| @@ -29,8 +29,8 @@ | ||
| 29 | 29 | * @param string $message exception message | 
| 30 | 30 | * @param Exception $parent parent exception | 
| 31 | 31 | */ | 
| 32 | - public function __construct($message, $parent=null) | |
| 33 | -     { | |
| 34 | - parent::__construct($message, 0, $parent); | |
| 35 | - } | |
| 32 | + public function __construct($message, $parent=null) | |
| 33 | +        { | |
| 34 | + parent::__construct($message, 0, $parent); | |
| 35 | + } | |
| 36 | 36 | } | 
| 37 | 37 | \ No newline at end of file | 
| @@ -97,9 +97,9 @@ | ||
| 97 | 97 | |
| 98 | 98 | // Wait and retry once in case of a 502 Bad Gateway error | 
| 99 | 99 |          if ($statusCode === 502 && !($retry)) { | 
| 100 | - sleep(2); | |
| 101 | - $this->_sendFirebase($deviceToken, $alert, $challenge, $apiKey, true); | |
| 102 | - return; | |
| 100 | + sleep(2); | |
| 101 | + $this->_sendFirebase($deviceToken, $alert, $challenge, $apiKey, true); | |
| 102 | + return; | |
| 103 | 103 | } | 
| 104 | 104 | |
| 105 | 105 |          if ($statusCode !== 200) { | 
| @@ -41,7 +41,7 @@ | ||
| 41 | 41 | public function encrypt($data); | 
| 42 | 42 | |
| 43 | 43 | /** | 
| 44 | - * Decrypts the given data. | |
| 44 | + * Decrypts the given data. | |
| 45 | 45 | * | 
| 46 | 46 | * @param String $data Data to decrypt. | 
| 47 | 47 | * | 
| @@ -57,7 +57,7 @@ | ||
| 57 | 57 | } | 
| 58 | 58 | |
| 59 | 59 | /** | 
| 60 | - * Decrypts the given data. | |
| 60 | + * Decrypts the given data. | |
| 61 | 61 | * | 
| 62 | 62 | * @param String $data Data to decrypt. | 
| 63 | 63 | * | 
| @@ -57,7 +57,7 @@ | ||
| 57 | 57 | } | 
| 58 | 58 | |
| 59 | 59 | /** | 
| 60 | - * Decrypts the given data. | |
| 60 | + * Decrypts the given data. | |
| 61 | 61 | * | 
| 62 | 62 | * @param String $data Data to decrypt. | 
| 63 | 63 | * | 
| @@ -36,11 +36,11 @@ discard block | ||
| 36 | 36 | */ | 
| 37 | 37 | private static function _hmac(string $crypto, string $keyBytes, string $text) : string | 
| 38 | 38 |      { | 
| 39 | - $hash = hash_hmac($crypto, $text, $keyBytes); | |
| 40 | -         if (false === $hash) { | |
| 41 | -             throw new Exception("calculating hash_hmac failed"); | |
| 42 | - } | |
| 43 | - return $hash; | |
| 39 | + $hash = hash_hmac($crypto, $text, $keyBytes); | |
| 40 | +            if (false === $hash) { | |
| 41 | +                throw new Exception("calculating hash_hmac failed"); | |
| 42 | + } | |
| 43 | + return $hash; | |
| 44 | 44 | } | 
| 45 | 45 | |
| 46 | 46 | /** | 
| @@ -99,12 +99,12 @@ discard block | ||
| 99 | 99 | * alternative to "-S064" | 
| 100 | 100 | */ | 
| 101 | 101 | static function generateOCRA(string $ocraSuite, | 
| 102 | - string $key, | |
| 103 | - string $counter, | |
| 104 | - string $question, | |
| 105 | - string $password, | |
| 106 | - string $sessionInformation, | |
| 107 | - string $timeStamp) : string | |
| 102 | + string $key, | |
| 103 | + string $counter, | |
| 104 | + string $question, | |
| 105 | + string $password, | |
| 106 | + string $sessionInformation, | |
| 107 | + string $timeStamp) : string | |
| 108 | 108 |      { | 
| 109 | 109 | $codeDigits = 0; | 
| 110 | 110 | $crypto = ""; | 
| @@ -4,32 +4,32 @@ discard block | ||
| 4 | 4 | |
| 5 | 5 |  class OATH_OCRAParser { | 
| 6 | 6 | |
| 7 | - private $OCRASuite = NULL; | |
| 7 | + private $OCRASuite = NULL; | |
| 8 | 8 | |
| 9 | - private $OCRAVersion = NULL; | |
| 9 | + private $OCRAVersion = NULL; | |
| 10 | 10 | |
| 11 | - private $CryptoFunctionType = NULL; | |
| 12 | - private $CryptoFunctionHash = NULL; | |
| 13 | - private $CryptoFunctionHashLength = NULL; | |
| 14 | - private $CryptoFunctionTruncation = NULL; | |
| 11 | + private $CryptoFunctionType = NULL; | |
| 12 | + private $CryptoFunctionHash = NULL; | |
| 13 | + private $CryptoFunctionHashLength = NULL; | |
| 14 | + private $CryptoFunctionTruncation = NULL; | |
| 15 | 15 | |
| 16 | - private $C = FALSE; | |
| 17 | - private $Q = FALSE; | |
| 18 | - private $QType = 'N'; | |
| 19 | - private $QLength = 8; | |
| 16 | + private $C = FALSE; | |
| 17 | + private $Q = FALSE; | |
| 18 | + private $QType = 'N'; | |
| 19 | + private $QLength = 8; | |
| 20 | 20 | |
| 21 | - private $P = FALSE; | |
| 22 | - private $PType = 'SHA1'; | |
| 23 | - private $PLength = 20; | |
| 21 | + private $P = FALSE; | |
| 22 | + private $PType = 'SHA1'; | |
| 23 | + private $PLength = 20; | |
| 24 | 24 | |
| 25 | - private $S = FALSE; | |
| 26 | - private $SLength = 64; | |
| 25 | + private $S = FALSE; | |
| 26 | + private $SLength = 64; | |
| 27 | 27 | |
| 28 | - private $T = FALSE; | |
| 29 | - private $TLength = 60; // 1M | |
| 30 | -	private $TPeriods = array('H' => 3600, 'M' => 60, 'S' => 1); | |
| 28 | + private $T = FALSE; | |
| 29 | + private $TLength = 60; // 1M | |
| 30 | +    private $TPeriods = array('H' => 3600, 'M' => 60, 'S' => 1); | |
| 31 | 31 | |
| 32 | -	private $supportedHashFunctions = array('SHA1' => 20, 'SHA256' => 32, 'SHA512' => 64); | |
| 32 | +    private $supportedHashFunctions = array('SHA1' => 20, 'SHA256' => 32, 'SHA512' => 64); | |
| 33 | 33 | |
| 34 | 34 | |
| 35 | 35 | /** | 
| @@ -37,149 +37,149 @@ discard block | ||
| 37 | 37 | * @throws Exception | 
| 38 | 38 | */ | 
| 39 | 39 |      public function __construct(String $ocraSuite) { | 
| 40 | - $this->parseOCRASuite($ocraSuite); | |
| 41 | - } | |
| 40 | + $this->parseOCRASuite($ocraSuite); | |
| 41 | + } | |
| 42 | 42 | |
| 43 | - /** | |
| 44 | - * Inspired by https://github.com/bdauvergne/python-oath | |
| 43 | + /** | |
| 44 | + * Inspired by https://github.com/bdauvergne/python-oath | |
| 45 | 45 | * | 
| 46 | 46 | * @throws Exception | 
| 47 | - */ | |
| 48 | -	private function parseOCRASuite($ocraSuite) { | |
| 49 | -		if (!is_string($ocraSuite)) { | |
| 50 | -			throw new Exception('OCRASuite not in string format: ' . var_export($ocraSuite, TRUE)); | |
| 51 | - } | |
| 52 | - | |
| 53 | - $ocraSuite = strtoupper($ocraSuite); | |
| 54 | - $this->OCRASuite = $ocraSuite; | |
| 55 | - | |
| 56 | -		$s = explode(':', $ocraSuite); | |
| 57 | -		if (count($s) != 3) { | |
| 58 | -			throw new Exception('Invalid OCRASuite format: ' . var_export($ocraSuite, TRUE)); | |
| 59 | - } | |
| 60 | - | |
| 61 | -		$algo = explode('-', $s[0]); | |
| 62 | -		if (count($algo) != 2) { | |
| 63 | -			throw new Exception('Invalid OCRA version: ' . var_export($s[0], TRUE)); | |
| 64 | - } | |
| 65 | - | |
| 66 | -		if ($algo[0] !== 'OCRA') { | |
| 67 | -			throw new Exception('Unsupported OCRA algorithm: ' . var_export($algo[0], TRUE)); | |
| 68 | - } | |
| 69 | - | |
| 70 | -		if ($algo[1] !== '1') { | |
| 71 | -			throw new Exception('Unsupported OCRA version: ' . var_export($algo[1], TRUE)); | |
| 72 | - } | |
| 73 | - $this->OCRAVersion = $algo[1]; | |
| 74 | - | |
| 75 | -		$cf = explode('-', $s[1]); | |
| 76 | -		if (count($cf) != 3) { | |
| 77 | -			throw new Exception('Invalid OCRA suite crypto function: ' . var_export($s[1], TRUE)); | |
| 78 | - } | |
| 79 | - | |
| 80 | -		if ($cf[0] !== 'HOTP') { | |
| 81 | -			throw new Exception('Unsupported OCRA suite crypto function: ' . var_export($cf[0], TRUE)); | |
| 82 | - } | |
| 83 | - $this->CryptoFunctionType = $cf[0]; | |
| 84 | - | |
| 85 | -		if (!array_key_exists($cf[1], $this->supportedHashFunctions)) { | |
| 86 | -			throw new Exception('Unsupported hash function in OCRA suite crypto function: ' . var_export($cf[1], TRUE)); | |
| 87 | - } | |
| 88 | - $this->CryptoFunctionHash = $cf[1]; | |
| 89 | - $this->CryptoFunctionHashLength = $this->supportedHashFunctions[$cf[1]]; | |
| 90 | - | |
| 91 | -		if (!preg_match('/^\d+$/', $cf[2]) || (($cf[2] < 4 || $cf[2] > 10) && $cf[2] != 0)) { | |
| 92 | -			throw new Exception('Invalid OCRA suite crypto function truncation length: ' . var_export($cf[2], TRUE)); | |
| 93 | - } | |
| 94 | - $this->CryptoFunctionTruncation = intval($cf[2]); | |
| 95 | - | |
| 96 | -		$di = explode('-', $s[2]); | |
| 97 | -		if (count($cf) == 0) { | |
| 98 | -			throw new Exception('Invalid OCRA suite data input: ' . var_export($s[2], TRUE)); | |
| 99 | - } | |
| 100 | - | |
| 101 | - $data_input = array(); | |
| 102 | -		foreach($di as $elem) { | |
| 103 | - $letter = $elem[0]; | |
| 104 | -			if (array_key_exists($letter, $data_input)) { | |
| 105 | -				throw new Exception('Duplicate field in OCRA suite data input: ' . var_export($elem, TRUE)); | |
| 106 | - } | |
| 107 | - $data_input[$letter] = 1; | |
| 108 | - | |
| 109 | -			if ($letter === 'C' && strlen($elem) == 1) { | |
| 110 | - $this->C = TRUE; | |
| 111 | -			} elseif ($letter === 'Q') { | |
| 112 | -				if (strlen($elem) == 1) { | |
| 113 | - $this->Q = TRUE; | |
| 114 | -				} elseif (preg_match('/^Q([AHN])(\d+)$/', $elem, $match)) { | |
| 115 | - $q_len = intval($match[2]); | |
| 116 | -					if ($q_len < 4 || $q_len > 64) { | |
| 117 | -						throw new Exception('Invalid OCRA suite data input question length: ' . var_export($q_len, TRUE)); | |
| 118 | - } | |
| 119 | - $this->Q = TRUE; | |
| 120 | - $this->QType = $match[1]; | |
| 121 | - $this->QLength = $q_len; | |
| 122 | -				} else { | |
| 123 | -					throw new Exception('Invalid OCRA suite data input question: ' . var_export($elem, TRUE)); | |
| 124 | - } | |
| 125 | -			} elseif ($letter === 'P') { | |
| 126 | -				if (strlen($elem) == 1) { | |
| 127 | - $this->P = TRUE; | |
| 128 | -				} else { | |
| 129 | - $p_algo = substr($elem, 1); | |
| 130 | -					if (!array_key_exists($p_algo, $this->supportedHashFunctions)) { | |
| 131 | -						throw new Exception('Unsupported OCRA suite PIN hash function: ' . var_export($elem, TRUE)); | |
| 132 | - } | |
| 133 | - $this->P = TRUE; | |
| 134 | - $this->PType = $p_algo; | |
| 135 | - $this->PLength = $this->supportedHashFunctions[$p_algo]; | |
| 136 | - } | |
| 137 | -			} elseif ($letter === 'S') { | |
| 138 | -				if (strlen($elem) == 1) { | |
| 139 | - $this->S = TRUE; | |
| 140 | -				} elseif (preg_match('/^S(\d+)$/', $elem, $match)) { | |
| 141 | - $s_len = intval($match[1]); | |
| 142 | -					if ($s_len <= 0 || $s_len > 512) { | |
| 143 | -						throw new Exception('Invalid OCRA suite data input session information length: ' . var_export($s_len, TRUE)); | |
| 144 | - } | |
| 145 | - | |
| 146 | - $this->S = TRUE; | |
| 147 | - $this->SLength = $s_len; | |
| 148 | -				} else { | |
| 149 | -					throw new Exception('Invalid OCRA suite data input session information length: ' . var_export($elem, TRUE)); | |
| 150 | - } | |
| 151 | -			} elseif ($letter === 'T') { | |
| 152 | -				if (strlen($elem) == 1) { | |
| 153 | - $this->T = TRUE; | |
| 154 | -				} elseif (preg_match('/^T(\d+[HMS])+$/', $elem)) { | |
| 155 | -					preg_match_all('/(\d+)([HMS])/', $elem, $match); | |
| 156 | - | |
| 157 | -					if (count($match[1]) !== count(array_unique($match[2]))) { | |
| 158 | -						throw new Exception('Duplicate definitions in OCRA suite data input timestamp: ' . var_export($elem, TRUE)); | |
| 159 | - } | |
| 160 | - | |
| 161 | - $length = 0; | |
| 162 | -					for ($i = 0; $i < count($match[1]); $i++) { | |
| 163 | - $length += intval($match[1][$i]) * $this->TPeriods[$match[2][$i]]; | |
| 164 | - } | |
| 165 | -					if ($length <= 0) { | |
| 166 | -						throw new Exception('Invalid OCRA suite data input timestamp: ' . var_export($elem, TRUE)); | |
| 167 | - } | |
| 168 | - | |
| 169 | - $this->T = TRUE; | |
| 170 | - $this->TLength = $length; | |
| 171 | -				} else { | |
| 172 | -					throw new Exception('Invalid OCRA suite data input timestamp: ' . var_export($elem, TRUE)); | |
| 173 | - } | |
| 174 | -			} else { | |
| 175 | -				throw new Exception('Unsupported OCRA suite data input field: ' . var_export($elem, TRUE)); | |
| 176 | - } | |
| 177 | - } | |
| 178 | - | |
| 179 | -		if (!$this->Q) { | |
| 180 | -			throw new Exception('OCRA suite data input question not defined: ' . var_export($s[2], TRUE)); | |
| 181 | - } | |
| 182 | - } | |
| 47 | + */ | |
| 48 | +    private function parseOCRASuite($ocraSuite) { | |
| 49 | +        if (!is_string($ocraSuite)) { | |
| 50 | +            throw new Exception('OCRASuite not in string format: ' . var_export($ocraSuite, TRUE)); | |
| 51 | + } | |
| 52 | + | |
| 53 | + $ocraSuite = strtoupper($ocraSuite); | |
| 54 | + $this->OCRASuite = $ocraSuite; | |
| 55 | + | |
| 56 | +        $s = explode(':', $ocraSuite); | |
| 57 | +        if (count($s) != 3) { | |
| 58 | +            throw new Exception('Invalid OCRASuite format: ' . var_export($ocraSuite, TRUE)); | |
| 59 | + } | |
| 60 | + | |
| 61 | +        $algo = explode('-', $s[0]); | |
| 62 | +        if (count($algo) != 2) { | |
| 63 | +            throw new Exception('Invalid OCRA version: ' . var_export($s[0], TRUE)); | |
| 64 | + } | |
| 65 | + | |
| 66 | +        if ($algo[0] !== 'OCRA') { | |
| 67 | +            throw new Exception('Unsupported OCRA algorithm: ' . var_export($algo[0], TRUE)); | |
| 68 | + } | |
| 69 | + | |
| 70 | +        if ($algo[1] !== '1') { | |
| 71 | +            throw new Exception('Unsupported OCRA version: ' . var_export($algo[1], TRUE)); | |
| 72 | + } | |
| 73 | + $this->OCRAVersion = $algo[1]; | |
| 74 | + | |
| 75 | +        $cf = explode('-', $s[1]); | |
| 76 | +        if (count($cf) != 3) { | |
| 77 | +            throw new Exception('Invalid OCRA suite crypto function: ' . var_export($s[1], TRUE)); | |
| 78 | + } | |
| 79 | + | |
| 80 | +        if ($cf[0] !== 'HOTP') { | |
| 81 | +            throw new Exception('Unsupported OCRA suite crypto function: ' . var_export($cf[0], TRUE)); | |
| 82 | + } | |
| 83 | + $this->CryptoFunctionType = $cf[0]; | |
| 84 | + | |
| 85 | +        if (!array_key_exists($cf[1], $this->supportedHashFunctions)) { | |
| 86 | +            throw new Exception('Unsupported hash function in OCRA suite crypto function: ' . var_export($cf[1], TRUE)); | |
| 87 | + } | |
| 88 | + $this->CryptoFunctionHash = $cf[1]; | |
| 89 | + $this->CryptoFunctionHashLength = $this->supportedHashFunctions[$cf[1]]; | |
| 90 | + | |
| 91 | +        if (!preg_match('/^\d+$/', $cf[2]) || (($cf[2] < 4 || $cf[2] > 10) && $cf[2] != 0)) { | |
| 92 | +            throw new Exception('Invalid OCRA suite crypto function truncation length: ' . var_export($cf[2], TRUE)); | |
| 93 | + } | |
| 94 | + $this->CryptoFunctionTruncation = intval($cf[2]); | |
| 95 | + | |
| 96 | +        $di = explode('-', $s[2]); | |
| 97 | +        if (count($cf) == 0) { | |
| 98 | +            throw new Exception('Invalid OCRA suite data input: ' . var_export($s[2], TRUE)); | |
| 99 | + } | |
| 100 | + | |
| 101 | + $data_input = array(); | |
| 102 | +        foreach($di as $elem) { | |
| 103 | + $letter = $elem[0]; | |
| 104 | +            if (array_key_exists($letter, $data_input)) { | |
| 105 | +                throw new Exception('Duplicate field in OCRA suite data input: ' . var_export($elem, TRUE)); | |
| 106 | + } | |
| 107 | + $data_input[$letter] = 1; | |
| 108 | + | |
| 109 | +            if ($letter === 'C' && strlen($elem) == 1) { | |
| 110 | + $this->C = TRUE; | |
| 111 | +            } elseif ($letter === 'Q') { | |
| 112 | +                if (strlen($elem) == 1) { | |
| 113 | + $this->Q = TRUE; | |
| 114 | +                } elseif (preg_match('/^Q([AHN])(\d+)$/', $elem, $match)) { | |
| 115 | + $q_len = intval($match[2]); | |
| 116 | +                    if ($q_len < 4 || $q_len > 64) { | |
| 117 | +                        throw new Exception('Invalid OCRA suite data input question length: ' . var_export($q_len, TRUE)); | |
| 118 | + } | |
| 119 | + $this->Q = TRUE; | |
| 120 | + $this->QType = $match[1]; | |
| 121 | + $this->QLength = $q_len; | |
| 122 | +                } else { | |
| 123 | +                    throw new Exception('Invalid OCRA suite data input question: ' . var_export($elem, TRUE)); | |
| 124 | + } | |
| 125 | +            } elseif ($letter === 'P') { | |
| 126 | +                if (strlen($elem) == 1) { | |
| 127 | + $this->P = TRUE; | |
| 128 | +                } else { | |
| 129 | + $p_algo = substr($elem, 1); | |
| 130 | +                    if (!array_key_exists($p_algo, $this->supportedHashFunctions)) { | |
| 131 | +                        throw new Exception('Unsupported OCRA suite PIN hash function: ' . var_export($elem, TRUE)); | |
| 132 | + } | |
| 133 | + $this->P = TRUE; | |
| 134 | + $this->PType = $p_algo; | |
| 135 | + $this->PLength = $this->supportedHashFunctions[$p_algo]; | |
| 136 | + } | |
| 137 | +            } elseif ($letter === 'S') { | |
| 138 | +                if (strlen($elem) == 1) { | |
| 139 | + $this->S = TRUE; | |
| 140 | +                } elseif (preg_match('/^S(\d+)$/', $elem, $match)) { | |
| 141 | + $s_len = intval($match[1]); | |
| 142 | +                    if ($s_len <= 0 || $s_len > 512) { | |
| 143 | +                        throw new Exception('Invalid OCRA suite data input session information length: ' . var_export($s_len, TRUE)); | |
| 144 | + } | |
| 145 | + | |
| 146 | + $this->S = TRUE; | |
| 147 | + $this->SLength = $s_len; | |
| 148 | +                } else { | |
| 149 | +                    throw new Exception('Invalid OCRA suite data input session information length: ' . var_export($elem, TRUE)); | |
| 150 | + } | |
| 151 | +            } elseif ($letter === 'T') { | |
| 152 | +                if (strlen($elem) == 1) { | |
| 153 | + $this->T = TRUE; | |
| 154 | +                } elseif (preg_match('/^T(\d+[HMS])+$/', $elem)) { | |
| 155 | +                    preg_match_all('/(\d+)([HMS])/', $elem, $match); | |
| 156 | + | |
| 157 | +                    if (count($match[1]) !== count(array_unique($match[2]))) { | |
| 158 | +                        throw new Exception('Duplicate definitions in OCRA suite data input timestamp: ' . var_export($elem, TRUE)); | |
| 159 | + } | |
| 160 | + | |
| 161 | + $length = 0; | |
| 162 | +                    for ($i = 0; $i < count($match[1]); $i++) { | |
| 163 | + $length += intval($match[1][$i]) * $this->TPeriods[$match[2][$i]]; | |
| 164 | + } | |
| 165 | +                    if ($length <= 0) { | |
| 166 | +                        throw new Exception('Invalid OCRA suite data input timestamp: ' . var_export($elem, TRUE)); | |
| 167 | + } | |
| 168 | + | |
| 169 | + $this->T = TRUE; | |
| 170 | + $this->TLength = $length; | |
| 171 | +                } else { | |
| 172 | +                    throw new Exception('Invalid OCRA suite data input timestamp: ' . var_export($elem, TRUE)); | |
| 173 | + } | |
| 174 | +            } else { | |
| 175 | +                throw new Exception('Unsupported OCRA suite data input field: ' . var_export($elem, TRUE)); | |
| 176 | + } | |
| 177 | + } | |
| 178 | + | |
| 179 | +        if (!$this->Q) { | |
| 180 | +            throw new Exception('OCRA suite data input question not defined: ' . var_export($s[2], TRUE)); | |
| 181 | + } | |
| 182 | + } | |
| 183 | 183 | |
| 184 | 184 | /** Generate an OCRA challenge question according to the ocra suite specified in the constructor | 
| 185 | 185 | * @return The randomly generated OCRA question | 
| @@ -192,50 +192,50 @@ discard block | ||
| 192 | 192 | * Note that the question string is the exact question string a specified in the OCRA strandard (RFC 6287) | 
| 193 | 193 | * The challenge is not yet hex encoded as expected by OCRA::generateOCRA() | 
| 194 | 194 | */ | 
| 195 | -	public function generateChallenge() : String { | |
| 196 | - $q_length = $this->QLength; | |
| 197 | - $q_type = $this->QType; | |
| 195 | +    public function generateChallenge() : String { | |
| 196 | + $q_length = $this->QLength; | |
| 197 | + $q_type = $this->QType; | |
| 198 | 198 | |
| 199 | 199 | $bytes = Tiqr_Random::randomBytes($q_length); | 
| 200 | 200 | |
| 201 | -		switch($q_type) { | |
| 202 | - case 'A': | |
| 203 | - $challenge = base64_encode($bytes); | |
| 204 | -				$tr = implode("", unpack('H*', $bytes)); | |
| 205 | - $challenge = rtrim(strtr($challenge, '+/', $tr), '='); | |
| 206 | - break; | |
| 207 | - case 'H': | |
| 208 | -				$challenge = implode("", unpack('H*', $bytes)); | |
| 209 | - break; | |
| 210 | - case 'N': | |
| 211 | -				$challenge = implode("", unpack('N*', $bytes)); | |
| 212 | - break; | |
| 213 | - default: | |
| 214 | -				throw new Exception('Unsupported OCRASuite challenge type: ' . var_export($q_type, TRUE)); | |
| 215 | - break; | |
| 216 | - } | |
| 217 | - | |
| 218 | - $challenge = substr($challenge, 0, $q_length); | |
| 219 | - | |
| 220 | - return $challenge; | |
| 221 | - } | |
| 222 | - | |
| 223 | - | |
| 224 | - /** | |
| 225 | - * Constant time string comparison, see http://codahale.com/a-lesson-in-timing-attacks/ | |
| 226 | - */ | |
| 227 | -	public static function constEqual(string $s1, string $s2): bool { | |
| 228 | -		if (strlen($s1) != strlen($s2)) { | |
| 229 | - return FALSE; | |
| 230 | - } | |
| 231 | - | |
| 232 | - $result = TRUE; | |
| 233 | - $length = strlen($s1); | |
| 234 | -		for ($i = 0; $i < $length; $i++) { | |
| 235 | - $result &= ($s1[$i] == $s2[$i]); | |
| 236 | - } | |
| 237 | - | |
| 238 | - return (boolean)$result; | |
| 239 | - } | |
| 201 | +        switch($q_type) { | |
| 202 | + case 'A': | |
| 203 | + $challenge = base64_encode($bytes); | |
| 204 | +                $tr = implode("", unpack('H*', $bytes)); | |
| 205 | + $challenge = rtrim(strtr($challenge, '+/', $tr), '='); | |
| 206 | + break; | |
| 207 | + case 'H': | |
| 208 | +                $challenge = implode("", unpack('H*', $bytes)); | |
| 209 | + break; | |
| 210 | + case 'N': | |
| 211 | +                $challenge = implode("", unpack('N*', $bytes)); | |
| 212 | + break; | |
| 213 | + default: | |
| 214 | +                throw new Exception('Unsupported OCRASuite challenge type: ' . var_export($q_type, TRUE)); | |
| 215 | + break; | |
| 216 | + } | |
| 217 | + | |
| 218 | + $challenge = substr($challenge, 0, $q_length); | |
| 219 | + | |
| 220 | + return $challenge; | |
| 221 | + } | |
| 222 | + | |
| 223 | + | |
| 224 | + /** | |
| 225 | + * Constant time string comparison, see http://codahale.com/a-lesson-in-timing-attacks/ | |
| 226 | + */ | |
| 227 | +    public static function constEqual(string $s1, string $s2): bool { | |
| 228 | +        if (strlen($s1) != strlen($s2)) { | |
| 229 | + return FALSE; | |
| 230 | + } | |
| 231 | + | |
| 232 | + $result = TRUE; | |
| 233 | + $length = strlen($s1); | |
| 234 | +        for ($i = 0; $i < $length; $i++) { | |
| 235 | + $result &= ($s1[$i] == $s2[$i]); | |
| 236 | + } | |
| 237 | + | |
| 238 | + return (boolean)$result; | |
| 239 | + } | |
| 240 | 240 | |
| 241 | 241 | } | 
| @@ -60,7 +60,7 @@ discard block | ||
| 60 | 60 | public function createUser(string $userId, string $displayName) : void | 
| 61 | 61 |      { | 
| 62 | 62 |          $user = array("userId"=>$userId, | 
| 63 | - "displayName"=>$displayName); | |
| 63 | + "displayName"=>$displayName); | |
| 64 | 64 | $this->_saveUser($userId, $user); | 
| 65 | 65 | } | 
| 66 | 66 | |
| @@ -90,7 +90,7 @@ discard block | ||
| 90 | 90 |      { | 
| 91 | 91 |          if ($data = $this->_loadUser($userId)) { | 
| 92 | 92 |              if (isset($data["notificationType"])) { | 
| 93 | - return $data["notificationType"]; | |
| 93 | + return $data["notificationType"]; | |
| 94 | 94 | } | 
| 95 | 95 | } | 
| 96 | 96 | return ''; | 
| @@ -113,7 +113,7 @@ discard block | ||
| 113 | 113 |      { | 
| 114 | 114 |          if ($data = $this->_loadUser($userId)) { | 
| 115 | 115 |              if (isset($data["notificationAddress"])) { | 
| 116 | - return $data["notificationAddress"]; | |
| 116 | + return $data["notificationAddress"]; | |
| 117 | 117 | } | 
| 118 | 118 | } | 
| 119 | 119 |          $this->logger->info('Unable to find notification address for user'); | 
| @@ -54,8 +54,8 @@ | ||
| 54 | 54 | } | 
| 55 | 55 | |
| 56 | 56 |          $envelope = array("expire"=>$expire, | 
| 57 | - "createdAt"=>time(), | |
| 58 | - "value"=>$value); | |
| 57 | + "createdAt"=>time(), | |
| 58 | + "value"=>$value); | |
| 59 | 59 | $filename = $this->getFilenameByKey($key); | 
| 60 | 60 | |
| 61 | 61 |          if (!file_put_contents($filename, serialize($envelope))) { |