Don't pass headers to Rack with nil or non-string values.

Closes #35
lostisland · Jul 7, 2015 · bcc9f9b · bcc9f9b
1 parent 5902d56
commit bcc9f9b
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/lib/faraday_middleware/rack_compatible.rb b/lib/faraday_middleware/rack_compatible.rb
@@ -58,7 +58,7 @@ def restore_env(rack_env)
       headers.clear
 
       rack_env.each do |name, value|
-        next unless String === name
+        next unless String === name && String === value
         if NonPrefixedHeaders.include? name or name.index('HTTP_') == 0
           name = name.sub(/^HTTP_/, '').downcase.tr('_', '-')
           headers[name] = value