v1.0 Initial commit of project

2026-01-01 10:54:18 +01:00
commit 768cf78b57
990 changed files with 241213 additions and 0 deletions
--- a/vendor/robthree/twofactorauth/lib/Providers/Qr/BaconQrCodeProvider.php
+++ b/vendor/robthree/twofactorauth/lib/Providers/Qr/BaconQrCodeProvider.php
@@ -0,0 +1,141 @@
+<?php
+
+declare(strict_types=1);
+
+namespace RobThree\Auth\Providers\Qr;
+
+use BaconQrCode\Renderer\Color\Rgb;
+use BaconQrCode\Renderer\Image\EpsImageBackEnd;
+use BaconQrCode\Renderer\Image\ImageBackEndInterface;
+use BaconQrCode\Renderer\Image\ImagickImageBackEnd;
+use BaconQrCode\Renderer\Image\SvgImageBackEnd;
+use BaconQrCode\Renderer\ImageRenderer;
+use BaconQrCode\Renderer\RendererStyle\EyeFill;
+use BaconQrCode\Renderer\RendererStyle\Fill;
+use BaconQrCode\Renderer\RendererStyle\RendererStyle;
+use BaconQrCode\Writer;
+use RuntimeException;
+
+class BaconQrCodeProvider implements IQRCodeProvider
+{
+    /**
+     * Ensure we using the latest Bacon QR Code and specify default options
+     */
+    public function __construct(
+        private readonly int $borderWidth = 4,
+        private string|array $backgroundColour = '#ffffff',
+        private string|array $foregroundColour = '#000000',
+        private string       $format = 'png',
+    ) {
+        $this->backgroundColour = $this->handleColour($this->backgroundColour);
+        $this->foregroundColour = $this->handleColour($this->foregroundColour);
+        $this->format = strtolower($this->format);
+    }
+
+    public function getMimeType(): string
+    {
+        switch ($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 RuntimeException(sprintf('Unknown MIME-type: %s', $this->format));
+    }
+
+    public function getQRCodeImage(string $qrText, int $size): string
+    {
+        $backend = match ($this->format) {
+            'svg' => new SvgImageBackEnd(),
+            'eps' => new EpsImageBackEnd(),
+            default => new ImagickImageBackEnd($this->format),
+        };
+
+        $output = $this->getQRCodeByBackend($qrText, $size, $backend);
+
+        if ($this->format === 'svg') {
+            $svg = explode("\n", $output);
+            return $svg[1];
+        }
+
+        return $output;
+    }
+
+    /**
+     * Abstract QR code generation function
+     * providing colour changing support
+     */
+    private function getQRCodeByBackend($qrText, $size, ImageBackEndInterface $backend)
+    {
+        $rendererStyleArgs = array($size, $this->borderWidth);
+
+        if (is_array($this->foregroundColour) && is_array($this->backgroundColour)) {
+            $rendererStyleArgs = array(...$rendererStyleArgs, ...array(
+                null,
+                null,
+                Fill::withForegroundColor(
+                    new Rgb(...$this->backgroundColour),
+                    new Rgb(...$this->foregroundColour),
+                    new EyeFill(null, null),
+                    new EyeFill(null, null),
+                    new EyeFill(null, null)
+                ),
+            ));
+        }
+
+        $writer = new Writer(new ImageRenderer(
+            new RendererStyle(...$rendererStyleArgs),
+            $backend
+        ));
+
+        return $writer->writeString($qrText);
+    }
+
+    /**
+     * Ensure colour is an array of three values but also
+     * accept a string and assume its a 3 or 6 character hex
+     */
+    private function handleColour(array|string $colour): array|string
+    {
+        if (is_string($colour) && $colour[0] == '#') {
+            $hexToRGB = static function ($input) {
+                // ensure input no longer has a # for more predictable division
+                // PHP 8.1 does not like implicitly casting a float to an int
+                $input = trim($input, '#');
+
+                if (strlen($input) != 3 && strlen($input) != 6) {
+                    throw new RuntimeException('Colour should be a 3 or 6 character value after the #');
+                }
+
+                // split the array into three chunks
+                $split = str_split($input, strlen($input) / 3);
+
+                // cope with three character hex reference
+                if (strlen($input) == 3) {
+                    array_walk($split, static function (&$character) {
+                        $character = str_repeat($character, 2);
+                    });
+                }
+
+                // convert hex to rgb
+                return array_map('hexdec', $split);
+            };
+
+            return $hexToRGB($colour);
+        }
+
+        if (is_array($colour) && count($colour) == 3) {
+            return $colour;
+        }
+
+        throw new RuntimeException('Invalid colour value');
+    }
+}