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1 /** @file |
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2 * Copyright (c) 2005-2006 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: Declares HttpServer class. |
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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 // INCLUDE FILES |
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20 #include <libc/limits.h> |
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21 #include "upnphttpbuffer.h" |
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22 #include "upnphttpserver.h" |
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23 #include "upnpcons.h" |
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24 #include "upnphttpsession.h" |
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25 #include "upnphttpfileaccess.h" |
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26 #include "upnphttpfiletransferreader.h" |
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27 #include "upnphttpchunkparser.h" |
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28 #define KLogFile _L("DLNAWebServer.txt") |
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29 #include "upnpcustomlog.h" |
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30 #include "upnpcons.h" |
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31 #include "httperr.h" |
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32 // CONSTANTS |
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33 |
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34 const TInt KMaxBufferLength = 10240; |
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35 |
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36 // ============================ MEMBER FUNCTIONS =============================== |
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37 |
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38 // ----------------------------------------------------------------------------- |
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39 // CUpnpHttpBuffer::NewL |
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40 // Two-phased constructor |
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41 // ----------------------------------------------------------------------------- |
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42 // |
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43 CUpnpHttpBuffer* CUpnpHttpBuffer::NewL( CUpnpHttpSession* aSession, TBool aToBeSavedInFile ) |
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44 { |
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45 LOGS("CUpnpHttpBuffer::NewL(CUpnpHttpSession*, TBool)"); |
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46 CUpnpHttpBuffer* self = new (ELeave) CUpnpHttpBuffer( aSession, aToBeSavedInFile ); |
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47 CleanupStack::PushL( self ); |
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48 self->ConstructL(); |
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49 CleanupStack::Pop( self ); |
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50 |
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51 return self; |
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52 } |
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53 |
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54 // ----------------------------------------------------------------------------- |
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55 // CUpnpHttpBuffer::~CUpnpHttpBuffer |
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56 // C++ default destructor |
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57 // ----------------------------------------------------------------------------- |
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58 // |
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59 CUpnpHttpBuffer::~CUpnpHttpBuffer() |
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60 { |
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61 LOGS("CUpnpHttpBuffer::~CUpnpHttpBuffer()"); |
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62 |
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63 iBuffer.Close(); |
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64 delete iChunkParser; |
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65 } |
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66 |
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67 // ----------------------------------------------------------------------------- |
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68 // CUpnpHttpBuffer::CUpnpHttpBuffer |
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69 // C++ default constructor |
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70 // ----------------------------------------------------------------------------- |
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71 // |
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72 CUpnpHttpBuffer::CUpnpHttpBuffer( CUpnpHttpSession* aSession, TBool aToBeSavedInFile ) |
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73 { |
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74 iContentLength = -1; |
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75 iSession = aSession; |
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76 iToFile = aToBeSavedInFile; |
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77 iContentLengthCounter = 0; |
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78 iErrorCodeCheckedForSaving = EFalse; |
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79 iOkToSaveToFile = EFalse; |
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80 iFileReadBufferSize = aSession->HttpServer()->FileReadBufferSize(); |
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81 } |
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82 |
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83 // ----------------------------------------------------------------------------- |
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84 // CUpnpHttpBuffer::ConstructL |
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85 // Two-phased constructor |
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86 // ----------------------------------------------------------------------------- |
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87 // |
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88 void CUpnpHttpBuffer::ConstructL() |
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89 { |
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90 iBuffer.Create( 0 ); |
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91 iChunkParser = CUpnpHttpChunkParser::NewL(); |
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92 } |
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93 |
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94 // ----------------------------------------------------------------------------- |
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95 // CUpnpHttpBuffer::AppendHeadersL |
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96 // |
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97 // ----------------------------------------------------------------------------- |
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98 // |
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99 TInt CUpnpHttpBuffer::AppendHeadersL( TDesC8& aBuffer, TBool aToBeSavedInFile ) |
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100 { |
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101 TInt PosOfDoubleLineFeed ( KErrNotFound ); |
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102 |
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103 LOGS("CUpnpHttpBuffer::AppendL(TDesC8&)"); |
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104 |
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105 if ( !IsHeaderReady() ) |
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106 { |
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107 iToFile = aToBeSavedInFile; |
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108 // header not yet ready. Checking if it gets ready with this received buffer |
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109 PosOfDoubleLineFeed = aBuffer.FindF( UpnpString::KDoubleLineFeed ); |
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110 |
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111 //trying to find double linefeed by spliiitng line |
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112 |
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113 if (iBuffer.Length() > 0) |
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114 { |
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115 if( !iBuffer.Right(UpnpString::KLineFeedLength).CompareF( UpnpString::KLineFeed) |
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116 && !aBuffer.FindF(UpnpString::KLineFeed) ) |
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117 { |
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118 PosOfDoubleLineFeed = iBuffer.Length() - UpnpString::KLineFeedLength; |
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119 } |
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120 else if (!iBuffer.Right(UpnpString::KCRLength).CompareF(UpnpString::KCR) |
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121 && !aBuffer.FindF(UpnpString::KLFCRLF)) |
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122 { |
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123 PosOfDoubleLineFeed = iBuffer.Length() - UpnpString::KCRLength; |
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124 } |
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125 else if (!iBuffer.Right(UpnpString::KCRLFCRLength).CompareF(UpnpString::KCRLFCR) |
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126 && !aBuffer.FindF(UpnpString::KLinefeed)) |
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127 { |
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128 PosOfDoubleLineFeed = iBuffer.Length() - UpnpString::KCRLFCRLength; |
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129 } |
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130 //if double linefeed there are not found by splitting line |
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131 //may be it (all double linefeed) is in ne line |
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132 else if ( PosOfDoubleLineFeed != KErrNotFound ) |
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133 { |
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134 PosOfDoubleLineFeed += iBuffer.Length(); |
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135 } |
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136 } |
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137 |
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138 if ( PosOfDoubleLineFeed == KErrNotFound ) |
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139 { |
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140 // double linefeed not found, so only adding unfinished headers to |
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141 // iBuffer |
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142 |
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143 if (iBuffer.Length() <= KMaxBufferLength ) //10kb |
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144 { |
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145 iBuffer.ReAllocL( iBuffer.Length() + aBuffer.Length() ); |
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146 iBuffer.Append( aBuffer ); |
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147 } |
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148 |
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149 } |
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150 else |
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151 { |
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152 // Double linefeed found. Appending headers and then checking if |
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153 // response is OK. |
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154 TInt afterDoubleLineFeed = PosOfDoubleLineFeed + UpnpString::KDoubleLineFeedLength - iBuffer.Length(); |
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155 iBuffer.ReAllocL(PosOfDoubleLineFeed + UpnpString::KDoubleLineFeedLength); |
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156 iBuffer.Append( aBuffer.Left(afterDoubleLineFeed)); |
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157 |
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158 // is headers checked |
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159 if( !iErrorCodeCheckedForSaving ) |
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160 { |
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161 TInt messageError = MessageErrorCode( iBuffer ); |
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162 TPtrC8 method = Method(); |
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163 TPtrC8 target = Target(); |
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164 |
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165 if(method == KHttpPost ) |
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166 { |
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167 messageError = EHttpOk; |
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168 } |
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169 |
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170 _LIT8( KControl, "/control"); |
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171 |
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172 if( method.FindC( KHttpPost() ) == 0 && |
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173 method.Length() == KHttpPost().Length() |
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174 ) |
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175 { |
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176 TInt lastSlash = target.LocateReverse('/'); |
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177 if( lastSlash > KErrNotFound ) |
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178 { |
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179 target.Set( target.Mid( lastSlash ) ); |
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180 } |
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181 } |
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182 |
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183 if ( messageError == EHttpOk || messageError == EHttpPartialContent ) |
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184 { |
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185 iOkToSaveToFile = ETrue; |
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186 } |
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187 |
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188 // if EXPORTING, then saving to file |
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189 else if( method.FindC( KHttpPost() ) == 0 && |
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190 method.Length() == KHttpPost().Length() && |
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191 target.FindC( KControl ) != 0 ) |
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192 { |
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193 iOkToSaveToFile = ETrue; |
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194 } |
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195 else |
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196 { |
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197 iOkToSaveToFile = EFalse; |
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198 CUpnpHttpFileAccess* temp = iSession->FileAccess(); |
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199 // Delete only downloaded file if it is not complete. |
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200 if( temp && temp->Download() ) |
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201 { |
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202 temp->DeleteFile(); |
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203 // no delete, not owned |
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204 temp = NULL; |
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205 } |
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206 } |
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207 // error code checked, no need to check it again. |
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208 iErrorCodeCheckedForSaving = ETrue; |
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209 } |
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210 |
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211 return afterDoubleLineFeed; |
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212 } |
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213 } |
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214 |
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215 return PosOfDoubleLineFeed; |
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216 } |
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217 |
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218 // ----------------------------------------------------------------------------- |
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219 // CUpnpHttpBuffer::AppendL |
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220 // This function appends the aBuffer data at the end of this HTTPBuffer. |
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221 // ----------------------------------------------------------------------------- |
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222 // |
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223 TInt CUpnpHttpBuffer::AppendL( TDesC8& aBuffer, TBool aToBeSavedInFile) |
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224 { |
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225 TInt retVal ( KErrNone ); |
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226 |
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227 LOGS("CUpnpHttpBuffer::AppendL(TDesC8&)"); |
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228 |
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229 if ( !IsHeaderReady() ) |
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230 { |
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231 TInt PosOfDoubleLineFeed = AppendHeadersL( aBuffer, aToBeSavedInFile ); |
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232 |
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233 if ( PosOfDoubleLineFeed > KErrNotFound ) |
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234 { |
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235 TInt afterDoubleLineFeed = PosOfDoubleLineFeed + UpnpString::KDoubleLineFeedLength - iBuffer.Length(); |
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236 TPtrC8 AppendPointer( aBuffer.Right( aBuffer.Length() - PosOfDoubleLineFeed ) ); |
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237 //for file upload, data copied to the file transfer reader |
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238 if(iToFile && iOkToSaveToFile |
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239 && iSession->FileTransferReader() && iSession->FileTransferReader()->Activated()) |
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240 { |
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241 if(AppendPointer.Length() > 0) |
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242 iSession->FileTransferReader()->AppendL(AppendPointer); |
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243 } |
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244 else if ( IsChunked() ) |
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245 { |
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246 iPos = iBuffer.Length(); |
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247 retVal = ParseL( AppendPointer ); |
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248 } |
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249 else |
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250 { |
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251 iBuffer.ReAllocL( iBuffer.Length() + aBuffer.Length() ); |
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252 iBuffer.Append( AppendPointer ); |
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253 } |
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254 } |
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255 } |
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256 else |
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257 { |
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258 if( !iErrorCodeCheckedForSaving ) |
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259 { |
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260 TInt messageError = MessageErrorCode( iBuffer ); |
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261 if ( messageError == EHttpOk || messageError == EHttpPartialContent ) |
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262 { |
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263 iOkToSaveToFile = ETrue; |
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264 } |
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265 else |
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266 { |
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267 iOkToSaveToFile = EFalse; |
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268 CUpnpHttpFileAccess* temp = iSession->FileAccess(); |
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269 if( temp ) |
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270 { |
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271 temp->DeleteFile(); |
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272 // no delete, not owned |
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273 temp = NULL; |
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274 } |
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275 } |
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276 // error code checked, no need to check it again. |
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277 iErrorCodeCheckedForSaving = ETrue; |
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278 } |
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279 |
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280 //for file upload, data copied to the file transfer reader |
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281 if(iToFile && iOkToSaveToFile && |
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282 iSession->FileTransferReader() && iSession->FileTransferReader()->Activated()) |
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283 { |
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284 if(aBuffer.Length() > 0) |
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285 iSession->FileTransferReader()->AppendL(aBuffer); |
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286 return retVal; |
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287 } |
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288 |
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289 if ( IsChunked() ) |
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290 { |
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291 retVal = ParseL( aBuffer ); |
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292 } |
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293 else |
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294 { |
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295 iBuffer.ReAllocL( iBuffer.Length() + aBuffer.Length() ); |
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296 iBuffer.Append( aBuffer ); |
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297 } |
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298 } |
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299 return retVal; |
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300 } |
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301 |
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302 // ----------------------------------------------------------------------------- |
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303 // CUpnpHttpBuffer::ParseL |
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304 // Decodes chunked messages. |
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305 // ----------------------------------------------------------------------------- |
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306 // |
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307 TInt CUpnpHttpBuffer::ParseL( TDesC8& aBuffer ) |
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308 { |
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309 iBuffer.ReAllocL( iBuffer.Length() + aBuffer.Length() ); |
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310 iBuffer.Append( aBuffer ); |
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311 return Parse( iBuffer, iPos ) < 0 ? KErrHttpUnknownParseState: KErrNone; |
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312 } |
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313 |
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314 // ----------------------------------------------------------------------------- |
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315 // CUpnpHttpBuffer::Parse |
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316 // Decodes chunked-encoded buffer |
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317 // ----------------------------------------------------------------------------- |
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318 // |
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319 TInt CUpnpHttpBuffer::Parse(TDes8& aBuffer, TInt& aPos) |
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320 { |
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321 if( aPos >= aBuffer.Length() ) |
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322 { |
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323 iChunkParser->Reset(); |
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324 return KErrNone; |
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325 } |
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326 return iChunkParser->Parse( aBuffer, aPos ); |
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327 } |
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328 |
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329 // ----------------------------------------------------------------------------- |
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330 // CUpnpHttpBuffer::IsReady |
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331 // Returns ETrue, if buffer is ready to be converted to HTTPMessage |
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332 // else returns EFalse. |
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333 // ----------------------------------------------------------------------------- |
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334 // |
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335 TBool CUpnpHttpBuffer::IsReadyL() |
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336 { |
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337 LOGS("CUpnpHttpBuffer::IsReady()"); |
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338 if ( IsHeaderReady() ) |
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339 { |
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340 //Assuming here that HTTP GET -requests may not have a body. |
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341 //So if a HTTP GET request arrives and it has a CONTENT-TYPE or a |
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342 //CONTENT-LENGHT header we may still serve the file |
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343 TPtrC8 method = Method(); |
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344 if ( method.FindC( KHttpGet() ) == 0 ) |
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345 { |
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346 return ETrue; |
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347 } |
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348 if ( HasBody() ) |
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349 { |
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350 return IsBodyReadyL(); |
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351 } |
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352 else |
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353 { |
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354 return ETrue; |
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355 } |
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356 } |
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357 return EFalse; |
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358 } |
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359 |
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360 // ----------------------------------------------------------------------------- |
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361 // CUpnpHttpBuffer::IsHeaderReady |
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362 // Returns ETrue, if header part of HTTPMessage is ready, else returns EFalse. |
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363 // ----------------------------------------------------------------------------- |
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364 // |
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365 TBool CUpnpHttpBuffer::IsHeaderReady() |
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366 { |
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367 LOGS("CUpnpHttpBuffer::IsHeaderReady()"); |
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368 if ( iBuffer.Find( UpnpString::KDoubleLineFeed() ) > KErrNotFound ) |
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369 { |
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370 return ETrue; |
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371 } |
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372 else |
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373 { |
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374 return EFalse; |
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375 } |
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376 } |
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377 |
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378 // ----------------------------------------------------------------------------- |
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379 // CUpnpHttpBuffer::IsBodyReadyL |
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380 // Returns ETrue, if body part of HTTPMessage is ready, else returns EFalse. |
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381 // ----------------------------------------------------------------------------- |
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382 // |
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383 TBool CUpnpHttpBuffer::IsBodyReadyL() |
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384 { |
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385 LOGS("CUpnpHttpBuffer::IsBodyReadyL()"); |
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386 TInt bodyStart = iBuffer.FindF( UpnpString::KDoubleLineFeed ); |
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387 TInt contLength = ContentLengthL(); |
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388 if ( IsChunked() ) |
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389 { |
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390 return ChunkTransferFinished(); |
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391 } |
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392 else |
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393 { |
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394 if ( iHasContentType ) |
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395 { |
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396 TPtrC8 body = iBuffer.Mid( bodyStart + |
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397 UpnpString::KDoubleLineFeed().Length() ); |
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398 return body.Find( UpnpString::KDoubleLineFeed() ) != KErrNotFound; |
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399 } |
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400 } |
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401 |
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402 TPtrC8 tempPtr; |
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403 if ( iToFile && iOkToSaveToFile ) |
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404 { |
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405 if ( iContentLengthCounter >= contLength ) |
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406 { |
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407 return !(IsChunked() && !ChunkTransferFinished()); |
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408 } |
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409 else |
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410 { |
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411 return EFalse; |
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412 } |
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413 } |
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414 else |
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415 { |
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416 tempPtr.Set( iBuffer.Mid( bodyStart + UpnpString::KDoubleLineFeedLength ) ); |
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417 if ( tempPtr.Length() >= contLength ) |
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418 { |
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419 return !(IsChunked() && !ChunkTransferFinished()); |
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420 } |
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421 else |
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422 { |
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423 return EFalse; |
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424 } |
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425 } |
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426 } |
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427 |
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428 // ----------------------------------------------------------------------------- |
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429 // CUpnpHttpBuffer::BytesInBuffer |
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430 // Returns the length of entire buffer. |
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431 // ----------------------------------------------------------------------------- |
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432 // |
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433 TInt CUpnpHttpBuffer::BytesInBuffer() |
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434 { |
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435 LOGS("CUpnpHttpBuffer::BytesInBuffer()"); |
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436 return iBuffer.Length(); |
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437 } |
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438 |
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439 // ----------------------------------------------------------------------------- |
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440 // CUpnpHttpBuffer::RemoveL |
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441 // This function deletes aLength bytes from the beginning of HTTPBuffer. |
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442 // ----------------------------------------------------------------------------- |
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443 // |
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444 void CUpnpHttpBuffer::RemoveL( TInt aLength ) |
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445 { |
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446 LOGS1("CUpnpHttpBuffer::RemoveL(%i)", aLength); |
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447 if ( aLength <= iBuffer.Length() ) |
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448 { |
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449 iBuffer.Delete( 0, aLength ); |
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450 } |
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451 } |
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452 |
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453 // ----------------------------------------------------------------------------- |
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454 // CUpnpHttpBuffer::ChunkTransferFinished |
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455 // Returns ETrue, if chunk encoded message is finished. |
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456 // ----------------------------------------------------------------------------- |
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457 // |
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458 TBool CUpnpHttpBuffer::ChunkTransferFinished() |
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459 { |
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460 LOGS("CUpnpHttpBuffer::ChunkTransferFinished()"); |
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461 return iChunkParser->IsFinished(); |
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462 } |
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463 |
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464 // ----------------------------------------------------------------------------- |
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465 // CUpnpHttpBuffer::HasBody |
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466 // Returns ETrue, if message has body, else returns EFalse. |
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467 // ----------------------------------------------------------------------------- |
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468 // |
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469 TBool CUpnpHttpBuffer::HasBody() |
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470 { |
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471 LOGS("CUpnpHttpBuffer::HasBody()"); |
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472 if( IsChunked() ) |
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473 { |
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474 return ETrue; |
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475 } |
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476 TInt endOfHeader = iBuffer.Find( UpnpString::KDoubleLineFeed ); |
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477 if (endOfHeader>0) |
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478 {TPtrC8 tmp = iBuffer.Mid(0, endOfHeader); |
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479 if ( tmp.FindC( UpnpHTTP::KContentLength() ) > -1 ) |
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480 { |
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481 iHasContentType = EFalse; |
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482 return ETrue; |
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483 } |
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484 else if ( tmp.FindC( UpnpHTTP::KContentType() ) > -1) |
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485 { |
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486 iHasContentType = ETrue; |
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487 return ETrue; |
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488 } |
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489 else |
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490 { |
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491 iHasContentType = EFalse; |
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492 return EFalse; |
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493 } |
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494 } |
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495 else |
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496 { |
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497 iHasContentType = EFalse; |
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498 return EFalse; //no end of the header, not possible to judge if there is a body |
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499 } |
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500 } |
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501 |
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502 // ----------------------------------------------------------------------------- |
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503 // CUpnpHttpBuffer::IsChunked |
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504 // Returns ETrue, if message's header contains "Transfer-encoding: |
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505 // Chunked" -header. |
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506 // ----------------------------------------------------------------------------- |
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507 // |
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508 TBool CUpnpHttpBuffer::IsChunked() |
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509 { |
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510 LOGS("CUpnpHttpBuffer::IsChunked()"); |
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511 TInt endOfHeader = iBuffer.Find( UpnpString::KDoubleLineFeed ); |
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512 |
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513 // to check only first 2k of data or whole portion with all headers |
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514 // if they are bigger |
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515 TPtrC8 TranferCodingPointer; |
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516 if (endOfHeader <= UpnpSSDP::KMaxMessageLength) |
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517 TranferCodingPointer.Set( iBuffer.Left( endOfHeader + UpnpString::KLineFeedLength ) ); |
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518 else |
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519 TranferCodingPointer.Set( iBuffer.Left( UpnpSSDP::KMaxMessageLength ) ); |
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520 |
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521 TInt TransferEncodingIndex = |
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522 TranferCodingPointer.FindC( UpnpHTTP::TransferEncoding ); |
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523 |
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524 if ( TransferEncodingIndex == KErrNotFound ) |
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525 { |
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526 return EFalse; |
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527 } |
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528 else |
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529 { |
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530 TInt correct = 0; |
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531 TInt transferHeaderLength = 0; |
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532 correct = TransferEncodingIndex; |
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533 transferHeaderLength = UpnpHTTP::TransferEncoding().Length(); |
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534 |
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535 TPtrC8 tempPtr = iBuffer.Mid( correct + transferHeaderLength, |
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536 iBuffer.Length() - correct - transferHeaderLength ); |
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537 |
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538 TInt LineFeedAfterTransferCoding = tempPtr.FindF( UpnpString::KLineFeed ); |
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539 |
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540 TPtrC8 codingPtr = tempPtr.Left( LineFeedAfterTransferCoding ); |
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541 if ( codingPtr.FindC( UpnpHTTP::Chunked ) != KErrNotFound ) |
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542 { |
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543 return ETrue; |
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544 } |
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545 else |
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546 { |
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547 return EFalse; |
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548 } |
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549 } |
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550 } |
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551 |
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552 // ----------------------------------------------------------------------------- |
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553 // CUpnpHttpBuffer::Headers |
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554 // Returns Headers of the first message in the buffer. |
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555 // ----------------------------------------------------------------------------- |
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556 // |
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557 TPtrC8 CUpnpHttpBuffer::Headers() |
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558 { |
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559 LOGS("CUpnpHttpBuffer::Headers()"); |
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560 TInt EndOfHeaders = iBuffer.FindC( UpnpString::KDoubleLineFeed ); |
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561 TPtrC8 headers = iBuffer.Left( EndOfHeaders + UpnpString::KDoubleLineFeedLength ); |
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562 return headers; |
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563 } |
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564 |
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565 |
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566 // ----------------------------------------------------------------------------- |
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567 // CUpnpHttpBuffer::L |
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568 // Returns the content of buffer. |
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569 // ----------------------------------------------------------------------------- |
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570 // |
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571 TPtrC8 CUpnpHttpBuffer::Content() |
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572 { |
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573 LOGS("CUpnpHttpBuffer::Content()"); |
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574 TInt PosOfContLength = iBuffer.FindC( UpnpHTTP::KHdrContentLength() ); |
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575 TInt contLen = 0; |
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576 |
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577 if ( PosOfContLength > 0 ) |
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578 { |
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579 TRAPD(error, contLen = ContentLengthL()); |
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580 if (error) |
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581 { |
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582 contLen = 0; |
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583 } |
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584 } |
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585 else if ( iHasContentType ) |
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586 { |
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587 return TPtrC8( iBuffer ); |
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588 } |
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589 else if( IsChunked() ) |
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590 { |
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591 TInt StartOfMessage = iBuffer.FindC( UpnpString::KDoubleLineFeed ); |
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592 contLen = iBuffer.Length() - StartOfMessage; |
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593 } |
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594 /*else |
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595 { |
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596 TInt StartOfMessage = iBuffer.FindC( UpnpString::KDoubleLineFeed ); |
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597 contLen = iBuffer.Des().Length() - StartOfMessage; |
|
598 }*/ |
|
599 |
|
600 TInt endOfHeader = iBuffer.Find( UpnpString::KDoubleLineFeed ); |
|
601 TInt length = 0; |
|
602 // Probably not all headers were sent |
|
603 |
|
604 if( endOfHeader == KErrNotFound ) |
|
605 { |
|
606 length = iBuffer.Length(); |
|
607 } |
|
608 else |
|
609 { |
|
610 length = endOfHeader + contLen + UpnpString::KDoubleLineFeedLength; |
|
611 } |
|
612 |
|
613 if( length < 0 ) // in case of overflow of length value |
|
614 { |
|
615 length = INT_MAX; |
|
616 } |
|
617 |
|
618 TPtrC8 message = iBuffer.Left( length ); |
|
619 return message; |
|
620 } |
|
621 |
|
622 // ----------------------------------------------------------------------------- |
|
623 // CUpnpHttpBuffer::ContentLengthL |
|
624 // Returns the content length of first message in the buffer. |
|
625 // ----------------------------------------------------------------------------- |
|
626 // |
|
627 TInt CUpnpHttpBuffer::ContentLengthL() |
|
628 { |
|
629 LOGS("CUpnpHttpBuffer::ContentLengthL()"); |
|
630 |
|
631 TInt endOfHeader = iBuffer.Find( UpnpString::KDoubleLineFeed ); |
|
632 User::LeaveIfError(endOfHeader); |
|
633 TPtrC8 findptr; |
|
634 // to check only first 2k of data or whole portion with all headers |
|
635 // if they are bigger |
|
636 if (endOfHeader >= UpnpSSDP::KMaxMessageLength) |
|
637 findptr.Set( iBuffer.Left( endOfHeader + UpnpString::KLineFeedLength ) ); |
|
638 else |
|
639 findptr.Set( iBuffer.Left( UpnpSSDP::KMaxMessageLength ) ); |
|
640 |
|
641 TInt contentLengthIndex = findptr.FindC( UpnpHTTP::KHdrContentLength() ); |
|
642 |
|
643 TInt lengthOfContentLength = UpnpHTTP::KHdrContentLength().Length() + |
|
644 UpnpString::KColon().Length(); |
|
645 |
|
646 if ( contentLengthIndex <= 0 ) |
|
647 { |
|
648 return KErrNotFound; |
|
649 } |
|
650 |
|
651 TPtrC8 rest; |
|
652 rest.Set( findptr ); |
|
653 rest.Set( rest.Mid( contentLengthIndex + lengthOfContentLength ) ); |
|
654 |
|
655 TInt lineEnd = rest.Find( UpnpString::KLineFeed ); |
|
656 if ( lineEnd < 0 ) |
|
657 { |
|
658 return KErrNotFound; |
|
659 } |
|
660 |
|
661 // LWS and spanning headers |
|
662 TInt indexLWS = 0; |
|
663 TPtrC8 clRest = rest; |
|
664 TInt contentLengthValueEnd = lineEnd; |
|
665 |
|
666 while( ETrue ) |
|
667 { |
|
668 indexLWS = CUpnpHttpMessage::FindLWS( clRest ); |
|
669 if( indexLWS == lineEnd ) |
|
670 { |
|
671 clRest.Set( clRest.Mid( lineEnd + UpnpString::KLineFeed().Length() ) ); |
|
672 lineEnd = clRest.Find( UpnpString::KLineFeed ); |
|
673 contentLengthValueEnd += lineEnd + UpnpString::KLineFeed().Length(); |
|
674 } |
|
675 else |
|
676 { |
|
677 break; |
|
678 } |
|
679 } |
|
680 |
|
681 TPtrC8 length = rest.Left( contentLengthValueEnd ); |
|
682 |
|
683 if( !length.Compare( KNullDesC8() ) ) |
|
684 return -1; |
|
685 |
|
686 // Unfold header |
|
687 HBufC8* clValueBuf = length.AllocLC(); |
|
688 TPtr8 ptrCLValue = clValueBuf->Des(); |
|
689 |
|
690 // Remove CRLFs |
|
691 TInt pos; |
|
692 while( ( pos = ptrCLValue.FindC( UpnpString::KLineFeed() ) ) != KErrNotFound) |
|
693 { |
|
694 ptrCLValue.Delete(pos, UpnpString::KLineFeedLength); |
|
695 } |
|
696 |
|
697 // Remove spaces |
|
698 while( ( pos = ptrCLValue.FindC( UpnpString::KSpace() ) ) != KErrNotFound) |
|
699 { |
|
700 ptrCLValue.Delete(pos, 1); |
|
701 } |
|
702 |
|
703 // Remove tabs |
|
704 while( ( pos = ptrCLValue.FindC( UpnpString::KTab() ) ) != KErrNotFound) |
|
705 { |
|
706 ptrCLValue.Delete(pos, 1); |
|
707 } |
|
708 |
|
709 TLex8 lex( ptrCLValue ); |
|
710 TInt val = 0; |
|
711 User::LeaveIfError(lex.Val( val )); |
|
712 |
|
713 CleanupStack::PopAndDestroy( clValueBuf ); |
|
714 |
|
715 iContentLength = val; |
|
716 |
|
717 return val; |
|
718 } |
|
719 |
|
720 // ----------------------------------------------------------------------------- |
|
721 // CUpnpHttpBuffer::UsesConnectionClose |
|
722 // Returns ETrue, if message's header contains "Connection: close" -header. |
|
723 // ----------------------------------------------------------------------------- |
|
724 // |
|
725 TBool CUpnpHttpBuffer::UsesConnectionClose() |
|
726 { |
|
727 LOGS("CUpnpHttpBuffer::UsesConnectionClose()"); |
|
728 if(IsHeaderReady()) |
|
729 { |
|
730 TPtrC8 headers=Headers(); |
|
731 TInt posOfConn=headers.FindC(UpnpHTTP::KConnection()); |
|
732 TInt posOfHttp10 = headers.FindC(KHttp10); |
|
733 |
|
734 if( posOfConn != KErrNotFound ) |
|
735 { |
|
736 TPtrC8 conn=headers.Mid(posOfConn+UpnpHTTP::KConnection().Length() + |
|
737 UpnpString::KColon().Length()); |
|
738 |
|
739 TInt posOfLineFeed=conn.FindC(UpnpString::KLineFeed()); |
|
740 if(posOfLineFeed != KErrNotFound) |
|
741 { |
|
742 conn.Set(conn.Left(posOfLineFeed)); |
|
743 |
|
744 while((conn.Left(1)).CompareC(UpnpString::KSpace()) == 0) |
|
745 { |
|
746 conn.Set(conn.Mid(1)); // removing spaces in front of value |
|
747 } |
|
748 |
|
749 if(conn.FindC(UpnpHTTP::KClose()) >= 0) |
|
750 { |
|
751 return ETrue; |
|
752 } |
|
753 else |
|
754 { |
|
755 return EFalse; |
|
756 } |
|
757 } |
|
758 else |
|
759 { |
|
760 // If rsp = 'HTTP/1.0', we can assume that it contains 'connection:close' header, even if it doesn't! |
|
761 if( posOfHttp10 != KErrNotFound ) |
|
762 return ETrue; |
|
763 return EFalse; |
|
764 } |
|
765 } |
|
766 else |
|
767 { |
|
768 // If rsp = 'HTTP/1.0', we can assume that it contains 'connection:close' header, even if it doesn't! |
|
769 if( posOfHttp10 != KErrNotFound ) |
|
770 return ETrue; |
|
771 return EFalse; |
|
772 } |
|
773 } |
|
774 return EFalse; |
|
775 } |
|
776 |
|
777 // ----------------------------------------------------------------------------- |
|
778 // CUpnpHttpBuffer::MessageErrorCode |
|
779 // Checks error code of received message. |
|
780 // ----------------------------------------------------------------------------- |
|
781 // |
|
782 TInt CUpnpHttpBuffer::MessageErrorCode( TDesC8& aBuffer ) |
|
783 { |
|
784 if( IsHeaderReady() ) |
|
785 { |
|
786 TInt posOfNextLine = aBuffer.Find(UpnpString::KLineFeed); |
|
787 if( posOfNextLine != KErrNotFound ) |
|
788 { |
|
789 TPtrC8 spacePtr; |
|
790 spacePtr.Set( aBuffer ); |
|
791 |
|
792 // finding first space |
|
793 TInt posOfFirstSpace = spacePtr.Find(UpnpString::KSpace); |
|
794 if ( posOfFirstSpace != KErrNotFound ) |
|
795 { |
|
796 spacePtr.Set( spacePtr.Left( posOfFirstSpace ) ); |
|
797 |
|
798 } |
|
799 |
|
800 // back to basic handling |
|
801 spacePtr.Set( aBuffer ); |
|
802 |
|
803 if( posOfFirstSpace < posOfNextLine && posOfFirstSpace != KErrNotFound ) |
|
804 { |
|
805 // if first space is found, it has to be before linefeed |
|
806 // +1 comes from going over the first space, we are interested |
|
807 // in what comes after it. |
|
808 spacePtr.Set( spacePtr.Mid( posOfFirstSpace + 1 ) ); |
|
809 TInt posOfSecondSpace = spacePtr.Find(UpnpString::KSpace); |
|
810 if( posOfSecondSpace < posOfNextLine && posOfSecondSpace != KErrNotFound ) |
|
811 { |
|
812 // check that length of path is longer than zero. |
|
813 if( posOfSecondSpace > 0 ) |
|
814 { |
|
815 // now setting spacePtr so that we have the error number in spacePrt |
|
816 spacePtr.Set( spacePtr.Left( posOfSecondSpace ) ); |
|
817 |
|
818 // making conversion |
|
819 TLex8 errorValue( spacePtr ); |
|
820 TInt messageErrorValue( 0 ); |
|
821 TInt convError = errorValue.Val( messageErrorValue ); |
|
822 |
|
823 // checking that conversion was ok |
|
824 if( convError == KErrNone ) |
|
825 { |
|
826 return messageErrorValue; |
|
827 } |
|
828 else |
|
829 { |
|
830 return KErrAbort; |
|
831 } |
|
832 |
|
833 } |
|
834 else |
|
835 { |
|
836 // header too short. Invalid message |
|
837 return KErrAbort; |
|
838 } |
|
839 } |
|
840 else |
|
841 { |
|
842 // no second space found. Invalid message. |
|
843 return KErrAbort; |
|
844 } |
|
845 } |
|
846 else |
|
847 { |
|
848 // no space found before linefeed. Invalid message |
|
849 return KErrAbort; |
|
850 } |
|
851 } |
|
852 else |
|
853 { |
|
854 // no linefeed found in headers. Invalid message |
|
855 return KErrAbort; |
|
856 } |
|
857 } |
|
858 else |
|
859 { |
|
860 return KErrAbort; |
|
861 } |
|
862 } |
|
863 |
|
864 // ----------------------------------------------------------------------------- |
|
865 // CUpnpHttpBuffer::Method |
|
866 // returns the method of message |
|
867 // ----------------------------------------------------------------------------- |
|
868 // |
|
869 TPtrC8 CUpnpHttpBuffer::Method() |
|
870 { |
|
871 if( IsHeaderReady() ) |
|
872 { |
|
873 TPtrC8 ret; |
|
874 ret.Set( Headers() ); |
|
875 TInt posOfSpace = ret.Locate(' '); |
|
876 if( posOfSpace != KErrNotFound ) |
|
877 { |
|
878 ret.Set( ret.Left( posOfSpace ) ); |
|
879 return ret; |
|
880 } |
|
881 else |
|
882 { |
|
883 return KNullDesC8(); |
|
884 } |
|
885 |
|
886 } |
|
887 else |
|
888 { |
|
889 return KNullDesC8(); |
|
890 } |
|
891 } |
|
892 |
|
893 // ----------------------------------------------------------------------------- |
|
894 // CUpnpHttpBuffer::Target |
|
895 // |
|
896 // ----------------------------------------------------------------------------- |
|
897 // |
|
898 TPtrC8 CUpnpHttpBuffer::Target() |
|
899 { |
|
900 if( IsHeaderReady() ) |
|
901 { |
|
902 TPtrC8 ret; |
|
903 ret.Set( Headers() ); |
|
904 TInt posOfSpace = ret.Locate(' '); |
|
905 if( posOfSpace != KErrNotFound ) |
|
906 { |
|
907 ret.Set( ret.Mid( posOfSpace +1 ) ); |
|
908 posOfSpace = ret.Locate(' '); |
|
909 if( posOfSpace != KErrNotFound ) |
|
910 { |
|
911 ret.Set( ret.Left( posOfSpace ) ); |
|
912 return ret; |
|
913 } |
|
914 else |
|
915 { |
|
916 return KNullDesC8(); |
|
917 } |
|
918 } |
|
919 else |
|
920 { |
|
921 return KNullDesC8(); |
|
922 } |
|
923 |
|
924 } |
|
925 else |
|
926 { |
|
927 return KNullDesC8(); |
|
928 } |
|
929 } |
|
930 |
|
931 // ----------------------------------------------------------------------------- |
|
932 // CUpnpHttpBuffer::IsToFile |
|
933 // Returns True if message content is going to be saved in file. |
|
934 // ----------------------------------------------------------------------------- |
|
935 // |
|
936 TBool CUpnpHttpBuffer::IsToFile() |
|
937 { |
|
938 return iToFile; |
|
939 } |
|
940 |
|
941 // ----------------------------------------------------------------------------- |
|
942 // CUpnpHttpBuffer::SetToFile |
|
943 // Sets if body of message contained in buffer should be saved in file. |
|
944 // ----------------------------------------------------------------------------- |
|
945 // |
|
946 void CUpnpHttpBuffer::SetToFile( TBool aToFile ) |
|
947 { |
|
948 iToFile = aToFile; |
|
949 } |
|
950 |
|
951 |
|
952 // End Of File |