HookManager::deleteZsyncMetadata() - Code Metrics - Inspection of "Remove deprecated \OCP\User::getUser" - owncloud/core - Measure and Improve Code Quality continuously with Scrutinizer

Completed

Pull Request — master (#32155)

by Thomas

created 2018-08-03 12:17 UTC

HookManager::deleteZsyncMetadata() C

↳ Parent: HookManager

Complexity

Conditions	12
Paths	10

Size

Total Lines

Duplication

Lines	3
Ratio	9.09 %

Importance

Changes

Metric	Value
cc	12
nc	10
nop	1
dl	3
loc	33
rs	6.9666
c	0
b	0
f	0

How to fix Complexity

<?php
/**
 * @author Thomas Citharel <[email protected]>
 * @author Thomas Müller <[email protected]>
 *
 * @copyright Copyright (c) 2018, ownCloud GmbH
 * @license AGPL-3.0
 *
 * This code is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Affero General Public License, version 3,
 * as published by the Free Software Foundation.
 *
 * 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, version 3,
 * along with this program.  If not, see <http://www.gnu.org/licenses/>
 *
 */
namespace OCA\DAV;

use OCA\DAV\CalDAV\BirthdayService;
use OCA\DAV\CalDAV\CalDavBackend;
use OCA\DAV\CardDAV\CardDavBackend;
use OCA\DAV\CardDAV\SyncService;
use OCP\IL10N;
use OCP\IUser;
use OCP\IUserManager;
use OCP\Util;
use OC\Files\View;

class HookManager {

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

	/** @var SyncService */
	private $syncService;

	/** @var IUser[] */
	private $usersToDelete;

	/** @var CalDavBackend */
	private $calDav;

	/** @var CardDavBackend */
	private $cardDav;

	/** @var IL10N */
	private $l10n;

	/** @var array */
	private $calendarsToDelete;

	/** @var array */
	private $addressBooksToDelete;

	public function __construct(IUserManager $userManager,
								SyncService $syncService,
								CalDavBackend $calDav,
								CardDavBackend $cardDav,
								IL10N $l10n) {
		$this->userManager = $userManager;
		$this->syncService = $syncService;
		$this->calDav = $calDav;
		$this->cardDav = $cardDav;
		$this->l10n = $l10n;
	}

	public function setup() {
		Util::connectHook('OC_User',
			'post_createUser',
			$this,
			'postCreateUser');
		Util::connectHook('OC_User',
			'pre_deleteUser',
			$this,
			'preDeleteUser');
		Util::connectHook('OC_User',
			'post_deleteUser',
			$this,
			'postDeleteUser');
		Util::connectHook('OC_User',
			'changeUser',
			$this,
			'changeUser');

		Util::connectHook('OC_Filesystem',
			'post_copy',
			$this,
			'copyZsyncMetadata');
		Util::connectHook('OC_Filesystem',
			'write',
			$this,
			'deleteZsyncMetadata');
		Util::connectHook('OC_Filesystem',
			'delete',
			$this,
			'deleteZsyncMetadata');
		Util::connectHook('\OCP\Versions',
			'rollback',
			$this,
			'deleteZsyncMetadata');
	}

	public function postCreateUser($params) {
		$user = $this->userManager->get($params['uid']);
		$this->syncService->updateUser($user);
/** @return stdClass|null */
function mayReturnNull() { }

function doesNotAcceptNull(stdClass $x) { }

// With potential error.
function withoutCheck() {
    $x = mayReturnNull();
    doesNotAcceptNull($x); // Potential error here.
}

// Safe - Alternative 1
function withCheck1() {
    $x = mayReturnNull();
    if ( ! $x instanceof stdClass) {
        throw new \LogicException('$x must be defined.');
    }
    doesNotAcceptNull($x);
}

// Safe - Alternative 2
function withCheck2() {
    $x = mayReturnNull();
    if ($x instanceof stdClass) {
        doesNotAcceptNull($x);
    }
}
	}

	public function preDeleteUser($params) {
		$uid = $params['uid'];
		$this->usersToDelete[$uid] = $this->userManager->get($uid);
		$this->calendarsToDelete = $this->calDav->getUsersOwnCalendars('principals/users/' . $uid);
		$this->addressBooksToDelete = $this->cardDav->getUsersOwnAddressBooks('principals/users/' . $uid);
	}

	public function postDeleteUser($params) {
		$uid = $params['uid'];
		if (isset($this->usersToDelete[$uid])) {
			$this->syncService->deleteUser($this->usersToDelete[$uid]);
		}

		foreach ($this->calendarsToDelete as $calendar) {
			$this->calDav->deleteCalendar($calendar['id']);
		}
		$this->calDav->deleteAllSharesForUser('principals/users/' . $uid);

		foreach ($this->addressBooksToDelete as $addressBook) {
			$this->cardDav->deleteAddressBook($addressBook['id']);
		}
	}

	public function changeUser($params) {
		$user = $params['user'];
		$this->syncService->updateUser($user);
	}

	public function firstLogin(IUser $user = null) {
		if ($user !== null) {
			$principal = 'principals/users/' . $user->getUID();
			$calendars = $this->calDav->getCalendarsForUser($principal);
			if (empty($calendars) || (\count($calendars) === 1 && $calendars[0]['uri'] === BirthdayService::BIRTHDAY_CALENDAR_URI)) {
				try {
					$this->calDav->createCalendar($principal, 'personal', [
						'{DAV:}displayname' => $this->l10n->t('Personal'),
						'{http://apple.com/ns/ical/}calendar-color' => '#1d2d44']);
				} catch (\Exception $ex) {
					\OC::$server->getLogger()->logException($ex);
				}
			}
			$books = $this->cardDav->getAddressBooksForUser($principal);
			if (empty($books)) {
				try {
					$this->cardDav->createAddressBook($principal, 'contacts', [
						'{DAV:}displayname' => $this->l10n->t('Contacts')]);
				} catch (\Exception $ex) {
					\OC::$server->getLogger()->logException($ex);
				}
			}
		}
	}

	public function deleteZsyncMetadata($params) {
		if (\OC::$server->getUserSession() === null || \OC::$server->getUserSession()->getUser() === null) {

			return;
		}
		$view = new View('/' . \OC::$server->getUserSession()->getUser()->getUID());
		$path = $params[\OC\Files\Filesystem::signal_param_path];
		$path = 'files/' . \ltrim($path, '/');

		/* if a file then just delete zsync metadata for file */
		if ($view->is_file($path)) {
			$info = $view->getFileInfo($path);
			if ($view->file_exists('files_zsync/'.$info->getId())) {
				$view->unlink('files_zsync/'.$info->getId());
			}
		} elseif ($view->is_dir($path)) {
			/* if a folder then iteratively delete all zsync metadata for all files in folder, including subdirs */
			$array[] = $path;
foreach ($collection as $item) {
    $myArray['foo'] = $item->getFoo();

    if ($item->hasBar()) {
        $myArray['bar'] = $item->getBar();
    }

    // do something with $myArray
}
			while (\count($array)) {
				$current = \array_pop($array);
				$handle = $view->opendir($current);
				while (($entry = \readdir($handle)) !== false) {
					if ($entry[0]!='.' and $view->is_dir($current.'/'.$entry)) {
						$array[] = $current.'/'.$entry;
					} elseif ($view->is_file($current.'/'.$entry)) {
						$info = $view->getFileInfo($current.'/'.$entry);
						if ($view->file_exists('files_zsync/'.$info->getId())) {
							$view->unlink('files_zsync/'.$info->getId());
						}
					}
				}
			}
		}
	}

	public function copyZsyncMetadata($params) {
		if (\OC::$server->getUserSession() === null || \OC::$server->getUserSession()->getUser() === null) {

			return;
		}
		$view = new View('/' . \OC::$server->getUserSession()->getUser()->getUID());
		$from = $params[\OC\Files\Filesystem::signal_param_oldpath];
		$from = 'files/' . \ltrim($from, '/');
		$to = $params[\OC\Files\Filesystem::signal_param_newpath];
		$to = 'files/' . \ltrim($to, '/');

		/* if a file then just copy zsync metadata for file */
		if ($view->is_file($from)) {
			$info_from = $view->getFileInfo($from);
			$info_to = $view->getFileInfo($to);
			if ($view->file_exists('files_zsync/'.$info_from->getId())) {

				$view->copy('files_zsync/'.$info_from->getId(), 'files_zsync/'.$info_to->getId());
			}
		} elseif ($view->is_dir($from)) {
			/* if a folder then iteratively copy all zsync metadata for all files in folder, including subdirs */
			$array[] = [$from, $to];
foreach ($collection as $item) {
    $myArray['foo'] = $item->getFoo();

    if ($item->hasBar()) {
        $myArray['bar'] = $item->getBar();
    }

    // do something with $myArray
}
			while (\count($array)) {
				list($from_current, $to_current) = \array_pop($array);
				$handle = $view->opendir($from_current);
				while (($entry = \readdir($handle)) !== false) {
					if ($entry[0]!='.' and $view->is_dir($from_current.'/'.$entry)) {
						$array[] = [$from_current.'/'.$entry, $to_current.'/'.$entry];
					} elseif ($view->is_file($from_current.'/'.$entry)) {
						$info_from = $view->getFileInfo($from_current.'/'.$entry);
						$info_to = $view->getFileInfo($to_current.'/'.$entry);
						if ($view->file_exists('files_zsync/'.$info_from->getId())) {

							$view->copy('files_zsync/'.$info_from->getId(), 'files_zsync/'.$info_to->getId());
						}
					}
				}
			}
		}
	}
}


1		<?php
2		/**
3		* @author Thomas Citharel <[email protected]>
4		* @author Thomas Müller <[email protected]>
5		*
6		* @copyright Copyright (c) 2018, ownCloud GmbH
7		* @license AGPL-3.0
8		*
9		* This code is free software: you can redistribute it and/or modify
10		* it under the terms of the GNU Affero General Public License, version 3,
11		* as published by the Free Software Foundation.
12		*
13		* This program is distributed in the hope that it will be useful,
14		* but WITHOUT ANY WARRANTY; without even the implied warranty of
15		* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16		* GNU Affero General Public License for more details.
17		*
18		* You should have received a copy of the GNU Affero General Public License, version 3,
19		* along with this program. If not, see <http://www.gnu.org/licenses/>
20		*
21		*/
22		namespace OCA\DAV;
23
24		use OCA\DAV\CalDAV\BirthdayService;
25		use OCA\DAV\CalDAV\CalDavBackend;
26		use OCA\DAV\CardDAV\CardDavBackend;
27		use OCA\DAV\CardDAV\SyncService;
28		use OCP\IL10N;
29		use OCP\IUser;
30		use OCP\IUserManager;
31		use OCP\Util;
32		use OC\Files\View;
33
34		class HookManager {
35
36		/** @var IUserManager */
37		private $userManager;
38
39		/** @var SyncService */
40		private $syncService;
41
42		/** @var IUser[] */
43		private $usersToDelete;
44
45		/** @var CalDavBackend */
46		private $calDav;
47
48		/** @var CardDavBackend */
49		private $cardDav;
50
51		/** @var IL10N */
52		private $l10n;
53
54		/** @var array */
55		private $calendarsToDelete;
56
57		/** @var array */
58		private $addressBooksToDelete;
59
60		public function __construct(IUserManager $userManager,
61		SyncService $syncService,
62		CalDavBackend $calDav,
63		CardDavBackend $cardDav,
64		IL10N $l10n) {
65		$this->userManager = $userManager;
66		$this->syncService = $syncService;
67		$this->calDav = $calDav;
68		$this->cardDav = $cardDav;
69		$this->l10n = $l10n;
70		}
71
72		public function setup() {
73		Util::connectHook('OC_User',
74		'post_createUser',
75		$this,
76		'postCreateUser');
77		Util::connectHook('OC_User',
78		'pre_deleteUser',
79		$this,
80		'preDeleteUser');
81		Util::connectHook('OC_User',
82		'post_deleteUser',
83		$this,
84		'postDeleteUser');
85		Util::connectHook('OC_User',
86		'changeUser',
87		$this,
88		'changeUser');
89
90		Util::connectHook('OC_Filesystem',
91		'post_copy',
92		$this,
93		'copyZsyncMetadata');
94		Util::connectHook('OC_Filesystem',
95		'write',
96		$this,
97		'deleteZsyncMetadata');
98		Util::connectHook('OC_Filesystem',
99		'delete',
100		$this,
101		'deleteZsyncMetadata');
102		Util::connectHook('\OCP\Versions',
103		'rollback',
104		$this,
105		'deleteZsyncMetadata');
106		}
107
108		public function postCreateUser($params) {
109		$user = $this->userManager->get($params['uid']);
110		$this->syncService->updateUser($user);
		0 ignored issues – show Bug introduced 2016-02-05 08:40 UTC by Report Bug Copy Issue Report It seems like `$user` defined by `$this->userManager->get($params['uid'])` on line `109` can be `null`; however, `OCA\DAV\CardDAV\SyncService::updateUser()` does not accept `null`, maybe add an additional type check? Unless you are absolutely sure that the expression can never be null because of other conditions, we strongly recommend to add an additional type check to your code: /** @return stdClass\|null */ function mayReturnNull() { } function doesNotAcceptNull(stdClass $x) { } // With potential error. function withoutCheck() { $x = mayReturnNull(); doesNotAcceptNull($x); // Potential error here. } // Safe - Alternative 1 function withCheck1() { $x = mayReturnNull(); if ( ! $x instanceof stdClass) { throw new \LogicException('$x must be defined.'); } doesNotAcceptNull($x); } // Safe - Alternative 2 function withCheck2() { $x = mayReturnNull(); if ($x instanceof stdClass) { doesNotAcceptNull($x); } } Loading history...
111		}
112
113		public function preDeleteUser($params) {
114		$uid = $params['uid'];
115		$this->usersToDelete[$uid] = $this->userManager->get($uid);
116		$this->calendarsToDelete = $this->calDav->getUsersOwnCalendars('principals/users/' . $uid);
117		$this->addressBooksToDelete = $this->cardDav->getUsersOwnAddressBooks('principals/users/' . $uid);
118		}
119
120		public function postDeleteUser($params) {
121		$uid = $params['uid'];
122		if (isset($this->usersToDelete[$uid])) {
123		$this->syncService->deleteUser($this->usersToDelete[$uid]);
124		}
125
126		foreach ($this->calendarsToDelete as $calendar) {
127		$this->calDav->deleteCalendar($calendar['id']);
128		}
129		$this->calDav->deleteAllSharesForUser('principals/users/' . $uid);
130
131		foreach ($this->addressBooksToDelete as $addressBook) {
132		$this->cardDav->deleteAddressBook($addressBook['id']);
133		}
134		}
135
136		public function changeUser($params) {
137		$user = $params['user'];
138		$this->syncService->updateUser($user);
139		}
140
141		public function firstLogin(IUser $user = null) {
142		if ($user !== null) {
143		$principal = 'principals/users/' . $user->getUID();
144		$calendars = $this->calDav->getCalendarsForUser($principal);
145		if (empty($calendars) \|\| (\count($calendars) === 1 && $calendars[0]['uri'] === BirthdayService::BIRTHDAY_CALENDAR_URI)) {
146		try {
147		$this->calDav->createCalendar($principal, 'personal', [
148		'{DAV:}displayname' => $this->l10n->t('Personal'),
149		'{http://apple.com/ns/ical/}calendar-color' => '#1d2d44']);
150		} catch (\Exception $ex) {
151		\OC::$server->getLogger()->logException($ex);
152		}
153		}
154		$books = $this->cardDav->getAddressBooksForUser($principal);
155		if (empty($books)) {
156		try {
157		$this->cardDav->createAddressBook($principal, 'contacts', [
158		'{DAV:}displayname' => $this->l10n->t('Contacts')]);
159		} catch (\Exception $ex) {
160		\OC::$server->getLogger()->logException($ex);
161		}
162		}
163		}
164		}
165
166		public function deleteZsyncMetadata($params) {
167	View Code Duplication	if (\OC::$server->getUserSession() === null \|\| \OC::$server->getUserSession()->getUser() === null) {
		0 ignored issues – show Duplication introduced 2018-08-01 12:04 UTC by Report Bug Copy Issue Report This code seems to be duplicated across your project. Duplicated code is one of the most pungent code smells. If you need to duplicate the same code in three or more different places, we strongly encourage you to look into extracting the code into a single class or operation. You can also find more detailed suggestions in the “Code” section of your repository. Loading history...
168		return;
169		}
170		$view = new View('/' . \OC::$server->getUserSession()->getUser()->getUID());
171		$path = $params[\OC\Files\Filesystem::signal_param_path];
172		$path = 'files/' . \ltrim($path, '/');
173
174		/* if a file then just delete zsync metadata for file */
175		if ($view->is_file($path)) {
176		$info = $view->getFileInfo($path);
177		if ($view->file_exists('files_zsync/'.$info->getId())) {
178		$view->unlink('files_zsync/'.$info->getId());
179		}
180		} elseif ($view->is_dir($path)) {
181		/* if a folder then iteratively delete all zsync metadata for all files in folder, including subdirs */
182		$array[] = $path;
		0 ignored issues – show Coding Style Comprehensibility introduced 2018-08-01 12:04 UTC by Report Bug Copy Issue Report `$array` was never initialized. Although not strictly required by PHP, it is generally a good practice to add `$array = array();` before regardless. Adding an explicit array definition is generally preferable to implicit array definition as it guarantees a stable state of the code. Let’s take a look at an example: foreach ($collection as $item) { $myArray['foo'] = $item->getFoo(); if ($item->hasBar()) { $myArray['bar'] = $item->getBar(); } // do something with $myArray } As you can see in this example, the array `$myArray` is initialized the first time when the foreach loop is entered. You can also see that the value of the `bar` key is only written conditionally; thus, its value might result from a previous iteration. This might or might not be intended. To make your intention clear, your code more readible and to avoid accidental bugs, we recommend to add an explicit initialization `$myArray = array()` either outside or inside the foreach loop. Loading history...
183		while (\count($array)) {
184		$current = \array_pop($array);
185		$handle = $view->opendir($current);
186		while (($entry = \readdir($handle)) !== false) {
187		if ($entry[0]!='.' and $view->is_dir($current.'/'.$entry)) {
188		$array[] = $current.'/'.$entry;
189		} elseif ($view->is_file($current.'/'.$entry)) {
190		$info = $view->getFileInfo($current.'/'.$entry);
191		if ($view->file_exists('files_zsync/'.$info->getId())) {
192		$view->unlink('files_zsync/'.$info->getId());
193		}
194		}
195		}
196		}
197		}
198		}
199
200		public function copyZsyncMetadata($params) {
201	View Code Duplication	if (\OC::$server->getUserSession() === null \|\| \OC::$server->getUserSession()->getUser() === null) {
		0 ignored issues – show Duplication introduced 2018-08-01 12:04 UTC by Report Bug Copy Issue Report This code seems to be duplicated across your project. Duplicated code is one of the most pungent code smells. If you need to duplicate the same code in three or more different places, we strongly encourage you to look into extracting the code into a single class or operation. You can also find more detailed suggestions in the “Code” section of your repository. Loading history...
202		return;
203		}
204		$view = new View('/' . \OC::$server->getUserSession()->getUser()->getUID());
205		$from = $params[\OC\Files\Filesystem::signal_param_oldpath];
206		$from = 'files/' . \ltrim($from, '/');
207		$to = $params[\OC\Files\Filesystem::signal_param_newpath];
208		$to = 'files/' . \ltrim($to, '/');
209
210		/* if a file then just copy zsync metadata for file */
211		if ($view->is_file($from)) {
212		$info_from = $view->getFileInfo($from);
213		$info_to = $view->getFileInfo($to);
214	View Code Duplication	if ($view->file_exists('files_zsync/'.$info_from->getId())) {
		0 ignored issues – show Duplication introduced 2018-08-01 12:04 UTC by Report Bug Copy Issue Report This code seems to be duplicated across your project. Duplicated code is one of the most pungent code smells. If you need to duplicate the same code in three or more different places, we strongly encourage you to look into extracting the code into a single class or operation. You can also find more detailed suggestions in the “Code” section of your repository. Loading history...
215		$view->copy('files_zsync/'.$info_from->getId(), 'files_zsync/'.$info_to->getId());
216		}
217		} elseif ($view->is_dir($from)) {
218		/* if a folder then iteratively copy all zsync metadata for all files in folder, including subdirs */
219		$array[] = [$from, $to];
		0 ignored issues – show Coding Style Comprehensibility introduced 2018-08-01 12:04 UTC by Report Bug Copy Issue Report `$array` was never initialized. Although not strictly required by PHP, it is generally a good practice to add `$array = array();` before regardless. Adding an explicit array definition is generally preferable to implicit array definition as it guarantees a stable state of the code. Let’s take a look at an example: foreach ($collection as $item) { $myArray['foo'] = $item->getFoo(); if ($item->hasBar()) { $myArray['bar'] = $item->getBar(); } // do something with $myArray } As you can see in this example, the array `$myArray` is initialized the first time when the foreach loop is entered. You can also see that the value of the `bar` key is only written conditionally; thus, its value might result from a previous iteration. This might or might not be intended. To make your intention clear, your code more readible and to avoid accidental bugs, we recommend to add an explicit initialization `$myArray = array()` either outside or inside the foreach loop. Loading history...
220		while (\count($array)) {
221		list($from_current, $to_current) = \array_pop($array);
222		$handle = $view->opendir($from_current);
223		while (($entry = \readdir($handle)) !== false) {
224		if ($entry[0]!='.' and $view->is_dir($from_current.'/'.$entry)) {
225		$array[] = [$from_current.'/'.$entry, $to_current.'/'.$entry];
226		} elseif ($view->is_file($from_current.'/'.$entry)) {
227		$info_from = $view->getFileInfo($from_current.'/'.$entry);
228		$info_to = $view->getFileInfo($to_current.'/'.$entry);
229	View Code Duplication	if ($view->file_exists('files_zsync/'.$info_from->getId())) {
		0 ignored issues – show Duplication introduced 2018-08-01 12:04 UTC by Report Bug Copy Issue Report This code seems to be duplicated across your project. Duplicated code is one of the most pungent code smells. If you need to duplicate the same code in three or more different places, we strongly encourage you to look into extracting the code into a single class or operation. You can also find more detailed suggestions in the “Code” section of your repository. Loading history...
230		$view->copy('files_zsync/'.$info_from->getId(), 'files_zsync/'.$info_to->getId());
231		}
232		}
233		}
234		}
235		}
236		}
237		}
238

owncloud / core

Pull Request — master (#32155)

HookManager::deleteZsyncMetadata() C

Complexity

Size

Duplication

Importance

How to fix Complexity

Long Method

Duplication Side-by-Side

Filter issues like