Class: Gitlab::EtagCaching::Middleware
- Inherits:
-
Object
- Object
- Gitlab::EtagCaching::Middleware
- Defined in:
- lib/gitlab/etag_caching/middleware.rb
Constant Summary collapse
- SKIP_HEADER_KEY =
'X-Gitlab-Skip-Etag'
Class Method Summary collapse
Instance Method Summary collapse
- #call(env) ⇒ Object
-
#initialize(app) ⇒ Middleware
constructor
A new instance of Middleware.
Constructor Details
#initialize(app) ⇒ Middleware
Returns a new instance of Middleware.
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# File 'lib/gitlab/etag_caching/middleware.rb', line 14 def initialize(app) @app = app end |
Class Method Details
.skip!(response) ⇒ Object
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# File 'lib/gitlab/etag_caching/middleware.rb', line 9 def skip!(response) response.set_header(SKIP_HEADER_KEY, '1') end |
Instance Method Details
#call(env) ⇒ Object
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# File 'lib/gitlab/etag_caching/middleware.rb', line 18 def call(env) request = ActionDispatch::Request.new(env) route = Gitlab::EtagCaching::Router.match(request) return @app.call(env) unless route track_event(:etag_caching_middleware_used, route) etag, cached_value_present = get_etag(request, route) if_none_match = env['HTTP_IF_NONE_MATCH'] if if_none_match == etag handle_cache_hit(etag, route, request) else track_cache_miss(if_none_match, cached_value_present, route) maybe_apply_etag(etag, *@app.call(env)) end end |