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module Irc
require 'net/http'
Net::HTTP.version_1_2
# class for making http requests easier (mainly for plugins to use)
# this class can check the bot proxy configuration to determine if a proxy
# needs to be used, which includes support for per-url proxy configuration.
class HttpUtil
def initialize(bot)
@bot = bot
end
# uri:: Uri to create a proxy for
#
# return a net/http Proxy object, which is configured correctly for
# proxying based on the bot's proxy configuration.
# This will include per-url proxy configuration based on the bot config
# +http_proxy_include/exclude+ options.
def get_proxy(uri)
proxy = nil
if (ENV['http_proxy'])
proxy = URI.parse ENV['http_proxy']
end
if (@bot.config["http_proxy"])
proxy = URI.parse ENV['http_proxy']
end
# if http_proxy_include or http_proxy_exclude are set, then examine the
# uri to see if this is a proxied uri
if uri
if @bot.config["http_proxy_exclude"]
# TODO
end
if @bot.config["http_proxy_include"]
end
end
proxy_host = nil
proxy_port = nil
proxy_user = nil
proxy_pass = nil
if @bot.config["http_proxy_user"]
proxy_user = @bot.config["http_proxy_user"]
if @bot.config["http_proxy_pass"]
proxy_pass = @bot.config["http_proxy_pass"]
end
end
if proxy
proxy_host = proxy.host
proxy_port = proxy.port
end
return Net::HTTP.new(uri.host, uri.port, proxy_host, proxy_port, proxy_user, proxy_port)
end
# uri:: uri to query (Uri object)
# readtimeout:: timeout for reading the response
# opentimeout:: timeout for opening the connection
#
# simple get request, returns response body if the status code is 200 and
# the request doesn't timeout.
def get(uri, readtimeout=10, opentimeout=5)
proxy = get_proxy(uri)
proxy.open_timeout = opentimeout
proxy.read_timeout = readtimeout
begin
proxy.start() {|http|
resp = http.get(uri)
if resp.code == "200"
return resp.body
end
return nil
}
rescue StandardError, Timeout::Error => e
$stderr.puts "HttpUtil.get exception: #{e}, while trying to get #{uri}"
end
return nil
end
end
end
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