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Test Info:
- Manifest: dom/base/test/browser.toml
const TEST_URI =
getRootDirectory(gTestPath).replace(
) + "file_blocking_image.html";
/**
* Loading an image from https:// should work.
*/
add_task(async function load_image_from_https_test() {
let tab = BrowserTestUtils.addTab(gBrowser, TEST_URI);
await BrowserTestUtils.browserLoaded(tab.linkedBrowser);
gBrowser.selectedTab = tab;
await SpecialPowers.spawn(tab.linkedBrowser, [], async function () {
function imgListener(img) {
return new Promise((resolve, reject) => {
img.addEventListener("load", () => resolve());
img.addEventListener("error", () => reject());
});
}
let img = content.document.createElement("img");
content.document.body.appendChild(img);
try {
await imgListener(img);
Assert.ok(true);
} catch (e) {
Assert.ok(false);
}
});
gBrowser.removeTab(tab);
});
/**
* Loading an image from http:// should be rejected.
*/
add_task(async function load_image_from_http_test() {
let tab = BrowserTestUtils.addTab(gBrowser, TEST_URI);
await BrowserTestUtils.browserLoaded(tab.linkedBrowser);
gBrowser.selectedTab = tab;
await SpecialPowers.spawn(tab.linkedBrowser, [], async function () {
function imgListener(img) {
return new Promise((resolve, reject) => {
img.addEventListener("load", () => reject());
img.addEventListener("error", () => resolve());
});
}
let img = content.document.createElement("img");
content.document.body.appendChild(img);
try {
await imgListener(img);
Assert.ok(true);
} catch (e) {
Assert.ok(false);
}
});
gBrowser.removeTab(tab);
});
/**
* Loading an image from http:// immediately after loading from https://
* The load from https:// should be replaced.
*/
add_task(async function load_https_and_http_test() {
let tab = BrowserTestUtils.addTab(gBrowser, TEST_URI);
await BrowserTestUtils.browserLoaded(tab.linkedBrowser);
// Clear image cache, otherwise in non-e10s mode the image might be cached by
// previous test, and make the image from https is loaded immediately.
let imgTools = Cc["@mozilla.org/image/tools;1"].getService(Ci.imgITools);
let imageCache = imgTools.getImgCacheForDocument(window.document);
imageCache.clearCache(false); // false=content
gBrowser.selectedTab = tab;
await SpecialPowers.spawn(tab.linkedBrowser, [], async function () {
function imgListener(img) {
return new Promise((resolve, reject) => {
img.addEventListener("load", () => reject());
img.addEventListener("error", () => resolve());
});
}
let img = content.document.createElement("img");
content.document.body.appendChild(img);
try {
await imgListener(img);
Assert.ok(true);
} catch (e) {
Assert.ok(false);
}
});
gBrowser.removeTab(tab);
});
/**
* Loading an image from https.
* Then after we have size information of the image, we immediately change the
* location to a http:// site (hence should be blocked by CSP).
*/
add_task(async function block_pending_request_test() {
let tab = BrowserTestUtils.addTab(gBrowser, TEST_URI);
await BrowserTestUtils.browserLoaded(tab.linkedBrowser);
gBrowser.selectedTab = tab;
await SpecialPowers.spawn(tab.linkedBrowser, [], async function () {
let wrapper = {
_resolve: null,
_sizeAvail: false,
sizeAvailable(request) {
// In non-e10s mode the image may have already been cached, so sometimes
// sizeAvailable() is called earlier then waitUntilSizeAvailable().
if (this._resolve) {
this._resolve();
} else {
this._sizeAvail = true;
}
},
waitUntilSizeAvailable() {
return new Promise(resolve => {
this._resolve = resolve;
if (this._sizeAvail) {
resolve();
}
});
},
QueryInterface(aIID) {
if (aIID.equals(Ci.imgIScriptedNotificationObserver)) {
return this;
}
throw Components.Exception("", Cr.NS_ERROR_NO_INTERFACE);
},
};
let observer = Cc["@mozilla.org/image/tools;1"]
.getService(Ci.imgITools)
.createScriptedObserver(wrapper);
let img = content.document.createElement("img");
let req = img.getRequest(Ci.nsIImageLoadingContent.CURRENT_REQUEST);
img.addObserver(observer);
content.document.body.appendChild(img);
info("Wait until Size Available");
await wrapper.waitUntilSizeAvailable();
info("Size Available now!");
img.removeObserver(observer);
// Now we change to load from http:// site, which will be blocked.
Assert.equal(
img.getRequest(Ci.nsIImageLoadingContent.CURRENT_REQUEST),
req,
"CURRENT_REQUEST shouldn't be replaced."
);
});
gBrowser.removeTab(tab);
});