272 lines
6.9 KiB
Go
272 lines
6.9 KiB
Go
// Copyright 2019 The Gitea Authors. All rights reserved.
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// SPDX-License-Identifier: MIT
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package webhook
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import (
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"context"
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"fmt"
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"strings"
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repo_model "code.gitea.io/gitea/models/repo"
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user_model "code.gitea.io/gitea/models/user"
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webhook_model "code.gitea.io/gitea/models/webhook"
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"code.gitea.io/gitea/modules/git"
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"code.gitea.io/gitea/modules/graceful"
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"code.gitea.io/gitea/modules/log"
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"code.gitea.io/gitea/modules/queue"
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"code.gitea.io/gitea/modules/setting"
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api "code.gitea.io/gitea/modules/structs"
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"code.gitea.io/gitea/modules/util"
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webhook_module "code.gitea.io/gitea/modules/webhook"
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"github.com/gobwas/glob"
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)
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type webhook struct {
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name webhook_module.HookType
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payloadCreator func(p api.Payloader, event webhook_module.HookEventType, meta string) (api.Payloader, error)
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}
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var webhooks = map[webhook_module.HookType]*webhook{
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webhook_module.SLACK: {
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name: webhook_module.SLACK,
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payloadCreator: GetSlackPayload,
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},
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webhook_module.DISCORD: {
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name: webhook_module.DISCORD,
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payloadCreator: GetDiscordPayload,
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},
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webhook_module.DINGTALK: {
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name: webhook_module.DINGTALK,
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payloadCreator: GetDingtalkPayload,
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},
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webhook_module.TELEGRAM: {
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name: webhook_module.TELEGRAM,
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payloadCreator: GetTelegramPayload,
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},
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webhook_module.MSTEAMS: {
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name: webhook_module.MSTEAMS,
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payloadCreator: GetMSTeamsPayload,
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},
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webhook_module.FEISHU: {
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name: webhook_module.FEISHU,
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payloadCreator: GetFeishuPayload,
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},
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webhook_module.MATRIX: {
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name: webhook_module.MATRIX,
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payloadCreator: GetMatrixPayload,
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},
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webhook_module.WECHATWORK: {
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name: webhook_module.WECHATWORK,
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payloadCreator: GetWechatworkPayload,
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},
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webhook_module.PACKAGIST: {
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name: webhook_module.PACKAGIST,
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payloadCreator: GetPackagistPayload,
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},
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}
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// IsValidHookTaskType returns true if a webhook registered
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func IsValidHookTaskType(name string) bool {
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if name == webhook_module.FORGEJO || name == webhook_module.GITEA || name == webhook_module.GOGS {
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return true
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}
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_, ok := webhooks[name]
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return ok
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}
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// hookQueue is a global queue of web hooks
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var hookQueue *queue.WorkerPoolQueue[int64]
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// getPayloadBranch returns branch for hook event, if applicable.
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func getPayloadBranch(p api.Payloader) string {
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switch pp := p.(type) {
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case *api.CreatePayload:
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if pp.RefType == "branch" {
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return pp.Ref
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}
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case *api.DeletePayload:
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if pp.RefType == "branch" {
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return pp.Ref
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}
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case *api.PushPayload:
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if strings.HasPrefix(pp.Ref, git.BranchPrefix) {
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return pp.Ref[len(git.BranchPrefix):]
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}
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}
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return ""
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}
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// EventSource represents the source of a webhook action. Repository and/or Owner must be set.
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type EventSource struct {
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Repository *repo_model.Repository
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Owner *user_model.User
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}
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// handle delivers hook tasks
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func handler(items ...int64) []int64 {
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ctx := graceful.GetManager().HammerContext()
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for _, taskID := range items {
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task, err := webhook_model.GetHookTaskByID(ctx, taskID)
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if err != nil {
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log.Error("GetHookTaskByID[%d] failed: %v", taskID, err)
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continue
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}
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if task.IsDelivered {
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// Already delivered in the meantime
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log.Trace("Task[%d] has already been delivered", task.ID)
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continue
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}
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if err := Deliver(ctx, task); err != nil {
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log.Error("Unable to deliver webhook task[%d]: %v", task.ID, err)
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}
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}
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return nil
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}
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func enqueueHookTask(taskID int64) error {
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err := hookQueue.Push(taskID)
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if err != nil && err != queue.ErrAlreadyInQueue {
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return err
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}
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return nil
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}
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func checkBranch(w *webhook_model.Webhook, branch string) bool {
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if w.BranchFilter == "" || w.BranchFilter == "*" {
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return true
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}
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g, err := glob.Compile(w.BranchFilter)
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if err != nil {
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// should not really happen as BranchFilter is validated
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log.Error("CheckBranch failed: %s", err)
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return false
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}
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return g.Match(branch)
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}
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// PrepareWebhook creates a hook task and enqueues it for processing
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func PrepareWebhook(ctx context.Context, w *webhook_model.Webhook, event webhook_module.HookEventType, p api.Payloader) error {
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// Skip sending if webhooks are disabled.
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if setting.DisableWebhooks {
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return nil
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}
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for _, e := range w.EventCheckers() {
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if event == e.Type {
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if !e.Has() {
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return nil
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}
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break
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}
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}
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// Avoid sending "0 new commits" to non-integration relevant webhooks (e.g. slack, discord, etc.).
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// Integration webhooks (e.g. drone) still receive the required data.
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if pushEvent, ok := p.(*api.PushPayload); ok &&
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w.Type != webhook_module.FORGEJO && w.Type != webhook_module.GITEA && w.Type != webhook_module.GOGS &&
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len(pushEvent.Commits) == 0 {
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return nil
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}
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// If payload has no associated branch (e.g. it's a new tag, issue, etc.),
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// branch filter has no effect.
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if branch := getPayloadBranch(p); branch != "" {
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if !checkBranch(w, branch) {
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log.Info("Branch %q doesn't match branch filter %q, skipping", branch, w.BranchFilter)
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return nil
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}
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}
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var payloader api.Payloader
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var err error
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webhook, ok := webhooks[w.Type]
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if ok {
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payloader, err = webhook.payloadCreator(p, event, w.Meta)
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if err != nil {
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return fmt.Errorf("create payload for %s[%s]: %w", w.Type, event, err)
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}
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} else {
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payloader = p
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}
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task, err := webhook_model.CreateHookTask(ctx, &webhook_model.HookTask{
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HookID: w.ID,
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Payloader: payloader,
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EventType: event,
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})
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if err != nil {
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return fmt.Errorf("CreateHookTask: %w", err)
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}
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return enqueueHookTask(task.ID)
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}
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// PrepareWebhooks adds new webhooks to task queue for given payload.
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func PrepareWebhooks(ctx context.Context, source EventSource, event webhook_module.HookEventType, p api.Payloader) error {
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owner := source.Owner
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var ws []*webhook_model.Webhook
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if source.Repository != nil {
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repoHooks, err := webhook_model.ListWebhooksByOpts(ctx, &webhook_model.ListWebhookOptions{
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RepoID: source.Repository.ID,
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IsActive: util.OptionalBoolTrue,
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})
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if err != nil {
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return fmt.Errorf("ListWebhooksByOpts: %w", err)
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}
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ws = append(ws, repoHooks...)
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owner = source.Repository.MustOwner(ctx)
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}
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// append additional webhooks of a user or organization
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if owner != nil {
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ownerHooks, err := webhook_model.ListWebhooksByOpts(ctx, &webhook_model.ListWebhookOptions{
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OwnerID: owner.ID,
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IsActive: util.OptionalBoolTrue,
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})
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if err != nil {
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return fmt.Errorf("ListWebhooksByOpts: %w", err)
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}
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ws = append(ws, ownerHooks...)
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}
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// Add any admin-defined system webhooks
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systemHooks, err := webhook_model.GetSystemWebhooks(ctx, util.OptionalBoolTrue)
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if err != nil {
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return fmt.Errorf("GetSystemWebhooks: %w", err)
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}
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ws = append(ws, systemHooks...)
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if len(ws) == 0 {
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return nil
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}
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for _, w := range ws {
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if err := PrepareWebhook(ctx, w, event, p); err != nil {
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return err
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}
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}
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return nil
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}
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// ReplayHookTask replays a webhook task
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func ReplayHookTask(ctx context.Context, w *webhook_model.Webhook, uuid string) error {
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task, err := webhook_model.ReplayHookTask(ctx, w.ID, uuid)
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if err != nil {
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return err
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}
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return enqueueHookTask(task.ID)
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}
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