[6] | 1 | /**
|
---|
| 2 | * CRXHttpResponse.cpp
|
---|
| 3 | */
|
---|
| 4 | #ifdef _WIN32
|
---|
| 5 | # pragma warning (disable:4996)
|
---|
| 6 | #endif
|
---|
| 7 |
|
---|
| 8 | #include "CRXHttpResponse.h"
|
---|
| 9 |
|
---|
| 10 | #include <stdio.h>
|
---|
| 11 | #include <stdlib.h>
|
---|
[25] | 12 | #include <string.h>
|
---|
[6] | 13 |
|
---|
[24] | 14 | #define CRLF "\r\n"
|
---|
| 15 | #define CRLF2 "\r\n\r\n"
|
---|
| 16 |
|
---|
| 17 | #define CONTENT_LENGTH "Content-Length: "
|
---|
| 18 | #define TRANSFER_ENCODING "Transfer-Encoding: "
|
---|
| 19 |
|
---|
[6] | 20 | CRXHttpResponse::CRXHttpResponse (void)
|
---|
[24] | 21 | : mStatusCode (0),
|
---|
| 22 | mIsChunked (false),
|
---|
| 23 | mContentLength (0)
|
---|
[6] | 24 | {
|
---|
[26] | 25 | /*----------------------------------------------------------------*/
|
---|
[24] | 26 | memset (&mContent, 0x00, sizeof (mContent));
|
---|
[26] | 27 | /*----------------------------------------------------------------*/
|
---|
[6] | 28 | }
|
---|
| 29 |
|
---|
[24] | 30 | CRXHttpResponse::~CRXHttpResponse (void)
|
---|
| 31 | {
|
---|
[26] | 32 | /*----------------------------------------------------------------*/
|
---|
| 33 | Reset ();
|
---|
| 34 | /*----------------------------------------------------------------*/
|
---|
| 35 | }
|
---|
| 36 |
|
---|
| 37 | void
|
---|
| 38 | CRXHttpResponse::Reset (void)
|
---|
| 39 | {
|
---|
| 40 | /*----------------------------------------------------------------*/
|
---|
| 41 | ResetMessage ();
|
---|
[24] | 42 | ResetContent ();
|
---|
[26] | 43 | /*----------------------------------------------------------------*/
|
---|
[24] | 44 | }
|
---|
| 45 |
|
---|
[6] | 46 | void
|
---|
[24] | 47 | CRXHttpResponse::ResetContent (void)
|
---|
[6] | 48 | {
|
---|
[26] | 49 | /*----------------------------------------------------------------*/
|
---|
[24] | 50 | if (mContent.mBody)
|
---|
| 51 | free (mContent.mBody);
|
---|
| 52 |
|
---|
| 53 | memset (&mContent, 0x00, sizeof (mContent));
|
---|
[26] | 54 | /*----------------------------------------------------------------*/
|
---|
[6] | 55 | }
|
---|
| 56 |
|
---|
[24] | 57 | int
|
---|
| 58 | CRXHttpResponse::SetResponse (const char * aHttpResponse,
|
---|
| 59 | const int aResponseLength)
|
---|
[6] | 60 | {
|
---|
[24] | 61 | int aResult = 0;
|
---|
| 62 |
|
---|
| 63 | const char * aEndOfHeader = NULL;
|
---|
| 64 | std::string aHeader;
|
---|
| 65 |
|
---|
| 66 | int aHeaderLength = 0;
|
---|
| 67 |
|
---|
| 68 | /*----------------------------------------------------------------*/
|
---|
| 69 | if (aResponseLength <= 0)
|
---|
| 70 | return ERROR_HTTP_RESPONSE_INVALID_LENGTH;
|
---|
| 71 |
|
---|
| 72 | if (GetHeader ().length () == 0)
|
---|
| 73 | {
|
---|
| 74 | aEndOfHeader = strstr (aHttpResponse, CRLF2);
|
---|
| 75 | if (aEndOfHeader == NULL)
|
---|
| 76 | return ERROR_HTTP_RESPONSE_INVALID_FORMAT;
|
---|
| 77 |
|
---|
| 78 | aEndOfHeader += strlen (CRLF2);
|
---|
| 79 | aHeaderLength = aEndOfHeader - aHttpResponse;
|
---|
| 80 | aHeader.assign (aHttpResponse, aHeaderLength);
|
---|
| 81 |
|
---|
| 82 | SetMessage (aHeader.c_str ());
|
---|
| 83 | }
|
---|
| 84 |
|
---|
| 85 | aResult = ParseContent (aHttpResponse + aHeaderLength, aResponseLength - aHeaderLength);
|
---|
| 86 | if (aResult)
|
---|
| 87 | {
|
---|
| 88 | return ERROR_HTTP_RESPONSE_FAILED_TO_PARSE_CONTENT;
|
---|
| 89 | }
|
---|
| 90 | /*----------------------------------------------------------------*/
|
---|
| 91 |
|
---|
| 92 | return aResult;
|
---|
[6] | 93 | }
|
---|
| 94 |
|
---|
| 95 | CRXHttpResponse &
|
---|
| 96 | CRXHttpResponse::operator = (const char * aHttpMessage)
|
---|
| 97 | {
|
---|
[26] | 98 | /*----------------------------------------------------------------*/
|
---|
[6] | 99 | SetMessage (aHttpMessage);
|
---|
[26] | 100 | /*----------------------------------------------------------------*/
|
---|
| 101 |
|
---|
[6] | 102 | return *this;
|
---|
| 103 | }
|
---|
| 104 |
|
---|
[24] | 105 | std::string
|
---|
| 106 | CRXHttpResponse::GetHeader (void) const
|
---|
| 107 | {
|
---|
[26] | 108 | /*----------------------------------------------------------------*/
|
---|
| 109 | /*----------------------------------------------------------------*/
|
---|
| 110 |
|
---|
[24] | 111 | return GetMessage ();
|
---|
| 112 | }
|
---|
| 113 |
|
---|
[6] | 114 | void
|
---|
| 115 | CRXHttpResponse::Parse (void)
|
---|
| 116 | {
|
---|
[24] | 117 | std::string aValue;
|
---|
[6] | 118 |
|
---|
| 119 | char aStatusCode[64] = {0x00, };
|
---|
[24] | 120 | char aStatusName[64] = {0x00, };
|
---|
[6] | 121 | char aHttpVersion[64] = {0x00, };
|
---|
| 122 |
|
---|
[24] | 123 | size_t aBegin = 0;
|
---|
| 124 | size_t aOffset = 0;
|
---|
| 125 |
|
---|
[6] | 126 | /*----------------------------------------------------------------*/
|
---|
[24] | 127 | aValue = GetHeader ().substr (0, GetHeader ().find (CRLF, 0));
|
---|
[6] | 128 |
|
---|
| 129 | /*----------------------------------------------------------------
|
---|
| 130 | * 1. separate first line to <METHOD>, <URL> and <VERSION>
|
---|
| 131 | *----------------------------------------------------------------*/
|
---|
[24] | 132 | sscanf (aValue.c_str (), "%[^ ] %[^ ] %[^ ]\r\n", aHttpVersion, aStatusCode, aStatusName);
|
---|
[6] | 133 | mHttpVersion.assign (aHttpVersion);
|
---|
[24] | 134 | mStatusString.assign (aStatusName);
|
---|
[6] | 135 | mStatusCode = atoi (aStatusCode);
|
---|
[24] | 136 |
|
---|
| 137 | /*----------------------------------------------------------------
|
---|
| 138 | * 2. get Content-Length or check is chunked
|
---|
| 139 | *----------------------------------------------------------------*/
|
---|
| 140 | aBegin = GetHeader ().find (CONTENT_LENGTH);
|
---|
| 141 | if (aBegin == std::string::npos)
|
---|
| 142 | {
|
---|
| 143 | /* is really chunked encoding ? */
|
---|
| 144 | aBegin = GetHeader ().find (TRANSFER_ENCODING);
|
---|
| 145 | if (aBegin == std::string::npos)
|
---|
| 146 | return ;
|
---|
| 147 |
|
---|
| 148 | aBegin += strlen (TRANSFER_ENCODING);
|
---|
| 149 | aOffset = GetHeader ().find (CRLF, aBegin) - aBegin;
|
---|
| 150 |
|
---|
| 151 | aValue = GetHeader ().substr (aBegin, aOffset);
|
---|
| 152 | if (aValue == "chunked")
|
---|
| 153 | {
|
---|
| 154 | mIsChunked = true;
|
---|
| 155 | return ;
|
---|
| 156 | }
|
---|
| 157 | }
|
---|
| 158 |
|
---|
| 159 | aBegin += strlen (CONTENT_LENGTH);
|
---|
| 160 | aOffset = GetHeader ().find (CRLF, aBegin) - aBegin;
|
---|
| 161 |
|
---|
| 162 | aValue = GetHeader ().substr (aBegin, aOffset);
|
---|
| 163 | mContentLength = atoi (aValue.c_str ());
|
---|
[6] | 164 | /*----------------------------------------------------------------*/
|
---|
| 165 | }
|
---|
| 166 |
|
---|
| 167 | int
|
---|
[24] | 168 | CRXHttpResponse::ParseContent (const char * aContent,
|
---|
| 169 | const int aLength)
|
---|
[6] | 170 | {
|
---|
[24] | 171 | int aResult = 0;
|
---|
| 172 |
|
---|
| 173 | char * aReallocPtr = NULL;
|
---|
| 174 |
|
---|
| 175 | /*----------------------------------------------------------------*/
|
---|
| 176 | if (!mIsChunked)
|
---|
| 177 | {
|
---|
| 178 | if (mContentLength <= mContent.mLength)
|
---|
| 179 | return aResult;
|
---|
| 180 |
|
---|
| 181 | if (mContent.mBody == NULL)
|
---|
| 182 | {
|
---|
| 183 | mContent.mBody = static_cast<char *> (calloc (mContentLength, 1));
|
---|
| 184 | if (mContent.mBody == NULL)
|
---|
| 185 | {
|
---|
| 186 | return ERROR_HTTP_RESPONSE_FAILED_TO_MEMORY_ALLOCATION;
|
---|
| 187 | }
|
---|
| 188 | }
|
---|
| 189 | }
|
---|
| 190 | else
|
---|
| 191 | {
|
---|
| 192 | mContentLength += aLength;
|
---|
| 193 | aReallocPtr = static_cast<char *> (realloc (mContent.mBody, mContentLength));
|
---|
| 194 | if (aReallocPtr == NULL)
|
---|
| 195 | {
|
---|
| 196 | return ERROR_HTTP_RESPONSE_FAILED_TO_MEMORY_ALLOCATION;
|
---|
| 197 | }
|
---|
| 198 | mContent.mBody = aReallocPtr;
|
---|
| 199 | }
|
---|
| 200 |
|
---|
| 201 | memcpy (mContent.mBody + mContent.mLength, aContent, aLength);
|
---|
| 202 | mContent.mLength += aLength;
|
---|
| 203 | /*----------------------------------------------------------------*/
|
---|
| 204 |
|
---|
| 205 | return aResult;
|
---|
[25] | 206 | }
|
---|
[28] | 207 |
|
---|
| 208 | int CRXHttpResponse::GetStatusCode (void) const { return mStatusCode; }
|
---|
| 209 | int CRXHttpResponse::GetContentLength (void) const { return mContentLength; }
|
---|
| 210 | const char * CRXHttpResponse::GetContentBody (void) const { return mContent.mBody; } |
---|