517 lines
16 KiB
PHP
517 lines
16 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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* @copyright 2012 Thomas Tanghus <thomas@tanghus.net>
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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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$result = null;
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if(is_array($id)) {
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$id_sql = join(',', array_fill(0, count($id), '?'));
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$prep = 'SELECT * FROM *PREFIX*contacts_cards WHERE addressbookid IN ('.$id_sql.') ORDER BY fullname';
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try {
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$stmt = OC_DB::prepare( $prep );
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$result = $stmt->execute($id);
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} catch(Exception $e) {
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OC_Log::write('contacts','OC_Contacts_VCard:all:, exception: '.$e->getMessage(),OC_Log::DEBUG);
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OC_Log::write('contacts','OC_Contacts_VCard:all, ids: '.join(',', $id),OC_Log::DEBUG);
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OC_Log::write('contacts','SQL:'.$prep,OC_Log::DEBUG);
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}
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} elseif($id) {
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try {
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$stmt = OC_DB::prepare( 'SELECT * FROM *PREFIX*contacts_cards WHERE addressbookid = ? ORDER BY fullname' );
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$result = $stmt->execute(array($id));
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} catch(Exception $e) {
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OC_Log::write('contacts','OC_Contacts_VCard:all:, exception: '.$e->getMessage(),OC_Log::DEBUG);
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OC_Log::write('contacts','OC_Contacts_VCard:all, ids: '. $id,OC_Log::DEBUG);
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}
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}
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$cards = array();
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if(!is_null($result)) {
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while( $row = $result->fetchRow()){
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$cards[] = $row;
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}
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}
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return $cards;
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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 Format property TYPE parameters for upgrading from v. 2.1
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* @param $property Reference to a Sabre_VObject_Property.
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* In version 2.1 e.g. a phone can be formatted like: TEL;HOME;CELL:123456789
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* This has to be changed to either TEL;TYPE=HOME,CELL:123456789 or TEL;TYPE=HOME;TYPE=CELL:123456789 - both are valid.
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*/
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public static function formatPropertyTypes(&$property) {
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foreach($property->parameters as $key=>&$parameter){
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$types = OC_Contacts_App::getTypesOfProperty($property->name);
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if(is_array($types) && in_array(strtoupper($parameter->name), array_keys($types)) || strtoupper($parameter->name) == 'PREF') {
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$property->parameters[] = new Sabre_VObject_Parameter('TYPE', $parameter->name);
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}
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unset($property->parameters[$key]);
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}
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}
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/**
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* @brief Decode properties for upgrading from v. 2.1
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* @param $property Reference to a Sabre_VObject_Property.
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* The only encoding allowed in version 3.0 is 'b' for binary. All encoded strings
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* must therefor be decoded and the parameters removed.
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*/
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public static function decodeProperty(&$property) {
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// Check out for encoded string and decode them :-[
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foreach($property->parameters as $key=>&$parameter){
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if(strtoupper($parameter->name) == 'ENCODING') {
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if(strtoupper($parameter->value) == 'QUOTED-PRINTABLE') { // what kind of other encodings could be used?
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$property->value = quoted_printable_decode($property->value);
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unset($property->parameters[$key]);
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}
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} elseif(strtoupper($parameter->name) == 'CHARSET') {
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unset($property->parameters[$key]);
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}
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}
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}
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/**
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* @brief Tries to update imported VCards to adhere to rfc2426 (VERSION: 3.0)
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* @param vcard An OC_VObject of type VCARD (passed by reference).
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*/
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protected static function updateValuesFromAdd(&$vcard) { // any suggestions for a better method name? ;-)
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$stringprops = array('N', 'FN', 'ORG', 'NICK', 'ADR', 'NOTE');
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$typeprops = array('ADR', 'TEL', 'EMAIL');
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$upgrade = false;
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$fn = $n = $uid = $email = $org = null;
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$version = $vcard->getAsString('VERSION');
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// Add version if needed
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if($version && $version < '3.0') {
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$upgrade = true;
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OC_Log::write('contacts','OC_Contacts_VCard::updateValuesFromAdd. Updating from version: '.$version,OC_Log::DEBUG);
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}
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foreach($vcard->children as &$property){
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// Decode string properties and remove obsolete properties.
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if($upgrade && in_array($property->name, $stringprops)) {
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self::decodeProperty($property);
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}
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// Fix format of type parameters.
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if($upgrade && in_array($property->name, $typeprops)) {
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OC_Log::write('contacts','OC_Contacts_VCard::updateValuesFromAdd. before: '.$property->serialize(),OC_Log::DEBUG);
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self::formatPropertyTypes($property);
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OC_Log::write('contacts','OC_Contacts_VCard::updateValuesFromAdd. after: '.$property->serialize(),OC_Log::DEBUG);
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}
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if($property->name == 'FN'){
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$fn = $property->value;
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}
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if($property->name == 'N'){
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$n = $property->value;
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}
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if($property->name == 'UID'){
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$uid = $property->value;
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}
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if($property->name == 'ORG'){
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$org = $property->value;
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}
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if($property->name == 'EMAIL' && is_null($email)){ // only use the first email as substitute for missing N or FN.
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$email = $property->value;
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}
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}
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// Check for missing 'N', 'FN' and 'UID' properties
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if(!$fn) {
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if($n && $n != ';;;;'){
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$fn = join(' ', array_reverse(array_slice(explode(';', $n), 0, 2)));
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} elseif($email) {
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$fn = $email;
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} elseif($org) {
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$fn = $org;
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} else {
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$fn = 'Unknown Name';
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}
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$vcard->setString('FN', $fn);
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OC_Log::write('contacts','OC_Contacts_VCard::updateValuesFromAdd. Added missing \'FN\' field: '.$fn,OC_Log::DEBUG);
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}
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if(!$n || $n = ';;;;'){ // Fix missing 'N' field. Ugly hack ahead ;-)
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$slice = array_reverse(array_slice(explode(' ', $fn), 0, 2)); // Take 2 first name parts of 'FN' and reverse.
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if(count($slice) < 2) { // If not enought, add one more...
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$slice[] = "";
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}
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$n = implode(';', $slice).';;;';
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$vcard->setString('N', $n);
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OC_Log::write('contacts','OC_Contacts_VCard::updateValuesFromAdd. Added missing \'N\' field: '.$n,OC_Log::DEBUG);
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}
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if(!$uid) {
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$vcard->setUID();
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OC_Log::write('contacts','OC_Contacts_VCard::updateValuesFromAdd. Added missing \'UID\' field: '.$uid,OC_Log::DEBUG);
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}
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$vcard->setString('VERSION','3.0');
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// Add product ID is missing.
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$prodid = trim($vcard->getAsString('PRODID'));
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if(!$prodid) {
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$appinfo = OC_App::getAppInfo('contacts');
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$prodid = '-//ownCloud//NONSGML '.$appinfo['name'].' '.$appinfo['version'].'//EN';
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$vcard->setString('PRODID', $prodid);
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}
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$now = new DateTime;
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$vcard->setString('REV', $now->format(DateTime::W3C));
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}
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/**
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* @brief Adds a card
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* @param integer $aid Addressbook id
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* @param OC_VObject $card vCard file
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* @param string $uri the uri of the card, default based on the UID
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* @return insertid on success or null if no card.
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*/
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public static function add($aid, OC_VObject $card, $uri=null){
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if(is_null($card)){
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OC_Log::write('contacts','OC_Contacts_VCard::add. No vCard supplied', OC_Log::ERROR);
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return null;
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};
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OC_Contacts_App::loadCategoriesFromVCard($card);
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self::updateValuesFromAdd($card);
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$fn = $card->getAsString('FN');
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if (empty($fn)) {
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$fn = null;
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}
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if (!$uri) {
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$uid = $card->getAsString('UID');
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$uri = $uid.'.vcf';
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}
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$data = $card->serialize();
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$stmt = OC_DB::prepare( 'INSERT INTO *PREFIX*contacts_cards (addressbookid,fullname,carddata,uri,lastmodified) VALUES(?,?,?,?,?)' );
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$result = $stmt->execute(array($aid,$fn,$data,$uri,time()));
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$newid = OC_DB::insertid('*PREFIX*contacts_cards');
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OC_Contacts_Addressbook::touch($aid);
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return $newid;
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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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$card = OC_VObject::parse($data);
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return self::add($id, $card, $uri);
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}
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/**
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* @brief Mass updates an array of cards
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* @param array $objects An array of [id, carddata].
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*/
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public static function updateDataByID($objects){
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$stmt = OC_DB::prepare( 'UPDATE *PREFIX*contacts_cards SET carddata = ?, lastmodified = ? WHERE id = ?' );
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$now = new DateTime;
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foreach($objects as $object) {
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$vcard = OC_VObject::parse($object[1]);
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if(!is_null($vcard)){
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$vcard->setString('REV', $now->format(DateTime::W3C));
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$data = $vcard->serialize();
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try {
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$result = $stmt->execute(array($data,time(),$object[0]));
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//OC_Log::write('contacts','OC_Contacts_VCard::updateDataByID, id: '.$object[0].': '.$object[1],OC_Log::DEBUG);
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} catch(Exception $e) {
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OC_Log::write('contacts','OC_Contacts_VCard::updateDataByID:, exception: '.$e->getMessage(),OC_Log::DEBUG);
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OC_Log::write('contacts','OC_Contacts_VCard::updateDataByID, id: '.$object[0],OC_Log::DEBUG);
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}
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}
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}
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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 OC_VObject $card vCard file
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* @return boolean
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*/
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public static function edit($id, OC_VObject $card){
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$oldcard = self::find($id);
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if(is_null($card)) {
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return false;
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}
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OC_Contacts_App::loadCategoriesFromVCard($card);
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$fn = $card->getAsString('FN');
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if (empty($fn)) {
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$fn = null;
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}
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$now = new DateTime;
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$card->setString('REV', $now->format(DateTime::W3C));
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$data = $card->serialize();
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$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,$uri);
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$card = OC_VObject::parse($data);
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return self::edit($oldcard['id'], $card);
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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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// FIXME: Add error checking.
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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 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,$uri){
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// FIXME: Add error checking. Deleting a card gives an Kontact/Akonadi error.
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$stmt = OC_DB::prepare( 'DELETE FROM *PREFIX*contacts_cards WHERE addressbookid = ? AND uri=?' );
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$stmt->execute(array($aid,$uri));
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OC_Contacts_Addressbook::touch($aid);
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return true;
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}
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/**
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* @brief Escapes delimiters from an array and returns a string.
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* @param array $value
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* @param char $delimiter
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* @return string
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*/
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public static function escapeDelimiters($value, $delimiter=';') {
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foreach($value as &$i ) {
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$i = implode("\\$delimiter", explode($delimiter, $i));
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}
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return implode($delimiter, $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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* @param char $delimiter
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* @return array
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*/
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public static function unescapeDelimiters($value, $delimiter=';') {
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$array = explode($delimiter,$value);
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for($i=0;$i<count($array);$i++) {
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if(substr($array[$i],-1,1)=="\\") {
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if(isset($array[$i+1])) {
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$array[$i] = substr($array[$i],0,count($array[$i])-2).$delimiter.$array[$i+1];
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unset($array[$i+1]);
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} else {
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$array[$i] = substr($array[$i],0,count($array[$i])-2).$delimiter;
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}
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$i = $i - 1;
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}
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}
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$array = array_map('trim', $array);
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return $array;
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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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* NOTE: $value is not escaped anymore. It shouldn't make any difference
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* but we should look out for any problems.
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*/
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public static function structureProperty($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::unescapeDelimiters($value);
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}/* elseif($property->name == 'CATEGORIES') {
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$value = self::unescapeDelimiters($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 $parameter){
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// Faulty entries by kaddressbook
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// Actually TYPE=PREF is correct according to RFC 2426
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// but this way is more handy in the UI. Tanghus.
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if($parameter->name == 'TYPE' && $parameter->value == 'PREF'){
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$parameter->name = 'PREF';
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$parameter->value = '1';
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}
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// NOTE: Apparently Sabre_VObject_Reader can't always deal with value list parameters
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// like TYPE=HOME,CELL,VOICE. Tanghus.
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if ($property->name == 'TEL' && $parameter->name == 'TYPE'){
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if (isset($temp['parameters'][$parameter->name])){
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$temp['parameters'][$parameter->name][] = $parameter->value;
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}
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else{
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$temp['parameters'][$parameter->name] = array($parameter->value);
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}
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}
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else{
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$temp['parameters'][$parameter->name] = $parameter->value;
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}
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}
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return $temp;
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}
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/**
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* @brief Move card(s) to an address book
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* @param integer $aid Address book id
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* @param $id Array or integer of cards to be moved.
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* @return boolean
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*
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*/
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public static function moveToAddressBook($aid, $id){
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OC_Contacts_App::getAddressbook($aid); // check for user ownership.
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if(is_array($id)) {
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$id_sql = join(',', array_fill(0, count($id), '?'));
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$prep = 'UPDATE *PREFIX*contacts_cards SET addressbookid = ? WHERE id IN ('.$id_sql.')';
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try {
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$stmt = OC_DB::prepare( $prep );
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//$aid = array($aid);
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$vals = array_merge((array)$aid, $id);
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$result = $stmt->execute($vals);
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} catch(Exception $e) {
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OC_Log::write('contacts','OC_Contacts_VCard::moveToAddressBook:, exception: '.$e->getMessage(),OC_Log::DEBUG);
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OC_Log::write('contacts','OC_Contacts_VCard::moveToAddressBook, ids: '.join(',', $vals),OC_Log::DEBUG);
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OC_Log::write('contacts','SQL:'.$prep,OC_Log::DEBUG);
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return false;
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}
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} else {
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try {
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$stmt = OC_DB::prepare( 'UPDATE *PREFIX*contacts_cards SET addressbookid = ? WHERE id = ?' );
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$result = $stmt->execute(array($aid, $id));
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} catch(Exception $e) {
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OC_Log::write('contacts','OC_Contacts_VCard::moveToAddressBook:, exception: '.$e->getMessage(),OC_Log::DEBUG);
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OC_Log::write('contacts','OC_Contacts_VCard::moveToAddressBook, id: '.$id,OC_Log::DEBUG);
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return false;
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}
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}
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OC_Contacts_Addressbook::touch($aid);
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return true;
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}
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}
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