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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
29 changed files with 359 additions and 60 deletions
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8
routers/private/hook_pre_receive.go
View File

@@ -45,6 +45,8 @@ type preReceiveContext struct {
env []string
opts *private.HookOptions
branchName string
}
// CanWriteCode returns true if pusher can write code
@@ -53,7 +55,7 @@ func (ctx *preReceiveContext) CanWriteCode() bool {
if !ctx.loadPusherAndPermission() {
return false
}
ctx.canWriteCode = ctx.userPerm.CanWrite(unit.TypeCode) || ctx.deployKeyAccessMode >= perm_model.AccessModeWrite
ctx.canWriteCode = ctx.userPerm.CanWriteToBranch(ctx.user, ctx.branchName) || ctx.deployKeyAccessMode >= perm_model.AccessModeWrite
ctx.checkedCanWriteCode = true
}
return ctx.canWriteCode
@@ -134,13 +136,15 @@ func HookPreReceive(ctx *gitea_context.PrivateContext) {
}
func preReceiveBranch(ctx *preReceiveContext, oldCommitID, newCommitID, refFullName string) {
branchName := strings.TrimPrefix(refFullName, git.BranchPrefix)
ctx.branchName = branchName
if !ctx.AssertCanWriteCode() {
return
}
repo := ctx.Repo.Repository
gitRepo := ctx.Repo.GitRepo
branchName := strings.TrimPrefix(refFullName, git.BranchPrefix)
if branchName == repo.DefaultBranch && newCommitID == git.EmptySHA {
log.Warn("Forbidden: Branch: %s is the default branch in %-v and cannot be deleted", branchName, repo)