Implement config parsing
This commit is contained in:
commit
e062c4e8cc
4 changed files with 738 additions and 0 deletions
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.gitignore
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.gitignore
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/target
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Cargo.lock
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Cargo.lock
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# This file is automatically @generated by Cargo.
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# It is not intended for manual editing.
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version = 3
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[[package]]
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name = "autocfg"
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version = "1.1.0"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "d468802bab17cbc0cc575e9b053f41e72aa36bfa6b7f55e3529ffa43161b97fa"
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[[package]]
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||||||
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name = "bytes"
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version = "1.2.0"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "f0b3de4a0c5e67e16066a0715723abd91edc2f9001d09c46e1dca929351e130e"
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[[package]]
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name = "cfg-if"
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version = "1.0.0"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "baf1de4339761588bc0619e3cbc0120ee582ebb74b53b4efbf79117bd2da40fd"
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[[package]]
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name = "fnv"
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version = "1.0.7"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "3f9eec918d3f24069decb9af1554cad7c880e2da24a9afd88aca000531ab82c1"
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[[package]]
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name = "futures-channel"
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version = "0.3.21"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "c3083ce4b914124575708913bca19bfe887522d6e2e6d0952943f5eac4a74010"
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dependencies = [
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"futures-core",
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]
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[[package]]
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name = "futures-core"
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version = "0.3.21"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "0c09fd04b7e4073ac7156a9539b57a484a8ea920f79c7c675d05d289ab6110d3"
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[[package]]
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name = "futures-sink"
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version = "0.3.21"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "21163e139fa306126e6eedaf49ecdb4588f939600f0b1e770f4205ee4b7fa868"
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[[package]]
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name = "futures-task"
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version = "0.3.21"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "57c66a976bf5909d801bbef33416c41372779507e7a6b3a5e25e4749c58f776a"
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[[package]]
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name = "futures-util"
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version = "0.3.21"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "d8b7abd5d659d9b90c8cba917f6ec750a74e2dc23902ef9cd4cc8c8b22e6036a"
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dependencies = [
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"futures-core",
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"futures-task",
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"pin-project-lite",
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"pin-utils",
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]
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[[package]]
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name = "h2"
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version = "0.3.13"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "37a82c6d637fc9515a4694bbf1cb2457b79d81ce52b3108bdeea58b07dd34a57"
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dependencies = [
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"bytes",
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"fnv",
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"futures-core",
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"futures-sink",
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"futures-util",
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"http",
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"indexmap",
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"slab",
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"tokio",
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"tokio-util",
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"tracing",
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]
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[[package]]
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||||||
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name = "hashbrown"
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version = "0.12.3"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "8a9ee70c43aaf417c914396645a0fa852624801b24ebb7ae78fe8272889ac888"
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[[package]]
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||||||
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name = "http"
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||||||
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version = "0.2.8"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "75f43d41e26995c17e71ee126451dd3941010b0514a81a9d11f3b341debc2399"
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dependencies = [
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"bytes",
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"fnv",
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"itoa",
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]
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[[package]]
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name = "http-body"
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version = "0.4.5"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "d5f38f16d184e36f2408a55281cd658ecbd3ca05cce6d6510a176eca393e26d1"
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dependencies = [
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"bytes",
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"http",
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"pin-project-lite",
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]
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[[package]]
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||||||
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name = "httparse"
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||||||
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version = "1.7.1"
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||||||
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "496ce29bb5a52785b44e0f7ca2847ae0bb839c9bd28f69acac9b99d461c0c04c"
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[[package]]
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||||||
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name = "httpdate"
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||||||
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version = "1.0.2"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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||||||
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checksum = "c4a1e36c821dbe04574f602848a19f742f4fb3c98d40449f11bcad18d6b17421"
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[[package]]
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||||||
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name = "hyper"
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||||||
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version = "0.14.20"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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||||||
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checksum = "02c929dc5c39e335a03c405292728118860721b10190d98c2a0f0efd5baafbac"
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dependencies = [
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"bytes",
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||||||
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"futures-channel",
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||||||
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"futures-core",
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||||||
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"futures-util",
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||||||
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"h2",
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"http",
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"http-body",
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"httparse",
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"httpdate",
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"itoa",
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"pin-project-lite",
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"socket2",
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"tokio",
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"tower-service",
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"tracing",
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||||||
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"want",
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||||||
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]
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[[package]]
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||||||
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name = "indexmap"
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||||||
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version = "1.9.1"
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||||||
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source = "registry+https://github.com/rust-lang/crates.io-index"
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||||||
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checksum = "10a35a97730320ffe8e2d410b5d3b69279b98d2c14bdb8b70ea89ecf7888d41e"
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dependencies = [
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||||||
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"autocfg",
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"hashbrown",
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]
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[[package]]
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||||||
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name = "itoa"
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||||||
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version = "1.0.2"
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||||||
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source = "registry+https://github.com/rust-lang/crates.io-index"
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||||||
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checksum = "112c678d4050afce233f4f2852bb2eb519230b3cf12f33585275537d7e41578d"
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||||||
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[[package]]
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||||||
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name = "libc"
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||||||
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version = "0.2.126"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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||||||
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checksum = "349d5a591cd28b49e1d1037471617a32ddcda5731b99419008085f72d5a53836"
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||||||
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||||||
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[[package]]
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||||||
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name = "log"
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||||||
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version = "0.4.17"
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||||||
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source = "registry+https://github.com/rust-lang/crates.io-index"
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||||||
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checksum = "abb12e687cfb44aa40f41fc3978ef76448f9b6038cad6aef4259d3c095a2382e"
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||||||
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dependencies = [
|
||||||
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"cfg-if",
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]
|
||||||
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[[package]]
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||||||
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name = "memchr"
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||||||
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version = "2.5.0"
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||||||
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source = "registry+https://github.com/rust-lang/crates.io-index"
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||||||
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checksum = "2dffe52ecf27772e601905b7522cb4ef790d2cc203488bbd0e2fe85fcb74566d"
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||||||
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||||||
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[[package]]
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||||||
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name = "minimal-lexical"
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||||||
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version = "0.2.1"
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||||||
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source = "registry+https://github.com/rust-lang/crates.io-index"
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||||||
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checksum = "68354c5c6bd36d73ff3feceb05efa59b6acb7626617f4962be322a825e61f79a"
|
||||||
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|
||||||
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[[package]]
|
||||||
|
name = "mio"
|
||||||
|
version = "0.8.4"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
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checksum = "57ee1c23c7c63b0c9250c339ffdc69255f110b298b901b9f6c82547b7b87caaf"
|
||||||
|
dependencies = [
|
||||||
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"libc",
|
||||||
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"log",
|
||||||
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"wasi",
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||||||
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"windows-sys",
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||||||
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]
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||||||
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||||||
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[[package]]
|
||||||
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name = "nom"
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||||||
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version = "7.1.1"
|
||||||
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source = "registry+https://github.com/rust-lang/crates.io-index"
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||||||
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checksum = "a8903e5a29a317527874d0402f867152a3d21c908bb0b933e416c65e301d4c36"
|
||||||
|
dependencies = [
|
||||||
|
"memchr",
|
||||||
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"minimal-lexical",
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||||||
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]
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||||||
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[[package]]
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||||||
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name = "once_cell"
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||||||
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version = "1.13.0"
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||||||
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source = "registry+https://github.com/rust-lang/crates.io-index"
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||||||
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checksum = "18a6dbe30758c9f83eb00cbea4ac95966305f5a7772f3f42ebfc7fc7eddbd8e1"
|
||||||
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|
||||||
|
[[package]]
|
||||||
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name = "pin-project-lite"
|
||||||
|
version = "0.2.9"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
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checksum = "e0a7ae3ac2f1173085d398531c705756c94a4c56843785df85a60c1a0afac116"
|
||||||
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|
||||||
|
[[package]]
|
||||||
|
name = "pin-utils"
|
||||||
|
version = "0.1.0"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
checksum = "8b870d8c151b6f2fb93e84a13146138f05d02ed11c7e7c54f8826aaaf7c9f184"
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "proc-macro2"
|
||||||
|
version = "1.0.40"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
checksum = "dd96a1e8ed2596c337f8eae5f24924ec83f5ad5ab21ea8e455d3566c69fbcaf7"
|
||||||
|
dependencies = [
|
||||||
|
"unicode-ident",
|
||||||
|
]
|
||||||
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|
||||||
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[[package]]
|
||||||
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name = "proxima"
|
||||||
|
version = "0.1.0"
|
||||||
|
dependencies = [
|
||||||
|
"hyper",
|
||||||
|
"nom",
|
||||||
|
"tokio",
|
||||||
|
]
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "quote"
|
||||||
|
version = "1.0.20"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
checksum = "3bcdf212e9776fbcb2d23ab029360416bb1706b1aea2d1a5ba002727cbcab804"
|
||||||
|
dependencies = [
|
||||||
|
"proc-macro2",
|
||||||
|
]
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "slab"
|
||||||
|
version = "0.4.7"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
checksum = "4614a76b2a8be0058caa9dbbaf66d988527d86d003c11a94fbd335d7661edcef"
|
||||||
|
dependencies = [
|
||||||
|
"autocfg",
|
||||||
|
]
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "socket2"
|
||||||
|
version = "0.4.4"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
checksum = "66d72b759436ae32898a2af0a14218dbf55efde3feeb170eb623637db85ee1e0"
|
||||||
|
dependencies = [
|
||||||
|
"libc",
|
||||||
|
"winapi",
|
||||||
|
]
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "syn"
|
||||||
|
version = "1.0.98"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
checksum = "c50aef8a904de4c23c788f104b7dddc7d6f79c647c7c8ce4cc8f73eb0ca773dd"
|
||||||
|
dependencies = [
|
||||||
|
"proc-macro2",
|
||||||
|
"quote",
|
||||||
|
"unicode-ident",
|
||||||
|
]
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "tokio"
|
||||||
|
version = "1.20.0"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
checksum = "57aec3cfa4c296db7255446efb4928a6be304b431a806216105542a67b6ca82e"
|
||||||
|
dependencies = [
|
||||||
|
"autocfg",
|
||||||
|
"bytes",
|
||||||
|
"libc",
|
||||||
|
"memchr",
|
||||||
|
"mio",
|
||||||
|
"once_cell",
|
||||||
|
"pin-project-lite",
|
||||||
|
"socket2",
|
||||||
|
"tokio-macros",
|
||||||
|
"winapi",
|
||||||
|
]
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "tokio-macros"
|
||||||
|
version = "1.8.0"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
checksum = "9724f9a975fb987ef7a3cd9be0350edcbe130698af5b8f7a631e23d42d052484"
|
||||||
|
dependencies = [
|
||||||
|
"proc-macro2",
|
||||||
|
"quote",
|
||||||
|
"syn",
|
||||||
|
]
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "tokio-util"
|
||||||
|
version = "0.7.3"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
checksum = "cc463cd8deddc3770d20f9852143d50bf6094e640b485cb2e189a2099085ff45"
|
||||||
|
dependencies = [
|
||||||
|
"bytes",
|
||||||
|
"futures-core",
|
||||||
|
"futures-sink",
|
||||||
|
"pin-project-lite",
|
||||||
|
"tokio",
|
||||||
|
"tracing",
|
||||||
|
]
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "tower-service"
|
||||||
|
version = "0.3.2"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
checksum = "b6bc1c9ce2b5135ac7f93c72918fc37feb872bdc6a5533a8b85eb4b86bfdae52"
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "tracing"
|
||||||
|
version = "0.1.35"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
checksum = "a400e31aa60b9d44a52a8ee0343b5b18566b03a8321e0d321f695cf56e940160"
|
||||||
|
dependencies = [
|
||||||
|
"cfg-if",
|
||||||
|
"pin-project-lite",
|
||||||
|
"tracing-core",
|
||||||
|
]
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "tracing-core"
|
||||||
|
version = "0.1.28"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
checksum = "7b7358be39f2f274f322d2aaed611acc57f382e8eb1e5b48cb9ae30933495ce7"
|
||||||
|
dependencies = [
|
||||||
|
"once_cell",
|
||||||
|
]
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "try-lock"
|
||||||
|
version = "0.2.3"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
checksum = "59547bce71d9c38b83d9c0e92b6066c4253371f15005def0c30d9657f50c7642"
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "unicode-ident"
|
||||||
|
version = "1.0.2"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
checksum = "15c61ba63f9235225a22310255a29b806b907c9b8c964bcbd0a2c70f3f2deea7"
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "want"
|
||||||
|
version = "0.3.0"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
checksum = "1ce8a968cb1cd110d136ff8b819a556d6fb6d919363c61534f6860c7eb172ba0"
|
||||||
|
dependencies = [
|
||||||
|
"log",
|
||||||
|
"try-lock",
|
||||||
|
]
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "wasi"
|
||||||
|
version = "0.11.0+wasi-snapshot-preview1"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
checksum = "9c8d87e72b64a3b4db28d11ce29237c246188f4f51057d65a7eab63b7987e423"
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "winapi"
|
||||||
|
version = "0.3.9"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
checksum = "5c839a674fcd7a98952e593242ea400abe93992746761e38641405d28b00f419"
|
||||||
|
dependencies = [
|
||||||
|
"winapi-i686-pc-windows-gnu",
|
||||||
|
"winapi-x86_64-pc-windows-gnu",
|
||||||
|
]
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "winapi-i686-pc-windows-gnu"
|
||||||
|
version = "0.4.0"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
checksum = "ac3b87c63620426dd9b991e5ce0329eff545bccbbb34f3be09ff6fb6ab51b7b6"
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "winapi-x86_64-pc-windows-gnu"
|
||||||
|
version = "0.4.0"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
checksum = "712e227841d057c1ee1cd2fb22fa7e5a5461ae8e48fa2ca79ec42cfc1931183f"
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "windows-sys"
|
||||||
|
version = "0.36.1"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
checksum = "ea04155a16a59f9eab786fe12a4a450e75cdb175f9e0d80da1e17db09f55b8d2"
|
||||||
|
dependencies = [
|
||||||
|
"windows_aarch64_msvc",
|
||||||
|
"windows_i686_gnu",
|
||||||
|
"windows_i686_msvc",
|
||||||
|
"windows_x86_64_gnu",
|
||||||
|
"windows_x86_64_msvc",
|
||||||
|
]
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "windows_aarch64_msvc"
|
||||||
|
version = "0.36.1"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
checksum = "9bb8c3fd39ade2d67e9874ac4f3db21f0d710bee00fe7cab16949ec184eeaa47"
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "windows_i686_gnu"
|
||||||
|
version = "0.36.1"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
checksum = "180e6ccf01daf4c426b846dfc66db1fc518f074baa793aa7d9b9aaeffad6a3b6"
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "windows_i686_msvc"
|
||||||
|
version = "0.36.1"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
checksum = "e2e7917148b2812d1eeafaeb22a97e4813dfa60a3f8f78ebe204bcc88f12f024"
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "windows_x86_64_gnu"
|
||||||
|
version = "0.36.1"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
checksum = "4dcd171b8776c41b97521e5da127a2d86ad280114807d0b2ab1e462bc764d9e1"
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "windows_x86_64_msvc"
|
||||||
|
version = "0.36.1"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
checksum = "c811ca4a8c853ef420abd8592ba53ddbbac90410fab6903b3e79972a631f7680"
|
||||||
11
Cargo.toml
Normal file
11
Cargo.toml
Normal file
|
|
@ -0,0 +1,11 @@
|
||||||
|
[package]
|
||||||
|
name = "proxima"
|
||||||
|
version = "0.1.0"
|
||||||
|
edition = "2021"
|
||||||
|
|
||||||
|
# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
|
||||||
|
|
||||||
|
[dependencies]
|
||||||
|
hyper = { version = "^0.14", features = ["full"] }
|
||||||
|
tokio = { version = "^1", features = ["macros"] }
|
||||||
|
nom = "^7"
|
||||||
275
src/main.rs
Normal file
275
src/main.rs
Normal file
|
|
@ -0,0 +1,275 @@
|
||||||
|
use std::{net::SocketAddr, convert::Infallible};
|
||||||
|
|
||||||
|
use hyper::{Client, Server, service::{make_service_fn, service_fn}, body::HttpBody, Body, Response, Request, Method, http, upgrade::{self, Upgraded}};
|
||||||
|
use tokio::net::TcpStream;
|
||||||
|
|
||||||
|
// https://github.com/hyperium/hyper/blob/master/examples/gateway.rs
|
||||||
|
// https://en.wikipedia.org/wiki/Gateway_(telecommunications)
|
||||||
|
|
||||||
|
#[tokio::main(flavor = "current_thread")]
|
||||||
|
async fn main() {
|
||||||
|
|
||||||
|
// Load and parse the configuration
|
||||||
|
let config = {
|
||||||
|
|
||||||
|
// Prefer ./config over /etc/proxima
|
||||||
|
let file = unsafe {
|
||||||
|
["./config", "/etc/proxima"]
|
||||||
|
.iter()
|
||||||
|
.map(load)
|
||||||
|
.reduce(Result::or)
|
||||||
|
.unwrap_unchecked()
|
||||||
|
};
|
||||||
|
|
||||||
|
file.map(parse)
|
||||||
|
.expect("Loading the config failed.")
|
||||||
|
|
||||||
|
};
|
||||||
|
|
||||||
|
let addr = SocketAddr::from(([127, 0, 0, 1], 8100));
|
||||||
|
}
|
||||||
|
|
||||||
|
pub struct Rule (Pattern, Effect);
|
||||||
|
|
||||||
|
impl Rule {
|
||||||
|
/// Get the domain of the pattern.
|
||||||
|
pub fn domain (&self) -> &str {
|
||||||
|
&self.0.domain
|
||||||
|
}
|
||||||
|
|
||||||
|
/// Get the portspec
|
||||||
|
pub fn ports (&self) -> &Ports {
|
||||||
|
&self.0.ports
|
||||||
|
}
|
||||||
|
|
||||||
|
pub fn effect (&self) -> &Effect {
|
||||||
|
&self.1
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
pub struct Pattern {
|
||||||
|
domain: String,
|
||||||
|
ports: Ports,
|
||||||
|
}
|
||||||
|
|
||||||
|
pub enum Effect {
|
||||||
|
Redirect (String),
|
||||||
|
Proxy {
|
||||||
|
port: u16,
|
||||||
|
ssl: bool,
|
||||||
|
},
|
||||||
|
}
|
||||||
|
|
||||||
|
impl Effect {
|
||||||
|
pub async fn perform (&self) -> std::io::Result<()> {
|
||||||
|
todo!()
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
pub enum Ports {
|
||||||
|
Single (u16),
|
||||||
|
Either (Vec<u16>),
|
||||||
|
Any
|
||||||
|
}
|
||||||
|
|
||||||
|
impl Ports {
|
||||||
|
/// Whether this set of ports includes the given port.
|
||||||
|
pub fn includes (&self, p: u16) -> bool {
|
||||||
|
match self {
|
||||||
|
Ports::Single (x) => *x == p,
|
||||||
|
Ports::Either (l) => l.contains(&p),
|
||||||
|
Ports::Any => true,
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
pub mod parse {
|
||||||
|
|
||||||
|
use super::{ Ports, Effect, Pattern, Rule };
|
||||||
|
use nom::{
|
||||||
|
sequence as seq,
|
||||||
|
multi as mul,
|
||||||
|
character::complete as chr,
|
||||||
|
bytes::complete::{self as byt, tag, take_till},
|
||||||
|
Parser, error::ParseError, combinator::opt,
|
||||||
|
};
|
||||||
|
|
||||||
|
pub type PResult<'i, T> = nom::IResult<&'i str, T>;
|
||||||
|
|
||||||
|
fn around <I, O, P, E, A, B> (a: A, b: B) -> impl Parser<I, O, E>
|
||||||
|
where E: ParseError<I>,
|
||||||
|
A: Parser<I, P, E> + Clone,
|
||||||
|
B: Parser<I, O, E>,
|
||||||
|
{
|
||||||
|
seq::delimited(a.clone(), b, a)
|
||||||
|
}
|
||||||
|
|
||||||
|
/// Parse a [`Portspec`].
|
||||||
|
pub (super) fn portspec (s: &str) -> PResult<'_, Ports> {
|
||||||
|
let single = chr::u16;
|
||||||
|
let either = {
|
||||||
|
let delim = around(chr::space1, chr::char('|'));
|
||||||
|
seq::delimited(
|
||||||
|
chr::char('('),
|
||||||
|
mul::separated_list1(delim, single),
|
||||||
|
chr::char(')'),
|
||||||
|
)
|
||||||
|
};
|
||||||
|
let any = byt::tag("any");
|
||||||
|
|
||||||
|
let single = single.map(Ports::Single);
|
||||||
|
let either = either.map(Ports::Either);
|
||||||
|
let any = any.map(|_| Ports::Any);
|
||||||
|
|
||||||
|
single.or(either)
|
||||||
|
.or(any)
|
||||||
|
.parse(s)
|
||||||
|
}
|
||||||
|
|
||||||
|
/// Parse an [`Effect`].
|
||||||
|
pub fn effect (s: &str) -> PResult<'_, Effect> {
|
||||||
|
|
||||||
|
let redirect = {
|
||||||
|
let spaced = |x| seq::delimited(chr::space1, x, chr::space1);
|
||||||
|
let internal = domain;
|
||||||
|
|
||||||
|
seq::preceded(
|
||||||
|
spaced(tag("==>")),
|
||||||
|
internal,
|
||||||
|
).map(Effect::Redirect)
|
||||||
|
};
|
||||||
|
|
||||||
|
let proxy = {
|
||||||
|
let spaced = |x| seq::delimited(chr::space1, x, chr::space1);
|
||||||
|
let ssl = opt(seq::delimited(
|
||||||
|
seq::preceded(chr::space1, chr::char('[')),
|
||||||
|
tag("ssl"),
|
||||||
|
chr::char(']'),
|
||||||
|
)).map(|o| o.is_some());
|
||||||
|
let internal = seq::terminated(chr::u16, chr::space0);
|
||||||
|
|
||||||
|
seq::preceded(
|
||||||
|
spaced(tag("-->")),
|
||||||
|
internal.and(ssl),
|
||||||
|
).map(|(port, ssl)| Effect::Proxy { ssl, port })
|
||||||
|
};
|
||||||
|
|
||||||
|
redirect.or(proxy)
|
||||||
|
.parse(s)
|
||||||
|
|
||||||
|
}
|
||||||
|
|
||||||
|
fn domain (s: &str) -> PResult<'_, String> {
|
||||||
|
take_till(|c: char| !(c == '.' || c.is_alphanumeric()))
|
||||||
|
.map(str::to_string)
|
||||||
|
.parse(s)
|
||||||
|
}
|
||||||
|
|
||||||
|
/// Parse a [`Pattern`].
|
||||||
|
///
|
||||||
|
/// ```
|
||||||
|
/// use proxima::parse;
|
||||||
|
///
|
||||||
|
/// # fn main () -> parse::PResult<'static, ()> {
|
||||||
|
/// let (_, pattern) = parse::pattern("example.com : any")?;
|
||||||
|
/// # Ok ("", ())
|
||||||
|
/// # }
|
||||||
|
/// ```
|
||||||
|
pub fn pattern (s: &str) -> PResult<'_, Pattern> {
|
||||||
|
let spaced = |x| seq::delimited(chr::char(' '), x, chr::char(' '));
|
||||||
|
seq::separated_pair(domain, spaced(chr::char(':')), portspec)
|
||||||
|
.map(|(domain, ports)| Pattern { domain, ports })
|
||||||
|
.parse(s)
|
||||||
|
}
|
||||||
|
|
||||||
|
/// Parse a [`Rule`].
|
||||||
|
pub fn rule (s: &str) -> PResult<'_, Rule> {
|
||||||
|
pattern.and(effect)
|
||||||
|
.map(|(p, e)| Rule (p, e))
|
||||||
|
.parse(s)
|
||||||
|
}
|
||||||
|
|
||||||
|
#[cfg(test)]
|
||||||
|
mod tests {
|
||||||
|
|
||||||
|
use super::*;
|
||||||
|
|
||||||
|
/// Test whether a pattern containing an Any portspec gets parsed
|
||||||
|
/// correctly.
|
||||||
|
#[test]
|
||||||
|
fn simple_pattern () {
|
||||||
|
let input = "example.com : any";
|
||||||
|
let (_, Pattern { domain, ports }) = pattern(input).unwrap();
|
||||||
|
assert!(domain == "example.com");
|
||||||
|
assert!(match ports {
|
||||||
|
Ports::Any => true,
|
||||||
|
_ => false,
|
||||||
|
})
|
||||||
|
}
|
||||||
|
|
||||||
|
/// Test whether an Either portspec is parsed correctly.
|
||||||
|
#[test]
|
||||||
|
fn either_portspec () {
|
||||||
|
let input = "(69 | 420)";
|
||||||
|
assert!(match portspec(input).unwrap() {
|
||||||
|
("", Ports::Either(p)) => p == [69, 420],
|
||||||
|
_ => false,
|
||||||
|
})
|
||||||
|
}
|
||||||
|
|
||||||
|
/// Test whether domain names are parsed correctly.
|
||||||
|
#[test]
|
||||||
|
fn domains () {
|
||||||
|
let inputs = ["example.com", "im.badat.dev", "riley.lgbt", "toot.site", "a.b.c.d.e.f.g.h"];
|
||||||
|
// Each of these should be considered valid
|
||||||
|
for input in inputs {
|
||||||
|
domain(input).unwrap();
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
/// Test whether a simple rule gets parsed correctly.
|
||||||
|
#[test]
|
||||||
|
fn simple_rule () {
|
||||||
|
let input = "example.gay : any --> 3000";
|
||||||
|
let (_, Rule (_, effect)) = rule(input).unwrap();
|
||||||
|
assert!(match effect {
|
||||||
|
Effect::Proxy { port: 3000, ssl } if !ssl => true,
|
||||||
|
_ => false,
|
||||||
|
});
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
}
|
||||||
|
|
||||||
|
/// A config consists of a set if [`Rule`].
|
||||||
|
pub struct Config (Vec<Rule>);
|
||||||
|
|
||||||
|
/// Load a config from a path.
|
||||||
|
pub fn load (p: impl AsRef<std::path::Path>) -> std::io::Result<String> {
|
||||||
|
std::fs::read_to_string(p.as_ref())
|
||||||
|
}
|
||||||
|
|
||||||
|
/// Parse a config string.
|
||||||
|
///
|
||||||
|
/// Example config string:
|
||||||
|
///
|
||||||
|
/// ```text
|
||||||
|
/// hmt.riley.lgbt : (80 | 443) --> 6000 # --> is proxy_pass
|
||||||
|
/// riley.lgbt : (80 | 443) --> 3000 [ssl] # add [ssl] to automate ssl for this domain
|
||||||
|
/// rly.cx : any ==> riley.lgbt # ==> is HTTP redirect
|
||||||
|
/// ```
|
||||||
|
pub fn parse (data: String) -> Config {
|
||||||
|
let rules = data
|
||||||
|
.lines()
|
||||||
|
.map(parse::rule)
|
||||||
|
.filter_map(|x| match x {
|
||||||
|
Ok ((_, rule)) => Some (rule),
|
||||||
|
Err (e) => {
|
||||||
|
eprintln!("Error parsing rule: {:?}", e);
|
||||||
|
None
|
||||||
|
},
|
||||||
|
})
|
||||||
|
.collect();
|
||||||
|
|
||||||
|
Config (rules)
|
||||||
|
}
|
||||||
Loading…
Reference in a new issue