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Remove obsolete code to translate |blob: filters into CSP filters

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These filters are to be considered obsolete since they can't be
matched against network requests in the webRequest API.

They were probably meant to work when ABP was pre-webext, which
means they are quite probably obsolete and there is no longer
a point for uBO to conveniently translate them into CSP directives.
This commit is contained in:
Raymond Hill 2019-02-16 19:25:15 -05:00
parent e93062bcdf
commit d63592b11e
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GPG Key ID: 25E1490B761470C2
1 changed files with 0 additions and 97 deletions
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97
src/js/static-net-filtering.js
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@ -1593,96 +1593,6 @@ FilterParser.prototype.parseOptions = function(s) {
}
};
/******************************************************************************/
// https://github.com/gorhill/uBlock/issues/1943#issuecomment-243188946
// Convert websocket-related filter where possible to a format which
// can be handled using CSP injection.
FilterParser.prototype.translate = function() {
var dataTypeBit = this.bitFromType('data');
if ( this.cantWebsocket && this.reWebsocketAny.test(this.f) ) {
this.f = '*';
this.types = dataTypeBit;
this.dataType = 'csp';
this.dataStr = "connect-src https: http:";
// https://bugs.chromium.org/p/chromium/issues/detail?id=669086
// TODO: remove when most users are beyond Chromium v56
if (
vAPI.webextFlavor.soup.has('chromium') &&
vAPI.webextFlavor.major < 57
) {
this.dataStr += '; frame-src *';
}
return;
}
// Broad |data:-based filters.
if ( this.f === 'data:' ) {
switch ( this.types ) {
case 0:
this.f = '*';
this.types = dataTypeBit;
this.dataType = 'csp';
this.dataStr = "default-src 'self' * blob: 'unsafe-inline' 'unsafe-eval'";
break;
case this.bitFromType('script'):
this.f = '*';
this.types = dataTypeBit;
this.dataType = 'csp';
this.dataStr = "script-src 'self' * blob: 'unsafe-inline' 'unsafe-eval'";
break;
case this.bitFromType('sub_frame'):
this.f = '*';
this.types = dataTypeBit;
this.dataType = 'csp';
this.dataStr = "frame-src 'self' * blob:";
break;
case this.bitFromType('script') | this.bitFromType('sub_frame'):
this.f = '*';
this.types = dataTypeBit;
this.dataType = 'csp';
this.dataStr = "frame-src 'self' * blob:; script-src 'self' * blob: 'unsafe-inline' 'unsafe-eval';";
break;
default:
break;
}
}
// Broad |blob:-based filters.
if ( this.f === 'blob:' ) {
switch ( this.types ) {
case 0:
this.f = '*';
this.types = dataTypeBit;
this.dataType = 'csp';
this.dataStr = "default-src 'self' * data: 'unsafe-inline' 'unsafe-eval'";
break;
case this.bitFromType('script'):
this.f = '*';
this.types = dataTypeBit;
this.dataType = 'csp';
this.dataStr = "script-src 'self' * data: 'unsafe-inline' 'unsafe-eval'";
break;
case this.bitFromType('sub_frame'):
this.f = '*';
this.types = dataTypeBit;
this.dataType = 'csp';
this.dataStr = "frame-src 'self' * data:";
break;
case this.bitFromType('script') | this.bitFromType('sub_frame'):
this.f = '*';
this.types = dataTypeBit;
this.dataType = 'csp';
this.dataStr = "frame-src 'self' * data:; script-src 'self' * data: 'unsafe-inline' 'unsafe-eval';";
break;
default:
break;
}
}
};
/*******************************************************************************
anchor: bit vector
@ -1851,13 +1761,6 @@ FilterParser.prototype.parse = function(raw) {
this.f = this.reHasUppercase.test(s) ? s.toLowerCase() : s;
// Convenience:
// Convert special broad filters for non-webRequest aware types into
// `csp` filters wherever possible.
if ( this.anchor & 0x2 && this.party === 0 ) {
this.translate();
}
return this;
};