1
0
forked from x/icebergs
icebergs/base/ssh/session.go
2020-10-29 17:08:47 +08:00

133 lines
3.6 KiB
Go

package ssh
import (
"os"
ice "github.com/shylinux/icebergs"
"github.com/shylinux/icebergs/base/ctx"
"github.com/shylinux/icebergs/base/mdb"
"github.com/shylinux/icebergs/base/tcp"
kit "github.com/shylinux/toolkits"
"io"
"golang.org/x/crypto/ssh"
)
func _ssh_sess(m *ice.Message, h string, client *ssh.Client) (*ssh.Session, error) {
session, e := client.NewSession()
m.Assert(e)
out, e := session.StdoutPipe()
m.Assert(e)
in, e := session.StdinPipe()
m.Assert(e)
m.Go(func() {
for {
buf := make([]byte, 4096)
n, e := out.Read(buf)
if e != nil {
break
}
m.Debug(string(buf[:n]))
m.Grow(SESSION, kit.Keys(kit.MDB_HASH, h), kit.Dict(
kit.MDB_TYPE, RES, kit.MDB_TEXT, string(buf[:n]),
))
}
})
m.Richs(SESSION, "", h, func(key string, value map[string]interface{}) {
kit.Value(value, "meta.output", out)
kit.Value(value, "meta.input", in)
})
return session, nil
}
func _watch(m *ice.Message, from io.Reader, to io.Writer, cb func([]byte)) {
m.Go(func() {
buf := make([]byte, 1024)
for {
n, e := from.Read(buf)
if e != nil {
cb(nil)
break
}
cb(buf[:n])
to.Write(buf[:n])
}
})
}
const (
TTY = "tty"
ENV = "env"
ARG = "arg"
CMD = "cmd"
RES = "res"
)
const SESSION = "session"
func init() {
Index.Merge(&ice.Context{
Configs: map[string]*ice.Config{
SESSION: {Name: SESSION, Help: "会话", Value: kit.Data()},
},
Commands: map[string]*ice.Command{
SESSION: {Name: "session hash id auto command prunes", Help: "会话", Action: map[string]*ice.Action{
ctx.COMMAND: {Name: "command cmd=pwd", Help: "命令", Hand: func(m *ice.Message, arg ...string) {
m.Richs(SESSION, "", m.Option(kit.MDB_HASH), func(key string, value map[string]interface{}) {
if w, ok := kit.Value(value, "meta.input").(io.Writer); ok {
m.Grow(SESSION, kit.Keys(kit.MDB_HASH, key), kit.Dict(kit.MDB_TYPE, CMD, kit.MDB_TEXT, m.Option(CMD)))
n, e := w.Write([]byte(m.Option(CMD) + "\n"))
m.Debug("%v %v", n, e)
}
})
m.Sleep("300ms")
m.Cmdy(SESSION, m.Option(kit.MDB_HASH))
}},
"bind": {Name: "bind", Help: "绑定", Hand: func(m *ice.Message, arg ...string) {
m.Richs(SESSION, "", m.Option(kit.MDB_HASH), func(key string, value map[string]interface{}) {
value = kit.GetMeta(value)
input := value["input"].(io.Writer)
_watch(m, os.Stdin, input, func(buf []byte) {
m.Debug("input %v", string(buf))
})
output := value["output"].(io.Reader)
_watch(m, output, os.Stdout, func(buf []byte) {
m.Debug("output %v", string(buf))
})
})
}},
mdb.REMOVE: {Name: "remove", Help: "删除", Hand: func(m *ice.Message, arg ...string) {
m.Cmdy(mdb.DELETE, SESSION, "", mdb.HASH, kit.MDB_HASH, m.Option(kit.MDB_HASH))
}},
mdb.PRUNES: {Name: "prunes", Help: "清理", Hand: func(m *ice.Message, arg ...string) {
m.Cmdy(mdb.PRUNES, SESSION, "", mdb.HASH, kit.MDB_STATUS, tcp.CLOSE)
}},
}, Hand: func(m *ice.Message, c *ice.Context, cmd string, arg ...string) {
if len(arg) == 0 {
m.Option(mdb.FIELDS, "time,hash,status,count,connect")
if m.Cmdy(mdb.SELECT, SESSION, "", mdb.HASH, kit.MDB_HASH, arg); len(arg) == 0 {
m.Table(func(index int, value map[string]string, head []string) {
m.PushButton(kit.Select("bind", mdb.REMOVE, value[kit.MDB_STATUS] == tcp.CLOSE))
})
}
return
}
m.Option(mdb.FIELDS, kit.Select("time,id,type,text", mdb.DETAIL, len(arg) > 1))
m.Cmdy(mdb.SELECT, SESSION, kit.Keys(kit.MDB_HASH, arg[0]), mdb.LIST, kit.MDB_ID, arg[1:])
m.Sort(kit.MDB_ID)
}},
},
})
}