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require 'nickserver/email_address'
require 'nickserver/error_response'
require 'nickserver/hkp/source'
require 'nickserver/couch_db/source'
module Nickserver
module RequestHandlers
class EmailHandler
def call(request)
return unless request.email
handle_request(request)
end
protected
def handle_request(request)
email = EmailAddress.new(request.email)
if email.invalid?
ErrorResponse.new("Not a valid address")
else
send_key(email, request)
end
end
def send_key(email, request)
if local_address?(email, request)
source = Nickserver::CouchDB::Source.new
else
source = Nickserver::Hkp::Source.new
end
source.query(email)
rescue MissingHostHeader
ErrorResponse.new("HTTP request must include a Host header.")
end
#
# Return true if the user address is for a user of this service provider.
# e.g. if the provider is example.org, then alice@example.org returns true.
#
# If 'domain' is not configured, we rely on the Host header of the HTTP request.
#
def local_address?(email, request)
domain = Config.domain || request.domain
raise MissingHostHeader if domain == ''
email.domain? domain
end
end
class MissingHostHeader < StandardError
end
end
end
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