Matthias Andreas Benkard | b382b10 | 2021-01-02 15:32:21 +0100 | [diff] [blame] | 1 | <?php |
| 2 | |
| 3 | namespace RobThree\Auth\Providers\Qr; |
| 4 | |
| 5 | // http://goqr.me/api/doc/create-qr-code/ |
| 6 | class QRServerProvider extends BaseHTTPQRCodeProvider |
| 7 | { |
| 8 | public $errorcorrectionlevel; |
| 9 | public $margin; |
| 10 | public $qzone; |
| 11 | public $bgcolor; |
| 12 | public $color; |
| 13 | public $format; |
| 14 | |
| 15 | function __construct($verifyssl = false, $errorcorrectionlevel = 'L', $margin = 4, $qzone = 1, $bgcolor = 'ffffff', $color = '000000', $format = 'png') |
| 16 | { |
| 17 | if (!is_bool($verifyssl)) |
| 18 | throw new QRException('VerifySSL must be bool'); |
| 19 | |
| 20 | $this->verifyssl = $verifyssl; |
| 21 | |
| 22 | $this->errorcorrectionlevel = $errorcorrectionlevel; |
| 23 | $this->margin = $margin; |
| 24 | $this->qzone = $qzone; |
| 25 | $this->bgcolor = $bgcolor; |
| 26 | $this->color = $color; |
| 27 | $this->format = $format; |
| 28 | } |
| 29 | |
| 30 | public function getMimeType() |
| 31 | { |
| 32 | switch (strtolower($this->format)) |
| 33 | { |
| 34 | case 'png': |
| 35 | return 'image/png'; |
| 36 | case 'gif': |
| 37 | return 'image/gif'; |
| 38 | case 'jpg': |
| 39 | case 'jpeg': |
| 40 | return 'image/jpeg'; |
| 41 | case 'svg': |
| 42 | return 'image/svg+xml'; |
| 43 | case 'eps': |
| 44 | return 'application/postscript'; |
| 45 | } |
| 46 | throw new \QRException(sprintf('Unknown MIME-type: %s', $this->format)); |
| 47 | } |
| 48 | |
| 49 | public function getQRCodeImage($qrtext, $size) |
| 50 | { |
| 51 | return $this->getContent($this->getUrl($qrtext, $size)); |
| 52 | } |
| 53 | |
| 54 | private function decodeColor($value) |
| 55 | { |
| 56 | return vsprintf('%d-%d-%d', sscanf($value, "%02x%02x%02x")); |
| 57 | } |
| 58 | |
| 59 | public function getUrl($qrtext, $size) |
| 60 | { |
| 61 | return 'https://api.qrserver.com/v1/create-qr-code/' |
| 62 | . '?size=' . $size . 'x' . $size |
| 63 | . '&ecc=' . strtoupper($this->errorcorrectionlevel) |
| 64 | . '&margin=' . $this->margin |
| 65 | . '&qzone=' . $this->qzone |
| 66 | . '&bgcolor=' . $this->decodeColor($this->bgcolor) |
| 67 | . '&color=' . $this->decodeColor($this->color) |
| 68 | . '&format=' . strtolower($this->format) |
| 69 | . '&data=' . rawurlencode($qrtext); |
| 70 | } |
| 71 | } |