[Sommaire] [Imprimer]

   1  <?php
   2      /**************************************************************************\
   3      * eGroupWare - wiki - XML Import & Export                                  *
   4      * http://www.egroupware.org                                                *
   5      * Written and (c) by Ralf Becker <RalfBecker@outdoor-training.de>          *
   6      * --------------------------------------------                             *
   7      *  This program is free software; you can redistribute it and/or modify it *
   8      *  under the terms of the GNU General Public License as published by the   *
   9      *  Free Software Foundation; either version 2 of the License, or (at your  *
  10      *  option) any later version.                                              *
  11      \**************************************************************************/
  12  
  13      /* $Id: class.xmlwiki.inc.php 19336 2005-10-10 14:20:26Z ralfbecker $ */
  14  
  15      if (!function_exists('var2xml'))
  16      {
  17          if (file_exists(EGW_API_INC.'class.xmltool.inc.php'))
  18          {
  19              include_once (EGW_API_INC.'class.xmltool.inc.php');
  20          }
  21          else
  22          {
  23              include_once (EGW_INCLUDE_ROOT.'/etemplate/inc/class.xmltool.inc.php');
  24          }
  25      }
  26  
  27      include_once (EGW_INCLUDE_ROOT.'/wiki/inc/class.bowiki.inc.php');
  28  
  29      class xmlwiki extends bowiki
  30      {
  31          var $public_functions = array(
  32              'export' => True,
  33          );
  34  
  35  		function xmlwiki($wiki_id=0)
  36          {
  37              $this->bowiki($wiki_id);    // call the constructor of the extended class
  38          }
  39  
  40  		function export($name='',$lang='',$modified=0)
  41          {
  42              if (!$name) $name = $_GET['page'];
  43              if (!$lang) $lang = $_GET['lang'];
  44              if (!is_array($lang))
  45              {
  46                  $lang = $lang ? explode(',',$lang) : False;
  47              }
  48              if (!$modified) $modified = (int) $_GET['modified'];
  49  
  50              header('Content-Type: text/xml; charset=utf-8');
  51  
  52              $xml_doc =& new xmldoc();
  53              $xml_doc->add_comment('$'.'Id$');    // to be able to comit the file
  54              $xml_doc->add_comment("eGroupWare wiki-pages matching '$name%'".
  55                  ($lang ? " and lang in(".implode(',',$lang).')':'').
  56                  ($modified ? " modified since ".date('Y-m-d H:m:i',$modified):'').
  57                  ", exported ".date('Y-m-d H:m:i',$exported=time())." from $_SERVER[HTTP_HOST]");
  58  
  59              $xml_wiki =& new xmlnode('wiki');
  60  
  61              foreach($this->find($name.'%','wiki_name') as $page)
  62              {
  63                  if ($lang && !in_array($page['lang'],$lang)) 
  64                  {
  65                      //echo "continue as page[lang]=$page[lang] not in ".print_r($lang,True)."<br>\n";
  66                      continue;    // wrong language or not modified since $modified
  67                  }
  68                  $page = $this->page($page);    // read the complete page
  69                  $page->read();
  70                  $page = $page->as_array();
  71                  unset($page['wiki_id']);        // we dont export the wiki-id
  72  
  73                  if ($modified && $modified > $page['time']) 
  74                  {
  75                      //echo "continue as page[time]=$page[time] < $modified<br>\n";
  76                      continue;    // not modified since $modified
  77                  }
  78  
  79                  $page = $GLOBALS['egw']->translation->convert($page,$GLOBALS['egw']->translation->charset(),'utf-8');
  80  
  81                  $xml_page =& new xmlnode('page');
  82                  foreach($page as $attr => $val)
  83                  {
  84                      if ($attr != 'text')
  85                      {
  86                          $xml_page->set_attribute($attr,$val);
  87                      }
  88                      else
  89                      {
  90                          $xml_page->set_value($val);
  91                      }
  92                  }
  93                  $xml_wiki->add_node($xml_page);
  94              }
  95              $xml_wiki->set_attribute('exported',$exported);
  96              if ($lang)
  97              {
  98                  $xml_wiki->set_attribute('languages',implode(',',$lang));
  99              }
 100              if ($name)
 101              {
 102                  $xml_wiki->set_attribute('matching',$name.'%');
 103              }
 104              if ($modified)
 105              {
 106                  $xml_wiki->set_attribute('modified',$modified);
 107              }
 108              $xml_doc->add_root($xml_wiki);
 109              $xml = $xml_doc->export_xml();
 110  
 111              //if ($this->debug)
 112              {
 113                  //echo "<pre>\n" . htmlentities($xml) . "\n</pre>\n";
 114                  echo $xml;
 115              }
 116              return $xml;
 117          }
 118  
 119  		function import($url,$debug_messages=False)
 120          {
 121              if (substr($url,0,4) == 'http')
 122              {
 123                  // use our network class, as it deals with proxies and the proxy-config in admin->configuration
 124                  $network =& CreateObject('phpgwapi.network');
 125                  $xmldata = $network->gethttpsocketfile($url);
 126                  $xmldata = strstr(implode('',$xmldata),'<?xml');    // discard everything before the start of the xml-file
 127              }
 128              else
 129              {
 130                  if (function_exists('file_get_contents'))
 131                  {
 132                      $xmldata = file_get_contents($url);
 133                  }
 134                  elseif (($xmldata = file($url)) !== False)
 135                  {
 136                      $xmldata = implode('',$xmldata);
 137                  }
 138              }
 139              //echo '<pre>'.htmlspecialchars($xmldata)."</pre>\n";
 140              if (!$xmldata)
 141              {
 142                  return False;
 143              }
 144              $parser = xml_parser_create();
 145              xml_parser_set_option($parser, XML_OPTION_CASE_FOLDING, 0);
 146              xml_parser_set_option($parser, XML_OPTION_SKIP_WHITE,   0);    // need to be off, else it eats our newlines
 147              xml_parse_into_struct($parser, $xmldata, $vals);
 148              xml_parser_free($parser);
 149  
 150              $imported = array();
 151              foreach($vals as $val)
 152              {
 153                  if ($val['tag'] == 'wiki')    // wiki meta-data: eg. exported=Y-m-d h:m:i or export data
 154                  {
 155                      if ($val['type'] == 'open' || $val['type'] == 'complete')
 156                      {
 157                          $meta = $val['attributes'];
 158                      } 
 159                      continue;
 160                  }
 161                  switch ($val['type'])
 162                  {
 163                      case 'open':
 164                          $wiki_page = $val['attributes'];
 165                          break;
 166                      case 'complete':
 167                          $wiki_page = $val['attributes'];
 168                          // fall through
 169                      case 'cdata':
 170                          $wiki_page['text'] = trim($val['value']);
 171                          $wiki_page = $GLOBALS['egw']->translation->convert($wiki_page,'utf-8');
 172                          if ($this->write($wiki_page,False))
 173                          {
 174                              if ($debug_messages) 
 175                              {
 176                                  echo str_pad("<b>$wiki_page[name]:$wiki_page[lang]: $wiki_page[title]</b><pre>$wiki_page[text]</pre>\n",4096);
 177                              }
 178                              $imported[] = $wiki_page['name'].':'.$wiki_page['lang'];
 179                          }
 180                          break;
 181                      case 'closed':
 182                          break;
 183                  }
 184              }
 185              return array(
 186                  'meta' => $meta,
 187                  'imported' => $imported,
 188              );
 189          }
 190      }