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Fixed action_cache Plugin

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The action_cache plugin had Conditional GET (If-Modified-Since) support. I added ETag (If-None-Match) support.
This commit is contained in:
Jacques Distler 2007-05-26 14:11:53 -05:00
parent c67cfbc52d
commit 5db9b7d3ea
1 changed files with 6 additions and 1 deletions
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7
vendor/plugins/action_cache/lib/action_cache.rb vendored
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@ -134,6 +134,7 @@ module ActionController
controller.response.headers['Cache-Control'] == 'no-cache'
controller.response.headers['Cache-Control'] = "max-age=#{controller.response.time_to_live}"
end
controller.response.headers['Etag'] = "\"#{MD5.new(controller.response.body).to_s}\""
controller.response.headers['Last-Modified'] ||= Time.now.httpdate
end
@ -145,10 +146,14 @@ module ActionController
def send_not_modified(controller)
controller.logger.info "Send Not Modified"
controller.response.headers['Etag'] = "\"#{MD5.new(fragment_body(controller)).to_s}\""
controller.render(:text => "", :status => 304)
end
def client_has_latest?(cache_entry, controller)
requestEtag = controller.request.env['HTTP_IF_NONE_MATCH'] rescue nil
responseEtag = cache_entry.headers['Etag'] rescue nil
return true if (requestEtag and responseEtag and requestEtag == responseEtag)
requestTime = Time.rfc2822(controller.request.env["HTTP_IF_MODIFIED_SINCE"]) rescue nil
responseTime = Time.rfc2822(cache_entry.headers['Last-Modified']) rescue nil
return (requestTime and responseTime and responseTime <= requestTime)
@ -229,4 +234,4 @@ module ActionController
end
end