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81 lines
2.5 KiB
81 lines
2.5 KiB
7 years ago
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<?php
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class login {
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private $MM_authorizedUsers = array();
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private $MM_donotCheckaccess = "false";
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private $request = '';
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private $session;
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public function __construct($authorizedUsers){
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$this->MM_authorizedUsers = $authorizedUsers;
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$this->request = new Request();
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$this->session = new Session();
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}
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// *** Restrict Access To Page: Grant or deny access to this page
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public function isAuthorized($strUsers, $strGroups, $UserName, $UserGroup) {
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// For security, start by assuming the visitor is NOT authorized.
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$isValid = False;
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// When a visitor has logged into this site, the Session variable MM_Username set equal to their username.
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// Therefore, we know that a user is NOT logged in if that Session variable is blank.
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if (!empty($UserName)) {
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// Besides being logged in, you may restrict access to only certain users based on an ID established when they login.
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// Parse the strings into arrays.
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$arrUsers = Explode(",", $strUsers);
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$arrGroups = Explode(",", $strGroups);
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if (in_array($UserName, $arrUsers)) {
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$isValid = true;
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}
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// Or, you may restrict access to only certain users based on their username.
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if (in_array($UserGroup, $arrGroups)) {
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$isValid = true;
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}
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if (($strUsers == "") && false) {
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$isValid = true;
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}
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}
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return $isValid;
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}
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public function check($restrictGoTo) {
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$MM_restrictGoTo = $restrictGoTo;
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if (!((isset($this->session->data['MM_Username'])) && ($this->isAuthorized("",$this->MM_authorizedUsers, $this->session->data['MM_Username'], $this->session->data['MM_UserGroup'])))) {
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$MM_qsChar = "?";
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$MM_referrer = $this->request->server['PHP_SELF'];
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if (strpos($MM_restrictGoTo, "?")) $MM_qsChar = "&";
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if (isset($this->request->server['QUERY_STRING']) && strlen($this->request->server['QUERY_STRING']) > 0)
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$MM_referrer .= "?" . $this->request->server['QUERY_STRING'];
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$MM_restrictGoTo = $MM_restrictGoTo. $MM_qsChar . "accesscheck=" . urlencode($MM_referrer);
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header("Location: ". $MM_restrictGoTo);
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exit;
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}
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}
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public function isLogged () {
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$lgged = $this->isAuthorized("",$this->MM_authorizedUsers, $this->session->data['MM_Username'], $this->session->data['MM_UserGroup']);
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return($lgged);
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}
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public function logout() {
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unset($this->session->data['user_id']);
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$this->user_id = '';
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$this->username = '';
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session_destroy();
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}
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public function getUserName() {
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return $this->session->data['MM_Username'];
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}
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}
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