with base64 data URIs using files from storage/app/public.
* Only affects local public storage images; external URLs and existing data URIs are left intact.
*/
public function inline(string $html): string
{
if ($html === '' || stripos($html, '
]+)src=[\"\']([^\"\']+)[\"\']([^>]*)>#i', function (array $m): string {
$before = $m[1] ?? '';
$src = $m[2] ?? '';
$after = $m[3] ?? '';
// Skip if already data URI or external
if (stripos($src, 'data:') === 0) {
return $m[0];
}
// Accept either relative (/storage/...) OR absolute URLs whose path begins with /storage/
$path = $src;
if (preg_match('#^https?://#i', $src)) {
$parts = parse_url($src);
$path = $parts['path'] ?? '';
}
if (! preg_match('#^/?storage/#i', (string) $path)) {
return $m[0];
}
$rel = ltrim(preg_replace('#^/?storage/#i', '', (string) $path), '/');
$full = storage_path('app/public/'.$rel);
if (! File::exists($full)) {
return $m[0];
}
// Determine mime type
$mime = null;
try {
$mime = File::mimeType($full);
} catch (\Throwable) {
$mime = null;
}
if ($mime === null) {
$ext = strtolower(pathinfo($full, PATHINFO_EXTENSION));
$map = [
'jpg' => 'image/jpeg',
'jpeg' => 'image/jpeg',
'png' => 'image/png',
'gif' => 'image/gif',
'svg' => 'image/svg+xml',
'webp' => 'image/webp',
];
$mime = $map[$ext] ?? 'application/octet-stream';
}
// Cap size to avoid huge emails (e.g., 5 MB)
$max = 5 * 1024 * 1024;
try {
if (File::size($full) > $max) {
return $m[0];
}
} catch (\Throwable) {
// ignore size errors
}
try {
$data = base64_encode(File::get($full));
} catch (\Throwable) {
return $m[0];
}
$dataUri = 'data:'.$mime.';base64,'.$data;
return '
';
}, $html);
}
}