38 lines
978 B
Ruby
38 lines
978 B
Ruby
module Downloads
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module Strategies
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class Tumblr < Base
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def rewrite(url, headers)
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if url =~ %r{^https?://.*tumblr\.com}
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url, headers = rewrite_cdn(url, headers)
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url, headers = rewrite_thumbnails(url, headers)
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end
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return [url, headers]
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end
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protected
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def rewrite_thumbnails(url, headers)
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if url =~ %r{^http?://.+\.tumblr\.com/(?:\w+/)?(?:tumblr_)?(\w+_)(250|400|500)\..+$}
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match = $1
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given_size = $2
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big_1280_url = url.sub(match + given_size, match + "1280")
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if http_exists?(big_1280_url, headers)
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return [big_1280_url, headers]
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end
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end
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return [url, headers]
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end
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def rewrite_cdn(url, headers)
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if url =~ %r{https?://gs1\.wac\.edgecastcdn\.net/8019B6/data\.tumblr\.com/}
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url.sub!("gs1.wac.edgecastcdn.net/8019B6/", "")
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end
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return [url, headers]
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end
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end
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end
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end
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