Avoid storing user records in the session during signup

[rails.git] / app / controllers / users_controller.rb

diff --git a/app/controllers/users_controller.rb b/app/controllers/users_controller.rb
index 0f9e1676764d11d5efb165254b798bc228bb0b2a..36c9f4e2288f06185726045826ae82ed9d927bb0 100644 (file)
--- a/app/controllers/users_controller.rb
+++ b/app/controllers/users_controller.rb
@@ -1,4 +1,5 @@
 class UsersController < ApplicationController
+  include EmailMethods
   include SessionMethods
   include UserMethods
 
@@ -103,11 +104,11 @@ class UsersController < ApplicationController
         render :action => "new"
       elsif current_user.auth_provider.present?
         # Verify external authenticator before moving on
-        session[:new_user] = current_user
+        session[:new_user] = current_user.attributes.slice("email", "display_name", "pass_crypt")
         redirect_to auth_url(current_user.auth_provider, current_user.auth_uid), :status => :temporary_redirect
       else
         # Save the user record
-        session[:new_user] = current_user
+        session[:new_user] = current_user.attributes.slice("email", "display_name", "pass_crypt")
         redirect_to :action => :terms
       end
     end
@@ -169,7 +170,10 @@ class UsersController < ApplicationController
 
       redirect_to referer || edit_account_path
     else
-      self.current_user = session.delete(:new_user)
+      new_user = session.delete(:new_user)
+      verified_email = new_user.delete("verified_email")
+
+      self.current_user = User.new(new_user)
 
       if check_signup_allowed(current_user.email)
         current_user.data_public = true
@@ -183,9 +187,14 @@ class UsersController < ApplicationController
         if current_user.auth_uid.blank?
           current_user.auth_provider = nil
           current_user.auth_uid = nil
+        elsif current_user.email == verified_email
+          current_user.activate
         end
 
         if current_user.save
+          SIGNUP_IP_LIMITER&.update(request.remote_ip)
+          SIGNUP_EMAIL_LIMITER&.update(canonical_email(current_user.email))
+
           flash[:matomo_goal] = Settings.matomo["goals"]["signup"] if defined?(Settings.matomo)
 
           referer = welcome_path
@@ -268,10 +277,9 @@ class UsersController < ApplicationController
 
       redirect_to edit_account_path
     elsif session[:new_user]
-      session[:new_user].auth_provider = provider
-      session[:new_user].auth_uid = uid
-
-      session[:new_user].activate if email_verified && email == session[:new_user].email
+      session[:new_user]["auth_provider"] = provider
+      session[:new_user]["auth_uid"] = uid
+      session[:new_user]["verified_email"] = email if email_verified
 
       redirect_to :action => "terms"
     else
@@ -344,7 +352,13 @@ class UsersController < ApplicationController
                    domain_mx_servers(domain)
                  end
 
-    if blocked = Acl.no_account_creation(request.remote_ip, :domain => domain, :mx => mx_servers)
+    blocked = Acl.no_account_creation(request.remote_ip, :domain => domain, :mx => mx_servers)
+
+    blocked ||= SIGNUP_IP_LIMITER && !SIGNUP_IP_LIMITER.allow?(request.remote_ip)
+
+    blocked ||= email && SIGNUP_EMAIL_LIMITER && !SIGNUP_EMAIL_LIMITER.allow?(canonical_email(email))
+
+    if blocked
       logger.info "Blocked signup from #{request.remote_ip} for #{email}"
 
       render :action => "blocked"
@@ -352,12 +366,4 @@ class UsersController < ApplicationController
 
     !blocked
   end
-
-  ##
-  # get list of MX servers for a domains
-  def domain_mx_servers(domain)
-    Resolv::DNS.open do |dns|
-      dns.getresources(domain, Resolv::DNS::Resource::IN::MX).collect { |mx| mx.exchange.to_s }
-    end
-  end
 end