security-and-privacy/CanvasBlocker
security-and-privacy/CanvasBlocker
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Code Releases Activity

Made checkStack available during interception.

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This commit is contained in:
kkapsner 2016-11-13 14:51:58 +01:00
parent d122f90655
commit e4c65d415e
3 changed files with 27 additions and 11 deletions
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14
data/frame.js
View File

@ -26,6 +26,18 @@
return {type: [], mode: "allow"}; return {type: [], mode: "allow"};
} }
} }
function checkStack(stack){
if (enabled){
var status = sendSyncMessage(
"canvasBlocker-checkStack",
stack
);
return status[0];
}
else {
return true;
}
}
function askWrapper(data){ function askWrapper(data){
return ask(data, { return ask(data, {
_: function(token){ _: function(token){
@ -56,7 +68,7 @@
var window = ev.target.defaultView; var window = ev.target.defaultView;
intercept( intercept(
{subject: window}, {subject: window},
{check, ask: askWrapper, notify, prefs} {check, checkStack, ask: askWrapper, notify, prefs}
); );
} }
} }

19
lib/check.js
View File

@ -13,8 +13,7 @@
const {URL} = require("sdk/url"); const {URL} = require("sdk/url");
exports.check = function check({url, errorStack}){ exports.check = function check({url, errorStack}){
var callingStack = parseErrorStack(errorStack); var match = checkBoth(errorStack, url, prefs.blockMode).match(/^(block|allow|fake|ask)(|Readout|Everything|Context|Input|Internal)$/);
var match = checkBoth(callingStack, url, prefs.blockMode).match(/^(block|allow|fake|ask)(|Readout|Everything|Context|Input)$/);
if (match){ if (match){
return { return {
type: (match[2] === "Everything" || match[2] === "")? type: (match[2] === "Everything" || match[2] === "")?
@ -32,8 +31,8 @@
}; };
function checkBoth(stack, url, blockMode){ function checkBoth(errorStack, url, blockMode){
if (prefs.enableStackList && checkStack(stack)){ if (prefs.enableStackList && errorStack && checkStack(errorStack)){
return "allow"; return "allow";
} }
else { else {
@ -42,15 +41,15 @@
} }
function checkURL(url, blockMode){ function checkURL(url, blockMode){
url = new URL(url); url = new URL(url || "about:blank");
switch (url.protocol){ switch (url.protocol){
case "about:": case "about:":
if (url.href === "about:blank"){ if (url.href === "about:blank"){
break; break;
} }
return "allow"; return "allowInternal";
case "chrome:": case "chrome:":
return "allow"; return "allowInternal";
} }
var mode = "block"; var mode = "block";
@ -93,7 +92,9 @@
return mode; return mode;
} }
function checkStack(stack){ function checkStack(errorStack){
return lists.get("stack").match(stack); var callingStack = parseErrorStack(errorStack);
return lists.get("stack").match(callingStack);
} }
exports.checkStack = checkStack;
}()); }());

5
lib/main.js
View File

@ -8,7 +8,7 @@
const {when: unload} = require("sdk/system/unload"); const {when: unload} = require("sdk/system/unload");
const {check} = require("./check.js"); const {check, checkStack} = require("./check.js");
const {notify} = require("./notifications"); const {notify} = require("./notifications");
const _ = require("sdk/l10n").get; const _ = require("sdk/l10n").get;
@ -53,6 +53,9 @@
var status = check(ev.data); var status = check(ev.data);
return status; return status;
}); });
addMessageListener("canvasBlocker-checkStack", function(ev){
return checkStack(ev.data);
});
addMessageListener("canvasBlocker-notify", function(ev){ addMessageListener("canvasBlocker-notify", function(ev){
var browser = ev.target; var browser = ev.target;