Add a dependencies check apps

apps/dependencies_chk/appinfo/app.php

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+<?php
+$l=new OC_L10N('dependencies_chk');
+
+OC_App::register( array( 
+  'order' => 14,
+  'id' => 'dependencies_chk',
+  'name' => 'Owncloud Install Info' ));
+
+OC_APP::registerAdmin('dependencies_chk','settings');

apps/dependencies_chk/appinfo/info.xml

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+<?xml version="1.0"?> 
+<info>
+	<id>dependencies_chk</id>
+	<name>Owncloud dependencies info</name>
+	<version>0.01</version>
+	<licence>MIT</licence>
+	<author>Brice Maron (eMerzh)</author>
+	<require>2</require>
+	<description>Display OwnCloud's dependencies informations (missings modules, ...)</description>
+	<default_enable/>
+</info>

apps/dependencies_chk/css/style.css

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+#status_list legend { font-weight: bold; color: #888888; }
+.state > li { margin-bottom: 3px; padding-left: 0.5em; list-style-type: circle; }
+.state .state_module {  font-weight:bold; text-shadow: 0 1px 0 #DDD; cursor:help;}
+
+.state_used ul,  .state_used li { display:inline;   }
+
+.state_ok .state_module	{ color: #009700; }
+.state_warning .state_module	{ color: #FF9B29; }
+.state_error .state_module	{ color: #FF3B3B; }

apps/dependencies_chk/settings.php

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+<?php
+
+/**
+ * ownCloud - user_ldap
+ *
+ * @author Brice Maron
+ * @copyright 2011 Brice Maron brice __from__ bmaron _DOT_ net
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU AFFERO GENERAL PUBLIC LICENSE
+ * License as published by the Free Software Foundation; either
+ * version 3 of the License, or any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU AFFERO GENERAL PUBLIC LICENSE for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public
+ * License along with this library.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ */
+$l=new OC_L10N('dependencies_chk');
+$tmpl = new OC_Template( 'dependencies_chk', 'settings');
+
+$modules = array();
+
+//Possible status are : ok, error, warning
+$modules[] =array(
+	'status' => function_exists('json_encode') ? 'ok' : 'error',
+	'part'=> 'php-json',
+	'modules'=> array('core'),
+	'message'=> $l->t('The php-json module is needed by the many application for inter communications'));
+
+$modules[] =array(
+	'status' => function_exists('curl_init') ? 'ok' : 'error',
+	'part'=> 'php-curl',
+	'modules'=> array('bookmarks'),
+	'message'=> $l->t('The php-curl modude is needed to fetch the page title when adding a bookmarks'));
+
+$modules[] =array(
+	'status' => function_exists('imagepng') ? 'ok' : 'error',
+	'part'=> 'php-gd',
+	'modules'=> array('gallery'),
+	'message'=> $l->t('The php-gd module is needed to create thumbnails of your images'));
+
+$modules[] =array(
+	'status' => OC_Helper::canExecute("mp3info") ? 'ok' : 'warning',
+	'part'=> 'mp3info',
+	'modules'=> array('media'),
+	'message'=> $l->t('The program mp3info is useful to discover ID3 tags of your music files'));
+
+$modules[] =array(
+	'status' => OC_Helper::canExecute("ldap_bind") ? 'ok' : 'error',
+	'part'=> 'php-ldap',
+	'modules'=> array('user_ldap'),
+	'message'=> $l->t('The php-ldap module is needed connect to your ldap server'));
+
+$modules[] =array(
+	'status' => class_exists('ZipArchive') ? 'ok' : 'warning',
+	'part'=> 'php-zip',
+	'modules'=> array('admin_export','core'),
+	'message'=> $l->t('The php-zip module is needed download multiple files at once'));
+
+$modules[] =array(
+	'status' => function_exists('mb_detect_encoding') ? 'ok' : 'error',
+	'part'=> 'php-mb_multibyte ',
+	'modules'=> array('core'),
+	'message'=> $l->t('The php-mb_multibyte module is needed to manage correctly the encoding.'));
+
+$modules[] =array(
+	'status' => function_exists('ctype_digit') ? 'ok' : 'error',
+	'part'=> 'php-ctype',
+	'modules'=> array('core'),
+	'message'=> $l->t('The php-ctype module is needed validate data.'));
+
+
+foreach($modules as $key => $module) {
+	$enabled = false ;
+	foreach($module['modules'] as $app) {
+		if(OC_App::isEnabled($app) || $app=='core'){
+				$enabled = true;
+		}
+	}
+	if($enabled == false) unset($modules[$key]);
+}
+
+OC_UTIL::addStyle('dependencies_chk', 'style');
+$tmpl->assign( 'items', $modules );
+
+return $tmpl->fetchPage();

apps/dependencies_chk/templates/settings.php

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+<fieldset id="status_list" class="personalblock">
+	<legend><?php echo $l->t('Dependencies status');?></legend>
+	<ul class="state">
+		<?php foreach($_['items'] as $item):?>
+			<li class="state_<?php echo $item['status'];?>">
+				<span class="state_module" title="<?php echo $item['message'];?>"><?php echo $item['part'];?></span>
+				<div class="state_used"><?php echo $l->t('Used by :');?>
+					<ul>
+						<?php foreach($item['modules'] as $module):?>
+							<li><?php echo $module;?></li>
+						<?php endforeach;?>
+					</ul>
+			</li>
+		<?php endforeach;?>
+	</ul>
+</fieldset>