[auth] Added mutex to protect cache for basic auth

Author: elpaso

src/auth/basic/qgsauthbasicmethod.cpp

@@ -21,6 +21,7 @@
 #include "qgslogger.h"
 
 #include <QNetworkProxy>
+#include <QMutexLocker>
 
 static const QString AUTH_METHOD_KEY = QStringLiteral( "Basic" );
 static const QString AUTH_METHOD_DESCRIPTION = QStringLiteral( "Basic authentication" );
@@ -169,6 +170,7 @@ void QgsAuthBasicMethod::clearCachedConfig( const QString &authcfg )
 
 QgsAuthMethodConfig QgsAuthBasicMethod::getMethodConfig( const QString &authcfg, bool fullconfig )
 {
+  QMutexLocker locker( &mConfigMutex );
   QgsAuthMethodConfig mconfig;
 
   // check if it is cached
@@ -187,19 +189,22 @@ QgsAuthMethodConfig QgsAuthBasicMethod::getMethodConfig( const QString &authcfg,
   }
 
   // cache bundle
+  locker.unlock();
   putMethodConfig( authcfg, mconfig );
 
   return mconfig;
 }
 
 void QgsAuthBasicMethod::putMethodConfig( const QString &authcfg, const QgsAuthMethodConfig &mconfig )
 {
+  QMutexLocker locker( &mConfigMutex );
   QgsDebugMsg( QString( "Putting basic config for authcfg: %1" ).arg( authcfg ) );
   sAuthConfigCache.insert( authcfg, mconfig );
 }
 
 void QgsAuthBasicMethod::removeMethodConfig( const QString &authcfg )
 {
+  QMutexLocker locker( &mConfigMutex );
   if ( sAuthConfigCache.contains( authcfg ) )
   {
     sAuthConfigCache.remove( authcfg );

src/auth/basic/qgsauthbasicmethod.h

@@ -18,6 +18,7 @@
 #define QGSAUTHBASICMETHOD_H
 
 #include <QObject>
+#include <QMutex>
 
 #include "qgsauthconfig.h"
 #include "qgsauthmethod.h"
@@ -61,6 +62,8 @@ class QgsAuthBasicMethod : public QgsAuthMethod
     QString escapeUserPass( const QString &val, QChar delim = '\'' ) const;
 
     static QMap<QString, QgsAuthMethodConfig> sAuthConfigCache;
+
+    QMutex mConfigMutex;
 };
 
 #endif // QGSAUTHBASICMETHOD_H