fix(gw): links in CID column on dir listing

This switches go-ipfs to dir-index-html after
https://github.com/ipfs/dir-index-html/pull/43
got merged to master

assets/bindata_version_hash.go

@@ -2,5 +2,5 @@
 package assets
 
 const (
-	BindataVersionHash = "514e5ae28d8adb84955801b56ef47aca44bf9cc8"
+	BindataVersionHash = "605b5945438e1fe2eaf8a6571cca7ecda12d5599"
 )

core/corehttp/gateway_handler.go

@@ -391,13 +391,16 @@ func (i *gatewayHandler) getOrHeadHandler(w http.ResponseWriter, r *http.Request
 		gwURL = ""
 	}
 
+	dnslink := hasDNSLinkOrigin(gwURL, urlPath)
+
 	// See comment above where originalUrlPath is declared.
 	tplData := listingTemplateData{
 		GatewayURL:  gwURL,
+		DNSLink:     dnslink,
 		Listing:     dirListing,
 		Size:        size,
 		Path:        urlPath,
-		Breadcrumbs: breadcrumbs(urlPath, gwURL),
+		Breadcrumbs: breadcrumbs(urlPath, dnslink),
 		BackLink:    backLink,
 		Hash:        hash,
 	}

core/corehttp/gateway_indexPage.go

@@ -13,6 +13,7 @@ import (
 // structs for directory listing
 type listingTemplateData struct {
 	GatewayURL  string
+	DNSLink     bool
 	Listing     []directoryItem
 	Size        string
 	Path        string
@@ -34,7 +35,7 @@ type breadcrumb struct {
 	Path string
 }
 
-func breadcrumbs(urlPath string, gwRootURL string) []breadcrumb {
+func breadcrumbs(urlPath string, dnslinkOrigin bool) []breadcrumb {
 	var ret []breadcrumb
 
 	p, err := ipfspath.ParsePath(urlPath)
@@ -43,7 +44,6 @@ func breadcrumbs(urlPath string, gwRootURL string) []breadcrumb {
 		return ret
 	}
 	segs := p.Segments()
-	ns := segs[0]
 	contentRoot := segs[1]
 	for i, seg := range segs {
 		if i == 0 {
@@ -56,10 +56,11 @@ func breadcrumbs(urlPath string, gwRootURL string) []breadcrumb {
 		}
 	}
 
-	// Drop the /ipns/<fqdn> prefix from breadcrumb Paths when directory listing
-	// on a DNSLink website (loaded due to Host header in HTTP request).
-	// Necessary because gwRootURL won't have a public gateway mounted.
-	if ns == "ipns" && (("//" + contentRoot) == gwRootURL) {
+	// Drop the /ipns/<fqdn> prefix from breadcrumb Paths when directory
+	// listing on a DNSLink website (loaded due to Host header in HTTP
+	// request).  Necessary because the hostname most likely won't have a
+	// public gateway mounted.
+	if dnslinkOrigin {
 		prefix := "/ipns/" + contentRoot
 		for i, crumb := range ret {
 			if strings.HasPrefix(crumb.Path, prefix) {
@@ -77,6 +78,16 @@ func shortHash(hash string) string {
 	return (hash[0:4] + "\u2026" + hash[len(hash)-4:])
 }
 
+// helper to detect DNSLink website context
+// (when hostname from gwURL is matching /ipns/<fqdn> in path)
+func hasDNSLinkOrigin(gwURL string, path string) bool {
+	if gwURL != "" {
+		dnslinkRoot := strings.Replace(gwURL, "//", "/ipns/", 1)
+		return strings.HasPrefix(path, dnslinkRoot)
+	}
+	return false
+}
+
 var listingTemplate *template.Template
 
 func init() {