Fetching content from HTTPS using `rustls` (#2024)
* Fetching https * Fetching dispatcher (HTTP, HTTPS) * Fetching from github * Chunked encoding parser * Abort support * Fixing tests and review comments * Cargo.lock order [ci skip] * Relaxed -> SeqCst
This commit is contained in:
Tomasz Drwięga
Arkadiy Paronyan
parent
c0b097832b
commit
59f18ab958
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@ -79,6 +79,11 @@ dependencies = [
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"syntex_syntax 0.42.0 (registry+https://github.com/rust-lang/crates.io-index)",
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]
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[[package]]
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name = "base64"
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version = "0.2.1"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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[[package]]
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name = "bigint"
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version = "0.1.0"
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@ -307,6 +312,7 @@ dependencies = [
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"ethabi 0.2.2 (registry+https://github.com/rust-lang/crates.io-index)",
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"ethcore-rpc 1.4.0",
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"ethcore-util 1.4.0",
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"https-fetch 0.1.0",
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"hyper 0.9.4 (git+https://github.com/ethcore/hyper)",
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"jsonrpc-core 3.0.0 (registry+https://github.com/rust-lang/crates.io-index)",
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"jsonrpc-http-server 6.1.0 (git+https://github.com/ethcore/jsonrpc-http-server.git)",
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@ -661,6 +667,15 @@ name = "httparse"
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version = "1.1.2"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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[[package]]
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name = "https-fetch"
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version = "0.1.0"
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dependencies = [
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"log 0.3.6 (registry+https://github.com/rust-lang/crates.io-index)",
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"mio 0.5.1 (git+https://github.com/ethcore/mio?branch=v0.5.x)",
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"rustls 0.1.1 (git+https://github.com/ctz/rustls)",
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]
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[[package]]
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name = "hyper"
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version = "0.9.4"
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@ -1311,6 +1326,15 @@ name = "regex-syntax"
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version = "0.3.1"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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[[package]]
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name = "ring"
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version = "0.3.1"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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dependencies = [
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"lazy_static 0.2.1 (registry+https://github.com/rust-lang/crates.io-index)",
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"untrusted 0.3.1 (registry+https://github.com/rust-lang/crates.io-index)",
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]
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[[package]]
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name = "rlp"
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version = "0.1.0"
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@ -1386,6 +1410,19 @@ dependencies = [
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"semver 0.1.20 (registry+https://github.com/rust-lang/crates.io-index)",
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]
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[[package]]
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name = "rustls"
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version = "0.1.1"
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source = "git+https://github.com/ctz/rustls#a9c5a79f49337e22ac05bb1ea114240bdbe0fdd2"
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dependencies = [
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"base64 0.2.1 (registry+https://github.com/rust-lang/crates.io-index)",
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"log 0.3.6 (registry+https://github.com/rust-lang/crates.io-index)",
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"ring 0.3.1 (registry+https://github.com/rust-lang/crates.io-index)",
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"time 0.1.35 (registry+https://github.com/rust-lang/crates.io-index)",
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"untrusted 0.3.1 (registry+https://github.com/rust-lang/crates.io-index)",
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"webpki 0.2.2 (registry+https://github.com/rust-lang/crates.io-index)",
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]
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[[package]]
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name = "semver"
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version = "0.1.20"
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@ -1678,6 +1715,11 @@ name = "unicode-xid"
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version = "0.0.3"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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[[package]]
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name = "untrusted"
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version = "0.3.1"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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[[package]]
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name = "url"
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version = "1.2.0"
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@ -1719,6 +1761,17 @@ name = "void"
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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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[[package]]
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name = "webpki"
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version = "0.2.2"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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dependencies = [
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"ring 0.3.1 (registry+https://github.com/rust-lang/crates.io-index)",
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"rustc-serialize 0.3.19 (registry+https://github.com/rust-lang/crates.io-index)",
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"time 0.1.35 (registry+https://github.com/rust-lang/crates.io-index)",
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"untrusted 0.3.1 (registry+https://github.com/rust-lang/crates.io-index)",
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]
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[[package]]
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name = "winapi"
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version = "0.2.6"
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@ -1786,6 +1839,7 @@ dependencies = [
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"checksum arrayvec 0.3.16 (registry+https://github.com/rust-lang/crates.io-index)" = "16e3bdb2f54b3ace0285975d59a97cf8ed3855294b2b6bc651fcf22a9c352975"
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"checksum aster 0.17.0 (registry+https://github.com/rust-lang/crates.io-index)" = "07d344974f0a155f091948aa389fb1b912d3a58414fbdb9c8d446d193ee3496a"
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"checksum aster 0.25.0 (registry+https://github.com/rust-lang/crates.io-index)" = "4df293303e8a52e1df7984ac1415e195f5fcbf51e4bb7bda54557861a3954a08"
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"checksum base64 0.2.1 (registry+https://github.com/rust-lang/crates.io-index)" = "2015e3793554aa5b6007e3a72959e84c1070039e74f13dde08fa64afe1ddd892"
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"checksum bit-set 0.4.0 (registry+https://github.com/rust-lang/crates.io-index)" = "d9bf6104718e80d7b26a68fdbacff3481cfc05df670821affc7e9cbc1884400c"
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"checksum bit-vec 0.4.3 (registry+https://github.com/rust-lang/crates.io-index)" = "5b97c2c8e8bbb4251754f559df8af22fb264853c7d009084a576cdf12565089d"
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"checksum bitflags 0.4.0 (registry+https://github.com/rust-lang/crates.io-index)" = "8dead7461c1127cf637931a1e50934eb6eee8bff2f74433ac7909e9afcee04a3"
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@ -1804,7 +1858,7 @@ dependencies = [
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"checksum deque 0.3.1 (registry+https://github.com/rust-lang/crates.io-index)" = "1614659040e711785ed8ea24219140654da1729f3ec8a47a9719d041112fe7bf"
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"checksum docopt 0.6.80 (registry+https://github.com/rust-lang/crates.io-index)" = "4cc0acb4ce0828c6a5a11d47baa432fe885881c27428c3a4e473e454ffe57a76"
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"checksum dtoa 0.2.2 (registry+https://github.com/rust-lang/crates.io-index)" = "0dd841b58510c9618291ffa448da2e4e0f699d984d436122372f446dae62263d"
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"checksum elastic-array 0.4.0 (git+https://github.com/ethcore/elastic-array)" = "<none>"
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"checksum elastic-array 0.5.0 (registry+https://github.com/rust-lang/crates.io-index)" = "4bc9250a632e7c001b741eb0ec6cee93c9a5b6d5f1879696a4b94d62b012210a"
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"checksum env_logger 0.3.3 (registry+https://github.com/rust-lang/crates.io-index)" = "aba65b63ffcc17ffacd6cf5aa843da7c5a25e3bd4bbe0b7def8b214e411250e5"
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"checksum eth-secp256k1 0.5.4 (git+https://github.com/ethcore/rust-secp256k1)" = "<none>"
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"checksum ethabi 0.2.2 (registry+https://github.com/rust-lang/crates.io-index)" = "f7b0c53453517f620847be51943db329276ae52f2e210cfc659e81182864be2f"
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@ -1885,6 +1939,7 @@ dependencies = [
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"checksum rayon 0.3.1 (registry+https://github.com/rust-lang/crates.io-index)" = "941deb43a6254b9867fec1e0caeda38a2ad905ab18c57f7c68c396ca68998c07"
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"checksum regex 0.1.68 (registry+https://github.com/rust-lang/crates.io-index)" = "b4329b8928a284580a1c63ec9d846b12f6d3472317243ff7077aff11f23f2b29"
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"checksum regex-syntax 0.3.1 (registry+https://github.com/rust-lang/crates.io-index)" = "841591b1e05609a643e3b4d0045fce04f701daba7151ddcd3ad47b080693d5a9"
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"checksum ring 0.3.1 (registry+https://github.com/rust-lang/crates.io-index)" = "d059a6a96d3be79042e3f70eb97945912839265f9d8ab45b921abaf266c70dbb"
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"checksum rocksdb 0.4.5 (git+https://github.com/ethcore/rust-rocksdb)" = "<none>"
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"checksum rocksdb-sys 0.3.0 (git+https://github.com/ethcore/rust-rocksdb)" = "<none>"
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"checksum rotor 0.6.3 (git+https://github.com/ethcore/rotor)" = "<none>"
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@ -1892,6 +1947,7 @@ dependencies = [
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"checksum rust-crypto 0.2.36 (registry+https://github.com/rust-lang/crates.io-index)" = "f76d05d3993fd5f4af9434e8e436db163a12a9d40e1a58a726f27a01dfd12a2a"
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"checksum rustc-serialize 0.3.19 (registry+https://github.com/rust-lang/crates.io-index)" = "6159e4e6e559c81bd706afe9c8fd68f547d3e851ce12e76b1de7914bab61691b"
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"checksum rustc_version 0.1.7 (registry+https://github.com/rust-lang/crates.io-index)" = "c5f5376ea5e30ce23c03eb77cbe4962b988deead10910c372b226388b594c084"
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"checksum rustls 0.1.1 (git+https://github.com/ctz/rustls)" = "<none>"
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"checksum semver 0.1.20 (registry+https://github.com/rust-lang/crates.io-index)" = "d4f410fedcf71af0345d7607d246e7ad15faaadd49d240ee3b24e5dc21a820ac"
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"checksum semver 0.2.3 (registry+https://github.com/rust-lang/crates.io-index)" = "2d5b7638a1f03815d94e88cb3b3c08e87f0db4d683ef499d1836aaf70a45623f"
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"checksum serde 0.8.4 (registry+https://github.com/rust-lang/crates.io-index)" = "b1dfda9ebb31d29fa8b94d7eb3031a86a8dcec065f0fe268a30f98867bf45775"
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@ -1929,11 +1985,13 @@ dependencies = [
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"checksum unicode-bidi 0.2.3 (registry+https://github.com/rust-lang/crates.io-index)" = "c1f7ceb96afdfeedee42bade65a0d585a6a0106f681b6749c8ff4daa8df30b3f"
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"checksum unicode-normalization 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)" = "26643a2f83bac55f1976fb716c10234485f9202dcd65cfbdf9da49867b271172"
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"checksum unicode-xid 0.0.3 (registry+https://github.com/rust-lang/crates.io-index)" = "36dff09cafb4ec7c8cf0023eb0b686cb6ce65499116a12201c9e11840ca01beb"
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"checksum untrusted 0.3.1 (registry+https://github.com/rust-lang/crates.io-index)" = "5d9bc0e6e73a10975d1fbff8ac3541e221181b0d8998351600fb5523de634c0d"
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"checksum url 1.2.0 (registry+https://github.com/rust-lang/crates.io-index)" = "afe9ec54bc4db14bc8744b7fed060d785ac756791450959b2248443319d5b119"
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"checksum utf8-ranges 0.1.3 (registry+https://github.com/rust-lang/crates.io-index)" = "a1ca13c08c41c9c3e04224ed9ff80461d97e121589ff27c753a16cb10830ae0f"
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"checksum vecio 0.1.0 (registry+https://github.com/rust-lang/crates.io-index)" = "0795a11576d29ae80525a3fda315bf7b534f8feb9d34101e5fe63fb95bb2fd24"
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"checksum vergen 0.1.0 (registry+https://github.com/rust-lang/crates.io-index)" = "56b639f935488eb40f06d17c3e3bcc3054f6f75d264e187b1107c8d1cba8d31c"
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"checksum void 1.0.2 (registry+https://github.com/rust-lang/crates.io-index)" = "6a02e4885ed3bc0f2de90ea6dd45ebcbb66dacffe03547fadbb0eeae2770887d"
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"checksum webpki 0.2.2 (registry+https://github.com/rust-lang/crates.io-index)" = "5dc10a815fabbb0c3145c1153240528f3a8703a47e26e8dbb4a5d4f6386200ad"
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"checksum winapi 0.2.6 (registry+https://github.com/rust-lang/crates.io-index)" = "4dfaaa8fbdaa618fa6914b59b2769d690dd7521920a18d84b42d254678dd5fd4"
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"checksum winapi-build 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)" = "2d315eee3b34aca4797b2da6b13ed88266e6d612562a0c46390af8299fc699bc"
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"checksum ws 0.5.2 (git+https://github.com/ethcore/ws-rs.git?branch=mio-upstream-stable)" = "<none>"
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@ -25,6 +25,7 @@ ethabi = "0.2.2"
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linked-hash-map = "0.3"
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ethcore-rpc = { path = "../rpc" }
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ethcore-util = { path = "../util" }
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https-fetch = { path = "../util/https-fetch" }
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parity-dapps = { git = "https://github.com/ethcore/parity-ui.git", version = "1.4" }
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# List of apps
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parity-dapps-status = { git = "https://github.com/ethcore/parity-ui.git", version = "1.4" }
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@ -37,7 +38,7 @@ clippy = { version = "0.0.85", optional = true}
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serde_codegen = { version = "0.8", optional = true }
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[features]
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default = ["serde_codegen", "extra-dapps"]
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default = ["serde_codegen", "extra-dapps", "https-fetch/ca-github-only"]
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extra-dapps = ["parity-dapps-wallet"]
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nightly = ["serde_macros"]
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dev = ["clippy", "ethcore-rpc/dev", "ethcore-util/dev"]
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@ -60,7 +60,7 @@ impl ContentCache {
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ContentStatus::Fetching(ref abort) => {
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trace!(target: "dapps", "Aborting {} because of limit.", entry.0);
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// Mark as aborted
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abort.store(true, Ordering::Relaxed);
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abort.store(true, Ordering::SeqCst);
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},
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ContentStatus::Ready(ref endpoint) => {
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trace!(target: "dapps", "Removing {} because of limit.", entry.0);
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@ -19,7 +19,7 @@
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//! Uses `URLHint` to resolve addresses into Dapps bundle file location.
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use zip;
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use std::{fs, env};
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use std::{fs, env, fmt};
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use std::io::{self, Read, Write};
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use std::path::PathBuf;
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use std::sync::Arc;
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@ -147,6 +147,23 @@ pub enum ValidationError {
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HashMismatch { expected: H256, got: H256, },
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}
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impl fmt::Display for ValidationError {
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fn fmt(&self, f: &mut fmt::Formatter) -> Result<(), fmt::Error> {
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match *self {
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ValidationError::Io(ref io) => write!(f, "Unexpected IO error occured: {:?}", io),
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ValidationError::Zip(ref zip) => write!(f, "Unable to read ZIP archive: {:?}", zip),
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ValidationError::InvalidDappId => write!(f, "Dapp ID is invalid. It should be 32 bytes hash of content."),
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ValidationError::ManifestNotFound => write!(f, "Downloaded Dapp bundle did not contain valid manifest.json file."),
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ValidationError::ManifestSerialization(ref err) => {
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write!(f, "There was an error during Dapp Manifest serialization: {:?}", err)
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},
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ValidationError::HashMismatch { ref expected, ref got } => {
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write!(f, "Hash of downloaded content did not match. Expected:{:?}, Got:{:?}.", expected, got)
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},
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}
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}
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}
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impl From<io::Error> for ValidationError {
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fn from(err: io::Error) -> Self {
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ValidationError::Io(err)
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@ -202,8 +219,8 @@ impl ContentValidator for DappInstaller {
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fn validate_and_install(&self, app_path: PathBuf) -> Result<Manifest, ValidationError> {
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trace!(target: "dapps", "Opening dapp bundle at {:?}", app_path);
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let mut file = try!(fs::File::open(app_path));
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let hash = try!(sha3(&mut file));
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let mut file_reader = io::BufReader::new(try!(fs::File::open(app_path)));
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let hash = try!(sha3(&mut file_reader));
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let dapp_id = try!(self.dapp_id.as_str().parse().map_err(|_| ValidationError::InvalidDappId));
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if dapp_id != hash {
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return Err(ValidationError::HashMismatch {
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@ -211,6 +228,7 @@ impl ContentValidator for DappInstaller {
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got: hash,
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});
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}
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let file = file_reader.into_inner();
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// Unpack archive
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let mut zip = try!(zip::ZipArchive::new(file));
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// First find manifest file
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@ -33,8 +33,9 @@ pub struct GithubApp {
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impl GithubApp {
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pub fn url(&self) -> String {
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// Since https fetcher doesn't support redirections we use direct link
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// format!("https://github.com/{}/{}/archive/{}.zip", self.account, self.repo, self.commit.to_hex())
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format!("http://github.todr.me/{}/{}/zip/{}", self.account, self.repo, self.commit.to_hex())
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format!("https://codeload.github.com/{}/{}/zip/{}", self.account, self.repo, self.commit.to_hex())
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}
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fn commit(bytes: &[u8]) -> Option<[u8;COMMIT_LEN]> {
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@ -300,6 +301,6 @@ mod tests {
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let url = app.url();
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// then
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assert_eq!(url, "http://github.todr.me/test/xyz/zip/000102030405060708090a0b0c0d0e0f10111213".to_owned());
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assert_eq!(url, "https://codeload.github.com/test/xyz/zip/000102030405060708090a0b0c0d0e0f10111213".to_owned());
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}
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}
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@ -28,6 +28,8 @@ use hyper::client::{Request, Response, DefaultTransport as HttpStream};
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use hyper::header::Connection;
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use hyper::{self, Decoder, Encoder, Next};
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use super::FetchError;
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#[derive(Debug)]
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pub enum Error {
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Aborted,
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@ -37,7 +39,7 @@ pub enum Error {
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HyperError(hyper::Error),
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}
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pub type FetchResult = Result<PathBuf, Error>;
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pub type FetchResult = Result<PathBuf, FetchError>;
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pub type OnDone = Box<Fn() + Send>;
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pub struct Fetch {
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@ -57,7 +59,7 @@ impl fmt::Debug for Fetch {
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impl Drop for Fetch {
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fn drop(&mut self) {
|
||||
let res = self.result.take().unwrap_or(Err(Error::NotStarted));
|
||||
let res = self.result.take().unwrap_or(Err(Error::NotStarted.into()));
|
||||
// Remove file if there was an error
|
||||
if res.is_err() || self.is_aborted() {
|
||||
if let Some(file) = self.file.take() {
|
||||
|
|
@ -92,10 +94,10 @@ impl Fetch {
|
|||
|
||||
impl Fetch {
|
||||
fn is_aborted(&self) -> bool {
|
||||
self.abort.load(Ordering::Relaxed)
|
||||
self.abort.load(Ordering::SeqCst)
|
||||
}
|
||||
fn mark_aborted(&mut self) -> Next {
|
||||
self.result = Some(Err(Error::Aborted));
|
||||
self.result = Some(Err(Error::Aborted.into()));
|
||||
Next::end()
|
||||
}
|
||||
}
|
||||
|
|
@ -121,7 +123,7 @@ impl hyper::client::Handler<HttpStream> for Fetch {
|
|||
return self.mark_aborted();
|
||||
}
|
||||
if *res.status() != StatusCode::Ok {
|
||||
self.result = Some(Err(Error::UnexpectedStatus(*res.status())));
|
||||
self.result = Some(Err(Error::UnexpectedStatus(*res.status()).into()));
|
||||
return Next::end();
|
||||
}
|
||||
|
||||
|
|
@ -133,7 +135,7 @@ impl hyper::client::Handler<HttpStream> for Fetch {
|
|||
read()
|
||||
},
|
||||
Err(err) => {
|
||||
self.result = Some(Err(Error::IoError(err)));
|
||||
self.result = Some(Err(Error::IoError(err).into()));
|
||||
Next::end()
|
||||
},
|
||||
}
|
||||
|
|
@ -149,7 +151,7 @@ impl hyper::client::Handler<HttpStream> for Fetch {
|
|||
Err(e) => match e.kind() {
|
||||
io::ErrorKind::WouldBlock => Next::read(),
|
||||
_ => {
|
||||
self.result = Some(Err(Error::IoError(e)));
|
||||
self.result = Some(Err(Error::IoError(e).into()));
|
||||
Next::end()
|
||||
}
|
||||
}
|
||||
|
|
@ -157,7 +159,7 @@ impl hyper::client::Handler<HttpStream> for Fetch {
|
|||
}
|
||||
|
||||
fn on_error(&mut self, err: hyper::Error) -> Next {
|
||||
self.result = Some(Err(Error::HyperError(err)));
|
||||
self.result = Some(Err(Error::HyperError(err).into()));
|
||||
Next::remove()
|
||||
}
|
||||
}
|
||||
|
|
|
|||
|
|
@ -16,7 +16,98 @@
|
|||
|
||||
//! Hyper Client Handlers
|
||||
|
||||
mod fetch_file;
|
||||
pub mod fetch_file;
|
||||
|
||||
use std::env;
|
||||
use std::sync::{mpsc, Arc};
|
||||
use std::sync::atomic::AtomicBool;
|
||||
use std::path::PathBuf;
|
||||
|
||||
use hyper;
|
||||
use https_fetch as https;
|
||||
|
||||
use random_filename;
|
||||
use self::fetch_file::{Fetch, Error as HttpFetchError};
|
||||
|
||||
pub type FetchResult = Result<PathBuf, FetchError>;
|
||||
|
||||
#[derive(Debug)]
|
||||
pub enum FetchError {
|
||||
InvalidUrl,
|
||||
Http(HttpFetchError),
|
||||
Https(https::FetchError),
|
||||
Other(String),
|
||||
}
|
||||
|
||||
impl From<HttpFetchError> for FetchError {
|
||||
fn from(e: HttpFetchError) -> Self {
|
||||
FetchError::Http(e)
|
||||
}
|
||||
}
|
||||
|
||||
pub struct Client {
|
||||
http_client: hyper::Client<Fetch>,
|
||||
https_client: https::Client,
|
||||
}
|
||||
|
||||
impl Client {
|
||||
pub fn new() -> Self {
|
||||
Client {
|
||||
http_client: hyper::Client::new().expect("Unable to initialize http client."),
|
||||
https_client: https::Client::new().expect("Unable to initialize https client."),
|
||||
}
|
||||
}
|
||||
|
||||
pub fn close(self) {
|
||||
self.http_client.close();
|
||||
self.https_client.close();
|
||||
}
|
||||
|
||||
pub fn request(&mut self, url: String, abort: Arc<AtomicBool>, on_done: Box<Fn() + Send>) -> Result<mpsc::Receiver<FetchResult>, FetchError> {
|
||||
let is_https = url.starts_with("https://");
|
||||
let url = try!(url.parse().map_err(|_| FetchError::InvalidUrl));
|
||||
trace!(target: "dapps", "Fetching from: {:?}", url);
|
||||
if is_https {
|
||||
let url = try!(Self::convert_url(url));
|
||||
|
||||
let (tx, rx) = mpsc::channel();
|
||||
let temp_path = Self::temp_path();
|
||||
let res = self.https_client.fetch_to_file(url, temp_path.clone(), abort, move |result| {
|
||||
let res = tx.send(
|
||||
result.map(|_| temp_path).map_err(FetchError::Https)
|
||||
);
|
||||
if let Err(_) = res {
|
||||
warn!("Fetch finished, but no one was listening");
|
||||
}
|
||||
on_done();
|
||||
});
|
||||
|
||||
match res {
|
||||
Ok(_) => Ok(rx),
|
||||
Err(e) => Err(FetchError::Other(format!("{:?}", e))),
|
||||
}
|
||||
} else {
|
||||
let (tx, rx) = mpsc::channel();
|
||||
let res = self.http_client.request(url, Fetch::new(tx, abort, on_done));
|
||||
|
||||
match res {
|
||||
Ok(_) => Ok(rx),
|
||||
Err(e) => Err(FetchError::Other(format!("{:?}", e))),
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
fn convert_url(url: hyper::Url) -> Result<https::Url, FetchError> {
|
||||
let host = format!("{}", try!(url.host().ok_or(FetchError::InvalidUrl)));
|
||||
let port = try!(url.port_or_known_default().ok_or(FetchError::InvalidUrl));
|
||||
https::Url::new(&host, port, url.path()).map_err(|_| FetchError::InvalidUrl)
|
||||
}
|
||||
|
||||
fn temp_path() -> PathBuf {
|
||||
let mut dir = env::temp_dir();
|
||||
dir.push(random_filename());
|
||||
dir
|
||||
}
|
||||
}
|
||||
|
||||
pub use self::fetch_file::{Fetch, FetchResult, OnDone};
|
||||
|
||||
|
|
|
|||
|
|
@ -16,18 +16,18 @@
|
|||
|
||||
//! Hyper Server Handler that fetches a file during a request (proxy).
|
||||
|
||||
use std::{fs, fmt};
|
||||
use std::fmt;
|
||||
use std::path::PathBuf;
|
||||
use std::sync::{mpsc, Arc};
|
||||
use std::sync::atomic::AtomicBool;
|
||||
use std::time::{Instant, Duration};
|
||||
|
||||
use hyper::{header, server, Decoder, Encoder, Next, Method, Control, Client};
|
||||
use hyper::{header, server, Decoder, Encoder, Next, Method, Control};
|
||||
use hyper::net::HttpStream;
|
||||
use hyper::status::StatusCode;
|
||||
|
||||
use handlers::ContentHandler;
|
||||
use handlers::client::{Fetch, FetchResult};
|
||||
use handlers::client::{Client, FetchResult};
|
||||
use apps::redirection_address;
|
||||
use apps::urlhint::GithubApp;
|
||||
use apps::manifest::Manifest;
|
||||
|
|
@ -45,7 +45,7 @@ enum FetchState {
|
|||
}
|
||||
|
||||
pub trait ContentValidator {
|
||||
type Error: fmt::Debug;
|
||||
type Error: fmt::Debug + fmt::Display;
|
||||
|
||||
fn validate_and_install(&self, app: PathBuf) -> Result<Manifest, Self::Error>;
|
||||
fn done(&self, Option<&Manifest>);
|
||||
|
|
@ -55,7 +55,7 @@ pub struct ContentFetcherHandler<H: ContentValidator> {
|
|||
abort: Arc<AtomicBool>,
|
||||
control: Option<Control>,
|
||||
status: FetchState,
|
||||
client: Option<Client<Fetch>>,
|
||||
client: Option<Client>,
|
||||
using_dapps_domains: bool,
|
||||
dapp: H,
|
||||
}
|
||||
|
|
@ -79,7 +79,7 @@ impl<H: ContentValidator> ContentFetcherHandler<H> {
|
|||
using_dapps_domains: bool,
|
||||
handler: H) -> Self {
|
||||
|
||||
let client = Client::new().expect("Failed to create a Client");
|
||||
let client = Client::new();
|
||||
ContentFetcherHandler {
|
||||
abort: abort,
|
||||
control: Some(control),
|
||||
|
|
@ -90,28 +90,19 @@ impl<H: ContentValidator> ContentFetcherHandler<H> {
|
|||
}
|
||||
}
|
||||
|
||||
fn close_client(client: &mut Option<Client<Fetch>>) {
|
||||
fn close_client(client: &mut Option<Client>) {
|
||||
client.take()
|
||||
.expect("After client is closed we are going into write, hence we can never close it again")
|
||||
.close();
|
||||
}
|
||||
|
||||
|
||||
// TODO [todr] https support
|
||||
fn fetch_app(client: &mut Client<Fetch>, app: &GithubApp, abort: Arc<AtomicBool>, control: Control) -> Result<mpsc::Receiver<FetchResult>, String> {
|
||||
let url = try!(app.url().parse().map_err(|e| format!("{:?}", e)));
|
||||
trace!(target: "dapps", "Fetching from: {:?}", url);
|
||||
|
||||
let (tx, rx) = mpsc::channel();
|
||||
let res = client.request(url, Fetch::new(tx, abort, Box::new(move || {
|
||||
fn fetch_app(client: &mut Client, app: &GithubApp, abort: Arc<AtomicBool>, control: Control) -> Result<mpsc::Receiver<FetchResult>, String> {
|
||||
client.request(app.url(), abort, Box::new(move || {
|
||||
trace!(target: "dapps", "Fetching finished.");
|
||||
// Ignoring control errors
|
||||
let _ = control.ready(Next::read());
|
||||
})));
|
||||
match res {
|
||||
Ok(_) => Ok(rx),
|
||||
Err(e) => Err(format!("{:?}", e)),
|
||||
}
|
||||
})).map_err(|e| format!("{:?}", e))
|
||||
}
|
||||
}
|
||||
|
||||
|
|
@ -177,13 +168,14 @@ impl<H: ContentValidator> server::Handler<HttpStream> for ContentFetcherHandler<
|
|||
trace!(target: "dapps", "Error while validating dapp: {:?}", e);
|
||||
FetchState::Error(ContentHandler::html(
|
||||
StatusCode::BadGateway,
|
||||
format!("<h1>Downloaded bundle does not contain valid app.</h1><pre>{:?}</pre>", e),
|
||||
format!("<h1>Downloaded bundle does not contain valid app.</h1><pre>{}</pre>", e),
|
||||
))
|
||||
},
|
||||
Ok(manifest) => FetchState::Done(manifest)
|
||||
};
|
||||
// Remove temporary zip file
|
||||
let _ = fs::remove_file(path);
|
||||
// TODO [todr] Uncomment me
|
||||
// let _ = fs::remove_file(path);
|
||||
(Some(state), Next::write())
|
||||
},
|
||||
Ok(Err(e)) => {
|
||||
|
|
|
|||
|
|
@ -58,6 +58,7 @@ extern crate jsonrpc_http_server;
|
|||
extern crate mime_guess;
|
||||
extern crate rustc_serialize;
|
||||
extern crate parity_dapps;
|
||||
extern crate https_fetch;
|
||||
extern crate ethcore_rpc;
|
||||
extern crate ethcore_util as util;
|
||||
extern crate linked_hash_map;
|
||||
|
|
|
|||
|
|
@ -61,6 +61,8 @@ pub fn setup_log(config: &Config) -> Result<Arc<RotatingLogger>, String> {
|
|||
let mut builder = LogBuilder::new();
|
||||
// Disable ws info logging by default.
|
||||
builder.filter(Some("ws"), LogLevelFilter::Warn);
|
||||
// Disable rustls info logging by default.
|
||||
builder.filter(Some("rustls"), LogLevelFilter::Warn);
|
||||
builder.filter(None, LogLevelFilter::Info);
|
||||
|
||||
if env::var("RUST_LOG").is_ok() {
|
||||
|
|
|
|||
|
|
@ -0,0 +1,18 @@
|
|||
[package]
|
||||
description = "HTTPS fetching library"
|
||||
homepage = "http://ethcore.io"
|
||||
license = "GPL-3.0"
|
||||
name = "https-fetch"
|
||||
version = "0.1.0"
|
||||
authors = ["Ethcore <admin@ethcore.io>"]
|
||||
|
||||
[dependencies]
|
||||
log = "0.3"
|
||||
mio = { git = "https://github.com/ethcore/mio", branch = "v0.5.x" }
|
||||
rustls = { git = "https://github.com/ctz/rustls" }
|
||||
clippy = { version = "0.0.85", optional = true}
|
||||
|
||||
[features]
|
||||
default = []
|
||||
ca-github-only = []
|
||||
dev = ["clippy"]
|
||||
|
|
@ -0,0 +1,15 @@
|
|||
extern crate https_fetch;
|
||||
|
||||
use std::io;
|
||||
use std::sync::Arc;
|
||||
use std::sync::atomic::AtomicBool;
|
||||
use https_fetch::*;
|
||||
|
||||
fn main() {
|
||||
let client = Client::new().unwrap();
|
||||
let aborted = Arc::new(AtomicBool::new(false));
|
||||
|
||||
client.fetch(Url::new("github.com", 443, "/").unwrap(), Box::new(io::stdout()), aborted, |result| {
|
||||
assert!(result.is_ok());
|
||||
}).unwrap();
|
||||
}
|
||||
File diff suppressed because it is too large
Load Diff
|
|
@ -0,0 +1,93 @@
|
|||
-----BEGIN CERTIFICATE-----
|
||||
MIIDxTCCAq2gAwIBAgIQAqxcJmoLQJuPC3nyrkYldzANBgkqhkiG9w0BAQUFADBs
|
||||
MQswCQYDVQQGEwJVUzEVMBMGA1UEChMMRGlnaUNlcnQgSW5jMRkwFwYDVQQLExB3
|
||||
d3cuZGlnaWNlcnQuY29tMSswKQYDVQQDEyJEaWdpQ2VydCBIaWdoIEFzc3VyYW5j
|
||||
ZSBFViBSb290IENBMB4XDTA2MTExMDAwMDAwMFoXDTMxMTExMDAwMDAwMFowbDEL
|
||||
MAkGA1UEBhMCVVMxFTATBgNVBAoTDERpZ2lDZXJ0IEluYzEZMBcGA1UECxMQd3d3
|
||||
LmRpZ2ljZXJ0LmNvbTErMCkGA1UEAxMiRGlnaUNlcnQgSGlnaCBBc3N1cmFuY2Ug
|
||||
RVYgUm9vdCBDQTCCASIwDQYJKoZIhvcNAQEBBQADggEPADCCAQoCggEBAMbM5XPm
|
||||
+9S75S0tMqbf5YE/yc0lSbZxKsPVlDRnogocsF9ppkCxxLeyj9CYpKlBWTrT3JTW
|
||||
PNt0OKRKzE0lgvdKpVMSOO7zSW1xkX5jtqumX8OkhPhPYlG++MXs2ziS4wblCJEM
|
||||
xChBVfvLWokVfnHoNb9Ncgk9vjo4UFt3MRuNs8ckRZqnrG0AFFoEt7oT61EKmEFB
|
||||
Ik5lYYeBQVCmeVyJ3hlKV9Uu5l0cUyx+mM0aBhakaHPQNAQTXKFx01p8VdteZOE3
|
||||
hzBWBOURtCmAEvF5OYiiAhF8J2a3iLd48soKqDirCmTCv2ZdlYTBoSUeh10aUAsg
|
||||
EsxBu24LUTi4S8sCAwEAAaNjMGEwDgYDVR0PAQH/BAQDAgGGMA8GA1UdEwEB/wQF
|
||||
MAMBAf8wHQYDVR0OBBYEFLE+w2kD+L9HAdSYJhoIAu9jZCvDMB8GA1UdIwQYMBaA
|
||||
FLE+w2kD+L9HAdSYJhoIAu9jZCvDMA0GCSqGSIb3DQEBBQUAA4IBAQAcGgaX3Nec
|
||||
nzyIZgYIVyHbIUf4KmeqvxgydkAQV8GK83rZEWWONfqe/EW1ntlMMUu4kehDLI6z
|
||||
eM7b41N5cdblIZQB2lWHmiRk9opmzN6cN82oNLFpmyPInngiK3BD41VHMWEZ71jF
|
||||
hS9OMPagMRYjyOfiZRYzy78aG6A9+MpeizGLYAiJLQwGXFK3xPkKmNEVX58Svnw2
|
||||
Yzi9RKR/5CYrCsSXaQ3pjOLAEFe4yHYSkVXySGnYvCoCWw9E1CAx2/S6cCZdkGCe
|
||||
vEsXCS+0yx5DaMkHJ8HSXPfqIbloEpw8nL+e/IBcm2PN7EeqJSdnoDfzAIJ9VNep
|
||||
+OkuE6N36B9K
|
||||
-----END CERTIFICATE-----
|
||||
-----BEGIN CERTIFICATE-----
|
||||
MIIEtjCCA56gAwIBAgIQDHmpRLCMEZUgkmFf4msdgzANBgkqhkiG9w0BAQsFADBs
|
||||
MQswCQYDVQQGEwJVUzEVMBMGA1UEChMMRGlnaUNlcnQgSW5jMRkwFwYDVQQLExB3
|
||||
d3cuZGlnaWNlcnQuY29tMSswKQYDVQQDEyJEaWdpQ2VydCBIaWdoIEFzc3VyYW5j
|
||||
ZSBFViBSb290IENBMB4XDTEzMTAyMjEyMDAwMFoXDTI4MTAyMjEyMDAwMFowdTEL
|
||||
MAkGA1UEBhMCVVMxFTATBgNVBAoTDERpZ2lDZXJ0IEluYzEZMBcGA1UECxMQd3d3
|
||||
LmRpZ2ljZXJ0LmNvbTE0MDIGA1UEAxMrRGlnaUNlcnQgU0hBMiBFeHRlbmRlZCBW
|
||||
YWxpZGF0aW9uIFNlcnZlciBDQTCCASIwDQYJKoZIhvcNAQEBBQADggEPADCCAQoC
|
||||
ggEBANdTpARR+JmmFkhLZyeqk0nQOe0MsLAAh/FnKIaFjI5j2ryxQDji0/XspQUY
|
||||
uD0+xZkXMuwYjPrxDKZkIYXLBxA0sFKIKx9om9KxjxKws9LniB8f7zh3VFNfgHk/
|
||||
LhqqqB5LKw2rt2O5Nbd9FLxZS99RStKh4gzikIKHaq7q12TWmFXo/a8aUGxUvBHy
|
||||
/Urynbt/DvTVvo4WiRJV2MBxNO723C3sxIclho3YIeSwTQyJ3DkmF93215SF2AQh
|
||||
cJ1vb/9cuhnhRctWVyh+HA1BV6q3uCe7seT6Ku8hI3UarS2bhjWMnHe1c63YlC3k
|
||||
8wyd7sFOYn4XwHGeLN7x+RAoGTMCAwEAAaOCAUkwggFFMBIGA1UdEwEB/wQIMAYB
|
||||
Af8CAQAwDgYDVR0PAQH/BAQDAgGGMB0GA1UdJQQWMBQGCCsGAQUFBwMBBggrBgEF
|
||||
BQcDAjA0BggrBgEFBQcBAQQoMCYwJAYIKwYBBQUHMAGGGGh0dHA6Ly9vY3NwLmRp
|
||||
Z2ljZXJ0LmNvbTBLBgNVHR8ERDBCMECgPqA8hjpodHRwOi8vY3JsNC5kaWdpY2Vy
|
||||
dC5jb20vRGlnaUNlcnRIaWdoQXNzdXJhbmNlRVZSb290Q0EuY3JsMD0GA1UdIAQ2
|
||||
MDQwMgYEVR0gADAqMCgGCCsGAQUFBwIBFhxodHRwczovL3d3dy5kaWdpY2VydC5j
|
||||
b20vQ1BTMB0GA1UdDgQWBBQ901Cl1qCt7vNKYApl0yHU+PjWDzAfBgNVHSMEGDAW
|
||||
gBSxPsNpA/i/RwHUmCYaCALvY2QrwzANBgkqhkiG9w0BAQsFAAOCAQEAnbbQkIbh
|
||||
hgLtxaDwNBx0wY12zIYKqPBKikLWP8ipTa18CK3mtlC4ohpNiAexKSHc59rGPCHg
|
||||
4xFJcKx6HQGkyhE6V6t9VypAdP3THYUYUN9XR3WhfVUgLkc3UHKMf4Ib0mKPLQNa
|
||||
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|
||||
1OG9d4Q3A84ytciagRpKkk47RpqF/oOi+Z6Mo8wNXrM9zwR4jxQUezKcxwCmXMS1
|
||||
oVWNWlZopCJwqjyBcdmdqEU79OX2olHdx3ti6G8MdOu42vi/hw15UJGQmxg7kVkn
|
||||
8TUoE6smftX3eg==
|
||||
-----END CERTIFICATE-----
|
||||
-----BEGIN CERTIFICATE-----
|
||||
MIIHeTCCBmGgAwIBAgIQC/20CQrXteZAwwsWyVKaJzANBgkqhkiG9w0BAQsFADB1
|
||||
MQswCQYDVQQGEwJVUzEVMBMGA1UEChMMRGlnaUNlcnQgSW5jMRkwFwYDVQQLExB3
|
||||
d3cuZGlnaWNlcnQuY29tMTQwMgYDVQQDEytEaWdpQ2VydCBTSEEyIEV4dGVuZGVk
|
||||
IFZhbGlkYXRpb24gU2VydmVyIENBMB4XDTE2MDMxMDAwMDAwMFoXDTE4MDUxNzEy
|
||||
MDAwMFowgf0xHTAbBgNVBA8MFFByaXZhdGUgT3JnYW5pemF0aW9uMRMwEQYLKwYB
|
||||
BAGCNzwCAQMTAlVTMRkwFwYLKwYBBAGCNzwCAQITCERlbGF3YXJlMRAwDgYDVQQF
|
||||
Ewc1MTU3NTUwMSQwIgYDVQQJExs4OCBDb2xpbiBQIEtlbGx5LCBKciBTdHJlZXQx
|
||||
DjAMBgNVBBETBTk0MTA3MQswCQYDVQQGEwJVUzETMBEGA1UECBMKQ2FsaWZvcm5p
|
||||
YTEWMBQGA1UEBxMNU2FuIEZyYW5jaXNjbzEVMBMGA1UEChMMR2l0SHViLCBJbmMu
|
||||
MRMwEQYDVQQDEwpnaXRodWIuY29tMIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIB
|
||||
CgKCAQEA54hc8pZclxgcupjiA/F/OZGRwm/ZlucoQGTNTKmBEgNsrn/mxhngWmPw
|
||||
bAvUaLP//T79Jc+1WXMpxMiz9PK6yZRRFuIo0d2bx423NA6hOL2RTtbnfs+y0PFS
|
||||
/YTpQSelTuq+Fuwts5v6aAweNyMcYD0HBybkkdosFoDccBNzJ92Ac8I5EVDUc3Or
|
||||
/4jSyZwzxu9kdmBlBzeHMvsqdH8SX9mNahXtXxRpwZnBiUjw36PgN+s9GLWGrafd
|
||||
02T0ux9Yzd5ezkMxukqEAQ7AKIIijvaWPAJbK/52XLhIy2vpGNylyni/DQD18bBP
|
||||
T+ZG1uv0QQP9LuY/joO+FKDOTler4wIDAQABo4IDejCCA3YwHwYDVR0jBBgwFoAU
|
||||
PdNQpdagre7zSmAKZdMh1Pj41g8wHQYDVR0OBBYEFIhcSGcZzKB2WS0RecO+oqyH
|
||||
IidbMCUGA1UdEQQeMByCCmdpdGh1Yi5jb22CDnd3dy5naXRodWIuY29tMA4GA1Ud
|
||||
DwEB/wQEAwIFoDAdBgNVHSUEFjAUBggrBgEFBQcDAQYIKwYBBQUHAwIwdQYDVR0f
|
||||
BG4wbDA0oDKgMIYuaHR0cDovL2NybDMuZGlnaWNlcnQuY29tL3NoYTItZXYtc2Vy
|
||||
dmVyLWcxLmNybDA0oDKgMIYuaHR0cDovL2NybDQuZGlnaWNlcnQuY29tL3NoYTIt
|
||||
ZXYtc2VydmVyLWcxLmNybDBLBgNVHSAERDBCMDcGCWCGSAGG/WwCATAqMCgGCCsG
|
||||
AQUFBwIBFhxodHRwczovL3d3dy5kaWdpY2VydC5jb20vQ1BTMAcGBWeBDAEBMIGI
|
||||
BggrBgEFBQcBAQR8MHowJAYIKwYBBQUHMAGGGGh0dHA6Ly9vY3NwLmRpZ2ljZXJ0
|
||||
LmNvbTBSBggrBgEFBQcwAoZGaHR0cDovL2NhY2VydHMuZGlnaWNlcnQuY29tL0Rp
|
||||
Z2lDZXJ0U0hBMkV4dGVuZGVkVmFsaWRhdGlvblNlcnZlckNBLmNydDAMBgNVHRMB
|
||||
Af8EAjAAMIIBfwYKKwYBBAHWeQIEAgSCAW8EggFrAWkAdgCkuQmQtBhYFIe7E6LM
|
||||
Z3AKPDWYBPkb37jjd80OyA3cEAAAAVNhieoeAAAEAwBHMEUCIQCHHSEY/ROK2/sO
|
||||
ljbKaNEcKWz6BxHJNPOtjSyuVnSn4QIgJ6RqvYbSX1vKLeX7vpnOfCAfS2Y8lB5R
|
||||
NMwk6us2QiAAdgBo9pj4H2SCvjqM7rkoHUz8cVFdZ5PURNEKZ6y7T0/7xAAAAVNh
|
||||
iennAAAEAwBHMEUCIQDZpd5S+3to8k7lcDeWBhiJASiYTk2rNAT26lVaM3xhWwIg
|
||||
NUqrkIODZpRg+khhp8ag65B8mu0p4JUAmkRDbiYnRvYAdwBWFAaaL9fC7NP14b1E
|
||||
sj7HRna5vJkRXMDvlJhV1onQ3QAAAVNhieqZAAAEAwBIMEYCIQDnm3WStlvE99GC
|
||||
izSx+UGtGmQk2WTokoPgo1hfiv8zIAIhAPrYeXrBgseA9jUWWoB4IvmcZtshjXso
|
||||
nT8MIG1u1zF8MA0GCSqGSIb3DQEBCwUAA4IBAQCLbNtkxuspqycq8h1EpbmAX0wM
|
||||
5DoW7hM/FVdz4LJ3Kmftyk1yd8j/PSxRrAQN2Mr/frKeK8NE1cMji32mJbBqpWtK
|
||||
/+wC+avPplBUbNpzP53cuTMF/QssxItPGNP5/OT9Aj1BxA/NofWZKh4ufV7cz3pY
|
||||
RDS4BF+EEFQ4l5GY+yp4WJA/xSvYsTHWeWxRD1/nl62/Rd9FN2NkacRVozCxRVle
|
||||
FrBHTFxqIP6kDnxiLElBrZngtY07ietaYZVLQN/ETyqLQftsf8TecwTklbjvm8NT
|
||||
JqbaIVifYwqwNN+4lRxS3F5lNlA/il12IOgbRioLI62o8G0DaEUQgHNf8vSG
|
||||
-----END CERTIFICATE-----
|
||||
|
|
@ -0,0 +1,210 @@
|
|||
// Copyright 2015, 2016 Ethcore (UK) Ltd.
|
||||
// This file is part of Parity.
|
||||
|
||||
// Parity is free software: you can redistribute it and/or modify
|
||||
// it under the terms of the GNU General Public License as published by
|
||||
// the Free Software Foundation, either version 3 of the License, or
|
||||
// (at your option) any later version.
|
||||
|
||||
// Parity is distributed in the hope that it will be useful,
|
||||
// but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||||
// GNU General Public License for more details.
|
||||
|
||||
// You should have received a copy of the GNU General Public License
|
||||
// along with Parity. If not, see <http://www.gnu.org/licenses/>.
|
||||
|
||||
use std::cell::RefCell;
|
||||
use std::{fs, str, thread};
|
||||
use std::sync::Arc;
|
||||
use std::sync::atomic::AtomicBool;
|
||||
use std::path::PathBuf;
|
||||
use std::io::{self, Write};
|
||||
use std::collections::HashMap;
|
||||
|
||||
use mio;
|
||||
use tlsclient::{TlsClient, TlsClientError};
|
||||
|
||||
use url::Url;
|
||||
|
||||
#[derive(Debug)]
|
||||
pub enum FetchError {
|
||||
InvalidAddress,
|
||||
ReadingCaCertificates,
|
||||
CaCertificates(io::Error),
|
||||
Io(io::Error),
|
||||
Notify(mio::NotifyError<ClientMessage>),
|
||||
Client(TlsClientError),
|
||||
}
|
||||
|
||||
impl From<io::Error> for FetchError {
|
||||
fn from(e: io::Error) -> Self {
|
||||
FetchError::Io(e)
|
||||
}
|
||||
}
|
||||
|
||||
impl From<mio::NotifyError<ClientMessage>> for FetchError {
|
||||
fn from(e: mio::NotifyError<ClientMessage>) -> Self {
|
||||
FetchError::Notify(e)
|
||||
}
|
||||
}
|
||||
|
||||
impl From<TlsClientError> for FetchError {
|
||||
fn from(e: TlsClientError) -> Self {
|
||||
FetchError::Client(e)
|
||||
}
|
||||
}
|
||||
|
||||
pub type FetchResult = Result<(), FetchError>;
|
||||
|
||||
pub enum ClientMessage {
|
||||
Fetch(Url, Box<io::Write + Send>, Arc<AtomicBool>, Box<FnMut(FetchResult) + Send>),
|
||||
Shutdown,
|
||||
}
|
||||
|
||||
pub struct Client {
|
||||
channel: mio::Sender<ClientMessage>,
|
||||
thread: Option<thread::JoinHandle<()>>,
|
||||
}
|
||||
|
||||
impl Drop for Client {
|
||||
fn drop(&mut self) {
|
||||
self.close_internal();
|
||||
if let Some(thread) = self.thread.take() {
|
||||
thread.join().expect("Clean shutdown.");
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
impl Client {
|
||||
pub fn new() -> Result<Self, FetchError> {
|
||||
let mut event_loop = try!(mio::EventLoop::new());
|
||||
let channel = event_loop.channel();
|
||||
|
||||
let thread = thread::spawn(move || {
|
||||
let mut client = ClientLoop {
|
||||
next_token: 0,
|
||||
sessions: HashMap::new(),
|
||||
};
|
||||
event_loop.run(&mut client).unwrap();
|
||||
});
|
||||
|
||||
Ok(Client {
|
||||
channel: channel,
|
||||
thread: Some(thread),
|
||||
})
|
||||
}
|
||||
|
||||
pub fn fetch_to_file<F: FnOnce(FetchResult) + Send + 'static>(&self, url: Url, path: PathBuf, abort: Arc<AtomicBool>, callback: F) -> Result<(), FetchError> {
|
||||
let file = try!(fs::File::create(&path));
|
||||
self.fetch(url, Box::new(file), abort, move |result| {
|
||||
if let Err(_) = result {
|
||||
// remove temporary file
|
||||
let _ = fs::remove_file(&path);
|
||||
}
|
||||
callback(result);
|
||||
})
|
||||
}
|
||||
|
||||
pub fn fetch<F: FnOnce(FetchResult) + Send + 'static>(&self, url: Url, writer: Box<io::Write + Send>, abort: Arc<AtomicBool>, callback: F) -> Result<(), FetchError> {
|
||||
let cell = RefCell::new(Some(callback));
|
||||
try!(self.channel.send(ClientMessage::Fetch(url, writer, abort, Box::new(move |res| {
|
||||
cell.borrow_mut().take().expect("Called only once.")(res);
|
||||
}))));
|
||||
Ok(())
|
||||
}
|
||||
|
||||
pub fn close(mut self) {
|
||||
self.close_internal()
|
||||
}
|
||||
|
||||
fn close_internal(&mut self) {
|
||||
if let Err(e) = self.channel.send(ClientMessage::Shutdown) {
|
||||
warn!("Error while closing client: {:?}. Already stopped?", e);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
pub struct ClientLoop {
|
||||
next_token: usize,
|
||||
sessions: HashMap<usize, TlsClient>,
|
||||
}
|
||||
|
||||
impl mio::Handler for ClientLoop {
|
||||
type Timeout = ();
|
||||
type Message = ClientMessage;
|
||||
|
||||
fn ready(&mut self, event_loop: &mut mio::EventLoop<ClientLoop>, token: mio::Token, events: mio::EventSet) {
|
||||
let utoken = token.as_usize();
|
||||
let remove = if let Some(mut tlsclient) = self.sessions.get_mut(&utoken) {
|
||||
tlsclient.ready(event_loop, token, events)
|
||||
} else {
|
||||
false
|
||||
};
|
||||
|
||||
if remove {
|
||||
self.sessions.remove(&utoken);
|
||||
}
|
||||
}
|
||||
|
||||
fn notify(&mut self, event_loop: &mut mio::EventLoop<Self>, msg: Self::Message) {
|
||||
match msg {
|
||||
ClientMessage::Shutdown => event_loop.shutdown(),
|
||||
ClientMessage::Fetch(url, writer, abort, callback) => {
|
||||
let token = self.next_token;
|
||||
self.next_token += 1;
|
||||
|
||||
if let Ok(mut tlsclient) = TlsClient::new(mio::Token(token), &url, writer, abort, callback) {
|
||||
let httpreq = format!(
|
||||
"GET {} HTTP/1.1\r\nHost: {}\r\nConnection: close\r\nAccept-Encoding: identity\r\n\r\n",
|
||||
url.path(),
|
||||
url.hostname()
|
||||
);
|
||||
let _ = tlsclient.write(httpreq.as_bytes());
|
||||
tlsclient.register(event_loop);
|
||||
|
||||
self.sessions.insert(token, tlsclient);
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
#[test]
|
||||
fn should_successfuly_fetch_a_page() {
|
||||
use std::io::{self, Cursor};
|
||||
use std::sync::{mpsc, Arc};
|
||||
use std::sync::atomic::{AtomicUsize, AtomicBool, Ordering};
|
||||
|
||||
struct Writer {
|
||||
wrote: Arc<AtomicUsize>,
|
||||
data: Cursor<Vec<u8>>,
|
||||
}
|
||||
|
||||
impl io::Write for Writer {
|
||||
fn write(&mut self, buf: &[u8]) -> io::Result<usize> {
|
||||
let res = self.data.write(buf);
|
||||
if let Ok(count) = res {
|
||||
self.wrote.fetch_add(count, Ordering::Relaxed);
|
||||
}
|
||||
res
|
||||
}
|
||||
fn flush(&mut self) -> io::Result<()> { Ok(()) }
|
||||
}
|
||||
|
||||
let client = Client::new().unwrap();
|
||||
|
||||
let wrote = Arc::new(AtomicUsize::new(0));
|
||||
let writer = Writer {
|
||||
wrote: wrote.clone(),
|
||||
data: Cursor::new(Vec::new()),
|
||||
};
|
||||
let (tx, rx) = mpsc::channel();
|
||||
client.fetch(Url::new("github.com", 443, "/").unwrap(), Box::new(writer), Arc::new(AtomicBool::new(false)), move |result| {
|
||||
assert!(result.is_ok());
|
||||
assert!(wrote.load(Ordering::Relaxed) > 0);
|
||||
tx.send(result).unwrap();
|
||||
}).unwrap();
|
||||
let _ = rx.recv().unwrap();
|
||||
}
|
||||
|
||||
|
|
@ -0,0 +1,334 @@
|
|||
// Copyright 2015, 2016 Ethcore (UK) Ltd.
|
||||
// This file is part of Parity.
|
||||
|
||||
// Parity is free software: you can redistribute it and/or modify
|
||||
// it under the terms of the GNU General Public License as published by
|
||||
// the Free Software Foundation, either version 3 of the License, or
|
||||
// (at your option) any later version.
|
||||
|
||||
// Parity is distributed in the hope that it will be useful,
|
||||
// but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||||
// GNU General Public License for more details.
|
||||
|
||||
// You should have received a copy of the GNU General Public License
|
||||
// along with Parity. If not, see <http://www.gnu.org/licenses/>.
|
||||
|
||||
//! HTTP format processor
|
||||
|
||||
use std::io::{self, Cursor, Write};
|
||||
use std::cmp;
|
||||
|
||||
#[derive(Debug, Clone, Copy, PartialEq)]
|
||||
pub enum State {
|
||||
WaitingForStatus,
|
||||
WaitingForHeaders,
|
||||
WaitingForChunk,
|
||||
WritingBody,
|
||||
WritingChunk(usize),
|
||||
Finished,
|
||||
}
|
||||
|
||||
pub struct HttpProcessor {
|
||||
state: State,
|
||||
buffer: Cursor<Vec<u8>>,
|
||||
status: Option<String>,
|
||||
headers: Vec<String>,
|
||||
body_writer: io::BufWriter<Box<io::Write>>,
|
||||
}
|
||||
|
||||
const BREAK_LEN: usize = 2;
|
||||
|
||||
impl HttpProcessor {
|
||||
pub fn new(body_writer: Box<io::Write>) -> Self {
|
||||
HttpProcessor {
|
||||
state: State::WaitingForStatus,
|
||||
buffer: Cursor::new(Vec::new()),
|
||||
status: None,
|
||||
headers: Vec::new(),
|
||||
body_writer: io::BufWriter::new(body_writer)
|
||||
}
|
||||
}
|
||||
|
||||
#[cfg(test)]
|
||||
pub fn status(&self) -> Option<&String> {
|
||||
self.status.as_ref()
|
||||
}
|
||||
|
||||
#[cfg(test)]
|
||||
pub fn headers(&self) -> &[String] {
|
||||
&self.headers
|
||||
}
|
||||
|
||||
fn find_break_index(&mut self) -> Option<usize> {
|
||||
let data = self.buffer.get_ref();
|
||||
let mut idx = 0;
|
||||
let mut got_r = false;
|
||||
// looks for \r\n in data
|
||||
for b in data {
|
||||
idx += 1;
|
||||
if got_r && b == &10u8 {
|
||||
return Some(idx);
|
||||
} else if !got_r && b == &13u8 {
|
||||
got_r = true;
|
||||
} else {
|
||||
got_r = false;
|
||||
}
|
||||
}
|
||||
None
|
||||
}
|
||||
|
||||
// Consumes bytes from internal buffer
|
||||
fn buffer_consume(&mut self, bytes: usize) {
|
||||
let bytes = cmp::min(bytes, self.buffer.get_ref().len());
|
||||
// Drain data
|
||||
self.buffer.get_mut().drain(0..bytes);
|
||||
let len = self.buffer.position();
|
||||
self.buffer.set_position(len - bytes as u64);
|
||||
}
|
||||
|
||||
fn buffer_to_string(&mut self, bytes: usize) -> String {
|
||||
let val = String::from_utf8_lossy(&self.buffer.get_ref()[0..bytes-BREAK_LEN]).into_owned();
|
||||
self.buffer_consume(bytes);
|
||||
val
|
||||
}
|
||||
|
||||
fn is_chunked(&self) -> bool {
|
||||
self.headers
|
||||
.iter()
|
||||
.find(|item| item.to_lowercase().contains("transfer-encoding: chunked"))
|
||||
.is_some()
|
||||
}
|
||||
fn set_state(&mut self, state: State) {
|
||||
self.state = state;
|
||||
trace!("Changing state to {:?}", state);
|
||||
}
|
||||
|
||||
fn process_buffer(&mut self) -> io::Result<()> {
|
||||
// consume data and perform state transitions
|
||||
loop {
|
||||
match self.state {
|
||||
State::WaitingForStatus => {
|
||||
if let Some(break_index) = self.find_break_index() {
|
||||
let status = self.buffer_to_string(break_index);
|
||||
debug!("Read status: {:?}", status);
|
||||
self.status = Some(status);
|
||||
self.set_state(State::WaitingForHeaders);
|
||||
} else {
|
||||
// wait for more data
|
||||
return Ok(());
|
||||
}
|
||||
},
|
||||
State::WaitingForHeaders => {
|
||||
match self.find_break_index() {
|
||||
// Last header - got empty line, body starts
|
||||
Some(BREAK_LEN) => {
|
||||
self.buffer_consume(BREAK_LEN);
|
||||
let is_chunked = self.is_chunked();
|
||||
self.set_state(match is_chunked {
|
||||
true => State::WaitingForChunk,
|
||||
false => State::WritingBody,
|
||||
});
|
||||
},
|
||||
Some(break_index) => {
|
||||
let header = self.buffer_to_string(break_index);
|
||||
debug!("Found header: {:?}", header);
|
||||
self.headers.push(header);
|
||||
},
|
||||
None => return Ok(()),
|
||||
}
|
||||
},
|
||||
State::WritingBody => {
|
||||
let len = self.buffer.get_ref().len();
|
||||
try!(self.body_writer.write_all(self.buffer.get_ref()));
|
||||
self.buffer_consume(len);
|
||||
return Ok(());
|
||||
},
|
||||
State::WaitingForChunk => {
|
||||
match self.find_break_index() {
|
||||
None => return Ok(()),
|
||||
// last chunk - size 0
|
||||
Some(BREAK_LEN) => {
|
||||
self.state = State::Finished;
|
||||
},
|
||||
Some(break_index) => {
|
||||
let chunk_size = self.buffer_to_string(break_index);
|
||||
self.set_state(if let Ok(size) = usize::from_str_radix(&chunk_size, 16) {
|
||||
State::WritingChunk(size)
|
||||
} else {
|
||||
warn!("Error parsing server chunked response. Invalid chunk size.");
|
||||
State::Finished
|
||||
});
|
||||
}
|
||||
}
|
||||
},
|
||||
State::WritingChunk(0) => {
|
||||
self.set_state(State::Finished);
|
||||
},
|
||||
// Buffers the data until we have a full chunk
|
||||
State::WritingChunk(left) if self.buffer.get_ref().len() >= left => {
|
||||
try!(self.body_writer.write_all(&self.buffer.get_ref()[0..left]));
|
||||
self.buffer_consume(left + BREAK_LEN);
|
||||
|
||||
self.set_state(State::WaitingForChunk);
|
||||
},
|
||||
// Wait for more data
|
||||
State::WritingChunk(_) => return Ok(()),
|
||||
// Just consume buffer
|
||||
State::Finished => {
|
||||
let len = self.buffer.get_ref().len();
|
||||
self.buffer_consume(len);
|
||||
return Ok(());
|
||||
},
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
#[cfg(test)]
|
||||
pub fn state(&self) -> State {
|
||||
self.state
|
||||
}
|
||||
}
|
||||
|
||||
impl io::Write for HttpProcessor {
|
||||
fn write(&mut self, bytes: &[u8]) -> io::Result<usize> {
|
||||
let result = self.buffer.write(bytes);
|
||||
try!(self.process_buffer());
|
||||
result
|
||||
}
|
||||
|
||||
fn flush(&mut self) -> io::Result<()> {
|
||||
self.buffer.flush().and_then(|_| {
|
||||
self.body_writer.flush()
|
||||
})
|
||||
}
|
||||
}
|
||||
|
||||
#[cfg(test)]
|
||||
mod tests {
|
||||
use std::rc::Rc;
|
||||
use std::cell::RefCell;
|
||||
use std::io::{self, Write, Cursor};
|
||||
use super::*;
|
||||
|
||||
struct Writer {
|
||||
data: Rc<RefCell<Cursor<Vec<u8>>>>,
|
||||
}
|
||||
|
||||
impl Writer {
|
||||
fn new() -> (Self, Rc<RefCell<Cursor<Vec<u8>>>>) {
|
||||
let data = Rc::new(RefCell::new(Cursor::new(Vec::new())));
|
||||
(Writer { data: data.clone() }, data)
|
||||
}
|
||||
}
|
||||
|
||||
impl Write for Writer {
|
||||
fn write(&mut self, buf: &[u8]) -> io::Result<usize> { self.data.borrow_mut().write(buf) }
|
||||
fn flush(&mut self) -> io::Result<()> { self.data.borrow_mut().flush() }
|
||||
}
|
||||
|
||||
#[test]
|
||||
fn should_be_able_to_process_status_line() {
|
||||
// given
|
||||
let mut http = HttpProcessor::new(Box::new(Cursor::new(Vec::new())));
|
||||
|
||||
// when
|
||||
let out =
|
||||
"\
|
||||
HTTP/1.1 200 OK\r\n\
|
||||
Server: Pari
|
||||
";
|
||||
http.write_all(out.as_bytes()).unwrap();
|
||||
http.flush().unwrap();
|
||||
|
||||
// then
|
||||
assert_eq!(http.status().unwrap(), "HTTP/1.1 200 OK");
|
||||
assert_eq!(http.state(), State::WaitingForHeaders);
|
||||
}
|
||||
|
||||
#[test]
|
||||
fn should_be_able_to_process_headers() {
|
||||
// given
|
||||
let mut http = HttpProcessor::new(Box::new(Cursor::new(Vec::new())));
|
||||
|
||||
// when
|
||||
let out =
|
||||
"\
|
||||
HTTP/1.1 200 OK\r\n\
|
||||
Server: Parity/1.1.1\r\n\
|
||||
Connection: close\r\n\
|
||||
Content-Length: 2\r\n\
|
||||
Content-Type: application/json\r\n\
|
||||
\r\n\
|
||||
";
|
||||
http.write_all(out.as_bytes()).unwrap();
|
||||
http.flush().unwrap();
|
||||
|
||||
// then
|
||||
assert_eq!(http.status().unwrap(), "HTTP/1.1 200 OK");
|
||||
assert_eq!(http.headers().len(), 4);
|
||||
assert_eq!(http.state(), State::WritingBody);
|
||||
}
|
||||
|
||||
#[test]
|
||||
fn should_be_able_to_consume_body() {
|
||||
// given
|
||||
let (writer, data) = Writer::new();
|
||||
let mut http = HttpProcessor::new(Box::new(writer));
|
||||
|
||||
// when
|
||||
let out =
|
||||
"\
|
||||
HTTP/1.1 200 OK\r\n\
|
||||
Server: Parity/1.1.1\r\n\
|
||||
Connection: close\r\n\
|
||||
Content-Length: 2\r\n\
|
||||
Content-Type: application/json\r\n\
|
||||
\r\n\
|
||||
Some data\
|
||||
";
|
||||
http.write_all(out.as_bytes()).unwrap();
|
||||
http.flush().unwrap();
|
||||
|
||||
// then
|
||||
assert_eq!(http.status().unwrap(), "HTTP/1.1 200 OK");
|
||||
assert_eq!(http.headers().len(), 4);
|
||||
assert_eq!(http.state(), State::WritingBody);
|
||||
assert_eq!(data.borrow().get_ref()[..], b"Some data"[..]);
|
||||
}
|
||||
|
||||
#[test]
|
||||
fn should_correctly_handle_chunked_content() {
|
||||
// given
|
||||
let (writer, data) = Writer::new();
|
||||
let mut http = HttpProcessor::new(Box::new(writer));
|
||||
|
||||
// when
|
||||
let out =
|
||||
"\
|
||||
HTTP/1.1 200 OK\r\n\
|
||||
Host: 127.0.0.1:8080\r\n\
|
||||
Transfer-Encoding: chunked\r\n\
|
||||
Connection: close\r\n\
|
||||
\r\n\
|
||||
4\r\n\
|
||||
Pari\r\n\
|
||||
3\r\n\
|
||||
ty \r\n\
|
||||
D\r\n\
|
||||
in\r\n\
|
||||
\r\n\
|
||||
chunks.\r\n\
|
||||
0\r\n\
|
||||
\r\n\
|
||||
";
|
||||
http.write_all(out.as_bytes()).unwrap();
|
||||
http.flush().unwrap();
|
||||
|
||||
// then
|
||||
assert_eq!(http.status().unwrap(), "HTTP/1.1 200 OK");
|
||||
assert_eq!(http.headers().len(), 3);
|
||||
assert_eq!(data.borrow().get_ref()[..], b"Parity in\r\n\r\nchunks."[..]);
|
||||
assert_eq!(http.state(), State::Finished);
|
||||
}
|
||||
}
|
||||
|
|
@ -0,0 +1,28 @@
|
|||
// Copyright 2015, 2016 Ethcore (UK) Ltd.
|
||||
// This file is part of Parity.
|
||||
|
||||
// Parity is free software: you can redistribute it and/or modify
|
||||
// it under the terms of the GNU General Public License as published by
|
||||
// the Free Software Foundation, either version 3 of the License, or
|
||||
// (at your option) any later version.
|
||||
|
||||
// Parity is distributed in the hope that it will be useful,
|
||||
// but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||||
// GNU General Public License for more details.
|
||||
|
||||
// You should have received a copy of the GNU General Public License
|
||||
// along with Parity. If not, see <http://www.gnu.org/licenses/>.
|
||||
|
||||
extern crate rustls;
|
||||
extern crate mio;
|
||||
#[macro_use] extern crate log;
|
||||
|
||||
mod tlsclient;
|
||||
mod client;
|
||||
mod url;
|
||||
mod http;
|
||||
|
||||
pub use self::client::{Client, FetchError, FetchResult};
|
||||
pub use self::url::{Url, UrlError};
|
||||
|
||||
|
|
@ -0,0 +1,247 @@
|
|||
// Copyright 2015, 2016 Ethcore (UK) Ltd.
|
||||
// This file is part of Parity.
|
||||
|
||||
// Parity is free software: you can redistribute it and/or modify
|
||||
// it under the terms of the GNU General Public License as published by
|
||||
// the Free Software Foundation, either version 3 of the License, or
|
||||
// (at your option) any later version.
|
||||
|
||||
// Parity is distributed in the hope that it will be useful,
|
||||
// but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||||
// GNU General Public License for more details.
|
||||
|
||||
// You should have received a copy of the GNU General Public License
|
||||
// along with Parity. If not, see <http://www.gnu.org/licenses/>.
|
||||
|
||||
use std::str;
|
||||
use std::sync::Arc;
|
||||
use std::sync::atomic::{AtomicBool, Ordering};
|
||||
use std::io::{self, Write, Read, Cursor, BufReader};
|
||||
|
||||
use mio;
|
||||
use mio::tcp::TcpStream;
|
||||
use rustls::{self, Session};
|
||||
|
||||
use url::Url;
|
||||
use http::HttpProcessor;
|
||||
use client::{FetchError, ClientLoop, FetchResult};
|
||||
|
||||
#[derive(Debug)]
|
||||
pub enum TlsClientError {
|
||||
Aborted,
|
||||
Initialization,
|
||||
UnexpectedEof,
|
||||
Connection(io::Error),
|
||||
Writer(io::Error),
|
||||
Tls(rustls::TLSError),
|
||||
}
|
||||
|
||||
/// This encapsulates the TCP-level connection, some connection
|
||||
/// state, and the underlying TLS-level session.
|
||||
pub struct TlsClient {
|
||||
abort: Arc<AtomicBool>,
|
||||
token: mio::Token,
|
||||
socket: TcpStream,
|
||||
tls_session: rustls::ClientSession,
|
||||
writer: HttpProcessor,
|
||||
error: Option<TlsClientError>,
|
||||
closing: bool,
|
||||
callback: Box<FnMut(FetchResult) + Send>,
|
||||
}
|
||||
|
||||
impl io::Write for TlsClient {
|
||||
fn write(&mut self, bytes: &[u8]) -> io::Result<usize> {
|
||||
self.tls_session.write(bytes)
|
||||
}
|
||||
|
||||
fn flush(&mut self) -> io::Result<()> {
|
||||
self.tls_session.flush()
|
||||
}
|
||||
}
|
||||
|
||||
impl io::Read for TlsClient {
|
||||
fn read(&mut self, bytes: &mut [u8]) -> io::Result<usize> {
|
||||
self.tls_session.read(bytes)
|
||||
}
|
||||
}
|
||||
|
||||
#[cfg(feature = "ca-github-only")]
|
||||
static CA_CERTS: &'static [u8] = include_bytes!("./ca-github.crt");
|
||||
#[cfg(not(feature = "ca-github-only"))]
|
||||
static CA_CERTS: &'static [u8] = include_bytes!("./ca-certificates.crt");
|
||||
|
||||
impl TlsClient {
|
||||
pub fn make_config() -> Result<Arc<rustls::ClientConfig>, FetchError> {
|
||||
let mut config = rustls::ClientConfig::new();
|
||||
let mut cursor = Cursor::new(CA_CERTS.to_vec());
|
||||
let mut reader = BufReader::new(&mut cursor);
|
||||
try!(config.root_store.add_pem_file(&mut reader).map_err(|_| FetchError::ReadingCaCertificates));
|
||||
// TODO [ToDr] client certificate?
|
||||
Ok(Arc::new(config))
|
||||
}
|
||||
|
||||
pub fn new(
|
||||
token: mio::Token,
|
||||
url: &Url,
|
||||
writer: Box<io::Write + Send>,
|
||||
abort: Arc<AtomicBool>,
|
||||
mut callback: Box<FnMut(FetchResult) + Send>,
|
||||
) -> Result<Self, FetchError> {
|
||||
let res = TlsClient::make_config().and_then(|cfg| {
|
||||
TcpStream::connect(url.address()).map(|sock| {
|
||||
(cfg, sock)
|
||||
}).map_err(Into::into)
|
||||
});
|
||||
|
||||
match res {
|
||||
Ok((cfg, sock)) => Ok(TlsClient {
|
||||
abort: abort,
|
||||
token: token,
|
||||
writer: HttpProcessor::new(writer),
|
||||
socket: sock,
|
||||
closing: false,
|
||||
error: None,
|
||||
tls_session: rustls::ClientSession::new(&cfg, url.hostname()),
|
||||
callback: callback,
|
||||
}),
|
||||
Err(e) => {
|
||||
callback(Err(e));
|
||||
Err(FetchError::Client(TlsClientError::Initialization))
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
/// Called by mio each time events we register() for happen.
|
||||
/// Return false if reregistering again.
|
||||
pub fn ready(&mut self, event_loop: &mut mio::EventLoop<ClientLoop>, token: mio::Token, events: mio::EventSet) -> bool {
|
||||
assert_eq!(token, self.token);
|
||||
|
||||
let aborted = self.is_aborted();
|
||||
if aborted {
|
||||
// do_write needs to be invoked after that
|
||||
self.tls_session.send_close_notify();
|
||||
self.error = Some(TlsClientError::Aborted);
|
||||
}
|
||||
|
||||
if events.is_readable() {
|
||||
self.do_read();
|
||||
}
|
||||
|
||||
if events.is_writable() {
|
||||
self.do_write();
|
||||
}
|
||||
|
||||
if self.is_closed() || aborted {
|
||||
trace!("Connection closed");
|
||||
let callback = &mut self.callback;
|
||||
callback(match self.error.take() {
|
||||
Some(err) => Err(err.into()),
|
||||
None => Ok(()),
|
||||
});
|
||||
|
||||
return true;
|
||||
}
|
||||
|
||||
self.reregister(event_loop);
|
||||
false
|
||||
}
|
||||
|
||||
pub fn register(&mut self, event_loop: &mut mio::EventLoop<ClientLoop>) {
|
||||
event_loop.register(
|
||||
&self.socket,
|
||||
self.token,
|
||||
self.event_set(),
|
||||
mio::PollOpt::level() | mio::PollOpt::oneshot()
|
||||
).unwrap_or_else(|e| self.error = Some(TlsClientError::Connection(e)));
|
||||
}
|
||||
|
||||
fn reregister(&mut self, event_loop: &mut mio::EventLoop<ClientLoop>) {
|
||||
event_loop.reregister(
|
||||
&self.socket,
|
||||
self.token,
|
||||
self.event_set(),
|
||||
mio::PollOpt::level() | mio::PollOpt::oneshot()
|
||||
).unwrap_or_else(|e| self.error = Some(TlsClientError::Connection(e)));
|
||||
}
|
||||
|
||||
/// We're ready to do a read.
|
||||
fn do_read(&mut self) {
|
||||
// Read TLS data. This fails if the underlying TCP connection is broken.
|
||||
let rc = self.tls_session.read_tls(&mut self.socket);
|
||||
if let Err(e) = rc {
|
||||
trace!("TLS read error: {:?}", e);
|
||||
self.closing = true;
|
||||
self.error = Some(TlsClientError::Connection(e));
|
||||
return;
|
||||
}
|
||||
|
||||
// If we're ready but there's no data: EOF.
|
||||
if rc.unwrap() == 0 {
|
||||
trace!("Unexpected EOF");
|
||||
self.error = Some(TlsClientError::UnexpectedEof);
|
||||
self.closing = true;
|
||||
return;
|
||||
}
|
||||
|
||||
// Reading some TLS data might have yielded new TLS messages to process.
|
||||
// Errors from this indicate TLS protocol problems and are fatal.
|
||||
let processed = self.tls_session.process_new_packets();
|
||||
if let Err(e) = processed {
|
||||
trace!("TLS error: {:?}", e);
|
||||
self.error = Some(TlsClientError::Tls(e));
|
||||
self.closing = true;
|
||||
return;
|
||||
}
|
||||
|
||||
// Having read some TLS data, and processed any new messages, we might have new plaintext as a result.
|
||||
// Read it and then write it to stdout.
|
||||
let mut plaintext = Vec::new();
|
||||
let rc = self.tls_session.read_to_end(&mut plaintext);
|
||||
if !plaintext.is_empty() {
|
||||
self.writer.write(&plaintext).unwrap_or_else(|e| {
|
||||
trace!("Write error: {:?}", e);
|
||||
self.error = Some(TlsClientError::Writer(e));
|
||||
0
|
||||
});
|
||||
}
|
||||
|
||||
// If that fails, the peer might have started a clean TLS-level session closure.
|
||||
if let Err(err) = rc {
|
||||
if err.kind() != io::ErrorKind::ConnectionAborted {
|
||||
self.error = Some(TlsClientError::Connection(err));
|
||||
}
|
||||
self.closing = true;
|
||||
}
|
||||
}
|
||||
|
||||
fn do_write(&mut self) {
|
||||
self.tls_session.write_tls(&mut self.socket).unwrap_or_else(|e| {
|
||||
warn!("TLS write error: {:?}", e);
|
||||
0
|
||||
});
|
||||
}
|
||||
|
||||
// Use wants_read/wants_write to register for different mio-level IO readiness events.
|
||||
fn event_set(&self) -> mio::EventSet {
|
||||
let rd = self.tls_session.wants_read();
|
||||
let wr = self.tls_session.wants_write();
|
||||
|
||||
if rd && wr {
|
||||
mio::EventSet::readable() | mio::EventSet::writable()
|
||||
} else if wr {
|
||||
mio::EventSet::writable()
|
||||
} else {
|
||||
mio::EventSet::readable()
|
||||
}
|
||||
}
|
||||
|
||||
fn is_closed(&self) -> bool {
|
||||
self.closing
|
||||
}
|
||||
|
||||
fn is_aborted(&self) -> bool {
|
||||
self.abort.load(Ordering::Relaxed)
|
||||
}
|
||||
}
|
||||
|
||||
|
|
@ -0,0 +1,81 @@
|
|||
// Copyright 2015, 2016 Ethcore (UK) Ltd.
|
||||
// This file is part of Parity.
|
||||
|
||||
// Parity is free software: you can redistribute it and/or modify
|
||||
// it under the terms of the GNU General Public License as published by
|
||||
// the Free Software Foundation, either version 3 of the License, or
|
||||
// (at your option) any later version.
|
||||
|
||||
// Parity is distributed in the hope that it will be useful,
|
||||
// but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||||
// GNU General Public License for more details.
|
||||
|
||||
// You should have received a copy of the GNU General Public License
|
||||
// along with Parity. If not, see <http://www.gnu.org/licenses/>.
|
||||
|
||||
use std::net::SocketAddr;
|
||||
|
||||
#[derive(Debug)]
|
||||
pub enum UrlError {
|
||||
InvalidAddress
|
||||
}
|
||||
|
||||
/// Build a ClientConfig from our arguments
|
||||
pub struct Url {
|
||||
address: SocketAddr,
|
||||
hostname: String,
|
||||
port: u16,
|
||||
path: String,
|
||||
}
|
||||
|
||||
impl Url {
|
||||
pub fn new(hostname: &str, port: u16, path: &str) -> Result<Self, UrlError> {
|
||||
let addr = try!(Self::lookup_ipv4(hostname, port));
|
||||
Ok(Url {
|
||||
address: addr,
|
||||
hostname: hostname.into(),
|
||||
port: port,
|
||||
path: path.into(),
|
||||
})
|
||||
}
|
||||
|
||||
fn lookup_ipv4(host: &str, port: u16) -> Result<SocketAddr, UrlError> {
|
||||
use std::net::ToSocketAddrs;
|
||||
|
||||
let addrs = try!((host, port).to_socket_addrs().map_err(|_| UrlError::InvalidAddress));
|
||||
for addr in addrs {
|
||||
if let SocketAddr::V4(_) = addr {
|
||||
return Ok(addr.clone());
|
||||
}
|
||||
}
|
||||
Err(UrlError::InvalidAddress)
|
||||
}
|
||||
|
||||
pub fn address(&self) -> &SocketAddr {
|
||||
&self.address
|
||||
}
|
||||
|
||||
pub fn hostname(&self) -> &str {
|
||||
&self.hostname
|
||||
}
|
||||
|
||||
pub fn port(&self) -> u16 {
|
||||
self.port
|
||||
}
|
||||
|
||||
pub fn path(&self) -> &str {
|
||||
&self.path
|
||||
}
|
||||
}
|
||||
|
||||
#[cfg(test)]
|
||||
#[test]
|
||||
fn should_parse_url() {
|
||||
// given
|
||||
let url = Url::new("github.com", 443, "/").unwrap();
|
||||
|
||||
assert_eq!(url.hostname(), "github.com");
|
||||
assert_eq!(url.port(), 443);
|
||||
assert_eq!(url.path(), "/");
|
||||
}
|
||||
|
|
@ -69,7 +69,7 @@ impl<T> Hashable for T where T: AsRef<[u8]> {
|
|||
}
|
||||
|
||||
/// Calculate SHA3 of given stream.
|
||||
pub fn sha3<R: io::Read>(r: &mut R) -> Result<H256, io::Error> {
|
||||
pub fn sha3(r: &mut io::BufRead) -> Result<H256, io::Error> {
|
||||
let mut output = [0u8; 32];
|
||||
let mut input = [0u8; 1024];
|
||||
let mut sha3 = Keccak::new_keccak256();
|
||||
|
|
@ -90,7 +90,7 @@ pub fn sha3<R: io::Read>(r: &mut R) -> Result<H256, io::Error> {
|
|||
#[cfg(test)]
|
||||
mod tests {
|
||||
use std::fs;
|
||||
use std::io::Write;
|
||||
use std::io::{Write, BufReader};
|
||||
use super::*;
|
||||
|
||||
#[test]
|
||||
|
|
@ -113,7 +113,7 @@ mod tests {
|
|||
file.write_all(b"something").unwrap();
|
||||
}
|
||||
|
||||
let mut file = fs::File::open(&path).unwrap();
|
||||
let mut file = BufReader::new(fs::File::open(&path).unwrap());
|
||||
// when
|
||||
let hash = sha3(&mut file).unwrap();
|
||||
|
||||
|
|
|
|||
Loading…
Reference in New Issue