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+//
+// If a response to a non-safe HTTP request-method contains the Location- or
+// Content-Location header, we must make sure to invalidate any cached entry
+// representing the URIs pointed to by either header. RFC 2616 section 13.10
+//
+// This test uses 3 URIs: "/post" is the target of a POST-request and always
+// redirects (301) to "/redirect". The URIs "/redirect" and "/cl" both counts
+// the number of loads from the server (handler). The response from "/post"
+// always contains the headers "Location: /redirect" and "Content-Location:
+// /cl", whose cached entries are to be invalidated. The tests verifies that
+// "/redirect" and "/cl" are loaded from server the expected number of times.
+//
+
+"use strict";
+
+const { HttpServer } = ChromeUtils.importESModule(
+ "resource://testing-common/httpd.sys.mjs"
+);
+
+var httpserv;
+
+function setupChannel(path) {
+ return NetUtil.newChannel({
+ uri: path,
+ loadUsingSystemPrincipal: true,
+ }).QueryInterface(Ci.nsIHttpChannel);
+}
+
+// Verify that Content-Location-URI has been loaded once, load post_target
+function InitialListener() {}
+InitialListener.prototype = {
+ onStartRequest(request) {},
+ onStopRequest(request, status) {
+ Assert.equal(1, numberOfCLHandlerCalls);
+ executeSoon(function () {
+ var channel = setupChannel(
+ "http://localhost:" + httpserv.identity.primaryPort + "/post"
+ );
+ channel.requestMethod = "POST";
+ channel.asyncOpen(new RedirectingListener());
+ });
+ },
+};
+
+// Verify that Location-URI has been loaded once, reload post_target
+function RedirectingListener() {}
+RedirectingListener.prototype = {
+ onStartRequest(request) {},
+ onStopRequest(request, status) {
+ Assert.equal(1, numberOfHandlerCalls);
+ executeSoon(function () {
+ var channel = setupChannel(
+ "http://localhost:" + httpserv.identity.primaryPort + "/post"
+ );
+ channel.requestMethod = "POST";
+ channel.asyncOpen(new VerifyingListener());
+ });
+ },
+};
+
+// Verify that Location-URI has been loaded twice (cached entry invalidated),
+// reload Content-Location-URI
+function VerifyingListener() {}
+VerifyingListener.prototype = {
+ onStartRequest(request) {},
+ onStopRequest(request, status) {
+ Assert.equal(2, numberOfHandlerCalls);
+ var channel = setupChannel(
+ "http://localhost:" + httpserv.identity.primaryPort + "/cl"
+ );
+ channel.asyncOpen(new FinalListener());
+ },
+};
+
+// Verify that Location-URI has been loaded twice (cached entry invalidated),
+// stop test
+function FinalListener() {}
+FinalListener.prototype = {
+ onStartRequest(request) {},
+ onStopRequest(request, status) {
+ Assert.equal(2, numberOfCLHandlerCalls);
+ httpserv.stop(do_test_finished);
+ },
+};
+
+function run_test() {
+ httpserv = new HttpServer();
+ httpserv.registerPathHandler("/cl", content_location);
+ httpserv.registerPathHandler("/post", post_target);
+ httpserv.registerPathHandler("/redirect", redirect_target);
+ httpserv.start(-1);
+
+ // Clear cache
+ evict_cache_entries();
+
+ // Load Content-Location URI into cache and start the chain of loads
+ var channel = setupChannel(
+ "http://localhost:" + httpserv.identity.primaryPort + "/cl"
+ );
+ channel.asyncOpen(new InitialListener());
+
+ do_test_pending();
+}
+
+var numberOfCLHandlerCalls = 0;
+function content_location(metadata, response) {
+ numberOfCLHandlerCalls++;
+ response.setStatusLine(metadata.httpVersion, 200, "Ok");
+ response.setHeader("Cache-Control", "max-age=360000", false);
+}
+
+function post_target(metadata, response) {
+ response.setStatusLine(metadata.httpVersion, 301, "Moved Permanently");
+ response.setHeader("Location", "/redirect", false);
+ response.setHeader("Content-Location", "/cl", false);
+ response.setHeader("Cache-Control", "max-age=360000", false);
+}
+
+var numberOfHandlerCalls = 0;
+function redirect_target(metadata, response) {
+ numberOfHandlerCalls++;
+ response.setStatusLine(metadata.httpVersion, 200, "Ok");
+ response.setHeader("Cache-Control", "max-age=360000", false);
+}