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Issue 29737558: Issue 6538, 6781 - Implement support for snippet filters (Closed) Base URL: https://hg.adblockplus.org/adblockpluscore/
Patch Set: Created March 30, 2018, 8:18 p.m.
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1 /* 1 /*
2 * This file is part of Adblock Plus <https://adblockplus.org/>, 2 * This file is part of Adblock Plus <https://adblockplus.org/>,
3 * Copyright (C) 2006-present eyeo GmbH 3 * Copyright (C) 2006-present eyeo GmbH
4 * 4 *
5 * Adblock Plus is free software: you can redistribute it and/or modify 5 * Adblock Plus is free software: you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License version 3 as 6 * it under the terms of the GNU General Public License version 3 as
7 * published by the Free Software Foundation. 7 * published by the Free Software Foundation.
8 * 8 *
9 * Adblock Plus is distributed in the hope that it will be useful, 9 * Adblock Plus is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of 10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
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764 text = text.substr(2); 764 text = text.substr(2);
765 } 765 }
766 766
767 let contentType = null; 767 let contentType = null;
768 let matchCase = null; 768 let matchCase = null;
769 let domains = null; 769 let domains = null;
770 let sitekeys = null; 770 let sitekeys = null;
771 let thirdParty = null; 771 let thirdParty = null;
772 let collapse = null; 772 let collapse = null;
773 let csp = null; 773 let csp = null;
774 let snippets = null;
774 let options; 775 let options;
775 let match = (text.indexOf("$") >= 0 ? Filter.optionsRegExp.exec(text) : null); 776 let match = (text.indexOf("$") >= 0 ? Filter.optionsRegExp.exec(text) : null);
776 if (match) 777 if (match)
777 { 778 {
778 options = match[1].split(","); 779 options = match[1].split(",");
779 text = match.input.substr(0, match.index); 780 text = match.input.substr(0, match.index);
780 for (let option of options) 781 for (let option of options)
781 { 782 {
782 let value = null; 783 let value = null;
783 let separatorIndex = option.indexOf("="); 784 let separatorIndex = option.indexOf("=");
784 if (separatorIndex >= 0) 785 if (separatorIndex >= 0)
785 { 786 {
786 value = option.substr(separatorIndex + 1); 787 value = option.substr(separatorIndex + 1);
787 option = option.substr(0, separatorIndex); 788 option = option.substr(0, separatorIndex);
788 } 789 }
789 option = option.replace(/-/, "_").toUpperCase(); 790 option = option.replace(/-/, "_").toUpperCase();
790 if (option in RegExpFilter.typeMap) 791 if (option in RegExpFilter.typeMap)
791 { 792 {
792 if (contentType == null) 793 if (contentType == null)
793 contentType = 0; 794 contentType = 0;
794 contentType |= RegExpFilter.typeMap[option]; 795 contentType |= RegExpFilter.typeMap[option];
795 796
796 if (option == "CSP" && typeof value != "undefined") 797 if (option == "CSP" && typeof value != "undefined")
797 csp = value; 798 csp = value;
799 else if (option == "SNIPPET" && typeof value != "undefined")
800 snippets = value.split("|");
798 } 801 }
799 else if (option[0] == "~" && option.substr(1) in RegExpFilter.typeMap) 802 else if (option[0] == "~" && option.substr(1) in RegExpFilter.typeMap)
800 { 803 {
801 if (contentType == null) 804 if (contentType == null)
802 ({contentType} = RegExpFilter.prototype); 805 ({contentType} = RegExpFilter.prototype);
803 contentType &= ~RegExpFilter.typeMap[option.substr(1)]; 806 contentType &= ~RegExpFilter.typeMap[option.substr(1)];
804 } 807 }
805 else if (option == "MATCH_CASE") 808 else if (option == "MATCH_CASE")
806 matchCase = true; 809 matchCase = true;
807 else if (option == "~MATCH_CASE") 810 else if (option == "~MATCH_CASE")
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824 } 827 }
825 828
826 try 829 try
827 { 830 {
828 if (blocking) 831 if (blocking)
829 { 832 {
830 if (csp && Filter.invalidCSPRegExp.test(csp)) 833 if (csp && Filter.invalidCSPRegExp.test(csp))
831 return new InvalidFilter(origText, "filter_invalid_csp"); 834 return new InvalidFilter(origText, "filter_invalid_csp");
832 835
833 return new BlockingFilter(origText, text, contentType, matchCase, domains, 836 return new BlockingFilter(origText, text, contentType, matchCase, domains,
834 thirdParty, sitekeys, collapse, csp); 837 thirdParty, sitekeys, collapse, csp, snippets);
835 } 838 }
836 return new WhitelistFilter(origText, text, contentType, matchCase, domains, 839 return new WhitelistFilter(origText, text, contentType, matchCase, domains,
837 thirdParty, sitekeys); 840 thirdParty, sitekeys);
838 } 841 }
839 catch (e) 842 catch (e)
840 { 843 {
841 return new InvalidFilter(origText, "filter_invalid_regexp"); 844 return new InvalidFilter(origText, "filter_invalid_regexp");
842 } 845 }
843 }; 846 };
844 847
845 /** 848 /**
846 * Maps type strings like "SCRIPT" or "OBJECT" to bit masks 849 * Maps type strings like "SCRIPT" or "OBJECT" to bit masks
847 */ 850 */
848 RegExpFilter.typeMap = { 851 RegExpFilter.typeMap = {
849 OTHER: 1, 852 OTHER: 1,
850 SCRIPT: 2, 853 SCRIPT: 2,
851 IMAGE: 4, 854 IMAGE: 4,
852 STYLESHEET: 8, 855 STYLESHEET: 8,
853 OBJECT: 16, 856 OBJECT: 16,
854 SUBDOCUMENT: 32, 857 SUBDOCUMENT: 32,
855 DOCUMENT: 64, 858 DOCUMENT: 64,
856 WEBSOCKET: 128, 859 WEBSOCKET: 128,
857 WEBRTC: 256, 860 WEBRTC: 256,
858 CSP: 512, 861 CSP: 512,
859 XBL: 1, 862 XBL: 1,
860 PING: 1024, 863 PING: 1024,
861 XMLHTTPREQUEST: 2048, 864 XMLHTTPREQUEST: 2048,
862 OBJECT_SUBREQUEST: 4096, 865 OBJECT_SUBREQUEST: 4096,
866 SNIPPET: 8192,
863 DTD: 1, 867 DTD: 1,
864 MEDIA: 16384, 868 MEDIA: 16384,
865 FONT: 32768, 869 FONT: 32768,
866 870
867 BACKGROUND: 4, // Backwards compat, same as IMAGE 871 BACKGROUND: 4, // Backwards compat, same as IMAGE
868 872
869 POPUP: 0x10000000, 873 POPUP: 0x10000000,
870 GENERICBLOCK: 0x20000000, 874 GENERICBLOCK: 0x20000000,
871 ELEMHIDE: 0x40000000, 875 ELEMHIDE: 0x40000000,
872 GENERICHIDE: 0x80000000 876 GENERICHIDE: 0x80000000
873 }; 877 };
874 878
875 // CSP, DOCUMENT, ELEMHIDE, POPUP, GENERICHIDE and GENERICBLOCK options 879 // CSP, SNIPPET, DOCUMENT, ELEMHIDE, POPUP, GENERICHIDE and GENERICBLOCK options
876 // shouldn't be there by default 880 // shouldn't be there by default
877 RegExpFilter.prototype.contentType &= ~(RegExpFilter.typeMap.CSP | 881 RegExpFilter.prototype.contentType &= ~(RegExpFilter.typeMap.CSP |
882 RegExpFilter.typeMap.SNIPPET |
878 RegExpFilter.typeMap.DOCUMENT | 883 RegExpFilter.typeMap.DOCUMENT |
879 RegExpFilter.typeMap.ELEMHIDE | 884 RegExpFilter.typeMap.ELEMHIDE |
880 RegExpFilter.typeMap.POPUP | 885 RegExpFilter.typeMap.POPUP |
881 RegExpFilter.typeMap.GENERICHIDE | 886 RegExpFilter.typeMap.GENERICHIDE |
882 RegExpFilter.typeMap.GENERICBLOCK); 887 RegExpFilter.typeMap.GENERICBLOCK);
883 888
884 /** 889 /**
885 * Class for blocking filters 890 * Class for blocking filters
886 * @param {string} text see Filter() 891 * @param {string} text see Filter()
887 * @param {string} regexpSource see RegExpFilter() 892 * @param {string} regexpSource see RegExpFilter()
888 * @param {number} contentType see RegExpFilter() 893 * @param {number} contentType see RegExpFilter()
889 * @param {boolean} matchCase see RegExpFilter() 894 * @param {boolean} matchCase see RegExpFilter()
890 * @param {string} domains see RegExpFilter() 895 * @param {string} domains see RegExpFilter()
891 * @param {boolean} thirdParty see RegExpFilter() 896 * @param {boolean} thirdParty see RegExpFilter()
892 * @param {string} sitekeys see RegExpFilter() 897 * @param {string} sitekeys see RegExpFilter()
893 * @param {boolean} collapse 898 * @param {boolean} collapse
894 * defines whether the filter should collapse blocked content, can be null 899 * defines whether the filter should collapse blocked content, can be null
895 * @param {string} [csp] 900 * @param {string} [csp]
896 * Content Security Policy to inject when the filter matches 901 * Content Security Policy to inject when the filter matches
902 * @param {string} [snippets]
903 * the code snippets to inject when the filter matches
897 * @constructor 904 * @constructor
898 * @augments RegExpFilter 905 * @augments RegExpFilter
899 */ 906 */
900 function BlockingFilter(text, regexpSource, contentType, matchCase, domains, 907 function BlockingFilter(text, regexpSource, contentType, matchCase, domains,
901 thirdParty, sitekeys, collapse, csp) 908 thirdParty, sitekeys, collapse, csp, snippets)
902 { 909 {
903 RegExpFilter.call(this, text, regexpSource, contentType, matchCase, domains, 910 RegExpFilter.call(this, text, regexpSource, contentType, matchCase, domains,
904 thirdParty, sitekeys); 911 thirdParty, sitekeys);
905 912
906 this.collapse = collapse; 913 this.collapse = collapse;
907 this.csp = csp; 914 this.csp = csp;
915 this.snippets = snippets;
908 } 916 }
909 exports.BlockingFilter = BlockingFilter; 917 exports.BlockingFilter = BlockingFilter;
910 918
911 BlockingFilter.prototype = extend(RegExpFilter, { 919 BlockingFilter.prototype = extend(RegExpFilter, {
912 type: "blocking", 920 type: "blocking",
913 921
914 /** 922 /**
915 * Defines whether the filter should collapse blocked content. 923 * Defines whether the filter should collapse blocked content.
916 * Can be null (use the global preference). 924 * Can be null (use the global preference).
917 * @type {boolean} 925 * @type {boolean}
918 */ 926 */
919 collapse: null, 927 collapse: null,
920 928
921 /** 929 /**
922 * Content Security Policy to inject for matching requests. 930 * Content Security Policy to inject for matching requests.
923 * @type {string} 931 * @type {string}
924 */ 932 */
925 csp: null 933 csp: null,
934
935 /**
936 * The code snippets to inject for matching requests.
937 * @type {string[]}
938 */
939 snippets: null
926 }); 940 });
927 941
928 /** 942 /**
929 * Class for whitelist filters 943 * Class for whitelist filters
930 * @param {string} text see Filter() 944 * @param {string} text see Filter()
931 * @param {string} regexpSource see RegExpFilter() 945 * @param {string} regexpSource see RegExpFilter()
932 * @param {number} contentType see RegExpFilter() 946 * @param {number} contentType see RegExpFilter()
933 * @param {boolean} matchCase see RegExpFilter() 947 * @param {boolean} matchCase see RegExpFilter()
934 * @param {string} domains see RegExpFilter() 948 * @param {string} domains see RegExpFilter()
935 * @param {boolean} thirdParty see RegExpFilter() 949 * @param {boolean} thirdParty see RegExpFilter()
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1080 */ 1094 */
1081 function ElemHideEmulationFilter(text, domains, selector) 1095 function ElemHideEmulationFilter(text, domains, selector)
1082 { 1096 {
1083 ElemHideBase.call(this, text, domains, selector); 1097 ElemHideBase.call(this, text, domains, selector);
1084 } 1098 }
1085 exports.ElemHideEmulationFilter = ElemHideEmulationFilter; 1099 exports.ElemHideEmulationFilter = ElemHideEmulationFilter;
1086 1100
1087 ElemHideEmulationFilter.prototype = extend(ElemHideBase, { 1101 ElemHideEmulationFilter.prototype = extend(ElemHideBase, {
1088 type: "elemhideemulation" 1102 type: "elemhideemulation"
1089 }); 1103 });
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