70 lines
1.9 KiB
Go
70 lines
1.9 KiB
Go
package auth
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import (
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"errors"
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"fmt"
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"github.com/fastenhealth/fasten-onprem/backend/pkg/models"
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"github.com/golang-jwt/jwt/v4"
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"strings"
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"time"
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)
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// JwtGenerateFastenTokenFromUser Note: these functions are duplicated, in Fasten Cloud
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//Any changes here must be replicated in that repo
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func JwtGenerateFastenTokenFromUser(user models.User, issuerSigningKey string) (string, error) {
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if len(strings.TrimSpace(issuerSigningKey)) == 0 {
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return "", fmt.Errorf("issuer signing key cannot be empty")
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}
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//log.Printf("ISSUER KEY: " + issuerSigningKey)
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userClaims := UserRegisteredClaims{
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RegisteredClaims: jwt.RegisteredClaims{
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// In JWT, the expiry time is expressed as unix milliseconds
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ExpiresAt: jwt.NewNumericDate(time.Now().Add(1 * time.Hour)),
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IssuedAt: jwt.NewNumericDate(time.Now()),
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Issuer: "docker-fastenhealth",
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Subject: user.Username,
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},
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UserMetadata: UserMetadata{
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FullName: user.FullName,
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Picture: "",
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Email: user.ID.String(),
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},
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}
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//FASTEN_JWT_ISSUER_KEY
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token := jwt.NewWithClaims(jwt.SigningMethodHS256, userClaims)
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//token.Header["kid"] = "docker"
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tokenString, err := token.SignedString([]byte(issuerSigningKey))
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if err != nil {
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return "", err
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}
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return tokenString, nil
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}
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func JwtValidateFastenToken(encryptionKey string, signedToken string) (*UserRegisteredClaims, error) {
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token, err := jwt.ParseWithClaims(
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signedToken,
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&UserRegisteredClaims{},
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func(token *jwt.Token) (interface{}, error) {
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if jwt.SigningMethodHS256 != token.Method {
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return nil, fmt.Errorf("invalid signing algorithm: %s", token.Method)
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}
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return []byte(encryptionKey), nil
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},
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)
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if err != nil {
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return nil, err
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}
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claims, ok := token.Claims.(*UserRegisteredClaims)
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if !ok {
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err = errors.New("couldn't parse claims")
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return nil, err
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}
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if claims.ExpiresAt.Unix() < time.Now().Local().Unix() {
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err = errors.New("token expired")
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return nil, err
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}
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return claims, nil
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}
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