1
0
forked from x/icebergs
icebergs/base/web/render.go
2020-10-08 07:57:42 +08:00

83 lines
2.4 KiB
Go

package web
import (
ice "github.com/shylinux/icebergs"
"github.com/shylinux/icebergs/base/aaa"
kit "github.com/shylinux/toolkits"
"github.com/skip2/go-qrcode"
"fmt"
"net/http"
"os"
"path"
"time"
)
const (
STATUS = "status"
COOKIE = "cookie"
)
func Render(msg *ice.Message, cmd string, args ...interface{}) {
if cmd != "" {
defer func() { msg.Log(ice.LOG_EXPORT, "%s: %v", cmd, args) }()
}
switch arg := kit.Simple(args...); cmd {
case ice.RENDER_VOID:
case ice.RENDER_OUTPUT:
case "redirect":
http.Redirect(msg.W, msg.R, kit.MergeURL(arg[0], arg[1:]), 307)
case "refresh":
arg = []string{"200", fmt.Sprintf(`<!DOCTYPE html><head><meta charset="utf-8"><meta http-equiv="Refresh" content="%d"></head><body>%s</body>`,
kit.Int(kit.Select("3", arg, 0)), kit.Select("请稍后,系统初始化中...", arg, 1),
)}
fallthrough
case STATUS:
RenderStatus(msg, kit.Int(kit.Select("200", arg, 0)), kit.Select("", arg, 1))
case COOKIE:
RenderCookie(msg, arg[0], arg[1:]...)
case ice.RENDER_DOWNLOAD:
msg.W.Header().Set("Content-Disposition", fmt.Sprintf("filename=%s", kit.Select(path.Base(arg[0]), arg, 2)))
msg.W.Header().Set("Content-Type", kit.Select("text/html", arg, 1))
if _, e := os.Stat(arg[0]); e != nil {
arg[0] = "/" + arg[0]
}
http.ServeFile(msg.W, msg.R, arg[0])
case ice.RENDER_RESULT:
if len(arg) > 0 {
msg.W.Write([]byte(kit.Format(arg[0], args[1:]...)))
} else {
args = append(args, "length:", len(msg.Result()))
msg.W.Write([]byte(msg.Result()))
}
case ice.RENDER_QRCODE:
if qr, e := qrcode.New(arg[0], qrcode.Medium); msg.Assert(e) {
msg.W.Header().Set("Content-Type", "image/png")
msg.Assert(qr.Write(kit.Int(kit.Select("256", arg, 1)), msg.W))
}
default:
if cmd != "" {
msg.Echo(kit.Format(cmd, args...))
}
msg.W.Header().Set("Content-Type", "application/json")
fmt.Fprint(msg.W, msg.Formats("meta"))
}
msg.Append(ice.MSG_OUTPUT, ice.RENDER_OUTPUT)
}
func RenderCookie(msg *ice.Message, value string, arg ...string) { // name path expire
expire := time.Now().Add(kit.Duration(kit.Select(msg.Conf(aaa.SESS, "meta.expire"), arg, 2)))
http.SetCookie(msg.W, &http.Cookie{Value: value, Name: kit.Select(ice.MSG_SESSID, arg, 0), Path: kit.Select("/", arg, 1), Expires: expire})
}
func RenderStatus(msg *ice.Message, code int, text string) {
msg.W.WriteHeader(code)
msg.W.Write([]byte(text))
}