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 :disable_terms_redirect, :only => [:terms, :save]
  10   before_action :authorize_web
  11   before_action :set_locale
  12   before_action :check_database_readable
  13
  14   authorize_resource
  15
  16   before_action :check_database_writable, :only => [:new, :go_public]
  17   before_action :require_cookies, :only => [:new]
  18   before_action :lookup_user_by_name, :only => [:set_status, :destroy]
  19   before_action :allow_thirdparty_images, :only => [:show]
  20
  21   ##
  22   # display a list of users matching specified criteria
  23   def index
  24     if request.post?
  25       ids = params[:user].keys.collect(&:to_i)
  26
  27       User.where(:id => ids).update_all(:status => "confirmed") if params[:confirm]
  28       User.where(:id => ids).update_all(:status => "deleted") if params[:hide]
  29
  30       redirect_to url_for(:status => params[:status], :ip => params[:ip], :page => params[:page])
  31     else
  32       @params = params.permit(:status, :ip)
  33
  34       conditions = {}
  35       conditions[:status] = @params[:status] if @params[:status]
  36       conditions[:creation_ip] = @params[:ip] if @params[:ip]
  37
  38       @user_pages, @users = paginate(:users,
  39                                      :conditions => conditions,
  40                                      :order => :id,
  41                                      :per_page => 50)
  42     end
  43   end
  44
  45   def show
  46     @user = User.find_by(:display_name => params[:display_name])
  47
  48     if @user &&
  49        (@user.visible? || current_user&.administrator?)
  50       @title = @user.display_name
  51     else
  52       render_unknown_user params[:display_name]
  53     end
  54   end
  55
  56   def new
  57     @title = t ".title"
  58     @referer = if params[:referer]
  59                  safe_referer(params[:referer])
  60                else
  61                  session[:referer]
  62                end
  63
  64     append_content_security_policy_directives(
  65       :form_action => %w[accounts.google.com *.facebook.com login.live.com github.com meta.wikimedia.org]
  66     )
  67
  68     if current_user
  69       # The user is logged in already, so don't show them the signup
  70       # page, instead send them to the home page
  71       redirect_to @referer || { :controller => "site", :action => "index" }
  72     elsif params.key?(:auth_provider) && params.key?(:auth_uid)
  73       self.current_user = User.new(:email => params[:email],
  74                                    :email_confirmation => params[:email],
  75                                    :display_name => params[:nickname],
  76                                    :auth_provider => params[:auth_provider],
  77                                    :auth_uid => params[:auth_uid])
  78
  79       flash.now[:notice] = render_to_string :partial => "auth_association"
  80     else
  81       check_signup_allowed
  82
  83       self.current_user = User.new
  84     end
  85   end
  86
  87   def create
  88     self.current_user = User.new(user_params)
  89
  90     if check_signup_allowed(current_user.email)
  91       session[:referer] = safe_referer(params[:referer]) if params[:referer]
  92
  93       Rails.logger.info "create: #{session[:referer]}"
  94
  95       if current_user.auth_provider.present? && current_user.pass_crypt.empty?
  96         # We are creating an account with external authentication and
  97         # no password was specified so create a random one
  98         current_user.pass_crypt = SecureRandom.base64(16)
  99         current_user.pass_crypt_confirmation = current_user.pass_crypt
 100       end
 101
 102       if current_user.invalid?
 103         # Something is wrong with a new user, so rerender the form
 104         render :action => "new"
 105       elsif current_user.auth_provider.present?
 106         # Verify external authenticator before moving on
 107         session[:new_user] = current_user.attributes.slice("email", "display_name", "pass_crypt")
 108         redirect_to auth_url(current_user.auth_provider, current_user.auth_uid), :status => :temporary_redirect
 109       else
 110         # Save the user record
 111         session[:new_user] = current_user.attributes.slice("email", "display_name", "pass_crypt")
 112         redirect_to :action => :terms
 113       end
 114     end
 115   end
 116
 117   ##
 118   # destroy a user, marking them as deleted and removing personal data
 119   def destroy
 120     @user.soft_destroy!
 121     redirect_to user_path(:display_name => params[:display_name])
 122   end
 123
 124   def terms
 125     @legale = params[:legale] || OSM.ip_to_country(request.remote_ip) || Settings.default_legale
 126     @text = OSM.legal_text_for_country(@legale)
 127
 128     if request.xhr?
 129       render :partial => "terms"
 130     else
 131       @title = t ".title"
 132
 133       if current_user&.terms_agreed?
 134         # Already agreed to terms, so just show settings
 135         redirect_to edit_account_path
 136       elsif current_user.nil? && session[:new_user].nil?
 137         redirect_to login_path(:referer => request.fullpath)
 138       end
 139     end
 140   end
 141
 142   def save
 143     @title = t "users.new.title"
 144
 145     if params[:decline] || !(params[:read_tou] && params[:read_ct])
 146       if current_user
 147         current_user.terms_seen = true
 148
 149         flash[:notice] = { :partial => "users/terms_declined_flash" } if current_user.save
 150
 151         referer = safe_referer(params[:referer]) if params[:referer]
 152
 153         redirect_to referer || edit_account_path
 154       elsif params[:decline]
 155         redirect_to t("users.terms.declined"), :allow_other_host => true
 156       else
 157         redirect_to :action => :terms
 158       end
 159     elsif current_user
 160       unless current_user.terms_agreed?
 161         current_user.consider_pd = params[:user][:consider_pd]
 162         current_user.tou_agreed = Time.now.utc
 163         current_user.terms_agreed = Time.now.utc
 164         current_user.terms_seen = true
 165
 166         flash[:notice] = t "users.new.terms accepted" if current_user.save
 167       end
 168
 169       referer = safe_referer(params[:referer]) if params[:referer]
 170
 171       redirect_to referer || edit_account_path
 172     else
 173       new_user = session.delete(:new_user)
 174       verified_email = new_user.delete("verified_email")
 175
 176       self.current_user = User.new(new_user)
 177
 178       if check_signup_allowed(current_user.email)
 179         current_user.data_public = true
 180         current_user.description = "" if current_user.description.nil?
 181         current_user.creation_ip = request.remote_ip
 182         current_user.languages = http_accept_language.user_preferred_languages
 183         current_user.terms_agreed = Time.now.utc
 184         current_user.tou_agreed = Time.now.utc
 185         current_user.terms_seen = true
 186
 187         if current_user.auth_uid.blank?
 188           current_user.auth_provider = nil
 189           current_user.auth_uid = nil
 190         elsif current_user.email == verified_email
 191           current_user.activate
 192         end
 193
 194         if current_user.save
 195           SIGNUP_IP_LIMITER&.update(request.remote_ip)
 196           SIGNUP_EMAIL_LIMITER&.update(canonical_email(current_user.email))
 197
 198           flash[:matomo_goal] = Settings.matomo["goals"]["signup"] if defined?(Settings.matomo)
 199
 200           uri = URI(session[:referer]) if session[:referer].present?
 201           welcome_options = {}
 202           welcome_options["oauth_return_url"] = uri&.to_s if uri&.path == oauth_authorization_path
 203
 204           begin
 205             %r{map=(.*)/(.*)/(.*)}.match(uri.fragment) do |m|
 206               editor = Rack::Utils.parse_query(uri.query).slice("editor")
 207               welcome_options = { "zoom" => m[1],
 208                                   "lat" => m[2],
 209                                   "lon" => m[3] }.merge(editor).merge(welcome_options)
 210             end
 211           rescue StandardError
 212             # Use default
 213           end
 214           referer = welcome_path(welcome_options)
 215
 216           if current_user.status == "active"
 217             session[:referer] = referer
 218             successful_login(current_user)
 219           else
 220             session[:token] = current_user.tokens.create.token
 221             UserMailer.signup_confirm(current_user, current_user.tokens.create(:referer => referer)).deliver_later
 222             redirect_to :controller => :confirmations, :action => :confirm, :display_name => current_user.display_name
 223           end
 224         else
 225           render :action => "new", :referer => params[:referer]
 226         end
 227       end
 228     end
 229   end
 230
 231   def go_public
 232     current_user.data_public = true
 233     current_user.save
 234     flash[:notice] = t ".flash success"
 235     redirect_to edit_account_path
 236   end
 237
 238   ##
 239   # sets a user's status
 240   def set_status
 241     @user.activate! if params[:event] == "activate"
 242     @user.confirm! if params[:event] == "confirm"
 243     @user.unconfirm! if params[:event] == "unconfirm"
 244     @user.hide! if params[:event] == "hide"
 245     @user.unhide! if params[:event] == "unhide"
 246     @user.unsuspend! if params[:event] == "unsuspend"
 247     redirect_to user_path(:display_name => params[:display_name])
 248   end
 249
 250   ##
 251   # omniauth success callback
 252   def auth_success
 253     auth_info = request.env["omniauth.auth"]
 254
 255     provider = auth_info[:provider]
 256     uid = auth_info[:uid]
 257     name = auth_info[:info][:name]
 258     email = auth_info[:info][:email]
 259
 260     email_verified = case provider
 261                      when "openid"
 262                        uid.match(%r{https://www.google.com/accounts/o8/id?(.*)}) ||
 263                        uid.match(%r{https://me.yahoo.com/(.*)})
 264                      when "google", "facebook", "microsoft"
 265                        true
 266                      else
 267                        false
 268                      end
 269
 270     if settings = session.delete(:new_user_settings)
 271       current_user.auth_provider = provider
 272       current_user.auth_uid = uid
 273
 274       update_user(current_user, settings)
 275
 276       flash.discard
 277
 278       session[:user_errors] = current_user.errors.as_json
 279
 280       redirect_to edit_account_path
 281     elsif session[:new_user]
 282       session[:new_user]["auth_provider"] = provider
 283       session[:new_user]["auth_uid"] = uid
 284       session[:new_user]["verified_email"] = email if email_verified
 285
 286       redirect_to :action => "terms"
 287     else
 288       user = User.find_by(:auth_provider => provider, :auth_uid => uid)
 289
 290       if user.nil? && provider == "google"
 291         openid_url = auth_info[:extra][:id_info]["openid_id"]
 292         user = User.find_by(:auth_provider => "openid", :auth_uid => openid_url) if openid_url
 293         user&.update(:auth_provider => provider, :auth_uid => uid)
 294       end
 295
 296       if user
 297         case user.status
 298         when "pending"
 299           unconfirmed_login(user)
 300         when "active", "confirmed"
 301           successful_login(user, request.env["omniauth.params"]["referer"])
 302         when "suspended"
 303           failed_login({ :partial => "sessions/suspended_flash" })
 304         else
 305           failed_login t("sessions.new.auth failure")
 306         end
 307       else
 308         redirect_to :action => "new", :nickname => name, :email => email,
 309                     :auth_provider => provider, :auth_uid => uid
 310       end
 311     end
 312   end
 313
 314   ##
 315   # omniauth failure callback
 316   def auth_failure
 317     flash[:error] = t(params[:message], :scope => "users.auth_failure", :default => t(".unknown_error"))
 318
 319     origin = safe_referer(params[:origin]) if params[:origin]
 320
 321     redirect_to origin || login_url
 322   end
 323
 324   private
 325
 326   ##
 327   # ensure that there is a "user" instance variable
 328   def lookup_user_by_name
 329     @user = User.find_by(:display_name => params[:display_name])
 330   rescue ActiveRecord::RecordNotFound
 331     redirect_to :action => "view", :display_name => params[:display_name] unless @user
 332   end
 333
 334   ##
 335   # return permitted user parameters
 336   def user_params
 337     params.require(:user).permit(:email, :email_confirmation, :display_name,
 338                                  :auth_provider, :auth_uid,
 339                                  :pass_crypt, :pass_crypt_confirmation)
 340   end
 341
 342   ##
 343   # check signup acls
 344   def check_signup_allowed(email = nil)
 345     domain = if email.nil?
 346                nil
 347              else
 348                email.split("@").last
 349              end
 350
 351     mx_servers = if domain.nil?
 352                    nil
 353                  else
 354                    domain_mx_servers(domain)
 355                  end
 356
 357     blocked = Acl.no_account_creation(request.remote_ip, :domain => domain, :mx => mx_servers)
 358
 359     blocked ||= SIGNUP_IP_LIMITER && !SIGNUP_IP_LIMITER.allow?(request.remote_ip)
 360
 361     blocked ||= email && SIGNUP_EMAIL_LIMITER && !SIGNUP_EMAIL_LIMITER.allow?(canonical_email(email))
 362
 363     if blocked
 364       logger.info "Blocked signup from #{request.remote_ip} for #{email}"
 365
 366       render :action => "blocked"
 367     end
 368
 369     !blocked
 370   end
 371 end