gitea/services/webhook/webhook.go

244 lines
6.3 KiB
Go

// 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 (
"fmt"
"strings"
repo_model "code.gitea.io/gitea/models/repo"
webhook_model "code.gitea.io/gitea/models/webhook"
"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"
"code.gitea.io/gitea/modules/util"
"github.com/gobwas/glob"
)
type webhook struct {
name webhook_model.HookType
payloadCreator func(p api.Payloader, event webhook_model.HookEventType, meta string) (api.Payloader, error)
}
var (
webhooks = map[webhook_model.HookType]*webhook{
webhook_model.SLACK: {
name: webhook_model.SLACK,
payloadCreator: GetSlackPayload,
},
webhook_model.DISCORD: {
name: webhook_model.DISCORD,
payloadCreator: GetDiscordPayload,
},
webhook_model.DINGTALK: {
name: webhook_model.DINGTALK,
payloadCreator: GetDingtalkPayload,
},
webhook_model.TELEGRAM: {
name: webhook_model.TELEGRAM,
payloadCreator: GetTelegramPayload,
},
webhook_model.MSTEAMS: {
name: webhook_model.MSTEAMS,
payloadCreator: GetMSTeamsPayload,
},
webhook_model.FEISHU: {
name: webhook_model.FEISHU,
payloadCreator: GetFeishuPayload,
},
webhook_model.MATRIX: {
name: webhook_model.MATRIX,
payloadCreator: GetMatrixPayload,
},
webhook_model.WECHATWORK: {
name: webhook_model.WECHATWORK,
payloadCreator: GetWechatworkPayload,
},
}
)
// RegisterWebhook registers a webhook
func RegisterWebhook(name string, webhook *webhook) {
webhooks[webhook_model.HookType(name)] = webhook
}
// IsValidHookTaskType returns true if a webhook registered
func IsValidHookTaskType(name string) bool {
if name == webhook_model.GITEA || name == webhook_model.GOGS {
return true
}
_, ok := webhooks[webhook_model.HookType(name)]
return ok
}
// 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 *webhook_model.Webhook, repo *repo_model.Repository, event webhook_model.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 *webhook_model.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 *webhook_model.Webhook, repo *repo_model.Repository, event webhook_model.HookEventType, p api.Payloader) error {
// Skip sending if webhooks are disabled.
if setting.DisableWebhooks {
return nil
}
for _, e := range w.EventCheckers() {
if event == e.Type {
if !e.Has() {
return nil
}
break
}
}
// Avoid sending "0 new commits" to non-integration relevant webhooks (e.g. slack, discord, etc.).
// Integration webhooks (e.g. drone) still receive the required data.
if pushEvent, ok := p.(*api.PushPayload); ok &&
w.Type != webhook_model.GITEA && w.Type != webhook_model.GOGS &&
len(pushEvent.Commits) == 0 {
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
webhook, ok := webhooks[w.Type]
if ok {
payloader, err = webhook.payloadCreator(p, event, w.Meta)
if err != nil {
return fmt.Errorf("create payload for %s[%s]: %v", w.Type, event, err)
}
} else {
payloader = p
}
if err = webhook_model.CreateHookTask(&webhook_model.HookTask{
RepoID: repo.ID,
HookID: w.ID,
Payloader: payloader,
EventType: event,
}); err != nil {
return fmt.Errorf("CreateHookTask: %v", err)
}
return nil
}
// PrepareWebhooks adds new webhooks to task queue for given payload.
func PrepareWebhooks(repo *repo_model.Repository, event webhook_model.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 *repo_model.Repository, event webhook_model.HookEventType, p api.Payloader) error {
ws, err := webhook_model.ListWebhooksByOpts(&webhook_model.ListWebhookOptions{
RepoID: repo.ID,
IsActive: util.OptionalBoolTrue,
})
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 := webhook_model.ListWebhooksByOpts(&webhook_model.ListWebhookOptions{
OrgID: repo.OwnerID,
IsActive: util.OptionalBoolTrue,
})
if err != nil {
return fmt.Errorf("GetActiveWebhooksByOrgID: %v", err)
}
ws = append(ws, orgHooks...)
}
// Add any admin-defined system webhooks
systemHooks, err := webhook_model.GetSystemWebhooks(util.OptionalBoolTrue)
if err != nil {
return fmt.Errorf("GetSystemWebhooks: %v", err)
}
ws = append(ws, systemHooks...)
if len(ws) == 0 {
return nil
}
for _, w := range ws {
if err = prepareWebhook(w, repo, event, p); err != nil {
return err
}
}
return nil
}
// ReplayHookTask replays a webhook task
func ReplayHookTask(w *webhook_model.Webhook, uuid string) error {
t, err := webhook_model.ReplayHookTask(w.ID, uuid)
if err != nil {
return err
}
go hookQueue.Add(t.RepoID)
return nil
}