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1 /* |
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2 * Copyright (c) 2002-2005 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 #include "PolicyMerger.h" |
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22 |
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23 #include <XmlEngDdom.h> |
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24 #include "wssecuritypolicy.h" |
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25 #include "WSPolicy.h" |
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26 |
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27 using namespace WSPolicy; |
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28 |
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29 CPolicyMerger* CPolicyMerger::NewL() |
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30 { |
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31 CPolicyMerger* pSelf = |
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32 CPolicyMerger::NewLC(); |
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33 CleanupStack::Pop(pSelf); |
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34 return pSelf; |
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35 } |
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36 CPolicyMerger* CPolicyMerger::NewLC() |
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37 { |
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38 CPolicyMerger* pSelf = new (ELeave) CPolicyMerger(); |
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39 CleanupStack::PushL(pSelf); |
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40 pSelf->ConstructL(); |
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41 return pSelf; |
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42 } |
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43 void CPolicyMerger::ConstructL() |
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44 { |
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45 iSecurityPolicyDomain = CWsSecurityPolicy::NewL(); |
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46 } |
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47 CPolicyMerger::~CPolicyMerger() |
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48 { |
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49 iPolicy1.Close(); |
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50 iPolicy2.Close(); |
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51 |
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52 delete iSecurityPolicyDomain; |
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53 |
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54 } |
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55 CPolicyMerger::CPolicyMerger() |
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56 { |
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57 |
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58 } |
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59 |
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60 TXmlEngElement CPolicyMerger::MergeL(TDesC& /*aFirstPolicy*/, TDesC& /*aSecondPolicy*/) |
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61 { |
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62 /* |
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63 TDOMImplementation domImpl = XmlEngine::DOM::DOMImplementationSource::DOMImplementationL (XmlEngine::DOM::KImplementationID); |
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64 RDOMParser parser = domImpl.CreateDOMParser(); |
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65 |
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66 iPolicy1 = parser.ParseFileL( aFirstPolicy ); |
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67 iPolicy2 = parser.ParseFileL( aSecondPolicy ); |
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68 |
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69 TXmlEngElement& pPolicy1 = iPolicy1.AsElement(); |
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70 TXmlEngElement& pPolicy2 = iPolicy2.AsElement(); |
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71 |
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72 TXmlEngElement result = MergeL(pPolicy1,pPolicy2); |
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73 |
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74 return result; |
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75 */ |
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76 return NULL; |
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77 } |
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78 |
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79 |
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80 TXmlEngElement CPolicyMerger::MergeL(TXmlEngElement aFirstPolicy, TXmlEngElement aSecondPolicy) |
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81 { |
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82 RXmlEngDocument mergedPolicyDoc = aFirstPolicy.OwnerDocument().CloneDocumentL(); |
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83 TXmlEngElement& newIntersectedPolicy = mergedPolicyDoc.AsElement(); |
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84 |
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85 RXmlEngNodeList<TXmlEngElement> listPolicynew; |
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86 newIntersectedPolicy.GetChildElements(listPolicynew); //get the children of policy |
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87 |
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88 if(listPolicynew.HasNext()) |
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89 { |
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90 iMergedPolicyElement = listPolicynew.Next(); |
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91 iMergedPolicyElement.RemoveChildren(); |
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92 } |
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93 |
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94 RXmlEngNodeList<TXmlEngElement> listPolicyFirst; |
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95 aFirstPolicy.GetChildElements(listPolicyFirst); //get the children of policy |
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96 |
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97 RXmlEngNodeList<TXmlEngElement> listPolicySecond; |
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98 aSecondPolicy.GetChildElements(listPolicySecond); //get the children of policy |
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99 |
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100 TXmlEngElement XOR = iMergedPolicyElement.AddNewElementSameNsL(WSPolicy::KXorCompositeAssertion); |
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101 |
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102 |
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103 if(listPolicyFirst.HasNext() && listPolicySecond.HasNext()) |
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104 { |
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105 TXmlEngElement policyElement = listPolicyFirst.Next(); |
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106 TPtrC8 localName = policyElement.TagName(); |
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107 |
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108 RXmlEngNodeList<TXmlEngElement> xorList; //get the only xor element |
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109 policyElement.GetElementsByTagNameL(xorList, WSPolicy::KXorCompositeAssertion, WSPolicy::KWsPolicyNsUri); |
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110 TXmlEngElement pXORFirst = NULL; |
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111 |
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112 if(xorList.HasNext()) |
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113 pXORFirst = xorList.Next(); |
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114 //get all AND elements from the above xor. |
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115 |
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116 RXmlEngNodeList<TXmlEngElement> andListFirst; //get the only xor element from First Policy |
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117 pXORFirst.GetElementsByTagNameL(andListFirst, WSPolicy::KAndCompositeAssertion, WSPolicy::KWsPolicyNsUri); |
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118 |
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119 |
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120 |
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121 //second policy |
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122 TXmlEngElement policyElementSec = listPolicySecond.Next(); |
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123 |
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124 TPtrC8 localName2 = policyElementSec.TagName(); |
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125 |
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126 |
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127 RXmlEngNodeList<TXmlEngElement> xorListSec; //get the only xor element |
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128 policyElementSec.GetElementsByTagNameL(xorListSec, WSPolicy::KXorCompositeAssertion, WSPolicy::KWsPolicyNsUri); |
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129 TXmlEngElement pXORSec = NULL; |
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130 |
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131 if(xorListSec.HasNext()) |
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132 pXORSec = xorListSec.Next(); |
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133 //we have to get all AND elements from the above xor. we will do it in loop |
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134 |
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135 |
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136 while (andListFirst.HasNext()) |
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137 { |
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138 TXmlEngElement AND = XOR.AddNewElementSameNsL(WSPolicy::KAndCompositeAssertion); |
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139 |
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140 TXmlEngElement andEleF = andListFirst.Next(); |
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141 |
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142 TPtrC8 localName = andEleF.TagName(); |
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143 //find all assertions in this AND element |
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144 |
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145 |
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146 MergeCompareSecondAssertionsL(andEleF, pXORSec, AND); |
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147 } |
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148 |
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149 } |
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150 |
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151 return XOR; |
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152 } |
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153 |
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154 |
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155 TXmlEngElement CPolicyMerger::MergeCompareSecondAssertionsL(TXmlEngElement aFirstElement, TXmlEngElement aSecondElement, TXmlEngElement aIntersectedAND) |
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156 { |
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157 |
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158 RXmlEngNodeList<TXmlEngElement> assertionListF; //get all of first assrtions |
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159 aFirstElement.GetChildElements(assertionListF); |
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160 |
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161 RXmlEngNodeList<TXmlEngElement> andListSec; //get all of AND elements |
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162 aSecondElement.GetElementsByTagNameL(andListSec, WSPolicy::KAndCompositeAssertion, WSPolicy::KWsPolicyNsUri); |
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163 |
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164 RArray<TXmlEngElement> result; |
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165 while(andListSec.HasNext()) |
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166 { |
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167 //for every of AND element, loop for every AND element in first policy |
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168 TXmlEngElement andEleS = andListSec.Next(); |
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169 |
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170 TPtrC8 localNameS = andEleS.TagName(); |
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171 //find all assertions in this AND element |
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172 |
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173 RXmlEngNodeList<TXmlEngElement> assertionListS; //get the only xor element |
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174 andEleS.GetChildElements(assertionListS); |
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175 //RESOLVE all assertion from same AND element |
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176 |
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177 MergeAllANDAssertionsL(aFirstElement, andEleS, result); |
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178 if(result.Count() > 0) |
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179 { |
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180 for (TInt i = 0; i<result.Count(); i++) |
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181 { |
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182 TXmlEngElement resultEle = result[i].CopyL(); |
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183 aIntersectedAND.AppendChildL(resultEle); |
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184 } |
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185 result.Reset(); |
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186 } |
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187 //if result then we have merged policy else we have NULL here |
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188 |
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189 } |
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190 return NULL; |
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191 } |
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192 |
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193 void CPolicyMerger::MergeAllANDAssertionsL(TXmlEngElement aFirstElement, TXmlEngElement aSecondElement, RArray<TXmlEngElement>& aResult) |
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194 { |
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195 TInt outcount = 0; |
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196 TInt inCount = 0; |
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197 |
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198 RXmlEngNodeList<TXmlEngElement> assertionListF; //get all of first assrtions |
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199 aFirstElement.GetChildElements(assertionListF); |
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200 |
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201 while (assertionListF.HasNext()) |
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202 { |
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203 TXmlEngElement assertionFirst = assertionListF.Next(); |
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204 |
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205 TPtrC8 localName1 = assertionFirst.TagName(); |
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206 outcount++; |
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207 |
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208 RXmlEngNodeList<TXmlEngElement> assertionListS; //get all of AND elements |
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209 aSecondElement.GetChildElements(assertionListS); |
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210 |
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211 while(assertionListS.HasNext()) |
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212 { |
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213 TXmlEngElement assertionSecond = assertionListS.Next(); |
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214 |
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215 TPtrC8 localName2 = assertionSecond.TagName(); |
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216 inCount++; |
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217 if((localName1.Compare(localName2) == 0) && |
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218 VerifyNamespace(assertionFirst, assertionSecond)) |
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219 { |
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220 //call domain specific policy to resolve |
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221 //check the namespaces here to find which domain we need to process |
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222 //both namespaces should be checked and if they are same then we can intersect them |
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223 TPtrC8 namespaceUri1 = assertionFirst.NamespaceUri(); |
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224 //if its ws security policy |
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225 if(namespaceUri1.Compare(KWsSecurityPolicyNsUri) == 0) |
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226 { |
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227 /* |
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228 TXmlEngElement result = iSecurityPolicyDomain->Merge(localName1, assertionFirst, assertionSecond); |
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229 if(result.NotNull()) |
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230 { |
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231 aResult.Append(result); |
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232 } |
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233 else |
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234 { |
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235 aResult.Append(assertionFirst); |
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236 aResult.Append(assertionSecond); |
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237 } |
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238 */ |
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239 } |
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240 } |
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241 } |
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242 |
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243 } |
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244 |
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245 } |
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246 |
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247 TInt CPolicyMerger::VerifyNamespace(TXmlEngElement aFirstElement, TXmlEngElement aSecondElement) |
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248 { |
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249 TPtrC8 namespaceUri1 = aFirstElement.NamespaceUri(); |
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250 TPtrC8 namespaceUri2 = aSecondElement.NamespaceUri(); |
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251 |
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252 if(namespaceUri1 != KNullDesC8() && namespaceUri2 != KNullDesC8()) |
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253 { |
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254 if(namespaceUri1.Compare(namespaceUri2) == 0) |
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255 return ETrue; |
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256 } |
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257 |
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258 return KErrNotFound; |
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259 } |