1 /* |
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2 * Copyright (c) 2007 Nokia Corporation and/or its subsidiary(-ies). |
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3 * All rights reserved. |
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4 * This component and the accompanying materials are made available |
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5 * under the terms of the License "Eclipse Public License v1.0" |
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6 * which accompanies this distribution, and is available |
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7 * at the URL "http://www.eclipse.org/legal/epl-v10.html". |
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8 * |
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9 * Initial Contributors: |
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10 * Nokia Corporation - initial contribution. |
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11 * |
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12 * Contributors: |
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13 * |
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14 * Description: RTSP command parser and producer* |
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15 */ |
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16 |
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17 |
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18 |
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19 |
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20 // INCLUDE FILES |
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21 #include "CCRRtspCommand.h" |
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22 #include "CCRSock.h" |
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23 #include <imcvcodc.h> |
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24 #include <Hash.h> |
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25 #include "videoserviceutilsLogger.h" |
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26 |
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27 // CONSTANTS |
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28 const TReal KRealZero( 0.0 ); |
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29 const TReal KRealMinusOne( -1.0 ); |
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30 // Length of a digest hash before converting to hex. |
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31 const TInt KCRRawHashLength( 16 ); |
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32 // Length of a digest hash when represented in hex |
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33 const TInt KCRHashLength( 32 ); |
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34 |
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35 // ============================ MEMBER FUNCTIONS =============================== |
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36 |
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37 // ----------------------------------------------------------------------------- |
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38 // CCRRtspCommand::NewL |
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39 // Two-phased constructor. |
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40 // ----------------------------------------------------------------------------- |
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41 // |
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42 CCRRtspCommand* CCRRtspCommand::NewL() |
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43 { |
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44 CCRRtspCommand* self = new( ELeave ) CCRRtspCommand(); |
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45 CleanupStack::PushL( self ); |
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46 self->ConstructL(); |
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47 CleanupStack::Pop( self ); |
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48 return self; |
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49 } |
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50 |
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51 // ----------------------------------------------------------------------------- |
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52 // CCRRtspCommand::CCRRtspCommand |
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53 // C++ default constructor can NOT contain any code, that might leave. |
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54 // ----------------------------------------------------------------------------- |
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55 // |
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56 CCRRtspCommand::CCRRtspCommand() |
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57 : iCommand( ERTSPCommandNOCOMMAND ) |
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58 { |
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59 // None |
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60 } |
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61 |
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62 // ----------------------------------------------------------------------------- |
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63 // CCRRtspCommand::ConstructL |
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64 // Symbian 2nd phase constructor can leave. |
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65 // ----------------------------------------------------------------------------- |
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66 // |
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67 void CCRRtspCommand::ConstructL() |
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68 { |
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69 } |
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70 |
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71 // ----------------------------------------------------------------------------- |
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72 // CCRRtspCommand::~CCRRtspCommand |
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73 // Destructor. |
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74 // ----------------------------------------------------------------------------- |
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75 // |
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76 CCRRtspCommand::~CCRRtspCommand() |
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77 { |
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78 LOG( "CCRRtspCommand::~CCRRtspCommand" ); |
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79 |
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80 // iRtspText is deleted in base class destructor |
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81 delete iAuthHeader; |
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82 delete iMD5Calculator; |
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83 delete iUserAgent; |
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84 delete iWapProfile; |
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85 } |
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86 |
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87 // ----------------------------------------------------------------------------- |
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88 // CCRRtspCommand::TryParseL |
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89 // |
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90 // ----------------------------------------------------------------------------- |
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91 // |
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92 void CCRRtspCommand::TryParseL( const TDesC8 &aString ) |
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93 { |
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94 // try to find out if end of the command has been received |
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95 // "RTSP/1.0 XXX\r\n\r\n" at least.. |
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96 const TInt KDVRMinCommandLen( 14 ); |
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97 TInt replyEndOffSet( ( aString.Length() < KDVRMinCommandLen )? |
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98 KDVRMinCommandLen: aString.Find( KCR2NewLines() ) ); |
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99 if ( replyEndOffSet == KErrNotFound ) |
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100 { |
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101 // need to have more, do nothing yet |
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102 LOG( "CCRRtspCommand::TryParseL() out because response not complete" ); |
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103 User::Leave( KErrUnderflow ); |
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104 } |
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105 |
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106 // copy the stuff into local variable: |
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107 delete iRtspText; iRtspText = NULL; |
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108 iRtspText = aString.AllocL(); |
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109 iCommand = ERTSPCommandNOCOMMAND; |
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110 |
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111 // try each command in order: |
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112 if ( iRtspText->Find( KCROPTIONS() ) == 0 ) |
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113 { |
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114 // it was OPTIONS command |
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115 LOG( "CCRRtspCommand::TryParseL() -> OPTIONS" ); |
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116 iCommand = ERTSPCommandOPTIONS; |
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117 } |
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118 else if ( iRtspText->Find( KCRDESCRIBE() ) == 0 ) |
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119 { |
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120 LOG( "CCRRtspCommand::TryParseL() -> DESCRIBE" ); |
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121 iCommand = ERTSPCommandDESCRIBE; |
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122 } |
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123 else if ( iRtspText->Find( KCRTEARDOWN() ) == 0 ) |
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124 { |
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125 LOG( "CCRRtspCommand::TryParseL() -> TEARDOWN" ); |
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126 iCommand = ERTSPCommandTEARDOWN; |
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127 } |
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128 else if ( iRtspText->Find( KCRPAUSE() ) == 0 ) |
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129 { |
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130 LOG( "CCRRtspCommand::TryParseL() -> PAUSE" ); |
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131 iCommand = ERTSPCommandPAUSE; |
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132 } |
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133 else if ( iRtspText->Find( KCRSETUP() ) == 0 ) |
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134 { |
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135 LOG( "CCRRtspCommand::TryParseL() -> SETUP" ); |
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136 iCommand = ERTSPCommandSETUP; |
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137 } |
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138 else if ( iRtspText->Find( KCRPLAY() ) == 0 ) |
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139 { |
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140 LOG( "CCRRtspCommand::TryParseL() -> PLAY" ); |
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141 iCommand = ERTSPCommandPLAY; |
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142 } |
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143 else |
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144 { |
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145 User::Leave( KErrNotSupported ); |
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146 } |
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147 |
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148 // then find CSeq |
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149 FindCSeqL(); |
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150 // then find session id |
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151 FindSessionIdL(); |
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152 // then find possible content. for commands it is usually not there |
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153 FindContentL(); |
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154 // find URL |
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155 FindURLL(); |
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156 // find possible transport method |
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157 // IMPORTANT: should be done before parsing client port |
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158 FindTransport(); |
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159 // find possible client port |
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160 FindClientPorts(); |
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161 // find possible range-header |
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162 ParseRange(); |
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163 } |
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164 |
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165 // ----------------------------------------------------------------------------- |
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166 // CCRRtspCommand::FindURLL |
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167 // in rtsp the URL is between first and second whitespace. |
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168 // ----------------------------------------------------------------------------- |
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169 // |
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170 void CCRRtspCommand::FindURLL( void ) |
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171 { |
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172 #ifdef _DEBUG |
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173 _LIT( KPanicStr, "RTSPCommon" ); |
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174 __ASSERT_DEBUG( iRtspText, |
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175 User::Panic( KPanicStr, KErrBadHandle ) ); |
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176 #endif |
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177 |
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178 iURL.Set( NULL, 0 ); |
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179 TInt spaceOffset( iRtspText->Locate( ' ' ) ); |
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180 if ( spaceOffset < 0 ) |
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181 { |
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182 User::Leave( KErrNotSupported ); |
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183 } |
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184 |
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185 TPtrC8 beginningFromUrl( iRtspText->Right( iRtspText->Length() - |
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186 ( spaceOffset + 1 ) ) ) ; |
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187 spaceOffset = beginningFromUrl.Locate( ' ' ); |
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188 if ( spaceOffset < 0 ) |
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189 { |
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190 User::Leave( KErrNotSupported ); |
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191 } |
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192 |
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193 iURL.Set( beginningFromUrl.Left( spaceOffset ) ); |
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194 } |
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195 |
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196 // ----------------------------------------------------------------------------- |
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197 // CCRRtspCommand::URL |
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198 // |
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199 // method that returns URL |
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200 // ----------------------------------------------------------------------------- |
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201 // |
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202 TInt CCRRtspCommand::URL( TPtrC8& aURL ) |
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203 { |
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204 if ( iURL.Ptr() != NULL ) |
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205 { |
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206 aURL.Set ( iURL ); |
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207 return KErrNone; |
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208 } |
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209 |
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210 return KErrNotFound; |
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211 } |
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212 |
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213 // ----------------------------------------------------------------------------- |
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214 // CCRRtspCommand::SetURL |
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215 // |
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216 // ----------------------------------------------------------------------------- |
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217 // |
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218 void CCRRtspCommand::SetURL ( const TDesC8& aURL ) |
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219 { |
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220 iURL.Set ( aURL ); |
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221 } |
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222 |
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223 // ----------------------------------------------------------------------------- |
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224 // CCRRtspCommand::SetAuthentication |
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225 // |
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226 // ----------------------------------------------------------------------------- |
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227 // |
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228 void CCRRtspCommand::SetAuthentication( TBool aAuth ) |
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229 { |
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230 iAuthenticationNeeded = aAuth; |
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231 } |
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232 |
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233 // ----------------------------------------------------------------------------- |
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234 // CCRRtspCommand::SetUserAgentL |
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235 // |
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236 // ----------------------------------------------------------------------------- |
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237 // |
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238 void CCRRtspCommand::SetUserAgentL( const TDesC8& aUserAgent ) |
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239 { |
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240 delete iUserAgent; iUserAgent = NULL; |
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241 iUserAgent = aUserAgent.AllocL(); |
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242 } |
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243 |
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244 // ----------------------------------------------------------------------------- |
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245 // CCRRtspCommand::SetBandwidth |
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246 // |
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247 // ----------------------------------------------------------------------------- |
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248 // |
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249 void CCRRtspCommand::SetBandwidth( TInt aBandwidth ) |
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250 { |
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251 iBandwidth = aBandwidth; |
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252 iBandwidthAvailable = ETrue; |
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253 } |
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254 |
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255 // ----------------------------------------------------------------------------- |
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256 // CCRRtspCommand::SetWapProfileL |
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257 // |
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258 // ----------------------------------------------------------------------------- |
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259 // |
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260 void CCRRtspCommand::SetWapProfileL( const TDesC8& aWapProfile ) |
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261 { |
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262 delete iWapProfile; iWapProfile = NULL; |
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263 iWapProfile = aWapProfile.AllocL(); |
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264 } |
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265 |
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266 // ----------------------------------------------------------------------------- |
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267 // CCRRtspCommand::SetCommand |
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268 // |
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269 // ----------------------------------------------------------------------------- |
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270 // |
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271 void CCRRtspCommand::SetCommand( TCommand aCommand ) |
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272 { |
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273 iCommand = aCommand; |
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274 } |
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275 |
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276 // ----------------------------------------------------------------------------- |
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277 // CCRRtspCommand::Command |
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278 // |
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279 // ----------------------------------------------------------------------------- |
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280 // |
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281 CCRRtspCommand::TCommand CCRRtspCommand::Command( void ) const |
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282 { |
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283 return iCommand; |
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284 } |
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285 |
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286 // ----------------------------------------------------------------------------- |
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287 // CCRRtspCommand::ProduceL |
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288 // |
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289 // ----------------------------------------------------------------------------- |
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290 // |
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291 TPtrC8& CCRRtspCommand::ProduceL( void ) |
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292 { |
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293 // First common part for all commands, except actual command |
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294 delete iRtspText; iRtspText = NULL; |
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295 iRtspText = HBufC8::NewL( KMaxName ); |
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296 iRtspText->Des().Zero(); |
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297 |
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298 switch ( iCommand ) |
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299 { |
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300 case ERTSPCommandOPTIONS: |
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301 AppendL( iRtspText, KCROPTIONS ); |
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302 break; |
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303 |
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304 case ERTSPCommandDESCRIBE: |
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305 AppendL( iRtspText, KCRDESCRIBE ); |
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306 break; |
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307 |
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308 case ERTSPCommandTEARDOWN: |
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309 AppendL( iRtspText, KCRTEARDOWN ); |
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310 break; |
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311 |
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312 case ERTSPCommandPAUSE: |
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313 AppendL( iRtspText, KCRPAUSE ); |
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314 break; |
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315 |
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316 case ERTSPCommandSETUP: |
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317 AppendL( iRtspText, KCRSETUP ); |
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318 break; |
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319 |
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320 case ERTSPCommandPLAY : |
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321 AppendL( iRtspText, KCRPLAY ); |
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322 break; |
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323 |
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324 default: |
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325 User::Leave( KErrNotSupported ); |
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326 break; |
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327 } |
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328 |
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329 AppendL( iRtspText, iURL ); |
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330 AppendL( iRtspText, KCRSpace ); |
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331 AppendL( iRtspText, KCRRTSP10 ); |
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332 AppendL( iRtspText, KCRNewLine ); |
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333 AppendL( iRtspText, KCRCSeq ); |
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334 AppendNumL( iRtspText, iCSeq ); |
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335 AppendL( iRtspText, KCRNewLine ); |
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336 |
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337 if ( iUserAgent ) |
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338 { |
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339 TPtrC8 useragent( iUserAgent->Des() ); |
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340 AppendFormatL( iRtspText, KCRRTSPUserAgentHeader, &useragent ); |
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341 } |
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342 |
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343 // then variable tail depending on command |
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344 switch ( iCommand ) |
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345 { |
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346 case ERTSPCommandOPTIONS: |
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347 if ( iSessionId.Ptr() != NULL ) |
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348 { |
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349 AppendL( iRtspText, KCRSessionStr() ); |
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350 AppendL( iRtspText, iSessionId ); // now only session number |
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351 AppendL( iRtspText, KCRNewLine ); |
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352 } |
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353 break; |
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354 |
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355 case ERTSPCommandDESCRIBE: |
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356 { |
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357 AppendL( iRtspText, KCRAcceptSDP ); |
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358 if ( iWapProfile ) |
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359 { |
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360 TPtrC8 profile = iWapProfile->Des(); |
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361 AppendFormatL( iRtspText, KCRRTSPXWapProfile, &profile ); |
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362 } |
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363 if ( iBandwidthAvailable ) |
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364 { |
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365 AppendFormatL( iRtspText, KCRRTSPBandwidth, iBandwidth ); |
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366 } |
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367 } |
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368 break; |
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369 |
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370 case ERTSPCommandTEARDOWN: |
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371 if ( iSessionId.Ptr() != NULL ) |
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372 { |
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373 AppendL( iRtspText, KCRSessionStr() ); |
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374 AppendL( iRtspText, iSessionId ); // now only session number |
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375 AppendL( iRtspText, KCRNewLine ); |
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376 } |
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377 break; |
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378 |
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379 case ERTSPCommandPAUSE: |
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380 if ( iSessionId.Ptr() != NULL ) |
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381 { |
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382 AppendL( iRtspText, KCRSessionStr() ); |
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383 AppendL( iRtspText, iSessionId ); // now only session number |
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384 AppendL( iRtspText, KCRNewLine ); |
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385 } |
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386 break; |
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387 |
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388 case ERTSPCommandSETUP: |
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389 { |
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390 // build transport header according to chosen method |
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391 switch ( iTransport ) |
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392 { |
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393 case ERTPOverUDP: |
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394 AppendFormatL( iRtspText, KCRTransportHeaderUDP, |
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395 iClientPort, iClientPort + 1 ); |
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396 break; |
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397 case ERTPOverTCP: |
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398 AppendFormatL( iRtspText, KCRTransportHeaderTCP, |
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399 iClientPort, iClientPort + 1 ); |
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400 break; |
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401 |
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402 case ERTPOverMulticast: |
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403 AppendL( iRtspText, KCRTransportHeaderMulticast ); |
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404 break; |
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405 } |
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406 |
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407 // Session: 5273458854096827704 |
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408 if ( iSessionId.Ptr() != NULL ) |
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409 { |
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410 AppendL( iRtspText, KCRSessionStr ); |
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411 AppendL( iRtspText, iSessionId ); // now only session number |
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412 AppendL( iRtspText, KCRNewLine ); |
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413 } |
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414 if ( iWapProfile ) |
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415 { |
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416 TPtrC8 profile( iWapProfile->Des() ); |
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417 AppendFormatL( iRtspText, KCRRTSPXWapProfile, &profile ); |
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418 } |
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419 } |
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420 break; |
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421 |
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422 case ERTSPCommandPLAY: |
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423 { |
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424 if ( !( iLowerRange == KRealZero && iUpperRange == KRealMinusOne ) ) |
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425 { |
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426 // Range was something else than 0,-1 |
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427 TBuf8<KMaxName> buf( KCRRangeHeader ); |
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428 TRealFormat format( 10, 3 ); |
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429 format.iTriLen = 0; |
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430 format.iPoint = '.'; |
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431 buf.AppendNum( iLowerRange, format ); |
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432 buf.Append( '-' ); |
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433 if ( iUpperRange > KRealZero ) |
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434 { |
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435 buf.AppendNum( iUpperRange, format ); |
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436 } |
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437 |
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438 buf.Append( KCRNewLine ); |
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439 AppendL( iRtspText, buf ); |
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440 } |
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441 if ( iSessionId.Ptr() != NULL ) |
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442 { |
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443 AppendL( iRtspText, KCRSessionStr() ); |
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444 AppendL( iRtspText, iSessionId ); // now only session number |
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445 AppendL( iRtspText, KCRNewLine ); |
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446 } |
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447 } |
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448 break; |
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449 |
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450 default: |
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451 User::Leave( KErrNotSupported ); |
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452 break; |
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453 } |
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454 |
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455 if ( iAuthenticationNeeded ) |
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456 { |
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457 TBool useDigest( EFalse ); |
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458 |
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459 if ( iAuthType && ( iAuthType->FindC( KCRAuthDigest ) != KErrNotFound ) ) |
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460 { |
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461 useDigest = ETrue; |
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462 } |
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463 |
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464 switch ( iCommand ) |
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465 { |
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466 case ERTSPCommandOPTIONS : |
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467 useDigest ? CalculateDigestResponseL( KCROPTIONSNoSpace ) : |
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468 CalculateBasicResponseL( KCROPTIONSNoSpace ); |
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469 |
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470 if ( iAuthHeader ) |
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471 { |
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472 AppendL( iRtspText, iAuthHeader->Des() ); |
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473 } |
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474 break; |
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475 |
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476 case ERTSPCommandDESCRIBE : |
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477 useDigest ? CalculateDigestResponseL( KCRDESCRIBENoSpace ) : |
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478 CalculateBasicResponseL( KCRDESCRIBENoSpace ); |
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479 |
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480 if ( iAuthHeader ) |
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481 { |
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482 AppendL( iRtspText, iAuthHeader->Des() ); |
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483 } |
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484 break; |
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485 |
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486 case ERTSPCommandTEARDOWN : |
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487 useDigest ? CalculateDigestResponseL( KCRTEARDOWNNoSpace ) : |
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488 CalculateBasicResponseL( KCRTEARDOWNNoSpace ); |
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489 |
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490 if ( iAuthHeader ) |
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491 { |
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492 AppendL( iRtspText, iAuthHeader->Des() ); |
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493 } |
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494 break; |
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495 |
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496 case ERTSPCommandPAUSE : |
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497 useDigest ? CalculateDigestResponseL( KCRPAUSENoSpace ) : |
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498 CalculateBasicResponseL( KCRPAUSENoSpace ); |
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499 |
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500 if ( iAuthHeader ) |
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501 { |
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502 AppendL( iRtspText, iAuthHeader->Des() ); |
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503 } |
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504 break; |
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505 |
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506 case ERTSPCommandSETUP : |
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507 useDigest ? CalculateDigestResponseL( KCRSETUPNoSpace ) : |
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508 CalculateBasicResponseL( KCRSETUPNoSpace ); |
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509 |
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510 if ( iAuthHeader ) |
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511 { |
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512 AppendL( iRtspText, iAuthHeader->Des() ); |
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513 } |
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514 break; |
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515 |
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516 case ERTSPCommandPLAY : |
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517 useDigest ? CalculateDigestResponseL( KCRPLAYNoSpace ) : |
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518 CalculateBasicResponseL( KCRPLAYNoSpace ); |
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519 |
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520 if ( iAuthHeader ) |
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521 { |
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522 AppendL( iRtspText, iAuthHeader->Des() ); |
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523 } |
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524 break; |
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525 |
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526 default: |
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527 User::Leave( KErrNotSupported ); |
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528 break; |
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529 } |
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530 } |
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531 |
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532 AppendL( iRtspText, KCRNewLine ); |
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533 iProductDescriptor.Set( *iRtspText ); |
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534 return iProductDescriptor; |
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535 } |
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536 |
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537 // ----------------------------------------------------------------------------- |
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538 // CCRRtspCommand::AppendL |
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539 // |
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540 // ----------------------------------------------------------------------------- |
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541 // |
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542 void CCRRtspCommand::AppendL( HBufC8*& aBuffer, const TDesC8& aStr ) |
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543 { |
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544 TPtr8 ptr( aBuffer->Des() ); |
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545 if ( ( ptr.Length() + aStr.Length() ) >= ptr.MaxLength() ) |
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546 { |
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547 const TInt newLength( ptr.Length() + aStr.Length() + KMaxName ); |
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548 aBuffer = aBuffer->ReAllocL( newLength ); |
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549 ptr.Set( aBuffer->Des() ); |
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550 } |
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551 |
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552 ptr.Append( aStr ); |
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553 } |
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554 |
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555 // ----------------------------------------------------------------------------- |
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556 // CCRRtspCommand::AppendNumL |
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557 // |
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558 // ----------------------------------------------------------------------------- |
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559 // |
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560 void CCRRtspCommand::AppendNumL( HBufC8*& aBuffer, const TInt aNum ) |
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561 { |
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562 TPtr8 ptr( aBuffer->Des() ); |
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563 if ( ( ptr.Length() + KMaxInfoName ) >= ptr.MaxLength() ) |
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564 { |
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565 const TInt newLength( ptr.Length() + KMaxInfoName + KMaxName ); |
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566 aBuffer = aBuffer->ReAllocL( newLength ); |
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567 ptr.Set( aBuffer->Des() ); |
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568 } |
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569 |
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570 ptr.AppendNum( aNum ); |
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571 } |
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572 |
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573 // ----------------------------------------------------------------------------- |
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574 // CCRRtspCommand::AppendFormatL |
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575 // |
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576 // ----------------------------------------------------------------------------- |
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577 // |
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578 void CCRRtspCommand::AppendFormatL( |
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579 HBufC8*& aBuffer, |
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580 TRefByValue<const TDesC8> aFmt, ... ) |
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581 { |
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582 VA_LIST list; |
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583 VA_START( list, aFmt ); |
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584 HBufC8* buf = HBufC8::NewLC( KMaxDataSize ); |
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585 buf->Des().FormatList( aFmt, list ); |
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586 VA_END( list ); |
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587 |
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588 TPtr8 ptr( aBuffer->Des() ); |
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589 if ( ( ptr.Length() + buf->Length() ) >= ptr.MaxLength() ) |
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590 { |
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591 const TInt newLength( ptr.Length() + buf->Length() + KMaxName ); |
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592 aBuffer = aBuffer->ReAllocL( newLength ); |
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593 ptr.Set( aBuffer->Des() ); |
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594 } |
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595 |
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596 ptr.Append( *buf ); |
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597 CleanupStack::PopAndDestroy( buf ); |
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598 } |
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599 |
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600 // ----------------------------------------------------------------------------- |
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601 // CCRRtspCommand::Hash |
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602 // Calculates hash value ( from S60 HttpFilters ) |
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603 // ----------------------------------------------------------------------------- |
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604 // |
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605 void CCRRtspCommand::HashL( const TDesC8& aMessage, TDes8& aHash ) |
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606 { |
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607 LOG( "CCRRtspCommand::HashL() in" ); |
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608 // check if md5 calculator is already constructed |
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609 if ( !iMD5Calculator ) |
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610 { |
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611 iMD5Calculator = CMD5::NewL(); |
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612 } |
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613 // Calculate the 128 bit (16 byte) hash |
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614 iMD5Calculator->Reset(); |
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615 TPtrC8 hash = iMD5Calculator->Hash( aMessage ); |
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616 |
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617 // Now print it as a 32 byte hex number |
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618 aHash.Zero(); |
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619 _LIT8( formatStr, "%02x" ); |
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620 TBuf8<2> scratch; |
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621 for ( TInt i( 0 ); i < KCRRawHashLength; i++ ) |
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622 { |
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623 scratch.Zero(); |
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624 scratch.Format( formatStr, hash[i] ); |
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625 aHash.Append( scratch ); |
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626 } |
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627 |
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628 LOG( "CCRRtspCommand::HashL() out" ); |
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629 } |
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630 |
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631 // ----------------------------------------------------------------------------- |
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632 // CCRRtspCommand::CalculateBasicResponseL |
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633 // |
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634 // ----------------------------------------------------------------------------- |
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635 // |
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636 void CCRRtspCommand::CalculateBasicResponseL( const TDesC8& /*aMethod*/ ) |
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637 { |
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638 LOG( "CCRRtspCommand::CalculateBasicResponseL() in" ); |
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639 |
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640 if ( !( iUserName && iPassword ) ) |
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641 { |
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642 LOG( "CCRRtspCommand::CalculateBasicResponseL() out, username or password not set" ); |
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643 delete iAuthHeader; |
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644 iAuthHeader = NULL; |
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645 return; // no can do |
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646 } |
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647 |
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648 HBufC8* plainData = HBufC8::NewL( iUserName->Length() + 1 + // ':' |
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649 iPassword->Length() ); |
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650 |
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651 CleanupStack::PushL( plainData ); |
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652 |
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653 plainData->Des().Append( *iUserName ); |
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654 plainData->Des().Append( ':' ); |
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655 plainData->Des().Append( *iPassword ); |
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656 |
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657 // Max size = ((Bytes + 3 - (Bytes MOD 3)) /3) x 4 |
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658 TInt base64MaxSize = ( ( plainData->Length() + 3 - |
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659 ( plainData->Length() % 3 ) ) / 3 ) * 4; |
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660 |
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661 HBufC8* encodedData = HBufC8::NewL( base64MaxSize ); |
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662 TPtr8 dataPrt( encodedData->Des() ); |
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663 CleanupStack::PushL( encodedData ); |
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664 |
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665 TImCodecB64 b64enc; |
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666 b64enc.Initialise(); |
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667 b64enc.Encode( *plainData, dataPrt ); |
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668 |
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669 delete iAuthHeader; |
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670 iAuthHeader = NULL; |
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671 iAuthHeader = HBufC8::NewL( KCRAuthorizationBasicHeader().Length() + encodedData->Length() ); |
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672 iAuthHeader->Des().Format( KCRAuthorizationBasicHeader, encodedData ); |
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673 |
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674 CleanupStack::PopAndDestroy( encodedData ); |
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675 CleanupStack::PopAndDestroy( plainData ); |
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676 |
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677 LOG( "CCRRtspCommand::CalculateBasicResponseL() out" ); |
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678 } |
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679 |
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680 // ----------------------------------------------------------------------------- |
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681 // CCRRtspCommand::CalculateDigestResponseL |
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682 // |
|
683 // ----------------------------------------------------------------------------- |
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684 // |
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685 void CCRRtspCommand::CalculateDigestResponseL( const TDesC8& aMethod ) |
|
686 { |
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687 LOG( "CCRRtspCommand::CalculateDigestResponseL() in" ); |
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688 |
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689 if ( !( iUserName && iPassword && iNonce && iOpaque && iRealm && iUri ) ) |
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690 { |
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691 LOG( "CCRRtspCommand::CalculateDigestResponseL() out, username or password not set" ); |
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692 delete iAuthHeader; iAuthHeader = NULL; |
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693 return; // no can do |
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694 } |
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695 |
|
696 TBuf8<KCRHashLength> hash1; |
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697 TBuf8<KCRHashLength> hash2; |
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698 TBuf8<KCRHashLength> finalHash; |
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699 |
|
700 // calculate the hash1 using "username:realm:password" |
|
701 HBufC8* hashPtr = HBufC8::NewL ( iUserName->Length() + 1 + // ':' |
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702 iRealm->Length() + 1 + // ':' |
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703 iPassword->Length() ); |
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704 hashPtr->Des().Append( *iUserName ); |
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705 hashPtr->Des().Append( ':' ); |
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706 hashPtr->Des().Append( *iRealm ); |
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707 hashPtr->Des().Append( ':' ); |
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708 hashPtr->Des().Append( *iPassword ); |
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709 |
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710 HashL( *hashPtr, hash1 ); |
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711 delete hashPtr; hashPtr = NULL; |
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712 |
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713 // calculate hash2 using "Method:uri" |
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714 HBufC8* hashPtr2 = HBufC8::NewL(aMethod.Length() + 1 + iUri->Length() ); |
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715 hashPtr2->Des().Append( aMethod ); |
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716 hashPtr2->Des().Append( ':' ); |
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717 hashPtr2->Des().Append( *iUri ); |
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718 |
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719 HashL( *hashPtr2, hash2 ); |
|
720 delete hashPtr2; hashPtr2 = NULL; |
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721 |
|
722 // calculate finalHash to be sent to remote server using |
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723 // hash1 + ":" + nonce + ":" + hash2 |
|
724 HBufC8* hashPtr3 = HBufC8::NewL( hash1.Length() + 1 + // ':' |
|
725 iNonce->Length() + 1 + // ':' |
|
726 hash2.Length() ); |
|
727 hashPtr3->Des().Append( hash1 ); |
|
728 hashPtr3->Des().Append( ':' ); |
|
729 hashPtr3->Des().Append( *iNonce ); |
|
730 hashPtr3->Des().Append( ':' ); |
|
731 hashPtr3->Des().Append( hash2 ); |
|
732 |
|
733 HashL( *hashPtr3, finalHash ); |
|
734 delete hashPtr3; hashPtr3 = NULL; |
|
735 |
|
736 // generate the authentication header |
|
737 if ( iOpaque->Length() ) |
|
738 { |
|
739 delete iAuthHeader; iAuthHeader = NULL; |
|
740 iAuthHeader = HBufC8::NewL( KCRAuthorizationHeader().Length() + |
|
741 iUserName->Length() + iRealm->Length() + iNonce->Length() + |
|
742 iUri->Length() + finalHash.Length() + iOpaque->Length() ); |
|
743 |
|
744 iAuthHeader->Des().Format( KCRAuthorizationHeader, iUserName, |
|
745 iRealm, iNonce, iUri, &finalHash, iOpaque ); |
|
746 } |
|
747 else |
|
748 { |
|
749 delete iAuthHeader; iAuthHeader = NULL; |
|
750 iAuthHeader = HBufC8::NewL( KCRAuthorizationHeaderNoOpaque().Length() + |
|
751 iUserName->Length() + iRealm->Length() + iNonce->Length() + |
|
752 iUri->Length() + finalHash.Length() ); |
|
753 |
|
754 iAuthHeader->Des().Format( KCRAuthorizationHeaderNoOpaque, iUserName, |
|
755 iRealm, iNonce, iUri, &finalHash ); |
|
756 } |
|
757 |
|
758 LOG( "CCRRtspCommand::CalculateDigestResponseL() out" ); |
|
759 } |
|
760 |
|
761 // End of File |
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