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1 /* |
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2 * Copyright (c) 2006-2009 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 the License "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 @file |
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23 @publishedPartner |
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24 @released |
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25 */ |
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26 |
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27 #ifndef CMSCONTENTINFO_H |
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28 #define CMSCONTENTINFO_H |
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29 |
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30 #include "cmsdefs.h" |
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31 |
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32 class CASN1EncSequence; |
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33 |
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34 /** |
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35 The RFC2630 EncapsulatedContentInfo entity. |
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36 This class provides details about the Content Type in the Content Info, |
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37 provides access to the Content Data when the Content Type is Data and |
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38 provides access to the entire ContentInfo sequence. |
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39 */ |
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40 class CEncapsulatedContentInfo : public CBase |
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41 { |
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42 public: |
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43 |
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44 /** |
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45 * @internalComponent |
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46 * |
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47 * Creates an EncapsulatedContentInfo as defined in RFC2630. |
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48 * @param aRawData the encoded encapsulated data. |
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49 * @return The fully constructed object |
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50 **/ |
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51 static CEncapsulatedContentInfo* NewL(const TDesC8& aRawData); |
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52 |
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53 /** |
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54 * @internalComponent |
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55 * |
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56 * Creates an EncapsulatedContentInfo as defined in RFC2630, and leaves the instance on the cleanup stack. |
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57 * @param aRawData The encoded encapsulated data. |
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58 * @return The fully constructed object. |
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59 **/ |
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60 static CEncapsulatedContentInfo* NewLC(const TDesC8& aRawData); |
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61 |
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62 /** |
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63 * @internalComponent |
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64 * |
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65 * Creates an EncapsulatedContentInfo as defined in RFC2630. |
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66 * @param aContentInfoType The type of the encapsulated content. |
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67 * @param aIsEContentDataPresent Indicates whether the encapsulated data is present. |
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68 * @param aContentData The encapsulated data. |
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69 * @return The fully constructed object. |
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70 **/ |
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71 static CEncapsulatedContentInfo* NewL(TCmsContentInfoType aContentInfoType, TBool aIsEContentDataPresent, const TDesC8& aContentData); |
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72 |
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73 /** |
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74 * @internalComponent |
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75 * |
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76 * Creates an EncapsulatedContentInfo as defined in RFC2630, and leaves the instance on the cleanup stack. |
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77 * @param aContentInfoType The type of the encapsulated content. |
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78 * @param aIsEContentDataPresent Indicates whether the encapsulated data is present. |
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79 * @param aContentData The encapsulated data. |
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80 * @return The fully constructed object |
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81 **/ |
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82 static CEncapsulatedContentInfo* NewLC(TCmsContentInfoType aContentInfoType, TBool aIsEContentDataPresent, const TDesC8& aContentData); |
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83 |
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84 /** |
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85 * @internalComponent |
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86 * |
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87 * Creates the DER sequence of the ContentInfo and leaves the DER sequence on the cleanup stack. |
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88 * @return The ASN.1 sequence of the ContentInfo. |
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89 **/ |
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90 CASN1EncSequence* EncodeASN1DERLC() const; |
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91 |
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92 /** |
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93 Provides information about the ContentType in the ContentInfo sequence. |
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94 It returns the last number in the ObjectIdentifier. |
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95 @return The ContentType. This is: |
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96 |
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97 - 1 for Data |
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98 |
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99 - 2 for SignedData |
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100 |
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101 - 3 for EnvelopedData |
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102 |
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103 - 5 for DigestedData |
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104 |
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105 - 6 for EncryptedData |
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106 */ |
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107 IMPORT_C TCmsContentInfoType ContentType() const; |
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108 |
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109 /** |
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110 Returns whether the ContentInfo is present or not. |
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111 ContentData present in EncapsulatedContentInfo is OPTIONAL. |
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112 @return A boolean value that indicates whether or not the ContentInfo is present. |
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113 */ |
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114 IMPORT_C TBool IsContentDataPresent() const; |
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115 |
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116 /** |
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117 Provides access to the Content Data present in CMS. ContentData present |
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118 in EncapsulatedContentInfo is OPTIONAL. The client has to check for |
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119 data length 0 or if the data content is present in case there is no ContentData. |
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120 @return The ContentData. |
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121 */ |
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122 IMPORT_C const TPtrC8 ContentData() const; |
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123 |
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124 private: |
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125 /* |
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126 Constuctor and second phase constructor. |
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127 */ |
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128 CEncapsulatedContentInfo(); |
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129 CEncapsulatedContentInfo(TCmsContentInfoType aContentInfoType, TBool aIsEContentDataPresent, const TDesC8& aContentData); |
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130 void ConstructL(const TDesC8& aRawData); |
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131 |
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132 private: |
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133 /** |
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134 The Type of the ContentInfo |
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135 */ |
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136 TCmsContentInfoType iContentType; |
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137 |
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138 /** |
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139 Represents whether the Content is present or not. |
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140 */ |
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141 TBool iIsContentDataPresent; |
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142 |
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143 /** |
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144 The Content Data. |
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145 */ |
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146 TPtrC8 iContentData; |
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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 The RFC2630 ContentInfo entity. |
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152 This class provides details about the content type in the ContentInfo, |
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153 provides access to the content data when the content type is Data and |
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154 provides access to the entire ContentInfo sequence. |
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155 At present, only data content type and signed data type are supported. |
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156 */ |
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157 class CCmsContentInfo : public CBase |
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158 { |
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159 public: |
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160 /** |
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161 Creates a ContentInfo as defined in RFC2630. |
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162 @param aRawData The encoded encapsulated data. |
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163 @return The fully constructed object. |
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164 */ |
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165 IMPORT_C static CCmsContentInfo* NewL(const TDesC8& aRawData); |
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166 /** |
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167 Creates a ContentInfo as defined in RFC2630, |
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168 and leaves the instance on the cleanup stack. |
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169 @param aRawData The encoded encapsulated data. |
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170 @return The fully constructed object. |
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171 */ |
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172 IMPORT_C static CCmsContentInfo* NewLC(const TDesC8& aRawData); |
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173 |
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174 /** |
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175 Creates a ContentInfo as defined in RFC2630. |
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176 @param aContentInfoType The type of the encapsulated content. |
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177 @param aContentData The encapsulated data. |
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178 @return The fully constructed object. |
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179 */ |
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180 IMPORT_C static CCmsContentInfo* NewL(TCmsContentInfoType aContentInfoType, const TDesC8& aContentData); |
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181 |
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182 /** |
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183 Creates a ContentInfo as defined in RFC2630 and leaves the object on the cleanup stack. |
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184 @param aContentInfoType The type of the encapsulated content. |
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185 @param aContentData The encapsulated data. |
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186 @return The fully constructed object. |
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187 */ |
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188 IMPORT_C static CCmsContentInfo* NewLC(TCmsContentInfoType aContentInfoType, const TDesC8& aContentData); |
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189 |
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190 /** |
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191 Creates the DER sequence of the ContentInfo and leaves the DER sequence on the cleanup stack. |
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192 @return The ASN.1 sequence of the ContentInfo. |
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193 */ |
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194 IMPORT_C CASN1EncSequence* EncodeASN1DERLC() const; |
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195 |
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196 /** |
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197 Destructor |
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198 */ |
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199 IMPORT_C ~CCmsContentInfo(); |
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200 |
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201 /** |
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202 Provides the information about the ContentType in the ContentInfo sequence. |
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203 It returns the last number in the Object Identifier. |
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204 @return The ContentType. This is: |
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205 |
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206 - 1 for Data |
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207 |
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208 - 2 for SignedData |
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209 |
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210 - 3 for EnvelopedData |
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211 |
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212 - 5 for DigestedData |
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213 |
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214 - 6 for EncryptedData |
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215 */ |
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216 IMPORT_C TCmsContentInfoType ContentType() const; |
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217 |
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218 /** |
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219 Provides access to the content data. |
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220 @return The content data. |
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221 */ |
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222 IMPORT_C const TPtrC8 ContentData() const; |
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223 |
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224 |
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225 private: |
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226 /** |
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227 default constructor |
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228 */ |
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229 CCmsContentInfo(); |
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230 |
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231 /** |
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232 constructor to build the CMS content info from the given parameters |
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233 @param aContentInfoType the type of data contained in the CMS content info |
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234 @param aContentData the descriptor which contains the encoded CMS oject |
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235 */ |
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236 CCmsContentInfo(TCmsContentInfoType aContentInfoType, const TDesC8& aContentData); |
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237 |
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238 /** |
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239 constructor to build the CMS content info from the raw data. |
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240 @param aContentInfoType the type of data contained in the CMS content info |
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241 @param aContentData the descriptor which contains the encoded CMS oject |
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242 */ |
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243 void ConstructL(const TDesC8& aRawData); |
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244 |
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245 private: |
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246 /** |
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247 The Type of the ContentInfo |
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248 */ |
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249 TCmsContentInfoType iContentType; |
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250 |
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251 /** |
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252 The Content Data |
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253 */ |
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254 TPtrC8 iContentData; |
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255 }; |
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256 |
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257 #endif // CMSCONTENTINFO_H |