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

CHANGELOG

@@ -27,6 +27,7 @@ v 7.11.0 (unreleased)
   - Move snippets UI to fluid layout
   - Improve UI for sidebar. Increase separation between navigation and content
   - Improve new project command options (Ben Bodenmiller)
+  - Add common method to force UTF-8 and use it to properly handle non-ascii OAuth user properties (Onur Küçük)
   - Prevent sending empty messages to HipChat (Chulki Lee)
   - Improve UI for mobile phones on dashboard and project pages
   - Add room notification and message color option for HipChat

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 @)

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

spec/lib/gitlab/o_auth/auth_hash_spec.rb

@@ -2,54 +2,109 @@ require 'spec_helper'
 
 describe Gitlab::OAuth::AuthHash do
   let(:auth_hash) do
-    Gitlab::OAuth::AuthHash.new(double({
-      provider: 'twitter',
-      uid: uid,
-      info: double(info_hash)
-    }))
+    Gitlab::OAuth::AuthHash.new(
+      double({
+        provider: provider_ascii,
+        uid: uid_ascii,
+        info: double(info_hash)
+      })
+    )
   end
-  let(:uid) { 'my-uid' }
-  let(:email) { 'my-email@example.com' }
-  let(:nickname) { 'my-nickname' }
+
+  let(:uid_raw) {
+    "CN=Onur K\xC3\xBC\xC3\xA7\xC3\xBCk,OU=Test,DC=example,DC=net"
+  }
+  let(:email_raw) { "onur.k\xC3\xBC\xC3\xA7\xC3\xBCk@example.net" }
+  let(:nickname_raw) { "ok\xC3\xBC\xC3\xA7\xC3\xBCk" }
+  let(:first_name_raw) { 'Onur' }
+  let(:last_name_raw) { "K\xC3\xBC\xC3\xA7\xC3\xBCk" }
+  let(:name_raw) { "Onur K\xC3\xBC\xC3\xA7\xC3\xBCk" }
+
+  let(:provider_ascii) { 'ldap'.force_encoding(Encoding::ASCII_8BIT) }
+  let(:uid_ascii) { uid_raw.force_encoding(Encoding::ASCII_8BIT) }
+  let(:email_ascii) { email_raw.force_encoding(Encoding::ASCII_8BIT) }
+  let(:nickname_ascii) { nickname_raw.force_encoding(Encoding::ASCII_8BIT) }
+  let(:first_name_ascii) { first_name_raw.force_encoding(Encoding::ASCII_8BIT) }
+  let(:last_name_ascii) { last_name_raw.force_encoding(Encoding::ASCII_8BIT) }
+  let(:name_ascii) { name_raw.force_encoding(Encoding::ASCII_8BIT) }
+
+  let(:provider_utf8) { provider_ascii.force_encoding(Encoding::UTF_8) }
+  let(:uid_utf8) { uid_ascii.force_encoding(Encoding::UTF_8) }
+  let(:email_utf8) { email_ascii.force_encoding(Encoding::UTF_8) }
+  let(:nickname_utf8) { nickname_ascii.force_encoding(Encoding::UTF_8) }
+  let(:name_utf8) { name_ascii.force_encoding(Encoding::UTF_8) }
+
   let(:info_hash) {
     {
-      email: email,
-      nickname: nickname,
-      name: 'John',
-      first_name: "John",
-      last_name: "Who"
+      email: email_ascii,
+      first_name: first_name_ascii,
+      last_name: last_name_ascii,
+      name: name_ascii,
+      nickname: nickname_ascii,
+      uid: uid_ascii
     }
   }
 
-  context "defaults" do
-    it { expect(auth_hash.provider).to eql 'twitter' }
-    it { expect(auth_hash.uid).to eql uid }
-    it { expect(auth_hash.email).to eql email }
-    it { expect(auth_hash.username).to eql nickname }
-    it { expect(auth_hash.name).to eql "John" }
+  context 'defaults' do
+    it { expect(auth_hash.provider).to eql provider_utf8 }
+    it { expect(auth_hash.uid).to eql uid_utf8 }
+    it { expect(auth_hash.email).to eql email_utf8 }
+    it { expect(auth_hash.username).to eql nickname_utf8 }
+    it { expect(auth_hash.name).to eql name_utf8 }
     it { expect(auth_hash.password).to_not be_empty }
   end
 
-  context "email not provided" do
+  context 'email not provided' do
     before { info_hash.delete(:email) }
-    it "generates a temp email" do
+
+    it 'generates a temp email' do
       expect( auth_hash.email).to start_with('temp-email-for-oauth')
     end
   end
 
-  context "username not provided" do
+  context 'username not provided' do
     before { info_hash.delete(:nickname) }
 
-    it "takes the first part of the email as username" do
-      expect( auth_hash.username ).to eql "my-email"
+    it 'takes the first part of the email as username' do
+      expect(auth_hash.username).to eql 'onur-kucuk'
     end
   end
 
-  context "name not provided" do
+  context 'name not provided' do
     before { info_hash.delete(:name) }
 
-    it "concats first and lastname as the name" do
-      expect( auth_hash.name ).to eql "John Who"
+    it 'concats first and lastname as the name' do
+      expect(auth_hash.name).to eql name_utf8
+    end
+  end
+
+  context 'auth_hash constructed with ASCII-8BIT encoding' do
+    it 'forces utf8 encoding on uid' do
+      auth_hash.uid.encoding.should eql Encoding::UTF_8
+    end
+
+    it 'forces utf8 encoding on provider' do
+      auth_hash.provider.encoding.should eql Encoding::UTF_8
+    end
+
+    it 'forces utf8 encoding on name' do
+      auth_hash.name.encoding.should eql Encoding::UTF_8
+    end
+
+    it 'forces utf8 encoding on full_name' do
+      auth_hash.full_name.encoding.should eql Encoding::UTF_8
+    end
+
+    it 'forces utf8 encoding on username' do
+      auth_hash.username.encoding.should eql Encoding::UTF_8
+    end
+
+    it 'forces utf8 encoding on email' do
+      auth_hash.email.encoding.should eql Encoding::UTF_8
+    end
+
+    it 'forces utf8 encoding on password' do
+      auth_hash.password.encoding.should eql Encoding::UTF_8
     end
   end
-end
\ No newline at end of file
+end