diff -r 000000000000 -r b16258d2340f httpfilters/httpfilterauthentication/Inc/HttpFilterDigestAuthentication.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/httpfilters/httpfilterauthentication/Inc/HttpFilterDigestAuthentication.h	Tue Feb 02 01:09:52 2010 +0200
@@ -0,0 +1,239 @@
+/*
+* Copyright (c) 2003 Nokia Corporation and/or its subsidiary(-ies).
+* All rights reserved.
+* This component and the accompanying materials are made available
+* under the terms of "Eclipse Public License v1.0"
+* which accompanies this distribution, and is available
+* at the URL "http://www.eclipse.org/legal/epl-v10.html".
+*
+* Initial Contributors:
+* Nokia Corporation - initial contribution.
+*
+* Contributors:
+*
+* Description:  Digest Authentication filter.
+*
+*/
+
+
+
+#ifndef HTTPFILTERDIGESTAUTHENTICATION_H
+#define HTTPFILTERDIGESTAUTHENTICATION_H
+
+//  INCLUDES
+#include "HttpFilterAuthentication.h"
+
+// CONSTANTS
+
+// MACROS
+
+// DATA TYPES
+
+// FUNCTION PROTOTYPES
+
+// FORWARD DECLARATIONS
+
+// CLASS DECLARATION
+class CMD5;
+
+/**
+*  Digest Authentication Filter implementation class.
+*
+*  @lib cannot link with Ecom plugins
+*  @since 2.0
+*/
+
+class CHttpFilterDigestAuthentication : public CHttpFilterAuthentication
+    {
+    enum
+        {
+        KAlgUnknown,
+        KAlgMd5,
+        KAlgMd5Sess
+        };
+
+    enum
+        {
+        KQopNone,
+        KQopAuth = 1,
+        KQopAuthInt = 2
+        };
+
+    public:     // Constructors and destructor
+
+        /**
+        * Two-phased constructor. This function replaces NewL
+        */
+        static CHttpFilterDigestAuthentication* InstallFilterL( TAny* aAuthenticationParams );
+
+        /**
+        * Destructor.
+        */
+        virtual ~CHttpFilterDigestAuthentication();
+
+    public:    // Functions from base classes
+
+
+        /**
+        * From MHTTPFilterBase Process a transaction event.
+        * @since 2.0
+        * @param aTransaction The transaction for which an event occured
+        * @param aEvent The event to be processed
+        * @return void
+        */
+        virtual void MHFRunL( RHTTPTransaction aTransaction, const THTTPEvent& aEvent );
+
+    protected:
+
+        /**
+        * C++ default constructor.
+        */
+        CHttpFilterDigestAuthentication( RHTTPSession* aSession, TBool aIsProxy );
+
+        /**
+        * By default Symbian 2nd phase constructor is private.
+        */
+        void ConstructL( RHTTPSession aSession );
+
+        /**
+        * Parse "Authentication-Info" field in response header.
+        */
+        void ParseAuthenticationInfoL( RHTTPTransaction aTransaction );
+
+        /**
+        * Provides a central point for all Tranaction handling.
+        */
+        void DHandleTransactionL( RHTTPTransaction aTransaction );
+
+        /**
+        * Function to handle Submit events. We need to remove any
+        * username and password from the URI.
+        */
+        void DSubmitL( RHTTPTransaction aTransaction );
+
+        /**
+        * Search list for matching credentials.
+        */
+        TInt DFindCredentials( const RString& aRealm, const TUriC8& aURI ) ;
+
+        /**
+        * Searches list for credentials that can be used with this URI
+        * without knowing the realm.
+        */
+        TInt DFindCredentialsForURI( const TUriC8& aURI ) ;
+
+        /**
+        * Find the Authentication header.
+        */
+        TInt DFindHeaderPartToUseL( RHTTPTransaction aTransaction ) ;
+
+        /**
+        * Find credentials from the transaction's properties.
+        */
+        void DGetCredentialsFromPropertiesL( RHTTPTransaction& aTransaction );
+
+        /**
+        * Remove credentials from the list.
+        */
+        void DRemoveCredentialsFromList( TInt aCredId );
+
+        /**
+        * Add new credential to list
+        */
+        void DAddCredentialsToListL( RString aUsernameStr,
+                                     RString aPasswordStr,
+                                     RString aRealmStr,
+                                     RStringF aUriStr,
+                                     RString aOpaque,
+                                     RString aNonce,
+                                     TInt aQop,
+                                     TInt aAuthAlg);
+
+        /**
+        * Encodes digest authentication
+        */
+        void EncodeDigestAuthL( TInt aCred, RHTTPTransaction aTransaction );
+
+        /**
+	    * Calculate H(A1). See section 3.2.2.2
+        */
+	    TInt HA1L( int aAlgorithm,
+                   const RString& aUsername,
+                   const RString& aPW,
+			       const RString& aRealm,
+                   const RString& aNonceValue,
+                   TDesC8& aCNonce,
+                   TDes8& aResult);
+
+	    
+	    /**
+	    * Calculate H(A2). See section 3.2.2.3
+        */
+	    TInt HA2L(const RStringF& aMethod, const RString& aRequestUri, TDes8& aResult);
+
+	    /**
+        * Calculate a hash and in the form of a 32 character hex result.
+        */
+	    void Hash(const TDesC8& aMessage, TDes8& aHash);
+
+        /**
+        * Generate a cnonce value
+        */
+	    void GenerateCNonce( TDes8& aNonce );
+
+        /**
+        * Returns the requested uri 
+        * that can be used in uri field or request header
+        *
+        * @param aTransaction current transaction
+        * @return requested URI
+        */
+        RString RequestUriL( RHTTPTransaction& aTransaction );
+                       
+        /**
+        * Check and return QoP from the response header.
+        * @param aHeader authentication header
+        * @param aWwwAuthHeader authentication header name
+        * @param aHeaderPart which authentication header field in the response header
+        * @return one of KQopXXX enum. KQopAuth is prefered.
+        */    
+        TInt CheckQop( RHTTPHeaders& headers,
+                       RStringF& aWwwAuthHeader,
+                       TInt aHeaderPart );
+
+
+    private:       // Data
+        // Container for holding an internal storage of credentials
+
+        class TDCredentials
+            {
+            public:
+                RStringToken iUser;  ///< username
+                RStringToken iPassword; ///< password
+                RStringTokenF iURI;  ///< uri
+                RStringToken iRealm; ///< Realm used - there may be multiple for each host
+                RStringToken iOpaque;
+                RStringToken iNonce;
+                TInt iQop;
+                TInt iAlgorithm;
+                TInt iNc;   // nonce-count
+            };
+
+        // Internal list of valid credentials
+        RArray<TDCredentials> iDCredentials;
+
+        RStringF    iOpaqueStr;
+        RStringF    iNonceStr;
+        RStringF    iQopStr;
+        RStringF    iStaleStr;
+        RStringF    iAuthInfo;
+        RStringF    iMd5Str;
+        RStringF    iMd5SessStr;
+        RStringF    iQopAuthStr;
+        TInt64      iSeed;
+        CMD5*       iMD5Calculator;
+    };
+
+#endif      // HTTPFILTERDIGESTAUTHENTICATION_H
+
+// End of File