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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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+Cu.import("resource://testing-common/httpd.js");
+Cu.import("resource://gre/modules/NetUtil.jsm");
+var httpserver = new HttpServer();
+
+var ios;
+
+// Test the handling of a cache revalidation with mismatching last-modified
+// headers. If we get such a revalidation the cache entry should be purged.
+// see bug 717350
+
+// In this test the wrong data is from 11-16-1994 with a value of 'A',
+// and the right data is from 11-15-1994 with a value of 'B'.
+
+// the same URL is requested 3 times. the first time the wrong data comes
+// back, the second time that wrong data is revalidated with a 304 but
+// a L-M header of the right data (this triggers a cache purge), and
+// the third time the right data is returned.
+
+var listener_3 = {
+ // this listener is used to process the the request made after
+ // the cache invalidation. it expects to see the 'right data'
+
+ QueryInterface: function(iid) {
+ if (iid.equals(Components.interfaces.nsIStreamListener) ||
+ iid.equals(Components.interfaces.nsIRequestObserver) ||
+ iid.equals(Components.interfaces.nsISupports))
+ return this;
+ throw Components.results.NS_ERROR_NO_INTERFACE;
+ },
+
+ onStartRequest: function test_onStartR(request, ctx) {},
+
+ onDataAvailable: function test_ODA(request, cx, inputStream,
+ offset, count) {
+ var data = new BinaryInputStream(inputStream).readByteArray(count);
+
+ do_check_eq(data[0], "B".charCodeAt(0));
+ },
+
+ onStopRequest: function test_onStopR(request, ctx, status) {
+ httpserver.stop(do_test_finished);
+ }
+};
+
+XPCOMUtils.defineLazyGetter(this, "listener_2", function() {
+ return {
+ // this listener is used to process the revalidation of the
+ // corrupted cache entry. its revalidation prompts it to be cleaned
+
+ QueryInterface: function(iid) {
+ if (iid.equals(Components.interfaces.nsIStreamListener) ||
+ iid.equals(Components.interfaces.nsIRequestObserver) ||
+ iid.equals(Components.interfaces.nsISupports))
+ return this;
+ throw Components.results.NS_ERROR_NO_INTERFACE;
+ },
+
+ onStartRequest: function test_onStartR(request, ctx) {},
+
+ onDataAvailable: function test_ODA(request, cx, inputStream,
+ offset, count) {
+ var data = new BinaryInputStream(inputStream).readByteArray(count);
+
+ // This is 'A' from a cache revalidation, but that reval will clean the cache
+ // because of mismatched last-modified response headers
+
+ do_check_eq(data[0], "A".charCodeAt(0));
+ },
+
+ onStopRequest: function test_onStopR(request, ctx, status) {
+ var channel = request.QueryInterface(Ci.nsIHttpChannel);
+ var chan = NetUtil.newChannel({
+ uri: "http://localhost:" + httpserver.identity.primaryPort + "/test1",
+ loadUsingSystemPrincipal: true
+ });
+ chan.asyncOpen2(listener_3);
+ }
+};
+});
+
+XPCOMUtils.defineLazyGetter(this, "listener_1", function() {
+ return {
+ // this listener processes the initial request from a empty cache.
+ // the server responds with the wrong data ('A')
+
+ QueryInterface: function(iid) {
+ if (iid.equals(Components.interfaces.nsIStreamListener) ||
+ iid.equals(Components.interfaces.nsIRequestObserver) ||
+ iid.equals(Components.interfaces.nsISupports))
+ return this;
+ throw Components.results.NS_ERROR_NO_INTERFACE;
+ },
+
+ onStartRequest: function test_onStartR(request, ctx) {},
+
+ onDataAvailable: function test_ODA(request, cx, inputStream,
+ offset, count) {
+ var data = new BinaryInputStream(inputStream).readByteArray(count);
+ do_check_eq(data[0], "A".charCodeAt(0));
+ },
+
+ onStopRequest: function test_onStopR(request, ctx, status) {
+ var channel = request.QueryInterface(Ci.nsIHttpChannel);
+ var chan = NetUtil.newChannel({
+ uri: "http://localhost:" + httpserver.identity.primaryPort + "/test1",
+ loadUsingSystemPrincipal: true
+ });
+ chan.asyncOpen2(listener_2);
+ }
+};
+});
+
+function run_test() {
+ do_get_profile();
+ ios = Cc["@mozilla.org/network/io-service;1"]
+ .getService(Ci.nsIIOService);
+
+ evict_cache_entries();
+
+ httpserver.registerPathHandler("/test1", handler);
+ httpserver.start(-1);
+
+ var port = httpserver.identity.primaryPort;
+ var chan = NetUtil.newChannel({
+ uri: "http://localhost:" + port + "/test1",
+ loadUsingSystemPrincipal: true
+ });
+ chan.asyncOpen2(listener_1);
+
+ do_test_pending();
+}
+
+var iter=0;
+function handler(metadata, response) {
+ iter++;
+ if (metadata.hasHeader("If-Modified-Since")) {
+ response.setStatusLine(metadata.httpVersion, 304, "Not Modified");
+ response.setHeader("Last-Modified", "Tue, 15 Nov 1994 12:45:26 GMT", false);
+ }
+ else {
+ response.setStatusLine(metadata.httpVersion, 200, "OK");
+ response.setHeader("Cache-Control", "max-age=0", false)
+ if (iter == 1) {
+ // simulated wrong response
+ response.setHeader("Last-Modified", "Wed, 16 Nov 1994 00:00:00 GMT", false);
+ response.bodyOutputStream.write("A", 1);
+ }
+ if (iter == 3) {
+ // 'correct' response
+ response.setHeader("Last-Modified", "Tue, 15 Nov 1994 12:45:26 GMT", false);
+ response.bodyOutputStream.write("B", 1);
+ }
+ }
+}