From 7d8cbdb9941532cd5bf560b21395f6ed371d1ab5 Mon Sep 17 00:00:00 2001
From: Aqua-sama <aqua@iserlohn-fortress.net>
Date: Mon, 1 Oct 2018 16:43:18 +0200
Subject: Split off UrlFilter into library

- add more adblock filter options
---
 lib/web/urlfilter/adblockrule.cpp | 127 --------------------------------------
 1 file changed, 127 deletions(-)
 delete mode 100644 lib/web/urlfilter/adblockrule.cpp

(limited to 'lib/web/urlfilter/adblockrule.cpp')

diff --git a/lib/web/urlfilter/adblockrule.cpp b/lib/web/urlfilter/adblockrule.cpp
deleted file mode 100644
index 58b1941..0000000
--- a/lib/web/urlfilter/adblockrule.cpp
+++ /dev/null
@@ -1,127 +0,0 @@
-/*
- * This file is part of smolbote. It's copyrighted by the contributors recorded
- * in the version control history of the file, available from its original
- * location: https://neueland.iserlohn-fortress.net/smolbote.hg
- *
- * SPDX-License-Identifier: GPL-3.0
- */
-// Based on Falkon's AdBlockRule class
-
-#include "adblockrule.h"
-
-// adblock format documentation
-// https://adblockplus.org/filters
-
-// QString::mid(pos, len) - Returns a string starting at the specified position index.
-// QString::chop(len) - Removes n characters from the end of the string.
-// QString::remove(pos, len) - Removes n characters from the string, starting at the given position index.
-
-AdBlockRule::AdBlockRule(const QString &filter)
-{
-    originalFilter = filter;
-    QString parsedLine = filter.trimmed();
-
-    // there is no rule, or it's a comment
-    if(parsedLine.isEmpty() || parsedLine.startsWith("!")) {
-        return;
-    }
-
-    // css rule - ignore for now
-    if(parsedLine.contains(QLatin1Literal("##")) || parsedLine.contains(QLatin1Literal("#@#"))) {
-        return;
-    }
-
-    m_isEnabled = true;
-
-    // exception rules
-    if(parsedLine.startsWith(QLatin1Literal("@@"))) {
-        m_isBlocking = false;
-        parsedLine.remove(0, 2);
-    } else
-        m_isBlocking = true;
-
-    // parse options
-    {
-        const int sepPos = parsedLine.indexOf(QLatin1Literal("$"));
-        if(sepPos != -1) {
-            const auto options = parsedLine.mid(sepPos + 1).split(QLatin1Literal(","));
-            parsedLine = parsedLine.mid(0, sepPos);
-
-            for(const QString &option : options) {
-                if(option.startsWith(QLatin1Literal("domain"))) {
-                    const auto domainList = option.mid(7).split(QLatin1Literal("|"));
-                    for(const QString &domain : domainList) {
-                        if(domain.startsWith(QLatin1Literal("~")))
-                            blockedDomains.append(domain.mid(1));
-                        else
-                            allowedDomains.append(domain);
-                    }
-                } else if(option.endsWith(QLatin1Literal("script"))) {
-                    m_resourceTypeOptions.insert(QWebEngineUrlRequestInfo::ResourceTypeScript, !option.startsWith(QLatin1Literal("~")));
-
-                } else if(option.endsWith(QLatin1Literal("image"))) {
-                    m_resourceTypeOptions.insert(QWebEngineUrlRequestInfo::ResourceTypeImage, !option.startsWith(QLatin1Literal("~")));
-
-                } else if(option.endsWith(QLatin1Literal("stylesheet"))) {
-                    m_resourceTypeOptions.insert(QWebEngineUrlRequestInfo::ResourceTypeStylesheet, !option.startsWith(QLatin1Literal("~")));
-
-                } else if(option.endsWith(QLatin1Literal("object"))) {
-                    m_resourceTypeOptions.insert(QWebEngineUrlRequestInfo::ResourceTypeObject, !option.startsWith(QLatin1Literal("~")));
-
-                } else if(option.endsWith(QLatin1Literal("xmlhttprequest"))) {
-                    m_resourceTypeOptions.insert(QWebEngineUrlRequestInfo::ResourceTypeXhr, !option.startsWith(QLatin1Literal("~")));
-
-                } else if(option.endsWith(QLatin1Literal("other"))) {
-                    m_resourceTypeOptions.insert(QWebEngineUrlRequestInfo::ResourceTypeUnknown, !option.startsWith(QLatin1Literal("~")));
-                }
-            }
-        }
-    }
-
-    // regular expression rule
-    if(parsedLine.startsWith(QLatin1Literal("/")) && parsedLine.endsWith(QLatin1Literal("/"))) {
-        parsedLine = parsedLine.mid(1, parsedLine.length() - 2);
-
-        urlMatchType = RegularExpressionMatch;
-        regexp.setPattern(parsedLine);
-        return;
-    }
-
-    // string equals rule
-    if(parsedLine.startsWith(QLatin1Literal("|")) && parsedLine.endsWith(QLatin1Literal("|"))) {
-        urlMatchType = StringEquals;
-        match = parsedLine.mid(1, parsedLine.length() - 2);
-        return;
-    }
-
-    // Basic filter rules can use wildcards, which were supported by QRegExp,
-    // but were deprecated in QRegularExpression.
-
-    // remove beginning and ending wildcards
-    if(parsedLine.startsWith(QLatin1Literal("*")))
-        parsedLine = parsedLine.mid(1);
-
-    if(parsedLine.endsWith(QLatin1Literal("*")))
-        parsedLine.chop(1);
-
-    if(parsedLine.startsWith(QLatin1Literal("||")) && parsedLine.endsWith(QLatin1Literal("^"))) {
-        urlMatchType = DomainMatch;
-        match = parsedLine.mid(2, parsedLine.length() - 3);
-        return;
-    }
-
-    // check for wildcards and translate to regexp
-    // wildcard "*" - any number of characters
-    // separator "^" - end, ? or /
-    if(parsedLine.contains(QLatin1Literal("*")) || parsedLine.contains(QLatin1Literal("^"))) {
-        urlMatchType = RegularExpressionMatch;
-        parsedLine.replace(QLatin1Literal("||"), QLatin1Literal("^\\w+://"));
-        parsedLine.replace(QLatin1Literal("|"), QLatin1Literal("\\|"));
-        parsedLine.replace(QLatin1Literal("*"), QLatin1Literal(".*"));
-        parsedLine.replace(QLatin1Literal("^"), QLatin1Literal("($|\\?|\\/)"));
-        regexp.setPattern(parsedLine);
-        return;
-    }
-
-    match = parsedLine;
-}
-- 
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