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
  20   allow_thirdparty_images :only => :show
  21   allow_social_login :only => :new
  22
  23   def show
  24     @user = User.find_by(:display_name => params[:display_name])
  25
  26     if @user &&
  27        (@user.visible? || current_user&.administrator?)
  28       @title = @user.display_name
  29     else
  30       render_unknown_user params[:display_name]
  31     end
  32   end
  33
  34   def new
  35     @title = t ".title"
  36     @referer = safe_referer(params[:referer])
  37
  38     parse_oauth_referer @referer
  39
  40     if current_user
  41       # The user is logged in already, so don't show them the signup
  42       # page, instead send them to the home page
  43       redirect_to @referer || { :controller => "site", :action => "index" }
  44     elsif params.key?(:auth_provider) && params.key?(:auth_uid)
  45       @email_hmac = params[:email_hmac]
  46
  47       self.current_user = User.new(:email => params[:email],
  48                                    :display_name => params[:nickname],
  49                                    :auth_provider => params[:auth_provider],
  50                                    :auth_uid => params[:auth_uid])
  51
  52       if current_user.valid? || current_user.errors[:email].empty?
  53         flash.now[:notice] = render_to_string :partial => "auth_association"
  54       else
  55         flash.now[:warning] = t ".duplicate_social_email"
  56       end
  57     else
  58       check_signup_allowed
  59
  60       self.current_user = User.new
  61     end
  62   end
  63
  64   def create
  65     self.current_user = User.new(user_params)
  66
  67     if check_signup_allowed(current_user.email)
  68       if current_user.auth_uid.present?
  69         # We are creating an account with external authentication and
  70         # no password was specified so create a random one
  71         current_user.pass_crypt = SecureRandom.base64(16)
  72         current_user.pass_crypt_confirmation = current_user.pass_crypt
  73       end
  74
  75       if current_user.invalid?
  76         # Something is wrong with a new user, so rerender the form
  77         render :action => "new"
  78       else
  79         # Save the user record
  80         save_new_user params[:email_hmac], params[:referer]
  81       end
  82     end
  83   end
  84
  85   ##
  86   # destroy a user, marking them as deleted and removing personal data
  87   def destroy
  88     @user.soft_destroy!
  89     redirect_to user_path(:display_name => params[:display_name])
  90   end
  91
  92   def terms
  93     @legale = params[:legale] || OSM.ip_to_country(request.remote_ip) || Settings.default_legale
  94     @text = OSM.legal_text_for_country(@legale)
  95
  96     if request.xhr?
  97       render :partial => "terms"
  98     else
  99       @title = t ".title"
 100
 101       if current_user&.terms_agreed?
 102         # Already agreed to terms, so just show settings
 103         redirect_to edit_account_path
 104       elsif current_user.nil?
 105         redirect_to login_path(:referer => request.fullpath)
 106       end
 107     end
 108   end
 109
 110   def save
 111     @title = t "users.new.title"
 112
 113     if params[:decline] || !(params[:read_tou] && params[:read_ct])
 114       if current_user
 115         current_user.terms_seen = true
 116
 117         flash[:notice] = { :partial => "users/terms_declined_flash" } if current_user.save
 118
 119         referer = safe_referer(params[:referer]) if params[:referer]
 120
 121         redirect_to referer || edit_account_path
 122       elsif params[:decline]
 123         redirect_to t("users.terms.declined"), :allow_other_host => true
 124       else
 125         redirect_to :action => :terms
 126       end
 127     elsif current_user
 128       unless current_user.terms_agreed?
 129         current_user.consider_pd = params[:user][:consider_pd]
 130         current_user.tou_agreed = Time.now.utc
 131         current_user.terms_agreed = Time.now.utc
 132         current_user.terms_seen = true
 133
 134         flash[:notice] = t "users.new.terms accepted" if current_user.save
 135       end
 136
 137       referer = safe_referer(params[:referer]) if params[:referer]
 138
 139       redirect_to referer || edit_account_path
 140     end
 141   end
 142
 143   def go_public
 144     current_user.data_public = true
 145     current_user.save
 146     flash[:notice] = t ".flash success"
 147     redirect_to edit_account_path
 148   end
 149
 150   ##
 151   # sets a user's status
 152   def set_status
 153     @user.activate! if params[:event] == "activate"
 154     @user.confirm! if params[:event] == "confirm"
 155     @user.unconfirm! if params[:event] == "unconfirm"
 156     @user.hide! if params[:event] == "hide"
 157     @user.unhide! if params[:event] == "unhide"
 158     @user.unsuspend! if params[:event] == "unsuspend"
 159     redirect_to user_path(:display_name => params[:display_name])
 160   end
 161
 162   ##
 163   # omniauth success callback
 164   def auth_success
 165     referer = request.env["omniauth.params"]["referer"]
 166     auth_info = request.env["omniauth.auth"]
 167
 168     provider = auth_info[:provider]
 169     uid = auth_info[:uid]
 170     name = auth_info[:info][:name]
 171     email = auth_info[:info][:email]
 172
 173     email_verified = case provider
 174                      when "openid"
 175                        uid.match(%r{https://www.google.com/accounts/o8/id?(.*)}) ||
 176                        uid.match(%r{https://me.yahoo.com/(.*)})
 177                      when "google", "facebook", "microsoft", "github", "wikipedia"
 178                        true
 179                      else
 180                        false
 181                      end
 182
 183     if settings = session.delete(:new_user_settings)
 184       current_user.auth_provider = provider
 185       current_user.auth_uid = uid
 186
 187       update_user(current_user, settings)
 188
 189       flash.discard
 190
 191       session[:user_errors] = current_user.errors.as_json
 192
 193       redirect_to edit_account_path
 194     else
 195       user = User.find_by(:auth_provider => provider, :auth_uid => uid)
 196
 197       if user.nil? && provider == "google"
 198         openid_url = auth_info[:extra][:id_info]["openid_id"]
 199         user = User.find_by(:auth_provider => "openid", :auth_uid => openid_url) if openid_url
 200         user&.update(:auth_provider => provider, :auth_uid => uid)
 201       end
 202
 203       if user
 204         case user.status
 205         when "pending"
 206           unconfirmed_login(user, referer)
 207         when "active", "confirmed"
 208           successful_login(user, referer)
 209         when "suspended"
 210           failed_login({ :partial => "sessions/suspended_flash" }, user.display_name, referer)
 211         else
 212           failed_login(t("sessions.new.auth failure"), user.display_name, referer)
 213         end
 214       else
 215         email_hmac = UsersController.message_hmac(email) if email_verified && email
 216         redirect_to :action => "new", :nickname => name, :email => email, :email_hmac => email_hmac,
 217                     :auth_provider => provider, :auth_uid => uid, :referer => referer
 218       end
 219     end
 220   end
 221
 222   ##
 223   # omniauth failure callback
 224   def auth_failure
 225     flash[:error] = t(params[:message], :scope => "users.auth_failure", :default => t(".unknown_error"))
 226
 227     origin = safe_referer(params[:origin]) if params[:origin]
 228
 229     redirect_to origin || login_url
 230   end
 231
 232   def self.message_hmac(text)
 233     sha256 = Digest::SHA256.new
 234     sha256 << Rails.application.key_generator.generate_key("openstreetmap/email_address")
 235     sha256 << text
 236     Base64.urlsafe_encode64(sha256.digest)
 237   end
 238
 239   private
 240
 241   def save_new_user(email_hmac, referer = nil)
 242     current_user.data_public = true
 243     current_user.description = "" if current_user.description.nil?
 244     current_user.creation_address = request.remote_ip
 245     current_user.languages = http_accept_language.user_preferred_languages
 246     current_user.terms_agreed = Time.now.utc
 247     current_user.tou_agreed = Time.now.utc
 248     current_user.terms_seen = true
 249
 250     if current_user.auth_uid.blank?
 251       current_user.auth_provider = nil
 252       current_user.auth_uid = nil
 253     elsif email_hmac && ActiveSupport::SecurityUtils.secure_compare(email_hmac, UsersController.message_hmac(current_user.email))
 254       current_user.activate
 255     end
 256
 257     if current_user.save
 258       SIGNUP_IP_LIMITER&.update(request.remote_ip)
 259       SIGNUP_EMAIL_LIMITER&.update(canonical_email(current_user.email))
 260
 261       flash[:matomo_goal] = Settings.matomo["goals"]["signup"] if defined?(Settings.matomo)
 262
 263       referer = welcome_path(welcome_options(referer))
 264
 265       if current_user.status == "active"
 266         successful_login(current_user, referer)
 267       else
 268         session[:pending_user] = current_user.id
 269         UserMailer.signup_confirm(current_user, current_user.generate_token_for(:new_user), referer).deliver_later
 270         redirect_to :controller => :confirmations, :action => :confirm, :display_name => current_user.display_name
 271       end
 272     else
 273       render :action => "new", :referer => params[:referer]
 274     end
 275   end
 276
 277   def welcome_options(referer = nil)
 278     uri = URI(referer) if referer.present?
 279
 280     return { "oauth_return_url" => uri&.to_s } if uri&.path == oauth_authorization_path
 281
 282     begin
 283       %r{map=(.*)/(.*)/(.*)}.match(uri.fragment) do |m|
 284         editor = Rack::Utils.parse_query(uri.query).slice("editor")
 285         return { "zoom" => m[1], "lat" => m[2], "lon" => m[3] }.merge(editor)
 286       end
 287     rescue StandardError
 288       # Use default
 289     end
 290   end
 291
 292   ##
 293   # ensure that there is a "user" instance variable
 294   def lookup_user_by_name
 295     @user = User.find_by(:display_name => params[:display_name])
 296   rescue ActiveRecord::RecordNotFound
 297     redirect_to :action => "view", :display_name => params[:display_name] unless @user
 298   end
 299
 300   ##
 301   # return permitted user parameters
 302   def user_params
 303     params.require(:user).permit(:email, :display_name,
 304                                  :auth_provider, :auth_uid,
 305                                  :pass_crypt, :pass_crypt_confirmation,
 306                                  :consider_pd)
 307   end
 308
 309   ##
 310   # check signup acls
 311   def check_signup_allowed(email = nil)
 312     domain = if email.nil?
 313                nil
 314              else
 315                email.split("@").last
 316              end
 317
 318     mx_servers = if domain.nil?
 319                    nil
 320                  else
 321                    domain_mx_servers(domain)
 322                  end
 323
 324     return true if Acl.allow_account_creation(request.remote_ip, :domain => domain, :mx => mx_servers)
 325
 326     blocked = Acl.no_account_creation(request.remote_ip, :domain => domain, :mx => mx_servers)
 327
 328     blocked ||= SIGNUP_IP_LIMITER && !SIGNUP_IP_LIMITER.allow?(request.remote_ip)
 329
 330     blocked ||= email && SIGNUP_EMAIL_LIMITER && !SIGNUP_EMAIL_LIMITER.allow?(canonical_email(email))
 331
 332     if blocked
 333       logger.info "Blocked signup from #{request.remote_ip} for #{email}"
 334
 335       render :action => "blocked"
 336     end
 337
 338     !blocked
 339   end
 340 end