// Copyright (c) 2022 High5!
// License Info: LICENSE.TXT
//
// File: functions.inc.php
//
if(preg_match("/functions.inc.php/", $_SERVER['SCRIPT_NAME'])) {
header("Location: login.php");
exit;
}
$version = "1.0.0";
//
// Check of debug is enabled or not
//
if ($CONF['debug'] == 'true') {
ini_set('display_errors', 1);
ini_set('display_startup_errors', 1);
error_reporting(E_ALL);
mysqli_report(MYSQLI_REPORT_ERROR | MYSQLI_REPORT_STRICT);
} else {
ini_set('display_errors', 0);
ini_set('display_startup_errors', 0);
}
//
// check_session
// Action: Check if a session already exists, if not redirect to login.php
// Call: check_session() -or- check_user_session()
//
function check_session() {
session_start();
if (!isset($_SESSION['sessid']['username'])) {
header("Location: login.php");
exit;
}
$SESSID_USERNAME = $_SESSION['sessid']['username'];
return $SESSID_USERNAME;
}
function check_user_session() {
session_start();
if (!isset($_SESSION['userid']['username'])) {
header("Location: login.php");
exit;
}
$USERID_USERNAME = $_SESSION['userid']['username'];
return $USERID_USERNAME;
}
//
// check_language
// Action: checks what language the browser uses
// Call: check_language
//
function check_language() {
global $CONF;
// Currently only English is supported, no need to run through the check now.
return $CONF['default_language'];
}
//
// check_string
// Action: checks if a string is valid and returns TRUE is this is the case.
// Call: check_string(string var)
//
function check_string($var) {
if (preg_match('/^([A-Za-z0-9 ]+)+$/', $var)) {
return true;
} else {
return false;
}
}
//
// check_email
// Action: Checks if email is valid and returns TRUE if this is the case.
// Call: check_email(string email)
//
function check_email($email) {
if (preg_match('/^[-!#$%&\'*+\\.\/0-9=?A-Z^_{|}~]+' . '@' . '([-0-9A-Z]+\.)+' . '([0-9A-Z]){2,10}$/i', trim($email))) {
return true;
} else {
return false;
}
}
//
// escape_string
// Action: Escape a string
// Call: escape_string(string string)
//
function escape_string($string) {
global $CONF;
$escaped_string = $string;
return $escaped_string;
}
//
// get_domain_properties
// Action: Get all the properties of a domain.
// Call: get_domain_properties(string domain)
//
function get_domain_properties($domain) {
global $CONF;
$list = array();
$result = db_query("SELECT COUNT(*) FROM alias WHERE domain='$domain'");
$row = db_row($result['result']);
$list['alias_count'] = $row[0];
$result = db_query("SELECT COUNT(*) FROM mailbox WHERE domain='$domain'");
$row = db_row($result['result']);
$list['mailbox_count'] = $row[0];
if ($CONF['alias_control'] == "NO") {
$list['alias_count'] = $list['alias_count'] - $list['mailbox_count'];
} else {
$list['alias_count'] = $list['alias_count'];
}
$result = db_query("SELECT * FROM domain WHERE domain='$domain'");
$row = db_array($result['result']);
$list['description'] = $row['description'];
$list['aliases'] = $row['aliases'];
$list['mailboxes'] = $row['mailboxes'];
$list['maxquota'] = $row['maxquota'];
$list['transport'] = $row['transport'];
$list['backupmx'] = $row['backupmx'];
$list['created'] = $row['created'];
$list['modified'] = $row['modified'];
$list['active'] = $row['active'];
if ($CONF['database_type'] == "pgsql") {
if ($row['active'] == "t")
{
$list['active'] = 1;
} else {
$list['active'] = 0;
}
if ($row['backupmx'] == "t") {
$list['backupmx'] = 1;
} else {
$list['backupmx'] = 0;
}
} else {
$list['active'] = $row['active'];
$list['backupmx'] = $row['backupmx'];
}
return $list;
}
//
// check_alias
// Action: Checks if the domain is still able to create aliases.
// Call: check_alias(string domain)
//
function check_alias($domain) {
$limit = get_domain_properties($domain);
if ($limit['aliases'] == 0) {
return true;
}
if ($limit['aliases'] < 0) {
return false;
}
if ($limit['alias_count'] >= $limit['aliases']) {
return false;
} else {
return true;
}
}
//
// check_mailbox
// Action: Checks if the domain is still able to create mailboxes.
// Call: ceck_mailbox(string domain)
//
function check_mailbox($domain) {
$limit = get_domain_properties($domain);
if ($limit['mailboxes'] == 0) {
return true;
}
if ($limit['mailboxes'] < 0) {
return false;
}
if ($limit['mailbox_count'] >= $limit['mailboxes']) {
return false;
} else {
return true;
}
}
//
// check_quota
// Action: Checks if the user is creating a mailbox with the correct quota
// Call: check_quota(string domain)
//
function check_quota($quota, $domain) {
$limit = get_domain_properties($domain);
if ($limit['maxquota'] == 0) {
return true;
}
if (($limit['maxquota'] < 0) and ($quota < 0)) {
return true;
}
if (($limit['maxquota'] > 0) and ($quota == 0)) {
return false;
}
if ($quota > $limit['maxquota']) {
return false;
} else {
return true;
}
}
//
// check_owner
// Action: Checks if the admin is the owner of the domain.
// Call: check_owner(string admin, string domain)
//
function check_owner($username, $domain) {
$result = db_query("SELECT * FROM domain_admins WHERE username='$username' AND domain='$domain' AND active='1'");
if ($result['rows'] != 1) {
return false;
} else {
return true;
}
}
//
// list_domains_for_admin
// Action: Lists all the domains for an admin.
// Call: list_domains_for_admin(string admin)
//
function list_domains_for_admin($username) {
$list = array();
$result = db_query("SELECT * FROM domain LEFT JOIN domain_admins ON domain.domain=domain_admins.domain WHERE domain_admins.username='$username' AND domain.active='1' AND domain.backupmx='0' ORDER BY domain_admins.domain");
if ($result['rows'] > 0) {
$i = 0;
while ($row = db_array($result['result'])) {
$list[$i] = $row['domain'];
$i++;
}
}
return $list;
}
//
// list_domains
// Action: List all available domains.
// Call: list_domains()
//
function list_domains() {
$list = array();
$result = db_query("SELECT * FROM domain ORDER BY domain");
if ($result['rows'] > 0) {
$i = 0;
while ($row = db_array($result['result'])) {
$list[$i] = $row['domain'];
$i++;
}
}
return $list;
}
//
// admin_exist
// Action: Checks if the admin already exists.
// Call: admin_exist(string admin)
//
// was check_admin
//
function admin_exist($username) {
$result = db_query("SELECT * FROM admin WHERE username='$username'");
if ($result['rows'] != 1) {
return false;
} else {
return true;
}
}
//
// domain_exist
// Action: Checks if the domain already exists.
// Call: domain_exist(string domain)
//
function domain_exist($domain) {
$result = db_query("SELECT * FROM domain WHERE domain='$domain'");
if ($result['rows'] != 1) {
return false;
} else {
return true;
}
}
//
// list_admins
// Action: Lists all the admins
// Call: list_admins()
//
// was admin_list_admins
//
function list_admins() {
$list = array();
$result = db_query("SELECT * FROM admin ORDER BY username");
if ($result['rows'] > 0) {
$i = 0;
while ($row = db_array($result['result'])) {
$list[$i] = $row['username'];
$i++;
}
}
return $list;
}
//
// get_admin_properties
// Action: Get all the admin properties.
// Call: get_admin_properties(string admin)
function get_admin_properties($username) {
$list = array();
$result = db_query("SELECT COUNT(*) FROM domain_admins WHERE username='$username'");
$row = db_row($result['result']);
$list['domain_count'] = $row[0];
$result = db_query("SELECT * FROM admin WHERE username='$username'");
$row = db_array($result['result']);
$list['created'] = $row['created'];
$list['modified'] = $row['modified'];
$list['active'] = $row['active'];
return $list;
}
//
// generate_password
// Action: Generates a random password
// Call: generate_password()
//
function generate_password() {
$password = substr(md5(mt_rand()), 0, 8);
return $password;
}
//
// pacrypt
// Action: Encrypts password based on config settings
// Call: pacrypt(string cleartextpassword)
//
function pacrypt($pw, $pw_db="") {
global $CONF;
$password = "";
if ($CONF['encrypt'] == 'bcrypt') {
$options = ['cost' => 8];
$password = password_hash($pw, PASSWORD_BCRYPT, $options);
$password = preg_replace('/\$2y\$/', '\$2b\$', $password);
}
return $password;
}
//
// db_connect
// Action: Makes a connection to the database if it doesn't exist
// Call: db_connect()
//
$DEBUG_TEXT = "\n
\n
Please check the documentation and website for more information.\n
\n
";
function db_connect() {
global $CONF;
global $DEBUG_TEXT;
$link = "";
if ($CONF['database_type'] == "mysqli") {
if(function_exists("mysqli_connect")) {
$link = @mysqli_connect($CONF['database_host'], $CONF['database_user'], $CONF['database_password']) or die("DEBUG INFORMATION:
Connect: " . mysqli_connect_error() . "$DEBUG_TEXT");
$succes = @mysqli_select_db($link, $CONF['database_name']) or die("DEBUG INFORMATION:
MySQLi Select Database: " . mysqli_error() . "$DEBUG_TEXT");
} else {
print "DEBUG INFORMATION:
MySQL 4.1 functions not available!
database_type = 'mysqli' in config.inc.php, are you using a different database? $DEBUG_TEXT";
die;
}
}
if ($CONF['database_type'] == "pgsql") {
if(function_exists("pg_connect")) {
$connect_string = "host=" . $CONF['database_host'] . " dbname=" . $CONF['database_name'] . " user=" . $CONF['database_user'] . " password=" . $CONF['database_password'];
$link = @pg_connect($connect_string) or die("DEBUG INFORMATION:
Connect: " . pg_last_error() . "$DEBUG_TEXT");
} else {
print "DEBUG INFORMATION:
PostgreSQL functions not available!
database_type = 'pgsql' in config.inc.php, are you using a different database? $DEBUG_TEXT";
die;
}
}
if ($link) {
return $link;
} else {
print "DEBUG INFORMATION:
\n";
print "Connect: Unable to connect to database
\n";
print "
\n";
print "Make sure that you have set the correct database type in the config.inc.php file
\n";
print $DEBUG_TEXT;
die;
}
}
//
// db_query
// Action: Sends a query to the database and returns query result and number of rows
// Call: db_query(string query)
//
function db_query($query) {
global $CONF;
global $DEBUG_TEXT;
$result = "";
$number_rows = "";
$link = db_connect();
// database prefix workaround
if (!empty($CONF['database_prefix'])) {
if (preg_match("/^SELECT/i", $query)) {
$query = substr($query, 0, 14) . $CONF['database_prefix'] . substr($query, 14);
} else {
$query = substr($query, 0, 6) . $CONF['database_prefix'] . substr($query, 7);
}
}
if ($CONF['database_type'] == "mysqli") $result = @mysqli_query($link, $query) or die("DEBUG INFORMATION:
Invalid query: " . mysqli_error($link) . "$DEBUG_TEXT");
if ($CONF['database_type'] == "pgsql") {
if (preg_match("/LIMIT/i", $query)) {
$search = "/LIMIT(\w+), (\w+)/";
$replace = "LIMIT \$2 OFFSET \$1";
$query = preg_replace($search, $replace, $query);
}
$result = @pg_query($link, $query) or die("DEBUG INFORMATION:
Invalid query: " . pg_last_error() . "$DEBUG_TEXT");
}
if (preg_match("/^SELECT/i", $query)) {
// if $query was a SELECT statement check the number of rows with [database_type]_num_rows().
if ($CONF['database_type'] == "mysqli") $number_rows = mysqli_num_rows($result);
if ($CONF['database_type'] == "pgsql") $number_rows = pg_num_rows($result);
} else {
// if $query was something else, UPDATE, DELETE or INSERT check the number of rows with
// [database_type]_affected_rows().
if ($CONF['database_type'] == "mysqli") $number_rows = mysqli_affected_rows($link);
if ($CONF['database_type'] == "pgsql") $number_rows = pg_affected_rows($result);
}
if ($CONF['database_type'] == "mysqli") mysqli_close($link);
if ($CONF['database_type'] == "pgsql") pg_close($link);
$return = array(
"result" => $result,
"rows" => $number_rows
);
return $return;
}
// db_row
// Action: Returns a row from a table
// Call: db_row(int result)
//
function db_row($result) {
global $CONF;
$row = "";
if ($CONF['database_type'] == "mysqli") $row = mysqli_fetch_row($result);
if ($CONF['database_type'] == "pgsql") $row = pg_fetch_row($result);
return $row;
}
// db_array
// Action: Returns a row from a table
// Call: db_array(int result)
//
function db_array($result) {
global $CONF;
$row = "";
if ($CONF['database_type'] == "mysqli") $row = mysqli_fetch_array($result);
if ($CONF['database_type'] == "pgsql") $row = pg_fetch_array($result);
return $row;
}
// db_assoc
// Action: Returns a row from a table
// Call: db_assoc(int result)
//
function db_assoc($result) {
global $CONF;
$row = "";
if ($CONF['database_type'] == "mysqli") $row = mysqli_fetch_assoc($result);
if ($CONF['database_type'] == "pgsql") $row = pg_fetch_assoc($result);
return $row;
}
//
// db_delete
// Action: Deletes a row from a specified table
// Call: db_delete(string table, string where, string delete)
//
function db_delete($table,$where,$delete) {
$result = db_query("DELETE FROM $table WHERE $where='$delete'");
if ($result['rows'] >= 1) {
return $result['rows'];
} else {
return true;
}
}
//
// db_log
// Action: Logs actions from admin
// Call: db_log(string username, string domain, string action, string data)
//
function db_log($username, $domain, $action, $data) {
global $CONF;
if (!empty($_SERVER['HTTP_X_CLIENTIP'])) {
$REMOTE_ADDR = $_SERVER['HTTP_X_CLIENTIP'];
} else {
$REMOTE_ADDR = $_SERVER['REMOTE_ADDR'];
}
if ($CONF['logging'] == 'YES') {
$result = db_query("INSERT INTO log (timestamp, username, domain, action, data) VALUES (NOW(), '$username ($REMOTE_ADDR)', '$domain', '$action', '$data')");
if ($result['rows'] != 1) {
return false;
} else {
return true;
}
}
}
?>