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330f25ef82
Make changes so that tests will pass when the comma-dangle settings applied to the rest of the code base are also applied to tests. PR-URL: https://github.com/nodejs/node/pull/37930 Reviewed-By: James M Snell <jasnell@gmail.com> Reviewed-By: Derek Lewis <DerekNonGeneric@inf.is>
83 lines
3.0 KiB
JavaScript
83 lines
3.0 KiB
JavaScript
'use strict';
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const common = require('../common');
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if (!common.hasCrypto)
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common.skip('missing crypto');
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const h2 = require('http2');
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const net = require('net');
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const preamble = Buffer.from([
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0x50, 0x52, 0x49, 0x20, 0x2a, 0x20, 0x48, 0x54, 0x54, 0x50, 0x2f,
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0x32, 0x2e, 0x30, 0x0d, 0x0a, 0x0d, 0x0a, 0x53, 0x4d, 0x0d, 0x0a,
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0x0d, 0x0a, 0x00, 0x00, 0x0c, 0x04, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x03, 0x00, 0x00, 0x00, 0x64, 0x00, 0x04, 0x00, 0x00, 0xff,
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0xff, 0x00, 0x00, 0x00, 0x04, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x05, 0x02, 0x00, 0x00, 0x00, 0x00, 0x03, 0x00, 0x00, 0x00,
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0x00, 0xc8, 0x00, 0x00, 0x05, 0x02, 0x00, 0x00, 0x00, 0x00, 0x05,
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0x00, 0x00, 0x00, 0x00, 0x64, 0x00, 0x00, 0x05, 0x02, 0x00, 0x00,
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0x00, 0x00, 0x07, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x05,
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0x02, 0x00, 0x00, 0x00, 0x00, 0x09, 0x00, 0x00, 0x00, 0x07, 0x00,
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0x00, 0x00, 0x05, 0x02, 0x00, 0x00, 0x00, 0x00, 0x0b, 0x00, 0x00,
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0x00, 0x03, 0x00, 0x00, 0x00, 0x2c, 0x01, 0x24, 0x00, 0x00, 0x00,
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0x0d, 0x00, 0x00, 0x00, 0x0b, 0x0f, 0x83, 0x84, 0x86, 0x41, 0x8a,
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0xa0, 0xe4, 0x1d, 0x13, 0x9d, 0x09, 0xb8, 0xf0, 0x1e, 0x07, 0x53,
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0x03, 0x2a, 0x2f, 0x2a, 0x90, 0x7a, 0x8a, 0xaa, 0x69, 0xd2, 0x9a,
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0xc4, 0xc0, 0x57, 0x0b, 0xcb, 0x87, 0x0f, 0x0d, 0x83, 0x08, 0x00,
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0x0f,
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]);
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const data = Buffer.from([
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0x00, 0x00, 0x12, 0x00, 0x00, 0x00, 0x00, 0x00, 0x0d,
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0x68, 0x65, 0x6c, 0x6c, 0x6f, 0x0a, 0x68, 0x65, 0x6c,
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0x6c, 0x6f, 0x0a, 0x68, 0x65, 0x6c, 0x6c, 0x6f, 0x0a,
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]);
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// This is testing the case of a misbehaving client that is not paying
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// attention to flow control. The initial window size is set to data
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// payload * 2, which in this case is 36, the stream is paused so
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// WINDOW_UPDATE frames are not being sent, which means the window
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// size is not being updated. A well behaved client is supposed to
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// stop sending until the window size is expanded again.
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//
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// However, our malicious client keeps sending data beyond the flow
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// control window!
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//
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// Bad client! Bad!
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//
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// Fortunately, nghttp2 handles this situation for us by keeping track
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// of the flow control window and responding with a FLOW_CONTROL_ERROR
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// causing the stream to get shut down...
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//
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// At least, that's what is supposed to happen.
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let client;
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const server = h2.createServer({ settings: { initialWindowSize: 36 } });
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server.on('stream', (stream) => {
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// Set the high water mark to zero, since otherwise we still accept
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// reads from the source stream (if we can consume them).
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stream._readableState.highWaterMark = 0;
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stream.pause();
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stream.on('error', common.expectsError({
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code: 'ERR_HTTP2_STREAM_ERROR',
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name: 'Error',
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message: 'Stream closed with error code NGHTTP2_FLOW_CONTROL_ERROR'
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}));
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stream.on('close', common.mustCall(() => {
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server.close();
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client.destroy();
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}));
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stream.on('end', common.mustNotCall());
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});
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server.listen(0, () => {
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client = net.connect(server.address().port, () => {
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client.write(preamble);
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client.write(data);
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client.write(data);
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client.write(data);
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});
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});
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