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# OpenUriRedirections [![Build Status](https://secure.travis-ci.org/jaimeiniesta/open_uri_redirections.png)](http://travis-ci.org/jaimeiniesta/open_uri_redirections) [![Dependency Status](https://gemnasium.com/jaimeiniesta/open_uri_redirections.png)](https://gemnasium.com/jaimeiniesta/open_uri_redirections)

This gem applies a patch to OpenURI to optionally allow redirections from HTTP to HTTPS, or from HTTPS to HTTP.

This is based on [this patch](http://bugs.ruby-lang.org/issues/859) and [this gem](https://github.com/obfusk/open_uri_w_redirect_to_https), and modified to allow redirections in both directions.

Here is the problem it tries to solve:

```sh
$ irb
1.9.2p320 :001 > require 'open-uri'
=> true
1.9.2p320 :002 > open('http://github.com')
RuntimeError: redirection forbidden: http://github.com -> https://github.com/
```

And here is how you can use this patch to follow the redirections:

```sh
$ irb
1.9.2p320 :001 > require 'open-uri'
=> true
> require 'open_uri_redirections'
=> true
1.9.2p320 :002 > open('http://github.com', :allow_redirections => :safe)
=> #<File:/var/folders/...>
```

The patch contained in this gem adds the :allow_redirections option to `OpenURI#open`:

* `:allow_redirections => :safe` will allow HTTP => HTTPS redirections.
* `:allow_redirections => :all`  will allow HTTP => HTTPS redirections and HTTPS => HTTP redirections.

## Understand what you're doing

Before using this gem, read this:

### Original gist URL:
[https://gist.github.com/1271420](https://gist.github.com/1271420)

### Relevant issue:
[https://bugs.ruby-lang.org/issues/3719](https://bugs.ruby-lang.org/issues/3719)

### Source here:
[https://github.com/ruby/ruby/blob/trunk/lib/open-uri.rb](https://github.com/ruby/ruby/blob/trunk/lib/open-uri.rb)

### Thread-safe implementation adapted from this gem:
[https://github.com/obfusk/open_uri_w_redirect_to_https](https://github.com/obfusk/open_uri_w_redirect_to_https)

Use it at your own risk!

## Installation

Add this line to your application's Gemfile:

    gem 'open_uri_redirections'

And then execute:

```sh
$ bundle install
```

Or install it yourself as:

```sh
$ gem install open_uri_redirections
```

## Contributing

1. Fork it
2. Create your feature branch (`git checkout -b my-new-feature`)
3. Commit your changes (`git commit -am 'Add some feature'`)
4. Push to the branch (`git push origin my-new-feature`)
5. Create new Pull Request

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