feat: flash (.swf) support

2 files changed, 15 insertions, 3 deletions

diff --git a/lib/file.php b/lib/file.php
index fc3e38a..61c4fb8 100644
--- a/lib/file.php
+++ b/lib/file.php
@@ -4,16 +4,20 @@ include_once $_SERVER['DOCUMENT_ROOT'] . '/../config.php';
 function verify_mimetype(string $file_path, string $mimetype): bool
 {
     $path = escapeshellarg($file_path);
+    $output = [];
+    $exitCode = 0;
 
     if (str_starts_with($mimetype, 'image/')) {
         $output = shell_exec("identify -quiet -ping $path");
         return !empty($output);
     } else if (str_starts_with($mimetype, 'video/') || str_starts_with($mimetype, 'audio/')) {
-        $output = [];
-        $exitCode = 0;
         $cmd = "ffprobe -v error -i $path 2>&1";
         exec($cmd, $output, $exitCode);
         return $exitCode === 0;
+    } else if ($mimetype == 'application/x-shockwave-flash') {
+        $cmd = "swfdump $path 2>&1";
+        exec($cmd, $output, $exitCode);
+        return $exitCode === 0;
     }
 
     throw new RuntimeException("Illegal type for MIME verifications: $mimetype");
diff --git a/lib/thumbnails.php b/lib/thumbnails.php
index 5afc775..5e99087 100644
--- a/lib/thumbnails.php
+++ b/lib/thumbnails.php
@@ -10,7 +10,15 @@ function generate_image_thumbnail(string $src_path, string $dst_path, int $width
 
     $result_code = null;
 
-    exec(command: "magick $input_path -resize {$width}x{$height} -loop 0 $output_path", result_code: $result_code);
+    if (str_ends_with($src_path, ".swf")) {
+        exec(command: "swfrender $input_path -o $output_path", result_code: $result_code);
+        if ($result_code != 0) {
+            return $result_code;
+        }
+        exec(command: "magick $output_path -resize {$width}x{$height} -loop 0 $output_path", result_code: $result_code);
+    } else {
+        exec(command: "magick $input_path -resize {$width}x{$height} -loop 0 $output_path", result_code: $result_code);
+    }
 
     return $result_code;
 }