app/controllers/users_controller.rb

   1 class UsersController < ApplicationController
   2   layout "site"
   3
   4   skip_before_action :verify_authenticity_token, :only => [:auth_success]
   5   before_action :disable_terms_redirect, :only => [:terms, :save, :logout]
   6   before_action :authorize_web
   7   before_action :set_locale
   8   before_action :check_database_readable
   9
  10   authorize_resource
  11
  12   before_action :require_self, :only => [:account]
  13   before_action :check_database_writable, :only => [:new, :account, :confirm, :confirm_email, :lost_password, :reset_password, :go_public]
  14   before_action :require_cookies, :only => [:new, :login, :confirm]
  15   before_action :lookup_user_by_name, :only => [:set_status, :destroy]
  16   before_action :allow_thirdparty_images, :only => [:show, :account]
  17
  18   def terms
  19     @legale = params[:legale] || OSM.ip_to_country(request.remote_ip) || Settings.default_legale
  20     @text = OSM.legal_text_for_country(@legale)
  21
  22     if request.xhr?
  23       render :partial => "terms"
  24     else
  25       @title = t "users.terms.title"
  26
  27       if current_user&.terms_agreed?
  28         # Already agreed to terms, so just show settings
  29         redirect_to :action => :account, :display_name => current_user.display_name
  30       elsif current_user.nil? && session[:new_user].nil?
  31         redirect_to :action => :login, :referer => request.fullpath
  32       end
  33     end
  34   end
  35
  36   def save
  37     @title = t "users.new.title"
  38
  39     if params[:decline] || !(params[:read_tou] && params[:read_ct])
  40       if current_user
  41         current_user.terms_seen = true
  42
  43         flash[:notice] = t("users.new.terms declined", :url => t("users.new.terms declined url")).html_safe if current_user.save
  44
  45         if params[:referer]
  46           redirect_to safe_referer(params[:referer])
  47         else
  48           redirect_to :action => :account, :display_name => current_user.display_name
  49         end
  50       elsif params[:decline]
  51         redirect_to t("users.terms.declined")
  52       else
  53         redirect_to :action => :terms
  54       end
  55     elsif current_user
  56       unless current_user.terms_agreed?
  57         current_user.consider_pd = params[:user][:consider_pd]
  58         current_user.tou_agreed = Time.now.getutc
  59         current_user.terms_agreed = Time.now.getutc
  60         current_user.terms_seen = true
  61
  62         flash[:notice] = t "users.new.terms accepted" if current_user.save
  63       end
  64
  65       if params[:referer]
  66         redirect_to safe_referer(params[:referer])
  67       else
  68         redirect_to :action => :account, :display_name => current_user.display_name
  69       end
  70     else
  71       self.current_user = session.delete(:new_user)
  72
  73       if check_signup_allowed(current_user.email)
  74         current_user.data_public = true
  75         current_user.description = "" if current_user.description.nil?
  76         current_user.creation_ip = request.remote_ip
  77         current_user.languages = http_accept_language.user_preferred_languages
  78         current_user.terms_agreed = Time.now.getutc
  79         current_user.tou_agreed = Time.now.getutc
  80         current_user.terms_seen = true
  81
  82         if current_user.auth_uid.blank?
  83           current_user.auth_provider = nil
  84           current_user.auth_uid = nil
  85         end
  86
  87         if current_user.save
  88           flash[:piwik_goal] = PIWIK["goals"]["signup"] if defined?(PIWIK)
  89
  90           referer = welcome_path
  91
  92           begin
  93             uri = URI(session[:referer])
  94             %r{map=(.*)/(.*)/(.*)}.match(uri.fragment) do |m|
  95               editor = Rack::Utils.parse_query(uri.query).slice("editor")
  96               referer = welcome_path({ "zoom" => m[1],
  97                                        "lat" => m[2],
  98                                        "lon" => m[3] }.merge(editor))
  99             end
 100           rescue StandardError
 101             # Use default
 102           end
 103
 104           if current_user.status == "active"
 105             session[:referer] = referer
 106             successful_login(current_user)
 107           else
 108             session[:token] = current_user.tokens.create.token
 109             UserMailer.signup_confirm(current_user, current_user.tokens.create(:referer => referer)).deliver_later
 110             redirect_to :action => "confirm", :display_name => current_user.display_name
 111           end
 112         else
 113           render :action => "new", :referer => params[:referer]
 114         end
 115       end
 116     end
 117   end
 118
 119   def account
 120     @tokens = current_user.oauth_tokens.authorized
 121
 122     if params[:user] && params[:user][:display_name] && params[:user][:description]
 123       if params[:user][:auth_provider].blank? ||
 124          (params[:user][:auth_provider] == current_user.auth_provider &&
 125           params[:user][:auth_uid] == current_user.auth_uid)
 126         update_user(current_user, params)
 127       else
 128         session[:new_user_settings] = params
 129         redirect_to auth_url(params[:user][:auth_provider], params[:user][:auth_uid])
 130       end
 131     elsif errors = session.delete(:user_errors)
 132       errors.each do |attribute, error|
 133         current_user.errors.add(attribute, error)
 134       end
 135     end
 136     @title = t "users.account.title"
 137   end
 138
 139   def go_public
 140     current_user.data_public = true
 141     current_user.save
 142     flash[:notice] = t "users.go_public.flash success"
 143     redirect_to :action => "account", :display_name => current_user.display_name
 144   end
 145
 146   def lost_password
 147     @title = t "users.lost_password.title"
 148
 149     if params[:email]
 150       user = User.visible.find_by(:email => params[:email])
 151
 152       if user.nil?
 153         users = User.visible.where("LOWER(email) = LOWER(?)", params[:email])
 154
 155         user = users.first if users.count == 1
 156       end
 157
 158       if user
 159         token = user.tokens.create
 160         UserMailer.lost_password(user, token).deliver_later
 161         flash[:notice] = t "users.lost_password.notice email on way"
 162         redirect_to :action => "login"
 163       else
 164         flash.now[:error] = t "users.lost_password.notice email cannot find"
 165       end
 166     end
 167   end
 168
 169   def reset_password
 170     @title = t "users.reset_password.title"
 171
 172     if params[:token]
 173       token = UserToken.find_by(:token => params[:token])
 174
 175       if token
 176         self.current_user = token.user
 177
 178         if params[:user]
 179           current_user.pass_crypt = params[:user][:pass_crypt]
 180           current_user.pass_crypt_confirmation = params[:user][:pass_crypt_confirmation]
 181           current_user.status = "active" if current_user.status == "pending"
 182           current_user.email_valid = true
 183
 184           if current_user.save
 185             token.destroy
 186             session[:fingerprint] = current_user.fingerprint
 187             flash[:notice] = t "users.reset_password.flash changed"
 188             successful_login(current_user)
 189           end
 190         end
 191       else
 192         flash[:error] = t "users.reset_password.flash token bad"
 193         redirect_to :action => "lost_password"
 194       end
 195     else
 196       head :bad_request
 197     end
 198   end
 199
 200   def new
 201     @title = t "users.new.title"
 202     @referer = if params[:referer]
 203                  safe_referer(params[:referer])
 204                else
 205                  session[:referer]
 206                end
 207
 208     append_content_security_policy_directives(
 209       :form_action => %w[accounts.google.com *.facebook.com login.live.com github.com meta.wikimedia.org]
 210     )
 211
 212     if current_user
 213       # The user is logged in already, so don't show them the signup
 214       # page, instead send them to the home page
 215       if @referer
 216         redirect_to @referer
 217       else
 218         redirect_to :controller => "site", :action => "index"
 219       end
 220     elsif params.key?(:auth_provider) && params.key?(:auth_uid)
 221       self.current_user = User.new(:email => params[:email],
 222                                    :email_confirmation => params[:email],
 223                                    :display_name => params[:nickname],
 224                                    :auth_provider => params[:auth_provider],
 225                                    :auth_uid => params[:auth_uid])
 226
 227       flash.now[:notice] = render_to_string :partial => "auth_association"
 228     else
 229       check_signup_allowed
 230
 231       self.current_user = User.new
 232     end
 233   end
 234
 235   def create
 236     self.current_user = User.new(user_params)
 237
 238     if check_signup_allowed(current_user.email)
 239       session[:referer] = safe_referer(params[:referer]) if params[:referer]
 240
 241       Rails.logger.info "create: #{session[:referer]}"
 242
 243       current_user.status = "pending"
 244
 245       if current_user.auth_provider.present? && current_user.pass_crypt.empty?
 246         # We are creating an account with external authentication and
 247         # no password was specified so create a random one
 248         current_user.pass_crypt = SecureRandom.base64(16)
 249         current_user.pass_crypt_confirmation = current_user.pass_crypt
 250       end
 251
 252       if current_user.invalid?
 253         # Something is wrong with a new user, so rerender the form
 254         render :action => "new"
 255       elsif current_user.auth_provider.present?
 256         # Verify external authenticator before moving on
 257         session[:new_user] = current_user
 258         redirect_to auth_url(current_user.auth_provider, current_user.auth_uid)
 259       else
 260         # Save the user record
 261         session[:new_user] = current_user
 262         redirect_to :action => :terms
 263       end
 264     end
 265   end
 266
 267   def login
 268     session[:referer] = safe_referer(params[:referer]) if params[:referer]
 269
 270     if params[:username].present? && params[:password].present?
 271       session[:remember_me] ||= params[:remember_me]
 272       password_authentication(params[:username], params[:password])
 273     end
 274   end
 275
 276   def logout
 277     @title = t "users.logout.title"
 278
 279     if request.post?
 280       if session[:token]
 281         token = UserToken.find_by(:token => session[:token])
 282         token&.destroy
 283         session.delete(:token)
 284       end
 285       session.delete(:user)
 286       session_expires_automatically
 287       if params[:referer]
 288         redirect_to safe_referer(params[:referer])
 289       else
 290         redirect_to :controller => "site", :action => "index"
 291       end
 292     end
 293   end
 294
 295   def confirm
 296     if request.post?
 297       token = UserToken.find_by(:token => params[:confirm_string])
 298       if token&.user&.active?
 299         flash[:error] = t("users.confirm.already active")
 300         redirect_to :action => "login"
 301       elsif !token || token.expired?
 302         flash[:error] = t("users.confirm.unknown token")
 303         redirect_to :action => "confirm"
 304       else
 305         user = token.user
 306         user.status = "active"
 307         user.email_valid = true
 308         flash[:notice] = gravatar_status_message(user) if gravatar_enable(user)
 309         user.save!
 310         referer = safe_referer(token.referer) if token.referer
 311         token.destroy
 312
 313         if session[:token]
 314           token = UserToken.find_by(:token => session[:token])
 315           session.delete(:token)
 316         else
 317           token = nil
 318         end
 319
 320         if token.nil? || token.user != user
 321           flash[:notice] = t("users.confirm.success")
 322           redirect_to :action => :login, :referer => referer
 323         else
 324           token.destroy
 325
 326           session[:user] = user.id
 327           session[:fingerprint] = user.fingerprint
 328
 329           redirect_to referer || welcome_path
 330         end
 331       end
 332     else
 333       user = User.find_by(:display_name => params[:display_name])
 334
 335       redirect_to root_path if user.nil? || user.active?
 336     end
 337   end
 338
 339   def confirm_resend
 340     user = User.find_by(:display_name => params[:display_name])
 341     token = UserToken.find_by(:token => session[:token])
 342
 343     if user.nil? || token.nil? || token.user != user
 344       flash[:error] = t "users.confirm_resend.failure", :name => params[:display_name]
 345     else
 346       UserMailer.signup_confirm(user, user.tokens.create).deliver_later
 347       flash[:notice] = t("users.confirm_resend.success", :email => user.email, :sender => Settings.support_email).html_safe
 348     end
 349
 350     redirect_to :action => "login"
 351   end
 352
 353   def confirm_email
 354     if request.post?
 355       token = UserToken.find_by(:token => params[:confirm_string])
 356       if token&.user&.new_email?
 357         self.current_user = token.user
 358         current_user.email = current_user.new_email
 359         current_user.new_email = nil
 360         current_user.email_valid = true
 361         gravatar_enabled = gravatar_enable(current_user)
 362         if current_user.save
 363           flash[:notice] = if gravatar_enabled
 364                              "#{t('users.confirm_email.success')} #{gravatar_status_message(current_user)}"
 365                            else
 366                              t("users.confirm_email.success")
 367                            end
 368         else
 369           flash[:errors] = current_user.errors
 370         end
 371         current_user.tokens.delete_all
 372         session[:user] = current_user.id
 373         session[:fingerprint] = current_user.fingerprint
 374         redirect_to :action => "account", :display_name => current_user.display_name
 375       elsif token
 376         flash[:error] = t "users.confirm_email.failure"
 377         redirect_to :action => "account", :display_name => token.user.display_name
 378       else
 379         flash[:error] = t "users.confirm_email.unknown_token"
 380       end
 381     end
 382   end
 383
 384   def show
 385     @user = User.find_by(:display_name => params[:display_name])
 386
 387     if @user &&
 388        (@user.visible? || current_user&.administrator?)
 389       @title = @user.display_name
 390     else
 391       render_unknown_user params[:display_name]
 392     end
 393   end
 394
 395   ##
 396   # sets a user's status
 397   def set_status
 398     @user.status = params[:status]
 399     @user.save
 400     redirect_to user_path(:display_name => params[:display_name])
 401   end
 402
 403   ##
 404   # delete a user, marking them as deleted and removing personal data
 405   def destroy
 406     @user.delete
 407     redirect_to user_path(:display_name => params[:display_name])
 408   end
 409
 410   ##
 411   # display a list of users matching specified criteria
 412   def index
 413     if request.post?
 414       ids = params[:user].keys.collect(&:to_i)
 415
 416       User.where(:id => ids).update_all(:status => "confirmed") if params[:confirm]
 417       User.where(:id => ids).update_all(:status => "deleted") if params[:hide]
 418
 419       redirect_to url_for(:status => params[:status], :ip => params[:ip], :page => params[:page])
 420     else
 421       @params = params.permit(:status, :ip)
 422
 423       conditions = {}
 424       conditions[:status] = @params[:status] if @params[:status]
 425       conditions[:creation_ip] = @params[:ip] if @params[:ip]
 426
 427       @user_pages, @users = paginate(:users,
 428                                      :conditions => conditions,
 429                                      :order => :id,
 430                                      :per_page => 50)
 431     end
 432   end
 433
 434   ##
 435   # omniauth success callback
 436   def auth_success
 437     auth_info = request.env["omniauth.auth"]
 438
 439     provider = auth_info[:provider]
 440     uid = auth_info[:uid]
 441     name = auth_info[:info][:name]
 442     email = auth_info[:info][:email]
 443
 444     case provider
 445     when "openid"
 446       email_verified = uid.match(%r{https://www.google.com/accounts/o8/id?(.*)}) ||
 447                        uid.match(%r{https://me.yahoo.com/(.*)})
 448     when "google", "facebook"
 449       email_verified = true
 450     else
 451       email_verified = false
 452     end
 453
 454     if settings = session.delete(:new_user_settings)
 455       current_user.auth_provider = provider
 456       current_user.auth_uid = uid
 457
 458       update_user(current_user, settings)
 459
 460       session[:user_errors] = current_user.errors.as_json
 461
 462       redirect_to :action => "account", :display_name => current_user.display_name
 463     elsif session[:new_user]
 464       session[:new_user].auth_provider = provider
 465       session[:new_user].auth_uid = uid
 466
 467       session[:new_user].status = "active" if email_verified && email == session[:new_user].email
 468
 469       redirect_to :action => "terms"
 470     else
 471       user = User.find_by(:auth_provider => provider, :auth_uid => uid)
 472
 473       if user.nil? && provider == "google"
 474         openid_url = auth_info[:extra][:id_info]["openid_id"]
 475         user = User.find_by(:auth_provider => "openid", :auth_uid => openid_url) if openid_url
 476         user&.update(:auth_provider => provider, :auth_uid => uid)
 477       end
 478
 479       if user
 480         case user.status
 481         when "pending"
 482           unconfirmed_login(user)
 483         when "active", "confirmed"
 484           successful_login(user, request.env["omniauth.params"]["referer"])
 485         when "suspended"
 486           failed_login t("users.login.account is suspended", :webmaster => "mailto:#{Settings.support_email}").html_safe
 487         else
 488           failed_login t("users.login.auth failure")
 489         end
 490       else
 491         redirect_to :action => "new", :nickname => name, :email => email,
 492                     :auth_provider => provider, :auth_uid => uid
 493       end
 494     end
 495   end
 496
 497   ##
 498   # omniauth failure callback
 499   def auth_failure
 500     flash[:error] = t("users.auth_failure.#{params[:message]}")
 501     redirect_to params[:origin] || login_url
 502   end
 503
 504   private
 505
 506   ##
 507   # handle password authentication
 508   def password_authentication(username, password)
 509     if user = User.authenticate(:username => username, :password => password)
 510       successful_login(user)
 511     elsif user = User.authenticate(:username => username, :password => password, :pending => true)
 512       unconfirmed_login(user)
 513     elsif User.authenticate(:username => username, :password => password, :suspended => true)
 514       failed_login t("users.login.account is suspended", :webmaster => "mailto:#{Settings.support_email}").html_safe, username
 515     else
 516       failed_login t("users.login.auth failure"), username
 517     end
 518   end
 519
 520   ##
 521   # return the URL to use for authentication
 522   def auth_url(provider, uid, referer = nil)
 523     params = { :provider => provider }
 524
 525     params[:openid_url] = openid_expand_url(uid) if provider == "openid"
 526
 527     if referer.nil?
 528       params[:origin] = request.path
 529     else
 530       params[:origin] = "#{request.path}?referer=#{CGI.escape(referer)}"
 531       params[:referer] = referer
 532     end
 533
 534     auth_path(params)
 535   end
 536
 537   ##
 538   # special case some common OpenID providers by applying heuristics to
 539   # try and come up with the correct URL based on what the user entered
 540   def openid_expand_url(openid_url)
 541     if openid_url.nil?
 542       nil
 543     elsif openid_url.match(%r{(.*)gmail.com(/?)$}) || openid_url.match(%r{(.*)googlemail.com(/?)$})
 544       # Special case gmail.com as it is potentially a popular OpenID
 545       # provider and, unlike yahoo.com, where it works automatically, Google
 546       # have hidden their OpenID endpoint somewhere obscure this making it
 547       # somewhat less user friendly.
 548       "https://www.google.com/accounts/o8/id"
 549     else
 550       openid_url
 551     end
 552   end
 553
 554   ##
 555   # process a successful login
 556   def successful_login(user, referer = nil)
 557     session[:user] = user.id
 558     session[:fingerprint] = user.fingerprint
 559     session_expires_after 28.days if session[:remember_me]
 560
 561     target = referer || session[:referer] || url_for(:controller => :site, :action => :index)
 562
 563     # The user is logged in, so decide where to send them:
 564     #
 565     # - If they haven't seen the contributor terms, send them there.
 566     # - If they have a block on them, show them that.
 567     # - If they were referred to the login, send them back there.
 568     # - Otherwise, send them to the home page.
 569     if !user.terms_seen
 570       redirect_to :action => :terms, :referer => target
 571     elsif user.blocked_on_view
 572       redirect_to user.blocked_on_view, :referer => target
 573     else
 574       redirect_to target
 575     end
 576
 577     session.delete(:remember_me)
 578     session.delete(:referer)
 579   end
 580
 581   ##
 582   # process a failed login
 583   def failed_login(message, username = nil)
 584     flash[:error] = message
 585
 586     redirect_to :action => "login", :referer => session[:referer],
 587                 :username => username, :remember_me => session[:remember_me]
 588
 589     session.delete(:remember_me)
 590     session.delete(:referer)
 591   end
 592
 593   ##
 594   #
 595   def unconfirmed_login(user)
 596     session[:token] = user.tokens.create.token
 597
 598     redirect_to :action => "confirm", :display_name => user.display_name
 599
 600     session.delete(:remember_me)
 601     session.delete(:referer)
 602   end
 603
 604   ##
 605   # update a user's details
 606   def update_user(user, params)
 607     user.display_name = params[:user][:display_name]
 608     user.new_email = params[:user][:new_email]
 609
 610     unless params[:user][:pass_crypt].empty? && params[:user][:pass_crypt_confirmation].empty?
 611       user.pass_crypt = params[:user][:pass_crypt]
 612       user.pass_crypt_confirmation = params[:user][:pass_crypt_confirmation]
 613     end
 614
 615     if params[:user][:description] != user.description
 616       user.description = params[:user][:description]
 617       user.description_format = "markdown"
 618     end
 619
 620     user.languages = params[:user][:languages].split(",")
 621
 622     case params[:avatar_action]
 623     when "new"
 624       user.avatar.attach(params[:user][:avatar])
 625       user.image_use_gravatar = false
 626     when "delete"
 627       user.avatar.purge_later
 628       user.image_use_gravatar = false
 629     when "gravatar"
 630       user.avatar.purge_later
 631       user.image_use_gravatar = true
 632     end
 633
 634     user.home_lat = params[:user][:home_lat]
 635     user.home_lon = params[:user][:home_lon]
 636
 637     user.preferred_editor = if params[:user][:preferred_editor] == "default"
 638                               nil
 639                             else
 640                               params[:user][:preferred_editor]
 641                             end
 642
 643     if params[:user][:auth_provider].nil? || params[:user][:auth_provider].blank?
 644       user.auth_provider = nil
 645       user.auth_uid = nil
 646     end
 647
 648     if user.save
 649       session[:fingerprint] = user.fingerprint
 650
 651       set_locale(true)
 652
 653       if user.new_email.blank? || user.new_email == user.email
 654         flash.now[:notice] = t "users.account.flash update success"
 655       else
 656         user.email = user.new_email
 657
 658         if user.valid?
 659           flash.now[:notice] = t "users.account.flash update success confirm needed"
 660
 661           begin
 662             UserMailer.email_confirm(user, user.tokens.create).deliver_later
 663           rescue StandardError
 664             # Ignore errors sending email
 665           end
 666         else
 667           current_user.errors.add(:new_email, current_user.errors[:email])
 668           current_user.errors.add(:email, [])
 669         end
 670
 671         user.restore_email!
 672       end
 673     end
 674   end
 675
 676   ##
 677   # require that the user in the URL is the logged in user
 678   def require_self
 679     head :forbidden if params[:display_name] != current_user.display_name
 680   end
 681
 682   ##
 683   # ensure that there is a "user" instance variable
 684   def lookup_user_by_name
 685     @user = User.find_by(:display_name => params[:display_name])
 686   rescue ActiveRecord::RecordNotFound
 687     redirect_to :action => "view", :display_name => params[:display_name] unless @user
 688   end
 689
 690   ##
 691   #
 692   def disable_terms_redirect
 693     # this is necessary otherwise going to the user terms page, when
 694     # having not agreed already would cause an infinite redirect loop.
 695     # it's .now so that this doesn't propagate to other pages.
 696     flash.now[:skip_terms] = true
 697   end
 698
 699   ##
 700   # return permitted user parameters
 701   def user_params
 702     params.require(:user).permit(:email, :email_confirmation, :display_name,
 703                                  :auth_provider, :auth_uid,
 704                                  :pass_crypt, :pass_crypt_confirmation)
 705   end
 706
 707   ##
 708   # check signup acls
 709   def check_signup_allowed(email = nil)
 710     domain = if email.nil?
 711                nil
 712              else
 713                email.split("@").last
 714              end
 715
 716     mx_servers = if domain.nil?
 717                    nil
 718                  else
 719                    domain_mx_servers(domain)
 720                  end
 721
 722     if blocked = Acl.no_account_creation(request.remote_ip, :domain => domain, :mx => mx_servers)
 723       logger.info "Blocked signup from #{request.remote_ip} for #{email}"
 724
 725       render :action => "blocked"
 726     end
 727
 728     !blocked
 729   end
 730
 731   ##
 732   # get list of MX servers for a domains
 733   def domain_mx_servers(domain)
 734     Resolv::DNS.open do |dns|
 735       dns.getresources(domain, Resolv::DNS::Resource::IN::MX).collect(&:exchange).collect(&:to_s)
 736     end
 737   end
 738
 739   ##
 740   # check if this user has a gravatar and set the user pref is true
 741   def gravatar_enable(user)
 742     # code from example https://en.gravatar.com/site/implement/images/ruby/
 743     return false if user.avatar.attached?
 744
 745     hash = Digest::MD5.hexdigest(user.email.downcase)
 746     url = "https://www.gravatar.com/avatar/#{hash}?d=404" # without d=404 we will always get an image back
 747     response = OSM.http_client.get(URI.parse(url))
 748     oldsetting = user.image_use_gravatar
 749     user.image_use_gravatar = response.success?
 750     oldsetting != user.image_use_gravatar
 751   end
 752
 753   ##
 754   # display a message about th current status of the gravatar setting
 755   def gravatar_status_message(user)
 756     if user.image_use_gravatar
 757       t "users.account.gravatar.enabled"
 758     else
 759       t "users.account.gravatar.disabled"
 760     end
 761   end
 762 end