HTTP Client test for AbitUSBModem. see: http://developer.mbed.org/users/phsfan/notebook/abitusbmodem/
Dependencies: AbitUSBModem USBHost mbed
TinyHTTP.cpp@0:35cf1b2fc6e2, 2015-02-19 (annotated)
- Committer:
- phsfan
- Date:
- Thu Feb 19 00:08:49 2015 +0000
- Revision:
- 0:35cf1b2fc6e2
1st build;
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
phsfan | 0:35cf1b2fc6e2 | 1 | /* |
phsfan | 0:35cf1b2fc6e2 | 2 | * mbed Tiny HTTP Client for Ethernet Interface Library |
phsfan | 0:35cf1b2fc6e2 | 3 | * Copyright (c) 2012 Hiroshi Suga |
phsfan | 0:35cf1b2fc6e2 | 4 | * Released under the MIT License: http://mbed.org/license/mit |
phsfan | 0:35cf1b2fc6e2 | 5 | */ |
phsfan | 0:35cf1b2fc6e2 | 6 | |
phsfan | 0:35cf1b2fc6e2 | 7 | /** @file |
phsfan | 0:35cf1b2fc6e2 | 8 | * @brief Tiny HTTP Client |
phsfan | 0:35cf1b2fc6e2 | 9 | */ |
phsfan | 0:35cf1b2fc6e2 | 10 | |
phsfan | 0:35cf1b2fc6e2 | 11 | #include "mbed.h" |
phsfan | 0:35cf1b2fc6e2 | 12 | #include "TinyHTTP.h" |
phsfan | 0:35cf1b2fc6e2 | 13 | #include "TCPSocketConnection.h" |
phsfan | 0:35cf1b2fc6e2 | 14 | #include <ctype.h> |
phsfan | 0:35cf1b2fc6e2 | 15 | |
phsfan | 0:35cf1b2fc6e2 | 16 | //#define DEBUG |
phsfan | 0:35cf1b2fc6e2 | 17 | |
phsfan | 0:35cf1b2fc6e2 | 18 | static onHttpReceiveFunc onHttpReceive = NULL; |
phsfan | 0:35cf1b2fc6e2 | 19 | |
phsfan | 0:35cf1b2fc6e2 | 20 | // Copyright (c) 2010 Donatien Garnier (donatiengar [at] gmail [dot] com) |
phsfan | 0:35cf1b2fc6e2 | 21 | int base64enc(const char *input, unsigned int length, char *output, int len) { |
phsfan | 0:35cf1b2fc6e2 | 22 | static const char base64[] = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/"; |
phsfan | 0:35cf1b2fc6e2 | 23 | unsigned int c, c1, c2, c3; |
phsfan | 0:35cf1b2fc6e2 | 24 | |
phsfan | 0:35cf1b2fc6e2 | 25 | if (len < ((((length-1)/3)+1)<<2)) return -1; |
phsfan | 0:35cf1b2fc6e2 | 26 | for(unsigned int i = 0, j = 0; i<length; i+=3,j+=4) { |
phsfan | 0:35cf1b2fc6e2 | 27 | c1 = ((((unsigned char)*((unsigned char *)&input[i])))); |
phsfan | 0:35cf1b2fc6e2 | 28 | c2 = (length>i+1)?((((unsigned char)*((unsigned char *)&input[i+1])))):0; |
phsfan | 0:35cf1b2fc6e2 | 29 | c3 = (length>i+2)?((((unsigned char)*((unsigned char *)&input[i+2])))):0; |
phsfan | 0:35cf1b2fc6e2 | 30 | |
phsfan | 0:35cf1b2fc6e2 | 31 | c = ((c1 & 0xFC) >> 2); |
phsfan | 0:35cf1b2fc6e2 | 32 | output[j+0] = base64[c]; |
phsfan | 0:35cf1b2fc6e2 | 33 | c = ((c1 & 0x03) << 4) | ((c2 & 0xF0) >> 4); |
phsfan | 0:35cf1b2fc6e2 | 34 | output[j+1] = base64[c]; |
phsfan | 0:35cf1b2fc6e2 | 35 | c = ((c2 & 0x0F) << 2) | ((c3 & 0xC0) >> 6); |
phsfan | 0:35cf1b2fc6e2 | 36 | output[j+2] = (length>i+1)?base64[c]:'='; |
phsfan | 0:35cf1b2fc6e2 | 37 | c = (c3 & 0x3F); |
phsfan | 0:35cf1b2fc6e2 | 38 | output[j+3] = (length>i+2)?base64[c]:'='; |
phsfan | 0:35cf1b2fc6e2 | 39 | } |
phsfan | 0:35cf1b2fc6e2 | 40 | output[(((length-1)/3)+1)<<2] = '\0'; |
phsfan | 0:35cf1b2fc6e2 | 41 | return 0; |
phsfan | 0:35cf1b2fc6e2 | 42 | } |
phsfan | 0:35cf1b2fc6e2 | 43 | |
phsfan | 0:35cf1b2fc6e2 | 44 | // Copyright (c) 2010 Donatien Garnier (donatiengar [at] gmail [dot] com) |
phsfan | 0:35cf1b2fc6e2 | 45 | int urlencode(char *str, char *buf, int len) { |
phsfan | 0:35cf1b2fc6e2 | 46 | static const char to_hex[] = "0123456789ABCDEF"; |
phsfan | 0:35cf1b2fc6e2 | 47 | // char *pstr = str, *buf = (char*)malloc(strlen(str) * 3 + 1), *pbuf = buf; |
phsfan | 0:35cf1b2fc6e2 | 48 | char *pstr = str, *pbuf = buf; |
phsfan | 0:35cf1b2fc6e2 | 49 | |
phsfan | 0:35cf1b2fc6e2 | 50 | if (len < (strlen(str) * 3 + 1)) return -1; |
phsfan | 0:35cf1b2fc6e2 | 51 | while (*pstr) { |
phsfan | 0:35cf1b2fc6e2 | 52 | if (isalnum(*pstr) || *pstr == '-' || *pstr == '_' || *pstr == '.' || *pstr == '~') { |
phsfan | 0:35cf1b2fc6e2 | 53 | *pbuf++ = *pstr; |
phsfan | 0:35cf1b2fc6e2 | 54 | } else if (*pstr == ' ') { |
phsfan | 0:35cf1b2fc6e2 | 55 | *pbuf++ = '+'; |
phsfan | 0:35cf1b2fc6e2 | 56 | } else { |
phsfan | 0:35cf1b2fc6e2 | 57 | *pbuf++ = '%'; |
phsfan | 0:35cf1b2fc6e2 | 58 | *pbuf++ = to_hex[(*pstr >> 4) & 0x0f]; |
phsfan | 0:35cf1b2fc6e2 | 59 | *pbuf++ = to_hex[*pstr & 0x0f]; |
phsfan | 0:35cf1b2fc6e2 | 60 | } |
phsfan | 0:35cf1b2fc6e2 | 61 | pstr++; |
phsfan | 0:35cf1b2fc6e2 | 62 | } |
phsfan | 0:35cf1b2fc6e2 | 63 | *pbuf = '\0'; |
phsfan | 0:35cf1b2fc6e2 | 64 | return 0; |
phsfan | 0:35cf1b2fc6e2 | 65 | } |
phsfan | 0:35cf1b2fc6e2 | 66 | |
phsfan | 0:35cf1b2fc6e2 | 67 | void createauth (char *user, char *pwd, char *buf, int len) { |
phsfan | 0:35cf1b2fc6e2 | 68 | char tmp[80]; |
phsfan | 0:35cf1b2fc6e2 | 69 | |
phsfan | 0:35cf1b2fc6e2 | 70 | strncpy(buf, "Authorization: Basic ", len); |
phsfan | 0:35cf1b2fc6e2 | 71 | snprintf(tmp, sizeof(tmp), "%s:%s", user, pwd); |
phsfan | 0:35cf1b2fc6e2 | 72 | base64enc(tmp, strlen(tmp), &buf[strlen(buf)], len - strlen(buf)); |
phsfan | 0:35cf1b2fc6e2 | 73 | strncat(buf, "\r\n", len - strlen(buf)); |
phsfan | 0:35cf1b2fc6e2 | 74 | } |
phsfan | 0:35cf1b2fc6e2 | 75 | |
phsfan | 0:35cf1b2fc6e2 | 76 | int httpRequest (int method, char *host, int port, char *uri, char *head, char *body, onHttpReceiveFunc func) { |
phsfan | 0:35cf1b2fc6e2 | 77 | char buf[1000]; |
phsfan | 0:35cf1b2fc6e2 | 78 | int i, ret = -1; |
phsfan | 0:35cf1b2fc6e2 | 79 | |
phsfan | 0:35cf1b2fc6e2 | 80 | onHttpReceive = func; |
phsfan | 0:35cf1b2fc6e2 | 81 | |
phsfan | 0:35cf1b2fc6e2 | 82 | TCPSocketConnection socket; |
phsfan | 0:35cf1b2fc6e2 | 83 | if (socket.connect(host, port) < 0) goto exit; |
phsfan | 0:35cf1b2fc6e2 | 84 | |
phsfan | 0:35cf1b2fc6e2 | 85 | #ifdef DEBUG |
phsfan | 0:35cf1b2fc6e2 | 86 | printf("connected\r\n"); |
phsfan | 0:35cf1b2fc6e2 | 87 | #endif |
phsfan | 0:35cf1b2fc6e2 | 88 | |
phsfan | 0:35cf1b2fc6e2 | 89 | // send request |
phsfan | 0:35cf1b2fc6e2 | 90 | if (method == METHOD_POST) { |
phsfan | 0:35cf1b2fc6e2 | 91 | socket.send_all("POST ", 5); |
phsfan | 0:35cf1b2fc6e2 | 92 | } else { |
phsfan | 0:35cf1b2fc6e2 | 93 | socket.send_all("GET ", 4); |
phsfan | 0:35cf1b2fc6e2 | 94 | } |
phsfan | 0:35cf1b2fc6e2 | 95 | socket.send_all(uri, strlen(uri)); |
phsfan | 0:35cf1b2fc6e2 | 96 | socket.send_all(" HTTP/1.1\r\nHost: ", 17); |
phsfan | 0:35cf1b2fc6e2 | 97 | socket.send_all(host, strlen(host)); |
phsfan | 0:35cf1b2fc6e2 | 98 | socket.send_all("\r\n", 2); |
phsfan | 0:35cf1b2fc6e2 | 99 | socket.send_all("Connection: close\r\n", 19); |
phsfan | 0:35cf1b2fc6e2 | 100 | if (head) { |
phsfan | 0:35cf1b2fc6e2 | 101 | socket.send_all(head, strlen(head)); |
phsfan | 0:35cf1b2fc6e2 | 102 | } |
phsfan | 0:35cf1b2fc6e2 | 103 | if (method == METHOD_POST) { |
phsfan | 0:35cf1b2fc6e2 | 104 | sprintf(buf, "Content-Length: %d\r\n", strlen(body)); |
phsfan | 0:35cf1b2fc6e2 | 105 | socket.send_all(buf, strlen(buf)); |
phsfan | 0:35cf1b2fc6e2 | 106 | } |
phsfan | 0:35cf1b2fc6e2 | 107 | socket.send_all("\r\n", 2); |
phsfan | 0:35cf1b2fc6e2 | 108 | |
phsfan | 0:35cf1b2fc6e2 | 109 | // post method |
phsfan | 0:35cf1b2fc6e2 | 110 | if (method == METHOD_POST && body) { |
phsfan | 0:35cf1b2fc6e2 | 111 | socket.send_all(body, strlen(body)); |
phsfan | 0:35cf1b2fc6e2 | 112 | } |
phsfan | 0:35cf1b2fc6e2 | 113 | |
phsfan | 0:35cf1b2fc6e2 | 114 | printf("wait for response\r\n"); |
phsfan | 0:35cf1b2fc6e2 | 115 | // recv |
phsfan | 0:35cf1b2fc6e2 | 116 | for (;;) { |
phsfan | 0:35cf1b2fc6e2 | 117 | i = socket.receive(buf, sizeof(buf) - 1); |
phsfan | 0:35cf1b2fc6e2 | 118 | if (i == 0) break; |
phsfan | 0:35cf1b2fc6e2 | 119 | |
phsfan | 0:35cf1b2fc6e2 | 120 | if (onHttpReceive != NULL) onHttpReceive(buf, i); |
phsfan | 0:35cf1b2fc6e2 | 121 | } |
phsfan | 0:35cf1b2fc6e2 | 122 | ret = 0; |
phsfan | 0:35cf1b2fc6e2 | 123 | |
phsfan | 0:35cf1b2fc6e2 | 124 | exit: |
phsfan | 0:35cf1b2fc6e2 | 125 | socket.close(); |
phsfan | 0:35cf1b2fc6e2 | 126 | |
phsfan | 0:35cf1b2fc6e2 | 127 | return ret; |
phsfan | 0:35cf1b2fc6e2 | 128 | } |