From: ara.t.howard@...
Date: 2006-06-28T05:50:43+09:00
Subject: Re: URI::InvalidURIError when using curly brackets

On Wed, 28 Jun 2006, Richard Leonard wrote:

> I've been experimenting using open-uri to retrieve HTML from various
> sites and have spent the past couple of days searching for an answer to
> my problem. One page I've been trying to access contains a GUID in the
> querystring and it has curly brackets around it. This is my code (I'm
> just using Google for this example):
>
> require 'open-uri'
>
> uri =
> URI.parse('http://www.google.co.uk/search?q={3F2504E0-4F89-11D3-9A-0C-03-05-E8-2C-33-01}')
> html = open(uri).read()
>
> But I get the following error:
>
> URI::InvalidURIError in DemoController#index
>
> bad URI(is not URI?):
> http://www.google.co.uk/search?q={3F2504E0-4F89-11D3-9A-0C-03-05-E8-2C-33-01}
>
> RAILS_ROOT: /code/public/../config/..
>
> /usr/local/lib/ruby/1.8/uri/common.rb:432:in `split'
> /usr/local/lib/ruby/1.8/uri/common.rb:481:in `parse'
> #{RAILS_ROOT}/app/controllers/scrape_controller.rb:10:in `index'
>
>> From what I've found, curly brackets aren't allowed in a Ruby URI
> (despite my browser being capable of handling them). I've tried encoding
> them with %7B and %7D but then the page is called with the encoded
> version, which in my case, the site isn't expecting and it doesn't work.
>
> Is there a way to allow curly brackets in my URI? or another method to
> download HTML which does?
>
> Thanks.


irb(main):001:0> URI.parse(URI.encode("http://www.google.co.uk/search?q={3F2504E0-4F89-11D3-9A-0C-03-05-E8-2C-33-01}"))
=> #<URI::HTTP:0xfdba8216c URL:http://www.google.co.uk/search?q=%7B3F2504E0-4F89-11D3-9A-0C-03-05-E8-2C-33-01%7D>


-a
-- 
suffering increases your inner strength.  also, the wishing for suffering
makes the suffering disappear.
- h.h. the 14th dali lama