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# Copyright (c) 2010, Diaspora Inc. This file is
# licensed under the Affero General Public License version 3 or later. See
# the COPYRIGHT file.
require File.join(Rails.root, 'lib/diaspora/user')
require File.join(Rails.root, 'lib/salmon/salmon')
class InvitedUserValidator < ActiveModel::Validator
def validate(document)
unless document.invitation_token
unless document.person
document.errors[:base] << "Unless you are being invited, you must have a person"
end
end
end
end
class User
include MongoMapper::Document
include Diaspora::UserModules
include Encryptor::Private
plugin MongoMapper::Devise
QUEUE = MessageHandler.new
devise :invitable, :database_authenticatable, :registerable,
:recoverable, :rememberable, :trackable, :validatable
key :username
key :serialized_private_key, String
key :invites, Integer, :default => 5
key :invitation_token, String
key :invitation_sent_at, DateTime
key :inviter_ids, Array, :typecast => 'ObjectId'
key :friend_ids, Array, :typecast => 'ObjectId'
key :pending_request_ids, Array, :typecast => 'ObjectId'
key :visible_post_ids, Array, :typecast => 'ObjectId'
key :visible_person_ids, Array, :typecast => 'ObjectId'
key :invite_messages, Hash
key :getting_started, Boolean, :default => true
key :language, String
before_validation :strip_and_downcase_username, :on => :create
before_validation :set_current_language, :on => :create
validates_presence_of :username
validates_uniqueness_of :username, :case_sensitive => false
validates_format_of :username, :with => /\A[A-Za-z0-9_.]+\z/
validates_with InvitedUserValidator
validates_inclusion_of :language, :in => AVAILABLE_LANGUAGE_CODES
one :person, :class_name => 'Person', :foreign_key => :owner_id
validate :person_is_valid
def person_is_valid
if person.present? && !person.valid?
person.errors.full_messages.each {|m| errors.add(:base, m)}
end
end
many :inviters, :in => :inviter_ids, :class_name => 'User'
many :friends, :in => :friend_ids, :class_name => 'Contact'
many :visible_people, :in => :visible_person_ids, :class_name => 'Person' # One of these needs to go
many :pending_requests, :in => :pending_request_ids, :class_name => 'Request'
many :raw_visible_posts, :in => :visible_post_ids, :class_name => 'Post'
many :aspects, :class_name => 'Aspect', :dependent => :destroy
many :services, :class_name => "Service"
#after_create :seed_aspects
before_destroy :unfriend_everyone, :remove_person
def strip_and_downcase_username
if username.present?
username.strip!
username.downcase!
end
end
def set_current_language
self.language = I18n.locale.to_s if self.language.blank?
end
def self.find_for_authentication(conditions={})
if conditions[:username] =~ /^([\w\.%\+\-]+)@([\w\-]+\.)+([\w]{2,})$/i # email regex
conditions[:email] = conditions.delete(:username)
end
super
end
######## Making things work ########
key :email, String
def method_missing(method, *args)
self.person.send(method, *args)
end
######### Aspects ######################
def aspect(opts = {})
aspect = Aspect.new(opts)
aspect.user = self
aspect.save
aspect
end
def drop_aspect(aspect)
if aspect.people.size == 0
aspect.destroy
else
raise "Aspect not empty"
end
end
def move_friend(opts = {})
return true if opts[:to] == opts[:from]
if opts[:friend_id] && opts[:to] && opts[:from]
from_aspect = self.aspects.first(:_id => opts[:from])
posts_to_move = from_aspect.posts.find_all_by_person_id(opts[:friend_id])
if add_person_to_aspect(opts[:friend_id], opts[:to], :posts => posts_to_move)
delete_person_from_aspect(opts[:friend_id], opts[:from], :posts => posts_to_move)
return true
end
end
false
end
def add_person_to_aspect(person_id, aspect_id, opts = {})
contact = contact_for(Person.find(person_id))
raise "Can not add person to an aspect you do not own" unless aspect = self.aspects.find_by_id(aspect_id)
raise "Can not add person you are not friends with" unless contact
raise 'Can not add person who is already in the aspect' if aspect.people.include?(contact)
contact.aspects << aspect
opts[:posts] ||= self.raw_visible_posts.all(:person_id => person_id)
aspect.posts += opts[:posts]
contact.save
aspect.save
end
def delete_person_from_aspect(person_id, aspect_id, opts = {})
aspect = Aspect.find(aspect_id)
raise "Can not delete a person from an aspect you do not own" unless aspect.user == self
contact = contact_for Person.find(person_id)
contact.aspect_ids.delete aspect.id
opts[:posts] ||= aspect.posts.all(:person_id => person_id)
aspect.posts -= opts[:posts]
contact.save
aspect.save
end
######## Posting ########
def post(class_name, options = {})
if class_name == :photo && !options[:album_id].to_s.empty?
aspect_ids = aspects_with_post(options[:album_id])
aspect_ids.map! { |aspect| aspect.id }
else
aspect_ids = options.delete(:to)
end
aspect_ids = validate_aspect_permissions(aspect_ids)
post = build_post(class_name, options)
post.socket_to_uid(id, :aspect_ids => aspect_ids) if post.respond_to?(:socket_to_uid)
push_to_aspects(post, aspect_ids)
if options[:public] == true
self.services.each do |service|
self.send("post_to_#{service.provider}".to_sym, service, post.message)
end
end
post
end
def post_to_facebook(service, message)
Rails.logger.info("Sending a message: #{message} to Facebook")
EventMachine::HttpRequest.new("https://graph.facebook.com/me/feed?message=#{message}&access_token=#{service.access_token}").post
end
def post_to_twitter(service, message)
oauth = Twitter::OAuth.new(SERVICES['twitter']['consumer_token'], SERVICES['twitter']['consumer_secret'])
oauth.authorize_from_access(service.access_token, service.access_secret)
client = Twitter::Base.new(oauth)
client.update(message)
end
def update_post(post, post_hash = {})
if self.owns? post
post.update_attributes(post_hash)
end
end
def validate_aspect_permissions(aspect_ids)
if aspect_ids == "all"
return aspect_ids
end
aspect_ids = [aspect_ids.to_s] unless aspect_ids.is_a? Array
if aspect_ids.nil? || aspect_ids.empty?
raise ArgumentError.new("You must post to someone.")
end
aspect_ids.each do |aspect_id|
unless self.aspects.find(aspect_id)
raise ArgumentError.new("Cannot post to an aspect you do not own.")
end
end
aspect_ids
end
def build_post(class_name, options = {})
options[:person] = self.person
model_class = class_name.to_s.camelize.constantize
post = model_class.instantiate(options)
post.save
self.raw_visible_posts << post
self.save
post
end
def push_to_aspects(post, aspect_ids)
if aspect_ids == :all || aspect_ids == "all"
aspects = self.aspects
elsif aspect_ids.is_a?(Array) && aspect_ids.first.class == Aspect
aspects = aspect_ids
else
aspects = self.aspects.find_all_by_id(aspect_ids)
end
#send to the aspects
target_contacts = []
aspects.each { |aspect|
aspect.posts << post
aspect.save
target_contacts = target_contacts | aspect.people
}
push_to_hub(post) if post.respond_to?(:public) && post.public
push_to_people(post, self.person_objects(target_contacts))
end
def push_to_people(post, people)
salmon = salmon(post)
people.each { |person|
xml = salmon.xml_for person
push_to_person(person, xml)
}
end
def push_to_person(person, xml)
Rails.logger.debug("#{self.real_name} is adding xml to message queue to #{person.receive_url}")
QUEUE.add_post_request(person.receive_url, xml)
QUEUE.process
end
def push_to_hub(post)
Rails.logger.debug("Pushing update to pubsub server #{APP_CONFIG[:pubsub_server]} with url #{self.public_url}")
QUEUE.add_hub_notification(APP_CONFIG[:pubsub_server], self.public_url)
end
def salmon(post)
created_salmon = Salmon::SalmonSlap.create(self, post.to_diaspora_xml)
created_salmon
end
######## Commenting ########
def comment(text, options = {})
comment = build_comment(text, options)
if comment
dispatch_comment comment
comment.socket_to_uid id
end
comment
end
def build_comment(text, options = {})
raise "must comment on something!" unless options[:on]
comment = Comment.new(:person_id => self.person.id, :diaspora_handle => self.person.diaspora_handle, :text => text, :post => options[:on])
comment.creator_signature = comment.sign_with_key(encryption_key)
if comment.save
comment
else
Rails.logger.warn "this failed to save: #{comment.inspect}"
false
end
end
def dispatch_comment(comment)
if owns? comment.post
comment.post_creator_signature = comment.sign_with_key(encryption_key)
comment.save
aspects = aspects_with_post(comment.post_id)
push_to_people(comment, people_in_aspects(aspects))
elsif owns? comment
comment.save
push_to_people comment, [comment.post.person]
end
end
######### Posts and Such ###############
def retract(post)
aspect_ids = aspects_with_post(post.id)
aspect_ids.map! { |aspect| aspect.id.to_s }
post.unsocket_from_uid(self.id, :aspect_ids => aspect_ids) if post.respond_to? :unsocket_from_uid
retraction = Retraction.for(post)
push_to_people retraction, people_in_aspects(aspects_with_post(post.id))
retraction
end
########### Profile ######################
def update_profile(params)
if self.person.profile.update_attributes(params)
push_to_aspects profile, :all
true
else
false
end
end
###Invitations############
def invite_user(opts = {})
if self.invites > 0
aspect_id = opts.delete(:aspect_id)
if aspect_id == nil
raise "Must invite into aspect"
end
aspect_object = self.aspects.find_by_id(aspect_id)
if !(aspect_object)
raise "Must invite to your aspect"
else
u = User.find_by_email(opts[:email])
if u.nil?
elsif friends.include?(u.person)
raise "You are already friends with this person"
elsif not u.invited?
self.send_friend_request_to(u.person, aspect_object)
return
elsif u.invited? && u.inviters.include?(self)
raise "You already invited this person"
end
end
request = Request.instantiate(
:to => "http://local_request.example.com",
:from => self.person,
:into => aspect_id
)
invited_user = User.invite!(:email => opts[:email], :request => request, :inviter => self, :invite_message => opts[:invite_message])
self.invites = self.invites - 1
self.pending_requests << request
request.save
self.save!
invited_user
else
raise "You have no invites"
end
end
def self.invite!(attributes={})
inviter = attributes.delete(:inviter)
request = attributes.delete(:request)
invitable = find_or_initialize_with_error_by(:email, attributes.delete(:email))
invitable.attributes = attributes
if invitable.inviters.include?(inviter)
raise "You already invited this person"
else
invitable.pending_requests << request
invitable.inviters << inviter
message = attributes.delete(:invite_message)
if message
invitable.invite_messages[inviter.id.to_s] = message
end
end
if invitable.new_record?
invitable.errors.clear if invitable.email.try(:match, Devise.email_regexp)
else
invitable.errors.add(:email, :taken) unless invitable.invited?
end
invitable.invite! if invitable.errors.empty?
invitable
end
def accept_invitation!(opts = {})
if self.invited?
self.username = opts[:username]
self.password = opts[:password]
self.password_confirmation = opts[:password_confirmation]
opts[:person][:diaspora_handle] = "#{opts[:username]}@#{APP_CONFIG[:terse_pod_url]}"
opts[:person][:url] = APP_CONFIG[:pod_url]
opts[:serialized_private_key] = User.generate_key
self.serialized_private_key = opts[:serialized_private_key]
opts[:person][:serialized_public_key] = opts[:serialized_private_key].public_key
person_hash = opts.delete(:person)
self.person = Person.create(person_hash)
self.person.save
self.invitation_token = nil
self.save
self
end
end
###Helpers############
def self.build(opts = {})
opts[:person] ||= {}
opts[:person][:profile] ||= Profile.new
opts[:person][:diaspora_handle] = "#{opts[:username]}@#{APP_CONFIG[:terse_pod_url]}"
opts[:person][:url] = APP_CONFIG[:pod_url]
opts[:serialized_private_key] = generate_key
opts[:person][:serialized_public_key] = opts[:serialized_private_key].public_key
u = User.new(opts)
u
end
def seed_aspects
aspect(:name => "Family")
aspect(:name => "Work")
end
def diaspora_handle
person.diaspora_handle
end
def as_json(opts={})
{
:user => {
:posts => self.raw_visible_posts.each { |post| post.as_json },
:friends => self.friends.each { |friend| friend.as_json },
:aspects => self.aspects.each { |aspect| aspect.as_json },
:pending_requests => self.pending_requests.each { |request| request.as_json },
}
}
end
def self.generate_key
OpenSSL::PKey::RSA::generate 4096
end
def encryption_key
OpenSSL::PKey::RSA.new(serialized_private_key)
end
protected
def remove_person
self.person.destroy
end
def unfriend_everyone
friends.each { |contact|
if contact.person.owner?
contact.person.owner.unfriended_by self.person
else
self.unfriend contact
end
}
end
end
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