app/controllers/users_controller.rb

   1 class UsersController < ApplicationController
   2   include EmailMethods
   3   include SessionMethods
   4   include UserMethods
   5
   6   layout "site"
   7
   8   skip_before_action :verify_authenticity_token, :only => [:auth_success]
   9   before_action :authorize_web
  10   before_action :set_locale
  11   before_action :check_database_readable
  12
  13   authorize_resource
  14
  15   before_action :check_database_writable, :only => [:new, :go_public]
  16   before_action :require_cookies, :only => [:new]
  17
  18   allow_thirdparty_images :only => :show
  19   allow_social_login :only => :new
  20
  21   def show
  22     @user = User.find_by(:display_name => params[:display_name])
  23
  24     if @user &&
  25        (@user.visible? || current_user&.administrator?)
  26       @title = @user.display_name
  27     else
  28       render_unknown_user params[:display_name]
  29     end
  30   end
  31
  32   def new
  33     @title = t ".title"
  34     @referer = safe_referer(params[:referer])
  35
  36     parse_oauth_referer @referer
  37
  38     if current_user
  39       # The user is logged in already, so don't show them the signup
  40       # page, instead send them to the home page
  41       redirect_to @referer || { :controller => "site", :action => "index" }
  42     elsif params.key?(:auth_provider) && params.key?(:auth_uid)
  43       @email_hmac = params[:email_hmac]
  44
  45       self.current_user = User.new(:email => params[:email],
  46                                    :display_name => params[:nickname],
  47                                    :auth_provider => params[:auth_provider],
  48                                    :auth_uid => params[:auth_uid])
  49
  50       if current_user.valid? || current_user.errors[:email].empty?
  51         flash.now[:notice] = render_to_string :partial => "auth_association"
  52       else
  53         flash.now[:warning] = t ".duplicate_social_email"
  54       end
  55     else
  56       check_signup_allowed
  57
  58       self.current_user = User.new
  59     end
  60   end
  61
  62   def create
  63     self.current_user = User.new(user_params)
  64
  65     if check_signup_allowed(current_user.email)
  66       if current_user.auth_uid.present?
  67         # We are creating an account with external authentication and
  68         # no password was specified so create a random one
  69         current_user.pass_crypt = SecureRandom.base64(16)
  70         current_user.pass_crypt_confirmation = current_user.pass_crypt
  71       end
  72
  73       if current_user.invalid?
  74         # Something is wrong with a new user, so rerender the form
  75         render :action => "new"
  76       else
  77         # Save the user record
  78         if save_new_user params[:email_hmac]
  79           SIGNUP_IP_LIMITER&.update(request.remote_ip)
  80           SIGNUP_EMAIL_LIMITER&.update(canonical_email(current_user.email))
  81
  82           flash[:matomo_goal] = Settings.matomo["goals"]["signup"] if defined?(Settings.matomo)
  83
  84           referer = welcome_path(welcome_options(params[:referer]))
  85
  86           if current_user.status == "active"
  87             successful_login(current_user, referer)
  88           else
  89             session[:pending_user] = current_user.id
  90             UserMailer.signup_confirm(current_user, current_user.generate_token_for(:new_user), referer).deliver_later
  91             redirect_to :controller => :confirmations, :action => :confirm, :display_name => current_user.display_name
  92           end
  93         else
  94           render :action => "new", :referer => params[:referer]
  95         end
  96       end
  97     end
  98   end
  99
 100   def go_public
 101     current_user.data_public = true
 102     current_user.save
 103     flash[:notice] = t ".flash success"
 104     redirect_to edit_account_path
 105   end
 106
 107   ##
 108   # omniauth success callback
 109   def auth_success
 110     referer = request.env["omniauth.params"]["referer"]
 111     auth_info = request.env["omniauth.auth"]
 112
 113     provider = auth_info[:provider]
 114     uid = auth_info[:uid]
 115     name = auth_info[:info][:name]
 116     email = auth_info[:info][:email]
 117
 118     email_verified = case provider
 119                      when "openid"
 120                        uid.match(%r{https://www.google.com/accounts/o8/id?(.*)}) ||
 121                        uid.match(%r{https://me.yahoo.com/(.*)})
 122                      when "google", "facebook", "microsoft", "github", "wikipedia"
 123                        true
 124                      else
 125                        false
 126                      end
 127
 128     if settings = session.delete(:new_user_settings)
 129       current_user.auth_provider = provider
 130       current_user.auth_uid = uid
 131
 132       update_user(current_user, settings)
 133
 134       flash.discard
 135
 136       session[:user_errors] = current_user.errors.as_json
 137
 138       redirect_to edit_account_path
 139     else
 140       user = User.find_by(:auth_provider => provider, :auth_uid => uid)
 141
 142       if user.nil? && provider == "google"
 143         openid_url = auth_info[:extra][:id_info]["openid_id"]
 144         user = User.find_by(:auth_provider => "openid", :auth_uid => openid_url) if openid_url
 145         user&.update(:auth_provider => provider, :auth_uid => uid)
 146       end
 147
 148       if user
 149         case user.status
 150         when "pending"
 151           unconfirmed_login(user, referer)
 152         when "active", "confirmed"
 153           successful_login(user, referer)
 154         when "suspended"
 155           failed_login({ :partial => "sessions/suspended_flash" }, user.display_name, referer)
 156         else
 157           failed_login(t("sessions.new.auth failure"), user.display_name, referer)
 158         end
 159       else
 160         email_hmac = UsersController.message_hmac(email) if email_verified && email
 161         redirect_to :action => "new", :nickname => name, :email => email, :email_hmac => email_hmac,
 162                     :auth_provider => provider, :auth_uid => uid, :referer => referer
 163       end
 164     end
 165   end
 166
 167   ##
 168   # omniauth failure callback
 169   def auth_failure
 170     flash[:error] = t(params[:message], :scope => "users.auth_failure", :default => t(".unknown_error"))
 171
 172     origin = safe_referer(params[:origin]) if params[:origin]
 173
 174     redirect_to origin || login_url
 175   end
 176
 177   def self.message_hmac(text)
 178     sha256 = Digest::SHA256.new
 179     sha256 << Rails.application.key_generator.generate_key("openstreetmap/email_address")
 180     sha256 << text
 181     Base64.urlsafe_encode64(sha256.digest)
 182   end
 183
 184   private
 185
 186   def save_new_user(email_hmac)
 187     current_user.data_public = true
 188     current_user.description = "" if current_user.description.nil?
 189     current_user.creation_address = request.remote_ip
 190     current_user.languages = http_accept_language.user_preferred_languages
 191     current_user.terms_agreed = Time.now.utc
 192     current_user.tou_agreed = Time.now.utc
 193     current_user.terms_seen = true
 194
 195     if current_user.auth_uid.blank?
 196       current_user.auth_provider = nil
 197       current_user.auth_uid = nil
 198     elsif email_hmac && ActiveSupport::SecurityUtils.secure_compare(email_hmac, UsersController.message_hmac(current_user.email))
 199       current_user.activate
 200     end
 201
 202     current_user.save
 203   end
 204
 205   def welcome_options(referer = nil)
 206     uri = URI(referer) if referer.present?
 207
 208     return { "oauth_return_url" => uri&.to_s } if uri&.path == oauth_authorization_path
 209
 210     begin
 211       %r{map=(.*)/(.*)/(.*)}.match(uri.fragment) do |m|
 212         editor = Rack::Utils.parse_query(uri.query).slice("editor")
 213         return { "zoom" => m[1], "lat" => m[2], "lon" => m[3] }.merge(editor)
 214       end
 215     rescue StandardError
 216       # Use default
 217     end
 218   end
 219
 220   ##
 221   # return permitted user parameters
 222   def user_params
 223     params.require(:user).permit(:email, :display_name,
 224                                  :auth_provider, :auth_uid,
 225                                  :pass_crypt, :pass_crypt_confirmation,
 226                                  :consider_pd)
 227   end
 228
 229   ##
 230   # check signup acls
 231   def check_signup_allowed(email = nil)
 232     domain = if email.nil?
 233                nil
 234              else
 235                email.split("@").last
 236              end
 237
 238     mx_servers = if domain.nil?
 239                    nil
 240                  else
 241                    domain_mx_servers(domain)
 242                  end
 243
 244     return true if Acl.allow_account_creation(request.remote_ip, :domain => domain, :mx => mx_servers)
 245
 246     blocked = Acl.no_account_creation(request.remote_ip, :domain => domain, :mx => mx_servers)
 247
 248     blocked ||= SIGNUP_IP_LIMITER && !SIGNUP_IP_LIMITER.allow?(request.remote_ip)
 249
 250     blocked ||= email && SIGNUP_EMAIL_LIMITER && !SIGNUP_EMAIL_LIMITER.allow?(canonical_email(email))
 251
 252     if blocked
 253       logger.info "Blocked signup from #{request.remote_ip} for #{email}"
 254
 255       render :action => "blocked"
 256     end
 257
 258     !blocked
 259   end
 260 end