Class: Compp::Default

Inherits:
Connection show all
Defined in:
lib/compp/default.rb

Overview

This is the default Compp::Connection. For each GET request it receives, it extract the credentails from the headers, and connects an XMPP client. The user can define its own xmpp handlers by subclassing this class.

Instance Attribute Summary collapse

Instance Method Summary collapse

Methods inherited from Connection

#initialize, #orbitize

Constructor Details

This class inherits a constructor from Compp::Connection

Instance Attribute Details

#http_headers ⇒ Object

Returns the value of attribute http_headers.



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# File 'lib/compp/default.rb', line 8

def http_headers
  @http_headers
end

Instance Method Details

#extract_jid_and_password_from_headers ⇒ Object

Helping tool to extract jid and password from headers



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# File 'lib/compp/default.rb', line 12

def extract_jid_and_password_from_headers
  jid, password = nil, nil
  begin
    headers = Hash[@http_headers.split("\000").map() {|h| h.split(": ")}]
    if headers["Authorization"] 
      auth = headers["Authorization"].split(" ")
      if auth[0] == "Basic"
        jid, password = Base64.decode64(auth[1]).split(":")
      end
    end
  rescue
    # Something was wring, w dont care
  end
  [jid, password]
end

#process_http_request ⇒ Object

This is the default behavior. When a user sends an HTTP request, the headers are parsed We connect an Blather Client using these headers Upon stanzas, we call on_stanza



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# File 'lib/compp/default.rb', line 33

def process_http_request
  jid, password = extract_jid_and_password_from_headers()
  if jid.nil?
    send_401
  else
    client = Blather::Client.setup(jid, password)
    client.register_handler(:ready) { 
      orbitize("HTTP/1.0 200 OK")
      orbitize("Content-Type: text/xml")
      orbitize("Connection: close\r\n")
      orbitize( "<?xml version='1.0' encoding='utf-8' ?>")
    }
    register_xmpp_handlers(client) # This function should probably be overriden
    client.connect
  end
end

#register_xmpp_handlers(client) ⇒ Object

This should be overiden! If, not, we assume the user just wants to puts the XML content of the message received to the HTTP connection



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# File 'lib/compp/default.rb', line 71

def register_xmpp_handlers(client)
  client.register_handler(:message) do |m|
    orbitize(m.to_xml)
  end
end

#send_401 ⇒ Object

Helping tool that sends a 401



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# File 'lib/compp/default.rb', line 52

def send_401
  resp = EventMachine::DelegatedHttpResponse.new( self )
  resp.status = 401
  resp.content = "Please, authenticate with with jid:password\n\n"
  resp.send_response
end

#send_403 ⇒ Object

Helping tool that sends a 403



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# File 'lib/compp/default.rb', line 61

def send_403
  resp = EventMachine::DelegatedHttpResponse.new( self )
  resp.status = 403
  resp.content = "Couldn't authenticate XMPP user\n\n"
  resp.send_response
end