<?php

// $Header: /cvsroot/twlite/lite/tiki-editpage.php,v 1.2 2004/08/07 00:15:59 damosoft Exp $

// Copyright (c) 2002-2004, Luis Argerich, Garland Foster, Eduardo Polidor, et. al.
// All Rights Reserved. See copyright.txt for details and a complete list of authors.
// Licensed under the GNU LESSER GENERAL PUBLIC LICENSE. See license.txt for details.

// Initialization
require_once ('tiki-setup.php');

include_once ('lib/wiki/wikilib.php');
include_once ('lib/structures/structlib.php');
include_once ('lib/notifications/notificationlib.php');


if ($feature_wiki != 'y') {
	$smarty->assign('msg', tra("This feature is disabled").": feature_wiki");
	$smarty->display("error.tpl");
	die;
}

// Get the page from the request var or default it to HomePage
if(!isset($_REQUEST["page"]) || $_REQUEST["page"] == '') {
	$smarty->assign('msg',tra("No page indicated"));
	$smarty->display("error.tpl");
	die;
} else {
	$page = $_REQUEST["page"];
	$smarty->assign_by_ref('page', $_REQUEST["page"]);
}

$page_ref_id = '';
if (isset($_REQUEST["page_ref_id"])) {
	$page_ref_id = $_REQUEST["page_ref_id"];
}
$smarty->assign('page_ref_id',$page_ref_id);

//Is new page to be inserted into structure?
if (isset($_REQUEST["current_page_id"])) {
	$smarty->assign('current_page_id',$_REQUEST["current_page_id"]);
	if (isset($_REQUEST["add_child"])) {
		$smarty->assign('add_child', "true");
	}
}

function compare_import_versions($a1, $a2) {
	return $a1["version"] - $a2["version"];
}

if (isset($_REQUEST['cancel_edit'])) {
	$page = urlencode($page);
	header("location: tiki-index.php?page=$page");
	die;
}

if (isset($_FILES['userfile1']) && is_uploaded_file($_FILES['userfile1']['tmp_name'])) {
  check_ticket('edit-page');
  require ("lib/webmail/mimeDecode.php");

  $fp = fopen($_FILES['userfile1']['tmp_name'], "rb");
  $data = '';

  while (!feof($fp)) {
    $data .= fread($fp, 8192 * 16);
  }

  fclose ($fp);
  $name = $_FILES['userfile1']['name'];

  $output = mime::decode($data);
  unset ($parts);

  $last_part = '';
  $last_part_ver = 0;
  usort($output['parts'], 'compare_import_versions');

  foreach ($parts as $part) {
    if ($part["version"] > $last_part_ver) {
      $last_part_ver = $part["version"];
      $last_part = $part["body"];
    }

    if (isset($part["pagename"])) {
      $pagename = urldecode($part["pagename"]);

      $version = urldecode($part["version"]);
      $author = urldecode($part["author"]);
      $lastmodified = $part["lastmodified"];

      if (isset($part["description"])) {
        $description = $part["description"];
      } else {
        $description = '';
      }
      $pageLang = isset($part["lang"])? $part["lang"]: "";

      $authorid = urldecode($part["author_id"]);

      if (isset($part["hits"]))
        $hits = urldecode($part["hits"]);
      else
        $hits = 0;

      $ex = substr($part["body"], 0, 25);
      //print(strlen($part["body"]));
      $msg = '';

      if (isset($_REQUEST["save"])) {
        make_clean($description);
        if ($tikilib->page_exists($pagename)) {
		if (feature_multilingual == 'y') {
			$info = $tikilib->get_page_info($pagename);
			if ($info['lang'] != $pageLang) {
				include_once("lib/multilingual/multilinguallib.php");
				 if ($multilinguallib->updatePageLang('wiki page', $info['page_id'], $pageLang, true)){
					$pageLang = $info['lang'];
					$smarty->assign('msg', tra("The language can't be changed as its set of translations has already this language"));
					$smarty->display("error.tpl");
					die;
				}
			}
  		}
          $tikilib->update_page($pagename, $part["body"], tra('page imported'), $author, $authorid, $description, null, $pageLang);
        } else {
          $tikilib->create_page($pagename, $hits, $part["body"], $lastmodified, tra('created from import'), $author, $authorid, $description, $pageLang);
        }
      } else {
        $_REQUEST["edit"] = $last_part;
      }
    }
  }

  if (isset($_REQUEST["save"])) {
    unset ($_REQUEST["save"]);
    if ($page_ref_id) {
      header ("location: tiki-index.php?page_ref_id=$page_ref_id");
    } else {
      header ("location: tiki-index.php?page=$page");
    }
    die;
  }
}

$wiki_up = "img/wiki_up";
if ($tikidomain) {
	$wiki_up.= "/$tikidomain";
}

// Upload pictures here
if (($feature_wiki_pictures_new == 'y') && (isset($tiki_p_upload_picture)) && ($tiki_p_upload_picture == 'y')) {
	if (isset($_FILES['picfile1']) && is_uploaded_file($_FILES['picfile1']['tmp_name'])) {
		$picname = $_FILES['picfile1']['name'];
		move_uploaded_file($_FILES['picfile1']['tmp_name'], "$wiki_up/$picname");
	}
} else if (($feature_wiki_pictures == 'y') && (isset($tiki_p_upload_picture)) && ($tiki_p_upload_picture == 'y')) {
	if (isset($_FILES['picfile1']) && is_uploaded_file($_FILES['picfile1']['tmp_name'])) {
		$picname = $_FILES['picfile1']['name'];
		move_uploaded_file($_FILES['picfile1']['tmp_name'], "$wiki_up/$picname");
		//		$_REQUEST["edit"] = $_REQUEST["edit"] . "{picture file=img/wiki_up/$picname}";
	}
}

// Checks if a "UserPagesomething" can be edited
if ($feature_wiki_userpage == 'y' && $tiki_p_admin != 'y') {
	if(strcasecmp(substr($page,0,strlen($feature_wiki_userpage_prefix)),$feature_wiki_userpage_prefix)==0) {
		$name = substr($page,strlen($feature_wiki_userpage_prefix));
		if(strcasecmp($user,$name)!=0 && $name != '') {
			$smarty->assign('msg',tra("You cannot edit this page because it is a user personal page"));
			$smarty->display("error.tpl");
			die;
		}
	}
}

if ($_REQUEST["page"] == 'SandBox' && $feature_sandbox != 'y') {
	$smarty->assign('msg', tra("The SandBox is disabled"));
	$smarty->display("error.tpl");
	die;
}

if (!isset($_REQUEST["comment"])) {
	$_REQUEST["comment"] = '';
}

include_once ("tiki-pagesetup.php");

// Now check permissions to access this page
if ($page != 'SandBox') {
  if ($tiki_p_edit != 'y') {
    $smarty->assign('msg', tra("Permission denied you cannot edit this page"));

    $smarty->display("error.tpl");
    die;
  }
}

// Get page data
$info = $tikilib->get_page_info($page);
if(isset($info['wiki_cache'])) {
	$wiki_cache = $info['wiki_cache'];
	$smarty->assign('wiki_cache',$wiki_cache);
}

if ($info["flag"] == 'L') {
	$smarty->assign('msg', tra("Cannot edit page because it is locked"));
	$smarty->display("error.tpl");
	die;
}

if ($page != 'SandBox') {
	if ($tiki_p_admin != 'y') {
		if ($userlib->object_has_one_permission($page, 'wiki page')) {
			if (!$userlib->object_has_permission($user, $page, 'wiki page', 'tiki_p_edit') or
				!$userlib->object_has_permission($user, $page, 'wiki page', 'tiki_p_view')) {
				$smarty->assign('msg', tra("Permission denied you cannot edit this page"));
				$smarty->display("error.tpl");
				die;
			}
		} else {
			if ($tiki_p_edit != 'y' or $tiki_p_view != 'y') {
				$smarty->assign('msg', tra("Permission denied you cannot edit this page"));
			        $smarty->display("error.tpl");
			        die;
			}
		}
	}
}

$smarty->assign_by_ref('data', $info);

$smarty->assign('footnote', '');
$smarty->assign('has_footnote', 'n');

if ($feature_wiki_footnotes == 'y') {
	if ($user) {
		$x = $wikilib->get_footnote($user, $page);

		$footnote = $wikilib->get_footnote($user, $page);
		$smarty->assign('footnote', $footnote);

		if ($footnote) {
			$smarty->assign('has_footnote', 'y');
		}

		$smarty->assign('parsed_footnote', $tikilib->parse_data($footnote));

		if (isset($_REQUEST['footnote'])) {
			check_ticket('edit-page');
			$smarty->assign('parsed_footnote', $tikilib->parse_data($_REQUEST['footnote']));

			$smarty->assign('footnote', $_REQUEST['footnote']);
			$smarty->assign('has_footnote', 'y');

			if (empty($_REQUEST['footnote'])) {
				$wikilib->remove_footnote($user, $page);
			} else {
				$wikilib->replace_footnote($user, $page, $_REQUEST['footnote']);
			}
		}
	}
}

if (isset($_REQUEST["templateId"]) && $_REQUEST["templateId"] > 0) {
	$template_data = $tikilib->get_template($_REQUEST["templateId"]);
	$_REQUEST["edit"] = $template_data["content"];
	$_REQUEST["preview"] = 1;
}

if(isset($_REQUEST["edit"])) {
	$edit_data = htmlspecialchars($_REQUEST["edit"]);
} else {
	if (isset($info["data"])) {
		$edit_data = $info["data"];
	} else {
		$edit_data = '';
	}
}

if (isset($wiki_feature_copyrights) && $wiki_feature_copyrights == 'y') {
	if (isset($_REQUEST['copyrightTitle'])) {
		$smarty->assign('copyrightTitle', $_REQUEST["copyrightTitle"]);
	}
	if (isset($_REQUEST['copyrightYear'])) {
		$smarty->assign('copyrightYear', $_REQUEST["copyrightYear"]);
	}
	if (isset($_REQUEST['copyrightAuthors'])) {
		$smarty->assign('copyrightAuthors', $_REQUEST["copyrightAuthors"]);
	}
}

$smarty->assign('commentdata', '');

if (isset($_REQUEST["comment"])) {
	$smarty->assign_by_ref('commentdata', $_REQUEST["comment"]);
}

if (isset($info["description"])) {
	$smarty->assign('description', $info["description"]);
	$description = $info["description"];
} else {
	$smarty->assign('description', '');
	$description = '';
}

if(isset($_REQUEST["description"])) {
	$smarty->assign_by_ref('description',$_REQUEST["description"]);
	$description = $_REQUEST["description"];
}

if (isset($_REQUEST["lang"])) {
	if ($feature_multilingual == 'y' && isset($info["lang"]) && $info['lang'] != $_REQUEST["lang"]) {
		include_once("lib/multilingual/multilinguallib.php");
		if ($multilinguallib->updatePageLang('wiki page', $info['page_id'], $_REQUEST["lang"], true)) {
			$pageLang = $info['lang'];
			$smarty->assign('msg', tra("The language can't be changed as its set of translations has already this language"));
			$smarty->display("error.tpl");
			die;
	  	}
	}
	$pageLang = $_REQUEST["lang"];
} elseif (isset($info["lang"])) {
	$pageLang = $info["lang"];
} else {
	$pageLang = "";
}

$smarty->assign('lang', $pageLang);

$smarty->assign_by_ref('pagedata',htmldecode($edit_data));

// apply the optional post edit filters before preview
$parsed = $tikilib->apply_postedit_handlers($edit_data);
$parsed = $tikilib->parse_data($parsed);

/* SPELLCHECKING INITIAL ATTEMPT */
//This nice function does all the job!
if ($wiki_spellcheck == 'y') {
	if (isset($_REQUEST["spellcheck"]) && $_REQUEST["spellcheck"] == 'on') {
		$parsed = $tikilib->spellcheckreplace($edit_data, $parsed, $language, 'editwiki');
		$smarty->assign('spellcheck', 'y');
	} else {
		$smarty->assign('spellcheck', 'n');
	}
}

$smarty->assign_by_ref('parsed', $parsed);

$smarty->assign('preview',0);
// If we are in preview mode then preview it!
if(isset($_REQUEST["preview"])) {
	$smarty->assign('preview',1);
}

function htmldecode($string) {
	$string = strtr($string, array_flip(get_html_translation_table(HTML_ENTITIES)));
	$string = preg_replace("/&#([0-9]+);/me", "chr('\\1')", $string);
	return $string;
}

// Check if the page has changed
if (isset($_REQUEST["save"])) {
  check_ticket('edit-page');
  // Check if all Request values are delivered, and if not, set them
  // to avoid error messages. This can happen if some features are
  // disabled
  if(!isset($_REQUEST["description"])) $_REQUEST["description"]='';
  if(!isset($_REQUEST["comment"])) $_REQUEST["comment"]='';
  if(!isset($_REQUEST["lang"])) $_REQUEST["lang"]='';

  if(isset($_REQUEST['wiki_cache'])) {
    $wikilib->set_page_cache($_REQUEST['page'],$_REQUEST['wiki_cache']);
  }
  $cat_type='wiki page';
  $cat_objid = $_REQUEST["page"];
  $cat_desc = ($feature_wiki_description == 'y') ? substr($_REQUEST["description"],0,200) : '';
  $cat_name = $_REQUEST["page"];
  $cat_href="tiki-index.php?page=".$cat_objid;
  include_once("categorize.php");

  if ((($feature_wiki_description == 'y')
    && (md5($info["description"]) != md5($_REQUEST["description"])))
    || (md5($info["data"]) != md5($_REQUEST["edit"])) || $info["lang"] != $_REQUEST["lang"]) {

    $page = $_REQUEST["page"];

    $edit = htmlspecialchars($_REQUEST['edit']);

    // add permisions here otherwise return error!
    if(isset($wiki_feature_copyrights) && $wiki_feature_copyrights == 'y'
      && isset($_REQUEST['copyrightTitle'])
      && isset($_REQUEST['copyrightYear'])
      && isset($_REQUEST['copyrightAuthors'])
      && !empty($_REQUEST['copyrightYear'])
      && !empty($_REQUEST['copyrightTitle'])
    ) {
      include_once("lib/copyrights/copyrightslib.php");
      $copyrightslib = new CopyrightsLib($dbTiki);
      $copyrightYear = $_REQUEST['copyrightYear'];
      $copyrightTitle = $_REQUEST['copyrightTitle'];
      $copyrightAuthors = $_REQUEST['copyrightAuthors'];
      $copyrightslib->add_copyright($page,$copyrightTitle,$copyrightYear,$copyrightAuthors,$user);
    }

    // apply the optional page edit filters before data storage
    $edit = $tikilib->apply_postedit_handlers($edit);

    // If page exists
    if(!$tikilib->page_exists($_REQUEST["page"])) {
      // Extract links and update the page

      $links = $tikilib->get_links($_REQUEST["edit"]);
      /*
      $notcachedlinks = $tikilib->get_links_nocache($_REQUEST["edit"]);
      $cachedlinks = array_diff($links, $notcachedlinks);
      $tikilib->cache_links($cachedlinks);
      */
      $t = date("U");
      $tikilib->create_page($_REQUEST["page"], 0, $edit, $t, $_REQUEST["comment"],$user,$_SERVER["REMOTE_ADDR"],$description, $pageLang);
      if ($wiki_watch_author == 'y') {
        $tikilib->add_user_watch($user,"wiki_page_changed",$_REQUEST["page"],tra('Wiki page'),$page,"tiki-index.php?page=$page");
      }
    } else {
      $links = $tikilib->get_links($edit);
      /*
      $tikilib->cache_links($links);
      */
      if(isset($_REQUEST['isminor'])&&$_REQUEST['isminor']=='on') {
        $minor=true;
      } else {
        $minor=false;
      }
      $tikilib->update_page($_REQUEST["page"],$edit,$_REQUEST["comment"],$user,$_SERVER["REMOTE_ADDR"],$description,$minor,$pageLang);
    }
    //Page may have been inserted from a structure page view
  	if (isset($_REQUEST['current_page_id']) ) {
      $page_info = $structlib->s_get_page_info($_REQUEST['current_page_id']);
      if (isset($_REQUEST["add_child"]) ) { 
  	  	$page_ref_id = $structlib->s_create_page($_REQUEST['current_page_id'], null, $_REQUEST["page"], '');
      }
      else {
	  	  $page_ref_id = $structlib->s_create_page($page_info["parent_id"], $_REQUEST['current_page_id'], $_REQUEST["page"], '');
      }
		  $userlib->copy_object_permissions($page_info["pageName"], $_REQUEST["page"],'wiki page');
  	} 
    $page = urlencode($page);
    if ($page_ref_id) {
      header("location: tiki-index.php?page_ref_id=$page_ref_id");
    } else {
      header("location: tiki-index.php?page=$page");
    }
    die;
  } else {
    $page = urlencode($page);
    if ($page_ref_id) {
      header("location: tiki-index.php?page_ref_id=$page_ref_id");
    } else {
      header("location: tiki-index.php?page=$page");
    }
    die;
  }
}

if ($feature_wiki_templates == 'y' && $tiki_p_use_content_templates == 'y') {
	$templates = $tikilib->list_templates('wiki', 0, -1, 'name_asc', '');
}

$smarty->assign_by_ref('templates', $templates["data"]);

if ($feature_multilingual == 'y') {
	$languages = array();
	$languages = $tikilib->list_languages();
	$smarty->assign_by_ref('languages', $languages);
}

$cat_type = 'wiki page';
$cat_objid = $_REQUEST["page"];
include_once ("categorize_list.php");

$section = 'wiki';
include_once ('tiki-section_options.php');

global $wikilib;
$plugin_files = $wikilib->list_plugins();
$plugins = array();

foreach ($plugin_files as $pfile) {
	$pinfo["file"] = $pfile;

	$pinfo["help"] = $wikilib->get_plugin_description($pfile);
	$pinfo["name"] = strtoupper(str_replace(".php", "", str_replace("wikiplugin_", "", $pfile)));
	$plugins[] = $pinfo;
}

$smarty->assign_by_ref('plugins', $plugins);

if ($structlib->page_is_in_structure($_REQUEST["page"])) {
	$structs = $structlib->get_page_structures($_REQUEST["page"]);
	$smarty->assign('showstructs', $structs);
}

// Flag for 'page bar' that currently 'Edit' mode active
// so no need to show comments & attachments, but need
// to show 'wiki quick help'
$smarty->assign('edit_page', 'y');

// Set variables so the preview page will keep the newly inputted category information
if (isset($_REQUEST['cat_categorize'])) {
	if ($_REQUEST['cat_categorize'] == 'on') {
		$smarty->assign('categ_checked', 'y');
	}
}
include_once("textareasize.php");

include_once ('lib/quicktags/quicktagslib.php');
$quicktags = $quicktagslib->list_quicktags(0,-1,'taglabel_desc','','wiki');
$smarty->assign_by_ref('quicktags', $quicktags["data"]);
$smarty->assign('quicktagscant', $quicktags["cant"]);
$smarty->assign('feature_antibot', "$feature_antibot");
if (!$user or $user == 'anonymous') {
	$smarty->assign('anon_user', 'y');
}

ask_ticket('edit-page');

// Display the Index Template
$smarty->assign('mid', 'tiki-editpage.tpl');
$smarty->assign('show_page_bar', 'y');
$smarty->display("tiki.tpl");

?>