website_jukni/dokuwiki/lib/plugins/bureaucracy/helper/actiontemplate.php
2017-12-29 15:51:59 +01:00

414 lines
14 KiB
PHP

<?php
/**
* Simple template replacement action for the bureaucracy plugin
*
* @author Michael Klier <chi@chimeric.de>
*/
class helper_plugin_bureaucracy_actiontemplate extends helper_plugin_bureaucracy_action {
var $targetpages;
var $pagename;
/**
* Performs template action
*
* @param helper_plugin_bureaucracy_field[] $fields array with form fields
* @param string $thanks thanks message
* @param array $argv array with entries: template, pagename, separator
* @return array|mixed
*
* @throws Exception
*/
public function run($fields, $thanks, $argv) {
global $conf;
list($tpl, $this->pagename, $sep) = $argv;
if(is_null($sep)) $sep = $conf['sepchar'];
$this->patterns = array();
$this->values = array();
$this->targetpages = array();
$this->prepareNamespacetemplateReplacements();
$this->prepareDateTimereplacements();
$this->prepareLanguagePlaceholder();
$this->prepareNoincludeReplacement();
$this->prepareFieldReplacements($fields);
$this->buildTargetPagename($fields, $sep);
//target&template(s) from addpage fields
$this->getAdditionalTargetpages($fields);
//target&template(s) from action field
$tpl = $this->getActionTargetpages($tpl);
if(empty($this->targetpages)) {
throw new Exception(sprintf($this->getLang('e_template'), $tpl));
}
$this->checkTargetPageNames();
$this->processUploads($fields);
$this->replaceAndSavePages($fields);
$ret = $this->buildThankYouPage($thanks);
return $ret;
}
/**
* Prepare and resolve target page
*
* @param helper_plugin_bureaucracy_field[] $fields List of field objects
* @param string $sep Separator between fields for page id
* @throws Exception missing pagename
*/
protected function buildTargetPagename($fields, $sep) {
global $ID;
foreach ($fields as $field) {
$pname = $field->getParam('pagename');
if (!is_null($pname)) {
$this->pagename .= $sep . $pname;
}
}
$this->pagename = $this->replace($this->pagename);
$myns = getNS($ID);
resolve_pageid($myns, $this->pagename, $ignored); // resolve relatives
if ($this->pagename === '') {
throw new Exception($this->getLang('e_pagename'));
}
}
/**
* Handle templates from addpage field
*
* @param helper_plugin_bureaucracy_field[] $fields List of field objects
* @return array
*/
function getAdditionalTargetpages($fields) {
global $ID;
$ns = getNS($ID);
foreach ($fields as $field) {
if (!is_null($field->getParam('page_tpl')) && !is_null($field->getParam('page_tgt')) ) {
//template
$templatepage = $this->replace($field->getParam('page_tpl'));
resolve_pageid(getNS($ID), $templatepage, $ignored);
//target
$relativetargetpage = $field->getParam('page_tgt');
resolve_pageid($ns, $relativeTargetPageid, $ignored);
$targetpage = "$this->pagename:$relativetargetpage";
$auth = $this->aclcheck($templatepage); // runas
if ($auth >= AUTH_READ ) {
$this->addParsedTargetpage($targetpage, $templatepage);
}
}
}
}
/**
* Load template(s) for targetpage as given via action field
*
* @param string $tpl template name as given in form
* @return string parsed templatename
*/
protected function getActionTargetpages($tpl) {
global $USERINFO;
global $conf;
global $ID;
$runas = $this->getConf('runas');
if ($tpl == '_') {
// use namespace template
if (!isset($this->targetpages[$this->pagename])) {
$this->targetpages[$this->pagename] = pageTemplate(array($this->pagename));
}
} elseif ($tpl !== '!') {
$tpl = $this->replace($tpl);
// resolve templates, but keep references to whole namespaces intact (ending in a colon)
if(substr($tpl, -1) == ':') {
$tpl = $tpl.'xxx'; // append a fake page name
resolve_pageid(getNS($ID), $tpl, $ignored);
$tpl = substr($tpl, 0, -3); // cut off fake page name again
} else {
resolve_pageid(getNS($ID), $tpl, $ignored);
}
$backup = array();
if ($runas) {
// Hack user credentials.
$backup = array($_SERVER['REMOTE_USER'], $USERINFO['grps']);
$_SERVER['REMOTE_USER'] = $runas;
$USERINFO['grps'] = array();
}
$template_pages = array();
//search checks acl (as runas)
$opts = array(
'depth' => 0,
'listfiles' => true,
'showhidden' => true
);
search($template_pages, $conf['datadir'], 'search_universal', $opts, str_replace(':', '/', getNS($tpl)));
foreach ($template_pages as $template_page) {
$templatepageid = cleanID($template_page['id']);
// try to replace $tpl path with $this->pagename path in the founded $templatepageid
// - a single-page template will only match on itself and will be replaced,
// other newtargets are pages in same namespace, so aren't changed
// - a namespace as template will match at the namespaces-part of the path of pages in this namespace
// so these newtargets are changed
// if there exist a single-page and a namespace with name $tpl, both are selected
$newTargetpageid = preg_replace('/^' . preg_quote_cb(cleanID($tpl)) . '($|:)/', $this->pagename . '$1', $templatepageid);
if ($newTargetpageid === $templatepageid) {
// only a single-page template or page in the namespace template
// which matches the $tpl path are changed
continue;
}
if (!isset($this->targetpages[$newTargetpageid])) {
$this->addParsedTargetpage($newTargetpageid, $templatepageid);
}
}
if ($runas) {
/* Restore user credentials. */
list($_SERVER['REMOTE_USER'], $USERINFO['grps']) = $backup;
}
}
return $tpl;
}
/**
* Checks for existance and access of target pages
*
* @return mixed
* @throws Exception
*/
protected function checkTargetPageNames() {
foreach (array_keys($this->targetpages) as $pname) {
// prevent overriding already existing pages
if (page_exists($pname)) {
throw new Exception(sprintf($this->getLang('e_pageexists'), html_wikilink($pname)));
}
$auth = $this->aclcheck($pname);
if ($auth < AUTH_CREATE) {
throw new Exception($this->getLang('e_denied'));
}
}
}
/**
* Perform replacements on the collected templates, and save the pages.
*
* Note: wrt runas, for changelog are used:
* - $INFO['userinfo']['name']
* - $INPUT->server->str('REMOTE_USER')
*/
protected function replaceAndSavePages($fields) {
global $ID;
foreach ($this->targetpages as $pageName => $template) {
// set NSBASE var to make certain dataplugin constructs easier
$this->patterns['__nsbase__'] = '/@NSBASE@/';
$this->values['__nsbase__'] = noNS(getNS($pageName));
$evdata = array(
'patterns' => &$this->patterns,
'values' => &$this->values,
'id' => $pageName,
'template' => $template,
'form' => $ID,
'fields' => $fields
);
$event = new Doku_Event('PLUGIN_BUREAUCRACY_TEMPLATE_SAVE', $evdata);
if($event->advise_before()) {
// save page
saveWikiText(
$evdata['id'],
cleanText($this->replace($evdata['template'], false)),
sprintf($this->getLang('summary'), $ID)
);
}
$event->advise_after();
}
}
/**
* (Callback) Sorts first by namespace depth, next by page ids
*
* @param string $a
* @param string $b
* @return int positive if $b is in deeper namespace than $a, negative higher.
* further sorted by pageids
*
* return an integer less than, equal to, or
* greater than zero if the first argument is considered to be
* respectively less than, equal to, or greater than the second.
*/
public function _sorttargetpages($a, $b) {
$ns_diff = substr_count($a, ':') - substr_count($b, ':');
return ($ns_diff === 0) ? strcmp($a, $b) : ($ns_diff > 0 ? -1 : 1);
}
/**
* (Callback) Build content of item
*
* @param array $item
* @return string
*/
public function html_list_index($item){
$ret = '';
if($item['type']=='f'){
$ret .= html_wikilink(':'.$item['id']);
} else {
$ret .= '<strong>' . trim(substr($item['id'], strrpos($item['id'], ':', -2)), ':') . '</strong>';
}
return $ret;
}
/**
* Build thanks message, trigger indexing and rendering of new pages.
*
* @param string $thanks
* @return string html of thanks message or when redirect the first page id of created pages
*/
protected function buildThankYouPage($thanks) {
global $ID;
$backupID = $ID;
$html = "<p>$thanks</p>";
// Build result tree
$pages = array_keys($this->targetpages);
usort($pages, array($this, '_sorttargetpages'));
$data = array();
$last_folder = array();
foreach ($pages as $ID) {
$lvl = substr_count($ID, ':');
for ($n = 0; $n < $lvl; ++$n) {
if (!isset($last_folder[$n]) || strpos($ID, $last_folder[$n]['id']) !== 0) {
$last_folder[$n] = array(
'id' => substr($ID, 0, strpos($ID, ':', ($n > 0 ? strlen($last_folder[$n - 1]['id']) : 0) + 1) + 1),
'level' => $n + 1,
'open' => 1
);
$data[] = $last_folder[$n];
}
}
$data[] = array('id' => $ID, 'level' => 1 + substr_count($ID, ':'), 'type' => 'f');
}
$html .= html_buildlist($data, 'idx', array($this, 'html_list_index'), 'html_li_index');
// Add indexer bugs for every just-created page
$html .= '<div class="no">';
ob_start();
foreach ($pages as $ID) {
// indexerWebBug uses ID and INFO[exists], but the bureaucracy form
// page always exists, as does the just-saved page, so INFO[exists]
// is correct in any case
tpl_indexerWebBug();
// the iframe will trigger real rendering of the pages to make sure
// any used plugins are initialized (eg. the do plugin)
echo '<iframe src="' . wl($ID, array('do' => 'export_html')) . '" width="1" height="1" style="visibility:hidden"></iframe>';
}
$html .= ob_get_contents();
ob_end_clean();
$html .= '</div>';
$ID = $backupID;
return $html;
}
/**
* move the uploaded files to <pagename>:FILENAME
*
*
* @param helper_plugin_bureaucracy_field[] $fields
* @throws Exception
*/
protected function processUploads($fields) {
foreach($fields as $field) {
if($field->getFieldType() !== 'file') continue;
$label = $field->getParam('label');
$file = $field->getParam('file');
$ns = $field->getParam('namespace');
//skip empty files
if(!$file['size']) {
$this->values[$label] = '';
continue;
}
$id = $ns.':'.$file['name'];
resolve_mediaid($this->pagename, $id, $ignored); // resolve relatives
$auth = $this->aclcheck($id); // runas
$move = 'copy_uploaded_file';
//prevent from is_uploaded_file() check
if(defined('DOKU_UNITTEST')) {
$move = 'copy';
}
$res = media_save(
array('name' => $file['tmp_name']),
$id,
false,
$auth,
$move);
if(is_array($res)) throw new Exception($res[0]);
$this->values[$label] = $res;
}
}
/**
* Load page data and do default pattern replacements like namespace templates do
* and add it to list of targetpages
*
* Note: for runas the values of the real user are used for the placeholders
* @NAME@ => $USERINFO['name']
* @MAIL@ => $USERINFO['mail']
* and the replaced value:
* @USER@ => $INPUT->server->str('REMOTE_USER')
*
* @param string $targetpageid pageid of destination
* @param string $templatepageid pageid of template for this targetpage
*/
protected function addParsedTargetpage($targetpageid, $templatepageid) {
$data = array(
'id' => $targetpageid,
'tpl' => rawWiki($templatepageid),
'doreplace' => true,
);
parsePageTemplate($data);
//collect and apply some other replacements
$patterns = array();
$values = array();
$keys = array('__lang__', '__trans__', '__year__', '__month__', '__day__', '__time__');
foreach($keys as $key) {
$patterns[$key] = $this->patterns[$key];
$values[$key] = $this->values[$key];
}
$this->targetpages[$targetpageid] = preg_replace($patterns, $values, $data['tpl']);
}
}
// vim:ts=4:sw=4:et:enc=utf-8: