73 lines
1.3 KiB
Go
73 lines
1.3 KiB
Go
package serv
|
|
|
|
import (
|
|
"context"
|
|
"errors"
|
|
"net/http"
|
|
"strings"
|
|
)
|
|
|
|
const (
|
|
salt = "encrypted cookie"
|
|
signSalt = "signed encrypted cookie"
|
|
emptySecret = ""
|
|
authHeader = "Authorization"
|
|
)
|
|
|
|
var (
|
|
userIDProviderKey = struct{}{}
|
|
userIDKey = struct{}{}
|
|
errSessionData = errors.New("error decoding session data")
|
|
)
|
|
|
|
func headerHandler(next http.HandlerFunc) http.HandlerFunc {
|
|
fn := conf.GetString("auth.field_name")
|
|
if len(fn) == 0 {
|
|
panic(errors.New("no auth.field_name defined"))
|
|
}
|
|
|
|
return func(w http.ResponseWriter, r *http.Request) {
|
|
userID := r.Header.Get(fn)
|
|
if len(userID) == 0 {
|
|
next.ServeHTTP(w, r)
|
|
return
|
|
}
|
|
|
|
ctx := context.WithValue(r.Context(), userIDKey, userID)
|
|
next.ServeHTTP(w, r.WithContext(ctx))
|
|
}
|
|
}
|
|
|
|
func withAuth(next http.HandlerFunc) http.HandlerFunc {
|
|
atype := strings.ToLower(conf.GetString("auth.type"))
|
|
if len(atype) == 0 {
|
|
return next
|
|
}
|
|
store := strings.ToLower(conf.GetString("auth.store"))
|
|
|
|
switch atype {
|
|
case "header":
|
|
return headerHandler(next)
|
|
|
|
case "rails":
|
|
switch store {
|
|
case "memcache":
|
|
return railsMemcacheHandler(next)
|
|
|
|
case "redis":
|
|
return railsRedisHandler(next)
|
|
|
|
default:
|
|
return railsCookieHandler(next)
|
|
}
|
|
|
|
case "jwt":
|
|
return jwtHandler(next)
|
|
|
|
default:
|
|
panic(errors.New("unknown auth.type"))
|
|
}
|
|
|
|
return next
|
|
}
|