mirror of
https://git.friendi.ca/friendica/friendica-addons.git
synced 2024-11-05 16:02:59 +00:00
427 lines
13 KiB
PHP
427 lines
13 KiB
PHP
<?php
|
|
|
|
/**
|
|
* PDO principal backend
|
|
*
|
|
* This is a simple principal backend that maps exactly to the users table, as
|
|
* used by Sabre_DAV_Auth_Backend_PDO.
|
|
*
|
|
* It assumes all principals are in a single collection. The default collection
|
|
* is 'principals/', but this can be overriden.
|
|
*
|
|
* @package Sabre
|
|
* @subpackage DAVACL
|
|
* @copyright Copyright (C) 2007-2012 Rooftop Solutions. All rights reserved.
|
|
* @author Evert Pot (http://www.rooftopsolutions.nl/)
|
|
* @license http://code.google.com/p/sabredav/wiki/License Modified BSD License
|
|
*/
|
|
class Sabre_DAVACL_PrincipalBackend_PDO implements Sabre_DAVACL_IPrincipalBackend {
|
|
|
|
/**
|
|
* pdo
|
|
*
|
|
* @var PDO
|
|
*/
|
|
protected $pdo;
|
|
|
|
/**
|
|
* PDO table name for 'principals'
|
|
*
|
|
* @var string
|
|
*/
|
|
protected $tableName;
|
|
|
|
/**
|
|
* PDO table name for 'group members'
|
|
*
|
|
* @var string
|
|
*/
|
|
protected $groupMembersTableName;
|
|
|
|
/**
|
|
* A list of additional fields to support
|
|
*
|
|
* @var array
|
|
*/
|
|
protected $fieldMap = array(
|
|
|
|
/**
|
|
* This property can be used to display the users' real name.
|
|
*/
|
|
'{DAV:}displayname' => array(
|
|
'dbField' => 'displayname',
|
|
),
|
|
|
|
/**
|
|
* This property is actually used by the CardDAV plugin, where it gets
|
|
* mapped to {http://calendarserver.orgi/ns/}me-card.
|
|
*
|
|
* The reason we don't straight-up use that property, is because
|
|
* me-card is defined as a property on the users' addressbook
|
|
* collection.
|
|
*/
|
|
'{http://sabredav.org/ns}vcard-url' => array(
|
|
'dbField' => 'vcardurl',
|
|
),
|
|
/**
|
|
* This is the users' primary email-address.
|
|
*/
|
|
'{http://sabredav.org/ns}email-address' => array(
|
|
'dbField' => 'email',
|
|
),
|
|
);
|
|
|
|
/**
|
|
* Sets up the backend.
|
|
*
|
|
* @param PDO $pdo
|
|
* @param string $tableName
|
|
* @param string $groupMembersTableName
|
|
*/
|
|
public function __construct(PDO $pdo, $tableName = 'principals', $groupMembersTableName = 'groupmembers') {
|
|
|
|
$this->pdo = $pdo;
|
|
$this->tableName = $tableName;
|
|
$this->groupMembersTableName = $groupMembersTableName;
|
|
|
|
}
|
|
|
|
|
|
/**
|
|
* Returns a list of principals based on a prefix.
|
|
*
|
|
* This prefix will often contain something like 'principals'. You are only
|
|
* expected to return principals that are in this base path.
|
|
*
|
|
* You are expected to return at least a 'uri' for every user, you can
|
|
* return any additional properties if you wish so. Common properties are:
|
|
* {DAV:}displayname
|
|
* {http://sabredav.org/ns}email-address - This is a custom SabreDAV
|
|
* field that's actualy injected in a number of other properties. If
|
|
* you have an email address, use this property.
|
|
*
|
|
* @param string $prefixPath
|
|
* @return array
|
|
*/
|
|
public function getPrincipalsByPrefix($prefixPath) {
|
|
|
|
$fields = array(
|
|
'uri',
|
|
);
|
|
|
|
foreach($this->fieldMap as $key=>$value) {
|
|
$fields[] = $value['dbField'];
|
|
}
|
|
$result = $this->pdo->query('SELECT '.implode(',', $fields).' FROM '. $this->tableName);
|
|
|
|
$principals = array();
|
|
|
|
while($row = $result->fetch(PDO::FETCH_ASSOC)) {
|
|
|
|
// Checking if the principal is in the prefix
|
|
list($rowPrefix) = Sabre_DAV_URLUtil::splitPath($row['uri']);
|
|
if ($rowPrefix !== $prefixPath) continue;
|
|
|
|
$principal = array(
|
|
'uri' => $row['uri'],
|
|
);
|
|
foreach($this->fieldMap as $key=>$value) {
|
|
if ($row[$value['dbField']]) {
|
|
$principal[$key] = $row[$value['dbField']];
|
|
}
|
|
}
|
|
$principals[] = $principal;
|
|
|
|
}
|
|
|
|
return $principals;
|
|
|
|
}
|
|
|
|
/**
|
|
* Returns a specific principal, specified by it's path.
|
|
* The returned structure should be the exact same as from
|
|
* getPrincipalsByPrefix.
|
|
*
|
|
* @param string $path
|
|
* @return array
|
|
*/
|
|
public function getPrincipalByPath($path) {
|
|
|
|
$fields = array(
|
|
'id',
|
|
'uri',
|
|
);
|
|
|
|
foreach($this->fieldMap as $key=>$value) {
|
|
$fields[] = $value['dbField'];
|
|
}
|
|
$stmt = $this->pdo->prepare('SELECT '.implode(',', $fields).' FROM '. $this->tableName . ' WHERE uri = ?');
|
|
$stmt->execute(array($path));
|
|
|
|
$row = $stmt->fetch(PDO::FETCH_ASSOC);
|
|
if (!$row) return;
|
|
|
|
$principal = array(
|
|
'id' => $row['id'],
|
|
'uri' => $row['uri'],
|
|
);
|
|
foreach($this->fieldMap as $key=>$value) {
|
|
if ($row[$value['dbField']]) {
|
|
$principal[$key] = $row[$value['dbField']];
|
|
}
|
|
}
|
|
return $principal;
|
|
|
|
}
|
|
|
|
/**
|
|
* Updates one ore more webdav properties on a principal.
|
|
*
|
|
* The list of mutations is supplied as an array. Each key in the array is
|
|
* a propertyname, such as {DAV:}displayname.
|
|
*
|
|
* Each value is the actual value to be updated. If a value is null, it
|
|
* must be deleted.
|
|
*
|
|
* This method should be atomic. It must either completely succeed, or
|
|
* completely fail. Success and failure can simply be returned as 'true' or
|
|
* 'false'.
|
|
*
|
|
* It is also possible to return detailed failure information. In that case
|
|
* an array such as this should be returned:
|
|
*
|
|
* array(
|
|
* 200 => array(
|
|
* '{DAV:}prop1' => null,
|
|
* ),
|
|
* 201 => array(
|
|
* '{DAV:}prop2' => null,
|
|
* ),
|
|
* 403 => array(
|
|
* '{DAV:}prop3' => null,
|
|
* ),
|
|
* 424 => array(
|
|
* '{DAV:}prop4' => null,
|
|
* ),
|
|
* );
|
|
*
|
|
* In this previous example prop1 was successfully updated or deleted, and
|
|
* prop2 was succesfully created.
|
|
*
|
|
* prop3 failed to update due to '403 Forbidden' and because of this prop4
|
|
* also could not be updated with '424 Failed dependency'.
|
|
*
|
|
* This last example was actually incorrect. While 200 and 201 could appear
|
|
* in 1 response, if there's any error (403) the other properties should
|
|
* always fail with 423 (failed dependency).
|
|
*
|
|
* But anyway, if you don't want to scratch your head over this, just
|
|
* return true or false.
|
|
*
|
|
* @param string $path
|
|
* @param array $mutations
|
|
* @return array|bool
|
|
*/
|
|
public function updatePrincipal($path, $mutations) {
|
|
|
|
$updateAble = array();
|
|
foreach($mutations as $key=>$value) {
|
|
|
|
// We are not aware of this field, we must fail.
|
|
if (!isset($this->fieldMap[$key])) {
|
|
|
|
$response = array(
|
|
403 => array(
|
|
$key => null,
|
|
),
|
|
424 => array(),
|
|
);
|
|
|
|
// Adding the rest to the response as a 424
|
|
foreach($mutations as $subKey=>$subValue) {
|
|
if ($subKey !== $key) {
|
|
$response[424][$subKey] = null;
|
|
}
|
|
}
|
|
return $response;
|
|
}
|
|
|
|
$updateAble[$this->fieldMap[$key]['dbField']] = $value;
|
|
|
|
}
|
|
|
|
// No fields to update
|
|
$query = "UPDATE " . $this->tableName . " SET ";
|
|
|
|
$first = true;
|
|
foreach($updateAble as $key => $value) {
|
|
if (!$first) {
|
|
$query.= ', ';
|
|
}
|
|
$first = false;
|
|
$query.= "$key = :$key ";
|
|
}
|
|
$query.='WHERE uri = :uri';
|
|
$stmt = $this->pdo->prepare($query);
|
|
$updateAble['uri'] = $path;
|
|
$stmt->execute($updateAble);
|
|
|
|
return true;
|
|
|
|
}
|
|
|
|
/**
|
|
* This method is used to search for principals matching a set of
|
|
* properties.
|
|
*
|
|
* This search is specifically used by RFC3744's principal-property-search
|
|
* REPORT. You should at least allow searching on
|
|
* http://sabredav.org/ns}email-address.
|
|
*
|
|
* The actual search should be a unicode-non-case-sensitive search. The
|
|
* keys in searchProperties are the WebDAV property names, while the values
|
|
* are the property values to search on.
|
|
*
|
|
* If multiple properties are being searched on, the search should be
|
|
* AND'ed.
|
|
*
|
|
* This method should simply return an array with full principal uri's.
|
|
*
|
|
* If somebody attempted to search on a property the backend does not
|
|
* support, you should simply return 0 results.
|
|
*
|
|
* You can also just return 0 results if you choose to not support
|
|
* searching at all, but keep in mind that this may stop certain features
|
|
* from working.
|
|
*
|
|
* @param string $prefixPath
|
|
* @param array $searchProperties
|
|
* @return array
|
|
*/
|
|
public function searchPrincipals($prefixPath, array $searchProperties) {
|
|
|
|
$query = 'SELECT uri FROM ' . $this->tableName . ' WHERE 1=1 ';
|
|
$values = array();
|
|
foreach($searchProperties as $property => $value) {
|
|
|
|
switch($property) {
|
|
|
|
case '{DAV:}displayname' :
|
|
$query.=' AND displayname LIKE ?';
|
|
$values[] = '%' . $value . '%';
|
|
break;
|
|
case '{http://sabredav.org/ns}email-address' :
|
|
$query.=' AND email LIKE ?';
|
|
$values[] = '%' . $value . '%';
|
|
break;
|
|
default :
|
|
// Unsupported property
|
|
return array();
|
|
|
|
}
|
|
|
|
}
|
|
$stmt = $this->pdo->prepare($query);
|
|
$stmt->execute($values);
|
|
|
|
$principals = array();
|
|
while($row = $stmt->fetch(PDO::FETCH_ASSOC)) {
|
|
|
|
// Checking if the principal is in the prefix
|
|
list($rowPrefix) = Sabre_DAV_URLUtil::splitPath($row['uri']);
|
|
if ($rowPrefix !== $prefixPath) continue;
|
|
|
|
$principals[] = $row['uri'];
|
|
|
|
}
|
|
|
|
return $principals;
|
|
|
|
}
|
|
|
|
/**
|
|
* Returns the list of members for a group-principal
|
|
*
|
|
* @param string $principal
|
|
* @return array
|
|
*/
|
|
public function getGroupMemberSet($principal) {
|
|
|
|
$principal = $this->getPrincipalByPath($principal);
|
|
if (!$principal) throw new Sabre_DAV_Exception('Principal not found');
|
|
|
|
$stmt = $this->pdo->prepare('SELECT principals.uri as uri FROM '.$this->groupMembersTableName.' AS groupmembers LEFT JOIN '.$this->tableName.' AS principals ON groupmembers.member_id = principals.id WHERE groupmembers.principal_id = ?');
|
|
$stmt->execute(array($principal['id']));
|
|
|
|
$result = array();
|
|
while ($row = $stmt->fetch(PDO::FETCH_ASSOC)) {
|
|
$result[] = $row['uri'];
|
|
}
|
|
return $result;
|
|
|
|
}
|
|
|
|
/**
|
|
* Returns the list of groups a principal is a member of
|
|
*
|
|
* @param string $principal
|
|
* @return array
|
|
*/
|
|
public function getGroupMembership($principal) {
|
|
|
|
$principal = $this->getPrincipalByPath($principal);
|
|
if (!$principal) throw new Sabre_DAV_Exception('Principal not found');
|
|
|
|
$stmt = $this->pdo->prepare('SELECT principals.uri as uri FROM '.$this->groupMembersTableName.' AS groupmembers LEFT JOIN '.$this->tableName.' AS principals ON groupmembers.principal_id = principals.id WHERE groupmembers.member_id = ?');
|
|
$stmt->execute(array($principal['id']));
|
|
|
|
$result = array();
|
|
while ($row = $stmt->fetch(PDO::FETCH_ASSOC)) {
|
|
$result[] = $row['uri'];
|
|
}
|
|
return $result;
|
|
|
|
}
|
|
|
|
/**
|
|
* Updates the list of group members for a group principal.
|
|
*
|
|
* The principals should be passed as a list of uri's.
|
|
*
|
|
* @param string $principal
|
|
* @param array $members
|
|
* @return void
|
|
*/
|
|
public function setGroupMemberSet($principal, array $members) {
|
|
|
|
// Grabbing the list of principal id's.
|
|
$stmt = $this->pdo->prepare('SELECT id, uri FROM '.$this->tableName.' WHERE uri IN (? ' . str_repeat(', ? ', count($members)) . ');');
|
|
$stmt->execute(array_merge(array($principal), $members));
|
|
|
|
$memberIds = array();
|
|
$principalId = null;
|
|
|
|
while($row = $stmt->fetch(PDO::FETCH_ASSOC)) {
|
|
if ($row['uri'] == $principal) {
|
|
$principalId = $row['id'];
|
|
} else {
|
|
$memberIds[] = $row['id'];
|
|
}
|
|
}
|
|
if (!$principalId) throw new Sabre_DAV_Exception('Principal not found');
|
|
|
|
// Wiping out old members
|
|
$stmt = $this->pdo->prepare('DELETE FROM '.$this->groupMembersTableName.' WHERE principal_id = ?;');
|
|
$stmt->execute(array($principalId));
|
|
|
|
foreach($memberIds as $memberId) {
|
|
|
|
$stmt = $this->pdo->prepare('INSERT INTO '.$this->groupMembersTableName.' (principal_id, member_id) VALUES (?, ?);');
|
|
$stmt->execute(array($principalId, $memberId));
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|