]> Sergey Matveev's repositories - tofuproxy.git/blobdiff - rounds/gemini.go
Modern rand.Read never fails
[tofuproxy.git] / rounds / gemini.go
index b87c18a19f69a78785e73f8a5bfa05cc9f251589..42138767f18d8539bb33a8809e642aef03038a4d 100644 (file)
@@ -1,6 +1,6 @@
 // tofuproxy -- flexible HTTP/HTTPS proxy, TLS terminator, X.509 TOFU
 //              manager, WARC/geminispace browser
-// Copyright (C) 2021-2024 Sergey Matveev <stargrave@stargrave.org>
+// Copyright (C) 2021-2025 Sergey Matveev <stargrave@stargrave.org>
 //
 // This program is free software: you can redistribute it and/or modify
 // it under the terms of the GNU General Public License as published by
@@ -124,7 +124,7 @@ func RoundGemini(
                log.Printf("%s: can not read response: %+v\n", req.URL, err)
                return false, err
        }
-       cols := strings.SplitN(rawResp, " ", 2)
+       cols := strings.SplitN(strings.TrimRight(rawResp, "\r\n"), " ", 2)
        if len(cols) < 2 {
                err = fmt.Errorf("invalid response format: %s", rawResp)
                log.Printf("%s: %s\n", req.URL, err)
@@ -195,7 +195,8 @@ func RoundGemini(
                !strings.Contains(req.Header.Get("Accept"), ContentTypeGemini) {
                w.Header().Add("Content-Type", "text/html")
                w.WriteHeader(http.StatusOK)
-               raw, err := io.ReadAll(br)
+               var raw []byte
+               raw, err = io.ReadAll(br)
                if err != nil {
                        log.Printf("%s: can not read response body: %+v\n", req.URL, err)
                        return false, err
@@ -205,7 +206,7 @@ func RoundGemini(
 <html><head><title>%d (%s)</title></head><body>
 `, code, codeName)
                pre := false
-               for _, line := range strings.Split(string(raw), "\n") {
+               for line := range strings.SplitSeq(string(raw), "\n") {
                        if strings.HasPrefix(line, "```") {
                                if pre {
                                        buf.WriteString("</pre>\n")
@@ -222,18 +223,27 @@ func RoundGemini(
                        if strings.HasPrefix(line, "=>") {
                                line = strings.TrimLeft(line[2:], " ")
                                cols = strings.Fields(line)
-                               u := geminifyURL(host, cols[0], paths...)
+                               u1 := geminifyURL(host, cols[0], paths...)
+                               u2 := geminifyURL(host, cols[0])
                                switch len(cols) {
                                case 1:
                                        fmt.Fprintf(
-                                               &buf, "<a href=\"%s\">%s</a><br/>\n",
-                                               u, html.EscapeString(cols[0]),
+                                               &buf, "<a href=\"%s\">%s</a>",
+                                               u1, html.EscapeString(cols[0]),
                                        )
+                                       if u1 != u2 {
+                                               fmt.Fprintf(&buf, "&nbsp;<a href=\"%s\">[2]</a>", u2)
+                                       }
+                                       fmt.Fprintf(&buf, "<br/>\n")
                                default:
                                        fmt.Fprintf(
-                                               &buf, "<a href=\"%s\">%s</a> (<tt>%s</tt>)<br/>\n",
-                                               u, html.EscapeString(strings.Join(cols[1:], " ")), cols[0],
+                                               &buf, "<a href=\"%s\">%s</a>",
+                                               u1, html.EscapeString(strings.Join(cols[1:], " ")),
                                        )
+                                       if u1 != u2 {
+                                               fmt.Fprintf(&buf, "&nbsp;<a href=\"%s\">[2]</a>", u2)
+                                       }
+                                       fmt.Fprintf(&buf, "(<tt>%s</tt>)<br/>\n", cols[0])
                                }
                                continue
                        }