From c4520f2c84c0d4555bdb02f4ec7b2d1a8bdefca2 Mon Sep 17 00:00:00 2001
From: Brian Picciano <mediocregopher@gmail.com>
Date: Mon, 23 Jan 2023 16:02:35 +0100
Subject: Automatically bridge gemini links to a gateway on http site

---
 src/http/http.go | 11 +++++++++++
 1 file changed, 11 insertions(+)

(limited to 'src/http/http.go')

diff --git a/src/http/http.go b/src/http/http.go
index da39374..98cdde3 100644
--- a/src/http/http.go
+++ b/src/http/http.go
@@ -56,12 +56,17 @@ type Params struct {
 	// AuthRatelimit indicates how much time must pass between subsequent auth
 	// attempts.
 	AuthRatelimit time.Duration
+
+	// GeminiGatewayURL will be used to translate links for `gemini://` into
+	// `http(s)://`. See gmi.GemtextToMarkdown.
+	GeminiGatewayURL *url.URL
 }
 
 // SetupCfg implement the cfg.Cfger interface.
 func (p *Params) SetupCfg(cfg *cfg.Cfg) {
 
 	publicURLStr := cfg.String("http-public-url", "http://localhost:4000", "URL this service is accessible at")
+	geminiGatewayURLStr := cfg.String("http-gemini-gateway-url", "", "Optional URL to prefix to all gemini:// links, to make them accessible over https")
 
 	cfg.StringVar(&p.ListenProto, "http-listen-proto", "tcp", "Protocol to listen for HTTP requests with")
 	cfg.StringVar(&p.ListenAddr, "http-listen-addr", ":4000", "Address/unix socket path to listen for HTTP requests on")
@@ -87,6 +92,12 @@ func (p *Params) SetupCfg(cfg *cfg.Cfg) {
 			return fmt.Errorf("parsing -http-public-url: %w", err)
 		}
 
+		if *geminiGatewayURLStr != "" {
+			if p.GeminiGatewayURL, err = url.Parse(*geminiGatewayURLStr); err != nil {
+				return fmt.Errorf("parsing -http-gemini-gateway-url: %w", err)
+			}
+		}
+
 		return nil
 	})
 }
-- 
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