The Tor Browser: comparison netwerk/test/mochitests/partial

--1:000000000000
+:f5f7082a8b54
+/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* vim: set ts=8 sts=2 et sw=2 tw=80: */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+* License, v. 2.0. If a copy of the MPL was not distributed with this
+* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+/* Debug and Error wrapper functions for dump().
+*/
+function ERR(response, responseCode, responseCodeStr, msg)
+{
+// Reset state var.
+setState("expectedRequestType", "");
+// Dump to console log and send to client in response.
+dump("SERVER ERROR: " + msg + "\n");
+response.write("HTTP/1.1 " + responseCode + " " + responseCodeStr + "\r\n");
+response.write("Content-Type: text/html; charset=UTF-8\r\n");
+response.write("Content-Length: " + msg.length + "\r\n");
+response.write("\r\n");
+response.write(msg);
+}
+function DBG(msg)
+{
+// Dump to console only.
+dump("SERVER DEBUG: " + msg + "\n");
+}
+/* Delivers content in parts to test partially cached content: requires two
+* requests for the same resource.
+*
+* First call will respond with partial content, but a 200 header and
+* Content-Length equal to the full content length. No Range or If-Range
+* headers are allowed in the request.
+*
+* Second call will require Range and If-Range in the request headers, and
+* will respond with the range requested.
+*/
+function handleRequest(request, response)
+{
+DBG("Trying to seize power");
+response.seizePower();
+DBG("About to check state vars");
+// Get state var to determine if this is the first or second request.
+var expectedRequestType;
+var lastModified;
+if (getState("expectedRequestType") === "") {
+DBG("First call: Should be requesting full content.");
+expectedRequestType = "fullRequest";
+// Set state var for second request.
+setState("expectedRequestType", "partialRequest");
+// Create lastModified variable for responses.
+lastModified = (new Date()).toUTCString();
+setState("lastModified", lastModified);
+} else if (getState("expectedRequestType") === "partialRequest") {
+DBG("Second call: Should be requesting undelivered content.");
+expectedRequestType = "partialRequest";
+// Reset state var for first request.
+setState("expectedRequestType", "");
+// Get last modified date and reset state var.
+lastModified = getState("lastModified");
+} else {
+ERR(response, 500, "Internal Server Error",
+"Invalid expectedRequestType \"" + expectedRequestType + "\"in " +
+"server state db.");
+return;
+}
+// Look for Range and If-Range
+var range = request.hasHeader("Range") ? request.getHeader("Range") : "";
+var ifRange = request.hasHeader("If-Range") ? request.getHeader("If-Range") : "";
+if (expectedRequestType === "fullRequest") {
+// Should not have Range or If-Range in first request.
+if (range && range.length > 0) {
+ERR(response, 400, "Bad Request",
+"Should not receive \"Range: " + range + "\" for first, full request.");
+return;
+}
+if (ifRange && ifRange.length > 0) {
+ERR(response, 400, "Bad Request",
+"Should not receive \"Range: " + range + "\" for first, full request.");
+return;
+}
+} else if (expectedRequestType === "partialRequest") {
+// Range AND If-Range should both be present in second request.
+if (!range) {
+ERR(response, 400, "Bad Request",
+"Should receive \"Range: \" for second, partial request.");
+return;
+}
+if (!ifRange) {
+ERR(response, 400, "Bad Request",
+"Should receive \"If-Range: \" for second, partial request.");
+return;
+}
+} else {
+// Somewhat redundant, but a check for errors in this test code.
+ERR(response, 500, "Internal Server Error",
+"expectedRequestType not set correctly: \"" + expectedRequestType + "\"");
+return;
+}
+// Prepare content in two parts for responses.
+var partialContent = "<html><head></head><body><p id=\"firstResponse\">" +
+"First response</p>";
+var remainderContent = "<p id=\"secondResponse\">Second response</p>" +
+"</body></html>";
+var totalLength = partialContent.length + remainderContent.length;
+DBG("totalLength: " + totalLength);
+// Prepare common headers for the two responses.
+date = new Date();
+DBG("Date: " + date.toUTCString() + ", Last-Modified: " + lastModified);
+var commonHeaders = "Date: " + date.toUTCString() + "\r\n" +
+"Last-Modified: " + lastModified + "\r\n" +
+"Content-Type: text/html; charset=UTF-8\r\n" +
+"ETag: abcd0123\r\n" +
+"Accept-Ranges: bytes\r\n";
+// Prepare specific headers and content for first and second responses.
+if (expectedRequestType === "fullRequest") {
+DBG("First response: Sending partial content with a full header");
+response.write("HTTP/1.1 200 OK\r\n");
+response.write(commonHeaders);
+// Set Content-Length to full length of resource.
+response.write("Content-Length: " + totalLength + "\r\n");
+response.write("\r\n");
+response.write(partialContent);
+} else if (expectedRequestType === "partialRequest") {
+DBG("Second response: Sending remaining content with a range header");
+response.write("HTTP/1.1 206 Partial Content\r\n");
+response.write(commonHeaders);
+// Set Content-Length to length of bytes transmitted.
+response.write("Content-Length: " + remainderContent.length + "\r\n");
+response.write("Content-Range: bytes " + partialContent.length + "-" +
+(totalLength - 1) + "/" + totalLength + "\r\n");
+response.write("\r\n");
+response.write(remainderContent);
+} else {
+// Somewhat redundant, but a check for errors in this test code.
+ERR(response, 500, "Internal Server Error",
+"Something very bad happened here: expectedRequestType is invalid " +
+"towards the end of handleRequest! - \"" + expectedRequestType + "\"");
+return;
+}
+response.finish();
+}

The Tor Browser / file comparison

comparison: netwerk/test/mochitests/partial_content.sjs

netwerk/test/mochitests/partial_content.sjs