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1 /* |
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2 * Copyright (c) 2007-2010 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: This module contains the implementation of CIAUpdateSession class |
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15 * member functions. |
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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 |
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21 // INCLUDE FILES |
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22 #include <w32std.h> |
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23 #include <apgtask.h> |
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24 #include <iaupdateparameters.h> |
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25 #include <iaupdateresult.h> |
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26 |
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27 #include "iaupdatesession.h" |
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28 #include "iaupdateserver.h" |
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29 |
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30 // Parameters are transmitted from the client side to the server |
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31 #include "iaupdatetools.h" |
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32 #include "iaupdateclientdefines.h" |
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33 #include "iaupdateappui.h" |
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34 #include "iaupdatelauncheruids.h" |
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35 #include "iaupdatedebug.h" |
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36 |
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37 // CONSTANTS |
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38 const TSecureId KSIDBackgroundChecker = 0x200211f4; |
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39 const TSecureId KSIDCwrtWidget = 0x200267C0; |
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40 const TSecureId KSIDLauncher = KIAUpdateLauncherUid; |
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41 // ============================ MEMBER FUNCTIONS =============================== |
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42 |
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43 // ----------------------------------------------------------------------------- |
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44 // CIAUpdateSession::CIAUpdateSession |
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45 // C++ default constructor can NOT contain any code, that |
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46 // might leave. |
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47 // ----------------------------------------------------------------------------- |
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48 // |
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49 CIAUpdateSession::CIAUpdateSession() |
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50 { |
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51 IAUPDATE_TRACE("[IAUPDATE] CIAUpdateSession::CIAUpdateSession()"); |
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52 iEikEnv = CEikonEnv::Static(); |
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53 } |
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54 |
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55 // ----------------------------------------------------------------------------- |
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56 // CIAUpdateSession::CIAUpdateSession |
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57 // C++ default constructor can NOT contain any code, that |
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58 // might leave. |
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59 // ----------------------------------------------------------------------------- |
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60 // |
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61 CIAUpdateSession::~CIAUpdateSession() |
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62 { |
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63 IAUPDATE_TRACE("[IAUPDATE] CIAUpdateSession::~CIAUpdateSession() begin"); |
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64 CIAUpdateAppUi* appUi = |
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65 static_cast<CIAUpdateAppUi*>( iEikEnv->EikAppUi() ); |
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66 if ( appUi ) |
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67 { |
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68 appUi->HandleObserverRemoval(); |
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69 } |
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70 delete iMessage; |
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71 IAUPDATE_TRACE("[IAUPDATE] CIAUpdateSession::~CIAUpdateSession() end"); |
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72 } |
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73 |
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74 |
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75 // ----------------------------------------------------------------------------- |
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76 // CIAUpdateSession::ServiceL |
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77 // Handles the received message. |
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78 // (other items were commented in a header). |
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79 // ----------------------------------------------------------------------------- |
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80 // |
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81 void CIAUpdateSession::ServiceL( const RMessage2& aMessage ) |
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82 { |
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83 IAUPDATE_TRACE("[IAUPDATE] CIAUpdateSession::ServiceL() begin"); |
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84 // Dispatch the message in trap harness. |
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85 TRAPD( result, HandleRequestL( aMessage ) ); |
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86 // If HandleRequest Left, the message has to be completed |
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87 // here. Otherwise, the RequestCompleted callback will be called |
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88 // when the operations finishes |
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89 if ( result != KErrNone ) |
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90 { |
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91 IAUPDATE_TRACE_1("[IAUPDATE] HandleRequestL leave with error: %d", result ); |
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92 aMessage.Complete( result ); |
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93 } |
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94 IAUPDATE_TRACE("[IAUPDATE] CIAUpdateSession::ServiceL() end"); |
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95 } |
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96 |
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97 // ----------------------------------------------------------------------------- |
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98 // CIAUpdateSession::ServiceError |
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99 // Called back by the server framework if this sessions RunL function returns an |
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100 // error. |
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101 // (other items were commented in a header). |
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102 // ----------------------------------------------------------------------------- |
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103 // |
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104 void CIAUpdateSession::ServiceError( const RMessage2& aMessage, TInt aError ) |
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105 { |
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106 IAUPDATE_TRACE("[IAUPDATE] CIAUpdateSession::ServiceError() begin"); |
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107 IAUPDATE_TRACE_1("[IAUPDATE] error code: %d", aError ); |
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108 // A bad descriptor error implies a badly programmed client, so panic it; |
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109 // otherwise use the default handling (report the error to the client) |
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110 if ( aError == KErrBadDescriptor ) |
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111 { |
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112 //PanicClient( aMessage, ECIAUpdatePanicBadDescriptor ); |
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113 } |
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114 CAknAppServiceBase::ServiceError( aMessage, aError ); |
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115 IAUPDATE_TRACE("[IAUPDATE] CIAUpdateSession::ServiceError() end"); |
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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 // CIAUpdateSession::CreateL |
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121 // Completes construction of this server-side client session object. |
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122 // (other items were commented in a header). |
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123 // ----------------------------------------------------------------------------- |
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124 // |
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125 void CIAUpdateSession::CreateL() |
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126 { |
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127 IAUPDATE_TRACE("[IAUPDATE] CIAUpdateSession::CreateL() begin"); |
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128 CAknAppServiceBase::CreateL(); |
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129 IAUPDATE_TRACE("[IAUPDATE] CIAUpdateSession::CreateL() end"); |
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130 } |
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131 |
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132 |
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133 // ----------------------------------------------------------------------------- |
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134 // CIAUpdateSession::RequestCompleted |
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135 // @see MIAUpdateRequestObserver::RequestCompleted |
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136 // ----------------------------------------------------------------------------- |
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137 // |
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138 void CIAUpdateSession::RequestCompleted( CIAUpdateResult* aResult, |
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139 TInt aCountOfAvailableUpdates, |
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140 TBool aUpdateNow, |
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141 TInt aError ) |
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142 { |
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143 IAUPDATE_TRACE("[IAUPDATE] CIAUpdateSession::RequestCompleted() begin"); |
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144 IAUPDATE_TRACE_1("[IAUPDATE] error code: %d", aError ); |
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145 |
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146 if ( !iMessage ) //be sure that there is still message to complete |
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147 { |
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148 IAUPDATE_TRACE("[IAUPDATE] No message to complete"); |
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149 IAUPDATE_TRACE("[IAUPDATE] CIAUpdateSession::RequestCompleted() end"); |
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150 return; |
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151 } |
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152 |
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153 IAUpdateClientDefines::TIAUpdateServerFunctions functionId = |
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154 static_cast<IAUpdateClientDefines::TIAUpdateServerFunctions>( iMessage->Function() ); |
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155 |
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156 TInt error( KErrNone ); |
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157 |
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158 switch( functionId ) |
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159 { |
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160 case IAUpdateClientDefines::EIAUpdateServerCheckUpdates: |
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161 { |
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162 TPckg<TInt> availableUpdates( aCountOfAvailableUpdates ); |
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163 TPtr8 ptr1( availableUpdates ); |
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164 TRAP( error, iMessage->WriteL( 1, ptr1 ) ); |
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165 break; |
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166 } |
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167 |
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168 case IAUpdateClientDefines:: EIAUpdateServerShowUpdateQuery: |
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169 { |
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170 TPckg<TInt> updateNow( aUpdateNow ); |
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171 TPtr8 ptr1( updateNow ); |
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172 TRAP( error, iMessage->WriteL( 1, ptr1 ) ); |
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173 break; |
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174 } |
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175 |
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176 case IAUpdateClientDefines::EIAUpdateServerShowUpdates: |
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177 { |
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178 TPckg<TInt> successCount( aResult->SuccessCount() ); |
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179 TPtr8 ptr1( successCount ); |
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180 |
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181 TPckg<TInt> failCount( aResult->FailCount() ); |
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182 TPtr8 ptr2( failCount ); |
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183 |
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184 TPckg<TInt> cancelCount( aResult->CancelCount() ); |
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185 TPtr8 ptr3( cancelCount ); |
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186 |
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187 TRAP( error, |
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188 iMessage->WriteL( 1, ptr1 ); |
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189 iMessage->WriteL( 2, ptr2 ); |
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190 iMessage->WriteL( 3, ptr3 ); ); |
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191 break; |
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192 } |
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193 case IAUpdateClientDefines::EIAUpdateServerStartedByLauncher: |
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194 break; |
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195 default: |
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196 // We should never come here. |
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197 break; |
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198 } |
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199 |
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200 if ( error == KErrNone ) |
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201 { |
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202 // Writing of the data in to the message went ok. |
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203 // So, nothing to inform about that. |
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204 // Insert possible error code of the update operation. |
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205 error = aError; |
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206 } |
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207 |
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208 delete aResult; |
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209 aResult = NULL; |
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210 |
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211 iMessage->Complete( error ); |
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212 delete iMessage; |
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213 iMessage = NULL; |
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214 |
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215 IAUPDATE_TRACE("[IAUPDATE] CIAUpdateSession::RequestCompleted() end"); |
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216 } |
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217 |
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218 |
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219 // ----------------------------------------------------------------------------- |
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220 // CIAUpdateSession::Server |
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221 // Returns reference to the server. |
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222 // (other items were commented in a header). |
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223 // ----------------------------------------------------------------------------- |
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224 // |
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225 CIAUpdateServer& CIAUpdateSession::Server() |
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226 { |
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227 IAUPDATE_TRACE("[IAUPDATE] CIAUpdateSession::Server()"); |
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228 return *static_cast<CIAUpdateServer*>( const_cast<CServer2*> |
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229 ( CSession2::Server() ) ); |
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230 } |
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231 |
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232 |
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233 // ----------------------------------------------------------------------------- |
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234 // CIAUpdateSession::HandleRequestL |
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235 // Handles the request. |
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236 // (other items were commented in a header). |
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237 // ----------------------------------------------------------------------------- |
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238 // |
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239 void CIAUpdateSession::HandleRequestL( const RMessage2& aMessage ) |
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240 { |
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241 IAUPDATE_TRACE("[IAUPDATE] CIAUpdateSession::HandleRequestL() begin"); |
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242 |
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243 CIAUpdateAppUi* appUi = |
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244 static_cast<CIAUpdateAppUi*>( iEikEnv->EikAppUi() ); |
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245 // First value is the function number |
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246 IAUpdateClientDefines::TIAUpdateServerFunctions functionId = |
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247 static_cast<IAUpdateClientDefines::TIAUpdateServerFunctions>( aMessage.Function() ); |
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248 IAUPDATE_TRACE_1("[IAUPDATE] function id: %d", functionId ); |
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249 |
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250 if ( functionId == IAUpdateClientDefines::EIAUpdateServerCancel ) |
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251 { |
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252 appUi->PotentialCancel(); |
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253 if ( iMessage ) //complete possible ongoing request |
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254 { |
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255 iMessage->Complete( KErrCancel ); |
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256 delete iMessage; |
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257 iMessage = NULL; |
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258 } |
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259 // Because cancel is sent synchronously from the client side, |
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260 // aMessage is different than the iMessage for other operation |
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261 // that is currently going on asynchronously. |
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262 // So, RequestCompleted above closed that connection. |
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263 // Now, inform the caller of the cancel operation |
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264 // that cancellation was success. |
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265 aMessage.Complete( KErrNone ); |
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266 IAUPDATE_TRACE("[IAUPDATE] CIAUpdateSession::HandleRequestL() end"); |
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267 return; |
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268 } |
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269 |
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270 if ( functionId == IAUpdateClientDefines::EIAUpdateServerToForeground ) |
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271 { |
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272 appUi->HandleClientToForegroundL(); |
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273 aMessage.Complete( KErrNone ); |
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274 IAUPDATE_TRACE("[IAUPDATE] CIAUpdateSession::HandleRequestL() end"); |
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275 return; |
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276 } |
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277 |
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278 if ( functionId == IAUpdateClientDefines::EIAUpdateServerSendWgId ) |
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279 { |
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280 TPckgBuf<TInt> wgIdPkg( 0 ); |
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281 aMessage.ReadL( 0, wgIdPkg ); |
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282 TInt wgId = wgIdPkg(); |
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283 appUi->SetClientWgId( wgId ); |
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284 aMessage.Complete( KErrNone ); |
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285 IAUPDATE_TRACE("[IAUPDATE] CIAUpdateSession::HandleRequestL() end"); |
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286 return; |
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287 } |
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288 |
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289 |
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290 if ( iMessage ) |
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291 { |
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292 // This session is used in a wrong way because the |
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293 // old operation has not been completed before new one is |
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294 // started. |
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295 User::Leave( KErrInUse ); |
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296 } |
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297 |
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298 iMessage = new( ELeave ) RMessage2( aMessage ); |
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299 if ( functionId == IAUpdateClientDefines::EIAUpdateServerStartedByLauncher ) |
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300 { |
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301 TPckgBuf<TBool> refreshFromNetworkDeniedPkg( 0 ); |
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302 aMessage.ReadL( 0, refreshFromNetworkDeniedPkg ); |
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303 TBool refreshFromNetworkDenied = refreshFromNetworkDeniedPkg(); |
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304 appUi->StartedByLauncherL( *this, refreshFromNetworkDenied ); |
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305 } |
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306 else if ( functionId == IAUpdateClientDefines::EIAUpdateServerShowUpdateQuery ) |
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307 { |
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308 // Handle the update query dialog request |
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309 TUint id = aMessage.SecureId().iId; |
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310 appUi->ShowUpdateQueryRequestL( *this, id ); |
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311 } |
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312 else |
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313 { |
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314 // Handle update operation related requests. |
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315 HBufC8* data = NULL; |
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316 data = HBufC8::NewLC( aMessage.GetDesLength( 0 ) ); |
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317 TPtr8 ptr( data->Des() ); |
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318 aMessage.ReadL( 0, ptr ); |
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319 |
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320 CIAUpdateParameters* params( CIAUpdateParameters::NewLC() ); |
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321 IAUpdateTools::InternalizeParametersL( *params, *data ); |
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322 // Do not destroy, because ownership of params is transferred |
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323 // below. |
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324 CleanupStack::Pop( params ); |
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325 CleanupStack::PopAndDestroy( data ); |
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326 |
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327 if ( ( aMessage.SecureId() != KSIDBackgroundChecker ) && ( aMessage.SecureId() != KSIDCwrtWidget ) ) |
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328 { |
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329 // other processes than backroundchecker are not allowed to cause refresh from network |
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330 params->SetRefresh( EFalse ); |
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331 } |
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332 switch( functionId ) |
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333 { |
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334 case IAUpdateClientDefines::EIAUpdateServerCheckUpdates: |
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335 appUi->CheckUpdatesRequestL( *this, params, params->Refresh() && aMessage.SecureId() == KSIDCwrtWidget ); |
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336 break; |
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337 |
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338 case IAUpdateClientDefines::EIAUpdateServerShowUpdates: |
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339 appUi->ShowUpdatesRequestL( *this, params ); |
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340 break; |
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341 |
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342 default: |
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343 // We should never come here |
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344 delete params; |
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345 params = NULL; |
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346 break; |
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347 } |
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348 } |
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349 IAUPDATE_TRACE("[IAUPDATE] CIAUpdateSession::HandleRequestL() end"); |
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350 } |
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351 |
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352 |
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353 // ----------------------------------------------------------------------------- |
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354 // CIAUpdateSession::SecurityCheckL |
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355 // Virtual framework function that is called on receipt of a message from the |
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356 // client. This allows the service implementation to define a security policy |
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357 // for messages from the client. |
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358 // (other items were commented in a header). |
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359 // ----------------------------------------------------------------------------- |
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360 // |
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361 CPolicyServer::TCustomResult CIAUpdateSession::SecurityCheckL( const RMessage2& aMsg, |
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362 TInt& /*aAction*/, |
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363 TSecurityInfo& /*aMissing*/ ) |
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364 { |
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365 IAUPDATE_TRACE("[IAUPDATE] CIAUpdateSession::SecurityCheckL() begin"); |
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366 |
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367 CPolicyServer::TCustomResult result = CPolicyServer::EFail; |
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368 switch ( aMsg.Function() ) |
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369 { |
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370 case IAUpdateClientDefines::EIAUpdateServerStartedByLauncher: |
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371 if ( aMsg.SecureId() == KSIDLauncher ) |
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372 { |
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373 result = CPolicyServer::EPass; |
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374 } |
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375 break; |
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376 case IAUpdateClientDefines::EIAUpdateServerCheckUpdates: |
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377 case IAUpdateClientDefines::EIAUpdateServerShowUpdates: |
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378 // no capability check is needed because SID is checked later |
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379 // that means that only bacgkroundchecker is allowed to initiate network refresh |
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380 |
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381 case IAUpdateClientDefines::EIAUpdateServerShowUpdateQuery: |
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382 case IAUpdateClientDefines::EIAUpdateServerCancel: |
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383 case IAUpdateClientDefines::EIAUpdateServerToForeground: |
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384 case IAUpdateClientDefines::EIAUpdateServerSendWgId: |
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385 // No capabilities needed |
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386 result = CPolicyServer::EPass; |
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387 break; |
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388 |
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389 default: |
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390 // Not recognized message |
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391 result = CPolicyServer::EFail; |
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392 } |
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393 IAUPDATE_TRACE_1("[IAUPDATE] result: %d", result ); |
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394 IAUPDATE_TRACE("[IAUPDATE] CIAUpdateSession::SecurityCheckL() end"); |
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395 return result; |
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396 } |
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397 |
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398 |
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399 // End of File |