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5 commits
| Author | SHA1 | Date | |
|---|---|---|---|
| 8faa5b0ed5 | |||
| 96805930ac | |||
| bcdd5e6059 | |||
| c5bd6a127e | |||
| c26b6cdb04 |
28 changed files with 721 additions and 3703 deletions
481
Cargo.lock
generated
481
Cargo.lock
generated
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@ -89,12 +89,78 @@ dependencies = [
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"windows-sys 0.52.0",
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]
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[[package]]
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"axum-core",
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"http",
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"http-body-util",
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"hyper",
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"itoa",
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"matchit",
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"mime",
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"pin-project-lite",
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"http",
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"http-body",
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"http-body-util",
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@ -110,18 +176,18 @@ dependencies = [
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"rustc-demangle",
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[[package]]
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@ -173,27 +239,12 @@ version = "2.5.0"
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[[package]]
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@ -330,12 +381,6 @@ version = "1.0.0"
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@ -358,25 +403,6 @@ version = "0.8.6"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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[[package]]
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"memchr",
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[[package]]
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[[package]]
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@ -422,17 +437,6 @@ dependencies = [
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"syn 1.0.109",
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[[package]]
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[[package]]
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@ -474,18 +478,9 @@ checksum = "658bd65b1cf4c852a3cc96f18a8ce7b5640f6b703f905c7d74532294c2a63984"
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"http",
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"http-body-util",
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"pem",
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"reqwest",
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"rsa",
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"tracing",
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"sigh",
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[[package]]
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@ -557,16 +552,6 @@ dependencies = [
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"pin-utils",
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]
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[[package]]
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name = "generic-array"
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[[package]]
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[[package]]
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name = "lazycell"
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"windows-targets 0.52.5",
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[[package]]
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"syn 2.0.60",
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"minimal-lexical",
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"vcpkg",
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"windows-targets 0.48.5",
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]
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[[package]]
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name = "pkcs8"
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[[package]]
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name = "pkg-config"
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"puppy",
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"tokio",
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]
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"derive_more",
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"either",
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"fetch",
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"serde_json",
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"store",
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"tracing",
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]
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[[package]]
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@ -1346,7 +1231,7 @@ version = "0.12.3"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "3e6cc1e89e689536eb5aeede61520e874df5a4707df811cd5da4aa5fbb2aae19"
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|
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"futures-core",
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@ -1370,7 +1255,7 @@ dependencies = [
|
|||
"serde",
|
||||
"serde_json",
|
||||
"serde_urlencoded",
|
||||
"sync_wrapper",
|
||||
"sync_wrapper 0.1.2",
|
||||
"system-configuration",
|
||||
"tokio",
|
||||
"tokio-native-tls",
|
||||
|
|
@ -1391,27 +1276,6 @@ dependencies = [
|
|||
"librocksdb-sys",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "rsa"
|
||||
version = "0.9.6"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "5d0e5124fcb30e76a7e79bfee683a2746db83784b86289f6251b54b7950a0dfc"
|
||||
dependencies = [
|
||||
"const-oid",
|
||||
"digest",
|
||||
"num-bigint-dig",
|
||||
"num-integer",
|
||||
"num-traits",
|
||||
"pkcs1",
|
||||
"pkcs8",
|
||||
"rand_core",
|
||||
"sha2",
|
||||
"signature",
|
||||
"spki",
|
||||
"subtle",
|
||||
"zeroize",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "rustc-demangle"
|
||||
version = "0.1.23"
|
||||
|
|
@ -1452,7 +1316,7 @@ version = "2.1.2"
|
|||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "29993a25686778eb88d4189742cd713c9bce943bc54251a33509dc63cbacf73d"
|
||||
dependencies = [
|
||||
"base64",
|
||||
"base64 0.22.0",
|
||||
"rustls-pki-types",
|
||||
]
|
||||
|
||||
|
|
@ -1462,6 +1326,12 @@ version = "1.4.1"
|
|||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "ecd36cc4259e3e4514335c4a138c6b43171a8d61d8f5c9348f9fc7529416f247"
|
||||
|
||||
[[package]]
|
||||
name = "rustversion"
|
||||
version = "1.0.15"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "80af6f9131f277a45a3fba6ce8e2258037bb0477a67e610d3c1fe046ab31de47"
|
||||
|
||||
[[package]]
|
||||
name = "ryu"
|
||||
version = "1.0.17"
|
||||
|
|
@ -1543,6 +1413,16 @@ dependencies = [
|
|||
"serde",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "serde_path_to_error"
|
||||
version = "0.1.16"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "af99884400da37c88f5e9146b7f1fd0fbcae8f6eec4e9da38b67d05486f814a6"
|
||||
dependencies = [
|
||||
"itoa",
|
||||
"serde",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "serde_urlencoded"
|
||||
version = "0.7.1"
|
||||
|
|
@ -1559,37 +1439,9 @@ dependencies = [
|
|||
name = "server"
|
||||
version = "0.0.0"
|
||||
dependencies = [
|
||||
"derive_more",
|
||||
"http",
|
||||
"http-body-util",
|
||||
"hyper",
|
||||
"hyper-util",
|
||||
"axum",
|
||||
"puppy",
|
||||
"serde_json",
|
||||
"tokio",
|
||||
"tracing",
|
||||
"tracing-forest",
|
||||
"tracing-subscriber",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "sha2"
|
||||
version = "0.10.8"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "793db75ad2bcafc3ffa7c68b215fee268f537982cd901d132f89c6343f3a3dc8"
|
||||
dependencies = [
|
||||
"cfg-if",
|
||||
"cpufeatures",
|
||||
"digest",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "sharded-slab"
|
||||
version = "0.1.7"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "f40ca3c46823713e0d4209592e8d6e826aa57e928f09752619fc696c499637f6"
|
||||
dependencies = [
|
||||
"lazy_static",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
|
|
@ -1598,6 +1450,19 @@ version = "1.3.0"
|
|||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "0fda2ff0d084019ba4d7c6f371c95d8fd75ce3524c3cb8fb653a3023f6323e64"
|
||||
|
||||
[[package]]
|
||||
name = "sigh"
|
||||
version = "1.0.2"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "46bdb4cc44c46a3f0f0a6d1de27c63fccd7fa3384d8d370016c21c8f4a8b89a2"
|
||||
dependencies = [
|
||||
"base64 0.21.7",
|
||||
"http",
|
||||
"nom",
|
||||
"openssl",
|
||||
"thiserror",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "signal-hook-registry"
|
||||
version = "1.4.1"
|
||||
|
|
@ -1607,16 +1472,6 @@ dependencies = [
|
|||
"libc",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "signature"
|
||||
version = "2.2.0"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "77549399552de45a898a580c1b41d445bf730df867cc44e6c0233bbc4b8329de"
|
||||
dependencies = [
|
||||
"digest",
|
||||
"rand_core",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "slab"
|
||||
version = "0.4.9"
|
||||
|
|
@ -1642,22 +1497,6 @@ dependencies = [
|
|||
"windows-sys 0.52.0",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "spin"
|
||||
version = "0.5.2"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "6e63cff320ae2c57904679ba7cb63280a3dc4613885beafb148ee7bf9aa9042d"
|
||||
|
||||
[[package]]
|
||||
name = "spki"
|
||||
version = "0.7.3"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "d91ed6c858b01f942cd56b37a94b3e0a1798290327d1236e4d9cf4eaca44d29d"
|
||||
dependencies = [
|
||||
"base64ct",
|
||||
"der",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "store"
|
||||
version = "0.0.0"
|
||||
|
|
@ -1678,12 +1517,6 @@ version = "0.11.1"
|
|||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "7da8b5736845d9f2fcb837ea5d9e2628564b3b043a70948a3f0b778838c5fb4f"
|
||||
|
||||
[[package]]
|
||||
name = "subtle"
|
||||
version = "2.5.0"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "81cdd64d312baedb58e21336b31bc043b77e01cc99033ce76ef539f78e965ebc"
|
||||
|
||||
[[package]]
|
||||
name = "syn"
|
||||
version = "1.0.109"
|
||||
|
|
@ -1712,6 +1545,12 @@ version = "0.1.2"
|
|||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "2047c6ded9c721764247e62cd3b03c09ffc529b2ba5b10ec482ae507a4a70160"
|
||||
|
||||
[[package]]
|
||||
name = "sync_wrapper"
|
||||
version = "1.0.1"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "a7065abeca94b6a8a577f9bd45aa0867a2238b74e8eb67cf10d492bc39351394"
|
||||
|
||||
[[package]]
|
||||
name = "system-configuration"
|
||||
version = "0.5.1"
|
||||
|
|
@ -1774,16 +1613,6 @@ dependencies = [
|
|||
"syn 2.0.60",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "thread_local"
|
||||
version = "1.1.8"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "8b9ef9bad013ada3808854ceac7b46812a6465ba368859a37e2100283d2d719c"
|
||||
dependencies = [
|
||||
"cfg-if",
|
||||
"once_cell",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "tinyvec"
|
||||
version = "1.6.0"
|
||||
|
|
@ -1889,21 +1718,9 @@ checksum = "c3523ab5a71916ccf420eebdf5521fcef02141234bbc0b8a49f2fdc4544364ef"
|
|||
dependencies = [
|
||||
"log",
|
||||
"pin-project-lite",
|
||||
"tracing-attributes",
|
||||
"tracing-core",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "tracing-attributes"
|
||||
version = "0.1.27"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "34704c8d6ebcbc939824180af020566b01a7c01f80641264eba0999f6c2b6be7"
|
||||
dependencies = [
|
||||
"proc-macro2",
|
||||
"quote",
|
||||
"syn 2.0.60",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "tracing-core"
|
||||
version = "0.1.32"
|
||||
|
|
@ -1911,44 +1728,6 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
|
|||
checksum = "c06d3da6113f116aaee68e4d601191614c9053067f9ab7f6edbcb161237daa54"
|
||||
dependencies = [
|
||||
"once_cell",
|
||||
"valuable",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "tracing-forest"
|
||||
version = "0.1.6"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "ee40835db14ddd1e3ba414292272eddde9dad04d3d4b65509656414d1c42592f"
|
||||
dependencies = [
|
||||
"smallvec",
|
||||
"thiserror",
|
||||
"tracing",
|
||||
"tracing-subscriber",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "tracing-log"
|
||||
version = "0.2.0"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "ee855f1f400bd0e5c02d150ae5de3840039a3f54b025156404e34c23c03f47c3"
|
||||
dependencies = [
|
||||
"log",
|
||||
"once_cell",
|
||||
"tracing-core",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "tracing-subscriber"
|
||||
version = "0.3.18"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "ad0f048c97dbd9faa9b7df56362b8ebcaa52adb06b498c050d2f4e32f90a7a8b"
|
||||
dependencies = [
|
||||
"nu-ansi-term",
|
||||
"sharded-slab",
|
||||
"smallvec",
|
||||
"thread_local",
|
||||
"tracing-core",
|
||||
"tracing-log",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
|
|
@ -1957,12 +1736,6 @@ version = "0.2.5"
|
|||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "e421abadd41a4225275504ea4d6566923418b7f05506fbc9c0fe86ba7396114b"
|
||||
|
||||
[[package]]
|
||||
name = "typenum"
|
||||
version = "1.17.0"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "42ff0bf0c66b8238c6f3b578df37d0b7848e55df8577b3f74f92a69acceeb825"
|
||||
|
||||
[[package]]
|
||||
name = "ulid"
|
||||
version = "1.1.2"
|
||||
|
|
@ -2018,24 +1791,12 @@ version = "0.2.1"
|
|||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "711b9620af191e0cdc7468a8d14e709c3dcdb115b36f838e601583af800a370a"
|
||||
|
||||
[[package]]
|
||||
name = "valuable"
|
||||
version = "0.1.0"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "830b7e5d4d90034032940e4ace0d9a9a057e7a45cd94e6c007832e39edb82f6d"
|
||||
|
||||
[[package]]
|
||||
name = "vcpkg"
|
||||
version = "0.2.15"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "accd4ea62f7bb7a82fe23066fb0957d48ef677f6eeb8215f372f52e48bb32426"
|
||||
|
||||
[[package]]
|
||||
name = "version_check"
|
||||
version = "0.9.4"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "49874b5167b65d7193b8aba1567f5c7d93d001cafc34600cee003eda787e483f"
|
||||
|
||||
[[package]]
|
||||
name = "virtue"
|
||||
version = "0.0.13"
|
||||
|
|
@ -2332,12 +2093,6 @@ dependencies = [
|
|||
"windows-sys 0.48.0",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "zeroize"
|
||||
version = "1.7.0"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "525b4ec142c6b68a2d10f01f7bbf6755599ca3f81ea53b8431b7dd348f5fdb2d"
|
||||
|
||||
[[package]]
|
||||
name = "zstd-sys"
|
||||
version = "2.0.10+zstd.1.5.6"
|
||||
|
|
|
|||
|
|
@ -6,4 +6,3 @@ edition = "2021"
|
|||
puppy = { path = "../../lib/puppy" }
|
||||
clap = { version = "*", features = ["derive"] }
|
||||
cli-table = "*"
|
||||
tokio = { version = "*", features = ["full"] }
|
||||
|
|
|
|||
|
|
@ -1,115 +1,83 @@
|
|||
//! Control program for the ActivityPub federated social media server.
|
||||
#![feature(iterator_try_collect)]
|
||||
|
||||
use puppy::{
|
||||
actor::Actor,
|
||||
config::Config,
|
||||
data::{FollowRequest, Object, Profile},
|
||||
model::{schema, Bite, FollowRequest, Follows, Profile, Username},
|
||||
post::Author,
|
||||
Context,
|
||||
store::{self, Error},
|
||||
Key, Store,
|
||||
};
|
||||
|
||||
#[tokio::main]
|
||||
async fn main() -> puppy::Result<()> {
|
||||
// puppy::store::Store::nuke(".state")?;
|
||||
let config = Config {
|
||||
ap_domain: "test.piss-on.me".to_string(),
|
||||
wf_domain: "test.piss-on.me".to_string(),
|
||||
state_dir: ".state".to_string(),
|
||||
port: 1312,
|
||||
};
|
||||
let cx = Context::load(config)?;
|
||||
let riley = get_or_create_actor(&cx, "riley")?;
|
||||
cx.run(|tx| {
|
||||
println!("\nRiley's following:");
|
||||
for FollowRequest { id, origin, .. } in
|
||||
riley.pending_requests(&tx).try_collect::<Vec<_>>()?
|
||||
{
|
||||
let Profile { account_name, .. } = tx.get_mixin(origin)?.unwrap();
|
||||
let Object { id, .. } = tx.get_mixin(id)?.unwrap();
|
||||
println!("- @{account_name} ({origin}) (request url = {id})");
|
||||
fn main() -> store::Result<()> {
|
||||
// Store::nuke(".state")?;
|
||||
let db = Store::open(".state", schema())?;
|
||||
println!("creating actors");
|
||||
let riley = get_or_create_actor(&db, "riley")?;
|
||||
let linen = get_or_create_actor(&db, "linen")?;
|
||||
if true {
|
||||
println!("creating posts");
|
||||
puppy::post::create_post(&db, riley, "@linen <3")?;
|
||||
puppy::post::create_post(&db, linen, "@riley <3")?;
|
||||
}
|
||||
|
||||
if true {
|
||||
println!("making riley follow linen");
|
||||
if !db.exists::<Follows>(riley, linen)? {
|
||||
println!("follow relation does not exist yet");
|
||||
if !db.exists::<FollowRequest>(riley, linen)? {
|
||||
println!("no pending follow request; creating");
|
||||
puppy::follows::request(&db, riley, linen)?;
|
||||
} else {
|
||||
println!("accepting the pending follow request");
|
||||
puppy::follows::accept(&db, riley, linen)?;
|
||||
}
|
||||
} else {
|
||||
println!("riley already follows linen");
|
||||
}
|
||||
Ok(())
|
||||
})?;
|
||||
// let post = puppy::post::create_post(&cx, riley.key, "i like boys")?;
|
||||
// puppy::post::federate_post(&cx, post).await
|
||||
|
||||
// let linen = get_or_create_actor(&cx, "linen")?;
|
||||
// if true {
|
||||
// println!("creating posts");
|
||||
// puppy::post::create_post(&cx, riley.key, "@linen <3")?;
|
||||
// puppy::post::create_post(&cx, linen.key, "@riley <3")?;
|
||||
// }
|
||||
|
||||
// if true {
|
||||
// println!("making riley follow linen");
|
||||
// cx.run(|tx| {
|
||||
// if !riley.follows(&tx, &linen)? {
|
||||
// println!("follow relation does not exist yet");
|
||||
// if let Some(req) = linen
|
||||
// .pending_requests(&tx)
|
||||
// .find_ok(|r| r.origin == riley.key)?
|
||||
// {
|
||||
// println!("accepting the pending follow request");
|
||||
// linen.do_accept_request(&cx, req)
|
||||
// } else {
|
||||
// println!("no pending follow request; creating");
|
||||
// riley.do_follow_request(&cx, &linen).map(|_| ())
|
||||
// }
|
||||
// } else {
|
||||
// println!("riley already follows linen");
|
||||
// Ok(())
|
||||
// }
|
||||
// })?;
|
||||
// }
|
||||
}
|
||||
|
||||
println!("\nPosts on the instance:");
|
||||
for post in puppy::post::fetch_timeline(cx.store(), .., None)?.posts() {
|
||||
for post in puppy::post::fetch_timeline(&db, .., None)?.posts() {
|
||||
let Author { ref handle, .. } = post.author;
|
||||
let content = post.content.content.as_ref().unwrap();
|
||||
println!("- {:?} by {handle}:\n{content}", post.id)
|
||||
println!("- {} by {handle}:\n{content}", post.id)
|
||||
}
|
||||
Ok(())
|
||||
|
||||
// cx.run(|tx| {
|
||||
// println!("\nLinen's followers:");
|
||||
// for id in linen.followers(&tx).try_collect::<Vec<_>>()? {
|
||||
// let Profile { account_name, .. } = db.get_mixin(id)?.unwrap();
|
||||
// println!("- @{account_name} ({id})");
|
||||
// }
|
||||
println!("\nLinen's followers:");
|
||||
for id in puppy::follows::followers_of(&db, linen)? {
|
||||
let Profile { account_name, .. } = db.get_mixin(id)?.unwrap();
|
||||
println!("- @{account_name} ({id})");
|
||||
}
|
||||
|
||||
// println!("\nRiley's following:");
|
||||
// for id in riley.following(&tx).try_collect::<Vec<_>>()? {
|
||||
// let Profile { account_name, .. } = db.get_mixin(id)?.unwrap();
|
||||
// println!("- @{account_name} ({id})");
|
||||
// }
|
||||
println!("\nRiley's following:");
|
||||
for id in puppy::follows::following_of(&db, riley)? {
|
||||
let Profile { account_name, .. } = db.get_mixin(id)?.unwrap();
|
||||
println!("- @{account_name} ({id})");
|
||||
}
|
||||
|
||||
// if false {
|
||||
// println!("Biting riley");
|
||||
// linen.do_bite(&cx, &riley)?;
|
||||
// for Bite { id, biter, .. } in riley.bites_suffered(&tx).try_collect::<Vec<_>>()? {
|
||||
// let Profile { account_name, .. } = db.get_mixin(biter)?.unwrap();
|
||||
// println!("riley was bitten by @{account_name} at {}", id.timestamp());
|
||||
// }
|
||||
// }
|
||||
// Ok(())
|
||||
// })
|
||||
if false {
|
||||
println!("Biting riley");
|
||||
puppy::bites::bite_actor(&db, linen, riley).unwrap();
|
||||
for Bite { id, biter, .. } in puppy::bites::bites_on(&db, riley).unwrap() {
|
||||
let Profile { account_name, .. } = db.get_mixin(biter)?.unwrap();
|
||||
println!("riley was bitten by @{account_name} at {}", id.timestamp());
|
||||
}
|
||||
}
|
||||
store::OK
|
||||
}
|
||||
|
||||
fn get_or_create_actor(cx: &Context, username: &str) -> puppy::Result<Actor> {
|
||||
let user = cx.run(|tx| Actor::by_username(tx, username))?;
|
||||
fn get_or_create_actor(db: &Store, username: &str) -> Result<Key, Error> {
|
||||
let user = db.lookup(Username(username.to_string()));
|
||||
match user {
|
||||
Some(key) => {
|
||||
println!("found '{username}' ({key:?})");
|
||||
Ok(Some(key)) => {
|
||||
println!("found '{username}' ({key})");
|
||||
Ok(key)
|
||||
}
|
||||
None => {
|
||||
Ok(None) => {
|
||||
println!("'{username}' doesn't exist yet, creating");
|
||||
let r = puppy::actor::create_local(cx, username);
|
||||
let r = puppy::create_actor(&db, username);
|
||||
if let Ok(ref key) = r {
|
||||
println!("created '{username}' with key {key:?}");
|
||||
println!("created '{username}' with key {key}");
|
||||
}
|
||||
r
|
||||
}
|
||||
Err(e) => Err(e),
|
||||
}
|
||||
}
|
||||
|
|
|
|||
|
|
@ -4,13 +4,5 @@ edition = "2021"
|
|||
|
||||
[dependencies]
|
||||
puppy = { path = "../../lib/puppy" }
|
||||
hyper = { version = "*", features = ["full"] }
|
||||
tokio = { version = "*", features = ["full"] }
|
||||
http-body-util = "*"
|
||||
hyper-util = { version = "*", features = ["full"] }
|
||||
serde_json = "*"
|
||||
http = "*"
|
||||
derive_more = "*"
|
||||
tracing = "*"
|
||||
tracing-subscriber = "*"
|
||||
tracing-forest = "*"
|
||||
axum = "*"
|
||||
|
|
|
|||
|
|
@ -1,310 +0,0 @@
|
|||
//! API endpoints and request handlers.
|
||||
|
||||
use std::convert::Infallible;
|
||||
use std::net::SocketAddr;
|
||||
use std::sync::Arc;
|
||||
|
||||
use http_body_util::{BodyExt as _, Full};
|
||||
use hyper::body::Bytes;
|
||||
use hyper::server::conn::http1;
|
||||
use hyper::service::service_fn;
|
||||
use hyper_util::rt::TokioIo;
|
||||
use hyper::Method;
|
||||
use puppy::Context;
|
||||
use serde_json::{json, Value};
|
||||
use tokio::net::TcpListener;
|
||||
use tracing::{error, info, info_span, trace_span, Instrument as _};
|
||||
|
||||
use crate::sig::{Signer, Verdict, Verifier, VERIFIER_MOUNT};
|
||||
|
||||
use self::error::Message;
|
||||
|
||||
// A simple macro for returning an error message.
|
||||
macro_rules! fuck {
|
||||
($code:literal: $($arg:tt)*) => {
|
||||
return Err(crate::api::error::Message {
|
||||
status: $code,
|
||||
error: format!($($arg)*),
|
||||
detail: None,
|
||||
})
|
||||
};
|
||||
}
|
||||
|
||||
// Makes a response.
|
||||
macro_rules! respond {
|
||||
($($arg:tt)*) => {
|
||||
crate::api::Resp {
|
||||
$($arg)*,
|
||||
.. crate::api::Resp::default()
|
||||
}.into()
|
||||
};
|
||||
}
|
||||
|
||||
/// Parameters for a response
|
||||
struct Resp<'s> {
|
||||
body: Option<&'s Value>,
|
||||
kind: &'s str,
|
||||
code: u16,
|
||||
}
|
||||
|
||||
impl<'s> Default for Resp<'s> {
|
||||
fn default() -> Self {
|
||||
Resp {
|
||||
body: None,
|
||||
kind: "application/json",
|
||||
code: 200,
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
impl<'a> From<Resp<'a>> for Response {
|
||||
fn from(Resp { body, kind, code }: Resp<'_>) -> Response {
|
||||
let resp = Response::<()>::builder()
|
||||
.status(code)
|
||||
.header("content-type", kind);
|
||||
resp.body(match body {
|
||||
Some(data) => Full::new(serde_json::to_vec(&data).unwrap().into()),
|
||||
None => Full::new(Bytes::default()),
|
||||
})
|
||||
.unwrap()
|
||||
}
|
||||
}
|
||||
|
||||
pub mod ap;
|
||||
pub mod wf;
|
||||
|
||||
type Request = hyper::Request<hyper::body::Incoming>;
|
||||
type Response<T = Full<Bytes>> = hyper::Response<T>;
|
||||
|
||||
/// Initialize the http server loop.
|
||||
pub async fn start(context: Context) -> Result<(), Box<dyn std::error::Error + Send + Sync>> {
|
||||
let addr = SocketAddr::from(([127, 0, 0, 1], context.config().port));
|
||||
|
||||
let listener = TcpListener::bind(addr).await?;
|
||||
let verifier = Arc::new(Verifier::load(context.config()));
|
||||
|
||||
loop {
|
||||
let (stream, _) = listener.accept().await?;
|
||||
let io = TokioIo::new(stream);
|
||||
|
||||
let cx = context.clone();
|
||||
let verifier = verifier.clone();
|
||||
|
||||
tokio::spawn(async move {
|
||||
let service = service_fn(|req| {
|
||||
let user_agent = req
|
||||
.headers()
|
||||
.get("user-agent")
|
||||
.and_then(|h| h.to_str().ok());
|
||||
let span = info_span!(
|
||||
"request",
|
||||
target = format!("{} {}", req.method().as_str(), req.uri().to_string()),
|
||||
"user-agent" = user_agent,
|
||||
);
|
||||
handle(req, &verifier, cx.clone()).instrument(span)
|
||||
});
|
||||
if let Err(err) = http1::Builder::new().serve_connection(io, service).await {
|
||||
error!("Error serving connection: {:?}", err);
|
||||
}
|
||||
});
|
||||
}
|
||||
}
|
||||
|
||||
// A parsed HTTP request for easy handling.
|
||||
struct Req<'a> {
|
||||
method: &'a Method,
|
||||
body: Bytes,
|
||||
// The content-types in the accept header
|
||||
accept: Vec<&'a str>,
|
||||
// URI bits
|
||||
params: Vec<(&'a str, &'a str)>,
|
||||
path: Vec<&'a str>,
|
||||
}
|
||||
|
||||
impl Req<'_> {
|
||||
/// Get the path segments (non-empty parts of the path string separated by the '/' character).
|
||||
fn path(&self) -> &[&str] {
|
||||
&self.path
|
||||
}
|
||||
/// Turn an HTTP request into a more simple form so we can process it more easily.
|
||||
fn simplify<'x>(r: &'x http::Request<Bytes>) -> Req<'x> {
|
||||
let path: Vec<&str> = r
|
||||
.uri()
|
||||
.path()
|
||||
.split('/')
|
||||
.filter(|s| !s.is_empty())
|
||||
.collect();
|
||||
let params: Vec<(&str, &str)> = r
|
||||
.uri()
|
||||
.query()
|
||||
.into_iter()
|
||||
.flat_map(|s| s.split('&'))
|
||||
.filter_map(|s| s.split_once('='))
|
||||
.collect();
|
||||
let accept = r
|
||||
.headers()
|
||||
.iter()
|
||||
.find_map(|(k, v)| (k == "accept").then_some(v))
|
||||
.and_then(|val| val.to_str().ok())
|
||||
.iter()
|
||||
.flat_map(|s| s.split(' '))
|
||||
.filter(|s| !s.is_empty())
|
||||
.collect();
|
||||
Req {
|
||||
method: r.method(),
|
||||
body: r.body().clone(),
|
||||
accept,
|
||||
params,
|
||||
path,
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
/// The request handler.
|
||||
async fn handle(req: Request, verifier: &Verifier, cx: Context) -> Result<Response, Infallible> {
|
||||
// We need to fetch the entire body of the request for signature validation, because that involves making
|
||||
// a digest of the request body in some cases.
|
||||
// TODO: defer loading the body until it is needed.
|
||||
let request = {
|
||||
let (req, body) = req.into_parts();
|
||||
let Ok(body) = body.collect().await.map(|b| b.to_bytes()) else {
|
||||
panic!("could not collect body!");
|
||||
};
|
||||
http::Request::from_parts(req, body)
|
||||
};
|
||||
|
||||
// Simplified representation of a request, so we can pattern match on it more easily in the dispatchers.
|
||||
let req = Req::simplify(&request);
|
||||
|
||||
// We'll use the path to pick where specifically to send the request.
|
||||
// Check request signature at the door. Even if it isn't needed for a particular endpoint, failing fast
|
||||
// with a clear error message will save anyone trying to get *their* signatures implementation a major
|
||||
// headache.
|
||||
let res = match verifier.verify(&request).await {
|
||||
// If the request was signed and the signature was accepted, they can access the protected endpoints.
|
||||
Verdict::Verified(sig) => dispatch_signed(cx, &verifier, &req, sig).await,
|
||||
// Unsigned requests can see a smaller subset of endpoints, most notably the verification actor.
|
||||
Verdict::Unsigned => dispatch_public(cx, &verifier, &req).await,
|
||||
// If a signature was provided *but it turned out to be unverifiable*, show them the error message.
|
||||
Verdict::Rejected { reason, signature_str } => Err(Message {
|
||||
error: String::from("signature verification failed for request"),
|
||||
status: 403,
|
||||
detail: Some(json!({
|
||||
"signature": signature_str,
|
||||
"reason": reason,
|
||||
})),
|
||||
}),
|
||||
};
|
||||
|
||||
// If one of the endpoints gave us an error message, we convert that into a response and then
|
||||
// serve it to the client. In either case, we just serve a response.
|
||||
let response = res.unwrap_or_else(|msg| {
|
||||
info!("{}: {msg}", msg.status);
|
||||
req.error(msg)
|
||||
});
|
||||
|
||||
Ok(response)
|
||||
}
|
||||
|
||||
const POST: &Method = &Method::POST;
|
||||
const GET: &Method = &Method::GET;
|
||||
|
||||
/// Handle a signed and verified request.
|
||||
///
|
||||
/// This function is where all requests to a protected endpoint have to go through. If the request
|
||||
/// was signed but does not target a protected endpoint, this function will fall back to the
|
||||
/// [`dispatch_public`] handler.
|
||||
#[tracing::instrument(level = "DEBUG", target = "router", skip_all)]
|
||||
async fn dispatch_signed(
|
||||
cx: Context,
|
||||
verifier: &Verifier,
|
||||
req: &Req<'_>,
|
||||
sig: Signer,
|
||||
) -> Result<Response, Message> {
|
||||
match (req.method, req.path()) {
|
||||
// Viewing ActivityPub objects requires a signed request, i.e. "authorized fetch".
|
||||
// The one exception for this is `/s/request-verifier`, which is where the request
|
||||
// verification actor lives.
|
||||
(GET, ["o", ulid]) => ap::serve_object(&cx, ulid),
|
||||
// POSTs to an actor's inbox need to be signed to prevent impersonation.
|
||||
(POST, ["o", ulid, "inbox"]) => ap::inbox(&cx, ulid, sig, &req.body).await,
|
||||
// Try the resources for which no signature is required as well.
|
||||
_ => dispatch_public(cx, verifier, req).await,
|
||||
}
|
||||
}
|
||||
|
||||
/// Dispatch `req` to an unprotected endpoint. If the requested path does not exist, the
|
||||
/// function will return a 404 response. If the path *does* exist, but the signature is not
|
||||
/// valid, they will also get a 404.
|
||||
#[tracing::instrument(level = "DEBUG", target = "router", skip_all)]
|
||||
async fn dispatch_public(
|
||||
cx: Context,
|
||||
verifier: &Verifier,
|
||||
req: &Req<'_>,
|
||||
) -> Result<Response, Message> {
|
||||
match (req.method, req.path()) {
|
||||
(GET, ["proxy"]) => ap::proxy(&cx, &req.params).await,
|
||||
(GET, ["outbox"]) => ap::outbox(&cx, &req.params).await,
|
||||
(GET, [".well-known", "webfinger"]) => wf::resolve(&cx, &req.params),
|
||||
// TODO: nicer solution for this
|
||||
(GET, VERIFIER_MOUNT) => Ok(ap::serve_verifier_actor(&verifier)),
|
||||
_ => fuck!(404: "not found"),
|
||||
}
|
||||
}
|
||||
|
||||
mod error {
|
||||
//! Pre-baked error responses.
|
||||
|
||||
use serde_json::{json, Value};
|
||||
use super::Response;
|
||||
|
||||
/// An error message shown to an end user of the API.
|
||||
#[derive(Debug)]
|
||||
pub struct Message {
|
||||
/// The main error message.
|
||||
pub error: String,
|
||||
/// Only shown if the `accept` header included json.
|
||||
pub detail: Option<Value>,
|
||||
/// The status code for the response.
|
||||
pub status: u16,
|
||||
}
|
||||
|
||||
impl std::fmt::Display for Message {
|
||||
fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
|
||||
self.error.fmt(f)
|
||||
}
|
||||
}
|
||||
|
||||
impl super::Req<'_> {
|
||||
/// Generate an error response for the request.
|
||||
pub fn error(&self, err: Message) -> Response {
|
||||
let resp = Response::<()>::builder().status(err.status);
|
||||
// If the accept header wants json, we will give them a nice structured error
|
||||
// message. Otherwise, we throw a short bit of text at them.
|
||||
if self.accepts_json() {
|
||||
let json = json!({
|
||||
"error": err.error,
|
||||
"details": err.detail,
|
||||
});
|
||||
let body = serde_json::to_vec_pretty(&json).unwrap();
|
||||
resp.header("content-type", "application/json")
|
||||
.body(body.try_into().unwrap())
|
||||
.unwrap()
|
||||
} else {
|
||||
resp.header("content-type", "text/plain")
|
||||
.body(err.error.try_into().unwrap())
|
||||
.unwrap()
|
||||
}
|
||||
}
|
||||
/// Check whether the requester wants json from us.
|
||||
pub fn accepts_json(&self) -> bool {
|
||||
fn is_json((k, v): (&str, &str)) -> bool {
|
||||
k == "application" && v.split('+').any(|p| p == "json")
|
||||
}
|
||||
self.accept
|
||||
.iter()
|
||||
.filter_map(|s| s.split_once('/'))
|
||||
.any(is_json)
|
||||
}
|
||||
}
|
||||
}
|
||||
|
|
@ -1,119 +0,0 @@
|
|||
//! ActivityPub handlers.
|
||||
|
||||
use http_body_util::Full;
|
||||
use hyper::body::Bytes;
|
||||
use puppy::{
|
||||
actor::{get_signing_key, Actor},
|
||||
fetch::object::Activity,
|
||||
get_local_ap_object, Context, Error, Key,
|
||||
};
|
||||
use serde_json::Value;
|
||||
use tracing::{info, instrument};
|
||||
|
||||
use crate::sig::{Signer, Verifier};
|
||||
use super::{error::Message, Response};
|
||||
|
||||
/// Proxy a request through the instance.
|
||||
pub async fn proxy(cx: &Context, params: &[(&str, &str)]) -> Result<Response, Message> {
|
||||
// Extract our query parameters.
|
||||
let Some(user) = params.iter().find_map(|(k, v)| (*k == "user").then_some(v)) else {
|
||||
fuck!(400: "expected `user` query param");
|
||||
};
|
||||
let Some(url) = params.iter().find_map(|(k, v)| (*k == "url").then_some(v)) else {
|
||||
fuck!(400: "expected `url` query param");
|
||||
};
|
||||
|
||||
// Look up the actor's key in the store (which is accessible through the puppy context).
|
||||
let Ok(signing_key) = cx.run(|tx| {
|
||||
let actor = Actor::by_username(&tx, user)?.unwrap();
|
||||
get_signing_key(tx, actor).map_err(Error::from)
|
||||
}) else {
|
||||
fuck!(500: "failed to get signing key");
|
||||
};
|
||||
|
||||
eprintln!("proxy: params: {params:?}");
|
||||
// Proxy the request through our fetcher.
|
||||
let resp = puppy::fetch::forward(&signing_key, url).await.unwrap();
|
||||
eprintln!("proxy: status = {}", resp.status());
|
||||
|
||||
// Convert the http-types request to a hyper request.
|
||||
Ok(resp.map(Bytes::from).map(Full::new).into())
|
||||
}
|
||||
|
||||
pub async fn outbox(cx: &Context, params: &[(&str, &str)]) -> Result<Response, Message> {
|
||||
// Extract our query parameters.
|
||||
let Some(user) = params.iter().find_map(|(k, v)| (*k == "user").then_some(v)) else {
|
||||
fuck!(400: "expected `user` query param");
|
||||
};
|
||||
let Some(content) = params
|
||||
.iter()
|
||||
.find_map(|(k, v)| (*k == "content").then_some(v))
|
||||
else {
|
||||
fuck!(400: "expected `url` query param");
|
||||
};
|
||||
|
||||
let Ok(Some(actor)) = cx.run(|tx| Actor::by_username(&tx, user)) else {
|
||||
fuck!(500: "failed actor by name {user}");
|
||||
};
|
||||
|
||||
let post = puppy::post::create_local_post(&cx, actor.key, content.to_string()).unwrap();
|
||||
puppy::post::federate_post(&cx, post).await.unwrap();
|
||||
Ok(respond! {
|
||||
code: 200
|
||||
})
|
||||
}
|
||||
|
||||
/// Handle POSTs to actor inboxes. Requires request signature.
|
||||
#[instrument(skip_all)]
|
||||
pub async fn inbox(
|
||||
cx: &Context,
|
||||
actor_id: &str,
|
||||
sig: Signer,
|
||||
body: &[u8],
|
||||
) -> Result<Response, Message> {
|
||||
let receiver = actor_id.parse::<Key>().unwrap();
|
||||
let json: Value = serde_json::from_slice(body).unwrap();
|
||||
let id = json["id"].to_string();
|
||||
|
||||
info! {
|
||||
inbox = receiver.to_string(),
|
||||
signature = sig.ap_id,
|
||||
"processing object '{id}'",
|
||||
};
|
||||
|
||||
match Activity::from_json(json) {
|
||||
Ok(activity) => {
|
||||
puppy::ingest(&cx, receiver, &activity).await.unwrap();
|
||||
match puppy::interpret(&cx, activity) {
|
||||
Ok(_) => Ok(respond!(code: 202)),
|
||||
Err(err) => fuck!(400: "error interpreting activity: {err}"),
|
||||
}
|
||||
}
|
||||
Err(err) => fuck!(400: "invalid payload: {err}"),
|
||||
}
|
||||
}
|
||||
|
||||
/// Serve an ActivityPub object as json-ld.
|
||||
pub fn serve_object(cx: &Context, object_ulid: &str) -> Result<Response, Message> {
|
||||
let Ok(parsed) = object_ulid.parse::<Key>() else {
|
||||
fuck!(400: "improperly formatted ulid");
|
||||
};
|
||||
|
||||
let result = cx.run(|tx| get_local_ap_object(&tx, parsed));
|
||||
let Ok(object) = result else {
|
||||
fuck!(404: "object does not exist");
|
||||
};
|
||||
|
||||
Ok(respond! {
|
||||
kind: "application/activity+json",
|
||||
body: Some(&object.to_json_ld())
|
||||
})
|
||||
}
|
||||
|
||||
/// Serve the special actor used for signing requests.
|
||||
pub fn serve_verifier_actor(verifier: &Verifier) -> Response {
|
||||
respond! {
|
||||
kind: "application/activity+json",
|
||||
body: Some(&verifier.to_json_ld())
|
||||
}
|
||||
}
|
||||
|
|
@ -1,72 +0,0 @@
|
|||
//! WebFinger endpoints and related stuff.
|
||||
|
||||
use puppy::{
|
||||
data::{Id, Username},
|
||||
Context,
|
||||
};
|
||||
use serde_json::{json, Value};
|
||||
use derive_more::Display;
|
||||
|
||||
use super::{error::Message, Response};
|
||||
|
||||
const WF_CONTENT_TYPE: (&str, &str) = ("content-type", "application/jrd+json");
|
||||
|
||||
/// Respond to a webfinger request.
|
||||
pub fn resolve(cx: &Context, params: &[(&str, &str)]) -> Result<Response, Message> {
|
||||
match params.iter().find_map(get_handle) {
|
||||
Some(handle) if cx.config().wf_domain == handle.instance => {
|
||||
let username = Username(handle.username.to_string());
|
||||
let Ok(Some(user)) = cx.store().lookup(username) else {
|
||||
fuck!(404: "no user {}@{} exists", handle.username, handle.instance);
|
||||
};
|
||||
let Ok(Some(Id(id))) = cx.store().get_alias(user) else {
|
||||
fuck!(500: "internal error");
|
||||
};
|
||||
let jrd = make_jrd(handle, &id);
|
||||
Ok(respond! {
|
||||
body: Some(&jrd),
|
||||
kind: "application/jrd+json"
|
||||
})
|
||||
}
|
||||
Some(_) | None => fuck!(400: "missing/invalid resource param"),
|
||||
}
|
||||
}
|
||||
|
||||
#[derive(Clone, Copy, Display)]
|
||||
#[display(fmt = "@{username}@{instance}")]
|
||||
pub struct Handle<'x> {
|
||||
username: &'x str,
|
||||
instance: &'x str,
|
||||
}
|
||||
|
||||
/// Parse the `resource` parameter into a [`Handle`].
|
||||
fn get_handle<'x>((k, v): &'x (&str, &str)) -> Option<Handle<'x>> {
|
||||
// We're looking for the `resource` query parameter.
|
||||
if *k == "resource" {
|
||||
// This prefix needs to exist according to spec.
|
||||
let (username, instance) = v
|
||||
.strip_prefix("acct:")?
|
||||
// Some implementations may prefix with `@`. its ok if it's there and its also ok
|
||||
// if its not there, so we use `trim_start_matches` instead of `strip_prefix`.
|
||||
.trim_start_matches('@')
|
||||
// Split on the middle `@` symbol, which separates the username and instance bits
|
||||
.split_once('@')?;
|
||||
Some(Handle { username, instance })
|
||||
} else {
|
||||
None
|
||||
}
|
||||
}
|
||||
|
||||
/// Construct a "JSON resource descriptor".
|
||||
fn make_jrd(handle: Handle<'_>, id: &str) -> Value {
|
||||
json!({
|
||||
"subject": format!("acct:{}@{}", handle.username, handle.instance),
|
||||
"links": [
|
||||
{
|
||||
"rel": "self",
|
||||
"type": "application/activity+json",
|
||||
"href": id
|
||||
},
|
||||
]
|
||||
})
|
||||
}
|
||||
|
|
@ -1,39 +1,8 @@
|
|||
//! The ActivityPuppy social media server.
|
||||
//!
|
||||
//! This crate contains the implementation of the ActivityPuppy's server binary. Also see the library,
|
||||
//! [`puppy`], and the other two major components: [`store`] for persistence and [`fetch`] for the
|
||||
//! federation implementation.
|
||||
//!
|
||||
//! [`store`]: puppy::store
|
||||
//! [`fetch`]: puppy::fetch
|
||||
#![feature(try_blocks, yeet_expr)]
|
||||
use axum::{routing::get, Router};
|
||||
|
||||
use puppy::{config::Config, Context};
|
||||
use tracing::Level;
|
||||
use tracing_forest::ForestLayer;
|
||||
use tracing_subscriber::{
|
||||
filter::filter_fn, layer::SubscriberExt as _, util::SubscriberInitExt as _, Registry,
|
||||
};
|
||||
|
||||
mod sig;
|
||||
mod api;
|
||||
|
||||
/// Starts up the whole shebang.
|
||||
#[tokio::main]
|
||||
async fn main() {
|
||||
Registry::default()
|
||||
.with(filter_fn(|meta| !meta.target().starts_with("reqwest")))
|
||||
.with(filter_fn(|meta| *meta.level() < Level::DEBUG))
|
||||
.with(ForestLayer::default())
|
||||
.init();
|
||||
// TODO: load the config from a file or something.
|
||||
let config = Config {
|
||||
ap_domain: "test.piss-on.me".to_string(),
|
||||
wf_domain: "test.piss-on.me".to_string(),
|
||||
state_dir: ".state".to_string(),
|
||||
port: 1312,
|
||||
};
|
||||
let context = Context::load(config).unwrap();
|
||||
// Start the web server
|
||||
api::start(context).await.unwrap();
|
||||
let app = Router::new().route("/", get(|| async { "Hello, World!" }));
|
||||
let sock = tokio::net::TcpListener::bind("0.0.0.0:1312").await.unwrap();
|
||||
axum::serve(sock, app).await.unwrap();
|
||||
}
|
||||
|
|
|
|||
|
|
@ -1,164 +0,0 @@
|
|||
//! Verification of HTTP signatures.
|
||||
|
||||
use http::Request;
|
||||
use puppy::config::Config;
|
||||
use puppy::fetch::{
|
||||
signatures::{Private, Public, Signature, SigningKey, VerificationKey, Key},
|
||||
FetchError,
|
||||
};
|
||||
use serde_json::{json, Value};
|
||||
use tracing::{debug, info, trace};
|
||||
|
||||
/// Checks request signatures.
|
||||
#[derive(Clone)]
|
||||
pub struct Verifier {
|
||||
actor_id: String,
|
||||
key_id: String,
|
||||
private: Private,
|
||||
public: Public,
|
||||
}
|
||||
|
||||
const VERIFIER_PATH: &str = "/s/request-verifier";
|
||||
/// The path at which the request verification actor will present itself.
|
||||
pub const VERIFIER_MOUNT: &[&str] = &["s", "request-verifier"];
|
||||
|
||||
/// A "verdict" about a signed request, passed by a [`Verifier`].
|
||||
#[derive(Debug)]
|
||||
pub enum Verdict {
|
||||
/// The signature checks out.
|
||||
Verified(Signer),
|
||||
/// The signature does not contain a signature header. This may be intentional, or a client error.
|
||||
Unsigned,
|
||||
/// The signature failed to verify due to an error related to the signature itself.
|
||||
Rejected {
|
||||
signature_str: String,
|
||||
reason: String,
|
||||
},
|
||||
}
|
||||
|
||||
impl Verifier {
|
||||
/// Get the JSON-LD representation of the verifier actor.
|
||||
pub fn to_json_ld(&self) -> Value {
|
||||
json!({
|
||||
"@context": [
|
||||
"https://www.w3.org/ns/activitystreams",
|
||||
"https://w3id.org/security/v1",
|
||||
],
|
||||
"id": self.actor_id,
|
||||
"name": "Public key fetcher",
|
||||
"publicKey": {
|
||||
"id": self.key_id,
|
||||
"owner": self.actor_id,
|
||||
"publicKeyPem": self.public.encode_pem()
|
||||
},
|
||||
"type": "Service",
|
||||
})
|
||||
}
|
||||
/// Load the server's verifier actor.
|
||||
///
|
||||
/// Each server has one special actor for fetching public keys. Unlike all other objects,
|
||||
/// acquiring that actor's JSON-LD representation does not require a request signature.
|
||||
///
|
||||
/// It doesn't have any data in the data store. Due to its exceptional nature, we just put
|
||||
/// the private key in the [`state_dir`][Config::state_dir]. The very first time you load
|
||||
/// the verifier, it generates the required private keys.
|
||||
pub fn load(cfg: &Config) -> Verifier {
|
||||
let Config { ap_domain, state_dir, .. } = cfg;
|
||||
let key_path = format!("{state_dir}/fetcher.pem");
|
||||
// Read the private key from the state directory, or generate a new one if it couldn't
|
||||
// be read.
|
||||
let private = Private::load(&key_path).unwrap_or_else(|| {
|
||||
let (private, _) = Private::gen();
|
||||
private.save(key_path);
|
||||
private
|
||||
});
|
||||
Verifier {
|
||||
actor_id: format!("https://{ap_domain}{VERIFIER_PATH}"),
|
||||
key_id: format!("https://{ap_domain}{VERIFIER_PATH}#sig-key"),
|
||||
public: private.get_public(),
|
||||
private,
|
||||
}
|
||||
}
|
||||
/// Does the HTTP signature verification process, and returns a "proof" of the signature in the form
|
||||
/// of the [`Signer`], which contains information about who signed a particular request.
|
||||
#[tracing::instrument(level = "DEBUG", skip_all)]
|
||||
pub async fn verify<B>(&self, req: &Request<B>) -> Verdict {
|
||||
// TODO: implement the whole verification thing as a middleware so we can intercept requests
|
||||
// like these, instead of coupling this tightly with the router.
|
||||
if req.uri().path() == VERIFIER_PATH {
|
||||
// HACK: Allow access to the request verifier actor without checking the signature.
|
||||
debug!("allowing request to verifier to pass without checking signature");
|
||||
return Verdict::Unsigned;
|
||||
}
|
||||
|
||||
let Some(header) = req.headers().get("signature") else {
|
||||
debug!("request not signed");
|
||||
return Verdict::Unsigned;
|
||||
};
|
||||
|
||||
let signature_str = header
|
||||
.to_str()
|
||||
.expect("signature header value should be valid ascii")
|
||||
.to_string();
|
||||
|
||||
let sig = match Signature::derive(&req).map_err(|e| e.to_string()) {
|
||||
Err(reason) => {
|
||||
info!(reason, signature_str, "invalid signature");
|
||||
return Verdict::Rejected { signature_str, reason };
|
||||
}
|
||||
Ok(signature) => {
|
||||
trace!("signature parsed");
|
||||
signature
|
||||
}
|
||||
};
|
||||
|
||||
// Fetch the signer's public key using our private key.
|
||||
let fetch_result = self.fetch_public_key(sig.key_id()).await;
|
||||
let public_key = match fetch_result {
|
||||
Ok(public_key) => public_key,
|
||||
Err(err) => {
|
||||
info!(reason = err.to_string(), "failed to fetch pubkey");
|
||||
return Verdict::Rejected {
|
||||
reason: format!("could not fetch public key: {err}"),
|
||||
signature_str,
|
||||
};
|
||||
}
|
||||
};
|
||||
|
||||
// TODO: verify digest also
|
||||
if let Err(error) = public_key.verify(&sig) {
|
||||
info!(reason = error, "rejected");
|
||||
Verdict::Rejected { signature_str, reason: error }
|
||||
} else {
|
||||
debug!(key_owner = public_key.owner, "accepted");
|
||||
Verdict::Verified(Signer { ap_id: public_key.owner })
|
||||
}
|
||||
}
|
||||
/// Send a request to get the public key from an ID. This request will be signed with the
|
||||
/// verifier actor's public key.
|
||||
#[tracing::instrument(level = "TRACE", skip_all)]
|
||||
async fn fetch_public_key(&self, uri: &str) -> Result<VerificationKey, FetchError> {
|
||||
let json = puppy::fetch::resolve(&self.signing_key(), uri).await?;
|
||||
let Some(key) = Key::from_json(json) else {
|
||||
return Err(FetchError::BadJson(
|
||||
"invalid public key structure".to_string(),
|
||||
));
|
||||
};
|
||||
Ok(key.upgrade())
|
||||
}
|
||||
/// Get the key that the verification actor signs requests with.
|
||||
fn signing_key(&self) -> SigningKey {
|
||||
Key {
|
||||
id: self.key_id.clone(),
|
||||
owner: self.actor_id.clone(),
|
||||
inner: self.private.clone(),
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
/// An ActivityPub actor that signed a request.
|
||||
#[derive(Debug)]
|
||||
pub struct Signer {
|
||||
/// The ActivityPub ID (a URL) of the signer of the request.
|
||||
pub ap_id: String,
|
||||
}
|
||||
|
|
@ -6,15 +6,6 @@ edition = "2021"
|
|||
path = "src/lib.rs"
|
||||
|
||||
[dependencies]
|
||||
reqwest = { version = "*", features = ["json"] }
|
||||
serde_json = "*"
|
||||
derive_more = "*"
|
||||
http = "*"
|
||||
chrono = "*"
|
||||
base64 = "*"
|
||||
rsa = { version = "*", features = ["sha2"] }
|
||||
spki = "*"
|
||||
http-body-util = "*"
|
||||
rand = "*"
|
||||
pem = "*"
|
||||
tracing = "*"
|
||||
reqwest = "*"
|
||||
sigh = "*"
|
||||
serde_json = "*"
|
||||
|
|
|
|||
|
|
@ -1,207 +0,0 @@
|
|||
use chrono::Utc;
|
||||
use http::Method;
|
||||
use http_body_util::BodyExt as _;
|
||||
use reqwest::Body;
|
||||
use serde_json::{error, Value};
|
||||
use derive_more::Display;
|
||||
use tracing::{debug, error, info, instrument, warn};
|
||||
|
||||
use crate::{
|
||||
object::Activity,
|
||||
signatures::{SigningKey, Options},
|
||||
FetchError,
|
||||
};
|
||||
|
||||
/// The name of the server software, used for generating the user agent string.
|
||||
///
|
||||
/// See also [`VERSION`].
|
||||
pub const SOFTWARE: &str = "ActivityPuppy";
|
||||
/// The current version of the server software, which is incorporated into the user agent string
|
||||
/// for all outbound requests made by ActivityPuppy.
|
||||
pub const VERSION: &str = "0.0.1-dev";
|
||||
|
||||
/// Content-type/accept header for ActivityPub requests.
|
||||
pub const ACTIVITYPUB_TYPE: &str = "application/activity+json";
|
||||
|
||||
/// A client for sending ActivityPub and WebFinger requests with.
|
||||
#[derive(Clone)]
|
||||
pub struct Client {
|
||||
inner: reqwest::Client,
|
||||
}
|
||||
|
||||
impl Client {
|
||||
/// Constructs a new federation client.
|
||||
pub fn new() -> Client {
|
||||
Client { inner: reqwest::Client::new() }
|
||||
}
|
||||
/// Deliver an [`Activity`] to a particular `inbox`.
|
||||
///
|
||||
/// Note that in order for the request to be considered valid by most implementations, `key.owner`
|
||||
/// must equal `payload.actor`.
|
||||
#[instrument(target = "fetch.delivery", skip_all, fields(activity = payload.id, url = inbox, key = key.id))]
|
||||
pub async fn deliver(&self, key: &SigningKey, payload: &Activity, inbox: &str) {
|
||||
let system = Subsystem::Delivery;
|
||||
|
||||
let body = serde_json::to_string(&payload.to_json_ld()).unwrap();
|
||||
let mut req = system
|
||||
.new_request(inbox)
|
||||
.unwrap()
|
||||
.method(Method::POST)
|
||||
.header("content-type", ACTIVITYPUB_TYPE)
|
||||
.body(body)
|
||||
.unwrap();
|
||||
|
||||
key.sign_with_digest(Options::LEGACY, &mut req)
|
||||
.map_err(FetchError::Sig)
|
||||
.expect("signature generation to work")
|
||||
.commit(&mut req);
|
||||
|
||||
let request = req.map(Body::from).try_into().unwrap();
|
||||
self.inner.execute(request).await.unwrap();
|
||||
}
|
||||
/// A high-level function to resolve a single ActivityPub ID using a signed request.
|
||||
#[instrument(target = "fetch.resolver", skip_all, fields(url = url, key = key.id))]
|
||||
pub async fn resolve(&self, key: &SigningKey, url: &str) -> Result<Value, FetchError> {
|
||||
let system = Subsystem::Resolver;
|
||||
|
||||
let mut req = system
|
||||
.new_request(url)?
|
||||
.header("accept", ACTIVITYPUB_TYPE)
|
||||
.body(())
|
||||
.unwrap();
|
||||
|
||||
match key.sign(Options::LEGACY, &req) {
|
||||
Ok(signature) => signature.commit(&mut req),
|
||||
Err(error) => {
|
||||
// This shouldn't happen during normal operation
|
||||
warn!("failed to sign request: {error}");
|
||||
return Err(FetchError::Sig(error));
|
||||
}
|
||||
}
|
||||
|
||||
let request = req.map(|()| Body::default()).try_into()?;
|
||||
let response = self.inner.execute(request).await?;
|
||||
|
||||
if response.status().is_success() {
|
||||
debug!("resolution successful");
|
||||
response.json().await.map_err(From::from)
|
||||
} else {
|
||||
let status = response.status().as_u16();
|
||||
let body = response.text().await?;
|
||||
debug!(status, "resolution failed: {body}");
|
||||
Err(FetchError::NotSuccess {
|
||||
url: url.to_string(),
|
||||
status,
|
||||
body,
|
||||
})
|
||||
}
|
||||
}
|
||||
/// Forwards a request and returns the raw response, so that it can be analyzed for debugging.
|
||||
///
|
||||
/// It exists solely as a debugging tool!
|
||||
#[instrument(target = "fetch.devproxy", skip_all, fields(url, key = key.id))]
|
||||
pub async fn proxy(
|
||||
&self,
|
||||
key: &SigningKey,
|
||||
url: &str,
|
||||
) -> Result<http::Response<String>, FetchError> {
|
||||
let system = Subsystem::DevProxy;
|
||||
|
||||
let mut req = system
|
||||
.new_request(url)?
|
||||
.header("accept", ACTIVITYPUB_TYPE)
|
||||
.body(())
|
||||
.unwrap();
|
||||
|
||||
key.sign(Options::LEGACY, &req)
|
||||
.expect("signing error")
|
||||
.commit(&mut req);
|
||||
|
||||
let resp = self
|
||||
.inner
|
||||
.execute(req.map(|_| Body::default()).try_into().unwrap())
|
||||
.await?;
|
||||
|
||||
let http_resp: http::Response<reqwest::Body> = resp.into();
|
||||
let (res, body) = http_resp.into_parts();
|
||||
let body = body.collect().await.unwrap().to_bytes();
|
||||
let http_resp =
|
||||
http::Response::from_parts(res, String::from_utf8_lossy(body.as_ref()).into_owned());
|
||||
Ok(http_resp)
|
||||
}
|
||||
}
|
||||
|
||||
/// Identifies a specific subsystem that makes an outgoing request.
|
||||
///
|
||||
/// This allows us to precisely track each outgoing request, as well as generate a meaningful
|
||||
/// user-agent header. It is also used to generate a "base request".
|
||||
#[derive(Clone, Copy, Display)]
|
||||
enum Subsystem {
|
||||
/// The subsystem that dereferences ActivityPub URLs to JSON values.
|
||||
///
|
||||
/// In addition, the resolver is used for resolving webfinger handles to ActivityPub actors.
|
||||
#[display(fmt = "resolver")]
|
||||
Resolver,
|
||||
/// The subsystem responsible for delivering activities to inboxes.
|
||||
#[display(fmt = "delivery")]
|
||||
Delivery,
|
||||
/// For testing the resolver and signatures.
|
||||
#[display(fmt = "devproxy")]
|
||||
DevProxy,
|
||||
}
|
||||
|
||||
impl Subsystem {
|
||||
/// Get the user agent string for the subsystem.
|
||||
fn user_agent(&self) -> String {
|
||||
format!("{SOFTWARE}/{VERSION} [{}]", self.as_str())
|
||||
}
|
||||
/// Get a str representation of this subsystem.
|
||||
#[inline]
|
||||
const fn as_str(self) -> &'static str {
|
||||
match self {
|
||||
Subsystem::Resolver => "resolver",
|
||||
Subsystem::Delivery => "delivery",
|
||||
Subsystem::DevProxy => "devproxy",
|
||||
}
|
||||
}
|
||||
/// Construct a new request for this subsystem.
|
||||
///
|
||||
/// This will set the following headers, which are common to all requests made by the fetch
|
||||
/// system:
|
||||
///
|
||||
/// - `user-agent`, which depends on the particular subsystem in use
|
||||
/// - `date`, which is generated from the current time
|
||||
/// - `host`, which is derived from `target`
|
||||
///
|
||||
/// This function returns an error if the `target` is not a valid URI. It panics if the URI
|
||||
/// does not have a host specified.
|
||||
fn new_request(self, target: &str) -> Result<http::request::Builder, FetchError> {
|
||||
// Format our time like "Sun, 06 Nov 1994 08:49:37 GMT"
|
||||
const RFC_822: &str = "%a, %d %b %Y %H:%M:%S GMT";
|
||||
let date = Utc::now().format(RFC_822).to_string();
|
||||
|
||||
let uri = target
|
||||
.parse::<http::Uri>()
|
||||
.map_err(|e| FetchError::InvalidURI {
|
||||
url: target.to_string(),
|
||||
error: e.to_string(),
|
||||
})?;
|
||||
|
||||
let Some(host) = uri.host() else {
|
||||
// SECURITY: Refuse to resolve URLs to local resources using local keys.
|
||||
error!(target: "security", "refusing to resolve a relative URL: {target}");
|
||||
return Err(FetchError::InvalidURI {
|
||||
url: target.to_string(),
|
||||
error: "Relative URI".to_string(),
|
||||
});
|
||||
};
|
||||
|
||||
let req = http::Request::builder()
|
||||
.uri(target)
|
||||
.header("user-agent", self.user_agent())
|
||||
.header("date", date)
|
||||
.header("host", host);
|
||||
|
||||
Ok(req)
|
||||
}
|
||||
}
|
||||
|
|
@ -1,88 +0,0 @@
|
|||
#![feature(iter_intersperse, yeet_expr, iterator_try_collect, try_blocks)]
|
||||
use std::error::Error;
|
||||
|
||||
use derive_more::Display;
|
||||
use serde_json::Value;
|
||||
|
||||
use object::Activity;
|
||||
use signatures::SigningKey;
|
||||
|
||||
pub use http;
|
||||
|
||||
pub mod signatures;
|
||||
pub mod object;
|
||||
|
||||
pub use client::Client;
|
||||
mod client;
|
||||
|
||||
/// Deliver an activity to an inbox.
|
||||
pub async fn deliver(key: &SigningKey, activity: &Activity, inbox: &str) {
|
||||
Client::new().deliver(key, &activity, inbox).await
|
||||
}
|
||||
|
||||
/// Resolve an ActivityPub ID to a JSON value.
|
||||
///
|
||||
/// Note: This creates a new [`Client`] every time you call it, so if you're gonna call it more than just
|
||||
/// a couple of times, create a `Client` and call its inherent methods instead.
|
||||
pub async fn resolve(key: &SigningKey, target: &str) -> Result<Value, FetchError> {
|
||||
Client::new().resolve(key, target).await
|
||||
}
|
||||
|
||||
/// Proxy a GET request through this server.
|
||||
///
|
||||
/// Should only be used for manually testing stuff.
|
||||
pub async fn forward(key: &SigningKey, target: &str) -> Result<http::Response<String>, FetchError> {
|
||||
Client::new().proxy(key, target).await
|
||||
}
|
||||
|
||||
/// Errors that may occur during the execution of HTTP request routines.
|
||||
#[derive(Debug, Display)]
|
||||
pub enum FetchError {
|
||||
/// Some error internal to the request sending process occurred.
|
||||
#[display(fmt = "internal error: {error} (url={url:?})")]
|
||||
Internal { url: Option<String>, error: String },
|
||||
/// The URI was not valid and therefore the request could not be made.
|
||||
#[display(fmt = "invalid uri: {error} (url={url})")]
|
||||
InvalidURI { url: String, error: String },
|
||||
/// A non-success status code was encountered.
|
||||
#[display(fmt = "non-2xx status code: {status} (url={url})")]
|
||||
NotSuccess {
|
||||
status: u16,
|
||||
url: String,
|
||||
body: String,
|
||||
},
|
||||
/// The JSON body of a response could not be loaded. The string inside is the error
|
||||
/// message produced by the JSON deserializer.
|
||||
#[display(fmt = "deserialization error: {}", self.0)]
|
||||
BadJson(String),
|
||||
/// A JSON-LD document could not be deserialized because it does not conform to our expectations.
|
||||
#[display(fmt = "parsing error: {}", self.0)]
|
||||
BadObject(String),
|
||||
/// An error that occurred while generating a signature for a a request.
|
||||
#[display(fmt = "signing error: {}", self.0)]
|
||||
Sig(String),
|
||||
}
|
||||
|
||||
impl FetchError {
|
||||
/// Check whether the error is due to a 403 UNAUTHORIZED response status code.
|
||||
pub fn is_unauthorized(&self) -> bool {
|
||||
matches!(self, FetchError::NotSuccess { status: 403, .. })
|
||||
}
|
||||
/// Check whether the error is due to a 404 NOT FOUND response status code.
|
||||
pub fn is_not_found(&self) -> bool {
|
||||
matches!(self, FetchError::NotSuccess { status: 404, .. })
|
||||
}
|
||||
}
|
||||
|
||||
#[doc(hidden)]
|
||||
impl From<reqwest::Error> for FetchError {
|
||||
fn from(error: reqwest::Error) -> FetchError {
|
||||
match error.source().and_then(|e| e.downcast_ref()) {
|
||||
Some(e @ serde_json::Error { .. }) => FetchError::BadJson(e.to_string()),
|
||||
None => {
|
||||
let url = error.url().map(|u| u.to_string());
|
||||
FetchError::Internal { url, error: error.to_string() }
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
|
@ -1,222 +0,0 @@
|
|||
//! ActivityPub vocabulary as interpreted by ActivityPuppy.
|
||||
|
||||
use serde_json::{json, Value};
|
||||
use derive_more::From;
|
||||
|
||||
pub use crate::signatures::Key as PublicKey;
|
||||
|
||||
#[derive(Debug)]
|
||||
pub struct Activity<T = String> {
|
||||
pub id: String,
|
||||
pub actor: String,
|
||||
pub object: Box<Object>,
|
||||
pub kind: T,
|
||||
}
|
||||
|
||||
impl<K> Activity<K> {
|
||||
pub fn to_json_ld(&self) -> Value
|
||||
where
|
||||
K: ToString,
|
||||
{
|
||||
json!({
|
||||
"@context": [
|
||||
"https://www.w3.org/ns/activitystreams",
|
||||
{ "Bite": "https://ns.mia.jetzt/as#Bite" },
|
||||
],
|
||||
"id": self.id.to_string(),
|
||||
"actor": self.actor.to_string(),
|
||||
"object": self.object.to_json_ld(),
|
||||
"type": self.kind.to_string(),
|
||||
})
|
||||
}
|
||||
}
|
||||
impl Activity {
|
||||
pub fn from_json(mut json: Value) -> Result<Activity, String> {
|
||||
let Some(map) = json.as_object() else {
|
||||
do yeet "expected an object"
|
||||
};
|
||||
let Some(id) = map.get("id").and_then(|s| s.as_str()).map(str::to_owned) else {
|
||||
do yeet "missing `id` property"
|
||||
};
|
||||
let Some(actor) = map.get("actor").and_then(|s| s.as_str()).map(str::to_owned) else {
|
||||
do yeet format!("missing `actor` property for activity {id}")
|
||||
};
|
||||
let Some(kind) = map.get("type").and_then(|s| s.as_str()).map(str::to_owned) else {
|
||||
do yeet format!("missing `type` property for activity {id}")
|
||||
};
|
||||
// TODO: make this behave gracefully when we only get an ID.
|
||||
let Some(object) = json
|
||||
.get_mut("object")
|
||||
.map(Value::take)
|
||||
.map(Object::from_json)
|
||||
.transpose()?
|
||||
.map(Box::new)
|
||||
else {
|
||||
do yeet format!("missing or invalid `object` property for activity {id}")
|
||||
};
|
||||
Ok(Activity { id, actor, object, kind })
|
||||
}
|
||||
}
|
||||
|
||||
/// An actor is an entity capable of producing Takes.
|
||||
#[derive(Debug)]
|
||||
pub struct Actor {
|
||||
/// The URL pointing to this object.
|
||||
pub id: String,
|
||||
/// Where others should send activities.
|
||||
pub inbox: String,
|
||||
/// Note: this maps to the `preferredUsername` property.
|
||||
pub account_name: String,
|
||||
/// Note: this maps to the `name` property.
|
||||
pub display_name: Option<String>,
|
||||
/// Public counterpart to the signing key used to sign activities
|
||||
/// generated by the actor.
|
||||
pub public_key: PublicKey,
|
||||
}
|
||||
|
||||
impl Actor {
|
||||
pub fn to_json_ld(&self) -> Value {
|
||||
json!({
|
||||
"@context": [
|
||||
"https://www.w3.org/ns/activitystreams",
|
||||
"https://w3id.org/security/v1",
|
||||
],
|
||||
"id": self.id.to_string(),
|
||||
"inbox": self.inbox.to_string(),
|
||||
"outbox": self.inbox.to_string().replace("inbox", "outbox"),
|
||||
"preferredUsername": self.account_name,
|
||||
"name": self.display_name,
|
||||
"type": "Person",
|
||||
"publicKey": {
|
||||
"id": self.public_key.id,
|
||||
"publicKeyPem": self.public_key.inner,
|
||||
"owner": self.id.to_string(),
|
||||
}
|
||||
})
|
||||
}
|
||||
pub fn from_json(json: Value) -> Result<Actor, String> {
|
||||
let Value::Object(map) = json else {
|
||||
do yeet format!("expected json object")
|
||||
};
|
||||
Ok(Actor {
|
||||
id: map
|
||||
.get("id")
|
||||
.ok_or("id is required")?
|
||||
.as_str()
|
||||
.ok_or("id must be a str")?
|
||||
.to_string(),
|
||||
inbox: map
|
||||
.get("inbox")
|
||||
.ok_or("inbox is required")?
|
||||
.as_str()
|
||||
.ok_or("inbox must be a str")?
|
||||
.to_string(),
|
||||
account_name: map
|
||||
.get("preferredUsername")
|
||||
.ok_or("preferredUsername is required")?
|
||||
.as_str()
|
||||
.ok_or("preferredUsername must be a str")?
|
||||
.to_string(),
|
||||
display_name: map.get("name").and_then(|v| v.as_str()).map(str::to_owned),
|
||||
public_key: map
|
||||
.get("publicKey")
|
||||
.cloned()
|
||||
.and_then(PublicKey::from_json)
|
||||
.ok_or("publicKey property could not be parsed")?,
|
||||
})
|
||||
}
|
||||
}
|
||||
|
||||
#[derive(From, Debug)]
|
||||
pub enum Object {
|
||||
#[from(ignore)]
|
||||
Id {
|
||||
id: String,
|
||||
},
|
||||
Activity(Activity),
|
||||
Actor(Actor),
|
||||
Note(Note),
|
||||
}
|
||||
|
||||
impl Object {
|
||||
pub fn id(&self) -> &str {
|
||||
match self {
|
||||
Object::Activity(a) => &a.id,
|
||||
Object::Actor(a) => &a.id,
|
||||
Object::Note(n) => &n.id,
|
||||
Object::Id { id } => id,
|
||||
}
|
||||
}
|
||||
pub fn from_json(json: Value) -> Result<Object, String> {
|
||||
if let Value::String(id) = json {
|
||||
Ok(Object::Id { id })
|
||||
} else if let Value::Object(ref map) = json {
|
||||
match map.get("type").and_then(Value::as_str) {
|
||||
Some("System" | "Application" | "Person" | "Service") => {
|
||||
Actor::from_json(json).map(Object::Actor)
|
||||
}
|
||||
Some("Create" | "Follow" | "Accept" | "Reject" | "Bite") => {
|
||||
Activity::from_json(json).map(Object::Activity)
|
||||
}
|
||||
Some(kind) => Ok(Object::Note(Note {
|
||||
id: map
|
||||
.get("id")
|
||||
.ok_or("id is required")?
|
||||
.as_str()
|
||||
.ok_or("id must be a str")?
|
||||
.to_string(),
|
||||
kind: kind.to_string(),
|
||||
author: map
|
||||
.get("attributedTo")
|
||||
.ok_or("attributedTo is required")?
|
||||
.as_str()
|
||||
.ok_or("attributedTo must be a str")?
|
||||
.to_string(),
|
||||
content: map
|
||||
.get("content")
|
||||
.and_then(|v| v.as_str())
|
||||
.map(str::to_owned),
|
||||
summary: map
|
||||
.get("summary")
|
||||
.and_then(|v| v.as_str())
|
||||
.map(str::to_owned),
|
||||
})),
|
||||
None => do yeet "could not determine type of object",
|
||||
}
|
||||
} else {
|
||||
Err(format!("expected a json object or an id, got {json:#?}"))
|
||||
}
|
||||
}
|
||||
pub fn to_json_ld(&self) -> Value {
|
||||
match self {
|
||||
Object::Id { id } => json!(id),
|
||||
Object::Activity(a) => a.to_json_ld(),
|
||||
Object::Actor(a) => a.to_json_ld(),
|
||||
Object::Note(Note {
|
||||
id,
|
||||
kind,
|
||||
content,
|
||||
summary,
|
||||
author,
|
||||
}) => json!({
|
||||
"to": [
|
||||
"https://www.w3.org/ns/activitystreams#Public",
|
||||
],
|
||||
"id": id.to_string(),
|
||||
"type": kind,
|
||||
"attributedTo": author,
|
||||
"content": content,
|
||||
"summary": summary,
|
||||
}),
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
#[derive(Debug)]
|
||||
pub struct Note {
|
||||
pub id: String,
|
||||
pub author: String,
|
||||
pub content: Option<String>,
|
||||
pub summary: Option<String>,
|
||||
pub kind: String,
|
||||
}
|
||||
|
|
@ -1,735 +0,0 @@
|
|||
//! Containment zone for the funny math that doesn't make much sense to puppy.
|
||||
//!
|
||||
//! This module provides ActivityPuppy's HTTP signatures implementation. The state of HTTP signatures implementations
|
||||
//! is, to put it mildly, *een fucking kutzooi*. For historical reasons, no one implements it *exactly* right (much
|
||||
//! like URI parsers). This implementation aims to be as broadly compatible as possible.
|
||||
//!
|
||||
//! The only non-deprecated [`Algorithm`] is [`"hs2019"`][HS2019], but not everyone implements it, because the initial
|
||||
//! round of implementations of the spec were based on a draft, and [`"rsa-sha256"`][RSA_SHA256] is kinda the de facto
|
||||
//! standard.
|
||||
//!
|
||||
//! # Behavior
|
||||
//!
|
||||
//! By default, puppy will sign with `algorithm="hs2019"` (using `(created)` and `(expires)` pseudo-headers), and retry
|
||||
//! in legacy mode (using `algorithm="rsa-sha256"` with `date` header) if the signature gets rejected.
|
||||
//!
|
||||
//! Currently, `"hs2019"` is treated as equivalent to `"rsa-sha256"` for verification purposes. Support for elliptic
|
||||
//! curve keys is planned, but not a priority.
|
||||
//!
|
||||
//! # Links
|
||||
//!
|
||||
//! More information about http signatures:
|
||||
//!
|
||||
//! - <https://swicg.github.io/activitypub-http-signature>
|
||||
//! - <https://datatracker.ietf.org/doc/html/draft-cavage-http-signatures>
|
||||
|
||||
use std::path::Path;
|
||||
|
||||
use chrono::{DateTime, TimeDelta, Utc};
|
||||
use http::{HeaderValue, Request};
|
||||
use rsa::{
|
||||
pkcs8::{
|
||||
DecodePrivateKey, DecodePublicKey, EncodePrivateKey as _, EncodePublicKey as _, LineEnding,
|
||||
},
|
||||
sha2::Sha256,
|
||||
signature::{SignatureEncoding as _, Signer as _, Verifier as _},
|
||||
RsaPrivateKey,
|
||||
};
|
||||
|
||||
use serde_json::{Map, Value};
|
||||
|
||||
use self::new::{decode, encode, sha256, IR};
|
||||
|
||||
/// Size of the RSA private keys puppy generates.
|
||||
const KEY_SIZE: usize = 2048;
|
||||
|
||||
/// A key that can be used to verify a request signature.
|
||||
pub type VerificationKey = Key<Public>;
|
||||
|
||||
/// A key that can be used to sign a request.
|
||||
pub type SigningKey = Key<Private>;
|
||||
|
||||
/// A key used for authorized fetch.
|
||||
///
|
||||
/// It comes in several flavors:
|
||||
///
|
||||
/// - `Key` (`K` = [`String`]): PEM-encoded, can be turned into a JSON object.
|
||||
/// - [`VerificationKey`] (`K` = [`Public`]): used as an input in the request signature validation process.
|
||||
/// - [`SigningKey`] (`K` = [`Private`]): used as an input in the generation of a signed request.
|
||||
#[derive(Debug)]
|
||||
pub struct Key<K = String> {
|
||||
/// The `"id"` property of the public key, which should equal the `keyId` part of a signature.
|
||||
pub id: String,
|
||||
/// The `"owner"` property.
|
||||
pub owner: String,
|
||||
/// Maps to the `"publicKeyPem"` property of an actor's `"publicKey"` when (de)serializing, and when the
|
||||
/// key is used for doing signatures.
|
||||
pub inner: K,
|
||||
}
|
||||
|
||||
impl Key {
|
||||
/// Tries to find the PEM-encoded public key from the result of fetching a key id.
|
||||
pub fn from_json(json: Value) -> Option<Key> {
|
||||
// First, we try the object itself.
|
||||
json.as_object().and_then(Key::from_map).or_else(|| {
|
||||
// Because of how mastodon deals with pubkey resolution, most implementations will serve the whole actor
|
||||
// object instead of just the key, so we try that first, because it is the de facto standard.
|
||||
json.get("publicKey")?.as_object().and_then(Key::from_map)
|
||||
})
|
||||
}
|
||||
/// Try to interpret the given map as a public key.
|
||||
fn from_map(map: &Map<String, Value>) -> Option<Key> {
|
||||
Some(Key {
|
||||
id: map.get("id")?.as_str().map(str::to_owned)?,
|
||||
owner: map.get("owner")?.as_str().map(str::to_owned)?,
|
||||
inner: map.get("publicKeyPem")?.as_str().map(str::to_owned)?,
|
||||
})
|
||||
}
|
||||
/// "Upgrade" a pem-encoded public key to a key that can actually be used for requests.
|
||||
///
|
||||
/// The inverse of this is [`Key::serialize`], which turns `inner` back into a string.
|
||||
///
|
||||
/// [`Key::serialize`]: Key::<Public>::serialize
|
||||
pub fn upgrade(self) -> Key<Public> {
|
||||
let inner = Public::decode_pem(&self.inner);
|
||||
Key {
|
||||
id: self.id,
|
||||
owner: self.owner,
|
||||
inner,
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
/// A key that can be used to generate signatures.
|
||||
#[derive(Clone)]
|
||||
pub struct Private(rsa::RsaPrivateKey);
|
||||
|
||||
impl Private {
|
||||
/// Generate a new keypair.
|
||||
pub fn gen() -> (Private, Public) {
|
||||
let mut rng = rand::thread_rng();
|
||||
let private = RsaPrivateKey::new(&mut rng, KEY_SIZE).unwrap();
|
||||
let public = private.to_public_key();
|
||||
(Private(private), Public(public))
|
||||
}
|
||||
/// Get the public counterpart to this key.
|
||||
pub fn get_public(&self) -> Public {
|
||||
Public(self.0.to_public_key())
|
||||
}
|
||||
/// Load a private key from a file on disk.
|
||||
pub fn load(path: impl AsRef<Path>) -> Option<Private> {
|
||||
use rsa::pkcs8::DecodePrivateKey;
|
||||
let path = path.as_ref();
|
||||
DecodePrivateKey::read_pkcs8_pem_file(path)
|
||||
.map(Private)
|
||||
.ok()
|
||||
}
|
||||
/// Store the private key at `path`.
|
||||
pub fn save(&self, path: impl AsRef<Path>) {
|
||||
use rsa::pkcs8::EncodePrivateKey;
|
||||
self.0
|
||||
.write_pkcs8_pem_file(path, LineEnding::default())
|
||||
.expect("writing a private key to a file should not fail")
|
||||
}
|
||||
/// PEM-encode the key PKCS#8 style.
|
||||
pub fn encode_pem(&self) -> String {
|
||||
self.0
|
||||
.to_pkcs8_pem(LineEnding::default())
|
||||
.unwrap()
|
||||
.to_string()
|
||||
}
|
||||
/// Decode the key from a PKCS#8 PEM-encoded string.
|
||||
pub fn decode_pem(pkcs8_pem: &str) -> Private {
|
||||
DecodePrivateKey::from_pkcs8_pem(&pkcs8_pem)
|
||||
.map(Private)
|
||||
.unwrap()
|
||||
}
|
||||
}
|
||||
|
||||
/// A key that can be used to verify signatures.
|
||||
#[derive(Clone)]
|
||||
pub struct Public(rsa::RsaPublicKey);
|
||||
|
||||
impl Public {
|
||||
/// PEM-encode the public key in accordance with PKCS#8.
|
||||
pub fn encode_pem(&self) -> String {
|
||||
self.0
|
||||
.to_public_key_pem(LineEnding::default())
|
||||
.unwrap()
|
||||
.to_string()
|
||||
}
|
||||
/// Decode a PKCS#8 PEM-encoded public key from a string.
|
||||
pub fn decode_pem(pkcs8_pem: &str) -> Public {
|
||||
let doc = pem::parse(pkcs8_pem).unwrap();
|
||||
<rsa::RsaPublicKey as DecodePublicKey>::from_public_key_der(doc.contents())
|
||||
.map(Public)
|
||||
.unwrap()
|
||||
}
|
||||
}
|
||||
|
||||
impl std::fmt::Debug for Public {
|
||||
fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
|
||||
self.encode_pem().fmt(f)
|
||||
}
|
||||
}
|
||||
|
||||
impl SigningKey {
|
||||
/// Create a signature for `req` using the given options.
|
||||
pub fn sign<T>(&self, opt: Options, req: &Request<T>) -> Result<Signature, String> {
|
||||
IR::partial(&req, opt, |ir| ir.signed(self)?.to_signature())
|
||||
}
|
||||
/// Create a signature for `req` using the given algorithm, and calculate and attach the `digest` header to
|
||||
/// the request (if it doesn't already have one).
|
||||
///
|
||||
/// This is required by most implementations when POSTing to an inbox.
|
||||
pub fn sign_with_digest<T>(
|
||||
&self,
|
||||
opt: Options,
|
||||
req: &mut Request<T>,
|
||||
) -> Result<Signature, String>
|
||||
where
|
||||
T: AsRef<[u8]>,
|
||||
{
|
||||
// Calculate and insert digest if it isn't there yet, otherwise do nothing.
|
||||
let digest = format!("sha-256={}", encode(sha256(req.body())));
|
||||
req.headers_mut()
|
||||
.entry("digest")
|
||||
.or_insert_with(|| digest.try_into().unwrap());
|
||||
self.sign(opt, req)
|
||||
}
|
||||
}
|
||||
|
||||
impl VerificationKey {
|
||||
/// Test the signature against three requirements:
|
||||
///
|
||||
/// 1. The signature must not be expired.
|
||||
/// 2. The signature's `keyId` must be the same as `self`'s.
|
||||
/// 3. The `signed_str` must have been signed by the private counterpart of `self`.
|
||||
pub fn verify(&self, sig: &Signature) -> Result<(), String> {
|
||||
if sig.is_expired_at(Utc::now()) {
|
||||
do yeet format!("Signature is expired: (deadline was {})", sig.expires());
|
||||
}
|
||||
if sig.key_id() != &self.id {
|
||||
do yeet format! {
|
||||
"Mismatched key id; signature's key id is '{}', while presented key has '{}'",
|
||||
sig.key_id(),
|
||||
self.id
|
||||
};
|
||||
}
|
||||
if !sig.was_signed_by(&self.inner)? {
|
||||
do yeet "Signature was not generated by the presented key's private counterpart";
|
||||
}
|
||||
Ok(())
|
||||
}
|
||||
/// Encode a verification key so that it can be presented in a json.
|
||||
pub fn serialize(self) -> Key {
|
||||
let public_key_pem = self.inner.encode_pem();
|
||||
Key {
|
||||
id: self.id,
|
||||
owner: self.owner,
|
||||
inner: public_key_pem,
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
/// The algorithm to sign with.
|
||||
///
|
||||
/// Your two options are:
|
||||
///
|
||||
/// - [`hs2019`][HS2019], the *correct* option
|
||||
/// - [`"rsa-sha256"`][RSA_SHA256], the most compatible option
|
||||
#[derive(PartialEq, Debug, Clone, Copy)]
|
||||
pub struct Algorithm(&'static str);
|
||||
|
||||
/// `hs2019`, the only non-deprecated HTTP signatures algorithm.
|
||||
pub const HS2019: Algorithm = Algorithm("hs2019");
|
||||
/// The HTTP signatures algorithm everyone uses, `rsa-sha256`.
|
||||
pub const RSA_SHA256: Algorithm = Algorithm("rsa-sha256");
|
||||
|
||||
/// A signature derived from an [`http::Request`].
|
||||
#[derive(Debug)]
|
||||
pub struct Signature {
|
||||
key_id: String,
|
||||
components: Vec<(String, String)>,
|
||||
time_range: (DateTime<Utc>, DateTime<Utc>),
|
||||
target_str: String,
|
||||
signed_str: String,
|
||||
signature: String,
|
||||
algorithm: Algorithm,
|
||||
}
|
||||
|
||||
impl Signature {
|
||||
/// Attempt to extract a signature from a request.
|
||||
pub fn derive<T>(req: &Request<T>) -> Result<Signature, String> {
|
||||
new::with_ir(req, Options::MODERN, |ir| ir.to_signature())
|
||||
}
|
||||
/// Obtain the key id for the signature.
|
||||
pub fn key_id(&self) -> &str {
|
||||
&self.key_id
|
||||
}
|
||||
/// Get the time the signature was created. This information is extracted from the `(created)`
|
||||
/// pseudo-header if it is defined, and the `date` http header otherwise.
|
||||
pub fn created(&self) -> DateTime<Utc> {
|
||||
self.time_range.0
|
||||
}
|
||||
/// If specified, get the `(expires)` header, otherwise get the creation time + the configured grace window.
|
||||
pub fn expires(&self) -> DateTime<Utc> {
|
||||
self.time_range.1
|
||||
}
|
||||
/// Retrieve the algorithm used for the signature.
|
||||
pub fn algorithm(&self) -> Algorithm {
|
||||
self.algorithm
|
||||
}
|
||||
/// Attach `self` to `req` as the `signature` header.
|
||||
pub fn commit<T>(self, req: &mut Request<T>) {
|
||||
req.headers_mut().insert("signature", self.make_header());
|
||||
}
|
||||
/// Determine whether `self` was signed by the private counterpart of `key`.
|
||||
pub fn was_signed_by(&self, key: &Public) -> Result<bool, String> {
|
||||
use rsa::pkcs1v15::{VerifyingKey, Signature};
|
||||
|
||||
let Public(inner) = key.clone();
|
||||
let key = VerifyingKey::<Sha256>::new(inner);
|
||||
|
||||
let raw_buf = decode(&self.signature)?;
|
||||
let Ok(sig) = Signature::try_from(raw_buf.as_slice()) else {
|
||||
do yeet "Failed to construct signature from decoded signature";
|
||||
};
|
||||
|
||||
key.verify(self.signed_str.as_bytes(), &sig)
|
||||
.map_err(|s| format!("{s:?}"))?;
|
||||
|
||||
Ok(true)
|
||||
}
|
||||
/// Check whether the given `time` falls within the window for valid signatures.
|
||||
pub fn is_expired_at(&self, time: DateTime<Utc>) -> bool {
|
||||
!(self.created()..self.expires()).contains(&time)
|
||||
}
|
||||
/// Turn the signature into an HTTP header value.
|
||||
fn make_header(self) -> HeaderValue {
|
||||
IR::<&str>::from_signature(&self)
|
||||
.to_header()
|
||||
.try_into()
|
||||
.unwrap()
|
||||
}
|
||||
}
|
||||
|
||||
/// `rsa-sha256` is created using an rsa key and a sha256 hash.
|
||||
fn sign_rsa_sha256(signing_string: &str, key: &Private) -> Result<Vec<u8>, String> {
|
||||
use rsa::pkcs1v15::SigningKey;
|
||||
let Private(rsa) = key.clone();
|
||||
let key = SigningKey::<Sha256>::new(rsa);
|
||||
let buf = key.sign(signing_string.as_bytes()).to_vec();
|
||||
Ok(buf)
|
||||
}
|
||||
|
||||
/// Maximum time difference between the creation time of the signature and the current time before the
|
||||
/// signature will be rejected. This is a measure to increase the difficulty of a replay attack.
|
||||
const EXPIRY_WINDOW: TimeDelta = TimeDelta::minutes(5);
|
||||
|
||||
/// Configuration for the behavior of the signing and verification routines.
|
||||
///
|
||||
/// This struct is non-exhaustive.
|
||||
#[derive(Clone, Copy)]
|
||||
pub struct Options {
|
||||
/// Whether to use the `(created)` and `(expires)`. If `false`, the `date` header is used instead.
|
||||
///
|
||||
/// Defaults to `true`.
|
||||
pub use_created: bool,
|
||||
/// Quirk for older mastodon versions, which don't incorporate the query string into the signing
|
||||
/// string during verification.
|
||||
///
|
||||
/// Defaults to `false`.
|
||||
pub strip_query: bool,
|
||||
/// For how long the signature is valid.
|
||||
///
|
||||
/// For signing, this only has an effect if `use_created` is also set. For verification, this is only
|
||||
/// used if the `(expires)` pseudo-header is not present.
|
||||
///
|
||||
/// Defaults to 5 minutes.
|
||||
pub expires_after: TimeDelta,
|
||||
/// Which signature algorithm to use.
|
||||
///
|
||||
/// Defaults to [`"hs2019"`][super::HS2019].
|
||||
pub algorithm: Algorithm,
|
||||
}
|
||||
|
||||
impl Options {
|
||||
/// Use hs2019 with the `(created)` pseudo-header.
|
||||
pub const MODERN: Options = Options {
|
||||
use_created: true,
|
||||
strip_query: false,
|
||||
expires_after: EXPIRY_WINDOW,
|
||||
algorithm: HS2019,
|
||||
};
|
||||
/// Use rsa-sha256 with the `date` header.
|
||||
pub const LEGACY: Options = Options {
|
||||
use_created: false,
|
||||
algorithm: RSA_SHA256,
|
||||
..Options::MODERN
|
||||
};
|
||||
}
|
||||
|
||||
impl Default for Options {
|
||||
fn default() -> Self {
|
||||
Options {
|
||||
use_created: true,
|
||||
strip_query: false,
|
||||
expires_after: EXPIRY_WINDOW,
|
||||
algorithm: HS2019,
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
mod new {
|
||||
use base64::prelude::*;
|
||||
use chrono::{DateTime, Utc};
|
||||
use http::{Method, Request};
|
||||
use rsa::sha2::{Digest, Sha256};
|
||||
|
||||
use super::{sign_rsa_sha256, Options, Signature, SigningKey, EXPIRY_WINDOW, HS2019, RSA_SHA256};
|
||||
|
||||
/// Calculate the SHA256 hash of something.
|
||||
pub fn sha256(buf: impl AsRef<[u8]>) -> Vec<u8> {
|
||||
<Sha256 as Digest>::digest(buf.as_ref()).to_vec()
|
||||
}
|
||||
|
||||
/// Base64-encode something.
|
||||
pub fn encode(buf: impl AsRef<[u8]>) -> String {
|
||||
BASE64_STANDARD.encode(buf.as_ref())
|
||||
}
|
||||
|
||||
/// Base64-decode something.
|
||||
pub fn decode(buf: &str) -> Result<Vec<u8>, String> {
|
||||
BASE64_STANDARD.decode(buf).map_err(|e| e.to_string())
|
||||
}
|
||||
|
||||
pub struct IR<'s, S = &'s str> {
|
||||
target: &'s str,
|
||||
inputs: Vec<(&'s str, &'s str)>,
|
||||
alg: &'s str,
|
||||
key: S,
|
||||
sig: S,
|
||||
}
|
||||
|
||||
/// Allocates a new [`IR`] for doing signature operations with.
|
||||
pub fn with_ir<T, U>(
|
||||
req: &Request<T>,
|
||||
opt: Options,
|
||||
f: impl FnOnce(IR<'_>) -> Result<U, String>,
|
||||
) -> Result<U, String> {
|
||||
let target = &format_target(&req, opt);
|
||||
let map = make_header_map(&req);
|
||||
let Some(header) = get(&map, "signature") else {
|
||||
do yeet "Missing required `signature` header";
|
||||
};
|
||||
let (inputs, key, alg, sig) = parse_header(header, &target, &map)?;
|
||||
f(IR { target, inputs, key, alg, sig })
|
||||
}
|
||||
|
||||
impl<S> IR<'_, S> {
|
||||
/// Create an HTTP header from the IR.
|
||||
pub fn to_header(&self) -> String
|
||||
where
|
||||
S: AsRef<str>,
|
||||
{
|
||||
format_header(&self.inputs, self.key.as_ref(), self.alg, self.sig.as_ref())
|
||||
}
|
||||
/// Validate and upgrade the IR to a structured signature.
|
||||
pub fn to_signature(&self) -> Result<Signature, String>
|
||||
where
|
||||
S: ToString,
|
||||
{
|
||||
let times: Result<_, String> = try {
|
||||
let date = get(&self.inputs, "date").map(from_rfc822).transpose()?;
|
||||
let created = get(&self.inputs, "(created)").map(from_secs).transpose()?;
|
||||
let expires = get(&self.inputs, "(expires)").map(from_secs).transpose()?;
|
||||
(date, created, expires)
|
||||
};
|
||||
let (date, created, expires) =
|
||||
times.map_err(|e: String| format!("Failed to parse time: {e}"))?;
|
||||
|
||||
let (created, expires) = match (created, expires) {
|
||||
(Some(created), None) => (created, created + EXPIRY_WINDOW),
|
||||
(Some(created), Some(expires)) => (created, expires),
|
||||
(None, _) => {
|
||||
let Some(date) = date else {
|
||||
do yeet "Cannot determine validity window";
|
||||
};
|
||||
(date, date + EXPIRY_WINDOW)
|
||||
}
|
||||
};
|
||||
|
||||
let algorithm = match self.alg {
|
||||
"rsa-sha256" => RSA_SHA256,
|
||||
"hs2019" => HS2019,
|
||||
a => do yeet format!("Unsupported algorithm {a}"),
|
||||
};
|
||||
let signed_str = make_signing_string(&self.inputs);
|
||||
let components = self
|
||||
.inputs
|
||||
.iter()
|
||||
.map(|(k, v)| (k.to_string(), v.to_string()))
|
||||
.collect();
|
||||
Ok(Signature {
|
||||
key_id: self.key.to_string(),
|
||||
signature: self.sig.to_string(),
|
||||
time_range: (created, expires),
|
||||
target_str: self.target.to_string(),
|
||||
components,
|
||||
signed_str,
|
||||
algorithm,
|
||||
})
|
||||
}
|
||||
/// Create an IR from a signature.
|
||||
pub fn from_signature<'s>(sig: &'s Signature) -> IR<'s> {
|
||||
IR {
|
||||
target: &sig.target_str,
|
||||
inputs: sig
|
||||
.components
|
||||
.iter()
|
||||
.map(|(a, b)| (a.as_str(), b.as_str()))
|
||||
.collect(),
|
||||
key: &sig.key_id,
|
||||
alg: sig.algorithm.0,
|
||||
sig: &sig.signature,
|
||||
}
|
||||
}
|
||||
/// Create a signing string.
|
||||
pub fn to_signing_str(&self) -> String {
|
||||
make_signing_string(&self.inputs)
|
||||
}
|
||||
}
|
||||
|
||||
impl<'s> IR<'s, ()> {
|
||||
/// Create a partial, unsigned IR.
|
||||
pub fn partial<'r, T, U>(
|
||||
req: &'r Request<T>,
|
||||
opt: Options,
|
||||
f: impl FnOnce(IR<'_, ()>) -> Result<U, String>,
|
||||
) -> Result<U, String> {
|
||||
let map = make_header_map(req);
|
||||
let digest = req.method() == Method::POST;
|
||||
|
||||
let expires_after = opt.use_created.then_some(opt.expires_after);
|
||||
let created = Utc::now();
|
||||
let expires = created + expires_after.unwrap_or(EXPIRY_WINDOW);
|
||||
|
||||
let target = &format_target(&req, opt);
|
||||
let created = created.timestamp().to_string();
|
||||
let expires = expires.timestamp().to_string();
|
||||
|
||||
// Association list mapping pseudo headers names to concrete values.
|
||||
#[rustfmt::skip]
|
||||
let pseudo = &[
|
||||
("(request-target)", target.as_str()),
|
||||
("(created)", created.as_str()),
|
||||
("(expired)", expires.as_str()),
|
||||
];
|
||||
|
||||
let inputs = match compute_inputs(&map, pseudo, opt, digest) {
|
||||
Err(error) => do yeet format!("computing inputs: {error}"),
|
||||
Ok(inputs) => inputs,
|
||||
};
|
||||
|
||||
f(IR {
|
||||
target,
|
||||
inputs,
|
||||
alg: opt.algorithm.0,
|
||||
key: (),
|
||||
sig: (),
|
||||
})
|
||||
}
|
||||
/// Sign a partially constructed IR to make it actually useful.
|
||||
pub fn signed(self, key: &'s SigningKey) -> Result<IR<'s, String>, String> {
|
||||
let sig_str = self.to_signing_str();
|
||||
let signature = match sign_rsa_sha256(&sig_str, &key.inner).map(encode) {
|
||||
Err(error) => do yeet format!("RSA error: {error}"),
|
||||
Ok(signature) => signature,
|
||||
};
|
||||
Ok(IR {
|
||||
target: self.target,
|
||||
inputs: self.inputs,
|
||||
alg: self.alg,
|
||||
key: key.id.to_string(),
|
||||
sig: signature,
|
||||
})
|
||||
}
|
||||
}
|
||||
|
||||
/// With the given options and headers, compute a set of headers and pseudo-headers that (in order) are to be
|
||||
/// turned into the signing string.
|
||||
fn compute_inputs<'a>(
|
||||
headers: &[(&'a str, &'a str)],
|
||||
pseudo: &[(&'a str, &'a str)],
|
||||
opt: Options,
|
||||
use_digest: bool,
|
||||
) -> Result<Vec<(&'a str, &'a str)>, String> {
|
||||
// List of input names that we want. Pseudo-headers are ordered before normal headers.
|
||||
let needed = ["(request-target)"]
|
||||
.into_iter()
|
||||
.chain(if opt.use_created {
|
||||
vec!["(created)", "(expired)"]
|
||||
} else {
|
||||
vec!["date"]
|
||||
})
|
||||
.chain(use_digest.then_some("digest"))
|
||||
.chain(["host"]);
|
||||
|
||||
let assoc = |k| {
|
||||
get(headers, k)
|
||||
.or_else(|| get(&pseudo, k))
|
||||
.ok_or_else(|| format!("Missing (pseudo)header `{k}`"))
|
||||
.map(|v| (k, v))
|
||||
};
|
||||
|
||||
needed.map(assoc).try_collect()
|
||||
}
|
||||
|
||||
/// Allocate a `(request-target)` buffer.
|
||||
fn format_target<T>(req: &Request<T>, opt: Options) -> String {
|
||||
let path = if opt.strip_query {
|
||||
req.uri().path()
|
||||
} else {
|
||||
req.uri()
|
||||
.path_and_query()
|
||||
.map(|r| r.as_str())
|
||||
.unwrap_or_else(|| req.uri().path())
|
||||
};
|
||||
let method = req.method().as_str().to_ascii_lowercase();
|
||||
format!("{method} {path}")
|
||||
}
|
||||
|
||||
fn format_header(inputs: &[(&str, &str)], key: &str, alg: &str, sig: &str) -> String {
|
||||
// Format all the headers in the order that we used them in the signing string.
|
||||
let headers: String = inputs
|
||||
.iter()
|
||||
.map(|(k, _)| k.as_ref())
|
||||
.intersperse(" ")
|
||||
.collect();
|
||||
|
||||
// Get the time-based parameters, if they exist.
|
||||
let created = get(inputs, "(created)").map(|v| ("created", v));
|
||||
let expires = get(inputs, "(expires)").map(|v| ("expires", v));
|
||||
|
||||
// These parameters are always produced.
|
||||
#[rustfmt::skip]
|
||||
let table = [
|
||||
("keyId", key),
|
||||
("algorithm", alg),
|
||||
("signature", sig),
|
||||
("headers", &headers),
|
||||
];
|
||||
|
||||
// Now we need to format the whole shebang.
|
||||
table
|
||||
.into_iter()
|
||||
// `(created)` is part of a newer draft that not everyone implements.
|
||||
.chain(created)
|
||||
// `(expires)` is optional per the spec
|
||||
.chain(expires)
|
||||
// Step 1: all the values need to be surrounded by quotes
|
||||
.map(|(k, v)| (k, format!(r#""{v}""#)))
|
||||
// Step 2. join each pair together
|
||||
.map(|(k, v)| format!("{k}={v}"))
|
||||
// Step 3. comma separate everything
|
||||
.intersperse(",".to_string())
|
||||
// Step 4. fold the entire thing into one
|
||||
.collect::<String>()
|
||||
}
|
||||
|
||||
fn parse_header<'s>(
|
||||
header: &'s str,
|
||||
target: &'s str,
|
||||
extra: &[(&'s str, &'s str)],
|
||||
) -> Result<(Vec<(&'s str, &'s str)>, &'s str, &'s str, &'s str), String> {
|
||||
// Parse the top-level table.
|
||||
let table: Vec<(&str, &str)> = header
|
||||
// Split into entries
|
||||
.split(",")
|
||||
// Split entries into key-value pairs
|
||||
.filter_map(|pair| {
|
||||
pair.trim_end_matches(' ') // QUIRK: akkoma does not put a space between entries
|
||||
.split_once('=')
|
||||
})
|
||||
// Undo quoting of the values
|
||||
.filter_map(|(k, v)| v.strip_prefix('"')?.strip_suffix('"').map(|v| (k, v)))
|
||||
.collect();
|
||||
|
||||
let Some(headers) = get(&table, "headers") else {
|
||||
do yeet "Missing `headers` field";
|
||||
};
|
||||
let Some(key) = get(&table, "keyId") else {
|
||||
do yeet "Missing `keyId` field";
|
||||
};
|
||||
let Some(algorithm) = get(&table, "algorithm") else {
|
||||
do yeet "Missing `algorithm` field";
|
||||
};
|
||||
let Some(signature) = get(&table, "signature") else {
|
||||
do yeet "Missing `signature` field"
|
||||
};
|
||||
|
||||
let inputs: Vec<(&str, &str)> = headers
|
||||
// Headers and pseudo-headers are separated by spaces in the order in which they appear.
|
||||
.split(' ')
|
||||
// Map created and expires pseudo-headers to the ones specified in the inputs table.
|
||||
.map(|k| match k {
|
||||
"(request-target)" => Ok(("(request-target)", target)),
|
||||
// If these exist, the table must have them, but other than that they're optional.
|
||||
"(created)" => get(&table, "created")
|
||||
.ok_or("`(created)` pseudo-header is listed, but does not exist".to_string())
|
||||
.map(|v| ("(created)", v)),
|
||||
"(expires)" => get(&table, "expires")
|
||||
.ok_or("`(expires)` pseudo-header is listed, but does not exist".to_string())
|
||||
.map(|v| ("(expires)", v)),
|
||||
// For anything else, we don't have the required information, and we'll need access
|
||||
// to the entire request in order to fill in the blanks.
|
||||
k => get(&extra, k)
|
||||
.ok_or(format!("header '{k}' is missing"))
|
||||
.map(|v| (k, v)),
|
||||
})
|
||||
.try_collect()?;
|
||||
|
||||
Ok((inputs, key, algorithm, signature))
|
||||
}
|
||||
|
||||
/// Make an association list associating header names to header values.
|
||||
///
|
||||
/// Allocates a new vector, but not any strings.
|
||||
fn make_header_map<'r, T>(req: &'r Request<T>) -> Vec<(&'r str, &'r str)> {
|
||||
req.headers()
|
||||
.iter()
|
||||
// Acquire string slices of every name-value pair.
|
||||
.filter_map(|(k, v)| v.to_str().ok().map(|v| (k.as_str(), v)))
|
||||
.collect()
|
||||
}
|
||||
|
||||
/// Quick utility function to get stuff from an association list.
|
||||
fn get<'x>(map: &[(&str, &'x str)], key: &str) -> Option<&'x str> {
|
||||
map.iter()
|
||||
.find_map(|(k, v)| k.eq_ignore_ascii_case(key).then_some(*v))
|
||||
}
|
||||
|
||||
fn make_signing_string(data: &[(&str, &str)]) -> String {
|
||||
data.iter()
|
||||
// Each pair is separated by a colon and a space
|
||||
.map(|(k, v)| format!("{k}: {v}"))
|
||||
// Pairs must be separated by a newline
|
||||
.intersperse("\n".to_string())
|
||||
.collect()
|
||||
}
|
||||
|
||||
fn from_secs(s: &str) -> Result<DateTime<Utc>, String> {
|
||||
s.parse::<i64>().map_err(|e| e.to_string()).and_then(|t| {
|
||||
let Some(time) = DateTime::from_timestamp(t, 0) else {
|
||||
do yeet "Timestamp out of range";
|
||||
};
|
||||
Ok(time)
|
||||
})
|
||||
}
|
||||
fn from_rfc822(s: &str) -> Result<DateTime<Utc>, String> {
|
||||
DateTime::parse_from_rfc2822(s)
|
||||
.map_err(|e| e.to_string())
|
||||
.map(|time| time.to_utc())
|
||||
}
|
||||
}
|
||||
|
|
@ -49,7 +49,7 @@ fn make_alias_impl(name: &syn::Ident, field: &syn::Field) -> TokenStream {
|
|||
})
|
||||
}
|
||||
|
||||
#[proc_macro_derive(Mixin, attributes(index))]
|
||||
#[proc_macro_derive(Mixin)]
|
||||
pub fn mixin(item: TokenStream) -> TokenStream {
|
||||
let input = syn::parse_macro_input!(item as syn::DeriveInput);
|
||||
|
||||
|
|
|
|||
|
|
@ -12,5 +12,3 @@ bincode = "2.0.0-rc.3"
|
|||
chrono = "*"
|
||||
either = "*"
|
||||
derive_more = "*"
|
||||
serde_json = "*"
|
||||
tracing = "*"
|
||||
|
|
|
|||
|
|
@ -1,54 +0,0 @@
|
|||
use fetch::Client;
|
||||
use store::{Key, Store, Transaction};
|
||||
|
||||
use crate::{config::Config, Result};
|
||||
|
||||
/// The context of a running ActivityPuppy.
|
||||
///
|
||||
/// This type provides access to the data store and configuration.
|
||||
#[derive(Clone)]
|
||||
pub struct Context {
|
||||
config: Config,
|
||||
client: Client,
|
||||
store: Store,
|
||||
}
|
||||
|
||||
impl Context {
|
||||
/// Load the server context from the configuration.
|
||||
pub fn load(config: Config) -> Result<Context> {
|
||||
let store = Store::open(&config.state_dir, crate::data::schema())?;
|
||||
let client = Client::new();
|
||||
Ok(Context { config, store, client })
|
||||
}
|
||||
/// Do a data store [transaction][store::Transaction].
|
||||
pub fn run<T>(&self, f: impl FnOnce(&Transaction<'_>) -> Result<T>) -> Result<T> {
|
||||
self.store.run(f)
|
||||
}
|
||||
/// Access the store directly.
|
||||
pub fn store(&self) -> &Store {
|
||||
&self.store
|
||||
}
|
||||
/// Access the configuration.
|
||||
pub fn config(&self) -> &Config {
|
||||
&self.config
|
||||
}
|
||||
/// Create an ActivityPub object ID from a key.
|
||||
pub fn mk_url(&self, key: Key) -> String {
|
||||
format!("https://{}/o/{key}", self.config.ap_domain)
|
||||
}
|
||||
/// Access the federation client.
|
||||
pub fn resolver(&self) -> &Client {
|
||||
&self.client
|
||||
}
|
||||
}
|
||||
|
||||
/// Load a context for running tests in.
|
||||
#[cfg(test)]
|
||||
pub fn test_context<T>(
|
||||
config: Config,
|
||||
schema: store::types::Schema,
|
||||
test: impl FnOnce(Context) -> Result<T>,
|
||||
) -> Result<T> {
|
||||
let client = Client::new();
|
||||
Store::test(schema, |store| test(Context { config, store, client }))
|
||||
}
|
||||
|
|
@ -1,215 +0,0 @@
|
|||
//! Datas for the data store!
|
||||
//!
|
||||
//! This module contains the definitions for the data store.
|
||||
|
||||
use bincode::{Decode, Encode};
|
||||
use derive_more::Display;
|
||||
use store::{types::Schema, Alias, Arrow, Key, Mixin};
|
||||
|
||||
/// *Bites you*
|
||||
#[derive(Arrow, Debug, PartialEq, Eq, Clone, Copy)]
|
||||
pub struct Bite {
|
||||
#[identity]
|
||||
pub id: Key,
|
||||
#[origin]
|
||||
pub biter: Key,
|
||||
#[target]
|
||||
pub victim: Key,
|
||||
}
|
||||
|
||||
/// Properties of ActivityPub objects.
|
||||
#[derive(Mixin, Encode, Decode, Debug, Clone)]
|
||||
pub struct Object {
|
||||
/// The ActivityPub id of the object.
|
||||
#[index]
|
||||
pub id: Id,
|
||||
/// What kind of object is it?
|
||||
pub kind: ObjectKind,
|
||||
/// Whether or not the object resides on this server or on another one.
|
||||
pub local: bool,
|
||||
}
|
||||
|
||||
/// Allows case analysis on the type of ActivityPub objects.
|
||||
#[derive(Encode, Decode, Debug, Clone)]
|
||||
pub enum ObjectKind {
|
||||
Actor,
|
||||
Activity(ActivityKind),
|
||||
Notelike(String),
|
||||
}
|
||||
|
||||
/// The type of an activity.
|
||||
#[derive(Encode, Decode, Debug, Clone)]
|
||||
pub enum ActivityKind {
|
||||
/// Used for posting stuff!
|
||||
Create = 0,
|
||||
/// Represents a follow request.
|
||||
Follow = 1,
|
||||
/// Used to signal that a follow request was accepted.
|
||||
Accept = 2,
|
||||
/// Used to reject a follow request.
|
||||
Reject = 3,
|
||||
/// See [`bites`](crate::bites).
|
||||
Bite = 4,
|
||||
}
|
||||
|
||||
#[derive(Mixin, Encode, Decode, Debug, Clone)]
|
||||
pub struct Channel {
|
||||
pub inbox: String,
|
||||
// TODO: add public key here
|
||||
}
|
||||
|
||||
/// A predicate; `follower` "follows" `followed`.
|
||||
#[derive(Arrow, Debug, PartialEq, Eq, Clone, Copy)]
|
||||
pub struct Follows {
|
||||
#[origin]
|
||||
pub follower: Key,
|
||||
#[target]
|
||||
pub followed: Key,
|
||||
}
|
||||
|
||||
/// An instance of a request from some `origin` user to follow a `target` user.
|
||||
///
|
||||
/// This should not be used to determine whether two actors are following each other. For that, use
|
||||
/// [`Follows`], a basic arrow for exactly this purpose. *This* arrow is used to identify specific
|
||||
/// instances of *requests*, and serves mostly as a historical reference and for synchronizing with
|
||||
/// other servers.
|
||||
///
|
||||
/// Used to represent a `Follow` activity.
|
||||
///
|
||||
/// Mixins always present for the `id`:
|
||||
///
|
||||
/// - [`Status`], carrying the status of the request.
|
||||
#[derive(Arrow, Debug, PartialEq, Eq, Clone, Copy)]
|
||||
pub struct FollowRequest {
|
||||
/// The unique ID of this particular request.
|
||||
#[identity]
|
||||
pub id: Key,
|
||||
/// The "follower", the user that made the request.
|
||||
pub origin: Key,
|
||||
/// The one the request is made to.
|
||||
pub target: Key,
|
||||
}
|
||||
|
||||
/// The status of a [`FollowRequest`].
|
||||
///
|
||||
/// Valid state transitions:
|
||||
///
|
||||
/// ```text
|
||||
/// ┌──────────────▶ Rejected
|
||||
/// │
|
||||
/// │
|
||||
/// │
|
||||
///
|
||||
/// None ─────────▶ Pending ────────▶ Accepted
|
||||
///
|
||||
/// │ │
|
||||
/// │ │
|
||||
/// │ │
|
||||
/// ▼ │
|
||||
/// Withdrawn ◀────────────┘
|
||||
/// ```
|
||||
///
|
||||
/// In addition, a follow request will be deleted if either endpoint is removed from the graph.
|
||||
#[derive(Mixin, Encode, Decode, Eq, PartialEq, Clone)]
|
||||
pub enum Status {
|
||||
/// The follow request was previously pending or accepted, but since withdrawn.
|
||||
///
|
||||
/// This can happen when someone cancels their follow request or unfollows the target.
|
||||
Withdrawn,
|
||||
/// The follow request was accepted.
|
||||
Accepted,
|
||||
/// The follow request was denied.
|
||||
Rejected,
|
||||
/// The follow request is still under review.
|
||||
Pending,
|
||||
}
|
||||
|
||||
/// An ActivityPub ID, used to look up remote objects by their canonical URL.
|
||||
#[derive(Alias, Encode, Decode, Clone, PartialEq, Eq, Debug, Hash, Display)]
|
||||
pub struct Id(pub String);
|
||||
|
||||
/// A "profile" in the social media sense.
|
||||
///
|
||||
/// Contains all presentation information about someone making posts.
|
||||
#[derive(Mixin, Encode, Decode, Debug, Clone)]
|
||||
pub struct Profile {
|
||||
/// How many posts has this user made?
|
||||
pub post_count: usize,
|
||||
/// The name used for the profile's handle.
|
||||
#[index] // <- currently doesnt do anything but i have an idea
|
||||
pub account_name: Username,
|
||||
/// The name displayed above their posts.
|
||||
pub display_name: Option<String>,
|
||||
/// The "bio", a freeform "about me" field.
|
||||
pub about_string: Option<String>,
|
||||
/// Arbitrary custom metadata fields.
|
||||
pub about_fields: Vec<(String, String)>,
|
||||
}
|
||||
|
||||
/// A unique name for an actor that is part of their "handle".
|
||||
#[derive(Alias, Encode, Decode, Clone, PartialEq, Eq, Debug, Hash, Display)]
|
||||
pub struct Username(pub String);
|
||||
|
||||
/// The relation that `author` has constructed and published `object`.
|
||||
#[derive(Arrow, Debug, PartialEq, Eq, Clone, Copy)]
|
||||
pub struct AuthorOf {
|
||||
#[origin]
|
||||
pub author: Key,
|
||||
#[target]
|
||||
pub object: Key,
|
||||
}
|
||||
|
||||
/// The contents of a post.
|
||||
#[derive(Mixin, Encode, Decode, Debug, Clone, Default)]
|
||||
pub struct Content {
|
||||
/// Main post body.
|
||||
pub content: Option<String>,
|
||||
/// Content warning for the post.
|
||||
pub warning: Option<String>,
|
||||
}
|
||||
|
||||
/// A public key used for verifying requests.
|
||||
#[derive(Mixin, Encode, Decode, Debug, Clone)]
|
||||
pub struct PublicKey {
|
||||
pub key_id: String,
|
||||
pub key_pem: String,
|
||||
}
|
||||
|
||||
/// A private key for signing requests with.
|
||||
#[derive(Mixin, Encode, Decode, Clone)]
|
||||
pub struct PrivateKey {
|
||||
pub key_pem: String,
|
||||
}
|
||||
|
||||
/// Represents a `Create` activity.
|
||||
#[derive(Arrow)]
|
||||
pub struct Create {
|
||||
#[identity]
|
||||
pub id: Key,
|
||||
#[origin]
|
||||
pub actor: Key,
|
||||
#[target]
|
||||
pub object: Key,
|
||||
}
|
||||
|
||||
/// Construct the schema.
|
||||
pub fn schema() -> Schema {
|
||||
Schema::new()
|
||||
// Mixins
|
||||
.has::<Profile>()
|
||||
.has::<Content>()
|
||||
.has::<Status>()
|
||||
.has::<Object>()
|
||||
.has::<Channel>()
|
||||
.has::<PrivateKey>()
|
||||
.has::<PublicKey>()
|
||||
// Aliases
|
||||
.has::<Username>()
|
||||
.has::<Id>()
|
||||
// Arrows
|
||||
.has::<Bite>()
|
||||
.has::<FollowRequest>()
|
||||
.has::<AuthorOf>()
|
||||
.has::<Follows>()
|
||||
.has::<Create>()
|
||||
}
|
||||
|
|
@ -1,233 +0,0 @@
|
|||
//! Interactions between actors.
|
||||
|
||||
use store::{util::IterExt as _, Key, StoreError, Transaction};
|
||||
|
||||
use crate::{
|
||||
actor::Actor,
|
||||
data::{FollowRequest, Bite, Status, Follows},
|
||||
Context, Error, Result,
|
||||
};
|
||||
|
||||
/// Interactions with other objects.
|
||||
impl Actor {
|
||||
/// Create a [`Bite`].
|
||||
pub fn bite(&self, victim: Actor) -> Bite {
|
||||
Bite {
|
||||
victim: victim.key,
|
||||
biter: self.key,
|
||||
id: Key::gen(),
|
||||
}
|
||||
}
|
||||
/// Construct a [`FollowRequest`].
|
||||
pub fn follow_request(&self, target: Actor) -> FollowRequest {
|
||||
FollowRequest {
|
||||
origin: self.key,
|
||||
target: target.key,
|
||||
id: Key::gen(),
|
||||
}
|
||||
}
|
||||
/// Makes `biter` bite `victim` and inserts the records into the database.
|
||||
pub fn do_bite(&self, cx: &Context, victim: Actor) -> Result<Bite> {
|
||||
let bite = self.bite(victim);
|
||||
cx.run(|tx| tx.create(bite).map_err(Error::Store))?;
|
||||
Ok(bite)
|
||||
}
|
||||
/// Creates a follow request from `self` to `target`.
|
||||
pub fn do_follow_request(&self, cx: &Context, target: Actor) -> Result<FollowRequest> {
|
||||
let req = self.follow_request(target);
|
||||
cx.run(|tx| {
|
||||
tx.create(req)?;
|
||||
tx.add_mixin(req.id, Status::Pending)?;
|
||||
Ok(req)
|
||||
})
|
||||
}
|
||||
/// Accept a follow request.
|
||||
pub fn do_accept_request(&self, cx: &Context, req: FollowRequest) -> Result<()> {
|
||||
debug_assert! {
|
||||
self.key == req.target,
|
||||
"only the target of a follow request may accept it"
|
||||
};
|
||||
cx.run(|tx| try {
|
||||
let fr = tx
|
||||
.between::<FollowRequest>(req.origin, req.target)
|
||||
// Get the one that is equal to `req`.
|
||||
.filter(|fr| fr.as_ref().is_ok_and(|f| f.id == req.id))
|
||||
.last()
|
||||
.unwrap()?;
|
||||
// Only apply the update if the follow request is still in a pending state.
|
||||
if let Some(Status::Pending) = tx.get_mixin(fr.id)? {
|
||||
tx.update(fr.id, |_| Status::Accepted)?;
|
||||
tx.create(Follows {
|
||||
follower: req.origin,
|
||||
followed: req.target,
|
||||
})?;
|
||||
}
|
||||
})
|
||||
}
|
||||
/// Reject a follow request.
|
||||
pub fn do_reject_request(&self, cx: &Context, req: FollowRequest) -> Result<()> {
|
||||
debug_assert! {
|
||||
self.key == req.target,
|
||||
"only the target of a follow request may accept it"
|
||||
};
|
||||
cx.run(|tx| try { tx.update(req.id, |_| Status::Rejected)? })?;
|
||||
Ok(())
|
||||
}
|
||||
/// Get all pending follow request for `self`.
|
||||
pub fn pending_requests<'c>(
|
||||
&self,
|
||||
tx: &'c Transaction<'c>,
|
||||
) -> impl Iterator<Item = Result<FollowRequest>> + 'c {
|
||||
tx.incoming::<FollowRequest>(self.key)
|
||||
.map_err(Error::Store)
|
||||
.filter_bind_results(|req| Ok(if req.is_pending(tx)? { Some(req) } else { None }))
|
||||
}
|
||||
/// Get all nodes `self` is following.
|
||||
pub fn following<'c>(&self, tx: &'c Transaction<'c>) -> impl Iterator<Item = Result<Key>> + 'c {
|
||||
tx.outgoing::<Follows>(self.key)
|
||||
.map_err(Error::Store)
|
||||
.map_ok(|a| a.followed)
|
||||
}
|
||||
/// Get all followers of `self`.
|
||||
pub fn followers<'c>(&self, tx: &'c Transaction<'c>) -> impl Iterator<Item = Result<Key>> + 'c {
|
||||
tx.incoming::<Follows>(self.key)
|
||||
.map_err(Error::Store)
|
||||
.map_ok(|a| a.follower)
|
||||
}
|
||||
/// List all specific times `self` was bitten.
|
||||
pub fn bites_suffered<'c>(
|
||||
&self,
|
||||
tx: &'c Transaction<'c>,
|
||||
) -> impl Iterator<Item = Result<Bite>> + 'c {
|
||||
tx.incoming::<Bite>(self.key).map_err(Error::Store)
|
||||
}
|
||||
/// Check whether `self` follows `other`.
|
||||
pub fn follows(&self, tx: &Transaction<'_>, other: &Actor) -> Result<bool> {
|
||||
try { tx.exists::<Follows>(self.key, other.key)? }
|
||||
}
|
||||
}
|
||||
|
||||
impl FollowRequest {
|
||||
/// Determine if this follow request is pending.
|
||||
pub fn is_pending(&self, tx: &Transaction<'_>) -> Result<bool> {
|
||||
// The status is stored as a mixin, so we need to get it.
|
||||
let Some(st) = tx.get_mixin::<Status>(self.id)? else {
|
||||
// If we don't have a status for a follow request, something is borked.
|
||||
return Err(StoreError::Missing.into());
|
||||
};
|
||||
// If the status of the follow request is pending, it can't also be true that the follows
|
||||
// relation already exists.
|
||||
debug_assert! {
|
||||
!(st == Status::Pending)
|
||||
|| tx.exists::<Follows>(self.origin, self.target).map(|x| !x)?,
|
||||
"fr.is_pending -> !(fr.origin follows fr.target)"
|
||||
};
|
||||
Ok(st == Status::Pending)
|
||||
}
|
||||
}
|
||||
|
||||
#[cfg(test)]
|
||||
mod tests {
|
||||
use store::util::IterExt as _;
|
||||
|
||||
use crate::{
|
||||
actor::{create_local as create_actor, Actor},
|
||||
config::Config,
|
||||
data::{schema, FollowRequest, Follows},
|
||||
test_context, Context, Result,
|
||||
};
|
||||
|
||||
fn make_test_actors(cx: &Context) -> Result<(Actor, Actor)> {
|
||||
let alice = create_actor(&cx, "alice")?;
|
||||
let bob = create_actor(&cx, "bob")?;
|
||||
eprintln!("alice={alice:?}, bob={bob:?}");
|
||||
Ok((alice, bob))
|
||||
}
|
||||
fn test_config() -> Config {
|
||||
Config {
|
||||
ap_domain: String::from("unit-test.puppy.gay"),
|
||||
wf_domain: String::from("unit-test.puppy.gay"),
|
||||
state_dir: todo!(), // TODO: make this a temp dir
|
||||
port: 0,
|
||||
}
|
||||
}
|
||||
|
||||
#[test]
|
||||
fn create_fr() -> Result<()> {
|
||||
test_context(test_config(), schema(), |cx| {
|
||||
let (alice, bob) = make_test_actors(&cx)?;
|
||||
alice.do_follow_request(&cx, bob)?;
|
||||
assert!(
|
||||
cx.store().exists::<FollowRequest>(alice.key, bob.key)?,
|
||||
"(alice -> bob) ∈ follow-requested"
|
||||
);
|
||||
assert!(
|
||||
!cx.store().exists::<Follows>(alice.key, bob.key)?,
|
||||
"(alice -> bob) ∉ follows"
|
||||
);
|
||||
let pending_for_bob = cx.run(|tx| {
|
||||
bob.pending_requests(&tx)
|
||||
.map_ok(|fr| fr.origin)
|
||||
.try_collect::<Vec<_>>()
|
||||
})?;
|
||||
assert_eq!(pending_for_bob, vec![alice.key], "bob.pending = {{alice}}");
|
||||
Ok(())
|
||||
})
|
||||
}
|
||||
|
||||
#[test]
|
||||
fn accept_fr() -> Result<()> {
|
||||
test_context(test_config(), schema(), |cx| {
|
||||
let db = cx.store();
|
||||
let (alice, bob) = make_test_actors(&cx)?;
|
||||
let req = alice.do_follow_request(&cx, bob)?;
|
||||
bob.do_accept_request(&cx, req)?;
|
||||
|
||||
assert!(
|
||||
db.exists::<Follows>(alice.key, bob.key)?,
|
||||
"(alice -> bob) ∈ follows"
|
||||
);
|
||||
assert!(
|
||||
!db.exists::<Follows>(bob.key, alice.key)?,
|
||||
"(bob -> alice) ∉ follows"
|
||||
);
|
||||
|
||||
cx.run(|tx| try {
|
||||
let pending_for_bob: Vec<_> = bob.pending_requests(&tx).try_collect()?;
|
||||
assert!(pending_for_bob.is_empty(), "bob.pending = ∅");
|
||||
|
||||
let followers_of_bob: Vec<_> = bob.followers(&tx).try_collect()?;
|
||||
assert_eq!(
|
||||
followers_of_bob,
|
||||
vec![alice.key],
|
||||
"bob.followers = {{alice}}"
|
||||
);
|
||||
})
|
||||
})
|
||||
}
|
||||
|
||||
#[test]
|
||||
fn listing_follow_relations() -> Result<()> {
|
||||
test_context(test_config(), schema(), |cx| try {
|
||||
let (alice, bob) = make_test_actors(&cx)?;
|
||||
let req = alice.do_follow_request(&cx, bob)?;
|
||||
bob.do_accept_request(&cx, req)?;
|
||||
|
||||
cx.run(|tx| try {
|
||||
let followers_of_bob: Vec<_> = bob.followers(&tx).try_collect()?;
|
||||
assert_eq!(
|
||||
followers_of_bob,
|
||||
vec![alice.key],
|
||||
"bob.followers = {{alice}}"
|
||||
);
|
||||
|
||||
let following_of_alice: Vec<_> = alice.following(&tx).try_collect()?;
|
||||
assert_eq!(
|
||||
following_of_alice,
|
||||
vec![bob.key],
|
||||
"alice.following = {{bob}}"
|
||||
);
|
||||
})?
|
||||
})
|
||||
}
|
||||
}
|
||||
|
|
@ -1,347 +1,507 @@
|
|||
//! If you're an ActivityPub developer looking for information about ActivityPuppy's federation behavior,
|
||||
//! you should take a look at [`fetch`].
|
||||
#![feature(iterator_try_collect, try_blocks)]
|
||||
use model::{Profile, Username};
|
||||
pub use store::{self, Key, Store};
|
||||
|
||||
// Working with result types is such a bitch without these.
|
||||
#![feature(iterator_try_collect, try_blocks, once_cell_try, box_into_inner)]
|
||||
pub mod model {
|
||||
use bincode::{Decode, Encode};
|
||||
use derive_more::Display;
|
||||
use store::{types::Schema, Alias, Mixin};
|
||||
|
||||
use std::hint::unreachable_unchecked;
|
||||
|
||||
use actor::get_signing_key;
|
||||
pub use context::Context;
|
||||
#[cfg(test)]
|
||||
pub use context::test_context;
|
||||
|
||||
use data::{ActivityKind, AuthorOf, Channel, Content, Create, Id, ObjectKind, Profile, PublicKey};
|
||||
|
||||
use fetch::object::{Activity, Note, Object};
|
||||
use store::Transaction;
|
||||
pub use store::{self, Key, StoreError};
|
||||
pub use fetch::{self, FetchError};
|
||||
|
||||
mod context;
|
||||
pub mod data;
|
||||
|
||||
pub mod post;
|
||||
mod interact;
|
||||
|
||||
use derive_more::{From, Display};
|
||||
use tracing::{instrument, warn};
|
||||
|
||||
/// Retrieve an ActivityPub object from the database.
|
||||
///
|
||||
/// Fails with `Error::Missing` if the required properties are not present.
|
||||
pub fn get_local_ap_object(tx: &Transaction<'_>, key: Key) -> Result<fetch::object::Object> {
|
||||
let Some(obj) = tx.get_mixin::<data::Object>(key)? else {
|
||||
// We need this data in order to determine the object type. If the passed key does not
|
||||
// have this data, it must not be an ActivityPub object.
|
||||
return Err(Error::MissingData { node: key, prop: "Object" });
|
||||
use crate::follows::Status;
|
||||
pub use crate::{
|
||||
bites::Bite,
|
||||
follows::{FollowRequest, Follows},
|
||||
post::{AuthorOf, Content},
|
||||
};
|
||||
match obj.kind {
|
||||
ObjectKind::Actor => {
|
||||
let Some(Profile { account_name, display_name, .. }) = tx.get_mixin(key)? else {
|
||||
return Err(Error::MissingData { node: key, prop: "Profile" });
|
||||
};
|
||||
let Some(Channel { inbox }) = tx.get_mixin(key)? else {
|
||||
return Err(Error::MissingData { node: key, prop: "Channel" });
|
||||
};
|
||||
let Some(PublicKey { key_id, key_pem }) = tx.get_mixin(key)? else {
|
||||
return Err(Error::MissingData { node: key, prop: "PublicKey" });
|
||||
};
|
||||
Ok(fetch::object::Object::Actor(fetch::object::Actor {
|
||||
id: obj.id.0.clone().into(),
|
||||
inbox: inbox.into(),
|
||||
account_name: account_name.0,
|
||||
display_name,
|
||||
public_key: fetch::object::PublicKey {
|
||||
owner: obj.id.0.into(),
|
||||
id: key_id.into(),
|
||||
inner: key_pem,
|
||||
},
|
||||
}))
|
||||
}
|
||||
ObjectKind::Activity(ActivityKind::Create) => {
|
||||
let Some(Create { object, actor, .. }) = tx.get_arrow(key)? else {
|
||||
panic!("expected a `Create`");
|
||||
};
|
||||
let Id(actor) = tx.get_alias(actor)?.unwrap();
|
||||
Ok(fetch::object::Object::Activity(fetch::object::Activity {
|
||||
id: obj.id.0.into(),
|
||||
actor: actor.into(),
|
||||
object: Box::new(get_local_ap_object(tx, object)?),
|
||||
kind: String::from("Create"),
|
||||
}))
|
||||
}
|
||||
ObjectKind::Notelike(kind) => {
|
||||
let Some(Content { content, warning, .. }) = tx.get_mixin(key)? else {
|
||||
panic!()
|
||||
};
|
||||
let Some(AuthorOf { author, .. }) = tx.incoming(key).next().transpose()? else {
|
||||
panic!()
|
||||
};
|
||||
let Some(Id(author)) = tx.get_alias(author)? else {
|
||||
todo!()
|
||||
};
|
||||
Ok(fetch::object::Object::Note(Note {
|
||||
id: obj.id.0.clone().into(),
|
||||
summary: warning,
|
||||
content,
|
||||
author,
|
||||
kind,
|
||||
}))
|
||||
}
|
||||
_ => todo!(),
|
||||
|
||||
/// A "profile" in the social media sense.
|
||||
///
|
||||
/// Contains all presentation information about someone making posts.
|
||||
#[derive(Mixin, Encode, Decode, Debug, Clone)]
|
||||
pub struct Profile {
|
||||
/// How many posts has this user made?
|
||||
pub post_count: usize,
|
||||
/// The name used for the profile's handle.
|
||||
pub account_name: Username,
|
||||
/// The name displayed above their posts.
|
||||
pub display_name: Option<String>,
|
||||
/// The "bio", a freeform "about me" field.
|
||||
pub about_string: Option<String>,
|
||||
/// Arbitrary custom metadata fields.
|
||||
pub about_fields: Vec<(String, String)>,
|
||||
}
|
||||
|
||||
/// A unique name for an actor that is part of their "handle".
|
||||
#[derive(Alias, Encode, Decode, Clone, PartialEq, Eq, Debug, Hash, Display)]
|
||||
pub struct Username(pub String);
|
||||
|
||||
/// Construct the schema.
|
||||
pub fn schema() -> Schema {
|
||||
Schema::new()
|
||||
// Mixins
|
||||
.has::<Profile>()
|
||||
.has::<Content>()
|
||||
.has::<Status>()
|
||||
// Aliases
|
||||
.has::<Username>()
|
||||
// Arrows
|
||||
.has::<Bite>()
|
||||
.has::<FollowRequest>()
|
||||
.has::<AuthorOf>()
|
||||
.has::<Follows>()
|
||||
}
|
||||
}
|
||||
|
||||
pub mod actor {
|
||||
use fetch::{
|
||||
object,
|
||||
signatures::{Private, SigningKey},
|
||||
};
|
||||
use store::{Key, StoreError, Transaction};
|
||||
|
||||
use crate::{
|
||||
data::{Channel, Id, Object, ObjectKind, PrivateKey, Profile, PublicKey, Username},
|
||||
Context, Error, Result,
|
||||
};
|
||||
|
||||
/// A reference to an actor.
|
||||
#[derive(Clone, Copy, Eq, PartialEq, Debug)]
|
||||
pub struct Actor {
|
||||
/// The key identifying the actor in the data store.
|
||||
pub key: Key,
|
||||
}
|
||||
|
||||
impl Actor {
|
||||
/// Get a local actor from the store by their username.
|
||||
pub fn by_username(tx: &Transaction<'_>, username: impl ToString) -> Result<Option<Actor>> {
|
||||
let maybe_key = tx
|
||||
.lookup(Username(username.to_string()))
|
||||
.map_err(Error::Store)?;
|
||||
Ok(maybe_key.map(|key| Actor { key }))
|
||||
}
|
||||
}
|
||||
|
||||
/// Create a fresh local actor.
|
||||
pub fn create_local(cx: &Context, username: impl ToString) -> Result<Actor> {
|
||||
let key = Key::gen();
|
||||
cx.run(|tx| {
|
||||
let username: Username = username.to_string().into();
|
||||
// Federation stuff
|
||||
mixin_ap_actor(tx, key, &cx.config().ap_domain, true)?;
|
||||
mixin_priv_key(tx, key, &cx.config().ap_domain)?;
|
||||
// Social properties
|
||||
tx.add_alias(key, username.clone())?;
|
||||
tx.add_mixin(key, Profile {
|
||||
post_count: 0,
|
||||
account_name: username,
|
||||
display_name: None,
|
||||
about_string: None,
|
||||
about_fields: Vec::new(),
|
||||
})?;
|
||||
Ok(Actor { key })
|
||||
})
|
||||
}
|
||||
|
||||
/// Register an actor from another server.
|
||||
pub fn create_remote(tx: &Transaction<'_>, object: object::Actor) -> Result<Actor> {
|
||||
let key = Key::gen();
|
||||
tx.add_alias(key, Id(object.id.clone()))?;
|
||||
tx.add_mixin(key, Channel { inbox: object.inbox })?;
|
||||
tx.add_mixin(key, Object {
|
||||
kind: ObjectKind::Actor,
|
||||
id: Id(object.id),
|
||||
local: false,
|
||||
})?;
|
||||
pub fn create_actor(db: &Store, username: impl ToString) -> store::Result<Key> {
|
||||
let key = Key::gen();
|
||||
db.run(|tx| {
|
||||
let username: Username = username.to_string().into();
|
||||
tx.add_alias(key, username.clone())?;
|
||||
tx.add_mixin(key, Profile {
|
||||
post_count: 0,
|
||||
account_name: Username(object.account_name),
|
||||
display_name: object.display_name,
|
||||
account_name: username,
|
||||
display_name: None,
|
||||
about_string: None,
|
||||
about_fields: Vec::new(),
|
||||
})?;
|
||||
tx.add_mixin(key, PublicKey {
|
||||
key_id: object.public_key.id,
|
||||
key_pem: object.public_key.inner,
|
||||
})?;
|
||||
Ok(Actor { key })
|
||||
}
|
||||
|
||||
/// Add properties related to local ActivityPub actors to a vertex.
|
||||
pub fn mixin_ap_actor(
|
||||
tx: &Transaction<'_>,
|
||||
vertex: Key,
|
||||
domain: &str,
|
||||
local: bool,
|
||||
) -> Result<(), StoreError> {
|
||||
let id = Id(format!("https://{domain}/o/{vertex}"));
|
||||
tx.add_alias(vertex, id.clone())?;
|
||||
tx.add_mixin(vertex, Channel { inbox: format!("{id}/inbox") })?;
|
||||
tx.add_mixin(vertex, Object {
|
||||
kind: ObjectKind::Actor,
|
||||
local,
|
||||
id,
|
||||
})?;
|
||||
store::OK
|
||||
}
|
||||
|
||||
/// Generate and attach a public/private key pair to the vertex.
|
||||
pub fn mixin_priv_key(
|
||||
tx: &Transaction<'_>,
|
||||
vertex: Key,
|
||||
domain: &str,
|
||||
) -> Result<(), StoreError> {
|
||||
let key_id = format!("https://{domain}/o/{vertex}#sig-key");
|
||||
let (private, public) = Private::gen();
|
||||
tx.add_mixin(vertex, PublicKey {
|
||||
key_pem: public.encode_pem(),
|
||||
key_id,
|
||||
})?;
|
||||
tx.add_mixin(vertex, PrivateKey { key_pem: private.encode_pem() })?;
|
||||
store::OK
|
||||
}
|
||||
|
||||
pub fn get_signing_key(tx: &Transaction<'_>, actor: Actor) -> Result<SigningKey, StoreError> {
|
||||
let (PrivateKey { key_pem, .. }, PublicKey { key_id, .. }) =
|
||||
tx.get_mixin_many(actor.key)?;
|
||||
let Id(owner) = tx.get_alias(actor.key)?.unwrap();
|
||||
let inner = Private::decode_pem(&key_pem);
|
||||
Ok(SigningKey { id: key_id, owner, inner })
|
||||
}
|
||||
}
|
||||
|
||||
pub type Result<T, E = Error> = std::result::Result<T, E>;
|
||||
|
||||
#[derive(From, Debug, Display)]
|
||||
pub enum Error {
|
||||
/// An error internal to the store.
|
||||
#[display(fmt = "store error: {}", self.0)]
|
||||
Store(StoreError),
|
||||
/// An error generated by the [fetch] subsystem.
|
||||
#[display(fmt = "fetch error: {}", self.0)]
|
||||
Fetch(FetchError),
|
||||
/// Expected `node` to have some property that it doesn't have.
|
||||
#[display(fmt = "missing data: {node} is missing {prop}")]
|
||||
MissingData {
|
||||
/// The node that is missing the data.
|
||||
node: Key,
|
||||
/// Name of the thing it is missing.
|
||||
prop: &'static str,
|
||||
},
|
||||
#[display(fmt = "invalid data: {}", self.0)]
|
||||
Invalid(String),
|
||||
}
|
||||
|
||||
pub mod config {
|
||||
#[derive(Clone)]
|
||||
pub struct Config {
|
||||
pub ap_domain: String,
|
||||
pub wf_domain: String,
|
||||
pub state_dir: String,
|
||||
pub port: u16,
|
||||
}
|
||||
}
|
||||
|
||||
/// Interpret an *incoming* activity. Outgoing activities are *never* interpreted through this function,
|
||||
/// because their changes are already in the database.
|
||||
// TODO: figure out if that is the behavior we actually want
|
||||
#[instrument(skip_all, fields(activity.id = activity.id))]
|
||||
pub fn interpret(cx: &Context, activity: Activity) -> Result<()> {
|
||||
// Fetch our actor from the database
|
||||
let Some(actor) = cx.store().lookup(Id(activity.actor.clone()))? else {
|
||||
panic!(
|
||||
"actor {} does not exist in the database (id={})",
|
||||
activity.actor, activity.id
|
||||
)
|
||||
};
|
||||
|
||||
// Fetch our object from the database. The object must already exist in the database.
|
||||
let id = activity.object.id();
|
||||
let Some(object) = cx.store().lookup(Id(id.to_owned()))? else {
|
||||
panic!(
|
||||
"object {} does not exist in the database (id={})",
|
||||
activity.object.id(),
|
||||
activity.id
|
||||
)
|
||||
};
|
||||
|
||||
let actor = actor::Actor { key: actor };
|
||||
let (key, tag) = match activity.kind.as_str() {
|
||||
"Bite" => {
|
||||
let object = actor::Actor { key: object };
|
||||
(actor.do_bite(&cx, object)?.id, ActivityKind::Bite)
|
||||
}
|
||||
"Create" => {
|
||||
// NOTE: due to the ingesting, we already have this information.
|
||||
// TODO: change this. for god's sake
|
||||
return Ok(());
|
||||
}
|
||||
"Follow" => {
|
||||
let object = actor::Actor { key: object };
|
||||
|
||||
let req = actor.do_follow_request(&cx, object)?;
|
||||
(req.id, ActivityKind::Follow)
|
||||
}
|
||||
tag @ ("Accept" | "Reject") => {
|
||||
// Follow requests are multi-arrows in our graph, and they have their own activitypub id.
|
||||
let Some(req) = cx.store().get_arrow(object)? else {
|
||||
panic!(
|
||||
"follow request does not exist: {object} (id={})",
|
||||
activity.id
|
||||
)
|
||||
};
|
||||
// Dispatch to the actual method based on the tag
|
||||
let tag = match tag {
|
||||
"Accept" => actor
|
||||
.do_accept_request(&cx, req)
|
||||
.map(|_| ActivityKind::Accept)?,
|
||||
"Reject" => actor
|
||||
.do_reject_request(&cx, req)
|
||||
.map(|_| ActivityKind::Reject)?,
|
||||
_ => unsafe {
|
||||
// SAFETY: this branch of the outer match only matches if the tag is either "Accept" or "Reject",
|
||||
// so this inner branch is truly unreachable.
|
||||
unreachable_unchecked()
|
||||
},
|
||||
};
|
||||
(Key::gen(), tag)
|
||||
}
|
||||
k => {
|
||||
warn!(activity.id, "unsupported activity type {k}");
|
||||
return Err(Error::Invalid(format!("activity type '{k}' not supported")));
|
||||
}
|
||||
};
|
||||
cx.run(|tx| {
|
||||
tx.add_alias(key, Id(activity.id.clone()))?;
|
||||
tx.add_mixin(key, data::Object {
|
||||
id: Id(activity.id.clone()),
|
||||
kind: ObjectKind::Activity(tag),
|
||||
local: false,
|
||||
})?;
|
||||
Ok(())
|
||||
Ok(key)
|
||||
})
|
||||
}
|
||||
|
||||
/// Make sure all the interesting bits of an activity are here.
|
||||
#[instrument(skip_all, fields(activity.id = activity.id, key = auth.to_string()))]
|
||||
pub async fn ingest(cx: &Context, auth: Key, activity: &Activity) -> Result<()> {
|
||||
let key = cx.run(|tx| get_signing_key(tx, actor::Actor { key: auth }).map_err(Error::Store))?;
|
||||
for id in [activity.actor.as_str(), activity.object.id()] {
|
||||
if cx.store().lookup(Id(id.to_owned()))?.is_some() {
|
||||
// Skip ingesting if we already know this ID.
|
||||
continue;
|
||||
}
|
||||
let json = cx.resolver().resolve(&key, &id).await?;
|
||||
let object = Object::from_json(json).unwrap();
|
||||
match object {
|
||||
Object::Activity(a) => interpret(&cx, a)?,
|
||||
Object::Actor(a) => cx.run(|tx| actor::create_remote(tx, a).map(void))?,
|
||||
Object::Note(a) => post::create_post_from_note(cx, a).map(void)?,
|
||||
_ => todo!(),
|
||||
}
|
||||
pub mod bites {
|
||||
//! The most essential feature of any social network.
|
||||
|
||||
use store::{Arrow, Key, Store};
|
||||
|
||||
/// *Bites you*
|
||||
#[derive(Arrow, Debug, PartialEq, Eq, Clone, Copy)]
|
||||
pub struct Bite {
|
||||
#[identity]
|
||||
pub id: Key,
|
||||
#[origin]
|
||||
pub biter: Key,
|
||||
#[target]
|
||||
pub victim: Key,
|
||||
}
|
||||
|
||||
pub fn bite_actor(db: &Store, biter: Key, victim: Key) -> store::Result<Key> {
|
||||
db.run(|tx| {
|
||||
let id = Key::gen();
|
||||
tx.create(Bite { id, biter, victim })?;
|
||||
Ok(id)
|
||||
})
|
||||
}
|
||||
|
||||
/// Who has bitten `victim`?
|
||||
pub fn bites_on(db: &Store, victim: Key) -> store::Result<Vec<Bite>> {
|
||||
db.incoming::<Bite>(victim).try_collect()
|
||||
}
|
||||
Ok(())
|
||||
}
|
||||
|
||||
/// Discard the argument.
|
||||
fn void<T>(_: T) -> () {}
|
||||
pub mod post {
|
||||
//! Timelines: where you go to view the posts.
|
||||
|
||||
use std::ops::RangeBounds;
|
||||
|
||||
use bincode::{Decode, Encode};
|
||||
use chrono::{DateTime, Utc};
|
||||
use either::Either::{Left, Right};
|
||||
use store::{util::IterExt as _, Arrow, Error, Key, Mixin, Result, Store, Transaction};
|
||||
|
||||
use crate::model::Profile;
|
||||
|
||||
/// The contents of a post.
|
||||
#[derive(Mixin, Encode, Decode, Debug, Clone, Default)]
|
||||
pub struct Content {
|
||||
/// Main post body.
|
||||
pub content: Option<String>,
|
||||
/// Content warning for the post.
|
||||
pub warning: Option<String>,
|
||||
}
|
||||
|
||||
impl From<&str> for Content {
|
||||
fn from(value: &str) -> Self {
|
||||
value.to_string().into()
|
||||
}
|
||||
}
|
||||
|
||||
impl From<String> for Content {
|
||||
fn from(value: String) -> Self {
|
||||
Content {
|
||||
content: Some(value),
|
||||
warning: None,
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
/// The relation that `author` has constructed and published `object`.
|
||||
#[derive(Arrow, Debug, PartialEq, Eq, Clone, Copy)]
|
||||
pub struct AuthorOf {
|
||||
#[origin]
|
||||
pub author: Key,
|
||||
#[target]
|
||||
pub object: Key,
|
||||
}
|
||||
|
||||
/// A piece of content posted by someone.
|
||||
#[derive(Clone, Debug)]
|
||||
pub struct Post {
|
||||
/// The post's internal ID.
|
||||
pub id: Key,
|
||||
/// The actual post contents.
|
||||
pub content: Content,
|
||||
/// Metadata about the post's author.
|
||||
pub author: Author,
|
||||
}
|
||||
|
||||
/// Information about a [`Post`]'s author.
|
||||
#[derive(Clone, Debug)]
|
||||
pub struct Author {
|
||||
/// The identifier of the author.
|
||||
pub id: Key,
|
||||
/// The name to display along with the post.
|
||||
pub display_name: String,
|
||||
/// An informal identifier for a particular author.
|
||||
pub handle: String,
|
||||
}
|
||||
|
||||
/// An ordered list of [`Post`]s for viewing.
|
||||
#[derive(Debug)]
|
||||
pub struct Timeline {
|
||||
items: Vec<Item>,
|
||||
}
|
||||
|
||||
/// Discrete events that can be displayed to a user as part of a timeline.
|
||||
#[derive(Debug)]
|
||||
enum Item {
|
||||
Post(Post),
|
||||
}
|
||||
|
||||
impl Item {
|
||||
/// Get the timeline item if it is a [`Post`].
|
||||
pub fn as_post(&self) -> Option<&Post> {
|
||||
match self {
|
||||
Item::Post(ref post) => Some(post),
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
impl Timeline {
|
||||
/// Get all the posts in the timeline.
|
||||
pub fn posts(&self) -> impl Iterator<Item = &Post> {
|
||||
self.items.iter().filter_map(|x| x.as_post())
|
||||
}
|
||||
}
|
||||
|
||||
/// Gets at most `limit` of the posts known to the instance that were inserted within `time_range`.
|
||||
pub fn fetch_timeline(
|
||||
db: &Store,
|
||||
time_range: impl RangeBounds<DateTime<Utc>>,
|
||||
limit: Option<usize>,
|
||||
) -> Result<Timeline> {
|
||||
let posts = db.run(|tx| {
|
||||
// Get all post content entries (the argument passed here is a range of chrono datetimes).
|
||||
let iter = tx.range::<Content>(time_range);
|
||||
let iter = match limit {
|
||||
Some(n) => Left(iter.take(n)),
|
||||
None => Right(iter),
|
||||
};
|
||||
// Then, we're gonna map each of them to their author, and get the profile information needed to
|
||||
// render the post (mostly display name and handle).
|
||||
iter.bind_results(|(id, content)| {
|
||||
// Take the first author. There is nothing stopping a post from having multiple authors, but
|
||||
// let's take it one step at a time.
|
||||
let (author, Some(Profile { display_name, account_name, .. })) = tx
|
||||
.join_on(|a: AuthorOf| a.author, tx.incoming(id))?
|
||||
.swap_remove(0)
|
||||
else {
|
||||
// We expect all posts to have at least one author, so we should complain if there is one
|
||||
// that doesn't (for now). For robustness, the `.collect()` down there should be replaced
|
||||
// with a strategy where we log a warning instead of failing, but in the current state of
|
||||
// the project, failing fast is a good thing.
|
||||
return Err(Error::Missing);
|
||||
};
|
||||
Ok(Item::Post(Post {
|
||||
id,
|
||||
author: Author {
|
||||
id: author,
|
||||
handle: format!("@{account_name}"),
|
||||
display_name: display_name.unwrap_or(account_name.0),
|
||||
},
|
||||
content,
|
||||
}))
|
||||
})
|
||||
.collect()
|
||||
})?;
|
||||
Ok(Timeline { items: posts })
|
||||
}
|
||||
|
||||
/// Create a new post.
|
||||
pub fn create_post(db: &Store, author: Key, content: impl Into<Content>) -> store::Result<Key> {
|
||||
db.run(|tx| mixin_post(tx, Key::gen(), author, content))
|
||||
}
|
||||
|
||||
/// Add a post's mixins and predicates to an existing `node`.
|
||||
pub fn mixin_post(
|
||||
tx: &Transaction<'_>,
|
||||
node: Key,
|
||||
author: Key,
|
||||
content: impl Into<Content>,
|
||||
) -> store::Result<Key> {
|
||||
tx.update::<Profile>(author, |mut profile| {
|
||||
profile.post_count += 1;
|
||||
profile
|
||||
})?;
|
||||
tx.add_mixin(node, content.into())?;
|
||||
tx.create(AuthorOf { author, object: node })?;
|
||||
Ok(node)
|
||||
}
|
||||
|
||||
pub fn list_posts_by_author(db: &Store, author: Key) -> store::Result<Vec<(Key, Content)>> {
|
||||
db.run(|tx| {
|
||||
let posts = tx
|
||||
.join_on(|a: AuthorOf| a.object, tx.outgoing(author))?
|
||||
.into_iter()
|
||||
.filter_map(|(k, opt)| try { (k, opt?) })
|
||||
.collect();
|
||||
Ok(posts)
|
||||
})
|
||||
}
|
||||
}
|
||||
|
||||
pub mod follows {
|
||||
//! Follow requests and related stuff.
|
||||
|
||||
use bincode::{Decode, Encode};
|
||||
use store::{util::IterExt, Arrow, Error, Key, Mixin, Store, OK};
|
||||
|
||||
/// A predicate; `follower` "follows" `followed`.
|
||||
#[derive(Arrow, Debug, PartialEq, Eq, Clone, Copy)]
|
||||
pub struct Follows {
|
||||
#[origin]
|
||||
pub follower: Key,
|
||||
#[target]
|
||||
pub followed: Key,
|
||||
}
|
||||
|
||||
/// An instance of a request from some `origin` user to follow a `target` user.
|
||||
///
|
||||
/// This should not be used to determine whether two actors are following each other. For that, use
|
||||
/// [`Follows`], a basic arrow for exactly this purpose. *This* arrow is used to identify specific
|
||||
/// instances of *requests*, and serves mostly as a historical reference and for synchronizing with
|
||||
/// other servers.
|
||||
///
|
||||
/// Mixins always present for the `id`:
|
||||
///
|
||||
/// - [`Status`], carrying the status of the request.
|
||||
#[derive(Arrow, Debug, PartialEq, Eq, Clone, Copy)]
|
||||
pub struct FollowRequest {
|
||||
/// The unique ID of this particular request.
|
||||
#[identity]
|
||||
pub id: Key,
|
||||
/// The "follower", the user that made the request.
|
||||
pub origin: Key,
|
||||
/// The one the request is made to.
|
||||
pub target: Key,
|
||||
}
|
||||
|
||||
impl FollowRequest {
|
||||
/// Determine if this follow request is pending.
|
||||
pub fn is_pending(&self, db: &Store) -> store::Result<bool> {
|
||||
// The status is stored as a mixin, so we need to get it.
|
||||
let Some(st) = db.get_mixin::<Status>(self.id)? else {
|
||||
// If we don't have a status for a follow request, something is borked.
|
||||
return Err(Error::Missing);
|
||||
};
|
||||
// If the status of the follow request is pending, it can't also be true that the follows
|
||||
// relation already exists.
|
||||
debug_assert! {
|
||||
!(st == Status::Pending)
|
||||
|| db.exists::<Follows>(self.origin, self.target).map(|x| !x)?,
|
||||
"fr.is_pending -> !(fr.origin follows fr.target)"
|
||||
};
|
||||
Ok(st == Status::Pending)
|
||||
}
|
||||
}
|
||||
|
||||
/// The status of a [`FollowRequest`].
|
||||
///
|
||||
/// Valid state transitions:
|
||||
///
|
||||
/// ```text
|
||||
/// ┌──────────────▶ Rejected
|
||||
/// │
|
||||
/// │
|
||||
/// │
|
||||
///
|
||||
/// None ─────────▶ Pending ────────▶ Accepted
|
||||
///
|
||||
/// │ │
|
||||
/// │ │
|
||||
/// │ │
|
||||
/// ▼ │
|
||||
/// Withdrawn ◀────────────┘
|
||||
/// ```
|
||||
///
|
||||
/// In addition, a follow request will be deleted if either endpoint is removed from the graph.
|
||||
#[derive(Mixin, Encode, Decode, Eq, PartialEq, Clone)]
|
||||
pub enum Status {
|
||||
/// The follow request was previously pending or accepted, but since withdrawn.
|
||||
///
|
||||
/// This can happen when someone cancels their follow request or unfollows the target.
|
||||
Withdrawn,
|
||||
/// The follow request was accepted.
|
||||
Accepted,
|
||||
/// The follow request was denied.
|
||||
Rejected,
|
||||
/// The follow request is still under review.
|
||||
Pending,
|
||||
}
|
||||
|
||||
/// Request to follow another actor.
|
||||
pub fn request(db: &Store, requester: Key, target: Key) -> store::Result<FollowRequest> {
|
||||
db.run(|tx| {
|
||||
let req = FollowRequest {
|
||||
id: Key::gen(),
|
||||
origin: requester,
|
||||
target,
|
||||
};
|
||||
tx.create(req)?;
|
||||
tx.add_mixin(req.id, Status::Pending)?;
|
||||
Ok(req)
|
||||
})
|
||||
}
|
||||
|
||||
/// Accept the open follow request from `requester` to `target`, if one exists.
|
||||
pub fn accept(db: &Store, requester: Key, target: Key) -> store::Result<()> {
|
||||
db.run(|tx| {
|
||||
// TODO: This logic is a little broken but it'll do for now. i'll fix it later.
|
||||
let fr = tx
|
||||
.between::<FollowRequest>(requester, target)
|
||||
.filter(|fr| fr.as_ref().is_ok_and(|f| f.target == target))
|
||||
// We'll want the latest one, because that one was inserted last so it'll be the most
|
||||
// recent
|
||||
.last()
|
||||
.ok_or_else(|| Error::Missing)??;
|
||||
// Only apply the update if the last follow request is still in a pending state.
|
||||
if let Some(Status::Pending) = db.get_mixin(fr.id)? {
|
||||
tx.update(fr.id, |_| Status::Accepted)?;
|
||||
tx.create(Follows {
|
||||
follower: requester,
|
||||
followed: target,
|
||||
})?;
|
||||
}
|
||||
OK
|
||||
})
|
||||
}
|
||||
|
||||
pub fn reject(db: &Store, request: Key) -> store::Result<()> {
|
||||
db.run(|tx| {
|
||||
tx.update(request, |_| Status::Rejected)?;
|
||||
OK
|
||||
})
|
||||
}
|
||||
|
||||
/// List all pending follow requests for a user.
|
||||
pub fn list_pending(db: &Store, target: Key) -> store::Result<Vec<FollowRequest>> {
|
||||
db.incoming::<FollowRequest>(target)
|
||||
.filter_bind_results(|req| Ok(if req.is_pending(db)? { Some(req) } else { None }))
|
||||
.collect()
|
||||
}
|
||||
|
||||
/// Get all actors followed by `actor`.
|
||||
pub fn following_of(db: &Store, actor: Key) -> store::Result<Vec<Key>> {
|
||||
db.outgoing::<Follows>(actor)
|
||||
.map_ok(|a| a.followed)
|
||||
.collect()
|
||||
}
|
||||
|
||||
/// Get all actors following `actor`.
|
||||
pub fn followers_of(db: &Store, actor: Key) -> store::Result<Vec<Key>> {
|
||||
db.incoming::<Follows>(actor)
|
||||
.map_ok(|a| a.follower)
|
||||
.collect()
|
||||
}
|
||||
|
||||
#[cfg(test)]
|
||||
mod tests {
|
||||
use store::{Key, Store, OK};
|
||||
|
||||
use crate::{
|
||||
create_actor,
|
||||
model::{schema, FollowRequest, Follows},
|
||||
};
|
||||
|
||||
fn make_test_actors(db: &Store) -> store::Result<(Key, Key)> {
|
||||
let alice = create_actor(&db, "alice")?;
|
||||
let bob = create_actor(&db, "bob")?;
|
||||
eprintln!("alice={alice}, bob={bob}");
|
||||
Ok((alice, bob))
|
||||
}
|
||||
|
||||
#[test]
|
||||
fn create_fr() -> store::Result<()> {
|
||||
Store::test(schema(), |db| {
|
||||
let (alice, bob) = make_test_actors(&db)?;
|
||||
super::request(&db, alice, bob)?;
|
||||
assert!(
|
||||
db.exists::<FollowRequest>(alice, bob)?,
|
||||
"(alice -> bob) ∈ follow-requested"
|
||||
);
|
||||
assert!(
|
||||
!db.exists::<Follows>(alice, bob)?,
|
||||
"(alice -> bob) ∉ follows"
|
||||
);
|
||||
let pending_for_bob = super::list_pending(&db, bob)?
|
||||
.into_iter()
|
||||
.map(|fr| fr.origin)
|
||||
.collect::<Vec<_>>();
|
||||
assert_eq!(pending_for_bob, vec![alice], "bob.pending = {{alice}}");
|
||||
OK
|
||||
})
|
||||
}
|
||||
|
||||
#[test]
|
||||
fn accept_fr() -> store::Result<()> {
|
||||
Store::test(schema(), |db| {
|
||||
let (alice, bob) = make_test_actors(&db)?;
|
||||
super::request(&db, alice, bob)?;
|
||||
super::accept(&db, alice, bob)?;
|
||||
|
||||
assert!(
|
||||
db.exists::<Follows>(alice, bob)?,
|
||||
"(alice -> bob) ∈ follows"
|
||||
);
|
||||
assert!(
|
||||
!db.exists::<Follows>(bob, alice)?,
|
||||
"(bob -> alice) ∉ follows"
|
||||
);
|
||||
|
||||
let pending_for_bob = super::list_pending(&db, bob)?;
|
||||
assert!(pending_for_bob.is_empty(), "bob.pending = ∅");
|
||||
|
||||
let followers_of_bob = super::followers_of(&db, bob)?;
|
||||
assert_eq!(followers_of_bob, vec![alice], "bob.followers = {{alice}}");
|
||||
|
||||
OK
|
||||
})
|
||||
}
|
||||
|
||||
#[test]
|
||||
fn listing_follow_relations() -> store::Result<()> {
|
||||
Store::test(schema(), |db| {
|
||||
let (alice, bob) = make_test_actors(&db)?;
|
||||
super::request(&db, alice, bob)?;
|
||||
super::accept(&db, alice, bob)?;
|
||||
|
||||
let followers_of_bob = super::followers_of(&db, bob)?;
|
||||
assert_eq!(followers_of_bob, vec![alice], "bob.followers = {{alice}}");
|
||||
|
||||
let following_of_alice = super::following_of(&db, alice)?;
|
||||
assert_eq!(following_of_alice, vec![bob], "alice.following = {{bob}}");
|
||||
|
||||
OK
|
||||
})
|
||||
}
|
||||
}
|
||||
}
|
||||
|
|
|
|||
|
|
@ -1,262 +0,0 @@
|
|||
//! Timelines: where you go to view the posts.
|
||||
|
||||
use std::ops::RangeBounds;
|
||||
|
||||
use chrono::{DateTime, Utc};
|
||||
use either::Either::{Left, Right};
|
||||
use fetch::object::{Activity, Note, Object};
|
||||
use store::{util::IterExt as _, Key, Store, StoreError, Transaction};
|
||||
|
||||
use crate::{
|
||||
actor::{get_signing_key, Actor},
|
||||
data::{
|
||||
self, ActivityKind, AuthorOf, Channel, Content, Create, Follows, Id, ObjectKind, Profile,
|
||||
},
|
||||
Context,
|
||||
};
|
||||
|
||||
#[derive(Clone, Copy, Debug)]
|
||||
pub struct Post {
|
||||
pub key: Key,
|
||||
}
|
||||
|
||||
impl From<&str> for Content {
|
||||
fn from(value: &str) -> Self {
|
||||
value.to_string().into()
|
||||
}
|
||||
}
|
||||
|
||||
impl From<String> for Content {
|
||||
fn from(value: String) -> Self {
|
||||
Content {
|
||||
content: Some(value),
|
||||
warning: None,
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
/// A piece of content posted by someone.
|
||||
#[derive(Clone, Debug)]
|
||||
pub struct PostData {
|
||||
/// The post's internal ID.
|
||||
pub id: Post,
|
||||
/// The actual post contents.
|
||||
pub content: Content,
|
||||
/// Metadata about the post's author.
|
||||
pub author: Author,
|
||||
}
|
||||
|
||||
/// Information about a [`Post`]'s author.
|
||||
#[derive(Clone, Debug)]
|
||||
pub struct Author {
|
||||
/// The identifier of the author.
|
||||
pub id: Key,
|
||||
/// The name to display along with the post.
|
||||
pub display_name: String,
|
||||
/// An informal identifier for a particular author.
|
||||
pub handle: String,
|
||||
}
|
||||
|
||||
/// An ordered list of [`Post`]s for viewing.
|
||||
#[derive(Debug)]
|
||||
pub struct Timeline {
|
||||
items: Vec<Item>,
|
||||
}
|
||||
|
||||
/// Discrete events that can be displayed to a user as part of a timeline.
|
||||
#[derive(Debug)]
|
||||
enum Item {
|
||||
Post(PostData),
|
||||
}
|
||||
|
||||
impl Item {
|
||||
/// Get the timeline item if it is a [`Post`].
|
||||
pub fn as_post(&self) -> Option<&PostData> {
|
||||
match self {
|
||||
Item::Post(ref post) => Some(post),
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
impl Timeline {
|
||||
/// Get all the posts in the timeline.
|
||||
pub fn posts(&self) -> impl Iterator<Item = &PostData> {
|
||||
self.items.iter().filter_map(|x| x.as_post())
|
||||
}
|
||||
}
|
||||
|
||||
/// Gets at most `limit` of the posts known to the instance that were inserted within `time_range`.
|
||||
pub fn fetch_timeline(
|
||||
db: &Store,
|
||||
time_range: impl RangeBounds<DateTime<Utc>>,
|
||||
limit: Option<usize>,
|
||||
) -> Result<Timeline, StoreError> {
|
||||
let posts = db.run(|tx| {
|
||||
// Get all post content entries (the argument passed here is a range of chrono datetimes).
|
||||
let iter = tx.range::<Content>(time_range);
|
||||
let iter = match limit {
|
||||
Some(n) => Left(iter.take(n)),
|
||||
None => Right(iter),
|
||||
};
|
||||
// Then, we're gonna map each of them to their author, and get the profile information needed to
|
||||
// render the post (mostly display name and handle).
|
||||
iter.bind_results(|(key, content)| try {
|
||||
// Take the first author. There is nothing stopping a post from having multiple authors, but
|
||||
// let's take it one step at a time.
|
||||
let (author, Some(Profile { display_name, account_name, .. })) = tx
|
||||
.join_on(|a: AuthorOf| a.author, tx.incoming(key))?
|
||||
.swap_remove(0)
|
||||
else {
|
||||
// We expect all posts to have at least one author, so we should complain if there is one
|
||||
// that doesn't (for now). For robustness, the `.collect()` down there should be replaced
|
||||
// with a strategy where we log a warning instead of failing, but in the current state of
|
||||
// the project, failing fast is a good thing.
|
||||
return Err(StoreError::Missing);
|
||||
};
|
||||
Item::Post(PostData {
|
||||
id: Post { key },
|
||||
author: Author {
|
||||
id: author,
|
||||
handle: format!("@{account_name}"),
|
||||
display_name: display_name.unwrap_or(account_name.0),
|
||||
},
|
||||
content,
|
||||
})
|
||||
})
|
||||
.collect()
|
||||
})?;
|
||||
Ok(Timeline { items: posts })
|
||||
}
|
||||
|
||||
/// Create a new post entity.
|
||||
pub fn create_local_post(
|
||||
cx: &Context,
|
||||
author: Key,
|
||||
content: impl Into<Content>,
|
||||
) -> crate::Result<Post> {
|
||||
let content = content.into();
|
||||
cx.run(|tx| {
|
||||
let key = Key::gen();
|
||||
// Local stuff
|
||||
mixin_post(tx, key, author, content)?;
|
||||
// Federation stuff
|
||||
let id = Id(cx.mk_url(key));
|
||||
tx.add_alias(key, id.clone())?;
|
||||
tx.add_mixin(key, data::Object {
|
||||
kind: ObjectKind::Notelike("Note".to_string()),
|
||||
local: true,
|
||||
id,
|
||||
})?;
|
||||
Ok(Post { key })
|
||||
})
|
||||
}
|
||||
|
||||
/// Assumes all objects referenced already exist.
|
||||
#[tracing::instrument(skip(cx))]
|
||||
pub fn create_post_from_note(cx: &Context, note: Note) -> crate::Result<Post> {
|
||||
cx.run(|tx| {
|
||||
let Some(author) = tx.lookup(Id(note.author))? else {
|
||||
panic!("needed author to already exist")
|
||||
};
|
||||
|
||||
let key = Key::gen();
|
||||
|
||||
tx.add_alias(key, Id(note.id.clone()))?;
|
||||
tx.create(AuthorOf { object: key, author })?;
|
||||
tx.add_mixin(key, Content {
|
||||
content: note.content,
|
||||
warning: note.summary,
|
||||
})?;
|
||||
tx.add_mixin(key, data::Object {
|
||||
kind: ObjectKind::Notelike(note.kind),
|
||||
id: Id(note.id),
|
||||
local: false,
|
||||
})?;
|
||||
|
||||
Ok(Post { key })
|
||||
})
|
||||
}
|
||||
|
||||
#[tracing::instrument(skip(cx))]
|
||||
pub async fn federate_post(cx: &Context, post: Post) -> crate::Result<()> {
|
||||
// Obtain all the data we need to construct our activity
|
||||
let (Content { content, warning }, url, author, signing_key, followers) = cx.run(|tx| try {
|
||||
let Some(AuthorOf { author, .. }) = tx.incoming(post.key).next().transpose()? else {
|
||||
panic!("can't federate post without author: {post:?}")
|
||||
};
|
||||
let signing_key = get_signing_key(tx, Actor { key: author })?;
|
||||
let (c, data::Object { id, .. }) = tx.get_mixin_many(post.key)?;
|
||||
let targets = tx.join_on::<Channel, _>(|a| a.follower, tx.incoming::<Follows>(author))?;
|
||||
(c, id, author, signing_key, targets)
|
||||
})?;
|
||||
|
||||
let activity_key = Key::gen();
|
||||
|
||||
// Insert a create activity into the database so we can serve it later
|
||||
cx.run(|tx| try {
|
||||
let id = Id(cx.mk_url(activity_key));
|
||||
tx.add_alias(activity_key, id.clone())?;
|
||||
tx.add_mixin(activity_key, data::Object {
|
||||
kind: ObjectKind::Activity(ActivityKind::Create),
|
||||
local: true,
|
||||
id,
|
||||
})?;
|
||||
tx.create(Create {
|
||||
id: activity_key,
|
||||
actor: author,
|
||||
object: post.key,
|
||||
})?;
|
||||
})?;
|
||||
|
||||
// Construct an ActivityPub message to send
|
||||
let activity = Activity {
|
||||
id: cx.mk_url(activity_key),
|
||||
actor: signing_key.owner.clone(),
|
||||
object: Box::new(Object::Note(Note {
|
||||
id: url.to_string(),
|
||||
kind: "Note".to_string(),
|
||||
author: cx.mk_url(author),
|
||||
summary: warning,
|
||||
content,
|
||||
})),
|
||||
kind: "Create".to_string(),
|
||||
};
|
||||
|
||||
for inbox in followers
|
||||
.into_iter()
|
||||
.filter_map(|(_, c)| c.map(|t| t.inbox))
|
||||
// FIXME: remove this when im done testing
|
||||
.chain(["https://crimew.gay/users/riley/inbox".to_string()])
|
||||
{
|
||||
fetch::deliver(&signing_key, &activity, &inbox).await;
|
||||
}
|
||||
|
||||
Ok(())
|
||||
}
|
||||
|
||||
/// Add a post's mixins and predicates to an existing `node`.
|
||||
pub fn mixin_post(
|
||||
tx: &Transaction<'_>,
|
||||
node: Key,
|
||||
author: Key,
|
||||
content: impl Into<Content>,
|
||||
) -> Result<Key, StoreError> {
|
||||
tx.update::<Profile>(author, |mut profile| {
|
||||
profile.post_count += 1;
|
||||
profile
|
||||
})?;
|
||||
tx.add_mixin(node, content.into())?;
|
||||
tx.create(AuthorOf { author, object: node })?;
|
||||
Ok(node)
|
||||
}
|
||||
|
||||
pub fn list_posts_by_author(db: &Store, author: Key) -> Result<Vec<(Key, Content)>, StoreError> {
|
||||
db.run(|tx| {
|
||||
let posts = tx
|
||||
.join_on(|a: AuthorOf| a.object, tx.outgoing(author))?
|
||||
.into_iter()
|
||||
.filter_map(|(k, opt)| try { (k, opt?) })
|
||||
.collect();
|
||||
Ok(posts)
|
||||
})
|
||||
}
|
||||
|
|
@ -45,7 +45,7 @@ use super::{
|
|||
types::{ArrowSpec, DataType},
|
||||
Batch, Store, Transaction,
|
||||
};
|
||||
use crate::{internal::Context as _, util::IterExt as _, Key, Result};
|
||||
use crate::{util::IterExt as _, Key, Result};
|
||||
|
||||
/// A directed edge.
|
||||
///
|
||||
|
|
@ -122,18 +122,6 @@ impl Store {
|
|||
{
|
||||
op::between::<A>(self, a, b).map_ok(A::from)
|
||||
}
|
||||
/// Construct the arrow from its identifier.
|
||||
pub fn get_arrow<A>(&self, key: Key) -> Result<Option<A>>
|
||||
where
|
||||
A: Arrow<Kind = Multi>,
|
||||
{
|
||||
let arrow = self
|
||||
.open(crate::types::MULTIEDGE_HEADERS)
|
||||
.get(key)?
|
||||
.map(|v| Key::split(v.as_ref()))
|
||||
.map(|(origin, target)| A::from(Multi { origin, target, identity: key }));
|
||||
Ok(arrow)
|
||||
}
|
||||
}
|
||||
|
||||
impl Transaction<'_> {
|
||||
|
|
@ -217,18 +205,6 @@ impl Transaction<'_> {
|
|||
{
|
||||
op::between::<A>(self, a, b).map_ok(A::from)
|
||||
}
|
||||
/// Construct the arrow from its identifier.
|
||||
pub fn get_arrow<A>(&self, key: Key) -> Result<Option<A>>
|
||||
where
|
||||
A: Arrow<Kind = Multi>,
|
||||
{
|
||||
let arrow = self
|
||||
.open(crate::types::MULTIEDGE_HEADERS)
|
||||
.get(key)?
|
||||
.map(|v| Key::split(v.as_ref()))
|
||||
.map(|(origin, target)| A::from(Multi { origin, target, identity: key }));
|
||||
Ok(arrow)
|
||||
}
|
||||
}
|
||||
|
||||
impl Batch {
|
||||
|
|
|
|||
|
|
@ -5,7 +5,7 @@ use std::sync::Arc;
|
|||
use rocksdb::{BoundColumnFamily, IteratorMode};
|
||||
|
||||
pub use self::cx::{Context, Query, Write};
|
||||
use crate::{util::IterExt as _, Result, StoreError};
|
||||
use crate::{util::IterExt as _, Error, Result};
|
||||
|
||||
/// An internal interface to a specific keyspace that exposes basic hashmap-esque operations
|
||||
/// on that keyspace, generic over whether the source of the data is a [`Transaction`] or a
|
||||
|
|
@ -41,13 +41,13 @@ where
|
|||
Ok((ref k, _)) => k.starts_with(&t),
|
||||
_ => true,
|
||||
})
|
||||
.map_err(StoreError::Internal)
|
||||
.map_err(Error::Internal)
|
||||
}
|
||||
/// List all pairs in the keyspace.
|
||||
pub fn list(&self) -> impl Iterator<Item = Result<(Box<[u8]>, Box<[u8]>)>> + 'db {
|
||||
self.context
|
||||
.full_iterator(&self.cf, IteratorMode::Start)
|
||||
.map_err(StoreError::Internal)
|
||||
.map_err(Error::Internal)
|
||||
}
|
||||
/// Execute a range scan
|
||||
pub fn range<const N: usize>(
|
||||
|
|
@ -68,7 +68,7 @@ where
|
|||
Ok((ref k, _)) => k.as_ref() < &upper,
|
||||
_ => true,
|
||||
})
|
||||
.map_err(StoreError::Internal)
|
||||
.map_err(Error::Internal)
|
||||
}
|
||||
/// Join all the keys to their values in this keyspace.
|
||||
///
|
||||
|
|
@ -106,7 +106,7 @@ mod cx {
|
|||
};
|
||||
|
||||
use super::Keyspace;
|
||||
use crate::{util::IterExt as _, Backend, Batch, Result, Store, StoreError, Transaction, OK};
|
||||
use crate::{util::IterExt as _, Backend, Batch, Error, Result, Store, Transaction, OK};
|
||||
|
||||
/// A context for executing database operations.
|
||||
pub trait Context {
|
||||
|
|
@ -173,9 +173,7 @@ mod cx {
|
|||
cf: &impl AsColumnFamilyRef,
|
||||
key: impl AsRef<[u8]>,
|
||||
) -> Result<Option<DBPinnableSlice<'a>>> {
|
||||
self.inner
|
||||
.get_pinned_cf(cf, key)
|
||||
.map_err(StoreError::Internal)
|
||||
self.inner.get_pinned_cf(cf, key).map_err(Error::Internal)
|
||||
}
|
||||
|
||||
fn prefix_iterator<'a>(
|
||||
|
|
@ -201,7 +199,7 @@ mod cx {
|
|||
self.inner
|
||||
.multi_get_cf(keys)
|
||||
.into_iter()
|
||||
.map_err(StoreError::Internal)
|
||||
.map_err(Error::Internal)
|
||||
.collect()
|
||||
}
|
||||
}
|
||||
|
|
@ -224,9 +222,7 @@ mod cx {
|
|||
cf: &impl AsColumnFamilyRef,
|
||||
key: impl AsRef<[u8]>,
|
||||
) -> Result<Option<DBPinnableSlice<'a>>> {
|
||||
self.inner
|
||||
.get_pinned_cf(cf, key)
|
||||
.map_err(StoreError::Internal)
|
||||
self.inner.get_pinned_cf(cf, key).map_err(Error::Internal)
|
||||
}
|
||||
|
||||
fn prefix_iterator<'a>(
|
||||
|
|
@ -252,14 +248,14 @@ mod cx {
|
|||
self.inner
|
||||
.multi_get_cf(keys)
|
||||
.into_iter()
|
||||
.map_err(StoreError::Internal)
|
||||
.map_err(Error::Internal)
|
||||
.collect()
|
||||
}
|
||||
}
|
||||
|
||||
impl Write for Transaction<'_> {
|
||||
fn delete(&self, cf: &impl AsColumnFamilyRef, key: impl AsRef<[u8]>) -> Result<()> {
|
||||
self.inner.delete_cf(cf, key).map_err(StoreError::Internal)
|
||||
self.inner.delete_cf(cf, key).map_err(Error::Internal)
|
||||
}
|
||||
|
||||
fn put(
|
||||
|
|
@ -268,9 +264,7 @@ mod cx {
|
|||
key: impl AsRef<[u8]>,
|
||||
val: impl AsRef<[u8]>,
|
||||
) -> Result<()> {
|
||||
self.inner
|
||||
.put_cf(cf, key, val)
|
||||
.map_err(StoreError::Internal)
|
||||
self.inner.put_cf(cf, key, val).map_err(Error::Internal)
|
||||
}
|
||||
}
|
||||
|
||||
|
|
|
|||
|
|
@ -1,23 +1,35 @@
|
|||
use std::{
|
||||
fmt::{Debug, Display},
|
||||
str::FromStr,
|
||||
};
|
||||
use std::fmt::{Debug, Display};
|
||||
|
||||
use chrono::{DateTime, Utc};
|
||||
use ulid::Ulid;
|
||||
|
||||
use crate::StoreError;
|
||||
use crate::arrow::{ArrowKind, Basic, Multi};
|
||||
|
||||
/// A unique identifier for vertices in the database.
|
||||
#[derive(Clone, Copy, Eq, PartialEq, Ord, PartialOrd, Hash)]
|
||||
pub struct Key(pub(crate) [u8; 16]);
|
||||
|
||||
impl Display for Key {
|
||||
fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
|
||||
Display::fmt(&Ulid::from_bytes(self.0), f)
|
||||
}
|
||||
}
|
||||
|
||||
impl Debug for Key {
|
||||
fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
|
||||
write!(f, "Key({})", Ulid::from_bytes(self.0))
|
||||
}
|
||||
}
|
||||
|
||||
impl Key {
|
||||
/// Generate a new node identifier.
|
||||
pub fn gen() -> Key {
|
||||
Key(ulid::Ulid::new().to_bytes())
|
||||
}
|
||||
/// Get the time at which this key was generated.
|
||||
pub(crate) fn from_slice(buf: &[u8]) -> Key {
|
||||
let mut key = [0; 16];
|
||||
key.copy_from_slice(&buf);
|
||||
Key(key)
|
||||
}
|
||||
pub fn timestamp(self) -> DateTime<Utc> {
|
||||
let ms = self.to_ulid().timestamp_ms();
|
||||
DateTime::from_timestamp_millis(ms as i64).unwrap()
|
||||
|
|
@ -29,17 +41,11 @@ impl Key {
|
|||
buf[16..].copy_from_slice(&other.0);
|
||||
buf
|
||||
}
|
||||
pub(crate) fn from_slice(buf: &[u8]) -> Key {
|
||||
let mut key = [0; 16];
|
||||
key.copy_from_slice(&buf);
|
||||
Key(key)
|
||||
}
|
||||
pub(crate) fn split(buf: &[u8]) -> (Key, Key) {
|
||||
let tail = Key::from_slice(&buf[..16]);
|
||||
let head = Key::from_slice(&buf[16..]);
|
||||
(tail, head)
|
||||
}
|
||||
// TODO: This doesn't belong here lmao
|
||||
pub(crate) fn range(ts: DateTime<Utc>) -> ([u8; 16], [u8; 16]) {
|
||||
let min = Ulid::from_parts(ts.timestamp_millis() as u64, u128::MIN).to_bytes();
|
||||
let max = Ulid::from_parts(ts.timestamp_millis() as u64, u128::MAX).to_bytes();
|
||||
|
|
@ -55,25 +61,3 @@ impl AsRef<[u8]> for Key {
|
|||
&self.0
|
||||
}
|
||||
}
|
||||
|
||||
impl FromStr for Key {
|
||||
type Err = crate::StoreError;
|
||||
|
||||
fn from_str(s: &str) -> Result<Self, Self::Err> {
|
||||
s.parse::<Ulid>()
|
||||
.map(|x| Key(x.to_bytes()))
|
||||
.map_err(|err| StoreError::BadKey(err))
|
||||
}
|
||||
}
|
||||
|
||||
impl Display for Key {
|
||||
fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
|
||||
Display::fmt(&self.to_ulid(), f)
|
||||
}
|
||||
}
|
||||
|
||||
impl Debug for Key {
|
||||
fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
|
||||
write!(f, "Key({})", Ulid::from_bytes(self.0))
|
||||
}
|
||||
}
|
||||
|
|
|
|||
|
|
@ -13,9 +13,9 @@
|
|||
//! There are three interfaces to the store: the read-only [`Store`], the write-only [`Batch`] and the [`Transaction`],
|
||||
//! which allows both reads and writes.
|
||||
|
||||
use std::{cell::RefCell, future::Future, path::Path, sync::Arc};
|
||||
use std::{cell::RefCell, path::Path, sync::Arc};
|
||||
|
||||
use derive_more::{From, Display};
|
||||
use derive_more::From;
|
||||
use rocksdb::{Options, TransactionDBOptions, WriteBatchWithTransaction};
|
||||
use types::Schema;
|
||||
|
||||
|
|
@ -78,7 +78,7 @@ impl Store {
|
|||
/// changes are committed.
|
||||
pub fn run<T, E>(&self, f: impl FnOnce(&Transaction<'_>) -> Result<T, E>) -> Result<T, E>
|
||||
where
|
||||
E: From<StoreError>,
|
||||
E: From<Error>,
|
||||
{
|
||||
let tx = Transaction {
|
||||
inner: self.inner.transaction(),
|
||||
|
|
@ -90,7 +90,7 @@ impl Store {
|
|||
} else {
|
||||
tx.inner.commit()
|
||||
} {
|
||||
return Err(E::from(StoreError::Internal(e)));
|
||||
return Err(E::from(Error::Internal(e)));
|
||||
}
|
||||
r
|
||||
}
|
||||
|
|
@ -123,7 +123,7 @@ impl Store {
|
|||
/// Delete the main data store in `state_dir` if it exists.
|
||||
pub fn nuke(state_dir: impl AsRef<Path>) -> Result<()> {
|
||||
Backend::destroy(&Options::default(), state_dir.as_ref().join(STORE_NAME))
|
||||
.map_err(StoreError::Internal)
|
||||
.map_err(Error::Internal)
|
||||
}
|
||||
/// Open a store that lives until `f` returns, for testing.
|
||||
pub fn test<T>(schema: Schema, f: impl FnOnce(Store) -> T) -> T {
|
||||
|
|
@ -136,11 +136,11 @@ impl Store {
|
|||
pub const OK: Result<()> = Ok(());
|
||||
|
||||
/// Results from this component.
|
||||
pub type Result<T, E = StoreError> = std::result::Result<T, E>;
|
||||
pub type Result<T, E = Error> = std::result::Result<T, E>;
|
||||
|
||||
/// Errors from the data store.
|
||||
#[derive(From, Display, Debug)]
|
||||
pub enum StoreError {
|
||||
#[derive(From, Debug)]
|
||||
pub enum Error {
|
||||
/// The requested value was expected to exist in a particular keyspace, but does not actually
|
||||
/// exist there. This can occur on updates for example.
|
||||
Missing,
|
||||
|
|
@ -151,8 +151,6 @@ pub enum StoreError {
|
|||
/// Returned if there is a conflict; for example, if the uniqueness property of an alias would
|
||||
/// be violated by inserting one.
|
||||
Conflict,
|
||||
/// A node key couldn't be decoded.
|
||||
BadKey(ulid::DecodeError),
|
||||
/// Signals a failure related to the data store's backend.
|
||||
Internal(rocksdb::Error),
|
||||
Encoding(bincode::error::EncodeError),
|
||||
|
|
|
|||
|
|
@ -7,7 +7,7 @@ use super::{
|
|||
types::{DataType, MixinSpec},
|
||||
Batch, Store, Transaction,
|
||||
};
|
||||
use crate::{util::IterExt as _, Key, Result, StoreError};
|
||||
use crate::{util::IterExt as _, Error, Key, Result};
|
||||
|
||||
/// Mixins are the simplest pieces of data in the store.
|
||||
pub trait Mixin: DataType<Type = MixinSpec> + Encode + Decode {}
|
||||
|
|
@ -53,13 +53,6 @@ impl Store {
|
|||
{
|
||||
op::join_on(self, iter)
|
||||
}
|
||||
/// Get multiple mixins associated with the same key.
|
||||
pub fn get_mixin_many<T>(&self, key: Key) -> Result<T>
|
||||
where
|
||||
T: GetMany,
|
||||
{
|
||||
T::get(self, key)
|
||||
}
|
||||
}
|
||||
|
||||
impl Transaction<'_> {
|
||||
|
|
@ -95,7 +88,7 @@ impl Transaction<'_> {
|
|||
M: Mixin,
|
||||
{
|
||||
if op::has_mixin::<M>(self, node)? {
|
||||
return Err(StoreError::Conflict);
|
||||
return Err(Error::Conflict);
|
||||
} else {
|
||||
op::add_mixin::<M>(self, node, mixin)
|
||||
}
|
||||
|
|
@ -128,13 +121,6 @@ impl Transaction<'_> {
|
|||
{
|
||||
op::join_on(self, iter.into_iter().map_ok(f))
|
||||
}
|
||||
/// Get multiple mixins associated with the same key.
|
||||
pub fn get_mixin_many<T>(&self, key: Key) -> Result<T>
|
||||
where
|
||||
T: GetMany,
|
||||
{
|
||||
T::get(self, key)
|
||||
}
|
||||
}
|
||||
|
||||
impl Batch {
|
||||
|
|
@ -150,12 +136,6 @@ impl Batch {
|
|||
}
|
||||
}
|
||||
|
||||
/// Getting tuples of stuff.
|
||||
pub trait GetMany: Sized {
|
||||
#[doc(hidden)]
|
||||
fn get(cx: &impl crate::internal::Query, key: Key) -> Result<Self>;
|
||||
}
|
||||
|
||||
mod op {
|
||||
use std::ops::{Bound, RangeBounds};
|
||||
|
||||
|
|
@ -163,64 +143,7 @@ mod op {
|
|||
use either::Either;
|
||||
|
||||
use super::Mixin;
|
||||
use crate::{internal::*, util::IterExt as _, Key, Result, StoreError};
|
||||
|
||||
impl<A, B> super::GetMany for (A, B)
|
||||
where
|
||||
A: Mixin,
|
||||
B: Mixin,
|
||||
{
|
||||
fn get(cx: &impl Query, key: Key) -> Result<Self> {
|
||||
let ksps = [cx.open(A::SPEC.keyspace).cf, cx.open(B::SPEC.keyspace).cf];
|
||||
let mut vec = cx.multi_get(ksps.iter().map(|c| (&*c, key)));
|
||||
let b = vec.pop().ok_or(StoreError::Missing)??.unwrap();
|
||||
let a = vec.pop().ok_or(StoreError::Missing)??.unwrap();
|
||||
Ok((decode(a)?, decode(b)?))
|
||||
}
|
||||
}
|
||||
|
||||
impl<A, B, C> super::GetMany for (A, B, C)
|
||||
where
|
||||
A: Mixin,
|
||||
B: Mixin,
|
||||
C: Mixin,
|
||||
{
|
||||
fn get(cx: &impl Query, key: Key) -> Result<Self> {
|
||||
let ksps = [
|
||||
cx.open(A::SPEC.keyspace).cf,
|
||||
cx.open(B::SPEC.keyspace).cf,
|
||||
cx.open(C::SPEC.keyspace).cf,
|
||||
];
|
||||
let mut vec = cx.multi_get(ksps.iter().map(|c| (&*c, key)));
|
||||
let c = vec.pop().ok_or(StoreError::Missing)??.unwrap();
|
||||
let b = vec.pop().ok_or(StoreError::Missing)??.unwrap();
|
||||
let a = vec.pop().ok_or(StoreError::Missing)??.unwrap();
|
||||
Ok((decode(a)?, decode(b)?, decode(c)?))
|
||||
}
|
||||
}
|
||||
|
||||
impl<A, B, C, D> super::GetMany for (A, B, C, D)
|
||||
where
|
||||
A: Mixin,
|
||||
B: Mixin,
|
||||
C: Mixin,
|
||||
D: Mixin,
|
||||
{
|
||||
fn get(cx: &impl Query, key: Key) -> Result<Self> {
|
||||
let ksps = [
|
||||
cx.open(A::SPEC.keyspace).cf,
|
||||
cx.open(B::SPEC.keyspace).cf,
|
||||
cx.open(C::SPEC.keyspace).cf,
|
||||
cx.open(D::SPEC.keyspace).cf,
|
||||
];
|
||||
let mut vec = cx.multi_get(ksps.iter().map(|c| (&*c, key)));
|
||||
let d = vec.pop().ok_or(StoreError::Missing)??.unwrap();
|
||||
let c = vec.pop().ok_or(StoreError::Missing)??.unwrap();
|
||||
let b = vec.pop().ok_or(StoreError::Missing)??.unwrap();
|
||||
let a = vec.pop().ok_or(StoreError::Missing)??.unwrap();
|
||||
Ok((decode(a)?, decode(b)?, decode(c)?, decode(d)?))
|
||||
}
|
||||
}
|
||||
use crate::{internal::*, util::IterExt as _, Error, Key, Result};
|
||||
|
||||
pub fn update<M>(
|
||||
cx: &(impl Query + Write),
|
||||
|
|
@ -242,7 +165,7 @@ mod op {
|
|||
// [^1]: https://github.com/facebook/rocksdb/blob/9d37408f9af15c7a1ae42f9b94d06b27d98a011a/include/rocksdb/options.h#L128
|
||||
let tree = cx.open(M::SPEC.keyspace);
|
||||
match tree.get(node.as_ref())? {
|
||||
None => Err(StoreError::Missing),
|
||||
None => Err(Error::Missing),
|
||||
Some(buf) => {
|
||||
let new = decode(buf).map(update).and_then(encode)?;
|
||||
tree.set(node, new)
|
||||
|
|
@ -314,7 +237,7 @@ mod op {
|
|||
}
|
||||
|
||||
pub(super) fn encode(data: impl bincode::Encode) -> Result<Vec<u8>> {
|
||||
bincode::encode_to_vec(data, bincode::config::standard()).map_err(StoreError::Encoding)
|
||||
bincode::encode_to_vec(data, bincode::config::standard()).map_err(Error::Encoding)
|
||||
}
|
||||
|
||||
pub(super) fn decode<T>(data: impl AsRef<[u8]>) -> Result<T>
|
||||
|
|
@ -322,7 +245,7 @@ mod op {
|
|||
T: bincode::Decode,
|
||||
{
|
||||
bincode::decode_from_slice(data.as_ref(), bincode::config::standard())
|
||||
.map_err(StoreError::Decoding)
|
||||
.map_err(Error::Decoding)
|
||||
.map(|(v, _)| v)
|
||||
}
|
||||
}
|
||||
|
|
|
|||
|
|
@ -56,14 +56,6 @@ pub trait IterExt: Iterator + Sized {
|
|||
{
|
||||
self.filter_map(move |r| r.and_then(|x| f(x)).transpose())
|
||||
}
|
||||
/// Like [`Iterator::find`].
|
||||
fn find_ok<'a, I, E>(mut self, mut f: impl FnMut(&I) -> bool) -> Result<Option<I>, E>
|
||||
where
|
||||
Self: Iterator<Item = Result<I, E>> + 'a,
|
||||
{
|
||||
self.find(move |r| r.as_ref().is_ok_and(|x| f(x)))
|
||||
.transpose()
|
||||
}
|
||||
}
|
||||
|
||||
impl<I> IterExt for I where I: Iterator {}
|
||||
|
|
|
|||
|
|
@ -1,6 +1,6 @@
|
|||
unstable_features = true
|
||||
overflow_delimited_expr = true
|
||||
group_imports = "StdExternalCrate"
|
||||
use_field_init_shorthand = true
|
||||
reorder_modules = false
|
||||
reorder_imports = false
|
||||
struct_lit_width = 30
|
||||
|
|
|
|||
Loading…
Reference in a new issue