varnishtest "Test HTTP response manipulation under the http-after-response rulesets"

# This config tests various http-after-response rules for HTTP responses from a
# server and the stats applet, but also for internal responses
# (deny/redirect/auth/return).

feature ignore_unknown_macro

server s1 {
        rxreq
        txresp \
          -status 234 \
          -hdr "hdr1: val1" \
          -hdr "hdr2:  val2a" \
          -hdr "hdr2:    val2b" \
          -hdr "hdr3:      val3a, val3b" \
          -hdr "hdr4:" \
          -body "This is a body"
} -repeat 2 -start

haproxy h1 -conf {
    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@${feh1}"

        http-request deny if { path /deny }
        http-request redirect location / if { path /redir }
        http-request auth if { path /auth }

	http-after-response allow if { status eq 403 }
	http-after-response allow if { status eq 302 }
	http-after-response allow if { status eq 401 }

        http-after-response set-header    be-sl1   "%[res.fhdr(sl1)]"
        http-after-response set-header    be-sl2   "%[res.fhdr(sl2)]"
        http-after-response set-header    be-hdr   "%[res.fhdr(hdr)]"

        http-after-response set-header  be-sl1-crc "%[res.fhdr(sl1-crc)]"
        http-after-response set-header  be-sl2-crc "%[res.fhdr(sl2-crc)]"
        http-after-response set-header  be-hdr-crc "%[res.fhdr(hdr-crc)]"

        http-after-response set-var(res.status)    status
        http-after-response set-header    sl1      "sl1: "

        http-after-response set-status    200

        http-after-response set-header    sl2      "sl2: "

        http-after-response set-header    sl1      "%[res.fhdr(sl1)] status=<%[var(res.status)]>;"
        http-after-response set-header    sl2      "%[res.fhdr(sl2)] status=<%[status]>;"
        http-after-response set-header    hdr      "%[res.fhdr(hdr)] hdr1=<%[res.hdr(hdr1)]>; fhdr1=<%[res.fhdr(hdr1)]>;"
        http-after-response set-header    hdr      "%[res.fhdr(hdr)] hdr2=<%[res.hdr(hdr2)]>; fhdr2=<%[res.fhdr(hdr2)]>;"
        http-after-response set-header    hdr      "%[res.fhdr(hdr)] hdr3=<%[res.hdr(hdr3)]>; fhdr3=<%[res.fhdr(hdr3)]>;"
        http-after-response set-header    hdr      "%[res.fhdr(hdr)] hdr4=<%[res.hdr(hdr4)]>; fhdr4=<%[res.fhdr(hdr4)]>;"

        http-after-response set-header  fe-sl1-crc "%[res.fhdr(sl1),crc32]"
        http-after-response set-header  fe-sl2-crc "%[res.fhdr(sl2),crc32]"
        http-after-response set-header  fe-hdr-crc "%[res.fhdr(hdr),crc32]"

        default_backend be

    backend be
        stats enable
        stats uri /stats

	http-request return status 234 content-type "text/plain" string "This is a body" if { path /return }

	http-response deny if { capture.req.uri /deny-srv }

	http-after-response allow if { status eq 502 }

        http-after-response set-status 234                if { capture.req.uri /stats }
        http-after-response add-header hdr1 val1           unless { capture.req.uri / }
        http-after-response add-header hdr2 val2a          unless { capture.req.uri / }
        http-after-response add-header hdr2 val2b          unless { capture.req.uri / }
        http-after-response add-header hdr3 "val3a, val3b" unless { capture.req.uri / }
        http-after-response add-header hdr4 "%[str()]"     unless { capture.req.uri / }
	http-after-response del-header content-type

        http-after-response set-var(res.status)    status
        http-after-response set-header     sl1     "sl1: "

        http-after-response set-status     200

        http-after-response set-header     sl2     "sl2: "

        http-after-response set-header     sl1     "%[res.fhdr(sl1)] status=<%[var(res.status)]>;"
        http-after-response set-header     sl2     "%[res.fhdr(sl2)] status=<%[status]>;"
        http-after-response set-header     hdr     "%[res.fhdr(hdr)] hdr1=<%[res.hdr(hdr1)]>; fhdr1=<%[res.fhdr(hdr1)]>;"
        http-after-response set-header     hdr     "%[res.fhdr(hdr)] hdr2=<%[res.hdr(hdr2)]>; fhdr2=<%[res.fhdr(hdr2)]>;"
        http-after-response set-header     hdr     "%[res.fhdr(hdr)] hdr3=<%[res.hdr(hdr3)]>; fhdr3=<%[res.fhdr(hdr3)]>;"
        http-after-response set-header     hdr     "%[res.fhdr(hdr)] hdr4=<%[res.hdr(hdr4)]>; fhdr4=<%[res.fhdr(hdr4)]>;"

        http-after-response set-header     sl1-crc "%[res.fhdr(sl1),crc32]"
        http-after-response set-header     sl2-crc "%[res.fhdr(sl2),crc32]"
        http-after-response set-header     hdr-crc "%[res.fhdr(hdr),crc32]"

        server s1 ${s1_addr}:${s1_port}
} -start

client c1 -connect ${h1_feh1_sock} {
        txreq -req GET -url /
        rxresp
        expect resp.status == 200
        expect resp.http.be-sl1-crc == 487202719
        expect resp.http.be-sl2-crc == 561949791
        expect resp.http.be-hdr-crc == 1719311923
        expect resp.http.fe-sl1-crc == 146151597
        expect resp.http.fe-sl2-crc == 561949791
        expect resp.http.fe-hdr-crc == 3634102538
        expect resp.http.content-type == <undef>
        expect resp.bodylen == 14
        expect resp.body == "This is a body"

        txreq -req GET -url /return
        rxresp
        expect resp.status == 200
        expect resp.http.be-sl1-crc == 487202719
        expect resp.http.be-sl2-crc == 561949791
        expect resp.http.be-hdr-crc == 1719311923
        expect resp.http.fe-sl1-crc == 146151597
        expect resp.http.fe-sl2-crc == 561949791
        expect resp.http.fe-hdr-crc == 3634102538
        expect resp.http.content-type == <undef>
        expect resp.bodylen == 14
        expect resp.body == "This is a body"

        txreq -req GET -url /stats
        rxresp
        expect resp.status == 200
        expect resp.http.be-sl1-crc == 487202719
        expect resp.http.be-sl2-crc == 561949791
        expect resp.http.be-hdr-crc == 1719311923
        expect resp.http.fe-sl1-crc == 146151597
        expect resp.http.fe-sl2-crc == 561949791
        expect resp.http.fe-hdr-crc == 3634102538
        expect resp.http.content-type == <undef>
} -run

client c2 -connect ${h1_feh1_sock} {
        txreq -req GET -url /deny
        rxresp
        expect resp.status == 403
        expect resp.http.be-sl1 == <undef>
        expect resp.http.be-sl2 == <undef>
        expect resp.http.be-hdr == <undef>
        expect resp.http.sl1 == <undef>
        expect resp.http.sl2 == <undef>
        expect resp.http.hdr == <undef>
} -run

client c3 -connect ${h1_feh1_sock} {
        txreq -req GET -url /redir
        rxresp
        expect resp.status == 302
        expect resp.http.be-sl1 == <undef>
        expect resp.http.be-sl2 == <undef>
        expect resp.http.be-hdr == <undef>
        expect resp.http.sl1 == <undef>
        expect resp.http.sl2 == <undef>
        expect resp.http.hdr == <undef>
} -run

client c4 -connect ${h1_feh1_sock} {
        txreq -req GET -url /auth
        rxresp
        expect resp.status == 401
        expect resp.http.be-sl1 == <undef>
        expect resp.http.be-sl2 == <undef>
        expect resp.http.be-hdr == <undef>
        expect resp.http.sl1 == <undef>
        expect resp.http.sl2 == <undef>
        expect resp.http.hdr == <undef>
} -run

client c5 -connect ${h1_feh1_sock} {
        txreq -req GET -url /deny-srv
        rxresp
        expect resp.status == 200
        expect resp.http.be-sl1 == ""
        expect resp.http.be-sl2 == ""
        expect resp.http.be-hdr == ""
        expect resp.http.fe-sl1-crc == 3104968915
        expect resp.http.fe-sl2-crc == 561949791
        expect resp.http.fe-hdr-crc == 623352154
} -run