🐶 重构部分用户数据库操作代码

server/term/ssh.go

@@ -0,0 +1,54 @@
+package term
+
+import (
+	"fmt"
+	"time"
+
+	"golang.org/x/crypto/ssh"
+)
+
+func NewSshClient(ip string, port int, username, password, privateKey, passphrase string) (*ssh.Client, error) {
+	var authMethod ssh.AuthMethod
+	if username == "-" || username == "" {
+		username = "root"
+	}
+	if password == "-" {
+		password = ""
+	}
+	if privateKey == "-" {
+		privateKey = ""
+	}
+	if passphrase == "-" {
+		passphrase = ""
+	}
+
+	var err error
+	if privateKey != "" {
+		var key ssh.Signer
+		if len(passphrase) > 0 {
+			key, err = ssh.ParsePrivateKeyWithPassphrase([]byte(privateKey), []byte(passphrase))
+			if err != nil {
+				return nil, err
+			}
+		} else {
+			key, err = ssh.ParsePrivateKey([]byte(privateKey))
+			if err != nil {
+				return nil, err
+			}
+		}
+		authMethod = ssh.PublicKeys(key)
+	} else {
+		authMethod = ssh.Password(password)
+	}
+
+	config := &ssh.ClientConfig{
+		Timeout:         1 * time.Second,
+		User:            username,
+		Auth:            []ssh.AuthMethod{authMethod},
+		HostKeyCallback: ssh.InsecureIgnoreHostKey(),
+	}
+
+	addr := fmt.Sprintf("%s:%d", ip, port)
+
+	return ssh.Dial("tcp", addr, config)
+}