431 lines
11 KiB
PHP
431 lines
11 KiB
PHP
<?php
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/**
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* Classes and functions for XML based templates.
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*
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* @author The phpLDAPadmin development team
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* @package phpLDAPadmin
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*/
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/**
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* XML Templates Class
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*
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* @package phpLDAPadmin
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* @subpackage Templates
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*/
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abstract class xmlTemplates {
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# The server ID that these templates are configured for.
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protected $server_id;
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# Our array of the available templates.
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protected $templates = array();
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function __construct($server_id) {
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$this->server_id = $server_id;
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$server = $_SESSION[APPCONFIG]->getServer($this->server_id);
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$custom_prefix = $server->getValue('custom','pages_prefix');
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$class = $this->getClassVars();
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$changed = false;
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# Try to get the templates from our CACHE.
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if ($this->templates = get_cached_item($server_id,$class['item'])) {
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# See if the template_time has expired to see if we should reload the templates.
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foreach ($this->templates as $index => $template) {
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# If the file no longer exists, we'll delete the template.
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if (! file_exists($template->getFileName())) {
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unset($this->templates[$index]);
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$changed = true;
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system_message(array(
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'title'=>('Template XML file removed.'),
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'body'=>sprintf('%s %s (%s)',('Template XML file has removed'),$template->getName(false),$template->getType()),
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'type'=>'info','special'=>true));
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continue;
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}
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if (($template->getReadTime() < (time()-$class['cachetime']))
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&& (filectime($template->getFileName()) > $template->getReadTime())) {
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system_message(array(
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'title'=>('Template XML file changed.'),
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'body'=>sprintf('%s %s (%s)',('Template XML file has changed and been reread'),$template->getName(false),$template->getType()),
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'type'=>'info','special'=>true));
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$changed = true;
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$className = $class['name'];
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$this->templates[$index] = new $className($this->server_id,$template->getName(false),$template->getFileName(),$template->getType(),$index);
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}
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}
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# See if there are any new template files
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$index = max(array_keys($this->templates))+1;
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foreach ($class['types'] as $type) {
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$dir = $class['dir'].$type;
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$dh = opendir($dir);
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if (! $type)
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$type = 'template';
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while ($file = readdir($dh)) {
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# Ignore any files that are not XML files.
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if (! preg_match('/.xml$/',$file))
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continue;
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# Ignore any files that are not the predefined custom files.
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if ($_SESSION[APPCONFIG]->getValue('appearance','custom_templates_only')
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&& ! preg_match("/^${custom_prefix}/",$file))
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continue;
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$filename = sprintf('%s/%s',$dir,$file);
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if (! in_array($filename,$this->getTemplateFiles())) {
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$templatename = preg_replace('/.xml$/','',$file);
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$className = $class['name'];
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$this->templates[$index] = new $className($this->server_id,$templatename,$filename,$type,$index);
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$index++;
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$changed = true;
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system_message(array(
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'title'=>('New Template XML found.'),
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'body'=>sprintf('%s %s (%s)',('A new template XML file has been loaded'),$file,$type),
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'type'=>'info','special'=>true));
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}
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}
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}
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} else {
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# Need to reset this, as get_cached_item() returns null if nothing cached.
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$this->templates = array();
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$changed = true;
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$counter = 0;
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foreach ($class['types'] as $type) {
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$dir = $class['dir'].$type;
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$dh = opendir($class['dir'].$type);
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if (! $type)
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$type = 'template';
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while ($file = readdir($dh)) {
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# Ignore any files that are not XML files.
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if (! preg_match('/.xml$/',$file))
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continue;
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# Ignore any files that are not the predefined custom files.
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if ($_SESSION[APPCONFIG]->getValue('appearance','custom_templates_only')
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&& ! preg_match("/^${custom_prefix}/",$file))
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continue;
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$filename = sprintf('%s/%s',$dir,$file);
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# Store the template
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$templatename = preg_replace('/.xml$/','',$file);
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$className = $class['name'];
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$this->templates[$counter] = new $className($this->server_id,$templatename,$filename,$type,$counter);
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$counter++;
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}
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}
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}
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if ($changed) {
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masort($this->templates,'title');
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set_cached_item($server_id,$class['item'],'null',$this->templates);
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}
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}
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/**
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* This will return our custom class variables, used by the parent to create objects.
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*/
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private function getClassVars() {
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$class = array();
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switch (get_class($this)) {
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case 'Queries':
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$class['item'] = 'query';
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$class['name'] = 'Query';
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$class['cachetime'] = $_SESSION[APPCONFIG]->getValue('cache','query_time');
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$class['types'] = array('');
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$class['dir'] = QUERYDIR;
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break;
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case 'Templates':
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$class['item'] = 'template';
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$class['name'] = 'Template';
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$class['cachetime'] = $_SESSION[APPCONFIG]->getValue('cache','template_time');
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$class['types'] = array('creation','modification');
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$class['dir'] = TMPLDIR;
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break;
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default:
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debug_dump_backtrace(sprintf('Unknown class %s',get_class($this)),1);
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}
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return $class;
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}
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/**
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* Return a list of templates by their type
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* This function should return a sorted list, as the array is built sorted.
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*
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* @param string Type of template, eg: creation, modification
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* @param boolean Exclude templates purposely disabled.
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* @return array List of templates of the type
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*/
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public function getTemplates($type=null,$container=null,$disabled=false) {
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$result = array();
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if (is_array($this->templates))
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foreach ($this->templates as $details) {
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# Clone this, as we'll disable some templates, as a result of the container being requested.
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$template = clone $details;
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if (! is_null($container) && ($regexp = $template->getRegExp()) && (! @preg_match('/'.$regexp.'/i',$container))) {
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$template->setInvalid(('This template is not valid in this container'),true);
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if ($_SESSION[APPCONFIG]->getValue('appearance','hide_template_regexp'))
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$template->setInvisible();
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}
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if ($template->isVisible() && (! $disabled || ! $template->isAdminDisabled()))
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if (is_null($type) || (! is_null($type) && $template->isType($type)))
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array_push($result,$template);
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}
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return $result;
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}
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/**
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* Return a template by its ID
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*
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* @param string The template ID as it was when it was generated (normally used in $_REQUEST vars).
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* @return object Template (or default template if the ID doesnt exist)
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*/
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function getTemplate($templateid) {
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$class = $this->getClassVars();
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foreach ($this->templates as $template)
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if ($template->getID() === $templateid)
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return clone $template;
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# If we get here, the template ID didnt exist, so return a blank template, which be interpreted as the default template
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$className = $class['name'];
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$object = new $className($this->server_id,null,null,"default");
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return $object;
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}
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/**
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* Get a list of template filenames.
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*/
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private function getTemplateFiles() {
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$result = array();
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foreach ($this->templates as $template)
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array_push($result,$template->getFileName());
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return $result;
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}
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}
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/**
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* XML Template Class
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*
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* @package phpLDAPadmin
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* @subpackage Templates
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*/
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abstract class xmlTemplate {
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# Server ID that the template is linked to
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protected $server_id;
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# Template unique ID
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protected $id;
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# Template name - as extracted from the filename
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protected $name;
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# Template type - creation/modification
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protected $type;
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# Time this object was created
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protected $readtime;
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# Template file name
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protected $filename;
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# The TEMPLATE attributes as per the template definition, or the DN entry
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protected $attributes = array();
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public function __construct($server_id,$name=null,$filename=null,$type=null,$id=null) {
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$this->server_id = $server_id;
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$this->name = $name;
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$this->type = $type;
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$this->filename = $filename;
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$this->readtime = time();
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$this->id = $id;
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# If there is no filename, then this template is a default template.
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if (is_null($filename))
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return;
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# If we have a filename, parse the template file and build the object.
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$objXML = new xml2array();
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$xmldata = $objXML->parseXML(file_get_contents($filename),$filename);
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$this->storeTemplate($xmldata);
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}
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/**
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* Get an attribute ID
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*
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* @param string The Attribute being searched.
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* @return int Attribute ID in the array
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*/
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protected function getAttrID($attr) {
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foreach ($this->attributes as $index => $attribute)
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if (strtolower($attr) == $attribute->getName() || in_array(strtolower($attr),$attribute->getAliases()))
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return $index;
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return null;
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}
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/**
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* Get the Template filename.
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*/
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public function getFileName() {
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return $this->filename;
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}
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/**
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* Return the template by ID
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*/
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public function getID() {
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if ($this->name)
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return sprintf('%s:%s',$this->getName(false),$this->id);
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else
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return 'none';
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}
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/**
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* Return the template name
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*
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* @param boolean Force the name to be lowercase (default)
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*/
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public function getName($lower=true) {
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if ($lower)
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return strtolower($this->name);
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else
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return $this->name;
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}
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/**
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* Get the Template read time.
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*/
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public function getReadTime() {
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return $this->readtime;
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}
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/**
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* Return this LDAP Server object
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*
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* @return object DataStore Server
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*/
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protected function getServer() {
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return $_SESSION[APPCONFIG]->getServer($this->getServerID());
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}
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/**
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* Return the LDAP server ID
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*
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* @return int Server ID
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*/
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protected function getServerID() {
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return $this->server_id;
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}
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/**
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* Test if a template is of a type
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*
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* @return boolean
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*/
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public function isType($type) {
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if ($this->type == $type)
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return true;
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else
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return false;
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}
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/**
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* Return the template type
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*/
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public function getType() {
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return $this->type;
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}
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/**
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* Get template title
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*/
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public function getTitle() {
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if (! isset($this->title) && ! isset($this->description))
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return '';
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return isset($this->title) ? $this->title : $this->description;
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}
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/**
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* Add another attribute to this template
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*
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* @return int Attribute ID
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*/
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public function addAttribute($name,$value,$source=null) {
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if (! is_array($value))
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debug_dump_backtrace('Value should be an array()',1);
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$server = $this->getServer();
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# Initialise the Attribute Factory.
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$attribute_factory = new AttributeFactory();
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# If there isnt a schema item for this attribute
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$attribute = $attribute_factory->newAttribute($name,$value,$server->getIndex(),$source);
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$attrid = $this->getAttrID($attribute->getName(true, true));
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if (is_null($attrid))
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array_push($this->attributes,$attribute);
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else
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debug_dump_backtrace(sprintf('There was a request to add an attribute (%s), but it was already defined? (%s)',$attrid,__METHOD__),true);
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if ($this->getID() == 'none')
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usort($this->attributes,'sortAttrs');
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return $attribute;
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}
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/**
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* Get the attribute names
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*
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* @return array Array of attributes Names
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*/
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public function getAttributeNames() {
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$result = array();
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foreach ($this->attributes as $attribute)
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array_push($result,$attribute->getName());
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return $result;
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}
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/**
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* Get a specific Attribute
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*
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* @param string Name of attribute to retrieve
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* @return object Attribute
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*/
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public function getAttribute($name) {
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foreach ($this->attributes as $attribute)
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if (($attribute->getName(true, true) == strtolower($name)) || in_array(strtolower($name),$attribute->getAliases()))
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return $attribute;
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return null;
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}
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/**
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* May be overloaded in other classes
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*/
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public function isAdminDisabled() {}
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}
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?>
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