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
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
|
// 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 webhook
import (
"crypto/hmac"
"crypto/sha256"
"encoding/hex"
"fmt"
"strings"
"code.gitea.io/gitea/models"
"code.gitea.io/gitea/modules/git"
"code.gitea.io/gitea/modules/log"
"code.gitea.io/gitea/modules/setting"
api "code.gitea.io/gitea/modules/structs"
"code.gitea.io/gitea/modules/sync"
"github.com/gobwas/glob"
)
// hookQueue is a global queue of web hooks
var hookQueue = sync.NewUniqueQueue(setting.Webhook.QueueLength)
// getPayloadBranch returns branch for hook event, if applicable.
func getPayloadBranch(p api.Payloader) string {
switch pp := p.(type) {
case *api.CreatePayload:
if pp.RefType == "branch" {
return pp.Ref
}
case *api.DeletePayload:
if pp.RefType == "branch" {
return pp.Ref
}
case *api.PushPayload:
if strings.HasPrefix(pp.Ref, git.BranchPrefix) {
return pp.Ref[len(git.BranchPrefix):]
}
}
return ""
}
// PrepareWebhook adds special webhook to task queue for given payload.
func PrepareWebhook(w *models.Webhook, repo *models.Repository, event models.HookEventType, p api.Payloader) error {
if err := prepareWebhook(w, repo, event, p); err != nil {
return err
}
go hookQueue.Add(repo.ID)
return nil
}
func checkBranch(w *models.Webhook, branch string) bool {
if w.BranchFilter == "" || w.BranchFilter == "*" {
return true
}
g, err := glob.Compile(w.BranchFilter)
if err != nil {
// should not really happen as BranchFilter is validated
log.Error("CheckBranch failed: %s", err)
return false
}
return g.Match(branch)
}
func prepareWebhook(w *models.Webhook, repo *models.Repository, event models.HookEventType, p api.Payloader) error {
for _, e := range w.EventCheckers() {
if event == e.Type {
if !e.Has() {
return nil
}
}
}
// If payload has no associated branch (e.g. it's a new tag, issue, etc.),
// branch filter has no effect.
if branch := getPayloadBranch(p); branch != "" {
if !checkBranch(w, branch) {
log.Info("Branch %q doesn't match branch filter %q, skipping", branch, w.BranchFilter)
return nil
}
}
var payloader api.Payloader
var err error
// Use separate objects so modifications won't be made on payload on non-Gogs/Gitea type hooks.
switch w.HookTaskType {
case models.SLACK:
payloader, err = GetSlackPayload(p, event, w.Meta)
if err != nil {
return fmt.Errorf("GetSlackPayload: %v", err)
}
case models.DISCORD:
payloader, err = GetDiscordPayload(p, event, w.Meta)
if err != nil {
return fmt.Errorf("GetDiscordPayload: %v", err)
}
case models.DINGTALK:
payloader, err = GetDingtalkPayload(p, event, w.Meta)
if err != nil {
return fmt.Errorf("GetDingtalkPayload: %v", err)
}
case models.TELEGRAM:
payloader, err = GetTelegramPayload(p, event, w.Meta)
if err != nil {
return fmt.Errorf("GetTelegramPayload: %v", err)
}
case models.MSTEAMS:
payloader, err = GetMSTeamsPayload(p, event, w.Meta)
if err != nil {
return fmt.Errorf("GetMSTeamsPayload: %v", err)
}
default:
p.SetSecret(w.Secret)
payloader = p
}
var signature string
if len(w.Secret) > 0 {
data, err := payloader.JSONPayload()
if err != nil {
log.Error("prepareWebhooks.JSONPayload: %v", err)
}
sig := hmac.New(sha256.New, []byte(w.Secret))
_, err = sig.Write(data)
if err != nil {
log.Error("prepareWebhooks.sigWrite: %v", err)
}
signature = hex.EncodeToString(sig.Sum(nil))
}
if err = models.CreateHookTask(&models.HookTask{
RepoID: repo.ID,
HookID: w.ID,
Type: w.HookTaskType,
URL: w.URL,
Signature: signature,
Payloader: payloader,
HTTPMethod: w.HTTPMethod,
ContentType: w.ContentType,
EventType: event,
IsSSL: w.IsSSL,
}); err != nil {
return fmt.Errorf("CreateHookTask: %v", err)
}
return nil
}
// PrepareWebhooks adds new webhooks to task queue for given payload.
func PrepareWebhooks(repo *models.Repository, event models.HookEventType, p api.Payloader) error {
if err := prepareWebhooks(repo, event, p); err != nil {
return err
}
go hookQueue.Add(repo.ID)
return nil
}
func prepareWebhooks(repo *models.Repository, event models.HookEventType, p api.Payloader) error {
ws, err := models.GetActiveWebhooksByRepoID(repo.ID)
if err != nil {
return fmt.Errorf("GetActiveWebhooksByRepoID: %v", err)
}
// check if repo belongs to org and append additional webhooks
if repo.MustOwner().IsOrganization() {
// get hooks for org
orgHooks, err := models.GetActiveWebhooksByOrgID(repo.OwnerID)
if err != nil {
return fmt.Errorf("GetActiveWebhooksByOrgID: %v", err)
}
ws = append(ws, orgHooks...)
}
if len(ws) == 0 {
return nil
}
for _, w := range ws {
if err = prepareWebhook(w, repo, event, p); err != nil {
return err
}
}
return nil
}
|