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diff --git a/netwerk/test/mochitests/partial_content.sjs b/netwerk/test/mochitests/partial_content.sjs
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+/* -*- 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) {
+ ERR(
+ response,
+ 400,
+ "Bad Request",
+ 'Should not receive "Range: ' + range + '" for first, full request.'
+ );
+ return;
+ }
+ if (ifRange && ifRange.length) {
+ 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.
+ let 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();
+}