102 lines
4.2 KiB
C
102 lines
4.2 KiB
C
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/*
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* Copyright (C) 2007 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#ifndef __PARSER_DM_H__
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#define __PARSER_DM_H__
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#ifdef __cplusplus
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extern "C" {
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#endif
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#include <drm_common_types.h>
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#define MAX_CONTENT_TYPE_LEN 64
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#define MAX_CONTENT_ID 256
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#define MAX_CONTENT_BOUNDARY_LEN 256
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#define MAX_RIGHTS_ISSUER_LEN 256
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#define DRM_MIME_TYPE_RIGHTS_XML "application/vnd.oma.drm.rights+xml"
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#define DRM_MIME_TYPE_CONTENT "application/vnd.oma.drm.content"
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#define HEADERS_TRANSFER_CODING "Content-Transfer-Encoding:"
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#define HEADERS_CONTENT_TYPE "Content-Type:"
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#define HEADERS_CONTENT_ID "Content-ID:"
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#define TRANSFER_CODING_TYPE_7BIT "7bit"
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#define TRANSFER_CODING_TYPE_8BIT "8bit"
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#define TRANSFER_CODING_TYPE_BINARY "binary"
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#define TRANSFER_CODING_TYPE_BASE64 "base64"
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#define DRM_UID_TYPE_FORWORD_LOCK "forwardlock"
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#define DRM_NEW_LINE_CRLF "\r\n"
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#define HEADERS_TRANSFER_CODING_LEN 26
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#define HEADERS_CONTENT_TYPE_LEN 13
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#define HEADERS_CONTENT_ID_LEN 11
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#define DRM_MESSAGE_CODING_7BIT 0 /* default */
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#define DRM_MESSAGE_CODING_8BIT 1
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#define DRM_MESSAGE_CODING_BINARY 2
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#define DRM_MESSAGE_CODING_BASE64 3
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#define DRM_B64_DEC_BLOCK 3
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#define DRM_B64_ENC_BLOCK 4
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typedef struct _T_DRM_DM_Info {
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uint8_t contentType[MAX_CONTENT_TYPE_LEN]; /**< Content type */
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uint8_t contentID[MAX_CONTENT_ID]; /**< Content ID */
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uint8_t boundary[MAX_CONTENT_BOUNDARY_LEN]; /**< DRM message's boundary */
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uint8_t deliveryType; /**< The Delivery type */
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uint8_t transferEncoding; /**< Transfer encoding type */
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int32_t contentOffset; /**< The offset of the media content from the original DRM data */
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int32_t contentLen; /**< The length of the media content */
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int32_t rightsOffset; /**< The offset of the rights object in case of combined delivery */
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int32_t rightsLen; /**< The length of the rights object in case of combined delivery */
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uint8_t rightsIssuer[MAX_RIGHTS_ISSUER_LEN];/**< The rights issuer address in case of separate delivery */
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} T_DRM_DM_Info;
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/**
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* Search the string in a limited length.
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*
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* \param str The original string
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* \param strSearch The sub-string to be searched
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* \param len The length limited
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*
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* \return
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* -NULL, when there is not the searched string in length
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* -The pointer of this sub-string
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*/
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const uint8_t* drm_strnstr(const uint8_t* str, const uint8_t* strSearch, int32_t len);
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/**
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* Parse the DRM message format data.
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*
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* \param buffer (in)Input the DRM message format data
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* \param bufferLen (in)The input buffer length
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* \param pDmInfo (out)A structure pointer which contain information of DRM message headers
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*
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* \return
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* -TRUE, when success
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* -FALSE, when failed
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*/
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int32_t drm_parseDM(const uint8_t* buffer, int32_t bufferLen, T_DRM_DM_Info* pDmInfo);
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#ifdef __cplusplus
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}
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#endif
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#endif /* __PARSER_DM_H__ */
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