Allow following redirects when passing a URL

.vscode/settings.json

@@ -0,0 +1,3 @@
+{
+    "crystal-lang.mainFile": "${workspaceRoot}/src/main.cr"
+}

shard.yml

@@ -10,6 +10,9 @@ targets:
   cli:
     main: src/console.cr
 
+crystalline:
+  main: src/main.cr
+
 dependencies:
   athena:
     github: athena-framework/framework

src/controllers/paste_controller.cr

@@ -38,7 +38,6 @@ module Paste69
               raise ATH::Exceptions::BadRequest.new("Missing token")
             end
 
-
             if fd.has_key?("delete")
               paste.delete
               return ATH::Response.new("", status: 200)

src/services/utils_service.cr

@@ -88,6 +88,12 @@ module Paste69
 
       headers = HTTP::Headers{  "Accept-Encoding" => "identity" }
       res = HTTP::Client.get(url, headers: headers)
+      attempts = 1
+
+      while (location = res.headers["Location"]?) && attempts <= 3
+        res = HTTP::Client.get(location, headers: headers)
+        attempts += 1
+      end
 
       if res.status.to_i >= 300
         raise ATH::Exceptions::BadRequest.new("URL response was not OK")