119 lines
4.4 KiB
JavaScript
119 lines
4.4 KiB
JavaScript
/* -*- indent-tabs-mode: nil; js-indent-level: 2 -*- */
|
|
/* 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
|
|
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
|
|
|
|
/* This content script should work in any browser or iframe and should not
|
|
* depend on the frame being contained in tabbrowser. */
|
|
|
|
var {classes: Cc, interfaces: Ci, utils: Cu, results: Cr} = Components;
|
|
|
|
Cu.import("resource://gre/modules/XPCOMUtils.jsm");
|
|
Cu.import("resource://gre/modules/Services.jsm");
|
|
|
|
// social frames are always treated as app tabs
|
|
docShell.isAppTab = true;
|
|
|
|
// Error handling class used to listen for network errors in the social frames
|
|
// and replace them with a social-specific error page
|
|
SocialErrorListener = {
|
|
QueryInterface: XPCOMUtils.generateQI([Ci.nsIWebProgressListener,
|
|
Ci.nsISupportsWeakReference,
|
|
Ci.nsISupports]),
|
|
|
|
defaultTemplate: "about:socialerror?mode=tryAgainOnly&url=%{url}&origin=%{origin}",
|
|
urlTemplate: null,
|
|
|
|
init() {
|
|
addMessageListener("Social:SetErrorURL", this);
|
|
let webProgress = docShell.QueryInterface(Components.interfaces.nsIInterfaceRequestor)
|
|
.getInterface(Components.interfaces.nsIWebProgress);
|
|
webProgress.addProgressListener(this, Ci.nsIWebProgress.NOTIFY_STATE_REQUEST |
|
|
Ci.nsIWebProgress.NOTIFY_LOCATION);
|
|
},
|
|
receiveMessage(message) {
|
|
switch(message.name) {
|
|
case "Social:SetErrorURL": {
|
|
// either a url or null to reset to default template
|
|
this.urlTemplate = message.objects.template;
|
|
}
|
|
}
|
|
},
|
|
|
|
setErrorPage() {
|
|
// if this is about:providerdirectory, use the directory iframe
|
|
let frame = docShell.chromeEventHandler;
|
|
let origin = frame.getAttribute("origin");
|
|
let src = frame.getAttribute("src");
|
|
if (src == "about:providerdirectory") {
|
|
frame = content.document.getElementById("activation-frame");
|
|
src = frame.getAttribute("src");
|
|
}
|
|
|
|
let url = this.urlTemplate || this.defaultTemplate;
|
|
url = url.replace("%{url}", encodeURIComponent(src));
|
|
url = url.replace("%{origin}", encodeURIComponent(origin));
|
|
if (frame != docShell.chromeEventHandler) {
|
|
// Unable to access frame.docShell here. This is our own frame and doesn't
|
|
// provide reload, so we'll just set the src.
|
|
frame.setAttribute("src", url);
|
|
} else {
|
|
let webNav = docShell.QueryInterface(Ci.nsIWebNavigation);
|
|
webNav.loadURI(url, null, null, null, null);
|
|
}
|
|
sendAsyncMessage("Social:ErrorPageNotify", {
|
|
origin: origin,
|
|
url: src
|
|
});
|
|
},
|
|
|
|
onStateChange(aWebProgress, aRequest, aState, aStatus) {
|
|
let failure = false;
|
|
if ((aState & Ci.nsIWebProgressListener.STATE_STOP)) {
|
|
if (aRequest instanceof Ci.nsIHttpChannel) {
|
|
try {
|
|
// Change the frame to an error page on 4xx (client errors)
|
|
// and 5xx (server errors). responseStatus throws if it is not set.
|
|
failure = aRequest.responseStatus >= 400 &&
|
|
aRequest.responseStatus < 600;
|
|
} catch (e) {
|
|
failure = aStatus != Components.results.NS_OK;
|
|
}
|
|
}
|
|
}
|
|
|
|
// Calling cancel() will raise some OnStateChange notifications by itself,
|
|
// so avoid doing that more than once
|
|
if (failure && aStatus != Components.results.NS_BINDING_ABORTED) {
|
|
// if tp is enabled and we get a failure, ignore failures (ie. STATE_STOP)
|
|
// on child resources since they *may* have been blocked. We don't have an
|
|
// easy way to know if a particular url is blocked by TP, only that
|
|
// something was.
|
|
if (docShell.hasTrackingContentBlocked) {
|
|
let frame = docShell.chromeEventHandler;
|
|
let src = frame.getAttribute("src");
|
|
if (aRequest && aRequest.name != src) {
|
|
Cu.reportError("SocialErrorListener ignoring blocked content error for " + aRequest.name);
|
|
return;
|
|
}
|
|
}
|
|
|
|
aRequest.cancel(Components.results.NS_BINDING_ABORTED);
|
|
this.setErrorPage();
|
|
}
|
|
},
|
|
|
|
onLocationChange(aWebProgress, aRequest, aLocation, aFlags) {
|
|
if (aRequest && aFlags & Ci.nsIWebProgressListener.LOCATION_CHANGE_ERROR_PAGE) {
|
|
aRequest.cancel(Components.results.NS_BINDING_ABORTED);
|
|
this.setErrorPage();
|
|
}
|
|
},
|
|
|
|
onProgressChange() {},
|
|
onStatusChange() {},
|
|
onSecurityChange() {},
|
|
};
|
|
|
|
SocialErrorListener.init();
|