Improve handling of URLs

src/controllers/paste_controller.cr

@@ -136,6 +136,7 @@ module Paste69
 
       if form.has_key?("file")
         filename, body = form["file"]
+      end
 
       if form.has_key?("ext")
         _, ext = form["ext"]
@@ -144,6 +145,7 @@ module Paste69
         filename = "#{filename}.#{ext}"
       end
 
+      if body
         @utils.store_file(
           body,
           content_type,
@@ -157,6 +159,8 @@ module Paste69
         _, body = form["url"]
         @utils.store_url(
           String.new(body),
+          filename,
+          expires ? String.new(expires).to_i64 : nil,
           remote_addr,
           user_agent,
           !!secret,

src/services/utils_service.cr

@@ -81,7 +81,7 @@ module Paste69
       res
     end
 
-    def store_url(url : String, addr : String? = nil, ua : String? = nil, secret : Bool = false)
+    def store_url(url : String, filename : String? = nil, requested_expiration : Int64? = nil, addr : String? = nil, ua : String? = nil, secret : Bool = false)
       if is_fhost_url?(url)
         raise ATH::Exceptions::BadRequest.new("Invalid URL")
       end
@@ -102,7 +102,8 @@ module Paste69
       if res.headers.has_key?("Content-Length")
         l = res.headers["Content-Length"].to_i64
         if l <= @config.get("max_content_length").as_i64
-          return store_file(res.body.to_slice, res.headers["Content-Type"], nil, nil, addr, ua, secret)
+          filename ||= File.basename(url)
+          return store_file(res.body.to_slice, res.headers["Content-Type"], filename, nil, addr, ua, secret)
         else
           raise Exceptions::ContentTooLarge.new("Content-Length was too large")
         end