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gitea/modules/setting/actions.go
Jason Song 67bd9d4f1e
Restrict [actions].DEFAULT_ACTIONS_URL to only github or self (#25581)
Resolve #24789

## ⚠️ BREAKING ⚠️

Before this, `DEFAULT_ACTIONS_URL` cound be set to any custom URLs like
`https://gitea.com` or `http://your-git-server,https://gitea.com`, and
the default value was `https://gitea.com`.

But now, `DEFAULT_ACTIONS_URL` supports only
`github`(`https://github.com`) or `self`(the root url of current Gitea
instance), and the default value is `github`.

If it has configured with a URL, an error log will be displayed and it
will fallback to `github`.

Actually, what we really want to do is always make it
`https://github.com`, however, this may not be acceptable for some
instances of internal use, so there's extra support for `self`, but no
more, even `https://gitea.com`.

Please note that `uses: https://xxx/yyy/zzz` always works and it does
exactly what it is supposed to do.

Although it's breaking, I belive it should be backported to `v1.20` due
to some security issues.

Follow-up on the runner side:

- https://gitea.com/gitea/act_runner/pulls/262
- https://gitea.com/gitea/act/pulls/70
2023-06-30 07:26:36 +00:00

80 lines
2.4 KiB
Go

// Copyright 2022 The Gitea Authors. All rights reserved.
// SPDX-License-Identifier: MIT
package setting
import (
"fmt"
"strings"
"code.gitea.io/gitea/modules/log"
)
// Actions settings
var (
Actions = struct {
LogStorage *Storage // how the created logs should be stored
ArtifactStorage *Storage // how the created artifacts should be stored
Enabled bool
DefaultActionsURL defaultActionsURL `ini:"DEFAULT_ACTIONS_URL"`
}{
Enabled: false,
DefaultActionsURL: defaultActionsURLGitHub,
}
)
type defaultActionsURL string
func (url defaultActionsURL) URL() string {
switch url {
case defaultActionsURLGitHub:
return "https://github.com"
case defaultActionsURLSelf:
return strings.TrimSuffix(AppURL, "/")
default:
// This should never happen, but just in case, use GitHub as fallback
return "https://github.com"
}
}
const (
defaultActionsURLGitHub = "github" // https://github.com
defaultActionsURLSelf = "self" // the root URL of the self-hosted Gitea instance
// DefaultActionsURL only supports GitHub and the self-hosted Gitea.
// It's intentionally not supported more, so please be cautious before adding more like "gitea" or "gitlab".
// If you get some trouble with `uses: username/action_name@version` in your workflow,
// please consider to use `uses: https://the_url_you_want_to_use/username/action_name@version` instead.
)
func loadActionsFrom(rootCfg ConfigProvider) error {
sec := rootCfg.Section("actions")
err := sec.MapTo(&Actions)
if err != nil {
return fmt.Errorf("failed to map Actions settings: %v", err)
}
if urls := string(Actions.DefaultActionsURL); urls != defaultActionsURLGitHub && urls != defaultActionsURLSelf {
url := strings.Split(urls, ",")[0]
if strings.HasPrefix(url, "https://") || strings.HasPrefix(url, "http://") {
log.Error("[actions] DEFAULT_ACTIONS_URL does not support %q as custom URL any longer, fallback to %q",
urls,
defaultActionsURLGitHub,
)
Actions.DefaultActionsURL = defaultActionsURLGitHub
} else {
return fmt.Errorf("unsupported [actions] DEFAULT_ACTIONS_URL: %q", urls)
}
}
// don't support to read configuration from [actions]
Actions.LogStorage, err = getStorage(rootCfg, "actions_log", "", nil)
if err != nil {
return err
}
actionsSec, _ := rootCfg.GetSection("actions.artifacts")
Actions.ArtifactStorage, err = getStorage(rootCfg, "actions_artifacts", "", actionsSec)
return err
}