1 /* 2 * Copyright (C) 2007 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 #ifndef __DCF_CONTAINER_H__ 18 #define __DCF_CONTAINER_H__ 19 20 #include <Drm2CommonTypes.h> 21 #include <uvector.h> 22 #include <dcf/DrmIStream.h> 23 #include <dcf/DrmDcfCommon.h> 24 25 class DrmInStream; 26 27 /////////dcf container 28 class DcfContainer : public FullBox 29 { 30 public: 31 friend class DrmInStream; 32 33 /** default constructor of DcfContainer */ DcfContainer(istream & inRawData)34 DcfContainer(istream& inRawData):FullBox(NULL),mConStream(inRawData){} 35 36 /** 37 * constructor for DcfContainer, used to parse DCF container 38 * \param data DCF container data 39 * \param len DCF container data len 40 * \param off the offset from the start of DCF container 41 */ 42 DcfContainer(const uint8_t* data,istream& inRawData,uint64_t conOff); 43 44 /** Destructor for DcfContainer */ 45 ~DcfContainer(); 46 47 /** 48 * get the content type of one content 49 * \param none 50 * \return 51 * the content type 52 */ 53 string getContentType(void) const; 54 55 /** 56 * get the encryption method apply to content 57 * \param none 58 * \return 59 * the encryption method 60 */ 61 uint8_t getEncryptionMethod(void) const; 62 63 /** 64 * get the padding scheme apply to content 65 * \param none 66 * \return 67 * the padding scheme 68 */ 69 uint8_t getPaddingScheme(void) const; 70 71 /** 72 * get the length of plain content 73 * \param none 74 * \return 75 * the length of plain content 76 */ 77 uint64_t getPlaintextLength(void) const; 78 79 /** 80 * get the length of content ID 81 * \param none 82 * \return 83 * the length of content ID 84 */ 85 uint16_t getContentIDLength(void) const; 86 87 /** 88 * get the length of rights issuer URL 89 * \param none 90 * \return 91 * the length of rights issuer URL 92 */ 93 uint16_t getRightsIssuerURLLength(void) const; 94 95 /** 96 * get the length of textal header 97 * \param none 98 * \return 99 * the length of textal header 100 */ 101 uint16_t getTextualHeadersLength(void) const; 102 103 /** 104 * get the content ID of one content 105 * \param none 106 * \return 107 * the content ID 108 */ 109 string getContentID(void) const; 110 111 /** 112 * get the rights issuer URL 113 * \param none 114 * \return 115 * the rights issuer URL 116 */ 117 string getRightsIssuerURL(void) const; 118 119 /** 120 * get the preview method 121 * \param none 122 * \return 123 * the preview method 124 */ 125 string getPreviewMethod(void) const; 126 127 /** 128 * get the location of content 129 * \param none 130 * \return 131 * the location of content 132 */ 133 string getContentLocation(void) const; 134 135 /** 136 * get the URL of content 137 * \param none 138 * \return 139 * the URL of content 140 */ 141 string getContentURL(void) const; 142 143 /** 144 * get the customer head 145 * \param none 146 * \return 147 * the customer head 148 */ 149 vector<string> getCustomerHead(void) const; 150 151 /** 152 * get the preview element data 153 * \param none 154 * \return 155 * the DRM Instream of preview element data 156 */ 157 DrmInStream getPreviewElementData(void) const; 158 159 /** 160 * get the plain content 161 * \param none 162 * \return 163 * the DRM Instream of plain content 164 */ 165 DrmInStream getDecryptContent(uint8_t* decryptKey) const; 166 167 /** 168 * get the istream of DCF 169 * \param none 170 * \return 171 * the istream of DCF 172 */ 173 istream& getStream(void) const; 174 175 PRIVATE: 176 static const uint32_t USER_DATA_FLAG = 0x01; 177 178 uint8_t mContentTypeLen; 179 string mContentType; 180 uint8_t mEncryptionMethod; 181 uint8_t mPaddingScheme; 182 uint64_t mPlaintextLength; 183 uint16_t mContentIDLength; 184 uint16_t mRightsIssuerURLLength; 185 uint16_t mTextualHeadersLength; 186 string mContentID; 187 string mRightsIssuerURL; 188 vector<TextualHeader*> mTextualHeaders; 189 bool mSilentFirst; 190 string mSlientMethod; 191 string mSilentRightsURL; 192 string mPreviewMethod; 193 string mPreviewElementURI; 194 string mPreviewRightsURL; 195 string mContentURL; 196 string mContentVersion; 197 string mContentLocation; 198 vector<string> mCustomHeader; 199 bool mHasUserData; 200 uint64_t mDataLen; 201 istream& mConStream; 202 uint64_t mDecOffset; 203 204 PRIVATE: 205 // parse text header 206 bool parseTextualHeaders(const uint8_t* data, uint32_t len); 207 void copy(const DcfContainer& container); DcfContainer(const DcfContainer & container)208 DcfContainer(const DcfContainer& container):FullBox(NULL),mConStream(container.mConStream){} 209 DcfContainer& operator=(const DcfContainer& other){return *this;} 210 }; 211 212 213 #endif 214