From 927dfd29c598f2ec79fec711877bc582ffd18749 Mon Sep 17 00:00:00 2001
From: adnano <me@adnano.co>
Date: Fri, 25 Sep 2020 23:06:54 -0400
Subject: Refactor TOFU

---
 gemini.go | 52 ----------------------------------------------------
 1 file changed, 52 deletions(-)

(limited to 'gemini.go')

diff --git a/gemini.go b/gemini.go
index 5b95b6a..ccdb5df 100644
--- a/gemini.go
+++ b/gemini.go
@@ -1,13 +1,5 @@
 package gemini
 
-import (
-	"crypto/x509"
-	"errors"
-	"log"
-	"os"
-	"path/filepath"
-)
-
 // Status codes.
 const (
 	StatusInput                     = 10
@@ -43,47 +35,3 @@ const (
 var (
 	crlf = []byte("\r\n")
 )
-
-// TOFUClient is a client that implements Trust-On-First-Use.
-type TOFUClient struct {
-	// Trusts, if not nil, will be called to determine whether the client should
-	// trust the provided certificate.
-	Trusts func(cert *x509.Certificate, req *Request) bool
-}
-
-func (t *TOFUClient) VerifyCertificate(cert *x509.Certificate, req *Request) error {
-	if knownHosts.Has(req.URL.Host, cert) {
-		return nil
-	}
-	if t.Trusts != nil && t.Trusts(cert, req) {
-		host := NewKnownHost(cert)
-		knownHosts = append(knownHosts, host)
-		knownHostsFile, err := os.OpenFile(knownHostsPath, os.O_CREATE|os.O_APPEND|os.O_WRONLY, 0644)
-		if err != nil {
-			log.Print(err)
-		}
-		if _, err := host.Write(knownHostsFile); err != nil {
-			log.Print(err)
-		}
-		return nil
-	}
-	return errors.New("gemini: certificate not trusted")
-}
-
-var (
-	knownHosts     KnownHosts
-	knownHostsPath string
-	knownHostsFile *os.File
-)
-
-func init() {
-	configDir, err := os.UserConfigDir()
-	knownHostsPath = filepath.Join(configDir, "gemini")
-	os.MkdirAll(knownHostsPath, 0755)
-	knownHostsPath = filepath.Join(knownHostsPath, "known_hosts")
-	knownHostsFile, err = os.OpenFile(knownHostsPath, os.O_CREATE|os.O_RDONLY, 0644)
-	if err != nil {
-		return
-	}
-	knownHosts = ParseKnownHosts(knownHostsFile)
-}
-- 
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