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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: File utils |
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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 // INCLUDES |
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20 #include <e32base.h> |
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21 #include <charconv.h> |
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22 #include <f32file.h> |
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23 #include <apgcli.h> |
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24 #include <apmrec.h> |
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25 #include <sysutil.h> |
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26 #define KLogFile _L("DLNAWebServer.txt") |
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27 #include "upnpcustomlog.h" |
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28 #include "upnpcons.h" |
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29 #include "upnpfileutils.h" |
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30 #include "upnpstring.h" |
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31 #include "uri8.h" |
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32 #include "in_sock.h" |
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33 |
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34 // ================= MEMBER FUNCTIONS ======================= |
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35 namespace UpnpFileUtil |
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36 { |
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37 // ----------------------------------------------------------------------------- |
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38 // UpnpFileUtil::ReadFileL |
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39 // Reads the specified file and returns a pointer to HBufC8 holding the |
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40 // information. |
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41 // ----------------------------------------------------------------------------- |
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42 // |
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43 EXPORT_C HBufC8* ReadFileL(const TDesC16& aFilename) |
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44 { |
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45 LOGS1("UpnpFileUtil::ReadFileL - File: %S", &aFilename); |
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46 |
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47 RFs fs; |
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48 HBufC8* buffer = NULL; |
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49 TInt error = fs.Connect(); |
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50 if ( error == KErrNone ) |
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51 { |
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52 CleanupClosePushL( fs ); |
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53 |
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54 RFile file; |
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55 error = file.Open(fs, aFilename, EFileRead|EFileShareAny ); |
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56 if ( error == KErrNone ) |
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57 { |
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58 CleanupClosePushL( file ); |
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59 |
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60 TInt fileSize; |
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61 error = file.Size(fileSize); |
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62 if ( error == KErrNone ) |
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63 { |
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64 buffer = HBufC8::NewLC(fileSize); |
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65 buffer->Des().SetLength(0); |
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66 |
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67 TPtr8 ptr = buffer->Des(); |
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68 error = file.Read( ptr ); |
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69 if ( error == KErrNone ) |
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70 { |
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71 CleanupStack::Pop( buffer ); |
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72 } |
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73 else |
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74 { |
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75 CleanupStack::PopAndDestroy( buffer ); |
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76 buffer = NULL; |
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77 } |
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78 } |
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79 |
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80 // Close File |
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81 CleanupStack::PopAndDestroy(); |
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82 } |
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83 else |
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84 { |
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85 LOGS1("UpnpFileUtil::ReadFileL - RFile::Open() failed: %d", error); |
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86 } |
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87 |
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88 // Close FS |
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89 CleanupStack::PopAndDestroy(); |
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90 } |
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91 else |
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92 { |
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93 LOGS1("UpnpFileUtil::ReadFileL - RFs::Connect() failed: %d", error ); |
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94 } |
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95 |
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96 // In case of an error, we leave as error would mean that the |
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97 // file system is down. Shouldn't fail in any other case. |
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98 User::LeaveIfError( error ); |
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99 |
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100 return buffer; |
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101 } |
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102 |
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103 // ----------------------------------------------------------------------------- |
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104 // UpnpFileUtil::GetMimeTypeForFileL |
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105 // - In emulator, checks the filename, and returns mimetype-string depending |
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106 // on extension. |
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107 // - In Target device, uses RApaLsSession (Application server) to find out |
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108 // file's mime type. |
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109 // ----------------------------------------------------------------------------- |
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110 // |
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111 EXPORT_C HBufC8* GetMimeTypeForFileL(const TDesC16& aFilename) |
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112 { |
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113 LOGS1("UpnpFileUtil::GetMimeTypeForFileL - Getting mime type for file: %S", &aFilename); |
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114 |
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115 HBufC8* mimetype = NULL; |
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116 |
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117 // Added extra functionality, due to DLNA requirements for XML files mime type. |
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118 // In mime type for xml files there should be explicitly defined used charset |
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119 // and RApaLsSession service doesn't provide such a functionality. |
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120 |
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121 // Check extension, if its .xml - set mime type to text/xml and check used encoding |
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122 _LIT8(KXmlUtf8, "text/xml; charset=\"utf-8\""); |
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123 TParse parse; |
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124 parse.Set( aFilename, NULL, NULL ); |
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125 TBufC16<KMaxName> ext( parse.Ext() ); |
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126 |
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127 if ( ext.FindC( KXml16 ) == 0 && ext.Length() == KXml16().Length() ) |
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128 { |
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129 // Extension says that's XML but we check content to be sure and get encoding |
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130 |
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131 |
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132 mimetype = HBufC8::NewL( KXmlUtf8().Length() ); |
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133 mimetype->Des().Zero(); |
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134 mimetype->Des().Append( KXmlUtf8() ); |
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135 return mimetype; |
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136 } |
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137 |
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138 // If it's not a XML file then use built-in service. |
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139 |
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140 RApaLsSession sess; |
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141 TInt error = sess.Connect(); |
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142 // We have FS, File and RApaLs open |
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143 if ( error == KErrNone ) |
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144 { |
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145 CleanupClosePushL( sess ); |
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146 |
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147 TUid id = TUid::Uid( 0 ); |
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148 |
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149 TDataType type; |
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150 |
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151 error = sess.AppForDocument( aFilename, id, type ); |
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152 if( error == KErrNone && type != TDataType()) |
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153 { |
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154 mimetype = HBufC8::NewL( type.Des8().Length() + UpnpString::KLineFeed().Length() ); |
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155 mimetype->Des().Append( type.Des8() ); |
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156 } |
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157 else |
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158 { |
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159 error = KErrNotFound; |
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160 LOGS1("UpnpFileUtil::GetMimeTypeForFileL - AppForDocument failed: %d", error ); |
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161 } |
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162 |
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163 CleanupStack::PopAndDestroy( &sess ); |
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164 } |
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165 else |
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166 { |
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167 LOGS1("UpnpFileUtil::GetMimeTypeForFileL - RFile::Open failed: %d", error ); |
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168 } |
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169 |
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170 if( error != KErrNone) |
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171 { |
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172 mimetype = GetMimeTypeByExtensionL( aFilename ); |
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173 } |
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174 |
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175 LOGS("UpnpFileUtil::GetMimeTypeForFileL - MIME type resolved: " ); |
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176 LOGT( mimetype->Des() ); |
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177 |
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178 return mimetype; |
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179 } |
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180 |
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181 // ----------------------------------------------------------------------------- |
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182 // UpnpFileUtil::GetMimeTypeByExtensionL |
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183 // - In emulator, checks the filename, and returns mimetype-string depending |
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184 // on extension. |
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185 // - In Target device, uses RApaLsSession (Application server) to find out |
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186 // file's mime type. |
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187 // ----------------------------------------------------------------------------- |
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188 // |
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189 HBufC8* GetMimeTypeByExtensionL( const TDesC16& aFilename ) |
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190 { |
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191 LOGS("UpnpFileUtil::GetMimeTypeForFileL - Starting search by file extension"); |
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192 |
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193 HBufC8* mimetype = NULL; |
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194 |
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195 TParse parse; |
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196 |
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197 parse.Set( aFilename, NULL, NULL ); |
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198 |
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199 TBufC16<KMaxName> ext( parse.Ext() ); |
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200 |
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201 // FindC and length calculation is used, |
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202 // beacause compareC does not work for undefined reason |
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203 |
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204 if ( ext.FindC( KHtml16 ) == 0 && ext.Length() == KHtml16().Length() ) |
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205 { |
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206 mimetype = HBufC8::NewLC( KHtml().Length() ); |
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207 mimetype->Des().Zero(); |
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208 mimetype->Des().Append( KHtml() ); |
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209 } |
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210 else if ( ext.FindC( KXml16 ) == 0 && ext.Length() == KXml16().Length() ) |
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211 { |
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212 mimetype = HBufC8::NewLC( KXml().Length() ); |
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213 mimetype->Des().Zero(); |
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214 mimetype->Des().Append( KXml() ); |
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215 } |
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216 else if ( ext.FindC( KTxt16 ) == 0 && ext.Length() == KTxt16().Length() ) |
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217 { |
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218 mimetype = HBufC8::NewLC( KTxt().Length() ); |
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219 mimetype->Des().Zero(); |
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220 mimetype->Des().Append( KTxt() ); |
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221 } |
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222 else if ( ( ext.FindC( KJpg16 ) == 0 && ext.Length() == KJpg16().Length() ) || |
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223 ( ext.FindC( KJpeg16 ) == 0 && ext.Length() == KJpeg16().Length() ) ) |
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224 { |
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225 mimetype = HBufC8::NewLC( KJpg().Length() ); |
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226 mimetype->Des().Zero(); |
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227 mimetype->Des().Append( KJpg() ); |
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228 } |
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229 else if ( ext.FindC( KGif16 ) == 0 && ext.Length() == KGif16().Length() ) |
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230 { |
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231 mimetype = HBufC8::NewLC( KGif().Length() ); |
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232 mimetype->Des().Zero(); |
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233 mimetype->Des().Append( KGif() ); |
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234 } |
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235 else if ( ext.FindC( KPng16 ) == 0 && ext.Length() == KPng16().Length() ) |
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236 { |
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237 mimetype = HBufC8::NewLC( KPng().Length() ); |
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238 mimetype->Des().Zero(); |
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239 mimetype->Des().Append( KPng() ); |
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240 } |
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241 else if ( ( ext.FindC( KMpg16 ) == 0 && ext.Length() == KMpg16().Length() ) || |
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242 ( ext.FindC( KMpeg16 ) == 0 && ext.Length() == KMpeg16().Length() ) ) |
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243 { |
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244 mimetype = HBufC8::NewLC( KMpeg().Length() ); |
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245 mimetype->Des().Zero(); |
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246 mimetype->Des().Append( KMpeg() ); |
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247 } |
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248 else if ( ext.FindC( KAvi16 ) == 0 && ext.Length() == KAvi16().Length() ) |
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249 { |
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250 mimetype =HBufC8::NewLC( KAvi().Length() ); |
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251 mimetype->Des().Zero(); |
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252 mimetype->Des().Append( KAvi() ); |
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253 } |
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254 else if ( ext.FindC( KMp316 ) == 0 && ext.Length() == KMp316().Length() ) |
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255 { |
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256 mimetype = HBufC8::NewLC( KMp3().Length() ); |
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257 mimetype->Des().Zero(); |
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258 mimetype->Des().Append( KMp3() ); |
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259 } |
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260 |
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261 // If type was not found, then set empty it here |
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262 if ( !mimetype ) |
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263 { |
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264 // We can't return mimetype=NULL; |
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265 |
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266 // Allocate one lenght mime. |
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267 mimetype = HBufC8::NewLC( 1 ); |
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268 } |
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269 CleanupStack::Pop( mimetype ); |
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270 |
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271 return mimetype; |
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272 } |
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273 |
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274 // ----------------------------------------------------------------------------- |
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275 // ExtractNumFromIP |
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276 // ----------------------------------------------------------------------------- |
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277 // |
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278 TInt ExtractNumFromIP(TPtrC8 ippart) |
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279 { |
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280 |
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281 TInt ipdef=KIPNumMin; |
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282 TLex8 lexip = TLex8(ippart); |
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283 TInt errorip = lexip.Val(ipdef); |
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284 |
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285 if (errorip == KErrNone) |
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286 return ipdef; |
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287 else |
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288 return KErrNotFound; |
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289 |
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290 } |
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291 // ----------------------------------------------------------------------------- |
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292 // Returns drive number |
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293 // ----------------------------------------------------------------------------- |
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294 // |
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295 TInt DriveNumberFromPath( const TDesC16& aPath, RFs& aFs ) |
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296 { |
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297 TInt drive_num; |
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298 TParse p; |
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299 p.Set( aPath, NULL, NULL ); |
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300 TPtrC pointer = p.Drive(); |
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301 TLex lineParser( pointer.Ptr() ); |
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302 TChar ch = lineParser.Get(); |
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303 |
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304 //sets the default drive or the found value |
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305 if( aFs.CharToDrive( ch, drive_num )<KErrNone ) |
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306 { |
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307 drive_num=EDriveC; |
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308 } |
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309 return drive_num; |
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310 } |
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311 |
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312 // ----------------------------------------------------------------------------- |
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313 // ExtractUrlPathHost |
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314 // ----------------------------------------------------------------------------- |
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315 // |
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316 TBool ExtractUrlPathHost(const TDesC8& aUrl, TInt& aParseError ) |
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317 { |
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318 TUriParser8 up; |
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319 aParseError = up.Parse(aUrl); |
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320 if ( aParseError != KErrNone ) |
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321 { |
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322 return EFalse; |
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323 } |
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324 |
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325 TPtrC8 hostt(up.Extract(EUriHost)); |
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326 TInt posOfFirstDot( 0 ); |
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327 TInt posOfSecondDot( 0 ); |
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328 TInt posOfThirdDot( 0 ); |
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329 |
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330 posOfFirstDot = hostt.FindC( UpnpString::KDot8() ); |
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331 |
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332 //position of the first dot in IP address must be from 1 to 3 |
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333 if( (posOfFirstDot < KErrNone ) || ((posOfFirstDot> 3 ) || (posOfFirstDot < 1))) |
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334 { |
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335 return EFalse; |
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336 } |
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337 else |
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338 { |
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339 TPtrC8 ip1; |
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340 ip1.Set( hostt.Left( posOfFirstDot)); |
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341 |
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342 TInt ip1def = ExtractNumFromIP(ip1); |
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343 |
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344 if ((ip1def> KIPNumMax) || (ip1def < KIPNumMin )) |
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345 { |
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346 return EFalse; |
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347 } |
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348 |
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349 hostt.Set(hostt.Mid(posOfFirstDot + UpnpString::KDot8().Length())); |
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350 posOfSecondDot = hostt.FindC( UpnpString::KDot8() ); |
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351 |
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352 //position of the dot in IP address must from 1 to 3 starting from the position of former dot |
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353 if( (posOfSecondDot < KErrNone) || ((posOfSecondDot> 3 ) || (posOfSecondDot < 1))) |
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354 { |
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355 return EFalse; |
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356 } |
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357 else |
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358 { |
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359 TPtrC8 ip2; |
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360 ip2.Set( hostt.Left( posOfSecondDot)); |
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361 |
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362 ip1def = ExtractNumFromIP(ip2); |
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363 |
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364 if ((ip1def == KErrNotFound) || (ip1def> KIPNumMax)) |
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365 { |
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366 return EFalse; |
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367 } |
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368 |
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369 hostt.Set(hostt.Mid(posOfSecondDot + UpnpString::KDot8().Length())); |
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370 posOfThirdDot = hostt.FindC( UpnpString::KDot8() ); |
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371 |
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372 //position of the dot in IP address must from 1 to 3 starting from the position of former dot |
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373 if( (posOfThirdDot < KErrNone ) || ((posOfThirdDot> 3 ) || (posOfThirdDot < 1))) |
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374 { |
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375 return EFalse; |
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376 } |
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377 else |
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378 { |
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379 TPtrC8 ip3; |
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380 ip3.Set( hostt.Left( posOfThirdDot)); |
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381 |
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382 ip1def = ExtractNumFromIP(ip3); |
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383 |
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384 if ((ip1def == KErrNotFound) || (ip1def> KIPNumMax)) |
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385 { |
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386 return EFalse; |
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387 } |
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388 |
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389 TPtrC8 ip4; |
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390 ip4.Set(hostt.Mid(posOfThirdDot + UpnpString::KDot8().Length())); |
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391 |
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392 //position of the dot in IP address must from 1 to 3 starting from the position of former dot |
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393 if((ip4.Length() < 1) || (ip4.Length()> 3)) |
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394 { |
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395 return EFalse; |
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396 } |
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397 |
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398 ip1def = ExtractNumFromIP (ip4); |
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399 |
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400 if ((ip1def == KErrNotFound) || (ip1def> KIPNumMax)) |
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401 { |
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402 return EFalse; |
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403 } |
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404 else |
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405 { |
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406 return ETrue; |
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407 } |
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408 |
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409 } |
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410 } |
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411 } |
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412 } |
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413 |
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414 // ----------------------------------------------------------------------------- |
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415 // ExtractUrlPath |
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416 // ----------------------------------------------------------------------------- |
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417 // |
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418 EXPORT_C TPtrC8 ExtractUrlPath( |
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419 const TDesC8& aUrl, TPtrC8& aFilename, TPtrC8& aScheme, TInt& aParseError ) |
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420 { |
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421 |
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422 LOGS("CHttpFolderUrlMatch::ExtractUrlPath()"); |
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423 TUriParser8 up; |
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424 aParseError = up.Parse(aUrl); |
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425 if( aParseError != KErrNone) |
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426 { |
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427 return KNullDesC8(); |
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428 } |
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429 TPtrC8 path(up.Extract(EUriPath)); |
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430 TPtrC8 scheme(up.Extract(EUriScheme)); |
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431 TPtrC8 port(up.Extract(EUriPort)); |
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432 TPtrC8 host(up.Extract(EUriHost)); |
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433 TInt position (0); |
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434 TPtrC8 urlPath; |
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435 |
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436 if(up.IsPresent(EUriScheme)) |
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437 { |
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438 |
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439 if(scheme.Compare(UpnpHTTP::KSchemeHTTP8()) == 0) |
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440 { |
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441 aScheme.Set(scheme); |
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442 |
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443 //separator test |
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444 position = aUrl.FindC(UpnpHTTP::KSchemeSeparator()); |
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445 if (position != KErrNotFound) |
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446 { |
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447 if ((up.IsPresent(EUriHost)) && (host != KNullDesC8())) |
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448 { |
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449 if( ExtractUrlPathHost(aUrl, aParseError ) ) |
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450 { |
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451 TUint portdef(0); |
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452 TLex8 lex = TLex8(port); |
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453 TInt error = lex.Val(portdef, EDecimal); |
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454 if((up.IsPresent(EUriPort)) && (port != KNullDesC8()) && (error == KErrNone) ) |
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455 { |
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456 urlPath.Set(path); |
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457 } |
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458 else |
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459 { |
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460 return KNullDesC8(); |
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461 } |
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462 } |
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463 else |
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464 { |
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465 return KNullDesC8(); |
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466 } |
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467 } |
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468 else |
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469 { |
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470 return KNullDesC8(); |
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471 } |
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472 } |
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473 else |
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474 { |
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475 return KNullDesC8(); |
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476 } |
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477 |
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478 } |
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479 else |
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480 { |
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481 return KNullDesC8(); |
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482 } |
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483 } |
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484 else |
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485 { |
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486 TInt posOfFirstSlashnohttp( 0 ); |
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487 posOfFirstSlashnohttp = path.FindC( UpnpString::KSlash() ); |
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488 |
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489 if( (posOfFirstSlashnohttp < KErrNone ) || (posOfFirstSlashnohttp != 0)) |
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490 { |
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491 return KNullDesC8(); |
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492 } |
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493 else |
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494 { |
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495 urlPath.Set(aUrl); |
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496 } |
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497 } |
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498 |
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499 TInt posOfFirstSlash( 0 ); |
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500 TInt posOfLastSlash( 0 ); |
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501 posOfFirstSlash = urlPath.FindC( UpnpString::KSlash() ); |
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502 |
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503 if( posOfFirstSlash < KErrNone ) |
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504 { |
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505 return KNullDesC8(); |
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506 } |
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507 else |
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508 { |
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509 TInt posOfTwoSlashes( 0 ); |
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510 posOfTwoSlashes = urlPath.FindC(UpnpString::KDoubleSlash()); |
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511 if((posOfTwoSlashes == KErrNone ) || (posOfTwoSlashes> KErrNone) ) |
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512 { |
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513 return KNullDesC8(); |
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514 } |
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515 posOfLastSlash = urlPath.LocateReverse( UpnpString::KSlash()[0] ); |
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516 if( posOfLastSlash == posOfFirstSlash ) |
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517 { |
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518 aFilename.Set( urlPath.Mid( posOfLastSlash + UpnpString::KSlash().Length()) ); |
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519 return KNullDesC8(); |
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520 } |
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521 else |
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522 { |
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523 aFilename.Set( urlPath.Mid( posOfLastSlash + UpnpString::KSlash().Length()) ); |
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524 urlPath.Set( urlPath.Mid( posOfFirstSlash + UpnpString::KSlash().Length() ) ); |
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525 urlPath.Set( urlPath.Left( posOfLastSlash - UpnpString::KSlash().Length() ) ); |
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526 return urlPath; |
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527 |
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528 } |
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529 } |
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530 } |
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531 |
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532 // ----------------------------------------------------------------------------- |
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533 // ExtractUrlPath |
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534 // ----------------------------------------------------------------------------- |
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535 // |
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536 EXPORT_C TPtrC8 ExtractUrlPath(const TDesC8& aUrl, TInt& aParseError ) |
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537 { |
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538 TPtrC8 fileName; |
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539 TPtrC8 scheme; |
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540 return ExtractUrlPath(aUrl, fileName, scheme, aParseError ); |
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541 } |
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542 // ----------------------------------------------------------------------------- |
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543 // ExtractUrlPath |
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544 // ----------------------------------------------------------------------------- |
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545 // |
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546 EXPORT_C TPtrC8 ExtractUrlPath(const TDesC8& aUrl, TPtrC8& aFilename, TInt& aParseError) |
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547 { |
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548 TPtrC8 scheme; |
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549 return ExtractUrlPath(aUrl, aFilename, scheme, aParseError ); |
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550 } |
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551 |
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552 // ----------------------------------------------------------------------------- |
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553 // ConvertUrlToFolder |
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554 // ----------------------------------------------------------------------------- |
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555 // |
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556 EXPORT_C HBufC8* SwitchToBackSlashL(const TDesC8& aUrl) |
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557 { |
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558 TInt position( 0 ); |
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559 |
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560 HBufC8* result = HBufC8::NewL(aUrl.Length() + aUrl.Length()/2); |
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561 |
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562 TPtr8 ptrResult(result->Des()); |
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563 ptrResult.Copy(aUrl); |
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564 |
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565 // replace / with '\\' |
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566 while ( ( position = ptrResult.Locate( UpnpString::KSlash()[0] ) ) != KErrNotFound ) |
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567 { |
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568 ptrResult.Replace( position, 1, UpnpString::KDoubleBackSlash() ); |
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569 } |
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570 return result; |
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571 |
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572 } |
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573 // ----------------------------------------------------------------------------- |
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574 // ConvertUrlToFolder |
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575 // ----------------------------------------------------------------------------- |
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576 // |
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577 EXPORT_C HBufC* SwitchToBackSlashL(const TDesC& aUrl) |
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578 { |
|
579 TInt position( 0 ); |
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580 |
|
581 HBufC* result = HBufC::NewL(aUrl.Length() + aUrl.Length()/2); |
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582 |
|
583 TPtr ptrResult(result->Des()); |
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584 ptrResult.Copy(aUrl); |
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585 |
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586 // replace / with '\\' |
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587 while ( ( position = ptrResult.Locate( UpnpString::KSlash()[0] ) ) != KErrNotFound ) |
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588 { |
|
589 ptrResult.Replace( position, 1, UpnpString::KDoubleBackSlash16() ); |
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590 } |
|
591 return result; |
|
592 |
|
593 } |
|
594 // ----------------------------------------------------------------------------- |
|
595 // Checks if the disk is short of the space requested |
|
596 // ----------------------------------------------------------------------------- |
|
597 // |
|
598 EXPORT_C TBool CheckDiskSpaceShortL( const TDesC16& aPath, TInt aSize, RFs& aFs ) |
|
599 { |
|
600 TInt drive_num = UpnpFileUtil::DriveNumberFromPath( aPath, aFs ); |
|
601 return SysUtil::DiskSpaceBelowCriticalLevelL ( &aFs, aSize, drive_num ); |
|
602 } |
|
603 |
|
604 // ----------------------------------------------------------------------------- |
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605 // Checks if the disk is short of the space requested |
|
606 // ----------------------------------------------------------------------------- |
|
607 // |
|
608 EXPORT_C TBool CheckDiskSpaceShortL( TDriveNumber aDriveNumber, TInt aSize ) |
|
609 { |
|
610 RFs fs; |
|
611 User::LeaveIfError( fs.Connect() ); |
|
612 CleanupClosePushL( fs ); |
|
613 TBool result = SysUtil::DiskSpaceBelowCriticalLevelL ( &fs, aSize, aDriveNumber ); |
|
614 CleanupStack::PopAndDestroy( &fs ); |
|
615 return result; |
|
616 } |
|
617 |
|
618 // ----------------------------------------------------------------------------- |
|
619 // Parses uri |
|
620 // ----------------------------------------------------------------------------- |
|
621 // |
|
622 EXPORT_C TInt ParseUri( const TDesC8& aUrl ) |
|
623 { |
|
624 TUriParser8 up; |
|
625 return up.Parse( aUrl ); |
|
626 } |
|
627 |
|
628 |
|
629 } |
|
630 |
|
631 // End of File |