[auth] Added mutex to protect cache for basic auth

Author: elpaso

src/auth/basic/qgsauthbasicmethod.cpp

@@ -20,6 +20,9 @@
 #include "qgsauthmanager.h"
 #include "qgslogger.h"
 
+#include <QNetworkProxy>
+#include <QMutexLocker>
+
 static const QString AUTH_METHOD_KEY = "Basic";
 static const QString AUTH_METHOD_DESCRIPTION = "Basic authentication";
 
@@ -149,6 +152,7 @@ void QgsAuthBasicMethod::clearCachedConfig( const QString &authcfg )
 
 QgsAuthMethodConfig QgsAuthBasicMethod::getMethodConfig( const QString &authcfg, bool fullconfig )
 {
+  QMutexLocker locker( &mConfigMutex );
   QgsAuthMethodConfig mconfig;
 
   // check if it is cached
@@ -167,20 +171,23 @@ 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 ) );
   mAuthConfigCache.insert( authcfg, mconfig );
 }
 
 void QgsAuthBasicMethod::removeMethodConfig( const QString &authcfg )
 {
-  if ( mAuthConfigCache.contains( authcfg ) )
+  QMutexLocker locker( &mConfigMutex );
+  if ( sAuthConfigCache.contains( authcfg ) )
   {
     mAuthConfigCache.remove( authcfg );
     QgsDebugMsg( QString( "Removed basic config for authcfg: %1" ).arg( authcfg ) );

src/auth/basic/qgsauthbasicmethod.h

@@ -18,6 +18,7 @@
 #define QGSAUTHBASICMETHOD_H
 
 #include <QObject>
+#include <QMutex>
 
 #include "qgsauthconfig.h"
 #include "qgsauthmethod.h"
@@ -57,7 +58,9 @@ class QgsAuthBasicMethod : public QgsAuthMethod
 
     QString escapeUserPass( const QString &theVal, QChar delim = '\'' ) const;
 
-    static QMap<QString, QgsAuthMethodConfig> mAuthConfigCache;
+    static QMap<QString, QgsAuthMethodConfig> sAuthConfigCache;
+
+    QMutex mConfigMutex;
 };
 
 #endif // QGSAUTHBASICMETHOD_H