xiaorui qu / HTTPClient

Fork HTTPClient and Modfiy code for mbed 6.0

Dependents:   mbed-demo-http-get-json

HTTPClient.cpp@24:eee214e3e806, 2014-03-15 (annotated)

Committer:
WiredHome
Date:
Sat Mar 15 22:18:30 2014 +0000
Revision:
24:eee214e3e806
Parent:
22:d6b08d9749d6
Child:
25:76084defa790
Reformatted to match standard style.; Added support for automatically following redirection, and for getting the redirect location.

Who changed what in which revision?

UserRevisionLine numberNew contents of line
donatien 0:2ccb9960a044 1 /* HTTPClient.cpp */
donatien 10:e1351de84c16 2 /* Copyright (C) 2012 mbed.org, MIT License
donatien 10:e1351de84c16 3 *
donatien 10:e1351de84c16 4 * Permission is hereby granted, free of charge, to any person obtaining a copy of this software
donatien 10:e1351de84c16 5 * and associated documentation files (the "Software"), to deal in the Software without restriction,
donatien 10:e1351de84c16 6 * including without limitation the rights to use, copy, modify, merge, publish, distribute,
donatien 10:e1351de84c16 7 * sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is
donatien 10:e1351de84c16 8 * furnished to do so, subject to the following conditions:
donatien 10:e1351de84c16 9 *
donatien 10:e1351de84c16 10 * The above copyright notice and this permission notice shall be included in all copies or
donatien 10:e1351de84c16 11 * substantial portions of the Software.
donatien 10:e1351de84c16 12 *
donatien 10:e1351de84c16 13 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING
donatien 10:e1351de84c16 14 * BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
donatien 10:e1351de84c16 15 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
donatien 10:e1351de84c16 16 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
donatien 10:e1351de84c16 17 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
donatien 10:e1351de84c16 18 */
donatien 0:2ccb9960a044 19
donatien 7:4e39864f7b15 20 //Debug is disabled by default
WiredHome 20:4ea5255c1b04 21 //#define DEBUG "HTCL"
donatien 11:390362de8c3f 22 #include <cstdio>
WiredHome 20:4ea5255c1b04 23 #if (defined(DEBUG) && !defined(TARGET_LPC11U24))
WiredHome 20:4ea5255c1b04 24 #define DBG(x, ...) std::printf("[DBG %s %3d] "x"\r\n", DEBUG, __LINE__, ##__VA_ARGS__);
WiredHome 20:4ea5255c1b04 25 #define WARN(x, ...) std::printf("[WRN %s %3d] "x"\r\n", DEBUG, __LINE__, ##__VA_ARGS__);
WiredHome 20:4ea5255c1b04 26 #define ERR(x, ...) std::printf("[ERR %s %3d] "x"\r\n", DEBUG, __LINE__, ##__VA_ARGS__);
WiredHome 20:4ea5255c1b04 27 #define INFO(x, ...) std::printf("[INF %s %3d] "x"\r\n", DEBUG, __LINE__, ##__VA_ARGS__);
donatien 12:89d09a6db00a 28 #else
WiredHome 20:4ea5255c1b04 29 #define DBG(x, ...)
donatien 12:89d09a6db00a 30 #define WARN(x, ...)
WiredHome 20:4ea5255c1b04 31 #define ERR(x, ...)
WiredHome 20:4ea5255c1b04 32 #define INFO(x, ...)
donatien 7:4e39864f7b15 33 #endif
donatien 0:2ccb9960a044 34
WiredHome 20:4ea5255c1b04 35 //#define HTTP_PORT 80
donatien 0:2ccb9960a044 36
donatien 11:390362de8c3f 37 #define OK 0
donatien 11:390362de8c3f 38
donatien 11:390362de8c3f 39 #define MIN(x,y) (((x)<(y))?(x):(y))
donatien 11:390362de8c3f 40 #define MAX(x,y) (((x)>(y))?(x):(y))
donatien 11:390362de8c3f 41
donatien 0:2ccb9960a044 42 #define CHUNK_SIZE 256
donatien 0:2ccb9960a044 43
donatien 0:2ccb9960a044 44 #include <cstring>
donatien 0:2ccb9960a044 45
donatien 11:390362de8c3f 46 #include "HTTPClient.h"
donatien 11:390362de8c3f 47
donatien 0:2ccb9960a044 48 HTTPClient::HTTPClient() :
WiredHome 24:eee214e3e806 49 m_sock(), m_basicAuthUser(NULL), m_basicAuthPassword(NULL), m_httpResponseCode(0),
WiredHome 24:eee214e3e806 50 m_maxredirections(1), m_location(NULL)
donatien 0:2ccb9960a044 51 {
donatien 0:2ccb9960a044 52
donatien 0:2ccb9960a044 53 }
donatien 0:2ccb9960a044 54
donatien 0:2ccb9960a044 55 HTTPClient::~HTTPClient()
donatien 0:2ccb9960a044 56 {
donatien 0:2ccb9960a044 57
donatien 0:2ccb9960a044 58 }
donatien 0:2ccb9960a044 59
donatien 0:2ccb9960a044 60 void HTTPClient::basicAuth(const char* user, const char* password) //Basic Authentification
donatien 0:2ccb9960a044 61 {
WiredHome 24:eee214e3e806 62 #if 1
WiredHome 21:d33f7e1ce811 63 if (m_basicAuthUser)
WiredHome 21:d33f7e1ce811 64 free(m_basicAuthUser);
WiredHome 21:d33f7e1ce811 65 m_basicAuthUser = (char *)malloc(strlen(user)+1);
WiredHome 21:d33f7e1ce811 66 strcpy(m_basicAuthUser, user);
WiredHome 21:d33f7e1ce811 67 if (m_basicAuthPassword)
WiredHome 21:d33f7e1ce811 68 free(m_basicAuthPassword);
WiredHome 21:d33f7e1ce811 69 m_basicAuthPassword = (char *)malloc(strlen(password)+1);
WiredHome 24:eee214e3e806 70 strcpy(m_basicAuthPassword, password);
WiredHome 24:eee214e3e806 71 #else
WiredHome 20:4ea5255c1b04 72 m_basicAuthUser = user;
WiredHome 20:4ea5255c1b04 73 m_basicAuthPassword = password;
WiredHome 24:eee214e3e806 74 #endif
donatien 0:2ccb9960a044 75 }
vwochnik 19:bcbf0af9fac3 76
vwochnik 19:bcbf0af9fac3 77 void HTTPClient::customHeaders(const char **headers, size_t pairs)
vwochnik 19:bcbf0af9fac3 78 {
vwochnik 19:bcbf0af9fac3 79 m_customHeaders = headers;
vwochnik 19:bcbf0af9fac3 80 m_nCustomHeaders = pairs;
vwochnik 19:bcbf0af9fac3 81 }
vwochnik 19:bcbf0af9fac3 82
donatien 0:2ccb9960a044 83
donatien 12:89d09a6db00a 84 HTTPResult HTTPClient::get(const char* url, IHTTPDataIn* pDataIn, int timeout /*= HTTP_CLIENT_DEFAULT_TIMEOUT*/) //Blocking
donatien 0:2ccb9960a044 85 {
WiredHome 20:4ea5255c1b04 86 return connect(url, HTTP_GET, NULL, pDataIn, timeout);
donatien 0:2ccb9960a044 87 }
donatien 0:2ccb9960a044 88
donatien 12:89d09a6db00a 89 HTTPResult HTTPClient::get(const char* url, char* result, size_t maxResultLen, int timeout /*= HTTP_CLIENT_DEFAULT_TIMEOUT*/) //Blocking
donatien 0:2ccb9960a044 90 {
WiredHome 20:4ea5255c1b04 91 HTTPText str(result, maxResultLen);
WiredHome 20:4ea5255c1b04 92 return get(url, &str, timeout);
donatien 0:2ccb9960a044 93 }
donatien 0:2ccb9960a044 94
donatien 12:89d09a6db00a 95 HTTPResult HTTPClient::post(const char* url, const IHTTPDataOut& dataOut, IHTTPDataIn* pDataIn, int timeout /*= HTTP_CLIENT_DEFAULT_TIMEOUT*/) //Blocking
donatien 0:2ccb9960a044 96 {
WiredHome 20:4ea5255c1b04 97 return connect(url, HTTP_POST, (IHTTPDataOut*)&dataOut, pDataIn, timeout);
donatien 0:2ccb9960a044 98 }
donatien 0:2ccb9960a044 99
donatien 16:1f743885e7de 100 HTTPResult HTTPClient::put(const char* url, const IHTTPDataOut& dataOut, IHTTPDataIn* pDataIn, int timeout /*= HTTP_CLIENT_DEFAULT_TIMEOUT*/) //Blocking
donatien 16:1f743885e7de 101 {
WiredHome 20:4ea5255c1b04 102 return connect(url, HTTP_PUT, (IHTTPDataOut*)&dataOut, pDataIn, timeout);
donatien 16:1f743885e7de 103 }
donatien 16:1f743885e7de 104
donatien 16:1f743885e7de 105 HTTPResult HTTPClient::del(const char* url, IHTTPDataIn* pDataIn, int timeout /*= HTTP_CLIENT_DEFAULT_TIMEOUT*/) //Blocking
donatien 16:1f743885e7de 106 {
WiredHome 20:4ea5255c1b04 107 return connect(url, HTTP_DELETE, NULL, pDataIn, timeout);
donatien 16:1f743885e7de 108 }
donatien 16:1f743885e7de 109
donatien 16:1f743885e7de 110
donatien 0:2ccb9960a044 111 int HTTPClient::getHTTPResponseCode()
donatien 0:2ccb9960a044 112 {
WiredHome 20:4ea5255c1b04 113 return m_httpResponseCode;
donatien 0:2ccb9960a044 114 }
donatien 0:2ccb9960a044 115
WiredHome 24:eee214e3e806 116 void HTTPClient::setMaxRedirections(int i)
WiredHome 24:eee214e3e806 117 {
WiredHome 24:eee214e3e806 118 if (i < 1)
WiredHome 24:eee214e3e806 119 i = 1;
WiredHome 24:eee214e3e806 120 m_maxredirections = i;
WiredHome 24:eee214e3e806 121 }
WiredHome 24:eee214e3e806 122
donatien 5:791fc3dcb6c4 123 #define CHECK_CONN_ERR(ret) \
donatien 5:791fc3dcb6c4 124 do{ \
donatien 7:4e39864f7b15 125 if(ret) { \
donatien 7:4e39864f7b15 126 m_sock.close(); \
donatien 5:791fc3dcb6c4 127 ERR("Connection error (%d)", ret); \
donatien 11:390362de8c3f 128 return HTTP_CONN; \
donatien 5:791fc3dcb6c4 129 } \
donatien 5:791fc3dcb6c4 130 } while(0)
donatien 5:791fc3dcb6c4 131
donatien 5:791fc3dcb6c4 132 #define PRTCL_ERR() \
donatien 5:791fc3dcb6c4 133 do{ \
donatien 7:4e39864f7b15 134 m_sock.close(); \
donatien 5:791fc3dcb6c4 135 ERR("Protocol error"); \
donatien 11:390362de8c3f 136 return HTTP_PRTCL; \
donatien 5:791fc3dcb6c4 137 } while(0)
donatien 0:2ccb9960a044 138
donatien 12:89d09a6db00a 139 HTTPResult HTTPClient::connect(const char* url, HTTP_METH method, IHTTPDataOut* pDataOut, IHTTPDataIn* pDataIn, int timeout) //Execute request
WiredHome 20:4ea5255c1b04 140 {
WiredHome 20:4ea5255c1b04 141 m_httpResponseCode = 0; //Invalidate code
WiredHome 20:4ea5255c1b04 142 m_timeout = timeout;
WiredHome 20:4ea5255c1b04 143
WiredHome 20:4ea5255c1b04 144 pDataIn->writeReset();
WiredHome 20:4ea5255c1b04 145 if( pDataOut ) {
WiredHome 20:4ea5255c1b04 146 pDataOut->readReset();
WiredHome 20:4ea5255c1b04 147 }
donatien 0:2ccb9960a044 148
WiredHome 20:4ea5255c1b04 149 char scheme[8];
WiredHome 20:4ea5255c1b04 150 uint16_t port;
WiredHome 20:4ea5255c1b04 151 char host[32];
WiredHome 20:4ea5255c1b04 152 char path[64];
WiredHome 24:eee214e3e806 153 size_t recvContentLength = 0;
WiredHome 24:eee214e3e806 154 bool recvChunked = false;
WiredHome 24:eee214e3e806 155 int crlfPos = 0;
WiredHome 24:eee214e3e806 156 char buf[CHUNK_SIZE];
WiredHome 24:eee214e3e806 157 size_t trfLen;
WiredHome 24:eee214e3e806 158 int ret = 0;
WiredHome 24:eee214e3e806 159
WiredHome 24:eee214e3e806 160 int maxRedirect = m_maxredirections;
donatien 0:2ccb9960a044 161
WiredHome 24:eee214e3e806 162 while (maxRedirect--) {
WiredHome 24:eee214e3e806 163 bool takeRedirect = false;
WiredHome 24:eee214e3e806 164
WiredHome 24:eee214e3e806 165 INFO("parse: [%s]", url);
WiredHome 24:eee214e3e806 166 //First we need to parse the url (http[s]://host[:port][/[path]]) -- HTTPS not supported (yet?)
WiredHome 24:eee214e3e806 167 HTTPResult res = parseURL(url, scheme, sizeof(scheme), host, sizeof(host), &port, path, sizeof(path));
WiredHome 24:eee214e3e806 168 if(res != HTTP_OK) {
WiredHome 24:eee214e3e806 169 ERR("parseURL returned %d", res);
WiredHome 24:eee214e3e806 170 return res;
WiredHome 24:eee214e3e806 171 }
donatien 0:2ccb9960a044 172
WiredHome 24:eee214e3e806 173 if(port == 0) { //TODO do handle HTTPS->443
WiredHome 24:eee214e3e806 174 port = 80;
WiredHome 24:eee214e3e806 175 }
WiredHome 20:4ea5255c1b04 176
WiredHome 24:eee214e3e806 177 DBG("Scheme: %s", scheme);
WiredHome 24:eee214e3e806 178 DBG("Host: %s", host);
WiredHome 24:eee214e3e806 179 DBG("Port: %d", port);
WiredHome 24:eee214e3e806 180 DBG("Path: %s", path);
WiredHome 24:eee214e3e806 181
WiredHome 24:eee214e3e806 182 //Connect
WiredHome 24:eee214e3e806 183 DBG("Connecting socket to server");
WiredHome 24:eee214e3e806 184 ret = m_sock.connect(host, port);
WiredHome 24:eee214e3e806 185 if (ret < 0) {
WiredHome 20:4ea5255c1b04 186 m_sock.close();
WiredHome 24:eee214e3e806 187 ERR("Could not connect");
WiredHome 20:4ea5255c1b04 188 return HTTP_CONN;
WiredHome 20:4ea5255c1b04 189 }
WiredHome 20:4ea5255c1b04 190
WiredHome 24:eee214e3e806 191 //Send request
WiredHome 24:eee214e3e806 192 DBG("Sending request");
WiredHome 24:eee214e3e806 193 const char* meth = (method==HTTP_GET)?"GET":(method==HTTP_POST)?"POST":(method==HTTP_PUT)?"PUT":(method==HTTP_DELETE)?"DELETE":"";
WiredHome 24:eee214e3e806 194 snprintf(buf, sizeof(buf), "%s %s HTTP/1.1\r\nHost: %s:%d\r\nConnection: keep-alive\r\n", meth, path, host, port); //Write request
WiredHome 20:4ea5255c1b04 195 ret = send(buf);
WiredHome 20:4ea5255c1b04 196 if (ret) {
WiredHome 20:4ea5255c1b04 197 m_sock.close();
WiredHome 20:4ea5255c1b04 198 ERR("Could not write request");
WiredHome 20:4ea5255c1b04 199 return HTTP_CONN;
WiredHome 20:4ea5255c1b04 200 }
donatien 0:2ccb9960a044 201
WiredHome 24:eee214e3e806 202 // send authorization
WiredHome 24:eee214e3e806 203 if (m_basicAuthUser && m_basicAuthPassword) {
WiredHome 24:eee214e3e806 204 strcpy(buf, "Authorization: Basic ");
WiredHome 24:eee214e3e806 205 createauth(m_basicAuthUser, m_basicAuthPassword, buf+strlen(buf), sizeof(buf)-strlen(buf));
WiredHome 24:eee214e3e806 206 strcat(buf, "\r\n");
WiredHome 24:eee214e3e806 207 INFO(" (%s,%s) => (%s)", m_basicAuthUser, m_basicAuthPassword, buf);
WiredHome 20:4ea5255c1b04 208 ret = send(buf);
WiredHome 24:eee214e3e806 209 INFO(" ret = %d", ret);
WiredHome 24:eee214e3e806 210 if(ret) {
WiredHome 24:eee214e3e806 211 m_sock.close();
WiredHome 24:eee214e3e806 212 ERR("Could not write request");
WiredHome 24:eee214e3e806 213 return HTTP_CONN;
WiredHome 24:eee214e3e806 214 }
WiredHome 20:4ea5255c1b04 215 }
WiredHome 20:4ea5255c1b04 216
WiredHome 24:eee214e3e806 217 //Send all headers
WiredHome 24:eee214e3e806 218 for (size_t nh = 0; nh < m_nCustomHeaders * 2; nh+=2) {
WiredHome 24:eee214e3e806 219 INFO("hdr[%d] %s:", nh, m_customHeaders[nh]);
WiredHome 24:eee214e3e806 220 INFO(" %s", m_customHeaders[nh+1]);
WiredHome 24:eee214e3e806 221 snprintf(buf, sizeof(buf), "%s: %s\r\n", m_customHeaders[nh], m_customHeaders[nh+1]);
WiredHome 24:eee214e3e806 222 ret = send(buf);
WiredHome 24:eee214e3e806 223 if (ret) {
WiredHome 24:eee214e3e806 224 ERR("closing");
WiredHome 24:eee214e3e806 225 wait_ms(50);
WiredHome 24:eee214e3e806 226 m_sock.close();
WiredHome 24:eee214e3e806 227 ERR("Could not write request");
WiredHome 24:eee214e3e806 228 return HTTP_CONN;
WiredHome 24:eee214e3e806 229 }
WiredHome 24:eee214e3e806 230 INFO(" hdr %d", ret);
WiredHome 24:eee214e3e806 231 }
donatien 0:2ccb9960a044 232
WiredHome 24:eee214e3e806 233 //Send default headers
WiredHome 24:eee214e3e806 234 DBG("Sending headers");
WiredHome 24:eee214e3e806 235 if( pDataOut != NULL ) {
WiredHome 20:4ea5255c1b04 236 if( pDataOut->getIsChunked() ) {
WiredHome 24:eee214e3e806 237 ret = send("Transfer-Encoding: chunked\r\n");
WiredHome 20:4ea5255c1b04 238 CHECK_CONN_ERR(ret);
WiredHome 24:eee214e3e806 239 } else {
WiredHome 24:eee214e3e806 240 snprintf(buf, sizeof(buf), "Content-Length: %d\r\n", pDataOut->getDataLen());
WiredHome 24:eee214e3e806 241 ret = send(buf);
WiredHome 20:4ea5255c1b04 242 CHECK_CONN_ERR(ret);
WiredHome 20:4ea5255c1b04 243 }
WiredHome 24:eee214e3e806 244 char type[48];
WiredHome 24:eee214e3e806 245 if( pDataOut->getDataType(type, 48) == HTTP_OK ) {
WiredHome 24:eee214e3e806 246 snprintf(buf, sizeof(buf), "Content-Type: %s\r\n", type);
WiredHome 24:eee214e3e806 247 ret = send(buf);
WiredHome 20:4ea5255c1b04 248 CHECK_CONN_ERR(ret);
WiredHome 24:eee214e3e806 249 }
WiredHome 24:eee214e3e806 250 }
WiredHome 24:eee214e3e806 251
WiredHome 24:eee214e3e806 252 //Close headers
WiredHome 24:eee214e3e806 253 DBG("Headers sent");
WiredHome 24:eee214e3e806 254 ret = send("\r\n");
WiredHome 24:eee214e3e806 255 CHECK_CONN_ERR(ret);
WiredHome 24:eee214e3e806 256
WiredHome 24:eee214e3e806 257 //Send data (if available)
WiredHome 24:eee214e3e806 258 if( pDataOut != NULL ) {
WiredHome 24:eee214e3e806 259 DBG("Sending data");
WiredHome 24:eee214e3e806 260 while(true) {
WiredHome 24:eee214e3e806 261 size_t writtenLen = 0;
WiredHome 24:eee214e3e806 262 pDataOut->read(buf, CHUNK_SIZE, &trfLen);
WiredHome 24:eee214e3e806 263 if( pDataOut->getIsChunked() ) {
WiredHome 24:eee214e3e806 264 //Write chunk header
WiredHome 24:eee214e3e806 265 char chunkHeader[16];
WiredHome 24:eee214e3e806 266 snprintf(chunkHeader, sizeof(chunkHeader), "%X\r\n", trfLen); //In hex encoding
WiredHome 24:eee214e3e806 267 ret = send(chunkHeader);
WiredHome 24:eee214e3e806 268 CHECK_CONN_ERR(ret);
WiredHome 24:eee214e3e806 269 } else if( trfLen == 0 ) {
WiredHome 24:eee214e3e806 270 break;
WiredHome 24:eee214e3e806 271 }
WiredHome 24:eee214e3e806 272 if( trfLen != 0 ) {
WiredHome 24:eee214e3e806 273 ret = send(buf, trfLen);
WiredHome 24:eee214e3e806 274 CHECK_CONN_ERR(ret);
WiredHome 24:eee214e3e806 275 }
WiredHome 24:eee214e3e806 276
WiredHome 24:eee214e3e806 277 if( pDataOut->getIsChunked() ) {
WiredHome 24:eee214e3e806 278 ret = send("\r\n"); //Chunk-terminating CRLF
WiredHome 24:eee214e3e806 279 CHECK_CONN_ERR(ret);
WiredHome 24:eee214e3e806 280 } else {
WiredHome 24:eee214e3e806 281 writtenLen += trfLen;
WiredHome 24:eee214e3e806 282 if( writtenLen >= pDataOut->getDataLen() ) {
WiredHome 24:eee214e3e806 283 break;
WiredHome 24:eee214e3e806 284 }
WiredHome 24:eee214e3e806 285 }
WiredHome 24:eee214e3e806 286
WiredHome 24:eee214e3e806 287 if( trfLen == 0 ) {
WiredHome 20:4ea5255c1b04 288 break;
WiredHome 20:4ea5255c1b04 289 }
WiredHome 20:4ea5255c1b04 290 }
WiredHome 20:4ea5255c1b04 291
donatien 0:2ccb9960a044 292 }
WiredHome 20:4ea5255c1b04 293
WiredHome 24:eee214e3e806 294 //Receive response
WiredHome 24:eee214e3e806 295 DBG("Receiving response");
WiredHome 24:eee214e3e806 296 ret = recv(buf, CHUNK_SIZE - 1, CHUNK_SIZE - 1, &trfLen); //Read n bytes
WiredHome 24:eee214e3e806 297 CHECK_CONN_ERR(ret);
WiredHome 24:eee214e3e806 298 buf[trfLen] = '\0';
WiredHome 24:eee214e3e806 299 INFO("Received \r\n(%s\r\n)", buf);
donatien 0:2ccb9960a044 300
WiredHome 24:eee214e3e806 301 char* crlfPtr = strstr(buf, "\r\n");
WiredHome 24:eee214e3e806 302 if( crlfPtr == NULL) {
WiredHome 24:eee214e3e806 303 PRTCL_ERR();
WiredHome 20:4ea5255c1b04 304 }
donatien 0:2ccb9960a044 305
WiredHome 20:4ea5255c1b04 306 crlfPos = crlfPtr - buf;
WiredHome 20:4ea5255c1b04 307 buf[crlfPos] = '\0';
WiredHome 20:4ea5255c1b04 308
WiredHome 24:eee214e3e806 309 //Parse HTTP response
WiredHome 24:eee214e3e806 310 if( sscanf(buf, "HTTP/%*d.%*d %d %*[^\r\n]", &m_httpResponseCode) != 1 ) {
WiredHome 24:eee214e3e806 311 //Cannot match string, error
WiredHome 24:eee214e3e806 312 ERR("Not a correct HTTP answer : %s\n", buf);
WiredHome 24:eee214e3e806 313 PRTCL_ERR();
WiredHome 24:eee214e3e806 314 }
donatien 0:2ccb9960a044 315
WiredHome 24:eee214e3e806 316 if( (m_httpResponseCode < 200) || (m_httpResponseCode >= 400) ) {
WiredHome 24:eee214e3e806 317 //Did not return a 2xx code; TODO fetch headers/(&data?) anyway and implement a mean of writing/reading headers
WiredHome 24:eee214e3e806 318 WARN("Response code %d", m_httpResponseCode);
WiredHome 20:4ea5255c1b04 319 PRTCL_ERR();
WiredHome 20:4ea5255c1b04 320 }
WiredHome 20:4ea5255c1b04 321
WiredHome 24:eee214e3e806 322 DBG("Reading headers");
WiredHome 24:eee214e3e806 323
WiredHome 24:eee214e3e806 324 memmove(buf, &buf[crlfPos+2], trfLen - (crlfPos + 2) + 1); //Be sure to move NULL-terminating char as well
WiredHome 24:eee214e3e806 325 trfLen -= (crlfPos + 2);
WiredHome 24:eee214e3e806 326
WiredHome 24:eee214e3e806 327 recvContentLength = 0;
WiredHome 24:eee214e3e806 328 recvChunked = false;
WiredHome 24:eee214e3e806 329 //Now get headers
WiredHome 24:eee214e3e806 330 while( true ) {
WiredHome 24:eee214e3e806 331 crlfPtr = strstr(buf, "\r\n");
WiredHome 24:eee214e3e806 332 if(crlfPtr == NULL) {
WiredHome 24:eee214e3e806 333 if( trfLen < CHUNK_SIZE - 1 ) {
WiredHome 24:eee214e3e806 334 size_t newTrfLen = 0;
WiredHome 24:eee214e3e806 335 ret = recv(buf + trfLen, 1, CHUNK_SIZE - trfLen - 1, &newTrfLen);
WiredHome 24:eee214e3e806 336 trfLen += newTrfLen;
WiredHome 24:eee214e3e806 337 buf[trfLen] = '\0';
WiredHome 24:eee214e3e806 338 DBG("Read %d chars; In buf: [%s]", newTrfLen, buf);
WiredHome 24:eee214e3e806 339 CHECK_CONN_ERR(ret);
WiredHome 24:eee214e3e806 340 continue;
WiredHome 24:eee214e3e806 341 } else {
WiredHome 24:eee214e3e806 342 PRTCL_ERR();
WiredHome 24:eee214e3e806 343 }
WiredHome 24:eee214e3e806 344 }
WiredHome 24:eee214e3e806 345
WiredHome 24:eee214e3e806 346 crlfPos = crlfPtr - buf;
WiredHome 24:eee214e3e806 347
WiredHome 24:eee214e3e806 348 if(crlfPos == 0) { //End of headers
WiredHome 24:eee214e3e806 349 DBG("Headers read");
WiredHome 24:eee214e3e806 350 memmove(buf, &buf[2], trfLen - 2 + 1); //Be sure to move NULL-terminating char as well
WiredHome 24:eee214e3e806 351 trfLen -= 2;
WiredHome 24:eee214e3e806 352 break;
WiredHome 24:eee214e3e806 353 }
WiredHome 24:eee214e3e806 354
WiredHome 24:eee214e3e806 355 buf[crlfPos] = '\0';
WiredHome 24:eee214e3e806 356
WiredHome 24:eee214e3e806 357 char key[32];
WiredHome 24:eee214e3e806 358 char value[64];
WiredHome 24:eee214e3e806 359
WiredHome 24:eee214e3e806 360 key[31] = '\0';
WiredHome 24:eee214e3e806 361 value[63] = '\0';
WiredHome 24:eee214e3e806 362
WiredHome 24:eee214e3e806 363 int n = sscanf(buf, "%31[^:]: %63[^\r\n]", key, value);
WiredHome 24:eee214e3e806 364 if ( n == 2 ) {
WiredHome 24:eee214e3e806 365 DBG("Read header : %s: %s\n", key, value);
WiredHome 24:eee214e3e806 366 if( !strcmp(key, "Content-Length") ) {
WiredHome 24:eee214e3e806 367 sscanf(value, "%d", &recvContentLength);
WiredHome 24:eee214e3e806 368 pDataIn->setDataLen(recvContentLength);
WiredHome 24:eee214e3e806 369 } else if( !strcmp(key, "Transfer-Encoding") ) {
WiredHome 24:eee214e3e806 370 if( !strcmp(value, "Chunked") || !strcmp(value, "chunked") ) {
WiredHome 24:eee214e3e806 371 recvChunked = true;
WiredHome 24:eee214e3e806 372 pDataIn->setIsChunked(true);
WiredHome 24:eee214e3e806 373 }
WiredHome 24:eee214e3e806 374 } else if( !strcmp(key, "Content-Type") ) {
WiredHome 24:eee214e3e806 375 pDataIn->setDataType(value);
WiredHome 24:eee214e3e806 376 } else if ( !strcmp(key, "Location") ) {
WiredHome 24:eee214e3e806 377 if (m_location)
WiredHome 24:eee214e3e806 378 free(m_location);
WiredHome 24:eee214e3e806 379 m_location = (char *)malloc(strlen(value)+1);
WiredHome 24:eee214e3e806 380 if (m_location) {
WiredHome 24:eee214e3e806 381 strcpy(m_location,value);
WiredHome 24:eee214e3e806 382 url = m_location;
WiredHome 24:eee214e3e806 383 INFO("Following redirect[%d] to [%s]", maxRedirect, url);
WiredHome 24:eee214e3e806 384 m_sock.close();
WiredHome 24:eee214e3e806 385 takeRedirect = true;
WiredHome 24:eee214e3e806 386 break; // exit the while(true) header to follow the redirect
WiredHome 24:eee214e3e806 387 }
WiredHome 24:eee214e3e806 388 }
WiredHome 24:eee214e3e806 389
WiredHome 24:eee214e3e806 390 memmove(buf, &buf[crlfPos+2], trfLen - (crlfPos + 2) + 1); //Be sure to move NULL-terminating char as well
WiredHome 24:eee214e3e806 391 trfLen -= (crlfPos + 2);
WiredHome 24:eee214e3e806 392
WiredHome 24:eee214e3e806 393 } else {
WiredHome 24:eee214e3e806 394 ERR("Could not parse header");
WiredHome 24:eee214e3e806 395 PRTCL_ERR();
WiredHome 24:eee214e3e806 396 }
WiredHome 24:eee214e3e806 397
WiredHome 24:eee214e3e806 398 } // while(true) // get headers
WiredHome 24:eee214e3e806 399 if (!takeRedirect)
WiredHome 24:eee214e3e806 400 break;
WiredHome 24:eee214e3e806 401 } // while (maxRedirect)
donatien 0:2ccb9960a044 402
WiredHome 20:4ea5255c1b04 403 //Receive data
WiredHome 20:4ea5255c1b04 404 DBG("Receiving data");
WiredHome 20:4ea5255c1b04 405 while(true) {
WiredHome 20:4ea5255c1b04 406 size_t readLen = 0;
donatien 0:2ccb9960a044 407
WiredHome 20:4ea5255c1b04 408 if( recvChunked ) {
WiredHome 20:4ea5255c1b04 409 //Read chunk header
WiredHome 20:4ea5255c1b04 410 bool foundCrlf;
WiredHome 20:4ea5255c1b04 411 do {
WiredHome 20:4ea5255c1b04 412 foundCrlf = false;
WiredHome 20:4ea5255c1b04 413 crlfPos=0;
WiredHome 20:4ea5255c1b04 414 buf[trfLen]=0;
WiredHome 20:4ea5255c1b04 415 if(trfLen >= 2) {
WiredHome 20:4ea5255c1b04 416 for(; crlfPos < trfLen - 2; crlfPos++) {
WiredHome 20:4ea5255c1b04 417 if( buf[crlfPos] == '\r' && buf[crlfPos + 1] == '\n' ) {
WiredHome 20:4ea5255c1b04 418 foundCrlf = true;
WiredHome 20:4ea5255c1b04 419 break;
WiredHome 20:4ea5255c1b04 420 }
WiredHome 20:4ea5255c1b04 421 }
WiredHome 20:4ea5255c1b04 422 }
WiredHome 20:4ea5255c1b04 423 if(!foundCrlf) { //Try to read more
WiredHome 20:4ea5255c1b04 424 if( trfLen < CHUNK_SIZE ) {
WiredHome 22:d6b08d9749d6 425 size_t newTrfLen = 0;
WiredHome 20:4ea5255c1b04 426 ret = recv(buf + trfLen, 0, CHUNK_SIZE - trfLen - 1, &newTrfLen);
WiredHome 20:4ea5255c1b04 427 trfLen += newTrfLen;
WiredHome 20:4ea5255c1b04 428 CHECK_CONN_ERR(ret);
WiredHome 20:4ea5255c1b04 429 continue;
WiredHome 20:4ea5255c1b04 430 } else {
WiredHome 20:4ea5255c1b04 431 PRTCL_ERR();
WiredHome 20:4ea5255c1b04 432 }
WiredHome 20:4ea5255c1b04 433 }
WiredHome 20:4ea5255c1b04 434 } while(!foundCrlf);
WiredHome 20:4ea5255c1b04 435 buf[crlfPos] = '\0';
WiredHome 20:4ea5255c1b04 436 int n = sscanf(buf, "%x", &readLen);
WiredHome 20:4ea5255c1b04 437 if(n!=1) {
WiredHome 20:4ea5255c1b04 438 ERR("Could not read chunk length");
WiredHome 20:4ea5255c1b04 439 PRTCL_ERR();
donatien 14:2744e0c0e527 440 }
WiredHome 20:4ea5255c1b04 441
WiredHome 20:4ea5255c1b04 442 memmove(buf, &buf[crlfPos+2], trfLen - (crlfPos + 2)); //Not need to move NULL-terminating char any more
WiredHome 20:4ea5255c1b04 443 trfLen -= (crlfPos + 2);
WiredHome 20:4ea5255c1b04 444
WiredHome 20:4ea5255c1b04 445 if( readLen == 0 ) {
WiredHome 20:4ea5255c1b04 446 //Last chunk
WiredHome 20:4ea5255c1b04 447 break;
WiredHome 20:4ea5255c1b04 448 }
WiredHome 20:4ea5255c1b04 449 } else {
WiredHome 20:4ea5255c1b04 450 readLen = recvContentLength;
donatien 0:2ccb9960a044 451 }
WiredHome 20:4ea5255c1b04 452
WiredHome 20:4ea5255c1b04 453 DBG("Retrieving %d bytes", readLen);
WiredHome 20:4ea5255c1b04 454
WiredHome 20:4ea5255c1b04 455 do {
WiredHome 20:4ea5255c1b04 456 pDataIn->write(buf, MIN(trfLen, readLen));
WiredHome 20:4ea5255c1b04 457 if( trfLen > readLen ) {
WiredHome 20:4ea5255c1b04 458 memmove(buf, &buf[readLen], trfLen - readLen);
WiredHome 20:4ea5255c1b04 459 trfLen -= readLen;
WiredHome 20:4ea5255c1b04 460 readLen = 0;
WiredHome 20:4ea5255c1b04 461 } else {
WiredHome 20:4ea5255c1b04 462 readLen -= trfLen;
WiredHome 20:4ea5255c1b04 463 }
WiredHome 20:4ea5255c1b04 464
WiredHome 20:4ea5255c1b04 465 if(readLen) {
WiredHome 20:4ea5255c1b04 466 ret = recv(buf, 1, CHUNK_SIZE - trfLen - 1, &trfLen);
WiredHome 20:4ea5255c1b04 467 CHECK_CONN_ERR(ret);
WiredHome 20:4ea5255c1b04 468 }
WiredHome 20:4ea5255c1b04 469 } while(readLen);
WiredHome 20:4ea5255c1b04 470
WiredHome 20:4ea5255c1b04 471 if( recvChunked ) {
WiredHome 20:4ea5255c1b04 472 if(trfLen < 2) {
WiredHome 20:4ea5255c1b04 473 size_t newTrfLen;
WiredHome 20:4ea5255c1b04 474 //Read missing chars to find end of chunk
WiredHome 20:4ea5255c1b04 475 ret = recv(buf + trfLen, 2 - trfLen, CHUNK_SIZE - trfLen - 1, &newTrfLen);
WiredHome 20:4ea5255c1b04 476 CHECK_CONN_ERR(ret);
WiredHome 20:4ea5255c1b04 477 trfLen += newTrfLen;
WiredHome 20:4ea5255c1b04 478 }
WiredHome 20:4ea5255c1b04 479 if( (buf[0] != '\r') || (buf[1] != '\n') ) {
WiredHome 20:4ea5255c1b04 480 ERR("Format error");
WiredHome 20:4ea5255c1b04 481 PRTCL_ERR();
WiredHome 20:4ea5255c1b04 482 }
WiredHome 20:4ea5255c1b04 483 memmove(buf, &buf[2], trfLen - 2);
WiredHome 20:4ea5255c1b04 484 trfLen -= 2;
WiredHome 20:4ea5255c1b04 485 } else {
WiredHome 20:4ea5255c1b04 486 break;
donatien 0:2ccb9960a044 487 }
donatien 0:2ccb9960a044 488
donatien 0:2ccb9960a044 489 }
donatien 0:2ccb9960a044 490
WiredHome 20:4ea5255c1b04 491 m_sock.close();
WiredHome 20:4ea5255c1b04 492 DBG("Completed HTTP transaction");
donatien 0:2ccb9960a044 493
WiredHome 20:4ea5255c1b04 494 return HTTP_OK;
donatien 0:2ccb9960a044 495 }
donatien 0:2ccb9960a044 496
donatien 11:390362de8c3f 497 HTTPResult HTTPClient::recv(char* buf, size_t minLen, size_t maxLen, size_t* pReadLen) //0 on success, err code on failure
donatien 0:2ccb9960a044 498 {
WiredHome 20:4ea5255c1b04 499 DBG("Trying to read between %d and %d bytes", minLen, maxLen);
WiredHome 20:4ea5255c1b04 500 size_t readLen = 0;
WiredHome 20:4ea5255c1b04 501
WiredHome 20:4ea5255c1b04 502 if (!m_sock.is_connected()) {
WiredHome 20:4ea5255c1b04 503 WARN("Connection was closed by server");
WiredHome 20:4ea5255c1b04 504 return HTTP_CLOSED; //Connection was closed by server
donatien 7:4e39864f7b15 505 }
WiredHome 20:4ea5255c1b04 506
WiredHome 20:4ea5255c1b04 507 int ret;
WiredHome 20:4ea5255c1b04 508 while (readLen < maxLen) {
WiredHome 20:4ea5255c1b04 509 if (readLen < minLen) {
WiredHome 20:4ea5255c1b04 510 DBG("Trying to read at most %d bytes [Blocking]", minLen - readLen);
WiredHome 20:4ea5255c1b04 511 m_sock.set_blocking(false, m_timeout);
WiredHome 20:4ea5255c1b04 512 ret = m_sock.receive_all(buf + readLen, minLen - readLen);
WiredHome 20:4ea5255c1b04 513 } else {
WiredHome 20:4ea5255c1b04 514 DBG("Trying to read at most %d bytes [Not blocking]", maxLen - readLen);
WiredHome 20:4ea5255c1b04 515 m_sock.set_blocking(false, 0);
WiredHome 20:4ea5255c1b04 516 ret = m_sock.receive(buf + readLen, maxLen - readLen);
WiredHome 20:4ea5255c1b04 517 }
WiredHome 20:4ea5255c1b04 518
WiredHome 20:4ea5255c1b04 519 if (ret > 0) {
WiredHome 20:4ea5255c1b04 520 readLen += ret;
WiredHome 20:4ea5255c1b04 521 } else if ( ret == 0 ) {
WiredHome 20:4ea5255c1b04 522 break;
WiredHome 20:4ea5255c1b04 523 } else {
WiredHome 20:4ea5255c1b04 524 if (!m_sock.is_connected()) {
WiredHome 20:4ea5255c1b04 525 ERR("Connection error (recv returned %d)", ret);
WiredHome 20:4ea5255c1b04 526 *pReadLen = readLen;
WiredHome 20:4ea5255c1b04 527 return HTTP_CONN;
WiredHome 20:4ea5255c1b04 528 } else {
WiredHome 20:4ea5255c1b04 529 break;
WiredHome 20:4ea5255c1b04 530 }
WiredHome 20:4ea5255c1b04 531 }
WiredHome 20:4ea5255c1b04 532 if (!m_sock.is_connected()) {
WiredHome 20:4ea5255c1b04 533 break;
WiredHome 20:4ea5255c1b04 534 }
donatien 7:4e39864f7b15 535 }
WiredHome 20:4ea5255c1b04 536 DBG("Read %d bytes", readLen);
WiredHome 20:4ea5255c1b04 537 *pReadLen = readLen;
WiredHome 20:4ea5255c1b04 538 return HTTP_OK;
donatien 7:4e39864f7b15 539 }
donatien 7:4e39864f7b15 540
donatien 11:390362de8c3f 541 HTTPResult HTTPClient::send(char* buf, size_t len) //0 on success, err code on failure
donatien 7:4e39864f7b15 542 {
WiredHome 20:4ea5255c1b04 543 if(len == 0) {
WiredHome 20:4ea5255c1b04 544 len = strlen(buf);
WiredHome 20:4ea5255c1b04 545 }
WiredHome 20:4ea5255c1b04 546 DBG("send(%s,%d)", buf, len);
WiredHome 20:4ea5255c1b04 547 size_t writtenLen = 0;
WiredHome 20:4ea5255c1b04 548
WiredHome 20:4ea5255c1b04 549 if(!m_sock.is_connected()) {
WiredHome 20:4ea5255c1b04 550 WARN("Connection was closed by server");
WiredHome 20:4ea5255c1b04 551 return HTTP_CLOSED; //Connection was closed by server
WiredHome 20:4ea5255c1b04 552 }
WiredHome 20:4ea5255c1b04 553
WiredHome 20:4ea5255c1b04 554 m_sock.set_blocking(false, m_timeout);
WiredHome 20:4ea5255c1b04 555 int ret = m_sock.send_all(buf, len);
WiredHome 20:4ea5255c1b04 556 if(ret > 0) {
WiredHome 20:4ea5255c1b04 557 writtenLen += ret;
WiredHome 20:4ea5255c1b04 558 } else if( ret == 0 ) {
WiredHome 20:4ea5255c1b04 559 WARN("Connection was closed by server");
WiredHome 20:4ea5255c1b04 560 return HTTP_CLOSED; //Connection was closed by server
WiredHome 20:4ea5255c1b04 561 } else {
WiredHome 20:4ea5255c1b04 562 ERR("Connection error (send returned %d)", ret);
WiredHome 20:4ea5255c1b04 563 return HTTP_CONN;
WiredHome 20:4ea5255c1b04 564 }
WiredHome 20:4ea5255c1b04 565
WiredHome 20:4ea5255c1b04 566 DBG("Written %d bytes", writtenLen);
WiredHome 20:4ea5255c1b04 567 return HTTP_OK;
donatien 0:2ccb9960a044 568 }
donatien 0:2ccb9960a044 569
donatien 11:390362de8c3f 570 HTTPResult HTTPClient::parseURL(const char* url, char* scheme, size_t maxSchemeLen, char* host, size_t maxHostLen, uint16_t* port, char* path, size_t maxPathLen) //Parse URL
donatien 0:2ccb9960a044 571 {
WiredHome 20:4ea5255c1b04 572 char* schemePtr = (char*) url;
WiredHome 20:4ea5255c1b04 573 char* hostPtr = (char*) strstr(url, "://");
WiredHome 20:4ea5255c1b04 574 if(hostPtr == NULL) {
WiredHome 20:4ea5255c1b04 575 WARN("Could not find host");
WiredHome 20:4ea5255c1b04 576 return HTTP_PARSE; //URL is invalid
WiredHome 20:4ea5255c1b04 577 }
WiredHome 20:4ea5255c1b04 578
WiredHome 20:4ea5255c1b04 579 if( maxSchemeLen < hostPtr - schemePtr + 1 ) { //including NULL-terminating char
WiredHome 20:4ea5255c1b04 580 WARN("Scheme str is too small (%d >= %d)", maxSchemeLen, hostPtr - schemePtr + 1);
WiredHome 20:4ea5255c1b04 581 return HTTP_PARSE;
WiredHome 20:4ea5255c1b04 582 }
WiredHome 20:4ea5255c1b04 583 memcpy(scheme, schemePtr, hostPtr - schemePtr);
WiredHome 20:4ea5255c1b04 584 scheme[hostPtr - schemePtr] = '\0';
donatien 0:2ccb9960a044 585
WiredHome 20:4ea5255c1b04 586 hostPtr+=3;
donatien 0:2ccb9960a044 587
WiredHome 20:4ea5255c1b04 588 size_t hostLen = 0;
donatien 0:2ccb9960a044 589
WiredHome 20:4ea5255c1b04 590 char* portPtr = strchr(hostPtr, ':');
WiredHome 20:4ea5255c1b04 591 if( portPtr != NULL ) {
WiredHome 20:4ea5255c1b04 592 hostLen = portPtr - hostPtr;
WiredHome 20:4ea5255c1b04 593 portPtr++;
WiredHome 20:4ea5255c1b04 594 if( sscanf(portPtr, "%hu", port) != 1) {
WiredHome 20:4ea5255c1b04 595 WARN("Could not find port");
WiredHome 20:4ea5255c1b04 596 return HTTP_PARSE;
WiredHome 20:4ea5255c1b04 597 }
WiredHome 20:4ea5255c1b04 598 } else {
WiredHome 20:4ea5255c1b04 599 *port=0;
donatien 0:2ccb9960a044 600 }
WiredHome 20:4ea5255c1b04 601 char* pathPtr = strchr(hostPtr, '/');
WiredHome 20:4ea5255c1b04 602 if( hostLen == 0 ) {
WiredHome 20:4ea5255c1b04 603 hostLen = pathPtr - hostPtr;
WiredHome 20:4ea5255c1b04 604 }
donatien 0:2ccb9960a044 605
WiredHome 20:4ea5255c1b04 606 if( maxHostLen < hostLen + 1 ) { //including NULL-terminating char
WiredHome 20:4ea5255c1b04 607 WARN("Host str is too small (%d >= %d)", maxHostLen, hostLen + 1);
WiredHome 20:4ea5255c1b04 608 return HTTP_PARSE;
WiredHome 20:4ea5255c1b04 609 }
WiredHome 20:4ea5255c1b04 610 memcpy(host, hostPtr, hostLen);
WiredHome 20:4ea5255c1b04 611 host[hostLen] = '\0';
donatien 0:2ccb9960a044 612
WiredHome 20:4ea5255c1b04 613 size_t pathLen;
WiredHome 20:4ea5255c1b04 614 char* fragmentPtr = strchr(hostPtr, '#');
WiredHome 20:4ea5255c1b04 615 if(fragmentPtr != NULL) {
WiredHome 20:4ea5255c1b04 616 pathLen = fragmentPtr - pathPtr;
WiredHome 20:4ea5255c1b04 617 } else {
WiredHome 20:4ea5255c1b04 618 pathLen = strlen(pathPtr);
WiredHome 20:4ea5255c1b04 619 }
donatien 0:2ccb9960a044 620
WiredHome 20:4ea5255c1b04 621 if( maxPathLen < pathLen + 1 ) { //including NULL-terminating char
WiredHome 20:4ea5255c1b04 622 WARN("Path str is too small (%d >= %d)", maxPathLen, pathLen + 1);
WiredHome 20:4ea5255c1b04 623 return HTTP_PARSE;
WiredHome 20:4ea5255c1b04 624 }
WiredHome 20:4ea5255c1b04 625 memcpy(path, pathPtr, pathLen);
WiredHome 20:4ea5255c1b04 626 path[pathLen] = '\0';
donatien 0:2ccb9960a044 627
WiredHome 20:4ea5255c1b04 628 return HTTP_OK;
donatien 0:2ccb9960a044 629 }
kazushi2008 18:cf5d7427a9ec 630
WiredHome 20:4ea5255c1b04 631 void HTTPClient::createauth (const char *user, const char *pwd, char *buf, int len)
WiredHome 20:4ea5255c1b04 632 {
kazushi2008 18:cf5d7427a9ec 633 char tmp[80];
WiredHome 20:4ea5255c1b04 634
kazushi2008 18:cf5d7427a9ec 635 snprintf(tmp, sizeof(tmp), "%s:%s", user, pwd);
kazushi2008 18:cf5d7427a9ec 636 base64enc(tmp, strlen(tmp), &buf[strlen(buf)], len - strlen(buf));
kazushi2008 18:cf5d7427a9ec 637 }
kazushi2008 18:cf5d7427a9ec 638
kazushi2008 18:cf5d7427a9ec 639 // Copyright (c) 2010 Donatien Garnier (donatiengar [at] gmail [dot] com)
WiredHome 20:4ea5255c1b04 640 int HTTPClient::base64enc(const char *input, unsigned int length, char *output, int len)
WiredHome 20:4ea5255c1b04 641 {
WiredHome 20:4ea5255c1b04 642 static const char base64[] = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/";
WiredHome 20:4ea5255c1b04 643 unsigned int c, c1, c2, c3;
WiredHome 20:4ea5255c1b04 644
WiredHome 20:4ea5255c1b04 645 if (len < ((((length-1)/3)+1)<<2)) return -1;
WiredHome 20:4ea5255c1b04 646 for(unsigned int i = 0, j = 0; i<length; i+=3,j+=4) {
WiredHome 20:4ea5255c1b04 647 c1 = ((((unsigned char)*((unsigned char *)&input[i]))));
WiredHome 20:4ea5255c1b04 648 c2 = (length>i+1)?((((unsigned char)*((unsigned char *)&input[i+1])))):0;
WiredHome 20:4ea5255c1b04 649 c3 = (length>i+2)?((((unsigned char)*((unsigned char *)&input[i+2])))):0;
WiredHome 20:4ea5255c1b04 650
WiredHome 20:4ea5255c1b04 651 c = ((c1 & 0xFC) >> 2);
WiredHome 20:4ea5255c1b04 652 output[j+0] = base64[c];
WiredHome 20:4ea5255c1b04 653 c = ((c1 & 0x03) << 4) | ((c2 & 0xF0) >> 4);
WiredHome 20:4ea5255c1b04 654 output[j+1] = base64[c];
WiredHome 20:4ea5255c1b04 655 c = ((c2 & 0x0F) << 2) | ((c3 & 0xC0) >> 6);
WiredHome 20:4ea5255c1b04 656 output[j+2] = (length>i+1)?base64[c]:'=';
WiredHome 20:4ea5255c1b04 657 c = (c3 & 0x3F);
WiredHome 20:4ea5255c1b04 658 output[j+3] = (length>i+2)?base64[c]:'=';
WiredHome 20:4ea5255c1b04 659 }
WiredHome 20:4ea5255c1b04 660 output[(((length-1)/3)+1)<<2] = '\0';
WiredHome 20:4ea5255c1b04 661 return 0;
kazushi2008 18:cf5d7427a9ec 662 }