*/
class helper_plugin_pagemod_pagemod extends helper_plugin_bureaucracy_action {
var $patterns;
var $values;
protected $template_section_id;
/**
* Handle the user input [required]
*
* @param helper_plugin_bureaucracy_field[] $fields the list of fields in the form
* @param string $thanks the thank you message as defined in the form
* or default one. Might be modified by the action
* before returned
* @param array $argv additional arguments passed to the action
* @return bool|string false on error, $thanks on success
*/
public function run($fields, $thanks, $argv) {
global $ID;
// prepare replacements
$this->prepareNamespacetemplateReplacements();
$this->prepareDateTimereplacements();
$this->prepareLanguagePlaceholder();
$this->prepareNoincludeReplacement();
$this->prepareFieldReplacements($fields);
//handle arguments
$page_to_modify = array_shift($argv);
if($page_to_modify === '_self') {
# shortcut to modify the same page as the submitter
$page_to_modify = $ID;
} else {
//resolve against page which contains the form
resolve_pageid(getNS($ID), $page_to_modify, $ignored);
}
$template_section_id = cleanID(array_shift($argv));
if(!page_exists($page_to_modify)) {
msg(sprintf($this->getLang('e_pagenotexists'), html_wikilink($page_to_modify)), -1);
return false;
}
// check auth
//
// This is an important point. In order to be able to modify a page via this method ALL you need is READ access to the page
// This is good for admins to be able to only allow people to modify a page via a certain method. If you want to protect the page
// from people to WRITE via this method, deny access to the form page.
$auth = $this->aclcheck($page_to_modify); // runas
if($auth < AUTH_READ) {
msg($this->getLang('e_denied'), -1);
return false;
}
// fetch template
$template = rawWiki($page_to_modify);
if(empty($template)) {
msg(sprintf($this->getLang('e_template'), $page_to_modify), -1);
return false;
}
// do the replacements
$template = $this->updatePage($template, $template_section_id);
if(!$template) {
msg(sprintf($this->getLang('e_failedtoparse'), $page_to_modify), -1);
return false;
}
// save page
saveWikiText($page_to_modify, $template, sprintf($this->getLang('summary'), $ID));
//thanks message with redirect
$link = wl($page_to_modify);
return sprintf(
$this->getLang('pleasewait'),
"", // javascript redirect
html_wikilink($page_to_modify) //fallback url
);
}
/**
* (callback) Returns replacement for meta variabels (value generated at execution time)
*
* @param $arguments
* @return bool|string
*/
public function getMetaValue($arguments) {
global $INFO;
# this function gets a meta value
$label = $arguments[1];
//print_r($INFO);
if($label == 'date') {
return date("d/m/Y");
} elseif($label == 'datetime') {
return date("c");
} elseif(preg_match('/^date\.format\.(.*)$/', $label, $matches)) {
return date($matches[1]);
} elseif($label == 'user' || $label == 'user.id') {
return $INFO['client'];
} elseif(preg_match('/^user\.(mail|name)$/', $label, $matches)) {
return $INFO['userinfo'][$matches[1]];
} elseif($label == 'page' || $label == 'page.id') {
return $INFO['id'];
} elseif($label == 'page.namespace') {
return $INFO['namespace'];
} elseif($label == 'page.name') {
return noNs($INFO['id']);
}
return '';
}
/**
* Update the page with new content
*
* @param string $template
* @param string $template_section_id
* @return string
*/
protected function updatePage($template, $template_section_id) {
$this->template_section_id = $template_section_id;
return preg_replace_callback('/(.*?)<\/pagemod>/s', array($this, 'parsePagemod'), $template);
}
/**
* (callback) Build replacement that is inserted before of after section
*
* @param $matches
* @return string
*/
public function parsePagemod($matches) {
// Get all the parameters
$full_text = $matches[0];
$id = $matches[1];
$params_string = $matches[2];
$contents = $matches[3];
// First parse the parameters
$output_before = true;
if($params_string) {
$params = array_map('trim', explode(",", $params_string));
foreach($params as $param) {
if($param === 'output_after') {
$output_before = false;
}
}
}
// We only parse if this template is being matched (Allow multiple forms to update multiple sections of a page)
if($id === $this->template_section_id) {
//replace meta variables
$output = preg_replace_callback('/@@meta\.(.*?)@@/', array($this, 'getMetaValue'), $contents);
//replace bureacracy variables
$output = $this->replace($output);
if($output_before) {
return $output . $full_text;
} else {
return $full_text . $output;
}
} else {
return $full_text;
}
}
}
// vim:ts=4:sw=4:et:enc=utf-8: