1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
|
// Copyright 2019 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 models
import (
"code.gitea.io/gitea/modules/git"
"code.gitea.io/gitea/modules/log"
"code.gitea.io/gitea/modules/setting"
)
// SignMerge determines if we should sign a PR merge commit to the base repository
func (pr *PullRequest) SignMerge(u *User, tmpBasePath, baseCommit, headCommit string) (bool, string, error) {
if err := pr.GetBaseRepo(); err != nil {
log.Error("Unable to get Base Repo for pull request")
return false, "", err
}
repo := pr.BaseRepo
signingKey := signingKey(repo.RepoPath())
if signingKey == "" {
return false, "", &ErrWontSign{noKey}
}
rules := signingModeFromStrings(setting.Repository.Signing.Merges)
var gitRepo *git.Repository
var err error
for _, rule := range rules {
switch rule {
case never:
return false, "", &ErrWontSign{never}
case always:
break
case pubkey:
keys, err := ListGPGKeys(u.ID)
if err != nil {
return false, "", err
}
if len(keys) == 0 {
return false, "", &ErrWontSign{pubkey}
}
case twofa:
twofaModel, err := GetTwoFactorByUID(u.ID)
if err != nil {
return false, "", err
}
if twofaModel == nil {
return false, "", &ErrWontSign{twofa}
}
case approved:
protectedBranch, err := GetProtectedBranchBy(repo.ID, pr.BaseBranch)
if err != nil {
return false, "", err
}
if protectedBranch == nil {
return false, "", &ErrWontSign{approved}
}
if protectedBranch.GetGrantedApprovalsCount(pr) < 1 {
return false, "", &ErrWontSign{approved}
}
case baseSigned:
if gitRepo == nil {
gitRepo, err = git.OpenRepository(tmpBasePath)
if err != nil {
return false, "", err
}
defer gitRepo.Close()
}
commit, err := gitRepo.GetCommit(baseCommit)
if err != nil {
return false, "", err
}
verification := ParseCommitWithSignature(commit)
if !verification.Verified {
return false, "", &ErrWontSign{baseSigned}
}
case headSigned:
if gitRepo == nil {
gitRepo, err = git.OpenRepository(tmpBasePath)
if err != nil {
return false, "", err
}
defer gitRepo.Close()
}
commit, err := gitRepo.GetCommit(headCommit)
if err != nil {
return false, "", err
}
verification := ParseCommitWithSignature(commit)
if !verification.Verified {
return false, "", &ErrWontSign{headSigned}
}
case commitsSigned:
if gitRepo == nil {
gitRepo, err = git.OpenRepository(tmpBasePath)
if err != nil {
return false, "", err
}
defer gitRepo.Close()
}
commit, err := gitRepo.GetCommit(headCommit)
if err != nil {
return false, "", err
}
verification := ParseCommitWithSignature(commit)
if !verification.Verified {
return false, "", &ErrWontSign{commitsSigned}
}
// need to work out merge-base
mergeBaseCommit, _, err := gitRepo.GetMergeBase("", baseCommit, headCommit)
if err != nil {
return false, "", err
}
commitList, err := commit.CommitsBeforeUntil(mergeBaseCommit)
if err != nil {
return false, "", err
}
for e := commitList.Front(); e != nil; e = e.Next() {
commit = e.Value.(*git.Commit)
verification := ParseCommitWithSignature(commit)
if !verification.Verified {
return false, "", &ErrWontSign{commitsSigned}
}
}
}
}
return true, signingKey, nil
}
|
