mirror of https://github.com/gorhill/uBlock.git
Ensure document.documentElement is present when executing `acs` scriptlet
Related issue: - https://github.com/uBlockOrigin/uBlock-issues/issues/2670
This commit is contained in:
Raymond Hill
parent
9878156820
commit
8d1669f9b5
|
|
@ -159,6 +159,132 @@ function runAt(fn, when) {
|
|||
|
||||
/******************************************************************************/
|
||||
|
||||
builtinScriptlets.push({
|
||||
name: 'run-at-html-element.fn',
|
||||
fn: runAtHtmlElement,
|
||||
});
|
||||
function runAtHtmlElement(fn) {
|
||||
if ( document.documentElement ) {
|
||||
fn();
|
||||
return;
|
||||
}
|
||||
const observer = new MutationObserver(( ) => {
|
||||
fn();
|
||||
observer.disconnect();
|
||||
});
|
||||
observer.observe(document, { childList: true });
|
||||
}
|
||||
|
||||
/******************************************************************************/
|
||||
|
||||
builtinScriptlets.push({
|
||||
name: 'abort-current-script-core.fn',
|
||||
fn: abortCurrentScriptCore,
|
||||
dependencies: [
|
||||
'pattern-to-regex.fn',
|
||||
'get-exception-token.fn',
|
||||
'safe-self.fn',
|
||||
'should-debug.fn',
|
||||
'should-log.fn',
|
||||
],
|
||||
});
|
||||
// Issues to mind before changing anything:
|
||||
// https://github.com/uBlockOrigin/uBlock-issues/issues/2154
|
||||
function abortCurrentScriptCore(
|
||||
arg1 = '',
|
||||
arg2 = '',
|
||||
arg3 = ''
|
||||
) {
|
||||
const details = typeof arg1 !== 'object'
|
||||
? { target: arg1, needle: arg2, context: arg3 }
|
||||
: arg1;
|
||||
const { target = '', needle = '', context = '' } = details;
|
||||
if ( typeof target !== 'string' ) { return; }
|
||||
if ( target === '' ) { return; }
|
||||
const safe = safeSelf();
|
||||
const reNeedle = patternToRegex(needle);
|
||||
const reContext = patternToRegex(context);
|
||||
const thisScript = document.currentScript;
|
||||
const chain = target.split('.');
|
||||
let owner = window;
|
||||
let prop;
|
||||
for (;;) {
|
||||
prop = chain.shift();
|
||||
if ( chain.length === 0 ) { break; }
|
||||
owner = owner[prop];
|
||||
if ( owner instanceof Object === false ) { return; }
|
||||
}
|
||||
let value;
|
||||
let desc = Object.getOwnPropertyDescriptor(owner, prop);
|
||||
if (
|
||||
desc instanceof Object === false ||
|
||||
desc.get instanceof Function === false
|
||||
) {
|
||||
value = owner[prop];
|
||||
desc = undefined;
|
||||
}
|
||||
const log = shouldLog(details);
|
||||
const debug = shouldDebug(details);
|
||||
const exceptionToken = getExceptionToken();
|
||||
const scriptTexts = new WeakMap();
|
||||
const getScriptText = elem => {
|
||||
let text = elem.textContent;
|
||||
if ( text.trim() !== '' ) { return text; }
|
||||
if ( scriptTexts.has(elem) ) { return scriptTexts.get(elem); }
|
||||
const [ , mime, content ] =
|
||||
/^data:([^,]*),(.+)$/.exec(elem.src.trim()) ||
|
||||
[ '', '', '' ];
|
||||
try {
|
||||
switch ( true ) {
|
||||
case mime.endsWith(';base64'):
|
||||
text = self.atob(content);
|
||||
break;
|
||||
default:
|
||||
text = self.decodeURIComponent(content);
|
||||
break;
|
||||
}
|
||||
} catch(ex) {
|
||||
}
|
||||
scriptTexts.set(elem, text);
|
||||
return text;
|
||||
};
|
||||
const validate = ( ) => {
|
||||
if ( debug ) { debugger; } // jshint ignore: line
|
||||
const e = document.currentScript;
|
||||
if ( e instanceof HTMLScriptElement === false ) { return; }
|
||||
if ( e === thisScript ) { return; }
|
||||
if ( reContext.test(e.src) === false ) { return; }
|
||||
if ( log && e.src !== '' ) { safe.uboLog(`matched src: ${e.src}`); }
|
||||
const scriptText = getScriptText(e);
|
||||
if ( reNeedle.test(scriptText) === false ) { return; }
|
||||
if ( log ) { safe.uboLog(`matched script text: ${scriptText}`); }
|
||||
throw new ReferenceError(exceptionToken);
|
||||
};
|
||||
if ( debug ) { debugger; } // jshint ignore: line
|
||||
try {
|
||||
Object.defineProperty(owner, prop, {
|
||||
get: function() {
|
||||
validate();
|
||||
return desc instanceof Object
|
||||
? desc.get.call(owner)
|
||||
: value;
|
||||
},
|
||||
set: function(a) {
|
||||
validate();
|
||||
if ( desc instanceof Object ) {
|
||||
desc.set.call(owner, a);
|
||||
} else {
|
||||
value = a;
|
||||
}
|
||||
}
|
||||
});
|
||||
} catch(ex) {
|
||||
if ( log ) { safe.uboLog(ex); }
|
||||
}
|
||||
}
|
||||
|
||||
/******************************************************************************/
|
||||
|
||||
builtinScriptlets.push({
|
||||
name: 'set-constant-core.fn',
|
||||
fn: setConstantCore,
|
||||
|
|
@ -373,106 +499,20 @@ builtinScriptlets.push({
|
|||
aliases: [ 'acs.js', 'abort-current-inline-script.js', 'acis.js' ],
|
||||
fn: abortCurrentScript,
|
||||
dependencies: [
|
||||
'pattern-to-regex.fn',
|
||||
'get-exception-token.fn',
|
||||
'safe-self.fn',
|
||||
'should-debug.fn',
|
||||
'should-log.fn',
|
||||
'abort-current-script-core.fn',
|
||||
'run-at-html-element.fn',
|
||||
],
|
||||
});
|
||||
// Issues to mind before changing anything:
|
||||
// https://github.com/uBlockOrigin/uBlock-issues/issues/2154
|
||||
function abortCurrentScript(
|
||||
arg1 = '',
|
||||
arg2 = '',
|
||||
arg3 = ''
|
||||
arg1,
|
||||
arg2,
|
||||
arg3
|
||||
) {
|
||||
const details = typeof arg1 !== 'object'
|
||||
? { target: arg1, needle: arg2, context: arg3 }
|
||||
: arg1;
|
||||
const { target = '', needle = '', context = '' } = details;
|
||||
if ( typeof target !== 'string' ) { return; }
|
||||
if ( target === '' ) { return; }
|
||||
const safe = safeSelf();
|
||||
const reNeedle = patternToRegex(needle);
|
||||
const reContext = patternToRegex(context);
|
||||
const thisScript = document.currentScript;
|
||||
const chain = target.split('.');
|
||||
let owner = window;
|
||||
let prop;
|
||||
for (;;) {
|
||||
prop = chain.shift();
|
||||
if ( chain.length === 0 ) { break; }
|
||||
owner = owner[prop];
|
||||
if ( owner instanceof Object === false ) { return; }
|
||||
}
|
||||
let value;
|
||||
let desc = Object.getOwnPropertyDescriptor(owner, prop);
|
||||
if (
|
||||
desc instanceof Object === false ||
|
||||
desc.get instanceof Function === false
|
||||
) {
|
||||
value = owner[prop];
|
||||
desc = undefined;
|
||||
}
|
||||
const log = shouldLog(details);
|
||||
const debug = shouldDebug(details);
|
||||
const exceptionToken = getExceptionToken();
|
||||
const scriptTexts = new WeakMap();
|
||||
const getScriptText = elem => {
|
||||
let text = elem.textContent;
|
||||
if ( text.trim() !== '' ) { return text; }
|
||||
if ( scriptTexts.has(elem) ) { return scriptTexts.get(elem); }
|
||||
const [ , mime, content ] =
|
||||
/^data:([^,]*),(.+)$/.exec(elem.src.trim()) ||
|
||||
[ '', '', '' ];
|
||||
try {
|
||||
switch ( true ) {
|
||||
case mime.endsWith(';base64'):
|
||||
text = self.atob(content);
|
||||
break;
|
||||
default:
|
||||
text = self.decodeURIComponent(content);
|
||||
break;
|
||||
}
|
||||
} catch(ex) {
|
||||
}
|
||||
scriptTexts.set(elem, text);
|
||||
return text;
|
||||
};
|
||||
const validate = ( ) => {
|
||||
if ( debug ) { debugger; } // jshint ignore: line
|
||||
const e = document.currentScript;
|
||||
if ( e instanceof HTMLScriptElement === false ) { return; }
|
||||
if ( e === thisScript ) { return; }
|
||||
if ( reContext.test(e.src) === false ) { return; }
|
||||
if ( log && e.src !== '' ) { safe.uboLog(`matched src: ${e.src}`); }
|
||||
const scriptText = getScriptText(e);
|
||||
if ( reNeedle.test(scriptText) === false ) { return; }
|
||||
if ( log ) { safe.uboLog(`matched script text: ${scriptText}`); }
|
||||
throw new ReferenceError(exceptionToken);
|
||||
};
|
||||
if ( debug ) { debugger; } // jshint ignore: line
|
||||
try {
|
||||
Object.defineProperty(owner, prop, {
|
||||
get: function() {
|
||||
validate();
|
||||
return desc instanceof Object
|
||||
? desc.get.call(owner)
|
||||
: value;
|
||||
},
|
||||
set: function(a) {
|
||||
validate();
|
||||
if ( desc instanceof Object ) {
|
||||
desc.set.call(owner, a);
|
||||
} else {
|
||||
value = a;
|
||||
}
|
||||
}
|
||||
});
|
||||
} catch(ex) {
|
||||
if ( log ) { safe.uboLog(ex); }
|
||||
}
|
||||
runAtHtmlElement(( ) => {
|
||||
abortCurrentScriptCore(arg1, arg2, arg3);
|
||||
});
|
||||
}
|
||||
|
||||
/******************************************************************************/
|
||||
|
|
|
|||
Loading…
Reference in New Issue