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admin.php
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<?php
/**
* Plugin : Pagemove
* Version : 0.10 (2010-06-17)
*
* @license GPL 2 (http://www.gnu.org/licenses/gpl.html)
* @author Gary Owen,
*/
// must be run within Dokuwiki
if (!defined('DOKU_INC')) die();
if (!defined('DOKU_LF')) define('DOKU_LF', "\n");
if (!defined('DOKU_TAB')) define('DOKU_TAB', "\t");
if (!defined('DOKU_PLUGIN')) define('DOKU_PLUGIN',DOKU_INC.'lib/plugins/');
require_once DOKU_PLUGIN.'admin.php';
require_once(DOKU_INC.'inc/search.php');
class admin_plugin_pagemove extends DokuWiki_Admin_Plugin {
var $show_form = true;
var $have_rights = true;
var $locked_files = array();
var $errors = array();
var $opts = array();
var $text = '';
var $idsToDelete = array();
function getMenuSort() { return FIXME; }
function forAdminOnly() { return false; }
/**
* function constructor
*/
function admin_plugin_pagemove(){
// enable direct access to language strings
$this->setupLocale();
}
/**
* return some info
*/
function getInfo(){
return array(
'author' => 'Gary Owen, Arno Puschmann, Christoph Jähnigen',
'email' => '[email protected]',
'date' => '2011-08-11',
'name' => 'Pagemove',
'desc' => $this->lang['desc'],
'url' => 'http://www.dokuwiki.org/plugin:pagemove',
);
}
/**
* Only show the menu text for pages we can move or rename.
*/
function getMenuText() {
global $INFO;
global $ID;
global $conf;
if( !$INFO['exists'] )
return $this->lang['menu'].' ('.$this->lang['pm_notexist'].')';
elseif( $ID == $conf['start'] )
return $this->lang['menu'].' ('.$this->lang['pm_notstart'].')';
elseif( !$INFO['writable'] )
return $this->lang['menu'].' ('.$this->lang['pm_notwrite'].')';
else
return $this->lang['menu'];
}
/**
* output appropriate html
*
* @author Gary Owen <[email protected]>
*/
function html() {
global $lang;
ptln('<!-- Pagemove Plugin start -->');
if( $this->show_form ) {
ptln( $this->locale_xhtml('pagemove') );
//We didn't get here from submit.
if( $this->have_rights && count($this->locked_files) == 0 ) {
$this->_pm_form();
}
else {
ptln( '<p><strong>' );
if ( !$this->have_rights ) {
ptln( $this->errors[0].'<br>' );
}
$c = count($this->locked_files);
if ( $c == 1 ) {
ptln( $this->lang['pm_filelocked'].$this->locked_files[0].'<br>'.$this->lang['pm_tryagain'] );
}
elseif ( $c > 1 ) {
ptln( $this->lang['pm_fileslocked'] );
for ( $i = 0 ; $i < $c ; $i++ ) {
ptln ( ($i > 0 ? ', ' : '').$this->locked_files[$i] );
}
ptln( '<br>'.$this->lang['pm_tryagain'] );
}
ptln ( '</strong></p>' );
}
}
else {
// display the moved/renamed page
ptln( $this->render($this->text) );
}
ptln('<!-- Pagemove Plugin end -->');
}
/**
* show the move and/or rename a page form
*
* @author Gary Owen <[email protected]>
*/
function _pm_form() {
global $ID;
global $lang;
global $conf;
$ns = getNS($ID);
$name = noNS($ID);
ptln(' <div align="center">');
ptln(' <script language="Javascript">');
ptln(' function setradio( group, choice ) {');
ptln(' for ( i = 0 ; i < group.length ; i++ ) {');
ptln(' if ( group[i].value == choice )');
ptln(' group[i].checked = true;');
ptln(' }');
ptln(' }');
ptln(' </script>');
ptln(' <form name="frm" action="'.wl($ID).'" method="post">');
// output hidden values to ensure dokuwiki will return back to this plugin
ptln(' <input type="hidden" name="do" value="admin" />');
ptln(' <input type="hidden" name="page" value="'.$this->getPluginName().'" />');
ptln(' <input type="hidden" name="id" value="'.$ID.'" />');
ptln(' <fieldset id="fieldset_page">');
ptln(' <legend><input type="radio" name="page_ns" id="page_ns_0" value="page" CHECKED> '. $this->lang['pm_movepage'] .'</legend>');
ptln(' <table border="0" id="table_page">');
//Show any errors
if (count($this->errors) > 0) {
ptln ('<tr><td bgcolor="red" colspan="3">');
foreach($this->errors as $error) {
ptln ($error.'<br>');
}
ptln ('</td></tr>');
}
//create a list of namespaces
ptln( ' <tr><td align="right" nowrap><label><span>'.$this->lang['pm_targetns'].'</span></label></td>');
ptln( ' <td width="25"><input type="radio" name="nsr" id="nsr_0" value="<old>" '.($_REQUEST['nsr'] != '<new>' ? 'CHECKED' : '').'></td>');
ptln( ' <td><select name="ns_for_page" id="nsr_select" onChange="setradio(document.frm.nsr, \'<old>\');setradio(document.frm.page_ns, \'page\');">');
$this->_pm_form_create_list_ns($ns);
ptln( " </select></td>\n </tr><tr>");
ptln( ' <td align="right" nowrap><label><span>'.$this->lang['pm_newtargetns'].'</span></label></td>');
ptln( ' <td width="25"><input type="radio" name="nsr" id="nsr_1" value="<new>" '.($_REQUEST['nsr'] == '<new>' ? 'CHECKED' : '').'></td>');
ptln( ' <td align="left" nowrap><input type="text" name="newns" id="newns" value="'.formtext($this->opts['newns']).'" class="edit" onClick="setradio(document.frm.nsr, \'<new>\');setradio(document.frm.page_ns, \'page\');" /></td>');
ptln( ' </tr>');
ptln( ' <tr>');
ptln( ' <td align="right" nowrap><label><span>'.$this->lang['pm_newname'].'</span></label></td>');
ptln(' <td width="25"></td>'); //<input type="radio" name="pageradio" value="<page>" '.($_REQUEST['pageradio']!= '<namespace>' ? 'CHECKED' : '').'>
ptln( ' <td align="left" nowrap><input type="text" name="pagename" id="pagename" value="'.formtext(isset($this->opts['newname']) ? $this->opts['newname'] : $name).'" class="edit" onClick="setradio(document.frm.page_ns, \'page\');" /></td>');
ptln( ' </tr>');
ptln( ' </tr>');
ptln( ' </tr>');
ptln( ' </table>');
ptln( ' </fieldset>');
ptln(' <br>');
ptln(' <fieldset id="fieldset_ns" >');
ptln(' <legend><input type="radio" name="page_ns" id="page_ns_1" value="ns"> '. $this->lang['pm_movens'] .'</legend>');
ptln(' <table border="0" id="table_ns">');
ptln( ' <tr><td align="right" nowrap><label><span>'.$this->lang['pm_targetns'].'</span></label></td>');
ptln( ' <td><select name="ns" id="ns_select" onChange="setradio(document.frm.page_ns, \'ns\');">');
$this->_pm_form_create_list_ns($ns);
ptln( " </select></td>\n </tr>");
ptln( ' <tr>');
ptln( ' <td align="right" nowrap><label><span>'.$this->lang['pm_newnsname'].'</span></label></td>');
ptln( ' <td align="left" nowrap><input type="text" name="namespacename" id="namespacename" value="'.formtext(isset($this->opts['newnsname']) ? $this->opts['newnsname'] : $this->opts['nsname']).'" class="edit" onClick="setradio(document.frm.page_ns, \'ns\');" /></td>');
ptln( ' </tr>');
ptln( ' </table>');
ptln(' </fieldset>');
ptln( '<br><center><input type="submit" value="'.formtext($this->lang['pm_submit']).'" class="button" /><input type="button" value="'.$this->lang['pm_preview'].'" class="button" onClick="Javascript:preview();"/></center>');
ptln( '</form>');
ptln('<font id="preview_output"></font>');
ptln(' <script language="Javascript">');
ptln(" table_page_width = document.getElementById('table_page').offsetWidth;");
ptln(" table_ns_width = document.getElementById('table_ns').offsetWidth;");
ptln(" max_width = Math.max(table_page_width,table_ns_width)+'px';");
ptln(" document.getElementById('fieldset_page').style.width = max_width;");
ptln(" document.getElementById('fieldset_ns').style.width = max_width;");
ptln("function preview(){");
ptln("if(document.getElementById('page_ns_0').checked == true)");
ptln("{");
ptln(" if(document.getElementById('nsr_0').checked == true)");
ptln(" {");
ptln(" preview_text = \"".$ID . $this->lang['pm_previewpage']. " \" + document.getElementById('nsr_select').value + (document.getElementById('nsr_select').value==':'? '' : ':') + document.getElementById('pagename').value;");
ptln(" }");
ptln(" else");
ptln(" {");
ptln(" preview_text = \"".$ID . $this->lang['pm_previewpage']. " \" + document.getElementById('newns').value + ':' + document.getElementById('pagename').value;");
ptln(" }");
ptln("}");
ptln("else{");
ptln(" preview_text = \"". sprintf($this->lang['pm_previewns'], $ns). " \" + document.getElementById('ns_select').value + (document.getElementById('ns_select').value==':'? '' : ':') + document.getElementById('namespacename').value;");
ptln("}");
ptln("document.getElementById('preview_output').innerHTML = preview_text;");
ptln("");
ptln("}");
ptln(" </script>");
ptln( '</div>');
}
/**
* create a list of namespaces for the html form
*
* @author Gary Owen <[email protected]>
* @author Arno Puschmann (bin out of _pm_form)
*/
function _pm_form_create_list_ns($ns) {
global $conf;
$namesp = array( 0 => '' ); //Include root
search($namesp, $conf['datadir'], 'search_namespaces', array());
sort($namesp);
foreach($namesp as $row) {
if ( auth_quickaclcheck($row['id'].':*') >= AUTH_CREATE || $row['id'] == $ns ) {
ptln ( ' <option value="'.
($row['id'] ? $row['id'] : ':').
($_REQUEST['ns'] ?
(($row['id'] ? $row['id'] : ":") == $_REQUEST['ns'] ? '" SELECTED>' : '">') :
($row['id'] == $ns ? '" SELECTED>' : '">') ).
($row['id'] ? $row['id'].':' : ": ".$this->lang['pm_root']).
($row['id'] == $ns ? ' '.$this->lang['pm_current'] : '').
"</option>" );
}
}
}
/**
* handle user request
*
* @author Gary Owen <[email protected]>
*/
function handle() {
global $conf;
global $lang;
global $ID;
global $INFO;
global $ACT;
// check we have rights to move this document
if( !$INFO['exists'] ) {
$this->have_rights = false;
$this->errors[] = $this->lang['pm_notexist'];
return;
}
// do not move start page
if( $ID == $conf['start'] ) {
$this->have_rights = false;
$this->errors[] = $this->lang['pm_notstart'];
return;
}
// was a form send?
if (! array_key_exists('page_ns', $_REQUEST)) {
// @fixme do something more intelligent like showing in message
return;
}
// extract namespace and document name from ID
$this->opts['ns'] = getNS($ID);
$this->opts['name'] = noNS($ID);
$this->opts['page_ns'] = $_REQUEST['page_ns'];
// check the input for completeness
if( $this->opts['page_ns'] == 'ns' ) {
// @todo Target namespace needn't be new (check pages for overwrite!)
if( $_REQUEST['namespacename'] == '' ) {
$this->errors[] = $this->lang['pm_emptynamespace'];
return;
}
$this->opts['newnsname'] = $_REQUEST['namespacename'];
if ( cleanID($this->opts['newnsname']) == '' ) {
$this->errors[] = $this->lang['pm_badns'];
return;
}
if ($_REQUEST['ns'] == ':') {
$this->opts['newns'] = $this->opts['newnsname'];
}
else {
$this->opts['newns'] = $_REQUEST['ns'].':'.$this->opts['newnsname'];
}
// check the NS if a recursion is needed
// @fixme Is this still needed?
$pagelist = array();
$needrecursion = false;
$nsRelPath = utf8_encodeFN(str_replace(':', '/', $this->opts['ns']));
search($items, $conf['datadir'], 'search_index', '', $nsRelPath);
foreach ($items as $item) {
if ($item['type'] == 'd') {
$needrecursion = true;
break;
}
}
$nsRelPath = utf8_encodeFN(str_replace(':', '/', $this->opts['ns']));
$this->_pm_move_recursive($nsRelPath, $this->opts);
$newNsAbsPath = $conf['datadir'].'/'.str_replace(':', '/', $this->opts['newns']);
$this->_pm_disable_cache($newNsAbsPath);
}
elseif( $this->opts['page_ns'] == 'page' ) {
if( $_REQUEST['pagename'] == '' ) {
$this->errors[] = $this->lang['pm_emptypagename'];
return;
}
$this->opts['newname'] = $_REQUEST['pagename'];
// check that the pagename is valid
if ( cleanID($this->opts['newname']) == '' ) {
$this->errors[] = $this->lang['pm_badname'];
return;
}
if ($_REQUEST['nsr'] == '<old>') {
$this->opts['newns'] = ($_REQUEST['ns_for_page'] == ':' ? '' : $_REQUEST['ns_for_page']);
}
elseif ($_REQUEST['nsr'] =='<new>') {
// if a new namespace was requested, check and use it
if ($_REQUEST['newns'] != '') {
$this->opts['newns'] = $_REQUEST['newns'];
// check that the new namespace is valid
if ( cleanID($this->opts['newns']) == '' ) {
$this->errors[] = $this->lang['pm_badns'];
return;
}
}
else {
$this->errors[] = $this->lang['pm_badns'];
return;
}
}
else {
$this->errors[] = $this->lang['pm_fatal'];
return;
}
$this->_pm_move_page($this->opts);
// @todo if the namespace is now empty, delete it
// Set things up to display the new page.
io_saveFile($conf['cachedir'].'/purgefile', time());
$ID = $opts['new_id'];
$ACT = 'show';
$INFO = pageinfo();
$this->show_form = false;
}
else {
$this->errors[] = $this->lang['pm_fatal'];
return;
}
// only go on if no errors occured and inputs are not empty
if (count($this->errors) != 0 ) {
return;
}
// delete empty namespaces if possible
// @fixme does not work like that
foreach ($this->idsToDelete as $idToDelete) {
io_sweepNS($idToDelete);
}
}
/**
* touch every file which was moved, because of cached backlinks inside of moved namespace
*
* @author Arno Puschmann 2010-01-29
* @param $pathToSearch
* @return unknown_type
*/
function _pm_disable_cache($pathToSearch) {
$files = scandir($pathToSearch);
if( !empty($files) ) {
foreach($files as $file) {
if( $file == '.' || $file == '..' ) continue;
if( is_dir($pathToSearch.'/'.$file) ) {
$this->_pm_disable_cache($pathToSearch.'/'.$file);
}
else {
if( preg_match('#\.txt$#', $file) ) {
touch($pathToSearch.'/'.$file, time()+1);
}
}
}
}
}
/**
*
* @author Bastian Wolf
* @param $pathToSearch
* @param $opts
* @return unknown_type
*/
function _pm_move_recursive($pathToSearch, $opts) {
global $ID;
global $conf;
$pagelist = array();
search($pagelist, $conf['datadir'], 'search_index', '', $pathToSearch);
foreach ($pagelist as $page) {
if ($page['type'] == 'd') {
$pathToSearch = utf8_encodeFN(str_replace(':', '/', $page['id']));
// @fixme shouldn't be necessary as ID already exists
io_createNamespace($page['id']);
// NS to move is this one
$nsOpts = $opts;
$nsOpts['ns'] = $page['id'];
// target NS is this folder under the current target NS
$thisFolder = end(explode(':', $page['id']));
$nsOpts['newns'] .= ':'.$thisFolder;
array_push($this->idsToDelete, $page['id']);
// Recursion
$this->_pm_move_recursive($pathToSearch, $nsOpts);
}
elseif ($page['type'] == 'f') {
$ID = $page['id'];
$pageOpts = $opts;
$pageOpts['ns'] = getNS($ID);
$pageOpts['name'] = noNS($ID);
$pageOpts['newname'] = noNS($ID);
$this->_pm_move_page($pageOpts);
}
else {
$this->errors[] = $this->lang['pm_unknown_file_type'];
return;
}
}
}
/**
* move page
*
* @author Gary Owen <[email protected]>, modified by Kay Roesler
*
* @param array $opts
*/
function _pm_move_page($opts) {
global $conf;
global $lang;
global $ID;
global $INFO;
global $ACT;
// Check we have rights to move this document
if ( !$INFO['exists']) {
$this->have_rights = false;
$this->errors[] = $this->lang['pm_notexist'];
return;
}
if ( $ID == $conf['start']) {
$this->have_rights = false;
$this->errors[] = $this->lang['pm_notstart'];
return;
}
if ( auth_quickaclcheck($ID) < AUTH_EDIT ) {
$this->have_rights = false;
$this->errors[] = $this->lang['pm_norights'];
return;
}
// Check file is not locked
if (checklock($ID)) {
$this->locked_files[] = $ID;
}
// get all backlink information
$backlinksById = array();
$this->_pm_search($backlinksById, $conf['datadir'], '_pm_search_backlinks', $opts);
// Check we have edit rights on the backlinks and they are not locked
foreach($backlinksById as $backlinkingId=>$backlinks) {
if (auth_quickaclcheck($backlinkingId) < AUTH_EDIT) {
$this->have_rights = false;
}
if (checklock($backlinkingId)) {
$this->locked_files[] = $backlinkingId;
}
}
// Assemble fill document name and path
$opts['new_id'] = cleanID($opts['newns'].':'.$opts['newname']);
$opts['new_path'] = wikiFN($opts['new_id']);
// Has the document name and/or namespace changed?
if ( $opts['newns'] == $opts['ns'] && $opts['newname'] == $opts['name'] ) {
$this->errors[] = $this->lang['pm_nochange'];
return;
}
// Check the page does not already exist
if ( @file_exists($opts['new_path']) ) {
$this->errors[] = sprintf($this->lang['pm_existing'], $opts['newname'],
($opts['newns'] == '' ? $this->lang['pm_root'] : $opts['newns']));
return;
}
if ( count($this->errors) != 0 ) {
return;
}
/**
* End of init (checks)
*/
// Open the old document and change forward links
lock($ID);
$this->text = io_readFile(wikiFN($ID), True);
// Get an array of forward links from the document
$forward = $this->_pm_getforwardlinks($ID);
// Change the forward links
foreach($forward as $lnk => $lid) {
// Get namespace of target document
$tns = getNS($lid);
$tname = noNS($lid);
// Form new document ID for the target
$matches = array();
if ( $tns == $opts['newns'] ) {
// Document is in same namespace as target
$this->_pm_updatelinks($this->text, array($lnk => $tname));
}
elseif ( preg_match('#^'.$opts['newns'].':(.*:)$#', $tns, $matches) ) {
// Target is in a sub-namespace
$this->_pm_updatelinks($this->text, array($lnk => '.:'.$matches[1].':'.$tname));
}
elseif ( $tns == "" ) {
// Target is in root namespace
$this->_pm_updatelinks($this->text, array($lnk => $lid ));
}
else {
$this->_pm_updatelinks($this->text, array($lnk => $lid ));
}
}
if ( $opts['ns'] != $opts['newns'] ) {
// Change media links when moving between namespaces
$media = $this->_pm_getmedialinks($ID);
foreach($media as $lnk => $lid) {
$tns = getNS($lid);
$tname = noNS($lid);
// Form new document id for the target
$matches = array();
if ( $tns == $opts['newns'] ) {
// Document is in same namespace as target
$this->_pm_updatemedialinks($this->text, $lnk, $tname );
}
elseif ( preg_match('#^'.$opts['newns'].':(.*:)$#', $tns, $matches) ) {
// Target is in a sub-namespace
$this->_pm_updatemedialinks($this->text, $lnk, '.:'.$matches[1].':'.$tname );
}
elseif ( $tns == "" ) {
// Target is in root namespace
$this->_pm_updatemedialinks($this->text, $lnk, ':'.$lid );
}
else {
$this->_pm_updatemedialinks($this->text, $lnk, $lid );
}
}
}
// Move the Subscriptions & Indexes
$this->_pm_movemeta('metadir', '/^'.$opts['name'].'\.\w*?$/', $opts);
// Save the updated document in its new location
if ($opts['ns'] == $opts['newns']) {
$lang_key = 'pm_renamed';
}
elseif ( $opts['name'] == $opts['newname'] ) {
$lang_key = 'pm_moved';
}
else {
$lang_key = 'pm_move_rename';
}
$summary = sprintf($this->lang[$lang_key], $ID, $opts['new_id']);
saveWikiText($opts['new_id'], $this->text, $summary);
// Delete the orginal file
if (@file_exists(wikiFN($opts['new_id']))) {
saveWikiText($ID, '', $this->lang['pm_delete'] );
}
// Loop through backlinks
foreach($backlinksById as $backlinkingId => $backlinks) {
$this->_pm_updatebacklinks($backlinkingId, $backlinks, $opts, $brackets);
}
// Move the old revisions
$this->_pm_movemeta('olddir', '/^'.$opts['name'].'\.[0-9]{10}\.txt(\.gz)?$/', $opts);
}
/**
* Modify the links in a backlink.
*
* @param id Page ID of the backlinking page
* @param links Array of page names on this page.
*
* @author Gary Owen <[email protected]>
*/
function _pm_updatebacklinks($backlinkingId, $links, $opts, &$brackets) {
global $ID;
// Get namespace of document we are editing
$bns = getNS($backlinkingId);
// Create a clean version of the new name
$cleanname = cleanID($opts['newname']);
// Open backlink
lock($backlinkingId);
$text = io_readFile(wikiFN($backlinkingId),True);
// Form new document ID for this backlink
$matches = array();
// new page is in same namespace as backlink
if ( $bns == $opts['newns'] ) {
$replacementNamespace = '';
}
// new page is in sub-namespace of backlink
elseif ( preg_match('#^'.$bns.':(.*)$#', $opts['newns'], $matches) ) {
$replacementNamespace = '.:'.$matches[1].':';
}
// not same or sub namespace: use absolute reference
else {
$replacementNamespace = $opts['newns'].':';
}
// @fixme stupid: for each page get original backlink and its replacement
$matches = array();
// get an array of: backlinks => replacement
$oid = array();
if ( $bns == $opts['ns'] ) {
// old page was in same namespace as backlink
foreach ( $links as $link ) {
$oid[$link] = $replacementNamespace.(($cleanname == cleanID($link)) ? $link : $opts['newname']);
$oid['.:'.$link] = $replacementNamespace.(($cleanname == cleanID($link)) ? $link : $opts['newname']);
$oid['.'.$link] = $replacementNamespace.(($cleanname == cleanID($link)) ? $link : $opts['newname']);
}
}
if ( preg_match('#^'.$bns.':(.*)$#', $opts['ns'], $matches) ) {
// old page was in sub namespace of backlink namespace
foreach ( $links as $link ) {
$oid['.:'.$matches[1].':'.$link] = $replacementNamespace.(($cleanname == cleanID($link)) ? $link : $opts['newname']);
$oid['.'.$matches[1].':'.$link] = $replacementNamespace.(($cleanname == cleanID($link)) ? $link : $opts['newname']);
}
}
if ( preg_match('#^'.$opts['ns'].':(.*)$#', $bns , $matches) && $opts['page_ns'] == 'page' ) {
// old page was in upper namespace of backlink
foreach ( $links as $link ) {
$oid['..:'.$link] = $replacementNamespace.(($cleanname == cleanID($link)) ? $link : $opts['newname']);
$oid['..'.$link] = $replacementNamespace.(($cleanname == cleanID($link)) ? $link : $opts['newname']);
$oid['.:..:'.$link] = $replacementNamespace.(($cleanname == cleanID($link)) ? $link : $opts['newname']);
}
}
// replace all other links
foreach ( $links as $link ) {
// absolute links
$oid[$opts['ns'].':'.$link] = $replacementNamespace.(($cleanname == cleanID($link)) ? $link : $opts['newname']);
//$oid['.:'.$opts['ns'].':'.$link] = $replacementNamespace.(($cleanname == cleanID($link)) ? $link : $opts['newname']);
// check backwards relative links
$relLink = $link;
$relDots = '..';
$backlinkingNamespaceCount = count(explode(':', $bns));
$oldNamespaces = explode(':', $opts['ns'], $backlinkingNamespaceCount);
$oldNamespaceCount = count($oldNamespaces);
if ($backlinkingNamespaceCount > $oldNamespaceCount) {
$levelDiff = $backlinkingNamespaceCount - $oldNamespaceCount;
for ($i = 0; $i < $levelDiff; $i++) {
$relDots .= ':..';
}
}
foreach (array_reverse($oldNamespaces) as $nextUpperNs) {
$relLink = $nextUpperNs.':'.$relLink;
foreach (array($relDots.$relLink, $relDots.':'.$relLink) as $dottedRelLink) {
$absLink=$dottedRelLink;
resolve_pageid($bns, $absLink, $exists);
if ($absLink == $ID) {
$oid[$dottedRelLink] = $replacementNamespace.(($cleanname == cleanID($link)) ? $link : $opts['newname']);
}
}
$relDots = '..:'.$relDots;
}
//$oid['..:'.$opts['ns'].':'.$link] = $replacementNamespace.(($cleanname == cleanID($link)) ? $link : $opts['newname']);
//$oid['..'.$opts['ns'].':'.$link] = $replacementNamespace.(($cleanname == cleanID($link)) ? $link : $opts['newname']);
}
// Make the changes
$this->_pm_updatelinks($text, $oid);
// Save backlink and release lock
saveWikiText($backlinkingId, $text, sprintf($this->lang['pm_linkchange'], $ID, $opts['new_id']));
unlock($backlinkingId);
}
/**
* modify the links using the pairs in $links
*
* @author Gary Owen <[email protected]>
*/
function _pm_updatelinks(&$text, $links) {
foreach( $links as $old => $new ) {
$text = preg_replace( '#\[\[:?' . $old . '((\]\])|[\|\#])#i', '[[' . $new . '\1', $text);
}
}
/**
* modify the medialinks from namepspace $old to namespace $new
*
* @author Gary Owen <[email protected]>
*/
function _pm_updatemedialinks(&$text, $old, $new) {
// Question marks in media links need some extra handling
$text = preg_replace('#\{\{' . $old . '([\?\|]|(\}\}))#i', '{{' . $new . '\1', $text);
}
/**
* Get forward links in a given page which need to be changed.
*
* Not changed: local sections, absolute links
* Changed need to be
*
* @author Gary Owen <[email protected]>
*/
function _pm_getforwardlinks($id) {
$data = array();
$text = io_readfile(wikiFN($id));
// match all links
// FIXME may be incorrect because of code blocks
// TODO CamelCase isn't supported, too
preg_match_all('#\[\[(.+?)\]\]#si', $text, $matches, PREG_SET_ORDER);
foreach($matches as $match) {
// ignore local headings [[#some_heading]]
if ( preg_match('/^#/', $match[1])) continue;
// get ID from link and discard most non wikilinks
list($mid) = split('[\|#]', $match[1], 2);
// ignore links with URL schema prefix ([[prefix://]])
if(preg_match('#^\w+://#', $mid)) continue;
// if(preg_match('#^(https?|telnet|gopher|file|wais|ftp|ed2k|irc)://#',$mid)) continue;
// inter-wiki link
if(preg_match('#\w+>#', $mid)) continue;
// baselink ([[/some_link]])
if(preg_match('#^/#', $mid)) continue;
// email addresses
if(strpos($mid, '@') !== FALSE) continue;
// ignore absolute links
if( strpos($mid, ':') === 0 ) continue;
$absoluteMatchId = $mid;
$exists = FALSE;
resolve_pageid(getNS($id), $absoluteMatchId, $exists);
if($absoluteMatchId != FALSE) {
$data[$mid] = $absoluteMatchId;
}
}
return $data;
}
/**
* Get media links in a given page
*
* @author Gary Owen <[email protected]>
*/
function _pm_getmedialinks($id) {
$data = array();
$text = io_readfile(wikiFN($id));
// match all links
// FIXME may be incorrect because of code blocks
// TODO CamelCase isn't supported, too
preg_match_all('#{{(.[^>]+?)}}#si', $text, $matches, PREG_SET_ORDER);
foreach($matches as $match) {
// get ID from link and discard most non wikilinks
list($mid) = split('(\?|\|)', $match[1], 2);
$mns = getNS($mid);
$lnk = $mid;
// namespace starting with "." - prepend current namespace
if(strpos($mns, '.')===0) {
$mid = getNS($id).':'.substr($mid, 1);
}
elseif($mns === FALSE){
// no namespace in link? add current
$mid = getNS($id) . ':' . $mid;
}
$data[$lnk] = preg_replace('#:+#', ':', $mid);
}
return $data;
}
/**
* move meta files (Old Revs, Subscriptions, Meta, etc)
*
* This function meta files between directories
*
* @author Gary Owen <[email protected]>
*/
function _pm_movemeta($dir, $regex, $opts) {
global $conf;
$old_path = $conf[$dir].'/'.str_replace(':','/',$opts['ns']).'/';
$new_path = $conf[$dir].'/'.str_replace(':','/',$opts['newns']).'/';
$dh = @opendir($old_path);
if($dh) {
while(($file = readdir($dh)) !== false) {
// skip hidden files and upper dirs
if(preg_match('/^\./',$file)) continue;
if(is_file($old_path.$file) and preg_match($regex,$file)) {
io_mkdir_p($new_path);
io_rename($old_path.$file,$new_path.str_replace($opts['name'], $opts['newname'], $file));
continue;
}
}
closedir($dh);
}
}
/**
* recurse directory
*
* This function recurses into a given base directory
* and calls the supplied function for each file and directory
*
* @author Andreas Gohr <[email protected]>
* @param array $data Found data is collected
* @param string $base Directory to be searched in
* @param string $func Name of real search function
* @param array $opts Options to the search functions
* @param string $dir Current relative directory
* @param integer $lvl Level of recursion
*/
function _pm_search(&$data, $base, $func, $opts, $dir='' ,$lvl=1) {
$dirs = array();
$files = array();
// read in directories and files
$dh = @opendir($base.'/'.$dir);
if(!$dh) return;
while(($file = readdir($dh)) !== false) {
// skip hidden files and upper dirs
if(preg_match('/^\./',$file)) continue;
if(is_dir($base.'/'.$dir.'/'.$file)) {
$dirs[] = $dir.'/'.$file;
continue;
}
$files[] = $dir.'/'.$file;
}
closedir($dh);
sort($files);
sort($dirs);
// give directories to userfunction then recurse
foreach($dirs as $dir) {
if ($this->$func($data, $base, $dir, 'd', $lvl, $opts)) {
$this->_pm_search($data, $base, $func, $opts, $dir, $lvl+1);
}
}
// now handle the files
foreach($files as $file) {
$this->$func($data, $base, $file, 'f', $lvl, $opts);
}
}
/**
* Search for backlinks to a given page
*
* $opts['ns'] namespace of the page
* $opts['name'] name of the page without namespace
*
* @author Andreas Gohr <[email protected]>
* @author Gary Owen <[email protected]>
*/
function _pm_search_backlinks(&$data, $base, $file, $type, $lvl, $opts) {
// we do nothing with directories
if($type == 'd') return true;
// only search txt files
if(!preg_match('#\.txt$#', $file)) return true;
$text = io_readfile($base.'/'.$file);
// absolute search ID
// $absSearchedId = cleanID($opts['ns'].':'.$opts['name']);
$absSearchedId = $opts['name'];
resolve_pageid($opts['ns'], $absSearchedId, $exists);
// construct current namespace
$cid = pathID($file);
$cns = getNS($cid);
// match all links
// FIXME may be incorrect because of code blocks
// FIXME CamelCase isn't supported, too
preg_match_all('#\[\[(.+?)\]\]#si', $text, $matches, PREG_SET_ORDER);
foreach($matches as $match) {
// get ID from link and discard most non wikilinks
list($matchLink) = split('[\|#]', $match[1], 2);
// all URLs with a scheme
if(preg_match('#^\w+://#', $matchLink)) continue;
// if(preg_match('#^(https?|telnet|gopher|file|wais|ftp|ed2k|irc)://#',$matchLink)) continue;
// baselinks
if(preg_match('#^/#', $matchLink)) continue;
// inter-wiki links
if(preg_match('#\w+>#', $matchLink)) continue;
// email addresses
if(strpos($matchLink, '@') !== FALSE) continue;
// get the ID the link refers to by cleaning and resolving it
$matchId = cleanID($matchLink);
resolve_pageid($cns, $matchId, $exists);
$matchPagename = ltrim(noNS($matchId), '.:');
// only collect IDs not in collected $data already
if ($matchId == $absSearchedId // matching link refers to the searched ID
&& (! array_key_exists($cid, $data) // not in $data already
|| empty($data[$cid])
|| ! in_array($matchPagename, $data[$cid]))) {
// @fixme return original link and its replacement
$data[$cid][] = $matchPagename;
}
}
}
}