]> git.openstreetmap.org Git - rails.git/blobdiff - app/controllers/users_controller.rb
Switch to using rails builtin content security policy support
[rails.git] / app / controllers / users_controller.rb
index 4974d99f14a432da888bde7b511950af2f0bbbf3..186e06120e0f70de52db61d112ec88c82240b9c5 100644 (file)
@@ -17,7 +17,9 @@ class UsersController < ApplicationController
   before_action :check_database_writable, :only => [:new, :go_public]
   before_action :require_cookies, :only => [:new]
   before_action :lookup_user_by_name, :only => [:set_status, :destroy]
-  before_action :allow_thirdparty_images, :only => [:show]
+
+  allow_thirdparty_images :only => :show
+  allow_social_login :only => :new
 
   ##
   # display a list of users matching specified criteria
@@ -54,27 +56,27 @@ class UsersController < ApplicationController
 
   def new
     @title = t ".title"
-    @referer = if params[:referer]
-                 safe_referer(params[:referer])
-               else
-                 session[:referer]
-               end
+    @referer = safe_referer(params[:referer])
 
-    append_content_security_policy_directives(
-      :form_action => %w[accounts.google.com *.facebook.com login.live.com github.com meta.wikimedia.org]
-    )
+    parse_oauth_referer @referer
 
     if current_user
       # The user is logged in already, so don't show them the signup
       # page, instead send them to the home page
       redirect_to @referer || { :controller => "site", :action => "index" }
     elsif params.key?(:auth_provider) && params.key?(:auth_uid)
+      @email_hmac = params[:email_hmac]
+
       self.current_user = User.new(:email => params[:email],
                                    :display_name => params[:nickname],
                                    :auth_provider => params[:auth_provider],
                                    :auth_uid => params[:auth_uid])
 
-      flash.now[:notice] = render_to_string :partial => "auth_association"
+      if current_user.valid? || current_user.errors[:email].empty?
+        flash.now[:notice] = render_to_string :partial => "auth_association"
+      else
+        flash.now[:warning] = t ".duplicate_social_email"
+      end
     else
       check_signup_allowed
 
@@ -86,11 +88,7 @@ class UsersController < ApplicationController
     self.current_user = User.new(user_params)
 
     if check_signup_allowed(current_user.email)
-      session[:referer] = safe_referer(params[:referer]) if params[:referer]
-
-      Rails.logger.info "create: #{session[:referer]}"
-
-      if current_user.auth_provider.present? && current_user.pass_crypt.empty?
+      if current_user.auth_uid.present?
         # We are creating an account with external authentication and
         # no password was specified so create a random one
         current_user.pass_crypt = SecureRandom.base64(16)
@@ -102,12 +100,12 @@ class UsersController < ApplicationController
         render :action => "new"
       elsif current_user.auth_provider.present?
         # Verify external authenticator before moving on
-        session[:new_user] = current_user.slice("email", "display_name", "pass_crypt", "pass_crypt_confirmation", "consider_pd")
+        session[:new_user] = current_user.slice("email", "display_name", "pass_crypt", "pass_crypt_confirmation")
         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.slice("email", "display_name", "pass_crypt", "pass_crypt_confirmation", "consider_pd")
-        save_new_user
+        session[:new_user] = current_user.slice("email", "display_name", "pass_crypt", "pass_crypt_confirmation")
+        save_new_user params[:email_hmac], params[:referer]
       end
     end
   end
@@ -131,7 +129,7 @@ class UsersController < ApplicationController
       if current_user&.terms_agreed?
         # Already agreed to terms, so just show settings
         redirect_to edit_account_path
-      elsif current_user.nil? && session[:new_user].nil?
+      elsif current_user.nil?
         redirect_to login_path(:referer => request.fullpath)
       end
     end
@@ -192,6 +190,7 @@ class UsersController < ApplicationController
   ##
   # omniauth success callback
   def auth_success
+    referer = request.env["omniauth.params"]["referer"]
     auth_info = request.env["omniauth.auth"]
 
     provider = auth_info[:provider]
@@ -223,9 +222,9 @@ class UsersController < ApplicationController
     elsif session[:new_user]
       session[:new_user]["auth_provider"] = provider
       session[:new_user]["auth_uid"] = uid
-      session[:new_user]["verified_email"] = email if email_verified
 
-      save_new_user
+      email_hmac = UsersController.message_hmac(email) if email_verified && email
+      save_new_user email_hmac, referer
     else
       user = User.find_by(:auth_provider => provider, :auth_uid => uid)
 
@@ -238,16 +237,17 @@ class UsersController < ApplicationController
       if user
         case user.status
         when "pending"
-          unconfirmed_login(user)
+          unconfirmed_login(user, referer)
         when "active", "confirmed"
-          successful_login(user, request.env["omniauth.params"]["referer"])
+          successful_login(user, referer)
         when "suspended"
-          failed_login({ :partial => "sessions/suspended_flash" })
+          failed_login({ :partial => "sessions/suspended_flash" }, user.display_name, referer)
         else
-          failed_login t("sessions.new.auth failure")
+          failed_login(t("sessions.new.auth failure"), user.display_name, referer)
         end
       else
-        redirect_to :action => "new", :nickname => name, :email => email,
+        email_hmac = UsersController.message_hmac(email) if email_verified && email
+        redirect_to :action => "new", :nickname => name, :email => email, :email_hmac => email_hmac,
                     :auth_provider => provider, :auth_uid => uid
       end
     end
@@ -263,14 +263,18 @@ class UsersController < ApplicationController
     redirect_to origin || login_url
   end
 
+  def self.message_hmac(text)
+    sha256 = Digest::SHA256.new
+    sha256 << Rails.application.key_generator.generate_key("openstreetmap/email_address")
+    sha256 << text
+    Base64.urlsafe_encode64(sha256.digest)
+  end
+
   private
 
-  def save_new_user
+  def save_new_user(email_hmac, referer = nil)
     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
       current_user.description = "" if current_user.description.nil?
@@ -283,7 +287,7 @@ 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
+      elsif email_hmac && ActiveSupport::SecurityUtils.secure_compare(email_hmac, UsersController.message_hmac(current_user.email))
         current_user.activate
       end
 
@@ -293,11 +297,10 @@ class UsersController < ApplicationController
 
         flash[:matomo_goal] = Settings.matomo["goals"]["signup"] if defined?(Settings.matomo)
 
-        referer = welcome_path(welcome_options)
+        referer = welcome_path(welcome_options(referer))
 
         if current_user.status == "active"
-          session[:referer] = referer
-          successful_login(current_user)
+          successful_login(current_user, referer)
         else
           session[:pending_user] = current_user.id
           UserMailer.signup_confirm(current_user, current_user.generate_token_for(:new_user), referer).deliver_later
@@ -309,8 +312,8 @@ class UsersController < ApplicationController
     end
   end
 
-  def welcome_options
-    uri = URI(session[:referer]) if session[:referer].present?
+  def welcome_options(referer = nil)
+    uri = URI(referer) if referer.present?
 
     return { "oauth_return_url" => uri&.to_s } if uri&.path == oauth_authorization_path