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80 lines
1.7 KiB
80 lines
1.7 KiB
package main
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import (
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"crypto/tls"
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"crypto/x509/pkix"
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"log"
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"time"
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"io"
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"strings"
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ipfs "github.com/ipfs/go-ipfs-api"
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html "github.com/LukeEmmet/html2gemini"
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"git.sr.ht/~adnano/go-gemini"
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"git.sr.ht/~adnano/go-gemini/certificate"
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)
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var shell = ipfs.NewShell("localhost:5001")
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func tryIPFS(path ...string) (io.ReadCloser, string, error) {
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var doc io.ReadCloser
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var err error
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for _, loc := range path {
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doc, err = shell.Cat(loc)
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if err == nil {
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return doc, loc, nil
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}
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}
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return doc, "", err
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}
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func handleIPFS(w *gemini.ResponseWriter, r *gemini.Request) {
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path := r.URL.Path
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doc, red, err := tryIPFS(path, path+"/index.gmi", path+"/index.html")
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if err != nil {
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w.Header(gemini.StatusNotFound, "Error requesting over IPFS: " + err.Error())
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return
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}
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defer doc.Close()
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if path != red {
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w.Header(gemini.StatusRedirect, red)
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return
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}
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if strings.HasSuffix(path, ".html") {
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gmi, err := html.FromReader(doc, html.TextifyTraverseContext{})
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if err == nil {
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io.WriteString(w, gmi)
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return
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}
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}
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io.Copy(w, doc)
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}
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func main() {
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var server gemini.Server
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server.ReadTimeout = 30 * time.Second
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server.WriteTimeout = 1 * time.Minute
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if err := server.Certificates.Load("./certs"); err != nil {
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log.Fatal(err)
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}
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server.CreateCertificate = func(hostname string) (tls.Certificate, error) {
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return certificate.Create(certificate.CreateOptions{
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Subject: pkix.Name{
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CommonName: hostname,
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},
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DNSNames: []string{hostname},
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Duration: 365 * 24 * time.Hour,
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})
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}
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var mux gemini.ServeMux
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mux.Handle("/", gemini.FileServer(gemini.Dir("./pages")))
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mux.HandleFunc("/ipfs/", handleIPFS)
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mux.HandleFunc("/ipns/", handleIPFS)
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server.Handle(":1965", &mux)
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if err := server.ListenAndServe(); err != nil {
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log.Fatal(err)
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}
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}
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