✨ Handle a nested array of hashes in OAuth::Helper.normalize

CHANGELOG.md

@@ -11,6 +11,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 * Added CODE_OF_CONDUCT.md (#217, #218 by @pboling)
 * Added FUNDING.yml (#217, #218 by @pboling)
 * Added Client Certificate Options: :ssl_client_cert and :ssl_client_key (#136, #220 by @pboling)
+* Handle a nested array of hashes in OAuth::Helper.normalize (#80, #221 by @pboling)
 
 ### Changed
 

lib/oauth/helper.rb

@@ -47,8 +47,12 @@ def normalize(params)
           # make sure the array has an element so we don't lose the key
           values << nil if values.empty?
           # multiple values were provided for a single key
-          values.sort.collect do |v|
-            [escape(k),escape(v)] * "="
+          if values[0].is_a?(Hash)
+            normalize_nested_query(values, k)
+          else
+            values.sort.collect do |v|
+              [escape(k),escape(v)] * "="
+            end
           end
         elsif values.is_a?(Hash)
           normalize_nested_query(values, k)
@@ -58,7 +62,7 @@ def normalize(params)
       end * "&"
     end
 
-    #Returns a string representation of the Hash like in URL query string
+    # Returns a string representation of the Hash like in URL query string
     # build_nested_query({:level_1 => {:level_2 => ['value_1','value_2']}}, 'prefix'))
     #   #=> ["prefix%5Blevel_1%5D%5Blevel_2%5D%5B%5D=value_1", "prefix%5Blevel_1%5D%5Blevel_2%5D%5B%5D=value_2"]
     def normalize_nested_query(value, prefix = nil)

test/units/test_oauth_helper.rb

@@ -82,6 +82,20 @@ def test_normalize
     assert_equal("oauth_consumer_key=vince_clortho&oauth_nonce=nonce&oauth_signature_method=HMAC-SHA1&oauth_timestamp=1240004133&oauth_token=token_value&oauth_version=1.0&weight%5Bvalue%5D=65", OAuth::Helper.normalize(params))
   end
 
+  def test_normalize_with_nested_array_of_hashes
+    params = {
+      "oauth_nonce" => "nonce",
+      "weight" => { :value => "65" },
+      "items" => [{"a" => 1}, {"b" => 2}],
+      "oauth_signature_method" => "HMAC-SHA1",
+      "oauth_timestamp" => "1240004133",
+      "oauth_consumer_key" => "vince_clortho",
+      "oauth_token" => "token_value",
+      "oauth_version" => "1.0"
+    }
+    assert_equal("items%5B%5D%5Ba%5D=1&items%5B%5D%5Bb%5D=2&oauth_consumer_key=vince_clortho&oauth_nonce=nonce&oauth_signature_method=HMAC-SHA1&oauth_timestamp=1240004133&oauth_token=token_value&oauth_version=1.0&weight%5Bvalue%5D=65", OAuth::Helper.normalize(params))
+  end
+
   def test_normalize_nested_query
     assert_equal([], OAuth::Helper.normalize_nested_query({}))
     assert_equal(["foo=bar"], OAuth::Helper.normalize_nested_query({:foo => "bar"}))