63 lines
1.3 KiB
Go
63 lines
1.3 KiB
Go
package services
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import (
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"errors"
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"fmt"
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"github.com/google/uuid"
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"time"
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"github.com/golang-jwt/jwt/v5"
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"go.uber.org/zap"
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)
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type ChatService struct {
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jwtSecret string
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logger *zap.Logger
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}
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func NewChatService(jwtSecret string, logger *zap.Logger) *ChatService {
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if logger == nil {
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logger = zap.NewNop()
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}
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return &ChatService{
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jwtSecret: jwtSecret,
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logger: logger,
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}
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}
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type ChatTokenResponse struct {
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Token string `json:"token"`
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ExpiresIn int64 `json:"expires_in"`
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WSUrl string `json:"ws_url"`
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}
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func (s *ChatService) GenerateToken(userID uuid.UUID, username string) (*ChatTokenResponse, error) {
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if s.jwtSecret == "" {
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return nil, errors.New("JWT secret is not configured")
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}
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now := time.Now()
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expiration := 15 * time.Minute
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exp := now.Add(expiration)
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claims := jwt.MapClaims{
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"sub": fmt.Sprintf("%d", userID),
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"name": username,
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"aud": "veza-chat",
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"iss": "veza-backend",
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"iat": now.Unix(),
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"exp": exp.Unix(),
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}
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token := jwt.NewWithClaims(jwt.SigningMethodHS256, claims)
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tokenString, err := token.SignedString([]byte(s.jwtSecret))
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if err != nil {
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return nil, fmt.Errorf("failed to sign token: %w", err)
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}
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return &ChatTokenResponse{
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Token: tokenString,
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ExpiresIn: int64(expiration.Seconds()),
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WSUrl: "/ws", // Relative path, frontend appends base URL
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}, nil
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}
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