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<?php
/**
* skrbi za odjavo posameznega uporabnik od prejemanja obvestil ankete
*
*/
class SurveyUnsubscribe {
private static $sid = null;
private static $unsubscribed = null;
function __construct($sid) {
self::$sid = $sid;
SurveyInfo::SurveyInit(self::$sid);
}
static function isUnsubscribedEmail($email) {
# če še nismo zakeširamo djavljene emaile za anketo
if (self::$unsubscribed == null && !is_array(self::$unsubscribed)) {
self::getUnsubscribedEmails();
}
if (is_array(self::$unsubscribed) && count(self::$unsubscribed) > 0 && $email != null && trim($email) != '') {
return isset(self::$unsubscribed[$email]);
}
return false;
}
static function getUnsubscribedEmails() {
# polovimo vse odjavljene e-maile in jih shranimo v array
# preverimo ali je uporabnik že odjavljen
$emails = array();
$u1s = "SELECT email FROM srv_survey_unsubscribe WHERE ank_id ='".self::$sid."'";
$u1q = sisplet_query($u1s);
while ($u1r = mysqli_fetch_assoc($u1q)) {
if (trim($u1r['email']) != '') {
$emails[$u1r['email']] = $u1r['email'];
}
}
# preverimo tabelo srv_invitations_recipients
$u2s = "SELECT email FROM srv_invitations_recipients WHERE ank_id ='".self::$sid."' AND unsubscribed = '1'";
if (count($emails) > 0 ) {
$emails_implode = implode('\', \'', $emails);
$u2s .= " AND email NOT IN ('".$emails_implode."')";
//$u2s.=" AND email NOT IN ('".implode('\',\'',$emails)."')";
}
$u2q = sisplet_query($u2s);
while ($u2r = mysqli_fetch_assoc($u2q)) {
if (trim($u2r['email']) != '') {
$emails[$u2r['email']] = $u2r['email'];
}
}
# polovimo še vse iz srv_user in users
$u3s = "SELECT user_id, email FROM srv_user WHERE ank_id ='".self::$sid."' AND unsubscribed = '1'";
$u3q = sisplet_query($u3s);
$cms_id = array();
while ($u3r = mysqli_fetch_assoc($u3q)) {
if (trim($u3r['email']) != '') {
$emails[$u3r['email']] = $u3r['email'];
} else {
#poiščemo še email v tabeli users (če gre za userja iz cms
if ((int)$u3r['user_id'] > 0) {
$cms_id[] = $u3r['user_id'];
}
}
}
if (count($cms_id) > 0) {
$u4s = "SELECT email FROM users WHERE id IN ('".implode("','",$cms_id)."')";
$u4q = sisplet_query($u4s);
while ($u4r = mysqli_fetch_assoc($u4q)) {
if (trim($u4r['email']) != '') {
$emails[$u4r['email']] = $u4r['email'];
}
}
}
self::$unsubscribed = $emails;
}
function generateCodeForEmail($email) {
#preverimo ali email že obstaja za to anketo
$used_codes = array();
$sql_string = "SELECT code FROM srv_survey_unsubscribe_codes WHERE ank_id = '".self::$sid."' AND email='".$email."'";
$sql_query = sisplet_query($sql_string);
if (mysqli_num_rows($sql_query) > 0) {
$sql_row = mysqli_fetch_assoc($sql_query);
return $sql_row['code'];
}
#polovimo katere kode smo že uporabili za to anketo
$used_codes = array();
$sql_string = "SELECT code FROM srv_survey_unsubscribe_codes WHERE ank_id = '".self::$sid."'";
$sql_query = sisplet_query($sql_string);
while ($sql_row = mysqli_fetch_assoc($sql_query)) {
$used_codes[$sql_row['code']] = $sql_row['code'];
}
# zgeneriramo kodo za upoirabika
# Izberemo random hash, ki se ni v bazi
do {
list($code,$cookie) = self::generateCode();
} while (in_array($cookie,$used_codes) && !is_numeric($cookie));
#vstavimo v tabelo srv_survey_unsubscribe_codes
$sql_insert = "INSERT INTO srv_survey_unsubscribe_codes (ank_id, email, code) VALUES ( '".self::$sid."', '".$email."', '".$cookie."') ";
$sqlQuery = sisplet_query($sql_insert);
return $cookie;
}
function generateCode() {
$cookie = md5(mt_rand(1, mt_getrandmax()) . '@' . $_SERVER['REMOTE_ADDR']);
return array(substr($cookie,0,6), $cookie);
}
public function doUnsubscribe() {
global $lang;
$anketa = self::$sid;
$db_table = SurveyInfo::getInstance()->getSurveyArchiveDBString();
$lang_id = (int)$_GET['language'];
if ($lang_id != null) $_lang = '_'.$lang_id; else $_lang = '';
SurveySetting::getInstance()->init($anketa);
$user_bye_textA = SurveySetting::getInstance()->getSurveyMiscSetting('srvlang_user_bye_textA'.$_lang);
if ($user_bye_textA == '') $user_bye_textA = $lang['user_bye_textA'];
if (isset($_GET['uc']) && trim($_GET['uc']) != '' && isset($_GET['em']) && trim($_GET['em']) != '') {
# imamo userja iz cms, email smo poslali kodirano
#dodamo ga v tabelo: srv_survey_unsubscribe
$uc = trim($_GET['uc']);
$em = base64_decode($_GET['em']);
# preverimo obstoj in pravilnost emaila in kode v bazi
$s = "SELECT * FROM srv_survey_unsubscribe_codes WHERE ank_id='".self::$sid."' AND email='".$em."' AND code='".$uc."'";
$q = sisplet_query($s);
if (mysqli_num_rows($q) > 0) {
# zapis je v bazi uporabnika lahko odjavimo
$si = "INSERT INTO srv_survey_unsubscribe (ank_id, email, unsubscribe_time) VALUES ('".self::$sid."','".$em."',now())";
$qi = $s = sisplet_query($si);
echo $user_bye_textA;
}
else {
# zapisa ni v bazi obvestimo uporabnika o napačni kodi
echo 'Koda je napačna! Ne moremo vas odjaviti od prejemanja obvestil!';
}
exit();
}
else if ( isset($_GET['email']) && trim($_GET['email']) != '' &&
isset($_GET['uid']) && (int)trim($_GET['uid']) > 0) {
$uid = (int)trim($_GET['uid']);
$email = trim($_GET['email']);
#poiščemo userja
#poiščemo id spremenljivke z emailom
$ssp = "SELECT s.id FROM srv_spremenljivka s, srv_grupa g WHERE s.gru_id=g.id AND g.ank_id='$anketa' AND variable = 'email' and sistem ='1'";
$qsp = sisplet_query($ssp);
$rsp = mysqli_fetch_assoc($qsp);
$spid = $rsp['id'];
#poiščemo email uporabnika
if ((int)$spid > 0 && (int) $uid > 0) {
$se = "SELECT count(*) from srv_data_text".$db_table." WHERE spr_id = '$spid' AND usr_id = '$uid' AND text ='$email'";
$qe = sisplet_query($se);
list($count) = mysqli_fetch_row($qe);
}
# če ustreza email in uid, ga odjavimo
if ((int)$count > 0) {
if ($email != null && trim($email) != '') {
$si = "INSERT INTO srv_survey_unsubscribe (ank_id, email, unsubscribe_time) VALUES ('$anketa','$email',now())";
$qi = $s = sisplet_query($si);
}
$s = sisplet_query("UPDATE srv_user SET unsubscribed='1' WHERE id='$uid' AND ank_id='$anketa'");
if ($s) {
echo $user_bye_textA;
} else {
//echo mysqli_error($GLOBALS['connect_db']);
echo 'error';
}
} else {
echo 'V bazi ni podaanega emaila.';
}
}
else {
$code = strtolower( $_GET['code'] );
$msgOutputed = false;
if (trim($code) != '' && trim($anketa) != '' && (int)$anketa > 0) {
# id uporabnika v tabeli srv_user
$su = "SELECT id FROM srv_user WHERE pass='$code' AND ank_id='$anketa'";
$qu = sisplet_query($su);
$ru = mysqli_fetch_assoc($qu);
$uid = $ru['id'];
#poiščemo id spremenljivke z emailom
$ssp = "SELECT s.id FROM srv_spremenljivka s, srv_grupa g WHERE s.gru_id=g.id AND g.ank_id='$anketa' AND variable = 'email' and sistem ='1'";
$qsp = sisplet_query($ssp);
$rsp = mysqli_fetch_assoc($qsp);
$spid = $rsp['id'];
#poiščemo email uporabnika
if ((int)$spid > 0 && (int) $uid > 0) {
$se = "SELECT text as email from srv_data_text".$db_table." WHERE spr_id = '$spid' AND usr_id = '$uid'";
$qe = sisplet_query($se);
$re = mysqli_fetch_assoc($qe);
$email = $re['email'];
}
if ($email != null && trim($email) != '') {
$si = "INSERT INTO srv_survey_unsubscribe (ank_id, email, unsubscribe_time) VALUES ('$anketa','$email',now())";
$qi = $s = sisplet_query($si);
}
# preverimo ali obstaja koda za nov način pošiljanja sporočil
$sqlString = "SELECT id, email FROM srv_invitations_recipients WHERE ank_id='$anketa' AND password ='$code' AND unsubscribed='0'";
$sql_query = sisplet_query($sqlString);
if (mysqli_num_rows($sql_query) > 0 ) {
$row = mysqli_fetch_assoc($sql_query);
if (trim($row['email']) != '') {
// KAJ TO DELA TUKAJ??
//$sqlG = sisplet_query("INSERT INTO srv_glasovanje (ank_id, spr_id) VALUES ('$anketa', '$spr_id')");
$si = "INSERT INTO srv_survey_unsubscribe (ank_id, email, unsubscribe_time) VALUES ('$anketa','$row[email]',now())";
$qi = $s = sisplet_query($si);
}
$s = sisplet_query("UPDATE srv_invitations_recipients SET unsubscribed='1', date_unsubscribed=NOW() WHERE password='$code' AND ank_id='$anketa'");
sisplet_query("COMMIT");
if ($s) {
echo $user_bye_textA;
$msgOutputed = true;
} else {
//echo mysqli_error($GLOBALS['connect_db']);
echo 'error1';
}
} else {
# preverimo ali je že predhodno odjavljen
$sqlString = "SELECT id FROM srv_invitations_recipients WHERE ank_id='$anketa' AND password ='$code' AND unsubscribed='1'";
$sql_query = sisplet_query($sqlString);
if (mysqli_num_rows($sql_query) > 0 ) {
echo $lang['user_bye_textC'];
$msgOutputed = true;
} else {
#userja z kodo ni v bazi
}
}
$s = sisplet_query("UPDATE srv_user SET unsubscribed='1' WHERE (pass='$code' OR SUBSTRING(cookie,1,6) ='$code') AND ank_id='$anketa'");
if ($s) {
#tekst je bil poslan že zgoraj!
if ($msgOutputed == false) {
echo $user_bye_textA;
}
} else {
//echo mysqli_error($GLOBALS['connect_db']);
echo 'error';
}
}
}
}
}
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