Sha256: 7f94aa57578c93fbff03b5e5fc8f1a11cb740d1d77410a0cb63ac4e4aaac3a52
Contents?: true
Size: 888 Bytes
Versions: 187
Compression:
Stored size: 888 Bytes
Contents
class Lalala::ExtRack::CanonicalURL
require 'uri'
LINKS_HEADER = "Links"
def initialize(app)
@app = app
end
def call(env)
dup._call(env)
end
protected
def _call(env)
req_url = Rack::Request.new(env).url
status, headers, body = @app.call(env)
# prepare canonical urls
urls = headers.delete('Canonical-URL')
urls = [urls, req_url].flatten.compact
urls = urls.map { |u| URI.parse(u) }
# resolve canonical url
url = urls.reverse.inject(urls.pop) do |acc, u|
acc.merge(u)
end
url = url.to_s
# if the canonical url is not the current url
if url != req_url
# set the canonical url
links = [headers[LINKS_HEADER]].flatten.compact
links << "<#{url}>; rel=\"canonical\""
links = links.join(", ")
headers[LINKS_HEADER] = links
end
return [status, headers, body]
end
end
Version data entries
187 entries across 187 versions & 1 rubygems