From ff05d62013906f3086b452bfeda3e0d5b9b7a541 Mon Sep 17 00:00:00 2001
From: tjpcc <tjp@ctrl-c.club>
Date: Mon, 9 Jan 2023 16:40:24 -0700
Subject: Initial commit.

some basics:
 - minimal README
 - some TODOs
 - server and request handler framework
 - contribs: file serving, request logging
 - server examples
 - CI setup
---
 examples/fileserver/main.go | 60 +++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 60 insertions(+)
 create mode 100644 examples/fileserver/main.go

(limited to 'examples/fileserver/main.go')

diff --git a/examples/fileserver/main.go b/examples/fileserver/main.go
new file mode 100644
index 0000000..01d22ee
--- /dev/null
+++ b/examples/fileserver/main.go
@@ -0,0 +1,60 @@
+package main
+
+import (
+	"context"
+	"log"
+	"net"
+	"os"
+
+	"tildegit.org/tjp/gus/contrib/fs"
+	guslog "tildegit.org/tjp/gus/contrib/log"
+	"tildegit.org/tjp/gus/gemini"
+)
+
+func main() {
+	// Get TLS files from the environment
+	certfile, keyfile := envConfig()
+
+	// build a TLS configuration suitable for gemini
+	tlsconf, err := gemini.FileTLS(certfile, keyfile)
+	if err != nil {
+		log.Fatal(err)
+	}
+
+	// set up the network listen
+	listener, err := net.Listen("tcp4", ":1965")
+	if err != nil {
+		log.Fatal(err)
+	}
+
+	// build the request handler
+	fileSystem := os.DirFS(".")
+	// Fallthrough tries each handler in succession until it gets something other than "51 Not Found"
+	handler := gemini.Fallthrough(
+		// first see if they're fetching a directory and we have <dir>/index.gmi
+		fs.DirectoryDefault(fileSystem, "index.gmi"),
+		// next (still if they requested a directory) build a directory listing response
+		fs.DirectoryListing(fileSystem, nil),
+		// finally, try to find a file at the request path and respond with that
+		fs.FileHandler(fileSystem),
+	)
+	// add request logging to stdout
+	handler = guslog.Requests(os.Stdout, nil)(handler)
+
+	// run the server
+	gemini.NewServer(context.Background(), tlsconf, listener, handler).Serve()
+}
+
+func envConfig() (string, string) {
+	certfile, ok := os.LookupEnv("SERVER_CERTIFICATE")
+	if !ok {
+		log.Fatal("missing SERVER_CERTIFICATE environment variable")
+	}
+
+	keyfile, ok := os.LookupEnv("SERVER_PRIVATEKEY")
+	if !ok {
+		log.Fatal("missing SERVER_PRIVATEKEY environment variable")
+	}
+
+	return certfile, keyfile
+}
-- 
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