1 /* |
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2 * Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies). |
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3 * All rights reserved. |
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4 * This component and the accompanying materials are made available |
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5 * under the terms of "Eclipse Public License v1.0" |
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6 * which accompanies this distribution, and is available |
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7 * at the URL "http://www.eclipse.org/legal/epl-v10.html". |
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8 * |
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9 * Initial Contributors: |
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10 * Nokia Corporation - initial contribution. |
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11 * |
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12 * Contributors: |
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13 * |
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14 * Description: Utility functions for managing mount configurations |
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15 * |
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16 */ |
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17 |
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18 // INCLUDES |
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19 |
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20 #include <s32file.h> |
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21 #include <uri8.h> |
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22 #include <utf.h> |
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23 #include <ecom/ecom.h> |
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24 #include <ecom/implementationinformation.h> |
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25 #include <rsfwmountentry.h> |
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26 |
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27 #include "rsfwmountutils.h" |
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28 #include "rsfwremoteaccess.h" |
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29 |
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30 |
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31 // CONSTANTS |
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32 // These keywords must match with the entry items |
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33 _LIT(KKId, "Fname"); |
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34 _LIT(KKDrive, "Fdrv"); |
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35 _LIT(KKUri, "Furi"); |
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36 _LIT(KKUserName, "Fuid"); |
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37 _LIT(KKPassword, "Fpsw"); |
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38 |
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39 _LIT(KMountMessagePrefix, "//vnd.nokia.s60.mount.config\n"); |
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40 |
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41 // ============================ MEMBER FUNCTIONS ============================== |
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42 |
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43 // ---------------------------------------------------------------------------- |
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44 // RsfwMountUtils::ImportMountEntryL |
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45 // ---------------------------------------------------------------------------- |
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46 // |
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47 EXPORT_C void RsfwMountUtils::ImportMountEntryL(const TDesC& aMsg, |
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48 CRsfwMountEntry** aEntry) |
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49 { |
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50 // Expected to start with |
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51 // //vnd.nokia.s60.mount.config\n |
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52 |
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53 TPtrC prefix = aMsg.Left(KMountMessagePrefixLength); |
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54 if (prefix.Compare(KMountMessagePrefix) != 0) |
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55 { |
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56 User::Leave(KErrNotFound); |
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57 } |
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58 |
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59 // It is a mount configuration message |
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60 CRsfwMountEntry* entry = CRsfwMountEntry::NewLC(); |
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61 |
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62 TInt lineNumber = 0; |
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63 |
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64 // SMS rich text messages may be have trailing characters - |
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65 // that looks like ')' characters |
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66 TInt i = aMsg.Length() - 1; |
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67 while (i > 0) |
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68 { |
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69 TUint8 c = static_cast<TUint8>(aMsg[i]); |
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70 if (c != ')') |
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71 { |
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72 break; |
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73 } |
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74 i--; |
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75 } |
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76 TPtrC msg = aMsg.Left(i + 1); |
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77 |
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78 TLex lex(msg); |
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79 while (!lex.Eos()) |
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80 { |
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81 lineNumber++; |
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82 lex.SkipSpaceAndMark(); |
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83 while (lex.Peek() != '\n' && !lex.Eos()) |
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84 { |
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85 lex.Inc(); |
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86 } |
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87 // The marked token is now the whole line |
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88 TPtrC line = lex.MarkedToken(); |
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89 ParseLineL(line, *entry); |
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90 if (!lex.Eos()) |
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91 { |
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92 // Skip the '\n' |
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93 lex.Inc(); |
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94 } |
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95 } |
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96 |
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97 CleanupStack::Pop(entry); |
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98 *aEntry = entry; |
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99 } |
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100 |
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101 // ---------------------------------------------------------------------------- |
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102 // RsfwMountUtils::ImportMountEntryFromStreamL |
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103 // ---------------------------------------------------------------------------- |
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104 // |
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105 EXPORT_C void RsfwMountUtils::ImportMountEntryFromStreamL(RReadStream& aReadStream, |
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106 TInt aSize, |
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107 CRsfwMountEntry** aEntry) |
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108 { |
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109 // the string is assumed to be 8-bit in stream, |
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110 // and should be converted to Unicode |
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111 *aEntry = NULL; |
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112 HBufC8* tempbuf = HBufC8::NewLC(aSize); |
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113 TPtr8 tbufPtr = tempbuf->Des(); |
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114 tbufPtr.Zero(); |
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115 TRAPD(err, aReadStream.ReadL(tbufPtr)); |
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116 |
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117 HBufC* buf = HBufC::NewLC(aSize); |
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118 TPtr bufPtr = buf->Des(); |
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119 CnvUtfConverter::ConvertToUnicodeFromUtf8(bufPtr, tbufPtr); |
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120 if ((err == KErrNone) || (err == KErrEof)) |
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121 { |
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122 ImportMountEntryL(bufPtr, aEntry); |
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123 } |
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124 CleanupStack::PopAndDestroy(2, tempbuf); // buf, tempbuf |
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125 } |
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126 |
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127 // ---------------------------------------------------------------------------- |
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128 // RsfwMountUtils::ExportMountEntryL |
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129 // ---------------------------------------------------------------------------- |
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130 // |
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131 EXPORT_C void RsfwMountUtils::ExportMountEntryL(const CRsfwMountEntry& aEntry, |
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132 TBool aSendCredentials, |
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133 TDes& aBuf) |
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134 { |
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135 aBuf.Copy(KMountMessagePrefix); |
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136 TInt i; |
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137 // smart messaging sends: |
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138 // EMountEntryItemName |
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139 // EMountEntryItemUri |
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140 // if aSendCredentials sends also: |
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141 // EMountEntryItemUserName |
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142 // EMountEntryItemPassword |
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143 TInt lastToExport; |
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144 if (aSendCredentials) |
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145 { |
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146 lastToExport = EMountEntryItemPassword; |
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147 } |
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148 else |
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149 { |
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150 lastToExport = EMountEntryItemUri; |
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151 } |
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152 |
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153 for (i = EMountEntryItemName; i < lastToExport + 1; i++) |
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154 { |
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155 if (i != EMountEntryItemDrive) |
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156 { |
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157 const HBufC* item = aEntry.Item(i); |
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158 if (item && item->Length()) |
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159 { |
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160 aBuf.Append(GetKeyWord(i)); |
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161 aBuf.Append(':'); |
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162 const TPtrC ip(*item); |
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163 aBuf.Append(ip); |
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164 aBuf.Append('\n'); |
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165 } |
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166 } |
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167 } |
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168 } |
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169 |
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170 // ---------------------------------------------------------------------------- |
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171 // RsfwMountUtils::IsFriendlyNameValid |
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172 // ---------------------------------------------------------------------------- |
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173 // |
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174 EXPORT_C TBool RsfwMountUtils::IsFriendlyNameValid(const TDesC& aFriendlyName) |
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175 { |
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176 TInt err; |
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177 TBool retValue = ETrue; |
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178 RFs fsSession; |
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179 err = fsSession.Connect(); |
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180 if (err) |
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181 { |
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182 return retValue; |
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183 } |
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184 retValue = fsSession.IsValidName(aFriendlyName); |
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185 fsSession.Close(); |
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186 |
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187 // Some names are acceptable by RFs.IsValidName(), |
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188 // but not acceptable by RFs.SetDriveName() |
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189 // Those are checked below: |
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190 |
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191 // solely period characters ( e.g. "...") |
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192 if (retValue) |
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193 { |
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194 retValue = EFalse; |
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195 TChar period(46); // period (".") character |
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196 TInt i; |
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197 for (i = 0; i < aFriendlyName.Length(); i++) |
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198 { |
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199 if (aFriendlyName[i] != period) |
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200 { |
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201 retValue = ETrue; |
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202 break; |
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203 } |
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204 } |
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205 } |
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206 |
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207 // period as the last character ( e.g. "myDrive.") |
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208 if (retValue) |
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209 { |
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210 TChar period(46); // period (".") character |
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211 TInt nameLength = aFriendlyName.Length(); |
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212 if (nameLength > 0 && aFriendlyName[nameLength-1] == period) |
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213 { |
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214 retValue = EFalse; |
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215 } |
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216 } |
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217 |
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218 return retValue; |
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219 } |
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220 |
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221 // ---------------------------------------------------------------------------- |
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222 // RsfwMountUtils::IsDriveAddressValid |
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223 // ---------------------------------------------------------------------------- |
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224 // |
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225 EXPORT_C TBool RsfwMountUtils::IsDriveAddressValid(const TDesC8& aDriveAddress) |
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226 { |
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227 // extract the protocol |
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228 TInt err; |
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229 TUriParser8 parser; |
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230 err = parser.Parse(aDriveAddress); |
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231 if (err) |
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232 { |
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233 return EFalse; |
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234 } |
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235 TPtrC8 protocol = parser.Extract(EUriScheme); |
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236 |
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237 |
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238 TBuf8<KMaxMatchStringSize> matchString; |
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239 _LIT8(KRemoteMatchPrefix, "remoteaccess/"); |
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240 matchString.Copy(KRemoteMatchPrefix); |
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241 |
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242 // Both "http" and "https" are handled by davaccess module |
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243 _LIT8(KHttps, "https"); |
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244 if (protocol.Compare(KHttps) == 0) |
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245 { |
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246 _LIT8(KHttp, "http"); |
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247 matchString.Append(KHttp); |
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248 } |
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249 else |
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250 { |
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251 matchString.Append(protocol); |
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252 } |
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253 TEComResolverParams resolverParams; |
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254 resolverParams.SetDataType(matchString); |
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255 // Disable wildcard matching |
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256 resolverParams.SetWildcardMatch(EFalse); |
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257 |
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258 |
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259 // check whether there is a remote access plugin implementation for that protocol |
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260 RImplInfoPtrArray implinfo; |
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261 TRAP(err, REComSession::ListImplementationsL( |
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262 KCRemoteAccessUid, |
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263 resolverParams, |
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264 implinfo)); |
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265 |
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266 if (err != KErrNone) |
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267 { |
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268 // if fetching the list of implemenations fail,' |
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269 // (for example a temporary out of memory situation) |
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270 // just accept the string |
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271 return ETrue; |
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272 } |
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273 |
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274 // we assume that protocol used for remote access |
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275 // represents hierarchical relationships within the namespace. This |
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276 // "generic URI" syntax consists of a sequence of four main components: |
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277 // <scheme>://<authority><path>?<query> |
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278 // check that scheme is followed by "://" |
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279 _LIT8(KDelimiter, "://"); |
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280 if (aDriveAddress.Length() < protocol.Length()+3) |
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281 { |
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282 return EFalse; |
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283 } |
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284 |
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285 TPtrC8 test = aDriveAddress.Mid(protocol.Length(), 3); |
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286 if (!(test.Compare(KDelimiter) == 0)) |
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287 { |
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288 return EFalse; |
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289 } |
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290 |
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291 TInt count = implinfo.Count(); |
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292 implinfo.ResetAndDestroy(); |
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293 if (count > 0) |
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294 { |
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295 return ETrue; |
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296 } |
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297 else |
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298 { |
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299 return EFalse; |
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300 } |
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301 } |
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302 |
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303 // ---------------------------------------------------------------------------- |
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304 // RsfwMountUtils::ParseLineL |
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305 // ---------------------------------------------------------------------------- |
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306 // |
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307 void RsfwMountUtils::ParseLineL(const TDesC& aLine, |
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308 CRsfwMountEntry& aEntry) |
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309 { |
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310 TLex lex(aLine); |
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311 // Extract Line i.e "leftToken:RightToken<LF>", then asign to TLex object |
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312 while (lex.Peek() != ':' && lex.Peek() != '\n' && !lex.Eos()) |
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313 { |
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314 lex.Inc(); |
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315 } |
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316 |
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317 // We are only interested in lines containing a colon delimeter ':' |
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318 // other text lines are ignored i.e "Welcome !<LF>" |
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319 if(lex.Peek() != ':') |
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320 { |
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321 // It was not a name value pair |
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322 return; |
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323 } |
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324 if (lex.TokenLength() == 0) |
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325 { |
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326 User::Leave(KErrNotFound); |
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327 } |
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328 // Get the keyword |
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329 HBufC* keyWord = lex.MarkedToken().AllocLC(); |
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330 // Go past the ':' |
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331 lex.Inc(); |
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332 lex.SkipSpaceAndMark(); |
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333 while (lex.Peek() != '\n' && lex.Peek() != '\r' && !lex.Eos()) |
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334 { |
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335 lex.Inc(); |
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336 } |
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337 |
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338 TInt i; |
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339 // Keyword matching |
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340 // password is the last possible entry that is transferred |
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341 for (i = EMountEntryItemName; i < EMountEntryItemPassword + 1; i++) |
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342 { |
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343 if (GetKeyWord(i).Compare(*keyWord) == 0) |
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344 { |
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345 aEntry.SetItemL(i, lex.MarkedToken()); |
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346 } |
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347 } |
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348 CleanupStack::PopAndDestroy(keyWord); |
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349 } |
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350 |
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351 // ---------------------------------------------------------------------------- |
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352 // RsfwMountUtils::GetKeyWord |
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353 // ---------------------------------------------------------------------------- |
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354 // |
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355 const TDesC& RsfwMountUtils::GetKeyWord(TInt iItem) |
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356 { |
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357 switch (iItem) |
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358 { |
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359 case EMountEntryItemName: |
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360 return KKId; |
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361 |
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362 case EMountEntryItemDrive: |
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363 return KKDrive; |
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364 |
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365 case EMountEntryItemUri: |
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366 return KKUri; |
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367 |
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368 case EMountEntryItemUserName: |
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369 return KKUserName; |
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370 |
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371 case EMountEntryItemPassword: |
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372 return KKPassword; |
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373 |
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374 default: |
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375 return KKId; |
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376 } |
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377 } |
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378 // End of File |
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