mirror of
https://codeberg.org/forgejo/forgejo.git
synced 2024-08-28 21:36:05 +02:00
Allow to set protected file patterns that can not be changed under no conditions (#10806)
Co-Authored-By: zeripath <art27@cantab.net>
This commit is contained in:
parent
52cfd2743c
commit
bbd910ed1b
15 changed files with 202 additions and 23 deletions
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@ -7,6 +7,7 @@ package models
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import (
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"context"
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"fmt"
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"strings"
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"time"
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"code.gitea.io/gitea/modules/base"
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@ -15,6 +16,7 @@ import (
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"code.gitea.io/gitea/modules/timeutil"
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"code.gitea.io/gitea/modules/util"
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"github.com/gobwas/glob"
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"github.com/unknwon/com"
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)
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@ -47,6 +49,7 @@ type ProtectedBranch struct {
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BlockOnRejectedReviews bool `xorm:"NOT NULL DEFAULT false"`
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DismissStaleApprovals bool `xorm:"NOT NULL DEFAULT false"`
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RequireSignedCommits bool `xorm:"NOT NULL DEFAULT false"`
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ProtectedFilePatterns string `xorm:"TEXT"`
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CreatedUnix timeutil.TimeStamp `xorm:"created"`
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UpdatedUnix timeutil.TimeStamp `xorm:"updated"`
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@ -190,6 +193,22 @@ func (protectBranch *ProtectedBranch) MergeBlockedByRejectedReview(pr *PullReque
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return rejectExist
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}
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// GetProtectedFilePatterns parses a semicolon separated list of protected file patterns and returns a glob.Glob slice
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func (protectBranch *ProtectedBranch) GetProtectedFilePatterns() []glob.Glob {
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extarr := make([]glob.Glob, 0, 10)
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for _, expr := range strings.Split(strings.ToLower(protectBranch.ProtectedFilePatterns), ";") {
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expr = strings.TrimSpace(expr)
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if expr != "" {
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if g, err := glob.Compile(expr, '.', '/'); err != nil {
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log.Info("Invalid glob expresion '%s' (skipped): %v", expr, err)
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} else {
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extarr = append(extarr, g)
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}
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}
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}
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return extarr
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}
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// GetProtectedBranchByRepoID getting protected branch by repo ID
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func GetProtectedBranchByRepoID(repoID int64) ([]*ProtectedBranch, error) {
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protectedBranches := make([]*ProtectedBranch, 0)
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@ -916,6 +916,25 @@ func (err ErrFilePathInvalid) Error() string {
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return fmt.Sprintf("path is invalid [path: %s]", err.Path)
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}
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// ErrFilePathProtected represents a "FilePathProtected" kind of error.
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type ErrFilePathProtected struct {
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Message string
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Path string
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}
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// IsErrFilePathProtected checks if an error is an ErrFilePathProtected.
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func IsErrFilePathProtected(err error) bool {
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_, ok := err.(ErrFilePathProtected)
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return ok
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}
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func (err ErrFilePathProtected) Error() string {
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if err.Message != "" {
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return err.Message
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}
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return fmt.Sprintf("path is protected and can not be changed [path: %s]", err.Path)
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}
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// ErrUserDoesNotHaveAccessToRepo represets an error where the user doesn't has access to a given repo.
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type ErrUserDoesNotHaveAccessToRepo struct {
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UserID int64
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@ -196,6 +196,8 @@ var migrations = []Migration{
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NewMigration("Expand webhooks for more granularity", expandWebhooks),
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// v131 -> v132
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NewMigration("Add IsSystemWebhook column to webhooks table", addSystemWebhookColumn),
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// v132 -> v133
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NewMigration("Add Branch Protection Protected Files Column", addBranchProtectionProtectedFilesColumn),
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}
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// Migrate database to current version
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22
models/migrations/v132.go
Normal file
22
models/migrations/v132.go
Normal file
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@ -0,0 +1,22 @@
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// Copyright 2020 The Gitea Authors. All rights reserved.
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// Use of this source code is governed by a MIT-style
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// license that can be found in the LICENSE file.
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package migrations
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import (
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"fmt"
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"xorm.io/xorm"
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)
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func addBranchProtectionProtectedFilesColumn(x *xorm.Engine) error {
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type ProtectedBranch struct {
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ProtectedFilePatterns string `xorm:"TEXT"`
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}
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if err := x.Sync2(new(ProtectedBranch)); err != nil {
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return fmt.Errorf("Sync2: %v", err)
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}
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return nil
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}
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@ -175,6 +175,7 @@ type ProtectBranchForm struct {
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BlockOnRejectedReviews bool
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DismissStaleApprovals bool
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RequireSignedCommits bool
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ProtectedFilePatterns string
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}
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// Validate validates the fields
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@ -120,6 +120,7 @@ func ToBranchProtection(bp *models.ProtectedBranch) *api.BranchProtection {
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BlockOnRejectedReviews: bp.BlockOnRejectedReviews,
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DismissStaleApprovals: bp.DismissStaleApprovals,
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RequireSignedCommits: bp.RequireSignedCommits,
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ProtectedFilePatterns: bp.ProtectedFilePatterns,
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Created: bp.CreatedUnix.AsTime(),
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Updated: bp.UpdatedUnix.AsTime(),
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}
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@ -60,21 +60,31 @@ func DeleteRepoFile(repo *models.Repository, doer *models.User, opts *DeleteRepo
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if err != nil {
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return nil, err
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}
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if protectedBranch != nil && !protectedBranch.CanUserPush(doer.ID) {
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return nil, models.ErrUserCannotCommit{
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UserName: doer.LowerName,
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}
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}
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if protectedBranch != nil && protectedBranch.RequireSignedCommits {
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_, _, err := repo.SignCRUDAction(doer, repo.RepoPath(), opts.OldBranch)
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if err != nil {
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if !models.IsErrWontSign(err) {
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return nil, err
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}
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if protectedBranch != nil {
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if !protectedBranch.CanUserPush(doer.ID) {
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return nil, models.ErrUserCannotCommit{
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UserName: doer.LowerName,
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}
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}
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if protectedBranch.RequireSignedCommits {
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_, _, err := repo.SignCRUDAction(doer, repo.RepoPath(), opts.OldBranch)
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if err != nil {
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if !models.IsErrWontSign(err) {
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return nil, err
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}
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return nil, models.ErrUserCannotCommit{
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UserName: doer.LowerName,
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}
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}
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}
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patterns := protectedBranch.GetProtectedFilePatterns()
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for _, pat := range patterns {
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if pat.Match(strings.ToLower(opts.TreePath)) {
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return nil, models.ErrFilePathProtected{
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Path: opts.TreePath,
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}
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}
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}
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}
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}
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@ -156,21 +156,31 @@ func CreateOrUpdateRepoFile(repo *models.Repository, doer *models.User, opts *Up
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if err != nil {
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return nil, err
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}
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if protectedBranch != nil && !protectedBranch.CanUserPush(doer.ID) {
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return nil, models.ErrUserCannotCommit{
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UserName: doer.LowerName,
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}
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}
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if protectedBranch != nil && protectedBranch.RequireSignedCommits {
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_, _, err := repo.SignCRUDAction(doer, repo.RepoPath(), opts.OldBranch)
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if err != nil {
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if !models.IsErrWontSign(err) {
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return nil, err
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}
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if protectedBranch != nil {
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if !protectedBranch.CanUserPush(doer.ID) {
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return nil, models.ErrUserCannotCommit{
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UserName: doer.LowerName,
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}
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}
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if protectedBranch.RequireSignedCommits {
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_, _, err := repo.SignCRUDAction(doer, repo.RepoPath(), opts.OldBranch)
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if err != nil {
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if !models.IsErrWontSign(err) {
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return nil, err
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}
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return nil, models.ErrUserCannotCommit{
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UserName: doer.LowerName,
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}
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}
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}
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patterns := protectedBranch.GetProtectedFilePatterns()
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for _, pat := range patterns {
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if pat.Match(strings.ToLower(opts.TreePath)) {
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return nil, models.ErrFilePathProtected{
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Path: opts.TreePath,
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}
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}
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}
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}
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}
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@ -41,6 +41,7 @@ type BranchProtection struct {
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BlockOnRejectedReviews bool `json:"block_on_rejected_reviews"`
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DismissStaleApprovals bool `json:"dismiss_stale_approvals"`
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RequireSignedCommits bool `json:"require_signed_commits"`
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ProtectedFilePatterns string `json:"protected_file_patterns"`
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// swagger:strfmt date-time
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Created time.Time `json:"created_at"`
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// swagger:strfmt date-time
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@ -67,6 +68,7 @@ type CreateBranchProtectionOption struct {
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BlockOnRejectedReviews bool `json:"block_on_rejected_reviews"`
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DismissStaleApprovals bool `json:"dismiss_stale_approvals"`
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RequireSignedCommits bool `json:"require_signed_commits"`
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ProtectedFilePatterns string `json:"protected_file_patterns"`
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}
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// EditBranchProtectionOption options for editing a branch protection
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@ -88,4 +90,5 @@ type EditBranchProtectionOption struct {
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BlockOnRejectedReviews *bool `json:"block_on_rejected_reviews"`
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DismissStaleApprovals *bool `json:"dismiss_stale_approvals"`
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RequireSignedCommits *bool `json:"require_signed_commits"`
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ProtectedFilePatterns *string `json:"protected_file_patterns"`
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}
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@ -1488,6 +1488,8 @@ settings.dismiss_stale_approvals = Dismiss stale approvals
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settings.dismiss_stale_approvals_desc = When new commits that change the content of the pull request are pushed to the branch, old approvals will be dismissed.
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settings.require_signed_commits = Require Signed Commits
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settings.require_signed_commits_desc = Reject pushes to this branch if they are unsigned or unverifiable
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settings.protect_protected_file_patterns = Protected file patterns (separated using semicolon ';'):
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settings.protect_protected_file_patterns_desc = Protected files that are not allowed to be changed directly even if user has rights to add, edit or delete files in this branch. Multiple patterns can be separated using semicolon (';'). See <a href="https://godoc.org/github.com/gobwas/glob#Compile">github.com/gobwas/glob</a> documentation for pattern syntax. Examples: <code>.drone.yml</code>, <code>/docs/**/*.txt</code>.
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settings.add_protected_branch = Enable protection
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settings.delete_protected_branch = Disable protection
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settings.update_protect_branch_success = Branch protection for branch '%s' has been updated.
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@ -339,6 +339,7 @@ func CreateBranchProtection(ctx *context.APIContext, form api.CreateBranchProtec
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BlockOnRejectedReviews: form.BlockOnRejectedReviews,
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DismissStaleApprovals: form.DismissStaleApprovals,
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RequireSignedCommits: form.RequireSignedCommits,
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ProtectedFilePatterns: form.ProtectedFilePatterns,
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}
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err = models.UpdateProtectBranch(ctx.Repo.Repository, protectBranch, models.WhitelistOptions{
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@ -470,6 +471,10 @@ func EditBranchProtection(ctx *context.APIContext, form api.EditBranchProtection
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protectBranch.RequireSignedCommits = *form.RequireSignedCommits
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}
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if form.ProtectedFilePatterns != nil {
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protectBranch.ProtectedFilePatterns = *form.ProtectedFilePatterns
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}
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var whitelistUsers []int64
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if form.PushWhitelistUsernames != nil {
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whitelistUsers, err = models.GetUserIDsByNames(form.PushWhitelistUsernames, false)
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@ -22,9 +22,10 @@ import (
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"code.gitea.io/gitea/modules/setting"
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"code.gitea.io/gitea/modules/util"
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pull_service "code.gitea.io/gitea/services/pull"
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"github.com/go-git/go-git/v5/plumbing"
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"gitea.com/macaron/macaron"
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"github.com/go-git/go-git/v5/plumbing"
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"github.com/gobwas/glob"
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)
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func verifyCommits(oldCommitID, newCommitID string, repo *git.Repository, env []string) error {
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@ -57,6 +58,52 @@ func verifyCommits(oldCommitID, newCommitID string, repo *git.Repository, env []
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return err
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}
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func checkFileProtection(oldCommitID, newCommitID string, patterns []glob.Glob, repo *git.Repository, env []string) error {
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stdoutReader, stdoutWriter, err := os.Pipe()
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if err != nil {
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log.Error("Unable to create os.Pipe for %s", repo.Path)
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return err
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}
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defer func() {
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_ = stdoutReader.Close()
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_ = stdoutWriter.Close()
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}()
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err = git.NewCommand("diff", "--name-only", oldCommitID+"..."+newCommitID).
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RunInDirTimeoutEnvFullPipelineFunc(env, -1, repo.Path,
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stdoutWriter, nil, nil,
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func(ctx context.Context, cancel context.CancelFunc) error {
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_ = stdoutWriter.Close()
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scanner := bufio.NewScanner(stdoutReader)
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for scanner.Scan() {
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path := strings.TrimSpace(scanner.Text())
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if len(path) == 0 {
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continue
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}
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lpath := strings.ToLower(path)
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for _, pat := range patterns {
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if pat.Match(lpath) {
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cancel()
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return models.ErrFilePathProtected{
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Path: path,
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}
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}
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}
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}
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if err := scanner.Err(); err != nil {
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return err
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}
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_ = stdoutReader.Close()
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return err
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})
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if err != nil && !models.IsErrFilePathProtected(err) {
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log.Error("Unable to check file protection for commits from %s to %s in %s: %v", oldCommitID, newCommitID, repo.Path, err)
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}
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return err
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}
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func readAndVerifyCommitsFromShaReader(input io.ReadCloser, repo *git.Repository, env []string) error {
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scanner := bufio.NewScanner(input)
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for scanner.Scan() {
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@ -216,6 +263,26 @@ func HookPreReceive(ctx *macaron.Context, opts private.HookOptions) {
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}
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}
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globs := protectBranch.GetProtectedFilePatterns()
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if len(globs) > 0 {
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err := checkFileProtection(oldCommitID, newCommitID, globs, gitRepo, env)
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if err != nil {
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if !models.IsErrFilePathProtected(err) {
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log.Error("Unable to check file protection for commits from %s to %s in %-v: %v", oldCommitID, newCommitID, repo, err)
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ctx.JSON(http.StatusInternalServerError, map[string]interface{}{
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"err": fmt.Sprintf("Unable to check file protection for commits from %s to %s: %v", oldCommitID, newCommitID, err),
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})
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return
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}
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protectedFilePath := err.(models.ErrFilePathProtected).Path
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log.Warn("Forbidden: Branch: %s in %-v is protected from changing file %s", branchName, repo, protectedFilePath)
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ctx.JSON(http.StatusForbidden, map[string]interface{}{
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"err": fmt.Sprintf("branch %s is protected from changing file %s", branchName, protectedFilePath),
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})
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return
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}
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}
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canPush := false
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if opts.IsDeployKey {
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canPush = protectBranch.CanPush && (!protectBranch.EnableWhitelist || protectBranch.WhitelistDeployKeys)
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@ -247,6 +247,7 @@ func SettingsProtectedBranchPost(ctx *context.Context, f auth.ProtectBranchForm)
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protectBranch.BlockOnRejectedReviews = f.BlockOnRejectedReviews
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protectBranch.DismissStaleApprovals = f.DismissStaleApprovals
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protectBranch.RequireSignedCommits = f.RequireSignedCommits
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protectBranch.ProtectedFilePatterns = f.ProtectedFilePatterns
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err = models.UpdateProtectBranch(ctx.Repo.Repository, protectBranch, models.WhitelistOptions{
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UserIDs: whitelistUsers,
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@ -225,6 +225,11 @@
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<p class="help">{{.i18n.Tr "repo.settings.require_signed_commits_desc"}}</p>
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</div>
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</div>
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<div class="field">
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<label for="protected_file_patterns">{{.i18n.Tr "repo.settings.protect_protected_file_patterns"}}</label>
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<input name="protected_file_patterns" id="protected_file_patterns" type="text" value="{{.Branch.ProtectedFilePatterns}}">
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<p class="help">{{.i18n.Tr "repo.settings.protect_protected_file_patterns_desc" | Safe}}</p>
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</div>
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</div>
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@ -9818,6 +9818,10 @@
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},
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"x-go-name": "MergeWhitelistUsernames"
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},
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"protected_file_patterns": {
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"type": "string",
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"x-go-name": "ProtectedFilePatterns"
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},
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"push_whitelist_deploy_keys": {
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"type": "boolean",
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"x-go-name": "PushWhitelistDeployKeys"
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@ -10129,6 +10133,10 @@
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},
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"x-go-name": "MergeWhitelistUsernames"
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},
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"protected_file_patterns": {
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"type": "string",
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"x-go-name": "ProtectedFilePatterns"
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},
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"push_whitelist_deploy_keys": {
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"type": "boolean",
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"x-go-name": "PushWhitelistDeployKeys"
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@ -10933,6 +10941,10 @@
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},
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"x-go-name": "MergeWhitelistUsernames"
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},
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"protected_file_patterns": {
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"type": "string",
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"x-go-name": "ProtectedFilePatterns"
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},
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"push_whitelist_deploy_keys": {
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"type": "boolean",
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"x-go-name": "PushWhitelistDeployKeys"
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