makary/phpbb
1
0
Fork 0
mirror of https://github.com/phpbb/phpbb.git synced 2025-06-27 21:58:52 +00:00
Code Issues Projects Releases Packages Wiki Activity

[ticket/10631] Validation for extensions

Browse source 
PHPBB3-10631
This commit is contained in:
Nathan Guse 2012-07-23 15:17:42 -05:00 • committed by Unknown Bliss
parent 74492b3cdd
commit 8bbab088dd
9 changed files with 258 additions and 175 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

8
phpBB/adm/style/acp_ext_details.html
View file

@ -6,10 +6,12 @@
<fieldset>
<legend>{L_EXT_DETAILS}</legend>
<!-- IF MD_DISPLAY_NAME -->
<dl>
<dt><label for="md_display_name">{L_DISPLAY_NAME}:</label></dt>
<dd><strong id="md_display_name">{MD_DISPLAY_NAME}</strong></dd>
</dl>
<!-- ENDIF -->
<dl>
<dt><label for="md_name">{L_CLEAN_NAME}:</label></dt>
<dd><strong id="md_name">{MD_NAME}</strong></dd>
@ -43,7 +45,7 @@
<dd><p id="md_license">{MD_LICENCE}</p></dd>
</dl>
</fieldset>
<fieldset>
<legend>{L_REQUIREMENTS}</legend>
<!-- IF MD_REQUIRE_PHPBB -->
@ -85,9 +87,9 @@
<dd><strong id="md_author_role">{md_authors.AUTHOR_ROLE}</strong></dd>
</dl>
<!-- ENDIF -->
<br /><br />
<!-- END md_authors -->
</fieldset>
<!-- INCLUDE overall_footer.html -->

2
phpBB/common.php
View file

@ -119,7 +119,7 @@ set_config(null, null, null, $config);
set_config_count(null, null, null, $config);
// load extensions
$phpbb_extension_manager = new phpbb_extension_manager($db, EXT_TABLE, $phpbb_root_path, ".$phpEx", $cache->get_driver());
$phpbb_extension_manager = new phpbb_extension_manager($db, $config, EXT_TABLE, $phpbb_root_path, ".$phpEx", $cache->get_driver());
// Initialize style
$phpbb_style_resource_locator = new phpbb_style_resource_locator();

2
phpBB/download/file.php
View file

@ -77,7 +77,7 @@ if (isset($_GET['avatar']))
set_config_count(null, null, null, $config);
// load extensions
$phpbb_extension_manager = new phpbb_extension_manager($db, EXT_TABLE, $phpbb_root_path, ".$phpEx", $cache->get_driver());
$phpbb_extension_manager = new phpbb_extension_manager($db, $config, EXT_TABLE, $phpbb_root_path, ".$phpEx", $cache->get_driver());
$phpbb_subscriber_loader = new phpbb_event_extension_subscriber_loader($phpbb_dispatcher, $phpbb_extension_manager);
$phpbb_subscriber_loader->load();

53
phpBB/includes/acp/acp_extensions.php
View file

@ -25,7 +25,7 @@ class acp_extensions
function main()
{
// Start the page
global $user, $template, $request, $phpbb_extension_manager, $db, $phpbb_root_path, $phpEx;
global $config, $user, $template, $request, $phpbb_extension_manager, $db, $phpbb_root_path, $phpEx;
$user->add_lang(array('install', 'acp/extensions'));
@ -34,6 +34,17 @@ class acp_extensions
$action = $request->variable('action', 'list');
$ext_name = $request->variable('ext_name', '');
// If they've specificed an extension, let's load the metadata manager and validate it.
if ($ext_name)
{
$md_manager = new phpbb_extension_metadata_manager($ext_name, $db, $phpbb_extension_manager, $phpbb_root_path, ".$phpEx", $template, $config);
if ($md_manager->get_metadata('all') === false)
{
trigger_error('EXTENSION_INVALID');
}
}
// What are we doing?
switch ($action)
{
@ -47,6 +58,11 @@ class acp_extensions
break;
case 'enable_pre':
if (!$md_manager->validate_enable())
{
trigger_error('EXTENSION_NOT_AVAILABLE');
}
$this->tpl_name = 'acp_ext_enable';
$template->assign_vars(array(
@ -56,10 +72,15 @@ class acp_extensions
break;
case 'enable':
if (!$md_manager->validate_enable())
{
trigger_error('EXTENSION_NOT_AVAILABLE');
}
if ($phpbb_extension_manager->enable_step($ext_name))
{
$template->assign_var('S_NEXT_STEP', true);
meta_refresh(0, $this->u_action . '&amp;action=enable&amp;ext_name=' . $ext_name);
}
@ -76,14 +97,14 @@ class acp_extensions
$template->assign_vars(array(
'PRE' => true,
'U_DISABLE' => $this->u_action . '&amp;action=disable&amp;ext_name=' . $ext_name,
));
break;
));
break;
case 'disable':
if ($phpbb_extension_manager->disable_step($ext_name))
{
$template->assign_var('S_NEXT_STEP', true);
meta_refresh(0, $this->u_action . '&amp;action=disable&amp;ext_name=' . $ext_name);
}
@ -101,13 +122,13 @@ class acp_extensions
'PRE' => true,
'U_PURGE' => $this->u_action . '&amp;action=purge&amp;ext_name=' . $ext_name,
));
break;
break;
case 'purge':
if ($phpbb_extension_manager->purge_step($ext_name))
{
$template->assign_var('S_NEXT_STEP', true);
meta_refresh(0, $this->u_action . '&amp;action=purge&amp;ext_name=' . $ext_name);
}
@ -132,12 +153,8 @@ class acp_extensions
break;*/
case 'details':
$md_manager = new phpbb_extension_metadata_manager($ext_name, $db, $phpbb_extension_manager, $phpbb_root_path, ".$phpEx", $template);
if ($md_manager->get_metadata('all', true) === false)
{
trigger_error('EXTENSION_INVALID');
}
// Output it to the template
$md_manager->output_template_data();
$this->tpl_name = 'acp_ext_details';
break;
@ -146,7 +163,7 @@ class acp_extensions
/**
* Lists all the enabled extensions and dumps to the template
*
*
* @param $phpbb_extension_manager An instance of the extension manager
* @param $template An instance of the template engine
* @return null
@ -156,7 +173,7 @@ class acp_extensions
foreach ($phpbb_extension_manager->all_enabled() as $name => $location)
{
$md_manager = $phpbb_extension_manager->get_extension_metadata($name, $template);
$template->assign_block_vars('enabled', array(
'EXT_NAME' => $md_manager->get_metadata('display-name'),
@ -169,7 +186,7 @@ class acp_extensions
/**
* Lists all the disabled extensions and dumps to the template
*
*
* @param $phpbb_extension_manager An instance of the extension manager
* @param $template An instance of the template engine
* @return null
@ -179,7 +196,7 @@ class acp_extensions
foreach ($phpbb_extension_manager->all_disabled() as $name => $location)
{
$md_manager = $phpbb_extension_manager->get_extension_metadata($name, $template);
$template->assign_block_vars('disabled', array(
'EXT_NAME' => $md_manager->get_metadata('display-name'),
@ -193,7 +210,7 @@ class acp_extensions
/**
* Lists all the available extensions and dumps to the template
*
*
* @param $phpbb_extension_manager An instance of the extension manager
* @param $template An instance of the template engine
* @return null

7
phpBB/includes/extension/manager.php
View file

@ -23,6 +23,7 @@ if (!defined('IN_PHPBB'))
class phpbb_extension_manager
{
protected $db;
protected $config;
protected $cache;
protected $php_ext;
protected $extensions;
@ -34,16 +35,18 @@ class phpbb_extension_manager
* Creates a manager and loads information from database
*
* @param dbal $db A database connection
* @param phpbb_config $config phpbb_config
* @param string $extension_table The name of the table holding extensions
* @param string $phpbb_root_path Path to the phpbb includes directory.
* @param string $php_ext php file extension
* @param phpbb_cache_driver_interface $cache A cache instance or null
* @param string $cache_name The name of the cache variable, defaults to _ext
*/
public function __construct(dbal $db, $extension_table, $phpbb_root_path, $php_ext = '.php', phpbb_cache_driver_interface $cache = null, $cache_name = '_ext')
public function __construct(dbal $db, phpbb_config $config, $extension_table, $phpbb_root_path, $php_ext = '.php', phpbb_cache_driver_interface $cache = null, $cache_name = '_ext')
{
$this->phpbb_root_path = $phpbb_root_path;
$this->db = $db;
$this->config = $config;
$this->cache = $cache;
$this->php_ext = $php_ext;
$this->extension_table = $extension_table;
@ -130,7 +133,7 @@ class phpbb_extension_manager
*/
public function get_extension_metadata($name, phpbb_template $template)
{
return new phpbb_extension_metadata_manager($name, $this->db, $this, $this->phpbb_root_path, $this->phpEx, $template);
return new phpbb_extension_metadata_manager($name, $this->db, $this, $this->phpbb_root_path, $this->php_ext, $template, $this->config);
}
/**

310
phpBB/includes/extension/metadata_manager.php
View file

@ -31,18 +31,71 @@ class phpbb_extension_metadata_manager
public $metadata;
protected $metadata_file;
/**
* Array of validation regular expressions, see __call()
*
* @var mixed
*/
protected $validation = array(
'name' => '#^[a-zA-Z0-9_\x7f-\xff]{2,}/[a-zA-Z0-9_\x7f-\xff]{2,}$#',
'type' => '#^phpbb3-extension$#',
'description' => '#.*#',
'version' => '#.+#',
'licence' => '#.+#',
'extra' => array(
'display-name' => '#.*#',
),
);
/**
* Magic method to catch validation calls
*
* @param string $name
* @param mixed $arguments
* @return int
*/
public function __call($name, $arguments)
{
// Validation Magic methods
if (strpos($name, 'validate_') === 0)
{
// Remove validate_
$name = substr($name, 9);
// Replace underscores with dashes (underscores are not used)
$name = str_replace('_', '-', $name);
if (strpos($name, 'extra-') === 0)
{
// Remove extra_
$name = substr($name, 6);
if (isset($this->validation['extra'][$name]))
{
// Extra means it's optional, so return true if it does not exist
return (isset($this->metadata['extra'][$name])) ? preg_match($this->validation['extra'][$name], $this->metadata['extra'][$name]) : true;
}
}
else if (isset($this->validation[$name]))
{
return preg_match($this->validation[$name], $this->metadata[$name]);
}
}
}
/**
* Creates the metadata manager
*
*
* @param dbal $db A database connection
* @param string $extension_manager An instance of the phpbb extension manager
* @param string $phpbb_root_path Path to the phpbb includes directory.
* @param string $phpEx php file extension
*/
public function __construct($ext_name, dbal $db, phpbb_extension_manager $extension_manager, $phpbb_root_path, $phpEx = '.php', phpbb_template $template)
public function __construct($ext_name, dbal $db, phpbb_extension_manager $extension_manager, $phpbb_root_path, $phpEx = '.php', phpbb_template $template, phpbb_config $config)
{
$this->phpbb_root_path = $phpbb_root_path;
$this->db = $db;
$this->config = $config;
$this->phpEx = $phpEx;
$this->template = $template;
$this->extension_manager = $extension_manager;
@ -53,12 +106,11 @@ class phpbb_extension_metadata_manager
/**
* Processes and gets the metadata requested
*
* @param string $element All for all metadata that it has and is valid, otherwise specify which section you want by its shorthand term.
* @param boolean $template_output True if you want the requested metadata assigned to template vars (only works on the 'all" case
* @return array Contains all of the requested metadata
*
* @param string $element All for all metadata that it has and is valid, otherwise specify which section you want by its shorthand term.
* @return bool|array Contains all of the requested metadata or bool False if not valid
*/
public function get_metadata($element = 'all', $template_output = false)
public function get_metadata($element = 'all')
{
// TODO: Check ext_name exists and is an extension that exists
if (!$this->set_metadata_file())
@ -66,34 +118,37 @@ class phpbb_extension_metadata_manager
return false;
}
// Fetch the metadata
if (!$this->fetch_metadata())
{
return false;
}
switch ($element)
// Clean the metadata
if (!$this->clean_metadata_array())
{
return false;
}
switch ($element)
{
case 'all':
default:
if (!$this->clean_metadata_array())
// Validate the metadata
if (!$this->validate_metadata_array())
{
return false;
}
if ($template_output)
{
$this->output_template_data();
}
return $this->metadata;
break;
case 'name':
return ($this->validate_name()) ? $this->metadata['name'] : false;
break;
case 'display-name':
if ($this->validate_extra_display_name())
if (isset($this->metadata['extra']['display-name']) && $this->validate_extra_display_name())
{
return $this->metadata['extra']['display-name'];
}
@ -108,7 +163,7 @@ class phpbb_extension_metadata_manager
/**
* Sets the filepath of the metadata file
*
*
* @return boolean Set to true if it exists
*/
private function set_metadata_file()
@ -129,19 +184,41 @@ class phpbb_extension_metadata_manager
}
/**
* This array handles the validation and cleaning of the array
*
* @return array Contains the cleaned and validated metadata array
* Gets the contents of the composer.json file
*
* @return bool True of false (if loading succeeded or failed)
*/
private function clean_metadata_array()
{
if (!$this->validate_name() || !$this->validate_type() || !$this->validate_licence() || !$this->validate_description() || !$this->validate_version() || !$this->validate_require_phpbb() || !$this->validate_extra_display_name())
private function fetch_metadata()
{
if (!file_exists($this->metadata_file))
{
return false;
}
$this->check_for_optional(true);
else
{
if (!($file_contents = file_get_contents($this->metadata_file)))
{
return false;
}
if (($metadata = json_decode($file_contents, true)) === NULL)
{
return false;
}
$this->metadata = $metadata;
return true;
}
}
/**
* This array handles the validation and cleaning of the array
*
* @return array Contains the cleaned and validated metadata array
*/
private function clean_metadata_array()
{
// TODO: Remove all parts of the array we don't want or shouldn't be there due to nub mod authors
// $this->metadata = $metadata_finished;
@ -149,102 +226,114 @@ class phpbb_extension_metadata_manager
}
/**
* Validates the contents of the name field
*
* @return boolean True when passes validation
* This array handles the validation of strings
*
* @return bool True if validation succeeded, False if failed
*/
private function validate_name()
public function validate_metadata_array()
{
return preg_match('#^[a-zA-Z0-9_\x7f-\xff]{2,}/[a-zA-Z0-9_\x7f-\xff]{2,}$#', $this->metadata['name']);
$validate = array(
'name',
'type',
'licence',
'description',
'version',
'extra_display-name',
);
foreach ($validate as $type)
{
$type = 'validate_' . $type;
if (!$this->$type())
{
return false;
}
}
return true;
}
/**
* Validates the contents of the type field
*
* @return boolean True when passes validation
* This array handles the verification that this extension can be enabled on this board
*
* @return bool True if validation succeeded, False if failed
*/
private function validate_type()
public function validate_enable()
{
return $this->metadata['type'] == 'phpbb3-extension';
$validate = array(
'require_phpbb',
'require_php',
);
foreach ($validate as $type)
{
$type = 'validate_' . $type;
if (!$this->$type())
{
return false;
}
}
return true;
}
/**
* Validates the contents of the description field
*
* @return boolean True when passes validation
*/
private function validate_description()
{
return true;//preg_match('#^{10,}$#', $this->metadata['description']);
}
/**
* Validates the contents of the version field
*
* @return boolean True when passes validation
*/
private function validate_version()
{
return preg_match('#^[0-9]{1,2}\.[0-9]{1,2}\.[0-9]{1,2}#', $this->metadata['version']);
}
/**
* Validates the contents of the license field
*
* @return boolean True when passes validation
*/
private function validate_licence()
{
// Nothing to validate except existence
return isset($this->metadata['licence']);
}
/**
* Validates the contents of the phpbb requirement field
*
*
* @return boolean True when passes validation
*/
private function validate_require_phpbb()
{
return (preg_match('#^[0-9]{1,2}\.[0-9]{1,2}\.[0-9]{1,2}$#', $this->metadata['require']['phpbb']) && version_compare($this->metadata['require']['phpbb'], '3.1.0', '>='));
}
/**
* Validates the contents of the display name field
*
* @return boolean True when passes validation
*/
private function validate_extra_display_name()
{
return true;//preg_match('#^[a-zA-Z0-9_]{2,0}$#', $this->metadata['name']);
}
/**
* Checks which optional fields exist
*
* @return boolean False if any that exist fail validation, otherwise true.
*/
public function check_for_optional()
{
if ((isset($this->metadata['require']['php']) && !$this->validate_require_php()) || (isset($this->metadata['time']) && !$this->validate_time()) || (isset($this->metadata['validate_homepage']) && !$this->validate_homepage()))
if (!isset($this->metadata['require']['phpbb']))
{
return false;
return true;
}
return $this->_validate_version($this->metadata['require']['phpbb'], $this->config['version']);
}
/**
* Validates the contents of the php requirement field
*
*
* @return boolean True when passes validation
*/
private function validate_require_php()
{
return (preg_match('#^[0-9]{1,2}\.[0-9]{1,2}\.[0-9]{1,2}$#', $this->metadata['require']['php']) && version_compare($this->metadata['require']['php'], phpversion(), '>='));
if (!isset($this->metadata['require']['php']))
{
return true;
}
return $this->_validate_version($this->metadata['require']['php'], phpversion());
}
/**
* Version validation helper
*
* @param string $string The string for comparing to a version
* @param string $current_version The version to compare to
* @return bool True/False if meets version requirements
*/
private function _validate_version($string, $current_version)
{
// Allow them to specify their own comparison operator (ex: <3.1.2, >=3.1.0)
$comparison_matches = false;
preg_match('#[=<>]+#', $string, $comparison_matches);
if (!empty($comparison_matches))
{
return version_compare($current_version, str_replace(array($comparison_matches[0], ' '), '', $string), $comparison_matches[0]);
}
return version_compare($current_version, $string, '>=');
}
/**
* Validates the contents of the time field
*
*
* @return boolean True when passes validation
*/
private function validate_time()
@ -255,7 +344,7 @@ class phpbb_extension_metadata_manager
/**
* Validates the contents of the homepage field
*
*
* @return boolean True when passes validation
*/
private function validate_homepage()
@ -265,7 +354,7 @@ class phpbb_extension_metadata_manager
/**
* Validates the contents of the authors field
*
*
* @return boolean True when passes validation
*/
private function validate_authors()
@ -291,38 +380,9 @@ class phpbb_extension_metadata_manager
return true;
}
/**
* Gets the contents of the composer.json file
*
* @return bool True of false (if loading succeeded or failed)
*/
private function fetch_metadata()
{
if (!file_exists($this->metadata_file))
{
return false;
}
else
{
if (!($file_contents = file_get_contents($this->metadata_file)))
{
return false;
}
if (($metadata = json_decode($file_contents, true)) === NULL)
{
return false;
}
$this->metadata = $metadata;
return true;
}
}
/**
* Outputs the metadata into the template
*
*
* @return null
*/
public function output_template_data()
@ -350,7 +410,7 @@ class phpbb_extension_metadata_manager
'AUTHOR_ROLE' => (isset($author['role'])) ? htmlspecialchars($author['role']) : '',
));
}
return;
}
}

4
phpBB/install/database_update.php
View file

@ -683,12 +683,12 @@ function _write_result($no_updates, $errored, $error_ary)
function _add_modules($modules_to_install)
{
global $phpbb_root_path, $phpEx, $db, $phpbb_extension_manager;
global $phpbb_root_path, $phpEx, $db, $phpbb_extension_manager, $config;
// modules require an extension manager
if (empty($phpbb_extension_manager))
{
$phpbb_extension_manager = new phpbb_extension_manager($db, EXT_TABLE, $phpbb_root_path, ".$phpEx");
$phpbb_extension_manager = new phpbb_extension_manager($db, $config, EXT_TABLE, $phpbb_root_path, ".$phpEx");
}
include_once($phpbb_root_path . 'includes/acp/acp_modules.' . $phpEx);

6
phpBB/install/install_install.php
View file

@ -250,7 +250,7 @@ class install_install extends module
'S_EXPLAIN' => true,
'S_LEGEND' => false,
));
// Check for php json support
if (@extension_loaded('json'))
{
@ -1481,12 +1481,12 @@ class install_install extends module
*/
function add_modules($mode, $sub)
{
global $db, $lang, $phpbb_root_path, $phpEx, $phpbb_extension_manager;
global $db, $lang, $phpbb_root_path, $phpEx, $phpbb_extension_manager, $config;
// modules require an extension manager
if (empty($phpbb_extension_manager))
{
$phpbb_extension_manager = new phpbb_extension_manager($db, EXT_TABLE, $phpbb_root_path, ".$phpEx");
$phpbb_extension_manager = new phpbb_extension_manager($db, $config, EXT_TABLE, $phpbb_root_path, ".$phpEx");
}
include_once($phpbb_root_path . 'includes/acp/acp_modules.' . $phpEx);

41
phpBB/language/en/acp/extensions.php
View file

@ -1,11 +1,11 @@
<?php
/**
/**
*
* acp_extensions [English]
*
* @package language
* @copyright (c) 2012 phpBB Group
* @license http://opensource.org/licenses/gpl-2.0.php GNU Public License
* @copyright (c) 2012 phpBB Group
* @license http://opensource.org/licenses/gpl-2.0.php GNU Public License
*
*/
/**
@ -23,7 +23,7 @@ if (empty($lang) || !is_array($lang))
$lang = array();
}
// DEVELOPERS PLEASE NOTE
// DEVELOPERS PLEASE NOTE
//
// Placeholders can now contain order information, e.g. instead of
// 'Page %s of %s' you can (and should) write 'Page %1$s of %2$s', this allows
@ -35,11 +35,12 @@ if (empty($lang) || !is_array($lang))
$lang = array_merge($lang, array(
'EXTENSION' => 'Extension',
'EXTENSIONS' => 'Extensions',
'EXTENSIONS_ADMIN' => 'Extensions Manager',
'EXTENSIONS_EXPLAIN' => 'The Extensions Manager is a tool in your phpBB Board which allows you to manage all of your extensions statuses and view information about them.',
'EXTENSION_INVALID' => 'The selected extension is not valid.',
'EXTENSION' => 'Extension',
'EXTENSIONS' => 'Extensions',
'EXTENSIONS_ADMIN' => 'Extensions Manager',
'EXTENSIONS_EXPLAIN' => 'The Extensions Manager is a tool in your phpBB Board which allows you to manage all of your extensions statuses and view information about them.',
'EXTENSION_INVALID' => 'The selected extension is not valid.',
'EXTENSION_NOT_AVAILABLE' => 'The selected extension is not available for this board, please verify your phpBB and PHP versions are allowed (see the details page).',
'DETAILS' => 'Details',
@ -63,27 +64,27 @@ $lang = array_merge($lang, array(
'DISABLE_IN_PROGRESS' => 'The extension is currently being disabled, please do not leave this page or refresh until it is completed.',
'ENABLE_IN_PROGRESS' => 'The extension is currently being installed, please do not leave this page or refresh until it is completed.',
'PURGE_IN_PROGRESS' => 'The extension is currently being purged, please do not leave this page or refresh until it is completed.',
'ENABLE_SUCCESS' => 'The extension was enabled successfully',
'ENABLE_SUCCESS' => 'The extension was enabled successfully',
'DISABLE_SUCCESS' => 'The extension was disabled successfully',
'PURGE_SUCCESS' => 'The extension was purged successfully',
'DELETE_SUCCESS' => 'The extension was deleted successfully',
'DELETE_SUCCESS' => 'The extension was deleted successfully',
'ENABLE_FAIL' => 'The extension could not be enabled',
'DISABLE_FAIL' => 'The extension could not be disabled',
'PURGE_FAIL' => 'The extension could not be purged',
'DELETE_FAIL' => 'The extension could not be deleted',
'EXTENSION_NAME' => 'Extension Name',
'EXTENSION_ACTIONS' => 'Actions',
'EXTENSION_OPTIONS' => 'Options',
'EXTENSION_NAME' => 'Extension Name',
'EXTENSION_ACTIONS' => 'Actions',
'EXTENSION_OPTIONS' => 'Options',
'ENABLE_CONFIRM' => 'Are you sure that you wish to enable this extension?',
'DISABLE_CONFIRM' => 'Are you sure that you wish to disable this extension?',
'PURGE_CONFIRM' => 'Are you sure that you wish to purge this extension&#39;s data? This cannot be undone.',
'DELETE_CONFIRM' => 'Are you sure that you wish to data this extension&#39;s files and clear its data? This cannot be undone.',
'ENABLE_CONFIRM' => 'Are you sure that you wish to enable this extension?',
'DISABLE_CONFIRM' => 'Are you sure that you wish to disable this extension?',
'PURGE_CONFIRM' => 'Are you sure that you wish to purge this extension&#39;s data? This cannot be undone.',
'DELETE_CONFIRM' => 'Are you sure that you wish to data this extension&#39;s files and clear its data? This cannot be undone.',
'WARNING' => 'Warning',
'RETURN' => 'Return',
'WARNING' => 'Warning',
'RETURN' => 'Return',
'EXT_DETAILS' => 'Extension Details',
'DISPLAY_NAME' => 'Display Name',