Deepak
c1ae0706f9
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gitea-deepak/gogmagog/pipeline/head This commit looks good
71 lines
1.7 KiB
Go
71 lines
1.7 KiB
Go
package tokens
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import (
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"fmt"
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"gitea.deepak.science/deepak/gogmagog/models"
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"github.com/go-chi/jwtauth"
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"github.com/lestrrat-go/jwx/jwt"
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"net/http"
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"time"
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)
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// Toker represents a tokenizer, capable of encoding and verifying tokens.
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type Toker interface {
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EncodeUser(user *models.UserNoPassword) string
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DecodeTokenString(tokenString string) (int64, error)
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Authenticator(http.Handler) http.Handler
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}
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type jwtToker struct {
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tokenAuth *jwtauth.JWTAuth
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}
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// New returns a default Toker for a given secret key.
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func New(key string) Toker {
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return &jwtToker{tokenAuth: jwtauth.New("HS256", []byte(key), nil)}
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}
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func (tok *jwtToker) EncodeUser(user *models.UserNoPassword) string {
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claims := map[string]interface{}{
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"user_id": user.UserID,
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"username": user.Username,
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"display_name": user.DisplayName,
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"iss": "gogmagog.deepak.science",
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"aud": "gogmagog.deepak.science",
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}
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jwtauth.SetIssuedNow(claims)
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jwtauth.SetExpiryIn(claims, 2*time.Hour)
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_, tokenString, _ := tok.tokenAuth.Encode(claims)
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return tokenString
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}
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func (tok *jwtToker) DecodeTokenString(tokenString string) (int64, error) {
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token, err := tok.tokenAuth.Decode(tokenString)
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if err != nil {
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return -1, fmt.Errorf("Error decoding token")
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}
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if token == nil {
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return -1, fmt.Errorf("Token was nil")
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}
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err = jwt.Validate(
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token,
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jwt.WithIssuer("gogmagog.deepak.science"),
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jwt.WithAudience("gogmagog.deepak.science"),
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)
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if err != nil {
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return -1, err
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}
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userIDRaw, ok := token.Get("user_id")
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if !ok {
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return -1, fmt.Errorf("error finding user_id claim")
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}
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userID, ok := userIDRaw.(float64)
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if !ok {
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return -1, fmt.Errorf("Could not parse [%s] as userID", userIDRaw)
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}
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return int64(userID), nil
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}
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