xiaorui qu / HTTPClient

Fork HTTPClient and Modfiy code for mbed 6.0

Dependents:   mbed-demo-http-get-json

HTTPClient.cpp@33:d4d1475bafc0, 2015-02-01 (annotated)

Committer:
WiredHome
Date:
Sun Feb 01 16:50:39 2015 +0000
Revision:
33:d4d1475bafc0
Parent:
31:96da7c08b5d0
Child:
34:3556275bebf3
Documentation improvements only, focused on HTTPFile.

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 33:d4d1475bafc0 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
WiredHome 31:96da7c08b5d0 43 #define MAXLEN_VALUE 120 /* Max URL and Max Value for Name:Value */
donatien 0:2ccb9960a044 44
donatien 0:2ccb9960a044 45 #include <cstring>
donatien 0:2ccb9960a044 46
donatien 11:390362de8c3f 47 #include "HTTPClient.h"
donatien 11:390362de8c3f 48
donatien 0:2ccb9960a044 49 HTTPClient::HTTPClient() :
WiredHome 25:76084defa790 50 m_sock(), m_basicAuthUser(NULL), m_basicAuthPassword(NULL),
WiredHome 25:76084defa790 51 m_nCustomHeaders(0), m_httpResponseCode(0),
WiredHome 24:eee214e3e806 52 m_maxredirections(1), m_location(NULL)
donatien 0:2ccb9960a044 53 {
donatien 0:2ccb9960a044 54
donatien 0:2ccb9960a044 55 }
donatien 0:2ccb9960a044 56
donatien 0:2ccb9960a044 57 HTTPClient::~HTTPClient()
donatien 0:2ccb9960a044 58 {
donatien 0:2ccb9960a044 59
donatien 0:2ccb9960a044 60 }
donatien 0:2ccb9960a044 61
donatien 0:2ccb9960a044 62 void HTTPClient::basicAuth(const char* user, const char* password) //Basic Authentification
donatien 0:2ccb9960a044 63 {
WiredHome 24:eee214e3e806 64 #if 1
WiredHome 21:d33f7e1ce811 65 if (m_basicAuthUser)
WiredHome 21:d33f7e1ce811 66 free(m_basicAuthUser);
WiredHome 21:d33f7e1ce811 67 m_basicAuthUser = (char *)malloc(strlen(user)+1);
WiredHome 21:d33f7e1ce811 68 strcpy(m_basicAuthUser, user);
WiredHome 21:d33f7e1ce811 69 if (m_basicAuthPassword)
WiredHome 21:d33f7e1ce811 70 free(m_basicAuthPassword);
WiredHome 21:d33f7e1ce811 71 m_basicAuthPassword = (char *)malloc(strlen(password)+1);
WiredHome 24:eee214e3e806 72 strcpy(m_basicAuthPassword, password);
WiredHome 24:eee214e3e806 73 #else
WiredHome 20:4ea5255c1b04 74 m_basicAuthUser = user;
WiredHome 20:4ea5255c1b04 75 m_basicAuthPassword = password;
WiredHome 24:eee214e3e806 76 #endif
donatien 0:2ccb9960a044 77 }
vwochnik 19:bcbf0af9fac3 78
vwochnik 19:bcbf0af9fac3 79 void HTTPClient::customHeaders(const char **headers, size_t pairs)
vwochnik 19:bcbf0af9fac3 80 {
vwochnik 19:bcbf0af9fac3 81 m_customHeaders = headers;
vwochnik 19:bcbf0af9fac3 82 m_nCustomHeaders = pairs;
vwochnik 19:bcbf0af9fac3 83 }
vwochnik 19:bcbf0af9fac3 84
donatien 0:2ccb9960a044 85
donatien 12:89d09a6db00a 86 HTTPResult HTTPClient::get(const char* url, IHTTPDataIn* pDataIn, int timeout /*= HTTP_CLIENT_DEFAULT_TIMEOUT*/) //Blocking
donatien 0:2ccb9960a044 87 {
WiredHome 33:d4d1475bafc0 88 INFO("url: %s, timeout: %d", url, timeout);
WiredHome 20:4ea5255c1b04 89 return connect(url, HTTP_GET, NULL, pDataIn, timeout);
donatien 0:2ccb9960a044 90 }
donatien 0:2ccb9960a044 91
donatien 12:89d09a6db00a 92 HTTPResult HTTPClient::get(const char* url, char* result, size_t maxResultLen, int timeout /*= HTTP_CLIENT_DEFAULT_TIMEOUT*/) //Blocking
donatien 0:2ccb9960a044 93 {
WiredHome 33:d4d1475bafc0 94 INFO("url: %s, timeout: %d", url, timeout);
WiredHome 20:4ea5255c1b04 95 HTTPText str(result, maxResultLen);
WiredHome 20:4ea5255c1b04 96 return get(url, &str, timeout);
donatien 0:2ccb9960a044 97 }
donatien 0:2ccb9960a044 98
donatien 12:89d09a6db00a 99 HTTPResult HTTPClient::post(const char* url, const IHTTPDataOut& dataOut, IHTTPDataIn* pDataIn, int timeout /*= HTTP_CLIENT_DEFAULT_TIMEOUT*/) //Blocking
donatien 0:2ccb9960a044 100 {
WiredHome 20:4ea5255c1b04 101 return connect(url, HTTP_POST, (IHTTPDataOut*)&dataOut, pDataIn, timeout);
donatien 0:2ccb9960a044 102 }
donatien 0:2ccb9960a044 103
donatien 16:1f743885e7de 104 HTTPResult HTTPClient::put(const char* url, const IHTTPDataOut& dataOut, IHTTPDataIn* pDataIn, int timeout /*= HTTP_CLIENT_DEFAULT_TIMEOUT*/) //Blocking
donatien 16:1f743885e7de 105 {
WiredHome 20:4ea5255c1b04 106 return connect(url, HTTP_PUT, (IHTTPDataOut*)&dataOut, pDataIn, timeout);
donatien 16:1f743885e7de 107 }
donatien 16:1f743885e7de 108
donatien 16:1f743885e7de 109 HTTPResult HTTPClient::del(const char* url, IHTTPDataIn* pDataIn, int timeout /*= HTTP_CLIENT_DEFAULT_TIMEOUT*/) //Blocking
donatien 16:1f743885e7de 110 {
WiredHome 20:4ea5255c1b04 111 return connect(url, HTTP_DELETE, NULL, pDataIn, timeout);
donatien 16:1f743885e7de 112 }
donatien 16:1f743885e7de 113
donatien 16:1f743885e7de 114
donatien 0:2ccb9960a044 115 int HTTPClient::getHTTPResponseCode()
donatien 0:2ccb9960a044 116 {
WiredHome 20:4ea5255c1b04 117 return m_httpResponseCode;
donatien 0:2ccb9960a044 118 }
donatien 0:2ccb9960a044 119
WiredHome 24:eee214e3e806 120 void HTTPClient::setMaxRedirections(int i)
WiredHome 24:eee214e3e806 121 {
WiredHome 24:eee214e3e806 122 if (i < 1)
WiredHome 24:eee214e3e806 123 i = 1;
WiredHome 24:eee214e3e806 124 m_maxredirections = i;
WiredHome 24:eee214e3e806 125 }
WiredHome 24:eee214e3e806 126
donatien 5:791fc3dcb6c4 127 #define CHECK_CONN_ERR(ret) \
donatien 5:791fc3dcb6c4 128 do{ \
donatien 7:4e39864f7b15 129 if(ret) { \
donatien 7:4e39864f7b15 130 m_sock.close(); \
donatien 5:791fc3dcb6c4 131 ERR("Connection error (%d)", ret); \
donatien 11:390362de8c3f 132 return HTTP_CONN; \
donatien 5:791fc3dcb6c4 133 } \
donatien 5:791fc3dcb6c4 134 } while(0)
donatien 5:791fc3dcb6c4 135
donatien 5:791fc3dcb6c4 136 #define PRTCL_ERR() \
donatien 5:791fc3dcb6c4 137 do{ \
donatien 7:4e39864f7b15 138 m_sock.close(); \
donatien 5:791fc3dcb6c4 139 ERR("Protocol error"); \
donatien 11:390362de8c3f 140 return HTTP_PRTCL; \
donatien 5:791fc3dcb6c4 141 } while(0)
donatien 0:2ccb9960a044 142
donatien 12:89d09a6db00a 143 HTTPResult HTTPClient::connect(const char* url, HTTP_METH method, IHTTPDataOut* pDataOut, IHTTPDataIn* pDataIn, int timeout) //Execute request
WiredHome 20:4ea5255c1b04 144 {
WiredHome 20:4ea5255c1b04 145 m_httpResponseCode = 0; //Invalidate code
WiredHome 20:4ea5255c1b04 146 m_timeout = timeout;
WiredHome 20:4ea5255c1b04 147
WiredHome 33:d4d1475bafc0 148 INFO("connect(%s,%d,...,%d)", url, method, timeout);
WiredHome 20:4ea5255c1b04 149 pDataIn->writeReset();
WiredHome 20:4ea5255c1b04 150 if( pDataOut ) {
WiredHome 20:4ea5255c1b04 151 pDataOut->readReset();
WiredHome 20:4ea5255c1b04 152 }
donatien 0:2ccb9960a044 153
WiredHome 20:4ea5255c1b04 154 char scheme[8];
WiredHome 20:4ea5255c1b04 155 uint16_t port;
WiredHome 20:4ea5255c1b04 156 char host[32];
WiredHome 31:96da7c08b5d0 157 char path[MAXLEN_VALUE];
WiredHome 24:eee214e3e806 158 size_t recvContentLength = 0;
WiredHome 24:eee214e3e806 159 bool recvChunked = false;
WiredHome 24:eee214e3e806 160 int crlfPos = 0;
WiredHome 24:eee214e3e806 161 char buf[CHUNK_SIZE];
WiredHome 24:eee214e3e806 162 size_t trfLen;
WiredHome 24:eee214e3e806 163 int ret = 0;
WiredHome 24:eee214e3e806 164
WiredHome 24:eee214e3e806 165 int maxRedirect = m_maxredirections;
donatien 0:2ccb9960a044 166
WiredHome 24:eee214e3e806 167 while (maxRedirect--) {
WiredHome 24:eee214e3e806 168 bool takeRedirect = false;
WiredHome 24:eee214e3e806 169
WiredHome 24:eee214e3e806 170 INFO("parse: [%s]", url);
WiredHome 24:eee214e3e806 171 //First we need to parse the url (http[s]://host[:port][/[path]]) -- HTTPS not supported (yet?)
WiredHome 24:eee214e3e806 172 HTTPResult res = parseURL(url, scheme, sizeof(scheme), host, sizeof(host), &port, path, sizeof(path));
WiredHome 24:eee214e3e806 173 if(res != HTTP_OK) {
WiredHome 24:eee214e3e806 174 ERR("parseURL returned %d", res);
WiredHome 24:eee214e3e806 175 return res;
WiredHome 24:eee214e3e806 176 }
donatien 0:2ccb9960a044 177
WiredHome 24:eee214e3e806 178 if(port == 0) { //TODO do handle HTTPS->443
WiredHome 24:eee214e3e806 179 port = 80;
WiredHome 24:eee214e3e806 180 }
WiredHome 20:4ea5255c1b04 181
WiredHome 24:eee214e3e806 182 DBG("Scheme: %s", scheme);
WiredHome 24:eee214e3e806 183 DBG("Host: %s", host);
WiredHome 24:eee214e3e806 184 DBG("Port: %d", port);
WiredHome 24:eee214e3e806 185 DBG("Path: %s", path);
WiredHome 24:eee214e3e806 186
WiredHome 24:eee214e3e806 187 //Connect
WiredHome 24:eee214e3e806 188 DBG("Connecting socket to server");
WiredHome 24:eee214e3e806 189 ret = m_sock.connect(host, port);
WiredHome 24:eee214e3e806 190 if (ret < 0) {
WiredHome 20:4ea5255c1b04 191 m_sock.close();
WiredHome 24:eee214e3e806 192 ERR("Could not connect");
WiredHome 20:4ea5255c1b04 193 return HTTP_CONN;
WiredHome 20:4ea5255c1b04 194 }
WiredHome 20:4ea5255c1b04 195
WiredHome 24:eee214e3e806 196 //Send request
WiredHome 24:eee214e3e806 197 DBG("Sending request");
WiredHome 24:eee214e3e806 198 const char* meth = (method==HTTP_GET)?"GET":(method==HTTP_POST)?"POST":(method==HTTP_PUT)?"PUT":(method==HTTP_DELETE)?"DELETE":"";
WiredHome 24:eee214e3e806 199 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 31:96da7c08b5d0 200 INFO(" buf{%s}", buf);
WiredHome 20:4ea5255c1b04 201 ret = send(buf);
WiredHome 20:4ea5255c1b04 202 if (ret) {
WiredHome 20:4ea5255c1b04 203 m_sock.close();
WiredHome 20:4ea5255c1b04 204 ERR("Could not write request");
WiredHome 20:4ea5255c1b04 205 return HTTP_CONN;
WiredHome 20:4ea5255c1b04 206 }
donatien 0:2ccb9960a044 207
WiredHome 24:eee214e3e806 208 // send authorization
WiredHome 25:76084defa790 209 INFO("send auth (if defined)");
WiredHome 24:eee214e3e806 210 if (m_basicAuthUser && m_basicAuthPassword) {
WiredHome 24:eee214e3e806 211 strcpy(buf, "Authorization: Basic ");
WiredHome 24:eee214e3e806 212 createauth(m_basicAuthUser, m_basicAuthPassword, buf+strlen(buf), sizeof(buf)-strlen(buf));
WiredHome 24:eee214e3e806 213 strcat(buf, "\r\n");
WiredHome 24:eee214e3e806 214 INFO(" (%s,%s) => (%s)", m_basicAuthUser, m_basicAuthPassword, buf);
WiredHome 20:4ea5255c1b04 215 ret = send(buf);
WiredHome 24:eee214e3e806 216 INFO(" ret = %d", ret);
WiredHome 24:eee214e3e806 217 if(ret) {
WiredHome 24:eee214e3e806 218 m_sock.close();
WiredHome 24:eee214e3e806 219 ERR("Could not write request");
WiredHome 24:eee214e3e806 220 return HTTP_CONN;
WiredHome 24:eee214e3e806 221 }
WiredHome 20:4ea5255c1b04 222 }
WiredHome 20:4ea5255c1b04 223
WiredHome 24:eee214e3e806 224 //Send all headers
WiredHome 25:76084defa790 225 INFO("Send custom header(s) %d (if any)", m_nCustomHeaders);
WiredHome 24:eee214e3e806 226 for (size_t nh = 0; nh < m_nCustomHeaders * 2; nh+=2) {
WiredHome 24:eee214e3e806 227 INFO("hdr[%d] %s:", nh, m_customHeaders[nh]);
WiredHome 24:eee214e3e806 228 INFO(" %s", m_customHeaders[nh+1]);
WiredHome 24:eee214e3e806 229 snprintf(buf, sizeof(buf), "%s: %s\r\n", m_customHeaders[nh], m_customHeaders[nh+1]);
WiredHome 24:eee214e3e806 230 ret = send(buf);
WiredHome 24:eee214e3e806 231 if (ret) {
WiredHome 24:eee214e3e806 232 ERR("closing");
WiredHome 24:eee214e3e806 233 wait_ms(50);
WiredHome 24:eee214e3e806 234 m_sock.close();
WiredHome 24:eee214e3e806 235 ERR("Could not write request");
WiredHome 24:eee214e3e806 236 return HTTP_CONN;
WiredHome 24:eee214e3e806 237 }
WiredHome 24:eee214e3e806 238 INFO(" hdr %d", ret);
WiredHome 24:eee214e3e806 239 }
donatien 0:2ccb9960a044 240
WiredHome 24:eee214e3e806 241 //Send default headers
WiredHome 24:eee214e3e806 242 DBG("Sending headers");
WiredHome 24:eee214e3e806 243 if( pDataOut != NULL ) {
WiredHome 20:4ea5255c1b04 244 if( pDataOut->getIsChunked() ) {
WiredHome 24:eee214e3e806 245 ret = send("Transfer-Encoding: chunked\r\n");
WiredHome 20:4ea5255c1b04 246 CHECK_CONN_ERR(ret);
WiredHome 24:eee214e3e806 247 } else {
WiredHome 24:eee214e3e806 248 snprintf(buf, sizeof(buf), "Content-Length: %d\r\n", pDataOut->getDataLen());
WiredHome 24:eee214e3e806 249 ret = send(buf);
WiredHome 20:4ea5255c1b04 250 CHECK_CONN_ERR(ret);
WiredHome 20:4ea5255c1b04 251 }
WiredHome 24:eee214e3e806 252 char type[48];
WiredHome 24:eee214e3e806 253 if( pDataOut->getDataType(type, 48) == HTTP_OK ) {
WiredHome 24:eee214e3e806 254 snprintf(buf, sizeof(buf), "Content-Type: %s\r\n", type);
WiredHome 24:eee214e3e806 255 ret = send(buf);
WiredHome 20:4ea5255c1b04 256 CHECK_CONN_ERR(ret);
WiredHome 24:eee214e3e806 257 }
WiredHome 24:eee214e3e806 258 }
WiredHome 24:eee214e3e806 259
WiredHome 24:eee214e3e806 260 //Close headers
WiredHome 24:eee214e3e806 261 DBG("Headers sent");
WiredHome 24:eee214e3e806 262 ret = send("\r\n");
WiredHome 24:eee214e3e806 263 CHECK_CONN_ERR(ret);
WiredHome 24:eee214e3e806 264
WiredHome 24:eee214e3e806 265 //Send data (if available)
WiredHome 24:eee214e3e806 266 if( pDataOut != NULL ) {
WiredHome 24:eee214e3e806 267 DBG("Sending data");
WiredHome 24:eee214e3e806 268 while(true) {
WiredHome 24:eee214e3e806 269 size_t writtenLen = 0;
WiredHome 24:eee214e3e806 270 pDataOut->read(buf, CHUNK_SIZE, &trfLen);
WiredHome 24:eee214e3e806 271 if( pDataOut->getIsChunked() ) {
WiredHome 24:eee214e3e806 272 //Write chunk header
WiredHome 24:eee214e3e806 273 char chunkHeader[16];
WiredHome 24:eee214e3e806 274 snprintf(chunkHeader, sizeof(chunkHeader), "%X\r\n", trfLen); //In hex encoding
WiredHome 24:eee214e3e806 275 ret = send(chunkHeader);
WiredHome 24:eee214e3e806 276 CHECK_CONN_ERR(ret);
WiredHome 24:eee214e3e806 277 } else if( trfLen == 0 ) {
WiredHome 24:eee214e3e806 278 break;
WiredHome 24:eee214e3e806 279 }
WiredHome 24:eee214e3e806 280 if( trfLen != 0 ) {
WiredHome 24:eee214e3e806 281 ret = send(buf, trfLen);
WiredHome 24:eee214e3e806 282 CHECK_CONN_ERR(ret);
WiredHome 24:eee214e3e806 283 }
WiredHome 24:eee214e3e806 284
WiredHome 24:eee214e3e806 285 if( pDataOut->getIsChunked() ) {
WiredHome 24:eee214e3e806 286 ret = send("\r\n"); //Chunk-terminating CRLF
WiredHome 24:eee214e3e806 287 CHECK_CONN_ERR(ret);
WiredHome 24:eee214e3e806 288 } else {
WiredHome 24:eee214e3e806 289 writtenLen += trfLen;
WiredHome 24:eee214e3e806 290 if( writtenLen >= pDataOut->getDataLen() ) {
WiredHome 24:eee214e3e806 291 break;
WiredHome 24:eee214e3e806 292 }
WiredHome 24:eee214e3e806 293 }
WiredHome 24:eee214e3e806 294
WiredHome 24:eee214e3e806 295 if( trfLen == 0 ) {
WiredHome 20:4ea5255c1b04 296 break;
WiredHome 20:4ea5255c1b04 297 }
WiredHome 20:4ea5255c1b04 298 }
WiredHome 20:4ea5255c1b04 299
donatien 0:2ccb9960a044 300 }
WiredHome 20:4ea5255c1b04 301
WiredHome 24:eee214e3e806 302 //Receive response
WiredHome 24:eee214e3e806 303 DBG("Receiving response");
WiredHome 25:76084defa790 304 //ret = recv(buf, CHUNK_SIZE - 1, CHUNK_SIZE - 1, &trfLen); //Read n bytes
WiredHome 25:76084defa790 305 ret = recv(buf, 1, CHUNK_SIZE - 1, &trfLen); // recommended by Rob Noble to avoid timeout wait
WiredHome 24:eee214e3e806 306 CHECK_CONN_ERR(ret);
WiredHome 24:eee214e3e806 307 buf[trfLen] = '\0';
WiredHome 24:eee214e3e806 308 INFO("Received \r\n(%s\r\n)", buf);
donatien 0:2ccb9960a044 309
WiredHome 24:eee214e3e806 310 char* crlfPtr = strstr(buf, "\r\n");
WiredHome 24:eee214e3e806 311 if( crlfPtr == NULL) {
WiredHome 24:eee214e3e806 312 PRTCL_ERR();
WiredHome 20:4ea5255c1b04 313 }
donatien 0:2ccb9960a044 314
WiredHome 20:4ea5255c1b04 315 crlfPos = crlfPtr - buf;
WiredHome 20:4ea5255c1b04 316 buf[crlfPos] = '\0';
WiredHome 20:4ea5255c1b04 317
WiredHome 24:eee214e3e806 318 //Parse HTTP response
WiredHome 24:eee214e3e806 319 if( sscanf(buf, "HTTP/%*d.%*d %d %*[^\r\n]", &m_httpResponseCode) != 1 ) {
WiredHome 24:eee214e3e806 320 //Cannot match string, error
WiredHome 26:58b6fe9f596b 321 ERR("Not a correct HTTP answer : {%s}\n", buf);
WiredHome 24:eee214e3e806 322 PRTCL_ERR();
WiredHome 24:eee214e3e806 323 }
donatien 0:2ccb9960a044 324
WiredHome 24:eee214e3e806 325 if( (m_httpResponseCode < 200) || (m_httpResponseCode >= 400) ) {
WiredHome 24:eee214e3e806 326 //Did not return a 2xx code; TODO fetch headers/(&data?) anyway and implement a mean of writing/reading headers
WiredHome 24:eee214e3e806 327 WARN("Response code %d", m_httpResponseCode);
WiredHome 20:4ea5255c1b04 328 PRTCL_ERR();
WiredHome 20:4ea5255c1b04 329 }
WiredHome 20:4ea5255c1b04 330
WiredHome 24:eee214e3e806 331 DBG("Reading headers");
WiredHome 24:eee214e3e806 332
WiredHome 24:eee214e3e806 333 memmove(buf, &buf[crlfPos+2], trfLen - (crlfPos + 2) + 1); //Be sure to move NULL-terminating char as well
WiredHome 24:eee214e3e806 334 trfLen -= (crlfPos + 2);
WiredHome 24:eee214e3e806 335
WiredHome 24:eee214e3e806 336 recvContentLength = 0;
WiredHome 24:eee214e3e806 337 recvChunked = false;
WiredHome 24:eee214e3e806 338 //Now get headers
WiredHome 24:eee214e3e806 339 while( true ) {
WiredHome 24:eee214e3e806 340 crlfPtr = strstr(buf, "\r\n");
WiredHome 24:eee214e3e806 341 if(crlfPtr == NULL) {
WiredHome 24:eee214e3e806 342 if( trfLen < CHUNK_SIZE - 1 ) {
WiredHome 24:eee214e3e806 343 size_t newTrfLen = 0;
WiredHome 24:eee214e3e806 344 ret = recv(buf + trfLen, 1, CHUNK_SIZE - trfLen - 1, &newTrfLen);
WiredHome 24:eee214e3e806 345 trfLen += newTrfLen;
WiredHome 24:eee214e3e806 346 buf[trfLen] = '\0';
WiredHome 24:eee214e3e806 347 DBG("Read %d chars; In buf: [%s]", newTrfLen, buf);
WiredHome 24:eee214e3e806 348 CHECK_CONN_ERR(ret);
WiredHome 24:eee214e3e806 349 continue;
WiredHome 24:eee214e3e806 350 } else {
WiredHome 24:eee214e3e806 351 PRTCL_ERR();
WiredHome 24:eee214e3e806 352 }
WiredHome 24:eee214e3e806 353 }
WiredHome 24:eee214e3e806 354
WiredHome 24:eee214e3e806 355 crlfPos = crlfPtr - buf;
WiredHome 24:eee214e3e806 356
WiredHome 24:eee214e3e806 357 if(crlfPos == 0) { //End of headers
WiredHome 24:eee214e3e806 358 DBG("Headers read");
WiredHome 24:eee214e3e806 359 memmove(buf, &buf[2], trfLen - 2 + 1); //Be sure to move NULL-terminating char as well
WiredHome 24:eee214e3e806 360 trfLen -= 2;
WiredHome 24:eee214e3e806 361 break;
WiredHome 24:eee214e3e806 362 }
WiredHome 24:eee214e3e806 363
WiredHome 24:eee214e3e806 364 buf[crlfPos] = '\0';
WiredHome 24:eee214e3e806 365
WiredHome 24:eee214e3e806 366 char key[32];
WiredHome 31:96da7c08b5d0 367 char value[MAXLEN_VALUE];
WiredHome 24:eee214e3e806 368
WiredHome 24:eee214e3e806 369 key[31] = '\0';
WiredHome 31:96da7c08b5d0 370 value[MAXLEN_VALUE - 1] = '\0';
WiredHome 24:eee214e3e806 371
WiredHome 31:96da7c08b5d0 372 int n = sscanf(buf, "%31[^:]: %160[^\r\n]", key, value);
WiredHome 24:eee214e3e806 373 if ( n == 2 ) {
WiredHome 25:76084defa790 374 DBG("Read header : %s: %s", key, value);
WiredHome 24:eee214e3e806 375 if( !strcmp(key, "Content-Length") ) {
WiredHome 24:eee214e3e806 376 sscanf(value, "%d", &recvContentLength);
WiredHome 24:eee214e3e806 377 pDataIn->setDataLen(recvContentLength);
WiredHome 24:eee214e3e806 378 } else if( !strcmp(key, "Transfer-Encoding") ) {
WiredHome 24:eee214e3e806 379 if( !strcmp(value, "Chunked") || !strcmp(value, "chunked") ) {
WiredHome 24:eee214e3e806 380 recvChunked = true;
WiredHome 24:eee214e3e806 381 pDataIn->setIsChunked(true);
WiredHome 24:eee214e3e806 382 }
WiredHome 24:eee214e3e806 383 } else if( !strcmp(key, "Content-Type") ) {
WiredHome 24:eee214e3e806 384 pDataIn->setDataType(value);
WiredHome 24:eee214e3e806 385 } else if ( !strcmp(key, "Location") ) {
WiredHome 24:eee214e3e806 386 if (m_location)
WiredHome 24:eee214e3e806 387 free(m_location);
WiredHome 24:eee214e3e806 388 m_location = (char *)malloc(strlen(value)+1);
WiredHome 24:eee214e3e806 389 if (m_location) {
WiredHome 24:eee214e3e806 390 strcpy(m_location,value);
WiredHome 24:eee214e3e806 391 url = m_location;
WiredHome 24:eee214e3e806 392 INFO("Following redirect[%d] to [%s]", maxRedirect, url);
WiredHome 24:eee214e3e806 393 m_sock.close();
WiredHome 24:eee214e3e806 394 takeRedirect = true;
WiredHome 24:eee214e3e806 395 break; // exit the while(true) header to follow the redirect
WiredHome 24:eee214e3e806 396 }
WiredHome 24:eee214e3e806 397 }
WiredHome 24:eee214e3e806 398
WiredHome 24:eee214e3e806 399 memmove(buf, &buf[crlfPos+2], trfLen - (crlfPos + 2) + 1); //Be sure to move NULL-terminating char as well
WiredHome 24:eee214e3e806 400 trfLen -= (crlfPos + 2);
WiredHome 24:eee214e3e806 401 } else {
WiredHome 24:eee214e3e806 402 ERR("Could not parse header");
WiredHome 24:eee214e3e806 403 PRTCL_ERR();
WiredHome 24:eee214e3e806 404 }
WiredHome 24:eee214e3e806 405
WiredHome 24:eee214e3e806 406 } // while(true) // get headers
WiredHome 24:eee214e3e806 407 if (!takeRedirect)
WiredHome 24:eee214e3e806 408 break;
WiredHome 24:eee214e3e806 409 } // while (maxRedirect)
donatien 0:2ccb9960a044 410
WiredHome 20:4ea5255c1b04 411 //Receive data
WiredHome 20:4ea5255c1b04 412 DBG("Receiving data");
WiredHome 20:4ea5255c1b04 413 while(true) {
WiredHome 20:4ea5255c1b04 414 size_t readLen = 0;
donatien 0:2ccb9960a044 415
WiredHome 20:4ea5255c1b04 416 if( recvChunked ) {
WiredHome 20:4ea5255c1b04 417 //Read chunk header
WiredHome 20:4ea5255c1b04 418 bool foundCrlf;
WiredHome 20:4ea5255c1b04 419 do {
WiredHome 20:4ea5255c1b04 420 foundCrlf = false;
WiredHome 20:4ea5255c1b04 421 crlfPos=0;
WiredHome 20:4ea5255c1b04 422 buf[trfLen]=0;
WiredHome 20:4ea5255c1b04 423 if(trfLen >= 2) {
WiredHome 20:4ea5255c1b04 424 for(; crlfPos < trfLen - 2; crlfPos++) {
WiredHome 20:4ea5255c1b04 425 if( buf[crlfPos] == '\r' && buf[crlfPos + 1] == '\n' ) {
WiredHome 20:4ea5255c1b04 426 foundCrlf = true;
WiredHome 20:4ea5255c1b04 427 break;
WiredHome 20:4ea5255c1b04 428 }
WiredHome 20:4ea5255c1b04 429 }
WiredHome 20:4ea5255c1b04 430 }
WiredHome 20:4ea5255c1b04 431 if(!foundCrlf) { //Try to read more
WiredHome 20:4ea5255c1b04 432 if( trfLen < CHUNK_SIZE ) {
WiredHome 22:d6b08d9749d6 433 size_t newTrfLen = 0;
WiredHome 20:4ea5255c1b04 434 ret = recv(buf + trfLen, 0, CHUNK_SIZE - trfLen - 1, &newTrfLen);
WiredHome 20:4ea5255c1b04 435 trfLen += newTrfLen;
WiredHome 20:4ea5255c1b04 436 CHECK_CONN_ERR(ret);
WiredHome 20:4ea5255c1b04 437 continue;
WiredHome 20:4ea5255c1b04 438 } else {
WiredHome 20:4ea5255c1b04 439 PRTCL_ERR();
WiredHome 20:4ea5255c1b04 440 }
WiredHome 20:4ea5255c1b04 441 }
WiredHome 20:4ea5255c1b04 442 } while(!foundCrlf);
WiredHome 20:4ea5255c1b04 443 buf[crlfPos] = '\0';
WiredHome 20:4ea5255c1b04 444 int n = sscanf(buf, "%x", &readLen);
WiredHome 20:4ea5255c1b04 445 if(n!=1) {
WiredHome 20:4ea5255c1b04 446 ERR("Could not read chunk length");
WiredHome 20:4ea5255c1b04 447 PRTCL_ERR();
donatien 14:2744e0c0e527 448 }
WiredHome 20:4ea5255c1b04 449
WiredHome 20:4ea5255c1b04 450 memmove(buf, &buf[crlfPos+2], trfLen - (crlfPos + 2)); //Not need to move NULL-terminating char any more
WiredHome 20:4ea5255c1b04 451 trfLen -= (crlfPos + 2);
WiredHome 20:4ea5255c1b04 452
WiredHome 20:4ea5255c1b04 453 if( readLen == 0 ) {
WiredHome 20:4ea5255c1b04 454 //Last chunk
WiredHome 20:4ea5255c1b04 455 break;
WiredHome 20:4ea5255c1b04 456 }
WiredHome 20:4ea5255c1b04 457 } else {
WiredHome 20:4ea5255c1b04 458 readLen = recvContentLength;
donatien 0:2ccb9960a044 459 }
WiredHome 20:4ea5255c1b04 460
WiredHome 20:4ea5255c1b04 461 DBG("Retrieving %d bytes", readLen);
WiredHome 20:4ea5255c1b04 462
WiredHome 20:4ea5255c1b04 463 do {
WiredHome 29:9ee96efc1c20 464 INFO("write %d,%d: %s", trfLen, readLen, buf);
WiredHome 20:4ea5255c1b04 465 pDataIn->write(buf, MIN(trfLen, readLen));
WiredHome 20:4ea5255c1b04 466 if( trfLen > readLen ) {
WiredHome 20:4ea5255c1b04 467 memmove(buf, &buf[readLen], trfLen - readLen);
WiredHome 20:4ea5255c1b04 468 trfLen -= readLen;
WiredHome 20:4ea5255c1b04 469 readLen = 0;
WiredHome 20:4ea5255c1b04 470 } else {
WiredHome 20:4ea5255c1b04 471 readLen -= trfLen;
WiredHome 20:4ea5255c1b04 472 }
WiredHome 20:4ea5255c1b04 473
WiredHome 20:4ea5255c1b04 474 if(readLen) {
WiredHome 20:4ea5255c1b04 475 ret = recv(buf, 1, CHUNK_SIZE - trfLen - 1, &trfLen);
WiredHome 20:4ea5255c1b04 476 CHECK_CONN_ERR(ret);
WiredHome 20:4ea5255c1b04 477 }
WiredHome 20:4ea5255c1b04 478 } while(readLen);
WiredHome 20:4ea5255c1b04 479
WiredHome 20:4ea5255c1b04 480 if( recvChunked ) {
WiredHome 20:4ea5255c1b04 481 if(trfLen < 2) {
WiredHome 20:4ea5255c1b04 482 size_t newTrfLen;
WiredHome 20:4ea5255c1b04 483 //Read missing chars to find end of chunk
WiredHome 29:9ee96efc1c20 484 INFO("read chunk");
WiredHome 20:4ea5255c1b04 485 ret = recv(buf + trfLen, 2 - trfLen, CHUNK_SIZE - trfLen - 1, &newTrfLen);
WiredHome 20:4ea5255c1b04 486 CHECK_CONN_ERR(ret);
WiredHome 20:4ea5255c1b04 487 trfLen += newTrfLen;
WiredHome 20:4ea5255c1b04 488 }
WiredHome 20:4ea5255c1b04 489 if( (buf[0] != '\r') || (buf[1] != '\n') ) {
WiredHome 20:4ea5255c1b04 490 ERR("Format error");
WiredHome 20:4ea5255c1b04 491 PRTCL_ERR();
WiredHome 20:4ea5255c1b04 492 }
WiredHome 20:4ea5255c1b04 493 memmove(buf, &buf[2], trfLen - 2);
WiredHome 20:4ea5255c1b04 494 trfLen -= 2;
WiredHome 20:4ea5255c1b04 495 } else {
WiredHome 20:4ea5255c1b04 496 break;
donatien 0:2ccb9960a044 497 }
donatien 0:2ccb9960a044 498
donatien 0:2ccb9960a044 499 }
donatien 0:2ccb9960a044 500
WiredHome 20:4ea5255c1b04 501 m_sock.close();
WiredHome 20:4ea5255c1b04 502 DBG("Completed HTTP transaction");
donatien 0:2ccb9960a044 503
WiredHome 20:4ea5255c1b04 504 return HTTP_OK;
donatien 0:2ccb9960a044 505 }
donatien 0:2ccb9960a044 506
donatien 11:390362de8c3f 507 HTTPResult HTTPClient::recv(char* buf, size_t minLen, size_t maxLen, size_t* pReadLen) //0 on success, err code on failure
donatien 0:2ccb9960a044 508 {
WiredHome 20:4ea5255c1b04 509 DBG("Trying to read between %d and %d bytes", minLen, maxLen);
WiredHome 20:4ea5255c1b04 510 size_t readLen = 0;
WiredHome 20:4ea5255c1b04 511
WiredHome 20:4ea5255c1b04 512 if (!m_sock.is_connected()) {
WiredHome 20:4ea5255c1b04 513 WARN("Connection was closed by server");
WiredHome 20:4ea5255c1b04 514 return HTTP_CLOSED; //Connection was closed by server
donatien 7:4e39864f7b15 515 }
WiredHome 20:4ea5255c1b04 516
WiredHome 20:4ea5255c1b04 517 int ret;
WiredHome 20:4ea5255c1b04 518 while (readLen < maxLen) {
WiredHome 20:4ea5255c1b04 519 if (readLen < minLen) {
WiredHome 29:9ee96efc1c20 520 DBG("Trying to read at most %4d bytes [Blocking] %d,%d", minLen - readLen, minLen, readLen);
WiredHome 20:4ea5255c1b04 521 m_sock.set_blocking(false, m_timeout);
WiredHome 20:4ea5255c1b04 522 ret = m_sock.receive_all(buf + readLen, minLen - readLen);
WiredHome 20:4ea5255c1b04 523 } else {
WiredHome 29:9ee96efc1c20 524 DBG("Trying to read at most %4d bytes [Not blocking] %d,%d", maxLen - readLen, maxLen, readLen);
WiredHome 20:4ea5255c1b04 525 m_sock.set_blocking(false, 0);
WiredHome 20:4ea5255c1b04 526 ret = m_sock.receive(buf + readLen, maxLen - readLen);
WiredHome 20:4ea5255c1b04 527 }
WiredHome 20:4ea5255c1b04 528
WiredHome 20:4ea5255c1b04 529 if (ret > 0) {
WiredHome 20:4ea5255c1b04 530 readLen += ret;
WiredHome 20:4ea5255c1b04 531 } else if ( ret == 0 ) {
WiredHome 20:4ea5255c1b04 532 break;
WiredHome 20:4ea5255c1b04 533 } else {
WiredHome 20:4ea5255c1b04 534 if (!m_sock.is_connected()) {
WiredHome 20:4ea5255c1b04 535 ERR("Connection error (recv returned %d)", ret);
WiredHome 20:4ea5255c1b04 536 *pReadLen = readLen;
WiredHome 20:4ea5255c1b04 537 return HTTP_CONN;
WiredHome 20:4ea5255c1b04 538 } else {
WiredHome 20:4ea5255c1b04 539 break;
WiredHome 20:4ea5255c1b04 540 }
WiredHome 20:4ea5255c1b04 541 }
WiredHome 20:4ea5255c1b04 542 if (!m_sock.is_connected()) {
WiredHome 20:4ea5255c1b04 543 break;
WiredHome 20:4ea5255c1b04 544 }
donatien 7:4e39864f7b15 545 }
WiredHome 20:4ea5255c1b04 546 DBG("Read %d bytes", readLen);
WiredHome 29:9ee96efc1c20 547 buf[readLen] = '\0'; // DS makes it easier to see what's new.
WiredHome 20:4ea5255c1b04 548 *pReadLen = readLen;
WiredHome 20:4ea5255c1b04 549 return HTTP_OK;
donatien 7:4e39864f7b15 550 }
donatien 7:4e39864f7b15 551
donatien 11:390362de8c3f 552 HTTPResult HTTPClient::send(char* buf, size_t len) //0 on success, err code on failure
donatien 7:4e39864f7b15 553 {
WiredHome 20:4ea5255c1b04 554 if(len == 0) {
WiredHome 20:4ea5255c1b04 555 len = strlen(buf);
WiredHome 20:4ea5255c1b04 556 }
WiredHome 20:4ea5255c1b04 557 DBG("send(%s,%d)", buf, len);
WiredHome 20:4ea5255c1b04 558 size_t writtenLen = 0;
WiredHome 20:4ea5255c1b04 559
WiredHome 20:4ea5255c1b04 560 if(!m_sock.is_connected()) {
WiredHome 20:4ea5255c1b04 561 WARN("Connection was closed by server");
WiredHome 20:4ea5255c1b04 562 return HTTP_CLOSED; //Connection was closed by server
WiredHome 20:4ea5255c1b04 563 }
WiredHome 20:4ea5255c1b04 564
WiredHome 20:4ea5255c1b04 565 m_sock.set_blocking(false, m_timeout);
WiredHome 20:4ea5255c1b04 566 int ret = m_sock.send_all(buf, len);
WiredHome 20:4ea5255c1b04 567 if(ret > 0) {
WiredHome 20:4ea5255c1b04 568 writtenLen += ret;
WiredHome 20:4ea5255c1b04 569 } else if( ret == 0 ) {
WiredHome 20:4ea5255c1b04 570 WARN("Connection was closed by server");
WiredHome 20:4ea5255c1b04 571 return HTTP_CLOSED; //Connection was closed by server
WiredHome 20:4ea5255c1b04 572 } else {
WiredHome 20:4ea5255c1b04 573 ERR("Connection error (send returned %d)", ret);
WiredHome 20:4ea5255c1b04 574 return HTTP_CONN;
WiredHome 20:4ea5255c1b04 575 }
WiredHome 20:4ea5255c1b04 576
WiredHome 20:4ea5255c1b04 577 DBG("Written %d bytes", writtenLen);
WiredHome 20:4ea5255c1b04 578 return HTTP_OK;
donatien 0:2ccb9960a044 579 }
donatien 0:2ccb9960a044 580
donatien 11:390362de8c3f 581 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 582 {
WiredHome 20:4ea5255c1b04 583 char* schemePtr = (char*) url;
WiredHome 20:4ea5255c1b04 584 char* hostPtr = (char*) strstr(url, "://");
WiredHome 20:4ea5255c1b04 585 if(hostPtr == NULL) {
WiredHome 20:4ea5255c1b04 586 WARN("Could not find host");
WiredHome 20:4ea5255c1b04 587 return HTTP_PARSE; //URL is invalid
WiredHome 20:4ea5255c1b04 588 }
WiredHome 20:4ea5255c1b04 589
WiredHome 20:4ea5255c1b04 590 if( maxSchemeLen < hostPtr - schemePtr + 1 ) { //including NULL-terminating char
WiredHome 20:4ea5255c1b04 591 WARN("Scheme str is too small (%d >= %d)", maxSchemeLen, hostPtr - schemePtr + 1);
WiredHome 20:4ea5255c1b04 592 return HTTP_PARSE;
WiredHome 20:4ea5255c1b04 593 }
WiredHome 20:4ea5255c1b04 594 memcpy(scheme, schemePtr, hostPtr - schemePtr);
WiredHome 20:4ea5255c1b04 595 scheme[hostPtr - schemePtr] = '\0';
donatien 0:2ccb9960a044 596
WiredHome 20:4ea5255c1b04 597 hostPtr+=3;
donatien 0:2ccb9960a044 598
WiredHome 20:4ea5255c1b04 599 size_t hostLen = 0;
donatien 0:2ccb9960a044 600
WiredHome 20:4ea5255c1b04 601 char* portPtr = strchr(hostPtr, ':');
WiredHome 20:4ea5255c1b04 602 if( portPtr != NULL ) {
WiredHome 20:4ea5255c1b04 603 hostLen = portPtr - hostPtr;
WiredHome 20:4ea5255c1b04 604 portPtr++;
WiredHome 20:4ea5255c1b04 605 if( sscanf(portPtr, "%hu", port) != 1) {
WiredHome 20:4ea5255c1b04 606 WARN("Could not find port");
WiredHome 20:4ea5255c1b04 607 return HTTP_PARSE;
WiredHome 20:4ea5255c1b04 608 }
WiredHome 20:4ea5255c1b04 609 } else {
WiredHome 20:4ea5255c1b04 610 *port=0;
donatien 0:2ccb9960a044 611 }
WiredHome 20:4ea5255c1b04 612 char* pathPtr = strchr(hostPtr, '/');
WiredHome 20:4ea5255c1b04 613 if( hostLen == 0 ) {
WiredHome 20:4ea5255c1b04 614 hostLen = pathPtr - hostPtr;
WiredHome 20:4ea5255c1b04 615 }
donatien 0:2ccb9960a044 616
WiredHome 20:4ea5255c1b04 617 if( maxHostLen < hostLen + 1 ) { //including NULL-terminating char
WiredHome 20:4ea5255c1b04 618 WARN("Host str is too small (%d >= %d)", maxHostLen, hostLen + 1);
WiredHome 20:4ea5255c1b04 619 return HTTP_PARSE;
WiredHome 20:4ea5255c1b04 620 }
WiredHome 20:4ea5255c1b04 621 memcpy(host, hostPtr, hostLen);
WiredHome 20:4ea5255c1b04 622 host[hostLen] = '\0';
donatien 0:2ccb9960a044 623
WiredHome 20:4ea5255c1b04 624 size_t pathLen;
WiredHome 20:4ea5255c1b04 625 char* fragmentPtr = strchr(hostPtr, '#');
WiredHome 20:4ea5255c1b04 626 if(fragmentPtr != NULL) {
WiredHome 20:4ea5255c1b04 627 pathLen = fragmentPtr - pathPtr;
WiredHome 20:4ea5255c1b04 628 } else {
WiredHome 20:4ea5255c1b04 629 pathLen = strlen(pathPtr);
WiredHome 20:4ea5255c1b04 630 }
donatien 0:2ccb9960a044 631
WiredHome 20:4ea5255c1b04 632 if( maxPathLen < pathLen + 1 ) { //including NULL-terminating char
WiredHome 20:4ea5255c1b04 633 WARN("Path str is too small (%d >= %d)", maxPathLen, pathLen + 1);
WiredHome 20:4ea5255c1b04 634 return HTTP_PARSE;
WiredHome 20:4ea5255c1b04 635 }
WiredHome 20:4ea5255c1b04 636 memcpy(path, pathPtr, pathLen);
WiredHome 20:4ea5255c1b04 637 path[pathLen] = '\0';
donatien 0:2ccb9960a044 638
WiredHome 20:4ea5255c1b04 639 return HTTP_OK;
donatien 0:2ccb9960a044 640 }
kazushi2008 18:cf5d7427a9ec 641
WiredHome 20:4ea5255c1b04 642 void HTTPClient::createauth (const char *user, const char *pwd, char *buf, int len)
WiredHome 20:4ea5255c1b04 643 {
kazushi2008 18:cf5d7427a9ec 644 char tmp[80];
WiredHome 20:4ea5255c1b04 645
kazushi2008 18:cf5d7427a9ec 646 snprintf(tmp, sizeof(tmp), "%s:%s", user, pwd);
kazushi2008 18:cf5d7427a9ec 647 base64enc(tmp, strlen(tmp), &buf[strlen(buf)], len - strlen(buf));
kazushi2008 18:cf5d7427a9ec 648 }
kazushi2008 18:cf5d7427a9ec 649
kazushi2008 18:cf5d7427a9ec 650 // Copyright (c) 2010 Donatien Garnier (donatiengar [at] gmail [dot] com)
WiredHome 20:4ea5255c1b04 651 int HTTPClient::base64enc(const char *input, unsigned int length, char *output, int len)
WiredHome 20:4ea5255c1b04 652 {
WiredHome 20:4ea5255c1b04 653 static const char base64[] = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/";
WiredHome 20:4ea5255c1b04 654 unsigned int c, c1, c2, c3;
WiredHome 20:4ea5255c1b04 655
WiredHome 20:4ea5255c1b04 656 if (len < ((((length-1)/3)+1)<<2)) return -1;
WiredHome 20:4ea5255c1b04 657 for(unsigned int i = 0, j = 0; i<length; i+=3,j+=4) {
WiredHome 20:4ea5255c1b04 658 c1 = ((((unsigned char)*((unsigned char *)&input[i]))));
WiredHome 20:4ea5255c1b04 659 c2 = (length>i+1)?((((unsigned char)*((unsigned char *)&input[i+1])))):0;
WiredHome 20:4ea5255c1b04 660 c3 = (length>i+2)?((((unsigned char)*((unsigned char *)&input[i+2])))):0;
WiredHome 20:4ea5255c1b04 661
WiredHome 20:4ea5255c1b04 662 c = ((c1 & 0xFC) >> 2);
WiredHome 20:4ea5255c1b04 663 output[j+0] = base64[c];
WiredHome 20:4ea5255c1b04 664 c = ((c1 & 0x03) << 4) | ((c2 & 0xF0) >> 4);
WiredHome 20:4ea5255c1b04 665 output[j+1] = base64[c];
WiredHome 20:4ea5255c1b04 666 c = ((c2 & 0x0F) << 2) | ((c3 & 0xC0) >> 6);
WiredHome 20:4ea5255c1b04 667 output[j+2] = (length>i+1)?base64[c]:'=';
WiredHome 20:4ea5255c1b04 668 c = (c3 & 0x3F);
WiredHome 20:4ea5255c1b04 669 output[j+3] = (length>i+2)?base64[c]:'=';
WiredHome 20:4ea5255c1b04 670 }
WiredHome 20:4ea5255c1b04 671 output[(((length-1)/3)+1)<<2] = '\0';
WiredHome 20:4ea5255c1b04 672 return 0;
kazushi2008 18:cf5d7427a9ec 673 }