2017-07-29 22:00:34 +02:00
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#include "handle.h"
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void set_status(int client,int code,const char* msg)
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{
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response(client, __s("HTTP/1.0 %d %s", code, msg));
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response(client, __s("Server: %s ", SERVER_NAME));
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}
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void redirect(int client,const char*path)
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{
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__t(client,"<html><head><meta http-equiv=\"refresh\" content=\"0; url=%s\"></head><body></body></html>",path);
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}
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void html(int client)
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{
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ctype(client,"text/html; charset=utf-8");
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}
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void text(int client)
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{
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ctype(client,"text/plain; charset=utf-8");
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}
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void json(int client)
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{
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ctype(client,"application/json");
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}
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void textstream(int client)
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{
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ctype(client, "text/event-stream");
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}
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void octstream(int client, char* name)
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{
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set_status(client,200,"OK");
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__t(client,"Content-Type: application/octet-stream");
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__t(client,"Content-Disposition: attachment; filename=\"%s\"", name);
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response(client,"");
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//Content-Disposition: attachment; filename="fname.ext"
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}
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void jpeg(int client)
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{
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ctype(client,"image/jpeg");
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}
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void ctype(int client, const char* type)
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{
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set_status(client,200,"OK");
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__t(client,"Content-Type: %s",type);
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response(client,"");
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}
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int response(int client, const char* data)
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{
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char buf[BUFFLEN+3];
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strcpy(buf, data);
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int nbytes;
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int size = strlen(data);
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buf[size] = '\r';
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buf[size+1] = '\n';
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buf[size+2] = '\0';
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nbytes = send(client, buf, strlen(buf), 0);
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return (nbytes ==-1?0:1);
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}
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int __ti(int client,int data)
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{
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char str[15];
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sprintf(str, "%d", data);
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return response(client,str);
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}
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int __t(int client, const char* fstring,...)
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{
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int nbytes;
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int dlen;
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int sent = 0;
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int buflen = 0;
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va_list arguments;
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char * data;
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char* chunk;
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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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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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if(dlen < BUFFLEN)
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return response(client,data);
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else
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{
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while(sent < dlen - 1)
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{
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if(dlen - sent > BUFFLEN)
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buflen = BUFFLEN;
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else
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buflen = dlen - sent - 1;
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//LOG("BUFFLEN %d\n",buflen);
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chunk = (char*) malloc((buflen)*sizeof(char));
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memcpy(chunk,data+sent,buflen);
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//chunk[buflen-1] = '\0';
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//response(client,chunk);
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sent += buflen;
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nbytes = send(client, chunk, buflen, 0);
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free(chunk);
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if(nbytes == -1) return 0;
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}
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chunk = "\r\n";
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send(client, chunk, strlen(chunk), 0);
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}
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free(data);
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}
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return 1;
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//
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}
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int __b(int client, const unsigned char* data, int size)
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{
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char buf[BUFFLEN];
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int sent = 0;
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int buflen = 0;
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int nbytes;
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if(size <= BUFFLEN)
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{
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nbytes = send(client,data,size,0);
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return (nbytes==-1?0:1);
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}
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else
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{
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while(sent < size)
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{
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if(size - sent > BUFFLEN)
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buflen = BUFFLEN;
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else
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buflen = size - sent;
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memcpy(buf,data+sent,buflen);
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nbytes = send(client,buf,buflen,0);
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sent += buflen;
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if(nbytes == -1) return 0;
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}
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}
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return 1;
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}
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int __fb(int client, const char* file)
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{
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printf("Open file %s\n",file );
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unsigned char buffer[BUFFLEN];
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FILE *ptr;
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ptr = fopen(file,"rb");
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if(!ptr)
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{
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LOG("Cannot read : %s\n", file);
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return 0;
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}
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size_t size;
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while(!feof(ptr))
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{
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size = fread(buffer,1,BUFFLEN,ptr);
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if(!__b(client,buffer,size)) return 0;
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}
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fclose(ptr);
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return 1;
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}
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int __f(int client, const char* file)
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{
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unsigned char buf[BUFFLEN];
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FILE *ptr;
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int nbytes;
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ptr = fopen(file,"r");
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if(!ptr)
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{
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LOG("Cannot read : %s\n", file);
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return 0;
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}
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;
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while(fgets(buf, sizeof(buf), ptr) != NULL)
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{
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nbytes = send(client, buf, strlen(buf), 0);
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if(nbytes == -1) return 0;
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//LOG("READ : %s\n", buf);
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//fgets(buf, sizeof(buf), ptr);
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}
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fclose(ptr);
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return 1;
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}
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int upload(const char* tmp, const char* path)
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{
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return !rename(tmp, path);
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}
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// __plugin__.name
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void set_cookie(int client,const char* type, dictionary dic, const char* name)
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{
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set_status(client,200,"OK");
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__t(client,"Content-Type: %s",type);
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association assoc;
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for_each_assoc(assoc,dic){
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__t(client,"Set-Cookie: %s=%s; Path=/%s",assoc->key, (char*)assoc->value, name);
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}
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response(client,"");
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}
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void clear_cookie(int client, dictionary dic)
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{
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set_status(client,200,"OK");
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__t(client,"Content-Type: text/html; charset=utf-8");
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association assoc;
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for_each_assoc(assoc,dic){
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__t(client,"Set-Cookie: %s=%s;expires=",assoc->key, (char*)assoc->value, server_time());
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}
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response(client,"");
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}
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void unknow(int client)
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{
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html(client);
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__t(client,"404 API not found");
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}
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int ws_enable(dictionary dic)
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{
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return (dic != NULL && R_INT(dic,"__web_socket__") == 1);
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2017-07-29 23:54:43 +02:00
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}
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/**
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* read the request as a string line format
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* @param sock socket
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* @return a request string
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*/
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char* read_line(int sock)
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{
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char buf[BUFFLEN];
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read_buf(sock,buf,sizeof(buf));
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return strdup(buf);
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}
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/**
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* Read the socket request in to a buffer or size
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* The data is read until the buffer is full or
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* there are a carrier return character
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* @param sock socket
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* @param buf buffer
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* @param size size of buffer
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* @return number of bytes read
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*/
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int read_buf(int sock, char*buf,int size)
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{
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int i = 0;
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char c = '\0';
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int n;
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while ((i < size - 1) && (c != '\n'))
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{
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n = recv(sock, &c, 1, 0);
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if (n > 0)
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{
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buf[i] = c;
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i++;
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}
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else
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c = '\n';
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}
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buf[i] = '\0';
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return i;
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2017-07-29 22:00:34 +02:00
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}
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