# File lib/action_dispatch/http/cache.rb, line 21 21: def etag_matches?(etag) 22: if_none_match && if_none_match == etag 23: end
Check response freshness (Last-Modified and ETag) against request If-Modified-Since and If-None-Match conditions. If both headers are supplied, both must match, or the request is not considered fresh.
# File lib/action_dispatch/http/cache.rb, line 28 28: def fresh?(response) 29: last_modified = if_modified_since 30: etag = if_none_match 31: 32: return false unless last_modified || etag 33: 34: success = true 35: success &&= not_modified?(response.last_modified) if last_modified 36: success &&= etag_matches?(response.etag) if etag 37: success 38: end
# File lib/action_dispatch/http/cache.rb, line 7 7: def if_modified_since 8: if since = env['HTTP_IF_MODIFIED_SINCE'] 9: Time.rfc2822(since) rescue nil 10: end 11: end
Disabled; run with --debug to generate this.
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