Sarah Marsh / HTTPClient-SSL

Eliminated unessecary logic when defining chunk size

Dependencies:   CyaSSL

Dependents:   ECE_4180_Lab_4 IoT_Security_WIFI ESP8266_HTTP_HelloWorld ESP8266_ws_hw ... more

Fork of HTTPClient-SSL by Doug Anson

HTTPClient.cpp@50:a18a06b000f3, 2015-06-09 (annotated)

Committer:
sarahmarshy
Date:
Tue Jun 09 16:26:02 2015 +0000
Revision:
50:a18a06b000f3
Parent:
49:a564fc323921 
Changed global variable to global pointer

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 */
ansond 29:2d96cc752d19 19
ansond 46:7cd69cc809b8 20 // RTOS for Thread definition
ansond 35:16f0a44cc53e 21 #include "rtos.h"
ansond 35:16f0a44cc53e 22
donatien 7:4e39864f7b15 23 //Debug is disabled by default
ansond 38:38720bd5dd16 24 #if 0
donatien 12:89d09a6db00a 25 //Enable debug
donatien 11:390362de8c3f 26 #include <cstdio>
ansond 37:29941a3bae90 27 #define DBG(x, ...) std::printf("[HTTPClient : DBG] "x"\r\n", ##__VA_ARGS__);
ansond 37:29941a3bae90 28 #define WARN(x, ...) std::printf("[HTTPClient : WARN] "x"\r\n", ##__VA_ARGS__);
ansond 37:29941a3bae90 29 #define ERR(x, ...) std::printf("[HTTPClient : ERR] "x"\r\n", ##__VA_ARGS__);
donatien 12:89d09a6db00a 30
donatien 12:89d09a6db00a 31 #else
donatien 12:89d09a6db00a 32 //Disable debug
wolfSSL 18:d89df40b4cf3 33 #define DBG(x, ...)
donatien 12:89d09a6db00a 34 #define WARN(x, ...)
wolfSSL 18:d89df40b4cf3 35 #define ERR(x, ...)
donatien 12:89d09a6db00a 36
donatien 7:4e39864f7b15 37 #endif
donatien 0:2ccb9960a044 38
donatien 0:2ccb9960a044 39 #define HTTP_PORT 80
wolfSSL 17:c73d8e61d391 40 #define HTTPS_PORT 443
donatien 0:2ccb9960a044 41
donatien 11:390362de8c3f 42 #define OK 0
donatien 11:390362de8c3f 43
donatien 11:390362de8c3f 44 #define MIN(x,y) (((x)<(y))?(x):(y))
donatien 11:390362de8c3f 45 #define MAX(x,y) (((x)>(y))?(x):(y))
donatien 11:390362de8c3f 46
wolfSSL 17:c73d8e61d391 47 #include <cstring>
donatien 0:2ccb9960a044 48
wolfSSL 17:c73d8e61d391 49 #include <../CyaSSL/cyassl/ctaocrypt/settings.h>
wolfSSL 17:c73d8e61d391 50 #include <../CyaSSL/cyassl/ctaocrypt/types.h>
wolfSSL 17:c73d8e61d391 51 #include <../CyaSSL/cyassl/internal.h>
wolfSSL 17:c73d8e61d391 52 #include <../CyaSSL/cyassl/ssl.h>
donatien 0:2ccb9960a044 53
donatien 11:390362de8c3f 54 #include "HTTPClient.h"
wolfSSL 17:c73d8e61d391 55
sarahmarshy 50:a18a06b000f3 56
ansond 40:c0a52a6bb50f 57
sarahmarshy 49:a564fc323921 58 // ************ should be a better way to adjust for platform limitations
ansond 40:c0a52a6bb50f 59
ansond 40:c0a52a6bb50f 60 #if defined (TARGET_K64F)
ansond 46:7cd69cc809b8 61 // can use larger buffers since we have (lots) more memory
ansond 46:7cd69cc809b8 62 #define BIG_MEMORY_CHUNK 4096
ansond 46:7cd69cc809b8 63 #define CHUNK_SIZE 768
ansond 46:7cd69cc809b8 64 #define SEND_BUF_SIZE BIG_MEMORY_CHUNK
ansond 46:7cd69cc809b8 65 #define MAX_URL_HOSTNAME_LENGTH 256
ansond 46:7cd69cc809b8 66 #define MAX_URL_PATH_LENGTH BIG_MEMORY_CHUNK
ansond 46:7cd69cc809b8 67 #define MAX_HEADER_VALUE_LENGTH BIG_MEMORY_CHUNK
ansond 46:7cd69cc809b8 68 #define MAX_HEADER_KEY_LENGTH 40
ansond 46:7cd69cc809b8 69 #define HEADER_SCANF_FORMAT "%40[^:]: %4096[^\r\n]" /* must align with BIG_MEMORY_CHUNK */
ansond 46:7cd69cc809b8 70 #define REDIRECT_SCANF_FORMAT "%40[^:]: %4096[^\r\n]" /* must align with BIG_MEMORY_CHUNK */
ansond 40:c0a52a6bb50f 71 #else
ansond 40:c0a52a6bb50f 72 // default smaller buffers
ansond 46:7cd69cc809b8 73 #define CHUNK_SIZE 256
ansond 46:7cd69cc809b8 74 #define SEND_BUF_SIZE 1100
ansond 46:7cd69cc809b8 75 #define MAX_URL_HOSTNAME_LENGTH 128
ansond 46:7cd69cc809b8 76 #define MAX_URL_PATH_LENGTH 128
ansond 46:7cd69cc809b8 77 #define MAX_HEADER_VALUE_LENGTH 41
ansond 46:7cd69cc809b8 78 #define MAX_HEADER_KEY_LENGTH 40
ansond 46:7cd69cc809b8 79 #define HEADER_SCANF_FORMAT "%40[^:]: %40[^\r\n]" /* must align with MAX_HEADER_VALUE_LENGTH */
ansond 46:7cd69cc809b8 80 #define REDIRECT_SCANF_FORMAT "%40[^:]: %128[^\r\n]" /* must align with MAX_URL_PATH_LENGTH */
ansond 40:c0a52a6bb50f 81 #endif
ansond 40:c0a52a6bb50f 82
ansond 40:c0a52a6bb50f 83 // ************ should be a better way to adjust for platform limitations
ansond 40:c0a52a6bb50f 84
wolfSSL 17:c73d8e61d391 85 static char send_buf[SEND_BUF_SIZE] ;
ansond 32:d9db238bb8a3 86 static char *send_buf_p = NULL;
sarahmarshy 50:a18a06b000f3 87 static TCPSocketConnection* m_sock_p = NULL;
donatien 11:390362de8c3f 88
wolfSSL 22:4b9a4151cc73 89 static void base64enc(char *out, const char *in) {
wolfSSL 22:4b9a4151cc73 90 const char code[] = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/=" ;
wolfSSL 22:4b9a4151cc73 91 int i = 0, x = 0, l = 0;
wolfSSL 22:4b9a4151cc73 92
wolfSSL 22:4b9a4151cc73 93 for (; *in; in++) {
wolfSSL 22:4b9a4151cc73 94 x = x << 8 | *in;
wolfSSL 22:4b9a4151cc73 95 for (l += 8; l >= 6; l -= 6) {
wolfSSL 22:4b9a4151cc73 96 out[i++] = code[(x >> (l - 6)) & 0x3f];
wolfSSL 22:4b9a4151cc73 97 }
wolfSSL 22:4b9a4151cc73 98 }
wolfSSL 22:4b9a4151cc73 99 if (l > 0) {
wolfSSL 22:4b9a4151cc73 100 x <<= 6 - l;
wolfSSL 22:4b9a4151cc73 101 out[i++] = code[x & 0x3f];
wolfSSL 22:4b9a4151cc73 102 }
wolfSSL 22:4b9a4151cc73 103 for (; i % 4;) {
wolfSSL 22:4b9a4151cc73 104 out[i++] = '=';
wolfSSL 22:4b9a4151cc73 105 }
wolfSSL 22:4b9a4151cc73 106 out[i] = '\0' ;
wolfSSL 22:4b9a4151cc73 107 }
sarahmarshy 50:a18a06b000f3 108 int SocketReceive(CYASSL* ssl, char *buf, int sz, void *ctx)
sarahmarshy 50:a18a06b000f3 109 {
sarahmarshy 50:a18a06b000f3 110 int n ;
sarahmarshy 50:a18a06b000f3 111 int i ;
sarahmarshy 50:a18a06b000f3 112 #define RECV_RETRY 3
sarahmarshy 50:a18a06b000f3 113
sarahmarshy 50:a18a06b000f3 114 for(i=0; i<RECV_RETRY; i++) {
sarahmarshy 50:a18a06b000f3 115 n = m_sock_p->receive(buf, sz) ;
sarahmarshy 50:a18a06b000f3 116 if(n >= 0)return n ;
sarahmarshy 50:a18a06b000f3 117 Thread::wait(200) ;
sarahmarshy 50:a18a06b000f3 118 }
sarahmarshy 50:a18a06b000f3 119 ERR("SocketReceive:%d/%d\n", n, sz) ;
sarahmarshy 50:a18a06b000f3 120 return n ;
sarahmarshy 50:a18a06b000f3 121 }
sarahmarshy 50:a18a06b000f3 122 int SocketSend(CYASSL* ssl, char *buf, int sz, void *ctx)
sarahmarshy 50:a18a06b000f3 123 {
sarahmarshy 50:a18a06b000f3 124 int n ;
sarahmarshy 50:a18a06b000f3 125
sarahmarshy 50:a18a06b000f3 126 Thread::wait(100) ;
sarahmarshy 50:a18a06b000f3 127 n = m_sock_p->send(buf, sz);
sarahmarshy 50:a18a06b000f3 128 if(n > 0) {
sarahmarshy 50:a18a06b000f3 129 Thread::wait(300) ;
sarahmarshy 50:a18a06b000f3 130 return n ;
sarahmarshy 50:a18a06b000f3 131 } else ERR("SocketSend:%d/%d\n", n, sz);
sarahmarshy 50:a18a06b000f3 132 return n ;
sarahmarshy 50:a18a06b000f3 133 }
wolfSSL 22:4b9a4151cc73 134
donatien 0:2ccb9960a044 135 HTTPClient::HTTPClient() :
ansond 36:debaeb6006a7 136 m_basicAuthUser(NULL), m_basicAuthPassword(NULL), m_httpResponseCode(0), m_oauthToken(NULL)
donatien 0:2ccb9960a044 137 {
ansond 37:29941a3bae90 138 // To DEBUG the underlying SSL - uncomment this...
ansond 38:38720bd5dd16 139 //CyaSSL_Debugging_ON();
wolfSSL 18:d89df40b4cf3 140 ctx = 0 ;
wolfSSL 18:d89df40b4cf3 141 ssl = 0 ;
wolfSSL 22:4b9a4151cc73 142 SSLver = 3 ;
wolfSSL 27:5d4739eae63e 143 m_basicAuthUser = NULL ;
ansond 36:debaeb6006a7 144 m_basicAuthPassword = NULL;
ansond 36:debaeb6006a7 145 m_httpResponseCode = 0;
ansond 36:debaeb6006a7 146 m_oauthToken = NULL;
wolfSSL 27:5d4739eae63e 147 redirect_url = NULL ;
wolfSSL 27:5d4739eae63e 148 redirect = 0 ;
wolfSSL 27:5d4739eae63e 149 header = NULL ;
sarahmarshy 50:a18a06b000f3 150 m_sock_p = &m_sock;
donatien 0:2ccb9960a044 151 }
donatien 0:2ccb9960a044 152
donatien 0:2ccb9960a044 153 HTTPClient::~HTTPClient()
donatien 0:2ccb9960a044 154 {
donatien 0:2ccb9960a044 155
donatien 0:2ccb9960a044 156 }
donatien 0:2ccb9960a044 157
sarahmarshy 50:a18a06b000f3 158
ansond 36:debaeb6006a7 159 HTTPResult HTTPClient::oauthToken(const char *token) { // OAUTH2 Authentication
ansond 36:debaeb6006a7 160 // reset if called
ansond 36:debaeb6006a7 161 if (m_oauthToken != NULL) free((void *)m_oauthToken);
ansond 36:debaeb6006a7 162 m_oauthToken = NULL;
ansond 36:debaeb6006a7 163
ansond 36:debaeb6006a7 164 // fill in if able...
ansond 36:debaeb6006a7 165 if (token != NULL && strlen(token) > 0) {
ansond 36:debaeb6006a7 166 m_oauthToken = (char *)malloc(strlen(token)+1);
ansond 36:debaeb6006a7 167 memset((void *)m_oauthToken,0,strlen(token)+1);
ansond 36:debaeb6006a7 168 strcpy((char *)m_oauthToken,token);
ansond 36:debaeb6006a7 169 this->basicAuth(NULL,NULL);
ansond 36:debaeb6006a7 170 }
ansond 36:debaeb6006a7 171
ansond 36:debaeb6006a7 172 return HTTP_OK ;
ansond 36:debaeb6006a7 173 }
ansond 36:debaeb6006a7 174
wolfSSL 22:4b9a4151cc73 175 HTTPResult HTTPClient::basicAuth(const char* user, const char* password) //Basic Authentification
donatien 0:2ccb9960a044 176 {
wolfSSL 22:4b9a4151cc73 177 #define AUTHB_SIZE 128
wolfSSL 22:4b9a4151cc73 178 if((strlen(user) + strlen(password)) >= AUTHB_SIZE)
wolfSSL 22:4b9a4151cc73 179 return HTTP_ERROR ;
ansond 30:6fef375c94e6 180
ansond 30:6fef375c94e6 181 if (m_basicAuthUser) free((void *)m_basicAuthUser);
ansond 30:6fef375c94e6 182 if (user != NULL) {
ansond 30:6fef375c94e6 183 m_basicAuthUser = (char *)malloc(strlen(user)+1);
ansond 30:6fef375c94e6 184 strcpy((char *)m_basicAuthUser, user);
ansond 36:debaeb6006a7 185 this->oauthToken(NULL);
ansond 30:6fef375c94e6 186 }
ansond 30:6fef375c94e6 187
ansond 30:6fef375c94e6 188 if (m_basicAuthPassword) free((void *)m_basicAuthPassword);
ansond 30:6fef375c94e6 189 if (password != NULL) {
ansond 30:6fef375c94e6 190 m_basicAuthPassword = (char *)malloc(strlen(password)+1);
ansond 30:6fef375c94e6 191 strcpy((char *)m_basicAuthPassword, password);
ansond 36:debaeb6006a7 192 this->oauthToken(NULL);
ansond 30:6fef375c94e6 193 }
ansond 30:6fef375c94e6 194
wolfSSL 22:4b9a4151cc73 195 return HTTP_OK ;
donatien 0:2ccb9960a044 196 }
donatien 0:2ccb9960a044 197
donatien 12:89d09a6db00a 198 HTTPResult HTTPClient::get(const char* url, IHTTPDataIn* pDataIn, int timeout /*= HTTP_CLIENT_DEFAULT_TIMEOUT*/) //Blocking
donatien 0:2ccb9960a044 199 {
wolfSSL 18:d89df40b4cf3 200 return connect(url, HTTP_GET, NULL, pDataIn, timeout);
donatien 0:2ccb9960a044 201 }
donatien 0:2ccb9960a044 202
donatien 12:89d09a6db00a 203 HTTPResult HTTPClient::get(const char* url, char* result, size_t maxResultLen, int timeout /*= HTTP_CLIENT_DEFAULT_TIMEOUT*/) //Blocking
donatien 0:2ccb9960a044 204 {
wolfSSL 18:d89df40b4cf3 205 HTTPText str(result, maxResultLen);
wolfSSL 18:d89df40b4cf3 206 return get(url, &str, timeout);
donatien 0:2ccb9960a044 207 }
donatien 0:2ccb9960a044 208
donatien 12:89d09a6db00a 209 HTTPResult HTTPClient::post(const char* url, const IHTTPDataOut& dataOut, IHTTPDataIn* pDataIn, int timeout /*= HTTP_CLIENT_DEFAULT_TIMEOUT*/) //Blocking
donatien 0:2ccb9960a044 210 {
wolfSSL 18:d89df40b4cf3 211 return connect(url, HTTP_POST, (IHTTPDataOut*)&dataOut, pDataIn, timeout);
donatien 0:2ccb9960a044 212 }
donatien 0:2ccb9960a044 213
donatien 16:1f743885e7de 214 HTTPResult HTTPClient::put(const char* url, const IHTTPDataOut& dataOut, IHTTPDataIn* pDataIn, int timeout /*= HTTP_CLIENT_DEFAULT_TIMEOUT*/) //Blocking
donatien 16:1f743885e7de 215 {
wolfSSL 18:d89df40b4cf3 216 return connect(url, HTTP_PUT, (IHTTPDataOut*)&dataOut, pDataIn, timeout);
donatien 16:1f743885e7de 217 }
donatien 16:1f743885e7de 218
donatien 16:1f743885e7de 219 HTTPResult HTTPClient::del(const char* url, IHTTPDataIn* pDataIn, int timeout /*= HTTP_CLIENT_DEFAULT_TIMEOUT*/) //Blocking
donatien 16:1f743885e7de 220 {
wolfSSL 18:d89df40b4cf3 221 return connect(url, HTTP_DELETE, NULL, pDataIn, timeout);
donatien 16:1f743885e7de 222 }
donatien 16:1f743885e7de 223
donatien 16:1f743885e7de 224
donatien 0:2ccb9960a044 225 int HTTPClient::getHTTPResponseCode()
donatien 0:2ccb9960a044 226 {
wolfSSL 18:d89df40b4cf3 227 return m_httpResponseCode;
donatien 0:2ccb9960a044 228 }
donatien 0:2ccb9960a044 229
wolfSSL 27:5d4739eae63e 230 void HTTPClient::setHeader(const char * h)
wolfSSL 17:c73d8e61d391 231 {
wolfSSL 17:c73d8e61d391 232 header = h ;
wolfSSL 17:c73d8e61d391 233 }
wolfSSL 17:c73d8e61d391 234
wolfSSL 27:5d4739eae63e 235 void HTTPClient::setLocationBuf(char * url, int size)
wolfSSL 27:5d4739eae63e 236 {
wolfSSL 27:5d4739eae63e 237 redirect_url = url ;
wolfSSL 27:5d4739eae63e 238 redirect_url_size = size ;
wolfSSL 27:5d4739eae63e 239 }
wolfSSL 27:5d4739eae63e 240
wolfSSL 22:4b9a4151cc73 241 HTTPResult HTTPClient::setSSLversion(int minorV)
wolfSSL 22:4b9a4151cc73 242 {
wolfSSL 22:4b9a4151cc73 243 if((minorV>=0) && (minorV<=3))
wolfSSL 22:4b9a4151cc73 244 SSLver = minorV ;
wolfSSL 22:4b9a4151cc73 245 else return HTTP_ERROR ;
wolfSSL 22:4b9a4151cc73 246 return HTTP_OK ;
wolfSSL 22:4b9a4151cc73 247 }
wolfSSL 22:4b9a4151cc73 248
wolfSSL 17:c73d8e61d391 249
donatien 5:791fc3dcb6c4 250 #define CHECK_CONN_ERR(ret) \
donatien 5:791fc3dcb6c4 251 do{ \
donatien 7:4e39864f7b15 252 if(ret) { \
wolfSSL 17:c73d8e61d391 253 cyassl_free() ;\
donatien 7:4e39864f7b15 254 m_sock.close(); \
donatien 5:791fc3dcb6c4 255 ERR("Connection error (%d)", ret); \
donatien 11:390362de8c3f 256 return HTTP_CONN; \
donatien 5:791fc3dcb6c4 257 } \
donatien 5:791fc3dcb6c4 258 } while(0)
donatien 5:791fc3dcb6c4 259
donatien 5:791fc3dcb6c4 260 #define PRTCL_ERR() \
donatien 5:791fc3dcb6c4 261 do{ \
wolfSSL 17:c73d8e61d391 262 cyassl_free() ;\
donatien 7:4e39864f7b15 263 m_sock.close(); \
donatien 5:791fc3dcb6c4 264 ERR("Protocol error"); \
donatien 11:390362de8c3f 265 return HTTP_PRTCL; \
donatien 5:791fc3dcb6c4 266 } while(0)
donatien 0:2ccb9960a044 267
wolfSSL 17:c73d8e61d391 268 void HTTPClient::cyassl_free(void)
wolfSSL 17:c73d8e61d391 269 {
wolfSSL 19:1e2f05809eb1 270 if(ssl) {
wolfSSL 17:c73d8e61d391 271 CyaSSL_free(ssl) ;
wolfSSL 19:1e2f05809eb1 272 ssl = NULL ;
wolfSSL 19:1e2f05809eb1 273 }
wolfSSL 19:1e2f05809eb1 274 if(ctx) {
wolfSSL 17:c73d8e61d391 275 CyaSSL_CTX_free(ctx) ;
wolfSSL 19:1e2f05809eb1 276 ctx = NULL ;
wolfSSL 19:1e2f05809eb1 277 }
wolfSSL 22:4b9a4151cc73 278 CyaSSL_Cleanup() ;
wolfSSL 22:4b9a4151cc73 279 }
wolfSSL 17:c73d8e61d391 280
donatien 12:89d09a6db00a 281 HTTPResult HTTPClient::connect(const char* url, HTTP_METH method, IHTTPDataOut* pDataOut, IHTTPDataIn* pDataIn, int timeout) //Execute request
wolfSSL 18:d89df40b4cf3 282 {
ansond 46:7cd69cc809b8 283 CYASSL_METHOD * SSLmethod = NULL;
wolfSSL 18:d89df40b4cf3 284 m_httpResponseCode = 0; //Invalidate code
wolfSSL 18:d89df40b4cf3 285 m_timeout = timeout;
wolfSSL 27:5d4739eae63e 286 redirect = 0 ;
wolfSSL 27:5d4739eae63e 287
ansond 46:7cd69cc809b8 288 // reset the send buffer
ansond 46:7cd69cc809b8 289 memset(send_buf,0,SEND_BUF_SIZE);
ansond 46:7cd69cc809b8 290
wolfSSL 18:d89df40b4cf3 291 pDataIn->writeReset();
wolfSSL 18:d89df40b4cf3 292 if( pDataOut ) {
wolfSSL 18:d89df40b4cf3 293 pDataOut->readReset();
wolfSSL 18:d89df40b4cf3 294 }
wolfSSL 17:c73d8e61d391 295
wolfSSL 18:d89df40b4cf3 296 char scheme[8];
ansond 29:2d96cc752d19 297 char host[MAX_URL_HOSTNAME_LENGTH];
ansond 29:2d96cc752d19 298 char path[MAX_URL_PATH_LENGTH];
wolfSSL 18:d89df40b4cf3 299
wolfSSL 18:d89df40b4cf3 300 int ret ;
donatien 0:2ccb9960a044 301
wolfSSL 18:d89df40b4cf3 302 //First we need to parse the url (http[s]://host[:port][/[path]])
wolfSSL 18:d89df40b4cf3 303 HTTPResult res = parseURL(url, scheme, sizeof(scheme), host, sizeof(host), &port, path, sizeof(path));
wolfSSL 18:d89df40b4cf3 304 if(res != HTTP_OK) {
wolfSSL 18:d89df40b4cf3 305 ERR("parseURL returned %d", res);
wolfSSL 18:d89df40b4cf3 306 return res;
wolfSSL 18:d89df40b4cf3 307 }
donatien 0:2ccb9960a044 308
wolfSSL 22:4b9a4151cc73 309 if(port == 0) {
wolfSSL 18:d89df40b4cf3 310 if(strcmp(scheme, "http") == 0)
wolfSSL 18:d89df40b4cf3 311 port = HTTP_PORT ;
wolfSSL 18:d89df40b4cf3 312 else if(strcmp(scheme, "https") == 0)
wolfSSL 18:d89df40b4cf3 313 port = HTTPS_PORT ;
wolfSSL 18:d89df40b4cf3 314 }
donatien 0:2ccb9960a044 315
wolfSSL 18:d89df40b4cf3 316 DBG("Scheme: %s", scheme);
wolfSSL 18:d89df40b4cf3 317 DBG("Host: %s", host);
wolfSSL 18:d89df40b4cf3 318 DBG("Port: %d", port);
wolfSSL 18:d89df40b4cf3 319 DBG("Path: %s", path);
wolfSSL 17:c73d8e61d391 320
wolfSSL 18:d89df40b4cf3 321 //Connect
wolfSSL 18:d89df40b4cf3 322 DBG("Connecting socket to server");
wolfSSL 18:d89df40b4cf3 323
wolfSSL 18:d89df40b4cf3 324 #define MAX_RETRY 5
wolfSSL 18:d89df40b4cf3 325 int retry ;
donatien 0:2ccb9960a044 326
wolfSSL 18:d89df40b4cf3 327 for(retry=0; retry<MAX_RETRY; retry++) {
wolfSSL 18:d89df40b4cf3 328 int ret = m_sock.connect(host, port);
wolfSSL 18:d89df40b4cf3 329 if(ret == 0)break ;
wolfSSL 17:c73d8e61d391 330 }
wolfSSL 18:d89df40b4cf3 331 if(retry == MAX_RETRY) {
wolfSSL 18:d89df40b4cf3 332 m_sock.close();
wolfSSL 18:d89df40b4cf3 333 ERR("Could not connect");
wolfSSL 18:d89df40b4cf3 334 return HTTP_CONN;
wolfSSL 17:c73d8e61d391 335 }
wolfSSL 17:c73d8e61d391 336
wolfSSL 18:d89df40b4cf3 337 if(port == HTTPS_PORT) {
wolfSSL 22:4b9a4151cc73 338
wolfSSL 18:d89df40b4cf3 339 /* Start SSL connect */
wolfSSL 27:5d4739eae63e 340 DBG("SSLver=%d", SSLver) ;
wolfSSL 19:1e2f05809eb1 341 if(ctx == NULL) {
wolfSSL 22:4b9a4151cc73 342 switch(SSLver) {
wolfSSL 22:4b9a4151cc73 343 case 0 : SSLmethod = CyaSSLv3_client_method() ; break ;
wolfSSL 22:4b9a4151cc73 344 case 1 : SSLmethod = CyaTLSv1_client_method() ; break ;
wolfSSL 22:4b9a4151cc73 345 case 2 : SSLmethod = CyaTLSv1_1_client_method() ; break ;
wolfSSL 22:4b9a4151cc73 346 case 3 : SSLmethod = CyaTLSv1_2_client_method() ; break ;
wolfSSL 22:4b9a4151cc73 347 }
wolfSSL 22:4b9a4151cc73 348 ctx = CyaSSL_CTX_new((CYASSL_METHOD *)SSLmethod);
wolfSSL 19:1e2f05809eb1 349 if (ctx == NULL) {
wolfSSL 19:1e2f05809eb1 350 ERR("unable to get ctx");
wolfSSL 19:1e2f05809eb1 351 return HTTP_CONN;
wolfSSL 19:1e2f05809eb1 352 }
wolfSSL 19:1e2f05809eb1 353 CyaSSL_CTX_set_verify(ctx, SSL_VERIFY_NONE, 0);
wolfSSL 19:1e2f05809eb1 354 CyaSSL_SetIORecv(ctx, SocketReceive) ;
wolfSSL 19:1e2f05809eb1 355 CyaSSL_SetIOSend(ctx, SocketSend) ;
wolfSSL 18:d89df40b4cf3 356 }
wolfSSL 18:d89df40b4cf3 357 if (ssl == NULL) {
wolfSSL 19:1e2f05809eb1 358 ssl = CyaSSL_new(ctx);
wolfSSL 19:1e2f05809eb1 359 if (ssl == NULL) {
wolfSSL 19:1e2f05809eb1 360 ERR("unable to get SSL object");
wolfSSL 19:1e2f05809eb1 361 cyassl_free() ;
wolfSSL 19:1e2f05809eb1 362 return HTTP_CONN;
wolfSSL 19:1e2f05809eb1 363 }
wolfSSL 18:d89df40b4cf3 364 }
ansond 33:b663a5bab72d 365
ansond 37:29941a3bae90 366 DBG("ctx=%x, ssl=%x, ssl->ctx->CBIORecv, CBIOSend=%x, %x\n",ctx, ssl, SocketReceive, SocketSend ) ;
ansond 33:b663a5bab72d 367 int result = CyaSSL_connect(ssl);
ansond 33:b663a5bab72d 368 if (result != SSL_SUCCESS) {
wolfSSL 18:d89df40b4cf3 369 ERR("SSL_connect failed");
ansond 33:b663a5bab72d 370 int err = CyaSSL_get_error(ssl, result);
ansond 33:b663a5bab72d 371 char errorString[80];
ansond 33:b663a5bab72d 372 CyaSSL_ERR_error_string(err, errorString);
ansond 33:b663a5bab72d 373 ERR("SSL Error: %s (err=%d,status=%d)",errorString,err,result);
wolfSSL 18:d89df40b4cf3 374 cyassl_free() ;
wolfSSL 18:d89df40b4cf3 375 return HTTP_CONN;
wolfSSL 18:d89df40b4cf3 376 }
wolfSSL 18:d89df40b4cf3 377 } /* SSL connect complete */
donatien 0:2ccb9960a044 378
wolfSSL 18:d89df40b4cf3 379 //Send request
wolfSSL 18:d89df40b4cf3 380 DBG("Sending request");
wolfSSL 18:d89df40b4cf3 381 char buf[CHUNK_SIZE];
ansond 30:6fef375c94e6 382 memset(buf,0,CHUNK_SIZE);
wolfSSL 18:d89df40b4cf3 383 send_buf_p = send_buf ; // Reset send buffer ;
wolfSSL 18:d89df40b4cf3 384
wolfSSL 18:d89df40b4cf3 385 const char* meth = (method==HTTP_GET)?"GET":(method==HTTP_POST)?"POST":(method==HTTP_PUT)?"PUT":(method==HTTP_DELETE)?"DELETE":"";
ansond 31:0675a342e45c 386 snprintf(buf, sizeof(buf), "%s %s HTTP/1.1\r\nHost: %s\r\nConnection: keep-alive\r\n", meth, path, host); //Write request
wolfSSL 18:d89df40b4cf3 387 ret = send(buf);
wolfSSL 18:d89df40b4cf3 388 if(ret) {
wolfSSL 18:d89df40b4cf3 389 m_sock.close();
wolfSSL 18:d89df40b4cf3 390 ERR("Could not write request");
wolfSSL 18:d89df40b4cf3 391 return HTTP_CONN;
donatien 0:2ccb9960a044 392 }
wolfSSL 17:c73d8e61d391 393
wolfSSL 18:d89df40b4cf3 394 //Send all headers
donatien 0:2ccb9960a044 395
wolfSSL 18:d89df40b4cf3 396 //Send default headers
wolfSSL 18:d89df40b4cf3 397 DBG("Sending headers");
ansond 31:0675a342e45c 398 if(m_basicAuthUser && m_basicAuthPassword) {
ansond 36:debaeb6006a7 399 DBG("Sending basic auth header");
ansond 36:debaeb6006a7 400 bAuth() ; /* send out Basic Auth header */
ansond 36:debaeb6006a7 401 }
ansond 36:debaeb6006a7 402 else if (m_oauthToken) {
ansond 36:debaeb6006a7 403 DBG("Sending OAUTH header");
ansond 36:debaeb6006a7 404 tokenAuth(); /* send out OAUTH header */
wolfSSL 27:5d4739eae63e 405 }
wolfSSL 18:d89df40b4cf3 406 if( pDataOut != NULL ) {
wolfSSL 18:d89df40b4cf3 407 if( pDataOut->getIsChunked() ) {
wolfSSL 18:d89df40b4cf3 408 ret = send("Transfer-Encoding: chunked\r\n");
wolfSSL 18:d89df40b4cf3 409 CHECK_CONN_ERR(ret);
wolfSSL 18:d89df40b4cf3 410 } else {
wolfSSL 18:d89df40b4cf3 411 snprintf(buf, sizeof(buf), "Content-Length: %d\r\n", pDataOut->getDataLen());
wolfSSL 22:4b9a4151cc73 412 DBG("Content buf:%s", buf) ;
wolfSSL 18:d89df40b4cf3 413 ret = send(buf);
wolfSSL 18:d89df40b4cf3 414 CHECK_CONN_ERR(ret);
wolfSSL 18:d89df40b4cf3 415 }
wolfSSL 18:d89df40b4cf3 416 char type[48];
wolfSSL 18:d89df40b4cf3 417 if( pDataOut->getDataType(type, 48) == HTTP_OK ) {
wolfSSL 18:d89df40b4cf3 418 snprintf(buf, sizeof(buf), "Content-Type: %s\r\n", type);
wolfSSL 18:d89df40b4cf3 419 ret = send(buf);
wolfSSL 18:d89df40b4cf3 420 CHECK_CONN_ERR(ret);
wolfSSL 18:d89df40b4cf3 421 }
wolfSSL 18:d89df40b4cf3 422 }
wolfSSL 18:d89df40b4cf3 423
wolfSSL 18:d89df40b4cf3 424 //Add user headers
wolfSSL 18:d89df40b4cf3 425 if(header) {
wolfSSL 27:5d4739eae63e 426 ret = send((char *)header);
donatien 5:791fc3dcb6c4 427 CHECK_CONN_ERR(ret);
donatien 0:2ccb9960a044 428 }
donatien 0:2ccb9960a044 429
wolfSSL 18:d89df40b4cf3 430 //Close headers
wolfSSL 18:d89df40b4cf3 431 DBG("Headers sent");
wolfSSL 18:d89df40b4cf3 432 ret = send("\r\n");
wolfSSL 18:d89df40b4cf3 433 CHECK_CONN_ERR(ret);
wolfSSL 17:c73d8e61d391 434
wolfSSL 18:d89df40b4cf3 435 size_t trfLen;
donatien 0:2ccb9960a044 436
wolfSSL 18:d89df40b4cf3 437 //Send data (if available)
wolfSSL 18:d89df40b4cf3 438 if( pDataOut != NULL ) {
wolfSSL 18:d89df40b4cf3 439 DBG("Sending data");
wolfSSL 18:d89df40b4cf3 440 while(true) {
wolfSSL 18:d89df40b4cf3 441 size_t writtenLen = 0;
wolfSSL 18:d89df40b4cf3 442 pDataOut->read(buf, CHUNK_SIZE, &trfLen);
wolfSSL 18:d89df40b4cf3 443 buf[trfLen] = 0x0 ;
wolfSSL 18:d89df40b4cf3 444 DBG("buf:%s", buf) ;
wolfSSL 18:d89df40b4cf3 445 if( pDataOut->getIsChunked() ) {
wolfSSL 18:d89df40b4cf3 446 //Write chunk header
wolfSSL 22:4b9a4151cc73 447 char chunkHeader[64];
wolfSSL 18:d89df40b4cf3 448 snprintf(chunkHeader, sizeof(chunkHeader), "%X\r\n", trfLen); //In hex encoding
wolfSSL 18:d89df40b4cf3 449 ret = send(chunkHeader);
wolfSSL 18:d89df40b4cf3 450 CHECK_CONN_ERR(ret);
wolfSSL 18:d89df40b4cf3 451 } else if( trfLen == 0 ) {
wolfSSL 22:4b9a4151cc73 452 DBG("trfLen==0") ;
wolfSSL 18:d89df40b4cf3 453 break;
wolfSSL 18:d89df40b4cf3 454 }
wolfSSL 22:4b9a4151cc73 455 DBG("trfLen 1=%d", trfLen) ;
wolfSSL 18:d89df40b4cf3 456 if( trfLen != 0 ) {
wolfSSL 22:4b9a4151cc73 457 DBG("Sending 1") ;
wolfSSL 18:d89df40b4cf3 458 ret = send(buf, trfLen);
wolfSSL 22:4b9a4151cc73 459 DBG("Sent 1") ;
wolfSSL 18:d89df40b4cf3 460 CHECK_CONN_ERR(ret);
wolfSSL 18:d89df40b4cf3 461 }
donatien 0:2ccb9960a044 462
wolfSSL 18:d89df40b4cf3 463 if( pDataOut->getIsChunked() ) {
wolfSSL 18:d89df40b4cf3 464 ret = send("\r\n"); //Chunk-terminating CRLF
wolfSSL 18:d89df40b4cf3 465 CHECK_CONN_ERR(ret);
wolfSSL 18:d89df40b4cf3 466 } else {
wolfSSL 18:d89df40b4cf3 467 writtenLen += trfLen;
wolfSSL 18:d89df40b4cf3 468 if( writtenLen >= pDataOut->getDataLen() ) {
wolfSSL 22:4b9a4151cc73 469 DBG("writtenLen=%d", writtenLen) ;
wolfSSL 18:d89df40b4cf3 470 break;
wolfSSL 18:d89df40b4cf3 471 }
wolfSSL 22:4b9a4151cc73 472 DBG("writtenLen+=trfLen = %d", writtenLen) ;
wolfSSL 18:d89df40b4cf3 473 }
wolfSSL 22:4b9a4151cc73 474 DBG("trfLen 2=%d", trfLen) ;
wolfSSL 18:d89df40b4cf3 475 if( trfLen == 0 ) {
wolfSSL 22:4b9a4151cc73 476 DBG("trfLen == 0") ;
wolfSSL 18:d89df40b4cf3 477 break;
wolfSSL 18:d89df40b4cf3 478 }
wolfSSL 18:d89df40b4cf3 479 }
donatien 0:2ccb9960a044 480
wolfSSL 18:d89df40b4cf3 481 }
wolfSSL 18:d89df40b4cf3 482 ret = flush() ; // flush the send buffer ;
wolfSSL 18:d89df40b4cf3 483 CHECK_CONN_ERR(ret);
wolfSSL 18:d89df40b4cf3 484
wolfSSL 18:d89df40b4cf3 485 //Receive response
wolfSSL 18:d89df40b4cf3 486 DBG("Receiving response");
wolfSSL 18:d89df40b4cf3 487
wolfSSL 18:d89df40b4cf3 488 ret = recv(buf, CHUNK_SIZE - 1, CHUNK_SIZE - 1, &trfLen); //Read n bytes
wolfSSL 18:d89df40b4cf3 489 CHECK_CONN_ERR(ret);
wolfSSL 18:d89df40b4cf3 490
wolfSSL 18:d89df40b4cf3 491 buf[trfLen] = '\0';
wolfSSL 18:d89df40b4cf3 492
wolfSSL 18:d89df40b4cf3 493 char* crlfPtr = strstr(buf, "\r\n");
wolfSSL 18:d89df40b4cf3 494 if(crlfPtr == NULL) {
donatien 5:791fc3dcb6c4 495 PRTCL_ERR();
donatien 0:2ccb9960a044 496 }
donatien 0:2ccb9960a044 497
wolfSSL 18:d89df40b4cf3 498 int crlfPos = crlfPtr - buf;
donatien 0:2ccb9960a044 499 buf[crlfPos] = '\0';
donatien 0:2ccb9960a044 500
wolfSSL 18:d89df40b4cf3 501 //Parse HTTP response
wolfSSL 18:d89df40b4cf3 502 if( sscanf(buf, "HTTP/%*d.%*d %d %*[^\r\n]", &m_httpResponseCode) != 1 ) {
wolfSSL 18:d89df40b4cf3 503 //Cannot match string, error
wolfSSL 18:d89df40b4cf3 504 ERR("Not a correct HTTP answer : %s\n", buf);
wolfSSL 18:d89df40b4cf3 505 PRTCL_ERR();
wolfSSL 18:d89df40b4cf3 506 }
donatien 4:c071b05ac026 507
wolfSSL 27:5d4739eae63e 508 if( (m_httpResponseCode < 200) || (m_httpResponseCode >= 400) ) {
wolfSSL 18:d89df40b4cf3 509 //Did not return a 2xx code; TODO fetch headers/(&data?) anyway and implement a mean of writing/reading headers
wolfSSL 18:d89df40b4cf3 510 WARN("Response code %d", m_httpResponseCode);
wolfSSL 18:d89df40b4cf3 511 PRTCL_ERR();
donatien 0:2ccb9960a044 512 }
donatien 0:2ccb9960a044 513
wolfSSL 18:d89df40b4cf3 514 DBG("Reading headers");
donatien 0:2ccb9960a044 515
wolfSSL 18:d89df40b4cf3 516 memmove(buf, &buf[crlfPos+2], trfLen - (crlfPos + 2) + 1); //Be sure to move NULL-terminating char as well
wolfSSL 18:d89df40b4cf3 517 trfLen -= (crlfPos + 2);
donatien 0:2ccb9960a044 518
wolfSSL 18:d89df40b4cf3 519 size_t recvContentLength = 0;
wolfSSL 18:d89df40b4cf3 520 bool recvChunked = false;
wolfSSL 18:d89df40b4cf3 521 //Now get headers
wolfSSL 18:d89df40b4cf3 522 while( true ) {
wolfSSL 18:d89df40b4cf3 523 crlfPtr = strstr(buf, "\r\n");
wolfSSL 18:d89df40b4cf3 524 if(crlfPtr == NULL) {
wolfSSL 18:d89df40b4cf3 525 if( trfLen < CHUNK_SIZE - 1 ) {
ansond 30:6fef375c94e6 526 size_t newTrfLen = 0;
wolfSSL 18:d89df40b4cf3 527 ret = recv(buf + trfLen, 1, CHUNK_SIZE - trfLen - 1, &newTrfLen);
wolfSSL 18:d89df40b4cf3 528 trfLen += newTrfLen;
wolfSSL 18:d89df40b4cf3 529 buf[trfLen] = '\0';
wolfSSL 18:d89df40b4cf3 530 DBG("Read %d chars; In buf: [%s]", newTrfLen, buf);
wolfSSL 18:d89df40b4cf3 531 CHECK_CONN_ERR(ret);
wolfSSL 18:d89df40b4cf3 532 continue;
wolfSSL 18:d89df40b4cf3 533 } else {
wolfSSL 18:d89df40b4cf3 534 PRTCL_ERR();
donatien 14:2744e0c0e527 535 }
wolfSSL 18:d89df40b4cf3 536 }
wolfSSL 18:d89df40b4cf3 537
wolfSSL 18:d89df40b4cf3 538 crlfPos = crlfPtr - buf;
wolfSSL 18:d89df40b4cf3 539
wolfSSL 18:d89df40b4cf3 540 if(crlfPos == 0) { //End of headers
wolfSSL 18:d89df40b4cf3 541 DBG("Headers read");
wolfSSL 18:d89df40b4cf3 542 memmove(buf, &buf[2], trfLen - 2 + 1); //Be sure to move NULL-terminating char as well
wolfSSL 18:d89df40b4cf3 543 trfLen -= 2;
wolfSSL 18:d89df40b4cf3 544 break;
donatien 0:2ccb9960a044 545 }
wolfSSL 18:d89df40b4cf3 546
wolfSSL 18:d89df40b4cf3 547 buf[crlfPos] = '\0';
wolfSSL 18:d89df40b4cf3 548
ansond 46:7cd69cc809b8 549 char key[MAX_HEADER_KEY_LENGTH+1];
ansond 46:7cd69cc809b8 550 memset(key,0,MAX_HEADER_KEY_LENGTH+1);
ansond 46:7cd69cc809b8 551
ansond 46:7cd69cc809b8 552 char value[MAX_HEADER_VALUE_LENGTH+1];
ansond 46:7cd69cc809b8 553 memset(value,0,MAX_HEADER_VALUE_LENGTH+1);
ansond 46:7cd69cc809b8 554
ansond 46:7cd69cc809b8 555 int n = sscanf(buf, HEADER_SCANF_FORMAT, key, value);
wolfSSL 18:d89df40b4cf3 556 if ( n == 2 ) {
wolfSSL 18:d89df40b4cf3 557 DBG("Read header : %s: %s\n", key, value);
wolfSSL 18:d89df40b4cf3 558 if( !strcmp(key, "Content-Length") ) {
wolfSSL 18:d89df40b4cf3 559 sscanf(value, "%d", &recvContentLength);
wolfSSL 18:d89df40b4cf3 560 pDataIn->setDataLen(recvContentLength);
wolfSSL 18:d89df40b4cf3 561 } else if( !strcmp(key, "Transfer-Encoding") ) {
wolfSSL 18:d89df40b4cf3 562 if( !strcmp(value, "Chunked") || !strcmp(value, "chunked") ) {
wolfSSL 18:d89df40b4cf3 563 recvChunked = true;
wolfSSL 18:d89df40b4cf3 564 pDataIn->setIsChunked(true);
wolfSSL 18:d89df40b4cf3 565 }
wolfSSL 18:d89df40b4cf3 566 } else if( !strcmp(key, "Content-Type") ) {
wolfSSL 18:d89df40b4cf3 567 pDataIn->setDataType(value);
ansond 46:7cd69cc809b8 568 } else if( !strcmp(key, "Location") && redirect_url) { // Location is capitalized...
ansond 46:7cd69cc809b8 569 sscanf(buf, REDIRECT_SCANF_FORMAT, key, redirect_url);
wolfSSL 27:5d4739eae63e 570 DBG("Redirect %s: %s", key, redirect_url) ;
wolfSSL 27:5d4739eae63e 571 redirect = 1 ;
wolfSSL 18:d89df40b4cf3 572 }
wolfSSL 18:d89df40b4cf3 573 memmove(buf, &buf[crlfPos+2], trfLen - (crlfPos + 2) + 1); //Be sure to move NULL-terminating char as well
wolfSSL 18:d89df40b4cf3 574 trfLen -= (crlfPos + 2);
wolfSSL 18:d89df40b4cf3 575
wolfSSL 18:d89df40b4cf3 576 } else {
wolfSSL 18:d89df40b4cf3 577 ERR("Could not parse header");
donatien 14:2744e0c0e527 578 PRTCL_ERR();
donatien 0:2ccb9960a044 579 }
donatien 0:2ccb9960a044 580
donatien 0:2ccb9960a044 581 }
donatien 0:2ccb9960a044 582
wolfSSL 18:d89df40b4cf3 583 //Receive data
wolfSSL 18:d89df40b4cf3 584 DBG("Receiving data");
wolfSSL 18:d89df40b4cf3 585
wolfSSL 18:d89df40b4cf3 586 while(true) {
wolfSSL 18:d89df40b4cf3 587 size_t readLen = 0;
donatien 0:2ccb9960a044 588
wolfSSL 18:d89df40b4cf3 589 if( recvChunked ) {
wolfSSL 18:d89df40b4cf3 590 //Read chunk header
wolfSSL 18:d89df40b4cf3 591 bool foundCrlf;
wolfSSL 18:d89df40b4cf3 592 do {
wolfSSL 18:d89df40b4cf3 593 foundCrlf = false;
wolfSSL 18:d89df40b4cf3 594 crlfPos=0;
wolfSSL 18:d89df40b4cf3 595 buf[trfLen]=0;
wolfSSL 18:d89df40b4cf3 596 if(trfLen >= 2) {
wolfSSL 18:d89df40b4cf3 597 for(; crlfPos < trfLen - 2; crlfPos++) {
wolfSSL 18:d89df40b4cf3 598 if( buf[crlfPos] == '\r' && buf[crlfPos + 1] == '\n' ) {
wolfSSL 18:d89df40b4cf3 599 foundCrlf = true;
wolfSSL 18:d89df40b4cf3 600 break;
wolfSSL 18:d89df40b4cf3 601 }
wolfSSL 18:d89df40b4cf3 602 }
wolfSSL 18:d89df40b4cf3 603 }
wolfSSL 18:d89df40b4cf3 604 if(!foundCrlf) { //Try to read more
wolfSSL 18:d89df40b4cf3 605 if( trfLen < CHUNK_SIZE ) {
ansond 30:6fef375c94e6 606 size_t newTrfLen = 0;
wolfSSL 18:d89df40b4cf3 607 ret = recv(buf + trfLen, 0, CHUNK_SIZE - trfLen - 1, &newTrfLen);
wolfSSL 18:d89df40b4cf3 608 trfLen += newTrfLen;
wolfSSL 18:d89df40b4cf3 609 CHECK_CONN_ERR(ret);
wolfSSL 18:d89df40b4cf3 610 continue;
wolfSSL 18:d89df40b4cf3 611 } else {
wolfSSL 18:d89df40b4cf3 612 PRTCL_ERR();
wolfSSL 18:d89df40b4cf3 613 }
wolfSSL 18:d89df40b4cf3 614 }
wolfSSL 18:d89df40b4cf3 615 } while(!foundCrlf);
wolfSSL 18:d89df40b4cf3 616 buf[crlfPos] = '\0';
wolfSSL 18:d89df40b4cf3 617 int n = sscanf(buf, "%x", &readLen);
wolfSSL 18:d89df40b4cf3 618 if(n!=1) {
wolfSSL 18:d89df40b4cf3 619 ERR("Could not read chunk length");
wolfSSL 18:d89df40b4cf3 620 PRTCL_ERR();
wolfSSL 18:d89df40b4cf3 621 }
wolfSSL 18:d89df40b4cf3 622
wolfSSL 18:d89df40b4cf3 623 memmove(buf, &buf[crlfPos+2], trfLen - (crlfPos + 2)); //Not need to move NULL-terminating char any more
wolfSSL 18:d89df40b4cf3 624 trfLen -= (crlfPos + 2);
donatien 0:2ccb9960a044 625
wolfSSL 18:d89df40b4cf3 626 if( readLen == 0 ) {
wolfSSL 18:d89df40b4cf3 627 //Last chunk
wolfSSL 18:d89df40b4cf3 628 break;
wolfSSL 18:d89df40b4cf3 629 }
wolfSSL 18:d89df40b4cf3 630 } else {
wolfSSL 18:d89df40b4cf3 631 readLen = recvContentLength;
wolfSSL 18:d89df40b4cf3 632 }
wolfSSL 18:d89df40b4cf3 633
wolfSSL 18:d89df40b4cf3 634 DBG("Retrieving %d bytes", readLen);
wolfSSL 18:d89df40b4cf3 635
wolfSSL 18:d89df40b4cf3 636 do {
wolfSSL 18:d89df40b4cf3 637 pDataIn->write(buf, MIN(trfLen, readLen));
wolfSSL 18:d89df40b4cf3 638 if( trfLen > readLen ) {
wolfSSL 18:d89df40b4cf3 639 memmove(buf, &buf[readLen], trfLen - readLen);
wolfSSL 18:d89df40b4cf3 640 trfLen -= readLen;
wolfSSL 18:d89df40b4cf3 641 readLen = 0;
wolfSSL 18:d89df40b4cf3 642 } else {
wolfSSL 18:d89df40b4cf3 643 readLen -= trfLen;
wolfSSL 18:d89df40b4cf3 644 }
donatien 0:2ccb9960a044 645
wolfSSL 18:d89df40b4cf3 646 if(readLen) {
wolfSSL 18:d89df40b4cf3 647 ret = recv(buf, 1, CHUNK_SIZE - trfLen - 1, &trfLen);
wolfSSL 18:d89df40b4cf3 648 CHECK_CONN_ERR(ret);
wolfSSL 18:d89df40b4cf3 649 }
wolfSSL 18:d89df40b4cf3 650 } while(readLen);
wolfSSL 18:d89df40b4cf3 651
wolfSSL 18:d89df40b4cf3 652 if( recvChunked ) {
wolfSSL 18:d89df40b4cf3 653 if(trfLen < 2) {
ansond 30:6fef375c94e6 654 size_t newTrfLen = 0;
wolfSSL 18:d89df40b4cf3 655 //Read missing chars to find end of chunk
wolfSSL 18:d89df40b4cf3 656 ret = recv(buf + trfLen, 2 - trfLen, CHUNK_SIZE - trfLen - 1, &newTrfLen);
wolfSSL 18:d89df40b4cf3 657 CHECK_CONN_ERR(ret);
wolfSSL 18:d89df40b4cf3 658 trfLen += newTrfLen;
wolfSSL 18:d89df40b4cf3 659 }
wolfSSL 18:d89df40b4cf3 660 if( (buf[0] != '\r') || (buf[1] != '\n') ) {
wolfSSL 18:d89df40b4cf3 661 ERR("Format error");
wolfSSL 18:d89df40b4cf3 662 PRTCL_ERR();
wolfSSL 18:d89df40b4cf3 663 }
wolfSSL 18:d89df40b4cf3 664 memmove(buf, &buf[2], trfLen - 2);
wolfSSL 18:d89df40b4cf3 665 trfLen -= 2;
wolfSSL 18:d89df40b4cf3 666 } else {
wolfSSL 18:d89df40b4cf3 667 break;
wolfSSL 18:d89df40b4cf3 668 }
wolfSSL 18:d89df40b4cf3 669
donatien 0:2ccb9960a044 670 }
wolfSSL 20:bec882d85856 671 cyassl_free() ;
wolfSSL 18:d89df40b4cf3 672 m_sock.close();
wolfSSL 18:d89df40b4cf3 673 DBG("Completed HTTP transaction");
wolfSSL 27:5d4739eae63e 674 if(redirect)return HTTP_REDIRECT ;
wolfSSL 27:5d4739eae63e 675 else return HTTP_OK;
donatien 0:2ccb9960a044 676 }
donatien 0:2ccb9960a044 677
wolfSSL 19:1e2f05809eb1 678 HTTPResult HTTPClient::recv(char* buf, size_t minLen, size_t maxLen, size_t* pReadLen) //0 on success, err code on failure
donatien 0:2ccb9960a044 679 {
wolfSSL 18:d89df40b4cf3 680 DBG("Trying to read between %d and %d bytes", minLen, maxLen);
wolfSSL 18:d89df40b4cf3 681 size_t readLen = 0;
wolfSSL 18:d89df40b4cf3 682
wolfSSL 18:d89df40b4cf3 683 if(!m_sock.is_connected()) {
wolfSSL 18:d89df40b4cf3 684 WARN("Connection was closed by server");
wolfSSL 18:d89df40b4cf3 685 return HTTP_CLOSED; //Connection was closed by server
wolfSSL 18:d89df40b4cf3 686 }
wolfSSL 18:d89df40b4cf3 687
wolfSSL 18:d89df40b4cf3 688 int ret;
wolfSSL 18:d89df40b4cf3 689
wolfSSL 18:d89df40b4cf3 690 if(port == HTTPS_PORT) {
wolfSSL 18:d89df40b4cf3 691 DBG("Enter CyaSSL_read") ;
wolfSSL 18:d89df40b4cf3 692
wolfSSL 18:d89df40b4cf3 693 m_sock.set_blocking(false, m_timeout);
wolfSSL 18:d89df40b4cf3 694 readLen = CyaSSL_read(ssl, buf, maxLen);
wolfSSL 18:d89df40b4cf3 695 if (readLen > 0) {
wolfSSL 18:d89df40b4cf3 696 buf[readLen] = 0;
wolfSSL 18:d89df40b4cf3 697 DBG("CyaSSL_read:%s\n", buf);
wolfSSL 18:d89df40b4cf3 698 } else {
wolfSSL 18:d89df40b4cf3 699 ERR("CyaSSL_read, ret = %d", readLen) ;
wolfSSL 18:d89df40b4cf3 700 return HTTP_ERROR ;
wolfSSL 18:d89df40b4cf3 701 }
wolfSSL 18:d89df40b4cf3 702 DBG("Read %d bytes", readLen);
wolfSSL 18:d89df40b4cf3 703 *pReadLen = readLen;
wolfSSL 18:d89df40b4cf3 704 return HTTP_OK;
wolfSSL 18:d89df40b4cf3 705 }
wolfSSL 18:d89df40b4cf3 706
wolfSSL 18:d89df40b4cf3 707 while(readLen < maxLen) {
wolfSSL 18:d89df40b4cf3 708 if(readLen < minLen) {
wolfSSL 18:d89df40b4cf3 709 DBG("Trying to read at most %d bytes [Blocking]", minLen - readLen);
wolfSSL 18:d89df40b4cf3 710 m_sock.set_blocking(false, m_timeout);
wolfSSL 18:d89df40b4cf3 711 ret = m_sock.receive_all(buf + readLen, minLen - readLen);
wolfSSL 18:d89df40b4cf3 712 } else {
wolfSSL 18:d89df40b4cf3 713 DBG("Trying to read at most %d bytes [Not blocking]", maxLen - readLen);
wolfSSL 18:d89df40b4cf3 714 m_sock.set_blocking(false, 0);
wolfSSL 18:d89df40b4cf3 715 ret = m_sock.receive(buf + readLen, maxLen - readLen);
wolfSSL 18:d89df40b4cf3 716 }
wolfSSL 18:d89df40b4cf3 717
wolfSSL 18:d89df40b4cf3 718 if( ret > 0) {
wolfSSL 18:d89df40b4cf3 719 readLen += ret;
wolfSSL 18:d89df40b4cf3 720 } else if( ret == 0 ) {
wolfSSL 18:d89df40b4cf3 721 break;
wolfSSL 18:d89df40b4cf3 722 } else {
wolfSSL 18:d89df40b4cf3 723 if(!m_sock.is_connected()) {
wolfSSL 18:d89df40b4cf3 724 ERR("Connection error (recv returned %d)", ret);
wolfSSL 18:d89df40b4cf3 725 *pReadLen = readLen;
wolfSSL 18:d89df40b4cf3 726 return HTTP_CONN;
wolfSSL 18:d89df40b4cf3 727 } else {
wolfSSL 18:d89df40b4cf3 728 break;
wolfSSL 18:d89df40b4cf3 729 }
wolfSSL 18:d89df40b4cf3 730 }
wolfSSL 18:d89df40b4cf3 731
wolfSSL 18:d89df40b4cf3 732 if(!m_sock.is_connected()) {
wolfSSL 18:d89df40b4cf3 733 break;
wolfSSL 18:d89df40b4cf3 734 }
wolfSSL 17:c73d8e61d391 735 }
wolfSSL 17:c73d8e61d391 736 DBG("Read %d bytes", readLen);
wolfSSL 17:c73d8e61d391 737 *pReadLen = readLen;
wolfSSL 17:c73d8e61d391 738 return HTTP_OK;
donatien 7:4e39864f7b15 739 }
donatien 7:4e39864f7b15 740
wolfSSL 19:1e2f05809eb1 741 HTTPResult HTTPClient::send(char* buf, size_t len) //0 on success, err code on failure
donatien 7:4e39864f7b15 742 {
wolfSSL 18:d89df40b4cf3 743 HTTPResult ret ;
wolfSSL 18:d89df40b4cf3 744 int cp_len ;
wolfSSL 18:d89df40b4cf3 745
wolfSSL 18:d89df40b4cf3 746 if(len == 0) {
wolfSSL 18:d89df40b4cf3 747 len = strlen(buf);
wolfSSL 17:c73d8e61d391 748 }
wolfSSL 17:c73d8e61d391 749
wolfSSL 18:d89df40b4cf3 750 do {
wolfSSL 22:4b9a4151cc73 751
wolfSSL 18:d89df40b4cf3 752 if((SEND_BUF_SIZE - (send_buf_p - send_buf)) >= len) {
wolfSSL 18:d89df40b4cf3 753 cp_len = len ;
wolfSSL 18:d89df40b4cf3 754 } else {
wolfSSL 22:4b9a4151cc73 755 cp_len = SEND_BUF_SIZE - (send_buf_p - send_buf) ;
wolfSSL 18:d89df40b4cf3 756 }
wolfSSL 22:4b9a4151cc73 757 DBG("send_buf_p:%x. send_buf+SIZE:%x, len=%d, cp_len=%d", send_buf_p, send_buf+SEND_BUF_SIZE, len, cp_len) ;
wolfSSL 18:d89df40b4cf3 758 memcpy(send_buf_p, buf, cp_len) ;
wolfSSL 18:d89df40b4cf3 759 send_buf_p += cp_len ;
wolfSSL 18:d89df40b4cf3 760 len -= cp_len ;
wolfSSL 18:d89df40b4cf3 761
wolfSSL 18:d89df40b4cf3 762 if(send_buf_p == send_buf + SEND_BUF_SIZE) {
wolfSSL 22:4b9a4151cc73 763 if(port == HTTPS_PORT){
wolfSSL 22:4b9a4151cc73 764 ERR("HTTPClient::send buffer overflow");
wolfSSL 22:4b9a4151cc73 765 return HTTP_ERROR ;
wolfSSL 22:4b9a4151cc73 766 }
wolfSSL 18:d89df40b4cf3 767 ret = flush() ;
wolfSSL 18:d89df40b4cf3 768 if(ret)return(ret) ;
wolfSSL 18:d89df40b4cf3 769 }
wolfSSL 18:d89df40b4cf3 770 } while(len) ;
wolfSSL 18:d89df40b4cf3 771 return HTTP_OK ;
wolfSSL 17:c73d8e61d391 772 }
wolfSSL 17:c73d8e61d391 773
wolfSSL 19:1e2f05809eb1 774 HTTPResult HTTPClient::flush() //0 on success, err code on failure
wolfSSL 17:c73d8e61d391 775 {
wolfSSL 18:d89df40b4cf3 776 int len ;
wolfSSL 18:d89df40b4cf3 777 char * buf ;
wolfSSL 18:d89df40b4cf3 778
wolfSSL 18:d89df40b4cf3 779 buf = send_buf ;
wolfSSL 18:d89df40b4cf3 780 len = send_buf_p - send_buf ;
wolfSSL 18:d89df40b4cf3 781 send_buf_p = send_buf ; // reset send buffer
wolfSSL 18:d89df40b4cf3 782
wolfSSL 18:d89df40b4cf3 783 DBG("Trying to write %d bytes:%s\n", len, buf);
wolfSSL 18:d89df40b4cf3 784 size_t writtenLen = 0;
wolfSSL 18:d89df40b4cf3 785
wolfSSL 18:d89df40b4cf3 786 if(!m_sock.is_connected()) {
wolfSSL 18:d89df40b4cf3 787 WARN("Connection was closed by server");
wolfSSL 18:d89df40b4cf3 788 return HTTP_CLOSED; //Connection was closed by server
wolfSSL 17:c73d8e61d391 789 }
wolfSSL 18:d89df40b4cf3 790
wolfSSL 18:d89df40b4cf3 791 if(port == HTTPS_PORT) {
wolfSSL 18:d89df40b4cf3 792 DBG("Enter CyaSSL_write") ;
wolfSSL 18:d89df40b4cf3 793 if (CyaSSL_write(ssl, buf, len) != len) {
wolfSSL 18:d89df40b4cf3 794 ERR("SSL_write failed");
wolfSSL 18:d89df40b4cf3 795 return HTTP_ERROR ;
wolfSSL 18:d89df40b4cf3 796 }
wolfSSL 18:d89df40b4cf3 797 DBG("Written %d bytes", writtenLen);
wolfSSL 18:d89df40b4cf3 798 return HTTP_OK;
wolfSSL 18:d89df40b4cf3 799 }
wolfSSL 18:d89df40b4cf3 800 m_sock.set_blocking(false, m_timeout);
wolfSSL 18:d89df40b4cf3 801 int ret = m_sock.send_all(buf, len);
wolfSSL 18:d89df40b4cf3 802 if(ret > 0) {
wolfSSL 18:d89df40b4cf3 803 writtenLen += ret;
wolfSSL 18:d89df40b4cf3 804 } else if( ret == 0 ) {
wolfSSL 18:d89df40b4cf3 805 WARN("Connection was closed by server");
wolfSSL 18:d89df40b4cf3 806 return HTTP_CLOSED; //Connection was closed by server
wolfSSL 18:d89df40b4cf3 807 } else {
wolfSSL 18:d89df40b4cf3 808 ERR("Connection error (send returned %d)", ret);
wolfSSL 18:d89df40b4cf3 809 return HTTP_CONN;
wolfSSL 18:d89df40b4cf3 810 }
wolfSSL 18:d89df40b4cf3 811
wolfSSL 17:c73d8e61d391 812 DBG("Written %d bytes", writtenLen);
wolfSSL 17:c73d8e61d391 813 return HTTP_OK;
donatien 0:2ccb9960a044 814 }
donatien 0:2ccb9960a044 815
wolfSSL 19:1e2f05809eb1 816 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 817 {
ansond 46:7cd69cc809b8 818 DBG("Parsing URL: %s",url);
wolfSSL 18:d89df40b4cf3 819 char* schemePtr = (char*) url;
wolfSSL 18:d89df40b4cf3 820 char* hostPtr = (char*) strstr(url, "://");
wolfSSL 18:d89df40b4cf3 821 if(hostPtr == NULL) {
wolfSSL 18:d89df40b4cf3 822 WARN("Could not find host");
wolfSSL 18:d89df40b4cf3 823 return HTTP_PARSE; //URL is invalid
wolfSSL 18:d89df40b4cf3 824 }
wolfSSL 18:d89df40b4cf3 825
wolfSSL 18:d89df40b4cf3 826 if( maxSchemeLen < hostPtr - schemePtr + 1 ) { //including NULL-terminating char
wolfSSL 18:d89df40b4cf3 827 WARN("Scheme str is too small (%d >= %d)", maxSchemeLen, hostPtr - schemePtr + 1);
wolfSSL 18:d89df40b4cf3 828 return HTTP_PARSE;
wolfSSL 18:d89df40b4cf3 829 }
wolfSSL 18:d89df40b4cf3 830 memcpy(scheme, schemePtr, hostPtr - schemePtr);
wolfSSL 18:d89df40b4cf3 831 scheme[hostPtr - schemePtr] = '\0';
donatien 0:2ccb9960a044 832
wolfSSL 18:d89df40b4cf3 833 hostPtr+=3;
donatien 0:2ccb9960a044 834
wolfSSL 18:d89df40b4cf3 835 size_t hostLen = 0;
donatien 0:2ccb9960a044 836
wolfSSL 18:d89df40b4cf3 837 char* portPtr = strchr(hostPtr, ':');
wolfSSL 18:d89df40b4cf3 838 if( portPtr != NULL ) {
wolfSSL 18:d89df40b4cf3 839 hostLen = portPtr - hostPtr;
wolfSSL 18:d89df40b4cf3 840 portPtr++;
wolfSSL 18:d89df40b4cf3 841 if( sscanf(portPtr, "%hu", port) != 1) {
wolfSSL 18:d89df40b4cf3 842 WARN("Could not find port");
wolfSSL 18:d89df40b4cf3 843 return HTTP_PARSE;
wolfSSL 18:d89df40b4cf3 844 }
wolfSSL 18:d89df40b4cf3 845 } else {
wolfSSL 18:d89df40b4cf3 846 *port=0;
donatien 0:2ccb9960a044 847 }
wolfSSL 18:d89df40b4cf3 848 char* pathPtr = strchr(hostPtr, '/');
wolfSSL 18:d89df40b4cf3 849 if( hostLen == 0 ) {
wolfSSL 18:d89df40b4cf3 850 hostLen = pathPtr - hostPtr;
wolfSSL 18:d89df40b4cf3 851 }
donatien 0:2ccb9960a044 852
wolfSSL 18:d89df40b4cf3 853 if( maxHostLen < hostLen + 1 ) { //including NULL-terminating char
wolfSSL 18:d89df40b4cf3 854 WARN("Host str is too small (%d >= %d)", maxHostLen, hostLen + 1);
wolfSSL 18:d89df40b4cf3 855 return HTTP_PARSE;
wolfSSL 18:d89df40b4cf3 856 }
wolfSSL 18:d89df40b4cf3 857 memcpy(host, hostPtr, hostLen);
wolfSSL 18:d89df40b4cf3 858 host[hostLen] = '\0';
donatien 0:2ccb9960a044 859
wolfSSL 18:d89df40b4cf3 860 size_t pathLen;
wolfSSL 18:d89df40b4cf3 861 char* fragmentPtr = strchr(hostPtr, '#');
wolfSSL 18:d89df40b4cf3 862 if(fragmentPtr != NULL) {
wolfSSL 18:d89df40b4cf3 863 pathLen = fragmentPtr - pathPtr;
wolfSSL 18:d89df40b4cf3 864 } else {
wolfSSL 18:d89df40b4cf3 865 pathLen = strlen(pathPtr);
wolfSSL 18:d89df40b4cf3 866 }
donatien 0:2ccb9960a044 867
wolfSSL 18:d89df40b4cf3 868 if( maxPathLen < pathLen + 1 ) { //including NULL-terminating char
wolfSSL 18:d89df40b4cf3 869 WARN("Path str is too small (%d >= %d)", maxPathLen, pathLen + 1);
wolfSSL 18:d89df40b4cf3 870 return HTTP_PARSE;
wolfSSL 18:d89df40b4cf3 871 }
wolfSSL 18:d89df40b4cf3 872 memcpy(path, pathPtr, pathLen);
wolfSSL 18:d89df40b4cf3 873 path[pathLen] = '\0';
donatien 0:2ccb9960a044 874
wolfSSL 18:d89df40b4cf3 875 return HTTP_OK;
donatien 0:2ccb9960a044 876 }
wolfSSL 22:4b9a4151cc73 877
ansond 36:debaeb6006a7 878 HTTPResult HTTPClient::tokenAuth(void)
ansond 36:debaeb6006a7 879 {
ansond 36:debaeb6006a7 880 HTTPResult ret ;
ansond 36:debaeb6006a7 881 ret = send("Authorization: Bearer ") ;
ansond 36:debaeb6006a7 882 CHECK_CONN_ERR(ret);
ansond 46:7cd69cc809b8 883 strcat((char *)m_oauthToken,"\n");
ansond 36:debaeb6006a7 884 DBG("oauthToken: %s", m_oauthToken) ;
ansond 46:7cd69cc809b8 885 ret = send((char *)m_oauthToken);
ansond 36:debaeb6006a7 886 CHECK_CONN_ERR(ret);
ansond 36:debaeb6006a7 887 return HTTP_OK ;
ansond 36:debaeb6006a7 888 }
ansond 36:debaeb6006a7 889
wolfSSL 22:4b9a4151cc73 890 HTTPResult HTTPClient::bAuth(void)
wolfSSL 22:4b9a4151cc73 891 {
wolfSSL 22:4b9a4151cc73 892 HTTPResult ret ;
wolfSSL 22:4b9a4151cc73 893 char b_auth[(int)((AUTHB_SIZE+3)*4/3+1)] ;
wolfSSL 22:4b9a4151cc73 894 char base64buff[AUTHB_SIZE+3] ;
wolfSSL 22:4b9a4151cc73 895
wolfSSL 22:4b9a4151cc73 896 ret = send("Authorization: Basic ") ;
wolfSSL 22:4b9a4151cc73 897 CHECK_CONN_ERR(ret);
wolfSSL 22:4b9a4151cc73 898 sprintf(base64buff, "%s:%s", m_basicAuthUser, m_basicAuthPassword) ;
wolfSSL 27:5d4739eae63e 899 DBG("bAuth: %s", base64buff) ;
wolfSSL 22:4b9a4151cc73 900 base64enc(b_auth, base64buff) ;
wolfSSL 22:4b9a4151cc73 901 b_auth[strlen(b_auth)+1] = '\0' ;
wolfSSL 22:4b9a4151cc73 902 b_auth[strlen(b_auth)] = '\n' ;
wolfSSL 22:4b9a4151cc73 903 DBG("b_auth:%s", b_auth) ;
wolfSSL 22:4b9a4151cc73 904 ret = send(b_auth) ;
wolfSSL 22:4b9a4151cc73 905 CHECK_CONN_ERR(ret);
wolfSSL 22:4b9a4151cc73 906 return HTTP_OK ;
wolfSSL 22:4b9a4151cc73 907 }