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webhook.go
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webhook.go
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// Copyright 2017 Drone.IO Inc. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package bitbucket
import (
"encoding/json"
"errors"
"fmt"
"io"
"io/ioutil"
"net/http"
"time"
"github.com/jenkins-x/go-scm/scm"
)
// TODO(bradrydzewski) default repository branch is missing in push webhook payloads
// TODO(bradrydzewski) default repository branch is missing in pr webhook payloads
// TODO(bradrydzewski) default repository is_private is missing in pr webhook payloads
type webhookService struct {
client *wrapper
}
func (s *webhookService) Parse(req *http.Request, fn scm.SecretFunc) (scm.Webhook, error) {
data, err := ioutil.ReadAll(
io.LimitReader(req.Body, 10000000),
)
if err != nil {
return nil, err
}
var hook scm.Webhook
switch req.Header.Get("x-event-key") {
case "repo:push":
hook, err = s.parsePushHook(data)
case "pullrequest:created":
hook, err = s.parsePullRequestHook(data)
case "pullrequest:updated":
hook, err = s.parsePullRequestHook(data)
if hook != nil {
hook.(*scm.PullRequestHook).Action = scm.ActionSync
}
case "pullrequest:fulfilled":
hook, err = s.parsePullRequestHook(data)
if hook != nil {
hook.(*scm.PullRequestHook).Action = scm.ActionMerge
}
case "pullrequest:rejected":
hook, err = s.parsePullRequestHook(data)
if hook != nil {
hook.(*scm.PullRequestHook).Action = scm.ActionClose
}
}
if err != nil {
return nil, err
}
if hook == nil {
return nil, nil
}
// get the gogs signature key to verify the payload
// signature. If no key is provided, no validation
// is performed.
key, err := fn(hook)
if err != nil {
return hook, err
} else if key == "" {
return hook, nil
}
if req.FormValue("secret") != key {
return hook, scm.ErrSignatureInvalid
}
return hook, nil
}
func (s *webhookService) parsePushHook(data []byte) (scm.Webhook, error) {
dst := new(pushHook)
err := json.Unmarshal(data, dst)
if err != nil {
return nil, err
}
if len(dst.Push.Changes) == 0 {
return nil, errors.New("Push hook has empty changeset")
}
change := dst.Push.Changes[0]
switch {
// case change.New.Type == "branch" && change.Created:
// return convertBranchCreateHook(dst), nil
case change.Old.Type == "branch" && change.Closed:
return convertBranchDeleteHook(dst), nil
// case change.New.Type == "tag" && change.Created:
// return convertTagCreateHook(dst), nil
case change.Old.Type == "tag" && change.Closed:
return convertTagDeleteHook(dst), nil
default:
return convertPushHook(dst), err
}
}
func (s *webhookService) parsePullRequestHook(data []byte) (*scm.PullRequestHook, error) {
dst := new(webhook)
err := json.Unmarshal(data, dst)
if err != nil {
return nil, err
}
switch {
default:
return convertPullRequestHook(dst), err
}
}
//
// native data structures
//
type (
pushHook struct {
Push struct {
Changes []struct {
Forced bool `json:"forced"`
Old struct {
Type string `json:"type"`
Name string `json:"name"`
Links struct {
Commits struct {
Href string `json:"href"`
} `json:"commits"`
Self struct {
Href string `json:"href"`
} `json:"self"`
HTML struct {
Href string `json:"href"`
} `json:"html"`
} `json:"links"`
Target struct {
Hash string `json:"hash"`
Links struct {
Self struct {
Href string `json:"href"`
} `json:"self"`
HTML struct {
Href string `json:"href"`
} `json:"html"`
} `json:"links"`
Author struct {
Raw string `json:"raw"`
Type string `json:"type"`
User struct {
Username string `json:"username"`
DisplayName string `json:"display_name"`
AccountID string `json:"account_id"`
Links struct {
Self struct {
Href string `json:"href"`
} `json:"self"`
HTML struct {
Href string `json:"href"`
} `json:"html"`
Avatar struct {
Href string `json:"href"`
} `json:"avatar"`
} `json:"links"`
Type string `json:"type"`
UUID string `json:"uuid"`
} `json:"user"`
} `json:"author"`
Summary struct {
Raw string `json:"raw"`
Markup string `json:"markup"`
HTML string `json:"html"`
Type string `json:"type"`
} `json:"summary"`
Parents []interface{} `json:"parents"`
Date time.Time `json:"date"`
Message string `json:"message"`
Type string `json:"type"`
} `json:"target"`
} `json:"old"`
Links struct {
Commits struct {
Href string `json:"href"`
} `json:"commits"`
HTML struct {
Href string `json:"href"`
} `json:"html"`
Diff struct {
Href string `json:"href"`
} `json:"diff"`
} `json:"links"`
Truncated bool `json:"truncated"`
Commits []struct {
Hash string `json:"hash"`
Links struct {
Self struct {
Href string `json:"href"`
} `json:"self"`
Comments struct {
Href string `json:"href"`
} `json:"comments"`
Patch struct {
Href string `json:"href"`
} `json:"patch"`
HTML struct {
Href string `json:"href"`
} `json:"html"`
Diff struct {
Href string `json:"href"`
} `json:"diff"`
Approve struct {
Href string `json:"href"`
} `json:"approve"`
Statuses struct {
Href string `json:"href"`
} `json:"statuses"`
} `json:"links"`
Author struct {
Raw string `json:"raw"`
Type string `json:"type"`
User struct {
Username string `json:"username"`
DisplayName string `json:"display_name"`
AccountID string `json:"account_id"`
Links struct {
Self struct {
Href string `json:"href"`
} `json:"self"`
HTML struct {
Href string `json:"href"`
} `json:"html"`
Avatar struct {
Href string `json:"href"`
} `json:"avatar"`
} `json:"links"`
Type string `json:"type"`
UUID string `json:"uuid"`
} `json:"user"`
} `json:"author"`
Summary struct {
Raw string `json:"raw"`
Markup string `json:"markup"`
HTML string `json:"html"`
Type string `json:"type"`
} `json:"summary"`
Parents []struct {
Type string `json:"type"`
Hash string `json:"hash"`
Links struct {
Self struct {
Href string `json:"href"`
} `json:"self"`
HTML struct {
Href string `json:"href"`
} `json:"html"`
} `json:"links"`
} `json:"parents"`
Date time.Time `json:"date"`
Message string `json:"message"`
Type string `json:"type"`
} `json:"commits"`
Created bool `json:"created"`
Closed bool `json:"closed"`
New struct {
Type string `json:"type"`
Name string `json:"name"`
Links struct {
Commits struct {
Href string `json:"href"`
} `json:"commits"`
Self struct {
Href string `json:"href"`
} `json:"self"`
HTML struct {
Href string `json:"href"`
} `json:"html"`
} `json:"links"`
Target struct {
Hash string `json:"hash"`
Links struct {
Self struct {
Href string `json:"href"`
} `json:"self"`
HTML struct {
Href string `json:"href"`
} `json:"html"`
} `json:"links"`
Author struct {
Raw string `json:"raw"`
Type string `json:"type"`
User struct {
Username string `json:"username"`
DisplayName string `json:"display_name"`
AccountID string `json:"account_id"`
Links struct {
Self struct {
Href string `json:"href"`
} `json:"self"`
HTML struct {
Href string `json:"href"`
} `json:"html"`
Avatar struct {
Href string `json:"href"`
} `json:"avatar"`
} `json:"links"`
Type string `json:"type"`
UUID string `json:"uuid"`
} `json:"user"`
} `json:"author"`
Summary struct {
Raw string `json:"raw"`
Markup string `json:"markup"`
HTML string `json:"html"`
Type string `json:"type"`
} `json:"summary"`
Parents []struct {
Type string `json:"type"`
Hash string `json:"hash"`
Links struct {
Self struct {
Href string `json:"href"`
} `json:"self"`
HTML struct {
Href string `json:"href"`
} `json:"html"`
} `json:"links"`
} `json:"parents"`
Date time.Time `json:"date"`
Message string `json:"message"`
Type string `json:"type"`
} `json:"target"`
} `json:"new"`
} `json:"changes"`
} `json:"push"`
Repository webhookRepository `json:"repository"`
Actor webhookActor `json:"actor"`
}
webhook struct {
PullRequest webhookPullRequest `json:"pullrequest"`
Repository webhookRepository `json:"repository"`
Actor webhookActor `json:"actor"`
}
webhookPullRequest struct {
Description string `json:"description"`
Links struct {
HTML struct {
Href string `json:"href"`
} `json:"html"`
Diff struct {
Href string `json:"href"`
} `json:"diff"`
} `json:"links"`
Title string `json:"title"`
ID int `json:"id"`
Destination struct {
Commit struct {
Hash string `json:"hash"`
Links struct {
Self struct {
Href string `json:"href"`
} `json:"self"`
} `json:"links"`
} `json:"commit"`
Branch struct {
Name string `json:"name"`
} `json:"branch"`
Repository struct {
FullName string `json:"full_name"`
Type string `json:"type"`
Name string `json:"name"`
Links struct {
Self struct {
Href string `json:"href"`
} `json:"self"`
HTML struct {
Href string `json:"href"`
} `json:"html"`
Avatar struct {
Href string `json:"href"`
} `json:"avatar"`
} `json:"links"`
UUID string `json:"uuid"`
} `json:"repository"`
} `json:"destination"`
CommentCount int `json:"comment_count"`
Summary struct {
Raw string `json:"raw"`
Markup string `json:"markup"`
HTML string `json:"html"`
Type string `json:"type"`
} `json:"summary"`
Source struct {
Commit struct {
Hash string `json:"hash"`
Links struct {
Self struct {
Href string `json:"href"`
} `json:"self"`
} `json:"links"`
} `json:"commit"`
Branch struct {
Name string `json:"name"`
} `json:"branch"`
Repository struct {
FullName string `json:"full_name"`
Type string `json:"type"`
Name string `json:"name"`
Links struct {
Self struct {
Href string `json:"href"`
} `json:"self"`
HTML struct {
Href string `json:"href"`
} `json:"html"`
Avatar struct {
Href string `json:"href"`
} `json:"avatar"`
} `json:"links"`
UUID string `json:"uuid"`
} `json:"repository"`
} `json:"source"`
State string `json:"state"`
Author struct {
Username string `json:"username"`
DisplayName string `json:"display_name"`
AccountID string `json:"account_id"`
Links struct {
Self struct {
Href string `json:"href"`
} `json:"self"`
HTML struct {
Href string `json:"href"`
} `json:"html"`
Avatar struct {
Href string `json:"href"`
} `json:"avatar"`
} `json:"links"`
Type string `json:"type"`
UUID string `json:"uuid"`
} `json:"author"`
CreatedOn time.Time `json:"created_on"`
UpdatedOn time.Time `json:"updated_on"`
}
webhookRepository struct {
Scm string `json:"scm"`
Name string `json:"name"`
Links struct {
HTML struct {
Href string `json:"href"`
} `json:"html"`
} `json:"links"`
FullName string `json:"full_name"`
Owner struct {
Username string `json:"username"`
DisplayName string `json:"display_name"`
AccountID string `json:"account_id"`
Links struct {
HTML struct {
Href string `json:"href"`
} `json:"html"`
} `json:"links"`
UUID string `json:"uuid"`
} `json:"owner"`
IsPrivate bool `json:"is_private"`
UUID string `json:"uuid"`
}
webhookActor struct {
Username string `json:"username"`
DisplayName string `json:"display_name"`
AccountID string `json:"account_id"`
Links struct {
Avatar struct {
Href string `json:"href"`
} `json:"avatar"`
} `json:"links"`
UUID string `json:"uuid"`
}
)
//
// push hooks
//
func convertPushHook(src *pushHook) *scm.PushHook {
change := src.Push.Changes[0]
namespace, name := scm.Split(src.Repository.FullName)
dst := &scm.PushHook{
Ref: scm.ExpandRef(change.New.Name, "refs/heads/"),
Commit: scm.Commit{
Sha: change.New.Target.Hash,
Message: change.New.Target.Message,
Link: change.New.Target.Links.HTML.Href,
Author: scm.Signature{
Login: change.New.Target.Author.User.Username,
Email: extractEmail(change.New.Target.Author.Raw),
Name: change.New.Target.Author.User.DisplayName,
Avatar: change.New.Target.Author.User.Links.Avatar.Href,
Date: change.New.Target.Date,
},
Committer: scm.Signature{
Login: change.New.Target.Author.User.Username,
Email: extractEmail(change.New.Target.Author.Raw),
Name: change.New.Target.Author.User.DisplayName,
Avatar: change.New.Target.Author.User.Links.Avatar.Href,
Date: change.New.Target.Date,
},
},
Repo: scm.Repository{
ID: src.Repository.UUID,
Namespace: namespace,
Name: name,
Private: src.Repository.IsPrivate,
Clone: fmt.Sprintf("https://bitbucket.org/%s.git", src.Repository.FullName),
CloneSSH: fmt.Sprintf("git@bitbucket.org:%s.git", src.Repository.FullName),
Link: src.Repository.Links.HTML.Href,
},
Sender: scm.User{
Login: src.Actor.Username,
Name: src.Actor.DisplayName,
Avatar: src.Actor.Links.Avatar.Href,
},
}
if change.New.Type == "tag" {
dst.Ref = scm.ExpandRef(change.New.Name, "refs/tags/")
}
return dst
}
func convertBranchCreateHook(src *pushHook) *scm.BranchHook {
namespace, name := scm.Split(src.Repository.FullName)
change := src.Push.Changes[0].New
action := scm.ActionCreate
return &scm.BranchHook{
Action: action,
Ref: scm.Reference{
Name: change.Name,
Sha: change.Target.Hash,
},
Repo: scm.Repository{
ID: src.Repository.UUID,
Namespace: namespace,
Name: name,
Private: src.Repository.IsPrivate,
Clone: fmt.Sprintf("https://bitbucket.org/%s.git", src.Repository.FullName),
CloneSSH: fmt.Sprintf("git@bitbucket.org:%s.git", src.Repository.FullName),
Link: src.Repository.Links.HTML.Href,
},
Sender: scm.User{
Login: src.Actor.Username,
Name: src.Actor.DisplayName,
Avatar: src.Actor.Links.Avatar.Href,
},
}
}
func convertBranchDeleteHook(src *pushHook) *scm.BranchHook {
namespace, name := scm.Split(src.Repository.FullName)
change := src.Push.Changes[0].Old
action := scm.ActionDelete
return &scm.BranchHook{
Action: action,
Ref: scm.Reference{
Name: change.Name,
Sha: change.Target.Hash,
},
Repo: scm.Repository{
ID: src.Repository.UUID,
Namespace: namespace,
Name: name,
Private: src.Repository.IsPrivate,
Clone: fmt.Sprintf("https://bitbucket.org/%s.git", src.Repository.FullName),
CloneSSH: fmt.Sprintf("git@bitbucket.org:%s.git", src.Repository.FullName),
Link: src.Repository.Links.HTML.Href,
},
Sender: scm.User{
Login: src.Actor.Username,
Name: src.Actor.DisplayName,
Avatar: src.Actor.Links.Avatar.Href,
},
}
}
func convertTagCreateHook(src *pushHook) *scm.TagHook {
namespace, name := scm.Split(src.Repository.FullName)
change := src.Push.Changes[0].New
action := scm.ActionCreate
return &scm.TagHook{
Action: action,
Ref: scm.Reference{
Name: change.Name,
Sha: change.Target.Hash,
},
Repo: scm.Repository{
ID: src.Repository.UUID,
Namespace: namespace,
Name: name,
Private: src.Repository.IsPrivate,
Clone: fmt.Sprintf("https://bitbucket.org/%s.git", src.Repository.FullName),
CloneSSH: fmt.Sprintf("git@bitbucket.org:%s.git", src.Repository.FullName),
Link: src.Repository.Links.HTML.Href,
},
Sender: scm.User{
Login: src.Actor.Username,
Name: src.Actor.DisplayName,
Avatar: src.Actor.Links.Avatar.Href,
},
}
}
func convertTagDeleteHook(src *pushHook) *scm.TagHook {
namespace, name := scm.Split(src.Repository.FullName)
change := src.Push.Changes[0].Old
action := scm.ActionDelete
return &scm.TagHook{
Action: action,
Ref: scm.Reference{
Name: change.Name,
Sha: change.Target.Hash,
},
Repo: scm.Repository{
ID: src.Repository.UUID,
Namespace: namespace,
Name: name,
Private: src.Repository.IsPrivate,
Clone: fmt.Sprintf("https://bitbucket.org/%s.git", src.Repository.FullName),
CloneSSH: fmt.Sprintf("git@bitbucket.org:%s.git", src.Repository.FullName),
Link: src.Repository.Links.HTML.Href,
},
Sender: scm.User{
Login: src.Actor.Username,
Name: src.Actor.DisplayName,
Avatar: src.Actor.Links.Avatar.Href,
},
}
}
//
// pull request hooks
//
func convertPullRequestHook(src *webhook) *scm.PullRequestHook {
namespace, name := scm.Split(src.Repository.FullName)
return &scm.PullRequestHook{
Action: scm.ActionOpen,
PullRequest: scm.PullRequest{
Number: src.PullRequest.ID,
Title: src.PullRequest.Title,
Body: src.PullRequest.Description,
Sha: src.PullRequest.Source.Commit.Hash,
Ref: fmt.Sprintf("refs/pull-requests/%d/from", src.PullRequest.ID),
Source: src.PullRequest.Source.Branch.Name,
Target: src.PullRequest.Destination.Branch.Name,
Fork: src.PullRequest.Source.Repository.FullName,
Link: src.PullRequest.Links.HTML.Href,
Closed: src.PullRequest.State != "OPEN",
Merged: src.PullRequest.State == "MERGED",
Author: scm.User{
Login: src.PullRequest.Author.Username,
Name: src.PullRequest.Author.DisplayName,
Avatar: src.PullRequest.Author.Links.Avatar.Href,
},
Created: src.PullRequest.CreatedOn,
Updated: src.PullRequest.UpdatedOn,
},
Repo: scm.Repository{
ID: src.Repository.UUID,
Namespace: namespace,
Name: name,
Private: src.Repository.IsPrivate,
Clone: fmt.Sprintf("https://bitbucket.org/%s.git", src.Repository.FullName),
CloneSSH: fmt.Sprintf("git@bitbucket.org:%s.git", src.Repository.FullName),
Link: src.Repository.Links.HTML.Href,
},
Sender: scm.User{
Login: src.Actor.Username,
Name: src.Actor.DisplayName,
Avatar: src.Actor.Links.Avatar.Href,
},
}
}