1 files changed, 138 insertions, 0 deletions
diff --git a/src/blocker/blockersubscription.cpp b/src/blocker/blockersubscription.cpp
new file mode 100644
index 0000000..02def48
--- /dev/null
+++ b/src/blocker/blockersubscription.cpp
@@ -0,0 +1,138 @@
+/** 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 "blockersubscription.h"
+#include "ui_subscriptionform.h"
+
+#include "browser.h"
+#include <QFile>
+#include <QNetworkRequest>
+#include <QNetworkReply>
+
+BlockerSubscription::BlockerSubscription(const QString url, QWidget *parent) :
+    QWidget(parent),
+    ui(new Ui::SubscriptionForm)
+{
+    ui->setupUi(this);
+    QUrl _url = QUrl::fromUserInput(url);
+    m_name = _url.fileName();
+
+    if(!sSettings->value("blocker.path").toString().isEmpty()) {
+        QString cacheName = sSettings->value("blocker.path").toString() + m_name;
+        QFile *cache = new QFile(cacheName);
+        if(cache->exists()) {
+            load(cache);
+        }
+
+    } else {
+
+        // no cache path specified - pull the subscription
+        QNetworkRequest request;
+        request.setUrl(QUrl::fromUserInput(url));
+
+        QNetworkReply *reply = sNetwork->get(request);
+        connect(reply, &QNetworkReply::finished, [this, reply]() {
+            this->load(reply);
+        });
+    }
+}
+
+BlockerSubscription::~BlockerSubscription()
+{
+    delete ui;
+}
+
+QString BlockerSubscription::name() const
+{
+    return m_name;
+}
+
+void BlockerSubscription::load(QIODevice *dev)
+{
+    QTextStream subscription(dev);
+
+    QString header = subscription.readLine();
+    if(!header.startsWith("[Adblock Plus")) {
+        qDebug("Invalid format of subscription: %s", qUtf8Printable(m_name));
+        return;
+    }
+
+    // clear all lists
+    m_urlBlacklist.clear();
+    m_urlWhitelist.clear();
+    int rules = 0;
+
+    while(!subscription.atEnd()) {
+        QString line = subscription.readLine();
+        if(!line.isEmpty()) {
+            if(line.startsWith('!')) {
+                parseComment(line);
+            } else {
+                // The line is not a comment
+
+                rules++;
+                BlockerRule *rule = new BlockerRule(line, this);
+
+                if(rule->isValid()) {
+                    if(rule->isException()) {
+                        m_urlWhitelist.append(rule);
+                        ui->whitelist_listWidget->addItem(rule->toString());
+                    } else {
+                        ui->blacklist_listWidget->addItem(rule->toString());
+                        m_urlBlacklist.append(rule);
+                    }
+                }
+
+            }
+        }
+    }
+
+    qDebug("Loaded %i/%i rules from subscription %s", m_urlBlacklist.count() + m_urlWhitelist.count(), rules, qUtf8Printable(m_name));
+    dev->deleteLater();
+}
+
+
+void BlockerSubscription::parseComment(const QString &line)
+{
+    if(line.startsWith("! Title: ")) {
+        ui->title->setText(line.right(line.length() - 9));
+        return;
+    }
+    if(line.startsWith("! Homepage: ")) {
+        ui->homepage->setText(line.right(line.length() - 12));
+        return;
+    }
+    if(line.startsWith("! Licence: ")) {
+        ui->license->setText(line.right(line.length() - 11));
+        return;
+    }
+    if(line.startsWith("! Version: ")) {
+        ui->version->setText(line.right(line.length() - 11));
+        return;
+    }
+    if(line.startsWith("! Last modified: ")) {
+        ui->lastModified->setText(line.right(line.length() - 17));
+        return;
+    }
+    if(line.startsWith("! Expires: ")) {
+        ui->expires->setText(line.right(line.length() - 11).left(2));
+        return;
+    }
+}