ushare-/appl/presentation.cpp

217 lines
7.3 KiB
C++

/*
* presentation.c : GeeXboX uShare UPnP Presentation Page.
* Originally developped for the GeeXboX project.
* Copyright (C) 2005-2007 Benjamin Zores <ben@geexbox.org>
*
* 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 2 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 Library General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation,
* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
#include <stdlib.h>
#if HAVE_LANGINFO_CODESET
# include <langinfo.h>
#endif
#include <string.h>
#include <stdio.h>
#include "config.h"
#include "metadata.h"
#include "content.h"
#include "buffer.h"
#include "presentation.h"
#include "gettext.h"
#include "util_iconv.h"
#define CGI_ACTION "action="
#define CGI_ACTION_ADD "add"
#define CGI_ACTION_DEL "del"
#define CGI_ACTION_REFRESH "refresh"
#define CGI_PATH "path"
#define CGI_SHARE "share"
int
process_cgi (struct ushare_t *ut, char *cgiargs)
{
char *action = NULL;
int refresh = 0;
if (!ut || !cgiargs)
return -1;
if (strncmp (cgiargs, CGI_ACTION, strlen (CGI_ACTION)))
return -1;
action = cgiargs + strlen (CGI_ACTION);
if (!strncmp (action, CGI_ACTION_ADD, strlen (CGI_ACTION_ADD)))
{
char *path = NULL;
path = action + strlen (CGI_ACTION_ADD) + 1;
if (path && !strncmp (path, CGI_PATH"=", strlen (CGI_PATH) + 1))
{
ut->contentlist = content_add (ut->contentlist,
path + strlen (CGI_PATH) + 1);
refresh = 1;
}
}
else if (!strncmp (action, CGI_ACTION_DEL, strlen (CGI_ACTION_DEL)))
{
char *shares,*share;
char *m_buffer = NULL, *buffer;
int num, shift=0;
shares = strdup (action + strlen (CGI_ACTION_DEL) + 1);
m_buffer = (char*) malloc (strlen (shares) * sizeof (char));
if (m_buffer)
{
buffer = m_buffer;
for (share = strtok_r (shares, "&", &buffer) ; share ;
share = strtok_r (NULL, "&", &buffer))
{
if (sscanf (share, CGI_SHARE"[%d]=on", &num) < 0)
continue;
ut->contentlist = content_del (ut->contentlist, num - shift++);
}
free (m_buffer);
}
refresh = 1;
free (shares);
}
else if (!strncmp (action, CGI_ACTION_REFRESH, strlen (CGI_ACTION_REFRESH)))
refresh = 1;
if (refresh && ut->contentlist)
{
free_metadata_list (ut);
build_metadata_list (ut);
}
if (ut->presentation)
buffer_free (ut->presentation);
ut->presentation = buffer_new ();
buffer_append (ut->presentation, "<html>");
buffer_append (ut->presentation, "<head>");
buffer_appendf (ut->presentation, "<title>%s</title>",
_("uShare Information Page"));
buffer_append (ut->presentation,
"<meta http-equiv=\"pragma\" content=\"no-cache\"/>");
buffer_append (ut->presentation,
"<meta http-equiv=\"expires\" content=\"1970-01-01\"/>");
buffer_append (ut->presentation,
"<meta http-equiv=\"refresh\" content=\"0; URL=/web/ushare.html\"/>");
buffer_append (ut->presentation, "</head>");
buffer_append (ut->presentation, "</html>");
return 0;
}
int
build_presentation_page (struct ushare_t *ut)
{
int i;
char *mycodeset = NULL;
if (!ut)
return -1;
if (ut->presentation)
buffer_free (ut->presentation);
ut->presentation = buffer_new ();
#if HAVE_LANGINFO_CODESET
mycodeset = nl_langinfo (CODESET);
#endif
if (!mycodeset)
mycodeset = UTF8;
buffer_append (ut->presentation, "<html>");
buffer_append (ut->presentation, "<head>");
buffer_appendf (ut->presentation, "<title>%s</title>",
_("uShare Information Page"));
buffer_appendf (ut->presentation,
"<meta http-equiv=\"Content-Type\" content=\"text/html; charset=%s\"/>",
mycodeset);
buffer_append (ut->presentation,
"<meta http-equiv=\"pragma\" content=\"no-cache\"/>");
buffer_append (ut->presentation,
"<meta http-equiv=\"expires\" content=\"1970-01-01\"/>");
buffer_append (ut->presentation, "</head>");
buffer_append (ut->presentation, "<body>");
buffer_append (ut->presentation, "<h1 align=\"center\">");
buffer_appendf (ut->presentation, "<tt>%s</tt><br/>",
_("uShare UPnP A/V Media Server"));
buffer_append (ut->presentation, _("Information Page"));
buffer_append (ut->presentation, "</h1>");
buffer_append (ut->presentation, "<br/>");
buffer_append (ut->presentation, "<center>");
buffer_append (ut->presentation, "<tr width=\"500\">");
buffer_appendf (ut->presentation, "<b>%s :</b> %s<br/>",
_("Version"), VERSION);
buffer_append (ut->presentation, "</tr>");
buffer_appendf (ut->presentation, "<b>%s :</b> %s<br/>",
_("Device UDN"), ut->udn);
buffer_appendf (ut->presentation, "<b>%s :</b> %d<br/>",
_("Number of shared files and directories"), ut->nr_entries);
buffer_append (ut->presentation, "</center><br/>");
buffer_appendf (ut->presentation,
"<form method=\"get\" action=\"%s\">", USHARE_CGI);
buffer_appendf (ut->presentation,
"<input type=\"hidden\" name=\"action\" value=\"%s\"/>",
CGI_ACTION_DEL);
for (i = 0 ; i < ut->contentlist->count ; i++)
{
buffer_appendf (ut->presentation, "<b>%s #%d :</b>", _("Share"), i + 1);
buffer_appendf (ut->presentation,
"<input type=\"checkbox\" name=\""CGI_SHARE"[%d]\"/>", i);
buffer_appendf (ut->presentation, "%s<br/>", ut->contentlist->content[i]);
}
buffer_appendf (ut->presentation,
"<input type=\"submit\" value=\"%s\"/>", _("unShare!"));
buffer_append (ut->presentation, "</form>");
buffer_append (ut->presentation, "<br/>");
buffer_appendf (ut->presentation,
"<form method=\"get\" action=\"%s\">", USHARE_CGI);
buffer_append (ut->presentation, _("Add a new share : "));
buffer_appendf (ut->presentation,
"<input type=\"hidden\" name=\"action\" value=\"%s\"/>",
CGI_ACTION_ADD);
buffer_append (ut->presentation, "<input type=\"text\" name=\""CGI_PATH"\"/>");
buffer_appendf (ut->presentation,
"<input type=\"submit\" value=\"%s\"/>", _("Share!"));
buffer_append (ut->presentation, "</form>");
buffer_append (ut->presentation, "<br/>");
buffer_appendf (ut->presentation,
"<form method=\"get\" action=\"%s\">", USHARE_CGI);
buffer_appendf (ut->presentation,
"<input type=\"hidden\" name=\"action\" value=\"%s\"/>",
CGI_ACTION_REFRESH);
buffer_appendf (ut->presentation, "<input type=\"submit\" value=\"%s\"/>",
_("Refresh Shares ..."));
buffer_append (ut->presentation, "</form>");
buffer_append (ut->presentation, "</center>");
buffer_append (ut->presentation, "</body>");
buffer_append (ut->presentation, "</html>");
return 0;
}