Modified version of NetServices. Fixes an issue where connections failed should the HTTP response status line be received in a packet on its own prior to any further headers. Changes are made to the HTTPClient.cpp file's readHeaders method.

Committer:
andrewbonney
Date:
Fri Apr 08 14:39:41 2011 +0000
Revision:
0:ec559500a63f

        

Who changed what in which revision?

UserRevisionLine numberNew contents of line
andrewbonney 0:ec559500a63f 1
andrewbonney 0:ec559500a63f 2 /*
andrewbonney 0:ec559500a63f 3 Copyright (c) 2010 Donatien Garnier (donatiengar [at] gmail [dot] com)
andrewbonney 0:ec559500a63f 4
andrewbonney 0:ec559500a63f 5 Permission is hereby granted, free of charge, to any person obtaining a copy
andrewbonney 0:ec559500a63f 6 of this software and associated documentation files (the "Software"), to deal
andrewbonney 0:ec559500a63f 7 in the Software without restriction, including without limitation the rights
andrewbonney 0:ec559500a63f 8 to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
andrewbonney 0:ec559500a63f 9 copies of the Software, and to permit persons to whom the Software is
andrewbonney 0:ec559500a63f 10 furnished to do so, subject to the following conditions:
andrewbonney 0:ec559500a63f 11
andrewbonney 0:ec559500a63f 12 The above copyright notice and this permission notice shall be included in
andrewbonney 0:ec559500a63f 13 all copies or substantial portions of the Software.
andrewbonney 0:ec559500a63f 14
andrewbonney 0:ec559500a63f 15 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
andrewbonney 0:ec559500a63f 16 IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
andrewbonney 0:ec559500a63f 17 FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
andrewbonney 0:ec559500a63f 18 AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
andrewbonney 0:ec559500a63f 19 LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
andrewbonney 0:ec559500a63f 20 OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
andrewbonney 0:ec559500a63f 21 THE SOFTWARE.
andrewbonney 0:ec559500a63f 22 */
andrewbonney 0:ec559500a63f 23
andrewbonney 0:ec559500a63f 24 #include "url.h"
andrewbonney 0:ec559500a63f 25 #include <stdlib.h>
andrewbonney 0:ec559500a63f 26 #include <ctype.h>
andrewbonney 0:ec559500a63f 27
andrewbonney 0:ec559500a63f 28 //From http://www.geekhideout.com/urlcode.shtml
andrewbonney 0:ec559500a63f 29
andrewbonney 0:ec559500a63f 30 char from_hex(char ch);
andrewbonney 0:ec559500a63f 31 char to_hex(char code);
andrewbonney 0:ec559500a63f 32
andrewbonney 0:ec559500a63f 33 /* Converts a hex character to its integer value */
andrewbonney 0:ec559500a63f 34 char from_hex(char ch) {
andrewbonney 0:ec559500a63f 35 return isdigit(ch) ? ch - '0' : tolower(ch) - 'a' + 10;
andrewbonney 0:ec559500a63f 36 }
andrewbonney 0:ec559500a63f 37
andrewbonney 0:ec559500a63f 38 /* Converts an integer value to its hex character*/
andrewbonney 0:ec559500a63f 39 char to_hex(char code) {
andrewbonney 0:ec559500a63f 40 static char hex[] = "0123456789abcdef";
andrewbonney 0:ec559500a63f 41 return hex[code & 15];
andrewbonney 0:ec559500a63f 42 }
andrewbonney 0:ec559500a63f 43
andrewbonney 0:ec559500a63f 44 /* Returns a url-encoded version of str */
andrewbonney 0:ec559500a63f 45 /* IMPORTANT: be sure to free() the returned string after use */
andrewbonney 0:ec559500a63f 46 char *url_encode(char *str) {
andrewbonney 0:ec559500a63f 47 char *pstr = str, *buf = (char*)malloc(strlen(str) * 3 + 1), *pbuf = buf;
andrewbonney 0:ec559500a63f 48 while (*pstr) {
andrewbonney 0:ec559500a63f 49 if (isalnum(*pstr) || *pstr == '-' || *pstr == '_' || *pstr == '.' || *pstr == '~')
andrewbonney 0:ec559500a63f 50 *pbuf++ = *pstr;
andrewbonney 0:ec559500a63f 51 else if (*pstr == ' ')
andrewbonney 0:ec559500a63f 52 *pbuf++ = '+';
andrewbonney 0:ec559500a63f 53 else
andrewbonney 0:ec559500a63f 54 *pbuf++ = '%', *pbuf++ = to_hex(*pstr >> 4), *pbuf++ = to_hex(*pstr & 15);
andrewbonney 0:ec559500a63f 55 pstr++;
andrewbonney 0:ec559500a63f 56 }
andrewbonney 0:ec559500a63f 57 *pbuf = '\0';
andrewbonney 0:ec559500a63f 58 return buf;
andrewbonney 0:ec559500a63f 59 }
andrewbonney 0:ec559500a63f 60
andrewbonney 0:ec559500a63f 61 /* Returns a url-decoded version of str */
andrewbonney 0:ec559500a63f 62 /* IMPORTANT: be sure to free() the returned string after use */
andrewbonney 0:ec559500a63f 63 char *url_decode(char *str) {
andrewbonney 0:ec559500a63f 64 char *pstr = str, *buf = (char*)malloc(strlen(str) + 1), *pbuf = buf;
andrewbonney 0:ec559500a63f 65 while (*pstr) {
andrewbonney 0:ec559500a63f 66 if (*pstr == '%') {
andrewbonney 0:ec559500a63f 67 if (pstr[1] && pstr[2]) {
andrewbonney 0:ec559500a63f 68 *pbuf++ = from_hex(pstr[1]) << 4 | from_hex(pstr[2]);
andrewbonney 0:ec559500a63f 69 pstr += 2;
andrewbonney 0:ec559500a63f 70 }
andrewbonney 0:ec559500a63f 71 } else if (*pstr == '+') {
andrewbonney 0:ec559500a63f 72 *pbuf++ = ' ';
andrewbonney 0:ec559500a63f 73 } else {
andrewbonney 0:ec559500a63f 74 *pbuf++ = *pstr;
andrewbonney 0:ec559500a63f 75 }
andrewbonney 0:ec559500a63f 76 pstr++;
andrewbonney 0:ec559500a63f 77 }
andrewbonney 0:ec559500a63f 78 *pbuf = '\0';
andrewbonney 0:ec559500a63f 79 return buf;
andrewbonney 0:ec559500a63f 80 }