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// 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/tls"
"fmt"
"io/ioutil"
"net"
"net/http"
"net/url"
"strings"
"time"
"code.gitea.io/gitea/models"
"code.gitea.io/gitea/modules/log"
"code.gitea.io/gitea/modules/setting"
"github.com/unknwon/com"
)
// Deliver deliver hook task
func Deliver(t *models.HookTask) error {
t.IsDelivered = true
var req *http.Request
var err error
switch t.HTTPMethod {
case "":
log.Info("HTTP Method for webhook %d empty, setting to POST as default", t.ID)
fallthrough
case http.MethodPost:
switch t.ContentType {
case models.ContentTypeJSON:
req, err = http.NewRequest("POST", t.URL, strings.NewReader(t.PayloadContent))
if err != nil {
return err
}
req.Header.Set("Content-Type", "application/json")
case models.ContentTypeForm:
var forms = url.Values{
"payload": []string{t.PayloadContent},
}
req, err = http.NewRequest("POST", t.URL, strings.NewReader(forms.Encode()))
if err != nil {
return err
}
req.Header.Set("Content-Type", "application/x-www-form-urlencoded")
}
case http.MethodGet:
u, err := url.Parse(t.URL)
if err != nil {
return err
}
vals := u.Query()
vals["payload"] = []string{t.PayloadContent}
u.RawQuery = vals.Encode()
req, err = http.NewRequest("GET", u.String(), nil)
if err != nil {
return err
}
default:
return fmt.Errorf("Invalid http method for webhook: [%d] %v", t.ID, t.HTTPMethod)
}
req.Header.Add("X-Gitea-Delivery", t.UUID)
req.Header.Add("X-Gitea-Event", string(t.EventType))
req.Header.Add("X-Gitea-Signature", t.Signature)
req.Header.Add("X-Gogs-Delivery", t.UUID)
req.Header.Add("X-Gogs-Event", string(t.EventType))
req.Header.Add("X-Gogs-Signature", t.Signature)
req.Header["X-GitHub-Delivery"] = []string{t.UUID}
req.Header["X-GitHub-Event"] = []string{string(t.EventType)}
// Record delivery information.
t.RequestInfo = &models.HookRequest{
Headers: map[string]string{},
}
for k, vals := range req.Header {
t.RequestInfo.Headers[k] = strings.Join(vals, ",")
}
t.ResponseInfo = &models.HookResponse{
Headers: map[string]string{},
}
defer func() {
t.Delivered = time.Now().UnixNano()
if t.IsSucceed {
log.Trace("Hook delivered: %s", t.UUID)
} else {
log.Trace("Hook delivery failed: %s", t.UUID)
}
if err := models.UpdateHookTask(t); err != nil {
log.Error("UpdateHookTask [%d]: %v", t.ID, err)
}
// Update webhook last delivery status.
w, err := models.GetWebhookByID(t.HookID)
if err != nil {
log.Error("GetWebhookByID: %v", err)
return
}
if t.IsSucceed {
w.LastStatus = models.HookStatusSucceed
} else {
w.LastStatus = models.HookStatusFail
}
if err = models.UpdateWebhookLastStatus(w); err != nil {
log.Error("UpdateWebhookLastStatus: %v", err)
return
}
}()
resp, err := webhookHTTPClient.Do(req)
if err != nil {
t.ResponseInfo.Body = fmt.Sprintf("Delivery: %v", err)
return err
}
defer resp.Body.Close()
// Status code is 20x can be seen as succeed.
t.IsSucceed = resp.StatusCode/100 == 2
t.ResponseInfo.Status = resp.StatusCode
for k, vals := range resp.Header {
t.ResponseInfo.Headers[k] = strings.Join(vals, ",")
}
p, err := ioutil.ReadAll(resp.Body)
if err != nil {
t.ResponseInfo.Body = fmt.Sprintf("read body: %s", err)
return err
}
t.ResponseInfo.Body = string(p)
return nil
}
// DeliverHooks checks and delivers undelivered hooks.
// TODO: shoot more hooks at same time.
func DeliverHooks() {
tasks, err := models.FindUndeliveredHookTasks()
if err != nil {
log.Error("DeliverHooks: %v", err)
return
}
// Update hook task status.
for _, t := range tasks {
if err = Deliver(t); err != nil {
log.Error("deliver: %v", err)
}
}
// Start listening on new hook requests.
for repoIDStr := range HookQueue.Queue() {
log.Trace("DeliverHooks [repo_id: %v]", repoIDStr)
HookQueue.Remove(repoIDStr)
repoID, err := com.StrTo(repoIDStr).Int64()
if err != nil {
log.Error("Invalid repo ID: %s", repoIDStr)
continue
}
tasks, err := models.FindRepoUndeliveredHookTasks(repoID)
if err != nil {
log.Error("Get repository [%d] hook tasks: %v", repoID, err)
continue
}
for _, t := range tasks {
if err = Deliver(t); err != nil {
log.Error("deliver: %v", err)
}
}
}
}
var webhookHTTPClient *http.Client
// InitDeliverHooks starts the hooks delivery thread
func InitDeliverHooks() {
timeout := time.Duration(setting.Webhook.DeliverTimeout) * time.Second
webhookHTTPClient = &http.Client{
Transport: &http.Transport{
TLSClientConfig: &tls.Config{InsecureSkipVerify: setting.Webhook.SkipTLSVerify},
Proxy: http.ProxyFromEnvironment,
Dial: func(netw, addr string) (net.Conn, error) {
conn, err := net.DialTimeout(netw, addr, timeout)
if err != nil {
return nil, err
}
return conn, conn.SetDeadline(time.Now().Add(timeout))
},
},
}
go DeliverHooks()
}
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