1 files changed, 63 insertions, 0 deletions
diff --git a/dom/security/test/csp/test_meta_csp_self.html b/dom/security/test/csp/test_meta_csp_self.html
new file mode 100644
index 0000000000..8d7d5812a9
--- /dev/null
+++ b/dom/security/test/csp/test_meta_csp_self.html
@@ -0,0 +1,63 @@
+<!DOCTYPE HTML>
+<html>
+<head>
+  <title>Bug 1387871 - CSP: Test 'self' within meta csp in  data: URI iframe</title>
+  <script src="/tests/SimpleTest/SimpleTest.js"></script>
+  <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css" />
+</head>
+<body>
+<iframe style="width:100%;" id="testframe"></iframe>
+
+<script class="testbody" type="text/javascript">
+
+SimpleTest.waitForExplicitFinish();
+
+/* Description of the test:
+ * We load a data: URI into an iframe which provides a meta-csp
+ * including the keyword 'self'. We make sure 'self' does not
+ * allow a data: image to load.
+ */
+
+window.addEventListener("message", receiveMessage);
+function receiveMessage(event) {
+  window.removeEventListener("message", receiveMessage);
+  is(event.data.result, "dataFrameReady", "sanity: received msg from loaded frame");
+
+  var frame = document.getElementById("testframe");
+
+  // make sure the img was blocked
+  var img = SpecialPowers.wrap(frame).contentDocument.getElementById("testimg");
+  is(img.naturalWidth, 0, "img should be blocked -  width should be 0");
+  is(img.naturalHeight, 0, "img should be blocked - height should be 0");
+
+  // sanity check, make sure 'self' translates into data
+  var contentDoc = SpecialPowers.wrap(frame).contentDocument;
+  // parse the cspJSON in a csp-object
+  var cspOBJ = JSON.parse(contentDoc.cspJSON);
+  ok(cspOBJ, "sanity: was able to parse the CSP JSON");
+
+  // make sure we only got one policy
+  var policies = cspOBJ["csp-policies"];
+  is(policies.length, 1, "sanity: received one CSP policy");
+
+  var policy = policies[0];
+  var val = policy['img-src'];
+  is(val.toString(), "'self'", "'self' should translate into data");
+  SimpleTest.finish();
+}
+
+let DATA_URI = `data:text/html,
+  <html>
+  <head>
+    <meta http-equiv="Content-Security-Policy" content="img-src 'self'">
+  </head>
+  <body onload="parent.postMessage({result:'dataFrameReady'},'*');">
+    data: URI frame with meta-csp including 'self'<br/>
+    <img id="testimg" src="data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAUAAAAFCAYAAACNbyblAAAAHElEQVQI12P4//8/w38GIAXDIBKE0DHxgljNBAAO9TXL0Y4OHwAAAABJRU5ErkJggg==" />
+  </body>
+  </html>`;
+document.getElementById("testframe").src = DATA_URI;
+
+</script>
+</body>
+</html>