mirror of
https://github.com/lxsang/ant-http
synced 2024-11-08 21:28:22 +01:00
475 lines
12 KiB
C
475 lines
12 KiB
C
/*
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The MIT License (MIT)
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Copyright (c) 2015 LE Xuan Sang xsang.le@gmail.com
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Permission is hereby granted, free of charge, to any person obtaining a copy
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of this software and associated documentation files (the "Software"), to deal
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in the Software without restriction, including without limitation the rights
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to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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copies of the Software, and to permit persons to whom the Software is
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furnished to do so, subject to the following conditions:
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The above copyright notice and this permission notice shall be included in
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all copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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THE SOFTWARE.
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*/
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#include "utils.h"
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char* __s(const char* fstring,...)
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{
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char* data;
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va_list arguments;
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int dlen;
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va_start( arguments, fstring);
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dlen = vsnprintf(0,0,fstring,arguments) + 1;
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va_end(arguments);
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va_end(arguments);
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if ((data = (char*)malloc(dlen*sizeof(char))) != 0)
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{
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va_start(arguments, fstring);
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vsnprintf(data, dlen, fstring, arguments);
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va_end(arguments);
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return data;
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} else
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return "";
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}
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/**
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* Trim a string by a character on both ends
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* @param str The target string
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* @param delim the delim
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*/
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void trim(char* str, const char delim)
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{
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char * p = str;
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int l = strlen(p);
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while(p[l - 1] == delim) p[--l] = 0;
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while(* p && (* p) == delim ) ++p, --l;
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memmove(str, p, l + 1);
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}
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void removeAll(const char* path,int mode)
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{
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DIR *d;
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struct dirent *dir;
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char* file;
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struct stat st;
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if( stat(path, &st) == 0)
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{
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if(S_ISDIR(st.st_mode))
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{
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d = opendir(path);
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if(d)
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{
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while ((dir = readdir(d)) != NULL)
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{
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if(strcmp(dir->d_name,".") == 0 || strcmp(dir->d_name,"..")==0) continue;
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file = __s("%s/%s",path,dir->d_name);
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removeAll(file,1);
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free(file);
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}
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closedir(d);
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}
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}
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if(mode)
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remove(path);
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}
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}
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char* __time(time_t time)
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{
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struct tm *t = localtime(&time);
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char * buf = asctime(t);
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char* pos = strchr(buf,'\n');
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if(pos) *pos = '\0';
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return buf;
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}
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char* server_time()
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{
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return __time(time(NULL));
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}
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/**
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* Get extension of a file name
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* @param file The file name
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* @return the extension
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*/
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char* ext(const char* file)
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{
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char* token,*ltoken = "";
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if(file == NULL) return NULL;
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char* str_cpy = strdup(file);
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if(strstr(str_cpy,".")<= 0) return "";
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if(*file == '.')
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trim(str_cpy,'.');
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while((token = strsep(&str_cpy,".")) && strlen(token)>0) {ltoken = token;}
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free(str_cpy);
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return ltoken;
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}
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/**
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* Get correct HTTP mime type of a file
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* This is a minimalistic mime type list supported
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* by the server
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* @param file File name
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* @return The HTTP Mime Type
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*/
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char* mime(const char* file)
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{
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char * ex = ext(file);
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if(IEQU(ex,"bmp"))
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return "image/bmp";
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else if(IEQU(ex,"jpg") || IEQU(ex,"jpeg"))
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return "image/jpeg";
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else if(IEQU(ex,"css"))
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return "text/css";
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else if(IEQU(ex,"csv"))
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return "text/csv";
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else if(IEQU(ex,"pdf"))
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return "application/pdf";
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else if(IEQU(ex,"gif"))
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return "image/gif";
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else if(IEQU(ex,"html")||(IEQU(ex,"htm")))
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return "text/html";
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else if(IEQU(ex,"json"))
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return "application/json";
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else if(IEQU(ex,"js"))
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return "application/javascript";
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else if(IEQU(ex,"png"))
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return "image/png";
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else if(IEQU(ex,"ppm"))
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return "image/x-portable-pixmap";
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else if(IEQU(ex,"rar"))
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return "application/x-rar-compressed";
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else if(IEQU(ex,"tiff"))
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return "image/tiff";
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else if(IEQU(ex,"tar"))
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return "application/x-tar";
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else if(IEQU(ex,"txt"))
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return "text/plain";
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else if(IEQU(ex,"ttf"))
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return "application/x-font-ttf";
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else if(IEQU(ex,"xhtml"))
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return "application/xhtml+xml";
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else if(IEQU(ex,"xml"))
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return "application/xml";
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else if(IEQU(ex,"zip"))
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return "application/zip";
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else if(IEQU(ex,"svg"))
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return "image/svg+xml";
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else if(IEQU(ex,"eot"))
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return "application/vnd.ms-fontobject";
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else if(IEQU(ex,"woff") || IEQU(ex,"woff2"))
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return "application/x-font-woff";
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else if(IEQU(ex,"otf"))
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return "application/x-font-otf";
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//audio
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else if(IEQU(ex,"mp3"))
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return "audio/mpeg";
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else
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// The other type will be undestant as binary
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return "application/octet-stream";
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}
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int is_bin(const char* file)
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{
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char * ex = ext(file);
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if(IEQU(ex,"bmp"))
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return true;
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else if(IEQU(ex,"jpg") || IEQU(ex,"jpeg"))
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return true;
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else if(IEQU(ex,"css"))
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return false;
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else if(IEQU(ex,"csv"))
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return false;
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else if(IEQU(ex,"pdf"))
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return true;
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else if(IEQU(ex,"gif"))
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return true;
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else if(IEQU(ex,"html")||(IEQU(ex,"htm")))
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return false;
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else if(IEQU(ex,"json"))
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return false;
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else if(IEQU(ex,"js"))
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return false;
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else if(IEQU(ex,"png"))
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return true;
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else if(IEQU(ex,"ppm"))
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return true;
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else if(IEQU(ex,"rar"))
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return true;
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else if(IEQU(ex,"tiff"))
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return true;
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else if(IEQU(ex,"tar"))
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return true;
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else if(IEQU(ex,"txt"))
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return false;
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else if(IEQU(ex,"ttf"))
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return true;
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else if(IEQU(ex,"xhtml"))
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return false;
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else if(IEQU(ex,"xml"))
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return false;
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else if(IEQU(ex,"zip"))
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return true;
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else if(IEQU(ex,"svg"))
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return false;
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else if(IEQU(ex,"eot"))
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return true;
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else if(IEQU(ex,"woff") || IEQU(ex,"woff2"))
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return true;
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else if(IEQU(ex,"otf"))
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return true;
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else
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// The other type will be undestant as binary
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return true;
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//return "application/octet-stream";
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}
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int match_int(const char* search)
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{
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return regex_match("^[-+]?[0-9]+$",search);
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}
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int match_float(const char* search)
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{
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return regex_match("^[+-]?[0-9]*\\.[0-9]+$",search);
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}
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int regex_match(const char* expr,const char* search)
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{
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regex_t regex;
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int reti;
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char msgbuf[100];
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int ret;
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/* Compile regular expression */
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reti = regcomp(®ex, expr, REG_ICASE | REG_EXTENDED);
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if( reti ){
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LOG("Could not compile regex: %s\n",expr);
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return 0;
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}
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/* Execute regular expression */
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reti = regexec(®ex, search, 0, NULL, 0);
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if( !reti ){
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//LOG("Match");
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ret = 1;
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}
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else if( reti == REG_NOMATCH ){
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//LOG("No match");
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ret = 0;
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}
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else{
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regerror(reti, ®ex, msgbuf, sizeof(msgbuf));
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LOG("Regex match failed: %s\n", msgbuf);
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ret = 0;
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}
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regfree(®ex);
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return ret;
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}
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char *url_decode(const char *str) {
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char *pstr = str, *buf = malloc(strlen(str) + 1), *pbuf = buf;
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while (*pstr) {
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if (*pstr == '%') {
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if (pstr[1] && pstr[2]) {
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*pbuf++ = from_hex(pstr[1]) << 4 | from_hex(pstr[2]);
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pstr += 2;
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}
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} else if (*pstr == '+') {
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*pbuf++ = ' ';
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} else {
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*pbuf++ = *pstr;
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}
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pstr++;
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}
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*pbuf = '\0';
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return buf;
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}
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char *url_encode(const char *str) {
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char *pstr = str, *buf = malloc(strlen(str) * 3 + 1), *pbuf = buf;
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while (*pstr) {
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if (isalnum(*pstr) || *pstr == '-' || *pstr == '_' || *pstr == '.' || *pstr == '~')
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*pbuf++ = *pstr;
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else if (*pstr == ' ')
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*pbuf++ = '+';
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else
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*pbuf++ = '%', *pbuf++ = to_hex(*pstr >> 4), *pbuf++ = to_hex(*pstr & 15);
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pstr++;
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}
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*pbuf = '\0';
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return buf;
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}
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char from_hex(char ch) {
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return isdigit(ch) ? ch - '0' : tolower(ch) - 'a' + 10;
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}
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char to_hex(char code) {
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static char hex[] = "0123456789abcdef";
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return hex[code & 15];
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}
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unsigned hash(const char* key, int hash_size)
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{
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unsigned hashval = simple_hash(key);
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return hashval % hash_size;
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}
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unsigned simple_hash(const char* key)
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{
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unsigned hashval;
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for (hashval = 0; *key != '\0'; key++)
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hashval = *key + 31 * hashval;
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return hashval;
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}
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int is_file(const char* f)
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{
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struct stat st;
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return !(stat(f, &st) == -1);
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}
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// These vars will contain the hash
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void md5(uint8_t *initial_msg, size_t initial_len, char* buff) {
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uint32_t h0, h1, h2, h3;
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char tmp[80];
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uint8_t *msg = NULL;
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uint32_t r[] = {7, 12, 17, 22, 7, 12, 17, 22, 7, 12, 17, 22, 7, 12, 17, 22,
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5, 9, 14, 20, 5, 9, 14, 20, 5, 9, 14, 20, 5, 9, 14, 20,
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4, 11, 16, 23, 4, 11, 16, 23, 4, 11, 16, 23, 4, 11, 16, 23,
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6, 10, 15, 21, 6, 10, 15, 21, 6, 10, 15, 21, 6, 10, 15, 21};
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// Use binary integer part of the sines of integers (in radians) as constants// Initialize variables:
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uint32_t k[] = {
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0xd76aa478, 0xe8c7b756, 0x242070db, 0xc1bdceee,
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0xf57c0faf, 0x4787c62a, 0xa8304613, 0xfd469501,
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0x698098d8, 0x8b44f7af, 0xffff5bb1, 0x895cd7be,
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0x6b901122, 0xfd987193, 0xa679438e, 0x49b40821,
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0xf61e2562, 0xc040b340, 0x265e5a51, 0xe9b6c7aa,
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0xd62f105d, 0x02441453, 0xd8a1e681, 0xe7d3fbc8,
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0x21e1cde6, 0xc33707d6, 0xf4d50d87, 0x455a14ed,
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0xa9e3e905, 0xfcefa3f8, 0x676f02d9, 0x8d2a4c8a,
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0xfffa3942, 0x8771f681, 0x6d9d6122, 0xfde5380c,
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0xa4beea44, 0x4bdecfa9, 0xf6bb4b60, 0xbebfbc70,
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0x289b7ec6, 0xeaa127fa, 0xd4ef3085, 0x04881d05,
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0xd9d4d039, 0xe6db99e5, 0x1fa27cf8, 0xc4ac5665,
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0xf4292244, 0x432aff97, 0xab9423a7, 0xfc93a039,
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0x655b59c3, 0x8f0ccc92, 0xffeff47d, 0x85845dd1,
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0x6fa87e4f, 0xfe2ce6e0, 0xa3014314, 0x4e0811a1,
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0xf7537e82, 0xbd3af235, 0x2ad7d2bb, 0xeb86d391};
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h0 = 0x67452301;
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h1 = 0xefcdab89;
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h2 = 0x98badcfe;
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h3 = 0x10325476;
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// Pre-processing: adding a single 1 bit
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//append "1" bit to message
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/* Notice: the input bytes are considered as bits strings,
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where the first bit is the most significant bit of the byte.[37] */
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// Pre-processing: padding with zeros
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//append "0" bit until message length in bit ≡ 448 (mod 512)
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//append length mod (2 pow 64) to message
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int new_len;
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for(new_len = initial_len*8 + 1; new_len%512!=448; new_len++);
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new_len /= 8;
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msg = calloc(new_len + 64, 1); // also appends "0" bits
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// (we alloc also 64 extra bytes...)
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memcpy(msg, initial_msg, initial_len);
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msg[initial_len] = 128; // write the "1" bit
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uint32_t bits_len = 8*initial_len; // note, we append the len
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memcpy(msg + new_len, &bits_len, 4); // in bits at the end of the buffer
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// Process the message in successive 512-bit chunks:
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//for each 512-bit chunk of message:
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int offset;
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for(offset=0; offset<new_len; offset += (512/8)) {
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// break chunk into sixteen 32-bit words w[j], 0 ≤ j ≤ 15
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uint32_t *w = (uint32_t *) (msg + offset);
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// Initialize hash value for this chunk:
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uint32_t a = h0;
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uint32_t b = h1;
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uint32_t c = h2;
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uint32_t d = h3;
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// Main loop:
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uint32_t i;
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for(i = 0; i<64; i++) {
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uint32_t f, g;
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if (i < 16) {
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f = (b & c) | ((~b) & d);
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g = i;
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} else if (i < 32) {
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f = (d & b) | ((~d) & c);
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g = (5*i + 1) % 16;
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} else if (i < 48) {
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f = b ^ c ^ d;
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g = (3*i + 5) % 16;
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} else {
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f = c ^ (b | (~d));
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g = (7*i) % 16;
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}
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uint32_t temp = d;
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d = c;
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c = b;
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//printf("rotateLeft(%x + %x + %x + %x, %d)\n", a, f, k[i], w[g], r[i]);
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b = b + LEFTROTATE((a + f + k[i] + w[g]), r[i]);
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a = temp;
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}
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// Add this chunk's hash to result so far:
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h0 += a;
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h1 += b;
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h2 += c;
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h3 += d;
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}
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uint8_t *p;
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p=(uint8_t *)&h0;
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sprintf(tmp,"%02x%02x%02x%02x", p[0], p[1], p[2], p[3], h0);
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strcpy(buff, tmp);
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p=(uint8_t *)&h1;
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sprintf(tmp,"%02x%02x%02x%02x", p[0], p[1], p[2], p[3], h1);
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strcat(buff,tmp);
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p=(uint8_t *)&h2;
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sprintf(tmp,"%02x%02x%02x%02x", p[0], p[1], p[2], p[3], h2);
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strcat(buff,tmp);
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p=(uint8_t *)&h3;
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sprintf(tmp,"%02x%02x%02x%02x", p[0], p[1], p[2], p[3], h3);
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strcat(buff,tmp);
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// cleanup
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free(msg);
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}
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void sha1(const char* text, char* out)
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{
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uint8_t d [20];
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SHA1_CTX context;
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SHA1_Init(&context);
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SHA1_Update(&context, text, strlen(text));
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SHA1_Final(&context, d);
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digest_to_hex(d,out);
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} |