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Diffstat (limited to 'src/filter/filtercollection.cpp')
| -rw-r--r-- | src/filter/filtercollection.cpp | 171 |
1 files changed, 171 insertions, 0 deletions
diff --git a/src/filter/filtercollection.cpp b/src/filter/filtercollection.cpp new file mode 100644 index 0000000..7b07606 --- /dev/null +++ b/src/filter/filtercollection.cpp @@ -0,0 +1,171 @@ +/******************************************************************************* + ** + ** 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> + +#include <QTreeView> +#include "filtertree.h" +#include "filter.h" + +FilterCollection::FilterCollection(const QString path, QWidget *parent) : + QWidget(parent), + ui(new Ui::SubscriptionForm) +{ + ui->setupUi(this); + + ui->homepage->setText(path); + + qDebug("Adding subscription [%s]", qUtf8Printable(path)); + + m_filters = new FilterTree(this); + ui->treeView->setModel(m_filters); + + QFile filterFile(path); + if(!filterFile.open(QIODevice::ReadOnly)) { + qWarning("Could not open filter!"); + return; + } + + QJsonDocument filters(QJsonDocument::fromJson(filterFile.readAll())); + qDebug("Added %i rules", load(filters.object())); +} + +FilterCollection::~FilterCollection() +{ + delete ui; +} + +QString FilterCollection::name() const +{ + return ui->title->text(); +} + +/** + * 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(Filter *rule : m_filters->filters(info.firstPartyUrl().toString())) { + if(rule->isValid()) { + result.match = rule->hasMatch(info); + if(result.match) { + result.block = rule->shouldBlock(info); + } else { + result.block = false; + } + result.pattern = rule->domain() + " | " + rule->request(); + return result; + } + } + + // request matches neither whitelist nor blacklist + result.match = false; + result.block = false; + return result; +} + +/** + * Load rules from JSON object + * @param json + */ +int FilterCollection::load(const QJsonObject &json) +{ + int number = 0; + + ui->title->setText(json["name"].toString()); + ui->homepage->setText(json["url"].toString()); + + for(QJsonValue v : json["rules"].toArray()) { + ++number; + + QJsonObject obj = v.toObject(); + + Filter::ResourceRules r; + r.allowed = parseJsonRules(obj["allowTypes"]); + r.blocked = parseJsonRules(obj["blockTypes"]); + + m_filters->addFilter(obj["firstPartyUrl"].toString(), obj["requestUrl"].toString(), r, obj["shouldBlock"].toBool()); + } + + return number; +} + +Filter::Resources FilterCollection::parseJsonRules(const QJsonValue &obj) +{ + Filter::Resources res; + for(QJsonValue v : obj.toArray()) { + QString t = v.toString(); + if(t == "MainFrame") { + res.setFlag(Filter::ResourceType::MainFrame); + } else if(t == "SubFrame") { + res.setFlag(Filter::ResourceType::SubFrame); + } else if(t == "Stylesheet") { + res.setFlag(Filter::ResourceType::Stylesheet); + } else if(t == "Script") { + res.setFlag(Filter::ResourceType::Script); + } else if(t == "Image") { + res.setFlag(Filter::ResourceType::Image); + } else if(t == "FontResource") { + res.setFlag(Filter::ResourceType::Font); + } else if(t == "SubResource") { + res.setFlag(Filter::ResourceType::SubResource); + } else if(t == "Object") { + res.setFlag(Filter::ResourceType::Object); + } else if(t == "Media") { + res.setFlag(Filter::ResourceType::Media); + } else if(t == "Worker") { + res.setFlag(Filter::ResourceType::Worker); + } else if(t == "SharedWorker") { + res.setFlag(Filter::ResourceType::SharedWorker); + } else if(t == "Prefetch") { + res.setFlag(Filter::ResourceType::Prefetch); + } else if(t == "Favicon") { + res.setFlag(Filter::ResourceType::Favicon); + } else if(t == "Xhr") { + res.setFlag(Filter::ResourceType::Xhr); + } else if(t == "Ping") { + res.setFlag(Filter::ResourceType::Ping); + } else if(t == "ServiceWorker") { + res.setFlag(Filter::ResourceType::ServiceWorker); + } else if(t == "CspWorker") { + res.setFlag(Filter::ResourceType::CspReport); + } else if(t == "PluginResource") { + res.setFlag(Filter::ResourceType::PluginResource); + } + } + + return res; +} |