1 files changed, 35 insertions, 0 deletions
diff --git a/internal/routing.go b/internal/routing.go
new file mode 100644
index 00000000..4462c70c
--- /dev/null
+++ b/internal/routing.go
@@ -0,0 +1,35 @@
+// Copyright 2019 The Matrix.org Foundation C.I.C.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package internal
+
+import (
+	"net/url"
+)
+
+// URLDecodeMapValues is a function that iterates through each of the items in a
+// map, URL decodes the value, and returns a new map with the decoded values
+// under the same key names
+func URLDecodeMapValues(vmap map[string]string) (map[string]string, error) {
+	decoded := make(map[string]string, len(vmap))
+	for key, value := range vmap {
+		decodedVal, err := url.PathUnescape(value)
+		if err != nil {
+			return make(map[string]string), err
+		}
+		decoded[key] = decodedVal
+	}
+
+	return decoded, nil
+}