From c8e09a989dc607e6cd1fa6cb088d8b56f276ed55 Mon Sep 17 00:00:00 2001
From: bel <bel@bel.bel>
Date: Sat, 9 Jul 2022 15:21:11 -0600
Subject: [PATCH] add -ro for read-only tag

---
 main.go | 22 +++++++++++++---------
 1 file changed, 13 insertions(+), 9 deletions(-)

diff --git a/main.go b/main.go
index 50762ba..d23f54b 100755
--- a/main.go
+++ b/main.go
@@ -32,6 +32,7 @@ func main() {
 	fs = args.NewArgSet()
 	fs.Append(args.STRING, "p", "port to serve", "8100")
 	fs.Append(args.BOOL, "md", "whether to render markdown as html", true)
+	fs.Append(args.BOOL, "ro", "read only mode", false)
 	fs.Append(args.STRING, "md-css", "css to load for md", "/dev/null")
 	fs.Append(args.STRING, "md-class", "class to wrap md", "phb")
 	fs.Append(args.STRING, "d", "static path to serve", "./public")
@@ -41,6 +42,7 @@ func main() {
 
 	d := fs.Get("d").GetString()
 	md := fs.Get("md").GetBool()
+	ro := fs.Get("ro").GetBool()
 	mdCss := fs.Get("md-css").GetString()
 	mdClass := fs.Get("md-class").GetString()
 	if mdCss != "" {
@@ -89,15 +91,15 @@ func main() {
 	}
 	p := strings.TrimPrefix(fs.Get("p").GetString(), ":")
 
-	http.Handle("/", http.HandlerFunc(handler(d, md, mdCss, mdClass)))
+	http.Handle("/", http.HandlerFunc(handler(ro, d, md, mdCss, mdClass)))
 
 	log.Printf("Serving %s on HTTP port: %s\n", d, p)
 
 	log.Fatal(http.ListenAndServe(":"+p, nil))
 }
 
-func handler(d string, md bool, mdCss, mdClass string) http.HandlerFunc {
-	return gzip(endpoints(withDel(withMD(d, md, mdCss, mdClass, fserve(d)))))
+func handler(ro bool, d string, md bool, mdCss, mdClass string) http.HandlerFunc {
+	return gzip(endpoints(ro, withDel(ro, withMD(d, md, mdCss, mdClass, fserve(d)))))
 }
 
 func writeMeta(w http.ResponseWriter) {
@@ -129,17 +131,19 @@ func gzip(foo http.HandlerFunc) http.HandlerFunc {
 	}
 }
 
-func endpoints(foo http.HandlerFunc) http.HandlerFunc {
+func endpoints(ro bool, foo http.HandlerFunc) http.HandlerFunc {
 	return func(w http.ResponseWriter, r *http.Request) {
 		if isDir(r) {
 			writeMeta(w)
-			writeForm(w)
+			if !ro {
+				writeForm(w)
+			}
 		}
-		if isUploaded(r) {
+		if !ro && isUploaded(r) {
 			if err := upload(w, r); err != nil {
 				fmt.Fprintln(w, err.Error())
 			}
-		} else if isDeleted(r) {
+		} else if !ro && isDeleted(r) {
 			if err := del(w, r); err != nil {
 				fmt.Fprintln(w, err.Error())
 			}
@@ -198,7 +202,7 @@ func withMD(dir string, enabled bool, mdCss, mdClass string, foo http.HandlerFun
 	}
 }
 
-func withDel(foo http.HandlerFunc) http.HandlerFunc {
+func withDel(ro bool, foo http.HandlerFunc) http.HandlerFunc {
 	return func(w http.ResponseWriter, r *http.Request) {
 		if !isDir(r) {
 			foo(w, r)
@@ -210,7 +214,7 @@ func withDel(foo http.HandlerFunc) http.HandlerFunc {
 		b := bytes.Split(w2.Body.Bytes(), []byte("\n"))
 		buff := bytes.NewBuffer(nil)
 		for i := range b {
-			if bytes.Contains(b[i], []byte("<a href=")) {
+			if !ro && bytes.Contains(b[i], []byte("<a href=")) {
 				re := regexp.MustCompile(`href="[^"]*"`)
 				match := re.Find(b[i])
 				if len(match) > 0 {