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[stable21] Add bruteforce protection to the shareinfo endpoint #26955

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merged 1 commit into from
May 12, 2021
Merged

[stable21] Add bruteforce protection to the shareinfo endpoint #26955

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16 changes: 11 additions & 5 deletions apps/files_sharing/lib/Controller/ShareInfoController.php
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Original file line number Diff line number Diff line change
Expand Up @@ -48,7 +48,7 @@ class ShareInfoController extends ApiController {
* @param IRequest $request
* @param IManager $shareManager
*/
public function __construct($appName,
public function __construct(string $appName,
IRequest $request,
IManager $shareManager) {
parent::__construct($appName, $request);
Expand All @@ -59,26 +59,32 @@ public function __construct($appName,
/**
* @PublicPage
* @NoCSRFRequired
* @BruteForceProtection(action=shareinfo)
*
* @param string $t
* @param null $password
* @param null $dir
* @return JSONResponse
* @throws ShareNotFound
*/
public function info($t, $password = null, $dir = null) {
try {
$share = $this->shareManager->getShareByToken($t);
} catch (ShareNotFound $e) {
return new JSONResponse([], Http::STATUS_NOT_FOUND);
$response = new JSONResponse([], Http::STATUS_NOT_FOUND);
$response->throttle(['token' => $t]);
return $response;
}

if ($share->getPassword() && !$this->shareManager->checkPassword($share, $password)) {
return new JSONResponse([], Http::STATUS_FORBIDDEN);
$response = new JSONResponse([], Http::STATUS_FORBIDDEN);
$response->throttle(['token' => $t]);
return $response;
}

if (!($share->getPermissions() & Constants::PERMISSION_READ)) {
return new JSONResponse([], Http::STATUS_FORBIDDEN);
$response = new JSONResponse([], Http::STATUS_FORBIDDEN);
$response->throttle(['token' => $t]);
return $response;
}

$permissionMask = $share->getPermissions();
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3 changes: 3 additions & 0 deletions apps/files_sharing/tests/Controller/ShareInfoControllerTest.php
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Original file line number Diff line number Diff line change
Expand Up @@ -66,6 +66,7 @@ public function testNoShare() {
->willThrowException(new ShareNotFound());

$expected = new JSONResponse([], Http::STATUS_NOT_FOUND);
$expected->throttle(['token' => 'token']);
$this->assertEquals($expected, $this->controller->info('token'));
}

Expand All @@ -82,6 +83,7 @@ public function testWrongPassword() {
->willReturn(false);

$expected = new JSONResponse([], Http::STATUS_FORBIDDEN);
$expected->throttle(['token' => 'token']);
$this->assertEquals($expected, $this->controller->info('token', 'pass'));
}

Expand All @@ -100,6 +102,7 @@ public function testNoReadPermissions() {
->willReturn(true);

$expected = new JSONResponse([], Http::STATUS_FORBIDDEN);
$expected->throttle(['token' => 'token']);
$this->assertEquals($expected, $this->controller->info('token', 'pass'));
}

Expand Down