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