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1 /* |
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2 * Copyright (c) 2004,2005 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: DRM helper for svgt files. |
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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 <DRMHelper.h> |
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22 #include <bamdesca.h> |
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23 #include <bautils.h> |
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24 #include <coemain.h> |
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25 #include <StringLoader.h> |
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26 #include <aknnotewrappers.h> |
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27 #include <caf/content.h> |
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28 #include <caf/attribute.h> |
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29 #include <caf/caftypes.h> |
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30 #include <caf/caferr.h> |
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31 #include <Oma2Agent.h> |
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32 |
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33 #include "SVGTDrmHelper.h" |
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34 |
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35 // CONSTANTS |
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36 |
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37 const TUint32 KSVGTCountConstraint = 3; |
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38 const TInt KSVGTTimeConstraint = 7; |
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39 const TInt KSVGTSecondsInDay = 86400; |
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40 |
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41 |
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42 // ============================ MEMBER FUNCTIONS =============================== |
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43 |
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44 // ----------------------------------------------------------------------------- |
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45 // CSVGTDrmHelper::CSVGTDrmHelper |
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46 // C++ default constructor can NOT contain any code, that |
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47 // might leave. |
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48 // ----------------------------------------------------------------------------- |
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49 // |
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50 CSVGTDrmHelper::CSVGTDrmHelper() : |
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51 iEnv(CCoeEnv::Static()) |
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52 { |
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53 } |
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54 |
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55 // ----------------------------------------------------------------------------- |
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56 // CSVGTDrmHelper::ConstructL |
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57 // Symbian 2nd phase constructor can leave. |
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58 // ----------------------------------------------------------------------------- |
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59 // |
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60 void CSVGTDrmHelper::ConstructL() |
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61 { |
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62 iDrmHelper = CDRMHelper::NewL( *iEnv ); |
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63 } |
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64 |
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65 // ----------------------------------------------------------------------------- |
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66 // CSVGTDrmHelper::NewL |
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67 // Two-phased constructor. |
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68 // ----------------------------------------------------------------------------- |
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69 // |
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70 CSVGTDrmHelper* CSVGTDrmHelper::NewL() |
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71 { |
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72 CSVGTDrmHelper* self = CSVGTDrmHelper::NewLC(); |
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73 CleanupStack::Pop( self ); |
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74 return self; |
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75 } |
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76 |
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77 // ----------------------------------------------------------------------------- |
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78 // CSVGTDrmHelper::NewLC |
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79 // Two-phased constructor. |
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80 // ----------------------------------------------------------------------------- |
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81 // |
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82 CSVGTDrmHelper* CSVGTDrmHelper::NewLC() |
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83 { |
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84 CSVGTDrmHelper* self = new(ELeave) CSVGTDrmHelper(); |
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85 CleanupStack::PushL(self); |
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86 self->ConstructL(); |
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87 return self; |
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88 } |
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89 |
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90 // ----------------------------------------------------------------------------- |
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91 // CSVGTDrmHelper::~CSVGTDrmHelper |
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92 // Destructor |
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93 // ----------------------------------------------------------------------------- |
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94 // |
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95 CSVGTDrmHelper::~CSVGTDrmHelper() |
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96 { |
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97 delete iRightsConstraints; |
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98 |
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99 // Delete the DRM Helper |
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100 delete iDrmHelper; |
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101 // Reset the environment pointer |
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102 iEnv = NULL; |
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103 } |
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104 |
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105 // ----------------------------------------------------------------------------- |
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106 // CSVGTDrmHelper::IsPreviewL |
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107 // ----------------------------------------------------------------------------- |
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108 // |
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109 TBool CSVGTDrmHelper::IsPreviewL( RFile& aFileHandle ) |
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110 { |
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111 LoadUsageRigthsInfoL( aFileHandle ); |
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112 |
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113 TSVGTRightsStatus rightsStatus; |
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114 GetUsageRightsStatus( rightsStatus ); |
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115 return ( rightsStatus == ESVGTPreview ); |
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116 |
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117 } |
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118 |
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119 // ----------------------------------------------------------------------------- |
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120 // CSVGTDrmHelper::CheckRightsAmountL |
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121 // ----------------------------------------------------------------------------- |
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122 // |
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123 TInt CSVGTDrmHelper::CheckRightsAmountL( RFile& aFileHandle ) |
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124 { |
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125 LoadUsageRigthsInfoL( aFileHandle ); |
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126 if ( iProtected ) |
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127 { |
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128 return iDrmHelper->CheckRightsAmountL( aFileHandle ); |
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129 } |
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130 else |
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131 { |
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132 return 0; |
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133 } |
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134 } |
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135 // ----------------------------------------------------------------------------- |
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136 // CSVGTDrmHelper::GetDrmDetailsL |
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137 // ----------------------------------------------------------------------------- |
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138 // |
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139 void CSVGTDrmHelper::GetDrmDetailsL( RFile& aFileHandle, |
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140 TBool& aRightsValid, TBool& aIsSeparateDeliveryNS, |
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141 TBool& aIsProtected ) |
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142 { |
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143 |
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144 |
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145 LoadUsageRigthsInfoL( aFileHandle ); |
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146 |
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147 aIsProtected = IsProtected(); |
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148 |
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149 if( !aIsProtected ) |
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150 { |
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151 return; |
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152 } |
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153 |
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154 TSVGTRightsStatus rightsStatus; |
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155 GetUsageRightsStatus( rightsStatus ); |
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156 aRightsValid = ( rightsStatus == ESVGTFull ) || |
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157 ( rightsStatus == ESVGTRestricted ) || |
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158 ( rightsStatus == ESVGTPreview ); |
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159 |
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160 |
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161 // Creates a handle to content handled via CAF |
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162 CContent *content = CContent::NewLC( aFileHandle ); |
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163 content->GetAttribute( EIsForwardable, aIsSeparateDeliveryNS ); |
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164 CleanupStack::PopAndDestroy( content ); |
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165 return; |
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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 // ----------------------------------------------------------------------------- |
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171 // CSVGTDrmHelper::LoadUsageRigthsInfoL |
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172 // ----------------------------------------------------------------------------- |
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173 // |
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174 void CSVGTDrmHelper::LoadUsageRigthsInfoL( RFile& aFileHandle ) |
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175 { |
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176 |
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177 delete iRightsConstraints; |
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178 iRightsConstraints = NULL; |
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179 //flag to check for SD protection |
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180 iIsSeparateDelivery=0; |
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181 // Creates a handle to content handled via CAF |
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182 CContent *content = CContent::NewLC( aFileHandle ); |
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183 content->GetAttribute( EIsProtected, iProtected ); |
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184 content->GetAttribute( EDeliveryMethod, iIsSeparateDelivery ); |
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185 CleanupStack::PopAndDestroy( content ); |
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186 |
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187 if ( iProtected ) |
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188 { |
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189 |
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190 CDRMHelperRightsConstraints* ignore1 = NULL; |
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191 CDRMHelperRightsConstraints* ignore2 = NULL; |
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192 CDRMHelperRightsConstraints* ignore3 = NULL; |
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193 |
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194 |
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195 TRAPD(error, iDrmHelper->GetRightsDetailsL(aFileHandle, |
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196 ContentAccess::EView, |
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197 iExpired, |
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198 iSendingAllowed, |
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199 ignore1, |
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200 iRightsConstraints, |
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201 ignore2, |
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202 ignore3)); |
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203 |
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204 // Delete ignored constraints |
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205 delete ignore1; |
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206 ignore1 = NULL; |
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207 delete ignore2; |
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208 ignore2 = NULL; |
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209 delete ignore3; |
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210 ignore3 = NULL; |
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211 |
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212 if ( error == KErrCANoRights ) |
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213 { |
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214 delete iRightsConstraints; |
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215 iRightsConstraints = NULL; |
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216 } |
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217 else |
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218 { |
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219 User::LeaveIfError(error); |
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220 } |
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221 } |
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222 else |
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223 { |
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224 iExpired = EFalse; |
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225 iSendingAllowed = ETrue; |
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226 } |
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227 |
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228 iDrmHelper->CanSetAutomated(aFileHandle, iCanSetAutomated); |
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229 |
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230 } |
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231 |
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232 // ----------------------------------------------------------------------------- |
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233 // CSVGTDrmHelper::GetUsageRightsStatus |
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234 // ----------------------------------------------------------------------------- |
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235 // |
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236 void CSVGTDrmHelper::GetUsageRightsStatus(TSVGTRightsStatus& aStatus) |
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237 { |
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238 if (!iProtected) |
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239 { |
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240 aStatus = ESVGTFull; |
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241 } |
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242 else if (iRightsConstraints) |
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243 { |
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244 if (iExpired) |
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245 { |
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246 aStatus = ESVGTExpired; |
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247 } |
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248 else if (iRightsConstraints->IsPreview()) |
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249 { |
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250 if(!(iIsSeparateDelivery==EOmaDrm2||iIsSeparateDelivery==EOmaDrm1SeparateDelivery)) |
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251 { |
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252 aStatus = ESVGTPreview; |
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253 } |
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254 } |
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255 else if (iRightsConstraints->FullRights()) |
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256 { |
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257 aStatus = ESVGTFull; |
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258 } |
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259 else |
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260 { |
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261 TTime time; |
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262 TTime startTime; |
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263 |
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264 time.HomeTime(); |
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265 TInt error = GetStartTime(startTime); |
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266 |
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267 // Check that usage time has already started |
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268 if (!error && time < startTime) |
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269 { |
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270 aStatus = ESVGTExpired; |
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271 } |
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272 else |
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273 { |
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274 aStatus = ESVGTRestricted; |
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275 } |
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276 } |
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277 } |
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278 else |
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279 { |
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280 aStatus = ESVGTMissing; |
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281 } |
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282 } |
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283 |
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284 // ----------------------------------------------------------------------------- |
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285 // CSVGTDrmHelper::GetExpireStatus |
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286 // ----------------------------------------------------------------------------- |
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287 // |
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288 void CSVGTDrmHelper::GetExpireStatus(TBool& aAboutToExpire, |
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289 TSVGTExpireConstraint& aConstraint, |
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290 TInt& aCountLeft, |
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291 TInt& aDaysLeft) |
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292 { |
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293 TSVGTRightsStatus status; |
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294 GetUsageRightsStatus(status); |
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295 |
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296 if (status == ESVGTRestricted) |
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297 { |
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298 TUint32 count = 0; |
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299 TInt countError = GetCount(count); |
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300 |
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301 TTime endTime; |
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302 TInt timeError = GetEndTime(endTime); |
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303 TTime currentTime; |
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304 currentTime.HomeTime(); |
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305 TInt diff = endTime.DaysFrom(currentTime).Int(); |
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306 |
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307 TTimeIntervalSeconds interval; |
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308 TInt intervalError = GetInterval(interval); |
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309 TInt intervalDiff = 0; |
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310 if (!intervalError) |
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311 { |
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312 TTime intervalStart; |
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313 TTimeIntervalSeconds secondsFromStart; |
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314 |
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315 if (!GetIntervalStart(intervalStart)) |
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316 { |
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317 // No error => interval has already started |
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318 currentTime.SecondsFrom(intervalStart, secondsFromStart); |
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319 intervalDiff = |
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320 (interval.Int() - secondsFromStart.Int()) / KSVGTSecondsInDay; |
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321 } |
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322 else |
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323 { |
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324 // Error occurred => interval not started yet |
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325 intervalDiff = interval.Int() / KSVGTSecondsInDay; |
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326 } |
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327 } |
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328 |
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329 if (!countError && count <= KSVGTCountConstraint && |
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330 ((!timeError && diff <= KSVGTTimeConstraint) || |
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331 (!intervalError && intervalDiff <= KSVGTTimeConstraint))) |
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332 { |
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333 // Count and time or interval contraints about to expire |
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334 aConstraint = ESVGTCountAndTime; |
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335 aCountLeft = count; |
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336 aAboutToExpire = ETrue; |
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337 |
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338 if (!timeError && !intervalError) |
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339 { |
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340 // Both constraints exist => use smaller one |
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341 aDaysLeft = Min(diff, intervalDiff); |
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342 } |
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343 else if (!timeError) |
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344 { |
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345 // Only time constraint exists => use it |
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346 aDaysLeft = diff; |
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347 } |
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348 else |
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349 { |
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350 // Only interval constraint exists => use it |
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351 aDaysLeft = intervalDiff; |
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352 } |
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353 } |
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354 else if (!countError && count <= KSVGTCountConstraint) |
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355 { |
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356 // Count constraint about to expire |
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357 aConstraint = ESVGTCount; |
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358 aCountLeft = count; |
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359 aAboutToExpire = ETrue; |
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360 } |
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361 else if ((!timeError && diff <= KSVGTTimeConstraint) || |
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362 (!intervalError && intervalDiff <= KSVGTTimeConstraint)) |
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363 { |
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364 // Time or interval constraint about to expire |
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365 aConstraint = ESVGTTime; |
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366 aAboutToExpire = ETrue; |
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367 |
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368 if (!timeError && !intervalError) |
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369 { |
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370 // Both constraints exist => use smaller one |
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371 aDaysLeft = Min(diff, intervalDiff); |
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372 } |
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373 else if (!timeError) |
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374 { |
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375 // Only time constraint exists => use it |
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376 aDaysLeft = diff; |
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377 } |
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378 else |
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379 { |
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380 // Only Interval constraint exists => use it |
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381 aDaysLeft = intervalDiff; |
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382 } |
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383 } |
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384 else |
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385 { |
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386 // No constraint about to expire |
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387 aAboutToExpire = EFalse; |
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388 aConstraint = ESVGTNone; |
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389 } |
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390 } |
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391 else |
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392 { |
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393 // Non-restricted object cannot expire |
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394 aAboutToExpire = EFalse; |
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395 } |
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396 } |
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397 |
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398 |
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399 // ----------------------------------------------------------------------------- |
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400 // CSVGTDrmHelper::SendingAllowed |
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401 // ----------------------------------------------------------------------------- |
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402 // |
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403 TBool CSVGTDrmHelper::SendingAllowed() const |
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404 { |
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405 return iSendingAllowed; |
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406 } |
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407 |
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408 // ----------------------------------------------------------------------------- |
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409 // CSVGTDrmHelper::GetCount |
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410 // ----------------------------------------------------------------------------- |
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411 // |
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412 TInt CSVGTDrmHelper::GetCount(TUint32& aCount) |
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413 { |
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414 TInt error = KErrNone; |
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415 |
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416 if (!iProtected) |
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417 { |
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418 error = KErrNotFound; |
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419 } |
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420 else if (iRightsConstraints) |
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421 { |
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422 TUint32 ignore; |
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423 TRAP(error, iRightsConstraints->GetCountersL(aCount, ignore)); |
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424 } |
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425 else |
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426 { |
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427 error = KErrNotReady; |
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428 } |
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429 |
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430 return error; |
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431 } |
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432 |
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433 // ----------------------------------------------------------------------------- |
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434 // CSVGTDrmHelper::GetStartTime |
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435 // ----------------------------------------------------------------------------- |
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436 // |
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437 TInt CSVGTDrmHelper::GetStartTime(TTime& aStartTime) |
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438 { |
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439 TInt error = KErrNone; |
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440 |
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441 if (!iProtected) |
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442 { |
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443 error = KErrNotFound; |
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444 } |
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445 else if (iRightsConstraints) |
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446 { |
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447 TRAP(error, iRightsConstraints->GetStartTimeL(aStartTime)); |
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448 } |
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449 else |
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450 { |
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451 error = KErrNotReady; |
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452 } |
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453 |
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454 return error; |
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455 } |
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456 |
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457 // ----------------------------------------------------------------------------- |
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458 // CSVGTDrmHelper::GetEndTime |
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459 // ----------------------------------------------------------------------------- |
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460 // |
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461 TInt CSVGTDrmHelper::GetEndTime(TTime& aEndTime) |
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462 { |
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463 TInt error = KErrNone; |
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464 |
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465 if (!iProtected) |
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466 { |
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467 error = KErrNotFound; |
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468 } |
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469 else if (iRightsConstraints) |
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470 { |
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471 TRAP(error, iRightsConstraints->GetEndTimeL(aEndTime)); |
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472 } |
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473 else |
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474 { |
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475 error = KErrNotReady; |
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476 } |
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477 |
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478 return error; |
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479 } |
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480 |
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481 // ----------------------------------------------------------------------------- |
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482 // CSVGTDrmHelper::GetInterval |
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483 // ----------------------------------------------------------------------------- |
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484 // |
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485 TInt CSVGTDrmHelper::GetInterval(TTimeIntervalSeconds& aInterval) |
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486 { |
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487 TInt error = KErrNone; |
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488 |
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489 if (!iProtected) |
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490 { |
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491 error = KErrNotFound; |
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492 } |
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493 else if (iRightsConstraints) |
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494 { |
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495 TRAP(error, iRightsConstraints->GetIntervalL(aInterval)); |
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496 } |
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497 else |
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498 { |
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499 error = KErrNotReady; |
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500 } |
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501 |
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502 return error; |
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503 } |
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504 |
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505 // ----------------------------------------------------------------------------- |
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506 // CSVGTDrmHelper::GetIntervalStart |
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507 // ----------------------------------------------------------------------------- |
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508 // |
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509 TInt CSVGTDrmHelper::GetIntervalStart(TTime& aStartTime) |
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510 { |
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511 TInt error = KErrNone; |
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512 |
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513 if (!iProtected) |
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514 { |
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515 error = KErrNotFound; |
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516 } |
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517 else if (iRightsConstraints) |
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518 { |
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519 TRAP(error, iRightsConstraints->GetIntervalStartL(aStartTime)); |
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520 } |
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521 else |
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522 { |
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523 error = KErrNotReady; |
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524 } |
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525 |
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526 return error; |
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527 } |
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528 |
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529 // ----------------------------------------------------------------------------- |
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530 // CSVGTDrmHelper::IsProtected |
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531 // ----------------------------------------------------------------------------- |
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532 // |
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533 TBool CSVGTDrmHelper::IsProtected() const |
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534 { |
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535 return iProtected; |
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536 } |
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537 |
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538 // ----------------------------------------------------------------------------- |
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539 // CSVGTDrmHelper::CanSetAutomated |
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540 // ----------------------------------------------------------------------------- |
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541 // |
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542 TBool CSVGTDrmHelper::CanSetAutomated() const |
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543 { |
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544 return iCanSetAutomated; |
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545 } |
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546 |
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547 // End of File |