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1 /* |
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2 * Copyright (c) 2002-2004 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 "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: ?Description |
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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 <e32base.h> |
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22 #include <f32file.h> |
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23 #include <utf.h> |
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24 #include <WSPDecoder.h> |
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25 #include "Oma1Dcf.h" |
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26 #include "DRMRightsClient.h" |
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27 #include <centralrepository.h> |
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28 #include <UTF.h> |
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29 |
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30 #include "DrmUtilityInternalcrkeys.h" // Cenrep extension for OmaBased |
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31 |
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32 // LOCAL CONSTANTS AND MACROS |
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33 _LIT8(KMimeApplication, "application"); |
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34 _LIT8(KMimeText, "text"); |
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35 _LIT8(KMimeAudio, "audio"); |
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36 _LIT8(KMimeImage, "image"); |
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37 _LIT8(KMimeVideo, "video"); |
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38 _LIT8(KMimeModel, "model"); |
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39 _LIT8(KMimeMessage, "message"); |
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40 _LIT8(KMimeMultipart, "multipart"); |
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41 _LIT8(KXHeader, "x-"); |
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42 _LIT8(KColon, ":"); |
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43 //_LIT8(KSemiColon, ";"); |
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44 //_LIT8(KNewLine, "\n"); |
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45 _LIT8(KEndLine, "\r\n"); |
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46 |
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47 const TInt KCenRepDataLength( 50 ); |
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48 |
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49 // ============================ MEMBER FUNCTIONS =============================== |
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50 |
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51 // ----------------------------------------------------------------------------- |
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52 // COma1Dcf::COma1Dcf |
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53 // C++ default constructor can NOT contain any code, that |
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54 // might leave. |
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55 // ----------------------------------------------------------------------------- |
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56 // |
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57 COma1Dcf::COma1Dcf(): |
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58 iHeaders(NULL) |
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59 { |
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60 } |
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61 |
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62 // ----------------------------------------------------------------------------- |
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63 // COma1Dcf::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 COma1Dcf::ConstructL(const RFile& aFile) |
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68 { |
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69 CDcfCommon::ConstructL(aFile); |
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70 User::LeaveIfError(ReadHeaderL()); |
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71 } |
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72 |
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73 void COma1Dcf::ConstructL(const TDesC8& aMemoryBlock) |
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74 { |
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75 User::LeaveIfError(ReadHeaderL(aMemoryBlock)); |
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76 iData = aMemoryBlock.AllocL(); |
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77 } |
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78 |
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79 // ----------------------------------------------------------------------------- |
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80 // COma1Dcf::FetchOmaBasedInfoL |
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81 // ----------------------------------------------------------------------------- |
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82 // |
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83 HBufC8* COma1Dcf::FetchOmaBasedInfoL() |
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84 { |
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85 CRepository* repository( NULL ); |
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86 RBuf bOmaBasedMimeType; |
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87 HBufC8* mimetype = NULL; |
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88 |
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89 CleanupClosePushL(bOmaBasedMimeType); |
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90 bOmaBasedMimeType.CreateL( KCenRepDataLength ); |
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91 |
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92 repository = CRepository::NewL( KCRUidOmaBased ); |
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93 |
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94 CleanupStack::PushL( repository ); |
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95 |
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96 User::LeaveIfError(repository->Get( KOmaBasedMimeType, bOmaBasedMimeType )); |
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97 mimetype = CnvUtfConverter::ConvertFromUnicodeToUtf8L( bOmaBasedMimeType ); |
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98 CleanupStack::PopAndDestroy( repository ); |
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99 |
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100 CleanupStack::PopAndDestroy(); |
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101 |
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102 return mimetype; |
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103 |
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104 } |
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105 |
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106 // ----------------------------------------------------------------------------- |
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107 // COma1Dcf::NewL |
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108 // Two-phased constructor. |
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109 // ----------------------------------------------------------------------------- |
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110 // |
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111 EXPORT_C COma1Dcf* COma1Dcf::NewL(const RFile& aFile) |
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112 { |
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113 COma1Dcf* self = new(ELeave) COma1Dcf; |
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114 |
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115 CleanupStack::PushL(self); |
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116 self->ConstructL(aFile); |
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117 CleanupStack::Pop(); |
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118 |
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119 return self; |
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120 } |
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121 |
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122 // ----------------------------------------------------------------------------- |
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123 // COma1Dcf:: |
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124 // |
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125 // ----------------------------------------------------------------------------- |
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126 // |
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127 EXPORT_C COma1Dcf* COma1Dcf::NewL(const TDesC8& aMemoryBlock) |
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128 { |
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129 COma1Dcf* self = new(ELeave) COma1Dcf; |
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130 |
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131 CleanupStack::PushL(self); |
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132 self->ConstructL(aMemoryBlock); |
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133 CleanupStack::Pop(); |
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134 |
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135 return self; |
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136 } |
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137 |
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138 // ----------------------------------------------------------------------------- |
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139 // COma1Dcf:: |
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140 // |
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141 // ----------------------------------------------------------------------------- |
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142 // |
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143 EXPORT_C COma1Dcf::~COma1Dcf() |
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144 { |
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145 delete iHeaders; |
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146 } |
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147 |
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148 // ----------------------------------------------------------------------------- |
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149 // COma1Dcf:: |
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150 // |
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151 // ----------------------------------------------------------------------------- |
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152 // |
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153 TInt COma1Dcf::ReadHeaderL(const TDesC8& aMemoryBlock) |
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154 { |
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155 TInt r = KErrNone; |
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156 TInt cidLength = 0; |
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157 TInt mimeLength = 0; |
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158 TInt fieldLength = 0; |
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159 TBuf8<10> lengthFields; |
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160 TUint32 length; |
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161 TPtr8 ptr(NULL,0,0); |
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162 |
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163 if (aMemoryBlock.Length()<3) |
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164 { |
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165 User::Leave(KErrArgument); |
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166 } |
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167 |
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168 iVersion = aMemoryBlock[0]; |
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169 |
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170 if (iVersion!=1) |
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171 { |
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172 // for OMA Version 1, DCF version must be 1 |
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173 User::Leave(KErrArgument); |
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174 } |
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175 |
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176 mimeLength = aMemoryBlock[1]; |
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177 cidLength = aMemoryBlock[2]; |
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178 |
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179 if (mimeLength + cidLength + 3 + 5 + 5 > aMemoryBlock.Length()) |
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180 { |
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181 User::Leave(KErrArgument); |
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182 } |
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183 |
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184 |
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185 if (mimeLength!=0) |
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186 { |
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187 iMimeType = aMemoryBlock.Mid(3, mimeLength).AllocL(); |
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188 ptr.Set(iMimeType->Des()); |
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189 r = ptr.FindF(_L8("/")); |
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190 if (r==KErrNotFound) |
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191 { |
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192 User::Leave(KErrArgument); |
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193 } |
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194 } |
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195 else |
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196 { |
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197 User::Leave(KErrArgument); |
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198 } |
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199 |
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200 |
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201 if (cidLength!=0) |
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202 { |
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203 iContentID = aMemoryBlock.Mid(3 + mimeLength, cidLength).AllocL(); |
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204 } |
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205 else |
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206 { |
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207 User::Leave(KErrArgument); |
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208 } |
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209 |
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210 |
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211 lengthFields.Copy(aMemoryBlock.Mid(3 + mimeLength + cidLength, 10)); |
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212 TWspPrimitiveDecoder decoder(lengthFields); |
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213 fieldLength = decoder.UintVar(length); |
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214 if( fieldLength < 0 ) |
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215 { |
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216 User::Leave(KErrArgument); |
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217 } |
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218 iHeaderLength = length; |
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219 fieldLength += decoder.UintVar(length); |
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220 if( fieldLength < 0 ) |
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221 { |
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222 User::Leave(KErrArgument); |
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223 } |
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224 |
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225 iDataLength = length; |
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226 iOffset = 3 + mimeLength + cidLength + fieldLength + iHeaderLength; |
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227 if (iDataLength == 0) |
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228 { |
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229 iDataLength = aMemoryBlock.Length() - iOffset; |
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230 } |
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231 iPlainTextLength = iDataLength - KDCFKeySize; |
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232 iPlainTextLengthValid = EFalse; |
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233 |
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234 if (mimeLength + cidLength + 3 + 5 + 5 + iHeaderLength <= |
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235 aMemoryBlock.Length()) |
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236 { |
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237 iHeaders = aMemoryBlock.Mid(3 + mimeLength + cidLength + |
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238 fieldLength, iHeaderLength).AllocL(); |
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239 |
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240 ReadHeaderValuesL(); |
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241 } |
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242 return r; |
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243 } |
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244 |
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245 // ----------------------------------------------------------------------------- |
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246 // COma1Dcf::ReadHeaderValuesL |
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247 // |
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248 // ----------------------------------------------------------------------------- |
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249 // |
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250 void COma1Dcf::ReadHeaderValuesL(void) |
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251 { |
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252 TPtrC8 ptr(NULL, 0); |
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253 |
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254 if (GetHeaderL(KRightsIssuer, ptr) == KErrNone) |
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255 { |
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256 if( iRightsIssuerURL ) |
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257 { |
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258 delete iRightsIssuerURL; |
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259 iRightsIssuerURL = NULL; |
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260 } |
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261 iRightsIssuerURL = ptr.AllocL(); |
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262 } |
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263 if (GetHeaderL(KContentName, ptr) == KErrNone) |
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264 { |
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265 if( iTitle ) |
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266 { |
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267 delete iTitle; |
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268 iTitle = NULL; |
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269 } |
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270 iTitle = ptr.AllocL(); |
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271 } |
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272 if (GetHeaderL(KContentDescription, ptr) == KErrNone) |
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273 { |
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274 if( iDescription ) |
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275 { |
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276 delete iDescription; |
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277 iDescription = NULL; |
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278 } |
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279 iDescription = ptr.AllocL(); |
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280 } |
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281 if (GetHeaderL(KIconURI, ptr) == KErrNone) |
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282 { |
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283 if( iIconUri ) |
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284 { |
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285 delete iIconUri; |
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286 iIconUri = NULL; |
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287 } |
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288 iIconUri = ptr.AllocL(); |
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289 } |
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290 } |
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291 |
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292 // ----------------------------------------------------------------------------- |
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293 // COma1Dcf:: |
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294 // |
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295 // ----------------------------------------------------------------------------- |
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296 // |
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297 TInt COma1Dcf::ReadHeaderL(void) |
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298 { |
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299 TInt r = KErrNone; |
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300 TInt pos = 0; |
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301 TUint8 v = 0; |
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302 TPtr8 p(&v, 1, 1); |
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303 TInt cidLength = 0; |
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304 TInt mimeLength = 0; |
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305 TInt fieldLength = 0; |
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306 TBuf8<10> lengthFields; |
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307 TUint32 length; |
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308 TInt size; |
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309 |
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310 iFile.Size(size); |
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311 if (size<3) |
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312 { |
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313 User::Leave(KErrArgument); |
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314 } |
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315 iFile.Seek(ESeekStart, pos); |
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316 |
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317 iFile.Read(p); |
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318 iVersion = v; |
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319 if (iVersion!=1) |
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320 { |
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321 // for OMA Version 1, DCF version must be 1 |
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322 User::Leave(KErrArgument); |
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323 } |
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324 |
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325 iFile.Read(p); |
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326 mimeLength = v; |
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327 if (mimeLength==0) |
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328 { |
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329 User::Leave(KErrArgument); |
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330 } |
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331 |
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332 iFile.Read(p); |
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333 cidLength = v; |
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334 if (cidLength==0) |
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335 { |
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336 User::Leave(KErrArgument); |
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337 } |
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338 |
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339 iMimeType = HBufC8::NewMax(mimeLength); |
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340 User::LeaveIfNull(iMimeType); |
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341 p.Set(iMimeType->Des()); |
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342 iFile.Read(p, mimeLength); |
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343 p.Set(iMimeType->Des()); |
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344 r = p.FindF(_L8("/")); |
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345 if (r==KErrNotFound) |
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346 { |
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347 User::Leave(KErrArgument); |
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348 } |
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349 |
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350 iContentID = HBufC8::NewMax(cidLength); |
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351 User::LeaveIfNull(iContentID); |
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352 p.Set(iContentID->Des()); |
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353 iFile.Read(p, cidLength); |
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354 |
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355 pos = 0; |
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356 iFile.Seek(ESeekCurrent, pos); |
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357 iFile.Read(lengthFields); |
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358 TWspPrimitiveDecoder decoder(lengthFields); |
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359 fieldLength = decoder.UintVar(length); |
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360 if( fieldLength < 0 ) |
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361 { |
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362 User::Leave(KErrArgument); |
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363 } |
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364 iHeaderLength = length; |
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365 fieldLength += decoder.UintVar(length); |
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366 if( fieldLength < 0 ) |
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367 { |
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368 User::Leave(KErrArgument); |
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369 } |
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370 |
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371 iDataLength = length; |
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372 iOffset = pos + fieldLength + iHeaderLength; |
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373 if (iDataLength == 0) |
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374 { |
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375 iDataLength = size - iOffset; |
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376 } |
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377 iPlainTextLength = iDataLength - KDCFKeySize; |
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378 iPlainTextLengthValid = EFalse; |
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379 |
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380 pos = pos + fieldLength; |
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381 iFile.Seek(ESeekStart, pos); |
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382 iHeaders = HBufC8::NewL(iHeaderLength); |
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383 p.Set(iHeaders->Des()); |
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384 iFile.Read(p, iHeaderLength); |
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385 |
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386 ReadHeaderValuesL(); |
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387 |
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388 return r; |
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389 } |
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390 |
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391 // ----------------------------------------------------------------------------- |
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392 // COma1Dcf:: |
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393 // |
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394 // ----------------------------------------------------------------------------- |
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395 // |
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396 EXPORT_C TBool COma1Dcf::IsValidDcf(const TDesC8& aDcfFragment) |
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397 { |
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398 TPtrC8 mimeType; |
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399 TInt i; |
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400 TBool r = EFalse; |
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401 TInt error = KErrNone; |
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402 HBufC8* omaBasedBuf = NULL; |
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403 |
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404 if (aDcfFragment.Length() > 15) |
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405 { |
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406 i = aDcfFragment.Right(aDcfFragment.Length() - 3).Locate('/'); |
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407 if (aDcfFragment[0] == 1 && i != KErrNotFound) |
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408 { |
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409 mimeType.Set(aDcfFragment.Mid(3, i)); |
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410 if (mimeType.CompareF(KMimeImage) == 0 || |
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411 mimeType.CompareF(KMimeAudio) == 0 || |
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412 mimeType.CompareF(KMimeApplication) == 0 || |
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413 mimeType.CompareF(KMimeText) == 0 || |
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414 mimeType.CompareF(KMimeModel) == 0 || |
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415 mimeType.CompareF(KMimeMessage) == 0 || |
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416 mimeType.CompareF(KMimeVideo) == 0 || |
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417 mimeType.CompareF(KMimeMultipart) == 0 || |
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418 aDcfFragment.Mid(3, 2).CompareF(KXHeader) == 0) |
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419 { |
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420 r = ETrue; |
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421 // Check for specific mimetype |
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422 |
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423 TRAP( error, omaBasedBuf = FetchOmaBasedInfoL() ); |
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424 |
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425 if( !error ) |
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426 { |
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427 mimeType.Set(aDcfFragment.Mid(3, |
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428 omaBasedBuf->Length())); |
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429 |
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430 |
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431 if (mimeType.CompareF( *omaBasedBuf ) == 0) |
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432 { |
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433 r = EFalse; |
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434 } |
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435 } |
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436 delete omaBasedBuf; |
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437 } |
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438 } |
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439 } |
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440 return r; |
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441 } |
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442 |
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443 // ----------------------------------------------------------------------------- |
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444 // COma1Dcf:: |
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445 // |
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446 // ----------------------------------------------------------------------------- |
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447 // |
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448 TInt COma1Dcf::CheckUniqueId(const TDesC& aUniqueId) |
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449 { |
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450 TInt r = CDcfCommon::CheckUniqueId(aUniqueId); |
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451 |
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452 if (r == KErrNotFound) |
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453 { |
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454 HBufC8* id = NULL; |
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455 TRAPD(err, id = CnvUtfConverter::ConvertFromUnicodeToUtf8L(aUniqueId)); |
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456 if (err == KErrNone) |
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457 { |
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458 if (iContentID->Compare(*id) == 0) |
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459 { |
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460 r = 0; |
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461 } |
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462 } |
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463 else |
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464 { |
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465 r = err; |
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466 } |
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467 delete id; |
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468 } |
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469 return r; |
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470 } |
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471 |
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472 // ----------------------------------------------------------------------------- |
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473 // COma1Dcf:: |
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474 // |
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475 // ----------------------------------------------------------------------------- |
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476 // |
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477 TInt COma1Dcf::OpenPart(const TDesC& aUniqueId) |
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478 { |
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479 return OpenPart(CheckUniqueId(aUniqueId)); |
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480 } |
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481 |
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482 // ----------------------------------------------------------------------------- |
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483 // COma1Dcf:: |
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484 // |
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485 // ----------------------------------------------------------------------------- |
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486 // |
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487 TInt COma1Dcf::OpenPart(TInt aPart) |
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488 { |
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489 if (aPart == 0) |
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490 { |
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491 return KErrNone; |
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492 } |
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493 else |
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494 { |
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495 return KErrNotFound; |
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496 } |
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497 } |
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498 |
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499 // ----------------------------------------------------------------------------- |
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500 // COma1Dcf:: |
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501 // |
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502 // ----------------------------------------------------------------------------- |
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503 // |
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504 void COma1Dcf::GetPartIdsL(RPointerArray<HBufC8>& aPartList) |
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505 { |
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506 aPartList.ResetAndDestroy(); |
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507 aPartList.AppendL(iContentID->Des().AllocL()); |
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508 } |
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509 |
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510 // ----------------------------------------------------------------------------- |
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511 // COma1Dcf::GetHeaderL |
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512 // |
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513 // ----------------------------------------------------------------------------- |
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514 // |
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515 EXPORT_C TInt COma1Dcf::GetHeaderL( |
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516 const TDesC8& aHeaderName, |
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517 TPtrC8& aHeaderValue) |
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518 { |
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519 TInt i; |
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520 TInt j; |
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521 TPtrC8 ptr( iHeaders->Des() ); |
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522 |
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523 // Add Room for CRLF and Semicolon: |
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524 HBufC8* buffer = HBufC8::NewMaxLC( aHeaderName.Length() + 3 ); |
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525 TPtr8 searchBuf( const_cast<TUint8*>(buffer->Ptr()), 0, buffer->Des().MaxSize() ); |
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526 |
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527 searchBuf.Copy(aHeaderName); |
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528 searchBuf.Append(KColon); |
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529 |
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530 // First see if the |
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531 i = ptr.Find(searchBuf); |
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532 if( i < 0 ) |
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533 { |
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534 CleanupStack::PopAndDestroy(); // buffer |
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535 return KErrNotFound; |
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536 } |
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537 |
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538 if( i > 0 ) |
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539 { |
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540 // if it's not the first one, use the search buffer: |
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541 // Create the search buffer |
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542 searchBuf.Copy(KEndLine); |
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543 searchBuf.Append(aHeaderName); |
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544 searchBuf.Append(KColon); |
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545 |
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546 // First see if the |
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547 i = ptr.Find(searchBuf); |
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548 if ( i < 0 ) |
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549 { |
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550 CleanupStack::PopAndDestroy(); // buffer |
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551 return KErrNotFound; |
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552 } |
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553 } |
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554 // Move search buffer |
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555 i += searchBuf.Length(); |
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556 |
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557 j = ptr.Mid(i).Find(KEndLine); |
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558 if( j < 0 ) |
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559 { |
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560 CleanupStack::PopAndDestroy(); // buffer |
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561 return KErrNotFound; |
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562 } |
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563 |
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564 aHeaderValue.Set( ptr.Mid(i, j) ); |
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565 |
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566 CleanupStack::PopAndDestroy(); // buffer |
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567 return KErrNone; |
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568 } |
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569 |
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570 // End of File |