grafana/pkg/middleware/middleware.go
2015-01-27 08:26:11 +01:00

125 lines
2.6 KiB
Go

package middleware
import (
"encoding/json"
"strconv"
"strings"
"github.com/Unknwon/macaron"
"github.com/macaron-contrib/session"
"github.com/torkelo/grafana-pro/pkg/bus"
"github.com/torkelo/grafana-pro/pkg/log"
m "github.com/torkelo/grafana-pro/pkg/models"
"github.com/torkelo/grafana-pro/pkg/setting"
)
type Context struct {
*macaron.Context
*m.SignedInUser
Session session.Store
IsSignedIn bool
}
func GetContextHandler() macaron.Handler {
return func(c *macaron.Context, sess session.Store) {
ctx := &Context{
Context: c,
Session: sess,
}
// try get account id from request
if userId := getRequestUserId(ctx); userId != 0 {
query := m.GetSignedInUserQuery{UserId: userId}
if err := bus.Dispatch(&query); err != nil {
log.Error(3, "Failed to get user by id, %v, %v", userId, err)
} else {
ctx.IsSignedIn = true
ctx.SignedInUser = query.Result
}
} else if key := getApiKey(ctx); key != "" {
// Try API Key auth
keyQuery := m.GetApiKeyByKeyQuery{Key: key}
if err := bus.Dispatch(&keyQuery); err != nil {
ctx.JsonApiErr(401, "Invalid API key", err)
return
} else {
keyInfo := keyQuery.Result
ctx.IsSignedIn = true
ctx.SignedInUser = &m.SignedInUser{}
// TODO: fix this
ctx.AccountRole = keyInfo.Role
ctx.ApiKeyId = keyInfo.Id
ctx.AccountId = keyInfo.AccountId
}
}
c.Map(ctx)
}
}
// Handle handles and logs error by given status.
func (ctx *Context) Handle(status int, title string, err error) {
if err != nil {
log.Error(4, "%s: %v", title, err)
if macaron.Env != macaron.PROD {
ctx.Data["ErrorMsg"] = err
}
}
switch status {
case 404:
ctx.Data["Title"] = "Page Not Found"
case 500:
ctx.Data["Title"] = "Internal Server Error"
}
ctx.HTML(status, strconv.Itoa(status))
}
func (ctx *Context) JsonOK(message string) {
resp := make(map[string]interface{})
resp["message"] = message
ctx.JSON(200, resp)
}
func (ctx *Context) IsApiRequest() bool {
return strings.HasPrefix(ctx.Req.URL.Path, "/api")
}
func (ctx *Context) JsonApiErr(status int, message string, err error) {
resp := make(map[string]interface{})
if err != nil {
log.Error(4, "%s: %v", message, err)
if setting.Env != setting.PROD {
resp["error"] = err.Error()
}
}
switch status {
case 404:
resp["message"] = "Not Found"
case 500:
resp["message"] = "Internal Server Error"
}
if message != "" {
resp["message"] = message
}
ctx.JSON(status, resp)
}
func (ctx *Context) JsonBody(model interface{}) bool {
b, _ := ctx.Req.Body().Bytes()
err := json.Unmarshal(b, &model)
return err == nil
}