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101 lines
2.4 KiB
101 lines
2.4 KiB
/*
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This file is part of cpp-ethereum.
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cpp-ethereum is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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cpp-ethereum is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with cpp-ethereum. If not, see <http://www.gnu.org/licenses/>.
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*/
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/** @file DappLoader.h
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* @author Arkadiy Paronyan <arkadiy@ethdev.org>
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* @date 2015
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*/
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#pragma once
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#include <map>
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#include <string>
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#include <vector>
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#include <QObject>
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#include <QString>
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#include <QUrl>
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#include <QNetworkAccessManager>
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#include <libdevcore/FixedHash.h>
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namespace dev
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{
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class WebThreeDirect;
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class RLP;
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}
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struct ManifestEntry
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{
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std::string path;
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dev::h256 hash;
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std::string contentType;
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unsigned httpStatus;
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};
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struct Manifest
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{
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std::vector<ManifestEntry> entries;
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};
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struct Dapp
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{
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Manifest manifest;
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std::map<dev::h256, dev::bytes> content;
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};
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struct DappLocation
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{
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QString canonDomain;
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QString path;
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QString contentUri;
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dev::h256 contentHash;
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};
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///Downloads, unpacks and prepares DApps for hosting
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class DappLoader: public QObject
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{
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Q_OBJECT
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public:
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DappLoader(QObject* _parent, dev::WebThreeDirect* _web3);
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///Load a new DApp. Resolves a name with a name reg contract. Asynchronous. dappReady is emitted once everything is read, dappError othervise
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///@param _uri Eth name path
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void loadDapp(QString const& _uri);
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///Load a regular html page
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///@param _uri Page Uri
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void loadPage(QString const& _uri);
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signals:
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void dappReady(Dapp& _dapp);
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void pageReady(QByteArray const& _content, QString const& _mimeType, QUrl const& _uri);
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void dappError();
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private slots:
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void downloadComplete(QNetworkReply* _reply);
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private:
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dev::WebThreeDirect* web3() const { return m_web3; }
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DappLocation resolveAppUri(QString const& _uri);
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void loadDapp(dev::RLP const& _rlp);
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Manifest loadManifest(std::string const& _manifest);
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QByteArray const& web3Content();
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dev::WebThreeDirect* m_web3;
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QNetworkAccessManager m_net;
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std::map<QUrl, dev::h256> m_uriHashes;
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std::set<QUrl> m_pageUrls;
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QByteArray m_web3Js;
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};
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