mirror of
https://gitlab.winehq.org/wine/wine-gecko.git
synced 2024-09-13 09:24:08 -07:00
152 lines
5.9 KiB
JavaScript
152 lines
5.9 KiB
JavaScript
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim: set ts=8 sts=2 et sw=2 tw=80: */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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/* Debug and Error wrapper functions for dump().
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*/
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function ERR(response, responseCode, responseCodeStr, msg)
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{
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// Reset state var.
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setState("expectedRequestType", "");
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// Dump to console log and send to client in response.
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dump("SERVER ERROR: " + msg + "\n");
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response.write("HTTP/1.1" + responseCode + responseCodeStr + "\r\n");
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response.write("Content-Type: text/html; charset=UTF-8\r\n");
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response.write("Content-Length: " + msg.length + "\r\n");
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response.write("\r\n");
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response.write(msg);
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}
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function DBG(msg)
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{
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// Dump to console only.
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dump("SERVER DEBUG: " + msg + "\n");
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}
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/* Delivers content in parts to test partially cached content: requires two
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* requests for the same resource.
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*
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* First call will respond with partial content, but a 200 header and
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* Content-Length equal to the full content length. No Range or If-Range
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* headers are allowed in the request.
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*
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* Second call will require Range and If-Range in the request headers, and
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* will respond with the range requested.
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*/
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function handleRequest(request, response)
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{
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DBG("Trying to seize power");
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response.seizePower();
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DBG("About to check state vars");
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// Get state var to determine if this is the first or second request.
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var expectedRequestType;
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var lastModified;
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if (getState("expectedRequestType") === "") {
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DBG("First call: Should be requesting full content.");
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expectedRequestType = "fullRequest";
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// Set state var for second request.
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setState("expectedRequestType", "partialRequest");
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// Create lastModified variable for responses.
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lastModified = (new Date()).toUTCString();
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setState("lastModified", lastModified);
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} else if (getState("expectedRequestType") === "partialRequest") {
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DBG("Second call: Should be requesting undelivered content.");
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expectedRequestType = "partialRequest";
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// Reset state var for first request.
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setState("expectedRequestType", "");
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// Get last modified date and reset state var.
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lastModified = getState("lastModified");
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} else {
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ERR(response, 500, "Internal Server Error",
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"Invalid expectedRequestType \"" + expectedRequestType + "\"in " +
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"server state db.");
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return;
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}
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// Look for Range and If-Range
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var range = request.hasHeader("Range") ? request.getHeader("Range") : "";
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var ifRange = request.hasHeader("If-Range") ? request.getHeader("If-Range") : "";
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if (expectedRequestType === "fullRequest") {
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// Should not have Range or If-Range in first request.
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if (range && range.length > 0) {
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ERR(response, 400, "Bad Request",
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"Should not receive \"Range: " + range + "\" for first, full request.");
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return;
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}
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if (ifRange && ifRange.length > 0) {
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ERR(response, 400, "Bad Request",
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"Should not receive \"Range: " + range + "\" for first, full request.");
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return;
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}
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} else if (expectedRequestType === "partialRequest") {
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// Range AND If-Range should both be present in second request.
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if (!range) {
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ERR(response, 400, "Bad Request",
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"Should receive \"Range: \" for second, partial request.");
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return;
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}
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if (!ifRange) {
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ERR(response, 400, "Bad Request",
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"Should receive \"If-Range: \" for second, partial request.");
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return;
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}
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} else {
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// Somewhat redundant, but a check for errors in this test code.
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ERR(response, 500, "Internal Server Error",
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"expectedRequestType not set correctly: \"" + expectedRequestType + "\"");
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return;
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}
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// Prepare content in two parts for responses.
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var partialContent = "<html><head></head><body><p id=\"firstResponse\">" +
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"First response</p>";
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var remainderContent = "<p id=\"secondResponse\">Second response</p>" +
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"</body></html>";
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var totalLength = partialContent.length + remainderContent.length;
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DBG("totalLength: " + totalLength);
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// Prepare common headers for the two responses.
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date = new Date();
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DBG("Date: " + date.toUTCString() + ", Last-Modified: " + lastModified);
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var commonHeaders = "Date: " + date.toUTCString() + "\r\n" +
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"Last-Modified: " + lastModified + "\r\n" +
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"Content-Type: text/html; charset=UTF-8\r\n" +
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"ETag: abcd0123\r\n" +
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"Accept-Ranges: bytes\r\n";
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// Prepare specific headers and content for first and second responses.
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if (expectedRequestType === "fullRequest") {
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DBG("First response: Sending partial content with a full header");
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response.write("HTTP/1.1 200 OK\r\n");
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response.write(commonHeaders);
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// Set Content-Length to full length of resource.
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response.write("Content-Length: " + totalLength + "\r\n");
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response.write("\r\n");
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response.write(partialContent);
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} else if (expectedRequestType === "partialRequest") {
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DBG("Second response: Sending remaining content with a range header");
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response.write("HTTP/1.1 206 Partial Content\r\n");
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response.write(commonHeaders);
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// Set Content-Length to length of bytes transmitted.
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response.write("Content-Length: " + remainderContent.length + "\r\n");
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response.write("Content-Range: bytes " + partialContent.length + "-" +
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(totalLength - 1) + "/" + totalLength + "\r\n");
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response.write("\r\n");
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response.write(remainderContent);
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} else {
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// Somewhat redundant, but a check for errors in this test code.
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ERR(response, 500, "Internal Server Error",
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"Something very bad happened here: expectedRequestType is invalid " +
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"towards the end of handleRequest! - \"" + expectedRequestType + "\"");
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return;
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}
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response.finish();
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}
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