[WIP] Vuetiful email section

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

apps/settings/src/components/PersonalInfo/EmailSection.vue

@@ -0,0 +1,108 @@
+<!--
+  - @copyright 2021 Christopher Ng <chrng8@gmail.com>
+  -
+  - @author 2021 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/>.
+  -->
+
+<template>
+	<form id="emailform" class="section">
+		<h3>
+			<label for="email">{{ t('settings', 'Emails') }}</label>
+			<a href="#" class="federation-menu" :aria-label="t('settings', 'Change privacy level of email')">
+				<span class="icon-federation-menu icon-password">
+					<span class="icon-triangle-s"></span>
+				</span>
+			</a>
+			<Actions>
+				<ActionButton icon="icon-add" @click.stop.prevent="addEmails(email, additionalEmails)">
+					{{ t('settings', 'Add email address') }}
+				</ActionButton>
+			</Actions>
+		</h3>
+		<input
+			type="email"
+			name="email"
+			id="email"
+			v-model="email"
+			:placeholder="t('settings', 'Your email address')" />
+		<input
+			v-for="(email, index) in additionalEmails"
+			type="email"
+			name="additionalEmail[]"
+			:id="`additionalEmail-${index}`"
+			v-model="email.value"
+			:placeholder="t('settings', `Additional email address ${index+1}`)"
+			:key="index" />
+		<input type="hidden" id="emailscope" value="emailScope">
+	</form>
+</template>
+
+<script>
+import { Actions, ActionButton } from '@nextcloud/vue'
+import axios from '@nextcloud/axios'
+import * as auth from '@nextcloud/auth'
+import * as router from '@nextcloud/router'
+
+export default {
+	name: 'EmailSection',
+	components: {
+		Actions,
+		ActionButton,
+	},
+	props: {
+		initialEmails: {
+			type: Array,
+			required: true,
+		},
+	},
+	data() {
+		/* eslint-disable */
+		console.log(this.initialEmails)
+		return {
+			email: this.initialEmails[0],
+			additionalEmails: this.initialEmails.slice(1).map(email => ({ value: email })),
+		}
+	},
+	methods: {
+		async addEmails(email, additionalEmails) {
+			const userId = auth.getCurrentUser().uid
+			// TODO upgrade @nextcloud/router to v2.0 so we can remove the .slice() trailing slash hack
+			const url = router.generateOcsUrl(`cloud/users/${userId}`, 2).slice(0, -1)
+
+			// Set the primary email
+			const res = await axios.put(url, {
+				key: 'email',
+				value: email,
+			})
+			// console.log(res.data)
+
+			// Set additional emails
+			const resp = await axios.put(url, {
+				key: 'additional_mail',
+				value: additionalEmails.map(({ value }) => value),
+			})
+			// console.log(res.data)
+
+			additionalEmails.push({ value: '' })
+		}
+	}
+}
+</script>
+
+<style scoped>
+</style>

apps/settings/src/main-personal-info.js

@@ -0,0 +1,39 @@
+/**
+ * @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/>.
+ *
+ */
+
+import Vue from 'vue'
+import { loadState } from '@nextcloud/initial-state'
+
+import EmailSection from './components/PersonalInfo/EmailSection'
+
+// eslint-disable-next-line camelcase
+__webpack_nonce__ = btoa(OC.requestToken)
+
+Vue.prototype.t = t
+
+const View = Vue.extend(EmailSection)
+new View({
+	propsData: {
+		initialEmails: loadState('settings', 'emails'),
+		// ...more initial props
+	},
+}).$mount('#vue-emailform')

apps/settings/templates/settings/personal/personal.info.php

@@ -31,6 +31,7 @@ script('settings', [
 	'federationsettingsview',
 	'federationscopemenu',
 	'settings/personalInfo',
+	'vue-settings-personal-info',
 ]);
 ?>
 
@@ -125,6 +126,9 @@ script('settings', [
 				<input type="hidden" id="displaynamescope" value="<?php p($_['displayNameScope']) ?>">
 			</form>
 		</div>
+		<div class="personal-settings-setting-box">
+			<div id="vue-emailform" class="section"></div>
+		</div>
 		<div class="personal-settings-setting-box">
 			<form id="emailform" class="section">
 				<h3>

apps/settings/webpack.js

@@ -32,6 +32,7 @@ module.exports = {
 		'settings-personal-security': path.join(__dirname, 'src', 'main-personal-security'),
 		'settings-personal-webauthn': path.join(__dirname, 'src', 'main-personal-webauth'),
 		'settings-nextcloud-pdf': path.join(__dirname, 'src', 'main-nextcloud-pdf'),
+		'settings-personal-info': path.join(__dirname, 'src', 'main-personal-info'),
 	},
 	output: {
 		path: path.resolve(__dirname, './js'),

build/psalm-baseline.xml

@@ -1769,9 +1769,6 @@
     </TooManyArguments>
   </file>
   <file src="apps/lookup_server_connector/lib/BackgroundJobs/RetryJob.php">
-    <InvalidArrayOffset occurrences="1">
-      <code>$publicData[IAccountManager::PROPERTY_DISPLAYNAME]['value']</code>
-    </InvalidArrayOffset>
     <InvalidScalarArgument occurrences="1">
       <code>$this-&gt;retries + 1</code>
     </InvalidScalarArgument>

lib/composer/composer/autoload_classmap.php

@@ -10,6 +10,7 @@ return array(
     'OCP\\Accounts\\IAccount' => $baseDir . '/lib/public/Accounts/IAccount.php',
     'OCP\\Accounts\\IAccountManager' => $baseDir . '/lib/public/Accounts/IAccountManager.php',
     'OCP\\Accounts\\IAccountProperty' => $baseDir . '/lib/public/Accounts/IAccountProperty.php',
+    'OCP\\Accounts\\IAccountPropertyCollection' => $baseDir . '/lib/public/Accounts/IAccountPropertyCollection.php',
     'OCP\\Accounts\\PropertyDoesNotExistException' => $baseDir . '/lib/public/Accounts/PropertyDoesNotExistException.php',
     'OCP\\Activity\\ActivitySettings' => $baseDir . '/lib/public/Activity/ActivitySettings.php',
     'OCP\\Activity\\IConsumer' => $baseDir . '/lib/public/Activity/IConsumer.php',
@@ -581,7 +582,9 @@ return array(
     'OC\\Accounts\\Account' => $baseDir . '/lib/private/Accounts/Account.php',
     'OC\\Accounts\\AccountManager' => $baseDir . '/lib/private/Accounts/AccountManager.php',
     'OC\\Accounts\\AccountProperty' => $baseDir . '/lib/private/Accounts/AccountProperty.php',
+    'OC\\Accounts\\AccountPropertyCollection' => $baseDir . '/lib/private/Accounts/AccountPropertyCollection.php',
     'OC\\Accounts\\Hooks' => $baseDir . '/lib/private/Accounts/Hooks.php',
+    'OC\\Accounts\\TAccountsHelper' => $baseDir . '/lib/private/Accounts/TAccountsHelper.php',
     'OC\\Activity\\ActivitySettingsAdapter' => $baseDir . '/lib/private/Activity/ActivitySettingsAdapter.php',
     'OC\\Activity\\Event' => $baseDir . '/lib/private/Activity/Event.php',
     'OC\\Activity\\EventMerger' => $baseDir . '/lib/private/Activity/EventMerger.php',

lib/composer/composer/autoload_static.php

@@ -39,6 +39,7 @@ class ComposerStaticInit53792487c5a8370acc0b06b1a864ff4c
         'OCP\\Accounts\\IAccount' => __DIR__ . '/../../..' . '/lib/public/Accounts/IAccount.php',
         'OCP\\Accounts\\IAccountManager' => __DIR__ . '/../../..' . '/lib/public/Accounts/IAccountManager.php',
         'OCP\\Accounts\\IAccountProperty' => __DIR__ . '/../../..' . '/lib/public/Accounts/IAccountProperty.php',
+        'OCP\\Accounts\\IAccountPropertyCollection' => __DIR__ . '/../../..' . '/lib/public/Accounts/IAccountPropertyCollection.php',
         'OCP\\Accounts\\PropertyDoesNotExistException' => __DIR__ . '/../../..' . '/lib/public/Accounts/PropertyDoesNotExistException.php',
         'OCP\\Activity\\ActivitySettings' => __DIR__ . '/../../..' . '/lib/public/Activity/ActivitySettings.php',
         'OCP\\Activity\\IConsumer' => __DIR__ . '/../../..' . '/lib/public/Activity/IConsumer.php',
@@ -610,7 +611,9 @@ class ComposerStaticInit53792487c5a8370acc0b06b1a864ff4c
         'OC\\Accounts\\Account' => __DIR__ . '/../../..' . '/lib/private/Accounts/Account.php',
         'OC\\Accounts\\AccountManager' => __DIR__ . '/../../..' . '/lib/private/Accounts/AccountManager.php',
         'OC\\Accounts\\AccountProperty' => __DIR__ . '/../../..' . '/lib/private/Accounts/AccountProperty.php',
+        'OC\\Accounts\\AccountPropertyCollection' => __DIR__ . '/../../..' . '/lib/private/Accounts/AccountPropertyCollection.php',
         'OC\\Accounts\\Hooks' => __DIR__ . '/../../..' . '/lib/private/Accounts/Hooks.php',
+        'OC\\Accounts\\TAccountsHelper' => __DIR__ . '/../../..' . '/lib/private/Accounts/TAccountsHelper.php',
         'OC\\Activity\\ActivitySettingsAdapter' => __DIR__ . '/../../..' . '/lib/private/Activity/ActivitySettingsAdapter.php',
         'OC\\Activity\\Event' => __DIR__ . '/../../..' . '/lib/private/Activity/Event.php',
         'OC\\Activity\\EventMerger' => __DIR__ . '/../../..' . '/lib/private/Activity/EventMerger.php',

lib/private/Accounts/Account.php

@@ -27,14 +27,17 @@ declare(strict_types=1);
 
 namespace OC\Accounts;
 
+use Generator;
 use OCP\Accounts\IAccount;
 use OCP\Accounts\IAccountProperty;
+use OCP\Accounts\IAccountPropertyCollection;
 use OCP\Accounts\PropertyDoesNotExistException;
 use OCP\IUser;
 
 class Account implements IAccount {
+	use TAccountsHelper;
 
-	/** @var IAccountProperty[] */
+	/** @var IAccountPropertyCollection[]|IAccountProperty[] */
 	private $properties = [];
 
 	/** @var IUser */
@@ -45,11 +48,17 @@ class Account implements IAccount {
 	}
 
 	public function setProperty(string $property, string $value, string $scope, string $verified, string $verificationData = ''): IAccount {
+		if ($this->isCollection($property)) {
+			throw new \InvalidArgumentException('setProperty cannot set an IAccountsPropertyCollection');
+		}
 		$this->properties[$property] = new AccountProperty($property, $value, $scope, $verified, $verificationData);
 		return $this;
 	}
 
 	public function getProperty(string $property): IAccountProperty {
+		if ($this->isCollection($property)) {
+			throw new \InvalidArgumentException('getProperty cannot retrieve an IAccountsPropertyCollection');
+		}
 		if (!array_key_exists($property, $this->properties)) {
 			throw new PropertyDoesNotExistException($property);
 		}
@@ -57,19 +66,41 @@ class Account implements IAccount {
 	}
 
 	public function getProperties(): array {
-		return $this->properties;
+		return array_filter($this->properties, function ($obj) {
+			return $obj instanceof IAccountProperty;
+		});
+	}
+
+	public function getAllProperties(): Generator {
+		foreach ($this->properties as $propertyObject) {
+			if ($propertyObject instanceof IAccountProperty) {
+				yield $propertyObject;
+			} elseif ($propertyObject instanceof IAccountPropertyCollection) {
+				foreach ($propertyObject->getProperties() as $property) {
+					yield $property;
+				}
+			}
+		}
 	}
 
 	public function getFilteredProperties(string $scope = null, string $verified = null): array {
-		return \array_filter($this->properties, function (IAccountProperty $obj) use ($scope, $verified) {
+		$result = $incrementals = [];
+		/** @var IAccountProperty $obj */
+		foreach ($this->getAllProperties() as $obj) {
 			if ($scope !== null && $scope !== $obj->getScope()) {
-				return false;
+				continue;
 			}
 			if ($verified !== null && $verified !== $obj->getVerified()) {
-				return false;
+				continue;
 			}
-			return true;
+			$index = $obj->getName();
-		});
+			if ($this->isCollection($index)) {
+				$incrementals[$index] = ($incrementals[$index] ?? -1) + 1;
+				$index .= '#' . $incrementals[$index];
+			}
+			$result[$index] = $obj;
+		}
+		return $result;
 	}
 
 	public function jsonSerialize() {
@@ -79,4 +110,19 @@ class Account implements IAccount {
 	public function getUser(): IUser {
 		return $this->user;
 	}
+
+	public function setPropertyCollection(IAccountPropertyCollection $propertyCollection): IAccount {
+		$this->properties[$propertyCollection->getName()] = $propertyCollection;
+		return $this;
+	}
+
+	public function getPropertyCollection(string $propertyCollection): IAccountPropertyCollection {
+		if (!array_key_exists($propertyCollection, $this->properties)) {
+			throw new PropertyDoesNotExistException($propertyCollection);
+		}
+		if (!$this->properties[$propertyCollection] instanceof IAccountPropertyCollection) {
+			throw new \RuntimeException('Requested collection is not an IAccountPropertyCollection');
+		}
+		return $this->properties[$propertyCollection];
+	}
 }

lib/private/Accounts/AccountManager.php

@@ -45,6 +45,7 @@ use OCP\IUser;
 use Psr\Log\LoggerInterface;
 use Symfony\Component\EventDispatcher\EventDispatcherInterface;
 use Symfony\Component\EventDispatcher\GenericEvent;
+use function array_flip;
 use function json_decode;
 use function json_last_error;
 
@@ -57,6 +58,7 @@ use function json_last_error;
  * @package OC\Accounts
  */
 class AccountManager implements IAccountManager {
+	use TAccountsHelper;
 
 	/** @var  IDBConnection database connection */
 	private $connection;
@@ -139,6 +141,61 @@ class AccountManager implements IAccountManager {
 		return $input;
 	}
 
+	protected function sanitizeLength(array &$propertyData, bool $throwOnData = false): void {
+		if (isset($propertyData['value']) && strlen($propertyData['value']) > 2048) {
+			if ($throwOnData) {
+				throw new \InvalidArgumentException();
+			} else {
+				$propertyData['value'] = '';
+			}
+		}
+	}
+
+	protected function testValueLengths(array &$data, bool $throwOnData = false): void {
+		try {
+			foreach ($data as $propertyName => &$propertyData) {
+				if ($this->isCollection($propertyName)) {
+					$this->testValueLengths($propertyData, $throwOnData);
+				} else {
+					$this->sanitizeLength($propertyData, $throwOnData);
+				}
+			}
+		} catch (\InvalidArgumentException $e) {
+			throw new \InvalidArgumentException($propertyName);
+		}
+	}
+
+	protected function testPropertyScopes(array &$data, array $allowedScopes, bool $throwOnData = false, string $parentPropertyName = null): void {
+		foreach ($data as $propertyNameOrIndex => &$propertyData) {
+			if ($this->isCollection($propertyNameOrIndex)) {
+				$this->testPropertyScopes($propertyData, $allowedScopes, $throwOnData);
+			} elseif (isset($propertyData['scope'])) {
+				$effectivePropertyName = $parentPropertyName ?? $propertyNameOrIndex;
+
+				if ($throwOnData && !in_array($propertyData['scope'], $allowedScopes, true)) {
+					throw new \InvalidArgumentException('scope');
+				}
+
+				if (
+					$propertyData['scope'] === self::SCOPE_PRIVATE
+					&& ($effectivePropertyName === self::PROPERTY_DISPLAYNAME || $effectivePropertyName === self::PROPERTY_EMAIL)
+				) {
+					if ($throwOnData) {
+						// v2-private is not available for these fields
+						throw new \InvalidArgumentException('scope');
+					} else {
+						// default to local
+						$data[$propertyNameOrIndex]['scope'] = self::SCOPE_LOCAL;
+					}
+				} else {
+					// migrate scope values to the new format
+					// invalid scopes are mapped to a default value
+					$data[$propertyNameOrIndex]['scope'] = AccountProperty::mapScopeToV2($propertyData['scope']);
+				}
+			}
+		}
+	}
+
 	/**
 	 * update user record
 	 *
@@ -166,16 +223,7 @@ class AccountManager implements IAccountManager {
 			}
 		}
 
-		// set a max length
+		$this->testValueLengths($data);
-		foreach ($data as $propertyName => $propertyData) {
-			if (isset($data[$propertyName]) && isset($data[$propertyName]['value']) && strlen($data[$propertyName]['value']) > 2048) {
-				if ($throwOnData) {
-					throw new \InvalidArgumentException($propertyName);
-				} else {
-					$data[$propertyName]['value'] = '';
-				}
-			}
-		}
 
 		if (isset($data[self::PROPERTY_WEBSITE]) && $data[self::PROPERTY_WEBSITE]['value'] !== '') {
 			try {
@@ -198,31 +246,7 @@ class AccountManager implements IAccountManager {
 			self::VISIBILITY_PUBLIC,
 		];
 
-		// validate and convert scope values
+		$this->testPropertyScopes($data, $allowedScopes, $throwOnData);
-		foreach ($data as $propertyName => $propertyData) {
-			if (isset($propertyData['scope'])) {
-				if ($throwOnData && !in_array($propertyData['scope'], $allowedScopes, true)) {
-					throw new \InvalidArgumentException('scope');
-				}
-
-				if (
-					$propertyData['scope'] === self::SCOPE_PRIVATE
-					&& ($propertyName === self::PROPERTY_DISPLAYNAME || $propertyName === self::PROPERTY_EMAIL)
-				) {
-					if ($throwOnData) {
-						// v2-private is not available for these fields
-						throw new \InvalidArgumentException('scope');
-					} else {
-						// default to local
-						$data[$propertyName]['scope'] = self::SCOPE_LOCAL;
-					}
-				} else {
-					// migrate scope values to the new format
-					// invalid scopes are mapped to a default value
-					$data[$propertyName]['scope'] = AccountProperty::mapScopeToV2($propertyData['scope']);
-				}
-			}
-		}
 
 		if (empty($userData)) {
 			$this->insertNewUser($user, $data);
@@ -276,12 +300,9 @@ class AccountManager implements IAccountManager {
 	/**
 	 * get stored data from a given user
 	 *
-	 * @param IUser $user
-	 * @return array
-	 *
 	 * @deprecated use getAccount instead to make sure migrated properties work correctly
 	 */
-	public function getUser(IUser $user) {
+	public function getUser(IUser $user, bool $insertIfNotExists = true): array {
 		$uid = $user->getUID();
 		$query = $this->connection->getQueryBuilder();
 		$query->select('data')
@@ -294,7 +315,9 @@ class AccountManager implements IAccountManager {
 
 		if (empty($accountData)) {
 			$userData = $this->buildDefaultUserRecord($user);
+			if ($insertIfNotExists) {
 				$this->insertNewUser($user, $userData);
+			}
 			return $userData;
 		}
 
@@ -305,9 +328,7 @@ class AccountManager implements IAccountManager {
 			return $this->buildDefaultUserRecord($user);
 		}
 
-		$userDataArray = $this->addMissingDefaultValues($userDataArray);
+		return $this->addMissingDefaultValues($userDataArray);
-
-		return $userDataArray;
 	}
 
 	public function searchUsers(string $property, array $values): array {
@@ -324,12 +345,23 @@ class AccountManager implements IAccountManager {
 			$result = $query->execute();
 
 			while ($row = $result->fetch()) {
-				$matches[$row['value']] = $row['uid'];
+				$matches[$row['uid']] = $row['value'];
 			}
 			$result->closeCursor();
 		}
 
-		return $matches;
+		$result = array_merge($matches, $this->searchUsersForRelatedCollection($property, $values));
+
+		return array_flip($result);
+	}
+
+	protected function searchUsersForRelatedCollection(string $property, array $values): array {
+		switch ($property) {
+			case IAccountManager::PROPERTY_EMAIL:
+				return array_flip($this->searchUsers(IAccountManager::COLLECTION_EMAIL, $values));
+			default:
+				return [];
+		}
 	}
 
 	/**
@@ -340,7 +372,7 @@ class AccountManager implements IAccountManager {
 	 * @param IUser $user
 	 * @return array
 	 */
-	protected function checkEmailVerification($oldData, $newData, IUser $user) {
+	protected function checkEmailVerification($oldData, $newData, IUser $user): array {
 		if ($oldData[self::PROPERTY_EMAIL]['value'] !== $newData[self::PROPERTY_EMAIL]['value']) {
 			$this->jobList->add(VerifyUserData::class,
 				[
@@ -381,7 +413,7 @@ class AccountManager implements IAccountManager {
 	 * @param array $newData
 	 * @return array
 	 */
-	protected function updateVerifyStatus($oldData, $newData) {
+	protected function updateVerifyStatus(array $oldData, array $newData): array {
 
 		// which account was already verified successfully?
 		$twitterVerified = isset($oldData[self::PROPERTY_TWITTER]['verified']) && $oldData[self::PROPERTY_TWITTER]['verified'] === self::VERIFIED;
@@ -481,12 +513,20 @@ class AccountManager implements IAccountManager {
 					'value' => $query->createParameter('value'),
 				]
 			);
+		$this->writeUserDataProperties($query, $data);
+	}
+
+	protected function writeUserDataProperties(IQueryBuilder $query, array $data, string $parentPropertyName = null): void {
 		foreach ($data as $propertyName => $property) {
-			if ($propertyName === self::PROPERTY_AVATAR) {
+			if ($this->isCollection($propertyName)) {
+				$this->writeUserDataProperties($query, $property, $propertyName);
+				continue;
+			}
+			if (($parentPropertyName ?? $propertyName) === self::PROPERTY_AVATAR) {
 				continue;
 			}
 
-			$query->setParameter('name', $propertyName)
+			$query->setParameter('name', $parentPropertyName ?? $propertyName)
 				->setParameter('value', $property['value'] ?? '');
 			$query->execute();
 		}

lib/private/Accounts/AccountPropertyCollection.php

@@ -0,0 +1,90 @@
+<?php
+
+declare(strict_types=1);
+
+/**
+ * @copyright Copyright (c) 2021 Arthur Schiwon <blizzz@arthur-schiwon.de>
+ *
+ * @author Arthur Schiwon <blizzz@arthur-schiwon.de>
+ *
+ * @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 <https://www.gnu.org/licenses/>.
+ *
+ */
+
+namespace OC\Accounts;
+
+use InvalidArgumentException;
+use OCP\Accounts\IAccountProperty;
+use OCP\Accounts\IAccountPropertyCollection;
+
+class AccountPropertyCollection implements IAccountPropertyCollection {
+
+	/** @var string */
+	protected $collectionName = '';
+
+	/** @var IAccountProperty[] */
+	protected $properties = [];
+
+	public function __construct(string $collectionName) {
+		$this->collectionName = $collectionName;
+	}
+
+	public function setProperties(array $properties): IAccountPropertyCollection {
+		/** @var IAccountProperty $property */
+		$this->properties = [];
+		foreach ($properties as $property) {
+			$this->addProperty($property);
+		}
+		return $this;
+	}
+
+	public function getProperties(): array {
+		return $this->properties;
+	}
+
+	public function addProperty(IAccountProperty $property): IAccountPropertyCollection {
+		if ($property->getName() !== $this->collectionName) {
+			throw new InvalidArgumentException('Provided property does not match collection name');
+		}
+		$this->properties[] = $property;
+		return $this;
+	}
+
+	public function removeProperty(IAccountProperty $property): IAccountPropertyCollection {
+		$ref = array_search($property, $this->properties, true);
+		if ($ref !== false) {
+			unset($this->properties[$ref]);
+		}
+		return $this;
+	}
+
+	public function removePropertyByValue(string $value): IAccountPropertyCollection {
+		foreach ($this->properties as $i => $property) {
+			if ($property->getValue() === $value) {
+				unset($this->properties[$i]);
+			}
+		}
+		return $this;
+	}
+
+	public function jsonSerialize() {
+		return [$this->collectionName => $this->properties];
+	}
+
+	public function getName(): string {
+		return $this->collectionName;
+	}
+}

lib/private/Accounts/TAccountsHelper.php

@@ -0,0 +1,40 @@
+<?php
+
+declare(strict_types=1);
+
+/**
+ * @copyright Copyright (c) 2021 Arthur Schiwon <blizzz@arthur-schiwon.de>
+ *
+ * @author Arthur Schiwon <blizzz@arthur-schiwon.de>
+ *
+ * @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 <https://www.gnu.org/licenses/>.
+ *
+ */
+
+namespace OC\Accounts;
+
+use OCP\Accounts\IAccountManager;
+
+trait TAccountsHelper {
+	protected function isCollection(string $propertyName): bool {
+		return in_array($propertyName,
+			[
+				IAccountManager::COLLECTION_EMAIL,
+			],
+			true
+		);
+	}
+}

lib/public/Accounts/IAccount.php

@@ -26,6 +26,7 @@ declare(strict_types=1);
 
 namespace OCP\Accounts;
 
+use Generator;
 use OCP\IUser;
 
 /**
@@ -62,16 +63,48 @@ interface IAccount extends \JsonSerializable {
 
 	/**
 	 * Get all properties of an account. Array indices are property names.
+	 * Values from IAccountPropertyCollections are not included in the return
+	 * array.
 	 *
 	 * @since 15.0.0
-	 *
+	 * @deprecated 22.0.0 use getAllProperties()
-	 * @return IAccountProperty[]
 	 */
 	public function getProperties(): array;
 
+	/**
+	 * Get all properties of an account. Array indices are numeric. To get
+	 * the property name, call getName() against the value.
+	 *
+	 * IAccountPropertyCollections are being flattened into an IAccountProperty
+	 * for each value.
+	 *
+	 * @since 22.0.0
+	 *
+	 * @return Generator<int, IAccountProperty>
+	 */
+	public function getAllProperties(): Generator;
+
+	/**
+	 * Set a property collection (multi-value properties)
+	 *
+	 * @since 22.0.0
+	 */
+	public function setPropertyCollection(IAccountPropertyCollection $propertyCollection): IAccount;
+
+	/**
+	 * Returns the requestes propery collection (multi-value properties)
+	 *
+	 * @since 22.0.0
+	 */
+	public function getPropertyCollection(string $propertyCollection): IAccountPropertyCollection;
+
 	/**
 	 * Get all properties that match the provided filters for scope and verification status
 	 *
+	 * Since 22.0.0 values from IAccountPropertyCollection are included, but also
+	 * as IAccountProperty instances. They for properties of IAccountPropertyCollection are
+	 * suffixed incrementally, i.e. #0, #1 ... #n – the numbers have no further meaning.
+	 *
 	 * @since 15.0.0
 	 *
 	 * @param string $scope Must be one of the VISIBILITY_ prefixed constants of \OCP\Accounts\IAccountManager

lib/public/Accounts/IAccountManager.php

@@ -96,6 +96,8 @@ interface IAccountManager {
 	public const PROPERTY_ADDRESS = 'address';
 	public const PROPERTY_TWITTER = 'twitter';
 
+	public const COLLECTION_EMAIL = 'additional_mail';
+
 	public const NOT_VERIFIED = '0';
 	public const VERIFICATION_IN_PROGRESS = '1';
 	public const VERIFIED = '2';
@@ -123,7 +125,10 @@ interface IAccountManager {
 	/**
 	 * Search for users based on account data
 	 *
-	 * @param string $property
+	 * @param string $property - property or property collection name – since
+	 * NC 22 the implementation MAY add a fitting property collection into the
+	 * search even if a property name was given e.g. email property and email
+	 * collection)
 	 * @param string[] $values
 	 * @return array
 	 *

lib/public/Accounts/IAccountPropertyCollection.php

@@ -0,0 +1,84 @@
+<?php
+
+declare(strict_types=1);
+
+/**
+ * @copyright Copyright (c) 2021 Arthur Schiwon <blizzz@arthur-schiwon.de>
+ *
+ * @author Arthur Schiwon <blizzz@arthur-schiwon.de>
+ *
+ * @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 <https://www.gnu.org/licenses/>.
+ *
+ */
+
+namespace OCP\Accounts;
+
+use InvalidArgumentException;
+use JsonSerializable;
+
+/**
+ * Interface IAccountPropertyCollection
+ *
+ * @package OCP\Accounts
+ *
+ * @since 22.0.0
+ */
+interface IAccountPropertyCollection extends JsonSerializable {
+
+	/**
+	 * retuns the collection name
+	 *
+	 * @since 22.0.0
+	 */
+	public function getName(): string;
+
+	/**
+	 * set properties of this collection
+	 *
+	 * @param IAccountProperty[] $properties
+	 * @throws InvalidArgumentException
+	 * @since 22.0.0
+	 */
+	public function setProperties(array $properties): IAccountPropertyCollection;
+
+	/**
+	 * @return IAccountProperty[]
+	 * @since 22.0.0
+	 */
+	public function getProperties(): array;
+
+	/**
+	 * adds a property to this collection
+	 *
+	 * @throws InvalidArgumentException
+	 * @since 22.0.0
+	 */
+	public function addProperty(IAccountProperty $property): IAccountPropertyCollection;
+
+	/**
+	 * removes a property of this collection
+	 *
+	 * @since 22.0.0
+	 */
+	public function removeProperty(IAccountProperty $property): IAccountPropertyCollection;
+
+	/**
+	 * removes a property identified by its value
+	 *
+	 * @since 22.0.0
+	 */
+	public function removePropertyByValue(string $value): IAccountPropertyCollection;
+}

tests/lib/Accounts/AccountManagerTest.php

@@ -26,6 +26,7 @@ use OC\Accounts\AccountManager;
 use OCP\Accounts\IAccountManager;
 use OCP\BackgroundJob\IJobList;
 use OCP\IConfig;
+use OCP\IDBConnection;
 use OCP\IUser;
 use PHPUnit\Framework\MockObject\MockObject;
 use Psr\Log\LoggerInterface;
@@ -59,13 +60,24 @@ class AccountManagerTest extends TestCase {
 	/** @var LoggerInterface|MockObject */
 	private $logger;
 
+	/** @var AccountManager */
+	private $accountManager;
+
 	protected function setUp(): void {
 		parent::setUp();
 		$this->eventDispatcher = $this->createMock(EventDispatcherInterface::class);
-		$this->connection = \OC::$server->getDatabaseConnection();
+		$this->connection = \OC::$server->get(IDBConnection::class);
 		$this->config = $this->createMock(IConfig::class);
 		$this->jobList = $this->createMock(IJobList::class);
 		$this->logger = $this->createMock(LoggerInterface::class);
+
+		$this->accountManager = new AccountManager(
+			$this->connection,
+			$this->config,
+			$this->eventDispatcher,
+			$this->jobList,
+			$this->logger,
+		);
 	}
 
 	protected function tearDown(): void {
@@ -74,6 +86,90 @@ class AccountManagerTest extends TestCase {
 		$query->delete($this->table)->execute();
 	}
 
+	protected function makeUser(string $uid, string $name, string $email = null): IUser {
+		$user = $this->createMock(IUser::class);
+		$user->expects($this->any())
+			->method('getUid')
+			->willReturn($uid);
+		$user->expects($this->any())
+			->method('getDisplayName')
+			->willReturn($name);
+		if ($email !== null) {
+			$user->expects($this->any())
+				->method('getEMailAddress')
+				->willReturn($email);
+		}
+
+		return $user;
+	}
+
+	protected function populateOrUpdate(): void {
+		$users = [
+			[
+				'user' => $this->makeUser('j.doe', 'Jane Doe', 'jane.doe@acme.com'),
+				'data' => [
+					IAccountManager::PROPERTY_DISPLAYNAME => ['value' => 'Jane Doe', 'scope' => IAccountManager::SCOPE_PUBLISHED],
+					IAccountManager::PROPERTY_EMAIL => ['value' => 'jane.doe@acme.com', 'scope' => IAccountManager::SCOPE_LOCAL],
+					IAccountManager::PROPERTY_TWITTER => ['value' => '@sometwitter', 'scope' => IAccountManager::SCOPE_PUBLISHED],
+					IAccountManager::PROPERTY_PHONE => ['value' => '+491601231212', 'scope' => IAccountManager::SCOPE_FEDERATED],
+					IAccountManager::PROPERTY_ADDRESS => ['value' => 'some street', 'scope' => IAccountManager::SCOPE_LOCAL],
+					IAccountManager::PROPERTY_WEBSITE => ['value' => 'https://acme.com', 'scope' => IAccountManager::SCOPE_PRIVATE],
+				],
+			],
+			[
+				'user' => $this->makeUser('a.allison', 'Alice Allison', 'a.allison@example.org'),
+				'data' => [
+					IAccountManager::PROPERTY_DISPLAYNAME => ['value' => 'Alice Allison', 'scope' => IAccountManager::SCOPE_LOCAL],
+					IAccountManager::PROPERTY_EMAIL => ['value' => 'a.allison@example.org', 'scope' => IAccountManager::SCOPE_LOCAL],
+					IAccountManager::PROPERTY_TWITTER => ['value' => '@a_alice', 'scope' => IAccountManager::SCOPE_FEDERATED],
+					IAccountManager::PROPERTY_PHONE => ['value' => '+491602312121', 'scope' => IAccountManager::SCOPE_LOCAL],
+					IAccountManager::PROPERTY_ADDRESS => ['value' => 'Dundee Road 45', 'scope' => IAccountManager::SCOPE_LOCAL],
+					IAccountManager::PROPERTY_WEBSITE => ['value' => 'https://example.org', 'scope' => IAccountManager::SCOPE_LOCAL],
+				],
+			],
+			[
+				'user' => $this->makeUser('b32c5a5b-1084-4380-8856-e5223b16de9f', 'Armel Oliseh', 'oliseh@example.com'),
+				'data' => [
+					IAccountManager::PROPERTY_DISPLAYNAME => ['value' => 'Armel Oliseh', 'scope' => IAccountManager::SCOPE_PUBLISHED],
+					IAccountManager::PROPERTY_EMAIL => ['value' => 'oliseh@example.com', 'scope' => IAccountManager::SCOPE_PUBLISHED],
+					IAccountManager::PROPERTY_TWITTER => ['value' => '', 'scope' => IAccountManager::SCOPE_LOCAL],
+					IAccountManager::PROPERTY_PHONE => ['value' => '+491603121212', 'scope' => IAccountManager::SCOPE_PUBLISHED],
+					IAccountManager::PROPERTY_ADDRESS => ['value' => 'Sunflower Blvd. 77', 'scope' => IAccountManager::SCOPE_PUBLISHED],
+					IAccountManager::PROPERTY_WEBSITE => ['value' => 'https://example.com', 'scope' => IAccountManager::SCOPE_PUBLISHED],
+				],
+			],
+			[
+				'user' => $this->makeUser('31b5316a-9b57-4b17-970a-315a4cbe73eb', 'K. Cheng', 'cheng@emca.com'),
+				'data' => [
+					IAccountManager::PROPERTY_DISPLAYNAME => ['value' => 'K. Cheng', 'scope' => IAccountManager::SCOPE_FEDERATED],
+					IAccountManager::PROPERTY_EMAIL => ['value' => 'cheng@emca.com', 'scope' => IAccountManager::SCOPE_FEDERATED],
+					IAccountManager::PROPERTY_TWITTER => ['value' => '', 'scope' => IAccountManager::SCOPE_LOCAL],
+					IAccountManager::PROPERTY_PHONE => ['value' => '+71601212123', 'scope' => IAccountManager::SCOPE_LOCAL],
+					IAccountManager::PROPERTY_ADDRESS => ['value' => 'Pinapple Street 22', 'scope' => IAccountManager::SCOPE_LOCAL],
+					IAccountManager::PROPERTY_WEBSITE => ['value' => 'https://emca.com', 'scope' => IAccountManager::SCOPE_FEDERATED],
+					IAccountManager::COLLECTION_EMAIL => [
+						['value' => 'k.cheng@emca.com', 'scope' => IAccountManager::SCOPE_LOCAL],
+						['value' => 'kai.cheng@emca.com', 'scope' => IAccountManager::SCOPE_LOCAL],
+					],
+				],
+			],
+			[
+				'user' => $this->makeUser('goodpal@elpmaxe.org', 'Goodpal, Kim', 'goodpal@elpmaxe.org'),
+				'data' => [
+					IAccountManager::PROPERTY_DISPLAYNAME => ['value' => 'Goodpal, Kim', 'scope' => IAccountManager::SCOPE_PUBLISHED],
+					IAccountManager::PROPERTY_EMAIL => ['value' => 'goodpal@elpmaxe.org', 'scope' => IAccountManager::SCOPE_PUBLISHED],
+					IAccountManager::PROPERTY_TWITTER => ['value' => '', 'scope' => IAccountManager::SCOPE_LOCAL],
+					IAccountManager::PROPERTY_PHONE => ['value' => '+71602121231', 'scope' => IAccountManager::SCOPE_FEDERATED],
+					IAccountManager::PROPERTY_ADDRESS => ['value' => 'Octopus Ave 17', 'scope' => IAccountManager::SCOPE_FEDERATED],
+					IAccountManager::PROPERTY_WEBSITE => ['value' => 'https://elpmaxe.org', 'scope' => IAccountManager::SCOPE_PUBLISHED],
+				],
+			],
+		];
+		foreach ($users as $userInfo) {
+			$this->accountManager->updateUser($userInfo['user'], $userInfo['data'], false);
+		}
+	}
+
 	/**
 	 * get a instance of the accountManager
 	 *
@@ -340,9 +436,8 @@ class AccountManagerTest extends TestCase {
 		$oldData = ['key' => ['value' => 'value']];
 		$newData = ['newKey' => ['value' => 'newValue']];
 
-		$accountManager = $this->getInstance();
 		$this->addDummyValuesToTable('uid', $oldData);
-		$this->invokePrivate($accountManager, 'updateExistingUser', [$user, $newData]);
+		$this->invokePrivate($this->accountManager, 'updateExistingUser', [$user, $newData]);
 		$newDataFromTable = $this->getDataFromTable('uid');
 		$this->assertEquals($newData, $newDataFromTable);
 	}
@@ -352,18 +447,15 @@ class AccountManagerTest extends TestCase {
 		$uid = 'uid';
 		$data = ['key' => ['value' => 'value']];
 
-		$accountManager = $this->getInstance();
 		$user->expects($this->atLeastOnce())->method('getUID')->willReturn($uid);
 		$this->assertNull($this->getDataFromTable($uid));
-		$this->invokePrivate($accountManager, 'insertNewUser', [$user, $data]);
+		$this->invokePrivate($this->accountManager, 'insertNewUser', [$user, $data]);
 
 		$dataFromDb = $this->getDataFromTable($uid);
 		$this->assertEquals($data, $dataFromDb);
 	}
 
 	public function testAddMissingDefaultValues() {
-		$accountManager = $this->getInstance();
-
 		$input = [
 			'key1' => ['value' => 'value1', 'verified' => '0'],
 			'key2' => ['value' => 'value1'],
@@ -374,7 +466,7 @@ class AccountManagerTest extends TestCase {
 			'key2' => ['value' => 'value1', 'verified' => '0'],
 		];
 
-		$result = $this->invokePrivate($accountManager, 'addMissingDefaultValues', [$input]);
+		$result = $this->invokePrivate($this->accountManager, 'addMissingDefaultValues', [$input]);
 
 		$this->assertSame($expected, $result);
 	}
@@ -461,13 +553,11 @@ class AccountManagerTest extends TestCase {
 		$this->config->method('getSystemValueString')
 			->willReturn($defaultRegion);
 
-		$instance = $this->getInstance();
-
 		if ($phoneNumber === null) {
 			$this->expectException(\InvalidArgumentException::class);
-			self::invokePrivate($instance, 'parsePhoneNumber', [$phoneInput]);
+			self::invokePrivate($this->accountManager, 'parsePhoneNumber', [$phoneInput]);
 		} else {
-			self::assertEquals($phoneNumber, self::invokePrivate($instance, 'parsePhoneNumber', [$phoneInput]));
+			self::assertEquals($phoneNumber, self::invokePrivate($this->accountManager, 'parsePhoneNumber', [$phoneInput]));
 		}
 	}
 
@@ -487,13 +577,73 @@ class AccountManagerTest extends TestCase {
 	 * @param string|null $websiteOutput
 	 */
 	public function testParseWebsite(string $websiteInput, ?string $websiteOutput): void {
-		$instance = $this->getInstance();
-
 		if ($websiteOutput === null) {
 			$this->expectException(\InvalidArgumentException::class);
-			self::invokePrivate($instance, 'parseWebsite', [$websiteInput]);
+			self::invokePrivate($this->accountManager, 'parseWebsite', [$websiteInput]);
 		} else {
-			self::assertEquals($websiteOutput, self::invokePrivate($instance, 'parseWebsite', [$websiteInput]));
+			self::assertEquals($websiteOutput, self::invokePrivate($this->accountManager, 'parseWebsite', [$websiteInput]));
 		}
 	}
+
+	/**
+	 * @dataProvider searchDataProvider
+	 */
+	public function testSearchUsers(string $property, array $values, array $expected): void {
+		$this->populateOrUpdate();
+
+		$matchedUsers = $this->accountManager->searchUsers($property, $values);
+		$this->assertSame($expected, $matchedUsers);
+	}
+
+	public function searchDataProvider(): array {
+		return [
+			[ #0 Search for an existing name
+				IAccountManager::PROPERTY_DISPLAYNAME,
+				['Jane Doe'],
+				['Jane Doe' => 'j.doe']
+			],
+			[ #1 Search for part of a name (no result)
+				IAccountManager::PROPERTY_DISPLAYNAME,
+				['Jane'],
+				[]
+			],
+			[ #2 Search for part of a name (no result, test wildcard)
+				IAccountManager::PROPERTY_DISPLAYNAME,
+				['Jane%'],
+				[]
+			],
+			[ #3 Search for phone
+				IAccountManager::PROPERTY_PHONE,
+				['+491603121212'],
+				['+491603121212' => 'b32c5a5b-1084-4380-8856-e5223b16de9f'],
+			],
+			[ #4 Search for twitter handles
+				IAccountManager::PROPERTY_TWITTER,
+				['@sometwitter', '@a_alice', '@unseen'],
+				['@sometwitter' => 'j.doe', '@a_alice' => 'a.allison'],
+			],
+			[ #5 Search for email
+				IAccountManager::PROPERTY_EMAIL,
+				['cheng@emca.com'],
+				['cheng@emca.com' => '31b5316a-9b57-4b17-970a-315a4cbe73eb'],
+			],
+			[ #6 Search for email by additional email
+				IAccountManager::PROPERTY_EMAIL,
+				['kai.cheng@emca.com'],
+				['kai.cheng@emca.com' => '31b5316a-9b57-4b17-970a-315a4cbe73eb'],
+			],
+			[ #7 Search for additional email
+				IAccountManager::COLLECTION_EMAIL,
+				['kai.cheng@emca.com', 'cheng@emca.com'],
+				['kai.cheng@emca.com' => '31b5316a-9b57-4b17-970a-315a4cbe73eb'],
+			],
+			[ #8 Search for email by additional email (two valid search values, but the same user)
+				IAccountManager::PROPERTY_EMAIL,
+				['kai.cheng@emca.com', 'cheng@emca.com'],
+				[
+					'kai.cheng@emca.com' => '31b5316a-9b57-4b17-970a-315a4cbe73eb',
+				],
+			],
+		];
+	}
 }

tests/lib/Accounts/AccountPropertyCollectionTest.php

@@ -0,0 +1,209 @@
+<?php
+
+declare(strict_types=1);
+
+/**
+ * @copyright Copyright (c) 2021 Arthur Schiwon <blizzz@arthur-schiwon.de>
+ *
+ * @author Arthur Schiwon <blizzz@arthur-schiwon.de>
+ *
+ * @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 <https://www.gnu.org/licenses/>.
+ *
+ */
+
+namespace lib\Accounts;
+
+use InvalidArgumentException;
+use OC\Accounts\AccountPropertyCollection;
+use OCP\Accounts\IAccountProperty;
+use OCP\Accounts\IAccountPropertyCollection;
+use PHPUnit\Framework\MockObject\MockObject;
+use Test\TestCase;
+
+class AccountPropertyCollectionTest extends TestCase {
+	/** @var IAccountPropertyCollection */
+	protected $collection;
+
+	protected const COLLECTION_NAME = 'my_multivalue_property';
+
+	public function setUp(): void {
+		parent::setUp();
+
+		$this->collection = new AccountPropertyCollection(self::COLLECTION_NAME);
+	}
+
+	/**
+	 * @return IAccountProperty|MockObject
+	 */
+	protected function makePropertyMock(string $propertyName): MockObject {
+		$mock = $this->createMock(IAccountProperty::class);
+		$mock->expects($this->any())
+			->method('getName')
+			->willReturn($propertyName);
+
+		return $mock;
+	}
+
+	public function testSetAndGetProperties() {
+		$propsBefore = $this->collection->getProperties();
+		$this->assertIsArray($propsBefore);
+		$this->assertEmpty($propsBefore);
+
+		$props = [
+			$this->makePropertyMock(self::COLLECTION_NAME),
+			$this->makePropertyMock(self::COLLECTION_NAME),
+			$this->makePropertyMock(self::COLLECTION_NAME),
+		];
+
+		$this->collection->setProperties($props);
+		$propsAfter = $this->collection->getProperties();
+		$this->assertIsArray($propsAfter);
+		$this->assertCount(count($props), $propsAfter);
+	}
+
+	public function testSetPropertiesMixedInvalid() {
+		$props = [
+			$this->makePropertyMock(self::COLLECTION_NAME),
+			$this->makePropertyMock('sneaky_property'),
+			$this->makePropertyMock(self::COLLECTION_NAME),
+		];
+
+		$this->expectException(InvalidArgumentException::class);
+		$this->collection->setProperties($props);
+	}
+
+	public function testAddProperty() {
+		$props = [
+			$this->makePropertyMock(self::COLLECTION_NAME),
+			$this->makePropertyMock(self::COLLECTION_NAME),
+			$this->makePropertyMock(self::COLLECTION_NAME),
+		];
+		$this->collection->setProperties($props);
+
+		$additionalProperty = $this->makePropertyMock(self::COLLECTION_NAME);
+		$this->collection->addProperty($additionalProperty);
+
+		$propsAfter = $this->collection->getProperties();
+		$this->assertCount(count($props) + 1, $propsAfter);
+		$this->assertNotFalse(array_search($additionalProperty, $propsAfter, true));
+	}
+
+	public function testAddPropertyInvalid() {
+		$props = [
+			$this->makePropertyMock(self::COLLECTION_NAME),
+			$this->makePropertyMock(self::COLLECTION_NAME),
+			$this->makePropertyMock(self::COLLECTION_NAME),
+		];
+		$this->collection->setProperties($props);
+
+		$additionalProperty = $this->makePropertyMock('sneaky_property');
+		$exceptionThrown = false;
+		try {
+			$this->collection->addProperty($additionalProperty);
+		} catch (\InvalidArgumentException $e) {
+			$exceptionThrown = true;
+		} finally {
+			$propsAfter = $this->collection->getProperties();
+			$this->assertCount(count($props), $propsAfter);
+			$this->assertFalse(array_search($additionalProperty, $propsAfter, true));
+			$this->assertTrue($exceptionThrown);
+		}
+	}
+
+	public function testRemoveProperty() {
+		$additionalProperty = $this->makePropertyMock(self::COLLECTION_NAME);
+		$props = [
+			$this->makePropertyMock(self::COLLECTION_NAME),
+			$this->makePropertyMock(self::COLLECTION_NAME),
+			$additionalProperty,
+			$this->makePropertyMock(self::COLLECTION_NAME),
+		];
+		$this->collection->setProperties($props);
+
+		$propsBefore = $this->collection->getProperties();
+		$this->collection->removeProperty($additionalProperty);
+		$propsAfter = $this->collection->getProperties();
+
+		$this->assertTrue(count($propsBefore) > count($propsAfter));
+		$this->assertCount(count($propsBefore) - 1, $propsAfter);
+		$this->assertFalse(array_search($additionalProperty, $propsAfter, true));
+	}
+
+	public function testRemovePropertyNotFound() {
+		$additionalProperty = $this->makePropertyMock(self::COLLECTION_NAME);
+		$props = [
+			$this->makePropertyMock(self::COLLECTION_NAME),
+			$this->makePropertyMock(self::COLLECTION_NAME),
+			$this->makePropertyMock(self::COLLECTION_NAME),
+		];
+		$this->collection->setProperties($props);
+
+		$propsBefore = $this->collection->getProperties();
+		$this->collection->removeProperty($additionalProperty);
+		$propsAfter = $this->collection->getProperties();
+
+		// no errors, gently
+		$this->assertCount(count($propsBefore), $propsAfter);
+	}
+
+	public function testRemovePropertyByValue() {
+		$additionalProperty = $this->makePropertyMock(self::COLLECTION_NAME);
+		$additionalProperty->expects($this->any())
+			->method('getValue')
+			->willReturn('Lorem ipsum');
+
+		$additionalPropertyTwo = clone $additionalProperty;
+
+		$props = [
+			$this->makePropertyMock(self::COLLECTION_NAME),
+			$this->makePropertyMock(self::COLLECTION_NAME),
+			$additionalProperty,
+			$this->makePropertyMock(self::COLLECTION_NAME),
+			$additionalPropertyTwo
+		];
+		$this->collection->setProperties($props);
+
+		$propsBefore = $this->collection->getProperties();
+		$this->collection->removePropertyByValue('Lorem ipsum');
+		$propsAfter = $this->collection->getProperties();
+
+		$this->assertTrue(count($propsBefore) > count($propsAfter));
+		$this->assertCount(count($propsBefore) - 2, $propsAfter);
+		$this->assertFalse(array_search($additionalProperty, $propsAfter, true));
+		$this->assertFalse(array_search($additionalPropertyTwo, $propsAfter, true));
+	}
+
+	public function testRemovePropertyByValueNotFound() {
+		$additionalProperty = $this->makePropertyMock(self::COLLECTION_NAME);
+		$additionalProperty->expects($this->any())
+			->method('getValue')
+			->willReturn('Lorem ipsum');
+
+		$props = [
+			$this->makePropertyMock(self::COLLECTION_NAME),
+			$this->makePropertyMock(self::COLLECTION_NAME),
+			$this->makePropertyMock(self::COLLECTION_NAME),
+		];
+		$this->collection->setProperties($props);
+
+		$propsBefore = $this->collection->getProperties();
+		$this->collection->removePropertyByValue('Lorem ipsum');
+		$propsAfter = $this->collection->getProperties();
+
+		// no errors, gently
+		$this->assertCount(count($propsBefore), $propsAfter);
+	}
+}

tests/lib/Accounts/AccountTest.php

@@ -25,6 +25,7 @@ namespace Test\Accounts;
 
 use OC\Accounts\Account;
 use OC\Accounts\AccountProperty;
+use OC\Accounts\AccountPropertyCollection;
 use OCP\Accounts\IAccountManager;
 use OCP\IUser;
 use Test\TestCase;
@@ -49,7 +50,7 @@ class AccountTest extends TestCase {
 		$this->assertEquals($property, $account->getProperty(IAccountManager::PROPERTY_WEBSITE));
 	}
 
-	public function testGetProperties() {
+	public function testGetAndGetAllProperties() {
 		$user = $this->createMock(IUser::class);
 		$properties = [
 			IAccountManager::PROPERTY_WEBSITE => new AccountProperty(IAccountManager::PROPERTY_WEBSITE, 'https://example.com', IAccountManager::SCOPE_PUBLISHED, IAccountManager::NOT_VERIFIED, ''),
@@ -59,7 +60,14 @@ class AccountTest extends TestCase {
 		$account->setProperty(IAccountManager::PROPERTY_WEBSITE, 'https://example.com', IAccountManager::SCOPE_PUBLISHED, IAccountManager::NOT_VERIFIED);
 		$account->setProperty(IAccountManager::PROPERTY_EMAIL, 'user@example.com', IAccountManager::SCOPE_LOCAL, IAccountManager::VERIFIED);
 
+		$col = new AccountPropertyCollection(IAccountManager::COLLECTION_EMAIL);
+		$additionalProperty = new AccountProperty($col->getName(), 'second@example.org', IAccountManager::SCOPE_PUBLISHED, IAccountManager::NOT_VERIFIED, '');
+		$col->addProperty($additionalProperty);
+		$account->setPropertyCollection($col);
+
 		$this->assertEquals($properties, $account->getProperties());
+		$properties[] = $additionalProperty;
+		$this->assertEquals(array_values($properties), \iterator_to_array($account->getAllProperties()));
 	}
 
 	public function testGetFilteredProperties() {
@@ -74,11 +82,20 @@ class AccountTest extends TestCase {
 		$account->setProperty(IAccountManager::PROPERTY_EMAIL, 'user@example.com', IAccountManager::SCOPE_LOCAL, IAccountManager::VERIFIED);
 		$account->setProperty(IAccountManager::PROPERTY_PHONE, '123456', IAccountManager::SCOPE_PUBLISHED, IAccountManager::VERIFIED);
 
+		$col = new AccountPropertyCollection(IAccountManager::COLLECTION_EMAIL);
+		$additionalProperty1 = new AccountProperty($col->getName(), 'second@example.org', IAccountManager::SCOPE_PUBLISHED, IAccountManager::NOT_VERIFIED, '');
+		$additionalProperty2 = new AccountProperty($col->getName(), 'third@example.org', IAccountManager::SCOPE_PUBLISHED, IAccountManager::VERIFIED, '');
+		$col->addProperty($additionalProperty1);
+		$col->addProperty($additionalProperty2);
+		$account->setPropertyCollection($col);
+
 
 		$this->assertEquals(
 			[
 				IAccountManager::PROPERTY_WEBSITE => $properties[IAccountManager::PROPERTY_WEBSITE],
 				IAccountManager::PROPERTY_PHONE => $properties[IAccountManager::PROPERTY_PHONE],
+				IAccountManager::COLLECTION_EMAIL . '#0' => $additionalProperty1,
+				IAccountManager::COLLECTION_EMAIL . '#1' => $additionalProperty2,
 			],
 			$account->getFilteredProperties(IAccountManager::SCOPE_PUBLISHED)
 		);
@@ -86,12 +103,16 @@ class AccountTest extends TestCase {
 			[
 				IAccountManager::PROPERTY_EMAIL => $properties[IAccountManager::PROPERTY_EMAIL],
 				IAccountManager::PROPERTY_PHONE => $properties[IAccountManager::PROPERTY_PHONE],
+				IAccountManager::COLLECTION_EMAIL . '#0' => $additionalProperty2,
 			],
 			$account->getFilteredProperties(null, IAccountManager::VERIFIED)
 		);
 		$this->assertEquals(
-			[IAccountManager::PROPERTY_PHONE => $properties[IAccountManager::PROPERTY_PHONE]],
+			[
-			$account->getFilteredProperties(IAccountManager::SCOPE_PUBLISHED, IAccountManager::VERIFIED)
+				IAccountManager::PROPERTY_PHONE => $properties[IAccountManager::PROPERTY_PHONE],
+				IAccountManager::COLLECTION_EMAIL . '#0' => $additionalProperty2,
+			],
+			$account->getFilteredProperties(IAccountManager::SCOPE_PUBLISHED, IAccountManager::VERIFIED),
 		);
 	}