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[Enhancement] Allow admin to merge pr with protected file changes (#12078)

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* [Enhancement] Allow admin to merge pr with protected file changes

As tilte, show protected message in diff page and merge box.

Signed-off-by: a1012112796 <1012112796@qq.com>

* remove unused ver

* Update options/locale/locale_en-US.ini

Co-authored-by: Cirno the Strongest <1447794+CirnoT@users.noreply.github.com>

* Add TrN

* Apply suggestions from code review

* fix lint

* Update options/locale/locale_en-US.ini

Co-authored-by: zeripath <art27@cantab.net>

* Apply suggestions from code review

* move pr proteced files check to TestPatch
* Call TestPatch when protected branches settings changed

* Apply review suggestion @CirnoT

* move to service @lunny

* slightly restructure routers/private/hook.go

Adds a lot of comments and simplifies the logic

Signed-off-by: Andrew Thornton <art27@cantab.net>

* placate lint

Signed-off-by: Andrew Thornton <art27@cantab.net>

* skip duplicate protected files check

* fix check logic

* slight refactor of TestPatch

Signed-off-by: Andrew Thornton <art27@cantab.net>

* When checking for protected files changes in TestPatch use the temporary repository

Signed-off-by: Andrew Thornton <art27@cantab.net>

* fix introduced issue with hook

Signed-off-by: Andrew Thornton <art27@cantab.net>

* Remove the check on PR index being greater than 0 as it unnecessary

Signed-off-by: Andrew Thornton <art27@cantab.net>

Co-authored-by: techknowlogick <matti@mdranta.net>
Co-authored-by: Cirno the Strongest <1447794+CirnoT@users.noreply.github.com>
Co-authored-by: zeripath <art27@cantab.net>
Co-authored-by: techknowlogick <techknowlogick@gitea.io>
This commit is contained in:
赵智超 2020-10-14 02:50:57 +08:00 • committed by GitHub
parent da32d0e72a
commit dfa7291f8f
No known key found for this signature in database
GPG key ID: 4AEE18F83AFDEB23
19 changed files with 464 additions and 185 deletions
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32
models/branches.go
View file

@ -209,6 +209,38 @@ func (protectBranch *ProtectedBranch) GetProtectedFilePatterns() []glob.Glob {
return extarr
}
// MergeBlockedByProtectedFiles returns true if merge is blocked by protected files change
func (protectBranch *ProtectedBranch) MergeBlockedByProtectedFiles(pr *PullRequest) bool {
glob := protectBranch.GetProtectedFilePatterns()
if len(glob) == 0 {
return false
}
return len(pr.ChangedProtectedFiles) > 0
}
// IsProtectedFile return if path is protected
func (protectBranch *ProtectedBranch) IsProtectedFile(patterns []glob.Glob, path string) bool {
if len(patterns) == 0 {
patterns = protectBranch.GetProtectedFilePatterns()
if len(patterns) == 0 {
return false
}
}
lpath := strings.ToLower(strings.TrimSpace(path))
r := false
for _, pat := range patterns {
if pat.Match(lpath) {
r = true
break
}
}
return r
}
// GetProtectedBranchByRepoID getting protected branch by repo ID
func GetProtectedBranchByRepoID(repoID int64) ([]*ProtectedBranch, error) {
protectedBranches := make([]*ProtectedBranch, 0)

2
models/migrations/migrations.go
View file

@ -244,6 +244,8 @@ var migrations = []Migration{
NewMigration("add Team review request support", addTeamReviewRequestSupport),
// v154 > v155
NewMigration("add timestamps to Star, Label, Follow, Watch and Collaboration", addTimeStamps),
// v155 -> v156
NewMigration("add changed_protected_files column for pull_request table", addChangedProtectedFilesPullRequestColumn),
}
// GetCurrentDBVersion returns the current db version

22
models/migrations/v155.go Normal file
View file

@ -0,0 +1,22 @@
// Copyright 2020 The Gitea Authors. All rights reserved.
// Use of this source code is governed by a MIT-style
// license that can be found in the LICENSE file.
package migrations
import (
"fmt"
"xorm.io/xorm"
)
func addChangedProtectedFilesPullRequestColumn(x *xorm.Engine) error {
type PullRequest struct {
ChangedProtectedFiles []string `xorm:"TEXT JSON"`
}
if err := x.Sync2(new(PullRequest)); err != nil {
return fmt.Errorf("Sync2: %v", err)
}
return nil
}

2
models/pull.go
View file

@ -45,6 +45,8 @@ type PullRequest struct {
CommitsAhead int
CommitsBehind int
ChangedProtectedFiles []string `xorm:"TEXT JSON"`
IssueID int64 `xorm:"INDEX"`
Issue *Issue `xorm:"-"`
Index int64

2
modules/repofiles/update.go
View file

@ -123,7 +123,7 @@ func detectEncodingAndBOM(entry *git.TreeEntry, repo *models.Repository) (string
// CreateOrUpdateRepoFile adds or updates a file in the given repository
func CreateOrUpdateRepoFile(repo *models.Repository, doer *models.User, opts *UpdateRepoFileOptions) (*structs.FileResponse, error) {
// If no branch name is set, assume master
// If no branch name is set, assume default branch
if opts.OldBranch == "" {
opts.OldBranch = repo.DefaultBranch
}

3
options/locale/locale_en-US.ini
View file

@ -1232,6 +1232,8 @@ pulls.required_status_check_administrator = As an administrator, you may still m
pulls.blocked_by_approvals = "This Pull Request doesn't have enough approvals yet. %d of %d approvals granted."
pulls.blocked_by_rejection = "This Pull Request has changes requested by an official reviewer."
pulls.blocked_by_outdated_branch = "This Pull Request is blocked because it's outdated."
pulls.blocked_by_changed_protected_files_1= "This Pull Request is blocked because it changes a protected file:"
pulls.blocked_by_changed_protected_files_n= "This Pull Request is blocked because it changes protected files:"
pulls.can_auto_merge_desc = This pull request can be merged automatically.
pulls.cannot_auto_merge_desc = This pull request cannot be merged automatically due to conflicts.
pulls.cannot_auto_merge_helper = Merge manually to resolve the conflicts.
@ -1779,6 +1781,7 @@ diff.review.comment = Comment
diff.review.approve = Approve
diff.review.reject = Request changes
diff.committed_by = committed by
diff.protected = Protected
releases.desc = Track project versions and downloads.
release.releases = Releases

11
routers/api/v1/repo/branch.go
View file

@ -16,6 +16,7 @@ import (
"code.gitea.io/gitea/modules/log"
repo_module "code.gitea.io/gitea/modules/repository"
api "code.gitea.io/gitea/modules/structs"
pull_service "code.gitea.io/gitea/services/pull"
repo_service "code.gitea.io/gitea/services/repository"
)
@ -545,6 +546,11 @@ func CreateBranchProtection(ctx *context.APIContext, form api.CreateBranchProtec
return
}
if err = pull_service.CheckPrsForBaseBranch(ctx.Repo.Repository, protectBranch.BranchName); err != nil {
ctx.Error(http.StatusInternalServerError, "CheckPrsForBaseBranch", err)
return
}
// Reload from db to get all whitelists
bp, err := models.GetProtectedBranchBy(ctx.Repo.Repository.ID, form.BranchName)
if err != nil {
@ -768,6 +774,11 @@ func EditBranchProtection(ctx *context.APIContext, form api.EditBranchProtection
return
}
if err = pull_service.CheckPrsForBaseBranch(ctx.Repo.Repository, protectBranch.BranchName); err != nil {
ctx.Error(http.StatusInternalServerError, "CheckPrsForBaseBranch", err)
return
}
// Reload from db to ensure get all whitelists
bp, err := models.GetProtectedBranchBy(repo.ID, bpName)
if err != nil {

2
routers/api/v1/repo/pull.go
View file

@ -774,7 +774,7 @@ func MergePullRequest(ctx *context.APIContext, form auth.MergePullRequestForm) {
return
}
if err := pull_service.CheckPRReadyToMerge(pr); err != nil {
if err := pull_service.CheckPRReadyToMerge(pr, false); err != nil {
if !models.IsErrNotAllowedToMerge(err) {
ctx.Error(http.StatusInternalServerError, "CheckPRReadyToMerge", err)
return

329
routers/private/hook.go
View file

@ -25,7 +25,6 @@ import (
"gitea.com/macaron/macaron"
"github.com/go-git/go-git/v5/plumbing"
"github.com/gobwas/glob"
)
func verifyCommits(oldCommitID, newCommitID string, repo *git.Repository, env []string) error {
@ -59,53 +58,6 @@ func verifyCommits(oldCommitID, newCommitID string, repo *git.Repository, env []
return err
}
func checkFileProtection(oldCommitID, newCommitID string, patterns []glob.Glob, repo *git.Repository, env []string) error {
stdoutReader, stdoutWriter, err := os.Pipe()
if err != nil {
log.Error("Unable to create os.Pipe for %s", repo.Path)
return err
}
defer func() {
_ = stdoutReader.Close()
_ = stdoutWriter.Close()
}()
// This use of ... is safe as force-pushes have already been ruled out.
err = git.NewCommand("diff", "--name-only", oldCommitID+"..."+newCommitID).
RunInDirTimeoutEnvFullPipelineFunc(env, -1, repo.Path,
stdoutWriter, nil, nil,
func(ctx context.Context, cancel context.CancelFunc) error {
_ = stdoutWriter.Close()
scanner := bufio.NewScanner(stdoutReader)
for scanner.Scan() {
path := strings.TrimSpace(scanner.Text())
if len(path) == 0 {
continue
}
lpath := strings.ToLower(path)
for _, pat := range patterns {
if pat.Match(lpath) {
cancel()
return models.ErrFilePathProtected{
Path: path,
}
}
}
}
if err := scanner.Err(); err != nil {
return err
}
_ = stdoutReader.Close()
return err
})
if err != nil && !models.IsErrFilePathProtected(err) {
log.Error("Unable to check file protection for commits from %s to %s in %s: %v", oldCommitID, newCommitID, repo.Path, err)
}
return err
}
func readAndVerifyCommitsFromShaReader(input io.ReadCloser, repo *git.Repository, env []string) error {
scanner := bufio.NewScanner(input)
for scanner.Scan() {
@ -202,6 +154,7 @@ func HookPreReceive(ctx *macaron.Context, opts private.HookOptions) {
private.GitQuarantinePath+"="+opts.GitQuarantinePath)
}
// Iterate across the provided old commit IDs
for i := range opts.OldCommitIDs {
oldCommitID := opts.OldCommitIDs[i]
newCommitID := opts.NewCommitIDs[i]
@ -224,146 +177,192 @@ func HookPreReceive(ctx *macaron.Context, opts private.HookOptions) {
})
return
}
if protectBranch != nil && protectBranch.IsProtected() {
// detect and prevent deletion
if newCommitID == git.EmptySHA {
log.Warn("Forbidden: Branch: %s in %-v is protected from deletion", branchName, repo)
// Allow pushes to non-protected branches
if protectBranch == nil || !protectBranch.IsProtected() {
continue
}
// This ref is a protected branch.
//
// First of all we need to enforce absolutely:
//
// 1. Detect and prevent deletion of the branch
if newCommitID == git.EmptySHA {
log.Warn("Forbidden: Branch: %s in %-v is protected from deletion", branchName, repo)
ctx.JSON(http.StatusForbidden, map[string]interface{}{
"err": fmt.Sprintf("branch %s is protected from deletion", branchName),
})
return
}
// 2. Disallow force pushes to protected branches
if git.EmptySHA != oldCommitID {
output, err := git.NewCommand("rev-list", "--max-count=1", oldCommitID, "^"+newCommitID).RunInDirWithEnv(repo.RepoPath(), env)
if err != nil {
log.Error("Unable to detect force push between: %s and %s in %-v Error: %v", oldCommitID, newCommitID, repo, err)
ctx.JSON(http.StatusInternalServerError, map[string]interface{}{
"err": fmt.Sprintf("Fail to detect force push: %v", err),
})
return
} else if len(output) > 0 {
log.Warn("Forbidden: Branch: %s in %-v is protected from force push", branchName, repo)
ctx.JSON(http.StatusForbidden, map[string]interface{}{
"err": fmt.Sprintf("branch %s is protected from deletion", branchName),
"err": fmt.Sprintf("branch %s is protected from force push", branchName),
})
return
}
}
// 3. Enforce require signed commits
if protectBranch.RequireSignedCommits {
err := verifyCommits(oldCommitID, newCommitID, gitRepo, env)
if err != nil {
if !isErrUnverifiedCommit(err) {
log.Error("Unable to check commits from %s to %s in %-v: %v", oldCommitID, newCommitID, repo, err)
ctx.JSON(http.StatusInternalServerError, map[string]interface{}{
"err": fmt.Sprintf("Unable to check commits from %s to %s: %v", oldCommitID, newCommitID, err),
})
return
}
unverifiedCommit := err.(*errUnverifiedCommit).sha
log.Warn("Forbidden: Branch: %s in %-v is protected from unverified commit %s", branchName, repo, unverifiedCommit)
ctx.JSON(http.StatusForbidden, map[string]interface{}{
"err": fmt.Sprintf("branch %s is protected from unverified commit %s", branchName, unverifiedCommit),
})
return
}
}
// detect force push
if git.EmptySHA != oldCommitID {
output, err := git.NewCommand("rev-list", "--max-count=1", oldCommitID, "^"+newCommitID).RunInDirWithEnv(repo.RepoPath(), env)
if err != nil {
log.Error("Unable to detect force push between: %s and %s in %-v Error: %v", oldCommitID, newCommitID, repo, err)
// Now there are several tests which can be overridden:
//
// 4. Check protected file patterns - this is overridable from the UI
changedProtectedfiles := false
protectedFilePath := ""
globs := protectBranch.GetProtectedFilePatterns()
if len(globs) > 0 {
_, err := pull_service.CheckFileProtection(oldCommitID, newCommitID, globs, 1, env, gitRepo)
if err != nil {
if !models.IsErrFilePathProtected(err) {
log.Error("Unable to check file protection for commits from %s to %s in %-v: %v", oldCommitID, newCommitID, repo, err)
ctx.JSON(http.StatusInternalServerError, map[string]interface{}{
"err": fmt.Sprintf("Fail to detect force push: %v", err),
})
return
} else if len(output) > 0 {
log.Warn("Forbidden: Branch: %s in %-v is protected from force push", branchName, repo)
ctx.JSON(http.StatusForbidden, map[string]interface{}{
"err": fmt.Sprintf("branch %s is protected from force push", branchName),
})
return
}
}
// Require signed commits
if protectBranch.RequireSignedCommits {
err := verifyCommits(oldCommitID, newCommitID, gitRepo, env)
if err != nil {
if !isErrUnverifiedCommit(err) {
log.Error("Unable to check commits from %s to %s in %-v: %v", oldCommitID, newCommitID, repo, err)
ctx.JSON(http.StatusInternalServerError, map[string]interface{}{
"err": fmt.Sprintf("Unable to check commits from %s to %s: %v", oldCommitID, newCommitID, err),
})
return
}
unverifiedCommit := err.(*errUnverifiedCommit).sha
log.Warn("Forbidden: Branch: %s in %-v is protected from unverified commit %s", branchName, repo, unverifiedCommit)
ctx.JSON(http.StatusForbidden, map[string]interface{}{
"err": fmt.Sprintf("branch %s is protected from unverified commit %s", branchName, unverifiedCommit),
"err": fmt.Sprintf("Unable to check file protection for commits from %s to %s: %v", oldCommitID, newCommitID, err),
})
return
}
}
// Detect Protected file pattern
globs := protectBranch.GetProtectedFilePatterns()
if len(globs) > 0 {
err := checkFileProtection(oldCommitID, newCommitID, globs, gitRepo, env)
if err != nil {
if !models.IsErrFilePathProtected(err) {
log.Error("Unable to check file protection for commits from %s to %s in %-v: %v", oldCommitID, newCommitID, repo, err)
ctx.JSON(http.StatusInternalServerError, map[string]interface{}{
"err": fmt.Sprintf("Unable to check file protection for commits from %s to %s: %v", oldCommitID, newCommitID, err),
})
return
}
protectedFilePath := err.(models.ErrFilePathProtected).Path
changedProtectedfiles = true
protectedFilePath = err.(models.ErrFilePathProtected).Path
}
}
// 5. Check if the doer is allowed to push
canPush := false
if opts.IsDeployKey {
canPush = !changedProtectedfiles && protectBranch.CanPush && (!protectBranch.EnableWhitelist || protectBranch.WhitelistDeployKeys)
} else {
canPush = !changedProtectedfiles && protectBranch.CanUserPush(opts.UserID)
}
// 6. If we're not allowed to push directly
if !canPush {
// Is this is a merge from the UI/API?
if opts.ProtectedBranchID == 0 {
// 6a. If we're not merging from the UI/API then there are two ways we got here:
//
// We are changing a protected file and we're not allowed to do that
if changedProtectedfiles {
log.Warn("Forbidden: Branch: %s in %-v is protected from changing file %s", branchName, repo, protectedFilePath)
ctx.JSON(http.StatusForbidden, map[string]interface{}{
"err": fmt.Sprintf("branch %s is protected from changing file %s", branchName, protectedFilePath),
})
return
}
}
canPush := false
if opts.IsDeployKey {
canPush = protectBranch.CanPush && (!protectBranch.EnableWhitelist || protectBranch.WhitelistDeployKeys)
} else {
canPush = protectBranch.CanUserPush(opts.UserID)
}
if !canPush && opts.ProtectedBranchID > 0 {
// Merge (from UI or API)
pr, err := models.GetPullRequestByID(opts.ProtectedBranchID)
if err != nil {
log.Error("Unable to get PullRequest %d Error: %v", opts.ProtectedBranchID, err)
ctx.JSON(http.StatusInternalServerError, map[string]interface{}{
"err": fmt.Sprintf("Unable to get PullRequest %d Error: %v", opts.ProtectedBranchID, err),
})
return
}
user, err := models.GetUserByID(opts.UserID)
if err != nil {
log.Error("Unable to get User id %d Error: %v", opts.UserID, err)
ctx.JSON(http.StatusInternalServerError, map[string]interface{}{
"err": fmt.Sprintf("Unable to get User id %d Error: %v", opts.UserID, err),
})
return
}
perm, err := models.GetUserRepoPermission(repo, user)
if err != nil {
log.Error("Unable to get Repo permission of repo %s/%s of User %s", repo.OwnerName, repo.Name, user.Name, err)
ctx.JSON(http.StatusInternalServerError, map[string]interface{}{
"err": fmt.Sprintf("Unable to get Repo permission of repo %s/%s of User %s: %v", repo.OwnerName, repo.Name, user.Name, err),
})
return
}
allowedMerge, err := pull_service.IsUserAllowedToMerge(pr, perm, user)
if err != nil {
log.Error("Error calculating if allowed to merge: %v", err)
ctx.JSON(http.StatusInternalServerError, map[string]interface{}{
"err": fmt.Sprintf("Error calculating if allowed to merge: %v", err),
})
return
}
if !allowedMerge {
log.Warn("Forbidden: User %d is not allowed to push to protected branch: %s in %-v and is not allowed to merge pr #%d", opts.UserID, branchName, repo, pr.Index)
ctx.JSON(http.StatusForbidden, map[string]interface{}{
"err": fmt.Sprintf("Not allowed to push to protected branch %s", branchName),
})
return
}
// Check all status checks and reviews is ok, unless repo admin which can bypass this.
if !perm.IsAdmin() {
if err := pull_service.CheckPRReadyToMerge(pr); err != nil {
if models.IsErrNotAllowedToMerge(err) {
log.Warn("Forbidden: User %d is not allowed push to protected branch %s in %-v and pr #%d is not ready to be merged: %s", opts.UserID, branchName, repo, pr.Index, err.Error())
ctx.JSON(http.StatusForbidden, map[string]interface{}{
"err": fmt.Sprintf("Not allowed to push to protected branch %s and pr #%d is not ready to be merged: %s", branchName, opts.ProtectedBranchID, err.Error()),
})
return
}
log.Error("Unable to check if mergable: protected branch %s in %-v and pr #%d. Error: %v", opts.UserID, branchName, repo, pr.Index, err)
ctx.JSON(http.StatusInternalServerError, map[string]interface{}{
"err": fmt.Sprintf("Unable to get status of pull request %d. Error: %v", opts.ProtectedBranchID, err),
})
}
}
} else if !canPush {
// Or we're simply not able to push to this protected branch
log.Warn("Forbidden: User %d is not allowed to push to protected branch: %s in %-v", opts.UserID, branchName, repo)
ctx.JSON(http.StatusForbidden, map[string]interface{}{
"err": fmt.Sprintf("Not allowed to push to protected branch %s", branchName),
})
return
}
// 6b. Merge (from UI or API)
// Get the PR, user and permissions for the user in the repository
pr, err := models.GetPullRequestByID(opts.ProtectedBranchID)
if err != nil {
log.Error("Unable to get PullRequest %d Error: %v", opts.ProtectedBranchID, err)
ctx.JSON(http.StatusInternalServerError, map[string]interface{}{
"err": fmt.Sprintf("Unable to get PullRequest %d Error: %v", opts.ProtectedBranchID, err),
})
return
}
user, err := models.GetUserByID(opts.UserID)
if err != nil {
log.Error("Unable to get User id %d Error: %v", opts.UserID, err)
ctx.JSON(http.StatusInternalServerError, map[string]interface{}{
"err": fmt.Sprintf("Unable to get User id %d Error: %v", opts.UserID, err),
})
return
}
perm, err := models.GetUserRepoPermission(repo, user)
if err != nil {
log.Error("Unable to get Repo permission of repo %s/%s of User %s", repo.OwnerName, repo.Name, user.Name, err)
ctx.JSON(http.StatusInternalServerError, map[string]interface{}{
"err": fmt.Sprintf("Unable to get Repo permission of repo %s/%s of User %s: %v", repo.OwnerName, repo.Name, user.Name, err),
})
return
}
// Now check if the user is allowed to merge PRs for this repository
allowedMerge, err := pull_service.IsUserAllowedToMerge(pr, perm, user)
if err != nil {
log.Error("Error calculating if allowed to merge: %v", err)
ctx.JSON(http.StatusInternalServerError, map[string]interface{}{
"err": fmt.Sprintf("Error calculating if allowed to merge: %v", err),
})
return
}
if !allowedMerge {
log.Warn("Forbidden: User %d is not allowed to push to protected branch: %s in %-v and is not allowed to merge pr #%d", opts.UserID, branchName, repo, pr.Index)
ctx.JSON(http.StatusForbidden, map[string]interface{}{
"err": fmt.Sprintf("Not allowed to push to protected branch %s", branchName),
})
return
}
// If we're an admin for the repository we can ignore status checks, reviews and override protected files
if perm.IsAdmin() {
continue
}
// Now if we're not an admin - we can't overwrite protected files so fail now
if changedProtectedfiles {
log.Warn("Forbidden: Branch: %s in %-v is protected from changing file %s", branchName, repo, protectedFilePath)
ctx.JSON(http.StatusForbidden, map[string]interface{}{
"err": fmt.Sprintf("branch %s is protected from changing file %s", branchName, protectedFilePath),
})
return
}
// Check all status checks and reviews are ok
if err := pull_service.CheckPRReadyToMerge(pr, true); err != nil {
if models.IsErrNotAllowedToMerge(err) {
log.Warn("Forbidden: User %d is not allowed push to protected branch %s in %-v and pr #%d is not ready to be merged: %s", opts.UserID, branchName, repo, pr.Index, err.Error())
ctx.JSON(http.StatusForbidden, map[string]interface{}{
"err": fmt.Sprintf("Not allowed to push to protected branch %s and pr #%d is not ready to be merged: %s", branchName, opts.ProtectedBranchID, err.Error()),
})
return
}
log.Error("Unable to check if mergable: protected branch %s in %-v and pr #%d. Error: %v", opts.UserID, branchName, repo, pr.Index, err)
ctx.JSON(http.StatusInternalServerError, map[string]interface{}{
"err": fmt.Sprintf("Unable to get status of pull request %d. Error: %v", opts.ProtectedBranchID, err),
})
return
}
}
}

3
routers/repo/issue.go
View file

@ -1426,6 +1426,9 @@ func ViewIssue(ctx *context.Context) {
ctx.Data["IsBlockedByOutdatedBranch"] = pull.ProtectedBranch.MergeBlockedByOutdatedBranch(pull)
ctx.Data["GrantedApprovals"] = cnt
ctx.Data["RequireSigned"] = pull.ProtectedBranch.RequireSignedCommits
ctx.Data["ChangedProtectedFiles"] = pull.ChangedProtectedFiles
ctx.Data["IsBlockedByChangedProtectedFiles"] = len(pull.ChangedProtectedFiles) != 0
ctx.Data["ChangedProtectedFilesNum"] = len(pull.ChangedProtectedFiles)
}
ctx.Data["WillSign"] = false
if ctx.User != nil {

16
routers/repo/pull.go
View file

@ -624,6 +624,20 @@ func ViewPullFiles(ctx *context.Context) {
return
}
if err = pull.LoadProtectedBranch(); err != nil {
ctx.ServerError("LoadProtectedBranch", err)
return
}
if pull.ProtectedBranch != nil {
glob := pull.ProtectedBranch.GetProtectedFilePatterns()
if len(glob) != 0 {
for _, file := range diff.Files {
file.IsProtected = pull.ProtectedBranch.IsProtectedFile(glob, file.Name)
}
}
}
ctx.Data["Diff"] = diff
ctx.Data["DiffNotAvailable"] = diff.NumFiles == 0
@ -772,7 +786,7 @@ func MergePullRequest(ctx *context.Context, form auth.MergePullRequestForm) {
return
}
if err := pull_service.CheckPRReadyToMerge(pr); err != nil {
if err := pull_service.CheckPRReadyToMerge(pr, false); err != nil {
if !models.IsErrNotAllowedToMerge(err) {
ctx.ServerError("Merge PR status", err)
return

5
routers/repo/setting_protected_branch.go
View file

@ -16,6 +16,7 @@ import (
"code.gitea.io/gitea/modules/git"
"code.gitea.io/gitea/modules/log"
"code.gitea.io/gitea/modules/setting"
pull_service "code.gitea.io/gitea/services/pull"
)
// ProtectedBranch render the page to protect the repository
@ -262,6 +263,10 @@ func SettingsProtectedBranchPost(ctx *context.Context, f auth.ProtectBranchForm)
ctx.ServerError("UpdateProtectBranch", err)
return
}
if err = pull_service.CheckPrsForBaseBranch(ctx.Repo.Repository, protectBranch.BranchName); err != nil {
ctx.ServerError("CheckPrsForBaseBranch", err)
return
}
ctx.Flash.Success(ctx.Tr("repo.settings.update_protect_branch_success", branch))
ctx.Redirect(fmt.Sprintf("%s/settings/branches/%s", ctx.Repo.RepoLink, branch))
} else {

1
services/gitdiff/gitdiff.go
View file

@ -351,6 +351,7 @@ type DiffFile struct {
IsSubmodule bool
Sections []*DiffSection
IsIncomplete bool
IsProtected bool
}
// GetType returns type of diff file.

16
services/pull/check.go
View file

@ -62,7 +62,7 @@ func checkAndUpdateStatus(pr *models.PullRequest) {
}
if !has {
if err := pr.UpdateColsIfNotMerged("merge_base", "status", "conflicted_files"); err != nil {
if err := pr.UpdateColsIfNotMerged("merge_base", "status", "conflicted_files", "changed_protected_files"); err != nil {
log.Error("Update[%d]: %v", pr.ID, err)
}
}
@ -228,6 +228,20 @@ func handle(data ...queue.Data) {
}
}
// CheckPrsForBaseBranch check all pulls with bseBrannch
func CheckPrsForBaseBranch(baseRepo *models.Repository, baseBranchName string) error {
prs, err := models.GetUnmergedPullRequestsByBaseInfo(baseRepo.ID, baseBranchName)
if err != nil {
return err
}
for _, pr := range prs {
AddToTaskQueue(pr)
}
return nil
}
// Init runs the task queue to test all the checking status pull requests
func Init() error {
prQueue = queue.CreateUniqueQueue("pr_patch_checker", handle, "").(queue.UniqueQueue)

12
services/pull/merge.go
View file

@ -559,7 +559,7 @@ func IsUserAllowedToMerge(pr *models.PullRequest, p models.Permission, user *mod
}
// CheckPRReadyToMerge checks whether the PR is ready to be merged (reviews and status checks)
func CheckPRReadyToMerge(pr *models.PullRequest) (err error) {
func CheckPRReadyToMerge(pr *models.PullRequest, skipProtectedFilesCheck bool) (err error) {
if err = pr.LoadBaseRepo(); err != nil {
return fmt.Errorf("LoadBaseRepo: %v", err)
}
@ -598,5 +598,15 @@ func CheckPRReadyToMerge(pr *models.PullRequest) (err error) {
}
}
if skipProtectedFilesCheck {
return nil
}
if pr.ProtectedBranch.MergeBlockedByProtectedFiles(pr) {
return models.ErrNotAllowedToMerge{
Reason: "Changed protected files",
}
}
return nil
}

160
services/pull/patch.go
View file

@ -18,6 +18,8 @@ import (
"code.gitea.io/gitea/modules/git"
"code.gitea.io/gitea/modules/log"
"code.gitea.io/gitea/modules/util"
"github.com/gobwas/glob"
)
// DownloadDiffOrPatch will write the patch for the pr to the writer
@ -66,6 +68,7 @@ func TestPatch(pr *models.PullRequest) error {
}
defer gitRepo.Close()
// 1. update merge base
pr.MergeBase, err = git.NewCommand("merge-base", "--", "base", "tracking").RunInDir(tmpBasePath)
if err != nil {
var err2 error
@ -75,10 +78,32 @@ func TestPatch(pr *models.PullRequest) error {
}
}
pr.MergeBase = strings.TrimSpace(pr.MergeBase)
// 2. Check for conflicts
if conflicts, err := checkConflicts(pr, gitRepo, tmpBasePath); err != nil || conflicts {
return err
}
// 3. Check for protected files changes
if err = checkPullFilesProtection(pr, gitRepo); err != nil {
return fmt.Errorf("pr.CheckPullFilesProtection(): %v", err)
}
if len(pr.ChangedProtectedFiles) > 0 {
log.Trace("Found %d protected files changed", len(pr.ChangedProtectedFiles))
}
pr.Status = models.PullRequestStatusMergeable
return nil
}
func checkConflicts(pr *models.PullRequest, gitRepo *git.Repository, tmpBasePath string) (bool, error) {
// 1. Create a plain patch from head to base
tmpPatchFile, err := ioutil.TempFile("", "patch")
if err != nil {
log.Error("Unable to create temporary patch file! Error: %v", err)
return fmt.Errorf("Unable to create temporary patch file! Error: %v", err)
return false, fmt.Errorf("Unable to create temporary patch file! Error: %v", err)
}
defer func() {
_ = util.Remove(tmpPatchFile.Name())
@ -87,38 +112,43 @@ func TestPatch(pr *models.PullRequest) error {
if err := gitRepo.GetDiff(pr.MergeBase, "tracking", tmpPatchFile); err != nil {
tmpPatchFile.Close()
log.Error("Unable to get patch file from %s to %s in %s Error: %v", pr.MergeBase, pr.HeadBranch, pr.BaseRepo.FullName(), err)
return fmt.Errorf("Unable to get patch file from %s to %s in %s Error: %v", pr.MergeBase, pr.HeadBranch, pr.BaseRepo.FullName(), err)
return false, fmt.Errorf("Unable to get patch file from %s to %s in %s Error: %v", pr.MergeBase, pr.HeadBranch, pr.BaseRepo.FullName(), err)
}
stat, err := tmpPatchFile.Stat()
if err != nil {
tmpPatchFile.Close()
return fmt.Errorf("Unable to stat patch file: %v", err)
return false, fmt.Errorf("Unable to stat patch file: %v", err)
}
patchPath := tmpPatchFile.Name()
tmpPatchFile.Close()
// 1a. if the size of that patch is 0 - there can be no conflicts!
if stat.Size() == 0 {
log.Debug("PullRequest[%d]: Patch is empty - ignoring", pr.ID)
pr.Status = models.PullRequestStatusMergeable
pr.ConflictedFiles = []string{}
return nil
return false, nil
}
log.Trace("PullRequest[%d].testPatch (patchPath): %s", pr.ID, patchPath)
// 2. preset the pr.Status as checking (this is not save at present)
pr.Status = models.PullRequestStatusChecking
// 3. Read the base branch in to the index of the temporary repository
_, err = git.NewCommand("read-tree", "base").RunInDir(tmpBasePath)
if err != nil {
return fmt.Errorf("git read-tree %s: %v", pr.BaseBranch, err)
return false, fmt.Errorf("git read-tree %s: %v", pr.BaseBranch, err)
}
// 4. Now get the pull request configuration to check if we need to ignore whitespace
prUnit, err := pr.BaseRepo.GetUnit(models.UnitTypePullRequests)
if err != nil {
return err
return false, err
}
prConfig := prUnit.PullRequestsConfig()
// 5. Prepare the arguments to apply the patch against the index
args := []string{"apply", "--check", "--cached"}
if prConfig.IgnoreWhitespaceConflicts {
args = append(args, "--ignore-whitespace")
@ -126,26 +156,44 @@ func TestPatch(pr *models.PullRequest) error {
args = append(args, patchPath)
pr.ConflictedFiles = make([]string, 0, 5)
// 6. Prep the pipe:
// - Here we could do the equivalent of:
// `git apply --check --cached patch_file > conflicts`
// Then iterate through the conflicts. However, that means storing all the conflicts
// in memory - which is very wasteful.
// - alternatively we can do the equivalent of:
// `git apply --check ... | grep ...`
// meaning we don't store all of the conflicts unnecessarily.
stderrReader, stderrWriter, err := os.Pipe()
if err != nil {
log.Error("Unable to open stderr pipe: %v", err)
return fmt.Errorf("Unable to open stderr pipe: %v", err)
return false, fmt.Errorf("Unable to open stderr pipe: %v", err)
}
defer func() {
_ = stderrReader.Close()
_ = stderrWriter.Close()
}()
// 7. Run the check command
conflict := false
err = git.NewCommand(args...).
RunInDirTimeoutEnvFullPipelineFunc(
nil, -1, tmpBasePath,
nil, stderrWriter, nil,
func(ctx context.Context, cancel context.CancelFunc) error {
// Close the writer end of the pipe to begin processing
_ = stderrWriter.Close()
defer func() {
// Close the reader on return to terminate the git command if necessary
_ = stderrReader.Close()
}()
const prefix = "error: patch failed:"
const errorPrefix = "error: "
conflictMap := map[string]bool{}
// Now scan the output from the command
scanner := bufio.NewScanner(stderrReader)
for scanner.Scan() {
line := scanner.Text()
@ -170,25 +218,111 @@ func TestPatch(pr *models.PullRequest) error {
break
}
}
if len(conflictMap) > 0 {
pr.ConflictedFiles = make([]string, 0, len(conflictMap))
for key := range conflictMap {
pr.ConflictedFiles = append(pr.ConflictedFiles, key)
}
}
_ = stderrReader.Close()
return nil
})
// 8. If there is a conflict the `git apply` command will return a non-zero error code - so there will be a positive error.
if err != nil {
if conflict {
pr.Status = models.PullRequestStatusConflict
log.Trace("Found %d files conflicted: %v", len(pr.ConflictedFiles), pr.ConflictedFiles)
return nil
}
return fmt.Errorf("git apply --check: %v", err)
}
pr.Status = models.PullRequestStatusMergeable
return true, nil
}
return false, fmt.Errorf("git apply --check: %v", err)
}
return false, nil
}
// CheckFileProtection check file Protection
func CheckFileProtection(oldCommitID, newCommitID string, patterns []glob.Glob, limit int, env []string, repo *git.Repository) ([]string, error) {
// 1. If there are no patterns short-circuit and just return nil
if len(patterns) == 0 {
return nil, nil
}
// 2. Prep the pipe
stdoutReader, stdoutWriter, err := os.Pipe()
if err != nil {
log.Error("Unable to create os.Pipe for %s", repo.Path)
return nil, err
}
defer func() {
_ = stdoutReader.Close()
_ = stdoutWriter.Close()
}()
changedProtectedFiles := make([]string, 0, limit)
// 3. Run `git diff --name-only` to get the names of the changed files
err = git.NewCommand("diff", "--name-only", oldCommitID, newCommitID).
RunInDirTimeoutEnvFullPipelineFunc(env, -1, repo.Path,
stdoutWriter, nil, nil,
func(ctx context.Context, cancel context.CancelFunc) error {
// Close the writer end of the pipe to begin processing
_ = stdoutWriter.Close()
defer func() {
// Close the reader on return to terminate the git command if necessary
_ = stdoutReader.Close()
}()
// Now scan the output from the command
scanner := bufio.NewScanner(stdoutReader)
for scanner.Scan() {
path := strings.TrimSpace(scanner.Text())
if len(path) == 0 {
continue
}
lpath := strings.ToLower(path)
for _, pat := range patterns {
if pat.Match(lpath) {
changedProtectedFiles = append(changedProtectedFiles, path)
break
}
}
if len(changedProtectedFiles) >= limit {
break
}
}
if len(changedProtectedFiles) > 0 {
return models.ErrFilePathProtected{
Path: changedProtectedFiles[0],
}
}
return scanner.Err()
})
// 4. log real errors if there are any...
if err != nil && !models.IsErrFilePathProtected(err) {
log.Error("Unable to check file protection for commits from %s to %s in %s: %v", oldCommitID, newCommitID, repo.Path, err)
}
return changedProtectedFiles, err
}
// checkPullFilesProtection check if pr changed protected files and save results
func checkPullFilesProtection(pr *models.PullRequest, gitRepo *git.Repository) error {
if err := pr.LoadProtectedBranch(); err != nil {
return err
}
if pr.ProtectedBranch == nil {
pr.ChangedProtectedFiles = nil
return nil
}
var err error
pr.ChangedProtectedFiles, err = CheckFileProtection(pr.MergeBase, "tracking", pr.ProtectedBranch.GetProtectedFilePatterns(), 10, os.Environ(), gitRepo)
if err != nil && !models.IsErrFilePathProtected(err) {
return err
}
return nil
}

2
services/pull/pull.go
View file

@ -173,7 +173,7 @@ func ChangeTargetBranch(pr *models.PullRequest, doer *models.User, targetBranch
pr.CommitsAhead = divergence.Ahead
pr.CommitsBehind = divergence.Behind
if err := pr.UpdateColsIfNotMerged("merge_base", "status", "conflicted_files", "base_branch", "commits_ahead", "commits_behind"); err != nil {
if err := pr.UpdateColsIfNotMerged("merge_base", "status", "conflicted_files", "changed_protected_files", "base_branch", "commits_ahead", "commits_behind"); err != nil {
return err
}

6
templates/repo/diff/box.tmpl
View file

@ -68,6 +68,9 @@
</div>
<span class="file">{{$file.Name}}</span>
<div>{{$.i18n.Tr "repo.diff.file_suppressed"}}</div>
{{if $file.IsProtected}}
<span class="ui right basic label">{{$.i18n.Tr "repo.diff.protected"}}</span>
{{end}}
{{if and (not $file.IsSubmodule) (not $.PageIsWiki)}}
{{if $file.IsDeleted}}
<a class="ui basic grey tiny button" rel="nofollow" href="{{EscapePound $.BeforeSourcePath}}/{{EscapePound .Name}}">{{$.i18n.Tr "repo.diff.view_file"}}</a>
@ -104,6 +107,9 @@
{{end}}
</div>
<span class="file">{{if $file.IsRenamed}}{{$file.OldName}} &rarr; {{end}}{{$file.Name}}{{if .IsLFSFile}} ({{$.i18n.Tr "repo.stored_lfs"}}){{end}}</span>
{{if $file.IsProtected}}
<span class="ui right basic label">{{$.i18n.Tr "repo.diff.protected"}}</span>
{{end}}
{{if and (not $file.IsSubmodule) (not $.PageIsWiki)}}
{{if $file.IsDeleted}}
<a class="ui basic grey tiny button" rel="nofollow" href="{{EscapePound $.BeforeSourcePath}}/{{EscapePound .Name}}">{{$.i18n.Tr "repo.diff.view_file"}}</a>

23
templates/repo/issue/view_content/pull.tmpl
View file

@ -67,6 +67,7 @@
{{- else if .IsBlockedByApprovals}}red
{{- else if .IsBlockedByRejection}}red
{{- else if .IsBlockedByOutdatedBranch}}red
{{- else if .IsBlockedByChangedProtectedFiles}}red
{{- else if and .EnableStatusCheck (or .RequiredStatusCheckState.IsFailure .RequiredStatusCheckState.IsError)}}red
{{- else if and .EnableStatusCheck (or (not $.LatestCommitStatus) .RequiredStatusCheckState.IsPending .RequiredStatusCheckState.IsWarning)}}yellow
{{- else if and .AllowMerge .RequireSigned (not .WillSign)}}red
@ -145,6 +146,16 @@
<i class="icon icon-octicon">{{svg "octicon-x"}}</i>
{{$.i18n.Tr "repo.pulls.blocked_by_outdated_branch"}}
</div>
{{else if .IsBlockedByChangedProtectedFiles}}
<div class="item text red">
<i class="icon icon-octicon">{{svg "octicon-x" 16}}</i>
{{$.i18n.Tr (TrN $.i18n.Lang $.ChangedProtectedFilesNum "repo.pulls.blocked_by_changed_protected_files_1" "repo.pulls.blocked_by_changed_protected_files_n") | Safe }}
<div class="ui ordered list">
{{range .ChangedProtectedFiles}}
<div data-value="-" class="item">{{.}}</div>
{{end}}
</div>
</div>
{{else if and .EnableStatusCheck (or .RequiredStatusCheckState.IsError .RequiredStatusCheckState.IsFailure)}}
<div class="item text red">
<i class="icon icon-octicon">{{svg "octicon-x"}}</i>
@ -165,7 +176,7 @@
{{$.i18n.Tr (printf "repo.signing.wont_sign.%s" .WontSignReason) }}
</div>
{{end}}
{{$notAllOverridableChecksOk := or .IsBlockedByApprovals .IsBlockedByRejection .IsBlockedByOutdatedBranch (and .EnableStatusCheck (not .RequiredStatusCheckState.IsSuccess))}}
{{$notAllOverridableChecksOk := or .IsBlockedByApprovals .IsBlockedByRejection .IsBlockedByOutdatedBranch .IsBlockedByChangedProtectedFiles (and .EnableStatusCheck (not .RequiredStatusCheckState.IsSuccess))}}
{{if and (or $.IsRepoAdmin (not $notAllOverridableChecksOk)) (or (not .AllowMerge) (not .RequireSigned) .WillSign)}}
{{if $notAllOverridableChecksOk}}
<div class="item text yellow">
@ -360,6 +371,16 @@
<i class="icon icon-octicon">{{svg "octicon-x"}}</i>
{{$.i18n.Tr "repo.pulls.blocked_by_outdated_branch"}}
</div>
{{else if .IsBlockedByChangedProtectedFiles}}
<div class="item text red">
<i class="icon icon-octicon">{{svg "octicon-x" 16}}</i>
{{$.i18n.Tr (TrN $.i18n.Lang $.ChangedProtectedFilesNum "repo.pulls.blocked_by_changed_protected_files_1" "repo.pulls.blocked_by_changed_protected_files_n") | Safe }}
<div class="ui ordered list">
{{range .ChangedProtectedFiles}}
<div data-value="-" class="item">{{.}}</div>
{{end}}
</div>
</div>
{{else if and .EnableStatusCheck (not .RequiredStatusCheckState.IsSuccess)}}
<div class="item text red">
{{svg "octicon-x"}}