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/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
const lazy = {};
ChromeUtils.defineESModuleGetters(lazy, {
Log: "chrome://remote/content/shared/Log.sys.mjs",
notifyFragmentNavigated:
"chrome://remote/content/shared/NavigationManager.sys.mjs",
notifySameDocumentChanged:
"chrome://remote/content/shared/NavigationManager.sys.mjs",
notifyNavigationFailed:
"chrome://remote/content/shared/NavigationManager.sys.mjs",
notifyNavigationStarted:
"chrome://remote/content/shared/NavigationManager.sys.mjs",
notifyNavigationStopped:
"chrome://remote/content/shared/NavigationManager.sys.mjs",
});
ChromeUtils.defineLazyGetter(lazy, "logger", () => lazy.Log.get());
export class NavigationListenerParent extends JSWindowActorParent {
async receiveMessage(message) {
const { data, name } = message;
try {
const payload = {
contextDetails: data.contextDetails,
url: data.url,
};
switch (name) {
case "NavigationListenerChild:fragmentNavigated": {
lazy.notifyFragmentNavigated(payload);
break;
}
case "NavigationListenerChild:sameDocumentChanged": {
lazy.notifySameDocumentChanged(payload);
break;
}
case "NavigationListenerChild:navigationStarted": {
lazy.notifyNavigationStarted(payload);
break;
}
case "NavigationListenerChild:navigationStopped": {
const errorName = ChromeUtils.getXPCOMErrorName(data.status);
if (this.#isContentBlocked(errorName)) {
payload.errorName = errorName;
lazy.notifyNavigationFailed(payload);
} else {
lazy.notifyNavigationStopped(payload);
}
break;
}
default:
throw new Error("Unsupported message:" + name);
}
} catch (e) {
if (e instanceof TypeError) {
// Avoid error spam from errors due to unavailable browsing contexts.
lazy.logger.trace(
`Failed to handle a navigation listener message: ${e.message}`
);
} else {
throw e;
}
}
}
#isContentBlocked(blockedReason) {
return [
// If content is blocked with e.g. CSP meta tag.
"NS_ERROR_CONTENT_BLOCKED",
// If a resource load was blocked because of the CSP header.
"NS_ERROR_CSP_FRAME_ANCESTOR_VIOLATION",
// If a resource load was blocked because of the Cross-Origin-Embedder-Policy header.
"NS_ERROR_DOM_COEP_FAILED",
// If a resource load was blocked because of the X-Frame-Options header.
"NS_ERROR_XFO_VIOLATION",
].includes(blockedReason);
}
}