add share by mail share provider

Signed-off-by: Bjoern Schiessle <bjoern@schiessle.org>
This commit is contained in:
Bjoern Schiessle 2016-07-29 15:38:31 +02:00
parent 0a6f02801f
commit a17c6a485d
No known key found for this signature in database
GPG Key ID: 2378A753E2BF04F6
7 changed files with 685 additions and 7 deletions

1
.gitignore vendored
View File

@ -16,6 +16,7 @@
!/apps/files
!/apps/federation
!/apps/federatedfilesharing
!/apps/sharebymail
!/apps/encryption
!/apps/files_external
!/apps/files_sharing

View File

@ -188,6 +188,10 @@ class ShareAPIController extends OCSController {
$result['share_with'] = $share->getSharedWith();
$result['share_with_displayname'] = $share->getSharedWith();
$result['token'] = $share->getToken();
} else if ($share->getShareType() === \OCP\Share::SHARE_TYPE_EMAIL) {
$result['share_with'] = $share->getSharedWith();
$result['share_with_displayname'] = $share->getSharedWith();
$result['token'] = $share->getToken();
}
$result['mail_send'] = $share->getMailSend() ? 1 : 0;
@ -400,6 +404,9 @@ class ShareAPIController extends OCSController {
$share->setSharedWith($shareWith);
$share->setPermissions($permissions);
} else if ($shareType === \OCP\Share::SHARE_TYPE_EMAIL) {
$share->setPermissions(\OCP\Constants::PERMISSION_READ);
$share->setSharedWith($shareWith);
} else {
throw new OCSBadRequestException($this->l->t('Unknown share type'));
}
@ -466,6 +473,7 @@ class ShareAPIController extends OCSController {
$shares = array_merge($shares, $this->shareManager->getSharesBy($this->currentUser, \OCP\Share::SHARE_TYPE_USER, $node, false, -1, 0));
$shares = array_merge($shares, $this->shareManager->getSharesBy($this->currentUser, \OCP\Share::SHARE_TYPE_GROUP, $node, false, -1, 0));
$shares = array_merge($shares, $this->shareManager->getSharesBy($this->currentUser, \OCP\Share::SHARE_TYPE_LINK, $node, false, -1, 0));
$shares = array_merge($shares, $this->shareManager->getSharesBy($this->currentUser, \OCP\Share::SHARE_TYPE_EMAIL, $node, false, -1, 0));
if ($this->shareManager->outgoingServer2ServerSharesAllowed()) {
$shares = array_merge($shares, $this->shareManager->getSharesBy($this->currentUser, \OCP\Share::SHARE_TYPE_REMOTE, $node, false, -1, 0));
}
@ -541,7 +549,8 @@ class ShareAPIController extends OCSController {
$userShares = $this->shareManager->getSharesBy($this->currentUser, \OCP\Share::SHARE_TYPE_USER, $path, $reshares, -1, 0);
$groupShares = $this->shareManager->getSharesBy($this->currentUser, \OCP\Share::SHARE_TYPE_GROUP, $path, $reshares, -1, 0);
$linkShares = $this->shareManager->getSharesBy($this->currentUser, \OCP\Share::SHARE_TYPE_LINK, $path, $reshares, -1, 0);
$shares = array_merge($userShares, $groupShares, $linkShares);
$mailShares = $this->shareManager->getSharesBy($this->currentUser, \OCP\Share::SHARE_TYPE_EMAIL, $path, $reshares, -1, 0);
$shares = array_merge($userShares, $groupShares, $linkShares, $mailShares);
if ($this->shareManager->outgoingServer2ServerSharesAllowed()) {
$federatedShares = $this->shareManager->getSharesBy($this->currentUser, \OCP\Share::SHARE_TYPE_REMOTE, $path, $reshares, -1, 0);
@ -774,6 +783,14 @@ class ShareAPIController extends OCSController {
// First check if it is an internal share.
try {
$share = $this->shareManager->getShareById('ocinternal:' . $id);
return $share;
} catch (ShareNotFound $e) {
// Do nothing, just try the other share type
}
try {
$share = $this->shareManager->getShareById('ocMailShare:' . $id);
return $share;
} catch (ShareNotFound $e) {
if (!$this->shareManager->outgoingServer2ServerSharesAllowed()) {
throw new ShareNotFound();

View File

@ -0,0 +1,14 @@
<?xml version="1.0"?>
<info>
<id>sharebymail</id>
<name>Share by mail</name>
<description>Share provider which allows you to share files by mail</description>
<licence>AGPL</licence>
<author>Bjoern Schiessle</author>
<version>1.0.0</version>
<namespace>ShareByMail</namespace>
<category>other</category>
<dependencies>
<owncloud min-version="9.2" max-version="9.2" />
</dependencies>
</info>

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@ -0,0 +1,594 @@
<?php
/**
* @copyright Copyright (c) 2016 Bjoern Schiessle <bjoern@schiessle.org>
*
* @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\ShareByMail;
use OCP\Files\IRootFolder;
use OCP\Files\Node;
use OCP\IDBConnection;
use OCP\IL10N;
use OCP\ILogger;
use OCP\IUserManager;
use OCP\Security\ISecureRandom;
use OC\Share20\Share;
use OCP\Share\IShare;
use OCP\Share\IShareProvider;
/**
* Class ShareByMail
*
* @package OCA\ShareByMail
*/
class ShareByMailProvider implements IShareProvider {
/** @var IDBConnection */
private $dbConnection;
/** @var ILogger */
private $logger;
/** @var ISecureRandom */
private $secureRandom;
/** @var IUserManager */
private $userManager;
/** @var IRootFolder */
private $rootFolder;
/** @var IL10N */
private $l;
/**
* Return the identifier of this provider.
*
* @return string Containing only [a-zA-Z0-9]
*/
public function identifier() {
return 'ocShareByMail';
}
/**
* DefaultShareProvider constructor.
*
* @param IDBConnection $connection
* @param ISecureRandom $secureRandom
* @param IUserManager $userManager
* @param IRootFolder $rootFolder
* @param IL10N $l
* @param ILogger $logger
*/
public function __construct(
IDBConnection $connection,
ISecureRandom $secureRandom,
IUserManager $userManager,
IRootFolder $rootFolder,
IL10N $l,
ILogger $logger
) {
$this->dbConnection = $connection;
$this->secureRandom = $secureRandom;
$this->userManager = $userManager;
$this->rootFolder = $rootFolder;
$this->l = $l;
$this->logger = $logger;
}
/**
* Share a path
*
* @param IShare $share
* @return IShare The share object
* @throws ShareNotFound
* @throws \Exception
*/
public function create(IShare $share) {
$shareWith = $share->getSharedWith();
/*
* Check if file is not already shared with the remote user
*/
$alreadyShared = $this->getSharedWith($shareWith, \OCP\Share::SHARE_TYPE_EMAIL, $share->getNode(), 1, 0);
if (!empty($alreadyShared)) {
$message = 'Sharing %s failed, this item is already shared with %s';
$message_t = $this->l->t('Sharing %s failed, this item is already shared with %s', array($share->getNode()->getName(), $shareWith));
$this->logger->debug(sprintf($message, $share->getNode()->getName(), $shareWith), ['app' => 'Federated File Sharing']);
throw new \Exception($message_t);
}
$shareId = $this->createMailShare($share);
$data = $this->getRawShare($shareId);
return $this->createShareObject($data);
}
/**
* @param IShare $share
* @return int
* @throws \Exception
*/
private function createMailShare(IShare $share) {
$token = $this->generateToken();
$shareId = $this->addShareToDB(
$share->getNodeId(),
$share->getNodeType(),
$share->getSharedWith(),
$share->getSharedBy(),
$share->getShareOwner(),
$share->getPermissions(),
$token
);
try {
// TODO: Send email with public link
} catch (\Exception $e) {
$this->logger->error('Failed to notify remote server of federated share, removing share (' . $e->getMessage() . ')');
$this->removeShareFromTable($shareId);
throw $e;
}
return $shareId;
}
/**
* generate share token
*
* @return string
*/
public function generateToken() {
$token = $this->secureRandom->generate(
15, ISecureRandom::CHAR_LOWER . ISecureRandom::CHAR_UPPER . ISecureRandom::CHAR_DIGITS);
return $token;
}
/**
* Get all children of this share
*
* @param IShare $parent
* @return IShare[]
*/
public function getChildren(IShare $parent) {
$children = [];
$qb = $this->dbConnection->getQueryBuilder();
$qb->select('*')
->from('share')
->where($qb->expr()->eq('parent', $qb->createNamedParameter($parent->getId())))
->andWhere($qb->expr()->eq('share_type', $qb->createNamedParameter(\OCP\Share::SHARE_TYPE_EMAIL)))
->orderBy('id');
$cursor = $qb->execute();
while($data = $cursor->fetch()) {
$children[] = $this->createShareObject($data);
}
$cursor->closeCursor();
return $children;
}
/**
* add share to the database and return the ID
*
* @param int $itemSource
* @param string $itemType
* @param string $shareWith
* @param string $sharedBy
* @param string $uidOwner
* @param int $permissions
* @param string $token
* @return int
*/
private function addShareToDB($itemSource, $itemType, $shareWith, $sharedBy, $uidOwner, $permissions, $token) {
$qb = $this->dbConnection->getQueryBuilder();
$qb->insert('share')
->setValue('share_type', $qb->createNamedParameter(\OCP\Share::SHARE_TYPE_EMAIL))
->setValue('item_type', $qb->createNamedParameter($itemType))
->setValue('item_source', $qb->createNamedParameter($itemSource))
->setValue('file_source', $qb->createNamedParameter($itemSource))
->setValue('share_with', $qb->createNamedParameter($shareWith))
->setValue('uid_owner', $qb->createNamedParameter($uidOwner))
->setValue('uid_initiator', $qb->createNamedParameter($sharedBy))
->setValue('permissions', $qb->createNamedParameter($permissions))
->setValue('token', $qb->createNamedParameter($token))
->setValue('stime', $qb->createNamedParameter(time()));
/*
* Added to fix https://github.com/owncloud/core/issues/22215
* Can be removed once we get rid of ajax/share.php
*/
$qb->setValue('file_target', $qb->createNamedParameter(''));
$qb->execute();
$id = $qb->getLastInsertId();
return (int)$id;
}
/**
* Update a share
*
* @param IShare $share
* @return IShare The share object
*/
public function update(IShare $share) {
/*
* We allow updating the permissions of mail shares
*/
$qb = $this->dbConnection->getQueryBuilder();
$qb->update('share')
->where($qb->expr()->eq('id', $qb->createNamedParameter($share->getId())))
->set('permissions', $qb->createNamedParameter($share->getPermissions()))
->set('uid_owner', $qb->createNamedParameter($share->getShareOwner()))
->set('uid_initiator', $qb->createNamedParameter($share->getSharedBy()))
->execute();
return $share;
}
/**
* @inheritdoc
*/
public function move(IShare $share, $recipient) {
/**
* nothing to do here, mail shares are only outgoing shares
*/
return $share;
}
/**
* Delete a share (owner unShares the file)
*
* @param IShare $share
*/
public function delete(IShare $share) {
$this->removeShareFromTable($share->getId());
}
/**
* @inheritdoc
*/
public function deleteFromSelf(IShare $share, $recipient) {
// nothing to do here, mail shares are only outgoing shares
return;
}
/**
* @inheritdoc
*/
public function getSharesBy($userId, $shareType, $node, $reshares, $limit, $offset) {
$qb = $this->dbConnection->getQueryBuilder();
$qb->select('*')
->from('share');
$qb->andWhere($qb->expr()->eq('share_type', $qb->createNamedParameter(\OCP\Share::SHARE_TYPE_EMAIL)));
/**
* Reshares for this user are shares where they are the owner.
*/
if ($reshares === false) {
//Special case for old shares created via the web UI
$or1 = $qb->expr()->andX(
$qb->expr()->eq('uid_owner', $qb->createNamedParameter($userId)),
$qb->expr()->isNull('uid_initiator')
);
$qb->andWhere(
$qb->expr()->orX(
$qb->expr()->eq('uid_initiator', $qb->createNamedParameter($userId)),
$or1
)
);
} else {
$qb->andWhere(
$qb->expr()->orX(
$qb->expr()->eq('uid_owner', $qb->createNamedParameter($userId)),
$qb->expr()->eq('uid_initiator', $qb->createNamedParameter($userId))
)
);
}
if ($node !== null) {
$qb->andWhere($qb->expr()->eq('file_source', $qb->createNamedParameter($node->getId())));
}
if ($limit !== -1) {
$qb->setMaxResults($limit);
}
$qb->setFirstResult($offset);
$qb->orderBy('id');
$cursor = $qb->execute();
$shares = [];
while($data = $cursor->fetch()) {
$shares[] = $this->createShareObject($data);
}
$cursor->closeCursor();
return $shares;
}
/**
* @inheritdoc
*/
public function getShareById($id, $recipientId = null) {
$qb = $this->dbConnection->getQueryBuilder();
$qb->select('*')
->from('share')
->where($qb->expr()->eq('id', $qb->createNamedParameter($id)))
->andWhere($qb->expr()->eq('share_type', $qb->createNamedParameter(\OCP\Share::SHARE_TYPE_EMAIL)));
$cursor = $qb->execute();
$data = $cursor->fetch();
$cursor->closeCursor();
if ($data === false) {
throw new ShareNotFound();
}
try {
$share = $this->createShareObject($data);
} catch (InvalidShare $e) {
throw new ShareNotFound();
}
return $share;
}
/**
* Get shares for a given path
*
* @param \OCP\Files\Node $path
* @return IShare[]
*/
public function getSharesByPath(Node $path) {
$qb = $this->dbConnection->getQueryBuilder();
$cursor = $qb->select('*')
->from('share')
->andWhere($qb->expr()->eq('file_source', $qb->createNamedParameter($path->getId())))
->andWhere($qb->expr()->eq('share_type', $qb->createNamedParameter(\OCP\Share::SHARE_TYPE_EMAIL)))
->execute();
$shares = [];
while($data = $cursor->fetch()) {
$shares[] = $this->createShareObject($data);
}
$cursor->closeCursor();
return $shares;
}
/**
* @inheritdoc
*/
public function getSharedWith($userId, $shareType, $node, $limit, $offset) {
/** @var IShare[] $shares */
$shares = [];
//Get shares directly with this user
$qb = $this->dbConnection->getQueryBuilder();
$qb->select('*')
->from('share');
// Order by id
$qb->orderBy('id');
// Set limit and offset
if ($limit !== -1) {
$qb->setMaxResults($limit);
}
$qb->setFirstResult($offset);
$qb->where($qb->expr()->eq('share_type', $qb->createNamedParameter(\OCP\Share::SHARE_TYPE_EMAIL)));
$qb->andWhere($qb->expr()->eq('share_with', $qb->createNamedParameter($userId)));
// Filter by node if provided
if ($node !== null) {
$qb->andWhere($qb->expr()->eq('file_source', $qb->createNamedParameter($node->getId())));
}
$cursor = $qb->execute();
while($data = $cursor->fetch()) {
$shares[] = $this->createShareObject($data);
}
$cursor->closeCursor();
return $shares;
}
/**
* Get a share by token
*
* @param string $token
* @return IShare
* @throws ShareNotFound
*/
public function getShareByToken($token) {
$qb = $this->dbConnection->getQueryBuilder();
$cursor = $qb->select('*')
->from('share')
->where($qb->expr()->eq('share_type', $qb->createNamedParameter(\OCP\Share::SHARE_TYPE_EMAIL)))
->andWhere($qb->expr()->eq('token', $qb->createNamedParameter($token)))
->execute();
$data = $cursor->fetch();
if ($data === false) {
throw new ShareNotFound('Share not found', $this->l->t('Could not find share'));
}
try {
$share = $this->createShareObject($data);
} catch (InvalidShare $e) {
throw new ShareNotFound('Share not found', $this->l->t('Could not find share'));
}
return $share;
}
/**
* remove share from table
*
* @param string $shareId
*/
private function removeShareFromTable($shareId) {
$qb = $this->dbConnection->getQueryBuilder();
$qb->delete('share')
->where($qb->expr()->eq('id', $qb->createNamedParameter($shareId)));
$qb->execute();
}
/**
* Create a share object from an database row
*
* @param array $data
* @return IShare
* @throws InvalidShare
* @throws ShareNotFound
*/
private function createShareObject($data) {
$share = new Share($this->rootFolder, $this->userManager);
$share->setId((int)$data['id'])
->setShareType((int)$data['share_type'])
->setPermissions((int)$data['permissions'])
->setTarget($data['file_target'])
->setMailSend((bool)$data['mail_send'])
->setToken($data['token']);
$shareTime = new \DateTime();
$shareTime->setTimestamp((int)$data['stime']);
$share->setShareTime($shareTime);
$share->setSharedWith($data['share_with']);
if ($data['uid_initiator'] !== null) {
$share->setShareOwner($data['uid_owner']);
$share->setSharedBy($data['uid_initiator']);
} else {
//OLD SHARE
$share->setSharedBy($data['uid_owner']);
$path = $this->getNode($share->getSharedBy(), (int)$data['file_source']);
$owner = $path->getOwner();
$share->setShareOwner($owner->getUID());
}
$share->setNodeId((int)$data['file_source']);
$share->setNodeType($data['item_type']);
$share->setProviderId($this->identifier());
return $share;
}
/**
* Get the node with file $id for $user
*
* @param string $userId
* @param int $id
* @return \OCP\Files\File|\OCP\Files\Folder
* @throws InvalidShare
*/
private function getNode($userId, $id) {
try {
$userFolder = $this->rootFolder->getUserFolder($userId);
} catch (NotFoundException $e) {
throw new InvalidShare();
}
$nodes = $userFolder->getById($id);
if (empty($nodes)) {
throw new InvalidShare();
}
return $nodes[0];
}
/**
* A user is deleted from the system
* So clean up the relevant shares.
*
* @param string $uid
* @param int $shareType
*/
public function userDeleted($uid, $shareType) {
$qb = $this->dbConnection->getQueryBuilder();
$qb->delete('share')
->where($qb->expr()->eq('share_type', $qb->createNamedParameter(Share::SHARE_TYPE_REMOTE)))
->andWhere($qb->expr()->eq('uid_owner', $qb->createNamedParameter($uid)))
->execute();
}
/**
* This provider does not support group shares
*
* @param string $gid
*/
public function groupDeleted($gid) {
return;
}
/**
* This provider does not support group shares
*
* @param string $uid
* @param string $gid
*/
public function userDeletedFromGroup($uid, $gid) {
return;
}
/**
* get database row of a give share
*
* @param $id
* @return array
* @throws ShareNotFound
*/
private function getRawShare($id) {
// Now fetch the inserted share and create a complete share object
$qb = $this->dbConnection->getQueryBuilder();
$qb->select('*')
->from('share')
->where($qb->expr()->eq('id', $qb->createNamedParameter($id)));
$cursor = $qb->execute();
$data = $cursor->fetch();
$cursor->closeCursor();
if ($data === false) {
throw new ShareNotFound;
}
return $data;
}
}

View File

@ -185,6 +185,10 @@ class Manager implements IManager {
if ($share->getSharedWith() === null) {
throw new \InvalidArgumentException('SharedWith should not be empty');
}
} else if ($share->getShareType() === \OCP\Share::SHARE_TYPE_EMAIL) {
if ($share->getSharedWith() === null) {
throw new \InvalidArgumentException('SharedWith should not be empty');
}
} else {
// We can't handle other types yet
throw new \InvalidArgumentException('unkown share type');
@ -580,6 +584,16 @@ class Manager implements IManager {
if ($share->getPassword() !== null) {
$share->setPassword($this->hasher->hash($share->getPassword()));
}
} else if ($share->getShareType() === \OCP\Share::SHARE_TYPE_EMAIL) {
$this->linkCreateChecks($share);
$share->setToken(
$this->secureRandom->generate(
\OC\Share\Constants::TOKEN_LENGTH,
\OCP\Security\ISecureRandom::CHAR_LOWER.
\OCP\Security\ISecureRandom::CHAR_UPPER.
\OCP\Security\ISecureRandom::CHAR_DIGITS
)
);
}
// Cannot share with the owner

View File

@ -28,6 +28,7 @@ use OCA\FederatedFileSharing\DiscoveryManager;
use OCA\FederatedFileSharing\FederatedShareProvider;
use OCA\FederatedFileSharing\Notifications;
use OCA\FederatedFileSharing\TokenHandler;
use OCA\ShareByMail\ShareByMailProvider;
use OCP\Share\IProviderFactory;
use OC\Share20\Exception\ProviderException;
use OCP\IServerContainer;
@ -45,6 +46,8 @@ class ProviderFactory implements IProviderFactory {
private $defaultProvider = null;
/** @var FederatedShareProvider */
private $federatedProvider = null;
/** @var ShareByMailProvider */
private $shareByMailProvider;
/**
* IProviderFactory constructor.
@ -125,6 +128,37 @@ class ProviderFactory implements IProviderFactory {
return $this->federatedProvider;
}
/**
* Create the federated share provider
*
* @return FederatedShareProvider
*/
protected function getShareByMailProvider() {
if ($this->shareByMailProvider === null) {
/*
* Check if the app is enabled
*/
$appManager = $this->serverContainer->getAppManager();
if (!$appManager->isEnabledForUser('sharebymail')) {
return null;
}
$l = $this->serverContainer->getL10N('sharebymail');
$this->shareByMailProvider = new ShareByMailProvider(
$this->serverContainer->getDatabaseConnection(),
$this->serverContainer->getSecureRandom(),
$this->serverContainer->getUserManager(),
$this->serverContainer->getLazyRootFolder(),
$l,
$this->serverContainer->getLogger()
);
}
return $this->shareByMailProvider;
}
/**
* @inheritdoc
*/
@ -134,6 +168,8 @@ class ProviderFactory implements IProviderFactory {
$provider = $this->defaultShareProvider();
} else if ($id === 'ocFederatedSharing') {
$provider = $this->federatedShareProvider();
} else if ($id = 'ocMailShare') {
$provider = $this->getShareByMailProvider();
}
if ($provider === null) {
@ -155,6 +191,8 @@ class ProviderFactory implements IProviderFactory {
$provider = $this->defaultShareProvider();
} else if ($shareType === \OCP\Share::SHARE_TYPE_REMOTE) {
$provider = $this->federatedShareProvider();
} else if ($shareType === \OCP\Share::SHARE_TYPE_EMAIL) {
$provider = $this->getShareByMailProvider();
}
if ($provider === null) {