Files
cloudpods/pkg/baremetal/handler/middleware.go
T
2019-01-07 17:06:30 +08:00

129 lines
3.0 KiB
Go

package handler
import (
"context"
"fmt"
"net/http"
"strings"
"yunion.io/x/jsonutils"
"yunion.io/x/onecloud/pkg/appsrv"
"yunion.io/x/onecloud/pkg/baremetal"
"yunion.io/x/onecloud/pkg/httperrors"
"yunion.io/x/onecloud/pkg/mcclient"
"yunion.io/x/onecloud/pkg/mcclient/auth"
)
const (
PREFIX = "baremetals"
PARAMS_ID_KEY = "<id>"
)
func getBaremetalPrefix(action string) string {
return fmt.Sprintf("%s/%s/%s", PREFIX, PARAMS_ID_KEY, action)
}
type handlerFunc func(ctx *Context)
func authMiddleware(h handlerFunc) appsrv.FilterHandler {
return func(ctx context.Context, w http.ResponseWriter, r *http.Request) {
newCtx := NewContext(ctx, w, r)
h(newCtx)
}
}
type objectHandlerFunc func(ctx *Context, bm *baremetal.SBaremetalInstance)
func objectMiddleware(h objectHandlerFunc) appsrv.FilterHandler {
return func(ctx context.Context, w http.ResponseWriter, r *http.Request) {
newCtx := NewContext(ctx, w, r)
bmId := newCtx.Params()[PARAMS_ID_KEY]
baremetal := newCtx.GetBaremetalManager().GetBaremetalById(bmId)
if baremetal == nil {
newCtx.ResponseError(httperrors.NewNotFoundError("Not found baremetal by id: %s", bmId))
return
}
h(newCtx, baremetal)
}
}
type Context struct {
context.Context
userCred mcclient.TokenCredential
params map[string]string
query jsonutils.JSONObject
data jsonutils.JSONObject
request *http.Request
writer http.ResponseWriter
}
func NewContext(ctx context.Context, w http.ResponseWriter, r *http.Request) *Context {
params, query, body := appsrv.FetchEnv(ctx, w, r)
return &Context{
Context: ctx,
userCred: auth.FetchUserCredential(ctx, nil),
params: params,
query: query,
data: body,
request: r,
writer: w,
}
}
func (ctx *Context) Params() map[string]string {
return ctx.params
}
func (ctx *Context) Data() jsonutils.JSONObject {
return ctx.data
}
func (ctx *Context) Query() jsonutils.JSONObject {
return ctx.query
}
func (ctx *Context) UserCred() mcclient.TokenCredential {
return ctx.userCred
}
func (ctx *Context) TaskId() string {
return ctx.Request().Header.Get(mcclient.TASK_ID)
}
func (ctx *Context) ResponseStruct(obj interface{}) {
appsrv.SendStruct(ctx.writer, obj)
}
func (ctx *Context) ResponseJson(obj jsonutils.JSONObject) {
appsrv.SendJSON(ctx.writer, obj)
}
func (ctx *Context) ResponseError(err error) {
httperrors.GeneralServerError(ctx.writer, err)
}
func (ctx *Context) Request() *http.Request {
return ctx.request
}
func (ctx *Context) RequestRemoteIP() string {
remoteAddr := ctx.Request().RemoteAddr
return strings.Split(remoteAddr, ":")[0]
}
func (ctx *Context) ResponseOk() {
obj := jsonutils.NewDict()
obj.Add(jsonutils.NewString("ok"), "result")
appsrv.SendJSON(ctx.writer, obj)
}
func (ctx *Context) GetBaremetalManager() *baremetal.SBaremetalManager {
return baremetal.GetBaremetalManager()
}
func (ctx *Context) DelayProcess(process ProcessFunc, data jsonutils.JSONObject) {
DelayProcess(process, ctx.GetBaremetalManager().GetClientSession(), ctx.TaskId(), data)
}