You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
50 lines
1.2 KiB
50 lines
1.2 KiB
class XrdController < ApplicationController |
|
before_action :set_format |
|
|
|
def host_meta |
|
@webfinger_template = "#{webfinger_url}?resource={uri}" |
|
end |
|
|
|
def webfinger |
|
@account = Account.find_local!(username_from_resource) |
|
@canonical_account_uri = "acct:#{@account.username}@#{Rails.configuration.x.local_domain}" |
|
@magic_key = pem_to_magic_key(@account.keypair.public_key) |
|
rescue ActiveRecord::RecordNotFound |
|
head 404 |
|
end |
|
|
|
private |
|
|
|
def set_format |
|
request.format = 'xml' |
|
response.headers['Content-Type'] = 'application/xrd+xml' |
|
end |
|
|
|
def username_from_resource |
|
if resource_param.start_with?('acct:') |
|
resource_param.split('@').first.gsub('acct:', '') |
|
else |
|
url = Addressable::URI.parse(resource_param) |
|
url.path.gsub('/users/', '') |
|
end |
|
end |
|
|
|
def pem_to_magic_key(public_key) |
|
modulus, exponent = [public_key.n, public_key.e].map do |component| |
|
result = "" |
|
|
|
until component == 0 do |
|
result << [component % 256].pack('C') |
|
component >>= 8 |
|
end |
|
|
|
result.reverse! |
|
end |
|
|
|
(["RSA"] + [modulus, exponent].map { |n| Base64.urlsafe_encode64(n) }).join('.') |
|
end |
|
|
|
def resource_param |
|
params.require(:resource) |
|
end |
|
end
|
|
|