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1 /* |
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2 * Copyright (c) 2008 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: |
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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 |
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20 |
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21 |
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22 |
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23 |
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24 |
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25 |
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26 // INCLUDE FILES |
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27 #include <hash.h> |
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28 #include <e32math.h> |
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29 #include "wsoviutils.h" |
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30 #include "wsovicons.h" |
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31 #include "sencryptoutils.h" |
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32 |
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33 HBufC8* CWSOviUtils::NormalizeStringLC(const TDesC8& aMethod, const TDesC8& aUrl, const TDesC8& aHeader ) |
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34 { |
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35 |
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36 |
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37 TInt methodLen = aMethod.Length(); |
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38 TInt urlLen = aUrl.Length() + KHexWidth*CountCharsToEncode(aUrl); |
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39 TInt headerLen = aHeader.Length() + KHexWidth*CountCharsToEncode(aHeader); |
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40 TInt normalizedStringLen = methodLen + OAuth::KAmpMark().Length() + urlLen + OAuth::KAmpMark().Length() + headerLen; |
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41 |
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42 HBufC8* pNormalizedString = HBufC8::NewLC(normalizedStringLen); |
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43 |
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44 HBufC8* method = aMethod.AllocLC(); |
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45 method->Des().UpperCase(); |
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46 pNormalizedString->Des().Append(*method); |
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47 pNormalizedString->Des().Append(OAuth::KAmpMark()); |
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48 |
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49 HBufC8* urlLowercase = aUrl.AllocLC(); |
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50 _LIT8(KSlash,"/"); |
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51 _LIT8(KDoubleSlash,"//"); |
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52 _LIT8(KQuestionMark,"?"); |
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53 TInt posStart = urlLowercase->Find(KDoubleSlash) + KDoubleSlash().Length(); |
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54 TInt posEnd = urlLowercase->Mid(posStart).Find(KSlash); |
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55 if(posEnd == KErrNotFound) |
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56 { |
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57 urlLowercase->Des().LowerCase(); |
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58 } |
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59 else |
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60 { |
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61 urlLowercase->Des().LeftTPtr(posEnd).LowerCase(); |
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62 } |
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63 TPtr8 urlLowercaseBase(urlLowercase->Des()); |
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64 |
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65 //cut query & fragment, see http://oauth.net/core/1.0/ (9.1.2. Construct Request URL) |
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66 posEnd = urlLowercase->Find(KQuestionMark); |
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67 if(posEnd != KErrNotFound) |
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68 { |
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69 urlLowercaseBase.Set(urlLowercase->Des().LeftTPtr(posEnd)); |
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70 } |
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71 |
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72 |
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73 HBufC8* url = EncodeCharsLC(urlLowercaseBase); |
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74 pNormalizedString->Des().Append(*url); |
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75 CleanupStack::PopAndDestroy(url); |
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76 CleanupStack::PopAndDestroy(urlLowercase); |
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77 pNormalizedString->Des().Append(OAuth::KAmpMark()); |
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78 |
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79 HBufC8* header = EncodeCharsLC(aHeader); |
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80 pNormalizedString->Des().Append(*header); |
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81 CleanupStack::PopAndDestroy(header); |
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82 CleanupStack::PopAndDestroy(method); |
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83 |
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84 return pNormalizedString; |
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85 } |
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86 |
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87 HBufC8* CWSOviUtils::DigestAuthStringL(const TDesC8& aNonce, const TDesC8& aTimestamp, const TDesC8& aUser, const TDesC8& aPassword) |
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88 { |
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89 _LIT8(KFormatUser, "/accounts/%S/"); |
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90 HBufC8* validatorString = HBufC8::NewLC(KFormatUser().Length()+aUser.Length()); |
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91 TPtr8 validatorPtr = validatorString->Des(); |
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92 validatorPtr.Format(KFormatUser,&aUser); |
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93 CSHA1* sha1 = CSHA1::NewL(); |
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94 sha1->Update(*validatorString); |
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95 TPtrC8 validator = sha1->Final(aPassword); |
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96 CleanupStack::PopAndDestroy(validatorString); |
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97 CleanupStack::PushL(sha1); |
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98 HBufC8* base64validator = SenCryptoUtils::EncodeBase64L(validator); |
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99 sha1->Reset(); |
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100 sha1->Update(aNonce); |
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101 sha1->Update(aTimestamp); |
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102 TPtrC8 digest = sha1->Final(*base64validator); |
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103 delete base64validator; |
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104 HBufC8* digestBase64 = SenCryptoUtils::EncodeBase64L(digest); |
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105 CleanupStack::PopAndDestroy(sha1); |
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106 return digestBase64; |
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107 } |
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108 |
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109 |
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110 TInt CWSOviUtils::CountCharsToEncode(const TDesC8& aString) |
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111 { |
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112 const TUint8* ref=NULL; |
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113 const TUint8 charLen = 1; |
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114 TUint count(0); |
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115 TPtrC8 unreserveChars(OAuth::KUnReserveChars); |
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116 TUint strLen = aString.Length(); |
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117 |
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118 ref=aString.Ptr(); |
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119 for(TInt i=0; i<strLen; i++) |
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120 { |
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121 if(unreserveChars.Find(ref, charLen) < 0) |
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122 count++; |
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123 ref+=1; |
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124 } |
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125 |
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126 return count; |
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127 } |
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128 |
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129 HBufC8* CWSOviUtils::EncodeCharsLC(const TDesC8& aString) |
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130 { |
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131 TInt len = aString.Length(); |
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132 TInt encodedLength = aString.Length() + KHexWidth*CountCharsToEncode(aString); |
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133 const TUint8* ref=NULL; |
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134 TPtrC8 unreserveChars(OAuth::KUnReserveChars); |
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135 ref=aString.Ptr(); |
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136 |
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137 HBufC8* pEncoded = HBufC8::NewLC(encodedLength); |
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138 TPtr8 buf = pEncoded->Des(); |
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139 |
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140 for (TInt i = 0; i < len; i++) |
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141 { |
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142 if(unreserveChars.Find(ref, KCharWidth) < 0) |
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143 { |
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144 TBuf8<2> charcode; |
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145 buf.Append(OAuth::KPercent); |
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146 charcode.AppendNumFixedWidth(aString[i], EHex, KHexWidth); |
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147 charcode.UpperCase(); |
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148 buf.Append(charcode); |
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149 } |
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150 else |
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151 { |
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152 buf.Append(&aString[i], KCharWidth); |
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153 } |
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154 ref+=1; |
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155 } |
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156 |
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157 return pEncoded; |
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158 } |
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159 |
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160 HBufC8* CWSOviUtils::FormEncodeCharsLC(const TDesC8& aString) |
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161 { |
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162 TInt len = aString.Length(); |
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163 TInt encodedLength = aString.Length() + KHexWidth*CountCharsToEncode(aString); |
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164 const TUint8* ref=NULL; |
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165 TPtrC8 unreserveChars(OAuth::KUnReserveChars); |
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166 ref=aString.Ptr(); |
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167 |
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168 HBufC8* pEncoded = HBufC8::NewLC(encodedLength); |
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169 TPtr8 buf = pEncoded->Des(); |
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170 |
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171 for (TInt i = 0; i < len; i++) |
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172 { |
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173 if(unreserveChars.Find(ref, KCharWidth) < 0) |
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174 { |
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175 if (*ref == KSpaceChar) |
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176 { |
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177 buf.Append('+'); |
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178 } |
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179 else{ |
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180 TBuf8<2> charcode; |
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181 buf.Append(OAuth::KPercent); |
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182 charcode.AppendNumFixedWidth(aString[i], EHex, KHexWidth); |
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183 charcode.UpperCase(); |
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184 buf.Append(charcode); |
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185 } |
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186 } |
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187 else |
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188 { |
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189 buf.Append(&aString[i], KCharWidth); |
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190 } |
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191 ref+=1; |
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192 } |
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193 |
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194 return pEncoded; |
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195 } |