fixup! Register an address book with recent contacts

Signed-off-by: Christoph Wurst <christoph@winzerhof-wurst.at>

.gitignore

@@ -16,6 +16,7 @@
 !/apps/accessibility
 !/apps/cloud_federation_api
 !/apps/comments
+!/apps/contactsinteraction
 !/apps/dav
 !/apps/files
 !/apps/federation

apps/contactsinteraction/appinfo/info.xml

@@ -0,0 +1,19 @@
+<?xml version="1.0"?>
+<info xmlns:xsi= "http://www.w3.org/2001/XMLSchema-instance"
+	  xsi:noNamespaceSchemaLocation="https://apps.nextcloud.com/schema/apps/info.xsd">
+	<id>contactsinteraction</id>
+	<name>Contacts Interaction</name>
+	<summary>Manages interaction between users and contacts</summary>
+	<description>Collect data about user and contacts interactions and provide an address book for the data</description>
+	<version>1.0.0</version>
+	<licence>agpl</licence>
+	<author>Christoph Wurst</author>
+	<namespace>ContactsInteraction</namespace>
+	<default_enable/>
+	<category>integration</category>
+	<category>social</category>
+	<bugs>https://github.com/nextcloud/server/issues</bugs>
+	<dependencies>
+		<nextcloud min-version="19" max-version="19"/>
+	</dependencies>
+</info>

apps/contactsinteraction/composer/autoload.php

@@ -0,0 +1,7 @@
+<?php
+
+// autoload.php @generated by Composer
+
+require_once __DIR__ . '/composer/autoload_real.php';
+
+return ComposerAutoloaderInitContactsInteraction::getLoader();

apps/contactsinteraction/composer/composer.json

@@ -0,0 +1,13 @@
+{
+    "config" : {
+        "vendor-dir": ".",
+        "optimize-autoloader": true,
+        "classmap-authoritative": true,
+        "autoloader-suffix": "ContactsInteraction"
+    },
+    "autoload" : {
+        "psr-4": {
+            "OCA\\ContactsInteraction\\": "../lib/"
+        }
+    }
+}

apps/contactsinteraction/composer/composer/ClassLoader.php

@@ -0,0 +1,445 @@
+<?php
+
+/*
+ * This file is part of Composer.
+ *
+ * (c) Nils Adermann <naderman@naderman.de>
+ *     Jordi Boggiano <j.boggiano@seld.be>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Composer\Autoload;
+
+/**
+ * ClassLoader implements a PSR-0, PSR-4 and classmap class loader.
+ *
+ *     $loader = new \Composer\Autoload\ClassLoader();
+ *
+ *     // register classes with namespaces
+ *     $loader->add('Symfony\Component', __DIR__.'/component');
+ *     $loader->add('Symfony',           __DIR__.'/framework');
+ *
+ *     // activate the autoloader
+ *     $loader->register();
+ *
+ *     // to enable searching the include path (eg. for PEAR packages)
+ *     $loader->setUseIncludePath(true);
+ *
+ * In this example, if you try to use a class in the Symfony\Component
+ * namespace or one of its children (Symfony\Component\Console for instance),
+ * the autoloader will first look for the class under the component/
+ * directory, and it will then fallback to the framework/ directory if not
+ * found before giving up.
+ *
+ * This class is loosely based on the Symfony UniversalClassLoader.
+ *
+ * @author Fabien Potencier <fabien@symfony.com>
+ * @author Jordi Boggiano <j.boggiano@seld.be>
+ * @see    http://www.php-fig.org/psr/psr-0/
+ * @see    http://www.php-fig.org/psr/psr-4/
+ */
+class ClassLoader
+{
+    // PSR-4
+    private $prefixLengthsPsr4 = array();
+    private $prefixDirsPsr4 = array();
+    private $fallbackDirsPsr4 = array();
+
+    // PSR-0
+    private $prefixesPsr0 = array();
+    private $fallbackDirsPsr0 = array();
+
+    private $useIncludePath = false;
+    private $classMap = array();
+    private $classMapAuthoritative = false;
+    private $missingClasses = array();
+    private $apcuPrefix;
+
+    public function getPrefixes()
+    {
+        if (!empty($this->prefixesPsr0)) {
+            return call_user_func_array('array_merge', $this->prefixesPsr0);
+        }
+
+        return array();
+    }
+
+    public function getPrefixesPsr4()
+    {
+        return $this->prefixDirsPsr4;
+    }
+
+    public function getFallbackDirs()
+    {
+        return $this->fallbackDirsPsr0;
+    }
+
+    public function getFallbackDirsPsr4()
+    {
+        return $this->fallbackDirsPsr4;
+    }
+
+    public function getClassMap()
+    {
+        return $this->classMap;
+    }
+
+    /**
+     * @param array $classMap Class to filename map
+     */
+    public function addClassMap(array $classMap)
+    {
+        if ($this->classMap) {
+            $this->classMap = array_merge($this->classMap, $classMap);
+        } else {
+            $this->classMap = $classMap;
+        }
+    }
+
+    /**
+     * Registers a set of PSR-0 directories for a given prefix, either
+     * appending or prepending to the ones previously set for this prefix.
+     *
+     * @param string       $prefix  The prefix
+     * @param array|string $paths   The PSR-0 root directories
+     * @param bool         $prepend Whether to prepend the directories
+     */
+    public function add($prefix, $paths, $prepend = false)
+    {
+        if (!$prefix) {
+            if ($prepend) {
+                $this->fallbackDirsPsr0 = array_merge(
+                    (array) $paths,
+                    $this->fallbackDirsPsr0
+                );
+            } else {
+                $this->fallbackDirsPsr0 = array_merge(
+                    $this->fallbackDirsPsr0,
+                    (array) $paths
+                );
+            }
+
+            return;
+        }
+
+        $first = $prefix[0];
+        if (!isset($this->prefixesPsr0[$first][$prefix])) {
+            $this->prefixesPsr0[$first][$prefix] = (array) $paths;
+
+            return;
+        }
+        if ($prepend) {
+            $this->prefixesPsr0[$first][$prefix] = array_merge(
+                (array) $paths,
+                $this->prefixesPsr0[$first][$prefix]
+            );
+        } else {
+            $this->prefixesPsr0[$first][$prefix] = array_merge(
+                $this->prefixesPsr0[$first][$prefix],
+                (array) $paths
+            );
+        }
+    }
+
+    /**
+     * Registers a set of PSR-4 directories for a given namespace, either
+     * appending or prepending to the ones previously set for this namespace.
+     *
+     * @param string       $prefix  The prefix/namespace, with trailing '\\'
+     * @param array|string $paths   The PSR-4 base directories
+     * @param bool         $prepend Whether to prepend the directories
+     *
+     * @throws \InvalidArgumentException
+     */
+    public function addPsr4($prefix, $paths, $prepend = false)
+    {
+        if (!$prefix) {
+            // Register directories for the root namespace.
+            if ($prepend) {
+                $this->fallbackDirsPsr4 = array_merge(
+                    (array) $paths,
+                    $this->fallbackDirsPsr4
+                );
+            } else {
+                $this->fallbackDirsPsr4 = array_merge(
+                    $this->fallbackDirsPsr4,
+                    (array) $paths
+                );
+            }
+        } elseif (!isset($this->prefixDirsPsr4[$prefix])) {
+            // Register directories for a new namespace.
+            $length = strlen($prefix);
+            if ('\\' !== $prefix[$length - 1]) {
+                throw new \InvalidArgumentException("A non-empty PSR-4 prefix must end with a namespace separator.");
+            }
+            $this->prefixLengthsPsr4[$prefix[0]][$prefix] = $length;
+            $this->prefixDirsPsr4[$prefix] = (array) $paths;
+        } elseif ($prepend) {
+            // Prepend directories for an already registered namespace.
+            $this->prefixDirsPsr4[$prefix] = array_merge(
+                (array) $paths,
+                $this->prefixDirsPsr4[$prefix]
+            );
+        } else {
+            // Append directories for an already registered namespace.
+            $this->prefixDirsPsr4[$prefix] = array_merge(
+                $this->prefixDirsPsr4[$prefix],
+                (array) $paths
+            );
+        }
+    }
+
+    /**
+     * Registers a set of PSR-0 directories for a given prefix,
+     * replacing any others previously set for this prefix.
+     *
+     * @param string       $prefix The prefix
+     * @param array|string $paths  The PSR-0 base directories
+     */
+    public function set($prefix, $paths)
+    {
+        if (!$prefix) {
+            $this->fallbackDirsPsr0 = (array) $paths;
+        } else {
+            $this->prefixesPsr0[$prefix[0]][$prefix] = (array) $paths;
+        }
+    }
+
+    /**
+     * Registers a set of PSR-4 directories for a given namespace,
+     * replacing any others previously set for this namespace.
+     *
+     * @param string       $prefix The prefix/namespace, with trailing '\\'
+     * @param array|string $paths  The PSR-4 base directories
+     *
+     * @throws \InvalidArgumentException
+     */
+    public function setPsr4($prefix, $paths)
+    {
+        if (!$prefix) {
+            $this->fallbackDirsPsr4 = (array) $paths;
+        } else {
+            $length = strlen($prefix);
+            if ('\\' !== $prefix[$length - 1]) {
+                throw new \InvalidArgumentException("A non-empty PSR-4 prefix must end with a namespace separator.");
+            }
+            $this->prefixLengthsPsr4[$prefix[0]][$prefix] = $length;
+            $this->prefixDirsPsr4[$prefix] = (array) $paths;
+        }
+    }
+
+    /**
+     * Turns on searching the include path for class files.
+     *
+     * @param bool $useIncludePath
+     */
+    public function setUseIncludePath($useIncludePath)
+    {
+        $this->useIncludePath = $useIncludePath;
+    }
+
+    /**
+     * Can be used to check if the autoloader uses the include path to check
+     * for classes.
+     *
+     * @return bool
+     */
+    public function getUseIncludePath()
+    {
+        return $this->useIncludePath;
+    }
+
+    /**
+     * Turns off searching the prefix and fallback directories for classes
+     * that have not been registered with the class map.
+     *
+     * @param bool $classMapAuthoritative
+     */
+    public function setClassMapAuthoritative($classMapAuthoritative)
+    {
+        $this->classMapAuthoritative = $classMapAuthoritative;
+    }
+
+    /**
+     * Should class lookup fail if not found in the current class map?
+     *
+     * @return bool
+     */
+    public function isClassMapAuthoritative()
+    {
+        return $this->classMapAuthoritative;
+    }
+
+    /**
+     * APCu prefix to use to cache found/not-found classes, if the extension is enabled.
+     *
+     * @param string|null $apcuPrefix
+     */
+    public function setApcuPrefix($apcuPrefix)
+    {
+        $this->apcuPrefix = function_exists('apcu_fetch') && filter_var(ini_get('apc.enabled'), FILTER_VALIDATE_BOOLEAN) ? $apcuPrefix : null;
+    }
+
+    /**
+     * The APCu prefix in use, or null if APCu caching is not enabled.
+     *
+     * @return string|null
+     */
+    public function getApcuPrefix()
+    {
+        return $this->apcuPrefix;
+    }
+
+    /**
+     * Registers this instance as an autoloader.
+     *
+     * @param bool $prepend Whether to prepend the autoloader or not
+     */
+    public function register($prepend = false)
+    {
+        spl_autoload_register(array($this, 'loadClass'), true, $prepend);
+    }
+
+    /**
+     * Unregisters this instance as an autoloader.
+     */
+    public function unregister()
+    {
+        spl_autoload_unregister(array($this, 'loadClass'));
+    }
+
+    /**
+     * Loads the given class or interface.
+     *
+     * @param  string    $class The name of the class
+     * @return bool|null True if loaded, null otherwise
+     */
+    public function loadClass($class)
+    {
+        if ($file = $this->findFile($class)) {
+            includeFile($file);
+
+            return true;
+        }
+    }
+
+    /**
+     * Finds the path to the file where the class is defined.
+     *
+     * @param string $class The name of the class
+     *
+     * @return string|false The path if found, false otherwise
+     */
+    public function findFile($class)
+    {
+        // class map lookup
+        if (isset($this->classMap[$class])) {
+            return $this->classMap[$class];
+        }
+        if ($this->classMapAuthoritative || isset($this->missingClasses[$class])) {
+            return false;
+        }
+        if (null !== $this->apcuPrefix) {
+            $file = apcu_fetch($this->apcuPrefix.$class, $hit);
+            if ($hit) {
+                return $file;
+            }
+        }
+
+        $file = $this->findFileWithExtension($class, '.php');
+
+        // Search for Hack files if we are running on HHVM
+        if (false === $file && defined('HHVM_VERSION')) {
+            $file = $this->findFileWithExtension($class, '.hh');
+        }
+
+        if (null !== $this->apcuPrefix) {
+            apcu_add($this->apcuPrefix.$class, $file);
+        }
+
+        if (false === $file) {
+            // Remember that this class does not exist.
+            $this->missingClasses[$class] = true;
+        }
+
+        return $file;
+    }
+
+    private function findFileWithExtension($class, $ext)
+    {
+        // PSR-4 lookup
+        $logicalPathPsr4 = strtr($class, '\\', DIRECTORY_SEPARATOR) . $ext;
+
+        $first = $class[0];
+        if (isset($this->prefixLengthsPsr4[$first])) {
+            $subPath = $class;
+            while (false !== $lastPos = strrpos($subPath, '\\')) {
+                $subPath = substr($subPath, 0, $lastPos);
+                $search = $subPath . '\\';
+                if (isset($this->prefixDirsPsr4[$search])) {
+                    $pathEnd = DIRECTORY_SEPARATOR . substr($logicalPathPsr4, $lastPos + 1);
+                    foreach ($this->prefixDirsPsr4[$search] as $dir) {
+                        if (file_exists($file = $dir . $pathEnd)) {
+                            return $file;
+                        }
+                    }
+                }
+            }
+        }
+
+        // PSR-4 fallback dirs
+        foreach ($this->fallbackDirsPsr4 as $dir) {
+            if (file_exists($file = $dir . DIRECTORY_SEPARATOR . $logicalPathPsr4)) {
+                return $file;
+            }
+        }
+
+        // PSR-0 lookup
+        if (false !== $pos = strrpos($class, '\\')) {
+            // namespaced class name
+            $logicalPathPsr0 = substr($logicalPathPsr4, 0, $pos + 1)
+                . strtr(substr($logicalPathPsr4, $pos + 1), '_', DIRECTORY_SEPARATOR);
+        } else {
+            // PEAR-like class name
+            $logicalPathPsr0 = strtr($class, '_', DIRECTORY_SEPARATOR) . $ext;
+        }
+
+        if (isset($this->prefixesPsr0[$first])) {
+            foreach ($this->prefixesPsr0[$first] as $prefix => $dirs) {
+                if (0 === strpos($class, $prefix)) {
+                    foreach ($dirs as $dir) {
+                        if (file_exists($file = $dir . DIRECTORY_SEPARATOR . $logicalPathPsr0)) {
+                            return $file;
+                        }
+                    }
+                }
+            }
+        }
+
+        // PSR-0 fallback dirs
+        foreach ($this->fallbackDirsPsr0 as $dir) {
+            if (file_exists($file = $dir . DIRECTORY_SEPARATOR . $logicalPathPsr0)) {
+                return $file;
+            }
+        }
+
+        // PSR-0 include paths.
+        if ($this->useIncludePath && $file = stream_resolve_include_path($logicalPathPsr0)) {
+            return $file;
+        }
+
+        return false;
+    }
+}
+
+/**
+ * Scope isolated include.
+ *
+ * Prevents access to $this/self from included files.
+ */
+function includeFile($file)
+{
+    include $file;
+}

apps/contactsinteraction/composer/composer/LICENSE

@@ -0,0 +1,21 @@
+
+Copyright (c) Nils Adermann, Jordi Boggiano
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is furnished
+to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+THE SOFTWARE.
+

apps/contactsinteraction/composer/composer/autoload_classmap.php

@@ -0,0 +1,9 @@
+<?php
+
+// autoload_classmap.php @generated by Composer
+
+$vendorDir = dirname(dirname(__FILE__));
+$baseDir = $vendorDir;
+
+return array(
+);

apps/contactsinteraction/composer/composer/autoload_namespaces.php

@@ -0,0 +1,9 @@
+<?php
+
+// autoload_namespaces.php @generated by Composer
+
+$vendorDir = dirname(dirname(__FILE__));
+$baseDir = $vendorDir;
+
+return array(
+);

apps/contactsinteraction/composer/composer/autoload_psr4.php

@@ -0,0 +1,10 @@
+<?php
+
+// autoload_psr4.php @generated by Composer
+
+$vendorDir = dirname(dirname(__FILE__));
+$baseDir = $vendorDir;
+
+return array(
+    'OCA\\ContactsInteraction\\' => array($baseDir . '/../lib'),
+);

apps/contactsinteraction/composer/composer/autoload_real.php

@@ -0,0 +1,43 @@
+<?php
+
+// autoload_real.php @generated by Composer
+
+class ComposerAutoloaderInitContactsInteraction
+{
+    private static $loader;
+
+    public static function loadClassLoader($class)
+    {
+        if ('Composer\Autoload\ClassLoader' === $class) {
+            require __DIR__ . '/ClassLoader.php';
+        }
+    }
+
+    public static function getLoader()
+    {
+        if (null !== self::$loader) {
+            return self::$loader;
+        }
+
+        spl_autoload_register(array('ComposerAutoloaderInitContactsInteraction', 'loadClassLoader'), true, true);
+        self::$loader = $loader = new \Composer\Autoload\ClassLoader();
+        spl_autoload_unregister(array('ComposerAutoloaderInitContactsInteraction', 'loadClassLoader'));
+
+        $useStaticLoader = PHP_VERSION_ID >= 50600 && !defined('HHVM_VERSION') && (!function_exists('zend_loader_file_encoded') || !zend_loader_file_encoded());
+        if ($useStaticLoader) {
+            require_once __DIR__ . '/autoload_static.php';
+
+            call_user_func(\Composer\Autoload\ComposerStaticInitContactsInteraction::getInitializer($loader));
+        } else {
+            $classMap = require __DIR__ . '/autoload_classmap.php';
+            if ($classMap) {
+                $loader->addClassMap($classMap);
+            }
+        }
+
+        $loader->setClassMapAuthoritative(true);
+        $loader->register(true);
+
+        return $loader;
+    }
+}

apps/contactsinteraction/composer/composer/autoload_static.php

@@ -0,0 +1,31 @@
+<?php
+
+// autoload_static.php @generated by Composer
+
+namespace Composer\Autoload;
+
+class ComposerStaticInitContactsInteraction
+{
+    public static $prefixLengthsPsr4 = array (
+        'O' => 
+        array (
+            'OCA\\ContactsInteraction\\' => 24,
+        ),
+    );
+
+    public static $prefixDirsPsr4 = array (
+        'OCA\\ContactsInteraction\\' => 
+        array (
+            0 => __DIR__ . '/..' . '/../lib',
+        ),
+    );
+
+    public static function getInitializer(ClassLoader $loader)
+    {
+        return \Closure::bind(function () use ($loader) {
+            $loader->prefixLengthsPsr4 = ComposerStaticInitContactsInteraction::$prefixLengthsPsr4;
+            $loader->prefixDirsPsr4 = ComposerStaticInitContactsInteraction::$prefixDirsPsr4;
+
+        }, null, ClassLoader::class);
+    }
+}

apps/contactsinteraction/lib/BackgroundJobs/RetryJob.php

@@ -0,0 +1,221 @@
+<?php
+
+declare(strict_types=1);
+
+/**
+ * @copyright Copyright (c) 2016 Bjoern Schiessle <bjoern@schiessle.org>
+ * @copyright Copyright (c) 2019 Joas Schilling <coding@schilljs.com>
+ *
+ * @author Arthur Schiwon <blizzz@arthur-schiwon.de>
+ * @author Bjoern Schiessle <bjoern@schiessle.org>
+ * @author Joas Schilling <coding@schilljs.com>
+ * @author Lukas Reschke <lukas@statuscode.ch>
+ * @author Morris Jobke <hey@morrisjobke.de>
+ * @author Roeland Jago Douma <roeland@famdouma.nl>
+ *
+ * @license GNU AGPL version 3 or any later version
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as
+ * published by the Free Software Foundation, either version 3 of the
+ * License, or (at your option) any later version.
+ *
+ * This program 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 program. If not, see <http://www.gnu.org/licenses/>.
+ *
+ */
+
+namespace OCA\LookupServerConnector\BackgroundJobs;
+
+
+use OC\Security\IdentityProof\Signer;
+use OCP\Accounts\IAccountManager;
+use OCP\AppFramework\Utility\ITimeFactory;
+use OCP\BackgroundJob\IJobList;
+use OCP\BackgroundJob\Job;
+use OCP\Http\Client\IClientService;
+use OCP\IConfig;
+use OCP\ILogger;
+use OCP\IUser;
+use OCP\IUserManager;
+
+class RetryJob extends Job {
+	/** @var IClientService */
+	private $clientService;
+	/** @var string */
+	private $lookupServer;
+	/** @var IConfig */
+	private $config;
+	/** @var IUserManager */
+	private $userManager;
+	/** @var IAccountManager */
+	private $accountManager;
+	/** @var Signer */
+	private $signer;
+	/** @var int */
+	protected $retries = 0;
+	/** @var bool */
+	protected $retainJob = false;
+
+	/**
+	 * @param ITimeFactory $time
+	 * @param IClientService $clientService
+	 * @param IConfig $config
+	 * @param IUserManager $userManager
+	 * @param IAccountManager $accountManager
+	 * @param Signer $signer
+	 */
+	public function __construct(ITimeFactory $time,
+								IClientService $clientService,
+								IConfig $config,
+								IUserManager $userManager,
+								IAccountManager $accountManager,
+								Signer $signer) {
+		parent::__construct($time);
+		$this->clientService = $clientService;
+		$this->config = $config;
+		$this->userManager = $userManager;
+		$this->accountManager = $accountManager;
+		$this->signer = $signer;
+
+		$this->lookupServer = $config->getSystemValue('lookup_server', 'https://lookup.nextcloud.com');
+		if (!empty($this->lookupServer)) {
+			$this->lookupServer = rtrim($this->lookupServer, '/');
+			$this->lookupServer .= '/users';
+		}
+	}
+
+	/**
+	 * run the job, then remove it from the jobList
+	 *
+	 * @param IJobList $jobList
+	 * @param ILogger|null $logger
+	 */
+	public function execute($jobList, ILogger $logger = null): void {
+		if (!isset($this->argument['userId'])) {
+			// Old background job without user id, just drop it.
+			$jobList->remove($this, $this->argument);
+			return;
+		}
+
+		$this->retries = (int) $this->config->getUserValue($this->argument['userId'], 'lookup_server_connector', 'update_retries', 0);
+
+		if ($this->shouldRemoveBackgroundJob()) {
+			$jobList->remove($this, $this->argument);
+			return;
+		}
+
+		if ($this->shouldRun()) {
+			parent::execute($jobList, $logger);
+			if (!$this->retainJob) {
+				$jobList->remove($this, $this->argument);
+			}
+		}
+	}
+
+	/**
+	 * Check if we should kill the background job:
+	 *
+	 * - internet connection is disabled
+	 * - no valid lookup server URL given
+	 * - lookup server was disabled by the admin
+	 * - max retries are reached (set to 5)
+	 *
+	 * @return bool
+	 */
+	protected function shouldRemoveBackgroundJob(): bool {
+		return $this->config->getSystemValueBool('has_internet_connection', true) === false ||
+			$this->config->getSystemValueString('lookup_server', 'https://lookup.nextcloud.com') === '' ||
+			$this->config->getAppValue('files_sharing', 'lookupServerUploadEnabled', 'yes') !== 'yes' ||
+			$this->retries >= 5;
+	}
+
+	protected function shouldRun(): bool {
+		$delay = 100 * 6 ** $this->retries;
+		return ($this->time->getTime() - $this->lastRun) > $delay;
+	}
+
+	protected function run($argument): void {
+		$user = $this->userManager->get($this->argument['userId']);
+		if (!$user instanceof IUser) {
+			// User does not exist anymore
+			return;
+		}
+
+		$data = $this->getUserAccountData($user);
+		$signedData = $this->signer->sign('lookupserver', $data, $user);
+		$client = $this->clientService->newClient();
+
+		try {
+			if (count($data) === 1) {
+				// No public data, just the federation Id
+				$client->delete($this->lookupServer,
+					[
+						'body' => json_encode($signedData),
+						'timeout' => 10,
+						'connect_timeout' => 3,
+					]
+				);
+			} else {
+				$client->post($this->lookupServer,
+					[
+						'body' => json_encode($signedData),
+						'timeout' => 10,
+						'connect_timeout' => 3,
+					]
+				);
+			}
+
+			// Reset retry counter
+			$this->config->deleteUserValue(
+				$user->getUID(),
+				'lookup_server_connector',
+				'update_retries'
+			);
+
+		} catch (\Exception $e) {
+			// An error occurred, retry later
+			$this->retainJob = true;
+			$this->config->setUserValue(
+				$user->getUID(),
+				'lookup_server_connector',
+				'update_retries',
+				$this->retries + 1
+			);
+		}
+	}
+
+	protected function getUserAccountData(IUser $user): array {
+		$account = $this->accountManager->getAccount($user);
+
+		$publicData = [];
+		foreach ($account->getProperties() as $property) {
+			if ($property->getScope() === IAccountManager::VISIBILITY_PUBLIC) {
+				$publicData[$property->getName()] = $property->getValue();
+			}
+		}
+
+		$data = ['federationId' => $user->getCloudId()];
+		if (!empty($publicData)) {
+			$data['name'] = $publicData[IAccountManager::PROPERTY_DISPLAYNAME]['value'] ?? '';
+			$data['email'] = $publicData[IAccountManager::PROPERTY_EMAIL]['value'] ?? '';
+			$data['address'] = $publicData[IAccountManager::PROPERTY_ADDRESS]['value'] ?? '';
+			$data['website'] = $publicData[IAccountManager::PROPERTY_WEBSITE]['value'] ?? '';
+			$data['twitter'] = $publicData[IAccountManager::PROPERTY_TWITTER]['value'] ?? '';
+			$data['phone'] = $publicData[IAccountManager::PROPERTY_PHONE]['value'] ?? '';
+			$data['twitter_signature'] = $publicData[IAccountManager::PROPERTY_TWITTER]['signature'] ?? '';
+			$data['website_signature'] = $publicData[IAccountManager::PROPERTY_WEBSITE]['signature'] ?? '';
+			$data['verificationStatus'] = [
+				IAccountManager::PROPERTY_WEBSITE => $publicData[IAccountManager::PROPERTY_WEBSITE]['verified'] ?? '',
+				IAccountManager::PROPERTY_TWITTER => $publicData[IAccountManager::PROPERTY_TWITTER]['verified'] ?? '',
+			];
+		}
+
+		return $data;
+	}
+}