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authorMatt A. Tobin <mattatobin@localhost.localdomain>2018-02-02 04:16:08 -0500
committerMatt A. Tobin <mattatobin@localhost.localdomain>2018-02-02 04:16:08 -0500
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Add m-esr52 at 52.6.0
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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 > 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();
+}