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_of_user_#{@user.id}", :expires_at => Time.zone.now.end_of_day) do
  28         from = 1.year.ago.beginning_of_day
  29         to = Time.zone.now.end_of_day
  30
  31         mapped = Changeset
  32                  .where(:user_id => @user.id)
  33                  .where(:created_at => from..to)
  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,
  41                      :total_changes => changeset.total_changes.to_i,
  42                      :max_id => changeset.max_id
  43                    }
  44                  end
  45
  46         {
  47           :count => mapped.sum { |entry| entry[:total_changes] },
  48           :data => mapped.index_by { |entry| entry[:date] },
  49           :from => from,
  50           :to => to
  51         }
  52       end
  53     else
  54       render_unknown_user params[:display_name]
  55     end
  56   end
  57
  58   def new
  59     @title = t ".title"
  60     @referer = safe_referer(params[:referer])
  61
  62     parse_oauth_referer @referer
  63
  64     if current_user
  65       # The user is logged in already, so don't show them the signup
  66       # page, instead send them to the home page
  67       redirect_to @referer || { :controller => "site", :action => "index" }
  68     elsif params.key?(:auth_provider) && params.key?(:auth_uid)
  69       @email_hmac = params[:email_hmac]
  70
  71       self.current_user = User.new(:email => params[:email],
  72                                    :display_name => params[:nickname],
  73                                    :auth_provider => params[:auth_provider],
  74                                    :auth_uid => params[:auth_uid])
  75
  76       if current_user.valid? || current_user.errors[:email].empty?
  77         flash.now[:notice] = render_to_string :partial => "auth_association"
  78       else
  79         flash.now[:warning] = t ".duplicate_social_email"
  80       end
  81     else
  82       check_signup_allowed
  83
  84       self.current_user = User.new
  85     end
  86   end
  87
  88   def create
  89     self.current_user = User.new(user_params)
  90
  91     if check_signup_allowed(current_user.email)
  92       if current_user.auth_uid.present?
  93         # We are creating an account with external authentication and
  94         # no password was specified so create a random one
  95         current_user.pass_crypt = SecureRandom.base64(16)
  96         current_user.pass_crypt_confirmation = current_user.pass_crypt
  97       end
  98
  99       if current_user.invalid?
 100         # Something is wrong with a new user, so rerender the form
 101         render :action => "new"
 102       else
 103         # Save the user record
 104         if save_new_user params[:email_hmac]
 105           SIGNUP_IP_LIMITER&.update(request.remote_ip)
 106           SIGNUP_EMAIL_LIMITER&.update(canonical_email(current_user.email))
 107
 108           flash[:matomo_goal] = Settings.matomo["goals"]["signup"] if defined?(Settings.matomo)
 109
 110           referer = welcome_path(welcome_options(params[:referer]))
 111
 112           if current_user.status == "active"
 113             successful_login(current_user, referer)
 114           else
 115             session[:pending_user] = current_user.id
 116             UserMailer.signup_confirm(current_user, current_user.generate_token_for(:new_user), referer).deliver_later
 117             redirect_to :controller => :confirmations, :action => :confirm, :display_name => current_user.display_name
 118           end
 119         else
 120           render :action => "new", :referer => params[:referer]
 121         end
 122       end
 123     end
 124   end
 125
 126   def go_public
 127     current_user.data_public = true
 128     current_user.save
 129     flash[:notice] = t ".flash success"
 130     redirect_to account_path
 131   end
 132
 133   ##
 134   # omniauth success callback
 135   def auth_success
 136     referer = request.env["omniauth.params"]["referer"]
 137     auth_info = request.env["omniauth.auth"]
 138
 139     provider = auth_info[:provider]
 140     uid = auth_info[:uid]
 141     name = auth_info[:info][:name]
 142     email = auth_info[:info][:email]
 143
 144     email_verified = case provider
 145                      when "openid"
 146                        uid.match(%r{https://www.google.com/accounts/o8/id?(.*)}) ||
 147                        uid.match(%r{https://me.yahoo.com/(.*)})
 148                      when "google", "facebook", "microsoft", "github", "wikipedia"
 149                        true
 150                      else
 151                        false
 152                      end
 153
 154     if settings = session.delete(:new_user_settings)
 155       current_user.auth_provider = provider
 156       current_user.auth_uid = uid
 157
 158       update_user(current_user, settings)
 159
 160       flash.discard
 161
 162       session[:user_errors] = current_user.errors.as_json
 163
 164       redirect_to account_path
 165     else
 166       user = User.find_by(:auth_provider => provider, :auth_uid => uid)
 167
 168       if user.nil? && provider == "google"
 169         openid_url = auth_info[:extra][:id_info]["openid_id"]
 170         user = User.find_by(:auth_provider => "openid", :auth_uid => openid_url) if openid_url
 171         user&.update(:auth_provider => provider, :auth_uid => uid)
 172       end
 173
 174       if user
 175         case user.status
 176         when "pending"
 177           unconfirmed_login(user, referer)
 178         when "active", "confirmed"
 179           successful_login(user, referer)
 180         when "suspended"
 181           failed_login({ :partial => "sessions/suspended_flash" }, user.display_name, referer)
 182         else
 183           failed_login(t("sessions.new.auth failure"), user.display_name, referer)
 184         end
 185       else
 186         email_hmac = UsersController.message_hmac(email) if email_verified && email
 187         redirect_to :action => "new", :nickname => name, :email => email, :email_hmac => email_hmac,
 188                     :auth_provider => provider, :auth_uid => uid, :referer => referer
 189       end
 190     end
 191   end
 192
 193   ##
 194   # omniauth failure callback
 195   def auth_failure
 196     flash[:error] = t(params[:message], :scope => "users.auth_failure", :default => t(".unknown_error"))
 197
 198     origin = safe_referer(params[:origin]) if params[:origin]
 199
 200     redirect_to origin || login_url
 201   end
 202
 203   def self.message_hmac(text)
 204     sha256 = Digest::SHA256.new
 205     sha256 << Rails.application.key_generator.generate_key("openstreetmap/email_address")
 206     sha256 << text
 207     Base64.urlsafe_encode64(sha256.digest)
 208   end
 209
 210   private
 211
 212   def save_new_user(email_hmac)
 213     current_user.data_public = true
 214     current_user.description = "" if current_user.description.nil?
 215     current_user.creation_address = request.remote_ip
 216     current_user.languages = http_accept_language.user_preferred_languages
 217     current_user.terms_agreed = Time.now.utc
 218     current_user.tou_agreed = Time.now.utc
 219     current_user.terms_seen = true
 220
 221     if current_user.auth_uid.blank?
 222       current_user.auth_provider = nil
 223       current_user.auth_uid = nil
 224     elsif email_hmac && ActiveSupport::SecurityUtils.secure_compare(email_hmac, UsersController.message_hmac(current_user.email))
 225       current_user.activate
 226     end
 227
 228     current_user.save
 229   end
 230
 231   def welcome_options(referer = nil)
 232     uri = URI(referer) if referer.present?
 233
 234     return { "oauth_return_url" => uri&.to_s } if uri&.path == oauth_authorization_path
 235
 236     begin
 237       %r{map=(.*)/(.*)/(.*)}.match(uri.fragment) do |m|
 238         editor = Rack::Utils.parse_query(uri.query).slice("editor")
 239         return { "zoom" => m[1], "lat" => m[2], "lon" => m[3] }.merge(editor)
 240       end
 241     rescue StandardError
 242       # Use default
 243     end
 244   end
 245
 246   ##
 247   # return permitted user parameters
 248   def user_params
 249     params.expect(:user => [:email, :display_name,
 250                             :auth_provider, :auth_uid,
 251                             :pass_crypt, :pass_crypt_confirmation])
 252   end
 253
 254   ##
 255   # check signup acls
 256   def check_signup_allowed(email = nil)
 257     domain = if email.nil?
 258                nil
 259              else
 260                email.split("@").last
 261              end
 262
 263     mx_servers = if domain.nil?
 264                    nil
 265                  else
 266                    domain_mx_servers(domain)
 267                  end
 268
 269     return true if Acl.allow_account_creation(request.remote_ip, :domain => domain, :mx => mx_servers)
 270
 271     blocked = Acl.no_account_creation(request.remote_ip, :domain => domain, :mx => mx_servers)
 272
 273     blocked ||= SIGNUP_IP_LIMITER && !SIGNUP_IP_LIMITER.allow?(request.remote_ip)
 274
 275     blocked ||= email && SIGNUP_EMAIL_LIMITER && !SIGNUP_EMAIL_LIMITER.allow?(canonical_email(email))
 276
 277     if blocked
 278       logger.info "Blocked signup from #{request.remote_ip} for #{email}"
 279
 280       render :action => "blocked"
 281     end
 282
 283     !blocked
 284   end
 285 end