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users_controller.rb
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users_controller.rb
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class UsersController < ApplicationController
layout "site"
skip_before_action :verify_authenticity_token, :only => [:auth_success]
before_action :disable_terms_redirect, :only => [:terms, :save, :logout]
before_action :authorize_web
before_action :set_locale
before_action :check_database_readable
authorize_resource
before_action :require_self, :only => [:account]
before_action :check_database_writable, :only => [:new, :account, :confirm, :confirm_email, :lost_password, :reset_password, :go_public]
before_action :require_cookies, :only => [:new, :login, :confirm]
before_action :lookup_user_by_name, :only => [:set_status, :destroy]
before_action :allow_thirdparty_images, :only => [:show, :account]
def terms
@legale = params[:legale] || OSM.ip_to_country(request.remote_ip) || Settings.default_legale
@text = OSM.legal_text_for_country(@legale)
if request.xhr?
render :partial => "terms"
else
@title = t "users.terms.title"
if current_user&.terms_agreed?
# Already agreed to terms, so just show settings
redirect_to :action => :account, :display_name => current_user.display_name
elsif current_user.nil? && session[:new_user].nil?
redirect_to :action => :login, :referer => request.fullpath
end
end
end
def save
@title = t "users.new.title"
if params[:decline] || !(params[:read_tou] && params[:read_ct])
if current_user
current_user.terms_seen = true
flash[:notice] = t("users.new.terms declined", :url => t("users.new.terms declined url")).html_safe if current_user.save
if params[:referer]
redirect_to safe_referer(params[:referer])
else
redirect_to :action => :account, :display_name => current_user.display_name
end
elsif params[:decline]
redirect_to t("users.terms.declined")
else
redirect_to :action => :terms
end
elsif current_user
unless current_user.terms_agreed?
current_user.consider_pd = params[:user][:consider_pd]
current_user.tou_agreed = Time.now.getutc
current_user.terms_agreed = Time.now.getutc
current_user.terms_seen = true
flash[:notice] = t "users.new.terms accepted" if current_user.save
end
if params[:referer]
redirect_to safe_referer(params[:referer])
else
redirect_to :action => :account, :display_name => current_user.display_name
end
else
self.current_user = session.delete(:new_user)
if check_signup_allowed(current_user.email)
current_user.data_public = true
current_user.description = "" if current_user.description.nil?
current_user.creation_ip = request.remote_ip
current_user.languages = http_accept_language.user_preferred_languages
current_user.terms_agreed = Time.now.getutc
current_user.tou_agreed = Time.now.getutc
current_user.terms_seen = true
if current_user.auth_uid.blank?
current_user.auth_provider = nil
current_user.auth_uid = nil
end
if current_user.save
flash[:piwik_goal] = PIWIK["goals"]["signup"] if defined?(PIWIK)
referer = welcome_path
begin
uri = URI(session[:referer])
%r{map=(.*)/(.*)/(.*)}.match(uri.fragment) do |m|
editor = Rack::Utils.parse_query(uri.query).slice("editor")
referer = welcome_path({ "zoom" => m[1],
"lat" => m[2],
"lon" => m[3] }.merge(editor))
end
rescue StandardError
# Use default
end
if current_user.status == "active"
session[:referer] = referer
successful_login(current_user)
else
session[:token] = current_user.tokens.create.token
UserMailer.signup_confirm(current_user, current_user.tokens.create(:referer => referer)).deliver_later
redirect_to :action => "confirm", :display_name => current_user.display_name
end
else
render :action => "new", :referer => params[:referer]
end
end
end
end
def account
@tokens = current_user.oauth_tokens.authorized
append_content_security_policy_directives(
:form_action => %w[accounts.google.com *.facebook.com login.live.com github.com meta.wikimedia.org]
)
if request.post?
if params[:user][:auth_provider].blank? ||
(params[:user][:auth_provider] == current_user.auth_provider &&
params[:user][:auth_uid] == current_user.auth_uid)
update_user(current_user, params)
redirect_to user_account_url(current_user) if current_user.errors.count.zero?
else
session[:new_user_settings] = params
redirect_to auth_url(params[:user][:auth_provider], params[:user][:auth_uid]), :status => :temporary_redirect
end
elsif errors = session.delete(:user_errors)
errors.each do |attribute, error|
current_user.errors.add(attribute, error)
end
end
@title = t "users.account.title"
end
def go_public
current_user.data_public = true
current_user.save
flash[:notice] = t "users.go_public.flash success"
redirect_to :action => "account", :display_name => current_user.display_name
end
def lost_password
@title = t "users.lost_password.title"
if request.post?
user = User.visible.find_by(:email => params[:email])
if user.nil?
users = User.visible.where("LOWER(email) = LOWER(?)", params[:email])
user = users.first if users.count == 1
end
if user
token = user.tokens.create
UserMailer.lost_password(user, token).deliver_later
flash[:notice] = t "users.lost_password.notice email on way"
redirect_to login_path
else
flash.now[:error] = t "users.lost_password.notice email cannot find"
end
end
end
def reset_password
@title = t "users.reset_password.title"
if params[:token]
token = UserToken.find_by(:token => params[:token])
if token
self.current_user = token.user
if params[:user]
current_user.pass_crypt = params[:user][:pass_crypt]
current_user.pass_crypt_confirmation = params[:user][:pass_crypt_confirmation]
current_user.status = "active" if current_user.status == "pending"
current_user.email_valid = true
if current_user.save
token.destroy
session[:fingerprint] = current_user.fingerprint
flash[:notice] = t "users.reset_password.flash changed"
successful_login(current_user)
end
end
else
flash[:error] = t "users.reset_password.flash token bad"
redirect_to :action => "lost_password"
end
else
head :bad_request
end
end
def new
@title = t "users.new.title"
@referer = if params[:referer]
safe_referer(params[:referer])
else
session[:referer]
end
append_content_security_policy_directives(
:form_action => %w[accounts.google.com *.facebook.com login.live.com github.com meta.wikimedia.org]
)
if current_user
# The user is logged in already, so don't show them the signup
# page, instead send them to the home page
if @referer
redirect_to @referer
else
redirect_to :controller => "site", :action => "index"
end
elsif params.key?(:auth_provider) && params.key?(:auth_uid)
self.current_user = User.new(:email => params[:email],
:email_confirmation => params[:email],
:display_name => params[:nickname],
:auth_provider => params[:auth_provider],
:auth_uid => params[:auth_uid])
flash.now[:notice] = render_to_string :partial => "auth_association"
else
check_signup_allowed
self.current_user = User.new
end
end
def create
self.current_user = User.new(user_params)
if check_signup_allowed(current_user.email)
session[:referer] = safe_referer(params[:referer]) if params[:referer]
Rails.logger.info "create: #{session[:referer]}"
current_user.status = "pending"
if current_user.auth_provider.present? && current_user.pass_crypt.empty?
# We are creating an account with external authentication and
# no password was specified so create a random one
current_user.pass_crypt = SecureRandom.base64(16)
current_user.pass_crypt_confirmation = current_user.pass_crypt
end
if current_user.invalid?
# Something is wrong with a new user, so rerender the form
render :action => "new"
elsif current_user.auth_provider.present?
# Verify external authenticator before moving on
session[:new_user] = current_user
redirect_to auth_url(current_user.auth_provider, current_user.auth_uid), :status => :temporary_redirect
else
# Save the user record
session[:new_user] = current_user
redirect_to :action => :terms
end
end
end
def login
append_content_security_policy_directives(
:form_action => %w[*]
)
session[:referer] = safe_referer(params[:referer]) if params[:referer]
if request.post?
session[:remember_me] ||= params[:remember_me]
password_authentication(params[:username], params[:password])
end
end
def logout
@title = t "users.logout.title"
if request.post?
if session[:token]
token = UserToken.find_by(:token => session[:token])
token&.destroy
session.delete(:token)
end
session.delete(:user)
session_expires_automatically
if params[:referer]
redirect_to safe_referer(params[:referer])
else
redirect_to :controller => "site", :action => "index"
end
end
end
def confirm
if request.post?
token = UserToken.find_by(:token => params[:confirm_string])
if token&.user&.active?
flash[:error] = t("users.confirm.already active")
redirect_to login_path
elsif !token || token.expired?
flash[:error] = t("users.confirm.unknown token")
redirect_to :action => "confirm"
else
user = token.user
user.status = "active"
user.email_valid = true
flash[:notice] = gravatar_status_message(user) if gravatar_enable(user)
user.save!
referer = safe_referer(token.referer) if token.referer
token.destroy
if session[:token]
token = UserToken.find_by(:token => session[:token])
session.delete(:token)
else
token = nil
end
if token.nil? || token.user != user
flash[:notice] = t("users.confirm.success")
redirect_to login_path(:referer => referer)
else
token.destroy
session[:user] = user.id
session[:fingerprint] = user.fingerprint
redirect_to referer || welcome_path
end
end
else
user = User.find_by(:display_name => params[:display_name])
redirect_to root_path if user.nil? || user.active?
end
end
def confirm_resend
user = User.find_by(:display_name => params[:display_name])
token = UserToken.find_by(:token => session[:token])
if user.nil? || token.nil? || token.user != user
flash[:error] = t "users.confirm_resend.failure", :name => params[:display_name]
else
UserMailer.signup_confirm(user, user.tokens.create).deliver_later
flash[:notice] = t "users.confirm_resend.success_html", :email => user.email, :sender => Settings.support_email
end
redirect_to login_path
end
def confirm_email
if request.post?
token = UserToken.find_by(:token => params[:confirm_string])
if token&.user&.new_email?
self.current_user = token.user
current_user.email = current_user.new_email
current_user.new_email = nil
current_user.email_valid = true
gravatar_enabled = gravatar_enable(current_user)
if current_user.save
flash[:notice] = if gravatar_enabled
"#{t('users.confirm_email.success')} #{gravatar_status_message(current_user)}"
else
t("users.confirm_email.success")
end
else
flash[:errors] = current_user.errors
end
current_user.tokens.delete_all
session[:user] = current_user.id
session[:fingerprint] = current_user.fingerprint
redirect_to :action => "account", :display_name => current_user.display_name
elsif token
flash[:error] = t "users.confirm_email.failure"
redirect_to :action => "account", :display_name => token.user.display_name
else
flash[:error] = t "users.confirm_email.unknown_token"
end
end
end
def show
@user = User.find_by(:display_name => params[:display_name])
if @user &&
(@user.visible? || current_user&.administrator?)
@title = @user.display_name
else
render_unknown_user params[:display_name]
end
end
##
# sets a user's status
def set_status
@user.status = params[:status]
@user.save
redirect_to user_path(:display_name => params[:display_name])
end
##
# delete a user, marking them as deleted and removing personal data
def destroy
@user.delete
redirect_to user_path(:display_name => params[:display_name])
end
##
# display a list of users matching specified criteria
def index
if request.post?
ids = params[:user].keys.collect(&:to_i)
User.where(:id => ids).update_all(:status => "confirmed") if params[:confirm]
User.where(:id => ids).update_all(:status => "deleted") if params[:hide]
redirect_to url_for(:status => params[:status], :ip => params[:ip], :page => params[:page])
else
@params = params.permit(:status, :ip)
conditions = {}
conditions[:status] = @params[:status] if @params[:status]
conditions[:creation_ip] = @params[:ip] if @params[:ip]
@user_pages, @users = paginate(:users,
:conditions => conditions,
:order => :id,
:per_page => 50)
end
end
##
# omniauth success callback
def auth_success
auth_info = request.env["omniauth.auth"]
provider = auth_info[:provider]
uid = auth_info[:uid]
name = auth_info[:info][:name]
email = auth_info[:info][:email]
case provider
when "openid"
email_verified = uid.match(%r{https://www.google.com/accounts/o8/id?(.*)}) ||
uid.match(%r{https://me.yahoo.com/(.*)})
when "google", "facebook"
email_verified = true
else
email_verified = false
end
if settings = session.delete(:new_user_settings)
current_user.auth_provider = provider
current_user.auth_uid = uid
update_user(current_user, settings)
flash.discard
session[:user_errors] = current_user.errors.as_json
redirect_to :action => "account", :display_name => current_user.display_name
elsif session[:new_user]
session[:new_user].auth_provider = provider
session[:new_user].auth_uid = uid
session[:new_user].status = "active" if email_verified && email == session[:new_user].email
redirect_to :action => "terms"
else
user = User.find_by(:auth_provider => provider, :auth_uid => uid)
if user.nil? && provider == "google"
openid_url = auth_info[:extra][:id_info]["openid_id"]
user = User.find_by(:auth_provider => "openid", :auth_uid => openid_url) if openid_url
user&.update(:auth_provider => provider, :auth_uid => uid)
end
if user
case user.status
when "pending"
unconfirmed_login(user)
when "active", "confirmed"
successful_login(user, request.env["omniauth.params"]["referer"])
when "suspended"
failed_login t("users.login.account is suspended", :webmaster => "mailto:#{Settings.support_email}").html_safe
else
failed_login t("users.login.auth failure")
end
else
redirect_to :action => "new", :nickname => name, :email => email,
:auth_provider => provider, :auth_uid => uid
end
end
end
##
# omniauth failure callback
def auth_failure
flash[:error] = t("users.auth_failure.#{params[:message]}")
redirect_to params[:origin] || login_url
end
private
##
# handle password authentication
def password_authentication(username, password)
if user = User.authenticate(:username => username, :password => password)
successful_login(user)
elsif user = User.authenticate(:username => username, :password => password, :pending => true)
unconfirmed_login(user)
elsif User.authenticate(:username => username, :password => password, :suspended => true)
failed_login t("users.login.account is suspended", :webmaster => "mailto:#{Settings.support_email}").html_safe, username
else
failed_login t("users.login.auth failure"), username
end
end
##
# return the URL to use for authentication
def auth_url(provider, uid, referer = nil)
params = { :provider => provider }
params[:openid_url] = openid_expand_url(uid) if provider == "openid"
if referer.nil?
params[:origin] = request.path
else
params[:origin] = "#{request.path}?referer=#{CGI.escape(referer)}"
params[:referer] = referer
end
auth_path(params)
end
##
# special case some common OpenID providers by applying heuristics to
# try and come up with the correct URL based on what the user entered
def openid_expand_url(openid_url)
if openid_url.nil?
nil
elsif openid_url.match(%r{(.*)gmail.com(/?)$}) || openid_url.match(%r{(.*)googlemail.com(/?)$})
# Special case gmail.com as it is potentially a popular OpenID
# provider and, unlike yahoo.com, where it works automatically, Google
# have hidden their OpenID endpoint somewhere obscure this making it
# somewhat less user friendly.
"https://www.google.com/accounts/o8/id"
else
openid_url
end
end
##
# process a successful login
def successful_login(user, referer = nil)
session[:user] = user.id
session[:fingerprint] = user.fingerprint
session_expires_after 28.days if session[:remember_me]
target = referer || session[:referer] || url_for(:controller => :site, :action => :index)
# The user is logged in, so decide where to send them:
#
# - If they haven't seen the contributor terms, send them there.
# - If they have a block on them, show them that.
# - If they were referred to the login, send them back there.
# - Otherwise, send them to the home page.
if !user.terms_seen
redirect_to :action => :terms, :referer => target
elsif user.blocked_on_view
redirect_to user.blocked_on_view, :referer => target
else
redirect_to target
end
session.delete(:remember_me)
session.delete(:referer)
end
##
# process a failed login
def failed_login(message, username = nil)
flash[:error] = message
redirect_to :action => "login", :referer => session[:referer],
:username => username, :remember_me => session[:remember_me]
session.delete(:remember_me)
session.delete(:referer)
end
##
#
def unconfirmed_login(user)
session[:token] = user.tokens.create.token
redirect_to :action => "confirm", :display_name => user.display_name
session.delete(:remember_me)
session.delete(:referer)
end
##
# update a user's details
def update_user(user, params)
user.display_name = params[:user][:display_name]
user.new_email = params[:user][:new_email]
unless params[:user][:pass_crypt].empty? && params[:user][:pass_crypt_confirmation].empty?
user.pass_crypt = params[:user][:pass_crypt]
user.pass_crypt_confirmation = params[:user][:pass_crypt_confirmation]
end
if params[:user][:description] != user.description
user.description = params[:user][:description]
user.description_format = "markdown"
end
user.languages = params[:user][:languages].split(",")
case params[:avatar_action]
when "new"
user.avatar.attach(params[:user][:avatar])
user.image_use_gravatar = false
when "delete"
user.avatar.purge_later
user.image_use_gravatar = false
when "gravatar"
user.avatar.purge_later
user.image_use_gravatar = true
end
user.home_lat = params[:user][:home_lat]
user.home_lon = params[:user][:home_lon]
user.preferred_editor = if params[:user][:preferred_editor] == "default"
nil
else
params[:user][:preferred_editor]
end
if params[:user][:auth_provider].nil? || params[:user][:auth_provider].blank?
user.auth_provider = nil
user.auth_uid = nil
end
if user.save
session[:fingerprint] = user.fingerprint
set_locale(:reset => true)
if user.new_email.blank? || user.new_email == user.email
flash[:notice] = t "users.account.flash update success"
else
user.email = user.new_email
if user.valid?
flash[:notice] = t "users.account.flash update success confirm needed"
begin
UserMailer.email_confirm(user, user.tokens.create).deliver_later
rescue StandardError
# Ignore errors sending email
end
else
current_user.errors.add(:new_email, current_user.errors[:email])
current_user.errors.add(:email, [])
end
user.restore_email!
end
end
end
##
# require that the user in the URL is the logged in user
def require_self
head :forbidden if params[:display_name] != current_user.display_name
end
##
# ensure that there is a "user" instance variable
def lookup_user_by_name
@user = User.find_by(:display_name => params[:display_name])
rescue ActiveRecord::RecordNotFound
redirect_to :action => "view", :display_name => params[:display_name] unless @user
end
##
#
def disable_terms_redirect
# this is necessary otherwise going to the user terms page, when
# having not agreed already would cause an infinite redirect loop.
# it's .now so that this doesn't propagate to other pages.
flash.now[:skip_terms] = true
end
##
# return permitted user parameters
def user_params
params.require(:user).permit(:email, :email_confirmation, :display_name,
:auth_provider, :auth_uid,
:pass_crypt, :pass_crypt_confirmation)
end
##
# check signup acls
def check_signup_allowed(email = nil)
domain = if email.nil?
nil
else
email.split("@").last
end
mx_servers = if domain.nil?
nil
else
domain_mx_servers(domain)
end
if blocked = Acl.no_account_creation(request.remote_ip, :domain => domain, :mx => mx_servers)
logger.info "Blocked signup from #{request.remote_ip} for #{email}"
render :action => "blocked"
end
!blocked
end
##
# get list of MX servers for a domains
def domain_mx_servers(domain)
Resolv::DNS.open do |dns|
dns.getresources(domain, Resolv::DNS::Resource::IN::MX).collect(&:exchange).collect(&:to_s)
end
end
##
# check if this user has a gravatar and set the user pref is true
def gravatar_enable(user)
# code from example https://en.gravatar.com/site/implement/images/ruby/
return false if user.avatar.attached?
hash = Digest::MD5.hexdigest(user.email.downcase)
url = "https://www.gravatar.com/avatar/#{hash}?d=404" # without d=404 we will always get an image back
response = OSM.http_client.get(URI.parse(url))
oldsetting = user.image_use_gravatar
user.image_use_gravatar = response.success?
oldsetting != user.image_use_gravatar
end
##
# display a message about th current status of the gravatar setting
def gravatar_status_message(user)
if user.image_use_gravatar
t "users.account.gravatar.enabled"
else
t "users.account.gravatar.disabled"
end
end
end