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PhabricatorConduitToken.php
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Mon, Nov 25, 08:54

PhabricatorConduitToken.php
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<?php
final class PhabricatorConduitToken
extends PhabricatorConduitDAO
implements PhabricatorPolicyInterface {
protected $objectPHID;
protected $tokenType;
protected $token;
protected $expires;
private $object = self::ATTACHABLE;
const TYPE_STANDARD = 'api';
const TYPE_COMMANDLINE = 'cli';
const TYPE_CLUSTER = 'clr';
protected function getConfiguration() {
return array(
self::CONFIG_COLUMN_SCHEMA => array(
'tokenType' => 'text32',
'token' => 'text32',
'expires' => 'epoch?',
),
self::CONFIG_KEY_SCHEMA => array(
'key_object' => array(
'columns' => array('objectPHID', 'tokenType'),
),
'key_token' => array(
'columns' => array('token'),
'unique' => true,
),
'key_expires' => array(
'columns' => array('expires'),
),
),
) + parent::getConfiguration();
}
public static function loadClusterTokenForUser(PhabricatorUser $user) {
if (!$user->isLoggedIn()) {
return null;
}
if ($user->hasConduitClusterToken()) {
return $user->getConduitClusterToken();
}
$tokens = id(new PhabricatorConduitTokenQuery())
->setViewer($user)
->withObjectPHIDs(array($user->getPHID()))
->withTokenTypes(array(self::TYPE_CLUSTER))
->withExpired(false)
->execute();
// Only return a token if it has at least 5 minutes left before
// expiration. Cluster tokens cycle regularly, so we don't want to use
// one that's going to expire momentarily.
$now = PhabricatorTime::getNow();
$must_expire_after = $now + phutil_units('5 minutes in seconds');
$valid_token = null;
foreach ($tokens as $token) {
if ($token->getExpires() > $must_expire_after) {
$valid_token = $token;
break;
}
}
// We didn't find any existing tokens (or the existing tokens are all about
// to expire) so generate a new token.
if (!$valid_token) {
$unguarded = AphrontWriteGuard::beginScopedUnguardedWrites();
$valid_token = self::initializeNewToken(
$user->getPHID(),
self::TYPE_CLUSTER);
$valid_token->save();
unset($unguarded);
}
$user->attachConduitClusterToken($valid_token);
return $valid_token;
}
public static function initializeNewToken($object_phid, $token_type) {
$token = new PhabricatorConduitToken();
$token->objectPHID = $object_phid;
$token->tokenType = $token_type;
$token->expires = $token->getTokenExpires($token_type);
$secret = $token_type.'-'.Filesystem::readRandomCharacters(32);
$secret = substr($secret, 0, 32);
$token->token = $secret;
return $token;
}
public static function getTokenTypeName($type) {
$map = array(
self::TYPE_STANDARD => pht('Standard API Token'),
self::TYPE_COMMANDLINE => pht('Command Line API Token'),
self::TYPE_CLUSTER => pht('Cluster API Token'),
);
return idx($map, $type, $type);
}
public static function getAllTokenTypes() {
return array(
self::TYPE_STANDARD,
self::TYPE_COMMANDLINE,
self::TYPE_CLUSTER,
);
}
private function getTokenExpires($token_type) {
$now = PhabricatorTime::getNow();
switch ($token_type) {
case self::TYPE_STANDARD:
return null;
case self::TYPE_COMMANDLINE:
return $now + phutil_units('1 hour in seconds');
case self::TYPE_CLUSTER:
return $now + phutil_units('30 minutes in seconds');
default:
throw new Exception(
pht('Unknown Conduit token type "%s"!', $token_type));
}
}
public function getPublicTokenName() {
switch ($this->getTokenType()) {
case self::TYPE_CLUSTER:
return pht('Cluster API Token');
default:
return substr($this->getToken(), 0, 8).'...';
}
}
public function getObject() {
return $this->assertAttached($this->object);
}
public function attachObject(PhabricatorUser $object) {
$this->object = $object;
return $this;
}
/* -( PhabricatorPolicyInterface )----------------------------------------- */
public function getCapabilities() {
return array(
PhabricatorPolicyCapability::CAN_VIEW,
PhabricatorPolicyCapability::CAN_EDIT,
);
}
public function getPolicy($capability) {
return $this->getObject()->getPolicy($capability);
}
public function hasAutomaticCapability($capability, PhabricatorUser $viewer) {
return $this->getObject()->hasAutomaticCapability($capability, $viewer);
}
public function describeAutomaticCapability($capability) {
return pht(
'Conduit tokens inherit the policies of the user they authenticate.');
}
}

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