security-and-privacy/CanvasBlocker
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Introduced stackList.

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This commit is contained in:
kkapsner 2015-12-31 13:37:27 +01:00
parent 24d67113d6
commit d2f5a0cca1
6 changed files with 112 additions and 24 deletions
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83
lib/sharedFunctions.js
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@ -23,6 +23,14 @@ var _ = function(name, replace){
return str;
};
function check(stack, url, blockMode){
if (prefs.enableStackList && checkStack(stack)){
return "allow";
}
else {
return checkURL(url, blockMode);
}
}
function checkURL(url, blockMode){
"use strict";
@ -67,6 +75,11 @@ function checkURL(url, blockMode){
return mode;
}
function checkStack(stack){
"use strict";
return lists.get("stack").match(stack);
}
// Stack parsing
function parseStackEntry(entry){
@ -75,17 +88,32 @@ function parseStackEntry(entry){
var m = /@(.*):(\d*):(\d*)$/.exec(entry) || ["", entry, "--", "--"];
return {
url: m[1],
line: m[2],
column: m[3],
line: parseInt(m[2], 10),
column: parseInt(m[3], 10),
raw: entry
};
}
function stackRuleMatch(stackEntry, stackRule){
if (!stackEntry){
return false;
}
if (stackEntry.url !== stackRule.url){
return false;
}
if ((typeof stackRule.line) !== "undefined" && stackEntry.line !== stackRule.line){
return false;
}
if ((typeof stackRule.column) !== "undefined" && stackEntry.column !== stackRule.column){
return false;
}
return true;
}
// parse calling stack
function errorToCallingStackMsg(error){
function errorToCallingStack(error){
"use strict";
var msg = "";
var callers = error.stack.trim().split("\n");
//console.log(callers);
var findme = callers.shift(); // Remove us from the stack
@ -96,20 +124,39 @@ function errorToCallingStackMsg(error){
var doubleStackStart = caller.search(findme) !== -1;
inDoubleStack = inDoubleStack || doubleStackStart;
return !inDoubleStack;
});
msg += "\n\n" + _("sourceOutput") + ": ";
if (prefs.showCompleteCallingStack){
msg += callers.reduce(function(stack, c){
return stack + "\n\t" + _("stackEntryOutput", parseStackEntry(c));
}, "");
}
else{
msg += _("stackEntryOutput", parseStackEntry(callers[0]));
}
return msg;
}).map(parseStackEntry);
return {
toString: function(){
var msg = "";
msg += "\n\n" + _("sourceOutput") + ": ";
if (prefs.showCompleteCallingStack){
msg += callers.reduce(function(stack, c){
return stack + "\n\t" + _("stackEntryOutput", c);
}, "");
}
else{
msg += _("stackEntryOutput", callers[0]);
}
return msg;
},
match: function(stackRule){
if (typeof stackRule.stackPosition !== "undefined"){
var pos = stackRule.stackPosition;
if (pos < 0){
pos += callers.length;
}
return stackRuleMatch(callers[pos], stackRule);
}
else {
return callers.some(function(stackEntry){
return stackRuleMatch(stackEntry, stackRule);
});
}
}
};
}
exports.checkURL = checkURL;
exports.check = check;
exports.parseStackEntry = parseStackEntry;
exports.errorToCallingStackMsg = errorToCallingStackMsg;
exports.errorToCallingStack = errorToCallingStack;