Initial

MareSynchronosServer/MareSynchronosStaticFilesServer/Utils/FilePathUtil.cs

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+namespace MareSynchronosStaticFilesServer.Utils;
+
+public static partial class FilePathUtil
+{
+    public static FileInfo GetFileInfoForHash(string basePath, string hash)
+    {
+        if (hash.Length != 40 || !hash.All(char.IsAsciiLetterOrDigit)) throw new InvalidOperationException();
+
+        FileInfo fi = new(Path.Join(basePath, hash[0].ToString(), hash));
+        if (!fi.Exists)
+        {
+            fi = new FileInfo(Path.Join(basePath, hash));
+            if (!fi.Exists)
+            {
+                return null;
+            }
+        }
+
+        return fi;
+    }
+
+    public static string GetFilePath(string basePath, string hash)
+    {
+        if (hash.Length != 40 || !hash.All(char.IsAsciiLetterOrDigit)) throw new InvalidOperationException();
+
+        var dirPath = Path.Join(basePath, hash[0].ToString());
+        var path = Path.Join(dirPath, hash);
+        if (!Directory.Exists(dirPath)) Directory.CreateDirectory(dirPath);
+        return path;
+    }
+}