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-rw-r--r--lib/nickserver/request_handler.rb120
1 files changed, 74 insertions, 46 deletions
diff --git a/lib/nickserver/request_handler.rb b/lib/nickserver/request_handler.rb
index 8841b43..da9bcb3 100644
--- a/lib/nickserver/request_handler.rb
+++ b/lib/nickserver/request_handler.rb
@@ -40,70 +40,98 @@ module Nickserver
def respond_to(params, headers)
request = Request.new params, headers
- if request.email
- by_email(request)
- elsif request.fingerprint
- by_fingerprint(request)
- else
- send_not_found
- end
+ response = handle request
+ send_response response.status, response.content
+ end
+
+ protected
+ def handle(request)
+ handler = handler_for_request request
+ handler.call request
rescue RuntimeError => exc
puts "Error: #{exc}"
puts exc.backtrace
- send_error(exc.to_s)
+ ErrorResponse.new(exc.to_s)
end
- protected
-
- def by_email(request)
- email = EmailAddress.new(request.email)
- if email.invalid?
- send_error("Not a valid address")
+ def handler_for_request(request)
+ if request.email
+ EmailHandler.new adapter
+ elsif request.fingerprint
+ FingerprintHandler.new adapter
else
- send_key(email, request)
+ Proc.new { Nickserver::Response.new(404, "Not Found\n") }
end
end
- def by_fingerprint(request)
- fingerprint = request.fingerprint
- if fingerprint.length == 40 && !fingerprint[/\H/]
- source = Nickserver::Hkp::Source.new(adapter)
- key_response = source.get_key_by_fingerprint(fingerprint)
- send_response key_response.status, key_response.content
- else
- send_error('Fingerprint invalid: ' + fingerprint)
+ class EmailHandler
+
+ def initialize(adapter)
+ @adapter = adapter
end
- end
- def send_key(email, request)
- if local_address?(email, request)
- source = Nickserver::CouchDB::Source.new(adapter)
- else
- source = Nickserver::Hkp::Source.new(adapter)
+ def call(request)
+ email = EmailAddress.new(request.email)
+ if email.invalid?
+ ErrorResponse.new("Not a valid address")
+ else
+ send_key(email, request)
+ end
+ end
+
+ protected
+
+ def send_key(email, request)
+ if local_address?(email, request)
+ source = Nickserver::CouchDB::Source.new(adapter)
+ else
+ source = Nickserver::Hkp::Source.new(adapter)
+ 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)
+ email.domain?(Config.domain || request.domain)
end
- response = source.query(email)
- send_response response.status, response.content
- rescue MissingHostHeader
- send_error("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)
- email.domain?(Config.domain || request.domain)
+ attr_reader :adapter
end
- def send_error(msg = "not supported")
- send_response 500, "500 #{msg}\n"
+ class FingerprintHandler
+
+ def initialize(adapter)
+ @adapter = adapter
+ end
+
+ def call(request)
+ fingerprint = request.fingerprint
+ if fingerprint.length == 40 && !fingerprint[/\H/]
+ source = Nickserver::Hkp::Source.new(adapter)
+ source.get_key_by_fingerprint(fingerprint)
+ else
+ ErrorResponse.new('Fingerprint invalid: ' + fingerprint)
+ end
+ end
+
+ protected
+
+ attr_reader :adapter
end
- def send_not_found(msg = "Not Found")
- send_response 404, "404 #{msg}\n"
+ class ErrorResponse < Nickserver::Response
+ def initialize(message)
+ @status = 500
+ @message = message + "\n"
+ end
end
def send_response(status = 200, content = '')