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