add common method to force utf8 and force oauth properties to be utf8

2 files changed, 16 insertions, 7 deletions

diff --git a/lib/gitlab/o_auth/auth_hash.rb b/lib/gitlab/o_auth/auth_hash.rb
index ce52beec78e..0f16c925900 100644
--- a/lib/gitlab/o_auth/auth_hash.rb
+++ b/lib/gitlab/o_auth/auth_hash.rb
@@ -9,11 +9,11 @@ module Gitlab
       end
 
       def uid
-        auth_hash.uid.to_s
+        Gitlab::Utils.force_utf8(auth_hash.uid.to_s)
       end
 
       def provider
-        auth_hash.provider
+        Gitlab::Utils.force_utf8(auth_hash.provider.to_s)
       end
 
       def info
@@ -21,23 +21,28 @@ module Gitlab
       end
 
       def name
-        (info.try(:name) || full_name).to_s.force_encoding('utf-8')
+        Gitlab::Utils.force_utf8((info.try(:name) || full_name).to_s)
       end
 
       def full_name
-        "#{info.first_name} #{info.last_name}"
+        Gitlab::Utils.force_utf8("#{info.first_name} #{info.last_name}")
       end
 
       def username
-        (info.try(:nickname) || generate_username).to_s.force_encoding('utf-8')
+        Gitlab::Utils.force_utf8(
+          (info.try(:nickname) || generate_username).to_s
+        )
       end
 
       def email
-        (info.try(:email) || generate_temporarily_email).downcase
+        Gitlab::Utils.force_utf8(
+          (info.try(:email) || generate_temporarily_email).downcase
+        )
       end
 
       def password
-        @password ||= Devise.friendly_token[0, 8].downcase
+        devise_friendly_token = Devise.friendly_token[0, 8].downcase
+        @password ||= Gitlab::Utils.force_utf8(devise_friendly_token)
       end
 
       # Get the first part of the email address (before @)
diff --git a/lib/gitlab/utils.rb b/lib/gitlab/utils.rb
index bd184c27187..d13fe0ef8a9 100644
--- a/lib/gitlab/utils.rb
+++ b/lib/gitlab/utils.rb
@@ -9,5 +9,9 @@ module Gitlab
     def system_silent(cmd)
       Popen::popen(cmd).last.zero?
     end
+
+    def force_utf8(str)
+      str.force_encoding(Encoding::UTF_8)
+    end
   end
 end