app/controllers/users_controller.rb

   1 class UsersController < ApplicationController
   2   include SessionMethods
   3
   4   layout "site"
   5
   6   skip_before_action :verify_authenticity_token, :only => [:auth_success]
   7   before_action :disable_terms_redirect, :only => [:terms, :save]
   8   before_action :authorize_web
   9   before_action :set_locale
  10   before_action :check_database_readable
  11
  12   authorize_resource
  13
  14   before_action :require_self, :only => [:account]
  15   before_action :check_database_writable, :only => [:new, :account, :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, :account]
  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 user_account_path(current_user)
  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         if params[:referer]
  48           redirect_to safe_referer(params[:referer])
  49         else
  50           redirect_to user_account_path(current_user)
  51         end
  52       elsif params[:decline]
  53         redirect_to t("users.terms.declined")
  54       else
  55         redirect_to :action => :terms
  56       end
  57     elsif current_user
  58       unless current_user.terms_agreed?
  59         current_user.consider_pd = params[:user][:consider_pd]
  60         current_user.tou_agreed = Time.now.getutc
  61         current_user.terms_agreed = Time.now.getutc
  62         current_user.terms_seen = true
  63
  64         flash[:notice] = t "users.new.terms accepted" if current_user.save
  65       end
  66
  67       if params[:referer]
  68         redirect_to safe_referer(params[:referer])
  69       else
  70         redirect_to user_account_path(current_user)
  71       end
  72     else
  73       self.current_user = session.delete(:new_user)
  74
  75       if check_signup_allowed(current_user.email)
  76         current_user.data_public = true
  77         current_user.description = "" if current_user.description.nil?
  78         current_user.creation_ip = request.remote_ip
  79         current_user.languages = http_accept_language.user_preferred_languages
  80         current_user.terms_agreed = Time.now.getutc
  81         current_user.tou_agreed = Time.now.getutc
  82         current_user.terms_seen = true
  83
  84         if current_user.auth_uid.blank?
  85           current_user.auth_provider = nil
  86           current_user.auth_uid = nil
  87         end
  88
  89         if current_user.save
  90           flash[:piwik_goal] = PIWIK["goals"]["signup"] if defined?(PIWIK)
  91
  92           referer = welcome_path
  93
  94           begin
  95             uri = URI(session[:referer])
  96             %r{map=(.*)/(.*)/(.*)}.match(uri.fragment) do |m|
  97               editor = Rack::Utils.parse_query(uri.query).slice("editor")
  98               referer = welcome_path({ "zoom" => m[1],
  99                                        "lat" => m[2],
 100                                        "lon" => m[3] }.merge(editor))
 101             end
 102           rescue StandardError
 103             # Use default
 104           end
 105
 106           if current_user.status == "active"
 107             session[:referer] = referer
 108             successful_login(current_user)
 109           else
 110             session[:token] = current_user.tokens.create.token
 111             UserMailer.signup_confirm(current_user, current_user.tokens.create(:referer => referer)).deliver_later
 112             redirect_to :controller => :confirmations, :action => :confirm, :display_name => current_user.display_name
 113           end
 114         else
 115           render :action => "new", :referer => params[:referer]
 116         end
 117       end
 118     end
 119   end
 120
 121   def account
 122     @tokens = current_user.oauth_tokens.authorized
 123
 124     append_content_security_policy_directives(
 125       :form_action => %w[accounts.google.com *.facebook.com login.live.com github.com meta.wikimedia.org]
 126     )
 127
 128     if request.post?
 129       if params[:user][:auth_provider].blank? ||
 130          (params[:user][:auth_provider] == current_user.auth_provider &&
 131           params[:user][:auth_uid] == current_user.auth_uid)
 132         update_user(current_user, params)
 133         redirect_to user_account_url(current_user) if current_user.errors.count.zero?
 134       else
 135         session[:new_user_settings] = params
 136         redirect_to auth_url(params[:user][:auth_provider], params[:user][:auth_uid]), :status => :temporary_redirect
 137       end
 138     elsif errors = session.delete(:user_errors)
 139       errors.each do |attribute, error|
 140         current_user.errors.add(attribute, error)
 141       end
 142     end
 143     @title = t "users.account.title"
 144   end
 145
 146   def go_public
 147     current_user.data_public = true
 148     current_user.save
 149     flash[:notice] = t "users.go_public.flash success"
 150     redirect_to user_account_path(current_user)
 151   end
 152
 153   def new
 154     @title = t "users.new.title"
 155     @referer = if params[:referer]
 156                  safe_referer(params[:referer])
 157                else
 158                  session[:referer]
 159                end
 160
 161     append_content_security_policy_directives(
 162       :form_action => %w[accounts.google.com *.facebook.com login.live.com github.com meta.wikimedia.org]
 163     )
 164
 165     if current_user
 166       # The user is logged in already, so don't show them the signup
 167       # page, instead send them to the home page
 168       if @referer
 169         redirect_to @referer
 170       else
 171         redirect_to :controller => "site", :action => "index"
 172       end
 173     elsif params.key?(:auth_provider) && params.key?(:auth_uid)
 174       self.current_user = User.new(:email => params[:email],
 175                                    :email_confirmation => params[:email],
 176                                    :display_name => params[:nickname],
 177                                    :auth_provider => params[:auth_provider],
 178                                    :auth_uid => params[:auth_uid])
 179
 180       flash.now[:notice] = render_to_string :partial => "auth_association"
 181     else
 182       check_signup_allowed
 183
 184       self.current_user = User.new
 185     end
 186   end
 187
 188   def create
 189     self.current_user = User.new(user_params)
 190
 191     if check_signup_allowed(current_user.email)
 192       session[:referer] = safe_referer(params[:referer]) if params[:referer]
 193
 194       Rails.logger.info "create: #{session[:referer]}"
 195
 196       current_user.status = "pending"
 197
 198       if current_user.auth_provider.present? && current_user.pass_crypt.empty?
 199         # We are creating an account with external authentication and
 200         # no password was specified so create a random one
 201         current_user.pass_crypt = SecureRandom.base64(16)
 202         current_user.pass_crypt_confirmation = current_user.pass_crypt
 203       end
 204
 205       if current_user.invalid?
 206         # Something is wrong with a new user, so rerender the form
 207         render :action => "new"
 208       elsif current_user.auth_provider.present?
 209         # Verify external authenticator before moving on
 210         session[:new_user] = current_user
 211         redirect_to auth_url(current_user.auth_provider, current_user.auth_uid), :status => :temporary_redirect
 212       else
 213         # Save the user record
 214         session[:new_user] = current_user
 215         redirect_to :action => :terms
 216       end
 217     end
 218   end
 219
 220   def show
 221     @user = User.find_by(:display_name => params[:display_name])
 222
 223     if @user &&
 224        (@user.visible? || current_user&.administrator?)
 225       @title = @user.display_name
 226     else
 227       render_unknown_user params[:display_name]
 228     end
 229   end
 230
 231   ##
 232   # sets a user's status
 233   def set_status
 234     @user.status = params[:status]
 235     @user.save
 236     redirect_to user_path(:display_name => params[:display_name])
 237   end
 238
 239   ##
 240   # delete a user, marking them as deleted and removing personal data
 241   def destroy
 242     @user.delete
 243     redirect_to user_path(:display_name => params[:display_name])
 244   end
 245
 246   ##
 247   # display a list of users matching specified criteria
 248   def index
 249     if request.post?
 250       ids = params[:user].keys.collect(&:to_i)
 251
 252       User.where(:id => ids).update_all(:status => "confirmed") if params[:confirm]
 253       User.where(:id => ids).update_all(:status => "deleted") if params[:hide]
 254
 255       redirect_to url_for(:status => params[:status], :ip => params[:ip], :page => params[:page])
 256     else
 257       @params = params.permit(:status, :ip)
 258
 259       conditions = {}
 260       conditions[:status] = @params[:status] if @params[:status]
 261       conditions[:creation_ip] = @params[:ip] if @params[:ip]
 262
 263       @user_pages, @users = paginate(:users,
 264                                      :conditions => conditions,
 265                                      :order => :id,
 266                                      :per_page => 50)
 267     end
 268   end
 269
 270   ##
 271   # omniauth success callback
 272   def auth_success
 273     auth_info = request.env["omniauth.auth"]
 274
 275     provider = auth_info[:provider]
 276     uid = auth_info[:uid]
 277     name = auth_info[:info][:name]
 278     email = auth_info[:info][:email]
 279
 280     email_verified = case provider
 281                      when "openid"
 282                        uid.match(%r{https://www.google.com/accounts/o8/id?(.*)}) ||
 283                        uid.match(%r{https://me.yahoo.com/(.*)})
 284                      when "google", "facebook"
 285                        true
 286                      else
 287                        false
 288                      end
 289
 290     if settings = session.delete(:new_user_settings)
 291       current_user.auth_provider = provider
 292       current_user.auth_uid = uid
 293
 294       update_user(current_user, settings)
 295
 296       flash.discard
 297
 298       session[:user_errors] = current_user.errors.as_json
 299
 300       redirect_to user_account_path(current_user)
 301     elsif session[:new_user]
 302       session[:new_user].auth_provider = provider
 303       session[:new_user].auth_uid = uid
 304
 305       session[:new_user].status = "active" if email_verified && email == session[:new_user].email
 306
 307       redirect_to :action => "terms"
 308     else
 309       user = User.find_by(:auth_provider => provider, :auth_uid => uid)
 310
 311       if user.nil? && provider == "google"
 312         openid_url = auth_info[:extra][:id_info]["openid_id"]
 313         user = User.find_by(:auth_provider => "openid", :auth_uid => openid_url) if openid_url
 314         user&.update(:auth_provider => provider, :auth_uid => uid)
 315       end
 316
 317       if user
 318         case user.status
 319         when "pending"
 320           unconfirmed_login(user)
 321         when "active", "confirmed"
 322           successful_login(user, request.env["omniauth.params"]["referer"])
 323         when "suspended"
 324           failed_login t("sessions.new.account is suspended", :webmaster => "mailto:#{Settings.support_email}").html_safe
 325         else
 326           failed_login t("sessions.new.auth failure")
 327         end
 328       else
 329         redirect_to :action => "new", :nickname => name, :email => email,
 330                     :auth_provider => provider, :auth_uid => uid
 331       end
 332     end
 333   end
 334
 335   ##
 336   # omniauth failure callback
 337   def auth_failure
 338     flash[:error] = t("users.auth_failure.#{params[:message]}")
 339     redirect_to params[:origin] || login_url
 340   end
 341
 342   private
 343
 344   ##
 345   #
 346   def unconfirmed_login(user)
 347     session[:token] = user.tokens.create.token
 348
 349     redirect_to :action => "confirm", :display_name => user.display_name
 350
 351     session.delete(:remember_me)
 352     session.delete(:referer)
 353   end
 354
 355   ##
 356   # update a user's details
 357   def update_user(user, params)
 358     user.display_name = params[:user][:display_name]
 359     user.new_email = params[:user][:new_email]
 360
 361     unless params[:user][:pass_crypt].empty? && params[:user][:pass_crypt_confirmation].empty?
 362       user.pass_crypt = params[:user][:pass_crypt]
 363       user.pass_crypt_confirmation = params[:user][:pass_crypt_confirmation]
 364     end
 365
 366     if params[:user][:auth_provider].nil? || params[:user][:auth_provider].blank?
 367       user.auth_provider = nil
 368       user.auth_uid = nil
 369     end
 370
 371     if user.save
 372       session[:fingerprint] = user.fingerprint
 373
 374       if user.new_email.blank? || user.new_email == user.email
 375         flash[:notice] = t "users.account.flash update success"
 376       else
 377         user.email = user.new_email
 378
 379         if user.valid?
 380           flash[:notice] = t "users.account.flash update success confirm needed"
 381
 382           begin
 383             UserMailer.email_confirm(user, user.tokens.create).deliver_later
 384           rescue StandardError
 385             # Ignore errors sending email
 386           end
 387         else
 388           current_user.errors.add(:new_email, current_user.errors[:email])
 389           current_user.errors.add(:email, [])
 390         end
 391
 392         user.restore_email!
 393       end
 394     end
 395   end
 396
 397   ##
 398   # require that the user in the URL is the logged in user
 399   def require_self
 400     head :forbidden if params[:display_name] != current_user.display_name
 401   end
 402
 403   ##
 404   # ensure that there is a "user" instance variable
 405   def lookup_user_by_name
 406     @user = User.find_by(:display_name => params[:display_name])
 407   rescue ActiveRecord::RecordNotFound
 408     redirect_to :action => "view", :display_name => params[:display_name] unless @user
 409   end
 410
 411   ##
 412   # return permitted user parameters
 413   def user_params
 414     params.require(:user).permit(:email, :email_confirmation, :display_name,
 415                                  :auth_provider, :auth_uid,
 416                                  :pass_crypt, :pass_crypt_confirmation)
 417   end
 418
 419   ##
 420   # check signup acls
 421   def check_signup_allowed(email = nil)
 422     domain = if email.nil?
 423                nil
 424              else
 425                email.split("@").last
 426              end
 427
 428     mx_servers = if domain.nil?
 429                    nil
 430                  else
 431                    domain_mx_servers(domain)
 432                  end
 433
 434     if blocked = Acl.no_account_creation(request.remote_ip, :domain => domain, :mx => mx_servers)
 435       logger.info "Blocked signup from #{request.remote_ip} for #{email}"
 436
 437       render :action => "blocked"
 438     end
 439
 440     !blocked
 441   end
 442
 443   ##
 444   # get list of MX servers for a domains
 445   def domain_mx_servers(domain)
 446     Resolv::DNS.open do |dns|
 447       dns.getresources(domain, Resolv::DNS::Resource::IN::MX).collect(&:exchange).collect(&:to_s)
 448     end
 449   end
 450 end