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       else
 102         # Save the user record
 103         save_new_user params[:email_hmac], params[:referer]
 104       end
 105     end
 106   end
 107
 108   ##
 109   # destroy a user, marking them as deleted and removing personal data
 110   def destroy
 111     @user.soft_destroy!
 112     redirect_to user_path(:display_name => params[:display_name])
 113   end
 114
 115   def terms
 116     @legale = params[:legale] || OSM.ip_to_country(request.remote_ip) || Settings.default_legale
 117     @text = OSM.legal_text_for_country(@legale)
 118
 119     if request.xhr?
 120       render :partial => "terms"
 121     else
 122       @title = t ".title"
 123
 124       if current_user&.terms_agreed?
 125         # Already agreed to terms, so just show settings
 126         redirect_to edit_account_path
 127       elsif current_user.nil?
 128         redirect_to login_path(:referer => request.fullpath)
 129       end
 130     end
 131   end
 132
 133   def save
 134     @title = t "users.new.title"
 135
 136     if params[:decline] || !(params[:read_tou] && params[:read_ct])
 137       if current_user
 138         current_user.terms_seen = true
 139
 140         flash[:notice] = { :partial => "users/terms_declined_flash" } if current_user.save
 141
 142         referer = safe_referer(params[:referer]) if params[:referer]
 143
 144         redirect_to referer || edit_account_path
 145       elsif params[:decline]
 146         redirect_to t("users.terms.declined"), :allow_other_host => true
 147       else
 148         redirect_to :action => :terms
 149       end
 150     elsif current_user
 151       unless current_user.terms_agreed?
 152         current_user.consider_pd = params[:user][:consider_pd]
 153         current_user.tou_agreed = Time.now.utc
 154         current_user.terms_agreed = Time.now.utc
 155         current_user.terms_seen = true
 156
 157         flash[:notice] = t "users.new.terms accepted" if current_user.save
 158       end
 159
 160       referer = safe_referer(params[:referer]) if params[:referer]
 161
 162       redirect_to referer || edit_account_path
 163     end
 164   end
 165
 166   def go_public
 167     current_user.data_public = true
 168     current_user.save
 169     flash[:notice] = t ".flash success"
 170     redirect_to edit_account_path
 171   end
 172
 173   ##
 174   # sets a user's status
 175   def set_status
 176     @user.activate! if params[:event] == "activate"
 177     @user.confirm! if params[:event] == "confirm"
 178     @user.unconfirm! if params[:event] == "unconfirm"
 179     @user.hide! if params[:event] == "hide"
 180     @user.unhide! if params[:event] == "unhide"
 181     @user.unsuspend! if params[:event] == "unsuspend"
 182     redirect_to user_path(:display_name => params[:display_name])
 183   end
 184
 185   ##
 186   # omniauth success callback
 187   def auth_success
 188     referer = request.env["omniauth.params"]["referer"]
 189     auth_info = request.env["omniauth.auth"]
 190
 191     provider = auth_info[:provider]
 192     uid = auth_info[:uid]
 193     name = auth_info[:info][:name]
 194     email = auth_info[:info][:email]
 195
 196     email_verified = case provider
 197                      when "openid"
 198                        uid.match(%r{https://www.google.com/accounts/o8/id?(.*)}) ||
 199                        uid.match(%r{https://me.yahoo.com/(.*)})
 200                      when "google", "facebook", "microsoft", "github", "wikipedia"
 201                        true
 202                      else
 203                        false
 204                      end
 205
 206     if settings = session.delete(:new_user_settings)
 207       current_user.auth_provider = provider
 208       current_user.auth_uid = uid
 209
 210       update_user(current_user, settings)
 211
 212       flash.discard
 213
 214       session[:user_errors] = current_user.errors.as_json
 215
 216       redirect_to edit_account_path
 217     else
 218       user = User.find_by(:auth_provider => provider, :auth_uid => uid)
 219
 220       if user.nil? && provider == "google"
 221         openid_url = auth_info[:extra][:id_info]["openid_id"]
 222         user = User.find_by(:auth_provider => "openid", :auth_uid => openid_url) if openid_url
 223         user&.update(:auth_provider => provider, :auth_uid => uid)
 224       end
 225
 226       if user
 227         case user.status
 228         when "pending"
 229           unconfirmed_login(user, referer)
 230         when "active", "confirmed"
 231           successful_login(user, referer)
 232         when "suspended"
 233           failed_login({ :partial => "sessions/suspended_flash" }, user.display_name, referer)
 234         else
 235           failed_login(t("sessions.new.auth failure"), user.display_name, referer)
 236         end
 237       else
 238         email_hmac = UsersController.message_hmac(email) if email_verified && email
 239         redirect_to :action => "new", :nickname => name, :email => email, :email_hmac => email_hmac,
 240                     :auth_provider => provider, :auth_uid => uid, :referer => referer
 241       end
 242     end
 243   end
 244
 245   ##
 246   # omniauth failure callback
 247   def auth_failure
 248     flash[:error] = t(params[:message], :scope => "users.auth_failure", :default => t(".unknown_error"))
 249
 250     origin = safe_referer(params[:origin]) if params[:origin]
 251
 252     redirect_to origin || login_url
 253   end
 254
 255   def self.message_hmac(text)
 256     sha256 = Digest::SHA256.new
 257     sha256 << Rails.application.key_generator.generate_key("openstreetmap/email_address")
 258     sha256 << text
 259     Base64.urlsafe_encode64(sha256.digest)
 260   end
 261
 262   private
 263
 264   def save_new_user(email_hmac, referer = nil)
 265     if check_signup_allowed(current_user.email)
 266       current_user.data_public = true
 267       current_user.description = "" if current_user.description.nil?
 268       current_user.creation_ip = request.remote_ip
 269       current_user.languages = http_accept_language.user_preferred_languages
 270       current_user.terms_agreed = Time.now.utc
 271       current_user.tou_agreed = Time.now.utc
 272       current_user.terms_seen = true
 273
 274       if current_user.auth_uid.blank?
 275         current_user.auth_provider = nil
 276         current_user.auth_uid = nil
 277       elsif email_hmac && ActiveSupport::SecurityUtils.secure_compare(email_hmac, UsersController.message_hmac(current_user.email))
 278         current_user.activate
 279       end
 280
 281       if current_user.save
 282         SIGNUP_IP_LIMITER&.update(request.remote_ip)
 283         SIGNUP_EMAIL_LIMITER&.update(canonical_email(current_user.email))
 284
 285         flash[:matomo_goal] = Settings.matomo["goals"]["signup"] if defined?(Settings.matomo)
 286
 287         referer = welcome_path(welcome_options(referer))
 288
 289         if current_user.status == "active"
 290           successful_login(current_user, referer)
 291         else
 292           session[:pending_user] = current_user.id
 293           UserMailer.signup_confirm(current_user, current_user.generate_token_for(:new_user), referer).deliver_later
 294           redirect_to :controller => :confirmations, :action => :confirm, :display_name => current_user.display_name
 295         end
 296       else
 297         render :action => "new", :referer => params[:referer]
 298       end
 299     end
 300   end
 301
 302   def welcome_options(referer = nil)
 303     uri = URI(referer) if referer.present?
 304
 305     return { "oauth_return_url" => uri&.to_s } if uri&.path == oauth_authorization_path
 306
 307     begin
 308       %r{map=(.*)/(.*)/(.*)}.match(uri.fragment) do |m|
 309         editor = Rack::Utils.parse_query(uri.query).slice("editor")
 310         return { "zoom" => m[1], "lat" => m[2], "lon" => m[3] }.merge(editor)
 311       end
 312     rescue StandardError
 313       # Use default
 314     end
 315   end
 316
 317   ##
 318   # ensure that there is a "user" instance variable
 319   def lookup_user_by_name
 320     @user = User.find_by(:display_name => params[:display_name])
 321   rescue ActiveRecord::RecordNotFound
 322     redirect_to :action => "view", :display_name => params[:display_name] unless @user
 323   end
 324
 325   ##
 326   # return permitted user parameters
 327   def user_params
 328     params.require(:user).permit(:email, :display_name,
 329                                  :auth_provider, :auth_uid,
 330                                  :pass_crypt, :pass_crypt_confirmation,
 331                                  :consider_pd)
 332   end
 333
 334   ##
 335   # check signup acls
 336   def check_signup_allowed(email = nil)
 337     domain = if email.nil?
 338                nil
 339              else
 340                email.split("@").last
 341              end
 342
 343     mx_servers = if domain.nil?
 344                    nil
 345                  else
 346                    domain_mx_servers(domain)
 347                  end
 348
 349     return true if Acl.allow_account_creation(request.remote_ip, :domain => domain, :mx => mx_servers)
 350
 351     blocked = Acl.no_account_creation(request.remote_ip, :domain => domain, :mx => mx_servers)
 352
 353     blocked ||= SIGNUP_IP_LIMITER && !SIGNUP_IP_LIMITER.allow?(request.remote_ip)
 354
 355     blocked ||= email && SIGNUP_EMAIL_LIMITER && !SIGNUP_EMAIL_LIMITER.allow?(canonical_email(email))
 356
 357     if blocked
 358       logger.info "Blocked signup from #{request.remote_ip} for #{email}"
 359
 360       render :action => "blocked"
 361     end
 362
 363     !blocked
 364   end
 365 end