Module: ActionDispatch::Http::Cache::Request
Relationships & Source Files | |
Extension / Inclusion / Inheritance Descendants | |
Included In:
::ActionCable::Connection::TestRequest ,
ActionController::TestRequest,
::ActionDispatch::Request ,
::ActionDispatch::TestRequest
| |
Defined in: | actionpack/lib/action_dispatch/http/cache.rb |
Constant Summary
-
HTTP_IF_MODIFIED_SINCE =
# File 'actionpack/lib/action_dispatch/http/cache.rb', line 7"HTTP_IF_MODIFIED_SINCE"
-
HTTP_IF_NONE_MATCH =
# File 'actionpack/lib/action_dispatch/http/cache.rb', line 8"HTTP_IF_NONE_MATCH"
Instance Method Summary
- #etag_matches?(etag) ⇒ Boolean
-
#fresh?(response) ⇒ Boolean
Check response freshness (
Last-Modified
and ETag) against requestIf-Modified-Since
andIf-None-Match
conditions. - #if_modified_since
- #if_none_match
- #if_none_match_etags
- #not_modified?(modified_at) ⇒ Boolean
Instance Method Details
#etag_matches?(etag) ⇒ Boolean
# File 'actionpack/lib/action_dispatch/http/cache.rb', line 28
def etag_matches?(etag) if etag validators = validators.include?(etag) || validators.include?("*") end end
#fresh?(response) ⇒ Boolean
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 'actionpack/lib/action_dispatch/http/cache.rb', line 38
def fresh?(response) last_modified = if_modified_since etag = if_none_match return false unless last_modified || etag success = true success &&= not_modified?(response.last_modified) if last_modified success &&= etag_matches?(response.etag) if etag success end
#if_modified_since
[ GitHub ]# File 'actionpack/lib/action_dispatch/http/cache.rb', line 10
def if_modified_since if since = get_header(HTTP_IF_MODIFIED_SINCE) Time.rfc2822(since) rescue nil end end
#if_none_match
[ GitHub ]# File 'actionpack/lib/action_dispatch/http/cache.rb', line 16
def if_none_match get_header HTTP_IF_NONE_MATCH end
#if_none_match_etags
[ GitHub ]# File 'actionpack/lib/action_dispatch/http/cache.rb', line 20
def if_none_match ? if_none_match.split(",").each(&:strip!) : [] end
#not_modified?(modified_at) ⇒ Boolean
# File 'actionpack/lib/action_dispatch/http/cache.rb', line 24
def not_modified?(modified_at) if_modified_since && modified_at && if_modified_since >= modified_at end