1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/netwerk/test/mochitests/partial_content.sjs Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,151 @@
1.4 +/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
1.5 +/* vim: set ts=8 sts=2 et sw=2 tw=80: */
1.6 +/* This Source Code Form is subject to the terms of the Mozilla Public
1.7 + * License, v. 2.0. If a copy of the MPL was not distributed with this
1.8 + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
1.9 +
1.10 +/* Debug and Error wrapper functions for dump().
1.11 + */
1.12 +function ERR(response, responseCode, responseCodeStr, msg)
1.13 +{
1.14 + // Reset state var.
1.15 + setState("expectedRequestType", "");
1.16 + // Dump to console log and send to client in response.
1.17 + dump("SERVER ERROR: " + msg + "\n");
1.18 + response.write("HTTP/1.1 " + responseCode + " " + responseCodeStr + "\r\n");
1.19 + response.write("Content-Type: text/html; charset=UTF-8\r\n");
1.20 + response.write("Content-Length: " + msg.length + "\r\n");
1.21 + response.write("\r\n");
1.22 + response.write(msg);
1.23 +}
1.24 +
1.25 +function DBG(msg)
1.26 +{
1.27 + // Dump to console only.
1.28 + dump("SERVER DEBUG: " + msg + "\n");
1.29 +}
1.30 +
1.31 +/* Delivers content in parts to test partially cached content: requires two
1.32 + * requests for the same resource.
1.33 + *
1.34 + * First call will respond with partial content, but a 200 header and
1.35 + * Content-Length equal to the full content length. No Range or If-Range
1.36 + * headers are allowed in the request.
1.37 + *
1.38 + * Second call will require Range and If-Range in the request headers, and
1.39 + * will respond with the range requested.
1.40 + */
1.41 +function handleRequest(request, response)
1.42 +{
1.43 + DBG("Trying to seize power");
1.44 + response.seizePower();
1.45 +
1.46 + DBG("About to check state vars");
1.47 + // Get state var to determine if this is the first or second request.
1.48 + var expectedRequestType;
1.49 + var lastModified;
1.50 + if (getState("expectedRequestType") === "") {
1.51 + DBG("First call: Should be requesting full content.");
1.52 + expectedRequestType = "fullRequest";
1.53 + // Set state var for second request.
1.54 + setState("expectedRequestType", "partialRequest");
1.55 + // Create lastModified variable for responses.
1.56 + lastModified = (new Date()).toUTCString();
1.57 + setState("lastModified", lastModified);
1.58 + } else if (getState("expectedRequestType") === "partialRequest") {
1.59 + DBG("Second call: Should be requesting undelivered content.");
1.60 + expectedRequestType = "partialRequest";
1.61 + // Reset state var for first request.
1.62 + setState("expectedRequestType", "");
1.63 + // Get last modified date and reset state var.
1.64 + lastModified = getState("lastModified");
1.65 + } else {
1.66 + ERR(response, 500, "Internal Server Error",
1.67 + "Invalid expectedRequestType \"" + expectedRequestType + "\"in " +
1.68 + "server state db.");
1.69 + return;
1.70 + }
1.71 +
1.72 + // Look for Range and If-Range
1.73 + var range = request.hasHeader("Range") ? request.getHeader("Range") : "";
1.74 + var ifRange = request.hasHeader("If-Range") ? request.getHeader("If-Range") : "";
1.75 +
1.76 + if (expectedRequestType === "fullRequest") {
1.77 + // Should not have Range or If-Range in first request.
1.78 + if (range && range.length > 0) {
1.79 + ERR(response, 400, "Bad Request",
1.80 + "Should not receive \"Range: " + range + "\" for first, full request.");
1.81 + return;
1.82 + }
1.83 + if (ifRange && ifRange.length > 0) {
1.84 + ERR(response, 400, "Bad Request",
1.85 + "Should not receive \"Range: " + range + "\" for first, full request.");
1.86 + return;
1.87 + }
1.88 + } else if (expectedRequestType === "partialRequest") {
1.89 + // Range AND If-Range should both be present in second request.
1.90 + if (!range) {
1.91 + ERR(response, 400, "Bad Request",
1.92 + "Should receive \"Range: \" for second, partial request.");
1.93 + return;
1.94 + }
1.95 + if (!ifRange) {
1.96 + ERR(response, 400, "Bad Request",
1.97 + "Should receive \"If-Range: \" for second, partial request.");
1.98 + return;
1.99 + }
1.100 + } else {
1.101 + // Somewhat redundant, but a check for errors in this test code.
1.102 + ERR(response, 500, "Internal Server Error",
1.103 + "expectedRequestType not set correctly: \"" + expectedRequestType + "\"");
1.104 + return;
1.105 + }
1.106 +
1.107 + // Prepare content in two parts for responses.
1.108 + var partialContent = "<html><head></head><body><p id=\"firstResponse\">" +
1.109 + "First response</p>";
1.110 + var remainderContent = "<p id=\"secondResponse\">Second response</p>" +
1.111 + "</body></html>";
1.112 + var totalLength = partialContent.length + remainderContent.length;
1.113 +
1.114 + DBG("totalLength: " + totalLength);
1.115 +
1.116 + // Prepare common headers for the two responses.
1.117 + date = new Date();
1.118 + DBG("Date: " + date.toUTCString() + ", Last-Modified: " + lastModified);
1.119 + var commonHeaders = "Date: " + date.toUTCString() + "\r\n" +
1.120 + "Last-Modified: " + lastModified + "\r\n" +
1.121 + "Content-Type: text/html; charset=UTF-8\r\n" +
1.122 + "ETag: abcd0123\r\n" +
1.123 + "Accept-Ranges: bytes\r\n";
1.124 +
1.125 +
1.126 + // Prepare specific headers and content for first and second responses.
1.127 + if (expectedRequestType === "fullRequest") {
1.128 + DBG("First response: Sending partial content with a full header");
1.129 + response.write("HTTP/1.1 200 OK\r\n");
1.130 + response.write(commonHeaders);
1.131 + // Set Content-Length to full length of resource.
1.132 + response.write("Content-Length: " + totalLength + "\r\n");
1.133 + response.write("\r\n");
1.134 + response.write(partialContent);
1.135 + } else if (expectedRequestType === "partialRequest") {
1.136 + DBG("Second response: Sending remaining content with a range header");
1.137 + response.write("HTTP/1.1 206 Partial Content\r\n");
1.138 + response.write(commonHeaders);
1.139 + // Set Content-Length to length of bytes transmitted.
1.140 + response.write("Content-Length: " + remainderContent.length + "\r\n");
1.141 + response.write("Content-Range: bytes " + partialContent.length + "-" +
1.142 + (totalLength - 1) + "/" + totalLength + "\r\n");
1.143 + response.write("\r\n");
1.144 + response.write(remainderContent);
1.145 + } else {
1.146 + // Somewhat redundant, but a check for errors in this test code.
1.147 + ERR(response, 500, "Internal Server Error",
1.148 + "Something very bad happened here: expectedRequestType is invalid " +
1.149 + "towards the end of handleRequest! - \"" + expectedRequestType + "\"");
1.150 + return;
1.151 + }
1.152 +
1.153 + response.finish();
1.154 +}
