68 lines
1.6 KiB
Go
68 lines
1.6 KiB
Go
package auth
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import (
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"fmt"
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"time"
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"github.com/XingfenD/yoresee_doc/internal/config"
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"github.com/golang-jwt/jwt/v5"
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)
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type JWTValidator struct{}
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func (v *JWTValidator) Validate(tokenString string) (*Claims, error) {
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return ParseToken(tokenString)
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}
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func (v *JWTValidator) IsExpired(claims *Claims) bool {
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return time.Now().After(claims.ExpiresAt.Time)
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}
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type Claims struct {
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ExternalID string `json:"external_id"`
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Username string `json:"username"`
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jwt.RegisteredClaims
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}
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func GenerateToken(externalID string, username string) (string, error) {
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cfg := config.GlobalConfig.Backend.Jwt
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now := time.Now()
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expireTime := now.Add(time.Duration(cfg.Expire) * time.Second)
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claims := Claims{
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ExternalID: externalID,
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Username: username,
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RegisteredClaims: jwt.RegisteredClaims{
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ExpiresAt: jwt.NewNumericDate(expireTime),
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Issuer: "doc_manager",
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},
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}
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tokenClaims := jwt.NewWithClaims(jwt.SigningMethodHS256, claims)
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token, err := tokenClaims.SignedString([]byte(cfg.Secret))
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if err != nil {
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return "", err
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}
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if err := StoreJWTToken(externalID, token, time.Until(expireTime)); err != nil {
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return "", fmt.Errorf("store jwt token failed: %w", err)
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}
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return token, nil
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}
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func ParseToken(token string) (*Claims, error) {
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cfg := config.GlobalConfig.Backend.Jwt
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tokenClaims, err := jwt.ParseWithClaims(token, &Claims{}, func(token *jwt.Token) (interface{}, error) {
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return []byte(cfg.Secret), nil
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})
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if tokenClaims != nil {
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if claims, ok := tokenClaims.Claims.(*Claims); ok && tokenClaims.Valid {
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return claims, nil
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}
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}
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return nil, err
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}
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