зеркало из https://github.com/mozilla/gecko-dev.git
78 строки
2.8 KiB
JavaScript
78 строки
2.8 KiB
JavaScript
// Parse the query string, and give us the value for a certain key, or false if
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// it does not exist.
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function parseQuery(request, key) {
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var params = request.queryString.split('?')[0].split('&');
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for (var j = 0; j < params.length; ++j) {
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var p = params[j];
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if (p == key)
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return true;
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if (p.indexOf(key + "=") == 0)
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return p.substring(key.length + 1);
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if (p.indexOf("=") < 0 && key == "")
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return p;
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}
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return false;
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}
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function handleRequest(request, response) {
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try {
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// Get the filename to send back.
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var filename = parseQuery(request, "file");
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const CC = Components.Constructor;
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const BinaryOutputStream = CC("@mozilla.org/binaryoutputstream;1",
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"nsIBinaryOutputStream",
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"setOutputStream");
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var file = Components.classes["@mozilla.org/file/directory_service;1"].
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getService(Components.interfaces.nsIProperties).
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get("CurWorkD", Components.interfaces.nsILocalFile);
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var fis = Components.classes['@mozilla.org/network/file-input-stream;1'].
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createInstance(Components.interfaces.nsIFileInputStream);
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var bis = Components.classes["@mozilla.org/binaryinputstream;1"].
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createInstance(Components.interfaces.nsIBinaryInputStream);
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var paths = "tests/content/media/test/" + filename;
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dump(paths + '\n');
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var split = paths.split("/");
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for(var i = 0; i < split.length; ++i) {
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file.append(split[i]);
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}
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fis.init(file, -1, -1, false);
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// handle range requests
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var partialstart = 0,
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partialend = file.fileSize - 1;
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if (request.hasHeader("Range")) {
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var range = request.getHeader("Range");
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var parts = range.replace(/bytes=/, "").split("-");
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var partialstart = parts[0];
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var partialend = parts[1];
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if (!partialend.length) {
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partialend = file.fileSize - 1;
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}
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response.setStatusLine(request.httpVersion, 206, "Partial Content");
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var contentRange = "bytes " + partialstart + "-" + partialend + "/" + file.fileSize;
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response.setHeader("Content-Range", contentRange);
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}
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fis.seek(Components.interfaces.nsISeekableStream.NS_SEEK_SET, partialstart);
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bis.setInputStream(fis);
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var sendContentType = parseQuery(request, "nomime");
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if (sendContentType == false) {
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var contentType = parseQuery(request, "type");
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if (contentType == false) {
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// This should not happen.
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dump("No type specified without having \'nomime\' in parameters.");
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return;
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}
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response.setHeader("Content-Type", contentType, false);
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}
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response.setHeader("Content-Length", ""+bis.available(), false);
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var bytes = bis.readBytes(bis.available());
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response.write(bytes, bytes.length);
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} catch (e) {
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dump ("ERROR : " + e + "\n");
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}
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}
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