app/controllers/users_controller.rb

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