Check if filename contains "." before splitting it (#53)

Author: o-nnerb

Sources/Request/Request/FormParam/FormParam.swift

@@ -54,11 +54,25 @@ internal extension FormParam {
     }
 
     func disposition<S>(_ fileName: S, withType mediaType: MediaType) -> Data where S: StringProtocol {
-        let name = fileName.split(separator: ".").dropLast().joined(separator: ".")
+        let name: String
+        if fileName.contains(".") {
+            name = fileName
+                .split(separator: ".")
+                .dropLast()
+                .joined(separator: ".")
+        } else {
+            name = "\(fileName)"
+        }
 
         var contents = Data()
-        contents.append(Data("Content-Disposition: form-data; name=\"\(name)\"; filename=\"\(fileName)\"\(breakLine)".utf8))
-        contents.append(Data("Content-Type: \(mediaType)\(breakLine)".utf8))
+
+        contents.append(Data("Content-Disposition: form-data; name=\"\(name)\";".utf8))
+        contents.append(Data("filename=\"\(fileName)\"".utf8))
+        contents.append(Data(breakLine.utf8))
+
+        contents.append(Data("Content-Type: \(mediaType)".utf8))
+        contents.append(Data(breakLine.utf8))
+
         return contents
     }