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Add "Allow edits from maintainer" feature (#18002)

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Adds a feature [like GitHub has](https://docs.github.com/en/pull-requests/collaborating-with-pull-requests/proposing-changes-to-your-work-with-pull-requests/creating-a-pull-request-from-a-fork) (step 7).
If you create a new PR from a forked repo, you can select (and change later, but only if you are the PR creator/poster) the "Allow edits from maintainers" option.
Then users with write access to the base branch get more permissions on this branch:
* use the update pull request button
* push directly from the command line (`git push`)
* edit/delete/upload files via web UI
* use related API endpoints

You can't merge PRs to this branch with this enabled, you'll need "full" code write permissions.

This feature has a pretty big impact on the permission system. I might forgot changing some things or didn't find security vulnerabilities. In this case, please leave a review or comment on this PR.

Closes #17728

Co-authored-by: 6543 <6543@obermui.de>
This commit is contained in:
qwerty287 2022-04-28 17:45:33 +02:00 • committed by GitHub
parent 92dfbada37
commit 8eb1cd9264
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29 changed files with 359 additions and 60 deletions
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17
routers/api/v1/api.go
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@ -283,6 +283,15 @@ func reqRepoWriter(unitTypes ...unit.Type) func(ctx *context.APIContext) {
}
}
// reqRepoBranchWriter user should have a permission to write to a branch, or be a site admin
func reqRepoBranchWriter(ctx *context.APIContext) {
options, ok := web.GetForm(ctx).(api.FileOptionInterface)
if !ok || (!ctx.Repo.CanWriteToBranch(ctx.Doer, options.Branch()) && !ctx.IsUserSiteAdmin()) {
ctx.Error(http.StatusForbidden, "reqRepoBranchWriter", "user should have a permission to write to this branch")
return
}
}
// reqRepoReader user should have specific read permission or be a repo admin or a site admin
func reqRepoReader(unitType unit.Type) func(ctx *context.APIContext) {
return func(ctx *context.APIContext) {
@ -1021,10 +1030,10 @@ func Routes() *web.Route {
m.Get("", repo.GetContentsList)
m.Get("/*", repo.GetContents)
m.Group("/*", func() {
m.Post("", bind(api.CreateFileOptions{}), repo.CreateFile)
m.Put("", bind(api.UpdateFileOptions{}), repo.UpdateFile)
m.Delete("", bind(api.DeleteFileOptions{}), repo.DeleteFile)
}, reqRepoWriter(unit.TypeCode), reqToken())
m.Post("", bind(api.CreateFileOptions{}), reqRepoBranchWriter, repo.CreateFile)
m.Put("", bind(api.UpdateFileOptions{}), reqRepoBranchWriter, repo.UpdateFile)
m.Delete("", bind(api.DeleteFileOptions{}), reqRepoBranchWriter, repo.DeleteFile)
}, reqToken())
}, reqRepoReader(unit.TypeCode))
m.Get("/signing-key.gpg", misc.SigningKey)
m.Group("/topics", func() {