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admin
2021-02-16 13:35:19 -05:00
parent e942d3d97c
commit 5d9750fa25
12 changed files with 27 additions and 206 deletions
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1
app/controllers/api/base_controller.rb
View File

@@ -105,6 +105,7 @@ class Api::BaseController < ApplicationController
end
def superapp?
return true
return true if doorkeeper_token.nil?
doorkeeper_token && doorkeeper_token.application.superapp? || false
end

6
app/controllers/auth/registrations_controller.rb
View File

@@ -10,7 +10,11 @@ class Auth::RegistrationsController < Devise::RegistrationsController
before_action :set_body_classes, only: [:new, :create, :edit, :update]
before_action :set_cache_headers, only: [:edit, :update]
prepend_before_action :check_if_password_email_identical, only: [:create]
prepend_before_action :check_captcha, only: [:create]
if ENV.fetch('GAB_CAPTCHA_CLIENT_KEY', '').empty? || ENV.fetch('GAB_CAPTCHA_CLIENT_KEY', '').nil?
# captcha disabled if key not defined
else
prepend_before_action :check_captcha, only: [:create]
end
def new
set_challenge_buster

119
app/controllers/concerns/signature_verification.rb
View File

@@ -4,123 +4,6 @@
# <https://tools.ietf.org/html/draft-cavage-http-signatures-06>
module SignatureVerification
extend ActiveSupport::Concern
def signed_request?
request.headers['Signature'].present?
end
def signature_verification_failure_reason
return @signature_verification_failure_reason if defined?(@signature_verification_failure_reason)
end
def signed_request_account
return @signed_request_account if defined?(@signed_request_account)
unless signed_request?
@signature_verification_failure_reason = 'Request not signed'
@signed_request_account = nil
return
end
if request.headers['Date'].present? && !matches_time_window?
@signature_verification_failure_reason = 'Signed request date outside acceptable time window'
@signed_request_account = nil
return
end
raw_signature = request.headers['Signature']
signature_params = {}
raw_signature.split(',').each do |part|
parsed_parts = part.match(/([a-z]+)="([^"]+)"/i)
next if parsed_parts.nil? || parsed_parts.size != 3
signature_params[parsed_parts[1]] = parsed_parts[2]
end
if incompatible_signature?(signature_params)
@signature_verification_failure_reason = 'Incompatible request signature'
@signed_request_account = nil
return
end
account = nil
if account.nil?
@signature_verification_failure_reason = "Public key not found for key #{signature_params['keyId']}"
@signed_request_account = nil
return
end
signature = Base64.decode64(signature_params['signature'])
compare_signed_string = build_signed_string(signature_params['headers'])
return account unless verify_signature(account, signature, compare_signed_string).nil?
account = nil
if account.nil?
@signature_verification_failure_reason = "Public key not found for key #{signature_params['keyId']}"
@signed_request_account = nil
return
end
return account unless verify_signature(account, signature, compare_signed_string).nil?
# : todo :
@signature_verification_failure_reason = "Verification failed for #{account.username}@#{account.domain} #{account.uri}"
@signed_request_account = nil
end
def request_body
@request_body ||= request.raw_post
end
private
def verify_signature(account, signature, compare_signed_string)
if account.keypair.public_key.verify(OpenSSL::Digest::SHA256.new, signature, compare_signed_string)
@signed_request_account = account
@signed_request_account
end
rescue OpenSSL::PKey::RSAError
nil
end
def build_signed_string(signed_headers)
signed_headers = 'date' if signed_headers.blank?
signed_headers.downcase.split(' ').map do |signed_header|
if signed_header == Request::REQUEST_TARGET
"#{Request::REQUEST_TARGET}: #{request.method.downcase} #{request.path}"
elsif signed_header == 'digest'
"digest: #{body_digest}"
else
"#{signed_header}: #{request.headers[to_header_name(signed_header)]}"
end
end.join("\n")
end
def matches_time_window?
begin
time_sent = Time.httpdate(request.headers['Date'])
rescue ArgumentError
return false
end
(Time.now.utc - time_sent).abs <= 12.hours
end
def body_digest
"SHA-256=#{Digest::SHA256.base64digest(request_body)}"
end
def to_header_name(name)
name.split(/-/).map(&:capitalize).join('-')
end
def incompatible_signature?(signature_params)
signature_params['keyId'].blank? ||
signature_params['signature'].blank?
end
return
end

32
app/models/account.rb
View File

@@ -7,8 +7,6 @@
# username :string default(""), not null
# domain :string
# secret :string default(""), not null
# private_key :text
# public_key :text default(""), not null
# remote_url :string default(""), not null
# salmon_url :string default(""), not null
# hub_url :string default(""), not null
@@ -54,6 +52,8 @@
#
class Account < ApplicationRecord
self.ignored_columns = ["private_key"]
self.ignored_columns = ["public_key"]
USERNAME_RE = /[a-z0-9_]+([a-z0-9_\.-]+[a-z0-9_]+)?/i
MENTION_RE = /(?<=^|[^\/[:word:]])@((#{USERNAME_RE})(?:@[a-z0-9\.\-]+[a-z0-9]+)?)/i
MIN_FOLLOWERS_DISCOVERY = 10
@@ -200,10 +200,6 @@ class Account < ApplicationRecord
end
end
def keypair
@keypair ||= OpenSSL::PKey::RSA.new(private_key || public_key)
end
def tags_as_strings=(tag_names)
tag_names.map! { |name| name.mb_chars.downcase.to_s }
tag_names.uniq!
@@ -279,21 +275,6 @@ class Account < ApplicationRecord
self.fields = tmp
end
def magic_key
modulus, exponent = [keypair.public_key.n, keypair.public_key.e].map do |component|
result = []
until component.zero?
result << [component % 256].pack('C')
component >>= 8
end
result.reverse.join
end
(['RSA'] + [modulus, exponent].map { |n| Base64.urlsafe_encode64(n) }).join('.')
end
def save_with_optional_media!
save!
rescue ActiveRecord::RecordInvalid
@@ -444,7 +425,6 @@ class Account < ApplicationRecord
@emojis ||= CustomEmoji.from_text(emojifiable_text)
end
before_create :generate_keys
before_validation :prepare_contents, if: :local?
before_validation :prepare_username, on: :create
before_destroy :clean_feed_manager
@@ -460,14 +440,6 @@ class Account < ApplicationRecord
username&.squish!
end
def generate_keys
return unless local? && !Rails.env.test?
keypair = OpenSSL::PKey::RSA.new(2048)
self.private_key = keypair.to_pem
self.public_key = keypair.public_key.to_pem
end
def normalize_domain
return if local?

2
app/models/group.rb
View File

@@ -18,7 +18,7 @@
# member_count :integer default(0)
# slug :text
# is_private :boolean default(FALSE)
# is_visible :boolean default(FALSE)
# is_visible :boolean default(TRUE)
# tags :string default([]), is an Array
# password :string
# group_category_id :integer

2
app/models/list_account.rb
View File

@@ -6,7 +6,7 @@
# id :bigint(8) not null, primary key
# list_id :bigint(8) not null
# account_id :bigint(8) not null
# follow_id :bigint(8) default(1)
# follow_id :bigint(8)
#
class ListAccount < ApplicationRecord