mirror of https://github.com/go-gitea/gitea.git
103 lines
2.1 KiB
Go
103 lines
2.1 KiB
Go
// Copyright 2024 The Gitea Authors. All rights reserved.
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// SPDX-License-Identifier: MIT
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package actions
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import (
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"fmt"
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"net/http"
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"strings"
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"time"
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"code.gitea.io/gitea/modules/json"
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"code.gitea.io/gitea/modules/log"
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"code.gitea.io/gitea/modules/setting"
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"github.com/golang-jwt/jwt/v5"
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)
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type actionsClaims struct {
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jwt.RegisteredClaims
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Scp string `json:"scp"`
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TaskID int64
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RunID int64
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JobID int64
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Ac string `json:"ac"`
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}
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type actionsCacheScope struct {
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Scope string
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Permission actionsCachePermission
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}
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type actionsCachePermission int
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const (
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actionsCachePermissionRead = 1 << iota
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actionsCachePermissionWrite
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)
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func CreateAuthorizationToken(taskID, runID, jobID int64) (string, error) {
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now := time.Now()
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ac, err := json.Marshal(&[]actionsCacheScope{
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{
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Scope: "",
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Permission: actionsCachePermissionWrite,
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},
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})
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if err != nil {
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return "", err
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}
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claims := actionsClaims{
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RegisteredClaims: jwt.RegisteredClaims{
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ExpiresAt: jwt.NewNumericDate(now.Add(24 * time.Hour)),
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NotBefore: jwt.NewNumericDate(now),
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},
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Scp: fmt.Sprintf("Actions.Results:%d:%d", runID, jobID),
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Ac: string(ac),
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TaskID: taskID,
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RunID: runID,
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JobID: jobID,
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}
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token := jwt.NewWithClaims(jwt.SigningMethodHS256, claims)
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tokenString, err := token.SignedString(setting.GetGeneralTokenSigningSecret())
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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 ParseAuthorizationToken(req *http.Request) (int64, error) {
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h := req.Header.Get("Authorization")
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if h == "" {
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return 0, nil
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}
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parts := strings.SplitN(h, " ", 2)
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if len(parts) != 2 {
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log.Error("split token failed: %s", h)
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return 0, fmt.Errorf("split token failed")
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}
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token, err := jwt.ParseWithClaims(parts[1], &actionsClaims{}, func(t *jwt.Token) (any, error) {
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if _, ok := t.Method.(*jwt.SigningMethodHMAC); !ok {
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return nil, fmt.Errorf("unexpected signing method: %v", t.Header["alg"])
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}
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return setting.GetGeneralTokenSigningSecret(), nil
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})
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if err != nil {
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return 0, err
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}
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c, ok := token.Claims.(*actionsClaims)
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if !token.Valid || !ok {
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return 0, fmt.Errorf("invalid token claim")
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}
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return c.TaskID, nil
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}
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