StraightDope is a gem for getting the URLs of media content from sites such as yfrog and Twitpic. Currently supported services:
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yfrog
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TwitPic
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Lockerz
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Twitgoo
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img.ly
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Mobypicture
Coming soon:
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Posterous
Add this to your Gemfile and run the bundle command.
gem "straight_dope"
To use it, simply call extract_media on a string.
StraightDope.extract_media("put your urls here")
StraightDope will return you an array of URL strings, that you can use directly in your HTML tags.
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oEmbed support
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API keys
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Video support
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Different sizes
Straight Dope was inspired from these blog posts.
jasonneylon.wordpress.com/2011/02/01/twitter-picture-previews-with-ruby
railstips.org/blog/archives/2009/03/04/following-redirects-with-nethttp