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http2: allow Host in HTTP/2 requests
The HTTP/2 spec allows Host to be used instead of :authority in requests, and this is in fact *preferred* when converting from HTTP/1. We erroneously treated Host as a connection header, thus disallowing it in requests. The patch corrects this, aligning Node.js behaviour with the HTTP/2 spec and with nghttp2: - Treat Host as a single-value header instead of a connection header. - Don't autofill :authority if Host is present. - The compatibility API (request.authority) falls back to using Host if :authority is not present. This is semver-major because requests are no longer guaranteed to have :authority set. An explanatory note was added to the docs. Fixes: nodejs#29858
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,63 @@ | ||
| 'use strict'; | ||
|
|
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| const common = require('../common'); | ||
| if (!common.hasCrypto) | ||
| common.skip('missing crypto'); | ||
| const assert = require('assert'); | ||
| const h2 = require('http2'); | ||
|
|
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| // Requests using host instead of :authority should be allowed | ||
| // and Http2ServerRequest.authority should fall back to hos | ||
|
|
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| // :authority should NOT be auto-filled if host is present | ||
|
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| const server = h2.createServer(); | ||
| server.listen(0, common.mustCall(function() { | ||
| const port = server.address().port; | ||
| server.once('request', common.mustCall(function(request, response) { | ||
| const expected = { | ||
| ':path': '/foobar', | ||
| ':method': 'GET', | ||
| ':scheme': 'http', | ||
| 'host': `localhost:${port}` | ||
| }; | ||
|
|
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| assert.strictEqual(request.authority, expected.host); | ||
|
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| const headers = request.headers; | ||
| for (const [name, value] of Object.entries(expected)) { | ||
| assert.strictEqual(headers[name], value); | ||
| } | ||
|
|
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| const rawHeaders = request.rawHeaders; | ||
| for (const [name, value] of Object.entries(expected)) { | ||
| const position = rawHeaders.indexOf(name); | ||
| assert.notStrictEqual(position, -1); | ||
| assert.strictEqual(rawHeaders[position + 1], value); | ||
| } | ||
|
|
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| assert(!Object.hasOwnProperty.call(headers, ':authority')); | ||
| assert(!Object.hasOwnProperty.call(rawHeaders, ':authority')); | ||
|
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| response.on('finish', common.mustCall(function() { | ||
| server.close(); | ||
| })); | ||
| response.end(); | ||
| })); | ||
|
|
||
| const url = `http://localhost:${port}`; | ||
| const client = h2.connect(url, common.mustCall(function() { | ||
| const headers = { | ||
| ':path': '/foobar', | ||
| ':method': 'GET', | ||
| ':scheme': 'http', | ||
| 'host': `localhost:${port}` | ||
| }; | ||
| const request = client.request(headers); | ||
| request.on('end', common.mustCall(function() { | ||
| client.close(); | ||
| })); | ||
| request.end(); | ||
| request.resume(); | ||
| })); | ||
| })); |
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