Suga koubou / GSwifiInterface_ap_webcam

private fork

Fork of GSwifiInterface by gs fan

GSwifi/GSwifi_http.cpp@8:64184a968e3b, 2013-10-31 (annotated)

Committer:
gsfan
Date:
Thu Oct 31 06:41:45 2013 +0000
Revision:
8:64184a968e3b
Child:
11:71d67fea5ace
supported mbed RTOS

Who changed what in which revision?

UserRevisionLine numberNew contents of line
gsfan 8:64184a968e3b 1 /* Copyright (C) 2013 gsfan, MIT License
gsfan 8:64184a968e3b 2 *
gsfan 8:64184a968e3b 3 * Permission is hereby granted, free of charge, to any person obtaining a copy of this software
gsfan 8:64184a968e3b 4 * and associated documentation files (the "Software"), to deal in the Software without restriction,
gsfan 8:64184a968e3b 5 * including without limitation the rights to use, copy, modify, merge, publish, distribute,
gsfan 8:64184a968e3b 6 * sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is
gsfan 8:64184a968e3b 7 * furnished to do so, subject to the following conditions:
gsfan 8:64184a968e3b 8 *
gsfan 8:64184a968e3b 9 * The above copyright notice and this permission notice shall be included in all copies or
gsfan 8:64184a968e3b 10 * substantial portions of the Software.
gsfan 8:64184a968e3b 11 *
gsfan 8:64184a968e3b 12 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING
gsfan 8:64184a968e3b 13 * BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
gsfan 8:64184a968e3b 14 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
gsfan 8:64184a968e3b 15 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
gsfan 8:64184a968e3b 16 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
gsfan 8:64184a968e3b 17 */
gsfan 8:64184a968e3b 18
gsfan 8:64184a968e3b 19 #include "GSwifi.h"
gsfan 8:64184a968e3b 20
gsfan 8:64184a968e3b 21 int GSwifi::httpGet (const char *host, int port, const char *uri, bool ssl, const char *user, const char *pwd) {
gsfan 8:64184a968e3b 22 char ip[17];
gsfan 8:64184a968e3b 23 int cid;
gsfan 8:64184a968e3b 24
gsfan 8:64184a968e3b 25 if (getHostByName(host, ip)) return -1;
gsfan 8:64184a968e3b 26 if (! port) {
gsfan 8:64184a968e3b 27 if (ssl) {
gsfan 8:64184a968e3b 28 port = 443;
gsfan 8:64184a968e3b 29 } else {
gsfan 8:64184a968e3b 30 port = 80;
gsfan 8:64184a968e3b 31 }
gsfan 8:64184a968e3b 32 }
gsfan 8:64184a968e3b 33
gsfan 8:64184a968e3b 34 if (cmdHTTPCONF(3, "close")) return -1; // Connection
gsfan 8:64184a968e3b 35 cmdHTTPCONFDEL(5);
gsfan 8:64184a968e3b 36 cmdHTTPCONFDEL(7);
gsfan 8:64184a968e3b 37 cmdHTTPCONF(11, host); // Host
gsfan 8:64184a968e3b 38 if (user && pwd) {
gsfan 8:64184a968e3b 39 char tmp[CFG_CMD_SIZE], tmp2[CFG_CMD_SIZE];
gsfan 8:64184a968e3b 40 snprintf(tmp, sizeof(tmp), "%s:%s", user, pwd);
gsfan 8:64184a968e3b 41 base64encode(tmp, strlen(tmp), tmp2, sizeof(tmp2));
gsfan 8:64184a968e3b 42 sprintf(tmp, "Basic %s", tmp2);
gsfan 8:64184a968e3b 43 cmdHTTPCONF(2, tmp); // Authorization
gsfan 8:64184a968e3b 44 } else {
gsfan 8:64184a968e3b 45 cmdHTTPCONFDEL(2);
gsfan 8:64184a968e3b 46 }
gsfan 8:64184a968e3b 47
gsfan 8:64184a968e3b 48 if (cmdHTTPOPEN(ip, port, ssl)) return -1;
gsfan 8:64184a968e3b 49 if (_state.cid < 0) return -1;
gsfan 8:64184a968e3b 50 cid = _state.cid;
gsfan 8:64184a968e3b 51 _con[cid].protocol = PROTO_HTTPGET;
gsfan 8:64184a968e3b 52 _con[cid].type = TYPE_CLIENT;
gsfan 8:64184a968e3b 53
gsfan 8:64184a968e3b 54 cmdHTTPSEND(cid, false, uri); // GET
gsfan 8:64184a968e3b 55 return cid;
gsfan 8:64184a968e3b 56 }
gsfan 8:64184a968e3b 57
gsfan 8:64184a968e3b 58 int GSwifi::httpPost (const char *host, int port, const char *uri, const char *body, bool ssl, const char *user, const char *pwd) {
gsfan 8:64184a968e3b 59 char cmd[CFG_CMD_SIZE];
gsfan 8:64184a968e3b 60 char ip[17];
gsfan 8:64184a968e3b 61 int cid, len;
gsfan 8:64184a968e3b 62
gsfan 8:64184a968e3b 63 if (getHostByName(host, ip)) return -1;
gsfan 8:64184a968e3b 64 if (! port) {
gsfan 8:64184a968e3b 65 if (ssl) {
gsfan 8:64184a968e3b 66 port = 443;
gsfan 8:64184a968e3b 67 } else {
gsfan 8:64184a968e3b 68 port = 80;
gsfan 8:64184a968e3b 69 }
gsfan 8:64184a968e3b 70 }
gsfan 8:64184a968e3b 71 len = strlen(body);
gsfan 8:64184a968e3b 72
gsfan 8:64184a968e3b 73 if (cmdHTTPCONF(3, "close")) return -1; // Connection
gsfan 8:64184a968e3b 74 sprintf(cmd, "%d", len);
gsfan 8:64184a968e3b 75 cmdHTTPCONF(5, cmd); // Content-Length
gsfan 8:64184a968e3b 76 cmdHTTPCONF(7, "application/x-www-form-urlencoded"); // Content-type
gsfan 8:64184a968e3b 77 cmdHTTPCONF(11, host); // Host
gsfan 8:64184a968e3b 78 if (user && pwd) {
gsfan 8:64184a968e3b 79 char tmp[CFG_CMD_SIZE], tmp2[CFG_CMD_SIZE];
gsfan 8:64184a968e3b 80 snprintf(tmp, sizeof(tmp), "%s:%s", user, pwd);
gsfan 8:64184a968e3b 81 base64encode(tmp, strlen(tmp), tmp2, sizeof(tmp2));
gsfan 8:64184a968e3b 82 sprintf(tmp, "Basic %s", tmp2);
gsfan 8:64184a968e3b 83 cmdHTTPCONF(2, tmp); // Authorization
gsfan 8:64184a968e3b 84 } else {
gsfan 8:64184a968e3b 85 cmdHTTPCONFDEL(2);
gsfan 8:64184a968e3b 86 }
gsfan 8:64184a968e3b 87
gsfan 8:64184a968e3b 88 if (cmdHTTPOPEN(ip, port, ssl)) return -1;
gsfan 8:64184a968e3b 89 if (_state.cid < 0) return -1;
gsfan 8:64184a968e3b 90 cid = _state.cid;
gsfan 8:64184a968e3b 91 _con[cid].protocol = PROTO_HTTPPOST;
gsfan 8:64184a968e3b 92 _con[cid].type = TYPE_CLIENT;
gsfan 8:64184a968e3b 93
gsfan 8:64184a968e3b 94 cmdHTTPSEND(cid, true, uri, len); // POST
gsfan 8:64184a968e3b 95 sprintf(cmd, "\x1bH%X", cid);
gsfan 8:64184a968e3b 96 sendData(body, len, DEFAULT_WAIT_RESP_TIMEOUT, cmd);
gsfan 8:64184a968e3b 97 return cid;
gsfan 8:64184a968e3b 98 }
gsfan 8:64184a968e3b 99
gsfan 8:64184a968e3b 100
gsfan 8:64184a968e3b 101
gsfan 8:64184a968e3b 102 /* base64encode code from
gsfan 8:64184a968e3b 103 * Copyright (c) 2010 Donatien Garnier (donatiengar [at] gmail [dot] com)
gsfan 8:64184a968e3b 104 */
gsfan 8:64184a968e3b 105 int GSwifi::base64encode (const char *input, int length, char *output, int len) {
gsfan 8:64184a968e3b 106 static const char base64[] = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/";
gsfan 8:64184a968e3b 107 unsigned int c, c1, c2, c3;
gsfan 8:64184a968e3b 108
gsfan 8:64184a968e3b 109 if (len < ((((length-1)/3)+1)<<2)) return -1;
gsfan 8:64184a968e3b 110 for(unsigned int i = 0, j = 0; i<length; i+=3,j+=4) {
gsfan 8:64184a968e3b 111 c1 = ((((unsigned char)*((unsigned char *)&input[i]))));
gsfan 8:64184a968e3b 112 c2 = (length>i+1)?((((unsigned char)*((unsigned char *)&input[i+1])))):0;
gsfan 8:64184a968e3b 113 c3 = (length>i+2)?((((unsigned char)*((unsigned char *)&input[i+2])))):0;
gsfan 8:64184a968e3b 114
gsfan 8:64184a968e3b 115 c = ((c1 & 0xFC) >> 2);
gsfan 8:64184a968e3b 116 output[j+0] = base64[c];
gsfan 8:64184a968e3b 117 c = ((c1 & 0x03) << 4) | ((c2 & 0xF0) >> 4);
gsfan 8:64184a968e3b 118 output[j+1] = base64[c];
gsfan 8:64184a968e3b 119 c = ((c2 & 0x0F) << 2) | ((c3 & 0xC0) >> 6);
gsfan 8:64184a968e3b 120 output[j+2] = (length>i+1)?base64[c]:'=';
gsfan 8:64184a968e3b 121 c = (c3 & 0x3F);
gsfan 8:64184a968e3b 122 output[j+3] = (length>i+2)?base64[c]:'=';
gsfan 8:64184a968e3b 123 }
gsfan 8:64184a968e3b 124 output[(((length-1)/3)+1)<<2] = '\0';
gsfan 8:64184a968e3b 125 return 0;
gsfan 8:64184a968e3b 126 }
gsfan 8:64184a968e3b 127
gsfan 8:64184a968e3b 128
gsfan 8:64184a968e3b 129 /* urlencode code from
gsfan 8:64184a968e3b 130 * Copyright (c) 2010 Donatien Garnier (donatiengar [at] gmail [dot] com)
gsfan 8:64184a968e3b 131 */
gsfan 8:64184a968e3b 132 int GSwifi::urlencode (const char *str, char *buf, int len) {
gsfan 8:64184a968e3b 133 // char *pstr = str, *buf = (char*)malloc(strlen(str) * 3 + 1), *pbuf = buf;
gsfan 8:64184a968e3b 134 const char *pstr = str;
gsfan 8:64184a968e3b 135 char *pbuf = buf;
gsfan 8:64184a968e3b 136
gsfan 8:64184a968e3b 137 if (len < (strlen(str) * 3 + 1)) return -1;
gsfan 8:64184a968e3b 138 while (*pstr) {
gsfan 8:64184a968e3b 139 if (isalnum(*pstr) || *pstr == '-' || *pstr == '_' || *pstr == '.' || *pstr == '~')
gsfan 8:64184a968e3b 140 *pbuf++ = *pstr;
gsfan 8:64184a968e3b 141 else if (*pstr == ' ')
gsfan 8:64184a968e3b 142 *pbuf++ = '+';
gsfan 8:64184a968e3b 143 else
gsfan 8:64184a968e3b 144 *pbuf++ = '%', *pbuf++ = to_hex(*pstr >> 4), *pbuf++ = to_hex(*pstr & 15);
gsfan 8:64184a968e3b 145 pstr++;
gsfan 8:64184a968e3b 146 }
gsfan 8:64184a968e3b 147 *pbuf = '\0';
gsfan 8:64184a968e3b 148 return 0;
gsfan 8:64184a968e3b 149 }
gsfan 8:64184a968e3b 150
gsfan 8:64184a968e3b 151 /* urldecode code from
gsfan 8:64184a968e3b 152 * Copyright (c) 2010 Donatien Garnier (donatiengar [at] gmail [dot] com)
gsfan 8:64184a968e3b 153 */
gsfan 8:64184a968e3b 154 int GSwifi::urldecode (const char *str, char *buf, int len) {
gsfan 8:64184a968e3b 155 // char *pstr = str, *buf = (char*)malloc(strlen(str) + 1), *pbuf = buf;
gsfan 8:64184a968e3b 156 const char *pstr = str;
gsfan 8:64184a968e3b 157 char *pbuf = buf;
gsfan 8:64184a968e3b 158
gsfan 8:64184a968e3b 159 if (len < (strlen(str) / 3 - 1)) return -1;
gsfan 8:64184a968e3b 160 while (*pstr) {
gsfan 8:64184a968e3b 161 if (*pstr == '%') {
gsfan 8:64184a968e3b 162 if (pstr[1] && pstr[2]) {
gsfan 8:64184a968e3b 163 *pbuf++ = from_hex(pstr[1]) << 4 | from_hex(pstr[2]);
gsfan 8:64184a968e3b 164 pstr += 2;
gsfan 8:64184a968e3b 165 }
gsfan 8:64184a968e3b 166 } else if (*pstr == '+') {
gsfan 8:64184a968e3b 167 *pbuf++ = ' ';
gsfan 8:64184a968e3b 168 } else {
gsfan 8:64184a968e3b 169 *pbuf++ = *pstr;
gsfan 8:64184a968e3b 170 }
gsfan 8:64184a968e3b 171 pstr++;
gsfan 8:64184a968e3b 172 }
gsfan 8:64184a968e3b 173 *pbuf = '\0';
gsfan 8:64184a968e3b 174 return 0;
gsfan 8:64184a968e3b 175 }