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+varnishtest "Vary support"
+
+#REQUIRE_VERSION=2.4
+
+feature ignore_unknown_macro
+
+server s1 {
+ # Response varying on "accept-encoding" with
+ # an unacceptable content-encoding
+ rxreq
+ expect req.url == "/accept-encoding"
+ txresp -hdr "Content-Encoding: gzip" \
+ -hdr "Vary: accept-encoding" \
+ -hdr "Cache-Control: max-age=5" \
+ -bodylen 45
+
+ # Response varying on "accept-encoding"
+ rxreq
+ expect req.url == "/accept-encoding"
+ txresp -hdr "Content-Encoding: gzip" \
+ -hdr "Vary: accept-encoding" \
+ -hdr "Cache-Control: max-age=5" \
+ -bodylen 45
+
+ # Response varying on "accept-encoding" with
+ # no content-encoding
+ rxreq
+ expect req.url == "/accept-encoding"
+ txresp -hdr "Content-Type: text/plain" \
+ -hdr "Vary: accept-encoding" \
+ -hdr "Cache-Control: max-age=5" \
+ -bodylen 48
+
+ # Response varying on "accept-encoding" but having two different encodings
+ rxreq
+ expect req.url == "/accept-encoding-multiple"
+ txresp -hdr "Vary: accept-encoding" \
+ -hdr "Cache-Control: max-age=5" \
+ -bodylen 51
+
+
+ # Unmanaged vary
+ rxreq
+ expect req.url == "/unmanaged"
+ txresp -hdr "Vary: accept-encoding,unmanaged" \
+ -hdr "Cache-Control: max-age=5" \
+ -bodylen 51
+
+
+ rxreq
+ expect req.url == "/unmanaged"
+ txresp -hdr "Vary: accept-encoding,unmanaged" \
+ -hdr "Cache-Control: max-age=5" \
+ -bodylen 51
+
+
+
+ # Mixed Vary (Accept-Encoding + Referer)
+ rxreq
+ expect req.url == "/referer-accept-encoding"
+ txresp -hdr "Vary: accept-encoding,referer" \
+ -hdr "Cache-Control: max-age=5" \
+ -hdr "Content-Encoding: gzip" \
+ -bodylen 51
+
+ rxreq
+ expect req.url == "/referer-accept-encoding"
+ txresp -hdr "Vary: referer,accept-encoding" \
+ -hdr "Cache-Control: max-age=5" \
+ -hdr "Content-Encoding: br" \
+ -bodylen 54
+
+ rxreq
+ expect req.url == "/referer-accept-encoding"
+ txresp -hdr "Vary: referer,accept-encoding" \
+ -hdr "Cache-Control: max-age=5" \
+ -hdr "Content-Encoding: gzip" \
+ -bodylen 57
+
+ # Multiple Accept-Encoding headers
+ rxreq
+ expect req.url == "/multiple_headers"
+ txresp -hdr "Vary: accept-encoding" \
+ -hdr "Cache-Control: max-age=5" \
+ -hdr "Content-Encoding: br" \
+ -bodylen 155
+
+ rxreq
+ expect req.url == "/multiple_headers"
+ txresp -hdr "Vary: accept-encoding" \
+ -hdr "Cache-Control: max-age=5" \
+ -hdr "Content-Encoding: br" \
+ -bodylen 166
+
+
+ # Too many Accept-Encoding values (we will not cache responses with more than 16 encodings)
+ rxreq
+ expect req.url == "/too_many_encodings"
+ txresp -hdr "Vary: accept-encoding" \
+ -hdr "Cache-Control: max-age=5" \
+ -hdr "Content-Encoding: gzip" \
+ -bodylen 177
+
+ rxreq
+ expect req.url == "/too_many_encodings"
+ txresp -hdr "Vary: accept-encoding" \
+ -hdr "Cache-Control: max-age=5" \
+ -hdr "Content-Encoding: gzip" \
+ -bodylen 188
+
+ rxreq
+ expect req.url == "/empty-vs-missing"
+ txresp -hdr "Content-Encoding: gzip" \
+ -hdr "Vary: accept-encoding" \
+ -hdr "Cache-Control: max-age=5" \
+ -bodylen 234
+
+ rxreq
+ expect req.url == "/empty-vs-missing"
+ txresp -hdr "Vary: accept-encoding" \
+ -hdr "Cache-Control: max-age=5" \
+ -bodylen 256
+} -start
+
+server s2 {
+ # Responses that should not be cached
+ rxreq
+ expect req.url == "/no_vary_support"
+ txresp -hdr "Vary: accept-encoding" \
+ -hdr "Cache-Control: max-age=5" \
+ -bodylen 57
+
+ rxreq
+ expect req.url == "/no_vary_support"
+ txresp -hdr "Vary: accept-encoding" \
+ -hdr "Cache-Control: max-age=5" \
+ -bodylen 57
+} -start
+
+haproxy h1 -conf {
+ global
+ # WT: limit false-positives causing "HTTP header incomplete" due to
+ # idle server connections being randomly used and randomly expiring
+ # under us.
+ tune.idle-pool.shared off
+
+ defaults
+ mode http
+ timeout connect "${HAPROXY_TEST_TIMEOUT-5s}"
+ timeout client "${HAPROXY_TEST_TIMEOUT-5s}"
+ timeout server "${HAPROXY_TEST_TIMEOUT-5s}"
+
+ frontend fe
+ bind "fd@${fe}"
+ use_backend no_vary_be if { path_beg /no_vary_support }
+ default_backend test
+
+ backend test
+ http-request cache-use my_cache
+ server www ${s1_addr}:${s1_port}
+ http-response cache-store my_cache
+ http-response set-header X-Cache-Hit %[res.cache_hit]
+
+ backend no_vary_be
+ http-request cache-use no_vary_cache
+ server www ${s2_addr}:${s2_port}
+ http-response cache-store no_vary_cache
+ http-response set-header X-Cache-Hit %[res.cache_hit]
+
+ cache my_cache
+ total-max-size 3
+ max-age 20
+ max-object-size 3072
+ process-vary on
+
+ cache no_vary_cache
+ total-max-size 3
+ max-age 20
+ max-object-size 3072
+ process-vary off
+} -start
+
+
+client c1 -connect ${h1_fe_sock} {
+ # Accept-Encoding Vary
+ txreq -url "/accept-encoding" -hdr "Accept-Encoding: first_value"
+ rxresp
+ expect resp.status == 200
+ expect resp.http.content-encoding == "gzip"
+ expect resp.bodylen == 45
+
+ # The response for the first request had an unacceptable `content-encoding`
+ # which might happen if that's the only thing the server supports, but
+ # we must not cache that and instead defer to the server.
+ txreq -url "/accept-encoding" -hdr "Accept-Encoding: first_value"
+ rxresp
+ expect resp.status == 200
+ expect resp.http.content-encoding == "gzip"
+ expect resp.bodylen == 45
+ expect resp.http.X-Cache-Hit == 0
+
+ txreq -url "/accept-encoding" -hdr "Accept-Encoding: second_value"
+ rxresp
+ expect resp.status == 200
+ expect resp.bodylen == 48
+ expect resp.http.content-type == "text/plain"
+ expect resp.http.X-Cache-Hit == 0
+
+ # This request matches the cache entry for the request above, despite
+ # matching the `accept-encoding` of the first request because the
+ # request above only has the `identity` encoding which is implicitly
+ # added, unless explicitly forbidden.
+ txreq -url "/accept-encoding" -hdr "Accept-Encoding: first_value"
+ rxresp
+ expect resp.status == 200
+ expect resp.bodylen == 48
+ expect resp.http.content-type == "text/plain"
+ expect resp.http.X-Cache-Hit == 1
+
+ txreq -url "/accept-encoding" -hdr "Accept-Encoding: second_value"
+ rxresp
+ expect resp.status == 200
+ expect resp.bodylen == 48
+ expect resp.http.content-type == "text/plain"
+ expect resp.http.X-Cache-Hit == 1
+
+ # The accept-encoding normalizer function converts the header values
+ # to lower case then calculates the hash of every sub part before
+ # sorting the hashes and xor'ing them (while removing duplicates).
+ txreq -url "/accept-encoding-multiple" -hdr "Accept-Encoding: first,second"
+ rxresp
+ expect resp.status == 200
+ expect resp.bodylen == 51
+ expect resp.http.X-Cache-Hit == 0
+
+ txreq -url "/accept-encoding-multiple" -hdr "Accept-Encoding: first,second"
+ rxresp
+ expect resp.status == 200
+ expect resp.bodylen == 51
+ expect resp.http.X-Cache-Hit == 1
+
+ txreq -url "/accept-encoding-multiple" -hdr "Accept-Encoding: second,first"
+ rxresp
+ expect resp.status == 200
+ expect resp.bodylen == 51
+ expect resp.http.X-Cache-Hit == 1
+
+ txreq -url "/accept-encoding-multiple" -hdr "Accept-Encoding: FirsT,SECOND,first"
+ rxresp
+ expect resp.status == 200
+ expect resp.bodylen == 51
+ expect resp.http.X-Cache-Hit == 1
+
+ # Unmanaged vary
+ txreq -url "/unmanaged" -hdr "Accept-Encoding: first_value"
+ rxresp
+ expect resp.status == 200
+ expect resp.bodylen == 51
+ expect resp.http.X-Cache-Hit == 0
+
+ txreq -url "/unmanaged" -hdr "Accept-Encoding: first_value"
+ rxresp
+ expect resp.status == 200
+ expect resp.bodylen == 51
+ expect resp.http.X-Cache-Hit == 0
+
+
+ # Mixed Vary (Accept-Encoding + Referer)
+ txreq -url "/referer-accept-encoding" \
+ -hdr "Accept-Encoding: br, gzip" \
+ -hdr "Referer: referer"
+ rxresp
+ expect resp.status == 200
+ expect resp.bodylen == 51
+ expect resp.http.X-Cache-Hit == 0
+
+ txreq -url "/referer-accept-encoding" \
+ -hdr "Accept-Encoding: br" \
+ -hdr "Referer: other-referer"
+ rxresp
+ expect resp.status == 200
+ expect resp.bodylen == 54
+ expect resp.http.X-Cache-Hit == 0
+
+ txreq -url "/referer-accept-encoding" \
+ -hdr "Accept-Encoding: gzip" \
+ -hdr "Referer: other-referer"
+ rxresp
+ expect resp.status == 200
+ expect resp.bodylen == 57
+ expect resp.http.X-Cache-Hit == 0
+
+ txreq -url "/referer-accept-encoding" \
+ -hdr "Referer: referer" \
+ -hdr "Accept-Encoding: gzip, br"
+ rxresp
+ expect resp.status == 200
+ expect resp.bodylen == 51
+ expect resp.http.X-Cache-Hit == 1
+
+ txreq -url "/referer-accept-encoding" \
+ -hdr "Accept-Encoding: br" \
+ -hdr "Referer: other-referer"
+ rxresp
+ expect resp.status == 200
+ expect resp.bodylen == 54
+ expect resp.http.X-Cache-Hit == 1
+
+ txreq -url "/referer-accept-encoding" \
+ -hdr "Accept-Encoding: gzip" \
+ -hdr "Referer: other-referer"
+ rxresp
+ expect resp.status == 200
+ expect resp.bodylen == 57
+ expect resp.http.X-Cache-Hit == 1
+
+
+ # Multiple Accept-encoding headers
+ txreq -url "/multiple_headers" \
+ -hdr "Accept-Encoding: gzip" \
+ -hdr "Accept-Encoding: br, deflate"
+ rxresp
+ expect resp.status == 200
+ expect resp.bodylen == 155
+ expect resp.http.X-Cache-Hit == 0
+
+ txreq -url "/multiple_headers" \
+ -hdr "Accept-Encoding: deflate" \
+ -hdr "Accept-Encoding: br,gzip"
+ rxresp
+ expect resp.status == 200
+ expect resp.bodylen == 155
+ expect resp.http.X-Cache-Hit == 1
+
+ # Should not match a cache entry
+ txreq -url "/multiple_headers" \
+ -hdr "Accept-Encoding: first_encoding"
+ rxresp
+ expect resp.status == 200
+ expect resp.bodylen == 166
+ expect resp.http.X-Cache-Hit == 0
+
+ # Too many accept encodings
+ txreq -url "/too_many_encodings" \
+ -hdr "Accept-Encoding: a1,a2,a3,a4,a5,a6,a7,a8,a9,a10,a11,a12,a13,a14,a15,a16,a17"
+ rxresp
+ expect resp.status == 200
+ expect resp.bodylen == 177
+ expect resp.http.X-Cache-Hit == 0
+
+ txreq -url "/too_many_encodings" \
+ -hdr "Accept-Encoding: a1,a2,a3,a4,a5,a6,a7,a8,a9,a10,a11,a12,a13,a14,a15,a16,a17"
+ rxresp
+ expect resp.status == 200
+ expect resp.bodylen == 188
+ expect resp.http.X-Cache-Hit == 0
+
+ # A missing 'Accept-Encoding' implies that anything is acceptable,
+ # while an empty 'Accept-Encoding' implies nothing is acceptable.
+
+ # Start by caching a gzip response.
+ txreq -url "/empty-vs-missing" -hdr "Accept-Encoding: gzip"
+ rxresp
+ expect resp.status == 200
+ expect resp.bodylen == 234
+ expect resp.http.content-encoding == "gzip"
+ expect resp.http.X-Cache-Hit == 0
+
+ # Check that it is cached.
+ txreq -url "/empty-vs-missing" -hdr "Accept-Encoding: gzip"
+ rxresp
+ expect resp.status == 200
+ expect resp.bodylen == 234
+ expect resp.http.content-encoding == "gzip"
+ expect resp.http.X-Cache-Hit == 1
+
+ # Check that the cached response is returned when no accept-encoding is
+ # specified.
+ txreq -url "/empty-vs-missing"
+ rxresp
+ expect resp.status == 200
+ expect resp.bodylen == 234
+ expect resp.http.content-encoding == "gzip"
+ expect resp.http.X-Cache-Hit == 1
+
+ # Check that the cached response is not returned when an empty
+ # accept-encoding is specified.
+ txreq -url "/empty-vs-missing" -hdr "Accept-Encoding:"
+ rxresp
+ expect resp.status == 200
+ expect resp.bodylen == 256
+ expect resp.http.content-encoding == "<undef>"
+ expect resp.http.X-Cache-Hit == 0
+
+ # The following requests are treated by a backend that does not cache
+ # responses containing a Vary header
+ txreq -url "/no_vary_support"
+ rxresp
+ expect resp.status == 200
+ expect resp.bodylen == 57
+ expect resp.http.X-Cache-Hit == 0
+
+ txreq -url "/no_vary_support"
+ rxresp
+ expect resp.status == 200
+ expect resp.bodylen == 57
+ expect resp.http.X-Cache-Hit == 0
+
+
+} -run