You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
97 lines
2.6 KiB
97 lines
2.6 KiB
package security
|
|
|
|
import (
|
|
"fmt"
|
|
"net/http"
|
|
"strings"
|
|
"time"
|
|
|
|
"github.com/chrislusf/seaweedfs/weed/glog"
|
|
"github.com/golang-jwt/jwt"
|
|
)
|
|
|
|
type EncodedJwt string
|
|
type SigningKey []byte
|
|
|
|
// SeaweedFileIdClaims is created by Master server(s) and consumed by Volume server(s),
|
|
// restricting the access this JWT allows to only a single file.
|
|
type SeaweedFileIdClaims struct {
|
|
Fid string `json:"fid"`
|
|
jwt.StandardClaims
|
|
}
|
|
|
|
// SeaweedFilerClaims is created e.g. by S3 proxy server and consumed by Filer server.
|
|
// Right now, it only contains the standard claims; but this might be extended later
|
|
// for more fine-grained permissions.
|
|
type SeaweedFilerClaims struct {
|
|
jwt.StandardClaims
|
|
}
|
|
|
|
func GenJwtForVolumeServer(signingKey SigningKey, expiresAfterSec int, fileId string) EncodedJwt {
|
|
if len(signingKey) == 0 {
|
|
return ""
|
|
}
|
|
|
|
claims := SeaweedFileIdClaims{
|
|
fileId,
|
|
jwt.StandardClaims{},
|
|
}
|
|
if expiresAfterSec > 0 {
|
|
claims.ExpiresAt = time.Now().Add(time.Second * time.Duration(expiresAfterSec)).Unix()
|
|
}
|
|
t := jwt.NewWithClaims(jwt.SigningMethodHS256, claims)
|
|
encoded, e := t.SignedString([]byte(signingKey))
|
|
if e != nil {
|
|
glog.V(0).Infof("Failed to sign claims %+v: %v", t.Claims, e)
|
|
return ""
|
|
}
|
|
return EncodedJwt(encoded)
|
|
}
|
|
|
|
// GenJwtForFilerServer creates a JSON-web-token for using the authenticated Filer API. Used f.e. inside
|
|
// the S3 API
|
|
func GenJwtForFilerServer(signingKey SigningKey, expiresAfterSec int) EncodedJwt {
|
|
if len(signingKey) == 0 {
|
|
return ""
|
|
}
|
|
|
|
claims := SeaweedFilerClaims{
|
|
jwt.StandardClaims{},
|
|
}
|
|
if expiresAfterSec > 0 {
|
|
claims.ExpiresAt = time.Now().Add(time.Second * time.Duration(expiresAfterSec)).Unix()
|
|
}
|
|
t := jwt.NewWithClaims(jwt.SigningMethodHS256, claims)
|
|
encoded, e := t.SignedString([]byte(signingKey))
|
|
if e != nil {
|
|
glog.V(0).Infof("Failed to sign claims %+v: %v", t.Claims, e)
|
|
return ""
|
|
}
|
|
return EncodedJwt(encoded)
|
|
}
|
|
|
|
func GetJwt(r *http.Request) EncodedJwt {
|
|
|
|
// Get token from query params
|
|
tokenStr := r.URL.Query().Get("jwt")
|
|
|
|
// Get token from authorization header
|
|
if tokenStr == "" {
|
|
bearer := r.Header.Get("Authorization")
|
|
if len(bearer) > 7 && strings.ToUpper(bearer[0:6]) == "BEARER" {
|
|
tokenStr = bearer[7:]
|
|
}
|
|
}
|
|
|
|
return EncodedJwt(tokenStr)
|
|
}
|
|
|
|
func DecodeJwt(signingKey SigningKey, tokenString EncodedJwt, claims jwt.Claims) (token *jwt.Token, err error) {
|
|
// check exp, nbf
|
|
return jwt.ParseWithClaims(string(tokenString), claims, func(token *jwt.Token) (interface{}, error) {
|
|
if _, ok := token.Method.(*jwt.SigningMethodHMAC); !ok {
|
|
return nil, fmt.Errorf("unknown token method")
|
|
}
|
|
return []byte(signingKey), nil
|
|
})
|
|
}
|