asset.c
2.14 KB
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/**
* \file
*
* \author Georg Hopp
*
* \copyright
* Copyright (C) 2012 Georg Hopp
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include <stdio.h>
#include <sys/stat.h>
#include <fcntl.h>
#include <string.h>
#include <sys/types.h>
#include "class.h"
#include "interface/class.h"
#include "http/response.h"
#include "http/message.h"
#include "http/header.h"
#include "utils/memory.h"
HttpResponse
httpResponseAsset(
const char * fname,
const char * mime,
size_t nmime,
const char * match,
size_t nmatch)
{
struct tm * tmp;
char etag[200];
size_t netag;
char mtime[200];
size_t nmtime;
struct stat st;
HttpResponse response;
HttpMessage message;
int handle;
handle = open(fname, O_RDONLY);
fstat(handle, &st);
tmp = localtime(&(st.st_mtime));
netag = strftime(etag, sizeof(etag), "%s", tmp);
nmtime = strftime(mtime, sizeof(mtime), "%a, %d %b %Y %T %Z", tmp);
if (netag == nmatch && 0 == memcmp(etag, match, netag)) {
return httpResponse304(mime, nmime, etag, netag, mtime, nmtime);
}
response = new(HttpResponse, "HTTP/1.1", 200, "OK");
message = (HttpMessage)response;
message->type = HTTP_MESSAGE_PIPED;
message->handle = handle;
message->nbody = st.st_size;
httpHeaderAdd(&(message->header),
new(HttpHeader, CSTRA("Content-Type"), mime, nmime));
httpHeaderAdd(&(message->header),
new(HttpHeader, CSTRA("ETag"), etag, netag));
httpHeaderAdd(&(message->header),
new(HttpHeader, CSTRA("Last-Modified"), mtime, nmtime));
return response;
}
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