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 && (@user.visible? || current_user&.administrator?)
  25       @title = @user.display_name
  26
  27       @heatmap_data = Rails.cache.fetch("heatmap_data_user_#{@user.id}", :expires_in => 1.day) do
  28         one_year_ago = 1.year.ago.beginning_of_day
  29         today = Time.zone.now.end_of_day
  30
  31         Changeset
  32           .where(:user_id => @user.id)
  33           .where(:created_at => one_year_ago..today)
  34           .where(:num_changes => 1..)
  35           .group("date_trunc('day', created_at)")
  36           .select("date_trunc('day', created_at) AS date, SUM(num_changes) AS total_changes")
  37           .order("date")
  38           .map do |changeset|
  39             {
  40               :date => changeset.date.to_date.to_s,
  41               :total_changes => changeset.total_changes.to_i
  42             }
  43           end
  44       end
  45     else
  46       render_unknown_user params[:display_name]
  47     end
  48   end
  49
  50   def new
  51     @title = t ".title"
  52     @referer = safe_referer(params[:referer])
  53
  54     parse_oauth_referer @referer
  55
  56     if current_user
  57       # The user is logged in already, so don't show them the signup
  58       # page, instead send them to the home page
  59       redirect_to @referer || { :controller => "site", :action => "index" }
  60     elsif params.key?(:auth_provider) && params.key?(:auth_uid)
  61       @email_hmac = params[:email_hmac]
  62
  63       self.current_user = User.new(:email => params[:email],
  64                                    :display_name => params[:nickname],
  65                                    :auth_provider => params[:auth_provider],
  66                                    :auth_uid => params[:auth_uid])
  67
  68       if current_user.valid? || current_user.errors[:email].empty?
  69         flash.now[:notice] = render_to_string :partial => "auth_association"
  70       else
  71         flash.now[:warning] = t ".duplicate_social_email"
  72       end
  73     else
  74       check_signup_allowed
  75
  76       self.current_user = User.new
  77     end
  78   end
  79
  80   def create
  81     self.current_user = User.new(user_params)
  82
  83     if check_signup_allowed(current_user.email)
  84       if current_user.auth_uid.present?
  85         # We are creating an account with external authentication and
  86         # no password was specified so create a random one
  87         current_user.pass_crypt = SecureRandom.base64(16)
  88         current_user.pass_crypt_confirmation = current_user.pass_crypt
  89       end
  90
  91       if current_user.invalid?
  92         # Something is wrong with a new user, so rerender the form
  93         render :action => "new"
  94       else
  95         # Save the user record
  96         if save_new_user params[:email_hmac]
  97           SIGNUP_IP_LIMITER&.update(request.remote_ip)
  98           SIGNUP_EMAIL_LIMITER&.update(canonical_email(current_user.email))
  99
 100           flash[:matomo_goal] = Settings.matomo["goals"]["signup"] if defined?(Settings.matomo)
 101
 102           referer = welcome_path(welcome_options(params[:referer]))
 103
 104           if current_user.status == "active"
 105             successful_login(current_user, referer)
 106           else
 107             session[:pending_user] = current_user.id
 108             UserMailer.signup_confirm(current_user, current_user.generate_token_for(:new_user), referer).deliver_later
 109             redirect_to :controller => :confirmations, :action => :confirm, :display_name => current_user.display_name
 110           end
 111         else
 112           render :action => "new", :referer => params[:referer]
 113         end
 114       end
 115     end
 116   end
 117
 118   def go_public
 119     current_user.data_public = true
 120     current_user.save
 121     flash[:notice] = t ".flash success"
 122     redirect_to account_path
 123   end
 124
 125   ##
 126   # omniauth success callback
 127   def auth_success
 128     referer = request.env["omniauth.params"]["referer"]
 129     auth_info = request.env["omniauth.auth"]
 130
 131     provider = auth_info[:provider]
 132     uid = auth_info[:uid]
 133     name = auth_info[:info][:name]
 134     email = auth_info[:info][:email]
 135
 136     email_verified = case provider
 137                      when "openid"
 138                        uid.match(%r{https://www.google.com/accounts/o8/id?(.*)}) ||
 139                        uid.match(%r{https://me.yahoo.com/(.*)})
 140                      when "google", "facebook", "microsoft", "github", "wikipedia"
 141                        true
 142                      else
 143                        false
 144                      end
 145
 146     if settings = session.delete(:new_user_settings)
 147       current_user.auth_provider = provider
 148       current_user.auth_uid = uid
 149
 150       update_user(current_user, settings)
 151
 152       flash.discard
 153
 154       session[:user_errors] = current_user.errors.as_json
 155
 156       redirect_to account_path
 157     else
 158       user = User.find_by(:auth_provider => provider, :auth_uid => uid)
 159
 160       if user.nil? && provider == "google"
 161         openid_url = auth_info[:extra][:id_info]["openid_id"]
 162         user = User.find_by(:auth_provider => "openid", :auth_uid => openid_url) if openid_url
 163         user&.update(:auth_provider => provider, :auth_uid => uid)
 164       end
 165
 166       if user
 167         case user.status
 168         when "pending"
 169           unconfirmed_login(user, referer)
 170         when "active", "confirmed"
 171           successful_login(user, referer)
 172         when "suspended"
 173           failed_login({ :partial => "sessions/suspended_flash" }, user.display_name, referer)
 174         else
 175           failed_login(t("sessions.new.auth failure"), user.display_name, referer)
 176         end
 177       else
 178         email_hmac = UsersController.message_hmac(email) if email_verified && email
 179         redirect_to :action => "new", :nickname => name, :email => email, :email_hmac => email_hmac,
 180                     :auth_provider => provider, :auth_uid => uid, :referer => referer
 181       end
 182     end
 183   end
 184
 185   ##
 186   # omniauth failure callback
 187   def auth_failure
 188     flash[:error] = t(params[:message], :scope => "users.auth_failure", :default => t(".unknown_error"))
 189
 190     origin = safe_referer(params[:origin]) if params[:origin]
 191
 192     redirect_to origin || login_url
 193   end
 194
 195   def self.message_hmac(text)
 196     sha256 = Digest::SHA256.new
 197     sha256 << Rails.application.key_generator.generate_key("openstreetmap/email_address")
 198     sha256 << text
 199     Base64.urlsafe_encode64(sha256.digest)
 200   end
 201
 202   private
 203
 204   def save_new_user(email_hmac)
 205     current_user.data_public = true
 206     current_user.description = "" if current_user.description.nil?
 207     current_user.creation_address = request.remote_ip
 208     current_user.languages = http_accept_language.user_preferred_languages
 209     current_user.terms_agreed = Time.now.utc
 210     current_user.tou_agreed = Time.now.utc
 211     current_user.terms_seen = true
 212
 213     if current_user.auth_uid.blank?
 214       current_user.auth_provider = nil
 215       current_user.auth_uid = nil
 216     elsif email_hmac && ActiveSupport::SecurityUtils.secure_compare(email_hmac, UsersController.message_hmac(current_user.email))
 217       current_user.activate
 218     end
 219
 220     current_user.save
 221   end
 222
 223   def welcome_options(referer = nil)
 224     uri = URI(referer) if referer.present?
 225
 226     return { "oauth_return_url" => uri&.to_s } if uri&.path == oauth_authorization_path
 227
 228     begin
 229       %r{map=(.*)/(.*)/(.*)}.match(uri.fragment) do |m|
 230         editor = Rack::Utils.parse_query(uri.query).slice("editor")
 231         return { "zoom" => m[1], "lat" => m[2], "lon" => m[3] }.merge(editor)
 232       end
 233     rescue StandardError
 234       # Use default
 235     end
 236   end
 237
 238   ##
 239   # return permitted user parameters
 240   def user_params
 241     params.require(:user).permit(:email, :display_name,
 242                                  :auth_provider, :auth_uid,
 243                                  :pass_crypt, :pass_crypt_confirmation)
 244   end
 245
 246   ##
 247   # check signup acls
 248   def check_signup_allowed(email = nil)
 249     domain = if email.nil?
 250                nil
 251              else
 252                email.split("@").last
 253              end
 254
 255     mx_servers = if domain.nil?
 256                    nil
 257                  else
 258                    domain_mx_servers(domain)
 259                  end
 260
 261     return true if Acl.allow_account_creation(request.remote_ip, :domain => domain, :mx => mx_servers)
 262
 263     blocked = Acl.no_account_creation(request.remote_ip, :domain => domain, :mx => mx_servers)
 264
 265     blocked ||= SIGNUP_IP_LIMITER && !SIGNUP_IP_LIMITER.allow?(request.remote_ip)
 266
 267     blocked ||= email && SIGNUP_EMAIL_LIMITER && !SIGNUP_EMAIL_LIMITER.allow?(canonical_email(email))
 268
 269     if blocked
 270       logger.info "Blocked signup from #{request.remote_ip} for #{email}"
 271
 272       render :action => "blocked"
 273     end
 274
 275     !blocked
 276   end
 277 end