26#include <QNetworkReply>
31 if ( mReply && mReply->isRunning() )
41 QNetworkRequest req( url );
49 QNetworkRequest request( r );
52 if ( !mAuthCfg.isEmpty() )
57 mContentLoaded =
false;
64 mReply->deleteLater();
69 if ( !mAuthCfg.isEmpty() )
73 mReply->setParent(
nullptr );
74 connect( mReply, &QNetworkReply::finished,
this, [
this] { contentLoaded(); } );
77 auto onError = [
this]( QNetworkReply::NetworkError code )
84 connect( mReply, &QNetworkReply::errorOccurred,
this, onError );
89 if ( !mContentLoaded )
104 if ( !mContentLoaded || !mReply )
109 QByteArray array = mReply->readAll();
112 QTextCodec *codec = codecForHtml( array );
113 return codec->toUnicode( array );
124 mReply->deleteLater();
134QTextCodec *QgsNetworkContentFetcher::codecForHtml( QByteArray &array )
const
141 QTextCodec *codec = QTextCodec::codecForUtfText( array,
nullptr );
148 const QByteArray header = array.left( 1024 ).toLower();
149 int pos = header.indexOf(
"meta charset=" );
152 pos += int( strlen(
"meta charset=" ) ) + 1;
153 const int pos2 = header.indexOf(
'\"', pos );
154 const QByteArray cs = header.mid( pos, pos2 - pos );
155 codec = QTextCodec::codecForName( cs );
163 codec = QTextCodec::codecForHtml( array, codec );
170 return QTextCodec::codecForName(
"UTF-8" );
173void QgsNetworkContentFetcher::contentLoaded(
bool ok )
183 if ( mReply->error() != QNetworkReply::NoError )
185 QgsMessageLog::logMessage( tr(
"HTTP fetch %1 failed with error %2" ).arg( mReply->url().toString(), mReply->errorString() ) );
186 mContentLoaded =
true;
191 const QVariant redirect = mReply->attribute( QNetworkRequest::RedirectionTargetAttribute );
195 const QVariant status = mReply->attribute( QNetworkRequest::HttpStatusCodeAttribute );
198 QgsMessageLog::logMessage( tr(
"HTTP fetch %1 failed with error %2" ).arg( mReply->url().toString(), status.toString() ) );
200 mContentLoaded =
true;
206 mReply->deleteLater();
static QgsAuthManager * authManager()
Returns the application's authentication manager instance.
bool updateNetworkRequest(QNetworkRequest &request, const QString &authcfg, const QString &dataprovider=QString())
Provider call to update a QNetworkRequest with an authentication config.
bool updateNetworkReply(QNetworkReply *reply, const QString &authcfg, const QString &dataprovider=QString())
Provider call to update a QNetworkReply with an authentication config (used to skip known SSL errors,...
static void logMessage(const QString &message, const QString &tag=QString(), Qgis::MessageLevel level=Qgis::MessageLevel::Warning, bool notifyUser=true)
Adds a message to the log instance (and creates it if necessary).
static QgsNetworkAccessManager * instance(Qt::ConnectionType connectionType=Qt::BlockingQueuedConnection)
Returns a pointer to the active QgsNetworkAccessManager for the current thread.
QString contentDispositionFilename() const
Returns the associated filename from the reply's content disposition header, if present.
void finished()
Emitted when content has loaded.
bool wasCanceled() const
Returns true if the fetching was canceled.
~QgsNetworkContentFetcher() override
void errorOccurred(QNetworkReply::NetworkError code, const QString &errorMsg)
Emitted when an error with code error occurred while processing the request errorMsg is a textual des...
void cancel()
Cancels any ongoing request.
void downloadProgress(qint64 bytesReceived, qint64 bytesTotal)
Emitted when data is received.
QNetworkReply * reply()
Returns a reference to the network reply.
QString contentAsString() const
Returns the fetched content as a string.
void fetchContent(const QUrl &url, const QString &authcfg=QString())
Fetches content from a remote URL and handles redirects.
static QString extractFilenameFromContentDispositionHeader(QNetworkReply *reply)
Extracts the filename component of the content disposition header from a network reply.
static bool isNull(const QVariant &variant, bool silenceNullWarnings=false)
Returns true if the specified variant should be considered a NULL value.
#define QgsSetRequestInitiatorClass(request, _class)