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<?php |
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namespace Raptor\Request\Components; |
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class Authorization |
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{ |
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/** |
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* Authorization type. |
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* |
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* @var string |
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*/ |
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protected $type; |
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/** |
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* Authorization username. |
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* |
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* @var string |
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*/ |
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protected $username; |
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/** |
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* Authorization password. |
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* |
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* @var string |
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*/ |
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protected $password; |
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/** |
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* Authorization token. |
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* |
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* @var string |
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*/ |
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protected $token; |
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/** |
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* Authorization header-field. |
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* |
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* @var string |
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*/ |
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protected $field; |
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/** |
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* Get authorization type. |
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* |
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* @return string |
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*/ |
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public function type() |
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{ |
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if ($this->type !== null) { |
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return $this->type; |
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} |
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if ($this->field() === false || count($string = explode(' ', $this->field)) < 2) { |
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return $this->type = false; |
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} |
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return $this->type = $string[0]; |
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} |
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/** |
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* Get authorization username. |
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* |
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* @return string |
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*/ |
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public function username() |
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{ |
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if ($this->username !== null) { |
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return $this->username; |
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} |
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if (isset($_SERVER['PHP_AUTH_USER'])) { |
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return $this->username = $_SERVER['PHP_AUTH_USER']; |
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} |
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if (strtolower($this->type()) == 'basic') { |
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// Decode AUTHORIZATION header into PHP_AUTH_USER when authorization header is basic |
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$token = explode(':', base64_decode($this->token()), 1); |
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if (count($token) == 1) { |
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return $this->username = $_SERVER['PHP_AUTH_USER'] = $token[0]; |
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} |
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} |
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return $this->username = false; |
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} |
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/** |
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* Get authorization password. |
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* |
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* @return string |
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*/ |
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public function password() |
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{ |
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if ($this->password !== null) { |
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$this->password; |
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} |
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if (isset($_SERVER['PHP_AUTH_USER'])) { |
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return $this->password = isset($_SERVER['PHP_AUTH_PW']) ? $_SERVER['PHP_AUTH_PW'] : ''; |
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} |
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if (strtolower($this->type()) == 'basic') { |
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// Decode AUTHORIZATION header into PHP_AUTH_PW when authorization header is basic |
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$token = explode(':', base64_decode($this->token()), 2); |
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if (count($token) == 2) { |
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return $this->password = $_SERVER['PHP_AUTH_PW'] = $token[1]; |
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} |
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} |
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return $this->password = false; |
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} |
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/** |
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* Get authorization token. |
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* |
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* @return string |
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*/ |
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public function token() |
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{ |
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if ($this->token !== null) { |
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return $this->token; |
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} |
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if ($this->field() === false || count($string = explode(' ', $this->field)) != 2) { |
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return $this->token = false; |
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} |
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return $this->token = $string[1]; |
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} |
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/** |
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* Get authorization header-field. |
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* |
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* @return string |
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*/ |
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public function field() |
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{ |
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if ($this->field !== null) { |
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return $this->field; |
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} |
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// HTTP_AUTHORIZATION |
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if (isset($_SERVER['HTTP_AUTHORIZATION'])) { |
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$this->field = $_SERVER['HTTP_AUTHORIZATION']; |
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} |
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// REDIRECT_HTTP_AUTHORIZATION |
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elseif (isset($_SERVER['REDIRECT_HTTP_AUTHORIZATION'])) { |
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$this->field = $_SERVER['REDIRECT_HTTP_AUTHORIZATION']; |
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} |
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if ($this->field) { |
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if (empty($_SERVER['PHP_AUTH_DIGEST']) && (0 === stripos($this->field, 'digest '))) { |
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// In some circumstances PHP_AUTH_DIGEST needs to be set. |
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return $_SERVER['PHP_AUTH_DIGEST'] = $this->field; |
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} |
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} |
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// PHP_AUTH_USER |
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if (isset($_SERVER['PHP_AUTH_USER'])) { |
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return $this->field = 'Basic '.base64_encode($_SERVER['PHP_AUTH_USER'].':'.$_SERVER['PHP_AUTH_PW']); |
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} |
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// PHP_AUTH_DIGEST |
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if (isset($_SERVER['PHP_AUTH_DIGEST'])) { |
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return $this->field = $_SERVER['PHP_AUTH_DIGEST']; |
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} |
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return $this->field = false; |
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} |
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} |
This check looks for assignments to scalar types that may be of the wrong type.
To ensure the code behaves as expected, it may be a good idea to add an explicit type cast.