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A HTTP/1.0 client does not support 'Transfer-Encoding: chunked' unless it explicitly requests it by sending a 'TE: chunked' header. Before this commit, node.js always disabled chunked encoding for HTTP/1.0 clients. Now it will scan for the TE header and turn on chunked encoding if requested and applicable. Fixes #940.
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// Copyright Joyent, Inc. and other Node contributors. | ||
// | ||
// Permission is hereby granted, free of charge, to any person obtaining a | ||
// copy of this software and associated documentation files (the | ||
// "Software"), to deal in the Software without restriction, including | ||
// without limitation the rights to use, copy, modify, merge, publish, | ||
// distribute, sublicense, and/or sell copies of the Software, and to permit | ||
// persons to whom the Software is furnished to do so, subject to the | ||
// following conditions: | ||
// | ||
// The above copyright notice and this permission notice shall be included | ||
// in all copies or substantial portions of the Software. | ||
// | ||
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS | ||
// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF | ||
// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN | ||
// NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, | ||
// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR | ||
// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE | ||
// USE OR OTHER DEALINGS IN THE SOFTWARE. | ||
|
||
var common = require('../common'); | ||
var assert = require('assert'); | ||
var http = require('http'); | ||
var net = require('net'); | ||
|
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// Check that our HTTP server correctly handles HTTP/1.0 keep-alive requests. | ||
check([{ | ||
name: 'keep-alive, no TE header', | ||
requests: [{ | ||
expectClose: true, | ||
data: 'POST / HTTP/1.0\r\n' + | ||
'Connection: keep-alive\r\n' + | ||
'\r\n' | ||
}, { | ||
expectClose: true, | ||
data: 'POST / HTTP/1.0\r\n' + | ||
'Connection: keep-alive\r\n' + | ||
'\r\n' | ||
}], | ||
responses: [{ | ||
headers: {'Connection': 'keep-alive'}, | ||
chunks: ['OK'] | ||
}, { | ||
chunks: [] | ||
}] | ||
}, { | ||
name: 'keep-alive, with TE: chunked', | ||
requests: [{ | ||
expectClose: false, | ||
data: 'POST / HTTP/1.0\r\n' + | ||
'Connection: keep-alive\r\n' + | ||
'TE: chunked\r\n' + | ||
'\r\n' | ||
}, { | ||
expectClose: true, | ||
data: 'POST / HTTP/1.0\r\n' + | ||
'\r\n' | ||
}], | ||
responses: [{ | ||
headers: {'Connection': 'keep-alive'}, | ||
chunks: ['OK'] | ||
}, { | ||
chunks: [] | ||
}] | ||
}, { | ||
name: 'keep-alive, with Transfer-Encoding: chunked', | ||
requests: [{ | ||
expectClose: false, | ||
data: 'POST / HTTP/1.0\r\n' + | ||
'Connection: keep-alive\r\n' + | ||
'\r\n' | ||
}, { | ||
expectClose: true, | ||
data: 'POST / HTTP/1.0\r\n' + | ||
'\r\n' | ||
}], | ||
responses: [{ | ||
headers: {'Connection': 'keep-alive', | ||
'Transfer-Encoding': 'chunked'}, | ||
chunks: ['OK'] | ||
}, { | ||
chunks: [] | ||
}] | ||
}, { | ||
name: 'keep-alive, with Content-Length', | ||
requests: [{ | ||
expectClose: false, | ||
data: 'POST / HTTP/1.0\r\n' + | ||
'Connection: keep-alive\r\n' + | ||
'\r\n' | ||
}, { | ||
expectClose: true, | ||
data: 'POST / HTTP/1.0\r\n' + | ||
'\r\n' | ||
}], | ||
responses: [{ | ||
headers: {'Connection': 'keep-alive', | ||
'Content-Length': '2'}, | ||
chunks: ['OK'] | ||
}, { | ||
chunks: [] | ||
}] | ||
}]); | ||
|
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function check(tests) { | ||
var test = tests[0]; | ||
if (test) http.createServer(server).listen(common.PORT, '127.0.0.1', client); | ||
var current = 0; | ||
|
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function next() { | ||
check(tests.slice(1)); | ||
} | ||
|
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function server(req, res) { | ||
if (current + 1 === test.responses.length) this.close(); | ||
var ctx = test.responses[current]; | ||
res.writeHead(200, ctx.headers); | ||
ctx.chunks.slice(0, -1).forEach(function(chunk) { res.write(chunk) }); | ||
res.end(ctx.chunks[ctx.chunks.length - 1]); | ||
} | ||
|
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function client() { | ||
if (current === test.requests.length) return next(); | ||
var conn = net.createConnection(common.PORT, '127.0.0.1', connected); | ||
|
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function connected() { | ||
var ctx = test.requests[current]; | ||
conn.setEncoding('utf8'); | ||
conn.write(ctx.data); | ||
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function onclose() { | ||
if (!ctx.expectClose) throw new Error('unexpected close'); | ||
client(); | ||
} | ||
conn.on('close', onclose); | ||
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function ondata(s) { | ||
current++; | ||
if (ctx.expectClose) return; | ||
conn.removeListener('close', onclose); | ||
conn.removeListener('data', ondata);; | ||
connected(); | ||
} | ||
conn.on('data', ondata); | ||
} | ||
} | ||
} |