gitea/models/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 (
"encoding/json"
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"errors"
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"io/ioutil"
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"time"
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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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var (
ErrWebhookNotExist = errors.New("Webhook does not exist")
)
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type HookContentType int
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const (
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JSON HookContentType = iota + 1
FORM
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)
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// HookEvent represents events that will delivery hook.
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type HookEvent struct {
PushOnly bool `json:"push_only"`
}
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// Webhook represents a web hook object.
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type Webhook struct {
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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
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}
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// GetEvent handles conversion from Events to HookEvent.
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func (w *Webhook) GetEvent() {
w.HookEvent = &HookEvent{}
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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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
}
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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)
return err
}
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// HasPushEvent returns true if hook enbaled push event.
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func (w *Webhook) HasPushEvent() bool {
if w.PushOnly {
return true
}
return false
}
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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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// GetWebhookById returns webhook by given ID.
func GetWebhookById(hookId int64) (*Webhook, error) {
w := &Webhook{Id: hookId}
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has, err := x.Get(w)
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if err != nil {
return nil, err
} else if !has {
return nil, ErrWebhookNotExist
}
return w, nil
}
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// GetActiveWebhooksByRepoId returns all active webhooks of repository.
func GetActiveWebhooksByRepoId(repoId int64) (ws []*Webhook, err error) {
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err = x.Find(&ws, &Webhook{RepoId: repoId, IsActive: true})
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return ws, err
}
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// GetWebhooksByRepoId returns all webhooks of repository.
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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// UpdateWebhook updates information of webhook.
func UpdateWebhook(w *Webhook) error {
_, err := x.Id(w.Id).AllCols().Update(w)
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return err
}
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// DeleteWebhook deletes webhook of repository.
func DeleteWebhook(hookId int64) error {
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_, err := x.Delete(&Webhook{Id: hookId})
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return err
}
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// ___ ___ __ ___________ __
// / | \ ____ ____ | | _\__ ___/____ _____| | __
// / ~ \/ _ \ / _ \| |/ / | | \__ \ / ___/ |/ /
// \ Y ( <_> | <_> ) < | | / __ \_\___ \| <
// \___|_ / \____/ \____/|__|_ \ |____| (____ /____ >__|_ \
// \/ \/ \/ \/ \/
type HookTaskType int
const (
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GOGS HookTaskType = iota + 1
SLACK
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)
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type HookEventType string
const (
PUSH HookEventType = "push"
)
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type PayloadAuthor struct {
Name string `json:"name"`
Email string `json:"email"`
}
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:"author"`
Private bool `json:"private"`
}
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type BasePayload interface {
GetJSONPayload() ([]byte, error)
}
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// Payload represents a payload information of hook.
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type Payload struct {
Secret string `json:"secret"`
Ref string `json:"ref"`
Commits []*PayloadCommit `json:"commits"`
Repo *PayloadRepo `json:"repository"`
Pusher *PayloadAuthor `json:"pusher"`
}
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func (p Payload) GetJSONPayload() ([]byte, error) {
data, err := json.Marshal(p)
if err != nil {
return []byte{}, err
}
return data, nil
}
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// HookTask represents a hook task.
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type HookTask struct {
Id 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"`
ContentType HookContentType
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EventType HookEventType
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IsSsl bool
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IsDelivered bool
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IsSucceed bool
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}
// CreateHookTask creates a new hook task,
// it handles conversion from Payload to PayloadContent.
func CreateHookTask(t *HookTask) error {
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data, err := t.BasePayload.GetJSONPayload()
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if err != nil {
return err
}
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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
}
// UpdateHookTask updates information of hook task.
func UpdateHookTask(t *HookTask) error {
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_, err := x.AllCols().Update(t)
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return err
}
// DeliverHooks checks and delivers undelivered hooks.
func DeliverHooks() {
timeout := time.Duration(setting.WebhookDeliverTimeout) * time.Second
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x.Where("is_delivered=?", false).Iterate(new(HookTask),
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func(idx int, bean interface{}) error {
t := bean.(*HookTask)
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req := httplib.Post(t.Url).SetTimeout(timeout, timeout).
Header("X-Gogs-Delivery", t.Uuid).
Header("X-Gogs-Event", string(t.EventType))
switch t.ContentType {
case JSON:
req = req.Header("Content-Type", "application/json").Body(t.PayloadContent)
case FORM:
req.Param("payload", t.PayloadContent)
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}
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t.IsDelivered = true
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// TODO: record response.
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switch t.Type {
case GOGS:
{
if _, err := req.Response(); err != nil {
log.Error(4, "Delivery: %v", err)
} else {
t.IsSucceed = true
}
}
case SLACK:
{
if res, err := req.Response(); err != nil {
log.Error(4, "Delivery: %v", err)
} else {
defer res.Body.Close()
contents, err := ioutil.ReadAll(res.Body)
if err != nil {
log.Error(4, "%s", err)
} else {
if string(contents) != "ok" {
log.Error(4, "slack failed with: %s", string(contents))
} else {
t.IsSucceed = true
}
}
}
}
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}
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if err := UpdateHookTask(t); err != nil {
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log.Error(4, "UpdateHookTask: %v", err)
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return nil
}
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log.Trace("Hook delivered(%s): %s", t.Uuid, t.PayloadContent)
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return nil
})
}