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|
# frozen_string_literal: true
#
# Copyright, 2017, by Samuel G. D. Williams. <http://www.codeotaku.com>
#
# Permission is hereby granted, free of charge, to any person obtaining a copy
# of this software and associated documentation files (the "Software"), to deal
# in the Software without restriction, including without limitation the rights
# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
# copies of the Software, and to permit persons to whom the Software is
# furnished to do so, subject to the following conditions:
#
# The above copyright notice and this permission notice shall be included in
# all copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
# THE SOFTWARE.
require_relative 'http10'
require_relative 'http11'
require_relative 'http2'
require 'openssl'
unless OpenSSL::SSL::SSLContext.instance_methods.include? :alpn_protocols=
warn "OpenSSL implementation doesn't support ALPN."
class OpenSSL::SSL::SSLContext
def alpn_protocols= names
return names
end
end
class OpenSSL::SSL::SSLSocket
def alpn_protocol
return nil
end
end
end
module Async
module HTTP
module Protocol
# A server that supports both HTTP1.0 and HTTP1.1 semantics by detecting the version of the request.
module HTTPS
HANDLERS = {
"h2" => HTTP2,
"http/1.1" => HTTP11,
"http/1.0" => HTTP10,
nil => HTTP11,
}
def self.protocol_for(peer)
# alpn_protocol is only available if openssl v1.0.2+
name = peer.alpn_protocol
Console.logger.debug(self) {"Negotiating protocol #{name.inspect}..."}
if protocol = HANDLERS[name]
return protocol
else
raise ArgumentError, "Could not determine protocol for connection (#{name.inspect})."
end
end
def self.client(peer)
protocol_for(peer).client(peer)
end
def self.server(peer)
protocol_for(peer).server(peer)
end
# Supported Application Layer Protocol Negotiation names:
def self.names
HANDLERS.keys.compact
end
end
end
end
end
|
