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<?php
/**
* (c) Aaron Schulz 2013, GPL
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
* http://www.gnu.org/copyleft/gpl.html
*/
namespace MediaWiki\Extensions\OAuth\Control;
use MediaWiki\Extensions\OAuth\Backend\Consumer;
use MediaWiki\Extensions\OAuth\Backend\ConsumerAcceptance;
use MediaWiki\Extensions\OAuth\Backend\MWOAuthException;
use MediaWiki\Extensions\OAuth\Backend\Utils;
use MediaWiki\Extensions\OAuth\Lib\OAuthException;
use MediaWiki\Extensions\OAuth\Repository\AccessTokenRepository;
use MediaWiki\Logger\LoggerFactory;
use Wikimedia\Rdbms\DBConnRef;
/**
* This handles the core logic of submitting/approving application
* consumer requests and the logic of managing approved consumers
*
* This control can be used on any wiki, not just the management one
*
* @TODO: improve error messages
*/
class ConsumerAcceptanceSubmitControl extends SubmitControl {
/** @var DBConnRef */
protected $dbw;
/** @var int */
protected $oauthVersion;
/**
* @param \IContextSource $context
* @param array $params
* @param DBConnRef $dbw Result of MWOAuthUtils::getCentralDB( DB_MASTER )
* @param int $oauthVersion
*/
public function __construct(
\IContextSource $context, array $params, DBConnRef $dbw, $oauthVersion
) {
parent::__construct( $context, $params );
$this->dbw = $dbw;
$this->oauthVersion = (int)$oauthVersion;
}
protected function getRequiredFields() {
$required = [
'update' => [
'acceptanceId' => '/^\d+$/',
'grants' => function ( $s ) {
$grants = \FormatJson::decode( $s, true );
return is_array( $grants ) && Utils::grantsAreValid( $grants );
}
],
'renounce' => [
'acceptanceId' => '/^\d+$/',
],
];
if ( $this->isOAuth2() ) {
$required['accept'] = [
'client_id' => '/^[0-9a-f]{32}$/',
'confirmUpdate' => '/^[01]$/',
];
} else {
$required['accept'] = [
'consumerKey' => '/^[0-9a-f]{32}$/',
'requestToken' => '/^[0-9a-f]{32}$/',
'confirmUpdate' => '/^[01]$/',
];
}
return $required;
}
protected function checkBasePermissions() {
$user = $this->getUser();
if ( !$user->getID() ) {
return $this->failure( 'not_logged_in', 'badaccess-group0' );
} elseif ( !$user->isAllowed( 'mwoauthmanagemygrants' ) ) {
return $this->failure( 'permission_denied', 'badaccess-group0' );
} elseif ( wfReadOnly() ) {
return $this->failure( 'readonly', 'readonlytext', wfReadOnlyReason() );
}
return $this->success();
}
protected function processAction( $action ) {
$user = $this->getUser(); // proposer or admin
$dbw = $this->dbw; // convenience
$centralUserId = Utils::getCentralIdFromLocalUser( $user );
if ( !$centralUserId ) { // sanity
return $this->failure( 'permission_denied', 'badaccess-group0' );
}
switch ( $action ) {
case 'accept':
$payload = [];
$identifier = $this->isOAuth2() ? 'client_id' : 'consumerKey';
$cmr = Consumer::newFromKey( $this->dbw, $this->vals[$identifier] );
if ( !$cmr ) {
return $this->failure( 'invalid_consumer_key', 'mwoauth-invalid-consumer-key' );
} elseif ( !$cmr->isUsableBy( $user ) ) {
return $this->failure( 'permission_denied', 'badaccess-group0' );
}
try {
if ( $this->isOAuth2() ) {
$scopes = isset( $this->vals['scope'] ) ? explode( ' ', $this->vals['scope'] ) : [];
$payload = $cmr->authorize( $this->getUser(), (bool)$this->vals['confirmUpdate'], $scopes );
} else {
$callback = $cmr->authorize(
$this->getUser(),
(bool)$this->vals[ 'confirmUpdate' ],
$cmr->getGrants(),
$this->vals[ 'requestToken' ]
);
$payload = [ 'callbackUrl' => $callback ];
}
} catch ( MWOAuthException $exception ) {
return $this->failure( 'oauth_exception', $exception->msg, $exception->params );
} catch ( OAuthException $exception ) {
return $this->failure( 'oauth_exception',
'mwoauth-oauth-exception', $exception->getMessage() );
}
LoggerFactory::getInstance( 'OAuth' )->info(
'{user} performed action {action} on consumer {consumer}', [
'action' => 'accept',
'user' => $user->getName(),
'consumer' => $cmr->getConsumerKey(),
'target' => Utils::getCentralUserNameFromId( $cmr->getUserId(), 'raw' ),
'comment' => '',
'clientip' => $this->getContext()->getRequest()->getIP(),
]
);
return $this->success( $payload );
case 'update':
$cmra = ConsumerAcceptance::newFromId( $dbw, $this->vals['acceptanceId'] );
if ( !$cmra ) {
return $this->failure( 'invalid_access_token', 'mwoauth-invalid-access-token' );
} elseif ( $cmra->getUserId() !== $centralUserId ) {
return $this->failure( 'invalid_access_token', 'mwoauth-invalid-access-token' );
}
$cmr = Consumer::newFromId( $dbw, $cmra->getConsumerId() );
$grants = \FormatJson::decode( $this->vals['grants'], true ); // requested grants
$grants = array_unique( array_intersect(
array_merge(
\MWGrants::getHiddenGrants(), // implied grants
$grants // requested grants
),
$cmr->getGrants() // Only keep the applicable ones
) );
LoggerFactory::getInstance( 'OAuth' )->info(
'{user} performed action {action} on consumer {consumer}', [
'action' => 'update-acceptance',
'user' => $user->getName(),
'consumer' => $cmr->getConsumerKey(),
'target' => Utils::getCentralUserNameFromId( $cmr->getUserId(), 'raw' ),
'comment' => '',
'clientip' => $this->getContext()->getRequest()->getIP(),
]
);
$cmra->setFields( [
'grants' => array_intersect( $grants, $cmr->getGrants() ) // sanity
] );
$cmra->save( $dbw );
return $this->success( $cmra );
case 'renounce':
$cmra = ConsumerAcceptance::newFromId( $dbw, $this->vals['acceptanceId'] );
if ( !$cmra ) {
return $this->failure( 'invalid_access_token', 'mwoauth-invalid-access-token' );
} elseif ( $cmra->getUserId() !== $centralUserId ) {
return $this->failure( 'invalid_access_token', 'mwoauth-invalid-access-token' );
}
$cmr = Consumer::newFromId( $dbw, $cmra->get( 'consumerId' ) );
LoggerFactory::getInstance( 'OAuth' )->info(
'{user} performed action {action} on consumer {consumer}', [
'action' => 'renounce',
'user' => $user->getName(),
'consumer' => $cmr->getConsumerKey(),
'target' => Utils::getCentralUserNameFromId( $cmr->getUserId(), 'raw' ),
'comment' => '',
'clientip' => $this->getContext()->getRequest()->getIP(),
]
);
if ( $cmr->getOAuthVersion() === Consumer::OAUTH_VERSION_2 ) {
$this->removeOAuth2AccessTokens( $cmra->getId() );
}
$cmra->delete( $dbw );
return $this->success( $cmra );
}
}
/**
* Convenience function
*
* @return bool
*/
private function isOAuth2() {
return $this->oauthVersion === Consumer::OAUTH_VERSION_2;
}
/**
* @param int $approvalId
*/
private function removeOAuth2AccessTokens( $approvalId ) {
$accessTokenRepository = new AccessTokenRepository();
$accessTokenRepository->deleteForApprovalId( $approvalId );
}
}
|
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