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