webhook.go 15 KB

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  1. // Copyright 2014 The Gogs Authors. All rights reserved.
  2. // Use of this source code is governed by a MIT-style
  3. // license that can be found in the LICENSE file.
  4. package models
  5. import (
  6. "crypto/tls"
  7. "encoding/json"
  8. "fmt"
  9. "io/ioutil"
  10. "strings"
  11. "time"
  12. "github.com/go-xorm/xorm"
  13. gouuid "github.com/satori/go.uuid"
  14. api "github.com/gogits/go-gogs-client"
  15. "github.com/gogits/gogs/modules/httplib"
  16. "github.com/gogits/gogs/modules/log"
  17. "github.com/gogits/gogs/modules/setting"
  18. "github.com/gogits/gogs/modules/sync"
  19. )
  20. var HookQueue = sync.NewUniqueQueue(setting.Webhook.QueueLength)
  21. type HookContentType int
  22. const (
  23. JSON HookContentType = iota + 1
  24. FORM
  25. )
  26. var hookContentTypes = map[string]HookContentType{
  27. "json": JSON,
  28. "form": FORM,
  29. }
  30. // ToHookContentType returns HookContentType by given name.
  31. func ToHookContentType(name string) HookContentType {
  32. return hookContentTypes[name]
  33. }
  34. func (t HookContentType) Name() string {
  35. switch t {
  36. case JSON:
  37. return "json"
  38. case FORM:
  39. return "form"
  40. }
  41. return ""
  42. }
  43. // IsValidHookContentType returns true if given name is a valid hook content type.
  44. func IsValidHookContentType(name string) bool {
  45. _, ok := hookContentTypes[name]
  46. return ok
  47. }
  48. type HookEvents struct {
  49. Create bool `json:"create"`
  50. Push bool `json:"push"`
  51. PullRequest bool `json:"pull_request"`
  52. }
  53. // HookEvent represents events that will delivery hook.
  54. type HookEvent struct {
  55. PushOnly bool `json:"push_only"`
  56. SendEverything bool `json:"send_everything"`
  57. ChooseEvents bool `json:"choose_events"`
  58. HookEvents `json:"events"`
  59. }
  60. type HookStatus int
  61. const (
  62. HOOK_STATUS_NONE = iota
  63. HOOK_STATUS_SUCCEED
  64. HOOK_STATUS_FAILED
  65. )
  66. // Webhook represents a web hook object.
  67. type Webhook struct {
  68. ID int64 `xorm:"pk autoincr"`
  69. RepoID int64
  70. OrgID int64
  71. URL string `xorm:"url TEXT"`
  72. ContentType HookContentType
  73. Secret string `xorm:"TEXT"`
  74. Events string `xorm:"TEXT"`
  75. *HookEvent `xorm:"-"`
  76. IsSSL bool `xorm:"is_ssl"`
  77. IsActive bool
  78. HookTaskType HookTaskType
  79. Meta string `xorm:"TEXT"` // store hook-specific attributes
  80. LastStatus HookStatus // Last delivery status
  81. Created time.Time `xorm:"-"`
  82. CreatedUnix int64
  83. Updated time.Time `xorm:"-"`
  84. UpdatedUnix int64
  85. }
  86. func (w *Webhook) BeforeInsert() {
  87. w.CreatedUnix = time.Now().Unix()
  88. w.UpdatedUnix = w.CreatedUnix
  89. }
  90. func (w *Webhook) BeforeUpdate() {
  91. w.UpdatedUnix = time.Now().Unix()
  92. }
  93. func (w *Webhook) AfterSet(colName string, _ xorm.Cell) {
  94. var err error
  95. switch colName {
  96. case "events":
  97. w.HookEvent = &HookEvent{}
  98. if err = json.Unmarshal([]byte(w.Events), w.HookEvent); err != nil {
  99. log.Error(3, "Unmarshal[%d]: %v", w.ID, err)
  100. }
  101. case "created_unix":
  102. w.Created = time.Unix(w.CreatedUnix, 0).Local()
  103. case "updated_unix":
  104. w.Updated = time.Unix(w.UpdatedUnix, 0).Local()
  105. }
  106. }
  107. func (w *Webhook) GetSlackHook() *SlackMeta {
  108. s := &SlackMeta{}
  109. if err := json.Unmarshal([]byte(w.Meta), s); err != nil {
  110. log.Error(4, "webhook.GetSlackHook(%d): %v", w.ID, err)
  111. }
  112. return s
  113. }
  114. // History returns history of webhook by given conditions.
  115. func (w *Webhook) History(page int) ([]*HookTask, error) {
  116. return HookTasks(w.ID, page)
  117. }
  118. // UpdateEvent handles conversion from HookEvent to Events.
  119. func (w *Webhook) UpdateEvent() error {
  120. data, err := json.Marshal(w.HookEvent)
  121. w.Events = string(data)
  122. return err
  123. }
  124. // HasCreateEvent returns true if hook enabled create event.
  125. func (w *Webhook) HasCreateEvent() bool {
  126. return w.SendEverything ||
  127. (w.ChooseEvents && w.HookEvents.Create)
  128. }
  129. // HasPushEvent returns true if hook enabled push event.
  130. func (w *Webhook) HasPushEvent() bool {
  131. return w.PushOnly || w.SendEverything ||
  132. (w.ChooseEvents && w.HookEvents.Push)
  133. }
  134. // HasPullRequestEvent returns true if hook enabled pull request event.
  135. func (w *Webhook) HasPullRequestEvent() bool {
  136. return w.SendEverything ||
  137. (w.ChooseEvents && w.HookEvents.PullRequest)
  138. }
  139. func (w *Webhook) EventsArray() []string {
  140. events := make([]string, 0, 3)
  141. if w.HasCreateEvent() {
  142. events = append(events, "create")
  143. }
  144. if w.HasPushEvent() {
  145. events = append(events, "push")
  146. }
  147. if w.HasPullRequestEvent() {
  148. events = append(events, "pull_request")
  149. }
  150. return events
  151. }
  152. // CreateWebhook creates a new web hook.
  153. func CreateWebhook(w *Webhook) error {
  154. _, err := x.Insert(w)
  155. return err
  156. }
  157. // getWebhook uses argument bean as query condition,
  158. // ID must be specified and do not assign unnecessary fields.
  159. func getWebhook(bean *Webhook) (*Webhook, error) {
  160. has, err := x.Get(bean)
  161. if err != nil {
  162. return nil, err
  163. } else if !has {
  164. return nil, ErrWebhookNotExist{bean.ID}
  165. }
  166. return bean, nil
  167. }
  168. // GetWebhookByRepoID returns webhook of repository by given ID.
  169. func GetWebhookByRepoID(repoID, id int64) (*Webhook, error) {
  170. return getWebhook(&Webhook{
  171. ID: id,
  172. RepoID: repoID,
  173. })
  174. }
  175. // GetWebhookByOrgID returns webhook of organization by given ID.
  176. func GetWebhookByOrgID(orgID, id int64) (*Webhook, error) {
  177. return getWebhook(&Webhook{
  178. ID: id,
  179. OrgID: orgID,
  180. })
  181. }
  182. // GetActiveWebhooksByRepoID returns all active webhooks of repository.
  183. func GetActiveWebhooksByRepoID(repoID int64) ([]*Webhook, error) {
  184. webhooks := make([]*Webhook, 0, 5)
  185. return webhooks, x.Find(&webhooks, &Webhook{
  186. RepoID: repoID,
  187. IsActive: true,
  188. })
  189. }
  190. // GetWebhooksByRepoID returns all webhooks of a repository.
  191. func GetWebhooksByRepoID(repoID int64) ([]*Webhook, error) {
  192. webhooks := make([]*Webhook, 0, 5)
  193. return webhooks, x.Find(&webhooks, &Webhook{RepoID: repoID})
  194. }
  195. // UpdateWebhook updates information of webhook.
  196. func UpdateWebhook(w *Webhook) error {
  197. _, err := x.Id(w.ID).AllCols().Update(w)
  198. return err
  199. }
  200. // deleteWebhook uses argument bean as query condition,
  201. // ID must be specified and do not assign unnecessary fields.
  202. func deleteWebhook(bean *Webhook) (err error) {
  203. sess := x.NewSession()
  204. defer sessionRelease(sess)
  205. if err = sess.Begin(); err != nil {
  206. return err
  207. }
  208. if _, err = sess.Delete(bean); err != nil {
  209. return err
  210. } else if _, err = sess.Delete(&HookTask{HookID: bean.ID}); err != nil {
  211. return err
  212. }
  213. return sess.Commit()
  214. }
  215. // DeleteWebhookOfRepoByID deletes webhook of repository by given ID.
  216. func DeleteWebhookOfRepoByID(repoID, id int64) error {
  217. return deleteWebhook(&Webhook{
  218. ID: id,
  219. RepoID: repoID,
  220. })
  221. }
  222. // DeleteWebhookOfOrgByID deletes webhook of organization by given ID.
  223. func DeleteWebhookOfOrgByID(orgID, id int64) error {
  224. return deleteWebhook(&Webhook{
  225. ID: id,
  226. OrgID: orgID,
  227. })
  228. }
  229. // GetWebhooksByOrgID returns all webhooks for an organization.
  230. func GetWebhooksByOrgID(orgID int64) (ws []*Webhook, err error) {
  231. err = x.Find(&ws, &Webhook{OrgID: orgID})
  232. return ws, err
  233. }
  234. // GetActiveWebhooksByOrgID returns all active webhooks for an organization.
  235. func GetActiveWebhooksByOrgID(orgID int64) (ws []*Webhook, err error) {
  236. err = x.Where("org_id=?", orgID).And("is_active=?", true).Find(&ws)
  237. return ws, err
  238. }
  239. // ___ ___ __ ___________ __
  240. // / | \ ____ ____ | | _\__ ___/____ _____| | __
  241. // / ~ \/ _ \ / _ \| |/ / | | \__ \ / ___/ |/ /
  242. // \ Y ( <_> | <_> ) < | | / __ \_\___ \| <
  243. // \___|_ / \____/ \____/|__|_ \ |____| (____ /____ >__|_ \
  244. // \/ \/ \/ \/ \/
  245. type HookTaskType int
  246. const (
  247. GOGS HookTaskType = iota + 1
  248. SLACK
  249. )
  250. var hookTaskTypes = map[string]HookTaskType{
  251. "gogs": GOGS,
  252. "slack": SLACK,
  253. }
  254. // ToHookTaskType returns HookTaskType by given name.
  255. func ToHookTaskType(name string) HookTaskType {
  256. return hookTaskTypes[name]
  257. }
  258. func (t HookTaskType) Name() string {
  259. switch t {
  260. case GOGS:
  261. return "gogs"
  262. case SLACK:
  263. return "slack"
  264. }
  265. return ""
  266. }
  267. // IsValidHookTaskType returns true if given name is a valid hook task type.
  268. func IsValidHookTaskType(name string) bool {
  269. _, ok := hookTaskTypes[name]
  270. return ok
  271. }
  272. type HookEventType string
  273. const (
  274. HOOK_EVENT_CREATE HookEventType = "create"
  275. HOOK_EVENT_PUSH HookEventType = "push"
  276. HOOK_EVENT_PULL_REQUEST HookEventType = "pull_request"
  277. )
  278. // HookRequest represents hook task request information.
  279. type HookRequest struct {
  280. Headers map[string]string `json:"headers"`
  281. }
  282. // HookResponse represents hook task response information.
  283. type HookResponse struct {
  284. Status int `json:"status"`
  285. Headers map[string]string `json:"headers"`
  286. Body string `json:"body"`
  287. }
  288. // HookTask represents a hook task.
  289. type HookTask struct {
  290. ID int64 `xorm:"pk autoincr"`
  291. RepoID int64 `xorm:"INDEX"`
  292. HookID int64
  293. UUID string
  294. Type HookTaskType
  295. URL string `xorm:"TEXT"`
  296. api.Payloader `xorm:"-"`
  297. PayloadContent string `xorm:"TEXT"`
  298. ContentType HookContentType
  299. EventType HookEventType
  300. IsSSL bool
  301. IsDelivered bool
  302. Delivered int64
  303. DeliveredString string `xorm:"-"`
  304. // History info.
  305. IsSucceed bool
  306. RequestContent string `xorm:"TEXT"`
  307. RequestInfo *HookRequest `xorm:"-"`
  308. ResponseContent string `xorm:"TEXT"`
  309. ResponseInfo *HookResponse `xorm:"-"`
  310. }
  311. func (t *HookTask) BeforeUpdate() {
  312. if t.RequestInfo != nil {
  313. t.RequestContent = t.MarshalJSON(t.RequestInfo)
  314. }
  315. if t.ResponseInfo != nil {
  316. t.ResponseContent = t.MarshalJSON(t.ResponseInfo)
  317. }
  318. }
  319. func (t *HookTask) AfterSet(colName string, _ xorm.Cell) {
  320. var err error
  321. switch colName {
  322. case "delivered":
  323. t.DeliveredString = time.Unix(0, t.Delivered).Format("2006-01-02 15:04:05 MST")
  324. case "request_content":
  325. if len(t.RequestContent) == 0 {
  326. return
  327. }
  328. t.RequestInfo = &HookRequest{}
  329. if err = json.Unmarshal([]byte(t.RequestContent), t.RequestInfo); err != nil {
  330. log.Error(3, "Unmarshal[%d]: %v", t.ID, err)
  331. }
  332. case "response_content":
  333. if len(t.ResponseContent) == 0 {
  334. return
  335. }
  336. t.ResponseInfo = &HookResponse{}
  337. if err = json.Unmarshal([]byte(t.ResponseContent), t.ResponseInfo); err != nil {
  338. log.Error(3, "Unmarshal [%d]: %v", t.ID, err)
  339. }
  340. }
  341. }
  342. func (t *HookTask) MarshalJSON(v interface{}) string {
  343. p, err := json.Marshal(v)
  344. if err != nil {
  345. log.Error(3, "Marshal [%d]: %v", t.ID, err)
  346. }
  347. return string(p)
  348. }
  349. // HookTasks returns a list of hook tasks by given conditions.
  350. func HookTasks(hookID int64, page int) ([]*HookTask, error) {
  351. tasks := make([]*HookTask, 0, setting.Webhook.PagingNum)
  352. return tasks, x.Limit(setting.Webhook.PagingNum, (page-1)*setting.Webhook.PagingNum).Where("hook_id=?", hookID).Desc("id").Find(&tasks)
  353. }
  354. // CreateHookTask creates a new hook task,
  355. // it handles conversion from Payload to PayloadContent.
  356. func CreateHookTask(t *HookTask) error {
  357. data, err := t.Payloader.JSONPayload()
  358. if err != nil {
  359. return err
  360. }
  361. t.UUID = gouuid.NewV4().String()
  362. t.PayloadContent = string(data)
  363. _, err = x.Insert(t)
  364. return err
  365. }
  366. // UpdateHookTask updates information of hook task.
  367. func UpdateHookTask(t *HookTask) error {
  368. _, err := x.Id(t.ID).AllCols().Update(t)
  369. return err
  370. }
  371. // PrepareWebhooks adds new webhooks to task queue for given payload.
  372. func PrepareWebhooks(repo *Repository, event HookEventType, p api.Payloader) error {
  373. ws, err := GetActiveWebhooksByRepoID(repo.ID)
  374. if err != nil {
  375. return fmt.Errorf("GetActiveWebhooksByRepoID: %v", err)
  376. }
  377. // check if repo belongs to org and append additional webhooks
  378. if repo.MustOwner().IsOrganization() {
  379. // get hooks for org
  380. orgws, err := GetActiveWebhooksByOrgID(repo.OwnerID)
  381. if err != nil {
  382. return fmt.Errorf("GetActiveWebhooksByOrgID: %v", err)
  383. }
  384. ws = append(ws, orgws...)
  385. }
  386. if len(ws) == 0 {
  387. return nil
  388. }
  389. var payloader api.Payloader
  390. for _, w := range ws {
  391. switch event {
  392. case HOOK_EVENT_CREATE:
  393. if !w.HasCreateEvent() {
  394. continue
  395. }
  396. case HOOK_EVENT_PUSH:
  397. if !w.HasPushEvent() {
  398. continue
  399. }
  400. case HOOK_EVENT_PULL_REQUEST:
  401. if !w.HasPullRequestEvent() {
  402. continue
  403. }
  404. }
  405. // Use separate objects so modifcations won't be made on payload on non-Gogs type hooks.
  406. switch w.HookTaskType {
  407. case SLACK:
  408. payloader, err = GetSlackPayload(p, event, w.Meta)
  409. if err != nil {
  410. return fmt.Errorf("GetSlackPayload: %v", err)
  411. }
  412. default:
  413. p.SetSecret(w.Secret)
  414. payloader = p
  415. }
  416. if err = CreateHookTask(&HookTask{
  417. RepoID: repo.ID,
  418. HookID: w.ID,
  419. Type: w.HookTaskType,
  420. URL: w.URL,
  421. Payloader: payloader,
  422. ContentType: w.ContentType,
  423. EventType: event,
  424. IsSSL: w.IsSSL,
  425. }); err != nil {
  426. return fmt.Errorf("CreateHookTask: %v", err)
  427. }
  428. }
  429. return nil
  430. }
  431. func (t *HookTask) deliver() {
  432. t.IsDelivered = true
  433. timeout := time.Duration(setting.Webhook.DeliverTimeout) * time.Second
  434. req := httplib.Post(t.URL).SetTimeout(timeout, timeout).
  435. Header("X-Gogs-Delivery", t.UUID).
  436. Header("X-Gogs-Event", string(t.EventType)).
  437. SetTLSClientConfig(&tls.Config{InsecureSkipVerify: setting.Webhook.SkipTLSVerify})
  438. switch t.ContentType {
  439. case JSON:
  440. req = req.Header("Content-Type", "application/json").Body(t.PayloadContent)
  441. case FORM:
  442. req.Param("payload", t.PayloadContent)
  443. }
  444. // Record delivery information.
  445. t.RequestInfo = &HookRequest{
  446. Headers: map[string]string{},
  447. }
  448. for k, vals := range req.Headers() {
  449. t.RequestInfo.Headers[k] = strings.Join(vals, ",")
  450. }
  451. t.ResponseInfo = &HookResponse{
  452. Headers: map[string]string{},
  453. }
  454. defer func() {
  455. t.Delivered = time.Now().UnixNano()
  456. if t.IsSucceed {
  457. log.Trace("Hook delivered: %s", t.UUID)
  458. } else {
  459. log.Trace("Hook delivery failed: %s", t.UUID)
  460. }
  461. // Update webhook last delivery status.
  462. w, err := GetWebhookByRepoID(t.RepoID, t.HookID)
  463. if err != nil {
  464. log.Error(5, "GetWebhookByID: %v", err)
  465. return
  466. }
  467. if t.IsSucceed {
  468. w.LastStatus = HOOK_STATUS_SUCCEED
  469. } else {
  470. w.LastStatus = HOOK_STATUS_FAILED
  471. }
  472. if err = UpdateWebhook(w); err != nil {
  473. log.Error(5, "UpdateWebhook: %v", err)
  474. return
  475. }
  476. }()
  477. resp, err := req.Response()
  478. if err != nil {
  479. t.ResponseInfo.Body = fmt.Sprintf("Delivery: %v", err)
  480. return
  481. }
  482. defer resp.Body.Close()
  483. // Status code is 20x can be seen as succeed.
  484. t.IsSucceed = resp.StatusCode/100 == 2
  485. t.ResponseInfo.Status = resp.StatusCode
  486. for k, vals := range resp.Header {
  487. t.ResponseInfo.Headers[k] = strings.Join(vals, ",")
  488. }
  489. p, err := ioutil.ReadAll(resp.Body)
  490. if err != nil {
  491. t.ResponseInfo.Body = fmt.Sprintf("read body: %s", err)
  492. return
  493. }
  494. t.ResponseInfo.Body = string(p)
  495. }
  496. // DeliverHooks checks and delivers undelivered hooks.
  497. // TODO: shoot more hooks at same time.
  498. func DeliverHooks() {
  499. tasks := make([]*HookTask, 0, 10)
  500. x.Where("is_delivered=?", false).Iterate(new(HookTask),
  501. func(idx int, bean interface{}) error {
  502. t := bean.(*HookTask)
  503. t.deliver()
  504. tasks = append(tasks, t)
  505. return nil
  506. })
  507. // Update hook task status.
  508. for _, t := range tasks {
  509. if err := UpdateHookTask(t); err != nil {
  510. log.Error(4, "UpdateHookTask [%d]: %v", t.ID, err)
  511. }
  512. }
  513. // Start listening on new hook requests.
  514. for repoID := range HookQueue.Queue() {
  515. log.Trace("DeliverHooks [repo_id: %v]", repoID)
  516. HookQueue.Remove(repoID)
  517. tasks = make([]*HookTask, 0, 5)
  518. if err := x.Where("repo_id=? AND is_delivered=?", repoID, false).Find(&tasks); err != nil {
  519. log.Error(4, "Get repository [%s] hook tasks: %v", repoID, err)
  520. continue
  521. }
  522. for _, t := range tasks {
  523. t.deliver()
  524. if err := UpdateHookTask(t); err != nil {
  525. log.Error(4, "UpdateHookTask [%d]: %v", t.ID, err)
  526. continue
  527. }
  528. }
  529. }
  530. }
  531. func InitDeliverHooks() {
  532. go DeliverHooks()
  533. }