diff options
Diffstat (limited to '3rdparty/Sabre/DAVACL/PrincipalBackend/PDO.php')
-rwxr-xr-x | 3rdparty/Sabre/DAVACL/PrincipalBackend/PDO.php | 427 |
1 files changed, 427 insertions, 0 deletions
diff --git a/3rdparty/Sabre/DAVACL/PrincipalBackend/PDO.php b/3rdparty/Sabre/DAVACL/PrincipalBackend/PDO.php new file mode 100755 index 00000000000..a76b4a9d727 --- /dev/null +++ b/3rdparty/Sabre/DAVACL/PrincipalBackend/PDO.php @@ -0,0 +1,427 @@ +<?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)); + + } + + } + +} |