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egroupware_official/addressbook/inc/class.addressbook_vcal.inc.php

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<?php
/**
* Addressbook - vCard / iCal parser
*
* @link http://www.egroupware.org
* @author Lars Kneschke <lkneschke@egroupware.org>
* @author Ralf Becker <RalfBecker-AT-outdoor-training.de>
* @author Joerg Lehrke <jlehrke@noc.de>
* @package addressbook
* @subpackage export
* @license http://opensource.org/licenses/gpl-license.php GPL - GNU General Public License
* @version $Id$
*/
require_once EGW_SERVER_ROOT.'/phpgwapi/inc/horde/lib/core.php';
require_once(EGW_SERVER_ROOT.'/phpgwapi/inc/horde/Horde/SyncML/State.php');
/**
* Addressbook - vCard parser
*
*/
class addressbook_vcal extends addressbook_bo
{
/**
* product manufacturer from setSupportedFields (lowercase!)
*
* @var string
*/
var $productManufacturer = 'file';
/**
* product name from setSupportedFields (lowercase!)
*
* @var string
*/
var $productName;
/**
* supported fields for vCard file and groupdav import/export
*
* @var array
*/
var $supportedFields = array( // all entries, nexthaus corporation, groupdav, ...
'ADR;WORK' => array('','','adr_one_street','adr_one_locality','adr_one_region',
'adr_one_postalcode','adr_one_countryname'),
'ADR;HOME' => array('','','adr_two_street','adr_two_locality','adr_two_region',
'adr_two_postalcode','adr_two_countryname'),
'BDAY' => array('bday'),
'CATEGORIES' => array('cat_id'),
'EMAIL;INTERNET;WORK' => array('email'),
'EMAIL;INTERNET;HOME' => array('email_home'),
'N' => array('n_family','n_given','n_middle','n_prefix','n_suffix'),
'FN' => array('n_fn'),
'NOTE' => array('note'),
'ORG' => array('org_name','org_unit'),
'TEL;CELL;WORK' => array('tel_cell'),
'TEL;CELL;HOME' => array('tel_cell_private'),
'TEL;FAX;WORK' => array('tel_fax'),
'TEL;FAX;HOME' => array('tel_fax_home'),
'TEL;HOME' => array('tel_home'),
'TEL;PAGER;WORK' => array('tel_pager'),
'TEL;WORK' => array('tel_work'),
'TITLE' => array('title'),
'URL;WORK' => array('url'),
'ROLE' => array('role'),
'URL;HOME' => array('url_home'),
'FBURL' => array('freebusy_uri'),
'PHOTO' => array('jpegphoto'),
'UID' => array('uid'),
);
/**
* VCard version
*
* @var string
*/
var $version;
/**
* Client CTCap Properties
*
* @var array
*/
var $clientProperties;
/**
* Set Logging
*
* @var string
* off = 0;
*/
var $log = 0;
var $logfile="/tmp/log-vcard";
/**
* Constructor
*
* @param string $contact_app the current application
* @param string $_contentType the content type (version)
* @param array $_clientProperties client properties
*/
function __construct($contact_app='addressbook', $_contentType='text/x-vcard', &$_clientProperties = array())
{
parent::__construct($contact_app);
if($this->log)$this->logfile = $GLOBALS['egw_info']['server']['temp_dir']."/log-vcard";
if($this->log)error_log(__LINE__.__METHOD__.__FILE__.array2string($_contentType)."\n",3,$this->logfile);
switch($_contentType)
{
case 'text/vcard':
$this->version = '3.0';
break;
default:
$this->version = '2.1';
break;
}
$this->clientProperties = $_clientProperties;
}
/**
* import a vard into addressbook
*
* @param string $_vcard the vcard
* @param int/string $_abID=null the internal addressbook id or !$_abID for a new enty
* @param boolean $merge=false merge data with existing entry
* @return int contact id
*/
function addVCard($_vcard, $_abID=null, $merge=false)
{
if(!$contact = $this->vcardtoegw($_vcard))
{
return false;
}
if($_abID)
{
if ($merge)
{
$old_contact = $this->read($_abID);
if ($old_contact)
{
foreach ($contact as $key => $value)
{
if (!empty($old_contact[$key]))
{
$contact[$key] = $old_contact[$key];
}
}
}
}
// update entry
$contact['id'] = $_abID;
}
return $this->save($contact);
}
/**
* return a vcard
*
* @param int/string $_id the id of the contact
* @param string $_charset='UTF-8' encoding of the vcard, default UTF-8
* @param boolean $extra_charset_attribute=true GroupDAV/CalDAV dont need the charset attribute and some clients have problems with it
* @return string containing the vcard
*/
function getVCard($_id,$_charset='UTF-8',$extra_charset_attribute=true)
{
require_once(EGW_SERVER_ROOT.'/phpgwapi/inc/horde/Horde/iCalendar/vcard.php');
#Horde::logMessage("vCalAddressbook clientProperties:\n" . print_r($this->clientProperties, true), __FILE__, __LINE__, PEAR_LOG_DEBUG);
$vCard = new Horde_iCalendar_vcard($this->version);
$sysCharSet = $GLOBALS['egw']->translation->charset();
// KAddressbook always requires non-ascii chars to be qprint encoded.
if ($this->productName == 'kde') $extra_charset_attribute = true;
if (!($entry = $this->read($_id)))
{
return false;
}
$this->fixup_contact($entry);
foreach ($this->supportedFields as $vcardField => $databaseFields)
{
$values = array();
$options = array();
$hasdata = 0;
// seperate fields from their options/attributes
$vcardFields = explode(';', $vcardField);
$vcardField = $vcardFields[0];
$i = 1;
while (isset($vcardFields[$i]))
{
list($oname, $oval) = explode('=', $vcardFields[$i]);
if (!$oval && ($this->version == '3.0'))
{
// declare OPTION as TYPE=OPTION
$options['TYPE'][] = $oname ;
}
else
{
$options[$oname] = $oval;
}
$i++;
}
if (is_array($options['TYPE']))
{
$oval = implode(",", $options['TYPE']);
unset($options['TYPE']);
$options['TYPE'] = $oval;
}
if (isset($this->clientProperties[$vcardField]['Size']))
{
$size = $this->clientProperties[$vcardField]['Size'];
$noTruncate = $this->clientProperties[$vcardField]['NoTruncate'];
//Horde::logMessage("vCalAddressbook $vcardField Size: $size, NoTruncate: " .
// ($noTruncate ? 'TRUE' : 'FALSE'), __FILE__, __LINE__, PEAR_LOG_DEBUG);
}
else
{
$size = -1;
$noTruncate = false;
}
foreach ($databaseFields as $databaseField)
{
$value = "";
if (!empty($databaseField))
{
$value = trim($entry[$databaseField]);
}
switch($databaseField)
{
case 'private':
$value = $value ? 'PRIVATE' : 'PUBLIC';
$hasdata++;
break;
case 'bday':
if (!empty($value))
{
if ($size == 8)
{
$value = str_replace('-','',$value);
}
elseif (isset($options['TYPE']) && (
$options['TYPE'] == 'BASIC'))
{
unset($options['TYPE']);
// used by old SyncML implementations
$value = str_replace('-','',$value).'T000000Z';
}
$hasdata++;
}
break;
case 'jpegphoto':
if (!empty($value) &&
(($size < 0) || (strlen($value) < $size)))
{
if (!isset($options['TYPE']))
{
$options['TYPE'] = 'JPEG';
}
if (!isset($options['ENCODING']))
{
$options['ENCODING'] = 'BASE64';
}
$hasdata++;
}
else
{
$value = '';
}
break;
case 'cat_id':
if (!empty($value) && ($values = $this->get_categories($value)))
{
$values = (array) $GLOBALS['egw']->translation->convert($values, $sysCharSet, $_charset);
$value = implode(',', $values); // just for the CHARSET recognition
if ($extra_charset_attribute && preg_match('/([\177-\377])/', $value))
{
$options['CHARSET'] = $_charset;
// KAddressbook requires non-ascii chars to be qprint encoded, other clients eg. nokia phones have trouble with that
if ($this->productName == 'kde')
{
$options['ENCODING'] = 'QUOTED-PRINTABLE';
}
else
{
$options['ENCODING'] = '';
}
}
$hasdata++;
}
break;
default:
if (($size > 0) && strlen(implode(',', $values) . $value) > $size)
{
if ($noTruncate)
{
error_log(__FILE__ . __LINE__ . __METHOD__ . " vCalAddressbook $vcardField omitted due to maximum size $size");
// Horde::logMessage("vCalAddressbook $vcardField omitted due to maximum size $size",
// __FILE__, __LINE__, PEAR_LOG_WARNING);
continue;
}
// truncate the value to size
$cursize = strlen(implode('', $values));
$left = $size - $cursize - count($databaseFields) + 1;
if ($left > 0)
{
$value = substr($value, 0, $left);
}
else
{
$value = '';
}
error_log(__FILE__ . __LINE__ . __METHOD__ . " vCalAddressbook $vcardField truncated to maximum size $size");
//Horde::logMessage("vCalAddressbook $vcardField truncated to maximum size $size",
// __FILE__, __LINE__, PEAR_LOG_INFO);
}
if (!empty($value) // required field
|| in_array($vcardField,array('FN','ORG','N'))
|| ($size >= 0 && !$noTruncate))
{
$value = $GLOBALS['egw']->translation->convert(trim($value), $sysCharSet, $_charset);
$values[] = $value;
if ($extra_charset_attribute)
{
if (preg_match('/([\177-\377])/', $value))
{
$options['CHARSET'] = $_charset;
// KAddressbook requires non-ascii chars to be qprint encoded, other clients eg. nokia phones have trouble with that
if ($this->productName == 'kde')
{
$options['ENCODING'] = 'QUOTED-PRINTABLE';
}
else
{
$options['ENCODING'] = '';
}
}
// protect the CardDAV
if (preg_match('/([\000-\012\015\016\020-\037\075])/', $value))
{
$options['ENCODING'] = 'QUOTED-PRINTABLE';
}
}
else
{
// avoid that these options are inserted from horde code
$options['CHARSET'] = '';
$options['ENCODING'] = '';
}
if ($vcardField == 'TEL' && $entry['tel_prefer'] &&
($databaseField == $entry['tel_prefer']))
{
if ($options['TYPE'])
{
$options['TYPE'] .= ',';
}
$options['TYPE'] .= 'PREF';
}
$hasdata++;
}
else
{
$values[] = '';
}
break;
}
}
if ($hasdata <= 0)
{
// don't add the entry if there is no data for this field,
// except it's a mendatory field
continue;
}
$vCard->setAttribute($vcardField, $value, $options, true, $values);
//$vCard->setParameter($vcardField, $options);
}
$result = $vCard->exportvCalendar();
if($this->log)error_log(__LINE__.__METHOD__.__FILE__."'$this->productManufacturer','$this->productName'"."\n",3,$this->logfile);
if($this->log)error_log(__LINE__.__METHOD__.__FILE__."\n".array2string($result)."\n",3,$this->logfile);
return $result;
}
function search($_vcard, $contentID=null, $relax=false)
{
$result = false;
if (($contact = $this->vcardtoegw($_vcard)))
{
if ($contentID)
{
$contact['contact_id'] = $contentID;
}
$result = $this->find_contact($contact, $relax);
}
return $result;
}
function setSupportedFields($_productManufacturer='file', $_productName='', $_supportedFields = null)
{
$this->productManufacturer = strtolower($_productManufacturer);
$this->productName = strtolower($_productName);
if (is_array($_supportedFields)) $this->supportedFields = $_supportedFields;
}
function vcardtoegw($_vcard)
{
// the horde class does the charset conversion. DO NOT CONVERT HERE.
// be as flexible as possible
$databaseFields = array(
'ADR;WORK' => array('','','adr_one_street','adr_one_locality','adr_one_region',
'adr_one_postalcode','adr_one_countryname'),
'ADR;HOME' => array('','','adr_two_street','adr_two_locality','adr_two_region',
'adr_two_postalcode','adr_two_countryname'),
'BDAY' => array('bday'),
'X-CLASS' => array('private'),
'CLASS' => array('private'),
'CATEGORIES' => array('cat_id'),
'EMAIL;WORK' => array('email'),
'EMAIL;HOME' => array('email_home'),
'N' => array('n_family','n_given','n_middle',
'n_prefix','n_suffix'),
'FN' => array('n_fn'),
'NOTE' => array('note'),
'ORG' => array('org_name','org_unit','room'),
'TEL;CELL;WORK' => array('tel_cell'),
'TEL;CELL;HOME' => array('tel_cell_private'),
'TEL;CAR' => array('tel_car'),
'TEL;OTHER;VOICE' => array('tel_other'),
'TEL;VOICE;WORK' => array('tel_work'),
'TEL;FAX;WORK' => array('tel_fax'),
'TEL;HOME;VOICE' => array('tel_home'),
'TEL;FAX;HOME' => array('tel_fax_home'),
'TEL;PAGER' => array('tel_pager'),
'TITLE' => array('title'),
'URL;WORK' => array('url'),
'URL;HOME' => array('url_home'),
'ROLE' => array('role'),
'NICKNAME' => array('label'),
'FBURL' => array('freebusy_uri'),
'PHOTO' => array('jpegphoto'),
'X-ASSISTANT' => array('assistent'),
'X-ASSISTANT-TEL' => array('tel_assistent'),
'UID' => array('uid'),
);
//Horde::logMessage("vCalAddressbook vcardtoegw:\n$_vcard", __FILE__, __LINE__, PEAR_LOG_DEBUG);
require_once(EGW_SERVER_ROOT.'/phpgwapi/inc/horde/Horde/iCalendar.php');
$container = false;
$vCard = Horde_iCalendar::newComponent('vcard', $container);
if (!$vCard->parsevCalendar($_vcard, 'VCARD'))
{
return False;
}
$vcardValues = $vCard->getAllAttributes();
if (isset($GLOBALS['egw_info']['user']['preferences']['syncml']['minimum_uid_length']))
{
$minimum_uid_length = $GLOBALS['egw_info']['user']['preferences']['syncml']['minimum_uid_length'];
}
else
{
$minimum_uid_length = 8;
}
#print "<pre>$_vcard</pre>";
#error_log(print_r($vcardValues, true));
//Horde::logMessage("vCalAddressbook vcardtoegw: " . print_r($vcardValues, true), __FILE__, __LINE__, PEAR_LOG_DEBUG);
$email = 1;
$tel = 1;
$cell = 1;
$url = 1;
$pref_tel = false;
foreach($vcardValues as $key => $vcardRow)
{
$rowName = strtoupper($vcardRow['name']);
if ($vcardRow['value'] == '' && implode('', $vcardRow['values']) == '')
{
unset($vcardRow);
continue;
}
$rowTypes = array();
$vcardRow['uparams'] = array();
foreach ($vcardRow['params'] as $pname => $params)
{
$pname = strtoupper($pname);
$vcardRow['uparams'][$pname] = $params;
}
// expand 3.0 TYPE paramters to 2.1 qualifiers
$vcardRow['tparams'] = array();
foreach ($vcardRow['uparams'] as $pname => $params)
{
switch ($pname)
{
case 'TYPE':
if (is_array($params))
{
$rowTypes = array();
foreach ($params as $param)
{
$rowTypes[] = strtoupper($param);
}
}
else
{
$rowTypes[] = strtoupper($params);
}
foreach ($rowTypes as $type)
{
switch ($type)
{
case 'OTHER':
case 'WORK':
case 'HOME':
$vcardRow['tparams'][$type] = '';
break;
case 'CELL':
case 'PAGER':
case 'FAX':
case 'VOICE':
case 'CAR':
case 'PREF':
case 'X-CUSTOMLABEL-CAR':
if ($vcardRow['name'] == 'TEL')
{
$vcardRow['tparams'][$type] = '';
}
default:
break;
}
}
break;
default:
break;
}
}
$vcardRow['uparams'] += $vcardRow['tparams'];
ksort($vcardRow['uparams']);
foreach ($vcardRow['uparams'] as $pname => $params)
{
switch ($pname)
{
case 'PREF':
if ($rowName == 'TEL' && !$pref_tel)
{
$pref_tel = $key;
}
break;
case 'FAX':
case 'PAGER':
case 'VOICE':
case 'OTHER':
case 'CELL':
case 'WORK':
case 'HOME':
$rowName .= ';' . $pname;
break;
case 'CAR':
case 'X-CUSTOMLABEL-CAR':
if ($rowName == 'TEL')
{
$rowName = 'TEL;CAR';
}
break;
default:
if (strpos($pname, 'X-FUNAMBOL-') === 0)
{
// Propriatary Funambol extension will be ignored
$rowName .= ';' . $pname;
}
break;
}
}
if($rowName == 'EMAIL')
{
$rowName .= ';X-egw-Ref' . $email++;
}
if(($rowName == 'TEL;CELL') ||
($rowName == 'TEL;CELL;VOICE'))
{
$rowName = 'TEL;CELL;X-egw-Ref' . $cell++;
}
if(($rowName == 'TEL') ||
($rowName == 'TEL;VOICE'))
{
$rowName = 'TEL;X-egw-Ref' . $tel++;
}
if($rowName == 'URL')
{
$rowName = 'URL;X-egw-Ref' . $url++;
}
$rowNames[$key] = $rowName;
}
if($this->log)error_log(__LINE__.__METHOD__.__FILE__."\n".array2string($rowNames)."\n",3,$this->logfile);
// All rowNames of the vCard are now concatenated with their qualifiers.
// If qualifiers are missing we apply a default strategy.
// E.g. ADR will be either ADR;WORK, if no ADR;WORK is given,
// or else ADR;HOME, if not available elsewhere.
//error_log(print_r($rowNames, true));
$finalRowNames = array();
foreach ($rowNames as $vcardKey => $rowName)
{
switch($rowName)
{
case 'VERSION':
break;
case 'ADR':
if (!in_array('ADR;WORK', $rowNames)
&& !isset($finalRowNames['ADR;WORK']))
{
$finalRowNames['ADR;WORK'] = $vcardKey;
}
elseif (!in_array('ADR;HOME', $rowNames)
&& !isset($finalRowNames['ADR;HOME']))
{
$finalRowNames['ADR;HOME'] = $vcardKey;
}
break;
case 'TEL;FAX':
if (!in_array('TEL;FAX;WORK', $rowNames)
&& !isset($finalRowNames['TEL;FAX;WORK']))
{
$finalRowNames['TEL;FAX;WORK'] = $vcardKey;
}
elseif (!in_array('TEL;FAX;HOME', $rowNames)
&& !isset($finalRowNames['TEL;FAX;HOME']))
{
$finalRowNames['TEL;FAX;HOME'] = $vcardKey;
}
break;
case 'TEL;WORK':
if (!in_array('TEL;VOICE;WORK', $rowNames)
&& !isset($finalRowNames['TEL;VOICE;WORK']))
{
$finalRowNames['TEL;VOICE;WORK'] = $vcardKey;
}
break;
case 'TEL;HOME':
if (!in_array('TEL;HOME;VOICE', $rowNames)
&& !isset($finalRowNames['TEL;HOME;VOICE']))
{
$finalRowNames['TEL;HOME;VOICE'] = $vcardKey;
}
break;
case 'TEL;OTHER':
if (!in_array('TEL;OTHER;VOICE', $rowNames)
&& !isset($finalRowNames['TEL;OTHER;VOICE']))
{
$finalRowNames['TEL;OTHER;VOICE'] = $vcardKey;
}
break;
case 'TEL;CAR;VOICE':
case 'TEL;CAR;CELL':
case 'TEL;CAR;CELL;VOICE':
if (!isset($finalRowNames['TEL;CAR']))
{
$finalRowNames['TEL;CAR'] = $vcardKey;
}
break;
case 'TEL;X-egw-Ref1':
if (!in_array('TEL;VOICE;WORK', $rowNames)
&& !in_array('TEL;WORK', $rowNames)
&& !isset($finalRowNames['TEL;VOICE;WORK']))
{
$finalRowNames['TEL;VOICE;WORK'] = $vcardKey;
break;
}
case 'TEL;X-egw-Ref2':
if (!in_array('TEL;HOME;VOICE', $rowNames)
&& !in_array('TEL;HOME', $rowNames)
&& !isset($finalRowNames['TEL;HOME;VOICE']))
{
$finalRowNames['TEL;HOME;VOICE'] = $vcardKey;
}
break;
case 'TEL;CELL;X-egw-Ref1':
if (!in_array('TEL;CELL;WORK', $rowNames)
&& !isset($finalRowNames['TEL;CELL;WORK']))
{
$finalRowNames['TEL;CELL;WORK'] = $vcardKey;
break;
}
case 'TEL;CELL;X-egw-Ref2':
if (!in_array('TEL;CELL;HOME', $rowNames)
&& !isset($finalRowNames['TEL;CELL;HOME']))
{
$finalRowNames['TEL;CELL;HOME'] = $vcardKey;
break;
}
case 'TEL;CELL;X-egw-Ref3':
if (!in_array('TEL;CAR', $rowNames)
&& !in_array('TEL;CAR;VOICE', $rowNames)
&& !in_array('TEL;CAR;CELL', $rowNames)
&& !in_array('TEL;CAR;CELL;VOICE', $rowNames)
&& !isset($finalRowNames['TEL;CAR']))
{
$finalRowNames['TEL;CAR'] = $vcardKey;
}
break;
case 'EMAIL;X-egw-Ref1':
if (!in_array('EMAIL;WORK', $rowNames) &&
!isset($finalRowNames['EMAIL;WORK']))
{
$finalRowNames['EMAIL;WORK'] = $vcardKey;
break;
}
case 'EMAIL;X-egw-Ref2':
if (!in_array('EMAIL;HOME', $rowNames) &&
!isset($finalRowNames['EMAIL;HOME']))
{
$finalRowNames['EMAIL;HOME'] = $vcardKey;
}
break;
case 'URL;X-egw-Ref1':
if (!in_array('URL;WORK', $rowNames) &&
!isset($finalRowNames['URL;WORK']))
{
$finalRowNames['URL;WORK'] = $vcardKey;
break;
}
case 'URL;X-egw-Ref2':
if (!in_array('URL;HOME', $rowNames) &&
!isset($finalRowNames['URL;HOME']))
{
$finalRowNames['URL;HOME'] = $vcardKey;
}
break;
case 'X-EVOLUTION-ASSISTANT':
if (!isset($finalRowNames['X-ASSISTANT']))
{
$finalRowNames['X-ASSISTANT'] = $vcardKey;
}
break;
default:
if (!isset($finalRowNames[$rowName]))
{
$finalRowNames[$rowName] = $vcardKey;
}
break;
}
}
if($this->log)error_log(__LINE__.__METHOD__.__FILE__."\n".array2string($finalRowNames)."\n",3,$this->logfile);
//error_log(print_r($finalRowNames, true));
$contact = array();
foreach ($finalRowNames as $key => $vcardKey)
{
if (isset($databaseFields[$key]))
{
$fieldNames = $databaseFields[$key];
foreach ($fieldNames as $fieldKey => $fieldName)
{
if (!empty($fieldName))
{
$value = trim($vcardValues[$vcardKey]['values'][$fieldKey]);
if ($pref_tel && (($vcardKey == $pref_tel) ||
($vcardValues[$vcardKey]['name'] == 'TEL') &&
($vcardValues[$vcardKey]['value'] == $vcardValues[$pref_tel]['value'])))
{
$contact['tel_prefer'] = $fieldName;
}
switch($fieldName)
{
case 'bday':
$contact[$fieldName] = $vcardValues[$vcardKey]['values']['year'] .
'-' . $vcardValues[$vcardKey]['values']['month'] .
'-' . $vcardValues[$vcardKey]['values']['mday'];
break;
case 'private':
$contact[$fieldName] = (int) ( strtoupper($value) == 'PRIVATE');
break;
case 'cat_id':
$contact[$fieldName] = implode(',',$this->find_or_add_categories($vcardValues[$vcardKey]['values']));
break;
case 'jpegphoto':
$contact[$fieldName] = $vcardValues[$vcardKey]['value'];
break;
case 'note':
// note may contain ','s but maybe this needs to be fixed in vcard parser...
$contact[$fieldName] = $vcardValues[$vcardKey]['value'];
break;
case 'uid':
if (strlen($value) < $minimum_uid_length) {
// we don't use it
break;
}
default:
$contact[$fieldName] = $value;
break;
}
}
}
}
}
if (isset($GLOBALS['egw_info']['user']['preferences']['syncml']['filter_addressbook']))
{
$contact['owner'] = $GLOBALS['egw_info']['user']['preferences']['syncml']['filter_addressbook'];
}
$this->fixup_contact($contact);
if ($this->log) error_log(__LINE__.__METHOD__.__FILE__."'$this->productManufacturer','$this->productName'"."\n",3,$this->logfile);
if ($this->log) error_log(__LINE__.__METHOD__.__FILE__."\n".array2string($contact)."\n",3,$this->logfile);
return $contact;
}
/**
* Exports some contacts: download or write to a file
*
* @param array $ids contact-ids
* @param string $file filename or null for download
*/
function export($ids, $file=null)
{
if (!$file)
{
$browser =& CreateObject('phpgwapi.browser');
$browser->content_header('addressbook.vcf','text/x-vcard');
}
if (!($fp = fopen($file ? $file : 'php://output','w')))
{
return false;
}
foreach ($ids as $id)
{
fwrite($fp,$this->getVCard($id));
}
fclose($fp);
if (!$file)
{
$GLOBALS['egw']->common->egw_exit();
}
return true;
}
}
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