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authorAqua-sama <aqua@iserlohn-fortress.net>2017-02-05 15:12:45 +0100
committerAqua-sama <aqua@iserlohn-fortress.net>2017-02-05 15:12:45 +0100
commit6d39c105cb453fdf071b9e0471b4ab62d75adb17 (patch)
treec31e1cf1b3b34eabdcaac8ef61b491a319dee298 /src/webengine
parentMore blocklist options (diff)
downloadsmolbote-6d39c105cb453fdf071b9e0471b4ab62d75adb17.tar.xz
Added RegExp class for the Blocker
Diffstat (limited to 'src/webengine')
-rw-r--r--src/webengine/blockerrule.cpp90
-rw-r--r--src/webengine/blockerrule.h16
-rw-r--r--src/webengine/regexp.cpp68
-rw-r--r--src/webengine/regexp.h35
4 files changed, 142 insertions, 67 deletions
diff --git a/src/webengine/blockerrule.cpp b/src/webengine/blockerrule.cpp
index 4146e85..79669b9 100644
--- a/src/webengine/blockerrule.cpp
+++ b/src/webengine/blockerrule.cpp
@@ -28,7 +28,6 @@
BlockerRule::BlockerRule(QString rule, QObject *parent) :
QObject(parent)
{
- m_rule = rule;
QString pattern = rule;
// Empty rule or comment
@@ -37,6 +36,12 @@ BlockerRule::BlockerRule(QString rule, QObject *parent) :
return;
}
+ // Ignore element hiding rules for now
+ if(pattern.contains("##") || pattern.contains("#@#")) {
+ m_type = RuleType::Invalid;
+ return;
+ }
+
// Exception
if(pattern.startsWith("@@")) {
m_exception = true;
@@ -89,13 +94,6 @@ BlockerRule::BlockerRule(QString rule, QObject *parent) :
pattern.remove(pattern.indexOf("$"), pattern.length());
}
- // Domain
- if(pattern.startsWith("||")) {
- m_type = RuleType::DomainMatch;
- m_domain = pattern.mid(2, pattern.indexOf("^")-2);
- return;
- }
-
// Regular expression
if(rule.startsWith("/") && rule.endsWith("/")) {
m_type = RuleType::RegularExpressionMatch;
@@ -103,39 +101,48 @@ BlockerRule::BlockerRule(QString rule, QObject *parent) :
return;
}
+ // Domain rules
+ if(pattern.startsWith("||")) {
+ pattern.remove(0, 2);
+ // find the end point for the domain
+ int end = pattern.indexOf(QRegularExpression("(?:[^\\w\\d\\_\\-\\.\\%]|$)"), 0);
+ domainExpression.setPattern(pattern.mid(0, end));
+ pattern.remove(0, end+1);
+ } else if(pattern.startsWith("|") && pattern.endsWith("|")) {
+ pattern.remove(0, 1);
+ pattern.chop(1);
+ domainExpression.setPattern(pattern);
+ } else {
+ domainExpression.setPattern(".*");
+ }
+
// Regular rule
- ruleExpression.setPattern(fromWildcardMatch(pattern));
- m_type = RuleType::WildcardMatch;
+ ruleExpression.setWildcardPattern(pattern);
+ m_type = RuleType::RegularExpressionMatch;
}
bool BlockerRule::match(const QWebEngineUrlRequestInfo &info)
{
- bool shouldBlock = false;
-
switch (m_type) {
case RuleType::Invalid:
- shouldBlock = false;
break;
- case DomainMatch:
- if(info.requestUrl().host() == m_domain) {
- if(matchOptions(info, m_whitelistOptions)) {
- shouldBlock = false;
- } else {
+ case RuleType::RegularExpressionMatch:
+ if(domainExpression.match(info.requestUrl().host())) {
+ if(ruleExpression.match(info.requestUrl().toString())) {
+ if(matchOptions(info, m_whitelistOptions)) {
+ return false;
+ }
if(matchOptions(info, m_blacklistOptions)) {
- shouldBlock = true;
+ return true;
}
+ return true;
}
}
break;
-
- case RegularExpressionMatch:
- case WildcardMatch:
- shouldBlock = ruleExpression.match(info.requestUrl().toString()).hasMatch();
- break;
}
- return shouldBlock;
+ return false;
}
bool BlockerRule::isValid()
@@ -153,38 +160,7 @@ bool BlockerRule::isException()
QString BlockerRule::toString() const
{
- return m_rule;
-}
-
-QString BlockerRule::fromWildcardMatch(const QString &pattern)
-{
- QString parsed;
-
- for(int i=0; i<pattern.length(); i++) {
- const QChar c = pattern.at(i);
- switch (c.toLatin1()) {
- case '*':
- parsed.append(".*");
- break;
- case '^':
- parsed.append("(?:[^\\w\\d\\_\\-\\.\\%]|$)");
- break;
- case '|':
- if(i == 0) {
- // beginning of string
- parsed.append('^');
- } else {
- // end of string
- parsed.append('$');
- }
- break;
- default:
- parsed.append(c);
- break;
- }
- }
-
- return parsed;
+ return QString("On [%1]: %2 %3").arg(domainExpression.pattern()).arg(ruleExpression.pattern()).arg(QString::number(m_blacklistOptions, 2));
}
bool BlockerRule::matchOptions(const QWebEngineUrlRequestInfo &info, const RuleOptions &options)
diff --git a/src/webengine/blockerrule.h b/src/webengine/blockerrule.h
index 810de6d..bdb2eb9 100644
--- a/src/webengine/blockerrule.h
+++ b/src/webengine/blockerrule.h
@@ -23,7 +23,7 @@
#include <QObject>
#include <QUrl>
-#include <QRegularExpression>
+#include "regexp.h"
#include <QWebEngineUrlRequestInfo>
class BlockerRule : public QObject
@@ -32,9 +32,7 @@ class BlockerRule : public QObject
public:
enum RuleType {
Invalid,
- DomainMatch,
- RegularExpressionMatch,
- WildcardMatch
+ RegularExpressionMatch
};
enum RuleOption {
@@ -70,16 +68,14 @@ signals:
public slots:
private:
- // TODO: subclass QRegularExpression and move this there
- QString fromWildcardMatch(const QString &pattern);
bool matchOptions(const QWebEngineUrlRequestInfo &info, const RuleOptions &options);
- QString m_rule;
-
RuleType m_type;
bool m_exception = false;
- QString m_domain;
- QRegularExpression ruleExpression;
+ QStringList hostsBlacklist;
+ QStringList hostsWhitelist;
+ RegExp domainExpression;
+ RegExp ruleExpression;
RuleOptions m_blacklistOptions;
RuleOptions m_whitelistOptions;
diff --git a/src/webengine/regexp.cpp b/src/webengine/regexp.cpp
new file mode 100644
index 0000000..4a5878a
--- /dev/null
+++ b/src/webengine/regexp.cpp
@@ -0,0 +1,68 @@
+/** LICENSE ********************************************************************
+ **
+ ** smolbote: yet another qute browser
+ ** Copyright (C) 2017 Xian Nox
+ **
+ ** This program is free software: you can redistribute it and/or modify
+ ** it under the terms of the GNU General Public License as published by
+ ** the Free Software Foundation, either version 3 of the License, or
+ ** (at your option) any later version.
+ **
+ ** This program is distributed in the hope that it will be useful,
+ ** but WITHOUT ANY WARRANTY; without even the implied warranty of
+ ** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ ** GNU General Public License for more details.
+ **
+ ** You should have received a copy of the GNU General Public License
+ ** along with this program. If not, see <http://www.gnu.org/licenses/>.
+ **
+ ******************************************************************************/
+
+#include "regexp.h"
+
+RegExp::RegExp() :
+ QRegularExpression()
+{
+}
+
+bool RegExp::match(const QString &subject, int offset, MatchType matchType, MatchOptions matchOptions) const
+{
+ if(pattern().isEmpty()) {
+ return true;
+ }
+ return QRegularExpression::match(subject, offset, matchType, matchOptions).hasMatch();
+}
+
+void RegExp::setWildcardPattern(const QString &pattern)
+{
+ QString parsed;
+
+ for(int i=0; i<pattern.length(); i++) {
+ const QChar c = pattern.at(i);
+ switch (c.toLatin1()) {
+ case '*':
+ // remove * at the start and end
+ if(i != 0 && i != pattern.length()-1) {
+ parsed.append(".*");
+ }
+ break;
+ case '^':
+ parsed.append("(?:[^\\w\\d\\_\\-\\.\\%]|$)");
+ break;
+ case '|':
+ if(i == 0) {
+ // beginning of string
+ parsed.append('^');
+ } else {
+ // end of string
+ parsed.append('$');
+ }
+ break;
+ default:
+ parsed.append(c);
+ break;
+ }
+ }
+
+ setPattern(parsed);
+}
diff --git a/src/webengine/regexp.h b/src/webengine/regexp.h
new file mode 100644
index 0000000..d66a98d
--- /dev/null
+++ b/src/webengine/regexp.h
@@ -0,0 +1,35 @@
+/** LICENSE ********************************************************************
+ **
+ ** smolbote: yet another qute browser
+ ** Copyright (C) 2017 Xian Nox
+ **
+ ** This program is free software: you can redistribute it and/or modify
+ ** it under the terms of the GNU General Public License as published by
+ ** the Free Software Foundation, either version 3 of the License, or
+ ** (at your option) any later version.
+ **
+ ** This program is distributed in the hope that it will be useful,
+ ** but WITHOUT ANY WARRANTY; without even the implied warranty of
+ ** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ ** GNU General Public License for more details.
+ **
+ ** You should have received a copy of the GNU General Public License
+ ** along with this program. If not, see <http://www.gnu.org/licenses/>.
+ **
+ ******************************************************************************/
+
+#ifndef REGEXP_H
+#define REGEXP_H
+
+#include <QRegularExpression>
+
+class RegExp : public QRegularExpression
+{
+public:
+ explicit RegExp();
+
+ bool match(const QString &subject, int offset=0, MatchType matchType=NormalMatch, MatchOptions matchOptions=NoMatchOption) const;
+ void setWildcardPattern(const QString &pattern);
+};
+
+#endif // REGEXP_H