1 /* |
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2 * Copyright (c) 2007-2009 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 KSIDLauncher = KIAUpdateLauncherUid; |
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40 // ============================ MEMBER FUNCTIONS =============================== |
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41 |
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42 // ----------------------------------------------------------------------------- |
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43 // CIAUpdateSession::CIAUpdateSession |
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44 // C++ default constructor can NOT contain any code, that |
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45 // might leave. |
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46 // ----------------------------------------------------------------------------- |
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47 // |
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48 CIAUpdateSession::CIAUpdateSession() |
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49 { |
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50 IAUPDATE_TRACE("[IAUPDATE] CIAUpdateSession::CIAUpdateSession()"); |
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51 iEikEnv = CEikonEnv::Static(); |
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52 } |
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53 |
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54 // ----------------------------------------------------------------------------- |
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55 // CIAUpdateSession::CIAUpdateSession |
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56 // C++ default constructor can NOT contain any code, that |
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57 // might leave. |
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58 // ----------------------------------------------------------------------------- |
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59 // |
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60 CIAUpdateSession::~CIAUpdateSession() |
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61 { |
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62 IAUPDATE_TRACE("[IAUPDATE] CIAUpdateSession::~CIAUpdateSession() begin"); |
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63 CIAUpdateAppUi* appUi = |
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64 static_cast<CIAUpdateAppUi*>( iEikEnv->EikAppUi() ); |
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65 if ( appUi ) |
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66 { |
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67 appUi->HandleObserverRemoval(); |
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68 } |
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69 delete iMessage; |
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70 IAUPDATE_TRACE("[IAUPDATE] CIAUpdateSession::~CIAUpdateSession() end"); |
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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 // CIAUpdateSession::ServiceL |
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76 // Handles the received message. |
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77 // (other items were commented in a header). |
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78 // ----------------------------------------------------------------------------- |
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79 // |
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80 void CIAUpdateSession::ServiceL( const RMessage2& aMessage ) |
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81 { |
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82 IAUPDATE_TRACE("[IAUPDATE] CIAUpdateSession::ServiceL() begin"); |
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83 // Dispatch the message in trap harness. |
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84 TRAPD( result, HandleRequestL( aMessage ) ); |
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85 // If HandleRequest Left, the message has to be completed |
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86 // here. Otherwise, the RequestCompleted callback will be called |
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87 // when the operations finishes |
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88 if ( result != KErrNone ) |
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89 { |
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90 IAUPDATE_TRACE_1("[IAUPDATE] HandleRequestL leave with error: %d", result ); |
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91 aMessage.Complete( result ); |
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92 } |
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93 IAUPDATE_TRACE("[IAUPDATE] CIAUpdateSession::ServiceL() end"); |
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94 } |
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95 |
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96 // ----------------------------------------------------------------------------- |
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97 // CIAUpdateSession::ServiceError |
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98 // Called back by the server framework if this sessions RunL function returns an |
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99 // error. |
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100 // (other items were commented in a header). |
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101 // ----------------------------------------------------------------------------- |
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102 // |
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103 void CIAUpdateSession::ServiceError( const RMessage2& aMessage, TInt aError ) |
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104 { |
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105 IAUPDATE_TRACE("[IAUPDATE] CIAUpdateSession::ServiceError() begin"); |
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106 IAUPDATE_TRACE_1("[IAUPDATE] error code: %d", aError ); |
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107 // A bad descriptor error implies a badly programmed client, so panic it; |
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108 // otherwise use the default handling (report the error to the client) |
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109 if ( aError == KErrBadDescriptor ) |
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110 { |
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111 //PanicClient( aMessage, ECIAUpdatePanicBadDescriptor ); |
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112 } |
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113 CAknAppServiceBase::ServiceError( aMessage, aError ); |
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114 IAUPDATE_TRACE("[IAUPDATE] CIAUpdateSession::ServiceError() end"); |
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115 } |
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116 |
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117 |
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118 // ----------------------------------------------------------------------------- |
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119 // CIAUpdateSession::CreateL |
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120 // Completes construction of this server-side client session object. |
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121 // (other items were commented in a header). |
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122 // ----------------------------------------------------------------------------- |
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123 // |
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124 void CIAUpdateSession::CreateL() |
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125 { |
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126 IAUPDATE_TRACE("[IAUPDATE] CIAUpdateSession::CreateL() begin"); |
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127 CAknAppServiceBase::CreateL(); |
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128 IAUPDATE_TRACE("[IAUPDATE] CIAUpdateSession::CreateL() end"); |
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129 } |
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130 |
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131 |
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132 // ----------------------------------------------------------------------------- |
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133 // CIAUpdateSession::RequestCompleted |
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134 // @see MIAUpdateRequestObserver::RequestCompleted |
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135 // ----------------------------------------------------------------------------- |
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136 // |
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137 void CIAUpdateSession::RequestCompleted( CIAUpdateResult* aResult, |
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138 TInt aCountOfAvailableUpdates, |
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139 TBool aUpdateNow, |
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140 TInt aError ) |
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141 { |
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142 IAUPDATE_TRACE("[IAUPDATE] CIAUpdateSession::RequestCompleted() begin"); |
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143 IAUPDATE_TRACE_1("[IAUPDATE] error code: %d", aError ); |
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144 |
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145 if ( !iMessage ) //be sure that there is still message to complete |
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146 { |
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147 IAUPDATE_TRACE("[IAUPDATE] No message to complete"); |
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148 IAUPDATE_TRACE("[IAUPDATE] CIAUpdateSession::RequestCompleted() end"); |
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149 return; |
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150 } |
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151 |
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152 IAUpdateClientDefines::TIAUpdateServerFunctions functionId = |
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153 static_cast<IAUpdateClientDefines::TIAUpdateServerFunctions>( iMessage->Function() ); |
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154 |
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155 TInt error( KErrNone ); |
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156 |
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157 switch( functionId ) |
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158 { |
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159 case IAUpdateClientDefines::EIAUpdateServerCheckUpdates: |
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160 { |
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161 TPckg<TInt> availableUpdates( aCountOfAvailableUpdates ); |
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162 TPtr8 ptr1( availableUpdates ); |
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163 TRAP( error, iMessage->WriteL( 1, ptr1 ) ); |
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164 break; |
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165 } |
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166 |
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167 case IAUpdateClientDefines:: EIAUpdateServerShowUpdateQuery: |
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168 { |
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169 TPckg<TInt> updateNow( aUpdateNow ); |
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170 TPtr8 ptr1( updateNow ); |
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171 TRAP( error, iMessage->WriteL( 1, ptr1 ) ); |
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172 break; |
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173 } |
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174 |
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175 case IAUpdateClientDefines::EIAUpdateServerShowUpdates: |
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176 { |
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177 TPckg<TInt> successCount( aResult->SuccessCount() ); |
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178 TPtr8 ptr1( successCount ); |
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179 |
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180 TPckg<TInt> failCount( aResult->FailCount() ); |
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181 TPtr8 ptr2( failCount ); |
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182 |
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183 TPckg<TInt> cancelCount( aResult->CancelCount() ); |
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184 TPtr8 ptr3( cancelCount ); |
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185 |
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186 TRAP( error, |
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187 iMessage->WriteL( 1, ptr1 ); |
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188 iMessage->WriteL( 2, ptr2 ); |
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189 iMessage->WriteL( 3, ptr3 ); ); |
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190 break; |
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191 } |
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192 case IAUpdateClientDefines::EIAUpdateServerStartedByLauncher: |
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193 break; |
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194 default: |
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195 // We should never come here. |
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196 break; |
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197 } |
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198 |
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199 if ( error == KErrNone ) |
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200 { |
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201 // Writing of the data in to the message went ok. |
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202 // So, nothing to inform about that. |
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203 // Insert possible error code of the update operation. |
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204 error = aError; |
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205 } |
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206 |
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207 delete aResult; |
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208 aResult = NULL; |
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209 |
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210 iMessage->Complete( error ); |
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211 delete iMessage; |
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212 iMessage = NULL; |
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213 |
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214 IAUPDATE_TRACE("[IAUPDATE] CIAUpdateSession::RequestCompleted() end"); |
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215 } |
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216 |
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217 |
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218 // ----------------------------------------------------------------------------- |
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219 // CIAUpdateSession::Server |
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220 // Returns reference to the server. |
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221 // (other items were commented in a header). |
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222 // ----------------------------------------------------------------------------- |
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223 // |
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224 CIAUpdateServer& CIAUpdateSession::Server() |
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225 { |
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226 IAUPDATE_TRACE("[IAUPDATE] CIAUpdateSession::Server()"); |
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227 return *static_cast<CIAUpdateServer*>( const_cast<CServer2*> |
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228 ( CSession2::Server() ) ); |
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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 // CIAUpdateSession::HandleRequestL |
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234 // Handles the request. |
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235 // (other items were commented in a header). |
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236 // ----------------------------------------------------------------------------- |
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237 // |
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238 void CIAUpdateSession::HandleRequestL( const RMessage2& aMessage ) |
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239 { |
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240 IAUPDATE_TRACE("[IAUPDATE] CIAUpdateSession::HandleRequestL() begin"); |
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241 |
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242 CIAUpdateAppUi* appUi = |
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243 static_cast<CIAUpdateAppUi*>( iEikEnv->EikAppUi() ); |
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244 // First value is the function number |
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245 IAUpdateClientDefines::TIAUpdateServerFunctions functionId = |
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246 static_cast<IAUpdateClientDefines::TIAUpdateServerFunctions>( aMessage.Function() ); |
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247 IAUPDATE_TRACE_1("[IAUPDATE] function id: %d", functionId ); |
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248 |
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249 if ( functionId == IAUpdateClientDefines::EIAUpdateServerCancel ) |
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250 { |
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251 appUi->PotentialCancel(); |
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252 if ( iMessage ) //complete possible ongoing request |
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253 { |
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254 iMessage->Complete( KErrCancel ); |
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255 delete iMessage; |
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256 iMessage = NULL; |
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257 } |
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258 // Because cancel is sent synchronously from the client side, |
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259 // aMessage is different than the iMessage for other operation |
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260 // that is currently going on asynchronously. |
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261 // So, RequestCompleted above closed that connection. |
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262 // Now, inform the caller of the cancel operation |
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263 // that cancellation was success. |
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264 aMessage.Complete( KErrNone ); |
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265 IAUPDATE_TRACE("[IAUPDATE] CIAUpdateSession::HandleRequestL() end"); |
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266 return; |
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267 } |
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268 |
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269 if ( functionId == IAUpdateClientDefines::EIAUpdateServerToForeground ) |
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270 { |
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271 appUi->HandleClientToForegroundL(); |
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272 aMessage.Complete( KErrNone ); |
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273 IAUPDATE_TRACE("[IAUPDATE] CIAUpdateSession::HandleRequestL() end"); |
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274 return; |
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275 } |
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276 |
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277 if ( functionId == IAUpdateClientDefines::EIAUpdateServerSendWgId ) |
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278 { |
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279 TPckgBuf<TInt> wgIdPkg( 0 ); |
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280 aMessage.ReadL( 0, wgIdPkg ); |
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281 TInt wgId = wgIdPkg(); |
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282 appUi->SetClientWgId( wgId ); |
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283 aMessage.Complete( KErrNone ); |
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284 IAUPDATE_TRACE("[IAUPDATE] CIAUpdateSession::HandleRequestL() end"); |
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285 return; |
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286 } |
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287 |
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288 |
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289 if ( iMessage ) |
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290 { |
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291 // This session is used in a wrong way because the |
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292 // old operation has not been completed before new one is |
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293 // started. |
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294 User::Leave( KErrInUse ); |
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295 } |
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296 |
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297 iMessage = new( ELeave ) RMessage2( aMessage ); |
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298 if ( functionId == IAUpdateClientDefines::EIAUpdateServerStartedByLauncher ) |
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299 { |
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300 TPckgBuf<TBool> refreshFromNetworkDeniedPkg( 0 ); |
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301 aMessage.ReadL( 0, refreshFromNetworkDeniedPkg ); |
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302 TBool refreshFromNetworkDenied = refreshFromNetworkDeniedPkg(); |
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303 appUi->StartedByLauncherL( *this, refreshFromNetworkDenied ); |
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304 } |
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305 else if ( functionId == IAUpdateClientDefines::EIAUpdateServerShowUpdateQuery ) |
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306 { |
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307 // Handle the update query dialog request |
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308 TUint id = aMessage.SecureId().iId; |
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309 appUi->ShowUpdateQueryRequestL( *this, id ); |
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310 } |
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311 else |
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312 { |
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313 // Handle update operation related requests. |
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314 HBufC8* data = NULL; |
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315 data = HBufC8::NewLC( aMessage.GetDesLength( 0 ) ); |
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316 TPtr8 ptr( data->Des() ); |
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317 aMessage.ReadL( 0, ptr ); |
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318 |
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319 CIAUpdateParameters* params( CIAUpdateParameters::NewLC() ); |
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320 IAUpdateTools::InternalizeParametersL( *params, *data ); |
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321 // Do not destroy, because ownership of params is transferred |
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322 // below. |
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323 CleanupStack::Pop( params ); |
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324 CleanupStack::PopAndDestroy( data ); |
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325 |
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326 if ( aMessage.SecureId() != KSIDBackgroundChecker ) |
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327 { |
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328 // other processes than backroundchecker are not allowed to cause refresh from network |
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329 params->SetRefresh( EFalse ); |
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330 } |
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331 switch( functionId ) |
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332 { |
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333 case IAUpdateClientDefines::EIAUpdateServerCheckUpdates: |
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334 appUi->CheckUpdatesRequestL( *this, params ); |
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335 break; |
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336 |
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337 case IAUpdateClientDefines::EIAUpdateServerShowUpdates: |
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338 appUi->ShowUpdatesRequestL( *this, params ); |
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339 break; |
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340 |
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341 default: |
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342 // We should never come here |
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343 delete params; |
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344 params = NULL; |
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345 break; |
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346 } |
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347 } |
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348 IAUPDATE_TRACE("[IAUPDATE] CIAUpdateSession::HandleRequestL() end"); |
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349 } |
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350 |
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351 |
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352 // ----------------------------------------------------------------------------- |
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353 // CIAUpdateSession::SecurityCheckL |
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354 // Virtual framework function that is called on receipt of a message from the |
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355 // client. This allows the service implementation to define a security policy |
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356 // for messages from the client. |
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357 // (other items were commented in a header). |
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358 // ----------------------------------------------------------------------------- |
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359 // |
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360 CPolicyServer::TCustomResult CIAUpdateSession::SecurityCheckL( const RMessage2& aMsg, |
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361 TInt& /*aAction*/, |
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362 TSecurityInfo& /*aMissing*/ ) |
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363 { |
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364 IAUPDATE_TRACE("[IAUPDATE] CIAUpdateSession::SecurityCheckL() begin"); |
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365 |
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366 CPolicyServer::TCustomResult result = CPolicyServer::EFail; |
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367 switch ( aMsg.Function() ) |
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368 { |
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369 case IAUpdateClientDefines::EIAUpdateServerStartedByLauncher: |
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370 if ( aMsg.SecureId() == KSIDLauncher ) |
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371 { |
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372 result = CPolicyServer::EPass; |
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373 } |
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374 break; |
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375 case IAUpdateClientDefines::EIAUpdateServerCheckUpdates: |
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376 case IAUpdateClientDefines::EIAUpdateServerShowUpdates: |
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377 // no capability check is needed because SID is checked later |
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378 // that means that only bacgkroundchecker is allowed to initiate network refresh |
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379 |
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380 case IAUpdateClientDefines::EIAUpdateServerShowUpdateQuery: |
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381 case IAUpdateClientDefines::EIAUpdateServerCancel: |
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382 case IAUpdateClientDefines::EIAUpdateServerToForeground: |
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383 case IAUpdateClientDefines::EIAUpdateServerSendWgId: |
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384 // No capabilities needed |
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385 result = CPolicyServer::EPass; |
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386 break; |
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387 |
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388 default: |
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389 // Not recognized message |
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390 result = CPolicyServer::EFail; |
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391 } |
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392 IAUPDATE_TRACE_1("[IAUPDATE] result: %d", result ); |
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393 IAUPDATE_TRACE("[IAUPDATE] CIAUpdateSession::SecurityCheckL() end"); |
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394 return result; |
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395 } |
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396 |
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397 |
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398 // End of File |
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