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# frozen_string_literal: true
module Omniauthable
extend ActiveSupport::Concern
TEMP_EMAIL_PREFIX = 'change@me'
TEMP_EMAIL_REGEX = /\A#{TEMP_EMAIL_PREFIX}/.freeze
included do
devise :omniauthable
def omniauth_providers
Devise.omniauth_configs.keys
end
def email_present?
email && email !~ TEMP_EMAIL_REGEX
end
end
class_methods do
def find_for_oauth(auth, signed_in_resource = nil)
# EOLE-SSO Patch
auth.uid = (auth.uid[0][:uid] || auth.uid[0][:user]) if auth.uid.is_a? Hashie::Array
identity = Identity.find_for_oauth(auth)
# If a signed_in_resource is provided it always overrides the existing user
# to prevent the identity being locked with accidentally created accounts.
# Note that this may leave zombie accounts (with no associated identity) which
# can be cleaned up at a later date.
user = signed_in_resource || identity.user
user ||= create_for_oauth(auth)
if identity.user.nil?
identity.user = user
identity.save!
end
user
end
def create_for_oauth(auth)
# Check if the user exists with provided email. If no email was provided,
# we assign a temporary email and ask the user to verify it on
# the next step via Auth::SetupController.show
strategy = Devise.omniauth_configs[auth.provider.to_sym].strategy
assume_verified = strategy&.security&.assume_email_is_verified
email_is_verified = auth.info.verified || auth.info.verified_email || auth.info.email_verified || assume_verified
email = auth.info.verified_email || auth.info.email
user = User.find_by(email: email) if email_is_verified
return user unless user.nil?
user = User.new(user_params_from_auth(email, auth))
begin
user.account.avatar_remote_url = auth.info.image if /\A#{URI::DEFAULT_PARSER.make_regexp(%w(http https))}\z/.match?(auth.info.image)
rescue Mastodon::UnexpectedResponseError
user.account.avatar_remote_url = nil
end
user.skip_confirmation! if email_is_verified
user.save!
user
end
private
def user_params_from_auth(email, auth)
{
email: email || "#{TEMP_EMAIL_PREFIX}-#{auth.uid}-#{auth.provider}.com",
agreement: true,
external: true,
account_attributes: {
username: ensure_unique_username(ensure_valid_username(auth.uid)),
display_name: auth.info.full_name || auth.info.name || [auth.info.first_name, auth.info.last_name].join(' '),
},
}
end
def ensure_unique_username(starting_username)
username = starting_username
i = 0
while Account.exists?(username: username, domain: nil)
i += 1
username = "#{starting_username}_#{i}"
end
username
end
def ensure_valid_username(starting_username)
starting_username = starting_username.split('@')[0]
temp_username = starting_username.gsub(/[^a-z0-9_]+/i, '')
temp_username.truncate(30, omission: '')
end
end
end
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