84 lines
2.1 KiB
Go
84 lines
2.1 KiB
Go
package logic
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import (
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"errors"
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"strings"
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"time"
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"github.com/golang-jwt/jwt/v5"
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)
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const TypeAdmin = "admin"
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var (
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ErrInvalidToken = errors.New("invalid admin token")
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ErrWrongType = errors.New("token type mismatch")
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)
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// Claims matches Java JwtTokenProvider admin tokens (popadmin.wyrs365.com).
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type Claims struct {
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AdminID int64 `json:"adminId"`
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Role string `json:"role"`
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Type string `json:"type"`
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Permissions string `json:"permissions"`
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AllowedSites string `json:"allowedSites"`
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SiteRealm string `json:"siteRealm"`
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jwt.RegisteredClaims
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}
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// TokenService validates HS256 admin JWTs issued by the Java / popadmin login.
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type TokenService struct {
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secret []byte
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}
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func NewTokenService(secret string) *TokenService {
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sec := []byte(strings.TrimSpace(secret))
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if len(sec) < 32 {
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padded := make([]byte, 32)
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copy(padded, sec)
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sec = padded
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}
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return &TokenService{secret: sec}
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}
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func (s *TokenService) Parse(tokenStr string) (*Claims, error) {
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if s == nil || len(s.secret) == 0 {
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return nil, ErrInvalidToken
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}
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t, err := jwt.ParseWithClaims(tokenStr, &Claims{}, func(t *jwt.Token) (interface{}, error) {
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if t.Method != jwt.SigningMethodHS256 {
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return nil, ErrInvalidToken
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}
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return s.secret, nil
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})
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if err != nil {
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return nil, ErrInvalidToken
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}
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claims, ok := t.Claims.(*Claims)
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if !ok || !t.Valid {
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return nil, ErrInvalidToken
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}
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if claims.Type != "" && claims.Type != TypeAdmin {
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return nil, ErrWrongType
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}
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return claims, nil
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}
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// CreateToken is for tests and local smoke only (production tokens come from Java login).
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func (s *TokenService) CreateToken(adminID int64, username, role, permissions string) (string, error) {
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now := time.Now()
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claims := Claims{
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AdminID: adminID,
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Role: role,
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Type: TypeAdmin,
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Permissions: permissions,
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RegisteredClaims: jwt.RegisteredClaims{
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Subject: username,
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IssuedAt: jwt.NewNumericDate(now),
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ExpiresAt: jwt.NewNumericDate(now.Add(24 * time.Hour)),
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},
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}
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tok := jwt.NewWithClaims(jwt.SigningMethodHS256, &claims)
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return tok.SignedString(s.secret)
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}
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