From c07604c685a5be04d1403138b5bc56641c48128f Mon Sep 17 00:00:00 2001
From: Henrique Dias <hacdias@gmail.com>
Date: Fri, 8 Sep 2023 15:59:39 +0200
Subject: [PATCH] feat: test redirects file and if-none-match header

---
 fixtures/redirects_file/README.md         |  22 ++++++++-
 fixtures/redirects_file/dnslink.yml       |   9 ++--
 fixtures/redirects_file/redirects-spa.car | Bin 0 -> 360 bytes
 tests/redirects_file_test.go              |  52 ++++++++++++++++++++++
 4 files changed, 79 insertions(+), 4 deletions(-)
 create mode 100644 fixtures/redirects_file/redirects-spa.car

diff --git a/fixtures/redirects_file/README.md b/fixtures/redirects_file/README.md
index 9d56fb5cf..fb1613739 100644
--- a/fixtures/redirects_file/README.md
+++ b/fixtures/redirects_file/README.md
@@ -9,4 +9,24 @@ See comments in the yml file.
 
 ### [redirects.car](./redirects.car)
 
-Fixtures based on [specs.ipfs.tech/http-gateways/web-redirects-file/#test-fixtures](https://specs.ipfs.tech/http-gateways/web-redirects-file/#test-fixtures) and [IPIP-0002](https://specs.ipfs.tech/ipips/ipip-0002/)
\ No newline at end of file
+Fixtures based on [specs.ipfs.tech/http-gateways/web-redirects-file/#test-fixtures](https://specs.ipfs.tech/http-gateways/web-redirects-file/#test-fixtures) and [IPIP-0002](https://specs.ipfs.tech/ipips/ipip-0002/)
+
+### [redirects-spa.car](./redirects-spa.car)
+
+```sh
+ipfs version
+# ipfs version 0.22.0
+REDIRECTS=$(cat <<-EOF
+# Map SPA routes to the main index HTML file.
+/* /index.html 200
+EOF
+)
+REDIRECTS_CID=$(echo $REDIRECTS | ipfs add --cid-version=1 -q)
+HELLO_CID=$(echo "hello world" | ipfs add --cid-version=1 -q)
+ipfs files mkdir -p --cid-version 1 /redirects-spa
+ipfs files cp /ipfs/$REDIRECTS_CID "/redirects-spa/_redirects"
+ipfs files cp /ipfs/$HELLO_CID "/redirects-spa/index.html"
+ipfs files ls -l
+# Manually CID of "redirects-spa" and then...
+ipfs dag export $CID
+```
diff --git a/fixtures/redirects_file/dnslink.yml b/fixtures/redirects_file/dnslink.yml
index 15be77219..f5fb2cde9 100644
--- a/fixtures/redirects_file/dnslink.yml
+++ b/fixtures/redirects_file/dnslink.yml
@@ -2,6 +2,9 @@
 dnslinks:
   custom-dnslink:
     subdomain: dnslink-enabled-on-fqdn
-    # this is the cid of the folder
-    # ./redirects.car:/examples/
-    path: /ipfs/QmYBhLYDwVFvxos9h8CGU2ibaY66QNgv8hpfewxaQrPiZj
\ No newline at end of file
+    # cid of ./redirects.car:/examples/
+    path: /ipfs/QmYBhLYDwVFvxos9h8CGU2ibaY66QNgv8hpfewxaQrPiZj
+  dnslink-spa:
+    subdomain: dnslink-enabled-with-spa
+    # cid of ./redirects-spa.car
+    path: /ipfs/bafybeib5lboymwd6p2eo4qb2lkueaine577flvsjjeuevmp2nlio72xv5q
diff --git a/fixtures/redirects_file/redirects-spa.car b/fixtures/redirects_file/redirects-spa.car
new file mode 100644
index 0000000000000000000000000000000000000000..b92b253991c300332a456410a770b9355972bca9
GIT binary patch
literal 360
zcmcColv<RZUsBw7Ln}g+fw4eH!8RhcEuyZj<DG+5)Cvd1CGY=*Ui0+S@Y?t*>%#k2
zU*Dvcr4|)u=I1d^VI)SmkO`LxW2lgV)iJIn3I2n>3cqYs`NaH8<#v`+tM856a*vLM
z&cZ^S)<RtIMX4#7MXAXp#S)G%T`N5%`0Mk#&+c!Wp6P8M;mxae@!(l4xdXpjFU?#y
zX^FcKS7u&HYK2}#Np6k=4;K>$V=6J0DJ%FU7AOP<I4Tt7mzJa!E0p9blw_nT<R)h3
wDS%B>@CfnsQAo?oN!8=h*HX|&SfgNMV8CSnvW1Z2GE#GL@)gSSi*i!90HeZ;ssI20

literal 0
HcmV?d00001

diff --git a/tests/redirects_file_test.go b/tests/redirects_file_test.go
index af1c85c9a..b2af62f24 100644
--- a/tests/redirects_file_test.go
+++ b/tests/redirects_file_test.go
@@ -278,3 +278,55 @@ func TestRedirectsFileSupportWithDNSLink(t *testing.T) {
 
 	RunWithSpecs(t, helpers.UnwrapSubdomainTests(t, tests), specs.DNSLinkGateway, specs.RedirectsFile)
 }
+
+func TestRedirectsFileWithIfNoneMatchHeader(t *testing.T) {
+	fixture := car.MustOpenUnixfsCar("redirects_file/redirects-spa.car")
+
+	dnsLinks := dnslink.MustOpenDNSLink("redirects_file/dnslink.yml")
+	dnsLink := dnsLinks.MustGet("dnslink-spa")
+
+	gatewayURL := SubdomainGatewayURL
+	u, err := url.Parse(gatewayURL)
+	if err != nil {
+		t.Fatal(err)
+	}
+
+	pageURL := Fmt("{{scheme}}://{{dnslink}}.{{host}}/missing-page", u.Scheme, dnsLink, u.Host)
+
+	var etag string
+
+	RunWithSpecs(t, helpers.UnwrapSubdomainTests(t, SugarTests{
+		{
+			Name: "request for $DNSLINK_FQDN/missing-page returns body of index.html as per _redirects",
+			Request: Request().
+				URL(pageURL).
+				Headers(
+					Header("Accept", "text/html"),
+				),
+			Response: Expect().
+				Status(200).
+				Headers(
+					Header("Etag").
+						Checks(func(v string) bool {
+							etag = v
+							return v != ""
+						}),
+				).
+				Body(fixture.MustGetRawData("index.html")),
+		},
+	}), specs.DNSLinkGateway, specs.RedirectsFile)
+
+	RunWithSpecs(t, helpers.UnwrapSubdomainTests(t, SugarTests{
+		{
+			Name: "request for $DNSLINK_FQDN/missing-page with If-None-Match returns 301",
+			Request: Request().
+				URL(pageURL).
+				Headers(
+					Header("Accept", "text/html"),
+					Header("If-None-Match", etag),
+				),
+			Response: Expect().
+				Status(304),
+		},
+	}), specs.DNSLinkGateway, specs.RedirectsFile)
+}