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File: application/libraries/dompdf/dompdf.php

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File: application/libraries/dompdf/dompdf.php
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Description: Example script
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<?php
/**
 * DOMPDF - PHP5 HTML to PDF renderer
 *
 * File: $RCSfile: dompdf.php,v $
 * Created on: 2004-06-22
 *
 * Copyright (c) 2004 - Benj Carson <benjcarson@digitaljunkies.ca>
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2.1 of the License, or (at your option) any later version.
 *
 * This library 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
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public License
 * along with this library in the file LICENSE.LGPL; if not, write to the
 * Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
 * 02111-1307 USA
 *
 * Alternatively, you may distribute this software under the terms of the
 * PHP License, version 3.0 or later. A copy of this license should have
 * been distributed with this file in the file LICENSE.PHP . If this is not
 * the case, you can obtain a copy at http://www.php.net/license/3_0.txt.
 *
 * The latest version of DOMPDF might be available at:
 * http://www.dompdf.com/
 *
 * dompdf.php is a simple script to drive DOMPDF. It can be executed from
 * a browser or from the command line.
 *
 * @link http://www.dompdf.com/
 * @copyright 2004 Benj Carson
 * @author Benj Carson <benjcarson@digitaljunkies.ca>
 * @package dompdf

 */

/* $Id: dompdf.php 301 2010-08-23 21:00:51Z fabien.menager $ */

/**
 * Display command line usage:
 *
 * Usage: ./dompdf.php [options] html_file
 *
 * html_file can be a filename, a url if fopen_wrappers are enabled, or the '-'
 * character to read from standard input.
 *
 * Options:
 * -h Show this message
 * -l list available paper sizes
 * -p size paper size; something like 'letter', 'A4', 'legal', etc. The default is
 * 'letter'
 * -o orientation either 'portrait' or 'landscape'. Default is 'portrait'.
 * -b path set the 'document root' of the html_file. Relative urls (for
 * stylesheets) are resolved using this directory. Default is the
 * directory of html_file.
 * -f file the output filename. Default is the input [html_file].pdf.
 * -v verbose: display html parsing warnings and file not found errors.
 * -d very verbose: display oodles of debugging output: every frame in the
 * tree is printed to stdout.
 * -t comma separated list of debugging types (page-break,reflow,split)
 * -r write the render time to the log file
 *
 *
 */
function dompdf_usage() {
  echo
   
"\nUsage: {$_SERVER["argv"][0]} [options] html_file\n\n".
   
"html_file can be a filename, a url if fopen_wrappers are enabled, or the '-' \n".
   
"character to read from standard input.\n\n".
   
"Options:\n".
   
" -h\t\tShow this message\n".
   
" -l\t\tlist available paper sizes\n".
   
" -p size\tpaper size; something like 'letter', 'A4', 'legal', etc. The default is\n".
   
" \t\t'" . DOMPDF_DEFAULT_PAPER_SIZE . "'\n".
   
" -o orientation\teither 'portrait' or 'landscape'. Default is 'portrait'.\n".
   
" -b path\tset the 'document root' of the html_file. Relative urls (for \n".
   
" \tstylesheets) are resolved using this directory. Default is the \n".
   
" \tdirectory of html_file.\n".
   
" -f file\tthe output filename. Default is the input [html_file].pdf.\n".
   
" -v \tverbose: display html parsing warnings and file not found errors.\n".
   
" -d \tvery verbose: display oodles of debugging output: every frame\n".
   
" \tin the tree printed to stdout.\n".
   
" -t comma separated list of debugging types (page-break,reflow,split)\n\n";
}

function
getoptions() {

 
$opts = array();

  if (
$_SERVER["argc"] == 1 )
    return
$opts;

 
$i = 1;
  while (
$i < $_SERVER["argc"]) {

    switch (
$_SERVER["argv"][$i]) {

    case
"--help":
    case
"-h":
     
$opts["h"] = true;
     
$i++;
      break;

    case
"-l":
     
$opts["l"] = true;
     
$i++;
      break;

    case
"-p":
      if ( !isset(
$_SERVER["argv"][$i+1]) )
        die(
"-p switch requires a size parameter\n");
     
$opts["p"] = $_SERVER["argv"][$i+1];
     
$i += 2;
      break;

    case
"-o":
      if ( !isset(
$_SERVER["argv"][$i+1]) )
        die(
"-o switch requires an orientation parameter\n");
     
$opts["o"] = $_SERVER["argv"][$i+1];
     
$i += 2;
      break;

    case
"-b":
      if ( !isset(
$_SERVER["argv"][$i+1]) )
        die(
"-b switch requires a path parameter\n");
     
$opts["b"] = $_SERVER["argv"][$i+1];
     
$i += 2;
      break;

    case
"-f":
      if ( !isset(
$_SERVER["argv"][$i+1]) )
        die(
"-f switch requires a filename parameter\n");
     
$opts["f"] = $_SERVER["argv"][$i+1];
     
$i += 2;
      break;

    case
"-v":
     
$opts["v"] = true;
     
$i++;
      break;

    case
"-d":
     
$opts["d"] = true;
     
$i++;
      break;

    case
"-t":
      if ( !isset(
$_SERVER['argv'][$i + 1]) )
        die(
"-t switch requires a comma separated list of types\n");
     
$opts["t"] = $_SERVER['argv'][$i+1];
     
$i += 2;
      break;

   default:
     
$opts["filename"] = $_SERVER["argv"][$i];
     
$i++;
      break;
    }

  }
  return
$opts;
}

require_once(
"dompdf_config.inc.php");
global
$_dompdf_show_warnings, $_dompdf_debug, $_DOMPDF_DEBUG_TYPES;

$sapi = php_sapi_name();
$options = array();

switch (
$sapi ) {

 case
"cli":

 
$opts = getoptions();

  if ( isset(
$opts["h"]) || (!isset($opts["filename"]) && !isset($opts["l"])) ) {
   
dompdf_usage();
    exit;
  }

  if ( isset(
$opts["l"]) ) {
    echo
"\nUnderstood paper sizes:\n";

    foreach (
array_keys(CPDF_Adapter::$PAPER_SIZES) as $size)
      echo
" " . mb_strtoupper($size) . "\n";
    exit;
  }
 
$file = $opts["filename"];

  if ( isset(
$opts["p"]) )
   
$paper = $opts["p"];
  else
   
$paper = DOMPDF_DEFAULT_PAPER_SIZE;

  if ( isset(
$opts["o"]) )
   
$orientation = $opts["o"];
  else
   
$orientation = "portrait";

  if ( isset(
$opts["b"]) )
   
$base_path = $opts["b"];

  if ( isset(
$opts["f"]) )
   
$outfile = $opts["f"];
  else {
    if (
$file === "-" )
     
$outfile = "dompdf_out.pdf";
    else
     
$outfile = str_ireplace(array(".html", ".htm", ".php"), "", $file) . ".pdf";
  }

  if ( isset(
$opts["v"]) )
   
$_dompdf_show_warnings = true;

  if ( isset(
$opts["d"]) ) {
   
$_dompdf_show_warnings = true;
   
$_dompdf_debug = true;
  }

  if ( isset(
$opts['t']) ) {
   
$arr = split(',',$opts['t']);
   
$types = array();
    foreach (
$arr as $type)
     
$types[ trim($type) ] = 1;
   
$_DOMPDF_DEBUG_TYPES = $types;
  }
 
 
$save_file = true;

  break;

 default:

  if ( isset(
$_GET["input_file"]) )
   
$file = rawurldecode($_GET["input_file"]);
  else
    throw new
DOMPDF_Exception("An input file is required (i.e. input_file _GET variable).");
 
  if ( isset(
$_GET["paper"]) )
   
$paper = rawurldecode($_GET["paper"]);
  else
   
$paper = DOMPDF_DEFAULT_PAPER_SIZE;
 
  if ( isset(
$_GET["orientation"]) )
   
$orientation = rawurldecode($_GET["orientation"]);
  else
   
$orientation = "portrait";
 
  if ( isset(
$_GET["base_path"]) ) {
   
$base_path = rawurldecode($_GET["base_path"]);
   
$file = $base_path . $file; # Set the input file
 
}
 
  if ( isset(
$_GET["options"]) ) {
   
$options = $_GET["options"];
  }
 
 
$file_parts = explode_url($file);
 
/* Check to see if the input file is local and, if so, that the base path falls within that specified by DOMDPF_CHROOT */
 
if(($file_parts['protocol'] == '' || $file_parts['protocol'] === 'file://')) {
   
$file = realpath($file);
    if (
strpos($file, DOMPDF_CHROOT) !== 0) {
      throw new
DOMPDF_Exception("Permission denied on $file.");
    }
  }
 
 
$outfile = "dompdf_out.pdf"; # Don't allow them to set the output file
 
$save_file = false; # Don't save the file
 
 
break;
}

$dompdf = new DOMPDF();

if (
$file === "-" ) {
 
$str = "";
  while ( !
feof(STDIN) )
   
$str .= fread(STDIN, 4096);

 
$dompdf->load_html($str);

} else
 
$dompdf->load_html_file($file);

if ( isset(
$base_path) ) {
 
$dompdf->set_base_path($base_path);
}

$dompdf->set_paper($paper, $orientation);

$dompdf->render();

if (
$_dompdf_show_warnings ) {
  global
$_dompdf_warnings;
  foreach (
$_dompdf_warnings as $msg)
    echo
$msg . "\n";
  echo
$dompdf->get_canvas()->get_cpdf()->messages;
 
flush();
}

if (
$save_file ) {
// if ( !is_writable($outfile) )
// throw new DOMPDF_Exception("'$outfile' is not writable.");
 
if ( strtolower(DOMPDF_PDF_BACKEND) === "gd" )
   
$outfile = str_replace(".pdf", ".png", $outfile);

  list(
$proto, $host, $path, $file) = explode_url($outfile);
  if (
$proto != "" ) // i.e. not file://
   
$outfile = $file; // just save it locally, FIXME? could save it like wget: ./host/basepath/file

 
$outfile = realpath(dirname($outfile)) . DIRECTORY_SEPARATOR . basename($outfile);

  if (
strpos($outfile, DOMPDF_CHROOT) !== 0 )
    throw new
DOMPDF_Exception("Permission denied.");

 
file_put_contents($outfile, $dompdf->output( array("compress" => 0) ));
  exit(
0);
}

if ( !
headers_sent() ) {
 
$dompdf->stream($outfile, $options);
}