1 files changed, 0 insertions, 61 deletions
diff --git a/ssh/server/publickeycallback.go b/ssh/server/publickeycallback.go
deleted file mode 100644
index 867f639..0000000
--- a/ssh/server/publickeycallback.go
+++ /dev/null
@@ -1,61 +0,0 @@
-package server
-
-import (
-	"dtail/config"
-	"dtail/logger"
-	"dtail/server/user"
-	"fmt"
-	"io/ioutil"
-	"os"
-	osUser "os/user"
-
-	gossh "golang.org/x/crypto/ssh"
-)
-
-// PublicKeyCallback is for the server to check whether a public SSH key is authorized ot not.
-func PublicKeyCallback(c gossh.ConnMetadata, pubKey gossh.PublicKey) (*gossh.Permissions, error) {
-	user := user.New(c.User(), c.RemoteAddr().String())
-	logger.Info(user, "Incoming authorization")
-
-	cwd, err := os.Getwd()
-	if err != nil {
-		return nil, fmt.Errorf("Unable to get current working directory|%s|", err.Error())
-	}
-
-	authorizedKeysFile := fmt.Sprintf("%s/%s/%s.authorized_keys", cwd, config.Common.CacheDir, user.Name)
-	if _, err := os.Stat(authorizedKeysFile); os.IsNotExist(err) {
-		user, err := osUser.Lookup(user.Name)
-		if err != nil {
-			return nil, fmt.Errorf("Unable to authorize|%s|%s|", user, err.Error())
-		}
-		// Fallback to ~
-		authorizedKeysFile = user.HomeDir + "/.ssh/authorized_keys"
-	}
-
-	logger.Info(user, "Reading", authorizedKeysFile)
-	authorizedKeysBytes, err := ioutil.ReadFile(authorizedKeysFile)
-	if err != nil {
-		return nil, fmt.Errorf("Unable to read authorized keys file|%s|%s|%s", authorizedKeysFile, user, err.Error())
-	}
-
-	authorizedKeysMap := map[string]bool{}
-	for len(authorizedKeysBytes) > 0 {
-		pubKey, _, _, rest, err := gossh.ParseAuthorizedKey(authorizedKeysBytes)
-		if err != nil {
-			return nil, fmt.Errorf("Unable to parse authorized keys bytes|%s|%s", user, err.Error())
-		}
-		authorizedKeysMap[string(pubKey.Marshal())] = true
-		authorizedKeysBytes = rest
-	}
-
-	if authorizedKeysMap[string(pubKey.Marshal())] {
-		logger.Debug("Public key fingerprint", gossh.FingerprintSHA256(pubKey), user)
-		return &gossh.Permissions{
-			Extensions: map[string]string{
-				"pubkey-fp": gossh.FingerprintSHA256(pubKey),
-			},
-		}, nil
-	}
-
-	return nil, fmt.Errorf("Unknown public key|%s", user)
-}