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1 /* |
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2 * Copyright (c) 2004-2008 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: Datatype for the Common Rights Database Data |
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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 <s32strm.h> |
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22 #include <s32mem.h> |
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23 #include <caf/caf.h> |
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24 #include <asymmetric.h> |
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25 |
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26 #include "DRMDomainContext.h" |
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27 #include "OmaCrypto.h" |
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28 #include "drmlog.h" |
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29 |
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30 // EXTERNAL DATA STRUCTURES |
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31 |
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32 // EXTERNAL FUNCTION PROTOTYPES |
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33 |
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34 // CONSTANTS |
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35 |
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36 // MACROS |
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37 |
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38 // LOCAL CONSTANTS AND MACROS |
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39 const TInt KMaxUrlLength = 32768; |
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40 const TUint8 KMinDomainIdSize = 4; |
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41 const TUint8 KMaxDomainIdSize = 20; |
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42 |
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43 // MODULE DATA STRUCTURES |
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44 |
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45 // LOCAL FUNCTION PROTOTYPES |
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46 |
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47 // FORWARD DECLARATIONS |
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48 |
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49 // ============================= LOCAL FUNCTIONS =============================== |
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50 // ============================ MEMBER FUNCTIONS =============================== |
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51 |
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52 // ----------------------------------------------------------------------------- |
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53 // CDRMDomainContext::NewLC |
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54 // Two-phased constructor. |
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55 // ----------------------------------------------------------------------------- |
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56 // |
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57 EXPORT_C CDRMDomainContext* CDRMDomainContext::NewLC( const TDesC8& aDomainID, |
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58 const TTime& aExpiryTime, |
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59 const TBool aHashChained, |
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60 const RPointerArray< HBufC8 >& aDomainKeys, |
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61 const TDesC8& aRiId, |
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62 const TDesC8& aRightsIssuerURL ) |
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63 { |
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64 CDRMDomainContext* self = new( ELeave ) CDRMDomainContext( aExpiryTime, |
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65 aHashChained ); |
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66 CleanupStack::PushL( self ); |
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67 self->ConstructL( aDomainID, aDomainKeys, |
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68 aRiId, aRightsIssuerURL ); |
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69 |
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70 return self; |
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71 }; |
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72 |
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73 |
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74 // ----------------------------------------------------------------------------- |
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75 // CDRMDomainContext::NewL |
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76 // Two-phased constructor. |
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77 // ----------------------------------------------------------------------------- |
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78 // |
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79 EXPORT_C CDRMDomainContext* CDRMDomainContext::NewL(const TDesC8& aDomainID, |
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80 const TTime& aExpiryTime, |
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81 const TBool aHashChained, |
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82 const RPointerArray< HBufC8 >& aDomainKeys, |
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83 const TDesC8& aRiId, |
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84 const TDesC8& aRightsIssuerURL ) |
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85 { |
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86 CDRMDomainContext* self = NewLC( aDomainID, aExpiryTime, |
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87 aHashChained, aDomainKeys, |
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88 aRiId, aRightsIssuerURL ); |
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89 CleanupStack::Pop(); |
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90 |
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91 return self; |
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92 }; |
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93 |
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94 // ----------------------------------------------------------------------------- |
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95 // CDRMDomainContext::NewLC |
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96 // Two-phased constructor. |
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97 // ----------------------------------------------------------------------------- |
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98 // |
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99 EXPORT_C CDRMDomainContext* CDRMDomainContext::NewLC() |
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100 { |
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101 CDRMDomainContext* self = new( ELeave ) CDRMDomainContext(); |
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102 CleanupStack::PushL( self ); |
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103 |
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104 return self; |
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105 }; |
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106 |
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107 |
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108 // ----------------------------------------------------------------------------- |
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109 // CDRMDomainContext::NewL |
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110 // Two-phased constructor. |
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111 // ----------------------------------------------------------------------------- |
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112 // |
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113 EXPORT_C CDRMDomainContext* CDRMDomainContext::NewL() |
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114 { |
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115 CDRMDomainContext* self = NewLC(); |
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116 CleanupStack::Pop(); |
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117 |
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118 return self; |
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119 }; |
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120 |
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121 |
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122 // ----------------------------------------------------------------------------- |
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123 // Default Constructor - First phase. |
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124 // Can be used by itself to generate an empty object |
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125 // ----------------------------------------------------------------------------- |
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126 // |
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127 CDRMDomainContext::CDRMDomainContext(): |
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128 iHashChained( EFalse ), |
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129 iRightsIssuerURL( NULL ) |
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130 { |
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131 iDomainID.SetLength( 0 ); |
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132 iRightsIssuerID.SetLength( 0 ); |
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133 iDomainKeys.Reset(); |
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134 }; |
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135 |
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136 |
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137 // ----------------------------------------------------------------------------- |
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138 // Default Constructor - First phase. |
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139 // Can be used by itself to generate an empty object |
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140 // ----------------------------------------------------------------------------- |
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141 // |
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142 EXPORT_C CDRMDomainContext::CDRMDomainContext( const TTime& aExpiryTime, |
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143 const TBool aHashChained ) : |
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144 iExpiryTime( aExpiryTime ), |
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145 iHashChained( aHashChained ) |
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146 { |
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147 iDomainID.SetLength( 0 ); |
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148 iRightsIssuerID.SetLength( 0 ); |
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149 iDomainKeys.Reset(); |
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150 }; |
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151 |
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152 // ----------------------------------------------------------------------------- |
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153 // Destructor |
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154 // ----------------------------------------------------------------------------- |
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155 // |
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156 EXPORT_C CDRMDomainContext::~CDRMDomainContext() |
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157 { |
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158 // Empty and destroy the pointer array |
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159 iDomainKeys.ResetAndDestroy(); |
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160 |
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161 if( iRightsIssuerURL ) |
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162 { |
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163 delete iRightsIssuerURL; |
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164 iRightsIssuerURL = NULL; |
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165 } |
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166 }; |
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167 |
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168 |
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169 // ----------------------------------------------------------------------------- |
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170 // CDRMDomainContext::DomainID |
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171 // ----------------------------------------------------------------------------- |
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172 // |
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173 EXPORT_C const TPtrC8 CDRMDomainContext::DomainID() const |
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174 { |
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175 // last three digits presents the domain generation |
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176 if ( iDomainID.Length() >= KMinDomainIdSize && |
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177 iDomainID.Length() <= KMaxDomainIdSize ) |
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178 { |
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179 return iDomainID.Left( iDomainID.Length() - 3 ); |
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180 } |
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181 else |
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182 { |
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183 return KNullDesC8(); |
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184 } |
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185 }; |
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186 |
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187 // ----------------------------------------------------------------------------- |
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188 // CDRMDomainContext::ExpiryTime |
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189 // ----------------------------------------------------------------------------- |
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190 // |
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191 EXPORT_C const TTime CDRMDomainContext::ExpiryTime() const |
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192 { |
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193 return iExpiryTime; |
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194 } |
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195 |
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196 // ----------------------------------------------------------------------------- |
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197 // CDRMDomainContext::HashChained |
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198 // ----------------------------------------------------------------------------- |
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199 // |
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200 EXPORT_C TBool CDRMDomainContext::HashChained() const |
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201 { |
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202 return iHashChained; |
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203 } |
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204 |
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205 // ----------------------------------------------------------------------------- |
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206 // CDRMDomainContext::DomainKeys |
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207 // ----------------------------------------------------------------------------- |
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208 // |
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209 EXPORT_C const RPointerArray< HBufC8 >& CDRMDomainContext::DomainKeys() const |
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210 { |
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211 return iDomainKeys; |
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212 } |
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213 |
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214 // ----------------------------------------------------------------------------- |
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215 // CDRMDomainContext::DomainKey |
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216 // ----------------------------------------------------------------------------- |
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217 // |
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218 EXPORT_C HBufC8* CDRMDomainContext::DomainKeyL( const TInt aGeneration ) const |
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219 { |
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220 TInt newestGeneration( DomainGeneration() ); |
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221 TInt loops( newestGeneration - aGeneration ); |
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222 HBufC8* domainKey( NULL ); |
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223 HBufC8* temp( NULL ); |
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224 |
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225 if ( loops < 0 || aGeneration > newestGeneration ) |
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226 { |
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227 User::Leave( KErrArgument ); |
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228 } |
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229 |
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230 if ( iHashChained ) |
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231 { |
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232 domainKey = iDomainKeys[0]->AllocL(); |
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233 for ( TInt i = 0; i < loops; i++ ) |
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234 { |
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235 CleanupStack::PushL( domainKey ); |
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236 temp = OmaCrypto::KdfL( *domainKey, KNullDesC8, OmaCrypto::KKeySize ); |
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237 CleanupStack::PopAndDestroy( domainKey ); |
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238 domainKey = temp; |
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239 } |
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240 } |
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241 else |
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242 { |
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243 domainKey = iDomainKeys[aGeneration]->AllocL(); |
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244 } |
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245 |
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246 return domainKey; |
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247 } |
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248 |
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249 /// ----------------------------------------------------------------------------- |
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250 // CDRMDomainContext::DomainGeneration |
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251 // ----------------------------------------------------------------------------- |
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252 // |
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253 EXPORT_C TInt CDRMDomainContext::DomainGeneration() const |
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254 { |
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255 // last three digits presents the domain generation |
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256 TInt generation = 0; |
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257 TLex8 lex( iDomainID.Right( 3 ) ); |
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258 lex.Val( generation ); |
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259 return generation; |
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260 }; |
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261 |
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262 |
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263 // ----------------------------------------------------------------------------- |
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264 // CDRMDomainContext::PublicKey |
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265 // ----------------------------------------------------------------------------- |
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266 // |
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267 EXPORT_C const TDesC8& CDRMDomainContext::RightsIssuerID() const |
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268 { |
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269 return iRightsIssuerID; |
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270 }; |
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271 |
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272 // ----------------------------------------------------------------------------- |
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273 // CDRMDomainContext::RightsIssuerURL |
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274 // ----------------------------------------------------------------------------- |
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275 // |
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276 EXPORT_C const TDesC8& CDRMDomainContext::RightsIssuerURL() const |
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277 { |
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278 return *iRightsIssuerURL; |
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279 }; |
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280 |
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281 |
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282 |
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283 // ----------------------------------------------------------------------------- |
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284 // CDRMDomainContext::SetDomainIDL |
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285 // ----------------------------------------------------------------------------- |
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286 // |
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287 EXPORT_C void CDRMDomainContext::SetDomainIDL( const TDesC8& aDomainID ) |
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288 { |
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289 if ( aDomainID.Length() >= KMinDomainIdSize && |
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290 aDomainID.Length() <= KMaxDomainIdSize ) |
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291 { |
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292 iDomainID.Copy(aDomainID); |
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293 } |
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294 else |
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295 { |
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296 User::Leave( KErrArgument ); |
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297 } |
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298 }; |
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299 |
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300 // ----------------------------------------------------------------------------- |
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301 // CDRMDomainContext::SetExpiryTimeL |
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302 // ----------------------------------------------------------------------------- |
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303 // |
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304 EXPORT_C void CDRMDomainContext::SetExpiryTimeL( const TTime& aExpiryTime ) |
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305 { |
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306 iExpiryTime = aExpiryTime; |
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307 }; |
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308 |
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309 // ----------------------------------------------------------------------------- |
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310 // CDRMDomainContext::SetHashChained |
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311 // ----------------------------------------------------------------------------- |
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312 // |
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313 EXPORT_C void CDRMDomainContext::SetHashChainedL( const TBool& aHashChained ) |
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314 { |
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315 iHashChained = aHashChained; |
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316 }; |
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317 |
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318 |
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319 // ----------------------------------------------------------------------------- |
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320 // CDRMDomainContext::SetDomainKeysL |
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321 // ----------------------------------------------------------------------------- |
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322 // |
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323 EXPORT_C void CDRMDomainContext::SetDomainKeysL( |
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324 const RPointerArray< HBufC8 >& aDomainKeys ) |
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325 { |
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326 HBufC8* tempData = NULL; |
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327 |
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328 // Clear the old algorithms |
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329 iDomainKeys.ResetAndDestroy(); |
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330 |
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331 // Append the new stuff |
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332 for( TInt i = 0; i < aDomainKeys.Count(); i++ ) |
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333 { |
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334 tempData = aDomainKeys[i]->AllocLC(); |
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335 iDomainKeys.AppendL( tempData ); |
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336 CleanupStack::Pop(); |
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337 } |
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338 }; |
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339 |
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340 // ----------------------------------------------------------------------------- |
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341 // CDRMDomainContext::SetPublicKeyL |
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342 // ----------------------------------------------------------------------------- |
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343 // |
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344 EXPORT_C void CDRMDomainContext::SetRightsIssuerIDL( |
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345 const TDesC8& aRightsIssuerID ) |
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346 { |
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347 iRightsIssuerID.Copy( aRightsIssuerID ); |
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348 }; |
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349 |
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350 // ----------------------------------------------------------------------------- |
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351 // CDRMDomainContext::SetRightsIssuerURLL |
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352 // ----------------------------------------------------------------------------- |
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353 // |
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354 EXPORT_C void CDRMDomainContext::SetRightsIssuerURLL( |
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355 const TDesC8& aRightsIssuerURL ) |
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356 { |
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357 HBufC8* newRightsIssuerURL = aRightsIssuerURL.AllocL(); |
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358 |
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359 if( iRightsIssuerURL ) |
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360 { |
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361 delete iRightsIssuerURL; |
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362 iRightsIssuerURL = NULL; |
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363 } |
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364 iRightsIssuerURL = newRightsIssuerURL; |
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365 }; |
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366 |
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367 // ----------------------------------------------------------------------------- |
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368 // CDRMDomainContext::ExternalizeL |
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369 // ----------------------------------------------------------------------------- |
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370 // |
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371 EXPORT_C void CDRMDomainContext::ExternalizeL( RWriteStream& aStream ) const |
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372 { |
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373 TUint8 flag; |
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374 |
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375 // Write the ContentID |
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376 aStream << iDomainID; |
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377 |
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378 // expiry time |
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379 WriteInt64L( iExpiryTime.Int64(), aStream ); |
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380 |
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381 // hash chained |
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382 aStream.WriteInt8L( iHashChained ); |
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383 |
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384 // write the domain keys |
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385 |
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386 // How many: |
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387 aStream.WriteInt32L( iDomainKeys.Count() ); |
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388 |
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389 // for each in rpointerarray |
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390 for( TInt i = 0; i < iDomainKeys.Count(); i++ ) |
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391 { |
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392 aStream << *(iDomainKeys[i]); |
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393 } |
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394 |
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395 // Write the rights issuer ID |
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396 aStream << iRightsIssuerID; |
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397 |
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398 // Write the rights issuer url |
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399 if (iRightsIssuerURL) |
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400 { |
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401 flag = ETrue; |
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402 aStream << flag; |
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403 aStream << *iRightsIssuerURL; |
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404 } |
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405 else |
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406 { |
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407 flag = EFalse; |
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408 aStream << flag; |
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409 } |
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410 }; |
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411 |
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412 // ----------------------------------------------------------------------------- |
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413 // CDRMDomainContext::InternalizeL |
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414 // ----------------------------------------------------------------------------- |
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415 // |
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416 EXPORT_C void CDRMDomainContext::InternalizeL( RReadStream& aStream ) |
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417 { |
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418 HBufC8* dataPart = 0; |
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419 TPtr8 dataBuffer(NULL,0,0); |
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420 TInt count = 0; |
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421 TInt64 timeData; |
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422 TUint8 flag; |
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423 |
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424 // Read the DomainID |
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425 aStream >> iDomainID; |
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426 |
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427 // read the expiry time |
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428 ReadInt64L( timeData, aStream ); |
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429 iExpiryTime = timeData; |
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430 |
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431 // read the hash chained |
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432 iHashChained = aStream.ReadInt8L(); |
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433 |
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434 // read the algorithms |
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435 |
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436 // How many: |
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437 count = aStream.ReadInt32L(); |
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438 |
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439 // for each in rpointerarray |
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440 for( TInt i = 0; i < count; i++ ) |
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441 { |
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442 // Read the ContentID |
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443 dataPart = HBufC8::NewL( aStream, KMaxUrlLength ); |
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444 |
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445 // assign the new content id |
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446 iDomainKeys.AppendL( dataPart ); |
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447 } |
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448 |
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449 // Read the rights issuer ID |
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450 aStream >> iRightsIssuerID; |
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451 |
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452 // Read the rights issuer url |
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453 if( iRightsIssuerURL ) |
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454 { |
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455 delete iRightsIssuerURL; |
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456 iRightsIssuerURL = NULL; |
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457 } |
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458 |
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459 aStream >> flag; |
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460 if (flag) |
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461 { |
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462 iRightsIssuerURL = HBufC8::NewL( aStream, KMaxUrlLength ); |
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463 } |
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464 }; |
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465 |
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466 |
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467 // ----------------------------------------------------------------------------- |
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468 // CDRMDomainContext::ImportL |
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469 // ----------------------------------------------------------------------------- |
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470 // |
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471 EXPORT_C void CDRMDomainContext::ImportL( const TDesC8& aBuffer ) |
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472 { |
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473 TInt size = aBuffer.Size(); |
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474 RMemReadStream stream( (TAny*)( aBuffer.Ptr() ), size ); |
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475 CleanupClosePushL( stream ); |
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476 |
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477 InternalizeL( stream ); |
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478 |
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479 CleanupStack::PopAndDestroy(); // Stream |
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480 }; |
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481 |
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482 |
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483 // ----------------------------------------------------------------------------- |
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484 // CDRMDomainContext::ExportL |
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485 // ----------------------------------------------------------------------------- |
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486 // |
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487 EXPORT_C HBufC8* CDRMDomainContext::ExportL() const |
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488 { |
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489 TInt size = Size(); |
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490 HBufC8* data = HBufC8::NewMaxLC( size ); |
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491 |
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492 RMemWriteStream stream( (TAny*)( data->Ptr() ), size ); |
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493 CleanupClosePushL( stream ); |
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494 |
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495 ExternalizeL( stream ); |
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496 |
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497 CleanupStack::PopAndDestroy(); // Stream |
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498 CleanupStack::Pop(); |
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499 return data; |
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500 }; |
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501 |
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502 // ----------------------------------------------------------------------------- |
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503 // CDRMDomainContext::Size |
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504 // ----------------------------------------------------------------------------- |
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505 // |
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506 EXPORT_C TInt CDRMDomainContext::Size() const |
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507 { |
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508 TInt size = 0; |
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509 |
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510 // domain identifier |
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511 size += sizeof(TInt32); |
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512 size += iDomainID.Length(); |
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513 |
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514 // size of the expiry time |
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515 size += sizeof(TInt64); |
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516 |
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517 // size of the boolean |
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518 size += sizeof(TBool); |
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519 |
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520 // How many: |
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521 size += sizeof(TInt32); |
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522 |
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523 // for each in rpointerarray |
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524 for( TInt i = 0; i < iDomainKeys.Count(); i++ ) |
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525 { |
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526 size += sizeof(TInt32); |
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527 size += iDomainKeys[i]->Size(); |
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528 } |
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529 |
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530 // Domain generation |
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531 size += sizeof(TInt32); |
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532 |
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533 // rights issuer ID |
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534 size += sizeof(TInt32); |
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535 size += iRightsIssuerID.Length(); |
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536 |
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537 // rights issuer url |
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538 size += sizeof(TUint8); |
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539 if( iRightsIssuerURL ) |
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540 { |
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541 size += sizeof(TInt32); |
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542 size += iRightsIssuerURL->Size(); |
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543 } |
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544 |
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545 return size; |
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546 }; |
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547 |
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548 // ----------------------------------------------------------------------------- |
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549 // CDRMDomainContext::ConstructL |
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550 // Second phase constructor |
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551 // ----------------------------------------------------------------------------- |
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552 // |
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553 void CDRMDomainContext::ConstructL( const TDesC8& aDomainID, |
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554 const RPointerArray< HBufC8 > aDomainKeys, |
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555 const TDesC8& aRightsIssuerID, |
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556 const TDesC8& aRightsIssuerURL ) |
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557 { |
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558 HBufC8* domainKey = NULL; |
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559 |
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560 // Copy the domain identifier |
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561 if ( aDomainID.Length() >= KMinDomainIdSize && |
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562 aDomainID.Length() <= KMaxDomainIdSize ) |
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563 { |
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564 iDomainID.Copy( aDomainID ); |
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565 } |
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566 else |
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567 { |
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568 User::Leave( KErrArgument ); |
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569 } |
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570 |
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571 // Copy the domain keys |
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572 for( TInt i = 0; i < aDomainKeys.Count();i++ ) |
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573 { |
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574 domainKey = aDomainKeys[i]->AllocLC(); |
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575 iDomainKeys.AppendL( domainKey ); |
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576 CleanupStack::Pop(); |
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577 } |
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578 |
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579 // copy the rights issuer ID |
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580 iRightsIssuerID.Copy( aRightsIssuerID ); |
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581 |
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582 // copy the rights issuer URL |
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583 iRightsIssuerURL = aRightsIssuerURL.AllocL(); |
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584 }; |
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585 |
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586 // ----------------------------------------------------------------------------- |
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587 // CDRMRIContext::WriteInt64L |
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588 // ----------------------------------------------------------------------------- |
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589 // |
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590 void CDRMDomainContext::WriteInt64L( const TInt64& aWrite, RWriteStream& aStream ) const |
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591 { |
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592 TPtr8 output( reinterpret_cast<TUint8*>(const_cast<TInt64*>(&aWrite)), |
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593 sizeof(TInt64), sizeof(TInt64) ); |
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594 |
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595 aStream.WriteL( output, sizeof(TInt64) ); |
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596 } |
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597 |
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598 // ----------------------------------------------------------------------------- |
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599 // CDRMRIContext::ReadInt64L |
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600 // ----------------------------------------------------------------------------- |
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601 // |
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602 void CDRMDomainContext::ReadInt64L( TInt64& aRead, RReadStream& aStream ) |
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603 { |
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604 TPtr8 input( reinterpret_cast<TUint8*>(&aRead), 0, sizeof(TInt64) ); |
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605 |
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606 aStream.ReadL( input, sizeof(TInt64) ); |
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607 }; |
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608 |
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609 // End of File |