Class: Ig3tool::WebHandler

Inherits:
Mongrel::HttpHandler
  • Object
show all
Defined in:
lib/web.rb

Instance Method Summary collapse

Instance Method Details

#decode_body(request) ⇒ Object 



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# File 'lib/web.rb', line 8

def decode_body(request)
	if request.params[Mongrel::Const::REQUEST_METHOD] == "POST" then
		type = request.params['CONTENT_TYPE'].sub(/;.*/,'')
		res = case type
			when "application/x-yaml","text/yaml", "text/x-yaml"
				YAML.load request.body
			when "application/x-www-form-urlencoded"
				Mongrel::HttpRequest.query_parse request.body.read
			else
				warn "Warning: don't know how to handle Content-Type: #{type}"
				{}
			end
		res.stringify_keys!
	else
		{}
	end
end

#process(request, response) ⇒ Object 



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# File 'lib/web.rb', line 26

def process(request, response)
	path = request.params[Mongrel::Const::PATH_INFO]

	# strip leading /, convert all remaining / to _
	(path, params) = path.split('//')
	params = (params || "").split("/")
	command = path.tr('/', '_').sub(/_+$/,'').sub(/^_+/,"")

	puts "Handling request for #{path}; params: #{params.inspect}"

	begin
		
		if command.empty? then
			response.start(503) do |head,out|
				messages = Ig3tool::Actions.public_methods.reject {|x| Object.respond_to? x or x.starts_with? "_" }
				out << "Please enter a query. Possible commands: #{messages.sort.join(', ')}"
			end
			return
		else
			type  = request.params[Mongrel::Const::REQUEST_METHOD]
			extra = decode_body request
			extra.update( :from_uri => params, :given_uri => params.size, :type => type)
			puts "Extra params: #{extra.inspect}"
			
			command = command + '!' if type == 'POST'

			if command != "wannabe!" and command != "register!"
				raise Token, "you need a key" if params.size < 1
				token = params[0]
				raise Token, "invalid key" if not Bitch.can_request?(params[0])
			end

			r = Ig3tool::Request.new
			r.bitch = Bitch.bitch(token)
			r.request = "REQ: " + command 
			r.request += " ; " + params.join(", ") 
			r.request += " ; " +  extra.to_a.map{|e| e.join(" => ")}.join(", ")
			r.save!

			answer = Ig3tool::Actions.send(command, extra)
			raised = false
		end

	rescue IG3Error, NoMethodError  => boom
		answer = { "type" => boom.class.to_s, "message" => boom.message }
		raised = true
	rescue Exception => boom
		warn "==== EXCEPTION ===="
		warn "ERROR OCCURED: #{boom.to_s}\n"
		warn "Backtrace: \n"
		warn boom.backtrace.collect {|x| "\t"+x}.join("\n")
		warn "==== EXCEPTION ===="
		answer = { "type" => "InternalError", "message" => boom.to_s, "backtrace" => boom.backtrace }
		raised = true
	end

	code = raised ? 500 : 200
	response.start(code) do |head,out|
		case request.params['HTTP_ACCEPT']
		when /text\/x-yaml/, /text\/yaml/, /application\/yaml/
			head["Content-Type"] = "application/yaml"
			out << answer.to_yaml

		else # text dump
			head["Content-Type"] = "text/plain"
			out << answer.inspect
		end
	end
end