app/controllers/users_controller.rb

   1 class UsersController < ApplicationController
   2   include EmailMethods
   3   include SessionMethods
   4   include UserMethods
   5   include PaginationMethods
   6
   7   layout "site"
   8
   9   skip_before_action :verify_authenticity_token, :only => [:auth_success]
  10   before_action :disable_terms_redirect, :only => [:terms, :save]
  11   before_action :authorize_web
  12   before_action :set_locale
  13   before_action :check_database_readable
  14
  15   authorize_resource
  16
  17   before_action :check_database_writable, :only => [:new, :go_public]
  18   before_action :require_cookies, :only => [:new]
  19   before_action :lookup_user_by_name, :only => [:set_status, :destroy]
  20
  21   allow_thirdparty_images :only => :show
  22   allow_social_login :only => :new
  23
  24   ##
  25   # display a list of users matching specified criteria
  26   def index
  27     if request.post?
  28       ids = params[:user].keys.collect(&:to_i)
  29
  30       User.where(:id => ids).update_all(:status => "confirmed") if params[:confirm]
  31       User.where(:id => ids).update_all(:status => "deleted") if params[:hide]
  32
  33       redirect_to url_for(:status => params[:status], :ip => params[:ip], :page => params[:page])
  34     else
  35       @params = params.permit(:status, :ip, :before, :after)
  36
  37       users = User.all
  38       users = users.where(:status => @params[:status]) if @params[:status]
  39       users = users.where(:creation_ip => @params[:ip]) if @params[:ip]
  40
  41       @users_count = users.count
  42       @users, @newer_users_id, @older_users_id = get_page_items(users, :limit => 50)
  43     end
  44   end
  45
  46   def show
  47     @user = User.find_by(:display_name => params[:display_name])
  48
  49     if @user &&
  50        (@user.visible? || current_user&.administrator?)
  51       @title = @user.display_name
  52     else
  53       render_unknown_user params[:display_name]
  54     end
  55   end
  56
  57   def new
  58     @title = t ".title"
  59     @referer = safe_referer(params[:referer])
  60
  61     parse_oauth_referer @referer
  62
  63     if current_user
  64       # The user is logged in already, so don't show them the signup
  65       # page, instead send them to the home page
  66       redirect_to @referer || { :controller => "site", :action => "index" }
  67     elsif params.key?(:auth_provider) && params.key?(:auth_uid)
  68       @email_hmac = params[:email_hmac]
  69
  70       self.current_user = User.new(:email => params[:email],
  71                                    :display_name => params[:nickname],
  72                                    :auth_provider => params[:auth_provider],
  73                                    :auth_uid => params[:auth_uid])
  74
  75       if current_user.valid? || current_user.errors[:email].empty?
  76         flash.now[:notice] = render_to_string :partial => "auth_association"
  77       else
  78         flash.now[:warning] = t ".duplicate_social_email"
  79       end
  80     else
  81       check_signup_allowed
  82
  83       self.current_user = User.new
  84     end
  85   end
  86
  87   def create
  88     self.current_user = User.new(user_params)
  89
  90     if check_signup_allowed(current_user.email)
  91       if current_user.auth_uid.present?
  92         # We are creating an account with external authentication and
  93         # no password was specified so create a random one
  94         current_user.pass_crypt = SecureRandom.base64(16)
  95         current_user.pass_crypt_confirmation = current_user.pass_crypt
  96       end
  97
  98       if current_user.invalid?
  99         # Something is wrong with a new user, so rerender the form
 100         render :action => "new"
 101       elsif current_user.auth_provider.present?
 102         # Verify external authenticator before moving on
 103         session[:new_user] = current_user.slice("email", "display_name", "pass_crypt", "pass_crypt_confirmation")
 104         redirect_to auth_url(current_user.auth_provider, current_user.auth_uid, params[:referer]), :status => :temporary_redirect
 105       else
 106         # Save the user record
 107         session[:new_user] = current_user.slice("email", "display_name", "pass_crypt", "pass_crypt_confirmation")
 108         save_new_user params[:email_hmac], params[:referer]
 109       end
 110     end
 111   end
 112
 113   ##
 114   # destroy a user, marking them as deleted and removing personal data
 115   def destroy
 116     @user.soft_destroy!
 117     redirect_to user_path(:display_name => params[:display_name])
 118   end
 119
 120   def terms
 121     @legale = params[:legale] || OSM.ip_to_country(request.remote_ip) || Settings.default_legale
 122     @text = OSM.legal_text_for_country(@legale)
 123
 124     if request.xhr?
 125       render :partial => "terms"
 126     else
 127       @title = t ".title"
 128
 129       if current_user&.terms_agreed?
 130         # Already agreed to terms, so just show settings
 131         redirect_to edit_account_path
 132       elsif current_user.nil?
 133         redirect_to login_path(:referer => request.fullpath)
 134       end
 135     end
 136   end
 137
 138   def save
 139     @title = t "users.new.title"
 140
 141     if params[:decline] || !(params[:read_tou] && params[:read_ct])
 142       if current_user
 143         current_user.terms_seen = true
 144
 145         flash[:notice] = { :partial => "users/terms_declined_flash" } if current_user.save
 146
 147         referer = safe_referer(params[:referer]) if params[:referer]
 148
 149         redirect_to referer || edit_account_path
 150       elsif params[:decline]
 151         redirect_to t("users.terms.declined"), :allow_other_host => true
 152       else
 153         redirect_to :action => :terms
 154       end
 155     elsif current_user
 156       unless current_user.terms_agreed?
 157         current_user.consider_pd = params[:user][:consider_pd]
 158         current_user.tou_agreed = Time.now.utc
 159         current_user.terms_agreed = Time.now.utc
 160         current_user.terms_seen = true
 161
 162         flash[:notice] = t "users.new.terms accepted" if current_user.save
 163       end
 164
 165       referer = safe_referer(params[:referer]) if params[:referer]
 166
 167       redirect_to referer || edit_account_path
 168     end
 169   end
 170
 171   def go_public
 172     current_user.data_public = true
 173     current_user.save
 174     flash[:notice] = t ".flash success"
 175     redirect_to edit_account_path
 176   end
 177
 178   ##
 179   # sets a user's status
 180   def set_status
 181     @user.activate! if params[:event] == "activate"
 182     @user.confirm! if params[:event] == "confirm"
 183     @user.unconfirm! if params[:event] == "unconfirm"
 184     @user.hide! if params[:event] == "hide"
 185     @user.unhide! if params[:event] == "unhide"
 186     @user.unsuspend! if params[:event] == "unsuspend"
 187     redirect_to user_path(:display_name => params[:display_name])
 188   end
 189
 190   ##
 191   # omniauth success callback
 192   def auth_success
 193     referer = request.env["omniauth.params"]["referer"]
 194     auth_info = request.env["omniauth.auth"]
 195
 196     provider = auth_info[:provider]
 197     uid = auth_info[:uid]
 198     name = auth_info[:info][:name]
 199     email = auth_info[:info][:email]
 200
 201     email_verified = case provider
 202                      when "openid"
 203                        uid.match(%r{https://www.google.com/accounts/o8/id?(.*)}) ||
 204                        uid.match(%r{https://me.yahoo.com/(.*)})
 205                      when "google", "facebook", "microsoft", "github", "wikipedia"
 206                        true
 207                      else
 208                        false
 209                      end
 210
 211     if settings = session.delete(:new_user_settings)
 212       current_user.auth_provider = provider
 213       current_user.auth_uid = uid
 214
 215       update_user(current_user, settings)
 216
 217       flash.discard
 218
 219       session[:user_errors] = current_user.errors.as_json
 220
 221       redirect_to edit_account_path
 222     elsif session[:new_user]
 223       session[:new_user]["auth_provider"] = provider
 224       session[:new_user]["auth_uid"] = uid
 225
 226       email_hmac = UsersController.message_hmac(email) if email_verified && email
 227       save_new_user email_hmac, referer
 228     else
 229       user = User.find_by(:auth_provider => provider, :auth_uid => uid)
 230
 231       if user.nil? && provider == "google"
 232         openid_url = auth_info[:extra][:id_info]["openid_id"]
 233         user = User.find_by(:auth_provider => "openid", :auth_uid => openid_url) if openid_url
 234         user&.update(:auth_provider => provider, :auth_uid => uid)
 235       end
 236
 237       if user
 238         case user.status
 239         when "pending"
 240           unconfirmed_login(user, referer)
 241         when "active", "confirmed"
 242           successful_login(user, referer)
 243         when "suspended"
 244           failed_login({ :partial => "sessions/suspended_flash" }, user.display_name, referer)
 245         else
 246           failed_login(t("sessions.new.auth failure"), user.display_name, referer)
 247         end
 248       else
 249         email_hmac = UsersController.message_hmac(email) if email_verified && email
 250         redirect_to :action => "new", :nickname => name, :email => email, :email_hmac => email_hmac,
 251                     :auth_provider => provider, :auth_uid => uid, :referer => referer
 252       end
 253     end
 254   end
 255
 256   ##
 257   # omniauth failure callback
 258   def auth_failure
 259     flash[:error] = t(params[:message], :scope => "users.auth_failure", :default => t(".unknown_error"))
 260
 261     origin = safe_referer(params[:origin]) if params[:origin]
 262
 263     redirect_to origin || login_url
 264   end
 265
 266   def self.message_hmac(text)
 267     sha256 = Digest::SHA256.new
 268     sha256 << Rails.application.key_generator.generate_key("openstreetmap/email_address")
 269     sha256 << text
 270     Base64.urlsafe_encode64(sha256.digest)
 271   end
 272
 273   private
 274
 275   def save_new_user(email_hmac, referer = nil)
 276     new_user = session.delete(:new_user)
 277     self.current_user = User.new(new_user)
 278     if check_signup_allowed(current_user.email)
 279       current_user.data_public = true
 280       current_user.description = "" if current_user.description.nil?
 281       current_user.creation_ip = request.remote_ip
 282       current_user.languages = http_accept_language.user_preferred_languages
 283       current_user.terms_agreed = Time.now.utc
 284       current_user.tou_agreed = Time.now.utc
 285       current_user.terms_seen = true
 286
 287       if current_user.auth_uid.blank?
 288         current_user.auth_provider = nil
 289         current_user.auth_uid = nil
 290       elsif email_hmac && ActiveSupport::SecurityUtils.secure_compare(email_hmac, UsersController.message_hmac(current_user.email))
 291         current_user.activate
 292       end
 293
 294       if current_user.save
 295         SIGNUP_IP_LIMITER&.update(request.remote_ip)
 296         SIGNUP_EMAIL_LIMITER&.update(canonical_email(current_user.email))
 297
 298         flash[:matomo_goal] = Settings.matomo["goals"]["signup"] if defined?(Settings.matomo)
 299
 300         referer = welcome_path(welcome_options(referer))
 301
 302         if current_user.status == "active"
 303           successful_login(current_user, referer)
 304         else
 305           session[:pending_user] = current_user.id
 306           UserMailer.signup_confirm(current_user, current_user.generate_token_for(:new_user), referer).deliver_later
 307           redirect_to :controller => :confirmations, :action => :confirm, :display_name => current_user.display_name
 308         end
 309       else
 310         render :action => "new", :referer => params[:referer]
 311       end
 312     end
 313   end
 314
 315   def welcome_options(referer = nil)
 316     uri = URI(referer) if referer.present?
 317
 318     return { "oauth_return_url" => uri&.to_s } if uri&.path == oauth_authorization_path
 319
 320     begin
 321       %r{map=(.*)/(.*)/(.*)}.match(uri.fragment) do |m|
 322         editor = Rack::Utils.parse_query(uri.query).slice("editor")
 323         return { "zoom" => m[1], "lat" => m[2], "lon" => m[3] }.merge(editor)
 324       end
 325     rescue StandardError
 326       # Use default
 327     end
 328   end
 329
 330   ##
 331   # ensure that there is a "user" instance variable
 332   def lookup_user_by_name
 333     @user = User.find_by(:display_name => params[:display_name])
 334   rescue ActiveRecord::RecordNotFound
 335     redirect_to :action => "view", :display_name => params[:display_name] unless @user
 336   end
 337
 338   ##
 339   # return permitted user parameters
 340   def user_params
 341     params.require(:user).permit(:email, :display_name,
 342                                  :auth_provider, :auth_uid,
 343                                  :pass_crypt, :pass_crypt_confirmation,
 344                                  :consider_pd)
 345   end
 346
 347   ##
 348   # check signup acls
 349   def check_signup_allowed(email = nil)
 350     domain = if email.nil?
 351                nil
 352              else
 353                email.split("@").last
 354              end
 355
 356     mx_servers = if domain.nil?
 357                    nil
 358                  else
 359                    domain_mx_servers(domain)
 360                  end
 361
 362     return true if Acl.allow_account_creation(request.remote_ip, :domain => domain, :mx => mx_servers)
 363
 364     blocked = Acl.no_account_creation(request.remote_ip, :domain => domain, :mx => mx_servers)
 365
 366     blocked ||= SIGNUP_IP_LIMITER && !SIGNUP_IP_LIMITER.allow?(request.remote_ip)
 367
 368     blocked ||= email && SIGNUP_EMAIL_LIMITER && !SIGNUP_EMAIL_LIMITER.allow?(canonical_email(email))
 369
 370     if blocked
 371       logger.info "Blocked signup from #{request.remote_ip} for #{email}"
 372
 373       render :action => "blocked"
 374     end
 375
 376     !blocked
 377   end
 378 end