Provider::__construct() - Code Metrics - Inspection of "Merge pull request #19173 from nextcloud/bugfix/no..." - nextcloud/server - Measure and Improve Code Quality continuously with Scrutinizer

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Push — master ( c8a360...d3d2db )

by Roeland

created 2020-03-10 19:31 UTC

Provider::__construct() A

↳ Parent: Provider

Complexity

Conditions	1
Paths	1

Size

Total Lines	16
Code Lines	8

Duplication

Lines	0
Ratio	0 %

Importance

Changes

Metric	Value
cc	1
eloc	8
c	0
b	0
f	0
nc	1
nop	8
dl	0
loc	16
rs	10

How to fix Many Parameters

<?php
/**
 * @copyright Copyright (c) 2016 Joas Schilling <[email protected]>
 *
 * @author Joas Schilling <[email protected]>
 * @author Morris Jobke <[email protected]>
 *
 * @license GNU AGPL version 3 or any later version
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Affero General Public License as
 * published by the Free Software Foundation, either version 3 of the
 * License, or (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU Affero General Public License for more details.
 *
 * You should have received a copy of the GNU Affero General Public License
 * along with this program. If not, see <http://www.gnu.org/licenses/>.
 *
 */

namespace OCA\Files\Activity;

use OCP\Activity\IEvent;
use OCP\Activity\IEventMerger;
use OCP\Activity\IManager;
use OCP\Activity\IProvider;
use OCP\Contacts\IManager as IContactsManager;
use OCP\Federation\ICloudIdManager;
use OCP\Files\Folder;
use OCP\Files\InvalidPathException;
use OCP\Files\IRootFolder;
use OCP\Files\Node;
use OCP\Files\NotFoundException;
use OCP\IL10N;
use OCP\IURLGenerator;
use OCP\IUser;
use OCP\IUserManager;
use OCP\L10N\IFactory;

class Provider implements IProvider {

	/** @var IFactory */
	protected $languageFactory;

	/** @var IL10N */
	protected $l;
	/** @var IL10N */
	protected $activityLang;

	/** @var IURLGenerator */
	protected $url;

	/** @var IManager */
	protected $activityManager;

	/** @var IUserManager */
	protected $userManager;

	/** @var IRootFolder */
	protected $rootFolder;

	/** @var IEventMerger */
	protected $eventMerger;

	/** @var ICloudIdManager */
	protected $cloudIdManager;

	/** @var IContactsManager */
	protected $contactsManager;

	/** @var string[] cached displayNames - key is the cloud id and value the displayname */
	protected $displayNames = [];

	protected $fileIsEncrypted = false;

	public function __construct(IFactory $languageFactory,
								IURLGenerator $url,
								IManager $activityManager,
								IUserManager $userManager,
								IRootFolder $rootFolder,
								ICloudIdManager $cloudIdManager,
								IContactsManager $contactsManager,
								IEventMerger $eventMerger) {
		$this->languageFactory = $languageFactory;
		$this->url = $url;
		$this->activityManager = $activityManager;
		$this->userManager = $userManager;
		$this->rootFolder = $rootFolder;
		$this->cloudIdManager = $cloudIdManager;
		$this->contactsManager = $contactsManager;
		$this->eventMerger = $eventMerger;
	}

	/**
	 * @param string $language
	 * @param IEvent $event
	 * @param IEvent|null $previousEvent
	 * @return IEvent
	 * @throws \InvalidArgumentException
	 * @since 11.0.0
	 */
	public function parse($language, IEvent $event, IEvent $previousEvent = null) {
		if ($event->getApp() !== 'files') {
			throw new \InvalidArgumentException();
		}

		$this->l = $this->languageFactory->get('files', $language);
		$this->activityLang = $this->languageFactory->get('activity', $language);

		if ($this->activityManager->isFormattingFilteredObject()) {
			try {
				return $this->parseShortVersion($event, $previousEvent);
			} catch (\InvalidArgumentException $e) {
				// Ignore and simply use the long version...
			}
		}

		return $this->parseLongVersion($event, $previousEvent);
	}

	protected function setIcon(IEvent $event, string $icon, string $app = 'files') {
		if ($this->activityManager->getRequirePNG()) {
			$event->setIcon($this->url->getAbsoluteURL($this->url->imagePath($app, $icon . '.png')));
		} else {
			$event->setIcon($this->url->getAbsoluteURL($this->url->imagePath($app, $icon . '.svg')));
		}
	}

	/**
	 * @param IEvent $event
	 * @param IEvent|null $previousEvent
	 * @return IEvent
	 * @throws \InvalidArgumentException
	 * @since 11.0.0
	 */
	public function parseShortVersion(IEvent $event, IEvent $previousEvent = null) {
		$parsedParameters = $this->getParameters($event);

		if ($event->getSubject() === 'created_by') {
			$subject = $this->l->t('Created by {user}');
			$this->setIcon($event, 'add-color');
		} else if ($event->getSubject() === 'changed_by') {
			$subject = $this->l->t('Changed by {user}');
			$this->setIcon($event, 'change');
		} else if ($event->getSubject() === 'deleted_by') {
			$subject = $this->l->t('Deleted by {user}');
			$this->setIcon($event, 'delete-color');
		} else if ($event->getSubject() === 'restored_by') {
			$subject = $this->l->t('Restored by {user}');
			$this->setIcon($event, 'actions/history', 'core');
		} else if ($event->getSubject() === 'renamed_by') {
			$subject = $this->l->t('Renamed by {user}');
			$this->setIcon($event, 'change');
		} else if ($event->getSubject() === 'moved_by') {
			$subject = $this->l->t('Moved by {user}');
			$this->setIcon($event, 'change');
		} else {
			throw new \InvalidArgumentException();
		}

		if (!isset($parsedParameters['user'])) {
			// External user via public link share
			$subject = str_replace('{user}', $this->activityLang->t('"remote user"'), $subject);
		}

		$this->setSubjects($event, $subject, $parsedParameters);

		return $this->eventMerger->mergeEvents('user', $event, $previousEvent);
	}

	/**
	 * @param IEvent $event
	 * @param IEvent|null $previousEvent
	 * @return IEvent
	 * @throws \InvalidArgumentException
	 * @since 11.0.0
	 */
	public function parseLongVersion(IEvent $event, IEvent $previousEvent = null) {
		$this->fileIsEncrypted = false;
		$parsedParameters = $this->getParameters($event);

		if ($event->getSubject() === 'created_self') {
			$subject = $this->l->t('You created {file}');
			if ($this->fileIsEncrypted) {
				$subject = $this->l->t('You created an encrypted file in {file}');
			}
			$this->setIcon($event, 'add-color');
		} else if ($event->getSubject() === 'created_by') {
			$subject = $this->l->t('{user} created {file}');
			if ($this->fileIsEncrypted) {
				$subject = $this->l->t('{user} created an encrypted file in {file}');
			}
			$this->setIcon($event, 'add-color');
		} else if ($event->getSubject() === 'created_public') {
			$subject = $this->l->t('{file} was created in a public folder');
			$this->setIcon($event, 'add-color');
		} else if ($event->getSubject() === 'changed_self') {
			$subject = $this->l->t('You changed {file}');
			if ($this->fileIsEncrypted) {
				$subject = $this->l->t('You changed an encrypted file in {file}');
			}
			$this->setIcon($event, 'change');
		} else if ($event->getSubject() === 'changed_by') {
			$subject = $this->l->t('{user} changed {file}');
			if ($this->fileIsEncrypted) {
				$subject = $this->l->t('{user} changed an encrypted file in {file}');
			}
			$this->setIcon($event, 'change');
		} else if ($event->getSubject() === 'deleted_self') {
			$subject = $this->l->t('You deleted {file}');
			if ($this->fileIsEncrypted) {
				$subject = $this->l->t('You deleted an encrypted file in {file}');
			}
			$this->setIcon($event, 'delete-color');
		} else if ($event->getSubject() === 'deleted_by') {
			$subject = $this->l->t('{user} deleted {file}');
			if ($this->fileIsEncrypted) {
				$subject = $this->l->t('{user} deleted an encrypted file in {file}');
			}
			$this->setIcon($event, 'delete-color');
		} else if ($event->getSubject() === 'restored_self') {
			$subject = $this->l->t('You restored {file}');
			$this->setIcon($event, 'actions/history', 'core');
		} else if ($event->getSubject() === 'restored_by') {
			$subject = $this->l->t('{user} restored {file}');
			$this->setIcon($event, 'actions/history', 'core');
		} else if ($event->getSubject() === 'renamed_self') {
			$subject = $this->l->t('You renamed {oldfile} to {newfile}');
			$this->setIcon($event, 'change');
		} else if ($event->getSubject() === 'renamed_by') {
			$subject = $this->l->t('{user} renamed {oldfile} to {newfile}');
			$this->setIcon($event, 'change');
		} else if ($event->getSubject() === 'moved_self') {
			$subject = $this->l->t('You moved {oldfile} to {newfile}');
			$this->setIcon($event, 'change');
		} else if ($event->getSubject() === 'moved_by') {
			$subject = $this->l->t('{user} moved {oldfile} to {newfile}');
			$this->setIcon($event, 'change');
		} else {
			throw new \InvalidArgumentException();
		}

		if ($this->fileIsEncrypted) {
			$event->setSubject($event->getSubject() . '_enc', $event->getSubjectParameters());
		}

		if (!isset($parsedParameters['user'])) {
			// External user via public link share
			$subject = str_replace('{user}', $this->activityLang->t('"remote user"'), $subject);
		}

		$this->setSubjects($event, $subject, $parsedParameters);

		if ($event->getSubject() === 'moved_self' || $event->getSubject() === 'moved_by') {
			$event = $this->eventMerger->mergeEvents('oldfile', $event, $previousEvent);
		} else {
			$event = $this->eventMerger->mergeEvents('file', $event, $previousEvent);
		}

		if ($event->getChildEvent() === null) {
			// Couldn't group by file, maybe we can group by user
			$event = $this->eventMerger->mergeEvents('user', $event, $previousEvent);
		}

		return $event;
	}

	protected function setSubjects(IEvent $event, $subject, array $parameters) {
		$placeholders = $replacements = [];
		foreach ($parameters as $placeholder => $parameter) {
			$placeholders[] = '{' . $placeholder . '}';
			if ($parameter['type'] === 'file') {
				$replacements[] = $parameter['path'];
			} else {
				$replacements[] = $parameter['name'];
			}
		}

		$event->setParsedSubject(str_replace($placeholders, $replacements, $subject))
			->setRichSubject($subject, $parameters);
	}

	/**
	 * @param IEvent $event
	 * @return array
	 * @throws \InvalidArgumentException
	 */
	protected function getParameters(IEvent $event) {
		$parameters = $event->getSubjectParameters();
		switch ($event->getSubject()) {
			case 'created_self':
			case 'created_public':
			case 'changed_self':
			case 'deleted_self':
			case 'restored_self':
				return [
					'file' => $this->getFile($parameters[0], $event),
				];
			case 'created_by':
			case 'changed_by':
			case 'deleted_by':
			case 'restored_by':
				if ($parameters[1] === '') {
					// External user via public link share
					return [
						'file' => $this->getFile($parameters[0], $event),
					];
				}
				return [
					'file' => $this->getFile($parameters[0], $event),
					'user' => $this->getUser($parameters[1]),
				];
			case 'renamed_self':
			case 'moved_self':
				return [
					'newfile' => $this->getFile($parameters[0]),
					'oldfile' => $this->getFile($parameters[1]),
				];
			case 'renamed_by':
			case 'moved_by':
				if ($parameters[1] === '') {
					// External user via public link share
					return [
						'newfile' => $this->getFile($parameters[0]),
						'oldfile' => $this->getFile($parameters[2]),
					];
				}
				return [
					'newfile' => $this->getFile($parameters[0]),
					'user' => $this->getUser($parameters[1]),
					'oldfile' => $this->getFile($parameters[2]),
				];
		}
		return [];
	}

	/**
	 * @param array|string $parameter
	 * @param IEvent|null $event
	 * @return array
	 * @throws \InvalidArgumentException
	 */
	protected function getFile($parameter, IEvent $event = null) {
		if (is_array($parameter)) {
			$path = reset($parameter);
			$id = (string) key($parameter);
		} else if ($event !== null) {
			// Legacy from before ownCloud 8.2
			$path = $parameter;
			$id = $event->getObjectId();
		} else {
			throw new \InvalidArgumentException('Could not generate file parameter');
		}

		$encryptionContainer = $this->getEndToEndEncryptionContainer($id, $path);
		if ($encryptionContainer instanceof Folder) {
			$this->fileIsEncrypted = true;
			try {
				$fullPath = rtrim($encryptionContainer->getPath(), '/');
				// Remove /user/files/...
				list(,,, $path) = explode('/', $fullPath, 4);
				if (!$path) {
					throw new InvalidPathException('Path could not be split correctly');
				}

				return [
					'type' => 'file',
					'id' => $encryptionContainer->getId(),
					'name' => $encryptionContainer->getName(),
					'path' => $path,
					'link' => $this->url->linkToRouteAbsolute('files.viewcontroller.showFile', ['fileid' => $encryptionContainer->getId()]),
				];
			} catch (\Exception $e) {
				// fall back to the normal one
				$this->fileIsEncrypted = false;
			}
		}

		return [
			'type' => 'file',
			'id' => $id,
			'name' => basename($path),
			'path' => trim($path, '/'),
			'link' => $this->url->linkToRouteAbsolute('files.viewcontroller.showFile', ['fileid' => $id]),
		];
	}

	protected $fileEncrypted = [];

	/**
	 * Check if a file is end2end encrypted
	 * @param int $fileId
	 * @param string $path
	 * @return Folder|null
	 */
	protected function getEndToEndEncryptionContainer($fileId, $path) {
		if (isset($this->fileEncrypted[$fileId])) {
			return $this->fileEncrypted[$fileId];
		}

		$fileName = basename($path);
		if (!preg_match('/^[0-9a-fA-F]{32}$/', $fileName)) {
			$this->fileEncrypted[$fileId] = false;
			return $this->fileEncrypted[$fileId];
		}

		$userFolder = $this->rootFolder->getUserFolder($this->activityManager->getCurrentUserId());
		$files = $userFolder->getById($fileId);
		if (empty($files)) {
			try {
				// Deleted, try with parent
				$file = $this->findExistingParent($userFolder, dirname($path));
			} catch (NotFoundException $e) {
				return null;
			}

			if (!$file instanceof Folder || !$file->isEncrypted()) {

				return null;
			}

			$this->fileEncrypted[$fileId] = $file;
			return $file;
		}

		$file = array_shift($files);

		if ($file instanceof Folder && $file->isEncrypted()) {
			// If the folder is encrypted, it is the Container,
			// but can be the name is just fine.
			$this->fileEncrypted[$fileId] = true;
			return null;
		}

		$this->fileEncrypted[$fileId] = $this->getParentEndToEndEncryptionContainer($userFolder, $file);
		return $this->fileEncrypted[$fileId];
	}

	/**
	 * @param Folder $userFolder
	 * @param string $path
	 * @return Folder
	 * @throws NotFoundException
	 */
	protected function findExistingParent(Folder $userFolder, $path) {
		if ($path === '/') {
			throw new NotFoundException('Reached the root');
		}

		try {
			$folder = $userFolder->get(dirname($path));
		} catch (NotFoundException $e) {
			return $this->findExistingParent($userFolder, dirname($path));
		}

		return $folder;
	}

	/**
	 * Check all parents until the user's root folder if one is encrypted
	 *
	 * @param Folder $userFolder
	 * @param Node $file
	 * @return Node|null
	 */
	protected function getParentEndToEndEncryptionContainer(Folder $userFolder, Node $file) {
		try {
			$parent = $file->getParent();

			if ($userFolder->getId() === $parent->getId()) {
				return null;
			}
		} catch (\Exception $e) {
			return null;
		}

		if ($parent->isEncrypted()) {
			return $parent;
		}

		return $this->getParentEndToEndEncryptionContainer($userFolder, $parent);
	}

	/**
	 * @param string $uid
	 * @return array
	 */
	protected function getUser($uid) {
		// First try local user
		$user = $this->userManager->get($uid);
		if ($user instanceof IUser) {
			return [
				'type' => 'user',
				'id' => $user->getUID(),
				'name' => $user->getDisplayName(),
			];
		}

		// Then a contact from the addressbook
		if ($this->cloudIdManager->isValidCloudId($uid)) {
			$cloudId = $this->cloudIdManager->resolveCloudId($uid);
			return [
				'type' => 'user',
				'id' => $cloudId->getUser(),
				'name' => $this->getDisplayNameFromAddressBook($cloudId->getDisplayId()),
				'server' => $cloudId->getRemote(),
			];
		}

		// Fallback to empty dummy data
		return [
			'type' => 'user',
			'id' => $uid,
			'name' => $uid,
		];
	}

	protected function getDisplayNameFromAddressBook(string $search): string {
		if (isset($this->displayNames[$search])) {
			return $this->displayNames[$search];
		}

		$addressBookContacts = $this->contactsManager->search($search, ['CLOUD']);
		foreach ($addressBookContacts as $contact) {
			if (isset($contact['isLocalSystemBook'])) {
				continue;
			}

			if (isset($contact['CLOUD'])) {
				$cloudIds = $contact['CLOUD'];
				if (is_string($cloudIds)) {
					$cloudIds = [$cloudIds];
				}

				$lowerSearch = strtolower($search);
				foreach ($cloudIds as $cloudId) {
					if (strtolower($cloudId) === $lowerSearch) {
						$this->displayNames[$search] = $contact['FN'] . " ($cloudId)";
						return $this->displayNames[$search];
					}
				}
			}
		}

		return $search;
	}
}


1			<?php
2			/**
3			* @copyright Copyright (c) 2016 Joas Schilling <[email protected]>
4			*
5			* @author Joas Schilling <[email protected]>
6			* @author Morris Jobke <[email protected]>
7			*
8			* @license GNU AGPL version 3 or any later version
9			*
10			* This program is free software: you can redistribute it and/or modify
11			* it under the terms of the GNU Affero General Public License as
12			* published by the Free Software Foundation, either version 3 of the
13			* License, or (at your option) any later version.
14			*
15			* This program is distributed in the hope that it will be useful,
16			* but WITHOUT ANY WARRANTY; without even the implied warranty of
17			* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18			* GNU Affero General Public License for more details.
19			*
20			* You should have received a copy of the GNU Affero General Public License
21			* along with this program. If not, see <http://www.gnu.org/licenses/>.
22			*
23			*/
24
25			namespace OCA\Files\Activity;
26
27			use OCP\Activity\IEvent;
28			use OCP\Activity\IEventMerger;
29			use OCP\Activity\IManager;
30			use OCP\Activity\IProvider;
31			use OCP\Contacts\IManager as IContactsManager;
32			use OCP\Federation\ICloudIdManager;
33			use OCP\Files\Folder;
34			use OCP\Files\InvalidPathException;
35			use OCP\Files\IRootFolder;
36			use OCP\Files\Node;
37			use OCP\Files\NotFoundException;
38			use OCP\IL10N;
39			use OCP\IURLGenerator;
40			use OCP\IUser;
41			use OCP\IUserManager;
42			use OCP\L10N\IFactory;
43
44			class Provider implements IProvider {
45
46			/** @var IFactory */
47			protected $languageFactory;
48
49			/** @var IL10N */
50			protected $l;
51			/** @var IL10N */
52			protected $activityLang;
53
54			/** @var IURLGenerator */
55			protected $url;
56
57			/** @var IManager */
58			protected $activityManager;
59
60			/** @var IUserManager */
61			protected $userManager;
62
63			/** @var IRootFolder */
64			protected $rootFolder;
65
66			/** @var IEventMerger */
67			protected $eventMerger;
68
69			/** @var ICloudIdManager */
70			protected $cloudIdManager;
71
72			/** @var IContactsManager */
73			protected $contactsManager;
74
75			/** @var string[] cached displayNames - key is the cloud id and value the displayname */
76			protected $displayNames = [];
77
78			protected $fileIsEncrypted = false;
79
80			public function __construct(IFactory $languageFactory,
81			IURLGenerator $url,
82			IManager $activityManager,
83			IUserManager $userManager,
84			IRootFolder $rootFolder,
85			ICloudIdManager $cloudIdManager,
86			IContactsManager $contactsManager,
87			IEventMerger $eventMerger) {
88			$this->languageFactory = $languageFactory;
89			$this->url = $url;
90			$this->activityManager = $activityManager;
91			$this->userManager = $userManager;
92			$this->rootFolder = $rootFolder;
93			$this->cloudIdManager = $cloudIdManager;
94			$this->contactsManager = $contactsManager;
95			$this->eventMerger = $eventMerger;
96			}
97
98			/**
99			* @param string $language
100			* @param IEvent $event
101			* @param IEvent\|null $previousEvent
102			* @return IEvent
103			* @throws \InvalidArgumentException
104			* @since 11.0.0
105			*/
106			public function parse($language, IEvent $event, IEvent $previousEvent = null) {
107			if ($event->getApp() !== 'files') {
108			throw new \InvalidArgumentException();
109			}
110
111			$this->l = $this->languageFactory->get('files', $language);
112			$this->activityLang = $this->languageFactory->get('activity', $language);
113
114			if ($this->activityManager->isFormattingFilteredObject()) {
115			try {
116			return $this->parseShortVersion($event, $previousEvent);
117			} catch (\InvalidArgumentException $e) {
118			// Ignore and simply use the long version...
119			}
120			}
121
122			return $this->parseLongVersion($event, $previousEvent);
123			}
124
125			protected function setIcon(IEvent $event, string $icon, string $app = 'files') {
126			if ($this->activityManager->getRequirePNG()) {
127			$event->setIcon($this->url->getAbsoluteURL($this->url->imagePath($app, $icon . '.png')));
128			} else {
129			$event->setIcon($this->url->getAbsoluteURL($this->url->imagePath($app, $icon . '.svg')));
130			}
131			}
132
133			/**
134			* @param IEvent $event
135			* @param IEvent\|null $previousEvent
136			* @return IEvent
137			* @throws \InvalidArgumentException
138			* @since 11.0.0
139			*/
140			public function parseShortVersion(IEvent $event, IEvent $previousEvent = null) {
141			$parsedParameters = $this->getParameters($event);
142
143			if ($event->getSubject() === 'created_by') {
144			$subject = $this->l->t('Created by {user}');
145			$this->setIcon($event, 'add-color');
146			} else if ($event->getSubject() === 'changed_by') {
147			$subject = $this->l->t('Changed by {user}');
148			$this->setIcon($event, 'change');
149			} else if ($event->getSubject() === 'deleted_by') {
150			$subject = $this->l->t('Deleted by {user}');
151			$this->setIcon($event, 'delete-color');
152			} else if ($event->getSubject() === 'restored_by') {
153			$subject = $this->l->t('Restored by {user}');
154			$this->setIcon($event, 'actions/history', 'core');
155			} else if ($event->getSubject() === 'renamed_by') {
156			$subject = $this->l->t('Renamed by {user}');
157			$this->setIcon($event, 'change');
158			} else if ($event->getSubject() === 'moved_by') {
159			$subject = $this->l->t('Moved by {user}');
160			$this->setIcon($event, 'change');
161			} else {
162			throw new \InvalidArgumentException();
163			}
164
165			if (!isset($parsedParameters['user'])) {
166			// External user via public link share
167			$subject = str_replace('{user}', $this->activityLang->t('"remote user"'), $subject);
168			}
169
170			$this->setSubjects($event, $subject, $parsedParameters);
171
172			return $this->eventMerger->mergeEvents('user', $event, $previousEvent);
173			}
174
175			/**
176			* @param IEvent $event
177			* @param IEvent\|null $previousEvent
178			* @return IEvent
179			* @throws \InvalidArgumentException
180			* @since 11.0.0
181			*/
182			public function parseLongVersion(IEvent $event, IEvent $previousEvent = null) {
183			$this->fileIsEncrypted = false;
184			$parsedParameters = $this->getParameters($event);
185
186			if ($event->getSubject() === 'created_self') {
187			$subject = $this->l->t('You created {file}');
188			if ($this->fileIsEncrypted) {
189			$subject = $this->l->t('You created an encrypted file in {file}');
190			}
191			$this->setIcon($event, 'add-color');
192			} else if ($event->getSubject() === 'created_by') {
193			$subject = $this->l->t('{user} created {file}');
194			if ($this->fileIsEncrypted) {
195			$subject = $this->l->t('{user} created an encrypted file in {file}');
196			}
197			$this->setIcon($event, 'add-color');
198			} else if ($event->getSubject() === 'created_public') {
199			$subject = $this->l->t('{file} was created in a public folder');
200			$this->setIcon($event, 'add-color');
201			} else if ($event->getSubject() === 'changed_self') {
202			$subject = $this->l->t('You changed {file}');
203			if ($this->fileIsEncrypted) {
204			$subject = $this->l->t('You changed an encrypted file in {file}');
205			}
206			$this->setIcon($event, 'change');
207			} else if ($event->getSubject() === 'changed_by') {
208			$subject = $this->l->t('{user} changed {file}');
209			if ($this->fileIsEncrypted) {
210			$subject = $this->l->t('{user} changed an encrypted file in {file}');
211			}
212			$this->setIcon($event, 'change');
213			} else if ($event->getSubject() === 'deleted_self') {
214			$subject = $this->l->t('You deleted {file}');
215			if ($this->fileIsEncrypted) {
216			$subject = $this->l->t('You deleted an encrypted file in {file}');
217			}
218			$this->setIcon($event, 'delete-color');
219			} else if ($event->getSubject() === 'deleted_by') {
220			$subject = $this->l->t('{user} deleted {file}');
221			if ($this->fileIsEncrypted) {
222			$subject = $this->l->t('{user} deleted an encrypted file in {file}');
223			}
224			$this->setIcon($event, 'delete-color');
225			} else if ($event->getSubject() === 'restored_self') {
226			$subject = $this->l->t('You restored {file}');
227			$this->setIcon($event, 'actions/history', 'core');
228			} else if ($event->getSubject() === 'restored_by') {
229			$subject = $this->l->t('{user} restored {file}');
230			$this->setIcon($event, 'actions/history', 'core');
231			} else if ($event->getSubject() === 'renamed_self') {
232			$subject = $this->l->t('You renamed {oldfile} to {newfile}');
233			$this->setIcon($event, 'change');
234			} else if ($event->getSubject() === 'renamed_by') {
235			$subject = $this->l->t('{user} renamed {oldfile} to {newfile}');
236			$this->setIcon($event, 'change');
237			} else if ($event->getSubject() === 'moved_self') {
238			$subject = $this->l->t('You moved {oldfile} to {newfile}');
239			$this->setIcon($event, 'change');
240			} else if ($event->getSubject() === 'moved_by') {
241			$subject = $this->l->t('{user} moved {oldfile} to {newfile}');
242			$this->setIcon($event, 'change');
243			} else {
244			throw new \InvalidArgumentException();
245			}
246
247			if ($this->fileIsEncrypted) {
248			$event->setSubject($event->getSubject() . '_enc', $event->getSubjectParameters());
249			}
250
251			if (!isset($parsedParameters['user'])) {
252			// External user via public link share
253			$subject = str_replace('{user}', $this->activityLang->t('"remote user"'), $subject);
254			}
255
256			$this->setSubjects($event, $subject, $parsedParameters);
257
258			if ($event->getSubject() === 'moved_self' \|\| $event->getSubject() === 'moved_by') {
259			$event = $this->eventMerger->mergeEvents('oldfile', $event, $previousEvent);
260			} else {
261			$event = $this->eventMerger->mergeEvents('file', $event, $previousEvent);
262			}
263
264			if ($event->getChildEvent() === null) {
265			// Couldn't group by file, maybe we can group by user
266			$event = $this->eventMerger->mergeEvents('user', $event, $previousEvent);
267			}
268
269			return $event;
270			}
271
272			protected function setSubjects(IEvent $event, $subject, array $parameters) {
273			$placeholders = $replacements = [];
274			foreach ($parameters as $placeholder => $parameter) {
275			$placeholders[] = '{' . $placeholder . '}';
276			if ($parameter['type'] === 'file') {
277			$replacements[] = $parameter['path'];
278			} else {
279			$replacements[] = $parameter['name'];
280			}
281			}
282
283			$event->setParsedSubject(str_replace($placeholders, $replacements, $subject))
284			->setRichSubject($subject, $parameters);
285			}
286
287			/**
288			* @param IEvent $event
289			* @return array
290			* @throws \InvalidArgumentException
291			*/
292			protected function getParameters(IEvent $event) {
293			$parameters = $event->getSubjectParameters();
294			switch ($event->getSubject()) {
295			case 'created_self':
296			case 'created_public':
297			case 'changed_self':
298			case 'deleted_self':
299			case 'restored_self':
300			return [
301			'file' => $this->getFile($parameters[0], $event),
302			];
303			case 'created_by':
304			case 'changed_by':
305			case 'deleted_by':
306			case 'restored_by':
307			if ($parameters[1] === '') {
308			// External user via public link share
309			return [
310			'file' => $this->getFile($parameters[0], $event),
311			];
312			}
313			return [
314			'file' => $this->getFile($parameters[0], $event),
315			'user' => $this->getUser($parameters[1]),
316			];
317			case 'renamed_self':
318			case 'moved_self':
319			return [
320			'newfile' => $this->getFile($parameters[0]),
321			'oldfile' => $this->getFile($parameters[1]),
322			];
323			case 'renamed_by':
324			case 'moved_by':
325			if ($parameters[1] === '') {
326			// External user via public link share
327			return [
328			'newfile' => $this->getFile($parameters[0]),
329			'oldfile' => $this->getFile($parameters[2]),
330			];
331			}
332			return [
333			'newfile' => $this->getFile($parameters[0]),
334			'user' => $this->getUser($parameters[1]),
335			'oldfile' => $this->getFile($parameters[2]),
336			];
337			}
338			return [];
339			}
340
341			/**
342			* @param array\|string $parameter
343			* @param IEvent\|null $event
344			* @return array
345			* @throws \InvalidArgumentException
346			*/
347			protected function getFile($parameter, IEvent $event = null) {
348			if (is_array($parameter)) {
349			$path = reset($parameter);
350			$id = (string) key($parameter);
351			} else if ($event !== null) {
352			// Legacy from before ownCloud 8.2
353			$path = $parameter;
354			$id = $event->getObjectId();
355			} else {
356			throw new \InvalidArgumentException('Could not generate file parameter');
357			}
358
359			$encryptionContainer = $this->getEndToEndEncryptionContainer($id, $path);
360			if ($encryptionContainer instanceof Folder) {
361			$this->fileIsEncrypted = true;
362			try {
363			$fullPath = rtrim($encryptionContainer->getPath(), '/');
364			// Remove /user/files/...
365			list(,,, $path) = explode('/', $fullPath, 4);
366			if (!$path) {
367			throw new InvalidPathException('Path could not be split correctly');
368			}
369
370			return [
371			'type' => 'file',
372			'id' => $encryptionContainer->getId(),
373			'name' => $encryptionContainer->getName(),
374			'path' => $path,
375			'link' => $this->url->linkToRouteAbsolute('files.viewcontroller.showFile', ['fileid' => $encryptionContainer->getId()]),
376			];
377			} catch (\Exception $e) {
378			// fall back to the normal one
379			$this->fileIsEncrypted = false;
380			}
381			}
382
383			return [
384			'type' => 'file',
385			'id' => $id,
386			'name' => basename($path),
387			'path' => trim($path, '/'),
388			'link' => $this->url->linkToRouteAbsolute('files.viewcontroller.showFile', ['fileid' => $id]),
389			];
390			}
391
392			protected $fileEncrypted = [];
393
394			/**
395			* Check if a file is end2end encrypted
396			* @param int $fileId
397			* @param string $path
398			* @return Folder\|null
399			*/
400			protected function getEndToEndEncryptionContainer($fileId, $path) {
401			if (isset($this->fileEncrypted[$fileId])) {
402			return $this->fileEncrypted[$fileId];
403			}
404
405			$fileName = basename($path);
406			if (!preg_match('/^[0-9a-fA-F]{32}$/', $fileName)) {
407			$this->fileEncrypted[$fileId] = false;
408			return $this->fileEncrypted[$fileId];
409			}
410
411			$userFolder = $this->rootFolder->getUserFolder($this->activityManager->getCurrentUserId());
412			$files = $userFolder->getById($fileId);
413			if (empty($files)) {
414			try {
415			// Deleted, try with parent
416			$file = $this->findExistingParent($userFolder, dirname($path));
417			} catch (NotFoundException $e) {
418			return null;
419			}
420
421			if (!$file instanceof Folder \|\| !$file->isEncrypted()) {
			0 ignored issues – show introduced 2018-10-24 12:40 UTC by Report Bug Copy Issue Report `$file` is always a sub-type of `OCP\Files\Folder`. Loading history...
422			return null;
423			}
424
425			$this->fileEncrypted[$fileId] = $file;
426			return $file;
427			}
428
429			$file = array_shift($files);
430
431			if ($file instanceof Folder && $file->isEncrypted()) {
432			// If the folder is encrypted, it is the Container,
433			// but can be the name is just fine.
434			$this->fileEncrypted[$fileId] = true;
435			return null;
436			}
437
438			$this->fileEncrypted[$fileId] = $this->getParentEndToEndEncryptionContainer($userFolder, $file);
439			return $this->fileEncrypted[$fileId];
440			}
441
442			/**
443			* @param Folder $userFolder
444			* @param string $path
445			* @return Folder
446			* @throws NotFoundException
447			*/
448			protected function findExistingParent(Folder $userFolder, $path) {
449			if ($path === '/') {
450			throw new NotFoundException('Reached the root');
451			}
452
453			try {
454			$folder = $userFolder->get(dirname($path));
455			} catch (NotFoundException $e) {
456			return $this->findExistingParent($userFolder, dirname($path));
457			}
458
459			return $folder;
460			}
461
462			/**
463			* Check all parents until the user's root folder if one is encrypted
464			*
465			* @param Folder $userFolder
466			* @param Node $file
467			* @return Node\|null
468			*/
469			protected function getParentEndToEndEncryptionContainer(Folder $userFolder, Node $file) {
470			try {
471			$parent = $file->getParent();
472
473			if ($userFolder->getId() === $parent->getId()) {
474			return null;
475			}
476			} catch (\Exception $e) {
477			return null;
478			}
479
480			if ($parent->isEncrypted()) {
481			return $parent;
482			}
483
484			return $this->getParentEndToEndEncryptionContainer($userFolder, $parent);
485			}
486
487			/**
488			* @param string $uid
489			* @return array
490			*/
491			protected function getUser($uid) {
492			// First try local user
493			$user = $this->userManager->get($uid);
494			if ($user instanceof IUser) {
495			return [
496			'type' => 'user',
497			'id' => $user->getUID(),
498			'name' => $user->getDisplayName(),
499			];
500			}
501
502			// Then a contact from the addressbook
503			if ($this->cloudIdManager->isValidCloudId($uid)) {
504			$cloudId = $this->cloudIdManager->resolveCloudId($uid);
505			return [
506			'type' => 'user',
507			'id' => $cloudId->getUser(),
508			'name' => $this->getDisplayNameFromAddressBook($cloudId->getDisplayId()),
509			'server' => $cloudId->getRemote(),
510			];
511			}
512
513			// Fallback to empty dummy data
514			return [
515			'type' => 'user',
516			'id' => $uid,
517			'name' => $uid,
518			];
519			}
520
521			protected function getDisplayNameFromAddressBook(string $search): string {
522			if (isset($this->displayNames[$search])) {
523			return $this->displayNames[$search];
524			}
525
526			$addressBookContacts = $this->contactsManager->search($search, ['CLOUD']);
527			foreach ($addressBookContacts as $contact) {
528			if (isset($contact['isLocalSystemBook'])) {
529			continue;
530			}
531
532			if (isset($contact['CLOUD'])) {
533			$cloudIds = $contact['CLOUD'];
534			if (is_string($cloudIds)) {
535			$cloudIds = [$cloudIds];
536			}
537
538			$lowerSearch = strtolower($search);
539			foreach ($cloudIds as $cloudId) {
540			if (strtolower($cloudId) === $lowerSearch) {
541			$this->displayNames[$search] = $contact['FN'] . " ($cloudId)";
542			return $this->displayNames[$search];
543			}
544			}
545			}
546			}
547
548			return $search;
549			}
550			}
551

nextcloud / server

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Provider::__construct() A

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