more handlers
Dependents: bandwidth-meter-net mbedRail24v
Fork of Tiny-HTTPD by
HTTPD_util.cpp
- Committer:
- ban4jp
- Date:
- 2014-02-04
- Revision:
- 2:905fe8dfebd6
- Parent:
- 0:d18dff347122
- Child:
- 3:145c65ab9805
File content as of revision 2:905fe8dfebd6:
/* Copyright (C) 2013 Hiroshi Suga, MIT License * * Permission is hereby granted, free of charge, to any person obtaining a copy of this software * and associated documentation files (the "Software"), to deal in the Software without restriction, * including without limitation the rights to use, copy, modify, merge, publish, distribute, * sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is * furnished to do so, subject to the following conditions: * * The above copyright notice and this permission notice shall be included in all copies or * substantial portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING * BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ #include "HTTPD.h" #include <ctype.h> #include <stdlib.h> #include <string.h> #define MIMETABLE_NUM 9 static const struct { char ext[5]; char type[24]; } mimetable[MIMETABLE_NUM] = { {"txt", "text/plain"}, // default {"html", "text/html"}, {"htm", "text/html"}, {"css", "text/css"}, {"js", "application/javascript"}, {"jpg", "image/jpeg"}, {"png", "image/png"}, {"gif", "image/gif"}, {"ico", "image/x-icon"}, }; char *HTTPD::getUri (int id) { return _state[id].uri; } char *HTTPD::getFilename (int id) { return _state[id].filename; } char *HTTPD::getQueryString (int id) { return _state[id].querystring; } int HTTPD::receive (int id, char *buf, int len) { int i; for (i = 0; i < len; i ++) { if (_state[id].buf->dequeue(&buf[i]) == false) break; } return i; } int HTTPD::send (int id, const char *body, int len, const char *header) { char buf[HTTPD_CMD_SIZE]; strcpy(buf, "HTTP/1.1 200 OK\r\n"); _state[id].client->send_all(buf, strlen(buf)); strcpy(buf, server_name); _state[id].client->send_all(buf, strlen(buf)); if (_state[id].keepalive) { strcpy(buf, "Connection: Keep-Alive\r\n"); } else { strcpy(buf, "Connection: close\r\n"); } _state[id].client->send_all(buf, strlen(buf)); if (header) { _state[id].client->send_all((char*)header, strlen(header)); } sprintf(buf, "Content-Length: %d\r\n\r\n", len); _state[id].client->send_all(buf, strlen(buf)); return _state[id].client->send_all((char*)body, len); } int HTTPD::getHandler (const char *uri) { int i; for (i = 0; i < _handler_count; i ++) { if (strncmp(uri, _handler[i].uri, strlen(_handler[i].uri)) == NULL) { // found return i; } } return -1; } int HTTPD::attach (const char *uri, const char *dir) { if (_handler_count < HTTPD_MAX_HANDLES) { _handler[_handler_count].uri = (char*)malloc(strlen(uri) + 1); strcpy(_handler[_handler_count].uri, uri); _handler[_handler_count].dir = (char*)malloc(strlen(dir) + 1); strcpy(_handler[_handler_count].dir, dir); _handler[_handler_count].funcCgi = NULL; _handler_count ++; return 0; } else { return -1; } } int HTTPD::attach (const char *uri, void (*funcCgi)(int)) { if (_handler_count < HTTPD_MAX_HANDLES) { _handler[_handler_count].uri = (char*)malloc(strlen(uri) + 1); strcpy(_handler[_handler_count].uri, uri); _handler[_handler_count].dir = NULL; _handler[_handler_count].funcCgi = funcCgi; _handler_count ++; return 0; } else { return -1; } } char *HTTPD::mimetype (char *file) { int i, j; for (i = 0; i < MIMETABLE_NUM; i ++) { j = strlen(mimetable[i].ext); if (file[strlen(file) - j - 1] == '.' && strnicmp(&file[strlen(file) - j], mimetable[i].ext, j) == NULL) { return (char*)mimetable[i].type; } } return (char*)mimetable[0].type; } int HTTPD::strnicmp (const char *p1, const char *p2, int n) { int i, r = -1; char c1, c2; for (i = 0; i < n; i ++) { c1 = (p1[i] >= 'a' && p1[i] <= 'z') ? p1[i] - ('a' - 'A'): p1[i]; c2 = (p2[i] >= 'a' && p2[i] <= 'z') ? p2[i] - ('a' - 'A'): p2[i]; r = c1 - c2; if (r) break; } return r; } /* base64encode code from * Copyright (c) 2010 Donatien Garnier (donatiengar [at] gmail [dot] com) */ int HTTPD::base64encode (const char *input, int length, char *output, int len) { static const char base64[] = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/"; unsigned int c, c1, c2, c3; if (len < ((((length-1)/3)+1)<<2)) return -1; for(unsigned int i = 0, j = 0; i<length; i+=3,j+=4) { c1 = ((((unsigned char)*((unsigned char *)&input[i])))); c2 = (length>i+1)?((((unsigned char)*((unsigned char *)&input[i+1])))):0; c3 = (length>i+2)?((((unsigned char)*((unsigned char *)&input[i+2])))):0; c = ((c1 & 0xFC) >> 2); output[j+0] = base64[c]; c = ((c1 & 0x03) << 4) | ((c2 & 0xF0) >> 4); output[j+1] = base64[c]; c = ((c2 & 0x0F) << 2) | ((c3 & 0xC0) >> 6); output[j+2] = (length>i+1)?base64[c]:'='; c = (c3 & 0x3F); output[j+3] = (length>i+2)?base64[c]:'='; } output[(((length-1)/3)+1)<<2] = '\0'; return 0; } /* urlencode code from * Copyright (c) 2010 Donatien Garnier (donatiengar [at] gmail [dot] com) */ int HTTPD::urlencode (const char *str, char *buf, int len) { // char *pstr = str, *buf = (char*)malloc(strlen(str) * 3 + 1), *pbuf = buf; const char *pstr = str; char *pbuf = buf; if (len < (strlen(str) * 3 + 1)) return -1; while (*pstr) { if (isalnum(*pstr) || *pstr == '-' || *pstr == '_' || *pstr == '.' || *pstr == '~') *pbuf++ = *pstr; else if (*pstr == ' ') *pbuf++ = '+'; else *pbuf++ = '%', *pbuf++ = to_hex(*pstr >> 4), *pbuf++ = to_hex(*pstr & 15); pstr++; } *pbuf = '\0'; return 0; } /* urldecode code from * Copyright (c) 2010 Donatien Garnier (donatiengar [at] gmail [dot] com) */ int HTTPD::urldecode (const char *str, char *buf, int len) { // char *pstr = str, *buf = (char*)malloc(strlen(str) + 1), *pbuf = buf; const char *pstr = str; char *pbuf = buf; if (len < (strlen(str) / 3 - 1)) return -1; while (*pstr) { if (*pstr == '%') { if (pstr[1] && pstr[2]) { *pbuf++ = from_hex(pstr[1]) << 4 | from_hex(pstr[2]); pstr += 2; } } else if (*pstr == '+') { *pbuf++ = ' '; } else { *pbuf++ = *pstr; } pstr++; } *pbuf = '\0'; return 0; } int HTTPD::from_hex (int ch) { return isdigit(ch) ? ch - '0' : tolower(ch) - 'a' + 10; } int HTTPD::to_hex (int code) { static char hex[] = "0123456789abcdef"; return hex[code & 15]; }