<?php
/*
   This code is part of GOsa (https://gosa.gonicus.de)
   Copyright (C) 2003  Cajus Pollmeier

   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 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., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 */

/* Basic setup, remove eventually registered sessions */
@require_once ("../include/php_setup.inc");
@require_once ("functions.inc");
error_reporting (0);
session_start ();

/* Logged in? Simple security check */
if (!isset($_SESSION['ui'])){
  gosa_log ("Error: getfax.php called without session");
  header ("Location: ../index.php");
  exit;
}
$ui= $_SESSION["ui"];

/* User object present? */
if (!isset($_SESSION['fuserfilter'])){
  gosa_log ("Error: getfax.php called without propper session data");
  header ("Location: ../index.php");
  exit;
}

/* Get loaded servers */
foreach (array("FAX_SERVER", "FAX_LOGIN", "FAX_PASSWORD") as $val){
  if (isset ($_SESSION[$val])){
    $$val= $_SESSION[$val];
  }
}

/* Load fax entry */
$config= $_SESSION['config'];
$cfg= $config->data['SERVERS']['FAX'];
$link = mysql_pconnect($cfg['SERVER'], $cfg['LOGIN'], $cfg['PASSWORD'])
                  or die(_("Could not connect to database server!"));

mysql_select_db("gofax") or die(_("Could not select database!"));


/* Permission to view? */
$query = "SELECT id,uid FROM faxlog WHERE id = '".validate(stripcslashes($_GET['id']))."'";
$result = mysql_query($query) or die(_("Database query failed!"));
$line = mysql_fetch_array($result, MYSQL_ASSOC);
if (!preg_match ("/'".$line["uid"]."'/", $_SESSION['fuserfilter'])){
  die ("No permissions to view fax!");
}

$query = "SELECT id,fax_data FROM faxdata WHERE id = '".
         validate(stripcslashes($_GET['id']))."'";
$result = mysql_query($query) or die(_("Database query failed!"));

/* Load pic */
$data = mysql_result ($result, 0, "fax_data");
mysql_close ($link);

if (!isset($_GET['download'])){

  /* display picture */
  header("Content-type: image/png");

  /* Fallback if there's no image magick support in PHP */
  if (!function_exists("imagick_blob2image")){

    /* Write to temporary file and call convert, because TIFF sucks */
    $tmpfname = tempnam ("/tmp", "GOsa");
    $temp= fopen($tmpfname, "w");
    fwrite($temp, $data);
    fclose($temp);

    /* Read data written by convert */
    $output= "";
    $query= "convert -size 420x594 $tmpfname -resize 420x594 +profile \"*\" png:- 2> /dev/null";
    $sh= popen($query, 'r');
    $data= "";
    while (!feof($sh)){
      $data.= fread($sh, 4096);
    }
    pclose($sh);

    unlink($tmpfname);

  } else {

    /* Loading image */
    if(!$handle  =  imagick_blob2image($data))	{
      gosa_log("Can't Load image");
    }

    /* Converting image to PNG */
    if(!imagick_convert($handle,"PNG")) {
      gosa_log("Can't Convert to PNG");
    }

    /* Resizing image to 420x594 and blur */
    if(!imagick_resize($handle,420,594,IMAGICK_FILTER_GAUSSIAN,1)){
      gosa_log("imagick_resize failed");
    }

    /* Creating binary Code for the Image */
    if(!$data = imagick_image2blob($handle)){
      gosa_log("Can't create blob for image");
    }	
  }

} else {

  /* force download dialog */
  header("Content-type: application/tiff\n");
  if (preg_match('/MSIE 5.5/', $HTTP_USER_AGENT) ||
      preg_match('/MSIE 6.0/', $HTTP_USER_AGENT)) {
    header('Content-Disposition: filename="fax.tif"');
  } else {
    header('Content-Disposition: attachment; filename="fax.tif"');
  }
  header("Content-transfer-encoding: binary\n");
  header("Expires: Mon, 26 Jul 1997 05:00:00 GMT");
  header("Last-Modified: ".gmdate("D, d M Y H:i:s")." GMT");
  header("Cache-Control: no-cache");
  header("Pragma: no-cache");
  header("Cache-Control: post-check=0, pre-check=0");

}

/* print the tiff image and close the connection */
echo "$data";

// vim:tabstop=2:expandtab:shiftwidth=2:filetype=php:syntax:ruler:
?>