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
 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
 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       self.current_user = session.delete(:new_user)
 174
 175       if check_signup_allowed(current_user.email)
 176         current_user.data_public = true
 177         current_user.description = "" if current_user.description.nil?
 178         current_user.creation_ip = request.remote_ip
 179         current_user.languages = http_accept_language.user_preferred_languages
 180         current_user.terms_agreed = Time.now.utc
 181         current_user.tou_agreed = Time.now.utc
 182         current_user.terms_seen = true
 183
 184         if current_user.auth_uid.blank?
 185           current_user.auth_provider = nil
 186           current_user.auth_uid = nil
 187         end
 188
 189         if current_user.save
 190           SIGNUP_IP_LIMITER&.update(request.remote_ip)
 191           SIGNUP_EMAIL_LIMITER&.update(canonical_email(current_user.email))
 192
 193           flash[:matomo_goal] = Settings.matomo["goals"]["signup"] if defined?(Settings.matomo)
 194
 195           referer = welcome_path
 196
 197           begin
 198             uri = URI(session[:referer])
 199             %r{map=(.*)/(.*)/(.*)}.match(uri.fragment) do |m|
 200               editor = Rack::Utils.parse_query(uri.query).slice("editor")
 201               referer = welcome_path({ "zoom" => m[1],
 202                                        "lat" => m[2],
 203                                        "lon" => m[3] }.merge(editor))
 204             end
 205           rescue StandardError
 206             # Use default
 207           end
 208
 209           if current_user.status == "active"
 210             session[:referer] = referer
 211             successful_login(current_user)
 212           else
 213             session[:token] = current_user.tokens.create.token
 214             UserMailer.signup_confirm(current_user, current_user.tokens.create(:referer => referer)).deliver_later
 215             redirect_to :controller => :confirmations, :action => :confirm, :display_name => current_user.display_name
 216           end
 217         else
 218           render :action => "new", :referer => params[:referer]
 219         end
 220       end
 221     end
 222   end
 223
 224   def go_public
 225     current_user.data_public = true
 226     current_user.save
 227     flash[:notice] = t ".flash success"
 228     redirect_to edit_account_path
 229   end
 230
 231   ##
 232   # sets a user's status
 233   def set_status
 234     @user.activate! if params[:event] == "activate"
 235     @user.confirm! if params[:event] == "confirm"
 236     @user.unconfirm! if params[:event] == "unconfirm"
 237     @user.hide! if params[:event] == "hide"
 238     @user.unhide! if params[:event] == "unhide"
 239     @user.unsuspend! if params[:event] == "unsuspend"
 240     redirect_to user_path(:display_name => params[:display_name])
 241   end
 242
 243   ##
 244   # omniauth success callback
 245   def auth_success
 246     auth_info = request.env["omniauth.auth"]
 247
 248     provider = auth_info[:provider]
 249     uid = auth_info[:uid]
 250     name = auth_info[:info][:name]
 251     email = auth_info[:info][:email]
 252
 253     email_verified = case provider
 254                      when "openid"
 255                        uid.match(%r{https://www.google.com/accounts/o8/id?(.*)}) ||
 256                        uid.match(%r{https://me.yahoo.com/(.*)})
 257                      when "google", "facebook", "microsoft"
 258                        true
 259                      else
 260                        false
 261                      end
 262
 263     if settings = session.delete(:new_user_settings)
 264       current_user.auth_provider = provider
 265       current_user.auth_uid = uid
 266
 267       update_user(current_user, settings)
 268
 269       flash.discard
 270
 271       session[:user_errors] = current_user.errors.as_json
 272
 273       redirect_to edit_account_path
 274     elsif session[:new_user]
 275       session[:new_user].auth_provider = provider
 276       session[:new_user].auth_uid = uid
 277
 278       session[:new_user].activate if email_verified && email == session[:new_user].email
 279
 280       redirect_to :action => "terms"
 281     else
 282       user = User.find_by(:auth_provider => provider, :auth_uid => uid)
 283
 284       if user.nil? && provider == "google"
 285         openid_url = auth_info[:extra][:id_info]["openid_id"]
 286         user = User.find_by(:auth_provider => "openid", :auth_uid => openid_url) if openid_url
 287         user&.update(:auth_provider => provider, :auth_uid => uid)
 288       end
 289
 290       if user
 291         case user.status
 292         when "pending"
 293           unconfirmed_login(user)
 294         when "active", "confirmed"
 295           successful_login(user, request.env["omniauth.params"]["referer"])
 296         when "suspended"
 297           failed_login({ :partial => "sessions/suspended_flash" })
 298         else
 299           failed_login t("sessions.new.auth failure")
 300         end
 301       else
 302         redirect_to :action => "new", :nickname => name, :email => email,
 303                     :auth_provider => provider, :auth_uid => uid
 304       end
 305     end
 306   end
 307
 308   ##
 309   # omniauth failure callback
 310   def auth_failure
 311     flash[:error] = t(params[:message], :scope => "users.auth_failure", :default => t(".unknown_error"))
 312
 313     origin = safe_referer(params[:origin]) if params[:origin]
 314
 315     redirect_to origin || login_url
 316   end
 317
 318   private
 319
 320   ##
 321   # ensure that there is a "user" instance variable
 322   def lookup_user_by_name
 323     @user = User.find_by(:display_name => params[:display_name])
 324   rescue ActiveRecord::RecordNotFound
 325     redirect_to :action => "view", :display_name => params[:display_name] unless @user
 326   end
 327
 328   ##
 329   # return permitted user parameters
 330   def user_params
 331     params.require(:user).permit(:email, :email_confirmation, :display_name,
 332                                  :auth_provider, :auth_uid,
 333                                  :pass_crypt, :pass_crypt_confirmation)
 334   end
 335
 336   ##
 337   # check signup acls
 338   def check_signup_allowed(email = nil)
 339     domain = if email.nil?
 340                nil
 341              else
 342                email.split("@").last
 343              end
 344
 345     mx_servers = if domain.nil?
 346                    nil
 347                  else
 348                    domain_mx_servers(domain)
 349                  end
 350
 351     blocked = Acl.no_account_creation(request.remote_ip, :domain => domain, :mx => mx_servers)
 352
 353     blocked ||= SIGNUP_IP_LIMITER && !SIGNUP_IP_LIMITER.allow?(request.remote_ip)
 354
 355     blocked ||= email && SIGNUP_EMAIL_LIMITER && !SIGNUP_EMAIL_LIMITER.allow?(canonical_email(email))
 356
 357     if blocked
 358       logger.info "Blocked signup from #{request.remote_ip} for #{email}"
 359
 360       render :action => "blocked"
 361     end
 362
 363     !blocked
 364   end
 365 end