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-rw-r--r--actionpack/lib/action_dispatch/http/cache.rb34
1 files changed, 20 insertions, 14 deletions
diff --git a/actionpack/lib/action_dispatch/http/cache.rb b/actionpack/lib/action_dispatch/http/cache.rb
index a8febc32b3..8cc84ff36c 100644
--- a/actionpack/lib/action_dispatch/http/cache.rb
+++ b/actionpack/lib/action_dispatch/http/cache.rb
@@ -4,8 +4,8 @@ module ActionDispatch
module Http
module Cache
module Request
- HTTP_IF_MODIFIED_SINCE = "HTTP_IF_MODIFIED_SINCE".freeze
- HTTP_IF_NONE_MATCH = "HTTP_IF_NONE_MATCH".freeze
+ HTTP_IF_MODIFIED_SINCE = "HTTP_IF_MODIFIED_SINCE"
+ HTTP_IF_NONE_MATCH = "HTTP_IF_NONE_MATCH"
def if_modified_since
if since = get_header(HTTP_IF_MODIFIED_SINCE)
@@ -124,8 +124,8 @@ module ActionDispatch
private
- DATE = "Date".freeze
- LAST_MODIFIED = "Last-Modified".freeze
+ DATE = "Date"
+ LAST_MODIFIED = "Last-Modified"
SPECIAL_KEYS = Set.new(%w[extras no-cache max-age public private must-revalidate])
def generate_weak_etag(validators)
@@ -166,11 +166,11 @@ module ActionDispatch
@cache_control = cache_control_headers
end
- DEFAULT_CACHE_CONTROL = "max-age=0, private, must-revalidate".freeze
- NO_CACHE = "no-cache".freeze
- PUBLIC = "public".freeze
- PRIVATE = "private".freeze
- MUST_REVALIDATE = "must-revalidate".freeze
+ DEFAULT_CACHE_CONTROL = "max-age=0, private, must-revalidate"
+ NO_CACHE = "no-cache"
+ PUBLIC = "public"
+ PRIVATE = "private"
+ MUST_REVALIDATE = "must-revalidate"
def handle_conditional_get!
# Normally default cache control setting is handled by ETag
@@ -197,18 +197,24 @@ module ActionDispatch
if control.empty?
# Let middleware handle default behavior
elsif control[:no_cache]
- self._cache_control = NO_CACHE
- if control[:extras]
- self._cache_control = _cache_control + ", #{control[:extras].join(', ')}"
- end
+ options = []
+ options << PUBLIC if control[:public]
+ options << NO_CACHE
+ options.concat(control[:extras]) if control[:extras]
+
+ self._cache_control = options.join(", ")
else
- extras = control[:extras]
+ extras = control[:extras]
max_age = control[:max_age]
+ stale_while_revalidate = control[:stale_while_revalidate]
+ stale_if_error = control[:stale_if_error]
options = []
options << "max-age=#{max_age.to_i}" if max_age
options << (control[:public] ? PUBLIC : PRIVATE)
options << MUST_REVALIDATE if control[:must_revalidate]
+ options << "stale-while-revalidate=#{stale_while_revalidate.to_i}" if stale_while_revalidate
+ options << "stale-if-error=#{stale_if_error.to_i}" if stale_if_error
options.concat(extras) if extras
self._cache_control = options.join(", ")