mirror of
https://github.com/mozilla/gecko-dev.git
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66 lines
2.9 KiB
JavaScript
66 lines
2.9 KiB
JavaScript
const BinaryOutputStream = Components.Constructor("@mozilla.org/binaryoutputstream;1", "nsIBinaryOutputStream", "setOutputStream");
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/* This data is picked from modules/libpr0n/test/reftest/generic/check-header.sjs */
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const IMAGE_DATA =
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[
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0x89, 0x50, 0x4E, 0x47, 0x0D, 0x0A, 0x1A, 0x0A, 0x00, 0x00, 0x00,
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0x0D, 0x49, 0x48, 0x44, 0x52, 0x00, 0x00, 0x00, 0x64, 0x00, 0x00,
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0x00, 0x64, 0x08, 0x02, 0x00, 0x00, 0x00, 0xFF, 0x80, 0x02, 0x03,
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0x00, 0x00, 0x00, 0x01, 0x73, 0x52, 0x47, 0x42, 0x00, 0xAE, 0xCE,
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0x1C, 0xE9, 0x00, 0x00, 0x00, 0x9E, 0x49, 0x44, 0x41, 0x54, 0x78,
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0xDA, 0xED, 0xD0, 0x31, 0x01, 0x00, 0x00, 0x08, 0x03, 0xA0, 0x69,
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0xFF, 0xCE, 0x5A, 0xC1, 0xCF, 0x07, 0x22, 0x50, 0x99, 0x70, 0xD4,
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0x0A, 0x64, 0xC9, 0x92, 0x25, 0x4B, 0x96, 0x2C, 0x05, 0xB2, 0x64,
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0xC9, 0x92, 0x25, 0x4B, 0x96, 0x02, 0x59, 0xB2, 0x64, 0xC9, 0x92,
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0x25, 0x4B, 0x81, 0x2C, 0x59, 0xB2, 0x64, 0xC9, 0x92, 0xA5, 0x40,
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0x96, 0x2C, 0x59, 0xB2, 0x64, 0xC9, 0x52, 0x20, 0x4B, 0x96, 0x2C,
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0x59, 0xB2, 0x64, 0x29, 0x90, 0x25, 0x4B, 0x96, 0x2C, 0x59, 0xB2,
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0x14, 0xC8, 0x92, 0x25, 0x4B, 0x96, 0x2C, 0x59, 0x0A, 0x64, 0xC9,
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0x92, 0x25, 0x4B, 0x96, 0x2C, 0x05, 0xB2, 0x64, 0xC9, 0x92, 0x25,
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0x4B, 0x96, 0x02, 0x59, 0xB2, 0x64, 0xC9, 0x92, 0x25, 0x4B, 0x81,
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0x2C, 0x59, 0xB2, 0x64, 0xC9, 0x92, 0xA5, 0x40, 0x96, 0x2C, 0x59,
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0xB2, 0x64, 0xC9, 0x52, 0x20, 0x4B, 0x96, 0x2C, 0x59, 0xB2, 0x64,
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0x29, 0x90, 0x25, 0x4B, 0x96, 0x2C, 0x59, 0xB2, 0x14, 0xC8, 0x92,
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0x25, 0x4B, 0x96, 0x2C, 0x59, 0x0A, 0x64, 0xC9, 0xFA, 0xB6, 0x89,
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0x5F, 0x01, 0xC7, 0x24, 0x83, 0xB2, 0x0C, 0x00, 0x00, 0x00, 0x00,
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0x49, 0x45, 0x4E, 0x44, 0xAE, 0x42, 0x60, 0x82,
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];
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/**
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* The timer is needed when a delay is set. We need it to be out of the method
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* so it is not eaten alive by the GC.
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*/
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var timer;
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function handleRequest(request, response) {
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var query = {};
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request.queryString.split('&').forEach(function (val) {
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var [name, value] = val.split('=');
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query[name] = unescape(value);
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});
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response.setStatusLine(request.httpVersion, 200, "OK");
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response.setHeader("Content-Type", "image/png", false);
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function imageWrite() {
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var stream = new BinaryOutputStream(response.bodyOutputStream);
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stream.writeByteArray(IMAGE_DATA, IMAGE_DATA.length);
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}
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// If there is no delay, we write the image and leave.
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if (!("delay" in query)) {
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imageWrite();
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return;
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}
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// If there is a delay, we create a timer which, when it fires, will write
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// image and leave.
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response.processAsync();
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const nsITimer = Components.interfaces.nsITimer;
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timer = Components.classes["@mozilla.org/timer;1"].createInstance(nsITimer);
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timer.initWithCallback(function() {
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imageWrite();
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response.finish();
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}, query["delay"], nsITimer.TYPE_ONE_SHOT);
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}
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