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Diffstat (limited to 'src/blocker/filtercollection.cpp')
| -rw-r--r-- | src/blocker/filtercollection.cpp | 174 |
1 files changed, 174 insertions, 0 deletions
diff --git a/src/blocker/filtercollection.cpp b/src/blocker/filtercollection.cpp new file mode 100644 index 0000000..2262008 --- /dev/null +++ b/src/blocker/filtercollection.cpp @@ -0,0 +1,174 @@ +/******************************************************************************* + ** + ** 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 "filtercollection.h" +#include "ui_subscriptionform.h" + +#include "browser.h" +#include <QNetworkRequest> +#include <QNetworkReply> + +#include <QJsonDocument> +#include <QJsonObject> +#include <QJsonArray> + +#include <QListWidget> +#include <QLabel> + +FilterCollection::FilterCollection(const QString path, QWidget *parent) : + QWidget(parent), + ui(new Ui::SubscriptionForm) +{ + ui->setupUi(this); + + m_name = "TODO"; + m_url = path; + + qDebug("Adding subscription [%s]", qUtf8Printable(m_url)); + + + QFile filterFile(m_url); + if(!filterFile.open(QIODevice::ReadOnly)) { + qWarning("Could not open filter!"); + return; + } + + QJsonDocument filters(QJsonDocument::fromJson(filterFile.readAll())); + load(filters.object()); + + qDebug("Added %i rules", m_rules.size()); +} + +FilterCollection::~FilterCollection() +{ + delete ui; +} + +QString FilterCollection::name() const +{ + return m_name; +} + +/** + * Check if a URL request should be blocked or not + * @param info + * @return true if it should be blocked; false otherwise + */ +FilterCollection::MatchResult FilterCollection::match(QWebEngineUrlRequestInfo &info) +{ + MatchResult result; + + for(FilterRule *rule : qAsConst(m_rules)) { + result.match = rule->hasMatch(info); + if(result.match) { + result.block = rule->shouldBlock(info); + } else { + result.block = false; + } + result.pattern = rule->filter(); + return result; + } + + // request matches neither whitelist nor blacklist + result.match = false; + result.block = false; + return result; +} + +void FilterCollection::load(const QJsonObject &json) +{ + m_name = json["name"].toString(); + ui->title->setText(m_name); + + m_url = json["url"].toString(); + ui->homepage->setText(m_url); + + FilterRule *r; + for(QJsonValue v : json["rules"].toArray()) { + r = createRule(v.toObject()); + m_rules.append(r); + ui->blacklist_listWidget->addItem(r->filter()); + } +} + +/** + * Create rule from JSON object + * @param obj + * @return + */ +FilterRule* FilterCollection::createRule(const QJsonObject &obj) +{ + FilterRule *rule; + + FilterRule::ResourceRules r; + r.allowed = parseJsonRules(obj["allowTypes"]); + r.blocked = parseJsonRules(obj["blockTypes"]); + + rule = new FilterRule(obj["firstPartyUrl"].toString(), obj["requestUrl"].toString(), r, obj["shouldBlock"].toBool(), this); + + return rule; +} + +FilterRule::Resources FilterCollection::parseJsonRules(const QJsonValue &obj) +{ + FilterRule::Resources res; + for(QJsonValue v : obj.toArray()) { + QString t = v.toString(); + if(t == "MainFrame") { + res.setFlag(FilterRule::ResourceType::MainFrame); + } else if(t == "SubFrame") { + res.setFlag(FilterRule::ResourceType::SubFrame); + } else if(t == "Stylesheet") { + res.setFlag(FilterRule::ResourceType::Stylesheet); + } else if(t == "Script") { + res.setFlag(FilterRule::ResourceType::Script); + } else if(t == "Image") { + res.setFlag(FilterRule::ResourceType::Image); + } else if(t == "FontResource") { + res.setFlag(FilterRule::ResourceType::FontResource); + } else if(t == "SubResource") { + res.setFlag(FilterRule::ResourceType::SubResource); + } else if(t == "Object") { + res.setFlag(FilterRule::ResourceType::Object); + } else if(t == "Media") { + res.setFlag(FilterRule::ResourceType::Media); + } else if(t == "Worker") { + res.setFlag(FilterRule::ResourceType::Worker); + } else if(t == "SharedWorker") { + res.setFlag(FilterRule::ResourceType::SharedWorker); + } else if(t == "Prefetch") { + res.setFlag(FilterRule::ResourceType::Prefetch); + } else if(t == "Favicon") { + res.setFlag(FilterRule::ResourceType::Favicon); + } else if(t == "Xhr") { + res.setFlag(FilterRule::ResourceType::Xhr); + } else if(t == "Ping") { + res.setFlag(FilterRule::ResourceType::Ping); + } else if(t == "ServiceWorker") { + res.setFlag(FilterRule::ResourceType::ServiceWorker); + } else if(t == "CspWorker") { + res.setFlag(FilterRule::ResourceType::CspReport); + } else if(t == "PluginResource") { + res.setFlag(FilterRule::ResourceType::PluginResource); + } + } + + return res; +} |