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#
# goo_gl.rb - shorten URL by goo.gl
#
# usage: shorten_url_you_got = goo_gl( 'long_url' ) || long_url
#
# Copyright (C) 2011, tamoot <tamoot+tdiary@gmail.com>
# You can redistribute it and/or modify it under GPL.
#
require 'json'
require 'net/https'
def goo_gl( long_url )
return nil if !long_url or long_url.empty?
# on memory
@goo_gl_cache ||= {} # cached only on memory
return @goo_gl_cache[long_url] if @goo_gl_cache[long_url]
# proxy
px_host, px_port = (@conf['proxy'] || '').split( /:/ )
px_port = 80 if px_host and !px_port
# params
params = {'longUrl' => long_url}.to_json
https = nil
begin
https = Net::HTTP::Proxy(px_host, px_port).new('www.googleapis.com', 443)
https.use_ssl = true
res, body = https.post("/urlshortener/v1/url", params, {'Content-Type' => 'application/json'})
@goo_gl_cache[long_url] = JSON::parse(body)["id"] if res.code == '200'
rescue Exception => e
# do nothing..
ensure
https.finish if https && https.started?
end
return @goo_gl_cache[long_url]
end
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