Initial commit

src/utils.nim

@@ -0,0 +1,23 @@
+import strutils, strformat, uri
+import nimcrypto
+
+const key = "supersecretkey"
+
+proc mimetype*(filename: string): string =
+  if ".png" in filename:
+    return "image/" & "png"
+  elif ".jpg" in filename or ".jpeg" in filename:
+    return "image/" & "jpg"
+  elif ".mp4" in filename:
+    return "video/" & "mp4"
+  else:
+    return "text/plain"
+
+proc getHmac*(data: string): string =
+  ($hmac(sha256, key, data))[0 .. 12]
+
+proc getSigUrl*(link: string; path: string): string =
+  let
+    sig = getHmac(link)
+    url = encodeUrl(link)
+  &"/{path}/{sig}/{url}"