mirror of
https://github.com/lxsang/ant-http
synced 2024-07-05 22:19:47 +02:00
338 lines
7.8 KiB
C
338 lines
7.8 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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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 "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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} |