Files
oneterm/backend/sshsrv/handler.go
2024-08-26 18:55:37 +08:00

79 lines
1.9 KiB
Go

package sshsrv
import (
"fmt"
"net/http"
"net/url"
tea "github.com/charmbracelet/bubbletea"
"github.com/fatih/color"
"github.com/getwe/figlet4go"
"github.com/gin-gonic/gin"
"github.com/gliderlabs/ssh"
"go.uber.org/zap"
gossh "golang.org/x/crypto/ssh"
"github.com/veops/oneterm/logger"
)
func handler(sess ssh.Session) {
pty, _, isPty := sess.Pty()
if !isPty {
logger.L().Error("not a pty request")
return
}
ctx := &gin.Context{
Request: &http.Request{
RemoteAddr: sess.RemoteAddr().Network(),
URL: &url.URL{
RawQuery: fmt.Sprintf("w=%d&h=%d", pty.Window.Width, pty.Window.Height),
},
},
}
ctx.Set("session", sess.Context().Value("session"))
p := tea.NewProgram(initialView(ctx, sess), tea.WithInput(sess), tea.WithOutput(sess))
if _, err := p.Run(); err != nil {
fmt.Printf("Alas, there's been an error: %v", err)
}
}
func signer() ssh.Signer {
str := `-----BEGIN OPENSSH PRIVATE KEY-----
b3BlbnNzaC1rZXktdjEAAAAABG5vbmUAAAAEbm9uZQAAAAAAAAABAAAAMwAAAAtzc2gtZW
QyNTUxOQAAACBg490b4zqumtizCyM4RWtzJnPEsPIInBFugk8+UCb8XgAAAKCc1yKrnNci
qwAAAAtzc2gtZWQyNTUxOQAAACBg490b4zqumtizCyM4RWtzJnPEsPIInBFugk8+UCb8Xg
AAAECvd1Yj+bQxyxJtU3PirLK68CD3MWqBv0/shlFKS6wmbWDj3RvjOq6a2LMLIzhFa3Mm
c8Sw8gicEW6CTz5QJvxeAAAAGnJvb3RAbG9jYWxob3N0LmxvY2FsZG9tYWluAQID
-----END OPENSSH PRIVATE KEY-----
`
s, err := gossh.ParsePrivateKey([]byte(str))
if err != nil {
logger.L().Fatal("failed parse signer", zap.Error(err))
}
return s
}
func banner() string {
str := "ONETERM"
ascii := figlet4go.NewAsciiRender()
colors := [...]color.Attribute{
color.FgMagenta,
color.FgYellow,
color.FgBlue,
color.FgCyan,
color.FgRed,
color.FgWhite,
color.FgGreen,
}
options := figlet4go.NewRenderOptions()
options.FontColor = make([]color.Attribute, len(str))
for i := range options.FontColor {
options.FontColor[i] = colors[i%len(colors)]
}
renderStr, _ := ascii.RenderOpts(str, options)
return renderStr
}