603 lines
19 KiB
C++
603 lines
19 KiB
C++
/******************************************************************************
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* Copyright 2007 by Aaron Seigo <aseigo@kde.org> *
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* Copyright 2007 by Riccardo Iaconelli <riccardo@kde.org> *
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* *
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* This library is free software; you can redistribute it and/or *
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* modify it under the terms of the GNU Library General Public *
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* License as published by the Free Software Foundation; either *
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* version 2 of the License, or (at your option) any later version. *
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* *
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* This library 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 GNU *
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* Library General Public License for more details. *
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* *
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* You should have received a copy of the GNU Library General Public License *
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* along with this library; see the file COPYING.LIB. If not, write to *
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* the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, *
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* Boston, MA 02110-1301, USA. *
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*******************************************************************************/
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#include "package.h"
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#include "config-plasma.h"
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#include <QDir>
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#include <QFile>
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#include <QRegExp>
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#include <QtNetwork/QHostInfo>
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#ifdef QCA2_FOUND
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#include <QtCrypto>
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#endif
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#include <karchive.h>
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#include <kcomponentdata.h>
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#include <kdesktopfile.h>
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#include <kio/copyjob.h>
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#include <kio/deletejob.h>
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#include <kio/jobclasses.h>
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#include <kio/job.h>
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#include <kmimetype.h>
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#include <kplugininfo.h>
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#include <kstandarddirs.h>
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#include <ktar.h>
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#include <ktempdir.h>
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#include <ktemporaryfile.h>
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#include <kzip.h>
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#include <kdebug.h>
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#include "authorizationmanager.h"
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#include "packagemetadata.h"
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#include "private/authorizationmanager_p.h"
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#include "private/package_p.h"
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#include "private/plasmoidservice_p.h"
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#include "private/service_p.h"
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namespace Plasma
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{
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Package::Package(const QString &packageRoot, const QString &package,
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PackageStructure::Ptr structure)
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: d(new PackagePrivate(structure, packageRoot + '/' + package))
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{
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}
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Package::Package(const QString &packagePath, PackageStructure::Ptr structure)
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: d(new PackagePrivate(structure, packagePath))
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{
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}
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Package::~Package()
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{
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delete d;
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}
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bool Package::isValid() const
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{
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if (!d->valid) {
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return false;
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}
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foreach (const char *dir, d->structure->requiredDirectories()) {
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if (!QFile::exists(d->structure->path() + d->structure->contentsPrefix() + d->structure->path(dir))) {
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kWarning() << "Could not find required directory" << dir;
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d->valid = false;
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return false;
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}
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}
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foreach (const char *file, d->structure->requiredFiles()) {
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if (!QFile::exists(d->structure->path() + d->structure->contentsPrefix() + d->structure->path(file))) {
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kWarning() << "Could not find required file" << file << ", look in"
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<< d->structure->path() + d->structure->contentsPrefix() + d->structure->path(file) << endl;
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d->valid = false;
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return false;
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}
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}
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return true;
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}
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QString Package::filePath(const char *fileType, const QString &filename) const
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{
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if (!d->valid) {
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kDebug() << "package is not valid";
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return QString();
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}
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QString path = d->structure->path(fileType);
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if (path.isEmpty()) {
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kDebug() << "no matching path came of it, while looking for" << fileType << filename;
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return QString();
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}
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path.prepend(d->structure->path() + d->structure->contentsPrefix());
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if (!filename.isEmpty()) {
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path.append("/").append(filename);
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}
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if (QFile::exists(path)) {
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if (d->structure->allowExternalPaths()) {
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return path;
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}
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// ensure that we don't return files outside of our base path
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// due to symlink or ../ games
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QDir dir(path);
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QString canonicalized = dir.canonicalPath() + QDir::separator();
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if (canonicalized.startsWith(d->structure->path())) {
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return path;
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}
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}
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kDebug() << path << "does not exist";
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return QString();
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}
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QString Package::filePath(const char *fileType) const
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{
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return filePath(fileType, QString());
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}
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QStringList Package::entryList(const char *fileType) const
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{
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if (!d->valid) {
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return QStringList();
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}
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return d->structure->entryList(fileType);
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}
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PackageMetadata Package::metadata() const
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{
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return d->structure->metadata();
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}
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void Package::setPath(const QString &path)
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{
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d->structure->setPath(path);
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d->valid = !d->structure->path().isEmpty();
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}
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const QString Package::path() const
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{
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return d->structure->path();
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}
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const PackageStructure::Ptr Package::structure() const
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{
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return d->structure;
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}
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#ifdef QCA2_FOUND
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void PackagePrivate::updateHash(const QString &basePath, const QString &subPath, const QDir &dir, QCA::Hash &hash)
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{
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// hash is calculated as a function of:
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// * files ordered alphabetically by name, with each file's:
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// * path relative to the content root
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// * file data
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// * directories ordered alphabetically by name, with each dir's:
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// * path relative to the content root
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// * file listing (recursing)
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// symlinks (in both the file and dir case) are handled by adding
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// the name of the symlink itself and the abs path of what it points to
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const QDir::SortFlags sorting = QDir::Name | QDir::IgnoreCase;
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const QDir::Filters filters = QDir::Hidden | QDir::System | QDir::NoDotAndDotDot;
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foreach (const QString &file, dir.entryList(QDir::Files | filters, sorting)) {
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if (!subPath.isEmpty()) {
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hash.update(subPath.toUtf8());
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}
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hash.update(file.toUtf8());
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QFileInfo info(dir.path() + '/' + file);
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if (info.isSymLink()) {
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hash.update(info.symLinkTarget().toUtf8());
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} else {
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QFile f(info.filePath());
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if (f.open(QIODevice::ReadOnly)) {
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while (!f.atEnd()) {
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hash.update(f.read(1024));
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}
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} else {
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kWarning() << "could not add" << f.fileName() << "to the hash; file could not be opened for reading. "
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<< "permissions fail?" << info.permissions() << info.isFile();
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}
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}
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}
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foreach (const QString &subDirPath, dir.entryList(QDir::Dirs | filters, sorting)) {
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const QString relativePath = subPath + subDirPath + '/';
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hash.update(relativePath.toUtf8());
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QDir subDir(dir.path());
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subDir.cd(subDirPath);
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if (subDir.path() != subDir.canonicalPath()) {
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hash.update(subDir.canonicalPath().toUtf8());
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} else {
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updateHash(basePath, relativePath, subDir, hash);
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}
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}
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}
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#endif
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QString Package::contentsHash() const
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{
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#ifdef QCA2_FOUND
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if (!QCA::isSupported("sha1")) {
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kWarning() << "can not create hash for" << path() << "due to no SHA1 support in QCA2";
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return QString();
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}
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const QString basePath = d->structure->path() + d->structure->contentsPrefix();
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QDir dir(basePath);
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if (!dir.exists()) {
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return QString();
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}
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QCA::Hash hash("sha1");
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QString metadataPath = d->structure->path() + "metadata.desktop";
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if (QFile::exists(metadataPath)) {
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QFile f(metadataPath);
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if (f.open(QIODevice::ReadOnly)) {
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while (!f.atEnd()) {
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hash.update(f.read(1024));
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}
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} else {
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kWarning() << "could not add" << f.fileName() << "to the hash; file could not be opened for reading.";
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}
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} else {
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kWarning() << "no metadata at" << metadataPath;
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}
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d->updateHash(basePath, QString(), dir, hash);
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return QCA::arrayToHex(hash.final().toByteArray());
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#else
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// no QCA2!
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kWarning() << "can not create hash for" << path() << "due to no cryptographic support (QCA2)";
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return QString();
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#endif
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}
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//TODO: provide a version of this that allows one to ask for certain types of packages, etc?
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// should we be using KService here instead/as well?
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QStringList Package::listInstalled(const QString &packageRoot) // static
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{
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QDir dir(packageRoot);
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if (!dir.exists()) {
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return QStringList();
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}
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QStringList packages;
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foreach (const QString &sdir, dir.entryList(QDir::AllDirs | QDir::Readable)) {
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QString metadata = packageRoot + '/' + sdir + "/metadata.desktop";
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if (QFile::exists(metadata)) {
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PackageMetadata m(metadata);
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packages << m.pluginName();
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}
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}
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return packages;
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}
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QStringList Package::listInstalledPaths(const QString &packageRoot) // static
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{
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QDir dir(packageRoot);
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if (!dir.exists()) {
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return QStringList();
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}
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QStringList packages;
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foreach (const QString &sdir, dir.entryList(QDir::AllDirs | QDir::Readable)) {
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QString metadata = packageRoot + '/' + sdir + "/metadata.desktop";
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if (QFile::exists(metadata)) {
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packages << sdir;
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}
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}
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return packages;
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}
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bool Package::installPackage(const QString &package,
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const QString &packageRoot,
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const QString &servicePrefix) // static
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{
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//TODO: report *what* failed if something does fail
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QDir root(packageRoot);
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if (!root.exists()) {
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KStandardDirs::makeDir(packageRoot);
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if (!root.exists()) {
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kWarning() << "Could not create package root directory:" << packageRoot;
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return false;
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}
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}
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QFileInfo fileInfo(package);
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if (!fileInfo.exists()) {
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kWarning() << "No such file:" << package;
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return false;
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}
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QString path;
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KTempDir tempdir;
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bool archivedPackage = false;
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if (fileInfo.isDir()) {
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// we have a directory, so let's just install what is in there
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path = package;
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// make sure we end in a slash!
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if (path[path.size() - 1] != '/') {
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path.append('/');
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}
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} else {
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KArchive *archive = 0;
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KMimeType::Ptr mimetype = KMimeType::findByPath(package);
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if (mimetype->is("application/zip")) {
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archive = new KZip(package);
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} else if (mimetype->is("application/x-compressed-tar") ||
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mimetype->is("application/x-tar") || mimetype->is("application/x-bzip-compressed-tar")) {
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archive = new KTar(package);
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} else {
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kWarning() << "Could not open package file, unsupported archive format:" << package << mimetype->name();
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return false;
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}
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if (!archive->open(QIODevice::ReadOnly)) {
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kWarning() << "Could not open package file:" << package;
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delete archive;
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return false;
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}
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archivedPackage = true;
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path = tempdir.name();
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const KArchiveDirectory *source = archive->directory();
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source->copyTo(path);
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QStringList entries = source->entries();
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if (entries.count() == 1) {
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const KArchiveEntry *entry = source->entry(entries[0]);
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if (entry->isDirectory()) {
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path.append(entry->name()).append("/");
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}
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}
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delete archive;
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}
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QString metadataPath = path + "metadata.desktop";
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if (!QFile::exists(metadataPath)) {
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kWarning() << "No metadata file in package" << package << metadataPath;
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return false;
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}
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PackageMetadata meta(metadataPath);
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QString targetName = meta.pluginName();
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if (targetName.isEmpty()) {
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kWarning() << "Package plugin name not specified";
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return false;
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}
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// Ensure that package names are safe so package uninstall can't inject
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// bad characters into the paths used for removal.
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QRegExp validatePluginName("^[\\w-\\.]+$"); // Only allow letters, numbers, underscore and period.
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if (!validatePluginName.exactMatch(targetName)) {
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kWarning() << "Package plugin name " << targetName << "contains invalid characters";
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return false;
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}
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targetName = packageRoot + '/' + targetName;
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if (QFile::exists(targetName)) {
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kWarning() << targetName << "already exists";
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return false;
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}
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if (archivedPackage) {
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// it's in a temp dir, so just move it over.
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KIO::CopyJob *job = KIO::move(KUrl(path), KUrl(targetName), KIO::HideProgressInfo);
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if (!job->exec()) {
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kWarning() << "Could not move package to destination:" << targetName << " : " << job->errorString();
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return false;
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}
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} else {
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// it's a directory containing the stuff, so copy the contents rather
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// than move them
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KIO::CopyJob *job = KIO::copy(KUrl(path), KUrl(targetName), KIO::HideProgressInfo);
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if (!job->exec()) {
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kWarning() << "Could not copy package to destination:" << targetName << " : " << job->errorString();
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return false;
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}
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}
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if (archivedPackage) {
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// no need to remove the temp dir (which has been successfully moved if it's an archive)
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tempdir.setAutoRemove(false);
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}
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if (!servicePrefix.isEmpty()) {
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// and now we register it as a service =)
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QString metaPath = targetName + "/metadata.desktop";
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KDesktopFile df(metaPath);
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KConfigGroup cg = df.desktopGroup();
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// Q: should not installing it as a service disqualify it?
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// Q: i don't think so since KServiceTypeTrader may not be
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// used by the installing app in any case, and the
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// package is properly installed - aseigo
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//TODO: reduce code duplication with registerPackage below
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QString serviceName = servicePrefix + meta.pluginName();
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QString service = KStandardDirs::locateLocal("services", serviceName + ".desktop");
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KIO::FileCopyJob *job = KIO::file_copy(metaPath, service, -1, KIO::HideProgressInfo);
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if (job->exec()) {
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// the icon in the installed file needs to point to the icon in the
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// installation dir!
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QString iconPath = targetName + '/' + cg.readEntry("Icon");
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QFile icon(iconPath);
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if (icon.exists()) {
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KDesktopFile df(service);
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KConfigGroup cg = df.desktopGroup();
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cg.writeEntry("Icon", iconPath);
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}
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} else {
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kWarning() << "Could not register package as service (this is not necessarily fatal):" << serviceName << " : " << job->errorString();
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}
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}
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return true;
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}
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bool Package::uninstallPackage(const QString &pluginName,
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const QString &packageRoot,
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const QString &servicePrefix) // static
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{
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// We need to remove the package directory and its metadata file.
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QString targetName = pluginName;
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targetName = packageRoot + '/' + targetName;
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if (!QFile::exists(targetName)) {
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kWarning() << targetName << "does not exist";
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return false;
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}
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QString serviceName = servicePrefix + pluginName;
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QString service = KStandardDirs::locateLocal("services", serviceName + ".desktop");
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kDebug() << "Removing service file " << service;
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bool ok = QFile::remove(service);
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if (!ok) {
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kWarning() << "Unable to remove " << service;
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return ok;
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}
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KIO::DeleteJob *job = KIO::del(KUrl(targetName));
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if (!job->exec()) {
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kWarning() << "Could not delete package from:" << targetName << " : " << job->errorString();
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return false;
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}
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return true;
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}
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bool Package::registerPackage(const PackageMetadata &data, const QString &iconPath)
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{
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QString serviceName("plasma-applet-" + data.pluginName());
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QString service = KStandardDirs::locateLocal("services", serviceName + ".desktop");
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if (data.pluginName().isEmpty()) {
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return false;
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}
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data.write(service);
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KDesktopFile config(service);
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KConfigGroup cg = config.desktopGroup();
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const QString type = data.type().isEmpty() ? "Service" : data.type();
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cg.writeEntry("Type", type);
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const QString serviceTypes = data.serviceType().isNull() ? "Plasma/Applet,Plasma/Containment" : data.serviceType();
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cg.writeEntry("X-KDE-ServiceTypes", serviceTypes);
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cg.writeEntry("X-KDE-PluginInfo-EnabledByDefault", true);
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QFile icon(iconPath);
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if (icon.exists()) {
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//FIXME: the '/' search will break on non-UNIX. do we care?
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QString installedIcon("plasma_applet_" + data.pluginName() +
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iconPath.right(iconPath.length() - iconPath.lastIndexOf("/")));
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cg.writeEntry("Icon", installedIcon);
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installedIcon = KStandardDirs::locateLocal("icon", installedIcon);
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KIO::FileCopyJob *job = KIO::file_copy(iconPath, installedIcon, -1, KIO::HideProgressInfo);
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job->exec();
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}
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return true;
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}
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bool Package::createPackage(const PackageMetadata &metadata,
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const QString &source,
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const QString &destination,
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const QString &icon) // static
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{
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Q_UNUSED(icon)
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if (!metadata.isValid()) {
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kWarning() << "Metadata file is not complete";
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return false;
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}
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// write metadata in a temporary file
|
|
KTemporaryFile metadataFile;
|
|
if (!metadataFile.open()) {
|
|
return false;
|
|
}
|
|
metadata.write(metadataFile.fileName());
|
|
|
|
// put everything into a zip archive
|
|
KZip creation(destination);
|
|
creation.setCompression(KZip::NoCompression);
|
|
if (!creation.open(QIODevice::WriteOnly)) {
|
|
return false;
|
|
}
|
|
|
|
creation.addLocalFile(metadataFile.fileName(), "metadata.desktop");
|
|
creation.addLocalDirectory(source, "contents");
|
|
creation.close();
|
|
return true;
|
|
}
|
|
|
|
PackagePrivate::PackagePrivate(const PackageStructure::Ptr st, const QString &p)
|
|
: structure(st),
|
|
service(0)
|
|
{
|
|
structure->setPath(p);
|
|
valid = !structure->path().isEmpty();
|
|
}
|
|
|
|
PackagePrivate::~PackagePrivate()
|
|
{
|
|
}
|
|
|
|
void PackagePrivate::publish(AnnouncementMethods methods)
|
|
{
|
|
if (!service) {
|
|
service = new PlasmoidService(structure->path());
|
|
}
|
|
|
|
QString resourceName =
|
|
i18nc("%1 is the name of a plasmoid, %2 the name of the machine that plasmoid is published on",
|
|
"%1 on %2", structure->metadata().name(), QHostInfo::localHostName());
|
|
kDebug() << "publishing package under name " << resourceName;
|
|
service->d->publish(methods, resourceName, structure->metadata());
|
|
}
|
|
|
|
void PackagePrivate::unpublish()
|
|
{
|
|
if (service) {
|
|
service->d->unpublish();
|
|
}
|
|
}
|
|
|
|
bool PackagePrivate::isPublished() const
|
|
{
|
|
if (service) {
|
|
return service->d->isPublished();
|
|
} else {
|
|
return false;
|
|
}
|
|
}
|
|
|
|
} // Namespace
|