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<?php
namespace bdrem;
/**
* Fetch data from an LDAP server.
* Works fine with evolutionPerson schema.
*/
class Source_Ldap
{
protected $config;
/**
* Create new ldap source
*
* @param array $config Array of Net_LDAP2 configuration parameters.
* Some of those you might want to use:
* - host - LDAP server host name
* - basedn - root DN that gets searched
* - binddn - Username to authenticate with
* - bindpw - Password for username
*/
public function __construct($config)
{
$this->config = $config;
}
/**
* @param string $strDate Date the events shall be found for, YYYY-MM-DD
*/
public function getEvents($strDate, $nDaysPrevious, $nDaysNext)
{
//Net_LDAP2 is not E_STRICT compatible
error_reporting(error_reporting() & ~E_STRICT);
$ldap = \Net_LDAP2::connect($this->config);
if (\PEAR::isError($ldap)) {
throw new \Exception(
'Could not connect to LDAP-server: ' . $ldap->getMessage()
);
}
$dateAttributes = array(
'birthDate' => 'Birthday',
'anniversary' => 'Anniversary',
);
$arDays = $this->getDates($strDate, $nDaysPrevious, $nDaysNext);
$arEvents = array();
foreach ($dateAttributes as $dateAttribute => $attributeTitle) {
$filters = array();
foreach ($arDays as $day) {
$filters[] = \Net_LDAP2_Filter::create($dateAttribute, 'ends', $day);
}
if (count($filters) < 2) {
$filter = $filters[0];
} else {
$filter = \Net_LDAP2_Filter::combine('or', $filters);
}
$options = array(
'scope' => 'sub',
'attributes' => array(
'displayName', 'givenName', 'sn', 'cn', $dateAttribute
)
);
$search = $ldap->search(null, $filter, $options);
if (!$search instanceof \Net_LDAP2_Search) {
throw new \Exception(
'Error searching LDAP: ' . $search->getMessage()
);
} else if ($search->count() == 0) {
continue;
}
while ($entry = $search->shiftEntry()) {
$event = new Event(
$this->getNameFromEntry($entry),
$attributeTitle,
$entry->getValue($dateAttribute, 'single')
);
if ($event->isWithin($strDate, $nDaysPrevious, $nDaysNext)) {
$arEvents[] = $event;
}
}
}
return $arEvents;
}
protected function getNameFromEntry(\Net_LDAP2_Entry $entry)
{
$arEntry = $entry->getValues();
if (isset($arEntry['displayName'])) {
return $arEntry['displayName'];
} else if (isset($arEntry['sn']) && isset($arEntry['givenName'])) {
return $arEntry['givenName'] . ' ' . $arEntry['sn'];
} else if (isset($arEntry['cn'])) {
return $arEntry['cn'];
}
return null;
}
/**
* @return array Values like "-01-24" ("-$month-$day")
*/
protected function getDates($strDate, $nDaysPrevious, $nDaysNext)
{
$ts = strtotime($strDate) - 86400 * $nDaysPrevious;
$numDays = $nDaysPrevious + $nDaysNext;
$arDays = array();
do {
$arDays[] = date('-m-d', $ts);
$ts += 86400;
} while (--$numDays >= 0);
return $arDays;
}
}
?>
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