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phorge/src/applications/auth/editor/PhabricatorAuthSSHKeyEditor.php
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PhabricatorAuthSSHKeyEditor.php
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<?php
final class PhabricatorAuthSSHKeyEditor
extends PhabricatorApplicationTransactionEditor {
private $isAdministrativeEdit;
public function setIsAdministrativeEdit($is_administrative_edit) {
$this->isAdministrativeEdit = $is_administrative_edit;
return $this;
}
public function getIsAdministrativeEdit() {
return $this->isAdministrativeEdit;
}
public function getEditorApplicationClass() {
return PhabricatorAuthApplication::class;
}
public function getEditorObjectsDescription() {
return pht('SSH Keys');
}
public function getTransactionTypes() {
$types = parent::getTransactionTypes();
$types[] = PhabricatorAuthSSHKeyTransaction::TYPE_NAME;
$types[] = PhabricatorAuthSSHKeyTransaction::TYPE_KEY;
$types[] = PhabricatorAuthSSHKeyTransaction::TYPE_DEACTIVATE;
return $types;
}
protected function getCustomTransactionOldValue(
PhabricatorLiskDAO $object,
PhabricatorApplicationTransaction $xaction) {
switch ($xaction->getTransactionType()) {
case PhabricatorAuthSSHKeyTransaction::TYPE_NAME:
return $object->getName();
case PhabricatorAuthSSHKeyTransaction::TYPE_KEY:
return $object->getEntireKey();
case PhabricatorAuthSSHKeyTransaction::TYPE_DEACTIVATE:
return !$object->getIsActive();
}
}
protected function getCustomTransactionNewValue(
PhabricatorLiskDAO $object,
PhabricatorApplicationTransaction $xaction) {
switch ($xaction->getTransactionType()) {
case PhabricatorAuthSSHKeyTransaction::TYPE_NAME:
case PhabricatorAuthSSHKeyTransaction::TYPE_KEY:
return $xaction->getNewValue();
case PhabricatorAuthSSHKeyTransaction::TYPE_DEACTIVATE:
return (bool)$xaction->getNewValue();
}
}
protected function applyCustomInternalTransaction(
PhabricatorLiskDAO $object,
PhabricatorApplicationTransaction $xaction) {
$value = $xaction->getNewValue();
switch ($xaction->getTransactionType()) {
case PhabricatorAuthSSHKeyTransaction::TYPE_NAME:
$object->setName($value);
return;
case PhabricatorAuthSSHKeyTransaction::TYPE_KEY:
$public_key = PhabricatorAuthSSHPublicKey::newFromRawKey($value);
$type = $public_key->getType();
$body = $public_key->getBody();
$comment = $public_key->getComment();
$object->setKeyType($type);
$object->setKeyBody($body);
$object->setKeyComment($comment);
return;
case PhabricatorAuthSSHKeyTransaction::TYPE_DEACTIVATE:
if ($value) {
$new = null;
} else {
$new = 1;
}
$object->setIsActive($new);
return;
}
}
protected function applyCustomExternalTransaction(
PhabricatorLiskDAO $object,
PhabricatorApplicationTransaction $xaction) {
return;
}
protected function validateTransaction(
PhabricatorLiskDAO $object,
$type,
array $xactions) {
$errors = parent::validateTransaction($object, $type, $xactions);
$viewer = $this->requireActor();
switch ($type) {
case PhabricatorAuthSSHKeyTransaction::TYPE_NAME:
$missing = $this->validateIsEmptyTextField(
$object->getName(),
$xactions);
if ($missing) {
$error = new PhabricatorApplicationTransactionValidationError(
$type,
pht('Required'),
pht('SSH key name is required.'),
nonempty(last($xactions), null));
$error->setIsMissingFieldError(true);
$errors[] = $error;
}
break;
case PhabricatorAuthSSHKeyTransaction::TYPE_KEY;
$missing = $this->validateIsEmptyTextField(
$object->getName(),
$xactions);
if ($missing) {
$error = new PhabricatorApplicationTransactionValidationError(
$type,
pht('Required'),
pht('SSH key material is required.'),
nonempty(last($xactions), null));
$error->setIsMissingFieldError(true);
$errors[] = $error;
} else {
foreach ($xactions as $xaction) {
$new = $xaction->getNewValue();
try {
$public_key = PhabricatorAuthSSHPublicKey::newFromRawKey($new);
} catch (Exception $ex) {
$errors[] = new PhabricatorApplicationTransactionValidationError(
$type,
pht('Invalid'),
$ex->getMessage(),
$xaction);
continue;
}
// The database does not have a unique key on just the <keyBody>
// column because we allow multiple accounts to revoke the same
// key, so we can't rely on database constraints to prevent users
// from adding keys that are on the revocation list back to their
// accounts. Explicitly check for a revoked copy of the key.
$revoked_keys = id(new PhabricatorAuthSSHKeyQuery())
->setViewer($viewer)
->withObjectPHIDs(array($object->getObjectPHID()))
->withIsActive(0)
->withKeys(array($public_key))
->execute();
if ($revoked_keys) {
$errors[] = new PhabricatorApplicationTransactionValidationError(
$type,
pht('Revoked'),
pht(
'This key has been revoked. Choose or generate a new, '.
'unique key.'),
$xaction);
continue;
}
}
}
break;
case PhabricatorAuthSSHKeyTransaction::TYPE_DEACTIVATE:
foreach ($xactions as $xaction) {
if (!$xaction->getNewValue()) {
$errors[] = new PhabricatorApplicationTransactionValidationError(
$type,
pht('Invalid'),
pht('SSH keys can not be reactivated.'),
$xaction);
}
}
break;
}
return $errors;
}
protected function didCatchDuplicateKeyException(
PhabricatorLiskDAO $object,
array $xactions,
Exception $ex) {
$errors = array();
$errors[] = new PhabricatorApplicationTransactionValidationError(
PhabricatorAuthSSHKeyTransaction::TYPE_KEY,
pht('Duplicate'),
pht(
'This public key is already associated with another user or device. '.
'Each key must unambiguously identify a single unique owner.'),
null);
throw new PhabricatorApplicationTransactionValidationException($errors);
}
protected function shouldSendMail(
PhabricatorLiskDAO $object,
array $xactions) {
return true;
}
protected function getMailSubjectPrefix() {
return pht('[SSH Key]');
}
protected function getMailThreadID(PhabricatorLiskDAO $object) {
return 'ssh-key-'.$object->getPHID();
}
protected function applyFinalEffects(
PhabricatorLiskDAO $object,
array $xactions) {
// After making any change to an SSH key, drop the authfile cache so it
// is regenerated the next time anyone authenticates.
PhabricatorAuthSSHKeyQuery::deleteSSHKeyCache();
return $xactions;
}
protected function getMailTo(PhabricatorLiskDAO $object) {
return $object->getObject()->getSSHKeyNotifyPHIDs();
}
protected function getMailCC(PhabricatorLiskDAO $object) {
return array();
}
protected function buildReplyHandler(PhabricatorLiskDAO $object) {
return id(new PhabricatorAuthSSHKeyReplyHandler())
->setMailReceiver($object);
}
protected function buildMailTemplate(PhabricatorLiskDAO $object) {
$id = $object->getID();
$name = $object->getName();
$mail = id(new PhabricatorMetaMTAMail())
->setSubject(pht('SSH Key %d: %s', $id, $name));
// The primary value of this mail is alerting users to account compromises,
// so force delivery. In particular, this mail should still be delivered
// even if "self mail" is disabled.
$mail->setForceDelivery(true);
return $mail;
}
protected function buildMailBody(
PhabricatorLiskDAO $object,
array $xactions) {
$body = parent::buildMailBody($object, $xactions);
if (!$this->getIsAdministrativeEdit()) {
$body->addTextSection(
pht('SECURITY WARNING'),
pht(
'If you do not recognize this change, it may indicate your account '.
'has been compromised.'));
}
$detail_uri = $object->getURI();
$detail_uri = PhabricatorEnv::getProductionURI($detail_uri);
$body->addLinkSection(pht('SSH KEY DETAIL'), $detail_uri);
return $body;
}
protected function getCustomWorkerState() {
return array(
'isAdministrativeEdit' => $this->isAdministrativeEdit,
);
}
protected function loadCustomWorkerState(array $state) {
$this->isAdministrativeEdit = idx($state, 'isAdministrativeEdit');
return $this;
}
}

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