Webhook support custom proxy (#8760)

* Webhook support custom proxy

* Add glob support on webhook proxy host rules

* fix app.ini.sample

* improve code and app.ini.sample

* update cheetsheet about added webhook options
tokarchuk/v1.17
Lunny Xiao 5 years ago committed by techknowlogick
parent 016a5d0438
commit 55bdc9aa38
  1. 4
      custom/conf/app.ini.sample
  2. 2
      docs/content/doc/advanced/config-cheat-sheet.en-us.md
  3. 2
      docs/content/doc/advanced/config-cheat-sheet.zh-cn.md
  4. 21
      modules/setting/webhook.go
  5. 36
      modules/webhook/deliver.go
  6. 39
      modules/webhook/deliver_test.go

@ -511,6 +511,10 @@ DELIVER_TIMEOUT = 5
SKIP_TLS_VERIFY = false
; Number of history information in each page
PAGING_NUM = 10
; Proxy server URL, support http://, https//, socks://, blank will follow environment http_proxy/https_proxy
PROXY_URL =
; Comma separated list of host names requiring proxy. Glob patterns (*) are accepted; use ** to match all hosts.
PROXY_HOSTS =
[mailer]
ENABLED = false

@ -312,6 +312,8 @@ relation to port exhaustion.
- `DELIVER_TIMEOUT`: **5**: Delivery timeout (sec) for shooting webhooks.
- `SKIP_TLS_VERIFY`: **false**: Allow insecure certification.
- `PAGING_NUM`: **10**: Number of webhook history events that are shown in one page.
- `PROXY_URL`: ****: Proxy server URL, support http://, https//, socks://, blank will follow environment http_proxy/https_proxy
- `PROXY_HOSTS`: ****: Comma separated list of host names requiring proxy. Glob patterns (*) are accepted; use ** to match all hosts.
## Mailer (`mailer`)

@ -129,6 +129,8 @@ menu:
- `DELIVER_TIMEOUT`: 请求webhooks的超时时间,单位秒。
- `SKIP_TLS_VERIFY`: 是否允许不安全的证书。
- `PAGING_NUM`: 每页显示的Webhook 历史数量。
- `PROXY_URL`: ****: 代理服务器网址,支持 http://, https//, socks://, 为空将使用环境变量中的 http_proxy/https_proxy 设置。
- `PROXY_HOSTS`: ****: 逗号分隔的需要代理的域名或IP地址。支持 * 号匹配符,使用 ** 匹配所有域名和IP地址。
## Mailer (`mailer`)

@ -4,6 +4,12 @@
package setting
import (
"net/url"
"code.gitea.io/gitea/modules/log"
)
var (
// Webhook settings
Webhook = struct {
@ -12,11 +18,16 @@ var (
SkipTLSVerify bool
Types []string
PagingNum int
ProxyURL string
ProxyURLFixed *url.URL
ProxyHosts []string
}{
QueueLength: 1000,
DeliverTimeout: 5,
SkipTLSVerify: false,
PagingNum: 10,
ProxyURL: "",
ProxyHosts: []string{},
}
)
@ -27,4 +38,14 @@ func newWebhookService() {
Webhook.SkipTLSVerify = sec.Key("SKIP_TLS_VERIFY").MustBool()
Webhook.Types = []string{"gitea", "gogs", "slack", "discord", "dingtalk", "telegram", "msteams"}
Webhook.PagingNum = sec.Key("PAGING_NUM").MustInt(10)
Webhook.ProxyURL = sec.Key("PROXY_URL").MustString("")
if Webhook.ProxyURL != "" {
var err error
Webhook.ProxyURLFixed, err = url.Parse(Webhook.ProxyURL)
if err != nil {
log.Error("Webhook PROXY_URL is not valid")
Webhook.ProxyURL = ""
}
}
Webhook.ProxyHosts = sec.Key("PROXY_HOSTS").Strings(",")
}

@ -12,11 +12,13 @@ import (
"net/http"
"net/url"
"strings"
"sync"
"time"
"code.gitea.io/gitea/models"
"code.gitea.io/gitea/modules/log"
"code.gitea.io/gitea/modules/setting"
"github.com/gobwas/glob"
"github.com/unknwon/com"
)
@ -182,7 +184,36 @@ func DeliverHooks() {
}
}
var webhookHTTPClient *http.Client
var (
webhookHTTPClient *http.Client
once sync.Once
hostMatchers []glob.Glob
)
func webhookProxy() func(req *http.Request) (*url.URL, error) {
if setting.Webhook.ProxyURL == "" {
return http.ProxyFromEnvironment
}
once.Do(func() {
for _, h := range setting.Webhook.ProxyHosts {
if g, err := glob.Compile(h); err == nil {
hostMatchers = append(hostMatchers, g)
} else {
log.Error("glob.Compile %s failed: %v", h, err)
}
}
})
return func(req *http.Request) (*url.URL, error) {
for _, v := range hostMatchers {
if v.Match(req.URL.Host) {
return http.ProxyURL(setting.Webhook.ProxyURLFixed)(req)
}
}
return http.ProxyFromEnvironment(req)
}
}
// InitDeliverHooks starts the hooks delivery thread
func InitDeliverHooks() {
@ -191,7 +222,7 @@ func InitDeliverHooks() {
webhookHTTPClient = &http.Client{
Transport: &http.Transport{
TLSClientConfig: &tls.Config{InsecureSkipVerify: setting.Webhook.SkipTLSVerify},
Proxy: http.ProxyFromEnvironment,
Proxy: webhookProxy(),
Dial: func(netw, addr string) (net.Conn, error) {
conn, err := net.DialTimeout(netw, addr, timeout)
if err != nil {
@ -199,7 +230,6 @@ func InitDeliverHooks() {
}
return conn, conn.SetDeadline(time.Now().Add(timeout))
},
},
}

@ -0,0 +1,39 @@
// 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 (
"net/http"
"net/url"
"testing"
"code.gitea.io/gitea/modules/setting"
"github.com/stretchr/testify/assert"
)
func TestWebhookProxy(t *testing.T) {
setting.Webhook.ProxyURL = "http://localhost:8080"
setting.Webhook.ProxyURLFixed, _ = url.Parse(setting.Webhook.ProxyURL)
setting.Webhook.ProxyHosts = []string{"*.discordapp.com", "discordapp.com"}
var kases = map[string]string{
"https://discordapp.com/api/webhooks/xxxxxxxxx/xxxxxxxxxxxxxxxxxxx": "http://localhost:8080",
"http://s.discordapp.com/assets/xxxxxx": "http://localhost:8080",
"http://github.com/a/b": "",
}
for reqURL, proxyURL := range kases {
req, err := http.NewRequest("POST", reqURL, nil)
assert.NoError(t, err)
u, err := webhookProxy()(req)
assert.NoError(t, err)
if proxyURL == "" {
assert.Nil(t, u)
} else {
assert.EqualValues(t, proxyURL, u.String())
}
}
}
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