Import wpt@cf62b859e6b890abc34f8140d185ba91df95c5b6

third_party/WebKit/LayoutTests/external/wpt/html/semantics/embedded-content/media-elements/track/track-element/cors/support/common.js

Index: third_party/WebKit/LayoutTests/external/wpt/html/semantics/embedded-content/media-elements/track/track-element/cors/support/common.js
diff --git a/third_party/WebKit/LayoutTests/external/wpt/html/semantics/embedded-content/media-elements/track/track-element/cors/support/common.js b/third_party/WebKit/LayoutTests/external/wpt/html/semantics/embedded-content/media-elements/track/track-element/cors/support/common.js
new file mode 100644
index 0000000000000000000000000000000000000000..9d48abde09d911eec8aaf30883e6f599878c4b19
--- /dev/null
+++ b/third_party/WebKit/LayoutTests/external/wpt/html/semantics/embedded-content/media-elements/track/track-element/cors/support/common.js
@@ -0,0 +1,144 @@
+setup(function(){
+    window.id = token();
+    var p = document.createElement('p');
+    p.innerHTML = 'Test id: <samp>'+id+'</samp>';
+    document.body.appendChild(p);
+    window.actual = {event:null, requests:[]};
+    window.errors = [];
+    window.origin = location.protocol+'//'+location.host;
+    window.escapedOrigin = encodeURIComponent(origin);
+    window.sameOriginURL = "http://{{domains[]}}:{{ports[http][0]}}" + location.pathname.replace(/\/[^\/]+$/, '/');
+    window.otherOriginURL = "http://{{domains[www1]}}:{{ports[http][0]}}" + location.pathname.replace(/\/[^\/]+$/, '/');
+}, {timeout:10000, explicit_done:true});
+
+onload = function() {
+    (async_test(document.title, {timeout:10000})).step(function() {
+        // fail early if track isn't supported
+        assert_true('HTMLTrackElement' in window, 'track not supported');
+        window.corsMode = document.title.match(/^track CORS: (No CORS|Anonymous|Use Credentials)/)[1];
+        var requests_tmp = document.title.substr(('track CORS: '+corsMode+', ').length).split(/, redirects to /g);
+        window.requests = [];
+        requests_tmp.forEach(function(r) {
+            var parts = r.split(', ');
+            requests.push({sameOrigin:parts[0] == 'same-origin', withHeaders:parts[1] == 'with headers'});
+        });
+        if (document.title.indexOf('not same-origin') > -1) {
+            window.hasCrossDomainCookie = true;
+            this.step(setCrossDomainCookie);
+        } else {
+            window.hasCrossDomainCookie = false;
+            this.step(loadTrack);
+        }
+    });
+    done();
+};
+
+function setCrossDomainCookie() {
+    var iframe = document.createElement('iframe');
+    iframe.onload = this.step_func(loadTrack);
+    iframe.src = otherOriginURL + 'support/set-cookie.html#'+id;
+    document.body.appendChild(iframe);
+}
+
+function loadTrack() {
+    var video = document.createElement('video');
+    window.track = document.createElement('track');
+    if (corsMode == 'Anonymous')
+        video.setAttribute('crossorigin', 'anonymous');
+    else if (corsMode == 'Use Credentials')
+        video.setAttribute('crossorigin', 'use-credentials');
+    // else No CORS, omit the crossorigin attribute
+    video.appendChild(track);
+    document.body.appendChild(video);
+    track.track.mode = 'showing';
+    document.cookie = id+'=yes;path=/;max-age=10';
+    var url = '';
+    var r;
+    while (r = requests.pop()) {
+        url = (r.sameOrigin ? sameOriginURL : otherOriginURL) +
+              'support/cors-tester.py?id=' + id +
+              (r.withHeaders ? '&origin=' + escapedOrigin : '') +
+              (url === '' ? '' : '&redirect=' + encodeURIComponent(url));
+    }
+    track.src = url;
+    track.onerror = track.onload = this.step_func(function(e) {
+        actual.event = e.type;
+        var xhr = new XMLHttpRequest();
+        xhr.open('GET', 'support/cors-tester.py?read=true&id=' + id, true);
+        xhr.onload = this.step_func(function() {
+            if (xhr.status == 200) {
+                var lines = xhr.responseText.split('\n');
+                lines.forEach(function(line) {
+                    var chunks = line.split(' | ');
+                    var current = {};
+                    actual.requests.push(current);
+                    chunks.forEach(function(chunk) {
+                        var nameval = chunk.split(' = ');
+                        var name = nameval[0];
+                        var value = nameval[1];
+                        current[name] = value;
+                    });
+                });
+            } else if (xhr.status == 404) {
+                //No stash was found
+            } else {
+                errors.push('got unexpected xhr status: '+xhr.status);
+            }
+            this.step(removeCookies);
+        });
+        xhr.onerror = this.step_func(function() {
+            errors.push('got xhr error');
+            this.step(removeCookies);
+        });
+        xhr.send();
+    });
+}
+
+function removeCookies() {
+    document.cookie = id+'=;path=/;max-age=0';
+    var nextStep = checkData;
+    if (hasCrossDomainCookie) {
+        var iframe = document.createElement('iframe');
+        iframe.onload = this.step_func(nextStep);
+        iframe.src = otherOriginURL + 'support/cors-tester.py?delete-cookie&id=' + id;
+        document.body.appendChild(iframe);
+    } else {
+        this.step(nextStep);
+    }
+}
+
+function removeLog() {
+    var xhr = new XMLHttpRequest();
+    xhr.open('GET', 'support/cors-tester.py?cleanup&id='+id, true);
+    xhr.onload = this.step_func(function() {
+        assert_equals(xhr.responseText, 'OK', 'failed to clean up log: '+id);
+        this.step(checkData);
+    });
+    xhr.onerror = this.step_func(function() {
+        assert_unreached('failed to clean up log: '+id);
+    });
+    xhr.send();
+}
+
+function checkData() {
+    assert_equals(errors.length, 0, errors);
+    try {
+        if (actual.event == 'load' && expected.event == 'error')
+            assert_unreached('Security problem: got load event but expected error event');
+        assert_object_equals(actual, expected);
+    } catch(ex) {
+        var style = document.createElement('style');
+        style.textContent = '.json-diffs td { vertical-align:top } .json-diffs pre { margin:0 }';
+        document.head.appendChild(style);
+        var table = document.createElement('table');
+        table.border = "";
+        table.className = 'json-diffs';
+        table.innerHTML = '<tr><th>Actual<th>Expected<tr><td><pre></pre><td><pre></pre>';
+        table.getElementsByTagName('pre')[0].textContent = JSON.stringify(actual, null, 2);
+        table.getElementsByTagName('pre')[1].textContent = JSON.stringify(expected, null, 2);
+        document.body.insertBefore(table, document.getElementById('log'));
+        throw ex;
+    }
+    assert_equals(track.track.cues.length, expected.event == 'load' ? 1 : 0, 'track.track.cues.length');
+    this.done();
+}