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diff --git a/scripts/ssh/ssh-auth-key.php b/scripts/ssh/ssh-auth-key.php
--- a/scripts/ssh/ssh-auth-key.php
+++ b/scripts/ssh/ssh-auth-key.php
@@ -4,48 +4,28 @@
$root = dirname(dirname(dirname(__FILE__)));
require_once $root.'/scripts/__init_script__.php';
-$cert = file_get_contents('php://stdin');
-
-if (!$cert) {
- exit(1);
-}
-
-$parts = preg_split('/\s+/', $cert);
-if (count($parts) < 2) {
+try {
+ $cert = file_get_contents('php://stdin');
+ $public_key = PhabricatorAuthSSHPublicKey::newFromRawKey($cert);
+} catch (Exception $ex) {
exit(1);
}
-list($type, $body) = $parts;
-
-$user_dao = new PhabricatorUser();
-$ssh_dao = new PhabricatorUserSSHKey();
-$conn_r = $user_dao->establishConnection('r');
-
-$row = queryfx_one(
- $conn_r,
- 'SELECT userName FROM %T u JOIN %T ssh ON u.phid = ssh.userPHID
- WHERE ssh.keyType = %s AND ssh.keyBody = %s',
- $user_dao->getTableName(),
- $ssh_dao->getTableName(),
- $type,
- $body);
-
-if (!$row) {
- exit(1);
-}
-
-$user = idx($row, 'userName');
-
-if (!$user) {
+$key = id(new PhabricatorAuthSSHKeyQuery())
+ ->setViewer(PhabricatorUser::getOmnipotentUser())
+ ->withKeys(array($public_key))
+ ->executeOne();
+if (!$key) {
exit(1);
}
-if (!PhabricatorUser::validateUsername($user)) {
+$object = $key->getObject();
+if (!($object instanceof PhabricatorUser)) {
exit(1);
}
$bin = $root.'/bin/ssh-exec';
-$cmd = csprintf('%s --phabricator-ssh-user %s', $bin, $user);
+$cmd = csprintf('%s --phabricator-ssh-user %s', $bin, $object->getUsername());
// This is additional escaping for the SSH 'command="..."' string.
$cmd = addcslashes($cmd, '"\\');
diff --git a/scripts/ssh/ssh-auth.php b/scripts/ssh/ssh-auth.php
--- a/scripts/ssh/ssh-auth.php
+++ b/scripts/ssh/ssh-auth.php
@@ -4,25 +4,27 @@
$root = dirname(dirname(dirname(__FILE__)));
require_once $root.'/scripts/__init_script__.php';
-$user_dao = new PhabricatorUser();
-$ssh_dao = new PhabricatorUserSSHKey();
-$conn_r = $user_dao->establishConnection('r');
-
-$rows = queryfx_all(
- $conn_r,
- 'SELECT userName, keyBody, keyType FROM %T u JOIN %T ssh
- ON u.phid = ssh.userPHID',
- $user_dao->getTableName(),
- $ssh_dao->getTableName());
-
-if (!$rows) {
+$keys = id(new PhabricatorAuthSSHKeyQuery())
+ ->setViewer(PhabricatorUser::getOmnipotentUser())
+ ->execute();
+
+foreach ($keys as $key => $ssh_key) {
+ // For now, filter out any keys which don't belong to users. Eventually we
+ // may allow devices to use this channel.
+ if (!($ssh_key->getObject() instanceof PhabricatorUser)) {
+ unset($keys[$key]);
+ continue;
+ }
+}
+
+if (!$keys) {
echo pht('No keys found.')."\n";
exit(1);
}
$bin = $root.'/bin/ssh-exec';
-foreach ($rows as $row) {
- $user = $row['userName'];
+foreach ($keys as $ssh_key) {
+ $user = $ssh_key->getObject()->getUsername();
$cmd = csprintf('%s --phabricator-ssh-user %s', $bin, $user);
// This is additional escaping for the SSH 'command="..."' string.
@@ -30,13 +32,12 @@
// Strip out newlines and other nonsense from the key type and key body.
- $type = $row['keyType'];
+ $type = $ssh_key->getKeyType();
$type = preg_replace('@[\x00-\x20]+@', '', $type);
- $key = $row['keyBody'];
+ $key = $ssh_key->getKeyBody();
$key = preg_replace('@[\x00-\x20]+@', '', $key);
-
$options = array(
'command="'.$cmd.'"',
'no-port-forwarding',
diff --git a/src/__phutil_library_map__.php b/src/__phutil_library_map__.php
--- a/src/__phutil_library_map__.php
+++ b/src/__phutil_library_map__.php
@@ -1317,6 +1317,8 @@
'PhabricatorAuthProviderConfigTransactionQuery' => 'applications/auth/query/PhabricatorAuthProviderConfigTransactionQuery.php',
'PhabricatorAuthRegisterController' => 'applications/auth/controller/PhabricatorAuthRegisterController.php',
'PhabricatorAuthRevokeTokenController' => 'applications/auth/controller/PhabricatorAuthRevokeTokenController.php',
+ 'PhabricatorAuthSSHKeyQuery' => 'applications/auth/query/PhabricatorAuthSSHKeyQuery.php',
+ 'PhabricatorAuthSSHPublicKey' => 'applications/auth/storage/PhabricatorAuthSSHPublicKey.php',
'PhabricatorAuthSession' => 'applications/auth/storage/PhabricatorAuthSession.php',
'PhabricatorAuthSessionEngine' => 'applications/auth/engine/PhabricatorAuthSessionEngine.php',
'PhabricatorAuthSessionGarbageCollector' => 'applications/auth/garbagecollector/PhabricatorAuthSessionGarbageCollector.php',
@@ -4381,6 +4383,8 @@
'PhabricatorAuthProviderConfigTransactionQuery' => 'PhabricatorApplicationTransactionQuery',
'PhabricatorAuthRegisterController' => 'PhabricatorAuthController',
'PhabricatorAuthRevokeTokenController' => 'PhabricatorAuthController',
+ 'PhabricatorAuthSSHKeyQuery' => 'PhabricatorCursorPagedPolicyAwareQuery',
+ 'PhabricatorAuthSSHPublicKey' => 'Phobject',
'PhabricatorAuthSession' => array(
'PhabricatorAuthDAO',
'PhabricatorPolicyInterface',
@@ -5627,7 +5631,10 @@
'PhabricatorUserProfileEditor' => 'PhabricatorApplicationTransactionEditor',
'PhabricatorUserRealNameField' => 'PhabricatorUserCustomField',
'PhabricatorUserRolesField' => 'PhabricatorUserCustomField',
- 'PhabricatorUserSSHKey' => 'PhabricatorUserDAO',
+ 'PhabricatorUserSSHKey' => array(
+ 'PhabricatorUserDAO',
+ 'PhabricatorPolicyInterface',
+ ),
'PhabricatorUserSchemaSpec' => 'PhabricatorConfigSchemaSpec',
'PhabricatorUserSearchIndexer' => 'PhabricatorSearchDocumentIndexer',
'PhabricatorUserSinceField' => 'PhabricatorUserCustomField',
diff --git a/src/applications/auth/query/PhabricatorAuthSSHKeyQuery.php b/src/applications/auth/query/PhabricatorAuthSSHKeyQuery.php
new file mode 100644
--- /dev/null
+++ b/src/applications/auth/query/PhabricatorAuthSSHKeyQuery.php
@@ -0,0 +1,104 @@
+<?php
+
+final class PhabricatorAuthSSHKeyQuery
+ extends PhabricatorCursorPagedPolicyAwareQuery {
+
+ private $ids;
+ private $objectPHIDs;
+ private $keys;
+
+ public function withIDs(array $ids) {
+ $this->ids = $ids;
+ return $this;
+ }
+
+ public function withObjectPHIDs(array $object_phids) {
+ $this->objectPHIDs = $object_phids;
+ return $this;
+ }
+
+ public function withKeys(array $keys) {
+ assert_instances_of($keys, 'PhabricatorAuthSSHPublicKey');
+ $this->keys = $keys;
+ return $this;
+ }
+
+ protected function loadPage() {
+ $table = new PhabricatorUserSSHKey();
+ $conn_r = $table->establishConnection('r');
+
+ $data = queryfx_all(
+ $conn_r,
+ 'SELECT * FROM %T %Q %Q %Q',
+ $table->getTableName(),
+ $this->buildWhereClause($conn_r),
+ $this->buildOrderClause($conn_r),
+ $this->buildLimitClause($conn_r));
+
+ return $table->loadAllFromArray($data);
+ }
+
+ protected function willFilterPage(array $keys) {
+ $object_phids = mpull($keys, 'getObjectPHID');
+
+ $objects = id(new PhabricatorObjectQuery())
+ ->setViewer($this->getViewer())
+ ->setParentQuery($this)
+ ->withPHIDs($object_phids)
+ ->execute();
+ $objects = mpull($objects, null, 'getPHID');
+
+ foreach ($keys as $key => $ssh_key) {
+ $object = idx($objects, $ssh_key->getObjectPHID());
+ if (!$object) {
+ unset($keys[$key]);
+ continue;
+ }
+ $ssh_key->attachObject($object);
+ }
+
+ return $keys;
+ }
+
+ protected function buildWhereClause(AphrontDatabaseConnection $conn_r) {
+ $where = array();
+
+ if ($this->ids !== null) {
+ $where[] = qsprintf(
+ $conn_r,
+ 'id IN (%Ld)',
+ $this->ids);
+ }
+
+ if ($this->objectPHIDs !== null) {
+ $where[] = qsprintf(
+ $conn_r,
+ 'userPHID IN (%Ls)',
+ $this->objectPHIDs);
+ }
+
+ if ($this->keys !== null) {
+ // TODO: This could take advantage of a better key, and the hashing
+ // scheme for this table is a bit nonstandard and questionable.
+
+ $sql = array();
+ foreach ($this->keys as $key) {
+ $sql[] = qsprintf(
+ $conn_r,
+ '(keyType = %s AND keyBody = %s)',
+ $key->getType(),
+ $key->getBody());
+ }
+ $where[] = implode(' OR ', $sql);
+ }
+
+ $where[] = $this->buildPagingClause($conn_r);
+
+ return $this->formatWhereClause($where);
+ }
+
+ public function getQueryApplicationClass() {
+ return 'PhabricatorAuthApplication';
+ }
+
+}
diff --git a/src/applications/auth/storage/PhabricatorAuthSSHPublicKey.php b/src/applications/auth/storage/PhabricatorAuthSSHPublicKey.php
new file mode 100644
--- /dev/null
+++ b/src/applications/auth/storage/PhabricatorAuthSSHPublicKey.php
@@ -0,0 +1,86 @@
+<?php
+
+/**
+ * Data structure representing a raw public key.
+ */
+final class PhabricatorAuthSSHPublicKey extends Phobject {
+
+ private $type;
+ private $body;
+ private $comment;
+
+ private function __construct() {
+ // <internal>
+ }
+
+ public static function newFromRawKey($entire_key) {
+ $entire_key = trim($entire_key);
+ if (!strlen($entire_key)) {
+ throw new Exception(pht('No public key was provided.'));
+ }
+
+ $parts = str_replace("\n", '', $entire_key);
+
+ // The third field (the comment) can have spaces in it, so split this
+ // into a maximum of three parts.
+ $parts = preg_split('/\s+/', $parts, 3);
+
+ if (preg_match('/private\s*key/i', $entire_key)) {
+ // Try to give the user a better error message if it looks like
+ // they uploaded a private key.
+ throw new Exception(pht('Provide a public key, not a private key!'));
+ }
+
+ switch (count($parts)) {
+ case 1:
+ throw new Exception(
+ pht('Provided public key is not properly formatted.'));
+ case 2:
+ // Add an empty comment part.
+ $parts[] = '';
+ break;
+ case 3:
+ // This is the expected case.
+ break;
+ }
+
+ list($type, $body, $comment) = $parts;
+
+ $recognized_keys = array(
+ 'ssh-dsa',
+ 'ssh-dss',
+ 'ssh-rsa',
+ 'ecdsa-sha2-nistp256',
+ 'ecdsa-sha2-nistp384',
+ 'ecdsa-sha2-nistp521',
+ );
+
+ if (!in_array($type, $recognized_keys)) {
+ $type_list = implode(', ', $recognized_keys);
+ throw new Exception(
+ pht(
+ 'Public key type should be one of: %s',
+ $type_list));
+ }
+
+ $public_key = new PhabricatorAuthSSHPublicKey();
+ $public_key->type = $type;
+ $public_key->body = $body;
+ $public_key->comment = $comment;
+
+ return $public_key;
+ }
+
+ public function getType() {
+ return $this->type;
+ }
+
+ public function getBody() {
+ return $this->body;
+ }
+
+ public function getComment() {
+ return $this->comment;
+ }
+
+}
diff --git a/src/applications/settings/panel/PhabricatorSettingsPanelSSHKeys.php b/src/applications/settings/panel/PhabricatorSettingsPanelSSHKeys.php
--- a/src/applications/settings/panel/PhabricatorSettingsPanelSSHKeys.php
+++ b/src/applications/settings/panel/PhabricatorSettingsPanelSSHKeys.php
@@ -45,12 +45,16 @@
$id = nonempty($edit, $delete);
- if ($id && is_numeric($id)) {
- // NOTE: This prevents editing/deleting of keys not owned by the user.
- $key = id(new PhabricatorUserSSHKey())->loadOneWhere(
- 'userPHID = %s AND id = %d',
- $user->getPHID(),
- (int)$id);
+ if ($id) {
+ $key = id(new PhabricatorAuthSSHKeyQuery())
+ ->setViewer($viewer)
+ ->withIDs(array($id))
+ ->requireCapabilities(
+ array(
+ PhabricatorPolicyCapability::CAN_VIEW,
+ PhabricatorPolicyCapability::CAN_EDIT,
+ ))
+ ->executeOne();
if (!$key) {
return new Aphront404Response();
}
@@ -77,7 +81,11 @@
} else {
try {
- list($type, $body, $comment) = self::parsePublicKey($entire_key);
+ $public_key = PhabricatorAuthSSHPublicKey::newFromRawKey($entire_key);
+
+ $type = $public_key->getType();
+ $body = $public_key->getBody();
+ $comment = $public_key->getComment();
$key->setKeyType($type);
$key->setKeyBody($body);
@@ -153,9 +161,10 @@
$user = $this->getUser();
$viewer = $request->getUser();
- $keys = id(new PhabricatorUserSSHKey())->loadAllWhere(
- 'userPHID = %s',
- $user->getPHID());
+ $keys = id(new PhabricatorAuthSSHKeyQuery())
+ ->setViewer($viewer)
+ ->withObjectPHIDs(array($user->getPHID()))
+ ->execute();
$rows = array();
foreach ($keys as $key) {
@@ -294,7 +303,10 @@
'viewPolicy' => $viewer->getPHID(),
));
- list($type, $body, $comment) = self::parsePublicKey($public_key);
+ $public_key = PhabricatorAuthSSHPublicKey::newFromRawKey($public_key);
+
+ $type = $public_key->getType();
+ $body = $public_key->getBody();
$key = id(new PhabricatorUserSSHKey())
->setUserPHID($user->getPHID())
@@ -377,53 +389,4 @@
->setDialog($dialog);
}
- private static function parsePublicKey($entire_key) {
- $parts = str_replace("\n", '', trim($entire_key));
-
- // The third field (the comment) can have spaces in it, so split this
- // into a maximum of three parts.
- $parts = preg_split('/\s+/', $parts, 3);
-
- if (preg_match('/private\s*key/i', $entire_key)) {
- // Try to give the user a better error message if it looks like
- // they uploaded a private key.
- throw new Exception(
- pht('Provide your public key, not your private key!'));
- }
-
- switch (count($parts)) {
- case 1:
- throw new Exception(
- pht('Provided public key is not properly formatted.'));
- case 2:
- // Add an empty comment part.
- $parts[] = '';
- break;
- case 3:
- // This is the expected case.
- break;
- }
-
- list($type, $body, $comment) = $parts;
-
- $recognized_keys = array(
- 'ssh-dsa',
- 'ssh-dss',
- 'ssh-rsa',
- 'ecdsa-sha2-nistp256',
- 'ecdsa-sha2-nistp384',
- 'ecdsa-sha2-nistp521',
- );
-
- if (!in_array($type, $recognized_keys)) {
- $type_list = implode(', ', $recognized_keys);
- throw new Exception(
- pht(
- 'Public key type should be one of: %s',
- $type_list));
- }
-
- return array($type, $body, $comment);
- }
-
}
diff --git a/src/applications/settings/storage/PhabricatorUserSSHKey.php b/src/applications/settings/storage/PhabricatorUserSSHKey.php
--- a/src/applications/settings/storage/PhabricatorUserSSHKey.php
+++ b/src/applications/settings/storage/PhabricatorUserSSHKey.php
@@ -1,6 +1,8 @@
<?php
-final class PhabricatorUserSSHKey extends PhabricatorUserDAO {
+final class PhabricatorUserSSHKey
+ extends PhabricatorUserDAO
+ implements PhabricatorPolicyInterface {
protected $userPHID;
protected $name;
@@ -9,6 +11,12 @@
protected $keyHash;
protected $keyComment;
+ private $object = self::ATTACHABLE;
+
+ public function getObjectPHID() {
+ return $this->getUserPHID();
+ }
+
public function getConfiguration() {
return array(
self::CONFIG_COLUMN_SCHEMA => array(
@@ -42,4 +50,37 @@
return trim(implode(' ', $parts));
}
+ public function getObject() {
+ return $this->assertAttached($this->object);
+ }
+
+ public function attachObject($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(
+ 'SSH keys inherit the policies of the user or object they authenticate.');
+ }
+
}

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