366 lines
9.4 KiB
PHP
366 lines
9.4 KiB
PHP
<?php
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/**
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* ownCloud - Addressbook
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*
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* @author Jakob Sack
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* @copyright 2011 Jakob Sack mail@jakobsack.de
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU AFFERO GENERAL PUBLIC LICENSE
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* License as published by the Free Software Foundation; either
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* version 3 of the License, or any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU AFFERO GENERAL PUBLIC LICENSE for more details.
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*
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* You should have received a copy of the GNU Affero General Public
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* License along with this library. If not, see <http://www.gnu.org/licenses/>.
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*
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*/
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/*
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*
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* The following SQL statement is just a help for developers and will not be
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* executed!
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*
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* CREATE TABLE contacts_cards (
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* id INT(11) UNSIGNED NOT NULL PRIMARY KEY AUTO_INCREMENT,
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* addressbookid INT(11) UNSIGNED NOT NULL,
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* fullname VARCHAR(255),
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* carddata TEXT,
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* uri VARCHAR(100),
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* lastmodified INT(11) UNSIGNED
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* );
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*/
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/**
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* This class manages our vCards
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*/
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class OC_Contacts_VCard{
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/**
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* @brief Returns all cards of an address book
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* @param integer $id
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* @return array
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*
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* The cards are associative arrays. You'll find the original vCard in
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* ['carddata']
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*/
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public static function all($id){
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$stmt = OC_DB::prepare( 'SELECT * FROM *PREFIX*contacts_cards WHERE addressbookid = ?' );
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$result = $stmt->execute(array($id));
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$addressbooks = array();
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while( $row = $result->fetchRow()){
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$addressbooks[] = $row;
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}
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return $addressbooks;
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}
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/**
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* @brief Returns a card
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* @param integer $id
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* @return associative array
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*/
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public static function find($id){
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$stmt = OC_DB::prepare( 'SELECT * FROM *PREFIX*contacts_cards WHERE id = ?' );
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$result = $stmt->execute(array($id));
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return $result->fetchRow();
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}
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/**
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* @brief finds a card by its DAV Data
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* @param integer $aid Addressbook id
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* @param string $uri the uri ('filename')
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* @return associative array
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*/
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public static function findWhereDAVDataIs($aid,$uri){
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$stmt = OC_DB::prepare( 'SELECT * FROM *PREFIX*contacts_cards WHERE addressbookid = ? AND uri = ?' );
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$result = $stmt->execute(array($aid,$uri));
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return $result->fetchRow();
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}
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/**
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* @brief Adds a card
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* @param integer $id Addressbook id
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* @param string $data vCard file
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* @return insertid
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*/
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public static function add($id,$data){
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$fn = null;
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$uri = null;
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$card = self::parse($data);
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if(!is_null($card)){
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foreach($card->children as $property){
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if($property->name == 'FN'){
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$fn = $property->value;
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}
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elseif(is_null($uri) && $property->name == 'UID' ){
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$uri = $property->value.'.vcf';
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}
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}
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if(is_null($uri)){
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$uid = self::createUID();
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$uri = $uid.'.vcf';
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$card->add(new Sabre_VObject_Property('UID',$uid));
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$data = $card->serialize();
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};
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}
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else{
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// that's hard. Creating a UID and not saving it
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$uid = self::createUID();
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$uri = $uid.'.vcf';
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};
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$stmt = OC_DB::prepare( 'INSERT INTO *PREFIX*contacts_cards (addressbookid,fullname,carddata,uri,lastmodified) VALUES(?,?,?,?,?)' );
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$result = $stmt->execute(array($id,$fn,$data,$uri,time()));
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OC_Contacts_Addressbook::touch($id);
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return OC_DB::insertid('*PREFIX*contacts_cards');
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}
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/**
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* @brief Adds a card with the data provided by sabredav
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* @param integer $id Addressbook id
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* @param string $uri the uri the card will have
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* @param string $data vCard file
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* @return insertid
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*/
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public static function addFromDAVData($id,$uri,$data){
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$fn = null;
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$card = self::parse($data);
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if(!is_null($card)){
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foreach($card->children as $property){
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if($property->name == 'FN'){
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$fn = $property->value;
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}
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}
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}
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$stmt = OC_DB::prepare( 'INSERT INTO *PREFIX*contacts_cards (addressbookid,fullname,carddata,uri,lastmodified) VALUES(?,?,?,?,?)' );
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$result = $stmt->execute(array($id,$fn,$data,$uri,time()));
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OC_Contacts_Addressbook::touch($id);
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return OC_DB::insertid('*PREFIX*contacts_cards');
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}
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/**
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* @brief edits a card
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* @param integer $id id of card
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* @param string $data vCard file
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* @return boolean
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*/
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public static function edit($id, $data){
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$oldcard = self::find($id);
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$fn = null;
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$card = self::parse($data);
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if(!is_null($card)){
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foreach($card->children as $property){
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if($property->name == 'FN'){
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$fn = $property->value;
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}
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}
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}
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$stmt = OC_DB::prepare( 'UPDATE *PREFIX*contacts_cards SET fullname = ?,carddata = ?, lastmodified = ? WHERE id = ?' );
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$result = $stmt->execute(array($fn,$data,time(),$id));
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OC_Contacts_Addressbook::touch($oldcard['addressbookid']);
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return true;
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}
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/**
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* @brief edits a card with the data provided by sabredav
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* @param integer $id Addressbook id
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* @param string $uri the uri of the card
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* @param string $data vCard file
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* @return boolean
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*/
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public static function editFromDAVData($aid,$uri,$data){
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$oldcard = self::findWhereDAVDataIs($aid,$uri);
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$fn = null;
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$card = self::parse($data);
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if(!is_null($card)){
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foreach($card->children as $property){
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if($property->name == 'FN'){
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$fn = $property->value;
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}
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}
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}
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$stmt = OC_DB::prepare( 'UPDATE *PREFIX*contacts_cards SET fullname = ?,carddata = ?, lastmodified = ? WHERE id = ?' );
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$result = $stmt->execute(array($fn,$data,time(),$oldcard['id']));
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OC_Contacts_Addressbook::touch($oldcard['addressbookid']);
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return true;
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}
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/**
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* @brief deletes a card
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* @param integer $id id of card
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* @return boolean
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*/
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public static function delete($id){
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$stmt = OC_DB::prepare( 'DELETE FROM *PREFIX*contacts_cards WHERE id = ?' );
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$stmt->execute(array($id));
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return true;
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}
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/**
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* @brief Creates a UID
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* @return string
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*/
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public static function createUID(){
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return substr(md5(rand().time()),0,10);
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}
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/**
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* @brief deletes a card with the data provided by sabredav
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* @param integer $aid Addressbook id
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* @param string $uri the uri of the card
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* @return boolean
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*/
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public static function deleteFromDAVData($aid,$uri){
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$stmt = OC_DB::prepare( 'DELETE FROM *PREFIX*contacts_cards WHERE addressbookid = ? AND uri=?' );
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$stmt->execute(array($aid,$uri));
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return true;
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}
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/**
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* @brief Escapes semicolons
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* @param string $value
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* @return string
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*/
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public static function escapeSemicolons($value){
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foreach($value as &$i ){
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$i = implode("\\\\;", explode(';', $i));
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}
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return implode(';',$value);
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}
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/**
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* @brief Creates an array out of a multivalue property
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* @param string $value
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* @return array
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*/
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public static function unescapeSemicolons($value){
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$array = explode(';',$value);
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for($i=0;$i<count($array);$i++){
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if(substr($array[$i],-2,2)=="\\\\"){
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if(isset($array[$i+1])){
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$array[$i] = substr($array[$i],0,count($array[$i])-2).';'.$array[$i+1];
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unset($array[$i+1]);
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}
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else{
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$array[$i] = substr($array[$i],0,count($array[$i])-2).';';
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}
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$i = $i - 1;
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}
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}
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return $array;
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}
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/**
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* @brief Add property to vcard object
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* @param object $vcard
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* @param object $name of property
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* @param object $value of property
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* @param object $paramerters of property
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*/
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public static function addVCardProperty($vcard, $name, $value, $parameters=array()){
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if(is_array($value)){
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$value = OC_Contacts_VCard::escapeSemicolons($value);
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}
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$property = new Sabre_VObject_Property( $name, $value );
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$parameternames = array_keys($parameters);
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foreach($parameternames as $i){
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$property->parameters[] = new Sabre_VObject_Parameter($i,$parameters[$i]);
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}
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$vcard->add($property);
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return $property;
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}
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/**
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* @brief Data structure of vCard
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* @param object $property
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* @return associative array
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*
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* look at code ...
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*/
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public static function structureContact($object){
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$details = array();
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foreach($object->children as $property){
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$temp = self::structureProperty($property);
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if(array_key_exists($property->name,$details)){
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$details[$property->name][] = $temp;
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}
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else{
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$details[$property->name] = array($temp);
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}
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}
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return $details;
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}
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/**
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* @brief Data structure of properties
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* @param object $property
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* @return associative array
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*
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* returns an associative array with
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* ['name'] name of property
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* ['value'] htmlspecialchars escaped value of property
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* ['parameters'] associative array name=>value
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* ['checksum'] checksum of whole property
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*/
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public static function structureProperty($property){
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$value = $property->value;
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$value = htmlspecialchars($value);
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if($property->name == 'ADR' || $property->name == 'N'){
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$value = self::unescapeSemicolons($value);
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}
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$temp = array(
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'name' => $property->name,
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'value' => $value,
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'parameters' => array(),
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'checksum' => md5($property->serialize()));
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foreach($property->parameters as $parameter){
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// Faulty entries by kaddressbook
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if($parameter->name == 'TYPE' && $parameter->value == 'PREF'){
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$parameter->name = 'PREF';
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$parameter->value = '1';
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}
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$temp['parameters'][$parameter->name] = $parameter->value;
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}
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return $temp;
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}
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/**
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* @brief Parses a vcard file
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* @param string vCard
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* @return Sabre_VObject or null
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*
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* Will retun the vobject if sabre DAV is able to parse the file.
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*/
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public static function parse($data){
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try {
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$card = Sabre_VObject_Reader::read($data);
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return $card;
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} catch (Exception $e) {
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return null;
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}
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}
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}
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