nextcloud/lib/private/app.php

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<?php
/**
* ownCloud
*
* @author Frank Karlitschek
* @author Jakob Sack
* @copyright 2012 Frank Karlitschek frank@owncloud.org
*
* 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/>.
*
*/
/**
* This class manages the apps. It allows them to register and integrate in the
* owncloud ecosystem. Furthermore, this class is responsible for installing,
* upgrading and removing apps.
*/
class OC_App {
static private $settingsForms = array();
static private $adminForms = array();
static private $personalForms = array();
static private $appInfo = array();
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static private $appTypes = array();
static private $loadedApps = array();
static private $checkedApps = array();
static private $altLogin = array();
/**
* clean the appid
* @param string|boolean $app Appid that needs to be cleaned
* @return string
*/
public static function cleanAppId($app) {
return str_replace(array('\0', '/', '\\', '..'), '', $app);
}
/**
* loads all apps
* @param array $types
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* @return bool
*
* This function walks through the owncloud directory and loads all apps
* it can find. A directory contains an app if the file /appinfo/app.php
* exists.
*
* if $types is set, only apps of those types will be loaded
*/
public static function loadApps($types = null) {
// Load the enabled apps here
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$apps = self::getEnabledApps();
// prevent app.php from printing output
ob_start();
foreach ($apps as $app) {
if ((is_null($types) or self::isType($app, $types)) && !in_array($app, self::$loadedApps)) {
self::$loadedApps[] = $app;
self::loadApp($app);
}
}
ob_end_clean();
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return true;
}
/**
* load a single app
*
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* @param string $app
*/
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public static function loadApp($app) {
if (is_file(self::getAppPath($app) . '/appinfo/app.php')) {
self::checkUpgrade($app);
require_once $app . '/appinfo/app.php';
}
}
/**
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* check if an app is of a specific type
*
* @param string $app
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* @param string|array $types
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* @return bool
*/
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public static function isType($app, $types) {
if (is_string($types)) {
$types = array($types);
}
$appTypes = self::getAppTypes($app);
foreach ($types as $type) {
if (array_search($type, $appTypes) !== false) {
return true;
}
}
return false;
}
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/**
* get the types of an app
*
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* @param string $app
* @return array
*/
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private static function getAppTypes($app) {
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//load the cache
if (count(self::$appTypes) == 0) {
self::$appTypes = OC_Appconfig::getValues(false, 'types');
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}
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if (isset(self::$appTypes[$app])) {
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return explode(',', self::$appTypes[$app]);
} else {
return array();
}
}
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/**
* read app types from info.xml and cache them in the database
*/
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public static function setAppTypes($app) {
$appData = self::getAppInfo($app);
if (isset($appData['types'])) {
$appTypes = implode(',', $appData['types']);
} else {
$appTypes = '';
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}
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OC_Appconfig::setValue($app, 'types', $appTypes);
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}
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/**
* check if app is shipped
*
* @param string $appid the id of the app to check
* @return bool
*
* Check if an app that is installed is a shipped app or installed from the appstore.
*/
public static function isShipped($appid) {
$info = self::getAppInfo($appid);
if (isset($info['shipped']) && $info['shipped'] == 'true') {
return true;
} else {
return false;
}
}
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/**
* get all enabled apps
*/
private static $enabledAppsCache = array();
public static function getEnabledApps($forceRefresh = false) {
if (!OC_Config::getValue('installed', false)) {
return array();
}
if (!$forceRefresh && !empty(self::$enabledAppsCache)) {
return self::$enabledAppsCache;
}
$appConfig = \OC::$server->getAppConfig();
$appStatus = $appConfig->getValues(false, 'enabled');
$apps = array();
foreach ($appStatus as $app => $enabled) {
if ($enabled === 'yes') {
$apps[] = $app;
} else if ($enabled !== 'no') {
$user = \OC_User::getUser();
$groups = json_decode($enabled);
if (is_array($groups)) {
foreach ($groups as $group) {
if (\OC_Group::inGroup($user, $group)) {
$apps[] = $app;
break;
}
}
}
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}
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}
self::$enabledAppsCache = $apps;
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return $apps;
}
/**
* checks whether or not an app is enabled
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* @param string $app app
* @return bool
*
* This function checks whether or not an app is enabled.
*/
public static function isEnabled($app) {
if ('files' == $app) {
return true;
}
$enabledApps = self::getEnabledApps();
return in_array($app, $enabledApps);
}
/**
* enables an app
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* @param mixed $app app
* @param array $groups (optional) when set, only these groups will have access to the app
* @throws \Exception
* @return void
*
* This function set an app as enabled in appconfig.
*/
public static function enable($app, $groups = null) {
self::$enabledAppsCache = array(); // flush
if (!OC_Installer::isInstalled($app)) {
// check if app is a shipped app or not. OCS apps have an integer as id, shipped apps use a string
if (!is_numeric($app)) {
$app = OC_Installer::installShippedApp($app);
} else {
$appdata = OC_OCSClient::getApplication($app);
$download = OC_OCSClient::getApplicationDownload($app, 1);
if (isset($download['downloadlink']) and $download['downloadlink'] != '') {
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// Replace spaces in download link without encoding entire URL
$download['downloadlink'] = str_replace(' ', '%20', $download['downloadlink']);
$info = array('source' => 'http', 'href' => $download['downloadlink'], 'appdata' => $appdata);
$app = OC_Installer::installApp($info);
}
}
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}
$l = OC_L10N::get('core');
if ($app !== false) {
// check if the app is compatible with this version of ownCloud
$info = OC_App::getAppInfo($app);
$version = OC_Util::getVersion();
if(!self::isAppCompatible($version, $info)) {
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throw new \Exception(
$l->t("App \"%s\" can't be installed because it is not compatible with this version of ownCloud.",
array($info['name'])
)
);
} else {
if (!is_null($groups)) {
OC_Appconfig::setValue($app, 'enabled', json_encode($groups));
}else{
OC_Appconfig::setValue($app, 'enabled', 'yes');
}
if (isset($appdata['id'])) {
OC_Appconfig::setValue($app, 'ocsid', $appdata['id']);
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}
\OC_Hook::emit('OC_App', 'post_enable', array('app' => $app));
}
} else {
throw new \Exception($l->t("No app name specified"));
}
}
/**
* disables an app
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* @param string $app app
* @return boolean|null
*
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* This function set an app as disabled in appconfig.
*/
public static function disable($app) {
self::$enabledAppsCache = array(); // flush
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// check if app is a shipped app or not. if not delete
\OC_Hook::emit('OC_App', 'pre_disable', array('app' => $app));
OC_Appconfig::setValue($app, 'enabled', 'no');
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// check if app is a shipped app or not. if not delete
if (!OC_App::isShipped($app)) {
OC_Installer::removeApp($app);
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}
}
/**
* adds an entry to the navigation
* @param array $data array containing the data
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* @return bool
*
* This function adds a new entry to the navigation visible to users. $data
* is an associative array.
* The following keys are required:
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* - id: unique id for this entry ('addressbook_index')
* - href: link to the page
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* - name: Human readable name ('Addressbook')
*
* The following keys are optional:
* - icon: path to the icon of the app
* - order: integer, that influences the position of your application in
* the navigation. Lower values come first.
*/
public static function addNavigationEntry($data) {
OC::$server->getNavigationManager()->add($data);
return true;
}
/**
* marks a navigation entry as active
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* @param string $id id of the entry
* @return bool
*
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* This function sets a navigation entry as active and removes the 'active'
* property from all other entries. The templates can use this for
* highlighting the current position of the user.
*/
public static function setActiveNavigationEntry($id) {
OC::$server->getNavigationManager()->setActiveEntry($id);
return true;
}
/**
* Get the navigation entries for the $app
* @param string $app app
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* @return array an array of the $data added with addNavigationEntry
*
* Warning: destroys the existing entries
*/
public static function getAppNavigationEntries($app) {
if (is_file(self::getAppPath($app) . '/appinfo/app.php')) {
OC::$server->getNavigationManager()->clear();
require $app . '/appinfo/app.php';
return OC::$server->getNavigationManager()->getAll();
}
return array();
}
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/**
* gets the active Menu entry
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* @return string id or empty string
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*
* This function returns the id of the active navigation entry (set by
* setActiveNavigationEntry
*/
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public static function getActiveNavigationEntry() {
return OC::$server->getNavigationManager()->getActiveEntry();
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}
/**
* Returns the Settings Navigation
* @return string
*
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* This function returns an array containing all settings pages added. The
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* entries are sorted by the key 'order' ascending.
*/
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public static function getSettingsNavigation() {
$l = OC_L10N::get('lib');
$settings = array();
// by default, settings only contain the help menu
if (OC_Util::getEditionString() === '' &&
OC_Config::getValue('knowledgebaseenabled', true) == true
) {
$settings = array(
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array(
"id" => "help",
"order" => 1000,
"href" => OC_Helper::linkToRoute("settings_help"),
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"name" => $l->t("Help"),
"icon" => OC_Helper::imagePath("settings", "help.svg")
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)
);
}
// if the user is logged-in
if (OC_User::isLoggedIn()) {
// personal menu
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$settings[] = array(
"id" => "personal",
"order" => 1,
"href" => OC_Helper::linkToRoute("settings_personal"),
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"name" => $l->t("Personal"),
"icon" => OC_Helper::imagePath("settings", "personal.svg")
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);
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// if there are some settings forms
if (!empty(self::$settingsForms)) {
// settings menu
$settings[] = array(
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"id" => "settings",
"order" => 1000,
"href" => OC_Helper::linkToRoute("settings_settings"),
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"name" => $l->t("Settings"),
"icon" => OC_Helper::imagePath("settings", "settings.svg")
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);
}
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//SubAdmins are also allowed to access user management
if (OC_SubAdmin::isSubAdmin(OC_User::getUser())) {
// admin users menu
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$settings[] = array(
"id" => "core_users",
"order" => 2,
"href" => OC_Helper::linkToRoute("settings_users"),
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"name" => $l->t("Users"),
"icon" => OC_Helper::imagePath("settings", "users.svg")
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);
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}
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// if the user is an admin
if (OC_User::isAdminUser(OC_User::getUser())) {
// admin settings
$settings[] = array(
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"id" => "admin",
"order" => 1000,
"href" => OC_Helper::linkToRoute("settings_admin"),
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"name" => $l->t("Admin"),
"icon" => OC_Helper::imagePath("settings", "admin.svg")
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);
}
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}
$navigation = self::proceedNavigation($settings);
return $navigation;
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}
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// This is private as well. It simply works, so don't ask for more details
private static function proceedNavigation($list) {
$activeapp = OC::$server->getNavigationManager()->getActiveEntry();
foreach ($list as &$naventry) {
if ($naventry['id'] == $activeapp) {
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$naventry['active'] = true;
} else {
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$naventry['active'] = false;
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}
}
unset($naventry);
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usort($list, create_function('$a, $b', 'if( $a["order"] == $b["order"] ) {return 0;}elseif( $a["order"] < $b["order"] ) {return -1;}else{return 1;}'));
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return $list;
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}
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/**
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* Get the path where to install apps
*
* @return string
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*/
public static function getInstallPath() {
if (OC_Config::getValue('appstoreenabled', true) == false) {
return false;
}
foreach (OC::$APPSROOTS as $dir) {
if (isset($dir['writable']) && $dir['writable'] === true) {
return $dir['path'];
}
}
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OC_Log::write('core', 'No application directories are marked as writable.', OC_Log::ERROR);
return null;
}
protected static function findAppInDirectories($appid) {
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static $app_dir = array();
if (isset($app_dir[$appid])) {
return $app_dir[$appid];
}
foreach (OC::$APPSROOTS as $dir) {
if (file_exists($dir['path'] . '/' . $appid)) {
return $app_dir[$appid] = $dir;
}
}
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return false;
}
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/**
* Get the directory for the given app.
* If the app is defined in multiple directories, the first one is taken. (false if not found)
* @param string $appid
* @return string|false
*/
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public static function getAppPath($appid) {
if (($dir = self::findAppInDirectories($appid)) != false) {
return $dir['path'] . '/' . $appid;
}
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return false;
}
/**
* Get the path for the given app on the access
* If the app is defined in multiple directories, the first one is taken. (false if not found)
* @param string $appid
* @return string|false
*/
public static function getAppWebPath($appid) {
if (($dir = self::findAppInDirectories($appid)) != false) {
return OC::$WEBROOT . $dir['url'] . '/' . $appid;
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}
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return false;
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}
/**
* get the last version of the app, either from appinfo/version or from appinfo/info.xml
* @param string $appid
* @return string
*/
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public static function getAppVersion($appid) {
$file = self::getAppPath($appid) . '/appinfo/version';
if (is_file($file) && $version = trim(file_get_contents($file))) {
return $version;
} else {
$appData = self::getAppInfo($appid);
return isset($appData['version']) ? $appData['version'] : '';
}
}
/**
* Read all app metadata from the info.xml file
* @param string $appid id of the app or the path of the info.xml file
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* @param boolean $path (optional)
* @return array
* @note all data is read from info.xml, not just pre-defined fields
*/
public static function getAppInfo($appid, $path = false) {
if ($path) {
$file = $appid;
} else {
if (isset(self::$appInfo[$appid])) {
return self::$appInfo[$appid];
}
$file = self::getAppPath($appid) . '/appinfo/info.xml';
}
$data = array();
$content = @file_get_contents($file);
if (!$content) {
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return null;
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}
$xml = new SimpleXMLElement($content);
$data['info'] = array();
$data['remote'] = array();
$data['public'] = array();
foreach ($xml->children() as $child) {
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/**
* @var $child SimpleXMLElement
*/
if ($child->getName() == 'remote') {
foreach ($child->children() as $remote) {
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/**
* @var $remote SimpleXMLElement
*/
$data['remote'][$remote->getName()] = (string)$remote;
}
} elseif ($child->getName() == 'public') {
foreach ($child->children() as $public) {
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/**
* @var $public SimpleXMLElement
*/
$data['public'][$public->getName()] = (string)$public;
}
} elseif ($child->getName() == 'types') {
$data['types'] = array();
foreach ($child->children() as $type) {
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/**
* @var $type SimpleXMLElement
*/
$data['types'][] = $type->getName();
}
} elseif ($child->getName() == 'description') {
$xml = (string)$child->asXML();
$data[$child->getName()] = substr($xml, 13, -14); //script <description> tags
} elseif ($child->getName() == 'documentation') {
foreach ($child as $subchild) {
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$data["documentation"][$subchild->getName()] = (string)$subchild;
}
} else {
$data[$child->getName()] = (string)$child;
}
}
self::$appInfo[$appid] = $data;
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return $data;
}
/**
* Returns the navigation
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* @return array
*
* This function returns an array containing all entries added. The
* entries are sorted by the key 'order' ascending. Additional to the keys
* given for each app the following keys exist:
* - active: boolean, signals if the user is on this navigation entry
*/
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public static function getNavigation() {
$entries = OC::$server->getNavigationManager()->getAll();
$navigation = self::proceedNavigation($entries);
return $navigation;
}
/**
* get the id of loaded app
*
* @return string
*/
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public static function getCurrentApp() {
$script = substr(OC_Request::scriptName(), strlen(OC::$WEBROOT) + 1);
$topFolder = substr($script, 0, strpos($script, '/'));
if (empty($topFolder)) {
$path_info = OC_Request::getPathInfo();
if ($path_info) {
$topFolder = substr($path_info, 1, strpos($path_info, '/', 1) - 1);
}
}
if ($topFolder == 'apps') {
$length = strlen($topFolder);
return substr($script, $length + 1, strpos($script, '/', $length + 1) - $length - 1);
} else {
return $topFolder;
}
}
/**
* get the forms for either settings, admin or personal
*/
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public static function getForms($type) {
$forms = array();
switch ($type) {
case 'settings':
$source = self::$settingsForms;
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break;
case 'admin':
$source = self::$adminForms;
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break;
case 'personal':
$source = self::$personalForms;
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break;
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default:
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return array();
}
foreach ($source as $form) {
$forms[] = include $form;
}
return $forms;
}
/**
* register a settings form to be shown
*/
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public static function registerSettings($app, $page) {
self::$settingsForms[] = $app . '/' . $page . '.php';
}
/**
* register an admin form to be shown
*
* @param string $app
* @param string $page
*/
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public static function registerAdmin($app, $page) {
self::$adminForms[] = $app . '/' . $page . '.php';
}
/**
* register a personal form to be shown
*/
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public static function registerPersonal($app, $page) {
self::$personalForms[] = $app . '/' . $page . '.php';
}
public static function registerLogIn($entry) {
self::$altLogin[] = $entry;
}
public static function getAlternativeLogIns() {
return self::$altLogin;
}
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/**
* get a list of all apps in the apps folder
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* @return array an array of app names (string IDs)
* @todo: change the name of this method to getInstalledApps, which is more accurate
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*/
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public static function getAllApps() {
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$apps = array();
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foreach (OC::$APPSROOTS as $apps_dir) {
if (!is_readable($apps_dir['path'])) {
OC_Log::write('core', 'unable to read app folder : ' . $apps_dir['path'], OC_Log::WARN);
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continue;
}
$dh = opendir($apps_dir['path']);
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if (is_resource($dh)) {
while (($file = readdir($dh)) !== false) {
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if ($file[0] != '.' and is_file($apps_dir['path'] . '/' . $file . '/appinfo/app.php')) {
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$apps[] = $file;
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}
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}
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}
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}
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return $apps;
}
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/**
* Lists all apps, this is used in apps.php
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* @return array
*/
public static function listAllApps() {
$installedApps = OC_App::getAllApps();
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//TODO which apps do we want to blacklist and how do we integrate
// blacklisting with the multi apps folder feature?
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$blacklist = array('files'); //we dont want to show configuration for these
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$appList = array();
foreach ($installedApps as $app) {
if (array_search($app, $blacklist) === false) {
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$info = OC_App::getAppInfo($app);
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if (!isset($info['name'])) {
OC_Log::write('core', 'App id "' . $app . '" has no name in appinfo', OC_Log::ERROR);
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continue;
}
$enabled = OC_Appconfig::getValue($app, 'enabled', 'no');
$info['groups'] = null;
if ($enabled === 'yes') {
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$active = true;
} else if($enabled === 'no') {
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$active = false;
} else {
$active = true;
$info['groups'] = $enabled;
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}
$info['active'] = $active;
if (isset($info['shipped']) and ($info['shipped'] == 'true')) {
$info['internal'] = true;
$info['internallabel'] = 'Internal App';
$info['internalclass'] = '';
$info['update'] = false;
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} else {
$info['internal'] = false;
$info['internallabel'] = '3rd Party';
$info['internalclass'] = 'externalapp';
$info['update'] = OC_Installer::isUpdateAvailable($app);
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}
$info['preview'] = OC_Helper::imagePath('settings', 'trans.png');
$info['version'] = OC_App::getAppVersion($app);
$appList[] = $info;
}
}
$remoteApps = OC_App::getAppstoreApps();
if ($remoteApps) {
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// Remove duplicates
foreach ($appList as $app) {
foreach ($remoteApps AS $key => $remote) {
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if (
$app['name'] == $remote['name']
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// To set duplicate detection to use OCS ID instead of string name,
// enable this code, remove the line of code above,
// and add <ocs_id>[ID]</ocs_id> to info.xml of each 3rd party app:
// OR $app['ocs_id'] == $remote['ocs_id']
) {
unset($remoteApps[$key]);
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}
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}
}
$combinedApps = array_merge($appList, $remoteApps);
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} else {
$combinedApps = $appList;
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}
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// bring the apps into the right order with a custom sort funtion
usort($combinedApps, '\OC_App::customSort');
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return $combinedApps;
}
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/**
* Internal custom sort funtion to bring the app into the right order. Should only be called by listAllApps
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* @return array
*/
private static function customSort($a, $b) {
// prio 1: active
if ($a['active'] != $b['active']) {
return $b['active'] - $a['active'];
}
// prio 2: shipped
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$ashipped = (array_key_exists('shipped', $a) && $a['shipped'] === 'true') ? 1 : 0;
$bshipped = (array_key_exists('shipped', $b) && $b['shipped'] === 'true') ? 1 : 0;
if ($ashipped !== $bshipped) {
return ($bshipped - $ashipped);
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}
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// prio 3: recommended
if ($a['internalclass'] != $b['internalclass']) {
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$atemp = ($a['internalclass'] == 'recommendedapp' ? 1 : 0);
$btemp = ($b['internalclass'] == 'recommendedapp' ? 1 : 0);
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return ($btemp - $atemp);
}
// prio 4: alphabetical
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return strcasecmp($a['name'], $b['name']);
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}
/**
* get a list of all apps on apps.owncloud.com
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* @return array, multi-dimensional array of apps.
* Keys: id, name, type, typename, personid, license, detailpage, preview, changed, description
*/
public static function getAppstoreApps($filter = 'approved') {
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$categoryNames = OC_OCSClient::getCategories();
if (is_array($categoryNames)) {
// Check that categories of apps were retrieved correctly
if (!$categories = array_keys($categoryNames)) {
return false;
}
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$page = 0;
$remoteApps = OC_OCSClient::getApplications($categories, $page, $filter);
$app1 = array();
$i = 0;
foreach ($remoteApps as $app) {
$app1[$i] = $app;
$app1[$i]['author'] = $app['personid'];
$app1[$i]['ocs_id'] = $app['id'];
$app1[$i]['internal'] = $app1[$i]['active'] = 0;
$app1[$i]['update'] = false;
if ($app['label'] == 'recommended') {
$app1[$i]['internallabel'] = 'Recommended';
$app1[$i]['internalclass'] = 'recommendedapp';
} else {
$app1[$i]['internallabel'] = '3rd Party';
$app1[$i]['internalclass'] = 'externalapp';
}
// rating img
if ($app['score'] >= 0 and $app['score'] < 5) $img = OC_Helper::imagePath("core", "rating/s1.png");
elseif ($app['score'] >= 5 and $app['score'] < 15) $img = OC_Helper::imagePath("core", "rating/s2.png");
elseif ($app['score'] >= 15 and $app['score'] < 25) $img = OC_Helper::imagePath("core", "rating/s3.png");
elseif ($app['score'] >= 25 and $app['score'] < 35) $img = OC_Helper::imagePath("core", "rating/s4.png");
elseif ($app['score'] >= 35 and $app['score'] < 45) $img = OC_Helper::imagePath("core", "rating/s5.png");
elseif ($app['score'] >= 45 and $app['score'] < 55) $img = OC_Helper::imagePath("core", "rating/s6.png");
elseif ($app['score'] >= 55 and $app['score'] < 65) $img = OC_Helper::imagePath("core", "rating/s7.png");
elseif ($app['score'] >= 65 and $app['score'] < 75) $img = OC_Helper::imagePath("core", "rating/s8.png");
elseif ($app['score'] >= 75 and $app['score'] < 85) $img = OC_Helper::imagePath("core", "rating/s9.png");
elseif ($app['score'] >= 85 and $app['score'] < 95) $img = OC_Helper::imagePath("core", "rating/s10.png");
elseif ($app['score'] >= 95 and $app['score'] < 100) $img = OC_Helper::imagePath("core", "rating/s11.png");
$app1[$i]['score'] = '<img src="' . $img . '"> Score: ' . $app['score'] . '%';
$i++;
}
}
if (empty($app1)) {
return false;
} else {
return $app1;
}
}
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/**
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* check if the app needs updating and update when needed
*
* @param string $app
*/
public static function checkUpgrade($app) {
if (in_array($app, self::$checkedApps)) {
return;
}
self::$checkedApps[] = $app;
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$versions = self::getAppVersions();
$currentVersion = OC_App::getAppVersion($app);
if ($currentVersion) {
$installedVersion = $versions[$app];
if (version_compare($currentVersion, $installedVersion, '>')) {
$info = self::getAppInfo($app);
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OC_Log::write($app,
'starting app upgrade from ' . $installedVersion . ' to ' . $currentVersion,
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OC_Log::DEBUG);
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try {
OC_App::updateApp($app);
OC_Hook::emit('update', 'success', 'Updated ' . $info['name'] . ' app');
} catch (Exception $e) {
OC_Hook::emit('update', 'failure', 'Failed to update ' . $info['name'] . ' app: ' . $e->getMessage());
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$l = OC_L10N::get('lib');
throw new RuntimeException($l->t('Failed to upgrade "%s".', array($app)), 0, $e);
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}
OC_Appconfig::setValue($app, 'installed_version', OC_App::getAppVersion($app));
}
}
}
/**
* check if the current enabled apps are compatible with the current
* ownCloud version. disable them if not.
* This is important if you upgrade ownCloud and have non ported 3rd
* party apps installed.
*
* @param array $apps optional app id list to check, uses all enabled apps
* when not specified
*
* @return array containing the list of ids of the disabled apps
*/
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public static function checkAppsRequirements($apps = array()) {
$disabledApps = array();
if (empty($apps)) {
$apps = OC_App::getEnabledApps();
}
$version = OC_Util::getVersion();
foreach ($apps as $app) {
// check if the app is compatible with this version of ownCloud
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$info = OC_App::getAppInfo($app);
if(!self::isAppCompatible($version, $info)) {
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OC_Log::write('core',
'App "' . $info['name'] . '" (' . $app . ') can\'t be used because it is'
. ' not compatible with this version of ownCloud',
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OC_Log::ERROR);
OC_App::disable($app);
OC_Hook::emit('update', 'success', 'Disabled ' . $info['name'] . ' app because it is not compatible');
$disabledApps[] = $app;
}
}
return $disabledApps;
}
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/**
* Ajust the number of version parts of $version1 to match
* the number of version parts of $version2.
*
* @param string $version1 version to adjust
* @param string $version2 version to take the number of parts from
* @return string shortened $version1
*/
private static function adjustVersionParts($version1, $version2) {
$version1 = explode('.', $version1);
$version2 = explode('.', $version2);
// reduce $version1 to match the number of parts in $version2
while (count($version1) > count($version2)) {
array_pop($version1);
}
// if $version1 does not have enough parts, add some
while (count($version1) < count($version2)) {
$version1[] = '0';
}
return implode('.', $version1);
}
/**
* Check whether the current ownCloud version matches the given
* application's version requirements.
*
* The comparison is made based on the number of parts that the
* app info version has. For example for ownCloud 6.0.3 if the
* app info version is expecting version 6.0, the comparison is
* made on the first two parts of the ownCloud version.
* This means that it's possible to specify "requiremin" => 6
* and "requiremax" => 6 and it will still match ownCloud 6.0.3.
*
* @param string $ocVersion ownCloud version to check against
* @param array $appInfo app info (from xml)
*
* @return boolean true if compatible, otherwise false
*/
public static function isAppCompatible($ocVersion, $appInfo){
$requireMin = '';
$requireMax = '';
if (isset($appInfo['requiremin'])) {
$requireMin = $appInfo['requiremin'];
} else if (isset($appInfo['require'])) {
$requireMin = $appInfo['require'];
}
if (isset($appInfo['requiremax'])) {
$requireMax = $appInfo['requiremax'];
}
if (is_array($ocVersion)) {
$ocVersion = implode('.', $ocVersion);
}
if (!empty($requireMin)
&& version_compare(self::adjustVersionParts($ocVersion, $requireMin), $requireMin, '<')
) {
return false;
}
if (!empty($requireMax)
&& version_compare(self::adjustVersionParts($ocVersion, $requireMax), $requireMax, '>')
) {
return false;
}
return true;
}
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/**
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* get the installed version of all apps
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*/
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public static function getAppVersions() {
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static $versions;
if (isset($versions)) { // simple cache, needs to be fixed
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return $versions; // when function is used besides in checkUpgrade
}
$versions = array();
$query = OC_DB::prepare('SELECT `appid`, `configvalue` FROM `*PREFIX*appconfig`'
. ' WHERE `configkey` = \'installed_version\'');
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$result = $query->execute();
while ($row = $result->fetchRow()) {
$versions[$row['appid']] = $row['configvalue'];
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}
return $versions;
}
/**
* update the database for the app and call the update script
*
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* @param string $appid
*/
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public static function updateApp($appid) {
if (file_exists(self::getAppPath($appid) . '/appinfo/preupdate.php')) {
self::loadApp($appid);
include self::getAppPath($appid) . '/appinfo/preupdate.php';
}
if (file_exists(self::getAppPath($appid) . '/appinfo/database.xml')) {
OC_DB::updateDbFromStructure(self::getAppPath($appid) . '/appinfo/database.xml');
}
if (!self::isEnabled($appid)) {
return;
}
if (file_exists(self::getAppPath($appid) . '/appinfo/update.php')) {
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self::loadApp($appid);
include self::getAppPath($appid) . '/appinfo/update.php';
}
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//set remote/public handlers
$appData = self::getAppInfo($appid);
foreach ($appData['remote'] as $name => $path) {
OCP\CONFIG::setAppValue('core', 'remote_' . $name, $appid . '/' . $path);
}
foreach ($appData['public'] as $name => $path) {
OCP\CONFIG::setAppValue('core', 'public_' . $name, $appid . '/' . $path);
}
self::setAppTypes($appid);
}
/**
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* @param string $appid
* @return \OC\Files\View
*/
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public static function getStorage($appid) {
if (OC_App::isEnabled($appid)) { //sanity check
if (OC_User::isLoggedIn()) {
$view = new \OC\Files\View('/' . OC_User::getUser());
if (!$view->file_exists($appid)) {
$view->mkdir($appid);
}
return new \OC\Files\View('/' . OC_User::getUser() . '/' . $appid);
} else {
OC_Log::write('core', 'Can\'t get app storage, app ' . $appid . ', user not logged in', OC_Log::ERROR);
return false;
}
} else {
OC_Log::write('core', 'Can\'t get app storage, app ' . $appid . ' not enabled', OC_Log::ERROR);
return false;
}
}
}