realtimenetprots/sipfw/SIP/Codec/src/CSIPAuthorizationHeaderParams.cpp
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     1 // Copyright (c) 2007-2009 Nokia Corporation and/or its subsidiary(-ies).
       
     2 // All rights reserved.
       
     3 // This component and the accompanying materials are made available
       
     4 // under the terms of "Eclipse Public License v1.0"
       
     5 // which accompanies this distribution, and is available
       
     6 // at the URL "http://www.eclipse.org/legal/epl-v10.html".
       
     7 //
       
     8 // Initial Contributors:
       
     9 // Nokia Corporation - initial contribution.
       
    10 //
       
    11 // Contributors:
       
    12 //
       
    13 // Description:
       
    14 // Name          : CSIPAuthorizationHeaderParams.cpp
       
    15 // Part of       : SIP Codec
       
    16 // Version       : SIP/6.0 
       
    17 //
       
    18 
       
    19 
       
    20 
       
    21 #include <uri8.h>
       
    22 #include "CSIPAuthorizationHeaderParams.h"
       
    23 #include "sipcodecerr.h"
       
    24 #include "SIPSyntaxCheck.h"
       
    25 #include "sipcodecutils.h"
       
    26 #include "sipstrings.h"
       
    27 #include "sipstrconsts.h"
       
    28 
       
    29 // Yahoo uses this invalid character in its authentication:
       
    30 const TInt KExtraYahooChr = 2; 
       
    31 
       
    32 // ----------------------------------------------------------------------------
       
    33 // CSIPAuthorizationHeaderParams::NewL
       
    34 // ----------------------------------------------------------------------------
       
    35 //
       
    36 CSIPAuthorizationHeaderParams* CSIPAuthorizationHeaderParams::NewL(
       
    37     const CSIPAuthorizationHeaderParams& aParams)
       
    38 	{
       
    39 	CSIPAuthorizationHeaderParams* self = 
       
    40         CSIPAuthorizationHeaderParams::NewLC(aParams);
       
    41 	CleanupStack::Pop(self);
       
    42 	return self;
       
    43 	}
       
    44 
       
    45 // ----------------------------------------------------------------------------
       
    46 // CSIPAuthorizationHeaderParams::NewLC
       
    47 // ----------------------------------------------------------------------------
       
    48 //
       
    49 CSIPAuthorizationHeaderParams* CSIPAuthorizationHeaderParams::NewLC(
       
    50     const CSIPAuthorizationHeaderParams& aParams)
       
    51 	{
       
    52 	CSIPAuthorizationHeaderParams* self = 
       
    53         new(ELeave)CSIPAuthorizationHeaderParams;
       
    54 	CleanupStack::PushL(self);
       
    55 	self->CSIPParamContainerBase::ConstructL(aParams);
       
    56 	return self;
       
    57 	}
       
    58 
       
    59 // ----------------------------------------------------------------------------
       
    60 // CSIPAuthorizationHeaderParams::CSIPAuthorizationHeaderParams
       
    61 // ----------------------------------------------------------------------------
       
    62 //
       
    63 CSIPAuthorizationHeaderParams::CSIPAuthorizationHeaderParams ()
       
    64  : CSIPParamContainerBase(',')
       
    65 	{
       
    66 	}
       
    67 
       
    68 // ----------------------------------------------------------------------------
       
    69 // CSIPAuthorizationHeaderParams::~CSIPAuthorizationHeaderParams
       
    70 // ----------------------------------------------------------------------------
       
    71 //
       
    72 CSIPAuthorizationHeaderParams::~CSIPAuthorizationHeaderParams ()
       
    73 	{
       
    74 	}
       
    75 	
       
    76 // ----------------------------------------------------------------------------
       
    77 // CSIPAuthorizationHeaderParams::InternalizeL
       
    78 // ----------------------------------------------------------------------------
       
    79 //
       
    80 CSIPAuthorizationHeaderParams* CSIPAuthorizationHeaderParams::InternalizeL(
       
    81     RReadStream& aReadStream)
       
    82 	{
       
    83 	CSIPAuthorizationHeaderParams* self = 
       
    84 	    new(ELeave)CSIPAuthorizationHeaderParams;
       
    85 	CleanupStack::PushL(self);
       
    86 	self->DoInternalizeL(aReadStream);
       
    87 	CleanupStack::Pop(self);
       
    88 	return self;
       
    89 	}	
       
    90 
       
    91 // ----------------------------------------------------------------------------
       
    92 // CSIPAuthorizationHeaderParams::AddQuotesWhenEncoding
       
    93 // ----------------------------------------------------------------------------
       
    94 //	
       
    95 TBool CSIPAuthorizationHeaderParams::AddQuotesWhenEncoding(
       
    96     RStringF aParamName) const
       
    97     {
       
    98 	if (aParamName == SIPStrings::StringF(SipStrConsts::EUserName) ||
       
    99 		aParamName == SIPStrings::StringF(SipStrConsts::ERealm) ||
       
   100 	    aParamName == SIPStrings::StringF(SipStrConsts::ENonce) ||		
       
   101 	    aParamName == SIPStrings::StringF(SipStrConsts::ECNonce) ||
       
   102 	    aParamName == SIPStrings::StringF(SipStrConsts::EOpaque) ||
       
   103 	    aParamName == SIPStrings::StringF(SipStrConsts::EResponse) ||
       
   104 	    aParamName == SIPStrings::StringF(SipStrConsts::EUri) ||
       
   105 	    aParamName == SIPStrings::StringF(SipStrConsts::EAuts))	
       
   106 		{
       
   107 		return ETrue;
       
   108 		}
       
   109     return EFalse;
       
   110     }
       
   111 
       
   112 // ----------------------------------------------------------------------------
       
   113 // CSIPAuthorizationHeaderParams::CheckAndUpdateParamL
       
   114 // ----------------------------------------------------------------------------
       
   115 //	
       
   116 void CSIPAuthorizationHeaderParams::CheckAndUpdateParamL(RStringF aName,
       
   117                                                          TBool aHasValue,
       
   118                                                          TPtrC8& aValue) const
       
   119     {
       
   120 	// username, realm, nonce, cnonce, opaque
       
   121 	if (aName == SIPStrings::StringF(SipStrConsts::EUserName) ||
       
   122 		aName == SIPStrings::StringF(SipStrConsts::ERealm) ||
       
   123 	    aName == SIPStrings::StringF(SipStrConsts::EOpaque))	
       
   124 		{
       
   125 		RemoveQuotes(aValue);
       
   126 	    if (!SIPSyntaxCheck::QuotedStringValue(aValue))
       
   127 	        {
       
   128 			User::Leave(KErrSipCodecAuthorizationHeader);
       
   129 	        }
       
   130 		return;
       
   131 		}
       
   132 	// nonce, cnonce
       
   133 	if (aName == SIPStrings::StringF(SipStrConsts::ENonce) ||		
       
   134 	    aName == SIPStrings::StringF(SipStrConsts::ECNonce))	
       
   135 		{
       
   136 		RemoveQuotes(aValue);
       
   137 	    if (!SIPSyntaxCheck::QuotedStringValue(aValue,KExtraYahooChr))
       
   138 	        {
       
   139 			User::Leave(KErrSipCodecAuthorizationHeader);
       
   140 	        }
       
   141 		return;
       
   142 		}	
       
   143 	//algorithm, message-qop
       
   144 	if (aName == SIPStrings::StringF(SipStrConsts::EAlgorithm) ||
       
   145 		aName == SIPStrings::StringF(SipStrConsts::EQop))
       
   146 		{
       
   147 		RemoveQuotes(aValue);
       
   148         if (!SIPSyntaxCheck::Token(aValue))
       
   149 			{
       
   150 			User::Leave(KErrSipCodecAuthorizationHeader);
       
   151 			}
       
   152 		return;
       
   153 		}
       
   154 	// nonce-count
       
   155 	if (aName == SIPStrings::StringF(SipStrConsts::ENonceCount))
       
   156 		{
       
   157 		const TInt KNonceCountLength = 8;
       
   158 		if (!SIPSyntaxCheck::HexValue(aValue,KNonceCountLength))
       
   159 			{
       
   160 			User::Leave(KErrSipCodecAuthorizationHeader);
       
   161 			}
       
   162 		return;
       
   163 		}
       
   164 	// dresponse
       
   165 	if (aName == SIPStrings::StringF(SipStrConsts::EResponse))
       
   166 		{
       
   167 		RemoveQuotes(aValue);
       
   168 	    if (!SIPSyntaxCheck::HexValue(aValue))
       
   169 	        {
       
   170 			User::Leave(KErrSipCodecAuthorizationHeader);
       
   171 			}
       
   172 		return;
       
   173 		}
       
   174 	// uri
       
   175 	if (aName == SIPStrings::StringF(SipStrConsts::EUri))
       
   176 		{
       
   177 		RemoveQuotes(aValue);
       
   178 		TUriParser8 parser;
       
   179 		TInt error = 0;
       
   180 		error = parser.Parse(aValue);
       
   181 		if ( error == KErrNoMemory )
       
   182 			{
       
   183 			User::Leave(KErrNoMemory);
       
   184 			}
       
   185         if ( error != KErrNone)
       
   186 			{
       
   187 			User::Leave(KErrSipCodecAuthorizationHeader);
       
   188 			}
       
   189 		return;
       
   190 		}
       
   191 	// auts
       
   192 	if (aName == SIPStrings::StringF(SipStrConsts::EAuts))
       
   193 		{
       
   194 		RemoveQuotes(aValue);
       
   195         if (!SIPSyntaxCheck::Base64Encoded(aValue))
       
   196 			{
       
   197 			User::Leave(KErrSipCodecAuthorizationHeader);
       
   198 			}
       
   199 		return;
       
   200 		}
       
   201 	// extension
       
   202 	if (!SIPSyntaxCheck::Token(aName.DesC()))
       
   203 		{
       
   204 		User::Leave(KErrSipCodecAuthorizationHeader);
       
   205 		}
       
   206     if (aHasValue &&
       
   207         !SIPSyntaxCheck::Token(aValue) &&
       
   208 		!SIPSyntaxCheck::QuotedString(aValue))
       
   209 		{
       
   210 		User::Leave(KErrSipCodecAuthorizationHeader);
       
   211 		}
       
   212 	}