X-Git-Url: https://git.openstreetmap.org./rails.git/blobdiff_plain/10d65cc8571d38bb6af6d9022edb98a294ad2f2d..7b05c1c060f3f85f47413ec7db984180514d3ba6:/test/integration/user_creation_test.rb

diff --git a/test/integration/user_creation_test.rb b/test/integration/user_creation_test.rb
index 8ec0dc9bc..f75fde75e 100644
--- a/test/integration/user_creation_test.rb
+++ b/test/integration/user_creation_test.rb
@@ -32,10 +32,33 @@ class UserCreationTest < ActionDispatch::IntegrationTest
         perform_enqueued_jobs do
           post "/user/new",
                :params => { :user => { :email => dup_email,
-                                       :email_confirmation => dup_email,
                                        :display_name => display_name,
                                        :pass_crypt => "testtest",
-                                       :pass_crypt_confirmation => "testtest" } }
+                                       :pass_crypt_confirmation => "testtest",
+                                       :consider_pd => "1" } }
+        end
+      end
+    end
+    assert_response :success
+    assert_template "users/new"
+    assert_select "form"
+    assert_select "form > div > input.is-invalid#user_email"
+  end
+
+  def test_user_create_association_submit_duplicate_email
+    dup_email = create(:user).email
+    display_name = "new_tester"
+    assert_difference("User.count", 0) do
+      assert_no_difference("ActionMailer::Base.deliveries.size") do
+        perform_enqueued_jobs do
+          post "/user/new",
+               :params => { :user => { :email => dup_email,
+                                       :display_name => display_name,
+                                       :pass_crypt => "testtest",
+                                       :pass_crypt_confirmation => "testtest",
+                                       :auth_provider => "google",
+                                       :auth_uid => "123454321",
+                                       :consider_pd => "1" } }
         end
       end
     end
@@ -53,7 +76,6 @@ class UserCreationTest < ActionDispatch::IntegrationTest
         perform_enqueued_jobs do
           post "/user/new",
                :params => { :user => { :email => email,
-                                       :email_confirmation => email,
                                        :display_name => dup_display_name,
                                        :pass_crypt => "testtest",
                                        :pass_crypt_confirmation => "testtest" } }
@@ -65,84 +87,97 @@ class UserCreationTest < ActionDispatch::IntegrationTest
     assert_select "form > div > input.is-invalid#user_display_name"
   end
 
-  def test_user_create_success
-    new_email = "newtester@osm.org"
+  def test_user_create_submit_mismatched_passwords
+    email = "newtester@osm.org"
     display_name = "new_tester"
-
     assert_difference("User.count", 0) do
       assert_difference("ActionMailer::Base.deliveries.size", 0) do
         perform_enqueued_jobs do
           post "/user/new",
-               :params => { :user => { :email => new_email,
-                                       :email_confirmation => new_email,
+               :params => { :user => { :email => email,
                                        :display_name => display_name,
                                        :pass_crypt => "testtest",
-                                       :pass_crypt_confirmation => "testtest" } }
+                                       :pass_crypt_confirmation => "blahblah",
+                                       :consider_pd => "1" } }
         end
       end
     end
+    assert_response :success
+    assert_template "users/new"
+    assert_select "form > div > div > div > input.is-invalid#user_pass_crypt_confirmation"
+  end
 
-    assert_redirected_to "/user/terms"
-
-    assert_difference("User.count") do
-      assert_difference("ActionMailer::Base.deliveries.size", 1) do
+  def test_user_create_association_submit_duplicate_username
+    dup_display_name = create(:user).display_name
+    email = "new_tester"
+    assert_difference("User.count", 0) do
+      assert_no_difference("ActionMailer::Base.deliveries.size") do
         perform_enqueued_jobs do
-          post "/user/save",
-               :params => { :read_ct => 1, :read_tou => 1 }
-          follow_redirect!
+          post "/user/new",
+               :params => { :user => { :email => email,
+                                       :display_name => dup_display_name,
+                                       :auth_provider => "google",
+                                       :auth_uid => "123454321",
+                                       :consider_pd => "1" } }
         end
       end
     end
-
-    # Check the e-mail
-    register_email = ActionMailer::Base.deliveries.first
-
-    assert_equal register_email.to.first, new_email
-    # Check that the confirm account url is correct
-    assert_match(/#{@url}/, register_email.body.to_s)
-
-    # Check the page
     assert_response :success
-    assert_template "confirmations/confirm"
-
-    ActionMailer::Base.deliveries.clear
+    assert_template "users/new"
+    assert_select "form > div > input.is-invalid#user_display_name"
   end
 
-  def test_user_create_no_tou_failure
-    new_email = "#newtester@osm.org"
+  def test_user_create_success
+    new_email = "newtester@osm.org"
     display_name = "new_tester"
 
-    assert_difference("User.count", 0) do
-      assert_difference("ActionMailer::Base.deliveries.size", 0) do
+    assert_difference("User.count", 1) do
+      assert_difference("ActionMailer::Base.deliveries.size", 1) do
         perform_enqueued_jobs do
           post "/user/new",
                :params => { :user => { :email => new_email,
-                                       :email_confirmation => new_email,
                                        :display_name => display_name,
                                        :pass_crypt => "testtest",
-                                       :pass_crypt_confirmation => "testtest" } }
+                                       :pass_crypt_confirmation => "testtest",
+                                       :consider_pd => "1" } }
+          assert_redirected_to :controller => :confirmations, :action => :confirm, :display_name => display_name
+          follow_redirect!
         end
       end
     end
 
-    assert_redirected_to "/user/terms"
+    assert_response :success
+    assert_template "confirmations/confirm"
 
-    perform_enqueued_jobs do
-      post "/user/save"
-      assert_redirected_to "/user/terms"
-    end
+    user = User.find_by(:email => "newtester@osm.org")
+    assert_not_nil user
+    assert_not_predicate user, :active?
 
+    register_email = ActionMailer::Base.deliveries.first
+    assert_equal register_email.to.first, new_email
+    found_confirmation_url = register_email.parts.first.parts.first.to_s =~ %r{\shttp://test.host(/\S+)\s}
+    assert found_confirmation_url
+    confirmation_url = Regexp.last_match(1)
     ActionMailer::Base.deliveries.clear
+
+    post confirmation_url
+
+    assert_redirected_to welcome_path
+
+    user.reload
+    assert_predicate user, :active?
+
+    assert_equal user, User.authenticate(:username => new_email, :password => "testtest")
   end
 
   # Check that the user can successfully recover their password
-  def test_lost_password_recovery_success
-    # Open the lost password form
-    # Submit the lost password form
-    # Check the e-mail
-    # Submit the reset password token
-    # Check that the password has changed, and the user can login
-  end
+  # def test_lost_password_recovery_success
+  #   Open the lost password form
+  #   Submit the lost password form
+  #   Check the e-mail
+  #   Submit the reset password token
+  #   Check that the password has changed, and the user can login
+  # end
 
   def test_user_create_redirect
     new_email = "redirect_tester@osm.org"
@@ -155,19 +190,13 @@ class UserCreationTest < ActionDispatch::IntegrationTest
         perform_enqueued_jobs do
           post "/user/new",
                :params => { :user => { :email => new_email,
-                                       :email_confirmation => new_email,
                                        :display_name => display_name,
                                        :pass_crypt => password,
-                                       :pass_crypt_confirmation => password },
+                                       :pass_crypt_confirmation => password,
+                                       :consider_pd => "1" },
                             :referer => referer }
-          assert_redirected_to "/user/terms"
-          post "/user/save",
-               :params => { :user => { :email => new_email,
-                                       :email_confirmation => new_email,
-                                       :display_name => display_name,
-                                       :pass_crypt => password,
-                                       :pass_crypt_confirmation => password },
-                            :read_ct => 1, :read_tou => 1 }
+          assert_response(:redirect)
+          assert_redirected_to :controller => :confirmations, :action => :confirm, :display_name => display_name
           follow_redirect!
         end
       end
@@ -178,11 +207,11 @@ class UserCreationTest < ActionDispatch::IntegrationTest
 
     assert_equal register_email.to.first, new_email
     # Check that the confirm account url is correct
-    confirm_regex = Regexp.new("/user/redirect_tester/confirm\\?confirm_string=([a-zA-Z0-9_-]*)")
+    confirm_regex = Regexp.new("confirm_string=([a-zA-Z0-9%_-]*)")
     email_text_parts(register_email).each do |part|
       assert_match confirm_regex, part.body.to_s
     end
-    confirm_string = email_text_parts(register_email).first.body.match(confirm_regex)[1]
+    confirm_string = CGI.unescape(email_text_parts(register_email).first.body.match(confirm_regex)[1])
 
     # Check the page
     assert_response :success
@@ -191,11 +220,11 @@ class UserCreationTest < ActionDispatch::IntegrationTest
     ActionMailer::Base.deliveries.clear
 
     # Go to the confirmation page
-    get "/user/#{display_name}/confirm", :params => { :confirm_string => confirm_string }
+    get "/user/#{display_name}/confirm", :params => { :referer => "/welcome", :confirm_string => confirm_string }
     assert_response :success
     assert_template "confirmations/confirm"
 
-    post "/user/#{display_name}/confirm", :params => { :confirm_string => confirm_string }
+    post "/user/#{display_name}/confirm", :params => { :referer => "/welcome", :confirm_string => confirm_string }
     assert_response :redirect
     follow_redirect!
     assert_response :success
@@ -203,48 +232,59 @@ class UserCreationTest < ActionDispatch::IntegrationTest
   end
 
   def test_user_create_openid_success
-    OmniAuth.config.add_mock(:openid, :uid => "http://localhost:1123/new.tester")
-
     new_email = "newtester-openid@osm.org"
     display_name = "new_tester-openid"
-    password = "testtest"
+    openid_url = "http://localhost:1000/new.tester"
+    auth_uid = "http://localhost:1123/new.tester"
+
+    OmniAuth.config.add_mock(:openid,
+                             :uid => auth_uid,
+                             :info => { :email => new_email, :name => display_name })
+
     assert_difference("User.count") do
       assert_difference("ActionMailer::Base.deliveries.size", 1) do
         perform_enqueued_jobs do
-          post "/user/new",
-               :params => { :user => { :email => new_email,
-                                       :email_confirmation => new_email,
-                                       :display_name => display_name,
-                                       :auth_provider => "openid",
-                                       :auth_uid => "http://localhost:1123/new.tester",
-                                       :pass_crypt => "",
-                                       :pass_crypt_confirmation => "" } }
-          assert_response :redirect
-          assert_redirected_to auth_path(:provider => "openid", :openid_url => "http://localhost:1123/new.tester", :origin => "/user/new")
-          post response.location
-          assert_response :redirect
-          assert_redirected_to auth_success_path(:provider => "openid", :openid_url => "http://localhost:1123/new.tester", :origin => "/user/new")
+          post auth_path(:provider => "openid", :openid_url => openid_url, :origin => "/user/new")
+          assert_redirected_to auth_success_path(:provider => "openid", :openid_url => openid_url, :origin => "/user/new")
           follow_redirect!
-          assert_response :redirect
-          assert_redirected_to "/user/terms"
-          post "/user/save",
+          assert_redirected_to :controller => :users, :action => "new", :nickname => display_name, :email => new_email,
+                               :auth_provider => "openid", :auth_uid => auth_uid
+          follow_redirect!
+          post "/user/new",
                :params => { :user => { :email => new_email,
-                                       :email_confirmation => new_email,
                                        :display_name => display_name,
                                        :auth_provider => "openid",
-                                       :auth_uid => "http://localhost:1123/new.tester",
-                                       :pass_crypt => password,
-                                       :pass_crypt_confirmation => password },
-                            :read_ct => 1, :read_tou => 1 }
-          assert_response :redirect
-          follow_redirect!
+                                       :auth_uid => auth_uid,
+                                       :consider_pd => "1" } }
         end
       end
     end
 
     # Check the page
+    assert_redirected_to :controller => :confirmations, :action => :confirm, :display_name => display_name
+
+    ActionMailer::Base.deliveries.clear
+  end
+
+  def test_user_create_openid_duplicate_email
+    dup_user = create(:user)
+    display_name = "new_tester-openid"
+    auth_uid = "123454321"
+
+    OmniAuth.config.add_mock(:openid,
+                             :uid => auth_uid,
+                             :info => { :email => dup_user.email, :name => display_name })
+
+    post auth_path(:provider => "openid", :origin => "/user/new")
+    assert_redirected_to auth_success_path(:provider => "openid", :origin => "/user/new")
+    follow_redirect!
+    assert_redirected_to :controller => :users, :action => "new", :nickname => display_name, :email => dup_user.email,
+                         :auth_provider => "openid", :auth_uid => auth_uid
+    follow_redirect!
+
     assert_response :success
-    assert_template "confirmations/confirm"
+    assert_template "users/new"
+    assert_select "form > div > input.is-invalid#user_email"
 
     ActionMailer::Base.deliveries.clear
   end
@@ -252,32 +292,14 @@ class UserCreationTest < ActionDispatch::IntegrationTest
   def test_user_create_openid_failure
     OmniAuth.config.mock_auth[:openid] = :connection_failed
 
-    new_email = "newtester-openid2@osm.org"
-    display_name = "new_tester-openid2"
     assert_difference("User.count", 0) do
       assert_difference("ActionMailer::Base.deliveries.size", 0) do
         perform_enqueued_jobs do
-          post "/user/new",
-               :params => { :user => { :email => new_email,
-                                       :email_confirmation => new_email,
-                                       :display_name => display_name,
-                                       :auth_provider => "openid",
-                                       :auth_uid => "http://localhost:1123/new.tester",
-                                       :pass_crypt => "",
-                                       :pass_crypt_confirmation => "" } }
-          assert_response :redirect
-          assert_redirected_to auth_path(:provider => "openid", :openid_url => "http://localhost:1123/new.tester", :origin => "/user/new")
-          post response.location
-          assert_response :redirect
-          assert_redirected_to auth_success_path(:provider => "openid", :openid_url => "http://localhost:1123/new.tester", :origin => "/user/new")
+          post auth_path(:provider => "openid", :openid_url => "http://localhost:1123/new.tester", :origin => "/user/new")
           follow_redirect!
-          assert_response :redirect
           assert_redirected_to auth_failure_path(:strategy => "openid", :message => "connection_failed", :origin => "/user/new")
           follow_redirect!
-          assert_response :redirect
-          follow_redirect!
-          assert_response :success
-          assert_template "users/new"
+          assert_redirected_to "/user/new"
         end
       end
     end
@@ -286,41 +308,30 @@ class UserCreationTest < ActionDispatch::IntegrationTest
   end
 
   def test_user_create_openid_redirect
-    OmniAuth.config.add_mock(:openid, :uid => "http://localhost:1123/new.tester")
-
+    openid_url = "http://localhost:1000/new.tester"
+    auth_uid = "http://localhost:1123/new.tester"
     new_email = "redirect_tester_openid@osm.org"
     display_name = "redirect_tester_openid"
-    # nothing special about this page, just need a protected page to redirect back to.
-    referer = "/traces/mine"
+
+    OmniAuth.config.add_mock(:openid,
+                             :uid => auth_uid,
+                             :info => { :email => new_email, :name => display_name })
+
     assert_difference("User.count") do
       assert_difference("ActionMailer::Base.deliveries.size", 1) do
         perform_enqueued_jobs do
-          post "/user/new",
-               :params => { :user => { :email => new_email,
-                                       :email_confirmation => new_email,
-                                       :display_name => display_name,
-                                       :auth_provider => "openid",
-                                       :auth_uid => "http://localhost:1123/new.tester",
-                                       :pass_crypt => "",
-                                       :pass_crypt_confirmation => "" },
-                            :referer => referer }
-          assert_response :redirect
-          assert_redirected_to auth_path(:provider => "openid", :openid_url => "http://localhost:1123/new.tester", :origin => "/user/new")
-          post response.location
-          assert_response :redirect
-          assert_redirected_to auth_success_path(:provider => "openid", :openid_url => "http://localhost:1123/new.tester", :origin => "/user/new")
+          post auth_path(:provider => "openid", :openid_url => openid_url, :origin => "/user/new")
+          assert_redirected_to auth_success_path(:provider => "openid", :openid_url => openid_url, :origin => "/user/new")
           follow_redirect!
-          assert_response :redirect
-          assert_redirected_to "/user/terms"
-          post "/user/save",
+          assert_redirected_to :controller => :users, :action => "new", :nickname => display_name, :email => new_email,
+                               :auth_provider => "openid", :auth_uid => auth_uid
+          follow_redirect!
+          post "/user/new",
                :params => { :user => { :email => new_email,
-                                       :email_confirmation => new_email,
                                        :display_name => display_name,
                                        :auth_provider => "openid",
-                                       :auth_uid => "http://localhost:1123/new.tester",
-                                       :pass_crypt => "testtest",
-                                       :pass_crypt_confirmation => "testtest" },
-                            :read_ct => 1, :read_tou => 1 }
+                                       :auth_uid => auth_uid,
+                                       :consider_pd => "1" } }
           follow_redirect!
         end
       end
@@ -331,11 +342,11 @@ class UserCreationTest < ActionDispatch::IntegrationTest
 
     assert_equal register_email.to.first, new_email
     # Check that the confirm account url is correct
-    confirm_regex = Regexp.new("/user/redirect_tester_openid/confirm\\?confirm_string=([a-zA-Z0-9_-]*)")
+    confirm_regex = Regexp.new("confirm_string=([a-zA-Z0-9%_-]*)")
     email_text_parts(register_email).each do |part|
       assert_match confirm_regex, part.body.to_s
     end
-    confirm_string = email_text_parts(register_email).first.body.match(confirm_regex)[1]
+    confirm_string = CGI.unescape(email_text_parts(register_email).first.body.match(confirm_regex)[1])
 
     # Check the page
     assert_response :success
@@ -344,11 +355,11 @@ class UserCreationTest < ActionDispatch::IntegrationTest
     ActionMailer::Base.deliveries.clear
 
     # Go to the confirmation page
-    get "/user/#{display_name}/confirm", :params => { :confirm_string => confirm_string }
+    get "/user/#{display_name}/confirm", :params => { :referer => "/welcome", :confirm_string => confirm_string }
     assert_response :success
     assert_template "confirmations/confirm"
 
-    post "/user/#{display_name}/confirm", :params => { :confirm_string => confirm_string }
+    post "/user/#{display_name}/confirm", :params => { :referer => "/welcome", :confirm_string => confirm_string }
     assert_response :redirect
     follow_redirect!
     assert_response :success
@@ -357,39 +368,33 @@ class UserCreationTest < ActionDispatch::IntegrationTest
 
   def test_user_create_google_success
     new_email = "newtester-google@osm.org"
+    email_hmac = UsersController.message_hmac(new_email)
     display_name = "new_tester-google"
-    password = "testtest"
+    auth_uid = "123454321"
 
-    OmniAuth.config.add_mock(:google, :uid => "123454321", :info => { "email" => new_email })
+    OmniAuth.config.add_mock(:google,
+                             :uid => auth_uid,
+                             :extra => { :id_info => { :openid_id => "http://localhost:1123/new.tester" } },
+                             :info => { :email => new_email, :name => display_name })
 
     assert_difference("User.count") do
       assert_no_difference("ActionMailer::Base.deliveries.size") do
         perform_enqueued_jobs do
-          post "/user/new",
-               :params => { :user => { :email => new_email,
-                                       :email_confirmation => new_email,
-                                       :display_name => display_name,
-                                       :auth_provider => "google",
-                                       :pass_crypt => "",
-                                       :pass_crypt_confirmation => "" } }
-          assert_response :redirect
-          assert_redirected_to auth_path(:provider => "google", :origin => "/user/new")
-          post response.location
-          assert_response :redirect
+          post auth_path(:provider => "google", :origin => "/user/new")
           assert_redirected_to auth_success_path(:provider => "google")
           follow_redirect!
-          assert_response :redirect
-          assert_redirected_to "/user/terms"
-          post "/user/save",
+          assert_redirected_to :controller => :users, :action => "new", :nickname => display_name,
+                               :email => new_email, :email_hmac => email_hmac,
+                               :auth_provider => "google", :auth_uid => auth_uid
+          follow_redirect!
+
+          post "/user/new",
                :params => { :user => { :email => new_email,
-                                       :email_confirmation => new_email,
                                        :display_name => display_name,
                                        :auth_provider => "google",
-                                       :auth_uid => "123454321",
-                                       :pass_crypt => password,
-                                       :pass_crypt_confirmation => password },
-                            :read_ct => 1, :read_tou => 1 }
-          assert_response :redirect
+                                       :auth_uid => auth_uid,
+                                       :consider_pd => "1" },
+                            :email_hmac => email_hmac }
           assert_redirected_to welcome_path
           follow_redirect!
         end
@@ -403,34 +408,43 @@ class UserCreationTest < ActionDispatch::IntegrationTest
     ActionMailer::Base.deliveries.clear
   end
 
+  def test_user_create_google_duplicate_email
+    dup_user = create(:user)
+    display_name = "new_tester-google"
+    auth_uid = "123454321"
+
+    OmniAuth.config.add_mock(:google,
+                             :uid => auth_uid,
+                             :extra => { :id_info => { :openid_id => "http://localhost:1123/new.tester" } },
+                             :info => { :email => dup_user.email, :name => display_name })
+
+    post auth_path(:provider => "google", :origin => "/user/new")
+    assert_redirected_to auth_success_path(:provider => "google")
+    follow_redirect!
+    assert_redirected_to :controller => :users, :action => "new", :nickname => display_name, :email => dup_user.email,
+                         :email_hmac => UsersController.message_hmac(dup_user.email),
+                         :auth_provider => "google", :auth_uid => auth_uid
+    follow_redirect!
+
+    assert_response :success
+    assert_template "users/new"
+    assert_select "form > div > input.is-invalid#user_email"
+
+    ActionMailer::Base.deliveries.clear
+  end
+
   def test_user_create_google_failure
     OmniAuth.config.mock_auth[:google] = :connection_failed
 
-    new_email = "newtester-google2@osm.org"
-    display_name = "new_tester-google2"
     assert_difference("User.count", 0) do
       assert_difference("ActionMailer::Base.deliveries.size", 0) do
         perform_enqueued_jobs do
-          post "/user/new",
-               :params => { :user => { :email => new_email,
-                                       :email_confirmation => new_email,
-                                       :display_name => display_name,
-                                       :auth_provider => "google",
-                                       :pass_crypt => "",
-                                       :pass_crypt_confirmation => "" } }
-          assert_response :redirect
-          assert_redirected_to auth_path(:provider => "google", :origin => "/user/new")
-          post response.location
+          post auth_path(:provider => "google", :origin => "/user/new")
           assert_response :redirect
-          assert_redirected_to auth_success_path(:provider => "google")
           follow_redirect!
-          assert_response :redirect
           assert_redirected_to auth_failure_path(:strategy => "google", :message => "connection_failed", :origin => "/user/new")
           follow_redirect!
-          assert_response :redirect
-          follow_redirect!
-          assert_response :success
-          assert_template "users/new"
+          assert_redirected_to "/user/new"
         end
       end
     end
@@ -439,42 +453,35 @@ class UserCreationTest < ActionDispatch::IntegrationTest
   end
 
   def test_user_create_google_redirect
-    OmniAuth.config.add_mock(:google, :uid => "123454321", :extra => {
-                               :id_info => { "openid_id" => "http://localhost:1123/new.tester" }
-                             })
-
-    new_email = "redirect_tester_google@osm.org"
+    orig_email = "redirect_tester_google_orig@google.com"
+    email_hmac = UsersController.message_hmac(orig_email)
+    new_email =  "redirect_tester_google@osm.org"
     display_name = "redirect_tester_google"
-    # nothing special about this page, just need a protected page to redirect back to.
-    referer = "/traces/mine"
+    auth_uid = "123454321"
+
+    OmniAuth.config.add_mock(:google,
+                             :uid => auth_uid,
+                             :extra => { :id_info => { :openid_id => "http://localhost:1123/new.tester" } },
+                             :info => { :email => orig_email, :name => display_name })
+
     assert_difference("User.count") do
       assert_difference("ActionMailer::Base.deliveries.size", 1) do
         perform_enqueued_jobs do
-          post "/user/new",
-               :params => { :user => { :email => new_email,
-                                       :email_confirmation => new_email,
-                                       :display_name => display_name,
-                                       :auth_provider => "google",
-                                       :pass_crypt => "",
-                                       :pass_crypt_confirmation => "" },
-                            :referer => referer }
-          assert_response :redirect
-          assert_redirected_to auth_path(:provider => "google", :origin => "/user/new")
-          post response.location
-          assert_response :redirect
+          post auth_path(:provider => "google", :origin => "/user/new")
           assert_redirected_to auth_success_path(:provider => "google")
           follow_redirect!
-          assert_response :redirect
-          assert_redirected_to "/user/terms"
-          post "/user/save",
+          assert_redirected_to :controller => :users, :action => "new", :nickname => display_name,
+                               :email => orig_email, :email_hmac => email_hmac,
+                               :auth_provider => "google", :auth_uid => auth_uid
+          follow_redirect!
+          post "/user/new",
                :params => { :user => { :email => new_email,
-                                       :email_confirmation => new_email,
+                                       :email_hmac => email_hmac,
                                        :display_name => display_name,
                                        :auth_provider => "google",
-                                       :auth_uid => "http://localhost:1123/new.tester",
-                                       :pass_crypt => "testtest",
-                                       :pass_crypt_confirmation => "testtest" },
-                            :read_ct => 1, :read_tou => 1 }
+                                       :auth_uid => auth_uid,
+                                       :consider_pd => "1" } }
+          assert_response :redirect
           follow_redirect!
         end
       end
@@ -485,11 +492,11 @@ class UserCreationTest < ActionDispatch::IntegrationTest
 
     assert_equal register_email.to.first, new_email
     # Check that the confirm account url is correct
-    confirm_regex = Regexp.new("/user/redirect_tester_google/confirm\\?confirm_string=([a-zA-Z0-9_-]*)")
+    confirm_regex = Regexp.new("confirm_string=([a-zA-Z0-9%_-]*)")
     email_text_parts(register_email).each do |part|
       assert_match confirm_regex, part.body.to_s
     end
-    confirm_string = email_text_parts(register_email).first.body.match(confirm_regex)[1]
+    confirm_string = CGI.unescape(email_text_parts(register_email).first.body.match(confirm_regex)[1])
 
     # Check the page
     assert_response :success
@@ -498,11 +505,11 @@ class UserCreationTest < ActionDispatch::IntegrationTest
     ActionMailer::Base.deliveries.clear
 
     # Go to the confirmation page
-    get "/user/#{display_name}/confirm", :params => { :confirm_string => confirm_string }
+    get "/user/#{display_name}/confirm", :params => { :referer => "/welcome", :confirm_string => confirm_string }
     assert_response :success
     assert_template "confirmations/confirm"
 
-    post "/user/#{display_name}/confirm", :params => { :confirm_string => confirm_string }
+    post "/user/#{display_name}/confirm", :params => { :referer => "/welcome", :confirm_string => confirm_string }
     assert_response :redirect
     follow_redirect!
     assert_response :success
@@ -511,39 +518,32 @@ class UserCreationTest < ActionDispatch::IntegrationTest
 
   def test_user_create_facebook_success
     new_email = "newtester-facebook@osm.org"
+    email_hmac = UsersController.message_hmac(new_email)
     display_name = "new_tester-facebook"
-    password = "testtest"
+    auth_uid = "123454321"
 
-    OmniAuth.config.add_mock(:facebook, :uid => "123454321", :info => { "email" => new_email })
+    OmniAuth.config.add_mock(:facebook,
+                             :uid => auth_uid,
+                             :info => { "email" => new_email, :name => display_name })
 
     assert_difference("User.count") do
       assert_no_difference("ActionMailer::Base.deliveries.size") do
         perform_enqueued_jobs do
-          post "/user/new",
-               :params => { :user => { :email => new_email,
-                                       :email_confirmation => new_email,
-                                       :display_name => display_name,
-                                       :auth_provider => "facebook",
-                                       :pass_crypt => "",
-                                       :pass_crypt_confirmation => "" } }
-          assert_response :redirect
-          assert_redirected_to auth_path(:provider => "facebook", :origin => "/user/new")
-          post response.location
-          assert_response :redirect
+          post auth_path(:provider => "facebook", :origin => "/user/new")
           assert_redirected_to auth_success_path(:provider => "facebook")
           follow_redirect!
-          assert_response :redirect
-          assert_redirected_to "/user/terms"
-          post "/user/save",
+          assert_redirected_to :controller => :users, :action => "new", :nickname => display_name,
+                               :email => new_email, :email_hmac => email_hmac,
+                               :auth_provider => "facebook", :auth_uid => auth_uid
+          follow_redirect!
+
+          post "/user/new",
                :params => { :user => { :email => new_email,
-                                       :email_confirmation => new_email,
                                        :display_name => display_name,
                                        :auth_provider => "facebook",
-                                       :auth_uid => "123454321",
-                                       :pass_crypt => password,
-                                       :pass_crypt_confirmation => password },
-                            :read_ct => 1, :read_tou => 1 }
-          assert_response :redirect
+                                       :auth_uid => auth_uid,
+                                       :consider_pd => "1" },
+                            :email_hmac => email_hmac }
           assert_redirected_to welcome_path
           follow_redirect!
         end
@@ -557,34 +557,42 @@ class UserCreationTest < ActionDispatch::IntegrationTest
     ActionMailer::Base.deliveries.clear
   end
 
+  def test_user_create_facebook_duplicate_email
+    dup_user = create(:user)
+    display_name = "new_tester-facebook"
+    auth_uid = "123454321"
+
+    OmniAuth.config.add_mock(:facebook,
+                             :uid => auth_uid,
+                             :info => { :email => dup_user.email, :name => display_name })
+
+    post auth_path(:provider => "facebook", :origin => "/user/new")
+    assert_redirected_to auth_success_path(:provider => "facebook")
+    follow_redirect!
+    assert_redirected_to :controller => :users, :action => "new", :nickname => display_name, :email => dup_user.email,
+                         :email_hmac => UsersController.message_hmac(dup_user.email),
+                         :auth_provider => "facebook", :auth_uid => auth_uid
+    follow_redirect!
+
+    assert_response :success
+    assert_template "users/new"
+    assert_select "form > div > input.is-invalid#user_email"
+
+    ActionMailer::Base.deliveries.clear
+  end
+
   def test_user_create_facebook_failure
     OmniAuth.config.mock_auth[:facebook] = :connection_failed
 
-    new_email = "newtester-facebook2@osm.org"
-    display_name = "new_tester-facebook2"
     assert_difference("User.count", 0) do
       assert_difference("ActionMailer::Base.deliveries.size", 0) do
         perform_enqueued_jobs do
-          post "/user/new",
-               :params => { :user => { :email => new_email,
-                                       :email_confirmation => new_email,
-                                       :display_name => display_name,
-                                       :auth_provider => "facebook",
-                                       :pass_crypt => "",
-                                       :pass_crypt_confirmation => "" } }
+          post auth_path(:provider => "facebook", :origin => "/user/new")
           assert_response :redirect
-          assert_redirected_to auth_path(:provider => "facebook", :origin => "/user/new")
-          post response.location
-          assert_response :redirect
-          assert_redirected_to auth_success_path(:provider => "facebook")
           follow_redirect!
-          assert_response :redirect
           assert_redirected_to auth_failure_path(:strategy => "facebook", :message => "connection_failed", :origin => "/user/new")
           follow_redirect!
-          assert_response :redirect
-          follow_redirect!
-          assert_response :success
-          assert_template "users/new"
+          assert_redirected_to "/user/new"
         end
       end
     end
@@ -593,40 +601,36 @@ class UserCreationTest < ActionDispatch::IntegrationTest
   end
 
   def test_user_create_facebook_redirect
-    OmniAuth.config.add_mock(:facebook, :uid => "123454321")
-
+    orig_email = "redirect_tester_facebook_orig@osm.org"
+    email_hmac = UsersController.message_hmac(orig_email)
     new_email = "redirect_tester_facebook@osm.org"
     display_name = "redirect_tester_facebook"
+    auth_uid = "123454321"
+
+    OmniAuth.config.add_mock(:facebook,
+                             :uid => auth_uid,
+                             :info => { :email => orig_email, :name => display_name })
+
     # nothing special about this page, just need a protected page to redirect back to.
-    referer = "/traces/mine"
     assert_difference("User.count") do
       assert_difference("ActionMailer::Base.deliveries.size", 1) do
         perform_enqueued_jobs do
-          post "/user/new",
-               :params => { :user => { :email => new_email,
-                                       :email_confirmation => new_email,
-                                       :display_name => display_name,
-                                       :auth_provider => "facebook",
-                                       :pass_crypt => "",
-                                       :pass_crypt_confirmation => "" },
-                            :referer => referer }
-          assert_response :redirect
-          assert_redirected_to auth_path(:provider => "facebook", :origin => "/user/new")
-          post response.location
-          assert_response :redirect
+          post auth_path(:provider => "facebook", :origin => "/user/new")
           assert_redirected_to auth_success_path(:provider => "facebook")
           follow_redirect!
-          assert_response :redirect
-          assert_redirected_to "/user/terms"
-          post "/user/save",
+          assert_redirected_to :controller => :users, :action => "new", :nickname => display_name,
+                               :email => orig_email, :email_hmac => email_hmac,
+                               :auth_provider => "facebook", :auth_uid => auth_uid
+          follow_redirect!
+
+          post "/user/new",
                :params => { :user => { :email => new_email,
-                                       :email_confirmation => new_email,
+                                       :email_hmac => email_hmac,
                                        :display_name => display_name,
                                        :auth_provider => "facebook",
-                                       :auth_uid => "http://localhost:1123/new.tester",
-                                       :pass_crypt => "testtest",
-                                       :pass_crypt_confirmation => "testtest" },
-                            :read_ct => 1, :read_tou => 1 }
+                                       :auth_uid => auth_uid,
+                                       :consider_pd => "1" } }
+          assert_response :redirect
           follow_redirect!
         end
       end
@@ -637,11 +641,11 @@ class UserCreationTest < ActionDispatch::IntegrationTest
 
     assert_equal register_email.to.first, new_email
     # Check that the confirm account url is correct
-    confirm_regex = Regexp.new("/user/redirect_tester_facebook/confirm\\?confirm_string=([a-zA-Z0-9_-]*)")
+    confirm_regex = Regexp.new("confirm_string=([a-zA-Z0-9%_-]*)")
     email_text_parts(register_email).each do |part|
       assert_match confirm_regex, part.body.to_s
     end
-    confirm_string = email_text_parts(register_email).first.body.match(confirm_regex)[1]
+    confirm_string = CGI.unescape(email_text_parts(register_email).first.body.match(confirm_regex)[1])
 
     # Check the page
     assert_response :success
@@ -650,11 +654,11 @@ class UserCreationTest < ActionDispatch::IntegrationTest
     ActionMailer::Base.deliveries.clear
 
     # Go to the confirmation page
-    get "/user/#{display_name}/confirm", :params => { :confirm_string => confirm_string }
+    get "/user/#{display_name}/confirm", :params => { :referer => "/welcome", :confirm_string => confirm_string }
     assert_response :success
     assert_template "confirmations/confirm"
 
-    post "/user/#{display_name}/confirm", :params => { :confirm_string => confirm_string }
+    post "/user/#{display_name}/confirm", :params => { :referer => "/welcome", :confirm_string => confirm_string }
     assert_response :redirect
     follow_redirect!
     assert_response :success
@@ -663,39 +667,31 @@ class UserCreationTest < ActionDispatch::IntegrationTest
 
   def test_user_create_microsoft_success
     new_email = "newtester-microsoft@osm.org"
+    email_hmac = UsersController.message_hmac(new_email)
     display_name = "new_tester-microsoft"
-    password = "testtest"
+    auth_uid = "123454321"
 
-    OmniAuth.config.add_mock(:microsoft, :uid => "123454321", :info => { "email" => new_email })
+    OmniAuth.config.add_mock(:microsoft,
+                             :uid => auth_uid,
+                             :info => { "email" => new_email, :name => display_name })
 
     assert_difference("User.count") do
       assert_difference("ActionMailer::Base.deliveries.size", 0) do
         perform_enqueued_jobs do
-          post "/user/new",
-               :params => { :user => { :email => new_email,
-                                       :email_confirmation => new_email,
-                                       :display_name => display_name,
-                                       :auth_provider => "microsoft",
-                                       :pass_crypt => "",
-                                       :pass_crypt_confirmation => "" } }
-          assert_response :redirect
-          assert_redirected_to auth_path(:provider => "microsoft", :origin => "/user/new")
-          post response.location
-          assert_response :redirect
+          post auth_path(:provider => "microsoft", :origin => "/user/new")
           assert_redirected_to auth_success_path(:provider => "microsoft")
           follow_redirect!
-          assert_response :redirect
-          assert_redirected_to "/user/terms"
-          post "/user/save",
+          assert_redirected_to :controller => :users, :action => "new", :nickname => display_name,
+                               :email => new_email, :email_hmac => email_hmac,
+                               :auth_provider => "microsoft", :auth_uid => auth_uid
+          follow_redirect!
+          post "/user/new",
                :params => { :user => { :email => new_email,
-                                       :email_confirmation => new_email,
                                        :display_name => display_name,
                                        :auth_provider => "microsoft",
-                                       :auth_uid => "123454321",
-                                       :pass_crypt => password,
-                                       :pass_crypt_confirmation => password },
-                            :read_ct => 1, :read_tou => 1 }
-          assert_response :redirect
+                                       :auth_uid => auth_uid,
+                                       :consider_pd => "1" },
+                            :email_hmac => email_hmac }
           assert_redirected_to welcome_path
           follow_redirect!
         end
@@ -709,34 +705,42 @@ class UserCreationTest < ActionDispatch::IntegrationTest
     ActionMailer::Base.deliveries.clear
   end
 
+  def test_user_create_microsoft_duplicate_email
+    dup_user = create(:user)
+    display_name = "new_tester-microsoft"
+    auth_uid = "123454321"
+
+    OmniAuth.config.add_mock(:microsoft,
+                             :uid => auth_uid,
+                             :info => { :email => dup_user.email, :name => display_name })
+
+    post auth_path(:provider => "microsoft", :origin => "/user/new")
+    assert_redirected_to auth_success_path(:provider => "microsoft")
+    follow_redirect!
+    assert_redirected_to :controller => :users, :action => "new", :nickname => display_name, :email => dup_user.email,
+                         :email_hmac => UsersController.message_hmac(dup_user.email),
+                         :auth_provider => "microsoft", :auth_uid => auth_uid
+    follow_redirect!
+
+    assert_response :success
+    assert_template "users/new"
+    assert_select "form > div > input.is-invalid#user_email"
+
+    ActionMailer::Base.deliveries.clear
+  end
+
   def test_user_create_microsoft_failure
     OmniAuth.config.mock_auth[:microsoft] = :connection_failed
 
-    new_email = "newtester-microsoft2@osm.org"
-    display_name = "new_tester-microsoft2"
     assert_difference("User.count", 0) do
       assert_difference("ActionMailer::Base.deliveries.size", 0) do
         perform_enqueued_jobs do
-          post "/user/new",
-               :params => { :user => { :email => new_email,
-                                       :email_confirmation => new_email,
-                                       :display_name => display_name,
-                                       :auth_provider => "microsoft",
-                                       :pass_crypt => "",
-                                       :pass_crypt_confirmation => "" } }
-          assert_response :redirect
-          assert_redirected_to auth_path(:provider => "microsoft", :origin => "/user/new")
-          post response.location
+          post auth_path(:provider => "microsoft", :origin => "/user/new")
           assert_response :redirect
-          assert_redirected_to auth_success_path(:provider => "microsoft")
           follow_redirect!
-          assert_response :redirect
           assert_redirected_to auth_failure_path(:strategy => "microsoft", :message => "connection_failed", :origin => "/user/new")
           follow_redirect!
-          assert_response :redirect
-          follow_redirect!
-          assert_response :success
-          assert_template "users/new"
+          assert_redirected_to "/user/new"
         end
       end
     end
@@ -745,40 +749,35 @@ class UserCreationTest < ActionDispatch::IntegrationTest
   end
 
   def test_user_create_microsoft_redirect
-    OmniAuth.config.add_mock(:microsoft, :uid => "123454321")
-
+    orig_email = "redirect_tester_microsoft_orig@osm.org"
+    email_hmac = UsersController.message_hmac(orig_email)
     new_email = "redirect_tester_microsoft@osm.org"
     display_name = "redirect_tester_microsoft"
-    # nothing special about this page, just need a protected page to redirect back to.
-    referer = "/traces/mine"
+    auth_uid = "123454321"
+
+    OmniAuth.config.add_mock(:microsoft,
+                             :uid => auth_uid,
+                             :info => { :email => orig_email, :name => display_name })
+
     assert_difference("User.count") do
       assert_difference("ActionMailer::Base.deliveries.size", 1) do
         perform_enqueued_jobs do
-          post "/user/new",
-               :params => { :user => { :email => new_email,
-                                       :email_confirmation => new_email,
-                                       :display_name => display_name,
-                                       :auth_provider => "microsoft",
-                                       :pass_crypt => "",
-                                       :pass_crypt_confirmation => "" },
-                            :referer => referer }
-          assert_response :redirect
-          assert_redirected_to auth_path(:provider => "microsoft", :origin => "/user/new")
-          post response.location
-          assert_response :redirect
+          post auth_path(:provider => "microsoft", :origin => "/user/new")
           assert_redirected_to auth_success_path(:provider => "microsoft")
           follow_redirect!
-          assert_response :redirect
-          assert_redirected_to "/user/terms"
-          post "/user/save",
+          assert_redirected_to :controller => :users, :action => "new", :nickname => display_name,
+                               :email => orig_email, :email_hmac => email_hmac,
+                               :auth_provider => "microsoft", :auth_uid => auth_uid
+          follow_redirect!
+
+          post "/user/new",
                :params => { :user => { :email => new_email,
-                                       :email_confirmation => new_email,
+                                       :email_hmac => email_hmac,
                                        :display_name => display_name,
                                        :auth_provider => "microsoft",
-                                       :auth_uid => "http://localhost:1123/new.tester",
-                                       :pass_crypt => "testtest",
-                                       :pass_crypt_confirmation => "testtest" },
-                            :read_ct => 1, :read_tou => 1 }
+                                       :auth_uid => auth_uid,
+                                       :consider_pd => "1" } }
+          assert_response :redirect
           follow_redirect!
         end
       end
@@ -789,11 +788,11 @@ class UserCreationTest < ActionDispatch::IntegrationTest
 
     assert_equal register_email.to.first, new_email
     # Check that the confirm account url is correct
-    confirm_regex = Regexp.new("/user/redirect_tester_microsoft/confirm\\?confirm_string=([a-zA-Z0-9_-]*)")
+    confirm_regex = Regexp.new("confirm_string=([a-zA-Z0-9%_-]*)")
     email_text_parts(register_email).each do |part|
       assert_match confirm_regex, part.body.to_s
     end
-    confirm_string = email_text_parts(register_email).first.body.match(confirm_regex)[1]
+    confirm_string = CGI.unescape(email_text_parts(register_email).first.body.match(confirm_regex)[1])
 
     # Check the page
     assert_response :success
@@ -802,11 +801,11 @@ class UserCreationTest < ActionDispatch::IntegrationTest
     ActionMailer::Base.deliveries.clear
 
     # Go to the confirmation page
-    get "/user/#{display_name}/confirm", :params => { :confirm_string => confirm_string }
+    get "/user/#{display_name}/confirm", :params => { :referer => "/welcome", :confirm_string => confirm_string }
     assert_response :success
     assert_template "confirmations/confirm"
 
-    post "/user/#{display_name}/confirm", :params => { :confirm_string => confirm_string }
+    post "/user/#{display_name}/confirm", :params => { :referer => "/welcome", :confirm_string => confirm_string }
     assert_response :redirect
     follow_redirect!
     assert_response :success
@@ -815,41 +814,37 @@ class UserCreationTest < ActionDispatch::IntegrationTest
 
   def test_user_create_github_success
     new_email = "newtester-github@osm.org"
+    email_hmac = UsersController.message_hmac(new_email)
     display_name = "new_tester-github"
     password = "testtest"
+    auth_uid = "123454321"
 
-    OmniAuth.config.add_mock(:github, :uid => "123454321", :info => { "email" => new_email })
+    OmniAuth.config.add_mock(:github,
+                             :uid => auth_uid,
+                             :info => { "email" => new_email, :name => display_name })
 
     assert_difference("User.count") do
-      assert_difference("ActionMailer::Base.deliveries.size", 1) do
+      assert_no_difference("ActionMailer::Base.deliveries.size") do
         perform_enqueued_jobs do
-          post "/user/new",
-               :params => { :user => { :email => new_email,
-                                       :email_confirmation => new_email,
-                                       :display_name => display_name,
-                                       :auth_provider => "github",
-                                       :pass_crypt => "",
-                                       :pass_crypt_confirmation => "" } }
-          assert_response :redirect
-          assert_redirected_to auth_path(:provider => "github", :origin => "/user/new")
-          post response.location
-          assert_response :redirect
+          post auth_path(:provider => "github", :origin => "/user/new")
           assert_redirected_to auth_success_path(:provider => "github")
           follow_redirect!
-          assert_response :redirect
-          assert_redirected_to "/user/terms"
-          post "/user/save",
+          assert_redirected_to :controller => :users, :action => "new", :nickname => display_name,
+                               :email => new_email, :email_hmac => email_hmac,
+                               :auth_provider => "github", :auth_uid => auth_uid
+          follow_redirect!
+
+          post "/user/new",
                :params => { :user => { :email => new_email,
-                                       :email_confirmation => new_email,
                                        :display_name => display_name,
                                        :auth_provider => "github",
                                        :auth_uid => "123454321",
                                        :pass_crypt => password,
                                        :pass_crypt_confirmation => password },
                             :read_ct => 1,
-                            :read_tou => 1 }
-          assert_response :redirect
-          assert_redirected_to :controller => :confirmations, :action => :confirm, :display_name => display_name
+                            :read_tou => 1,
+                            :email_hmac => email_hmac }
+          assert_redirected_to welcome_path
           follow_redirect!
         end
       end
@@ -857,7 +852,32 @@ class UserCreationTest < ActionDispatch::IntegrationTest
 
     # Check the page
     assert_response :success
-    assert_template "confirmations/confirm"
+    assert_template "site/welcome"
+
+    ActionMailer::Base.deliveries.clear
+  end
+
+  def test_user_create_github_duplicate_email
+    dup_user = create(:user)
+    display_name = "new_tester-github"
+    auth_uid = "123454321"
+
+    OmniAuth.config.add_mock(:github,
+                             :uid => auth_uid,
+                             :extra => { :id_info => { :openid_id => "http://localhost:1123/new.tester" } },
+                             :info => { :email => dup_user.email, :name => display_name })
+
+    post auth_path(:provider => "github", :origin => "/user/new")
+    assert_redirected_to auth_success_path(:provider => "github")
+    follow_redirect!
+    assert_redirected_to :controller => :users, :action => "new", :nickname => display_name,
+                         :email => dup_user.email, :email_hmac => UsersController.message_hmac(dup_user.email),
+                         :auth_provider => "github", :auth_uid => auth_uid
+    follow_redirect!
+
+    assert_response :success
+    assert_template "users/new"
+    assert_select "form > div > input.is-invalid#user_email"
 
     ActionMailer::Base.deliveries.clear
   end
@@ -865,31 +885,14 @@ class UserCreationTest < ActionDispatch::IntegrationTest
   def test_user_create_github_failure
     OmniAuth.config.mock_auth[:github] = :connection_failed
 
-    new_email = "newtester-github2@osm.org"
-    display_name = "new_tester-github2"
     assert_difference("User.count", 0) do
       assert_difference("ActionMailer::Base.deliveries.size", 0) do
         perform_enqueued_jobs do
-          post "/user/new",
-               :params => { :user => { :email => new_email,
-                                       :email_confirmation => new_email,
-                                       :display_name => display_name,
-                                       :auth_provider => "github",
-                                       :pass_crypt => "",
-                                       :pass_crypt_confirmation => "" } }
-          assert_response :redirect
-          assert_redirected_to auth_path(:provider => "github", :origin => "/user/new")
-          post response.location
-          assert_response :redirect
-          assert_redirected_to auth_success_path(:provider => "github")
+          post auth_path(:provider => "github", :origin => "/user/new")
           follow_redirect!
-          assert_response :redirect
           assert_redirected_to auth_failure_path(:strategy => "github", :message => "connection_failed", :origin => "/user/new")
           follow_redirect!
-          assert_response :redirect
-          follow_redirect!
-          assert_response :success
-          assert_template "users/new"
+          assert_redirected_to "/user/new"
         end
       end
     end
@@ -898,41 +901,34 @@ class UserCreationTest < ActionDispatch::IntegrationTest
   end
 
   def test_user_create_github_redirect
-    OmniAuth.config.add_mock(:github, :uid => "123454321")
-
+    orig_email = "redirect_tester_github_orig@osm.org"
+    email_hmac = UsersController.message_hmac(orig_email)
     new_email = "redirect_tester_github@osm.org"
     display_name = "redirect_tester_github"
-    # nothing special about this page, just need a protected page to redirect back to.
-    referer = "/traces/mine"
+    auth_uid = "123454321"
+
+    OmniAuth.config.add_mock(:github,
+                             :uid => auth_uid,
+                             :info => { :email => orig_email, :name => display_name })
+
     assert_difference("User.count") do
       assert_difference("ActionMailer::Base.deliveries.size", 1) do
         perform_enqueued_jobs do
-          post "/user/new",
-               :params => { :user => { :email => new_email,
-                                       :email_confirmation => new_email,
-                                       :display_name => display_name,
-                                       :auth_provider => "github",
-                                       :pass_crypt => "",
-                                       :pass_crypt_confirmation => "" },
-                            :referer => referer }
-          assert_response :redirect
-          assert_redirected_to auth_path(:provider => "github", :origin => "/user/new")
-          post response.location
-          assert_response :redirect
+          post auth_path(:provider => "github", :origin => "/user/new")
           assert_redirected_to auth_success_path(:provider => "github")
           follow_redirect!
-          assert_response :redirect
-          assert_redirected_to "/user/terms"
-          post "/user/save",
+          assert_redirected_to :controller => :users, :action => "new", :nickname => display_name,
+                               :email => orig_email, :email_hmac => email_hmac,
+                               :auth_provider => "github", :auth_uid => auth_uid
+          follow_redirect!
+          post "/user/new",
                :params => { :user => { :email => new_email,
-                                       :email_confirmation => new_email,
+                                       :email_hmac => email_hmac,
                                        :display_name => display_name,
                                        :auth_provider => "github",
-                                       :auth_uid => "http://localhost:1123/new.tester",
-                                       :pass_crypt => "testtest",
-                                       :pass_crypt_confirmation => "testtest" },
-                            :read_ct => 1,
-                            :read_tou => 1 }
+                                       :auth_uid => auth_uid,
+                                       :consider_pd => "1" } }
+          assert_response :redirect
           follow_redirect!
         end
       end
@@ -943,11 +939,11 @@ class UserCreationTest < ActionDispatch::IntegrationTest
 
     assert_equal register_email.to.first, new_email
     # Check that the confirm account url is correct
-    confirm_regex = Regexp.new("/user/redirect_tester_github/confirm\\?confirm_string=([a-zA-Z0-9_-]*)")
+    confirm_regex = Regexp.new("confirm_string=([a-zA-Z0-9%_-]*)")
     email_text_parts(register_email).each do |part|
       assert_match confirm_regex, part.body.to_s
     end
-    confirm_string = email_text_parts(register_email).first.body.match(confirm_regex)[1]
+    confirm_string = CGI.unescape(email_text_parts(register_email).first.body.match(confirm_regex)[1])
 
     # Check the page
     assert_response :success
@@ -956,11 +952,11 @@ class UserCreationTest < ActionDispatch::IntegrationTest
     ActionMailer::Base.deliveries.clear
 
     # Go to the confirmation page
-    get "/user/#{display_name}/confirm", :params => { :confirm_string => confirm_string }
+    get "/user/#{display_name}/confirm", :params => { :referer => "/welcome", :confirm_string => confirm_string }
     assert_response :success
     assert_template "confirmations/confirm"
 
-    post "/user/#{display_name}/confirm", :params => { :confirm_string => confirm_string }
+    post "/user/#{display_name}/confirm", :params => { :referer => "/welcome", :confirm_string => confirm_string }
     assert_response :redirect
     follow_redirect!
     assert_response :success
@@ -969,41 +965,36 @@ class UserCreationTest < ActionDispatch::IntegrationTest
 
   def test_user_create_wikipedia_success
     new_email = "newtester-wikipedia@osm.org"
+    email_hmac = UsersController.message_hmac(new_email)
     display_name = "new_tester-wikipedia"
     password = "testtest"
+    auth_uid = "123454321"
 
-    OmniAuth.config.add_mock(:wikipedia, :uid => "123454321", :info => { "email" => new_email })
+    OmniAuth.config.add_mock(:wikipedia,
+                             :uid => auth_uid,
+                             :info => { :email => new_email, :name => display_name })
 
     assert_difference("User.count") do
-      assert_difference("ActionMailer::Base.deliveries.size", 1) do
+      assert_no_difference("ActionMailer::Base.deliveries.size") do
         perform_enqueued_jobs do
-          post "/user/new",
-               :params => { :user => { :email => new_email,
-                                       :email_confirmation => new_email,
-                                       :display_name => display_name,
-                                       :auth_provider => "wikipedia",
-                                       :pass_crypt => "",
-                                       :pass_crypt_confirmation => "" } }
-          assert_response :redirect
-          assert_redirected_to auth_path(:provider => "wikipedia", :origin => "/user/new")
-          post response.location
-          assert_response :redirect
+          post auth_path(:provider => "wikipedia", :origin => "/user/new")
           assert_redirected_to auth_success_path(:provider => "wikipedia", :origin => "/user/new")
           follow_redirect!
-          assert_response :redirect
-          assert_redirected_to "/user/terms"
-          post "/user/save",
+          assert_redirected_to :controller => :users, :action => "new", :nickname => display_name,
+                               :email => new_email, :email_hmac => email_hmac,
+                               :auth_provider => "wikipedia", :auth_uid => auth_uid
+          follow_redirect!
+          post "/user/new",
                :params => { :user => { :email => new_email,
-                                       :email_confirmation => new_email,
                                        :display_name => display_name,
                                        :auth_provider => "wikipedia",
                                        :auth_uid => "123454321",
                                        :pass_crypt => password,
                                        :pass_crypt_confirmation => password },
                             :read_ct => 1,
-                            :read_tou => 1 }
-          assert_response :redirect
-          assert_redirected_to :controller => :confirmations, :action => :confirm, :display_name => display_name
+                            :read_tou => 1,
+                            :email_hmac => email_hmac }
+          assert_redirected_to welcome_path
           follow_redirect!
         end
       end
@@ -1011,7 +1002,29 @@ class UserCreationTest < ActionDispatch::IntegrationTest
 
     # Check the page
     assert_response :success
-    assert_template "confirmations/confirm"
+    assert_template "site/welcome"
+  end
+
+  def test_user_create_wikipedia_duplicate_email
+    dup_user = create(:user)
+    display_name = "new_tester-wikipedia"
+    auth_uid = "123454321"
+
+    OmniAuth.config.add_mock(:wikipedia,
+                             :uid => auth_uid,
+                             :info => { "email" => dup_user.email, :name => display_name })
+
+    post auth_path(:provider => "wikipedia", :origin => "/user/new")
+    assert_redirected_to auth_success_path(:provider => "wikipedia", :origin => "/user/new")
+    follow_redirect!
+    assert_redirected_to :controller => :users, :action => "new", :nickname => display_name,
+                         :email => dup_user.email, :email_hmac => UsersController.message_hmac(dup_user.email),
+                         :auth_provider => "wikipedia", :auth_uid => auth_uid
+    follow_redirect!
+
+    assert_response :success
+    assert_template "users/new"
+    assert_select "form > div > input.is-invalid#user_email"
 
     ActionMailer::Base.deliveries.clear
   end
@@ -1019,31 +1032,15 @@ class UserCreationTest < ActionDispatch::IntegrationTest
   def test_user_create_wikipedia_failure
     OmniAuth.config.mock_auth[:wikipedia] = :connection_failed
 
-    new_email = "newtester-wikipedia2@osm.org"
-    display_name = "new_tester-wikipedia2"
     assert_difference("User.count", 0) do
       assert_difference("ActionMailer::Base.deliveries.size", 0) do
         perform_enqueued_jobs do
-          post "/user/new",
-               :params => { :user => { :email => new_email,
-                                       :email_confirmation => new_email,
-                                       :display_name => display_name,
-                                       :auth_provider => "wikipedia",
-                                       :pass_crypt => "",
-                                       :pass_crypt_confirmation => "" } }
+          post auth_path(:provider => "wikipedia", :origin => "/user/new")
           assert_response :redirect
-          assert_redirected_to auth_path(:provider => "wikipedia", :origin => "/user/new")
-          post response.location
-          assert_response :redirect
-          assert_redirected_to auth_success_path(:provider => "wikipedia", :origin => "/user/new")
           follow_redirect!
-          assert_response :redirect
           assert_redirected_to auth_failure_path(:strategy => "wikipedia", :message => "connection_failed", :origin => "/user/new")
           follow_redirect!
-          assert_response :redirect
-          follow_redirect!
-          assert_response :success
-          assert_template "users/new"
+          assert_redirected_to "/user/new"
         end
       end
     end
@@ -1052,41 +1049,36 @@ class UserCreationTest < ActionDispatch::IntegrationTest
   end
 
   def test_user_create_wikipedia_redirect
-    OmniAuth.config.add_mock(:wikipedia, :uid => "123454321")
-
+    orig_email = "redirect_tester_wikipedia_orig@osm.org"
+    email_hmac = UsersController.message_hmac(orig_email)
     new_email = "redirect_tester_wikipedia@osm.org"
     display_name = "redirect_tester_wikipedia"
+    auth_uid = "123454321"
+
+    OmniAuth.config.add_mock(:wikipedia,
+                             :uid => auth_uid,
+                             :info => { :email => orig_email, :name => display_name })
+
     # nothing special about this page, just need a protected page to redirect back to.
-    referer = "/traces/mine"
     assert_difference("User.count") do
       assert_difference("ActionMailer::Base.deliveries.size", 1) do
         perform_enqueued_jobs do
-          post "/user/new",
-               :params => { :user => { :email => new_email,
-                                       :email_confirmation => new_email,
-                                       :display_name => display_name,
-                                       :auth_provider => "wikipedia",
-                                       :pass_crypt => "",
-                                       :pass_crypt_confirmation => "" },
-                            :referer => referer }
-          assert_response :redirect
-          assert_redirected_to auth_path(:provider => "wikipedia", :origin => "/user/new")
-          post response.location
-          assert_response :redirect
+          post auth_path(:provider => "wikipedia", :origin => "/user/new")
           assert_redirected_to auth_success_path(:provider => "wikipedia", :origin => "/user/new")
           follow_redirect!
-          assert_response :redirect
-          assert_redirected_to "/user/terms"
-          post "/user/save",
+          assert_redirected_to :controller => :users, :action => "new", :nickname => display_name,
+                               :email => orig_email, :email_hmac => email_hmac,
+                               :auth_provider => "wikipedia", :auth_uid => auth_uid
+          follow_redirect!
+
+          post "/user/new",
                :params => { :user => { :email => new_email,
-                                       :email_confirmation => new_email,
+                                       :email_hmac => email_hmac,
                                        :display_name => display_name,
                                        :auth_provider => "wikipedia",
-                                       :auth_uid => "http://localhost:1123/new.tester",
-                                       :pass_crypt => "testtest",
-                                       :pass_crypt_confirmation => "testtest" },
-                            :read_ct => 1,
-                            :read_tou => 1 }
+                                       :auth_uid => auth_uid,
+                                       :consider_pd => "1" } }
+          assert_response :redirect
           follow_redirect!
         end
       end
@@ -1097,11 +1089,11 @@ class UserCreationTest < ActionDispatch::IntegrationTest
 
     assert_equal register_email.to.first, new_email
     # Check that the confirm account url is correct
-    confirm_regex = Regexp.new("/user/redirect_tester_wikipedia/confirm\\?confirm_string=([a-zA-Z0-9_-]*)")
+    confirm_regex = Regexp.new("confirm_string=([a-zA-Z0-9%_-]*)")
     email_text_parts(register_email).each do |part|
       assert_match confirm_regex, part.body.to_s
     end
-    confirm_string = email_text_parts(register_email).first.body.match(confirm_regex)[1]
+    confirm_string = CGI.unescape(email_text_parts(register_email).first.body.match(confirm_regex)[1])
 
     # Check the page
     assert_response :success
@@ -1110,11 +1102,11 @@ class UserCreationTest < ActionDispatch::IntegrationTest
     ActionMailer::Base.deliveries.clear
 
     # Go to the confirmation page
-    get "/user/#{display_name}/confirm", :params => { :confirm_string => confirm_string }
+    get "/user/#{display_name}/confirm", :params => { :referer => "/welcome", :confirm_string => confirm_string }
     assert_response :success
     assert_template "confirmations/confirm"
 
-    post "/user/#{display_name}/confirm", :params => { :confirm_string => confirm_string }
+    post "/user/#{display_name}/confirm", :params => { :referer => "/welcome", :confirm_string => confirm_string }
     assert_response :redirect
     follow_redirect!
     assert_response :success