46 lines
		
	
	
		
			1.9 KiB
		
	
	
	
		
			PHP
		
	
	
	
	
	
			
		
		
	
	
			46 lines
		
	
	
		
			1.9 KiB
		
	
	
	
		
			PHP
		
	
	
	
	
	
<?php
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class AuthManager {
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    public function getToken($username, $password){
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        $userManager = new UserManager();
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        if ($username != '' || $password != ''){               
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            $userLogedIn = $userManager->loginNew($username, $password);
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            if ($userLogedIn != false){
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                // Create token header as a JSON string
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                $header = json_encode(['typ' => 'JWT', 'alg' => 'HS256']);
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                // Create token payload as a JSON string
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                $payload = json_encode(['user_id' => $userLogedIn]);
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                // Encode Header to Base64Url String
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                $base64UrlHeader = str_replace(['+', '/', '='], ['-', '_', ''], base64_encode($header));
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                // Encode Payload to Base64Url String
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                $base64UrlPayload = str_replace(['+', '/', '='], ['-', '_', ''], base64_encode($payload));
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                // Create Signature Hash
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                $signature = hash_hmac('sha256', $base64UrlHeader . "." . $base64UrlPayload, 'abC123!', true);
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                // Encode Signature to Base64Url String
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                $base64UrlSignature = str_replace(['+', '/', '='], ['-', '_', ''], base64_encode($signature));
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                // Create JWT
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                $jwt = $base64UrlHeader . "." . $base64UrlPayload . "." . $base64UrlSignature;
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                return $jwt;
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            }
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        }
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        return false;
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    }
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    public function deleteToken($token){
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        Db::command ('DELETE FROM tokens WHERE token=?', array ($token));
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        return true;
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    }
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    public function validateToken($token){
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        $tokens = Db::loadAll('SELECT * FROM tokens WHERE token = ? AND expire >= CURRENT_TIMESTAMP AND blocked = 0;', array($token));
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        if (count($tokens) == 1) {
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			return true;
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        } else if (count($tokens) == 0) {
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            return false;
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        };
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        return false;
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    }
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}
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