Profile backend

Signed-off-by: Christopher Ng <chrng8@gmail.com>

20 files changed, 1208 insertions, 23 deletions

diff --git a/lib/composer/composer/autoload_classmap.php b/lib/composer/composer/autoload_classmap.php
index 343d2ddf027..fa1ef50c41e 100644
--- a/lib/composer/composer/autoload_classmap.php
+++ b/lib/composer/composer/autoload_classmap.php
@@ -460,6 +460,8 @@ return array(
     'OCP\\Preview\\IProvider' => $baseDir . '/lib/public/Preview/IProvider.php',
     'OCP\\Preview\\IProviderV2' => $baseDir . '/lib/public/Preview/IProviderV2.php',
     'OCP\\Preview\\IVersionedPreviewFile' => $baseDir . '/lib/public/Preview/IVersionedPreviewFile.php',
+    'OCP\\Profile\\ILinkAction' => $baseDir . '/lib/public/Profile/ILinkAction.php',
+    'OCP\\Profile\\ParameterDoesNotExistException' => $baseDir . '/lib/public/Profile/ParameterDoesNotExistException.php',
     'OCP\\Remote\\Api\\IApiCollection' => $baseDir . '/lib/public/Remote/Api/IApiCollection.php',
     'OCP\\Remote\\Api\\IApiFactory' => $baseDir . '/lib/public/Remote/Api/IApiFactory.php',
     'OCP\\Remote\\Api\\ICapabilitiesApi' => $baseDir . '/lib/public/Remote/Api/ICapabilitiesApi.php',
@@ -804,6 +806,7 @@ return array(
     'OC\\Contacts\\ContactsMenu\\Entry' => $baseDir . '/lib/private/Contacts/ContactsMenu/Entry.php',
     'OC\\Contacts\\ContactsMenu\\Manager' => $baseDir . '/lib/private/Contacts/ContactsMenu/Manager.php',
     'OC\\Contacts\\ContactsMenu\\Providers\\EMailProvider' => $baseDir . '/lib/private/Contacts/ContactsMenu/Providers/EMailProvider.php',
+    'OC\\Contacts\\ContactsMenu\\Providers\\ProfileProvider' => $baseDir . '/lib/private/Contacts/ContactsMenu/Providers/ProfileProvider.php',
     'OC\\Core\\Application' => $baseDir . '/core/Application.php',
     'OC\\Core\\BackgroundJobs\\BackgroundCleanupUpdaterBackupsJob' => $baseDir . '/core/BackgroundJobs/BackgroundCleanupUpdaterBackupsJob.php',
     'OC\\Core\\BackgroundJobs\\CheckForUserCertificates' => $baseDir . '/core/BackgroundJobs/CheckForUserCertificates.php',
@@ -924,6 +927,8 @@ return array(
     'OC\\Core\\Controller\\OCJSController' => $baseDir . '/core/Controller/OCJSController.php',
     'OC\\Core\\Controller\\OCSController' => $baseDir . '/core/Controller/OCSController.php',
     'OC\\Core\\Controller\\PreviewController' => $baseDir . '/core/Controller/PreviewController.php',
+    'OC\\Core\\Controller\\ProfileApiController' => $baseDir . '/core/Controller/ProfileApiController.php',
+    'OC\\Core\\Controller\\ProfilePageController' => $baseDir . '/core/Controller/ProfilePageController.php',
     'OC\\Core\\Controller\\RecommendedAppsController' => $baseDir . '/core/Controller/RecommendedAppsController.php',
     'OC\\Core\\Controller\\SearchController' => $baseDir . '/core/Controller/SearchController.php',
     'OC\\Core\\Controller\\SetupController' => $baseDir . '/core/Controller/SetupController.php',
@@ -940,6 +945,8 @@ return array(
     'OC\\Core\\Data\\LoginFlowV2Tokens' => $baseDir . '/core/Data/LoginFlowV2Tokens.php',
     'OC\\Core\\Db\\LoginFlowV2' => $baseDir . '/core/Db/LoginFlowV2.php',
     'OC\\Core\\Db\\LoginFlowV2Mapper' => $baseDir . '/core/Db/LoginFlowV2Mapper.php',
+    'OC\\Core\\Db\\ProfileConfig' => $baseDir . '/core/Db/ProfileConfig.php',
+    'OC\\Core\\Db\\ProfileConfigMapper' => $baseDir . '/core/Db/ProfileConfigMapper.php',
     'OC\\Core\\Exception\\LoginFlowV2NotFoundException' => $baseDir . '/core/Exception/LoginFlowV2NotFoundException.php',
     'OC\\Core\\Exception\\ResetPasswordException' => $baseDir . '/core/Exception/ResetPasswordException.php',
     'OC\\Core\\Middleware\\TwoFactorMiddleware' => $baseDir . '/core/Middleware/TwoFactorMiddleware.php',
@@ -980,6 +987,7 @@ return array(
     'OC\\Core\\Migrations\\Version22000Date20210216080825' => $baseDir . '/core/Migrations/Version22000Date20210216080825.php',
     'OC\\Core\\Migrations\\Version23000Date20210721100600' => $baseDir . '/core/Migrations/Version23000Date20210721100600.php',
     'OC\\Core\\Migrations\\Version23000Date20210906132259' => $baseDir . '/core/Migrations/Version23000Date20210906132259.php',
+    'OC\\Core\\Migrations\\Version23000Date20210930122352' => $baseDir . '/core/Migrations/Version23000Date20210930122352.php',
     'OC\\Core\\Notification\\CoreNotifier' => $baseDir . '/core/Notification/CoreNotifier.php',
     'OC\\Core\\Service\\LoginFlowV2Service' => $baseDir . '/core/Service/LoginFlowV2Service.php',
     'OC\\DB\\Adapter' => $baseDir . '/lib/private/DB/Adapter.php',
@@ -1300,6 +1308,12 @@ return array(
     'OC\\Preview\\WatcherConnector' => $baseDir . '/lib/private/Preview/WatcherConnector.php',
     'OC\\Preview\\WebP' => $baseDir . '/lib/private/Preview/WebP.php',
     'OC\\Preview\\XBitmap' => $baseDir . '/lib/private/Preview/XBitmap.php',
+    'OC\\Profile\\Actions\\EmailAction' => $baseDir . '/lib/private/Profile/Actions/EmailAction.php',
+    'OC\\Profile\\Actions\\PhoneAction' => $baseDir . '/lib/private/Profile/Actions/PhoneAction.php',
+    'OC\\Profile\\Actions\\TwitterAction' => $baseDir . '/lib/private/Profile/Actions/TwitterAction.php',
+    'OC\\Profile\\Actions\\WebsiteAction' => $baseDir . '/lib/private/Profile/Actions/WebsiteAction.php',
+    'OC\\Profile\\ProfileManager' => $baseDir . '/lib/private/Profile/ProfileManager.php',
+    'OC\\Profile\\TProfileHelper' => $baseDir . '/lib/private/Profile/TProfileHelper.php',
     'OC\\RedisFactory' => $baseDir . '/lib/private/RedisFactory.php',
     'OC\\Remote\\Api\\ApiBase' => $baseDir . '/lib/private/Remote/Api/ApiBase.php',
     'OC\\Remote\\Api\\ApiCollection' => $baseDir . '/lib/private/Remote/Api/ApiCollection.php',
diff --git a/lib/composer/composer/autoload_static.php b/lib/composer/composer/autoload_static.php
index 96ed5a614bc..89892d45ab0 100644
--- a/lib/composer/composer/autoload_static.php
+++ b/lib/composer/composer/autoload_static.php
@@ -489,6 +489,8 @@ class ComposerStaticInit53792487c5a8370acc0b06b1a864ff4c
         'OCP\\Preview\\IProvider' => __DIR__ . '/../../..' . '/lib/public/Preview/IProvider.php',
         'OCP\\Preview\\IProviderV2' => __DIR__ . '/../../..' . '/lib/public/Preview/IProviderV2.php',
         'OCP\\Preview\\IVersionedPreviewFile' => __DIR__ . '/../../..' . '/lib/public/Preview/IVersionedPreviewFile.php',
+        'OCP\\Profile\\ILinkAction' => __DIR__ . '/../../..' . '/lib/public/Profile/ILinkAction.php',
+        'OCP\\Profile\\ParameterDoesNotExistException' => __DIR__ . '/../../..' . '/lib/public/Profile/ParameterDoesNotExistException.php',
         'OCP\\Remote\\Api\\IApiCollection' => __DIR__ . '/../../..' . '/lib/public/Remote/Api/IApiCollection.php',
         'OCP\\Remote\\Api\\IApiFactory' => __DIR__ . '/../../..' . '/lib/public/Remote/Api/IApiFactory.php',
         'OCP\\Remote\\Api\\ICapabilitiesApi' => __DIR__ . '/../../..' . '/lib/public/Remote/Api/ICapabilitiesApi.php',
@@ -833,6 +835,7 @@ class ComposerStaticInit53792487c5a8370acc0b06b1a864ff4c
         'OC\\Contacts\\ContactsMenu\\Entry' => __DIR__ . '/../../..' . '/lib/private/Contacts/ContactsMenu/Entry.php',
         'OC\\Contacts\\ContactsMenu\\Manager' => __DIR__ . '/../../..' . '/lib/private/Contacts/ContactsMenu/Manager.php',
         'OC\\Contacts\\ContactsMenu\\Providers\\EMailProvider' => __DIR__ . '/../../..' . '/lib/private/Contacts/ContactsMenu/Providers/EMailProvider.php',
+        'OC\\Contacts\\ContactsMenu\\Providers\\ProfileProvider' => __DIR__ . '/../../..' . '/lib/private/Contacts/ContactsMenu/Providers/ProfileProvider.php',
         'OC\\Core\\Application' => __DIR__ . '/../../..' . '/core/Application.php',
         'OC\\Core\\BackgroundJobs\\BackgroundCleanupUpdaterBackupsJob' => __DIR__ . '/../../..' . '/core/BackgroundJobs/BackgroundCleanupUpdaterBackupsJob.php',
         'OC\\Core\\BackgroundJobs\\CheckForUserCertificates' => __DIR__ . '/../../..' . '/core/BackgroundJobs/CheckForUserCertificates.php',
@@ -953,6 +956,8 @@ class ComposerStaticInit53792487c5a8370acc0b06b1a864ff4c
         'OC\\Core\\Controller\\OCJSController' => __DIR__ . '/../../..' . '/core/Controller/OCJSController.php',
         'OC\\Core\\Controller\\OCSController' => __DIR__ . '/../../..' . '/core/Controller/OCSController.php',
         'OC\\Core\\Controller\\PreviewController' => __DIR__ . '/../../..' . '/core/Controller/PreviewController.php',
+        'OC\\Core\\Controller\\ProfileApiController' => __DIR__ . '/../../..' . '/core/Controller/ProfileApiController.php',
+        'OC\\Core\\Controller\\ProfilePageController' => __DIR__ . '/../../..' . '/core/Controller/ProfilePageController.php',
         'OC\\Core\\Controller\\RecommendedAppsController' => __DIR__ . '/../../..' . '/core/Controller/RecommendedAppsController.php',
         'OC\\Core\\Controller\\SearchController' => __DIR__ . '/../../..' . '/core/Controller/SearchController.php',
         'OC\\Core\\Controller\\SetupController' => __DIR__ . '/../../..' . '/core/Controller/SetupController.php',
@@ -969,6 +974,8 @@ class ComposerStaticInit53792487c5a8370acc0b06b1a864ff4c
         'OC\\Core\\Data\\LoginFlowV2Tokens' => __DIR__ . '/../../..' . '/core/Data/LoginFlowV2Tokens.php',
         'OC\\Core\\Db\\LoginFlowV2' => __DIR__ . '/../../..' . '/core/Db/LoginFlowV2.php',
         'OC\\Core\\Db\\LoginFlowV2Mapper' => __DIR__ . '/../../..' . '/core/Db/LoginFlowV2Mapper.php',
+        'OC\\Core\\Db\\ProfileConfig' => __DIR__ . '/../../..' . '/core/Db/ProfileConfig.php',
+        'OC\\Core\\Db\\ProfileConfigMapper' => __DIR__ . '/../../..' . '/core/Db/ProfileConfigMapper.php',
         'OC\\Core\\Exception\\LoginFlowV2NotFoundException' => __DIR__ . '/../../..' . '/core/Exception/LoginFlowV2NotFoundException.php',
         'OC\\Core\\Exception\\ResetPasswordException' => __DIR__ . '/../../..' . '/core/Exception/ResetPasswordException.php',
         'OC\\Core\\Middleware\\TwoFactorMiddleware' => __DIR__ . '/../../..' . '/core/Middleware/TwoFactorMiddleware.php',
@@ -1009,6 +1016,7 @@ class ComposerStaticInit53792487c5a8370acc0b06b1a864ff4c
         'OC\\Core\\Migrations\\Version22000Date20210216080825' => __DIR__ . '/../../..' . '/core/Migrations/Version22000Date20210216080825.php',
         'OC\\Core\\Migrations\\Version23000Date20210721100600' => __DIR__ . '/../../..' . '/core/Migrations/Version23000Date20210721100600.php',
         'OC\\Core\\Migrations\\Version23000Date20210906132259' => __DIR__ . '/../../..' . '/core/Migrations/Version23000Date20210906132259.php',
+        'OC\\Core\\Migrations\\Version23000Date20210930122352' => __DIR__ . '/../../..' . '/core/Migrations/Version23000Date20210930122352.php',
         'OC\\Core\\Notification\\CoreNotifier' => __DIR__ . '/../../..' . '/core/Notification/CoreNotifier.php',
         'OC\\Core\\Service\\LoginFlowV2Service' => __DIR__ . '/../../..' . '/core/Service/LoginFlowV2Service.php',
         'OC\\DB\\Adapter' => __DIR__ . '/../../..' . '/lib/private/DB/Adapter.php',
@@ -1329,6 +1337,12 @@ class ComposerStaticInit53792487c5a8370acc0b06b1a864ff4c
         'OC\\Preview\\WatcherConnector' => __DIR__ . '/../../..' . '/lib/private/Preview/WatcherConnector.php',
         'OC\\Preview\\WebP' => __DIR__ . '/../../..' . '/lib/private/Preview/WebP.php',
         'OC\\Preview\\XBitmap' => __DIR__ . '/../../..' . '/lib/private/Preview/XBitmap.php',
+        'OC\\Profile\\Actions\\EmailAction' => __DIR__ . '/../../..' . '/lib/private/Profile/Actions/EmailAction.php',
+        'OC\\Profile\\Actions\\PhoneAction' => __DIR__ . '/../../..' . '/lib/private/Profile/Actions/PhoneAction.php',
+        'OC\\Profile\\Actions\\TwitterAction' => __DIR__ . '/../../..' . '/lib/private/Profile/Actions/TwitterAction.php',
+        'OC\\Profile\\Actions\\WebsiteAction' => __DIR__ . '/../../..' . '/lib/private/Profile/Actions/WebsiteAction.php',
+        'OC\\Profile\\ProfileManager' => __DIR__ . '/../../..' . '/lib/private/Profile/ProfileManager.php',
+        'OC\\Profile\\TProfileHelper' => __DIR__ . '/../../..' . '/lib/private/Profile/TProfileHelper.php',
         'OC\\RedisFactory' => __DIR__ . '/../../..' . '/lib/private/RedisFactory.php',
         'OC\\Remote\\Api\\ApiBase' => __DIR__ . '/../../..' . '/lib/private/Remote/Api/ApiBase.php',
         'OC\\Remote\\Api\\ApiCollection' => __DIR__ . '/../../..' . '/lib/private/Remote/Api/ApiCollection.php',
diff --git a/lib/private/AppFramework/Bootstrap/Coordinator.php b/lib/private/AppFramework/Bootstrap/Coordinator.php
index 8ffe54a2575..6e05b7fdc88 100644
--- a/lib/private/AppFramework/Bootstrap/Coordinator.php
+++ b/lib/private/AppFramework/Bootstrap/Coordinator.php
@@ -27,10 +27,14 @@ declare(strict_types=1);
  * along with this program. If not, see <http://www.gnu.org/licenses/>.
  *
  */
+
 namespace OC\AppFramework\Bootstrap;
 
-use OC\Support\CrashReport\Registry;
+use function class_exists;
+use function class_implements;
+use function in_array;
 use OC_App;
+use OC\Support\CrashReport\Registry;
 use OCP\AppFramework\App;
 use OCP\AppFramework\Bootstrap\IBootstrap;
 use OCP\AppFramework\QueryException;
@@ -39,9 +43,6 @@ use OCP\EventDispatcher\IEventDispatcher;
 use OCP\IServerContainer;
 use Psr\Log\LoggerInterface;
 use Throwable;
-use function class_exists;
-use function class_implements;
-use function in_array;
 
 class Coordinator {
 
@@ -66,11 +67,13 @@ class Coordinator {
 	/** @var string[] */
 	private $bootedApps = [];
 
-	public function __construct(IServerContainer $container,
-								Registry $registry,
-								IManager $dashboardManager,
-								IEventDispatcher $eventListener,
-								LoggerInterface $logger) {
+	public function __construct(
+		IServerContainer $container,
+		Registry $registry,
+		IManager $dashboardManager,
+		IEventDispatcher $eventListener,
+		LoggerInterface $logger
+	) {
 		$this->serverContainer = $container;
 		$this->registry = $registry;
 		$this->dashboardManager = $dashboardManager;
diff --git a/lib/private/AppFramework/Bootstrap/RegistrationContext.php b/lib/private/AppFramework/Bootstrap/RegistrationContext.php
index 8eed6a5bde4..c638af94c84 100644
--- a/lib/private/AppFramework/Bootstrap/RegistrationContext.php
+++ b/lib/private/AppFramework/Bootstrap/RegistrationContext.php
@@ -26,9 +26,11 @@ declare(strict_types=1);
  * along with this program. If not, see <http://www.gnu.org/licenses/>.
  *
  */
+
 namespace OC\AppFramework\Bootstrap;
 
 use Closure;
+use function array_shift;
 use OC\Support\CrashReport\Registry;
 use OCP\AppFramework\App;
 use OCP\AppFramework\Bootstrap\IRegistrationContext;
@@ -43,11 +45,11 @@ use OCP\EventDispatcher\IEventDispatcher;
 use OCP\Files\Template\ICustomTemplateProvider;
 use OCP\Http\WellKnown\IHandler;
 use OCP\Notification\INotifier;
+use OCP\Profile\ILinkAction;
 use OCP\Search\IProvider;
 use OCP\Support\CrashReport\IReporter;
 use Psr\Log\LoggerInterface;
 use Throwable;
-use function array_shift;
 
 class RegistrationContext {
 
@@ -60,6 +62,9 @@ class RegistrationContext {
 	/** @var ServiceRegistration<IWidget>[] */
 	private $dashboardPanels = [];
 
+	/** @var ServiceRegistration<ILinkAction>[] */
+	private $profileActions = [];
+
 	/** @var ServiceFactoryRegistration[] */
 	private $services = [];
 
@@ -236,6 +241,13 @@ class RegistrationContext {
 					$class
 				);
 			}
+
+			public function registerProfileAction(string $actionClass): void {
+				$this->context->registerProfileAction(
+					$this->appId,
+					$actionClass
+				);
+			}
 		};
 	}
 
@@ -316,6 +328,13 @@ class RegistrationContext {
 	}
 
 	/**
+	 * @psalm-param class-string<ILinkAction> $capability
+	 */
+	public function registerProfileAction(string $appId, string $actionClass): void {
+		$this->profileActions[] = new ServiceRegistration($appId, $actionClass);
+	}
+
+	/**
 	 * @param App[] $apps
 	 */
 	public function delegateCapabilityRegistrations(array $apps): void {
@@ -552,4 +571,11 @@ class RegistrationContext {
 	public function getCalendarProviders(): array {
 		return $this->calendarProviders;
 	}
+
+	/**
+	 * @return ServiceRegistration<ILinkAction>[]
+	 */
+	public function getProfileActions(): array {
+		return $this->profileActions;
+	}
 }
diff --git a/lib/private/Contacts/ContactsMenu/ActionProviderStore.php b/lib/private/Contacts/ContactsMenu/ActionProviderStore.php
index a984f9d6dfb..1db99497a21 100644
--- a/lib/private/Contacts/ContactsMenu/ActionProviderStore.php
+++ b/lib/private/Contacts/ContactsMenu/ActionProviderStore.php
@@ -24,11 +24,13 @@ declare(strict_types=1);
  * along with this program. If not, see <http://www.gnu.org/licenses/>.
  *
  */
+
 namespace OC\Contacts\ContactsMenu;
 
 use Exception;
 use OC\App\AppManager;
 use OC\Contacts\ContactsMenu\Providers\EMailProvider;
+use OC\Contacts\ContactsMenu\Providers\ProfileProvider;
 use OCP\AppFramework\QueryException;
 use OCP\Contacts\ContactsMenu\IProvider;
 use OCP\IServerContainer;
@@ -67,7 +69,8 @@ class ActionProviderStore {
 			try {
 				$providers[] = $this->serverContainer->query($class);
 			} catch (QueryException $ex) {
-				$this->logger->error('Could not load contacts menu action provider ' . $class,
+				$this->logger->error(
+					'Could not load contacts menu action provider ' . $class,
 					[
 						'app' => 'core',
 						'exception' => $ex,
@@ -85,6 +88,7 @@ class ActionProviderStore {
 	 */
 	private function getServerProviderClasses(): array {
 		return [
+			ProfileProvider::class,
 			EMailProvider::class,
 		];
 	}
diff --git a/lib/private/Contacts/ContactsMenu/ContactsStore.php b/lib/private/Contacts/ContactsMenu/ContactsStore.php
index 31e13bbe8f2..a4a53bf8774 100644
--- a/lib/private/Contacts/ContactsMenu/ContactsStore.php
+++ b/lib/private/Contacts/ContactsMenu/ContactsStore.php
@@ -1,4 +1,5 @@
 <?php
+
 /**
  * @copyright 2017 Christoph Wurst <christoph@winzerhof-wurst.at>
  * @copyright 2017 Lukas Reschke <lukas@statuscode.ch>
@@ -27,18 +28,26 @@
  * along with this program. If not, see <http://www.gnu.org/licenses/>.
  *
  */
+
 namespace OC\Contacts\ContactsMenu;
 
 use OC\KnownUser\KnownUserService;
+use OCP\Accounts\IAccountManager;
 use OCP\Contacts\ContactsMenu\IContactsStore;
 use OCP\Contacts\ContactsMenu\IEntry;
 use OCP\Contacts\IManager;
 use OCP\IConfig;
 use OCP\IGroupManager;
+use OCP\IURLGenerator;
 use OCP\IUser;
 use OCP\IUserManager;
+use OCP\L10N\IFactory as IL10NFactory;
 
 class ContactsStore implements IContactsStore {
+	use \OC\Profile\TProfileHelper;
+
+	/** @var IAccountManager */
+	private $accountManager;
 
 	/** @var IManager */
 	private $contactsManager;
@@ -49,22 +58,36 @@ class ContactsStore implements IContactsStore {
 	/** @var IUserManager */
 	private $userManager;
 
+	/** @var IURLGenerator */
+	private $urlGenerator;
+
 	/** @var IGroupManager */
 	private $groupManager;
 
 	/** @var KnownUserService */
 	private $knownUserService;
 
-	public function __construct(IManager $contactsManager,
-								IConfig $config,
-								IUserManager $userManager,
-								IGroupManager $groupManager,
-								KnownUserService $knownUserService) {
+	/** @var IL10NFactory */
+	private $l10nFactory;
+
+	public function __construct(
+		IAccountManager $accountManager,
+		IManager $contactsManager,
+		IConfig $config,
+		IUserManager $userManager,
+		IURLGenerator $urlGenerator,
+		IGroupManager $groupManager,
+		KnownUserService $knownUserService,
+		IL10NFactory $l10nFactory
+	) {
+		$this->accountManager = $accountManager;
 		$this->contactsManager = $contactsManager;
 		$this->config = $config;
 		$this->userManager = $userManager;
+		$this->urlGenerator = $urlGenerator;
 		$this->groupManager = $groupManager;
 		$this->knownUserService = $knownUserService;
+		$this->l10nFactory = $l10nFactory;
 	}
 
 	/**
@@ -116,9 +139,11 @@ class ContactsStore implements IContactsStore {
 	 * @param string $filter
 	 * @return Entry[] the filtered contacts
 	 */
-	private function filterContacts(IUser $self,
-									array $entries,
-									$filter) {
+	private function filterContacts(
+		IUser $self,
+		array $entries,
+		$filter
+	) {
 		$disallowEnumeration = $this->config->getAppValue('core', 'shareapi_allow_share_dialog_user_enumeration', 'yes') !== 'yes';
 		$restrictEnumerationGroup = $this->config->getAppValue('core', 'shareapi_restrict_user_enumeration_to_group', 'no') === 'yes';
 		$restrictEnumerationPhone = $this->config->getAppValue('core', 'shareapi_restrict_user_enumeration_to_phone', 'no') === 'yes';
@@ -302,6 +327,19 @@ class ContactsStore implements IContactsStore {
 			}
 		}
 
+		// Provide profile parameters for core/src/OC/contactsmenu/contact.handlebars template
+		if (isset($contact['UID']) && isset($contact['FN'])) {
+			$targetUserId = $contact['UID'];
+			$user = $this->userManager->get($targetUserId);
+			if (!empty($user)) {
+				$account = $this->accountManager->getAccount($user);
+				if ($this->isProfileEnabled($account)) {
+					$entry->setProfileTitle($this->l10nFactory->get('core')->t('View profile'));
+					$entry->setProfileUrl($this->urlGenerator->linkToRouteAbsolute('core.ProfilePage.index', ['targetUserId' => $targetUserId]));
+				}
+			}
+		}
+
 		// Attach all other properties to the entry too because some
 		// providers might make use of it.
 		$entry->setProperties($contact);
diff --git a/lib/private/Contacts/ContactsMenu/Entry.php b/lib/private/Contacts/ContactsMenu/Entry.php
index aea71df2968..915a0434cc8 100644
--- a/lib/private/Contacts/ContactsMenu/Entry.php
+++ b/lib/private/Contacts/ContactsMenu/Entry.php
@@ -24,6 +24,7 @@ declare(strict_types=1);
  * along with this program. If not, see <http://www.gnu.org/licenses/>.
  *
  */
+
 namespace OC\Contacts\ContactsMenu;
 
 use OCP\Contacts\ContactsMenu\IAction;
@@ -43,6 +44,12 @@ class Entry implements IEntry {
 	/** @var string|null */
 	private $avatar;
 
+	/** @var string|null */
+	private $profileTitle;
+
+	/** @var string|null */
+	private $profileUrl;
+
 	/** @var IAction[] */
 	private $actions = [];
 
@@ -99,6 +106,34 @@ class Entry implements IEntry {
 	}
 
 	/**
+	 * @param string $profileTitle
+	 */
+	public function setProfileTitle(string $profileTitle): void {
+		$this->profileTitle = $profileTitle;
+	}
+
+	/**
+	 * @return string
+	 */
+	public function getProfileTitle(): ?string {
+		return $this->profileTitle;
+	}
+
+	/**
+	 * @param string $profileUrl
+	 */
+	public function setProfileUrl(string $profileUrl): void {
+		$this->profileUrl = $profileUrl;
+	}
+
+	/**
+	 * @return string
+	 */
+	public function getProfileUrl(): ?string {
+		return $this->profileUrl;
+	}
+
+	/**
 	 * @param IAction $action
 	 */
 	public function addAction(IAction $action): void {
@@ -166,6 +201,8 @@ class Entry implements IEntry {
 			'actions' => $otherActions,
 			'lastMessage' => '',
 			'emailAddresses' => $this->getEMailAddresses(),
+			'profileTitle' => $this->profileTitle,
+			'profileUrl' => $this->profileUrl,
 		];
 	}
 }
diff --git a/lib/private/Contacts/ContactsMenu/Providers/ProfileProvider.php b/lib/private/Contacts/ContactsMenu/Providers/ProfileProvider.php
new file mode 100644
index 00000000000..4882c0ac883
--- /dev/null
+++ b/lib/private/Contacts/ContactsMenu/Providers/ProfileProvider.php
@@ -0,0 +1,93 @@
+<?php
+
+/**
+ * @copyright 2017 Christoph Wurst <christoph@winzerhof-wurst.at>
+ *
+ * @author Christoph Wurst <christoph@winzerhof-wurst.at>
+ *
+ * @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 OC\Contacts\ContactsMenu\Providers;
+
+use OCP\Accounts\IAccountManager;
+use OCP\Contacts\ContactsMenu\IActionFactory;
+use OCP\Contacts\ContactsMenu\IEntry;
+use OCP\Contacts\ContactsMenu\IProvider;
+use OCP\IURLGenerator;
+use OCP\IUserManager;
+use OCP\L10N\IFactory as IL10NFactory;
+
+class ProfileProvider implements IProvider {
+	use \OC\Profile\TProfileHelper;
+
+	/** @var IAccountManager */
+	private $accountManager;
+
+	/** @var IActionFactory */
+	private $actionFactory;
+
+	/** @var IL10NFactory */
+	private $l10nFactory;
+
+	/** @var IURLGenerator */
+	private $urlGenerator;
+
+	/** @var IUserManager */
+	private $userManager;
+
+	/**
+	 * @param IAccountManager $accountManager
+	 * @param IActionFactory $actionFactory
+	 * @param IL10NFactory $l10nFactory
+	 * @param IURLGenerator $urlGenerator
+	 * @param IUserManager $userManager
+	 */
+	public function __construct(
+		IAccountManager $accountManager,
+		IActionFactory $actionFactory,
+		IL10NFactory $l10nFactory,
+		IURLGenerator $urlGenerator,
+		IUserManager $userManager
+	) {
+		$this->accountManager = $accountManager;
+		$this->actionFactory = $actionFactory;
+		$this->l10nFactory = $l10nFactory;
+		$this->urlGenerator = $urlGenerator;
+		$this->userManager = $userManager;
+	}
+
+	/**
+	 * @param IEntry $entry
+	 */
+	public function process(IEntry $entry) {
+		$targetUserId = $entry->getProperty('UID');
+		$targetUser = $this->userManager->get($targetUserId);
+		if (!empty($targetUser)) {
+			$account = $this->accountManager->getAccount($targetUser);
+			if ($this->isProfileEnabled($account)) {
+				$iconUrl = $this->urlGenerator->getAbsoluteURL($this->urlGenerator->imagePath('core', 'actions/profile.svg'));
+				$profileActionText = $this->l10nFactory->get('core')->t('View profile');
+				$profileUrl = $this->urlGenerator->linkToRouteAbsolute('core.ProfilePage.index', ['targetUserId' => $targetUserId]);
+				$action = $this->actionFactory->newLinkAction($iconUrl, $profileActionText, $profileUrl);
+				// Set highest priority (by descending order), other actions have the default priority 10 as defined in lib/private/Contacts/ContactsMenu/Actions/LinkAction.php
+				$action->setPriority(20);
+				$entry->addAction($action);
+			}
+		}
+	}
+}
diff --git a/lib/private/Profile/Actions/EmailAction.php b/lib/private/Profile/Actions/EmailAction.php
new file mode 100644
index 00000000000..1eef1236630
--- /dev/null
+++ b/lib/private/Profile/Actions/EmailAction.php
@@ -0,0 +1,94 @@
+<?php
+
+declare(strict_types=1);
+
+/**
+ * @copyright 2021 Christopher Ng <chrng8@gmail.com>
+ *
+ * @author Christopher Ng <chrng8@gmail.com>
+ *
+ * @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 OC\Profile\Actions;
+
+use OCP\Accounts\IAccountManager;
+use OCP\IURLGenerator;
+use OCP\IUser;
+use OCP\L10N\IFactory;
+use OCP\Profile\ILinkAction;
+
+class EmailAction implements ILinkAction {
+
+	/** @var string */
+	private $value;
+
+	/** @var IAccountManager */
+	private $accountManager;
+
+	/** @var IFactory */
+	private $l10nFactory;
+
+	/** @var IUrlGenerator */
+	private $urlGenerator;
+
+	public function __construct(
+		IAccountManager $accountManager,
+		IFactory $l10nFactory,
+		IURLGenerator $urlGenerator
+	) {
+		$this->accountManager = $accountManager;
+		$this->l10nFactory = $l10nFactory;
+		$this->urlGenerator = $urlGenerator;
+	}
+
+	public function preload(IUser $targetUser): void {
+		$account = $this->accountManager->getAccount($targetUser);
+		$this->value = $account->getProperty(IAccountManager::PROPERTY_EMAIL)->getValue();
+	}
+
+	public function getAppId(): string {
+		return 'core';
+	}
+
+	public function getId(): string {
+		return IAccountManager::PROPERTY_EMAIL;
+	}
+
+	public function getDisplayId(): string {
+		return $this->l10nFactory->get('core')->t('Email');
+	}
+
+	public function getTitle(): string {
+		return $this->l10nFactory->get('core')->t('Mail %s', [$this->value]);
+	}
+
+	public function getPriority(): int {
+		return 20;
+	}
+
+	public function getIcon(): string {
+		return $this->urlGenerator->getAbsoluteURL($this->urlGenerator->imagePath('core', 'actions/mail.svg'));
+	}
+
+	public function getTarget(): ?string {
+		if (empty($this->value)) {
+			return null;
+		}
+		return 'mailto:' . $this->value;
+	}
+}
diff --git a/lib/private/Profile/Actions/PhoneAction.php b/lib/private/Profile/Actions/PhoneAction.php
new file mode 100644
index 00000000000..df0e30cd277
--- /dev/null
+++ b/lib/private/Profile/Actions/PhoneAction.php
@@ -0,0 +1,94 @@
+<?php
+
+declare(strict_types=1);
+
+/**
+ * @copyright 2021 Christopher Ng <chrng8@gmail.com>
+ *
+ * @author Christopher Ng <chrng8@gmail.com>
+ *
+ * @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 OC\Profile\Actions;
+
+use OCP\Accounts\IAccountManager;
+use OCP\IURLGenerator;
+use OCP\IUser;
+use OCP\L10N\IFactory;
+use OCP\Profile\ILinkAction;
+
+class PhoneAction implements ILinkAction {
+
+	/** @var string */
+	private $value;
+
+	/** @var IAccountManager */
+	private $accountManager;
+
+	/** @var IFactory */
+	private $l10nFactory;
+
+	/** @var IUrlGenerator */
+	private $urlGenerator;
+
+	public function __construct(
+		IAccountManager $accountManager,
+		IFactory $l10nFactory,
+		IURLGenerator $urlGenerator
+	) {
+		$this->accountManager = $accountManager;
+		$this->l10nFactory = $l10nFactory;
+		$this->urlGenerator = $urlGenerator;
+	}
+
+	public function preload(IUser $targetUser): void {
+		$account = $this->accountManager->getAccount($targetUser);
+		$this->value = $account->getProperty(IAccountManager::PROPERTY_PHONE)->getValue();
+	}
+
+	public function getAppId(): string {
+		return 'core';
+	}
+
+	public function getId(): string {
+		return IAccountManager::PROPERTY_PHONE;
+	}
+
+	public function getDisplayId(): string {
+		return $this->l10nFactory->get('core')->t('Phone');
+	}
+
+	public function getTitle(): string {
+		return $this->l10nFactory->get('core')->t('Call %s', [$this->value]);
+	}
+
+	public function getPriority(): int {
+		return 30;
+	}
+
+	public function getIcon(): string {
+		return $this->urlGenerator->getAbsoluteURL($this->urlGenerator->imagePath('core', 'actions/phone.svg'));
+	}
+
+	public function getTarget(): ?string {
+		if (empty($this->value)) {
+			return null;
+		}
+		return 'tel:' . $this->value;
+	}
+}
diff --git a/lib/private/Profile/Actions/TwitterAction.php b/lib/private/Profile/Actions/TwitterAction.php
new file mode 100644
index 00000000000..3dcfa8aaf12
--- /dev/null
+++ b/lib/private/Profile/Actions/TwitterAction.php
@@ -0,0 +1,97 @@
+<?php
+
+declare(strict_types=1);
+
+/**
+ * @copyright 2021 Christopher Ng <chrng8@gmail.com>
+ *
+ * @author Christopher Ng <chrng8@gmail.com>
+ *
+ * @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 OC\Profile\Actions;
+
+use function Safe\substr;
+use OCP\Accounts\IAccountManager;
+use OCP\IURLGenerator;
+use OCP\IUser;
+use OCP\L10N\IFactory;
+use OCP\Profile\ILinkAction;
+
+class TwitterAction implements ILinkAction {
+
+	/** @var string */
+	private $value;
+
+	/** @var IAccountManager */
+	private $accountManager;
+
+	/** @var IFactory */
+	private $l10nFactory;
+
+	/** @var IUrlGenerator */
+	private $urlGenerator;
+
+	public function __construct(
+		IAccountManager $accountManager,
+		IFactory $l10nFactory,
+		IURLGenerator $urlGenerator
+	) {
+		$this->accountManager = $accountManager;
+		$this->l10nFactory = $l10nFactory;
+		$this->urlGenerator = $urlGenerator;
+	}
+
+	public function preload(IUser $targetUser): void {
+		$account = $this->accountManager->getAccount($targetUser);
+		$this->value = $account->getProperty(IAccountManager::PROPERTY_TWITTER)->getValue();
+	}
+
+	public function getAppId(): string {
+		return 'core';
+	}
+
+	public function getId(): string {
+		return IAccountManager::PROPERTY_TWITTER;
+	}
+
+	public function getDisplayId(): string {
+		return $this->l10nFactory->get('core')->t('Twitter');
+	}
+
+	public function getTitle(): string {
+		$displayUsername = $this->value[0] === '@' ? $this->value : '@' . $this->value;
+		return $this->l10nFactory->get('core')->t('View %s on Twitter', [$displayUsername]);
+	}
+
+	public function getPriority(): int {
+		return 50;
+	}
+
+	public function getIcon(): string {
+		return $this->urlGenerator->getAbsoluteURL($this->urlGenerator->imagePath('core', 'actions/twitter.svg'));
+	}
+
+	public function getTarget(): ?string {
+		if (empty($this->value)) {
+			return null;
+		}
+		$username = $this->value[0] === '@' ? substr($this->value, 1) : $this->value;
+		return 'https://twitter.com/' . $username;
+	}
+}
diff --git a/lib/private/Profile/Actions/WebsiteAction.php b/lib/private/Profile/Actions/WebsiteAction.php
new file mode 100644
index 00000000000..ea1daeee20e
--- /dev/null
+++ b/lib/private/Profile/Actions/WebsiteAction.php
@@ -0,0 +1,94 @@
+<?php
+
+declare(strict_types=1);
+
+/**
+ * @copyright 2021 Christopher Ng <chrng8@gmail.com>
+ *
+ * @author Christopher Ng <chrng8@gmail.com>
+ *
+ * @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 OC\Profile\Actions;
+
+use OCP\Accounts\IAccountManager;
+use OCP\IURLGenerator;
+use OCP\IUser;
+use OCP\L10N\IFactory;
+use OCP\Profile\ILinkAction;
+
+class WebsiteAction implements ILinkAction {
+
+	/** @var string */
+	private $value;
+
+	/** @var IAccountManager */
+	private $accountManager;
+
+	/** @var IFactory */
+	private $l10nFactory;
+
+	/** @var IUrlGenerator */
+	private $urlGenerator;
+
+	public function __construct(
+		IAccountManager $accountManager,
+		IFactory $l10nFactory,
+		IURLGenerator $urlGenerator
+	) {
+		$this->accountManager = $accountManager;
+		$this->l10nFactory = $l10nFactory;
+		$this->urlGenerator = $urlGenerator;
+	}
+
+	public function preload(IUser $targetUser): void {
+		$account = $this->accountManager->getAccount($targetUser);
+		$this->value = $account->getProperty(IAccountManager::PROPERTY_WEBSITE)->getValue();
+	}
+
+	public function getAppId(): string {
+		return 'core';
+	}
+
+	public function getId(): string {
+		return IAccountManager::PROPERTY_WEBSITE;
+	}
+
+	public function getDisplayId(): string {
+		return $this->l10nFactory->get('core')->t('Website');
+	}
+
+	public function getTitle(): string {
+		return $this->l10nFactory->get('core')->t('Visit %s', [$this->value]);
+	}
+
+	public function getPriority(): int {
+		return 40;
+	}
+
+	public function getIcon(): string {
+		return $this->urlGenerator->getAbsoluteURL($this->urlGenerator->imagePath('core', 'actions/timezone.svg'));
+	}
+
+	public function getTarget(): ?string {
+		if (empty($this->value)) {
+			return null;
+		}
+		return $this->value;
+	}
+}
diff --git a/lib/private/Profile/ProfileManager.php b/lib/private/Profile/ProfileManager.php
new file mode 100644
index 00000000000..6a38f4ae16d
--- /dev/null
+++ b/lib/private/Profile/ProfileManager.php
@@ -0,0 +1,333 @@
+<?php
+
+declare(strict_types=1);
+
+/**
+ * @copyright 2021 Christopher Ng <chrng8@gmail.com>
+ *
+ * @author Christopher Ng <chrng8@gmail.com>
+ *
+ * @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 OC\Profile;
+
+use function Safe\usort;
+
+use OC\AppFramework\Bootstrap\Coordinator;
+use OC\Core\Db\ProfileConfig;
+use OC\Core\Db\ProfileConfigMapper;
+use OC\KnownUser\KnownUserService;
+use OC\Profile\Actions\EmailAction;
+use OC\Profile\Actions\PhoneAction;
+use OC\Profile\Actions\TwitterAction;
+use OC\Profile\Actions\WebsiteAction;
+use OCP\Accounts\IAccountManager;
+use OCP\Accounts\PropertyDoesNotExistException;
+use OCP\App\IAppManager;
+use OCP\AppFramework\Db\DoesNotExistException;
+use OCP\IUser;
+use OCP\L10N\IFactory;
+use OCP\Profile\ILinkAction;
+use Psr\Container\ContainerInterface;
+use Psr\Log\LoggerInterface;
+
+/**
+ * @inheritDoc
+ */
+class ProfileManager {
+
+	/** @var IAccountManager */
+	private $accountManager;
+
+	/** @var IAppManager */
+	private $appManager;
+
+	/** @var ProfileConfigMapper */
+	private $configMapper;
+
+	/** @var ContainerInterface */
+	private $container;
+
+	/** @var KnownUserService */
+	private $knownUserService;
+
+	/** @var IFactory */
+	private $l10nFactory;
+
+	/** @var LoggerInterface */
+	private $logger;
+
+	/** @var Coordinator */
+	private $coordinator;
+
+	/** @var ILinkAction[] */
+	private $actions = [];
+
+	private const ACCOUNT_PROPERTY_ACTIONS = [
+		EmailAction::class,
+		PhoneAction::class,
+		WebsiteAction::class,
+		TwitterAction::class,
+	];
+
+	/**
+	 * Array of account properties displayed on the profile
+	 */
+	private const PROFILE_PROPERTIES = [
+		IAccountManager::PROPERTY_ADDRESS,
+		IAccountManager::PROPERTY_BIOGRAPHY,
+		IAccountManager::PROPERTY_DISPLAYNAME,
+		IAccountManager::PROPERTY_HEADLINE,
+		IAccountManager::PROPERTY_ORGANISATION,
+		IAccountManager::PROPERTY_ROLE,
+	];
+
+	public function __construct(
+		IAccountManager $accountManager,
+		IAppManager $appManager,
+		ProfileConfigMapper $configMapper,
+		ContainerInterface $container,
+		KnownUserService $knownUserService,
+		IFactory $l10nFactory,
+		LoggerInterface $logger,
+		Coordinator $coordinator
+	) {
+		$this->accountManager = $accountManager;
+		$this->appManager = $appManager;
+		$this->configMapper = $configMapper;
+		$this->container = $container;
+		$this->knownUserService = $knownUserService;
+		$this->l10nFactory = $l10nFactory;
+		$this->logger = $logger;
+		$this->coordinator = $coordinator;
+	}
+
+	/**
+	 * Register an action for the user
+	 */
+	private function registerAction(IUser $targetUser, ?IUser $visitingUser, ILinkAction $action): void {
+		$action->preload($targetUser);
+
+		if ($action->getTarget() === null) {
+			// Actions without a target are not registered
+			return;
+		}
+
+		if (isset($this->actions[$action->getId()])) {
+			$this->logger->error('Cannot register duplicate action: ' . $action->getId());
+			return;
+		}
+
+		if ($action->getAppId() !== 'core') {
+			if (!$this->appManager->isEnabledForUser($action->getAppId(), $targetUser)) {
+				$this->logger->notice('App: ' . $action->getAppId() . ' cannot register actions as it is not enabled for the user: ' . $targetUser->getUID());
+				return;
+			}
+			if ($visitingUser === null) {
+				$this->logger->notice('App: ' . $action->getAppId() . ' cannot register actions as it is not available to non logged in users');
+				return;
+			}
+			if (!$this->appManager->isEnabledForUser($action->getAppId(), $visitingUser)) {
+				$this->logger->notice('App: ' . $action->getAppId() . ' cannot register actions as it is not enabled for the visiting user: ' . $visitingUser->getUID());
+				return;
+			}
+		}
+
+		// Add action to associative array of actions
+		$this->actions[$action->getId()] = $action;
+	}
+
+	/**
+	 * Return an array of registered profile actions for the user
+	 *
+	 * @return ILinkAction[]
+	 */
+	private function getActions(IUser $targetUser, ?IUser $visitingUser): array {
+		$context = $this->coordinator->getRegistrationContext();
+		if ($context === null) {
+			return [];
+		}
+
+		foreach (self::ACCOUNT_PROPERTY_ACTIONS as $actionClass) {
+			/** @var ILinkAction $provider */
+			$provider = $this->container->get($actionClass);
+			$this->registerAction($targetUser, $visitingUser, $provider);
+		}
+
+		foreach ($context->getProfileActions() as $registration) {
+			/** @var ILinkAction $provider */
+			$provider = $this->container->get($registration->getService());
+			$this->registerAction($targetUser, $visitingUser, $provider);
+		}
+
+		$actionsClone = $this->actions;
+		// Sort associative array into indexed array in ascending order of priority
+		usort($actionsClone, function (ILinkAction $a, ILinkAction $b) {
+			return $a->getPriority() === $b->getPriority() ? 0 : ($a->getPriority() < $b->getPriority() ? -1 : 1);
+		});
+		return $actionsClone;
+	}
+
+	/**
+	 * Return whether the profile parameter is visible to the visiting user
+	 */
+	private function isParameterVisible(IUser $targetUser, ?IUser $visitingUser, string $paramId): bool {
+		try {
+			$account = $this->accountManager->getAccount($targetUser);
+			$scope = $account->getProperty($paramId)->getScope();
+		} catch (PropertyDoesNotExistException $e) {
+			// Allow the exception as not all profile parameters are account properties
+		}
+
+		$visibility = $this->getProfileConfig($targetUser, $visitingUser)[$paramId]['visibility'];
+		// Handle profile visibility and account property scope
+		switch ($visibility) {
+			case ProfileConfig::VISIBILITY_HIDE:
+				return false;
+			case ProfileConfig::VISIBILITY_SHOW_USERS_ONLY:
+				if (!empty($scope)) {
+					switch ($scope) {
+						case IAccountManager::SCOPE_PRIVATE:
+							return $visitingUser !== null && $this->knownUserService->isKnownToUser($targetUser->getUID(), $visitingUser->getUID());
+						case IAccountManager::SCOPE_LOCAL:
+						case IAccountManager::SCOPE_FEDERATED:
+						case IAccountManager::SCOPE_PUBLISHED:
+							return $visitingUser !== null;
+						default:
+							return false;
+					}
+				}
+				return $visitingUser !== null;
+			case ProfileConfig::VISIBILITY_SHOW:
+				if (!empty($scope)) {
+					switch ($scope) {
+						case IAccountManager::SCOPE_PRIVATE:
+							return $visitingUser !== null && $this->knownUserService->isKnownToUser($targetUser->getUID(), $visitingUser->getUID());
+						case IAccountManager::SCOPE_LOCAL:
+						case IAccountManager::SCOPE_FEDERATED:
+						case IAccountManager::SCOPE_PUBLISHED:
+							return true;
+						default:
+							return false;
+					}
+				}
+				return true;
+			default:
+				return false;
+		}
+	}
+
+	/**
+	 * @inheritDoc
+	 */
+	public function getProfileParams(IUser $targetUser, ?IUser $visitingUser): array {
+		$account = $this->accountManager->getAccount($targetUser);
+		// Initialize associative array of profile parameters
+		$profileParameters = [
+			'userId' => $account->getUser()->getUID(),
+		];
+
+		// Add account properties
+		foreach (self::PROFILE_PROPERTIES as $property) {
+			$profileParameters[$property] =
+				$this->isParameterVisible($targetUser, $visitingUser, $property)
+				// Explicitly set to null when value is empty string
+				? ($account->getProperty($property)->getValue() ?: null)
+				: null;
+		}
+
+		// Add avatar visibility
+		$profileParameters['isUserAvatarVisible'] = $this->isParameterVisible($targetUser, $visitingUser, IAccountManager::PROPERTY_AVATAR);
+
+		// Add actions
+		$profileParameters['actions'] = array_map(
+			function (ILinkAction $action) {
+				return [
+					'id' => $action->getId(),
+					'icon' => $action->getIcon(),
+					'title' => $action->getTitle(),
+					'target' => $action->getTarget(),
+				];
+			},
+			// This is needed to reindex the array after filtering
+			array_values(
+				array_filter(
+					$this->getActions($targetUser, $visitingUser),
+					function (ILinkAction $action) use ($targetUser, $visitingUser) {
+						return $this->isParameterVisible($targetUser, $visitingUser, $action->getId());
+					}
+				),
+			)
+		);
+
+		return $profileParameters;
+	}
+
+	/**
+	 * @inheritDoc
+	 */
+	public function getProfileConfig(IUser $targetUser, ?IUser $visitingUser): array {
+		try {
+			$configArray = $this->configMapper->getArray($targetUser->getUID());
+		} catch (DoesNotExistException $e) {
+			$config = new ProfileConfig();
+			$config->setUserId($targetUser->getUID());
+
+			// Map of account properties to display IDs
+			$propertyDisplayMap = [
+				IAccountManager::PROPERTY_ADDRESS => $this->l10nFactory->get('core')->t('Address'),
+				IAccountManager::PROPERTY_AVATAR => $this->l10nFactory->get('core')->t('Avatar'),
+				IAccountManager::PROPERTY_BIOGRAPHY => $this->l10nFactory->get('core')->t('About'),
+				IAccountManager::PROPERTY_DISPLAYNAME => $this->l10nFactory->get('core')->t('Full name'),
+				IAccountManager::PROPERTY_HEADLINE => $this->l10nFactory->get('core')->t('Headline'),
+				IAccountManager::PROPERTY_ORGANISATION => $this->l10nFactory->get('core')->t('Organisation'),
+				IAccountManager::PROPERTY_ROLE => $this->l10nFactory->get('core')->t('Role'),
+				IAccountManager::PROPERTY_EMAIL => $this->l10nFactory->get('core')->t('Email'),
+				IAccountManager::PROPERTY_PHONE => $this->l10nFactory->get('core')->t('Phone'),
+				IAccountManager::PROPERTY_TWITTER => $this->l10nFactory->get('core')->t('Twitter'),
+				IAccountManager::PROPERTY_WEBSITE => $this->l10nFactory->get('core')->t('Website'),
+			];
+
+			// Contruct the default config for account properties
+			$propertiesConfig = [];
+			foreach ($propertyDisplayMap as $property => $displayId) {
+				$propertiesConfig[$property] = [
+					'displayId' => $displayId,
+					'visibility' => ProfileConfig::DEFAULT_PROPERTY_VISIBILITY[$property] ?: ProfileConfig::DEFAULT_VISIBILITY,
+				];
+			}
+
+			// Contruct the default config for actions
+			$actionsConfig = [];
+			/** @var ILinkAction $action */
+			foreach ($this->getActions($targetUser, $visitingUser) as $action) {
+				$actionsConfig[$action->getId()] = [
+					'displayId' => $action->getDisplayId(),
+					'visibility' => ProfileConfig::DEFAULT_VISIBILITY,
+				];
+			}
+
+			// Set the default config
+			$config->setConfigArray(array_merge($propertiesConfig, $actionsConfig));
+			$this->configMapper->insert($config);
+			$configArray = $config->getConfigArray();
+		}
+
+		return $configArray;
+	}
+}
diff --git a/lib/private/Profile/TProfileHelper.php b/lib/private/Profile/TProfileHelper.php
new file mode 100644
index 00000000000..0d4b5c6286e
--- /dev/null
+++ b/lib/private/Profile/TProfileHelper.php
@@ -0,0 +1,46 @@
+<?php
+
+declare(strict_types=1);
+
+/**
+ * @copyright 2021 Christopher Ng <chrng8@gmail.com>
+ *
+ * @author Christopher Ng <chrng8@gmail.com>
+ *
+ * @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 OC\Profile;
+
+use OCP\Accounts\IAccount;
+use OCP\Accounts\IAccountManager;
+
+trait TProfileHelper {
+
+	/**
+	 * Returns whether the profile is enabled for the account
+	 *
+	 * @since 23.0.0
+	 */
+	protected function isProfileEnabled(IAccount $account): ?bool {
+		return filter_var(
+			$account->getProperty(IAccountManager::PROPERTY_PROFILE_ENABLED)->getValue(),
+			FILTER_VALIDATE_BOOLEAN,
+			FILTER_NULL_ON_FAILURE,
+		);
+	}
+}
diff --git a/lib/private/Setup.php b/lib/private/Setup.php
index c24d417f8cf..a7f0f190fa2 100644
--- a/lib/private/Setup.php
+++ b/lib/private/Setup.php
@@ -425,6 +425,9 @@ class Setup {
 			//and we are done
 			$config->setSystemValue('installed', true);
 
+			$bootstrapCoordinator = \OC::$server->query(\OC\AppFramework\Bootstrap\Coordinator::class);
+			$bootstrapCoordinator->runInitialRegistration();
+
 			// Create a session token for the newly created user
 			// The token provider requires a working db, so it's not injected on setup
 			/* @var $userSession User\Session */
diff --git a/lib/private/Template/SCSSCacher.php b/lib/private/Template/SCSSCacher.php
index 0543427f997..c1bd556de60 100644
--- a/lib/private/Template/SCSSCacher.php
+++ b/lib/private/Template/SCSSCacher.php
@@ -32,6 +32,7 @@ namespace OC\Template;
 use OC\AppConfig;
 use OC\Files\AppData\Factory;
 use OC\Memcache\NullCache;
+use OCA\Theming\ThemingDefaults;
 use OCP\AppFramework\Utility\ITimeFactory;
 use OCP\Files\IAppData;
 use OCP\Files\NotFoundException;
@@ -62,7 +63,7 @@ class SCSSCacher {
 	/** @var IConfig */
 	protected $config;
 
-	/** @var \OC_Defaults */
+	/** @var ThemingDefaults */
 	private $defaults;
 
 	/** @var string */
@@ -96,7 +97,7 @@ class SCSSCacher {
 	 * @param Factory $appDataFactory
 	 * @param IURLGenerator $urlGenerator
 	 * @param IConfig $config
-	 * @param \OC_Defaults $defaults
+	 * @param ThemingDefaults $defaults
 	 * @param string $serverRoot
 	 * @param ICacheFactory $cacheFactory
 	 * @param IconsCacher $iconsCacher
@@ -106,7 +107,7 @@ class SCSSCacher {
 								Factory $appDataFactory,
 								IURLGenerator $urlGenerator,
 								IConfig $config,
-								\OC_Defaults $defaults,
+								ThemingDefaults $defaults,
 								$serverRoot,
 								ICacheFactory $cacheFactory,
 								IconsCacher $iconsCacher,
@@ -406,7 +407,7 @@ class SCSSCacher {
 	}
 
 	/**
-	 * @return string SCSS code for variables from OC_Defaults
+	 * @return string SCSS code for variables from ThemingDefaults
 	 */
 	private function getInjectedVariables(string $cache = ''): string {
 		if ($this->injectedVariables !== null) {
diff --git a/lib/public/Accounts/IAccountManager.php b/lib/public/Accounts/IAccountManager.php
index 9418e07ec97..ae5f6b1e542 100644
--- a/lib/public/Accounts/IAccountManager.php
+++ b/lib/public/Accounts/IAccountManager.php
@@ -26,6 +26,7 @@ declare(strict_types=1);
  * along with this program. If not, see <http://www.gnu.org/licenses/>.
  *
  */
+
 namespace OCP\Accounts;
 
 use OCP\IUser;
@@ -96,6 +97,31 @@ interface IAccountManager {
 	public const PROPERTY_ADDRESS = 'address';
 	public const PROPERTY_TWITTER = 'twitter';
 
+	/**
+	 * @since 23.0.0
+	 */
+	public const PROPERTY_ORGANISATION = 'organisation';
+
+	/**
+	 * @since 23.0.0
+	 */
+	public const PROPERTY_ROLE = 'role';
+
+	/**
+	 * @since 23.0.0
+	 */
+	public const PROPERTY_HEADLINE = 'headline';
+
+	/**
+	 * @since 23.0.0
+	 */
+	public const PROPERTY_BIOGRAPHY = 'biography';
+
+	/**
+	 * @since 23.0.0
+	 */
+	public const PROPERTY_PROFILE_ENABLED = 'profile_enabled';
+
 	public const COLLECTION_EMAIL = 'additional_mail';
 
 	public const NOT_VERIFIED = '0';
diff --git a/lib/public/AppFramework/Bootstrap/IRegistrationContext.php b/lib/public/AppFramework/Bootstrap/IRegistrationContext.php
index d396c619923..f75cdb18cfb 100644
--- a/lib/public/AppFramework/Bootstrap/IRegistrationContext.php
+++ b/lib/public/AppFramework/Bootstrap/IRegistrationContext.php
@@ -26,6 +26,7 @@ declare(strict_types=1);
  * along with this program. If not, see <http://www.gnu.org/licenses/>.
  *
  */
+
 namespace OCP\AppFramework\Bootstrap;
 
 use OCP\AppFramework\IAppContainer;
@@ -74,6 +75,7 @@ interface IRegistrationContext {
 	 * @since 20.0.0
 	 */
 	public function registerDashboardWidget(string $widgetClass): void;
+
 	/**
 	 * Register a service
 	 *
@@ -237,4 +239,15 @@ interface IRegistrationContext {
 	 * @since 23.0.0
 	 */
 	public function registerCalendarProvider(string $class): void;
+
+	/**
+	 * Register an implementation of \OCP\Profile\ILinkAction that
+	 * will handle the implementation of a profile action
+	 *
+	 * @param string $actionClass
+	 * @psalm-param class-string<\OCP\Profile\ILinkAction> $actionClass
+	 * @return void
+	 * @since 23.0.0
+	 */
+	public function registerProfileAction(string $actionClass): void;
 }
diff --git a/lib/public/Profile/ILinkAction.php b/lib/public/Profile/ILinkAction.php
new file mode 100644
index 00000000000..67e69a73d9c
--- /dev/null
+++ b/lib/public/Profile/ILinkAction.php
@@ -0,0 +1,115 @@
+<?php
+
+declare(strict_types=1);
+
+/**
+ * @copyright 2021 Christopher Ng <chrng8@gmail.com>
+ *
+ * @author Christopher Ng <chrng8@gmail.com>
+ *
+ * @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 OCP\Profile;
+
+use OCP\IUser;
+
+/**
+ * @since 23.0.0
+ */
+interface ILinkAction {
+
+	/**
+	 * Preload the user specific value required by the action
+	 *
+	 * e.g. the email is loaded for the email action and the userId for the Talk action
+	 *
+	 * @since 23.0.0
+	 */
+	public function preload(IUser $targetUser): void;
+
+	/**
+	 * Returns the app ID of the action
+	 *
+	 * e.g. 'spreed'
+	 *
+	 * @since 23.0.0
+	 */
+	public function getAppId(): string;
+
+	/**
+	 * Returns the unique ID of the action
+	 *
+	 * *For account properties this is the constant defined in lib/public/Accounts/IAccountManager.php*
+	 *
+	 * e.g. 'email'
+	 *
+	 * @since 23.0.0
+	 */
+	public function getId(): string;
+
+	/**
+	 * Returns the translated unique display ID of the action
+	 *
+	 * Should be something short and descriptive of the action
+	 * as this is seen by the end-user when configuring actions
+	 *
+	 * e.g. 'Email'
+	 *
+	 * @since 23.0.0
+	 */
+	public function getDisplayId(): string;
+
+	/**
+	 * Returns the translated title
+	 *
+	 * e.g. 'Mail user@domain.com'
+	 *
+	 * Use the L10N service to translate it
+	 *
+	 * @since 23.0.0
+	 */
+	public function getTitle(): string;
+
+	/**
+	 * Returns the priority
+	 *
+	 * *Actions are sorted in ascending order*
+	 *
+	 * e.g. 60
+	 *
+	 * @since 23.0.0
+	 */
+	public function getPriority(): int;
+
+	/**
+	 * Returns the URL link to the 16*16 SVG icon
+	 *
+	 * @since 23.0.0
+	 */
+	public function getIcon(): string;
+
+	/**
+	 * Returns the target of the action,
+	 * if null is returned the action won't be registered
+	 *
+	 * e.g. 'mailto:user@domain.com'
+	 *
+	 * @since 23.0.0
+	 */
+	public function getTarget(): ?string;
+}
diff --git a/lib/public/Profile/ParameterDoesNotExistException.php b/lib/public/Profile/ParameterDoesNotExistException.php
new file mode 100644
index 00000000000..543a8edc17a
--- /dev/null
+++ b/lib/public/Profile/ParameterDoesNotExistException.php
@@ -0,0 +1,40 @@
+<?php
+
+declare(strict_types=1);
+
+/**
+ * @copyright 2021 Christopher Ng <chrng8@gmail.com>
+ *
+ * @author Christopher Ng <chrng8@gmail.com>
+ *
+ * @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 OCP\Profile;
+
+/**
+ * @since 23.0.0
+ */
+class ParameterDoesNotExistException extends \Exception {
+
+	/**
+	 * @since 23.0.0
+	 */
+	public function __construct($parameter) {
+		parent::__construct("Parameter $parameter does not exist.");
+	}
+}