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fix hard-coded timeout and error panic in API archive download endpoint (#20925)

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* fix hard-coded timeout and error panic in API archive download endpoint

This commit updates the `GET /api/v1/repos/{owner}/{repo}/archive/{archive}`
endpoint which prior to this PR had a couple of issues.

1. The endpoint had a hard-coded 20s timeout for the archiver to complete after
   which a 500 (Internal Server Error) was returned to client. For a scripted
   API client there was no clear way of telling that the operation timed out and
   that it should retry.

2. Whenever the timeout _did occur_, the code used to panic. This was caused by
   the API endpoint "delegating" to the same call path as the web, which uses a
   slightly different way of reporting errors (HTML rather than JSON for
   example).

   More specifically, `api/v1/repo/file.go#GetArchive` just called through to
   `web/repo/repo.go#Download`, which expects the `Context` to have a `Render`
   field set, but which is `nil` for API calls. Hence, a `nil` pointer error.

The code addresses (1) by dropping the hard-coded timeout. Instead, any
timeout/cancelation on the incoming `Context` is used.

The code addresses (2) by updating the API endpoint to use a separate call path
for the API-triggered archive download. This avoids producing HTML-errors on
errors (it now produces JSON errors).

Signed-off-by: Peter Gardfjäll <peter.gardfjall.work@gmail.com>
This commit is contained in:
Peter Gardfjäll 2022-08-29 11:45:20 +02:00 • committed by GitHub
parent 41c76ad714
commit 4562d40fce
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6 changed files with 122 additions and 71 deletions
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3
models/repo.go
View file

@ -218,8 +218,7 @@ func DeleteRepository(doer *user_model.User, uid, repoID int64) error {
archivePaths := make([]string, 0, len(archives))
for _, v := range archives {
p, _ := v.RelativePath()
archivePaths = append(archivePaths, p)
archivePaths = append(archivePaths, v.RelativePath())
}
if _, err := db.DeleteByBean(ctx, &repo_model.RepoArchiver{RepoID: repoID}); err != nil {

6
models/repo/archiver.go
View file

@ -39,9 +39,9 @@ func init() {
db.RegisterModel(new(RepoArchiver))
}
// RelativePath returns relative path
func (archiver *RepoArchiver) RelativePath() (string, error) {
return fmt.Sprintf("%d/%s/%s.%s", archiver.RepoID, archiver.CommitID[:2], archiver.CommitID, archiver.Type.String()), nil
// RelativePath returns the archive path relative to the archive storage root.
func (archiver *RepoArchiver) RelativePath() string {
return fmt.Sprintf("%d/%s/%s.%s", archiver.RepoID, archiver.CommitID[:2], archiver.CommitID, archiver.Type.String())
}
var delRepoArchiver = new(RepoArchiver)