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webhook.go
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webhook.go
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// Copyright 2014 The Gogs 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 models
import (
"crypto/tls"
"encoding/json"
"errors"
"io/ioutil"
"time"
"github.com/gogits/gogs/modules/httplib"
"github.com/gogits/gogs/modules/log"
"github.com/gogits/gogs/modules/setting"
"github.com/gogits/gogs/modules/uuid"
)
var (
ErrWebhookNotExist = errors.New("Webhook does not exist")
)
type HookContentType int
const (
JSON HookContentType = iota + 1
FORM
)
var hookContentTypes = map[string]HookContentType{
"json": JSON,
"form": FORM,
}
// ToHookContentType returns HookContentType by given name.
func ToHookContentType(name string) HookContentType {
return hookContentTypes[name]
}
func (t HookContentType) Name() string {
switch t {
case JSON:
return "json"
case FORM:
return "form"
}
return ""
}
// IsValidHookContentType returns true if given name is a valid hook content type.
func IsValidHookContentType(name string) bool {
_, ok := hookContentTypes[name]
return ok
}
// HookEvent represents events that will delivery hook.
type HookEvent struct {
PushOnly bool `json:"push_only"`
}
// Webhook represents a web hook object.
type Webhook struct {
Id int64
RepoId int64
Url string `xorm:"TEXT"`
ContentType HookContentType
Secret string `xorm:"TEXT"`
Events string `xorm:"TEXT"`
*HookEvent `xorm:"-"`
IsSsl bool
IsActive bool
HookTaskType HookTaskType
Meta string `xorm:"TEXT"` // store hook-specific attributes
OrgId int64
Created time.Time `xorm:"CREATED"`
Updated time.Time `xorm:"UPDATED"`
}
// GetEvent handles conversion from Events to HookEvent.
func (w *Webhook) GetEvent() {
w.HookEvent = &HookEvent{}
if err := json.Unmarshal([]byte(w.Events), w.HookEvent); err != nil {
log.Error(4, "webhook.GetEvent(%d): %v", w.Id, err)
}
}
func (w *Webhook) GetSlackHook() *Slack {
s := &Slack{}
if err := json.Unmarshal([]byte(w.Meta), s); err != nil {
log.Error(4, "webhook.GetSlackHook(%d): %v", w.Id, err)
}
return s
}
// UpdateEvent handles conversion from HookEvent to Events.
func (w *Webhook) UpdateEvent() error {
data, err := json.Marshal(w.HookEvent)
w.Events = string(data)
return err
}
// HasPushEvent returns true if hook enabled push event.
func (w *Webhook) HasPushEvent() bool {
if w.PushOnly {
return true
}
return false
}
// CreateWebhook creates a new web hook.
func CreateWebhook(w *Webhook) error {
_, err := x.Insert(w)
return err
}
// GetWebhookById returns webhook by given ID.
func GetWebhookById(hookId int64) (*Webhook, error) {
w := &Webhook{Id: hookId}
has, err := x.Get(w)
if err != nil {
return nil, err
} else if !has {
return nil, ErrWebhookNotExist
}
return w, nil
}
// GetActiveWebhooksByRepoId returns all active webhooks of repository.
func GetActiveWebhooksByRepoId(repoId int64) (ws []*Webhook, err error) {
err = x.Where("repo_id=?", repoId).And("is_active=?", true).Find(&ws)
return ws, err
}
// GetWebhooksByRepoId returns all webhooks of repository.
func GetWebhooksByRepoId(repoId int64) (ws []*Webhook, err error) {
err = x.Find(&ws, &Webhook{RepoId: repoId})
return ws, err
}
// UpdateWebhook updates information of webhook.
func UpdateWebhook(w *Webhook) error {
_, err := x.Id(w.Id).AllCols().Update(w)
return err
}
// DeleteWebhook deletes webhook of repository.
func DeleteWebhook(hookId int64) error {
_, err := x.Delete(&Webhook{Id: hookId})
return err
}
// GetWebhooksByOrgId returns all webhooks for an organization.
func GetWebhooksByOrgId(orgId int64) (ws []*Webhook, err error) {
err = x.Find(&ws, &Webhook{OrgId: orgId})
return ws, err
}
// GetActiveWebhooksByOrgId returns all active webhooks for an organization.
func GetActiveWebhooksByOrgId(orgId int64) (ws []*Webhook, err error) {
err = x.Where("org_id=?", orgId).And("is_active=?", true).Find(&ws)
return ws, err
}
// ___ ___ __ ___________ __
// / | \ ____ ____ | | _\__ ___/____ _____| | __
// / ~ \/ _ \ / _ \| |/ / | | \__ \ / ___/ |/ /
// \ Y ( <_> | <_> ) < | | / __ \_\___ \| <
// \___|_ / \____/ \____/|__|_ \ |____| (____ /____ >__|_ \
// \/ \/ \/ \/ \/
type HookTaskType int
const (
GOGS HookTaskType = iota + 1
SLACK
)
var hookTaskTypes = map[string]HookTaskType{
"gogs": GOGS,
"slack": SLACK,
}
// ToHookTaskType returns HookTaskType by given name.
func ToHookTaskType(name string) HookTaskType {
return hookTaskTypes[name]
}
func (t HookTaskType) Name() string {
switch t {
case GOGS:
return "gogs"
case SLACK:
return "slack"
}
return ""
}
// IsValidHookTaskType returns true if given name is a valid hook task type.
func IsValidHookTaskType(name string) bool {
_, ok := hookTaskTypes[name]
return ok
}
type HookEventType string
const (
PUSH HookEventType = "push"
)
// FIXME: just use go-gogs-client structs maybe?
type PayloadAuthor struct {
Name string `json:"name"`
Email string `json:"email"`
UserName string `json:"username"`
}
type PayloadCommit struct {
Id string `json:"id"`
Message string `json:"message"`
Url string `json:"url"`
Author *PayloadAuthor `json:"author"`
}
type PayloadRepo struct {
Id int64 `json:"id"`
Name string `json:"name"`
Url string `json:"url"`
Description string `json:"description"`
Website string `json:"website"`
Watchers int `json:"watchers"`
Owner *PayloadAuthor `json:"owner"`
Private bool `json:"private"`
}
type BasePayload interface {
GetJSONPayload() ([]byte, error)
}
// Payload represents a payload information of hook.
type Payload struct {
Secret string `json:"secret"`
Ref string `json:"ref"`
Commits []*PayloadCommit `json:"commits"`
Repo *PayloadRepo `json:"repository"`
Pusher *PayloadAuthor `json:"pusher"`
Before string `json:"before"`
After string `json:"after"`
CompareUrl string `json:"compare_url"`
}
func (p Payload) GetJSONPayload() ([]byte, error) {
data, err := json.Marshal(p)
if err != nil {
return []byte{}, err
}
return data, nil
}
// HookTask represents a hook task.
type HookTask struct {
Id int64
Uuid string
Type HookTaskType
Url string
BasePayload `xorm:"-"`
PayloadContent string `xorm:"TEXT"`
ContentType HookContentType
EventType HookEventType
IsSsl bool
IsDelivered bool
IsSucceed bool
}
// CreateHookTask creates a new hook task,
// it handles conversion from Payload to PayloadContent.
func CreateHookTask(t *HookTask) error {
data, err := t.BasePayload.GetJSONPayload()
if err != nil {
return err
}
t.Uuid = uuid.NewV4().String()
t.PayloadContent = string(data)
_, err = x.Insert(t)
return err
}
// UpdateHookTask updates information of hook task.
func UpdateHookTask(t *HookTask) error {
_, err := x.Id(t.Id).AllCols().Update(t)
return err
}
var (
// Prevent duplicate deliveries.
// This happens with massive hook tasks cannot finish delivering
// before next shooting starts.
isShooting = false
)
// DeliverHooks checks and delivers undelivered hooks.
// FIXME: maybe can use goroutine to shoot a number of them at same time?
func DeliverHooks() {
if isShooting {
return
}
isShooting = true
defer func() { isShooting = false }()
tasks := make([]*HookTask, 0, 10)
timeout := time.Duration(setting.Webhook.DeliverTimeout) * time.Second
x.Where("is_delivered=?", false).Iterate(new(HookTask),
func(idx int, bean interface{}) error {
t := bean.(*HookTask)
req := httplib.Post(t.Url).SetTimeout(timeout, timeout).
Header("X-Gogs-Delivery", t.Uuid).
Header("X-Gogs-Event", string(t.EventType)).
SetTLSClientConfig(&tls.Config{InsecureSkipVerify: setting.Webhook.SkipTLSVerify})
switch t.ContentType {
case JSON:
req = req.Header("Content-Type", "application/json").Body(t.PayloadContent)
case FORM:
req.Param("payload", t.PayloadContent)
}
t.IsDelivered = true
// FIXME: record response.
switch t.Type {
case GOGS:
{
if _, err := req.Response(); err != nil {
log.Error(5, "Delivery: %v", err)
} else {
t.IsSucceed = true
}
}
case SLACK:
{
if res, err := req.Response(); err != nil {
log.Error(5, "Delivery: %v", err)
} else {
defer res.Body.Close()
contents, err := ioutil.ReadAll(res.Body)
if err != nil {
log.Error(5, "%s", err)
} else {
if string(contents) != "ok" {
log.Error(5, "slack failed with: %s", string(contents))
} else {
t.IsSucceed = true
}
}
}
}
}
tasks = append(tasks, t)
if t.IsSucceed {
log.Trace("Hook delivered(%s): %s", t.Uuid, t.PayloadContent)
}
return nil
})
// Update hook task status.
for _, t := range tasks {
if err := UpdateHookTask(t); err != nil {
log.Error(4, "UpdateHookTask(%d): %v", t.Id, err)
}
}
}