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550 lines
13 KiB
550 lines
13 KiB
// Copyright 2014 The Gogs Authors. All rights reserved.
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// Use of this source code is governed by a MIT-style
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// license that can be found in the LICENSE file.
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package models
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import (
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"crypto/tls"
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"encoding/json"
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"fmt"
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"io/ioutil"
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"strings"
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"sync"
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"time"
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"github.com/go-xorm/xorm"
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"github.com/gogits/gogs/modules/httplib"
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"github.com/gogits/gogs/modules/log"
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"github.com/gogits/gogs/modules/setting"
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"github.com/gogits/gogs/modules/uuid"
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)
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type HookContentType int
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const (
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JSON HookContentType = iota + 1
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FORM
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)
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var hookContentTypes = map[string]HookContentType{
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"json": JSON,
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"form": FORM,
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}
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// ToHookContentType returns HookContentType by given name.
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func ToHookContentType(name string) HookContentType {
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return hookContentTypes[name]
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}
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func (t HookContentType) Name() string {
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switch t {
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case JSON:
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return "json"
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case FORM:
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return "form"
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}
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return ""
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}
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// IsValidHookContentType returns true if given name is a valid hook content type.
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func IsValidHookContentType(name string) bool {
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_, ok := hookContentTypes[name]
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return ok
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}
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// HookEvent represents events that will delivery hook.
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type HookEvent struct {
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PushOnly bool `json:"push_only"`
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}
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type HookStatus int
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const (
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HOOK_STATUS_NONE = iota
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HOOK_STATUS_SUCCEED
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HOOK_STATUS_FAILED
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)
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// Webhook represents a web hook object.
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type Webhook struct {
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ID int64 `xorm:"pk autoincr"`
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RepoID int64
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OrgID int64
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URL string `xorm:"url TEXT"`
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ContentType HookContentType
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Secret string `xorm:"TEXT"`
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Events string `xorm:"TEXT"`
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*HookEvent `xorm:"-"`
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IsSSL bool `xorm:"is_ssl"`
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IsActive bool
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HookTaskType HookTaskType
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Meta string `xorm:"TEXT"` // store hook-specific attributes
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LastStatus HookStatus // Last delivery status
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Created time.Time `xorm:"CREATED"`
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Updated time.Time `xorm:"UPDATED"`
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}
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// GetEvent handles conversion from Events to HookEvent.
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func (w *Webhook) GetEvent() {
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w.HookEvent = &HookEvent{}
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if err := json.Unmarshal([]byte(w.Events), w.HookEvent); err != nil {
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log.Error(4, "webhook.GetEvent(%d): %v", w.ID, err)
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}
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}
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func (w *Webhook) GetSlackHook() *Slack {
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s := &Slack{}
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if err := json.Unmarshal([]byte(w.Meta), s); err != nil {
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log.Error(4, "webhook.GetSlackHook(%d): %v", w.ID, err)
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}
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return s
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}
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// History returns history of webhook by given conditions.
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func (w *Webhook) History(page int) ([]*HookTask, error) {
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return HookTasks(w.ID, page)
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}
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// UpdateEvent handles conversion from HookEvent to Events.
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func (w *Webhook) UpdateEvent() error {
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data, err := json.Marshal(w.HookEvent)
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w.Events = string(data)
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return err
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}
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// HasPushEvent returns true if hook enabled push event.
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func (w *Webhook) HasPushEvent() bool {
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if w.PushOnly {
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return true
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}
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return false
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}
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// CreateWebhook creates a new web hook.
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func CreateWebhook(w *Webhook) error {
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_, err := x.Insert(w)
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return err
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}
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// GetWebhookByID returns webhook by given ID.
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func GetWebhookByID(id int64) (*Webhook, error) {
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w := new(Webhook)
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has, err := x.Id(id).Get(w)
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if err != nil {
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return nil, err
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} else if !has {
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return nil, ErrWebhookNotExist{id}
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}
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return w, nil
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}
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// GetActiveWebhooksByRepoId returns all active webhooks of repository.
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func GetActiveWebhooksByRepoId(repoId int64) (ws []*Webhook, err error) {
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err = x.Where("repo_id=?", repoId).And("is_active=?", true).Find(&ws)
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return ws, err
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}
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// GetWebhooksByRepoId returns all webhooks of repository.
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func GetWebhooksByRepoId(repoID int64) (ws []*Webhook, err error) {
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err = x.Find(&ws, &Webhook{RepoID: repoID})
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return ws, err
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}
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// UpdateWebhook updates information of webhook.
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func UpdateWebhook(w *Webhook) error {
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_, err := x.Id(w.ID).AllCols().Update(w)
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return err
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}
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// DeleteWebhook deletes webhook of repository.
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func DeleteWebhook(id int64) (err error) {
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sess := x.NewSession()
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defer sessionRelease(sess)
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if err = sess.Begin(); err != nil {
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return err
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}
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if _, err = sess.Delete(&Webhook{ID: id}); err != nil {
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return err
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} else if _, err = sess.Delete(&HookTask{HookID: id}); err != nil {
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return err
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}
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return sess.Commit()
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}
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// GetWebhooksByOrgId returns all webhooks for an organization.
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func GetWebhooksByOrgId(orgID int64) (ws []*Webhook, err error) {
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err = x.Find(&ws, &Webhook{OrgID: orgID})
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return ws, err
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}
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// GetActiveWebhooksByOrgId returns all active webhooks for an organization.
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func GetActiveWebhooksByOrgId(orgId int64) (ws []*Webhook, err error) {
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err = x.Where("org_id=?", orgId).And("is_active=?", true).Find(&ws)
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return ws, err
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}
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// ___ ___ __ ___________ __
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// / | \ ____ ____ | | _\__ ___/____ _____| | __
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// / ~ \/ _ \ / _ \| |/ / | | \__ \ / ___/ |/ /
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// \ Y ( <_> | <_> ) < | | / __ \_\___ \| <
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// \___|_ / \____/ \____/|__|_ \ |____| (____ /____ >__|_ \
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// \/ \/ \/ \/ \/
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type HookTaskType int
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const (
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GOGS HookTaskType = iota + 1
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SLACK
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)
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var hookTaskTypes = map[string]HookTaskType{
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"gogs": GOGS,
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"slack": SLACK,
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}
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// ToHookTaskType returns HookTaskType by given name.
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func ToHookTaskType(name string) HookTaskType {
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return hookTaskTypes[name]
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}
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func (t HookTaskType) Name() string {
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switch t {
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case GOGS:
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return "gogs"
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case SLACK:
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return "slack"
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}
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return ""
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}
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// IsValidHookTaskType returns true if given name is a valid hook task type.
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func IsValidHookTaskType(name string) bool {
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_, ok := hookTaskTypes[name]
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return ok
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}
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type HookEventType string
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const (
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HOOK_EVENT_PUSH HookEventType = "push"
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)
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// FIXME: just use go-gogs-client structs maybe?
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type PayloadAuthor struct {
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Name string `json:"name"`
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Email string `json:"email"`
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UserName string `json:"username"`
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}
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type PayloadCommit struct {
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Id string `json:"id"`
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Message string `json:"message"`
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Url string `json:"url"`
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Author *PayloadAuthor `json:"author"`
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}
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type PayloadRepo struct {
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Id int64 `json:"id"`
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Name string `json:"name"`
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Url string `json:"url"`
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Description string `json:"description"`
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Website string `json:"website"`
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Watchers int `json:"watchers"`
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Owner *PayloadAuthor `json:"owner"`
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Private bool `json:"private"`
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}
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type BasePayload interface {
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GetJSONPayload() ([]byte, error)
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}
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// Payload represents a payload information of hook.
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type Payload struct {
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Secret string `json:"secret"`
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Ref string `json:"ref"`
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Commits []*PayloadCommit `json:"commits"`
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Repo *PayloadRepo `json:"repository"`
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Pusher *PayloadAuthor `json:"pusher"`
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Before string `json:"before"`
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After string `json:"after"`
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CompareUrl string `json:"compare_url"`
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}
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func (p Payload) GetJSONPayload() ([]byte, error) {
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data, err := json.MarshalIndent(p, "", " ")
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if err != nil {
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return []byte{}, err
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}
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return data, nil
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}
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// HookRequest represents hook task request information.
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type HookRequest struct {
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Headers map[string]string `json:"headers"`
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}
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// HookResponse represents hook task response information.
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type HookResponse struct {
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Status int `json:"status"`
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Headers map[string]string `json:"headers"`
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Body string `json:"body"`
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}
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// HookTask represents a hook task.
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type HookTask struct {
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ID int64 `xorm:"pk autoincr"`
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RepoID int64 `xorm:"INDEX"`
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HookID int64
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UUID string
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Type HookTaskType
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URL string
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BasePayload `xorm:"-"`
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PayloadContent string `xorm:"TEXT"`
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ContentType HookContentType
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EventType HookEventType
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IsSSL bool
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IsDelivered bool
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Delivered int64
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DeliveredString string `xorm:"-"`
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// History info.
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IsSucceed bool
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RequestContent string `xorm:"TEXT"`
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RequestInfo *HookRequest `xorm:"-"`
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ResponseContent string `xorm:"TEXT"`
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ResponseInfo *HookResponse `xorm:"-"`
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}
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func (t *HookTask) BeforeUpdate() {
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if t.RequestInfo != nil {
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t.RequestContent = t.MarshalJSON(t.RequestInfo)
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}
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if t.ResponseInfo != nil {
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t.ResponseContent = t.MarshalJSON(t.ResponseInfo)
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}
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}
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func (t *HookTask) AfterSet(colName string, _ xorm.Cell) {
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var err error
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switch colName {
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case "delivered":
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t.DeliveredString = time.Unix(0, t.Delivered).Format("2006-01-02 15:04:05 MST")
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case "request_content":
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if len(t.RequestContent) == 0 {
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return
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}
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t.RequestInfo = &HookRequest{}
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if err = json.Unmarshal([]byte(t.RequestContent), t.RequestInfo); err != nil {
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log.Error(3, "Unmarshal[%d]: %v", t.ID, err)
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}
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case "response_content":
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if len(t.ResponseContent) == 0 {
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return
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}
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t.ResponseInfo = &HookResponse{}
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if err = json.Unmarshal([]byte(t.ResponseContent), t.ResponseInfo); err != nil {
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log.Error(3, "Unmarshal[%d]: %v", t.ID, err)
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}
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}
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}
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func (t *HookTask) MarshalJSON(v interface{}) string {
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p, err := json.Marshal(v)
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if err != nil {
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log.Error(3, "Marshal[%d]: %v", t.ID, err)
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}
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return string(p)
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}
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// HookTasks returns a list of hook tasks by given conditions.
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func HookTasks(hookID int64, page int) ([]*HookTask, error) {
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tasks := make([]*HookTask, 0, setting.Webhook.PagingNum)
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return tasks, x.Limit(setting.Webhook.PagingNum, (page-1)*setting.Webhook.PagingNum).Desc("id").Find(&tasks)
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}
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// CreateHookTask creates a new hook task,
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// it handles conversion from Payload to PayloadContent.
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func CreateHookTask(t *HookTask) error {
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data, err := t.BasePayload.GetJSONPayload()
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if err != nil {
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return err
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}
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t.UUID = uuid.NewV4().String()
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t.PayloadContent = string(data)
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_, err = x.Insert(t)
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return err
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}
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// UpdateHookTask updates information of hook task.
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func UpdateHookTask(t *HookTask) error {
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_, err := x.Id(t.ID).AllCols().Update(t)
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return err
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}
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type hookQueue struct {
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// Make sure one repository only occur once in the queue.
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lock sync.Mutex
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repoIDs map[int64]bool
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queue chan int64
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}
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func (q *hookQueue) removeRepoID(id int64) {
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q.lock.Lock()
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defer q.lock.Unlock()
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delete(q.repoIDs, id)
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}
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func (q *hookQueue) addRepoID(id int64) {
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q.lock.Lock()
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if q.repoIDs[id] {
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q.lock.Unlock()
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return
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}
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q.repoIDs[id] = true
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q.lock.Unlock()
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q.queue <- id
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}
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// AddRepoID adds repository ID to hook delivery queue.
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func (q *hookQueue) AddRepoID(id int64) {
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go q.addRepoID(id)
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}
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var HookQueue *hookQueue
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func deliverHook(t *HookTask) {
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t.IsDelivered = true
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timeout := time.Duration(setting.Webhook.DeliverTimeout) * time.Second
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req := httplib.Post(t.URL).SetTimeout(timeout, timeout).
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Header("X-Gogs-Delivery", t.UUID).
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Header("X-Gogs-Event", string(t.EventType)).
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SetTLSClientConfig(&tls.Config{InsecureSkipVerify: setting.Webhook.SkipTLSVerify})
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switch t.ContentType {
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case JSON:
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req = req.Header("Content-Type", "application/json").Body(t.PayloadContent)
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case FORM:
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req.Param("payload", t.PayloadContent)
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}
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// Record delivery information.
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t.RequestInfo = &HookRequest{
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Headers: map[string]string{},
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}
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for k, vals := range req.Headers() {
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t.RequestInfo.Headers[k] = strings.Join(vals, ",")
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}
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t.ResponseInfo = &HookResponse{
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Headers: map[string]string{},
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}
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defer func() {
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t.Delivered = time.Now().UTC().UnixNano()
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if t.IsSucceed {
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log.Trace("Hook delivered: %s", t.UUID)
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}
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// Update webhook last delivery status.
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w, err := GetWebhookByID(t.HookID)
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if err != nil {
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log.Error(5, "GetWebhookByID: %v", err)
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return
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}
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if t.IsSucceed {
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w.LastStatus = HOOK_STATUS_SUCCEED
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} else {
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w.LastStatus = HOOK_STATUS_FAILED
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}
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if err = UpdateWebhook(w); err != nil {
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log.Error(5, "UpdateWebhook: %v", err)
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return
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}
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}()
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resp, err := req.Response()
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if err != nil {
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t.ResponseInfo.Body = fmt.Sprintf("Delivery: %v", err)
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return
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}
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defer resp.Body.Close()
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// Status code is 20x can be seen as succeed.
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t.IsSucceed = resp.StatusCode/100 == 2
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t.ResponseInfo.Status = resp.StatusCode
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for k, vals := range resp.Header {
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t.ResponseInfo.Headers[k] = strings.Join(vals, ",")
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}
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p, err := ioutil.ReadAll(resp.Body)
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if err != nil {
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t.ResponseInfo.Body = fmt.Sprintf("read body: %s", err)
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return
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}
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t.ResponseInfo.Body = string(p)
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switch t.Type {
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case SLACK:
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if t.ResponseInfo.Body != "ok" {
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log.Error(5, "slack failed with: %s", t.ResponseInfo.Body)
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t.IsSucceed = false
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}
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}
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}
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// DeliverHooks checks and delivers undelivered hooks.
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func DeliverHooks() {
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tasks := make([]*HookTask, 0, 10)
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x.Where("is_delivered=?", false).Iterate(new(HookTask),
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func(idx int, bean interface{}) error {
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t := bean.(*HookTask)
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deliverHook(t)
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tasks = append(tasks, t)
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return nil
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})
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// Update hook task status.
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for _, t := range tasks {
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if err := UpdateHookTask(t); err != nil {
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log.Error(4, "UpdateHookTask(%d): %v", t.ID, err)
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}
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}
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HookQueue = &hookQueue{
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lock: sync.Mutex{},
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repoIDs: make(map[int64]bool),
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queue: make(chan int64, setting.Webhook.QueueLength),
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}
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// Start listening on new hook requests.
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for repoID := range HookQueue.queue {
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HookQueue.removeRepoID(repoID)
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tasks = make([]*HookTask, 0, 5)
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if err := x.Where("repo_id=? AND is_delivered=?", repoID, false).Find(&tasks); err != nil {
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log.Error(4, "Get repository(%d) hook tasks: %v", repoID, err)
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continue
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}
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for _, t := range tasks {
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deliverHook(t)
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if err := UpdateHookTask(t); err != nil {
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log.Error(4, "UpdateHookTask(%d): %v", t.ID, err)
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}
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}
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}
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}
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func InitDeliverHooks() {
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go DeliverHooks()
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}
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