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Add full refresh token and access token function

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Signed-off-by: Asai Neko <sugar@sne.moe>
This commit is contained in:
Asai Neko
2025-12-25 16:13:05 +08:00
parent 32a27d974a
commit 3a86d387bd
13 changed files with 274 additions and 195 deletions
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6
config.default.yaml
View File

@@ -1,4 +1,5 @@
server:
application: nixcn-cms
address: :8000
external_url: https://example.com
debug_mode: false
@@ -22,5 +23,6 @@ secrets:
jwt_secret: something
turnstile_secret: something
ttl:
magic_link_ttl: 15000
jwt_ttl: 86400000
magic_link_ttl: 10m
jwt_ttl: 15s
refresh_ttl: 48h

10
config/types.go
View File

@@ -10,6 +10,7 @@ type config struct {
}
type server struct {
Application string `yaml:"application"`
Address string `yaml:"address"`
DebugMode string `yaml:"debug_mode"`
FileLogger string `yaml:"file_logger"`
@@ -38,11 +39,12 @@ type email struct {
}
type secrets struct {
jwt_secret string `yaml:"jwt_secret"`
turnstile_secret string `yaml:"turnstile_secret"`
JwtSecret string `yaml:"jwt_secret"`
TurnstileSecret string `yaml:"turnstile_secret"`
}
type ttl struct {
magic_link_ttl string `yaml:"magic_link_ttl"`
jwt_ttl string `yaml:"jwt_ttl"`
MagicLinkTTL string `yaml:"magic_link_ttl"`
JwtTTL string `yaml:"jwt_ttl"`
RefreshTTL string `yaml:"refresh_ttl"`
}

2
data/data.go
View File

@@ -9,7 +9,7 @@ import (
)
var Database *drivers.DBClient
var Redis *redis.UniversalClient
var Redis redis.UniversalClient
func Init() {
// Init database

4
data/drivers/redis.go
View File

@@ -6,7 +6,7 @@ import (
"github.com/redis/go-redis/v9"
)
func Redis(dsn RedisDSN) (*redis.UniversalClient, error) {
func Redis(dsn RedisDSN) (redis.UniversalClient, error) {
// Connect to Redis
rdb := redis.NewUniversalClient(&redis.UniversalOptions{
Addrs: dsn.Hosts,
@@ -18,5 +18,5 @@ func Redis(dsn RedisDSN) (*redis.UniversalClient, error) {
ctx := context.Background()
// Ping Redis
_, err := rdb.Ping(ctx).Result()
return &rdb, err
return rdb, err
}

77
internal/crypto/jwt/jwt.go
View File

@@ -1,77 +0,0 @@
package jwt
import (
"net/http"
"strings"
"time"
"github.com/gin-gonic/gin"
"github.com/golang-jwt/jwt/v5"
"github.com/google/uuid"
"github.com/spf13/viper"
)
type Claims struct {
UserID uuid.UUID `json:"user_id"`
jwt.RegisteredClaims
}
func JWTAuth() gin.HandlerFunc {
var JwtSecret = []byte(viper.GetString("secrets.jwt_secret"))
return func(c *gin.Context) {
auth := c.GetHeader("Authorization")
if auth == "" {
c.AbortWithStatusJSON(http.StatusUnauthorized, gin.H{
"error": "missing Authorization header",
})
return
}
parts := strings.SplitN(auth, " ", 2)
if len(parts) != 2 || parts[0] != "Bearer" {
c.AbortWithStatusJSON(http.StatusUnauthorized, gin.H{
"error": "invalid Authorization header format",
})
return
}
tokenStr := parts[1]
token, err := jwt.ParseWithClaims(tokenStr, &Claims{}, func(token *jwt.Token) (interface{}, error) {
return JwtSecret, nil
})
if err != nil || !token.Valid {
c.AbortWithStatusJSON(http.StatusUnauthorized, gin.H{
"error": "invalid or expired token",
})
return
}
claims, ok := token.Claims.(*Claims)
if !ok {
c.AbortWithStatusJSON(http.StatusUnauthorized, gin.H{
"error": "invalid token claims",
})
return
}
c.Set("user_id", claims.UserID)
c.Next()
}
}
func GenerateToken(userID uuid.UUID, application string) (string, error) {
var JwtSecret = []byte(viper.GetString("secrets.jwt_secret"))
claims := Claims{
UserID: userID,
RegisteredClaims: jwt.RegisteredClaims{
ExpiresAt: jwt.NewNumericDate(time.Now().Add(viper.GetDuration("ttl.jwt_ttl"))),
IssuedAt: jwt.NewNumericDate(time.Now()),
Issuer: application,
},
}
token := jwt.NewWithClaims(jwt.SigningMethodHS256, claims)
return token.SignedString(JwtSecret)
}

94
internal/crypto/jwt/jwt_test.go
View File

@@ -1,94 +0,0 @@
package jwt
import (
"net/http"
"net/http/httptest"
"nixcn-cms/config"
"testing"
"time"
"github.com/gin-gonic/gin"
"github.com/golang-jwt/jwt/v5"
"github.com/google/uuid"
"github.com/spf13/viper"
)
func init() {
config.Init()
}
func generateTestToken(userID uuid.UUID, expire time.Duration) string {
var JwtSecret = []byte(viper.GetString("server.jwt_secret"))
claims := Claims{
UserID: userID,
RegisteredClaims: jwt.RegisteredClaims{
ExpiresAt: jwt.NewNumericDate(time.Now().Add(expire)),
},
}
token := jwt.NewWithClaims(jwt.SigningMethodHS256, claims)
tokenStr, _ := token.SignedString(JwtSecret)
return tokenStr
}
func TestJWTAuth_MissingToken(t *testing.T) {
gin.SetMode(gin.TestMode)
r := gin.New()
r.Use(JWTAuth())
r.GET("/test", func(c *gin.Context) {
c.JSON(200, gin.H{"ok": true})
})
req := httptest.NewRequest(http.MethodGet, "/test", nil)
w := httptest.NewRecorder()
r.ServeHTTP(w, req)
if w.Code != http.StatusUnauthorized {
t.Fatalf("expected 401, got %d", w.Code)
}
}
func TestJWTAuth_InvalidToken(t *testing.T) {
gin.SetMode(gin.TestMode)
r := gin.New()
r.Use(JWTAuth())
r.GET("/test", func(c *gin.Context) {
c.JSON(200, gin.H{"ok": true})
})
req := httptest.NewRequest(http.MethodGet, "/test", nil)
req.Header.Set("Authorization", "Bearer invalid.token.here")
w := httptest.NewRecorder()
r.ServeHTTP(w, req)
if w.Code != http.StatusUnauthorized {
t.Fatalf("expected 401, got %d", w.Code)
}
}
func TestJWTAuth_ValidToken(t *testing.T) {
gin.SetMode(gin.TestMode)
r := gin.New()
r.Use(JWTAuth())
r.GET("/test", func(c *gin.Context) {
userID := c.GetUint("user_id")
c.JSON(200, gin.H{
"user_id": userID,
})
})
uuid, _ := uuid.NewUUID()
token := generateTestToken(uuid, time.Hour)
req := httptest.NewRequest(http.MethodGet, "/test", nil)
req.Header.Set("Authorization", "Bearer "+token)
w := httptest.NewRecorder()
r.ServeHTTP(w, req)
if w.Code != http.StatusOK {
t.Fatalf("expected 200, got %d", w.Code)
}
}

145
internal/cryptography/token.go Normal file
View File

@@ -0,0 +1,145 @@
package cryptography
import (
"context"
"crypto/rand"
"encoding/base64"
"errors"
"nixcn-cms/data"
"time"
"github.com/golang-jwt/jwt/v5"
"github.com/google/uuid"
"github.com/redis/go-redis/v9"
"github.com/spf13/viper"
)
type Token struct {
UserID uuid.UUID
Application string
}
type JwtClaims struct {
UserID uuid.UUID `json:"user_id"`
jwt.RegisteredClaims
}
// Generate jwt clames
func (self *Token) NewClaims() JwtClaims {
return JwtClaims{
UserID: self.UserID,
RegisteredClaims: jwt.RegisteredClaims{
ExpiresAt: jwt.NewNumericDate(time.Now().Add(viper.GetDuration("ttl.jwt_ttl"))),
IssuedAt: jwt.NewNumericDate(time.Now()),
Issuer: self.Application,
},
}
}
// Generate access token
func (self *Token) GenerateAccessToken() (string, error) {
claims := self.NewClaims()
token := jwt.NewWithClaims(jwt.SigningMethodHS256, claims)
secret := viper.GetString("secrets.jwt_secret")
return token.SignedString(secret)
}
// Generate refresh token
func (self *Token) GenerateRefreshToken() (string, error) {
b := make([]byte, 32)
if _, err := rand.Read(b); err != nil {
return "", err
}
return base64.RawURLEncoding.EncodeToString(b), nil
}
// Issue both access and refresh token
func (self *Token) IssueTokens() (string, string, error) {
// Gen atk
access, err := self.GenerateAccessToken()
if err != nil {
return "", "", err
}
// Gen rtk
refresh, err := self.GenerateRefreshToken()
if err != nil {
return "", "", err
}
// Store to redis
ctx := context.Background()
ttl := viper.GetDuration("ttl.refresh_ttl")
// refresh -> user
if err := data.Redis.Set(
ctx,
"refresh:"+refresh,
self.UserID.String(),
ttl,
).Err(); err != nil {
return "", "", err
}
// user -> refresh tokens
userSetKey := "user:" + self.UserID.String() + ":refresh_tokens"
if err := data.Redis.SAdd(
ctx,
userSetKey,
refresh,
).Err(); err != nil {
return "", "", err
}
// set user ttl >= all refresh token
_ = data.Redis.Expire(ctx, userSetKey, ttl).Err()
return access, refresh, nil
}
// Refresh access token
func (self *Token) RefreshAccessToken(refreshToken string) (string, error) {
// Read rtk:userid from redis
ctx := context.Background()
key := "refresh:" + refreshToken
userIDStr, err := data.Redis.Get(ctx, key).Result()
if err != nil {
if err == redis.Nil {
return "", errors.New("invalid refresh token")
}
return "", err
}
userID, err := uuid.Parse(userIDStr)
if err != nil {
return "", err
}
self.UserID = userID
// Generate access token
return self.GenerateAccessToken()
}
func (self *Token) RevokeRefreshToken(refreshToken string) error {
ctx := context.Background()
key := "refresh:" + refreshToken
userIDStr, err := data.Redis.Get(ctx, key).Result()
if err != nil {
return nil
}
userSetKey := "user:" + userIDStr + ":refresh_tokens"
// Delete rtk from redis
pipe := data.Redis.TxPipeline()
pipe.Del(ctx, key) // rtk:userid index
pipe.SRem(ctx, userSetKey, refreshToken) // userid:rtk index
_, err = pipe.Exec(ctx)
return err
}

57
middleware/jwt.go Normal file
View File

@@ -0,0 +1,57 @@
package middleware
import (
"net/http"
"strings"
"nixcn-cms/internal/cryptography"
"github.com/gin-gonic/gin"
"github.com/golang-jwt/jwt/v5"
"github.com/spf13/viper"
)
func JWTAuth() gin.HandlerFunc {
jwtSecret := []byte(viper.GetString("secrets.jwt_secret"))
return func(c *gin.Context) {
auth := c.GetHeader("Authorization")
if auth == "" {
c.AbortWithStatusJSON(http.StatusUnauthorized, gin.H{
"error": "missing Authorization header",
})
return
}
// Split header to 2
parts := strings.SplitN(auth, " ", 2)
if len(parts) != 2 || parts[0] != "Bearer" {
c.AbortWithStatusJSON(http.StatusUnauthorized, gin.H{
"error": "invalid Authorization header format",
})
return
}
tokenStr := parts[1]
// Verify access token
claims := &cryptography.JwtClaims{}
token, err := jwt.ParseWithClaims(
tokenStr,
claims,
func(token *jwt.Token) (any, error) {
return jwtSecret, nil
},
)
if err != nil || !token.Valid {
c.AbortWithStatusJSON(http.StatusUnauthorized, gin.H{
"error": "invalid or expired token",
})
return
}
c.Set("user_id", claims.UserID)
c.Next()
}
}

1
service/auth/handler.go
View File

@@ -5,4 +5,5 @@ import "github.com/gin-gonic/gin"
func Handler(r *gin.RouterGroup) {
r.POST("/magic", RequestMagicLink)
r.GET("/magic/verify", VerifyMagicLink)
r.POST("/refresh", Refresh)
}

27
service/auth/magic.go
View File

@@ -3,7 +3,7 @@ package auth
import (
"net/http"
"nixcn-cms/data"
"nixcn-cms/internal/crypto/jwt"
"nixcn-cms/internal/cryptography"
"nixcn-cms/pkgs/email"
"nixcn-cms/pkgs/magiclink"
"nixcn-cms/pkgs/turnstile"
@@ -61,14 +61,14 @@ func RequestMagicLink(c *gin.Context) {
func VerifyMagicLink(c *gin.Context) {
// Get token from url
token := c.Query("token")
if token == "" {
magicToken := c.Query("token")
if magicToken == "" {
c.JSON(400, gin.H{"error": "missing token"})
return
}
// Verify email token
email, ok := magiclink.VerifyMagicToken(token)
email, ok := magiclink.VerifyMagicToken(magicToken)
if !ok {
c.JSON(401, gin.H{"error": "invalid or expired token"})
return
@@ -80,10 +80,19 @@ func VerifyMagicLink(c *gin.Context) {
if err != nil {
c.JSON(http.StatusUnauthorized, gin.H{"status": "user not found"})
}
jwtToken, _ := jwt.GenerateToken(userInfo.UserId, "application")
c.JSON(200, gin.H{
"jwt_token": jwtToken,
"email": email,
JwtTool := cryptography.Token{
UserID: userInfo.UserId,
Application: viper.GetString("server.application"),
}
accessToken, refreshToken, err := JwtTool.IssueTokens()
if err != nil {
c.JSON(500, gin.H{
"status": "error generating tokens",
})
}
c.JSON(200, gin.H{
"access_token": accessToken,
"refresh_token": refreshToken,
})
}

34
service/auth/refresh.go Normal file
View File

@@ -0,0 +1,34 @@
package auth
import (
"net/http"
"nixcn-cms/internal/cryptography"
"github.com/gin-gonic/gin"
"github.com/spf13/viper"
)
func Refresh(c *gin.Context) {
var req struct {
RefreshToken string `json:"refresh_token"`
}
if err := c.ShouldBindJSON(&req); err != nil {
c.JSON(http.StatusBadRequest, gin.H{"error": "invalid request"})
return
}
JwtTool := cryptography.Token{
Application: viper.GetString("server.application"),
}
access, err := JwtTool.RefreshAccessToken(req.RefreshToken)
if err != nil {
c.JSON(http.StatusUnauthorized, gin.H{"error": "invalid refresh token"})
return
}
c.JSON(http.StatusOK, gin.H{
"access_token": access,
})
}

4
service/checkin/handler.go
View File

@@ -1,12 +1,12 @@
package checkin
import (
"nixcn-cms/internal/crypto/jwt"
"nixcn-cms/middleware"
"github.com/gin-gonic/gin"
)
func Handler(r *gin.RouterGroup) {
r.Use(jwt.JWTAuth())
r.Use(middleware.JWTAuth())
r.POST("", Checkin)
}

4
service/user/handler.go
View File

@@ -1,12 +1,12 @@
package user
import (
"nixcn-cms/internal/crypto/jwt"
"nixcn-cms/middleware"
"github.com/gin-gonic/gin"
)
func Handler(r *gin.RouterGroup) {
r.Use(jwt.JWTAuth())
r.Use(middleware.JWTAuth())
r.GET("/info", UserInfo)
}