author | hgs |
Thu, 14 Oct 2010 13:56:11 +0300 | |
changeset 63 | 989397f9511c |
parent 0 | 164170e6151a |
permissions | -rw-r--r-- |
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// Copyright (c) 2001-2009 Nokia Corporation and/or its subsidiary(-ies). |
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// All rights reserved. |
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// This component and the accompanying materials are made available |
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// under the terms of "Eclipse Public License v1.0" |
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// which accompanies this distribution, and is available |
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// at the URL "http://www.eclipse.org/legal/epl-v10.html". |
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// |
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// Initial Contributors: |
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// Nokia Corporation - initial contribution. |
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// |
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// Contributors: |
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// |
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// Description: |
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// Implementation for OCSP Transaction object. |
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// |
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// |
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#include "transaction.h" |
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#include "requestencoder.h" |
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#include "responsedecoder.h" |
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#include "ocsp.h" |
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#include "panic.h" |
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#include <x509cert.h> |
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#include <x509certchain.h> |
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COCSPTransaction* COCSPTransaction::NewL(const TDesC8& aURI, |
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MOCSPTransport& aTransport, const TUint aRetryCount, const TInt aTimeout) |
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{ |
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COCSPTransaction* self = new (ELeave) COCSPTransaction(aTransport, aRetryCount, aTimeout); |
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CleanupStack::PushL(self); |
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self->ConstructL(aURI); |
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CleanupStack::Pop(self); |
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return self; |
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} |
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COCSPTransaction::COCSPTransaction(MOCSPTransport& aTransport, const TUint aRetryCount, const TInt aTimeout) : |
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CActive(EPriorityNormal), |
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iTransport(aTransport), |
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iRetryCount(aRetryCount), |
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iTimeout(aTimeout) |
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{ |
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CActiveScheduler::Add(this); |
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} |
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void COCSPTransaction::ConstructL(const TDesC8& aURI) |
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{ |
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iURI = aURI.AllocL(); |
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} |
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COCSPTransaction::~COCSPTransaction() |
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{ |
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Cancel(); |
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delete iURI; |
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delete iRequestEncoder; |
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delete iResponseDecoder; |
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} |
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// Create the request, then send it off |
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void COCSPTransaction::SendRequest(COCSPRequest& aRequest, TRequestStatus& aStatus) |
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{ |
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__ASSERT_ALWAYS(!iRequest, Panic(KErrInUse)); |
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iClientRequestStatus = &aStatus; |
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aStatus = KRequestPending; |
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iRequest = &aRequest; |
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iState = ESendRequest; |
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SetActive(); |
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TRequestStatus* status = &iStatus; |
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User::RequestComplete(status, KErrNone); |
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} |
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// Safe regardless of whether we have a request outstanding |
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void COCSPTransaction::CancelRequest() |
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{ |
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Cancel(); |
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} |
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COCSPResponse* COCSPTransaction::TakeResponse() |
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{ |
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__ASSERT_ALWAYS(iResponseDecoder, Panic(KErrNotReady)); |
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return iResponseDecoder->TakeResponse(); |
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} |
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void COCSPTransaction::CompleteClient(const TInt aStatus) |
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{ |
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User::RequestComplete(iClientRequestStatus, aStatus); |
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} |
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void COCSPTransaction::RunL() |
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{ |
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TInt err = iStatus.Int(); |
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switch (iState) |
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{ |
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case ESendRequest: |
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__ASSERT_ALWAYS(err == KErrNone, Panic(KErrCorrupt)); |
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iRequestEncoder = COCSPRequestEncoder::NewL(*iRequest); |
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iTransport.SendRequest(*iURI, iRequestEncoder->Encoding(), iTimeout, iStatus); |
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iState = EFinished; |
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108 |
SetActive(); |
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109 |
break; |
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110 |
|
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111 |
case EFinished: |
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112 |
{ |
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113 |
// Depending on the error retry the request |
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114 |
// Retry if |
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115 |
// - More attempts remaining AND |
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116 |
// - error is OCSP::KErrTransportTimeout OR |
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// - error is OCSP::KErrTransportFailure (HTTP response malformed) OR |
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118 |
// - invalid response received (OCSPReponse malformed) OR |
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// - OCSPResponseStatus is OCSP::EServerInternalError OR |
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120 |
// - OCSPResponseStatus is OCSP::ETryLater |
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121 |
// |
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122 |
// We won't retry if |
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123 |
// - error is OCSP::KErrInvalidURI OR |
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124 |
// - error is OCSP::KErrServerNotFound |
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125 |
|
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126 |
TBool retryNeeded = EFalse; |
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TInt errDecode = KErrNone; |
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if ((err == OCSP::KErrTransportTimeout) || (err == OCSP::KErrTransportFailure)) |
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129 |
{ |
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130 |
retryNeeded = ETrue; |
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131 |
} |
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else if (err == KErrNone) |
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133 |
{ |
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134 |
TRAP(errDecode, iResponseDecoder = COCSPResponseDecoder::NewL(iTransport.GetResponse())); |
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if ((errDecode == OCSP::EMalformedResponse) || |
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136 |
(errDecode == OCSP::EServerInternalError) || (errDecode == OCSP::ETryLater)) |
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137 |
{ |
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138 |
retryNeeded = ETrue; |
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139 |
} |
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140 |
} |
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141 |
|
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142 |
--iRetryCount; |
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143 |
if (retryNeeded && iRetryCount > 0) |
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144 |
{ |
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145 |
__ASSERT_ALWAYS(iResponseDecoder == NULL, Panic(KErrCorrupt)); |
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146 |
iTransport.SendRequest(*iURI, iRequestEncoder->Encoding(), iTimeout, iStatus); |
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147 |
SetActive(); |
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148 |
} |
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149 |
else |
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150 |
{ |
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151 |
// If retry is not needed and there was an error (including +ve) then pass it up else complete normally |
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152 |
if (err != KErrNone) |
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153 |
{ |
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154 |
User::Leave(err); |
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155 |
} |
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156 |
if (errDecode != KErrNone) |
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157 |
{ |
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158 |
User::Leave(errDecode); |
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159 |
} |
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160 |
CompleteClient(KErrNone); |
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161 |
} |
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162 |
} |
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163 |
break; |
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|
164 |
|
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165 |
default: |
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166 |
Panic(KErrCorrupt); |
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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 |
TInt COCSPTransaction::RunError(TInt aError) |
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172 |
{ |
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173 |
CompleteClient(aError); |
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174 |
return KErrNone; |
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175 |
} |
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176 |
|
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|
177 |
|
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178 |
void COCSPTransaction::DoCancel() |
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179 |
{ |
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180 |
iTransport.CancelRequest(); |
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181 |
if (iClientRequestStatus) |
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182 |
{ |
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183 |
CompleteClient(KErrCancel); |
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|
184 |
} |
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185 |
} |
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186 |