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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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+/* Any copyright is dedicated to the Public Domain.
+ http://creativecommons.org/publicdomain/zero/1.0/ */
+
+// Test that domain eviction occurs when the cookies per base domain limit is
+// reached, and that expired cookies are evicted before live cookies.
+
+var test_generator = do_run_test();
+
+function run_test()
+{
+ do_test_pending();
+ do_run_generator(test_generator);
+}
+
+function continue_test()
+{
+ do_run_generator(test_generator);
+}
+
+function do_run_test()
+{
+ // Set the base domain limit to 50 so we have a known value.
+ Services.prefs.setIntPref("network.cookie.maxPerHost", 50);
+
+ let futureExpiry = Math.floor(Date.now() / 1000 + 1000);
+
+ // test eviction under the 50 cookies per base domain limit. this means
+ // that cookies for foo.com and bar.foo.com should count toward this limit,
+ // while cookies for baz.com should not. there are several tests we perform
+ // to make sure the base domain logic is working correctly.
+
+ // 1) simplest case: set 100 cookies for "foo.bar" and make sure 50 survive.
+ setCookies("foo.bar", 100, futureExpiry);
+ do_check_eq(countCookies("foo.bar", "foo.bar"), 50);
+
+ // 2) set cookies for different subdomains of "foo.baz", and an unrelated
+ // domain, and make sure all 50 within the "foo.baz" base domain are counted.
+ setCookies("foo.baz", 10, futureExpiry);
+ setCookies(".foo.baz", 10, futureExpiry);
+ setCookies("bar.foo.baz", 10, futureExpiry);
+ setCookies("baz.bar.foo.baz", 10, futureExpiry);
+ setCookies("unrelated.domain", 50, futureExpiry);
+ do_check_eq(countCookies("foo.baz", "baz.bar.foo.baz"), 40);
+ setCookies("foo.baz", 20, futureExpiry);
+ do_check_eq(countCookies("foo.baz", "baz.bar.foo.baz"), 50);
+
+ // 3) ensure cookies are evicted by order of lastAccessed time, if the
+ // limit on cookies per base domain is reached.
+ setCookies("horse.radish", 10, futureExpiry);
+
+ // Wait a while, to make sure the first batch of cookies is older than
+ // the second (timer resolution varies on different platforms).
+ do_timeout(100, continue_test);
+ yield;
+
+ setCookies("tasty.horse.radish", 50, futureExpiry);
+ do_check_eq(countCookies("horse.radish", "horse.radish"), 50);
+
+ let enumerator = Services.cookiemgr.enumerator;
+ while (enumerator.hasMoreElements()) {
+ let cookie = enumerator.getNext().QueryInterface(Ci.nsICookie2);
+
+ if (cookie.host == "horse.radish")
+ do_throw("cookies not evicted by lastAccessed order");
+ }
+
+ // Test that expired cookies for a domain are evicted before live ones.
+ let shortExpiry = Math.floor(Date.now() / 1000 + 2);
+ setCookies("captchart.com", 49, futureExpiry);
+ Services.cookiemgr.add("captchart.com", "", "test100", "eviction",
+ false, false, false, shortExpiry, {});
+ do_timeout(2100, continue_test);
+ yield;
+
+ do_check_eq(countCookies("captchart.com", "captchart.com"), 50);
+ Services.cookiemgr.add("captchart.com", "", "test200", "eviction",
+ false, false, false, futureExpiry, {});
+ do_check_eq(countCookies("captchart.com", "captchart.com"), 50);
+
+ enumerator = Services.cookiemgr.getCookiesFromHost("captchart.com", {});
+ while (enumerator.hasMoreElements()) {
+ let cookie = enumerator.getNext().QueryInterface(Ci.nsICookie2);
+ do_check_true(cookie.expiry == futureExpiry);
+ }
+
+ do_finish_generator_test(test_generator);
+}
+
+// set 'aNumber' cookies with host 'aHost', with distinct names.
+function
+setCookies(aHost, aNumber, aExpiry)
+{
+ for (let i = 0; i < aNumber; ++i)
+ Services.cookiemgr.add(aHost, "", "test" + i, "eviction",
+ false, false, false, aExpiry, {});
+}
+
+// count how many cookies are within domain 'aBaseDomain', using three
+// independent interface methods on nsICookieManager2:
+// 1) 'enumerator', an enumerator of all cookies;
+// 2) 'countCookiesFromHost', which returns the number of cookies within the
+// base domain of 'aHost',
+// 3) 'getCookiesFromHost', which returns an enumerator of 2).
+function
+countCookies(aBaseDomain, aHost)
+{
+ let enumerator = Services.cookiemgr.enumerator;
+
+ // count how many cookies are within domain 'aBaseDomain' using the cookie
+ // enumerator.
+ let cookies = [];
+ while (enumerator.hasMoreElements()) {
+ let cookie = enumerator.getNext().QueryInterface(Ci.nsICookie2);
+
+ if (cookie.host.length >= aBaseDomain.length &&
+ cookie.host.slice(cookie.host.length - aBaseDomain.length) == aBaseDomain)
+ cookies.push(cookie);
+ }
+
+ // confirm the count using countCookiesFromHost and getCookiesFromHost.
+ let result = cookies.length;
+ do_check_eq(Services.cookiemgr.countCookiesFromHost(aBaseDomain),
+ cookies.length);
+ do_check_eq(Services.cookiemgr.countCookiesFromHost(aHost), cookies.length);
+
+ enumerator = Services.cookiemgr.getCookiesFromHost(aHost, {});
+ while (enumerator.hasMoreElements()) {
+ let cookie = enumerator.getNext().QueryInterface(Ci.nsICookie2);
+
+ if (cookie.host.length >= aBaseDomain.length &&
+ cookie.host.slice(cookie.host.length - aBaseDomain.length) == aBaseDomain) {
+ let found = false;
+ for (let i = 0; i < cookies.length; ++i) {
+ if (cookies[i].host == cookie.host && cookies[i].name == cookie.name) {
+ found = true;
+ cookies.splice(i, 1);
+ break;
+ }
+ }
+
+ if (!found)
+ do_throw("cookie " + cookie.name + " not found in master enumerator");
+
+ } else {
+ do_throw("cookie host " + cookie.host + " not within domain " + aBaseDomain);
+ }
+ }
+
+ do_check_eq(cookies.length, 0);
+
+ return result;
+}
+