Files
adamantium/app/action.rb

89 lines
2.5 KiB
Ruby

# auto_register: false
# frozen_string_literal: true
require "hanami/action"
require "httparty"
require "dry-monads"
require "dry-matcher"
require "dry/matcher/result_matcher"
module Adamantium
class Action < Hanami::Action
include Deps["logger",
"settings",
not_found_view: "views.not_found",
error_view: "views.error",
sentry: "sentry.client"]
include Dry::Matcher.for(:handle, with: Dry::Matcher::ResultMatcher)
include Dry::Monads[:result]
handle_exception ROM::TupleCountMismatchError => :not_found
handle_exception StandardError => :handle_error
def authenticate!(req, res)
halt 400 if req.env["HTTP_AUTHORIZATION"] && req.params[:access_token]
if Hanami.env == :development || Hanami.env == :test
req.env[:scopes] = verify_token(nil)
return true
end
# Pull out and verify the authorization header or access_token
if req.env["HTTP_AUTHORIZATION"]
header = req.env["HTTP_AUTHORIZATION"].match(/Bearer (.*)$/)
access_token = header[1] unless header.nil?
elsif req.params["access_token"]
access_token = req.params["access_token"]
else
logger.error "Received request without a token"
halt 401
end
req.env[:access_token] = access_token
# Verify the token and extract scopes
req.env[:scopes] = verify_token(access_token)
end
def not_found(_req, res, _exception)
res.status = 404
res.render not_found_view
end
def handle_error(req, res, exception)
raise exception if settings.raise_exceptions
sentry.capture_exception(exception)
res.status = 500
res.render error_view
res.headers["Cache-Control"] = "no-store, max-age=0"
end
def verify_scope(req:, scope:)
req.env[:scopes].include? scope
end
private
def verify_token(access_token)
return %i[create update delete undelete media] if settings.shortcut_key == access_token
return %i[create update delete undelete media] if Hanami.env == :development || Hanami.env == :test
resp = HTTParty.get(settings.micropub_token_endpoint, {
headers: {
"Accept" => "application/x-www-form-urlencoded",
"Authorization" => "Bearer #{access_token}"
}
})
decoded_response = URI.decode_www_form(resp.body).to_h.transform_keys(&:to_sym)
halt 401 unless (decoded_response.include? :scope) && (decoded_response.include? :me)
decoded_response[:scope].gsub("post", "create").split.map(&:to_sym)
end
end
end