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< ? php
/**
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* @ copyright Copyright ( c ) 2016 , ownCloud , Inc .
*
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* @ author Arthur Schiwon < blizzz @ arthur - schiwon . de >
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* @ author Bjoern Schiessle < bjoern @ schiessle . org >
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* @ author Björn Schießle < bjoern @ schiessle . org >
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* @ author Georg Ehrke < oc . list @ georgehrke . com >
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* @ author Joas Schilling < coding @ schilljs . com >
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* @ author Jonas Sulzer < jonas @ violoncello . ch >
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* @ author Lukas Reschke < lukas @ statuscode . ch >
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* @ author Maxence Lange < maxence @ pontapreta . net >
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* @ author Morris Jobke < hey @ morrisjobke . de >
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* @ author Piotr Filiciak < piotr @ filiciak . pl >
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* @ author Robin Appelman < robin @ icewind . nl >
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* @ author Roeland Jago Douma < roeland @ famdouma . nl >
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* @ author Sascha Sambale < mastixmc @ gmail . com >
* @ author Thomas Müller < thomas . mueller @ tmit . eu >
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* @ author Vincent Petry < pvince81 @ owncloud . com >
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*
* @ 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 />
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*
*/
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namespace OCA\Files_Sharing\Controller ;
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use OC\Security\CSP\ContentSecurityPolicy ;
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use OC_Files ;
use OC_Util ;
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use OCA\FederatedFileSharing\FederatedShareProvider ;
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use OCP\AppFramework\AuthPublicShareController ;
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use OCP\AppFramework\Http\Template\SimpleMenuAction ;
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use OCP\AppFramework\Http\Template\ExternalShareMenuAction ;
use OCP\AppFramework\Http\Template\LinkMenuAction ;
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use OCP\AppFramework\Http\Template\PublicTemplateResponse ;
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use OCP\Defaults ;
use OCP\IL10N ;
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use OCP\Template ;
use OCP\Share ;
use OCP\IRequest ;
use OCP\AppFramework\Http\TemplateResponse ;
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use OCP\AppFramework\Http\NotFoundResponse ;
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use OCP\IURLGenerator ;
use OCP\IConfig ;
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use OCP\ILogger ;
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use OCP\IUserManager ;
use OCP\ISession ;
use OCP\IPreview ;
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use OCA\Files_Sharing\Activity\Providers\Downloads ;
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use OCP\Files\NotFoundException ;
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use OCP\Files\IRootFolder ;
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use OCP\Share\Exceptions\ShareNotFound ;
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use Symfony\Component\EventDispatcher\EventDispatcherInterface ;
Add event to load additional scripts in the auth page for public shares
Before the public share authentication page is rendered now an event to
load additional scripts is dispatched. Thanks to this any app can load
its own scripts that, when run on the browser, adjust as needed the page
generated by the server.
Note, however, that during the handling of the event apps are only able
to add scripts or styles to be loaded; they can not render arbitrary
content on the page, or change how the content is rendered by the
original template; all those changes have to be done by the scripts at
run-time.
This implies that the scripts of the apps can use only those parameters,
like the token of the share, added to the page when it is generated by
the "publicshareauth" template. Due to this, and given that the event is
being introduced to be used by Talk to inject the UI needed to request
the password for a share, the token of the share is now provided in the
generated page, just like done in the public share page.
Signed-off-by: Daniel Calviño Sánchez <danxuliu@gmail.com>
2018-07-12 15:52:36 +03:00
use Symfony\Component\EventDispatcher\GenericEvent ;
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use OCP\Share\IManager as ShareManager ;
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/**
* Class ShareController
*
* @ package OCA\Files_Sharing\Controllers
*/
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class ShareController extends AuthPublicShareController {
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/** @var IConfig */
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protected $config ;
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/** @var IUserManager */
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protected $userManager ;
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/** @var ILogger */
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protected $logger ;
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/** @var \OCP\Activity\IManager */
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protected $activityManager ;
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/** @var IPreview */
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protected $previewManager ;
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/** @var IRootFolder */
protected $rootFolder ;
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/** @var FederatedShareProvider */
protected $federatedShareProvider ;
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/** @var EventDispatcherInterface */
protected $eventDispatcher ;
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/** @var IL10N */
protected $l10n ;
/** @var Defaults */
protected $defaults ;
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/** @var ShareManager */
protected $shareManager ;
/** @var Share\IShare */
protected $share ;
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/**
* @ param string $appName
* @ param IRequest $request
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* @ param IConfig $config
* @ param IURLGenerator $urlGenerator
* @ param IUserManager $userManager
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* @ param ILogger $logger
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* @ param \OCP\Activity\IManager $activityManager
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* @ param \OCP\Share\IManager $shareManager
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* @ param ISession $session
* @ param IPreview $previewManager
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* @ param IRootFolder $rootFolder
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* @ param FederatedShareProvider $federatedShareProvider
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* @ param EventDispatcherInterface $eventDispatcher
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* @ param IL10N $l10n
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* @ param Defaults $defaults
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*/
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public function __construct ( string $appName ,
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IRequest $request ,
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IConfig $config ,
IURLGenerator $urlGenerator ,
IUserManager $userManager ,
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ILogger $logger ,
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\OCP\Activity\IManager $activityManager ,
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ShareManager $shareManager ,
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ISession $session ,
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IPreview $previewManager ,
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IRootFolder $rootFolder ,
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FederatedShareProvider $federatedShareProvider ,
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EventDispatcherInterface $eventDispatcher ,
IL10N $l10n ,
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Defaults $defaults ) {
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parent :: __construct ( $appName , $request , $session , $urlGenerator );
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$this -> config = $config ;
$this -> userManager = $userManager ;
$this -> logger = $logger ;
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$this -> activityManager = $activityManager ;
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$this -> previewManager = $previewManager ;
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$this -> rootFolder = $rootFolder ;
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$this -> federatedShareProvider = $federatedShareProvider ;
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$this -> eventDispatcher = $eventDispatcher ;
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$this -> l10n = $l10n ;
$this -> defaults = $defaults ;
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$this -> shareManager = $shareManager ;
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}
Add event to load additional scripts in the auth page for public shares
Before the public share authentication page is rendered now an event to
load additional scripts is dispatched. Thanks to this any app can load
its own scripts that, when run on the browser, adjust as needed the page
generated by the server.
Note, however, that during the handling of the event apps are only able
to add scripts or styles to be loaded; they can not render arbitrary
content on the page, or change how the content is rendered by the
original template; all those changes have to be done by the scripts at
run-time.
This implies that the scripts of the apps can use only those parameters,
like the token of the share, added to the page when it is generated by
the "publicshareauth" template. Due to this, and given that the event is
being introduced to be used by Talk to inject the UI needed to request
the password for a share, the token of the share is now provided in the
generated page, just like done in the public share page.
Signed-off-by: Daniel Calviño Sánchez <danxuliu@gmail.com>
2018-07-12 15:52:36 +03:00
/**
* @ PublicPage
* @ NoCSRFRequired
*
* Show the authentication page
* The form has to submit to the authenticate method route
*/
public function showAuthenticate () : TemplateResponse {
$templateParameters = [ 'share' => $this -> share ];
$event = new GenericEvent ( null , $templateParameters );
$this -> eventDispatcher -> dispatch ( 'OCA\Files_Sharing::loadAdditionalScripts::publicShareAuth' , $event );
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$response = new TemplateResponse ( 'core' , 'publicshareauth' , $templateParameters , 'guest' );
if ( $this -> share -> getSendPasswordByTalk ()) {
$csp = new ContentSecurityPolicy ();
$csp -> addAllowedConnectDomain ( '*' );
$csp -> addAllowedMediaDomain ( 'blob:' );
$csp -> allowEvalScript ( true );
$response -> setContentSecurityPolicy ( $csp );
}
return $response ;
Add event to load additional scripts in the auth page for public shares
Before the public share authentication page is rendered now an event to
load additional scripts is dispatched. Thanks to this any app can load
its own scripts that, when run on the browser, adjust as needed the page
generated by the server.
Note, however, that during the handling of the event apps are only able
to add scripts or styles to be loaded; they can not render arbitrary
content on the page, or change how the content is rendered by the
original template; all those changes have to be done by the scripts at
run-time.
This implies that the scripts of the apps can use only those parameters,
like the token of the share, added to the page when it is generated by
the "publicshareauth" template. Due to this, and given that the event is
being introduced to be used by Talk to inject the UI needed to request
the password for a share, the token of the share is now provided in the
generated page, just like done in the public share page.
Signed-off-by: Daniel Calviño Sánchez <danxuliu@gmail.com>
2018-07-12 15:52:36 +03:00
}
/**
* The template to show when authentication failed
*/
protected function showAuthFailed () : TemplateResponse {
$templateParameters = [ 'share' => $this -> share , 'wrongpw' => true ];
$event = new GenericEvent ( null , $templateParameters );
$this -> eventDispatcher -> dispatch ( 'OCA\Files_Sharing::loadAdditionalScripts::publicShareAuth' , $event );
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$response = new TemplateResponse ( 'core' , 'publicshareauth' , $templateParameters , 'guest' );
if ( $this -> share -> getSendPasswordByTalk ()) {
$csp = new ContentSecurityPolicy ();
$csp -> addAllowedConnectDomain ( '*' );
$csp -> addAllowedMediaDomain ( 'blob:' );
$csp -> allowEvalScript ( true );
$response -> setContentSecurityPolicy ( $csp );
}
return $response ;
Add event to load additional scripts in the auth page for public shares
Before the public share authentication page is rendered now an event to
load additional scripts is dispatched. Thanks to this any app can load
its own scripts that, when run on the browser, adjust as needed the page
generated by the server.
Note, however, that during the handling of the event apps are only able
to add scripts or styles to be loaded; they can not render arbitrary
content on the page, or change how the content is rendered by the
original template; all those changes have to be done by the scripts at
run-time.
This implies that the scripts of the apps can use only those parameters,
like the token of the share, added to the page when it is generated by
the "publicshareauth" template. Due to this, and given that the event is
being introduced to be used by Talk to inject the UI needed to request
the password for a share, the token of the share is now provided in the
generated page, just like done in the public share page.
Signed-off-by: Daniel Calviño Sánchez <danxuliu@gmail.com>
2018-07-12 15:52:36 +03:00
}
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protected function verifyPassword ( string $password ) : bool {
return $this -> shareManager -> checkPassword ( $this -> share , $password );
}
protected function getPasswordHash () : string {
return $this -> share -> getPassword ();
}
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public function isValidToken () : bool {
try {
$this -> share = $this -> shareManager -> getShareByToken ( $this -> getToken ());
} catch ( ShareNotFound $e ) {
return false ;
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}
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return true ;
}
protected function isPasswordProtected () : bool {
return $this -> share -> getPassword () !== null ;
}
protected function authSucceeded () {
// For share this was always set so it is still used in other apps
$this -> session -> set ( 'public_link_authenticated' , ( string ) $this -> share -> getId ());
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}
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protected function authFailed () {
$this -> emitAccessShareHook ( $this -> share , 403 , 'Wrong password' );
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}
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/**
* throws hooks when a share is attempted to be accessed
*
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* @ param \OCP\Share\IShare | string $share the Share instance if available ,
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* otherwise token
* @ param int $errorCode
* @ param string $errorMessage
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* @ throws \OC\HintException
* @ throws \OC\ServerNotAvailableException
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*/
protected function emitAccessShareHook ( $share , $errorCode = 200 , $errorMessage = '' ) {
$itemType = $itemSource = $uidOwner = '' ;
$token = $share ;
$exception = null ;
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if ( $share instanceof \OCP\Share\IShare ) {
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try {
$token = $share -> getToken ();
$uidOwner = $share -> getSharedBy ();
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$itemType = $share -> getNodeType ();
$itemSource = $share -> getNodeId ();
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} catch ( \Exception $e ) {
// we log what we know and pass on the exception afterwards
$exception = $e ;
}
}
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\OC_Hook :: emit ( Share :: class , 'share_link_access' , [
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'itemType' => $itemType ,
'itemSource' => $itemSource ,
'uidOwner' => $uidOwner ,
'token' => $token ,
'errorCode' => $errorCode ,
'errorMessage' => $errorMessage ,
]);
if ( ! is_null ( $exception )) {
throw $exception ;
}
}
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/**
* Validate the permissions of the share
*
* @ param Share\IShare $share
* @ return bool
*/
private function validateShare ( \OCP\Share\IShare $share ) {
return $share -> getNode () -> isReadable () && $share -> getNode () -> isShareable ();
}
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/**
* @ PublicPage
* @ NoCSRFRequired
*
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* @ param string $path
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* @ return TemplateResponse
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* @ throws NotFoundException
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* @ throws \Exception
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*/
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public function showShare ( $path = '' ) : TemplateResponse {
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\OC_User :: setIncognitoMode ( true );
// Check whether share exists
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try {
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$share = $this -> shareManager -> getShareByToken ( $this -> getToken ());
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} catch ( ShareNotFound $e ) {
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$this -> emitAccessShareHook ( $this -> getToken (), 404 , 'Share not found' );
throw new NotFoundException ();
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}
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if ( ! $this -> validateShare ( $share )) {
throw new NotFoundException ();
}
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$shareNode = $share -> getNode ();
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// We can't get the path of a file share
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try {
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if ( $shareNode instanceof \OCP\Files\File && $path !== '' ) {
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$this -> emitAccessShareHook ( $share , 404 , 'Share not found' );
throw new NotFoundException ();
}
} catch ( \Exception $e ) {
$this -> emitAccessShareHook ( $share , 404 , 'Share not found' );
throw $e ;
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}
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$shareTmpl = [];
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$shareTmpl [ 'displayName' ] = $this -> userManager -> get ( $share -> getShareOwner ()) -> getDisplayName ();
$shareTmpl [ 'owner' ] = $share -> getShareOwner ();
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$shareTmpl [ 'filename' ] = $shareNode -> getName ();
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$shareTmpl [ 'directory_path' ] = $share -> getTarget ();
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$shareTmpl [ 'note' ] = $share -> getNote ();
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$shareTmpl [ 'mimetype' ] = $shareNode -> getMimetype ();
$shareTmpl [ 'previewSupported' ] = $this -> previewManager -> isMimeSupported ( $shareNode -> getMimetype ());
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$shareTmpl [ 'dirToken' ] = $this -> getToken ();
$shareTmpl [ 'sharingToken' ] = $this -> getToken ();
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$shareTmpl [ 'server2serversharing' ] = $this -> federatedShareProvider -> isOutgoingServer2serverShareEnabled ();
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$shareTmpl [ 'protected' ] = $share -> getPassword () !== null ? 'true' : 'false' ;
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$shareTmpl [ 'dir' ] = '' ;
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$shareTmpl [ 'nonHumanFileSize' ] = $shareNode -> getSize ();
$shareTmpl [ 'fileSize' ] = \OCP\Util :: humanFileSize ( $shareNode -> getSize ());
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$shareTmpl [ 'hideDownload' ] = $share -> getHideDownload ();
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$hideFileList = false ;
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if ( $shareNode instanceof \OCP\Files\Folder ) {
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$shareIsFolder = true ;
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try {
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$folderNode = $shareNode -> get ( $path );
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} catch ( \OCP\Files\NotFoundException $e ) {
$this -> emitAccessShareHook ( $share , 404 , 'Share not found' );
throw new NotFoundException ();
}
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$shareTmpl [ 'dir' ] = $shareNode -> getRelativePath ( $folderNode -> getPath ());
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/*
* The OC_Util methods require a view . This just uses the node API
*/
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$freeSpace = $share -> getNode () -> getStorage () -> free_space ( $share -> getNode () -> getInternalPath ());
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if ( $freeSpace < \OCP\Files\FileInfo :: SPACE_UNLIMITED ) {
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$freeSpace = max ( $freeSpace , 0 );
} else {
$freeSpace = ( INF > 0 ) ? INF : PHP_INT_MAX ; // work around https://bugs.php.net/bug.php?id=69188
}
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$hideFileList = ! ( $share -> getPermissions () & \OCP\Constants :: PERMISSION_READ );
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$maxUploadFilesize = $freeSpace ;
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$folder = new Template ( 'files' , 'list' , '' );
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$folder -> assign ( 'dir' , $shareNode -> getRelativePath ( $folderNode -> getPath ()));
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$folder -> assign ( 'dirToken' , $this -> getToken ());
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$folder -> assign ( 'permissions' , \OCP\Constants :: PERMISSION_READ );
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$folder -> assign ( 'isPublic' , true );
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$folder -> assign ( 'hideFileList' , $hideFileList );
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$folder -> assign ( 'publicUploadEnabled' , 'no' );
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$folder -> assign ( 'showgridview' , false );
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$folder -> assign ( 'uploadMaxFilesize' , $maxUploadFilesize );
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$folder -> assign ( 'uploadMaxHumanFilesize' , \OCP\Util :: humanFileSize ( $maxUploadFilesize ));
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$folder -> assign ( 'freeSpace' , $freeSpace );
$folder -> assign ( 'usedSpacePercent' , 0 );
$folder -> assign ( 'trash' , false );
$shareTmpl [ 'folder' ] = $folder -> fetchPage ();
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} else {
$shareIsFolder = false ;
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}
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$shareTmpl [ 'showgridview' ] = false ;
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$shareTmpl [ 'hideFileList' ] = $hideFileList ;
$shareTmpl [ 'shareOwner' ] = $this -> userManager -> get ( $share -> getShareOwner ()) -> getDisplayName ();
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$shareTmpl [ 'downloadURL' ] = $this -> urlGenerator -> linkToRouteAbsolute ( 'files_sharing.sharecontroller.downloadShare' , [ 'token' => $this -> getToken ()]);
$shareTmpl [ 'shareUrl' ] = $this -> urlGenerator -> linkToRouteAbsolute ( 'files_sharing.sharecontroller.showShare' , [ 'token' => $this -> getToken ()]);
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$shareTmpl [ 'maxSizeAnimateGif' ] = $this -> config -> getSystemValue ( 'max_filesize_animated_gifs_public_sharing' , 10 );
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$shareTmpl [ 'previewEnabled' ] = $this -> config -> getSystemValue ( 'enable_previews' , true );
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$shareTmpl [ 'previewMaxX' ] = $this -> config -> getSystemValue ( 'preview_max_x' , 1024 );
$shareTmpl [ 'previewMaxY' ] = $this -> config -> getSystemValue ( 'preview_max_y' , 1024 );
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$shareTmpl [ 'disclaimer' ] = $this -> config -> getAppValue ( 'core' , 'shareapi_public_link_disclaimertext' , null );
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$shareTmpl [ 'previewURL' ] = $shareTmpl [ 'downloadURL' ];
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if ( $shareTmpl [ 'previewSupported' ]) {
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$shareTmpl [ 'previewImage' ] = $this -> urlGenerator -> linkToRouteAbsolute ( 'files_sharing.PublicPreview.getPreview' ,
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[ 'x' => 200 , 'y' => 200 , 'file' => $shareTmpl [ 'directory_path' ], 'token' => $shareTmpl [ 'dirToken' ]]);
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$ogPreview = $shareTmpl [ 'previewImage' ];
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// We just have direct previews for image files
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if ( $shareNode -> getMimePart () === 'image' ) {
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$shareTmpl [ 'previewURL' ] = $this -> urlGenerator -> linkToRouteAbsolute ( 'files_sharing.publicpreview.directLink' , [ 'token' => $this -> getToken ()]);
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$ogPreview = $shareTmpl [ 'previewURL' ];
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//Whatapp is kind of picky about their size requirements
if ( $this -> request -> isUserAgent ([ '/^WhatsApp/' ])) {
$ogPreview = $this -> urlGenerator -> linkToRouteAbsolute ( 'files_sharing.PublicPreview.getPreview' , [
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'token' => $this -> getToken (),
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'x' => 256 ,
'y' => 256 ,
'a' => true ,
]);
}
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}
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} else {
$shareTmpl [ 'previewImage' ] = $this -> urlGenerator -> getAbsoluteURL ( $this -> urlGenerator -> imagePath ( 'core' , 'favicon-fb.png' ));
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$ogPreview = $shareTmpl [ 'previewImage' ];
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}
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// Load files we need
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\OCP\Util :: addScript ( 'files' , 'file-upload' );
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\OCP\Util :: addStyle ( 'files_sharing' , 'publicView' );
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\OCP\Util :: addScript ( 'files_sharing' , 'public' );
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\OCP\Util :: addScript ( 'files_sharing' , 'templates' );
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\OCP\Util :: addScript ( 'files' , 'fileactions' );
\OCP\Util :: addScript ( 'files' , 'fileactionsmenu' );
\OCP\Util :: addScript ( 'files' , 'jquery.fileupload' );
\OCP\Util :: addScript ( 'files_sharing' , 'files_drop' );
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if ( isset ( $shareTmpl [ 'folder' ])) {
// JS required for folders
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\OCP\Util :: addStyle ( 'files' , 'merged' );
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\OCP\Util :: addScript ( 'files' , 'filesummary' );
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\OCP\Util :: addScript ( 'files' , 'templates' );
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\OCP\Util :: addScript ( 'files' , 'breadcrumb' );
\OCP\Util :: addScript ( 'files' , 'fileinfomodel' );
\OCP\Util :: addScript ( 'files' , 'newfilemenu' );
\OCP\Util :: addScript ( 'files' , 'files' );
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\OCP\Util :: addScript ( 'files' , 'filemultiselectmenu' );
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\OCP\Util :: addScript ( 'files' , 'filelist' );
\OCP\Util :: addScript ( 'files' , 'keyboardshortcuts' );
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}
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// OpenGraph Support: http://ogp.me/
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\OCP\Util :: addHeader ( 'meta' , [ 'property' => " og:title " , 'content' => $shareTmpl [ 'filename' ]]);
\OCP\Util :: addHeader ( 'meta' , [ 'property' => " og:description " , 'content' => $this -> defaults -> getName () . ( $this -> defaults -> getSlogan () !== '' ? ' - ' . $this -> defaults -> getSlogan () : '' )]);
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\OCP\Util :: addHeader ( 'meta' , [ 'property' => " og:site_name " , 'content' => $this -> defaults -> getName ()]);
\OCP\Util :: addHeader ( 'meta' , [ 'property' => " og:url " , 'content' => $shareTmpl [ 'shareUrl' ]]);
\OCP\Util :: addHeader ( 'meta' , [ 'property' => " og:type " , 'content' => " object " ]);
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\OCP\Util :: addHeader ( 'meta' , [ 'property' => " og:image " , 'content' => $ogPreview ]);
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$this -> eventDispatcher -> dispatch ( 'OCA\Files_Sharing::loadAdditionalScripts' );
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$csp = new \OCP\AppFramework\Http\ContentSecurityPolicy ();
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$csp -> addAllowedFrameDomain ( '\'self\'' );
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$response = new PublicTemplateResponse ( $this -> appName , 'public' , $shareTmpl );
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$response -> setHeaderTitle ( $shareTmpl [ 'filename' ]);
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$response -> setHeaderDetails ( $this -> l10n -> t ( 'shared by %s' , [ $shareTmpl [ 'displayName' ]]));
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$isNoneFileDropFolder = $shareIsFolder === false || $share -> getPermissions () !== \OCP\Constants :: PERMISSION_CREATE ;
if ( $isNoneFileDropFolder && ! $share -> getHideDownload ()) {
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\OCP\Util :: addScript ( 'files_sharing' , 'public_note' );
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$downloadWhite = new SimpleMenuAction ( 'download' , $this -> l10n -> t ( 'Download' ), 'icon-download-white' , $shareTmpl [ 'downloadURL' ], 0 );
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$downloadAllWhite = new SimpleMenuAction ( 'download' , $this -> l10n -> t ( 'Download all files' ), 'icon-download-white' , $shareTmpl [ 'downloadURL' ], 0 );
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$download = new SimpleMenuAction ( 'download' , $this -> l10n -> t ( 'Download' ), 'icon-download' , $shareTmpl [ 'downloadURL' ], 10 , $shareTmpl [ 'fileSize' ]);
$downloadAll = new SimpleMenuAction ( 'download' , $this -> l10n -> t ( 'Download all files' ), 'icon-download' , $shareTmpl [ 'downloadURL' ], 10 , $shareTmpl [ 'fileSize' ]);
$directLink = new LinkMenuAction ( $this -> l10n -> t ( 'Direct link' ), 'icon-public' , $shareTmpl [ 'previewURL' ]);
$externalShare = new ExternalShareMenuAction ( $this -> l10n -> t ( 'Add to your Nextcloud' ), 'icon-external' , $shareTmpl [ 'owner' ], $shareTmpl [ 'displayName' ], $shareTmpl [ 'filename' ]);
$responseComposer = [];
if ( $shareIsFolder ) {
$responseComposer [] = $downloadAllWhite ;
$responseComposer [] = $downloadAll ;
} else {
$responseComposer [] = $downloadWhite ;
$responseComposer [] = $download ;
}
$responseComposer [] = $directLink ;
if ( $this -> federatedShareProvider -> isOutgoingServer2serverShareEnabled ()) {
$responseComposer [] = $externalShare ;
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}
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$response -> setHeaderActions ( $responseComposer );
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}
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$response -> setContentSecurityPolicy ( $csp );
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$this -> emitAccessShareHook ( $share );
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return $response ;
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}
/**
* @ PublicPage
* @ NoCSRFRequired
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*
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* @ param string $token
* @ param string $files
* @ param string $path
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* @ param string $downloadStartSecret
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* @ return void | \OCP\AppFramework\Http\Response
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* @ throws NotFoundException
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*/
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public function downloadShare ( $token , $files = null , $path = '' , $downloadStartSecret = '' ) {
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\OC_User :: setIncognitoMode ( true );
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$share = $this -> shareManager -> getShareByToken ( $token );
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if ( ! ( $share -> getPermissions () & \OCP\Constants :: PERMISSION_READ )) {
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return new \OCP\AppFramework\Http\DataResponse ( 'Share is read-only' );
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}
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$files_list = null ;
if ( ! is_null ( $files )) { // download selected files
$files_list = json_decode ( $files );
// in case we get only a single file
if ( $files_list === null ) {
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$files_list = [ $files ];
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}
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// Just in case $files is a single int like '1234'
if ( ! is_array ( $files_list )) {
$files_list = [ $files_list ];
}
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}
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if ( ! $this -> validateShare ( $share )) {
throw new NotFoundException ();
}
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$userFolder = $this -> rootFolder -> getUserFolder ( $share -> getShareOwner ());
$originalSharePath = $userFolder -> getRelativePath ( $share -> getNode () -> getPath ());
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// Single file share
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if ( $share -> getNode () instanceof \OCP\Files\File ) {
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// Single file download
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$this -> singleFileDownloaded ( $share , $share -> getNode ());
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}
// Directory share
else {
/** @var \OCP\Files\Folder $node */
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$node = $share -> getNode ();
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// Try to get the path
if ( $path !== '' ) {
try {
$node = $node -> get ( $path );
} catch ( NotFoundException $e ) {
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$this -> emitAccessShareHook ( $share , 404 , 'Share not found' );
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return new NotFoundResponse ();
}
}
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$originalSharePath = $userFolder -> getRelativePath ( $node -> getPath ());
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if ( $node instanceof \OCP\Files\File ) {
// Single file download
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$this -> singleFileDownloaded ( $share , $share -> getNode ());
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} else if ( ! empty ( $files_list )) {
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$this -> fileListDownloaded ( $share , $files_list , $node );
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} else {
// The folder is downloaded
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$this -> singleFileDownloaded ( $share , $share -> getNode ());
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}
}
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/* FIXME: We should do this all nicely in OCP */
OC_Util :: tearDownFS ();
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OC_Util :: setupFS ( $share -> getShareOwner ());
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/**
* this sets a cookie to be able to recognize the start of the download
* the content must not be longer than 32 characters and must only contain
* alphanumeric characters
*/
if ( ! empty ( $downloadStartSecret )
&& ! isset ( $downloadStartSecret [ 32 ])
&& preg_match ( '!^[a-zA-Z0-9]+$!' , $downloadStartSecret ) === 1 ) {
// FIXME: set on the response once we use an actual app framework response
setcookie ( 'ocDownloadStarted' , $downloadStartSecret , time () + 20 , '/' );
}
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$this -> emitAccessShareHook ( $share );
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$server_params = array ( 'head' => $this -> request -> getMethod () === 'HEAD' );
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/**
* Http range requests support
*/
if ( isset ( $_SERVER [ 'HTTP_RANGE' ])) {
$server_params [ 'range' ] = $this -> request -> getHeader ( 'Range' );
}
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// download selected files
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if ( ! is_null ( $files ) && $files !== '' ) {
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// FIXME: The exit is required here because otherwise the AppFramework is trying to add headers as well
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// after dispatching the request which results in a "Cannot modify header information" notice.
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OC_Files :: get ( $originalSharePath , $files_list , $server_params );
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exit ();
} else {
// FIXME: The exit is required here because otherwise the AppFramework is trying to add headers as well
// after dispatching the request which results in a "Cannot modify header information" notice.
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OC_Files :: get ( dirname ( $originalSharePath ), basename ( $originalSharePath ), $server_params );
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exit ();
}
}
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/**
* create activity for every downloaded file
*
* @ param Share\IShare $share
* @ param array $files_list
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* @ param \OCP\Files\Folder $node
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*/
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protected function fileListDownloaded ( Share\IShare $share , array $files_list , \OCP\Files\Folder $node ) {
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foreach ( $files_list as $file ) {
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$subNode = $node -> get ( $file );
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$this -> singleFileDownloaded ( $share , $subNode );
}
}
/**
* create activity if a single file was downloaded from a link share
*
* @ param Share\IShare $share
*/
protected function singleFileDownloaded ( Share\IShare $share , \OCP\Files\Node $node ) {
$fileId = $node -> getId ();
$userFolder = $this -> rootFolder -> getUserFolder ( $share -> getSharedBy ());
$userNodeList = $userFolder -> getById ( $fileId );
$userNode = $userNodeList [ 0 ];
$ownerFolder = $this -> rootFolder -> getUserFolder ( $share -> getShareOwner ());
$userPath = $userFolder -> getRelativePath ( $userNode -> getPath ());
$ownerPath = $ownerFolder -> getRelativePath ( $node -> getPath ());
$parameters = [ $userPath ];
if ( $share -> getShareType () === \OCP\Share :: SHARE_TYPE_EMAIL ) {
if ( $node instanceof \OCP\Files\File ) {
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$subject = Downloads :: SUBJECT_SHARED_FILE_BY_EMAIL_DOWNLOADED ;
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} else {
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$subject = Downloads :: SUBJECT_SHARED_FOLDER_BY_EMAIL_DOWNLOADED ;
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}
$parameters [] = $share -> getSharedWith ();
} else {
if ( $node instanceof \OCP\Files\File ) {
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$subject = Downloads :: SUBJECT_PUBLIC_SHARED_FILE_DOWNLOADED ;
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} else {
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$subject = Downloads :: SUBJECT_PUBLIC_SHARED_FOLDER_DOWNLOADED ;
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}
}
$this -> publishActivity ( $subject , $parameters , $share -> getSharedBy (), $fileId , $userPath );
if ( $share -> getShareOwner () !== $share -> getSharedBy ()) {
$parameters [ 0 ] = $ownerPath ;
$this -> publishActivity ( $subject , $parameters , $share -> getShareOwner (), $fileId , $ownerPath );
}
}
/**
* publish activity
*
* @ param string $subject
* @ param array $parameters
* @ param string $affectedUser
* @ param int $fileId
* @ param string $filePath
*/
protected function publishActivity ( $subject ,
array $parameters ,
$affectedUser ,
$fileId ,
$filePath ) {
$event = $this -> activityManager -> generateEvent ();
$event -> setApp ( 'files_sharing' )
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-> setType ( 'public_links' )
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-> setSubject ( $subject , $parameters )
-> setAffectedUser ( $affectedUser )
-> setObject ( 'files' , $fileId , $filePath );
$this -> activityManager -> publish ( $event );
}
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}