nextcloud/lib/private/app.php

1229 lines
33 KiB
PHP

<?php
/**
* ownCloud
*
* @author Frank Karlitschek
* @copyright 2012 Frank Karlitschek <frank@owncloud.org>
*
* @author Jakob Sack
* @copyright 2012 Jakob Sack <mail@jakobsack.de>
*
* @author Georg Ehrke
* @copyright 2014 Georg Ehrke <georg@ownCloud.com>
*
* 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/>.
*
*/
use OC\App\DependencyAnalyzer;
use OC\App\Platform;
use OC\OCSClient;
/**
* 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 $appVersion = [];
static private $adminForms = array();
static private $personalForms = array();
static private $appInfo = array();
static private $appTypes = array();
static private $loadedApps = 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
* @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) {
if (OC_Config::getValue('maintenance', false)) {
return false;
}
// Load the enabled apps here
$apps = self::getEnabledApps();
// prevent app.php from printing output
ob_start();
foreach ($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();
return true;
}
/**
* load a single app
*
* @param string $app
* @param bool $checkUpgrade whether an upgrade check should be done
* @throws \OC\NeedsUpdateException
*/
public static function loadApp($app, $checkUpgrade = true) {
if (is_file(self::getAppPath($app) . '/appinfo/app.php')) {
\OC::$server->getEventLogger()->start('load_app_' . $app, 'Load app: ' . $app);
if ($checkUpgrade and self::shouldUpgrade($app)) {
throw new \OC\NeedsUpdateException();
}
self::requireAppFile($app);
if (self::isType($app, array('authentication'))) {
// since authentication apps affect the "is app enabled for group" check,
// the enabled apps cache needs to be cleared to make sure that the
// next time getEnableApps() is called it will also include apps that were
// enabled for groups
self::$enabledAppsCache = array();
}
\OC::$server->getEventLogger()->end('load_app_' . $app);
}
}
/**
* Load app.php from the given app
*
* @param string $app app name
*/
private static function requireAppFile($app) {
// encapsulated here to avoid variable scope conflicts
require_once $app . '/appinfo/app.php';
}
/**
* check if an app is of a specific type
*
* @param string $app
* @param string|array $types
* @return bool
*/
public static function isType($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;
}
/**
* get the types of an app
*
* @param string $app
* @return array
*/
private static function getAppTypes($app) {
//load the cache
if (count(self::$appTypes) == 0) {
self::$appTypes = OC_Appconfig::getValues(false, 'types');
}
if (isset(self::$appTypes[$app])) {
return explode(',', self::$appTypes[$app]);
} else {
return array();
}
}
/**
* read app types from info.xml and cache them in the database
*/
public static function setAppTypes($app) {
$appData = self::getAppInfo($app);
if (isset($appData['types'])) {
$appTypes = implode(',', $appData['types']);
} else {
$appTypes = '';
}
OC_Appconfig::setValue($app, 'types', $appTypes);
}
/**
* 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;
}
}
/**
* get all enabled apps
*/
protected static $enabledAppsCache = array();
/**
* Returns apps enabled for the current user.
*
* @param bool $forceRefresh whether to refresh the cache
* @param bool $all whether to return apps for all users, not only the
* currently logged in one
* @return string[]
*/
public static function getEnabledApps($forceRefresh = false, $all = false) {
if (!OC_Config::getValue('installed', false)) {
return array();
}
// in incognito mode or when logged out, $user will be false,
// which is also the case during an upgrade
$appManager = \OC::$server->getAppManager();
if ($all) {
$user = null;
} else {
$user = \OC::$server->getUserSession()->getUser();
}
if (is_null($user)) {
$apps = $appManager->getInstalledApps();
} else {
$apps = $appManager->getEnabledAppsForUser($user);
}
$apps = array_filter($apps, function ($app) {
return $app !== 'files';//we add this manually
});
sort($apps);
array_unshift($apps, 'files');
return $apps;
}
/**
* checks whether or not an app is enabled
*
* @param string $app app
* @return bool
*
* This function checks whether or not an app is enabled.
*/
public static function isEnabled($app) {
if ('files' == $app) {
return true;
}
return \OC::$server->getAppManager()->isEnabledForUser($app);
}
/**
* enables an app
*
* @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)) {
$app = self::installApp($app);
}
$appManager = \OC::$server->getAppManager();
if (!is_null($groups)) {
$appManager->enableAppForGroups($app, $groups);
} else {
$appManager->enableApp($app);
}
}
/**
* @param string $app
* @return int
*/
public static function downloadApp($app) {
$appData= OCSClient::getApplication($app);
$download= OCSClient::getApplicationDownload($app, 1);
if(isset($download['downloadlink']) and $download['downloadlink']!='') {
// 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);
}
return $app;
}
/**
* @param string $app
* @return bool
*/
public static function removeApp($app) {
if (self::isShipped($app)) {
return false;
}
return OC_Installer::removeApp($app);
}
/**
* This function set an app as disabled in appconfig.
*
* @param string $app app
* @throws Exception
*/
public static function disable($app) {
// Convert OCS ID to regular application identifier
if(self::getInternalAppIdByOcs($app) !== false) {
$app = self::getInternalAppIdByOcs($app);
}
if($app === 'files') {
throw new \Exception("files can't be disabled.");
}
self::$enabledAppsCache = array(); // flush
// check if app is a shipped app or not. if not delete
\OC_Hook::emit('OC_App', 'pre_disable', array('app' => $app));
$appManager = \OC::$server->getAppManager();
$appManager->disableApp($app);
}
/**
* adds an entry to the navigation
*
* @param array $data array containing the data
* @return bool
*
* This function adds a new entry to the navigation visible to users. $data
* is an associative array.
* The following keys are required:
* - id: unique id for this entry ('addressbook_index')
* - href: link to the page
* - name: Human readable name ('Addressbook')
*
* The following keys are optional:
* - icon: path to the icon of the app
* - order: integer, that influences the position of your application in
* the navigation. Lower values come first.
*/
public static function addNavigationEntry($data) {
OC::$server->getNavigationManager()->add($data);
return true;
}
/**
* marks a navigation entry as active
*
* @param string $id id of the entry
* @return bool
*
* This function sets a navigation entry as active and removes the 'active'
* property from all other entries. The templates can use this for
* highlighting the current position of the user.
*/
public static function setActiveNavigationEntry($id) {
OC::$server->getNavigationManager()->setActiveEntry($id);
return true;
}
/**
* Get the navigation entries for the $app
*
* @param string $app app
* @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();
}
/**
* gets the active Menu entry
*
* @return string id or empty string
*
* This function returns the id of the active navigation entry (set by
* setActiveNavigationEntry
*/
public static function getActiveNavigationEntry() {
return OC::$server->getNavigationManager()->getActiveEntry();
}
/**
* Returns the Settings Navigation
*
* @return string
*
* This function returns an array containing all settings pages added. The
* entries are sorted by the key 'order' ascending.
*/
public static function getSettingsNavigation() {
$l = \OC::$server->getL10N('lib');
$settings = array();
// by default, settings only contain the help menu
if (OC_Util::getEditionString() === '' &&
OC_Config::getValue('knowledgebaseenabled', true) == true
) {
$settings = array(
array(
"id" => "help",
"order" => 1000,
"href" => OC_Helper::linkToRoute("settings_help"),
"name" => $l->t("Help"),
"icon" => OC_Helper::imagePath("settings", "help.svg")
)
);
}
// if the user is logged-in
if (OC_User::isLoggedIn()) {
// personal menu
$settings[] = array(
"id" => "personal",
"order" => 1,
"href" => OC_Helper::linkToRoute("settings_personal"),
"name" => $l->t("Personal"),
"icon" => OC_Helper::imagePath("settings", "personal.svg")
);
//SubAdmins are also allowed to access user management
if (OC_SubAdmin::isSubAdmin(OC_User::getUser())) {
// admin users menu
$settings[] = array(
"id" => "core_users",
"order" => 2,
"href" => OC_Helper::linkToRoute("settings_users"),
"name" => $l->t("Users"),
"icon" => OC_Helper::imagePath("settings", "users.svg")
);
}
// if the user is an admin
if (OC_User::isAdminUser(OC_User::getUser())) {
// admin settings
$settings[] = array(
"id" => "admin",
"order" => 1000,
"href" => OC_Helper::linkToRoute("settings_admin"),
"name" => $l->t("Admin"),
"icon" => OC_Helper::imagePath("settings", "admin.svg")
);
}
}
$navigation = self::proceedNavigation($settings);
return $navigation;
}
// This is private as well. It simply works, so don't ask for more details
private static function proceedNavigation($list) {
$activeApp = OC::$server->getNavigationManager()->getActiveEntry();
foreach ($list as &$navEntry) {
if ($navEntry['id'] == $activeApp) {
$navEntry['active'] = true;
} else {
$navEntry['active'] = false;
}
}
unset($navEntry);
usort($list, create_function('$a, $b', 'if( $a["order"] == $b["order"] ) {return 0;}elseif( $a["order"] < $b["order"] ) {return -1;}else{return 1;}'));
return $list;
}
/**
* Get the path where to install apps
*
* @return string|false
*/
public static function getInstallPath() {
if (OC_Config::getValue('appstoreenabled', true) == false) {
return false;
}
foreach (OC::$APPSROOTS as $dir) {
if (isset($dir['writable']) && $dir['writable'] === true) {
return $dir['path'];
}
}
OC_Log::write('core', 'No application directories are marked as writable.', OC_Log::ERROR);
return null;
}
/**
* search for an app in all app-directories
*
* @param $appId
* @return mixed (bool|string)
*/
protected static function findAppInDirectories($appId) {
static $app_dir = array();
if (isset($app_dir[$appId])) {
return $app_dir[$appId];
}
$possibleApps = array();
foreach (OC::$APPSROOTS as $dir) {
if (file_exists($dir['path'] . '/' . $appId)) {
$possibleApps[] = $dir;
}
}
if (empty($possibleApps)) {
return false;
} elseif (count($possibleApps) === 1) {
$dir = array_shift($possibleApps);
$app_dir[$appId] = $dir;
return $dir;
} else {
$versionToLoad = array();
foreach ($possibleApps as $possibleApp) {
$version = self::getAppVersionByPath($possibleApp['path']);
if (empty($versionToLoad) || version_compare($version, $versionToLoad['version'], '>')) {
$versionToLoad = array(
'dir' => $possibleApp,
'version' => $version,
);
}
}
$app_dir[$appId] = $versionToLoad['dir'];
return $versionToLoad['dir'];
//TODO - write test
}
}
/**
* 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 $appId
* @return string|false
*/
public static function getAppPath($appId) {
if ($appId === null || trim($appId) === '') {
return false;
}
if (($dir = self::findAppInDirectories($appId)) != false) {
return $dir['path'] . '/' . $appId;
}
return false;
}
/**
* check if an app's directory is writable
*
* @param string $appId
* @return bool
*/
public static function isAppDirWritable($appId) {
$path = self::getAppPath($appId);
return ($path !== false) ? is_writable($path) : 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;
}
return false;
}
/**
* get the last version of the app, either from appinfo/version or from appinfo/info.xml
*
* @param string $appId
* @return string
*/
public static function getAppVersion($appId) {
if (!isset(self::$appVersion[$appId])) {
$file = self::getAppPath($appId);
self::$appVersion[$appId] = ($file !== false) ? self::getAppVersionByPath($file) : '0';
}
return self::$appVersion[$appId];
}
/**
* get app's version based on it's path
*
* @param string $path
* @return string
*/
public static function getAppVersionByPath($path) {
$versionFile = $path . '/appinfo/version';
$infoFile = $path . '/appinfo/info.xml';
if (is_file($versionFile)) {
return trim(file_get_contents($versionFile));
} else {
$appData = self::getAppInfo($infoFile, true);
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
* @param boolean $path (optional)
* @return array|null
* @note all data is read from info.xml, not just pre-defined fields
*/
public static function getAppInfo($appId, $path = false) {
if ($path) {
$file = $appId;
} else {
if (isset(self::$appInfo[$appId])) {
return self::$appInfo[$appId];
}
$file = self::getAppPath($appId) . '/appinfo/info.xml';
}
$parser = new \OC\App\InfoParser(\OC::$server->getHTTPHelper(), \OC::$server->getURLGenerator());
$data = $parser->parse($file);
if (is_array($data)) {
$data = OC_App::parseAppInfo($data);
}
self::$appInfo[$appId] = $data;
return $data;
}
/**
* Returns the navigation
*
* @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
*/
public static function getNavigation() {
$entries = OC::$server->getNavigationManager()->getAll();
$navigation = self::proceedNavigation($entries);
return $navigation;
}
/**
* get the id of loaded app
*
* @return string
*/
public static function getCurrentApp() {
$request = \OC::$server->getRequest();
$script = substr($request->getScriptName(), strlen(OC::$WEBROOT) + 1);
$topFolder = substr($script, 0, strpos($script, '/'));
if (empty($topFolder)) {
$path_info = $request->getPathInfo();
if ($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;
}
}
/**
* @param string $type
* @return array
*/
public static function getForms($type) {
$forms = array();
switch ($type) {
case 'admin':
$source = self::$adminForms;
break;
case 'personal':
$source = self::$personalForms;
break;
default:
return array();
}
foreach ($source as $form) {
$forms[] = include $form;
}
return $forms;
}
/**
* register an admin form to be shown
*
* @param string $app
* @param string $page
*/
public static function registerAdmin($app, $page) {
self::$adminForms[] = $app . '/' . $page . '.php';
}
/**
* register a personal form to be shown
*/
public static function registerPersonal($app, $page) {
self::$personalForms[] = $app . '/' . $page . '.php';
}
/**
* @param array $entry
*/
public static function registerLogIn(array $entry) {
self::$altLogin[] = $entry;
}
/**
* @return array
*/
public static function getAlternativeLogIns() {
return self::$altLogin;
}
/**
* get a list of all apps in the apps folder
*
* @return array an array of app names (string IDs)
* @todo: change the name of this method to getInstalledApps, which is more accurate
*/
public static function getAllApps() {
$apps = array();
foreach (OC::$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);
continue;
}
$dh = opendir($apps_dir['path']);
if (is_resource($dh)) {
while (($file = readdir($dh)) !== false) {
if ($file[0] != '.' and is_file($apps_dir['path'] . '/' . $file . '/appinfo/app.php')) {
$apps[] = $file;
}
}
}
}
return $apps;
}
/**
* Lists all apps, this is used in apps.php
*
* @return array
*/
public static function listAllApps($onlyLocal = false) {
$installedApps = OC_App::getAllApps();
//TODO which apps do we want to blacklist and how do we integrate
// blacklisting with the multi apps folder feature?
$blacklist = array('files'); //we don't want to show configuration for these
$appList = array();
$l = \OC::$server->getL10N('core');
foreach ($installedApps as $app) {
if (array_search($app, $blacklist) === false) {
$info = OC_App::getAppInfo($app);
if (!isset($info['name'])) {
OC_Log::write('core', 'App id "' . $app . '" has no name in appinfo', OC_Log::ERROR);
continue;
}
$enabled = OC_Appconfig::getValue($app, 'enabled', 'no');
$info['groups'] = null;
if ($enabled === 'yes') {
$active = true;
} else if ($enabled === 'no') {
$active = false;
} else {
$active = true;
$info['groups'] = $enabled;
}
$info['active'] = $active;
if (isset($info['shipped']) and ($info['shipped'] == 'true')) {
$info['internal'] = true;
$info['internallabel'] = (string)$l->t('Recommended');
$info['internalclass'] = 'recommendedapp';
$info['removable'] = false;
} else {
$info['internal'] = false;
$info['removable'] = true;
}
$info['update'] = OC_Installer::isUpdateAvailable($app);
$appIcon = self::getAppPath($app) . '/img/' . $app . '.svg';
if (file_exists($appIcon)) {
$info['preview'] = OC_Helper::imagePath($app, $app . '.svg');
$info['previewAsIcon'] = true;
} else {
$appIcon = self::getAppPath($app) . '/img/app.svg';
if (file_exists($appIcon)) {
$info['preview'] = OC_Helper::imagePath($app, 'app.svg');
$info['previewAsIcon'] = true;
}
}
$info['version'] = OC_App::getAppVersion($app);
$appList[] = $info;
}
}
if ($onlyLocal) {
$remoteApps = array();
} else {
$remoteApps = OC_App::getAppstoreApps();
}
if ($remoteApps) {
// Remove duplicates
foreach ($appList as $app) {
foreach ($remoteApps AS $key => $remote) {
if ($app['name'] === $remote['name'] ||
(isset($app['ocsid']) &&
$app['ocsid'] === $remote['id'])
) {
unset($remoteApps[$key]);
}
}
}
$combinedApps = array_merge($appList, $remoteApps);
} else {
$combinedApps = $appList;
}
// bring the apps into the right order with a custom sort function
usort($combinedApps, function ($a, $b) {
// priority 1: active
if ($a['active'] != $b['active']) {
return $b['active'] - $a['active'];
}
// priority 2: shipped
$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);
}
// priority 3: recommended
$internalClassA = isset($a['internalclass']) ? $a['internalclass'] : '';
$internalClassB = isset($b['internalclass']) ? $b['internalclass'] : '';
if ($internalClassA != $internalClassB) {
$aTemp = ($internalClassA == 'recommendedapp' ? 1 : 0);
$bTemp = ($internalClassB == 'recommendedapp' ? 1 : 0);
return ($bTemp - $aTemp);
}
// priority 4: alphabetical
return strcasecmp($a['name'], $b['name']);
});
return $combinedApps;
}
/**
* Returns the internal app ID or false
* @param string $ocsID
* @return string|false
*/
protected static function getInternalAppIdByOcs($ocsID) {
if(is_numeric($ocsID)) {
$idArray = \OC::$server->getAppConfig()->getValues(false, 'ocsid');
if(array_search($ocsID, $idArray)) {
return array_search($ocsID, $idArray);
}
}
return false;
}
/**
* get a list of all apps on apps.owncloud.com
*
* @return array|false multi-dimensional array of apps.
* Keys: id, name, type, typename, personid, license, detailpage, preview, changed, description
*/
public static function getAppstoreApps($filter = 'approved', $category = null) {
$categories = array($category);
if (is_null($category)) {
$categoryNames = OCSClient::getCategories();
if (is_array($categoryNames)) {
// Check that categories of apps were retrieved correctly
if (!$categories = array_keys($categoryNames)) {
return false;
}
} else {
return false;
}
}
$page = 0;
$remoteApps = OCSClient::getApplications($categories, $page, $filter);
$app1 = array();
$i = 0;
$l = \OC::$server->getL10N('core');
foreach ($remoteApps as $app) {
$potentialCleanId = self::getInternalAppIdByOcs($app['id']);
// enhance app info (for example the description)
$app1[$i] = OC_App::parseAppInfo($app);
$app1[$i]['author'] = $app['personid'];
$app1[$i]['ocs_id'] = $app['id'];
$app1[$i]['internal'] = 0;
$app1[$i]['active'] = ($potentialCleanId !== false) ? self::isEnabled($potentialCleanId) : false;
$app1[$i]['update'] = false;
$app1[$i]['groups'] = false;
$app1[$i]['score'] = $app['score'];
$app1[$i]['removable'] = false;
if ($app['label'] == 'recommended') {
$app1[$i]['internallabel'] = (string)$l->t('Recommended');
$app1[$i]['internalclass'] = 'recommendedapp';
}
$i++;
}
if (empty($app1)) {
return false;
} else {
return $app1;
}
}
public static function shouldUpgrade($app) {
$versions = self::getAppVersions();
$currentVersion = OC_App::getAppVersion($app);
if ($currentVersion && isset($versions[$app])) {
$installedVersion = $versions[$app];
if (version_compare($currentVersion, $installedVersion, '>')) {
return true;
}
}
return false;
}
/**
* Adjust 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['dependencies']['owncloud']['@attributes']['min-version'])) {
$requireMin = $appInfo['dependencies']['owncloud']['@attributes']['min-version'];
} else if (isset($appInfo['requiremin'])) {
$requireMin = $appInfo['requiremin'];
} else if (isset($appInfo['require'])) {
$requireMin = $appInfo['require'];
}
if (isset($appInfo['dependencies']['owncloud']['@attributes']['max-version'])) {
$requireMax = $appInfo['dependencies']['owncloud']['@attributes']['max-version'];
} else if (isset($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;
}
/**
* get the installed version of all apps
*/
public static function getAppVersions() {
static $versions;
if (isset($versions)) { // simple cache, needs to be fixed
return $versions; // when function is used besides in checkUpgrade
}
$versions = array();
try {
$query = OC_DB::prepare('SELECT `appid`, `configvalue` FROM `*PREFIX*appconfig`'
. ' WHERE `configkey` = \'installed_version\'');
$result = $query->execute();
while ($row = $result->fetchRow()) {
$versions[$row['appid']] = $row['configvalue'];
}
return $versions;
} catch (\Exception $e) {
return array();
}
}
/**
* @param mixed $app
* @return bool
* @throws Exception if app is not compatible with this version of ownCloud
* @throws Exception if no app-name was specified
*/
public static function installApp($app) {
$l = \OC::$server->getL10N('core');
$config = \OC::$server->getConfig();
$appData=OCSClient::getApplication($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)) {
$shippedVersion = self::getAppVersion($app);
if ($appData && version_compare($shippedVersion, $appData['version'], '<')) {
$app = self::downloadApp($app);
} else {
$app = OC_Installer::installShippedApp($app);
}
} else {
// Maybe the app is already installed - compare the version in this
// case and use the local already installed one.
// FIXME: This is a horrible hack. I feel sad. The god of code cleanness may forgive me.
$internalAppId = self::getInternalAppIdByOcs($app);
if($internalAppId !== false) {
if($appData && version_compare(\OC_App::getAppVersion($internalAppId), $appData['version'], '<')) {
$app = self::downloadApp($app);
} else {
self::enable($internalAppId);
$app = $internalAppId;
}
} else {
$app = self::downloadApp($app);
}
}
if ($app !== false) {
// check if the app is compatible with this version of ownCloud
$info = self::getAppInfo($app);
$version = OC_Util::getVersion();
if (!self::isAppCompatible($version, $info)) {
throw new \Exception(
$l->t('App "%s" cannot be installed because it is not compatible with this version of ownCloud.',
array($info['name'])
)
);
}
// check for required dependencies
$dependencyAnalyzer = new DependencyAnalyzer(new Platform($config), $l);
$missing = $dependencyAnalyzer->analyze($app);
if (!empty($missing)) {
$missingMsg = join(PHP_EOL, $missing);
throw new \Exception(
$l->t('App "%s" cannot be installed because the following dependencies are not fulfilled: %s',
array($info['name'], $missingMsg)
)
);
}
$config->setAppValue($app, 'enabled', 'yes');
if (isset($appData['id'])) {
$config->setAppValue($app, 'ocsid', $appData['id']);
}
\OC_Hook::emit('OC_App', 'post_enable', array('app' => $app));
} else {
throw new \Exception($l->t("No app name specified"));
}
return $app;
}
/**
* update the database for the app and call the update script
*
* @param string $appId
* @return bool
*/
public static function updateApp($appId) {
if (file_exists(self::getAppPath($appId) . '/appinfo/database.xml')) {
OC_DB::updateDbFromStructure(self::getAppPath($appId) . '/appinfo/database.xml');
}
unset(self::$appVersion[$appId]);
if (!self::isEnabled($appId)) {
return false;
}
if (file_exists(self::getAppPath($appId) . '/appinfo/update.php')) {
self::loadApp($appId, false);
include self::getAppPath($appId) . '/appinfo/update.php';
}
//set remote/public handlers
$appData = self::getAppInfo($appId);
if (array_key_exists('ocsid', $appData)) {
OC_Appconfig::setValue($appId, 'ocsid', $appData['ocsid']);
}
foreach ($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);
$version = \OC_App::getAppVersion($appId);
\OC_Appconfig::setValue($appId, 'installed_version', $version);
return true;
}
/**
* @param string $appId
* @return \OC\Files\View|false
*/
public static function getStorage($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;
}
}
/**
* parses the app data array and enhanced the 'description' value
*
* @param array $data the app data
* @return array improved app data
*/
public static function parseAppInfo(array $data) {
// just modify the description if it is available
// otherwise this will create a $data element with an empty 'description'
if (isset($data['description'])) {
// sometimes the description contains line breaks and they are then also
// shown in this way in the app management which isn't wanted as HTML
// manages line breaks itself
// first of all we split on empty lines
$paragraphs = preg_split("!\n[[:space:]]*\n!m", $data['description']);
$result = [];
foreach ($paragraphs as $value) {
// replace multiple whitespace (tabs, space, newlines) inside a paragraph
// with a single space - also trims whitespace
$result[] = trim(preg_replace('![[:space:]]+!m', ' ', $value));
}
// join the single paragraphs with a empty line in between
$data['description'] = implode("\n\n", $result);
}
return $data;
}
}