| <?php |
| |
| namespace RobThree\Auth\Providers\Qr; |
| |
| // http://goqr.me/api/doc/create-qr-code/ |
| class QRServerProvider extends BaseHTTPQRCodeProvider |
| { |
| /** @var string */ |
| public $errorcorrectionlevel; |
| |
| /** @var int */ |
| public $margin; |
| |
| /** @var int */ |
| public $qzone; |
| |
| /** @var string */ |
| public $bgcolor; |
| |
| /** @var string */ |
| public $color; |
| |
| /** @var string */ |
| public $format; |
| |
| /** |
| * @param bool $verifyssl |
| * @param string $errorcorrectionlevel |
| * @param int $margin |
| * @param int $qzone |
| * @param string $bgcolor |
| * @param string $color |
| * @param string $format |
| */ |
| public function __construct($verifyssl = false, $errorcorrectionlevel = 'L', $margin = 4, $qzone = 1, $bgcolor = 'ffffff', $color = '000000', $format = 'png') |
| { |
| if (!is_bool($verifyssl)) { |
| throw new QRException('VerifySSL must be bool'); |
| } |
| |
| $this->verifyssl = $verifyssl; |
| |
| $this->errorcorrectionlevel = $errorcorrectionlevel; |
| $this->margin = $margin; |
| $this->qzone = $qzone; |
| $this->bgcolor = $bgcolor; |
| $this->color = $color; |
| $this->format = $format; |
| } |
| |
| /** |
| * {@inheritdoc} |
| */ |
| public function getMimeType() |
| { |
| switch (strtolower($this->format)) { |
| case 'png': |
| return 'image/png'; |
| case 'gif': |
| return 'image/gif'; |
| case 'jpg': |
| case 'jpeg': |
| return 'image/jpeg'; |
| case 'svg': |
| return 'image/svg+xml'; |
| case 'eps': |
| return 'application/postscript'; |
| } |
| throw new QRException(sprintf('Unknown MIME-type: %s', $this->format)); |
| } |
| |
| /** |
| * {@inheritdoc} |
| */ |
| public function getQRCodeImage($qrtext, $size) |
| { |
| return $this->getContent($this->getUrl($qrtext, $size)); |
| } |
| |
| /** |
| * @param string $value |
| * |
| * @return string |
| */ |
| private function decodeColor($value) |
| { |
| return vsprintf('%d-%d-%d', sscanf($value, "%02x%02x%02x")); |
| } |
| |
| /** |
| * @param string $qrtext the value to encode in the QR code |
| * @param int|string $size the desired size of the QR code |
| * |
| * @return string file contents of the QR code |
| */ |
| public function getUrl($qrtext, $size) |
| { |
| return 'https://api.qrserver.com/v1/create-qr-code/' |
| . '?size=' . $size . 'x' . $size |
| . '&ecc=' . strtoupper($this->errorcorrectionlevel) |
| . '&margin=' . $this->margin |
| . '&qzone=' . $this->qzone |
| . '&bgcolor=' . $this->decodeColor($this->bgcolor) |
| . '&color=' . $this->decodeColor($this->color) |
| . '&format=' . strtolower($this->format) |
| . '&data=' . rawurlencode($qrtext); |
| } |
| } |