all repos — gomod-index @ f80a85811342f014532d8ef191538c836b25d19d

simple go get handler 

init
la-ninpre aaoth@aaoth.xyz
Fri, 01 Dec 2023 17:08:43 +0300
commit

f80a85811342f014532d8ef191538c836b25d19d

5 files changed, 119 insertions(+), 0 deletions(-)

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A .gitignore 
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+gomod-index
A LICENCE 
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+ISC License
+
+Copyright (c) 2020-2022 la-ninpre
+
+Permission to use, copy, modify, and/or distribute this software for any
+purpose with or without fee is hereby granted, provided that the above
+copyright notice and this permission notice appear in all copies.
+
+THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES WITH
+REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
+AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT,
+INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
+LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR
+OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
+PERFORMANCE OF THIS SOFTWARE.
A README.md 
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+# gomod-index
+
+simple and stupid go module thingy.
+
+## usage
+
+```
+$ gomod-index -l "<listen on>" -m "<mod root>" -g "<repo root>"
+...
+```
+this will listen on "liten on" and will redirect
+go get requests to "<mod root>/mod" to git repo at "<repo root>/mod".
+
+## licence
+
+ISC (see 'LICENCE').
A go.mod 
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+module aaoth.xyz/la-ninpre/gomod-index
+
+go 1.21.4
A main.go 
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+package main
+
+import (
+	"flag"
+	"html/template"
+	"log"
+	"net/http"
+	"net/url"
+	"strings"
+)
+
+var (
+	lFlag = flag.String("l", ":8080", "address and port to listen")
+	mFlag = flag.String("m", "aaoth.xyz", "module root path")
+	gFlag = flag.String("g", "https://git.aaoth.xyz", "repository root path")
+)
+
+const indexTmpl = `<!DOCTYPE html>
+<html lang="en">
+<head>
+<title>aaoth.xyz go</title>
+<meta charset="utf-8">
+<meta name="go-import" content="{{.Mod}} git {{.Repo}}">
+<meta http-equiv="refresh" content="0; url={{.Repo}}">
+</head>
+<body>
+<p>redirecting to <a href="{{.Repo}}">repository</a>...</p>
+</body>
+</html>`
+
+var t = template.Must(template.New("index").Parse(indexTmpl))
+
+type Data struct {
+	Mod  string
+	Repo string
+}
+
+func indexHandler(w http.ResponseWriter, req *http.Request) {
+	err := req.ParseForm()
+	if err != nil {
+		log.Println("parse form:", err)
+		http.Error(w, "bad request", http.StatusBadRequest)
+		return
+	}
+	if goGet, ok := req.Form["go-get"]; !ok || len(goGet) < 1 || goGet[0] != "1" {
+		http.Error(w, "bad request", http.StatusBadRequest)
+		return
+	}
+	path := strings.Trim(req.URL.EscapedPath(), "/")
+	parts := strings.Split(path, "/")
+	if len(parts) < 2 {
+		log.Println("requested", req.RequestURI, "got", parts)
+		http.Error(w, "bad request", http.StatusBadRequest)
+		return
+	}
+	mod, err := url.JoinPath(*mFlag, parts[0], parts[1])
+	if err != nil {
+		log.Println("url join:", err)
+		http.Error(w, "internal server error", http.StatusInternalServerError)
+		return
+	}
+	repo, err := url.JoinPath(*gFlag, parts[0], parts[1])
+	if err != nil {
+		log.Println("url join:", err)
+		http.Error(w, "internal server error", http.StatusInternalServerError)
+		return
+	}
+	data := Data{mod, repo}
+	err = t.ExecuteTemplate(w, "index", data)
+	if err != nil {
+		log.Println("url join:", err)
+		http.Error(w, "internal server error", http.StatusInternalServerError)
+		return
+	}
+	log.Println("go get", mod)
+}
+
+func main() {
+	flag.Parse()
+
+	mux := http.NewServeMux()
+	mux.HandleFunc("/", indexHandler)
+	log.Fatal(http.ListenAndServe(*lFlag, mux))
+}