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qgsauthbasicmethod.cpp
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qgsauthbasicmethod.cpp
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/***************************************************************************
qgsauthbasicmethod.cpp
---------------------
begin : September 1, 2015
copyright : (C) 2015 by Boundless Spatial, Inc. USA
author : Larry Shaffer
email : lshaffer at boundlessgeo dot com
***************************************************************************
* *
* 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 2 of the License, or *
* (at your option) any later version. *
* *
***************************************************************************/
#include "qgsauthbasicmethod.h"
#include "qgsauthbasicedit.h"
#include "qgsauthmanager.h"
#include "qgslogger.h"
#include "qgsapplication.h"
#include <QNetworkProxy>
#include <QMutexLocker>
#include <QUuid>
static const QString AUTH_METHOD_KEY = QStringLiteral( "Basic" );
static const QString AUTH_METHOD_DESCRIPTION = QStringLiteral( "Basic authentication" );
QMap<QString, QgsAuthMethodConfig> QgsAuthBasicMethod::sAuthConfigCache = QMap<QString, QgsAuthMethodConfig>();
QgsAuthBasicMethod::QgsAuthBasicMethod()
{
setVersion( 2 );
setExpansions( QgsAuthMethod::NetworkRequest | QgsAuthMethod::DataSourceUri );
setDataProviders( QStringList()
<< QStringLiteral( "postgres" )
<< QStringLiteral( "oracle" )
<< QStringLiteral( "db2" )
<< QStringLiteral( "ows" )
<< QStringLiteral( "wfs" ) // convert to lowercase
<< QStringLiteral( "wcs" )
<< QStringLiteral( "wms" )
<< QStringLiteral( "ogr" )
<< QStringLiteral( "gdal" )
<< QStringLiteral( "proxy" ) );
}
QString QgsAuthBasicMethod::key() const
{
return AUTH_METHOD_KEY;
}
QString QgsAuthBasicMethod::description() const
{
return AUTH_METHOD_DESCRIPTION;
}
QString QgsAuthBasicMethod::displayDescription() const
{
return tr( "Basic authentication" );
}
bool QgsAuthBasicMethod::updateNetworkRequest( QNetworkRequest &request, const QString &authcfg,
const QString &dataprovider )
{
Q_UNUSED( dataprovider )
QgsAuthMethodConfig mconfig = getMethodConfig( authcfg );
if ( !mconfig.isValid() )
{
QgsDebugMsg( QStringLiteral( "Update request config FAILED for authcfg: %1: config invalid" ).arg( authcfg ) );
return false;
}
QString username = mconfig.config( QStringLiteral( "username" ) );
QString password = mconfig.config( QStringLiteral( "password" ) );
if ( !username.isEmpty() )
{
request.setRawHeader( "Authorization", "Basic " + QStringLiteral( "%1:%2" ).arg( username, password ).toUtf8().toBase64() );
}
return true;
}
bool QgsAuthBasicMethod::updateDataSourceUriItems( QStringList &connectionItems, const QString &authcfg,
const QString &dataprovider )
{
Q_UNUSED( dataprovider )
QMutexLocker locker( &mMutex );
QgsAuthMethodConfig mconfig = getMethodConfig( authcfg );
if ( !mconfig.isValid() )
{
QgsDebugMsg( QStringLiteral( "Update URI items FAILED for authcfg: %1: basic config invalid" ).arg( authcfg ) );
return false;
}
QString username = mconfig.config( QStringLiteral( "username" ) );
QString password = mconfig.config( QStringLiteral( "password" ) );
if ( username.isEmpty() )
{
QgsDebugMsg( QStringLiteral( "Update URI items FAILED for authcfg: %1: username empty" ).arg( authcfg ) );
return false;
}
QString sslMode = QStringLiteral( "prefer" );
int sslModeIdx = connectionItems.indexOf( QRegExp( "^sslmode=.*" ) );
if ( sslModeIdx != -1 )
{
sslMode = connectionItems.at( sslModeIdx ).split( '=' ).at( 1 );
}
// SSL Extra CAs
QString caparam;
QList<QSslCertificate> cas;
if ( sslMode.startsWith( QLatin1String( "verify-" ) ) )
{
cas = QgsApplication::authManager()->trustedCaCerts();
// save CAs to temp file
QString tempFileBase = QStringLiteral( "tmp_basic_%1.pem" );
QString caFilePath = QgsAuthCertUtils::pemTextToTempFile(
tempFileBase.arg( QUuid::createUuid().toString() ),
QgsAuthCertUtils::certsToPemText( cas ) );
if ( ! caFilePath.isEmpty() )
{
caparam = "sslrootcert='" + caFilePath + "'";
}
}
// Branch for OGR
if ( dataprovider == QLatin1String( "ogr" ) || dataprovider == QLatin1String( "gdal" ) )
{
if ( ! password.isEmpty() )
{
QString fullUri( connectionItems.first() );
QString uri( fullUri );
// Handle sub-layers
if ( fullUri.contains( '|' ) )
{
uri = uri.left( uri.indexOf( '|' ) );
}
// At least username must be set... password can be empty
if ( ! username.isEmpty() )
{
// Inject credentials
if ( uri.startsWith( QLatin1String( "PG:" ) ) )
{
bool chopped = false;
if ( uri.endsWith( '"' ) )
{
uri.chop( 1 );
chopped = true;
}
uri += QStringLiteral( " user='%1'" ).arg( username );
uri += QStringLiteral( " password='%1'" ).arg( password );
// add extra CAs
if ( ! caparam.isEmpty() )
{
uri += ' ' + caparam;
}
if ( chopped )
uri += '"';
}
else if ( uri.startsWith( QLatin1String( "SDE:" ) ) )
{
uri = uri.replace( QRegExp( ",$" ), QStringLiteral( ",%1,%2" ).arg( username, password ) );
}
else if ( uri.startsWith( QLatin1String( "IDB" ) ) )
{
bool chopped = false;
if ( uri.endsWith( '"' ) )
{
uri.chop( 1 );
chopped = true;
}
uri += QStringLiteral( " user=%1" ).arg( username );
uri += QStringLiteral( " pass=%1" ).arg( password );
if ( chopped )
uri += '"';
}
else if ( uri.startsWith( QLatin1String( "@driver=ingres" ) ) )
{
uri += QStringLiteral( ",userid=%1" ).arg( username );
uri += QStringLiteral( ",password=%1" ).arg( password );
}
else if ( uri.startsWith( QLatin1String( "MySQL:" ) ) )
{
uri += QStringLiteral( ",user=%1" ).arg( username );
uri += QStringLiteral( ",password=%1" ).arg( password );
}
else if ( uri.startsWith( QLatin1String( "MSSQL:" ) ) )
{
uri += QStringLiteral( ";uid=%1" ).arg( username );
uri = uri.replace( QLatin1String( ";trusted_connection=yes" ), QString() );
uri += QStringLiteral( ";pwd=%1" ).arg( password );
}
else if ( uri.startsWith( QLatin1String( "OCI:" ) ) )
{
// OCI:userid/password@database_instance:table,table
uri = uri.replace( QLatin1String( "OCI:/" ), QStringLiteral( "OCI:%1/%2" ).arg( username, password ) );
}
else if ( uri.startsWith( QLatin1String( "ODBC:" ) ) )
{
uri = uri.replace( QRegExp( "^ODBC:@?" ), "ODBC:" + username + '/' + password + '@' );
}
else if ( uri.startsWith( QLatin1String( "couchdb" ) )
|| uri.startsWith( QLatin1String( "DODS" ) )
|| uri.startsWith( "http://" )
|| uri.startsWith( "/vsicurl/http://" )
|| uri.startsWith( "https://" )
|| uri.startsWith( "/vsicurl/https://" )
|| uri.startsWith( "ftp://" )
|| uri.startsWith( "/vsicurl/ftp://" )
)
{
uri = uri.replace( QLatin1String( "://" ), QStringLiteral( "://%1:%2@" ).arg( username, password ) );
}
}
// Handle sub-layers
if ( fullUri.contains( '|' ) )
{
uri += '|' + fullUri.right( fullUri.length() - fullUri.lastIndexOf( '|' ) - 1 );
}
connectionItems.replace( 0, uri );
}
else
{
QgsDebugMsg( QStringLiteral( "Update URI items FAILED for authcfg: %1: password empty" ).arg( authcfg ) );
}
}
else // Not-ogr
{
QString userparam = "user='" + escapeUserPass( username ) + '\'';
int userindx = connectionItems.indexOf( QRegExp( "^user='.*" ) );
if ( userindx != -1 )
{
connectionItems.replace( userindx, userparam );
}
else
{
connectionItems.append( userparam );
}
QString passparam = "password='" + escapeUserPass( password ) + '\'';
int passindx = connectionItems.indexOf( QRegExp( "^password='.*" ) );
if ( passindx != -1 )
{
connectionItems.replace( passindx, passparam );
}
else
{
connectionItems.append( passparam );
}
// add extra CAs
if ( ! caparam.isEmpty() )
{
int sslcaindx = connectionItems.indexOf( QRegExp( "^sslrootcert='.*" ) );
if ( sslcaindx != -1 )
{
connectionItems.replace( sslcaindx, caparam );
}
else
{
connectionItems.append( caparam );
}
}
}
return true;
}
bool QgsAuthBasicMethod::updateNetworkProxy( QNetworkProxy &proxy, const QString &authcfg, const QString &dataprovider )
{
Q_UNUSED( dataprovider )
QMutexLocker locker( &mMutex );
QgsAuthMethodConfig mconfig = getMethodConfig( authcfg );
if ( !mconfig.isValid() )
{
QgsDebugMsg( QStringLiteral( "Update proxy config FAILED for authcfg: %1: config invalid" ).arg( authcfg ) );
return false;
}
QString username = mconfig.config( QStringLiteral( "username" ) );
QString password = mconfig.config( QStringLiteral( "password" ) );
if ( !username.isEmpty() )
{
proxy.setUser( username );
proxy.setPassword( password );
}
return true;
}
void QgsAuthBasicMethod::updateMethodConfig( QgsAuthMethodConfig &mconfig )
{
QMutexLocker locker( &mMutex );
if ( mconfig.hasConfig( QStringLiteral( "oldconfigstyle" ) ) )
{
QgsDebugMsg( QStringLiteral( "Updating old style auth method config" ) );
QStringList conflist = mconfig.config( QStringLiteral( "oldconfigstyle" ) ).split( QStringLiteral( "|||" ) );
mconfig.setConfig( QStringLiteral( "realm" ), conflist.at( 0 ) );
mconfig.setConfig( QStringLiteral( "username" ), conflist.at( 1 ) );
mconfig.setConfig( QStringLiteral( "password" ), conflist.at( 2 ) );
mconfig.removeConfig( QStringLiteral( "oldconfigstyle" ) );
}
// TODO: add updates as method version() increases due to config storage changes
}
void QgsAuthBasicMethod::clearCachedConfig( const QString &authcfg )
{
removeMethodConfig( authcfg );
}
QgsAuthMethodConfig QgsAuthBasicMethod::getMethodConfig( const QString &authcfg, bool fullconfig )
{
QMutexLocker locker( &mMutex );
QgsAuthMethodConfig mconfig;
// check if it is cached
if ( sAuthConfigCache.contains( authcfg ) )
{
mconfig = sAuthConfigCache.value( authcfg );
QgsDebugMsg( QStringLiteral( "Retrieved config for authcfg: %1" ).arg( authcfg ) );
return mconfig;
}
// else build basic bundle
if ( !QgsApplication::authManager()->loadAuthenticationConfig( authcfg, mconfig, fullconfig ) )
{
QgsDebugMsg( QStringLiteral( "Retrieve config FAILED for authcfg: %1" ).arg( authcfg ) );
return QgsAuthMethodConfig();
}
// cache bundle
putMethodConfig( authcfg, mconfig );
return mconfig;
}
void QgsAuthBasicMethod::putMethodConfig( const QString &authcfg, const QgsAuthMethodConfig &mconfig )
{
QMutexLocker locker( &mMutex );
QgsDebugMsg( QStringLiteral( "Putting basic config for authcfg: %1" ).arg( authcfg ) );
sAuthConfigCache.insert( authcfg, mconfig );
}
void QgsAuthBasicMethod::removeMethodConfig( const QString &authcfg )
{
QMutexLocker locker( &mMutex );
if ( sAuthConfigCache.contains( authcfg ) )
{
sAuthConfigCache.remove( authcfg );
QgsDebugMsg( QStringLiteral( "Removed basic config for authcfg: %1" ).arg( authcfg ) );
}
}
QString QgsAuthBasicMethod::escapeUserPass( const QString &val, QChar delim ) const
{
QString escaped = val;
escaped.replace( '\\', QLatin1String( "\\\\" ) );
escaped.replace( delim, QStringLiteral( "\\%1" ).arg( delim ) );
return escaped;
}
//////////////////////////////////////////////
// Plugin externals
//////////////////////////////////////////////
/**
* Required class factory to return a pointer to a newly created object
*/
QGISEXTERN QgsAuthBasicMethod *classFactory()
{
return new QgsAuthBasicMethod();
}
/**
* Required key function (used to map the plugin to a data store type)
*/
QGISEXTERN QString authMethodKey()
{
return AUTH_METHOD_KEY;
}
/**
* Required description function
*/
QGISEXTERN QString description()
{
return AUTH_METHOD_DESCRIPTION;
}
/**
* Required isAuthMethod function. Used to determine if this shared library
* is an authentication method plugin
*/
QGISEXTERN bool isAuthMethod()
{
return true;
}
/**
* Optional class factory to return a pointer to a newly created edit widget
*/
QGISEXTERN QgsAuthBasicEdit *editWidget( QWidget *parent )
{
return new QgsAuthBasicEdit( parent );
}
/**
* Required cleanup function
*/
QGISEXTERN void cleanupAuthMethod() // pass QgsAuthMethod *method, then delete method ?
{
}