discourse/app/models/user.rb

707 lines
20 KiB
Ruby

require_dependency 'email'
require_dependency 'email_token'
require_dependency 'trust_level'
require_dependency 'pbkdf2'
require_dependency 'summarize'
require_dependency 'discourse'
require_dependency 'post_destroyer'
require_dependency 'user_name_suggester'
require_dependency 'roleable'
require_dependency 'pretty_text'
require_dependency 'url_helper'
class User < ActiveRecord::Base
include Roleable
include UrlHelper
has_many :posts
has_many :notifications, dependent: :destroy
has_many :topic_users, dependent: :destroy
has_many :topics
has_many :user_open_ids, dependent: :destroy
has_many :user_actions, dependent: :destroy
has_many :post_actions, dependent: :destroy
has_many :email_logs, dependent: :destroy
has_many :post_timings
has_many :topic_allowed_users, dependent: :destroy
has_many :topics_allowed, through: :topic_allowed_users, source: :topic
has_many :email_tokens, dependent: :destroy
has_many :views
has_many :user_visits, dependent: :destroy
has_many :invites, dependent: :destroy
has_many :topic_links, dependent: :destroy
has_many :uploads
has_one :facebook_user_info, dependent: :destroy
has_one :twitter_user_info, dependent: :destroy
has_one :github_user_info, dependent: :destroy
has_one :cas_user_info, dependent: :destroy
has_one :oauth2_user_info, dependent: :destroy
has_one :user_stat, dependent: :destroy
belongs_to :approved_by, class_name: 'User'
has_many :group_users, dependent: :destroy
has_many :groups, through: :group_users
has_many :secure_categories, through: :groups, source: :categories
has_one :user_search_data, dependent: :destroy
has_one :api_key, dependent: :destroy
belongs_to :uploaded_avatar, class_name: 'Upload', dependent: :destroy
delegate :last_sent_email_address, :to => :email_logs
validates_presence_of :username
validate :username_validator
validates :email, presence: true, uniqueness: true
validates :email, email: true, if: :email_changed?
validate :password_validator
validates :ip_address, allowed_ip_address: {on: :create, message: :signup_not_allowed}
before_save :cook
before_save :update_username_lower
before_save :ensure_password_is_hashed
after_initialize :add_trust_level
after_initialize :set_default_email_digest
after_initialize :set_default_external_links_in_new_tab
after_save :update_tracked_topics
after_create :create_email_token
after_create :create_user_stat
before_destroy do
# These tables don't have primary keys, so destroying them with activerecord is tricky:
PostTiming.delete_all(user_id: self.id)
View.delete_all(user_id: self.id)
end
# Whether we need to be sending a system message after creation
attr_accessor :send_welcome_message
# This is just used to pass some information into the serializer
attr_accessor :notification_channel_position
scope :blocked, -> { where(blocked: true) } # no index
scope :not_blocked, -> { where(blocked: false) } # no index
scope :suspended, -> { where('suspended_till IS NOT NULL AND suspended_till > ?', Time.zone.now) } # no index
scope :not_suspended, -> { where('suspended_till IS NULL') }
# excluding fake users like the community user
scope :real, -> { where('id > 0') }
module NewTopicDuration
ALWAYS = -1
LAST_VISIT = -2
end
def self.username_length
3..15
end
def custom_groups
groups.where(automatic: false)
end
def self.username_available?(username)
lower = username.downcase
User.where(username_lower: lower).blank?
end
EMAIL = %r{([^@]+)@([^\.]+)}
def self.new_from_params(params)
user = User.new
user.name = params[:name]
user.email = params[:email]
user.password = params[:password]
user.username = params[:username]
user
end
def self.suggest_name(email)
return "" unless email
name = email.split(/[@\+]/)[0]
name = name.gsub(".", " ")
name.titleize
end
# Find a user by temporary key, nil if not found or key is invalid
def self.find_by_temporary_key(key)
user_id = $redis.get("temporary_key:#{key}")
if user_id.present?
where(id: user_id.to_i).first
end
end
def self.find_by_username_or_email(username_or_email)
if username_or_email.include?('@')
find_by_email(username_or_email)
else
find_by_username(username_or_email)
end
end
def self.find_by_email(email)
where(email: Email.downcase(email)).first
end
def self.find_by_username(username)
where(username_lower: username.downcase).first
end
def enqueue_welcome_message(message_type)
return unless SiteSetting.send_welcome_message?
Jobs.enqueue(:send_system_message, user_id: id, message_type: message_type)
end
def change_username(new_username)
current_username = self.username
self.username = new_username
if current_username.downcase != new_username.downcase && valid?
DiscourseHub.nickname_operation { DiscourseHub.change_nickname(current_username, new_username) }
end
save
end
# Use a temporary key to find this user, store it in redis with an expiry
def temporary_key
key = SecureRandom.hex(32)
$redis.setex "temporary_key:#{key}", 1.week, id.to_s
key
end
def created_topic_count
topics.count
end
# tricky, we need our bus to be subscribed from the right spot
def sync_notification_channel_position
@unread_notifications_by_type = nil
self.notification_channel_position = MessageBus.last_id("/notification/#{id}")
end
def invited_by
used_invite = invites.where("redeemed_at is not null").includes(:invited_by).first
used_invite.try(:invited_by)
end
# Approve this user
def approve(approved_by, send_mail=true)
self.approved = true
if Fixnum === approved_by
self.approved_by_id = approved_by
else
self.approved_by = approved_by
end
self.approved_at = Time.now
send_approval_email if save and send_mail
end
def self.email_hash(email)
Digest::MD5.hexdigest(email.strip.downcase)
end
def email_hash
User.email_hash(email)
end
def unread_notifications_by_type
@unread_notifications_by_type ||= notifications.where("id > ? and read = false", seen_notification_id).group(:notification_type).count
end
def reload
@unread_notifications_by_type = nil
@unread_pms = nil
super
end
def unread_private_messages
@unread_pms ||= notifications.where("read = false AND notification_type = ?", Notification.types[:private_message]).count
end
def unread_notifications
unread_notifications_by_type.except(Notification.types[:private_message]).values.sum
end
def saw_notification_id(notification_id)
User.where(["id = ? and seen_notification_id < ?", id, notification_id])
.update_all ["seen_notification_id = ?", notification_id]
end
def publish_notifications_state
MessageBus.publish("/notification/#{id}",
{unread_notifications: unread_notifications,
unread_private_messages: unread_private_messages},
user_ids: [id] # only publish the notification to this user
)
end
# A selection of people to autocomplete on @mention
def self.mentionable_usernames
User.select(:username).order('last_posted_at desc').limit(20)
end
def password=(password)
# special case for passwordless accounts
@raw_password = password unless password.blank?
end
def password
'' # so that validator doesn't complain that a password attribute doesn't exist
end
# Indicate that this is NOT a passwordless account for the purposes of validation
def password_required!
@password_required = true
end
def password_required?
!!@password_required
end
def has_password?
password_hash.present?
end
def password_validator
PasswordValidator.new(attributes: :password).validate_each(self, :password, @raw_password)
end
def confirm_password?(password)
return false unless password_hash && salt
self.password_hash == hash_password(password, salt)
end
def new_user?
created_at >= 24.hours.ago || trust_level == TrustLevel.levels[:newuser]
end
def seen_before?
last_seen_at.present?
end
def visit_record_for(date)
user_visits.where(visited_at: date).first
end
def update_visit_record!(date)
create_visit_record!(date) unless visit_record_for(date)
end
def update_posts_read!(num_posts, now=Time.zone.now)
if user_visit = visit_record_for(now.to_date)
user_visit.posts_read += num_posts
user_visit.save
user_visit
else
create_visit_record!(now.to_date, num_posts)
end
end
def update_ip_address!(new_ip_address)
unless ip_address == new_ip_address || new_ip_address.blank?
update_column(:ip_address, new_ip_address)
end
end
def update_last_seen!(now=Time.zone.now)
now_date = now.to_date
# Only update last seen once every minute
redis_key = "user:#{id}:#{now_date}"
return unless $redis.setnx(redis_key, "1")
$redis.expire(redis_key, SiteSetting.active_user_rate_limit_secs)
update_previous_visit(now)
# using update_column to avoid the AR transaction
update_column(:last_seen_at, now)
end
def self.gravatar_template(email)
email_hash = self.email_hash(email)
"//www.gravatar.com/avatar/#{email_hash}.png?s={size}&r=pg&d=identicon"
end
# Don't pass this up to the client - it's meant for server side use
# This is used in
# - self oneboxes in open graph data
# - emails
def small_avatar_url
template = avatar_template
schemaless template.gsub("{size}", "45")
end
# the avatars might take a while to generate
# so return the url of the original image in the meantime
def uploaded_avatar_path
return unless SiteSetting.allow_uploaded_avatars? && use_uploaded_avatar
avatar_template = uploaded_avatar_template.present? ? uploaded_avatar_template : uploaded_avatar.try(:url)
schemaless absolute avatar_template
end
def avatar_template
uploaded_avatar_path || User.gravatar_template(id != -1 ? email : "team@discourse.org")
end
# The following count methods are somewhat slow - definitely don't use them in a loop.
# They might need to be denormalized
def like_count
UserAction.where(user_id: id, action_type: UserAction::WAS_LIKED).count
end
def post_count
posts.count
end
def flags_given_count
PostAction.where(user_id: id, post_action_type_id: PostActionType.flag_types.values).count
end
def flags_received_count
posts.includes(:post_actions).where('post_actions.post_action_type_id' => PostActionType.flag_types.values).count
end
def private_topics_count
topics_allowed.where(archetype: Archetype.private_message).count
end
def posted_too_much_in_topic?(topic_id)
# Does not apply to staff or your own topics
return false if staff? || Topic.where(id: topic_id, user_id: id).exists?
trust_level == TrustLevel.levels[:newuser] && (Post.where(topic_id: topic_id, user_id: id).count >= SiteSetting.newuser_max_replies_per_topic)
end
def bio_excerpt
excerpt = PrettyText.excerpt(bio_cooked, 350)
return excerpt if excerpt.blank? || has_trust_level?(:basic)
PrettyText.strip_links(excerpt)
end
def bio_processed
return bio_cooked if bio_cooked.blank? || has_trust_level?(:basic)
PrettyText.strip_links(bio_cooked)
end
def delete_all_posts!(guardian)
raise Discourse::InvalidAccess unless guardian.can_delete_all_posts? self
posts.order("post_number desc").each do |p|
PostDestroyer.new(guardian.user, p).destroy
end
end
def suspended?
suspended_till && suspended_till > DateTime.now
end
def suspend_record
UserHistory.for(self, :suspend_user).order('id DESC').first
end
def suspend_reason
suspend_record.try(:details) if suspended?
end
# Use this helper to determine if the user has a particular trust level.
# Takes into account admin, etc.
def has_trust_level?(level)
raise "Invalid trust level #{level}" unless TrustLevel.valid_level?(level)
admin? || moderator? || TrustLevel.compare(trust_level, level)
end
# a touch faster than automatic
def admin?
admin
end
def change_trust_level!(level)
raise "Invalid trust level #{level}" unless TrustLevel.valid_level?(level)
self.trust_level = TrustLevel.levels[level]
self.bio_raw_will_change! # So it can get re-cooked based on the new trust level
transaction do
self.save!
Group.user_trust_level_change!(self.id, self.trust_level)
end
end
def guardian
Guardian.new(self)
end
def username_format_validator
UsernameValidator.perform_validation(self, 'username')
end
def email_confirmed?
email_tokens.where(email: email, confirmed: true).present? || email_tokens.empty?
end
def activate
email_token = self.email_tokens.active.first
if email_token
EmailToken.confirm(email_token.token)
else
self.active = true
save
end
end
def deactivate
self.active = false
save
end
def treat_as_new_topic_start_date
duration = new_topic_duration_minutes || SiteSetting.new_topic_duration_minutes
case duration
when User::NewTopicDuration::ALWAYS
created_at
when User::NewTopicDuration::LAST_VISIT
previous_visit_at || created_at
else
duration.minutes.ago
end
end
def readable_name
return "#{name} (#{username})" if name.present? && name != username
username
end
def bio_summary
return nil unless bio_cooked.present?
Summarize.new(bio_cooked).summary
end
def self.count_by_signup_date(sinceDaysAgo=30)
where('created_at > ?', sinceDaysAgo.days.ago).group('date(created_at)').order('date(created_at)').count
end
def secure_category_ids
cats = self.admin? ? Category.where(read_restricted: true) : secure_categories.references(:categories)
cats.pluck('categories.id').sort
end
def topic_create_allowed_category_ids
Category.topic_create_allowed(self.id).select(:id)
end
# Flag all posts from a user as spam
def flag_linked_posts_as_spam
admin = Discourse.system_user
topic_links.includes(:post).each do |tl|
begin
PostAction.act(admin, tl.post, PostActionType.types[:spam], message: I18n.t('flag_reason.spam_hosts'))
rescue PostAction::AlreadyActed
# If the user has already acted, just ignore it
end
end
end
def has_uploaded_avatar
uploaded_avatar.present?
end
def added_a_day_ago?
created_at > 1.day.ago
end
def upload_avatar(avatar)
self.uploaded_avatar_template = nil
self.uploaded_avatar = avatar
self.use_uploaded_avatar = true
self.save!
end
def generate_api_key(created_by)
if api_key.present?
api_key.regenerate!(created_by)
api_key
else
ApiKey.create(user: self, key: SecureRandom.hex(32), created_by: created_by)
end
end
def revoke_api_key
ApiKey.where(user_id: self.id).delete_all
end
def find_email
last_sent_email_address || email
end
def leader_requirements
@lq ||= LeaderRequirements.new(self)
end
protected
def cook
if bio_raw.present?
self.bio_cooked = PrettyText.cook(bio_raw, omit_nofollow: self.has_trust_level?(:leader)) if bio_raw_changed?
else
self.bio_cooked = nil
end
end
def update_tracked_topics
return unless auto_track_topics_after_msecs_changed?
TrackedTopicsUpdater.new(id, auto_track_topics_after_msecs).call
end
def create_user_stat
stat = UserStat.new
stat.user_id = id
stat.save!
end
def create_email_token
email_tokens.create(email: email)
end
def create_visit_record!(date, posts_read=0)
user_stat.update_column(:days_visited, user_stat.days_visited + 1)
user_visits.create!(visited_at: date, posts_read: posts_read)
end
def ensure_password_is_hashed
if @raw_password
self.salt = SecureRandom.hex(16)
self.password_hash = hash_password(@raw_password, salt)
end
end
def hash_password(password, salt)
Pbkdf2.hash_password(password, salt, Rails.configuration.pbkdf2_iterations, Rails.configuration.pbkdf2_algorithm)
end
def add_trust_level
# there is a possibility we did not load trust level column, skip it
return unless has_attribute? :trust_level
self.trust_level ||= SiteSetting.default_trust_level
end
def update_username_lower
self.username_lower = username.downcase
end
def username_validator
username_format_validator || begin
lower = username.downcase
existing = User.where(username_lower: lower).first
if username_changed? && existing && existing.id != self.id
errors.add(:username, I18n.t(:'user.username.unique'))
end
end
end
def send_approval_email
Jobs.enqueue(:user_email,
type: :signup_after_approval,
user_id: id,
email_token: email_tokens.first.token
)
end
def set_default_email_digest
if has_attribute?(:email_digests) && self.email_digests.nil?
if SiteSetting.default_digest_email_frequency.blank?
self.email_digests = false
else
self.email_digests = true
self.digest_after_days ||= SiteSetting.default_digest_email_frequency.to_i if has_attribute?(:digest_after_days)
end
end
end
def set_default_external_links_in_new_tab
if has_attribute?(:external_links_in_new_tab) && self.external_links_in_new_tab.nil?
self.external_links_in_new_tab = !SiteSetting.default_external_links_in_new_tab.blank?
end
end
private
def previous_visit_at_update_required?(timestamp)
seen_before? && (last_seen_at < (timestamp - SiteSetting.previous_visit_timeout_hours.hours))
end
def update_previous_visit(timestamp)
update_visit_record!(timestamp.to_date)
if previous_visit_at_update_required?(timestamp)
update_column(:previous_visit_at, last_seen_at)
end
end
end
# == Schema Information
#
# Table name: users
#
# id :integer not null, primary key
# username :string(20) not null
# created_at :datetime not null
# updated_at :datetime not null
# name :string(255)
# bio_raw :text
# seen_notification_id :integer default(0), not null
# last_posted_at :datetime
# email :string(256) not null
# password_hash :string(64)
# salt :string(32)
# active :boolean
# username_lower :string(20) not null
# auth_token :string(32)
# last_seen_at :datetime
# website :string(255)
# admin :boolean default(FALSE), not null
# last_emailed_at :datetime
# email_digests :boolean not null
# trust_level :integer not null
# bio_cooked :text
# email_private_messages :boolean default(TRUE)
# email_direct :boolean default(TRUE), not null
# approved :boolean default(FALSE), not null
# approved_by_id :integer
# approved_at :datetime
# digest_after_days :integer
# previous_visit_at :datetime
# suspended_at :datetime
# suspended_till :datetime
# date_of_birth :date
# auto_track_topics_after_msecs :integer
# views :integer default(0), not null
# flag_level :integer default(0), not null
# ip_address :inet
# new_topic_duration_minutes :integer
# external_links_in_new_tab :boolean not null
# enable_quoting :boolean default(TRUE), not null
# moderator :boolean default(FALSE)
# blocked :boolean default(FALSE)
# dynamic_favicon :boolean default(FALSE), not null
# title :string(255)
# use_uploaded_avatar :boolean default(FALSE)
# uploaded_avatar_template :string(255)
# uploaded_avatar_id :integer
# email_always :boolean default(FALSE), not null
# mailing_list_mode :boolean default(FALSE), not null
#
# Indexes
#
# index_users_on_auth_token (auth_token)
# index_users_on_email (email) UNIQUE
# index_users_on_last_posted_at (last_posted_at)
# index_users_on_username (username) UNIQUE
# index_users_on_username_lower (username_lower) UNIQUE
#