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/**
* ======================== legal notice ======================
*
* File: HTTPFileResponse.cc
* Created: 4. Juli 2012, 07
* Author: <a href="mailto:geronimo013@gmx.de">Geronimo</a>
* Project: libnetworking: classes for tcp/ip sockets and http-protocol handling
*
* CMP - compound media player
*
* is a client/server mediaplayer intended to play any media from any workstation
* without the need to export or mount shares. cmps is an easy to use backend
* with a (ready to use) HTML-interface. Additionally the backend supports
* authentication via HTTP-digest authorization.
* cmpc is a client with vdr-like osd-menues.
*
* Copyright (c) 2012 Reinhard Mantey, some rights reserved!
* published under Creative Commons by-sa
* For details see http://creativecommons.org/licenses/by-sa/3.0/
*
* The cmp project's homepage is at http://projects.vdr-developer.org/projects/cmp
*
* --------------------------------------------------------------
*/
#include <HTTPFileResponse.h>
#include <Logging.h>
#include <util.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <unistd.h>
#include <errno.h>
#include <string.h>
#include <fcntl.h>
cHTTPFileResponse::cHTTPFileResponse(const char *RealPath)
: cHTTPResponse(HTTP_OK)
, realPath(RealPath)
, fd(0)
{
DetermineTypeAndSize(realPath);
}
cHTTPFileResponse::cHTTPFileResponse()
: cHTTPResponse(HTTP_OK)
, realPath(NULL)
, fd(0)
{
}
cHTTPFileResponse::~cHTTPFileResponse()
{
}
void cHTTPFileResponse::DetermineTypeAndSize(const char* Path)
{
struct stat st;
const char *xt;
if (!Path) return;
if (stat(Path, &st) < 0) {
esyslog("invalid path given - %d", errno);
return;
}
SetContentSize(st.st_size);
xt = strrchr(Path, '.');
if (!xt) SetContentType(MT_Unknown);
++xt;
// File response serves only simple files, like tiny webservers
if (!strcasecmp("html", xt)) SetContentType(MT_Html);
else if (!strcasecmp("css", xt)) SetContentType(MT_CSS);
else if (!strcasecmp("js", xt)) SetContentType(MT_JavaScript);
else if (!strcasecmp("ico", xt)) SetContentType(MT_Ico);
else if (!strcasecmp("gif", xt)) SetContentType(MT_Gif);
else if (!strcasecmp("png", xt)) SetContentType(MT_Png);
else if (!strcasecmp("jpg", xt)) SetContentType(MT_Jpg);
else if (!strcasecmp("jpeg", xt)) SetContentType(MT_Jpg);
else if (!strcasecmp("dtd", xt)) SetContentType(MT_XmlDtd);
else if (!strcasecmp("xml", xt)) SetContentType(MT_Xml);
}
size_t cHTTPFileResponse::ReadContentChunk(char* Buf, size_t bufSize)
{
long rv = 0;
if (fd < 1) {
fd = open(RealPath(), O_RDONLY | O_LARGEFILE);
if (fd < 1) {
esyslog("could not open requested path %s - Error #%d", RealPath(), errno);
return 0;
}
}
isyslog("have filehandle #%d (%s)", fd, RealPath());
if ((rv = read(fd, Buf, bufSize)) < 0)
esyslog("ERROR: failed to read from file %s #%d", RealPath(), errno);
else
isyslog("read %u bytes from file", rv);
if (rv < (long) bufSize) { // most probabely end of file
close(fd);
}
return rv;
}
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