phs fan / Mbed 2 deprecated PHSShield_test

see: https://developer.mbed.org/users/phsfan/notebook/phsshield/

Dependencies:   a3gs mbed

TinyHTTP_a3gs.cpp@0:864cc2bec4bf, 2015-03-10 (annotated)

Committer:
phsfan
Date:
Tue Mar 10 01:18:38 2015 +0000
Revision:
0:864cc2bec4bf
1st build

Who changed what in which revision?

UserRevisionLine numberNew contents of line
phsfan 0:864cc2bec4bf 1 /*
phsfan 0:864cc2bec4bf 2 * mbed Tiny HTTP Client for Ethernet Interface Library
phsfan 0:864cc2bec4bf 3 * Copyright (c) 2012 Hiroshi Suga
phsfan 0:864cc2bec4bf 4 * Released under the MIT License: http://mbed.org/license/mit
phsfan 0:864cc2bec4bf 5 */
phsfan 0:864cc2bec4bf 6
phsfan 0:864cc2bec4bf 7 /** @file
phsfan 0:864cc2bec4bf 8 * @brief Tiny HTTP Client
phsfan 0:864cc2bec4bf 9 */
phsfan 0:864cc2bec4bf 10
phsfan 0:864cc2bec4bf 11 #include "mbed.h"
phsfan 0:864cc2bec4bf 12 #include "TinyHTTP_a3gs.h"
phsfan 0:864cc2bec4bf 13 #include "a3gs.h"
phsfan 0:864cc2bec4bf 14 #include <ctype.h>
phsfan 0:864cc2bec4bf 15
phsfan 0:864cc2bec4bf 16 //#define DEBUG
phsfan 0:864cc2bec4bf 17
phsfan 0:864cc2bec4bf 18 extern A3GS a3gs;
phsfan 0:864cc2bec4bf 19 static onHttpReceiveFunc onHttpReceive = NULL;
phsfan 0:864cc2bec4bf 20
phsfan 0:864cc2bec4bf 21 // Copyright (c) 2010 Donatien Garnier (donatiengar [at] gmail [dot] com)
phsfan 0:864cc2bec4bf 22 int base64enc(const char *input, unsigned int length, char *output, int len) {
phsfan 0:864cc2bec4bf 23 static const char base64[] = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/";
phsfan 0:864cc2bec4bf 24 unsigned int c, c1, c2, c3;
phsfan 0:864cc2bec4bf 25
phsfan 0:864cc2bec4bf 26 if (len < ((((length-1)/3)+1)<<2)) return -1;
phsfan 0:864cc2bec4bf 27 for(unsigned int i = 0, j = 0; i<length; i+=3,j+=4) {
phsfan 0:864cc2bec4bf 28 c1 = ((((unsigned char)*((unsigned char *)&input[i]))));
phsfan 0:864cc2bec4bf 29 c2 = (length>i+1)?((((unsigned char)*((unsigned char *)&input[i+1])))):0;
phsfan 0:864cc2bec4bf 30 c3 = (length>i+2)?((((unsigned char)*((unsigned char *)&input[i+2])))):0;
phsfan 0:864cc2bec4bf 31
phsfan 0:864cc2bec4bf 32 c = ((c1 & 0xFC) >> 2);
phsfan 0:864cc2bec4bf 33 output[j+0] = base64[c];
phsfan 0:864cc2bec4bf 34 c = ((c1 & 0x03) << 4) | ((c2 & 0xF0) >> 4);
phsfan 0:864cc2bec4bf 35 output[j+1] = base64[c];
phsfan 0:864cc2bec4bf 36 c = ((c2 & 0x0F) << 2) | ((c3 & 0xC0) >> 6);
phsfan 0:864cc2bec4bf 37 output[j+2] = (length>i+1)?base64[c]:'=';
phsfan 0:864cc2bec4bf 38 c = (c3 & 0x3F);
phsfan 0:864cc2bec4bf 39 output[j+3] = (length>i+2)?base64[c]:'=';
phsfan 0:864cc2bec4bf 40 }
phsfan 0:864cc2bec4bf 41 output[(((length-1)/3)+1)<<2] = '\0';
phsfan 0:864cc2bec4bf 42 return 0;
phsfan 0:864cc2bec4bf 43 }
phsfan 0:864cc2bec4bf 44
phsfan 0:864cc2bec4bf 45 // Copyright (c) 2010 Donatien Garnier (donatiengar [at] gmail [dot] com)
phsfan 0:864cc2bec4bf 46 int urlencode(char *str, char *buf, int len) {
phsfan 0:864cc2bec4bf 47 static const char to_hex[] = "0123456789ABCDEF";
phsfan 0:864cc2bec4bf 48 // char *pstr = str, *buf = (char*)malloc(strlen(str) * 3 + 1), *pbuf = buf;
phsfan 0:864cc2bec4bf 49 char *pstr = str, *pbuf = buf;
phsfan 0:864cc2bec4bf 50
phsfan 0:864cc2bec4bf 51 if (len < (strlen(str) * 3 + 1)) return -1;
phsfan 0:864cc2bec4bf 52 while (*pstr) {
phsfan 0:864cc2bec4bf 53 if (isalnum(*pstr) || *pstr == '-' || *pstr == '_' || *pstr == '.' || *pstr == '~') {
phsfan 0:864cc2bec4bf 54 *pbuf++ = *pstr;
phsfan 0:864cc2bec4bf 55 } else if (*pstr == ' ') {
phsfan 0:864cc2bec4bf 56 *pbuf++ = '+';
phsfan 0:864cc2bec4bf 57 } else {
phsfan 0:864cc2bec4bf 58 *pbuf++ = '%';
phsfan 0:864cc2bec4bf 59 *pbuf++ = to_hex[(*pstr >> 4) & 0x0f];
phsfan 0:864cc2bec4bf 60 *pbuf++ = to_hex[*pstr & 0x0f];
phsfan 0:864cc2bec4bf 61 }
phsfan 0:864cc2bec4bf 62 pstr++;
phsfan 0:864cc2bec4bf 63 }
phsfan 0:864cc2bec4bf 64 *pbuf = '\0';
phsfan 0:864cc2bec4bf 65 return 0;
phsfan 0:864cc2bec4bf 66 }
phsfan 0:864cc2bec4bf 67
phsfan 0:864cc2bec4bf 68 void createauth (char *user, char *pwd, char *buf, int len) {
phsfan 0:864cc2bec4bf 69 char tmp[80];
phsfan 0:864cc2bec4bf 70
phsfan 0:864cc2bec4bf 71 strncpy(buf, "Authorization: Basic ", len);
phsfan 0:864cc2bec4bf 72 snprintf(tmp, sizeof(tmp), "%s:%s", user, pwd);
phsfan 0:864cc2bec4bf 73 base64enc(tmp, strlen(tmp), &buf[strlen(buf)], len - strlen(buf));
phsfan 0:864cc2bec4bf 74 strncat(buf, "\r\n", len - strlen(buf));
phsfan 0:864cc2bec4bf 75 }
phsfan 0:864cc2bec4bf 76
phsfan 0:864cc2bec4bf 77 int httpRequest (int method, char *host, int port, char *uri, char *head, char *body, onHttpReceiveFunc func) {
phsfan 0:864cc2bec4bf 78 char buf[1000];
phsfan 0:864cc2bec4bf 79 int i, ret = -1;
phsfan 0:864cc2bec4bf 80
phsfan 0:864cc2bec4bf 81 onHttpReceive = func;
phsfan 0:864cc2bec4bf 82
phsfan 0:864cc2bec4bf 83 if (a3gs.connectTCP(host, port)) return -1;
phsfan 0:864cc2bec4bf 84
phsfan 0:864cc2bec4bf 85 #ifdef DEBUG
phsfan 0:864cc2bec4bf 86 printf("connected\r\n");
phsfan 0:864cc2bec4bf 87 #endif
phsfan 0:864cc2bec4bf 88
phsfan 0:864cc2bec4bf 89 // send request
phsfan 0:864cc2bec4bf 90 if (method == METHOD_POST) {
phsfan 0:864cc2bec4bf 91 a3gs.write((uint8_t*)"POST ", 5);
phsfan 0:864cc2bec4bf 92 } else {
phsfan 0:864cc2bec4bf 93 a3gs.write((uint8_t*)"GET ", 4);
phsfan 0:864cc2bec4bf 94 }
phsfan 0:864cc2bec4bf 95 a3gs.write((uint8_t*)uri, strlen(uri));
phsfan 0:864cc2bec4bf 96 a3gs.write((uint8_t*)" HTTP/1.1\r\nHost: ", 17);
phsfan 0:864cc2bec4bf 97 a3gs.write((uint8_t*)host, strlen(host));
phsfan 0:864cc2bec4bf 98 a3gs.write((uint8_t*)"\r\n", 2);
phsfan 0:864cc2bec4bf 99 a3gs.write((uint8_t*)"Connection: close\r\n", 19);
phsfan 0:864cc2bec4bf 100 if (head) {
phsfan 0:864cc2bec4bf 101 a3gs.write((uint8_t*)head, strlen(head));
phsfan 0:864cc2bec4bf 102 }
phsfan 0:864cc2bec4bf 103 if (method == METHOD_POST) {
phsfan 0:864cc2bec4bf 104 sprintf(buf, "Content-Length: %d\r\n", strlen(body));
phsfan 0:864cc2bec4bf 105 a3gs.write((uint8_t*)buf, strlen(buf));
phsfan 0:864cc2bec4bf 106 }
phsfan 0:864cc2bec4bf 107 a3gs.write((uint8_t*)"\r\n", 2);
phsfan 0:864cc2bec4bf 108
phsfan 0:864cc2bec4bf 109 // post method
phsfan 0:864cc2bec4bf 110 if (method == METHOD_POST && body) {
phsfan 0:864cc2bec4bf 111 a3gs.write((uint8_t*)body, strlen(body));
phsfan 0:864cc2bec4bf 112 }
phsfan 0:864cc2bec4bf 113
phsfan 0:864cc2bec4bf 114 printf("wait for response\r\n");
phsfan 0:864cc2bec4bf 115 // recv
phsfan 0:864cc2bec4bf 116 int err = 0;
phsfan 0:864cc2bec4bf 117 for (;;) {
phsfan 0:864cc2bec4bf 118 i = a3gs.read(buf, sizeof(buf) - 1);
phsfan 0:864cc2bec4bf 119 if (i <= 0) break;
phsfan 0:864cc2bec4bf 120
phsfan 0:864cc2bec4bf 121 if (onHttpReceive != NULL) onHttpReceive(buf, i);
phsfan 0:864cc2bec4bf 122 }
phsfan 0:864cc2bec4bf 123 ret = 0;
phsfan 0:864cc2bec4bf 124
phsfan 0:864cc2bec4bf 125 a3gs.disconnectTCP();
phsfan 0:864cc2bec4bf 126
phsfan 0:864cc2bec4bf 127 return ret;
phsfan 0:864cc2bec4bf 128 }