discourse/app/controllers/csp_reports_controller.rb

51 lines
1.2 KiB
Ruby

# frozen_string_literal: true
class CspReportsController < ApplicationController
skip_before_action :check_xhr, :preload_json, :verify_authenticity_token, only: [:create]
def create
raise Discourse::NotFound unless report_collection_enabled?
report = parse_report
if report.blank?
render_json_error("empty CSP report", status: 422)
else
Logster.add_to_env(request.env, 'CSP Report', report)
Rails.logger.warn("CSP Violation: '#{report['blocked-uri']}' \n\n#{report['script-sample']}")
head :ok
end
rescue JSON::ParserError
render_json_error("invalid CSP report", status: 422)
end
private
def parse_report
obj = JSON.parse(request.body.read)
if Hash === obj
obj = obj['csp-report']
if Hash === obj
obj.slice(
'blocked-uri',
'disposition',
'document-uri',
'effective-directive',
'original-policy',
'referrer',
'script-sample',
'status-code',
'violated-directive',
'line-number',
'source-file'
)
end
end
end
def report_collection_enabled?
SiteSetting.content_security_policy_collect_reports
end
end