Update README.md

[GitLab] Parse label changes on issue and MR events

.travis.yml

@@ -0,0 +1,39 @@
+language: go
+go:
+    - 1.7.6
+    - 1.8.3
+    - tip
+matrix:
+  allow_failures:
+    - go: tip
+
+notifications:
+    email:
+        recipients: dean.karn@gmail.com
+        on_success: change
+        on_failure: always
+
+before_install:
+  - go get -u github.com/go-playground/overalls
+  - go get -u github.com/mattn/goveralls
+  - go get -u golang.org/x/tools/cmd/cover
+  - go get -u github.com/golang/lint/golint
+  - go get -u github.com/gordonklaus/ineffassign
+  - mkdir -p $GOPATH/src/gopkg.in
+  - ln -s $GOPATH/src/github.com/$TRAVIS_REPO_SLUG $GOPATH/src/gopkg.in/webhooks.v2
+  - ln -s $GOPATH/src/github.com/$TRAVIS_REPO_SLUG $GOPATH/src/gopkg.in/webhooks.v3
+
+before_script:
+  - go vet ./...
+
+script:
+ - gofmt -d -s .
+ - golint ./...
+ - ineffassign ./
+ - go test -v ./...
+ - go test -race
+
+after_success: |
+  [ $TRAVIS_GO_VERSION = 1.8.3 ] &&
+  overalls -project="github.com/go-playground/webhooks" -covermode=count -ignore=.git,examples -debug &&
+  goveralls -coverprofile=overalls.coverprofile -service travis-ci -repotoken $COVERALLS_TOKEN

README.md

@@ -1,7 +1,7 @@
 Library webhooks
 ================
-<img align="right" src="https://raw.githubusercontent.com/go-playground/webhooks/v3/logo.png">![Project status](https://img.shields.io/badge/version-3.0.0-green.svg)
-[![Build Status](https://semaphoreci.com/api/v1/joeybloggs/webhooks/branches/v3/badge.svg)](https://semaphoreci.com/joeybloggs/webhooks)
+<img align="right" src="https://raw.githubusercontent.com/go-playground/webhooks/v3/logo.png">![Project status](https://img.shields.io/badge/version-3.5.0-green.svg)
+[![Build Status](https://travis-ci.org/go-playground/webhooks.svg?branch=v3)](https://travis-ci.org/go-playground/webhooks)
 [![Coverage Status](https://coveralls.io/repos/go-playground/webhooks/badge.svg?branch=v3&service=github)](https://coveralls.io/github/go-playground/webhooks?branch=v3)
 [![Go Report Card](https://goreportcard.com/badge/go-playground/webhooks)](https://goreportcard.com/report/go-playground/webhooks)
 [![GoDoc](https://godoc.org/gopkg.in/go-playground/webhooks.v3?status.svg)](https://godoc.org/gopkg.in/go-playground/webhooks.v3)
@@ -75,7 +75,7 @@ func HandleRelease(payload interface{}, header webhooks.Header) {
 	pl := payload.(github.ReleasePayload)
 
 	// only want to compile on full releases
-	if pl.Release.Draft || pl.Release.Prelelease || pl.Release.TargetCommitish != "master" {
+	if pl.Release.Draft || pl.Release.Prerelease || pl.Release.TargetCommitish != "master" {
 		return
 	}
 
@@ -93,7 +93,6 @@ func HandlePullRequest(payload interface{}, header webhooks.Header) {
 	// Do whatever you want from here...
 	fmt.Printf("%+v", pl)
 }
-
 ```
 
 Single receiver for events you subscribe to

bitbucket/bitbucket.go

@@ -2,6 +2,7 @@ package bitbucket
 
 import (
 	"encoding/json"
+	"fmt"
 	"io/ioutil"
 	"net/http"
 
@@ -69,38 +70,46 @@ func (hook Webhook) RegisterEvents(fn webhooks.ProcessPayloadFunc, events ...Eve
 
 // ParsePayload parses and verifies the payload and fires off the mapped function, if it exists.
 func (hook Webhook) ParsePayload(w http.ResponseWriter, r *http.Request) {
+	webhooks.DefaultLog.Info("Parsing Payload...")
 
 	uuid := r.Header.Get("X-Hook-UUID")
 	if uuid == "" {
+		webhooks.DefaultLog.Error("Missing X-Hook-UUID Header")
 		http.Error(w, "400 Bad Request - Missing X-Hook-UUID Header", http.StatusBadRequest)
 		return
 	}
+	webhooks.DefaultLog.Debug(fmt.Sprintf("X-Hook-UUID:%s", uuid))
 
 	if uuid != hook.uuid {
-		http.Error(w, "403 Forbidden - Missing X-Hook-UUID does not match", http.StatusForbidden)
+		webhooks.DefaultLog.Error(fmt.Sprintf("X-Hook-UUID does not match configured uuid of %s", hook.uuid))
+		http.Error(w, "403 Forbidden - X-Hook-UUID does not match", http.StatusForbidden)
 		return
 	}
 
 	event := r.Header.Get("X-Event-Key")
 	if event == "" {
+		webhooks.DefaultLog.Error("Missing X-Event-Key Header")
 		http.Error(w, "400 Bad Request - Missing X-Event-Key Header", http.StatusBadRequest)
 		return
 	}
+	webhooks.DefaultLog.Debug(fmt.Sprintf("X-Event-Key:%s", event))
 
 	bitbucketEvent := Event(event)
 
 	fn, ok := hook.eventFuncs[bitbucketEvent]
 	// if no event registered
 	if !ok {
+		webhooks.DefaultLog.Info(fmt.Sprintf("Webhook Event %s not registered, it is recommended to setup only events in bitbucket that will be registered in the webhook to avoid unnecessary traffic and reduce potential attack vectors.", event))
 		return
 	}
 
 	payload, err := ioutil.ReadAll(r.Body)
 	if err != nil || len(payload) == 0 {
-		http.Error(w, "Error reading Body", http.StatusInternalServerError)
+		webhooks.DefaultLog.Error("Issue reading Payload")
+		http.Error(w, "Issue reading Payload", http.StatusInternalServerError)
 		return
 	}
-
+	webhooks.DefaultLog.Debug(fmt.Sprintf("Payload:%s", string(payload)))
 	hd := webhooks.Header(r.Header)
 
 	switch bitbucketEvent {

examples/custom-logger/main.go

@@ -0,0 +1,67 @@
+package main
+
+import (
+	"fmt"
+	"log"
+	"strconv"
+
+	"gopkg.in/go-playground/webhooks.v3"
+	"gopkg.in/go-playground/webhooks.v3/github"
+)
+
+const (
+	path = "/webhooks"
+	port = 3016
+)
+
+type myLogger struct {
+	PrintDebugs bool
+}
+
+func (l *myLogger) Info(msg string) {
+	log.Println(msg)
+}
+
+func (l *myLogger) Error(msg string) {
+	log.Println(msg)
+}
+
+func (l *myLogger) Debug(msg string) {
+	if !l.PrintDebugs {
+		return
+	}
+	log.Println(msg)
+}
+
+func main() {
+	// webhooks.DefaultLog=webhooks.NewLogger(true)
+	//
+	// or override with your own
+	webhooks.DefaultLog = &myLogger{PrintDebugs: true}
+
+	hook := github.New(&github.Config{Secret: "MyGitHubSuperSecretSecrect...?"})
+	hook.RegisterEvents(HandleMultiple, github.ReleaseEvent, github.PullRequestEvent) // Add as many as you want
+
+	err := webhooks.Run(hook, ":"+strconv.Itoa(port), path)
+	if err != nil {
+		fmt.Println(err)
+	}
+}
+
+// HandleMultiple handles multiple GitHub events
+func HandleMultiple(payload interface{}, header webhooks.Header) {
+	fmt.Println("Handling Payload..")
+
+	switch payload.(type) {
+
+	case github.ReleasePayload:
+		release := payload.(github.ReleasePayload)
+		// Do whatever you want from here...
+		fmt.Printf("%+v", release)
+
+	case github.PullRequestPayload:
+		pullRequest := payload.(github.PullRequestPayload)
+		// Do whatever you want from here...
+		fmt.Printf("%+v", pullRequest)
+	}
+}

examples/multiple-handlers/main.go

@@ -14,7 +14,6 @@ const (
 )
 
 func main() {
-
 	hook := github.New(&github.Config{Secret: "MyGitHubSuperSecretSecrect...?"})
 	hook.RegisterEvents(HandleRelease, github.ReleaseEvent)
 	hook.RegisterEvents(HandlePullRequest, github.PullRequestEvent)
@@ -27,7 +26,6 @@ func main() {
 
 // HandleRelease handles GitHub release events
 func HandleRelease(payload interface{}, header webhooks.Header) {
-
 	fmt.Println("Handling Release")
 
 	pl := payload.(github.ReleasePayload)

examples/single-handler/main.go

@@ -14,7 +14,6 @@ const (
 )
 
 func main() {
-
 	hook := github.New(&github.Config{Secret: "MyGitHubSuperSecretSecrect...?"})
 	hook.RegisterEvents(HandleMultiple, github.ReleaseEvent, github.PullRequestEvent) // Add as many as you want
 
@@ -26,7 +25,6 @@ func main() {
 
 // HandleMultiple handles multiple GitHub events
 func HandleMultiple(payload interface{}, header webhooks.Header) {
-
 	fmt.Println("Handling Payload..")
 
 	switch payload.(type) {

github/github.go

@@ -5,6 +5,7 @@ import (
 	"crypto/sha1"
 	"encoding/hex"
 	"encoding/json"
+	"fmt"
 	"io/ioutil"
 	"net/http"
 
@@ -96,36 +97,43 @@ func (hook Webhook) RegisterEvents(fn webhooks.ProcessPayloadFunc, events ...Eve
 
 // ParsePayload parses and verifies the payload and fires off the mapped function, if it exists.
 func (hook Webhook) ParsePayload(w http.ResponseWriter, r *http.Request) {
+	webhooks.DefaultLog.Info("Parsing Payload...")
 
 	event := r.Header.Get("X-GitHub-Event")
 	if len(event) == 0 {
+		webhooks.DefaultLog.Error("Missing X-GitHub-Event Header")
 		http.Error(w, "400 Bad Request - Missing X-GitHub-Event Header", http.StatusBadRequest)
 		return
 	}
+	webhooks.DefaultLog.Debug(fmt.Sprintf("X-GitHub-Event:%s", event))
 
 	gitHubEvent := Event(event)
 
 	fn, ok := hook.eventFuncs[gitHubEvent]
 	// if no event registered
 	if !ok {
+		webhooks.DefaultLog.Info(fmt.Sprintf("Webhook Event %s not registered, it is recommended to setup only events in github that will be registered in the webhook to avoid unnecessary traffic and reduce potential attack vectors.", event))
 		return
 	}
 
 	payload, err := ioutil.ReadAll(r.Body)
 	if err != nil || len(payload) == 0 {
-		http.Error(w, "Error reading Body", http.StatusInternalServerError)
+		webhooks.DefaultLog.Error("Issue reading Payload")
+		http.Error(w, "Issue reading Payload", http.StatusInternalServerError)
 		return
 	}
+	webhooks.DefaultLog.Debug(fmt.Sprintf("Payload:%s", string(payload)))
 
 	// If we have a Secret set, we should check the MAC
 	if len(hook.secret) > 0 {
-
+		webhooks.DefaultLog.Info("Checking secret")
 		signature := r.Header.Get("X-Hub-Signature")
-
 		if len(signature) == 0 {
+			webhooks.DefaultLog.Error("Missing X-Hub-Signature required for HMAC verification")
 			http.Error(w, "403 Forbidden - Missing X-Hub-Signature required for HMAC verification", http.StatusForbidden)
 			return
 		}
+		webhooks.DefaultLog.Debug(fmt.Sprintf("X-Hub-Signature:%s", signature))
 
 		mac := hmac.New(sha1.New, []byte(hook.secret))
 		mac.Write(payload)
@@ -133,6 +141,7 @@ func (hook Webhook) ParsePayload(w http.ResponseWriter, r *http.Request) {
 		expectedMAC := hex.EncodeToString(mac.Sum(nil))
 
 		if !hmac.Equal([]byte(signature[5:]), []byte(expectedMAC)) {
+			webhooks.DefaultLog.Error("HMAC verification failed")
 			http.Error(w, "403 Forbidden - HMAC verification failed", http.StatusForbidden)
 			return
 		}

github/payload.go

@@ -2,8 +2,6 @@ package github
 
 import "time"
 
-// PushPayload contains the information for GitHub's push hook event
-
 // CommitCommentPayload contains the information for GitHub's commit_comment hook event
 type CommitCommentPayload struct {
 	Action  string `json:"action"`
@@ -30,13 +28,14 @@ type CommitCommentPayload struct {
 			Type              string `json:"type"`
 			SiteAdmin         bool   `json:"site_admin"`
 		} `json:"user"`
-		Position  *int64    `json:"position"`
-		Line      *int64    `json:"line"`
-		Path      *string   `json:"path"`
-		CommitID  string    `json:"commit_id"`
-		CreatedAt time.Time `json:"created_at"`
-		UpdatedAt time.Time `json:"updated_at"`
-		Body      string    `json:"body"`
+		Position          *int64    `json:"position"`
+		Line              *int64    `json:"line"`
+		Path              *string   `json:"path"`
+		CommitID          string    `json:"commit_id"`
+		CreatedAt         time.Time `json:"created_at"`
+		UpdatedAt         time.Time `json:"updated_at"`
+		Body              string    `json:"body"`
+		AuthorAssociation string    `json:"author_association"`
 	} `json:"comment"`
 	Repository struct {
 		ID       int64  `json:"id"`
@@ -1078,9 +1077,10 @@ type IssueCommentPayload struct {
 			Type              string `json:"type"`
 			SiteAdmin         bool   `json:"site_admin"`
 		} `json:"user"`
-		CreatedAt time.Time `json:"created_at"`
-		UpdatedAt time.Time `json:"updated_at"`
-		Body      string    `json:"body"`
+		CreatedAt         time.Time `json:"created_at"`
+		UpdatedAt         time.Time `json:"updated_at"`
+		Body              string    `json:"body"`
+		AuthorAssociation string    `json:"author_association"`
 	} `json:"comment"`
 	Repository struct {
 		ID       int64  `json:"id"`
@@ -2942,6 +2942,13 @@ type PullRequestPayload struct {
 		Deletions      int64     `json:"deletions"`
 		ChangedFiles   int64     `json:"changed_files"`
 	} `json:"pull_request"`
+	Label struct {
+		ID      int64  `json:"id"`
+		URL     string `json:"url"`
+		Name    string `json:"name"`
+		Color   string `json:"color"`
+		Default bool   `json:"default"`
+	} `json:"label"`
 	Repository struct {
 		ID       int64  `json:"id"`
 		Name     string `json:"name"`
@@ -3526,12 +3533,13 @@ type PullRequestReviewCommentPayload struct {
 			Type              string `json:"type"`
 			SiteAdmin         bool   `json:"site_admin"`
 		} `json:"user"`
-		Body           string    `json:"body"`
-		CreatedAt      time.Time `json:"created_at"`
-		UpdatedAt      time.Time `json:"updated_at"`
-		HTMLURL        string    `json:"html_url"`
-		PullRequestURL string    `json:"pull_request_url"`
-		Links          struct {
+		Body              string    `json:"body"`
+		AuthorAssociation string    `json:"author_association"`
+		CreatedAt         time.Time `json:"created_at"`
+		UpdatedAt         time.Time `json:"updated_at"`
+		HTMLURL           string    `json:"html_url"`
+		PullRequestURL    string    `json:"pull_request_url"`
+		Links             struct {
 			Self struct {
 				Href string `json:"href"`
 			} `json:"self"`
@@ -3954,6 +3962,7 @@ type PushPayload struct {
 	BaseRef *string `json:"base_ref"`
 	Compare string  `json:"compare"`
 	Commits []struct {
+		Sha       string `json:"sha"`
 		ID        string `json:"id"`
 		TreeID    string `json:"tree_id"`
 		Distinct  bool   `json:"distinct"`

gitlab/gitlab.go

@@ -2,6 +2,7 @@ package gitlab
 
 import (
 	"encoding/json"
+	"fmt"
 	"io/ioutil"
 	"net/http"
 
@@ -25,14 +26,15 @@ type Event string
 
 // GitLab hook types
 const (
-	PushEvents         Event = "Push Hook"
-	TagEvents          Event = "Tag Push Hook"
-	IssuesEvents       Event = "Issue Hook"
-	CommentEvents      Event = "Note Hook"
-	MergeRequestEvents Event = "Merge Request Hook"
-	WikiPageEvents     Event = "Wiki Page Hook"
-	PipelineEvents     Event = "Pipeline Hook"
-	BuildEvents        Event = "Build Hook"
+	PushEvents               Event = "Push Hook"
+	TagEvents                Event = "Tag Push Hook"
+	IssuesEvents             Event = "Issue Hook"
+	ConfidentialIssuesEvents Event = "Confidential Issue Hook"
+	CommentEvents            Event = "Note Hook"
+	MergeRequestEvents       Event = "Merge Request Hook"
+	WikiPageEvents           Event = "Wiki Page Hook"
+	PipelineEvents           Event = "Pipeline Hook"
+	BuildEvents              Event = "Build Hook"
 )
 
 // New creates and returns a WebHook instance denoted by the Provider type
@@ -59,33 +61,39 @@ func (hook Webhook) RegisterEvents(fn webhooks.ProcessPayloadFunc, events ...Eve
 
 // ParsePayload parses and verifies the payload and fires off the mapped function, if it exists.
 func (hook Webhook) ParsePayload(w http.ResponseWriter, r *http.Request) {
+	webhooks.DefaultLog.Info("Parsing Payload...")
 
 	event := r.Header.Get("X-Gitlab-Event")
 	if len(event) == 0 {
+		webhooks.DefaultLog.Error("Missing X-Gitlab-Event Header")
 		http.Error(w, "400 Bad Request - Missing X-Gitlab-Event Header", http.StatusBadRequest)
 		return
 	}
+	webhooks.DefaultLog.Debug(fmt.Sprintf("X-Gitlab-Event:%s", event))
 
 	gitLabEvent := Event(event)
 
 	fn, ok := hook.eventFuncs[gitLabEvent]
 	// if no event registered
 	if !ok {
+		webhooks.DefaultLog.Info(fmt.Sprintf("Webhook Event %s not registered, it is recommended to setup only events in gitlab that will be registered in the webhook to avoid unnecessary traffic and reduce potential attack vectors.", event))
 		return
 	}
 
 	payload, err := ioutil.ReadAll(r.Body)
 	if err != nil || len(payload) == 0 {
-		http.Error(w, "Error reading Body", http.StatusInternalServerError)
+		webhooks.DefaultLog.Error("Issue reading Payload")
+		http.Error(w, "Error reading Payload", http.StatusInternalServerError)
 		return
 	}
+	webhooks.DefaultLog.Debug(fmt.Sprintf("Payload:%s", string(payload)))
 
 	// If we have a Secret set, we should check the MAC
 	if len(hook.secret) > 0 {
-
+		webhooks.DefaultLog.Info("Checking secret")
 		signature := r.Header.Get("X-Gitlab-Token")
-
 		if signature != hook.secret {
+			webhooks.DefaultLog.Error(fmt.Sprintf("Invalid X-Gitlab-Token of '%s'", signature))
 			http.Error(w, "403 Forbidden - Token missmatch", http.StatusForbidden)
 			return
 		}
@@ -105,6 +113,11 @@ func (hook Webhook) ParsePayload(w http.ResponseWriter, r *http.Request) {
 		json.Unmarshal([]byte(payload), &te)
 		hook.runProcessPayloadFunc(fn, te, hd)
 
+	case ConfidentialIssuesEvents:
+		var cie ConfidentialIssueEventPayload
+		json.Unmarshal([]byte(payload), &cie)
+		hook.runProcessPayloadFunc(fn, cie, hd)
+
 	case IssuesEvents:
 		var ie IssueEventPayload
 		json.Unmarshal([]byte(payload), &ie)

gitlab/gitlab_test.go

@@ -43,6 +43,7 @@ func TestMain(m *testing.M) {
 		PushEvents,
 		TagEvents,
 		IssuesEvents,
+		ConfidentialIssuesEvents,
 		CommentEvents,
 		MergeRequestEvents,
 		WikiPageEvents,
@@ -349,6 +350,78 @@ func TestIssueEvent(t *testing.T) {
 	Equal(t, resp.StatusCode, http.StatusOK)
 }
 
+func TestConfidentialIssueEvent(t *testing.T) {
+
+	payload := `{
+    "object_kind": "issue",
+    "user": {
+      "name": "Administrator",
+      "username": "root",
+      "avatar_url": "http://www.gravatar.com/avatar/e64c7d89f26bd1972efa854d13d7dd61?s=40\u0026d=identicon"
+    },
+    "project":{
+      "name":"Gitlab Test",
+      "description":"Aut reprehenderit ut est.",
+      "web_url":"http://example.com/gitlabhq/gitlab-test",
+      "avatar_url":null,
+      "git_ssh_url":"git@example.com:gitlabhq/gitlab-test.git",
+      "git_http_url":"http://example.com/gitlabhq/gitlab-test.git",
+      "namespace":"GitlabHQ",
+      "visibility_level":20,
+      "path_with_namespace":"gitlabhq/gitlab-test",
+      "default_branch":"master",
+      "homepage":"http://example.com/gitlabhq/gitlab-test",
+      "url":"http://example.com/gitlabhq/gitlab-test.git",
+      "ssh_url":"git@example.com:gitlabhq/gitlab-test.git",
+      "http_url":"http://example.com/gitlabhq/gitlab-test.git"
+    },
+    "repository":{
+      "name": "Gitlab Test",
+      "url": "http://example.com/gitlabhq/gitlab-test.git",
+      "description": "Aut reprehenderit ut est.",
+      "homepage": "http://example.com/gitlabhq/gitlab-test"
+    },
+    "object_attributes": {
+      "id": 301,
+      "title": "New API: create/update/delete file",
+      "assignee_id": 51,
+      "author_id": 51,
+      "project_id": 14,
+      "created_at": "2013-12-03T17:15:43Z",
+      "updated_at": "2013-12-03T17:15:43Z",
+      "position": 0,
+      "branch_name": null,
+      "description": "Create new API for manipulations with repository",
+      "milestone_id": null,
+      "state": "opened",
+      "iid": 23,
+      "url": "http://example.com/diaspora/issues/23",
+      "action": "open"
+    },
+    "assignee": {
+      "name": "User1",
+      "username": "user1",
+      "avatar_url": "http://www.gravatar.com/avatar/e64c7d89f26bd1972efa854d13d7dd61?s=40\u0026d=identicon"
+    }
+  }
+  `
+
+	req, err := http.NewRequest("POST", "http://127.0.0.1:3011/webhooks", bytes.NewBuffer([]byte(payload)))
+	req.Header.Set("Content-Type", "application/json")
+	req.Header.Set("X-Gitlab-Event", "Confidential Issue Hook")
+	req.Header.Set("X-Gitlab-Token", "sampleToken!")
+
+	Equal(t, err, nil)
+
+	client := &http.Client{}
+	resp, err := client.Do(req)
+	Equal(t, err, nil)
+
+	defer resp.Body.Close()
+
+	Equal(t, resp.StatusCode, http.StatusOK)
+}
+
 func TestCommentCommitEvent(t *testing.T) {
 
 	payload := `{

gitlab/payload.go

@@ -38,6 +38,14 @@ type IssueEventPayload struct {
 	Repository       Repository       `json:"repository"`
 	ObjectAttributes ObjectAttributes `json:"object_attributes"`
 	Assignee         Assignee         `json:"assignee"`
+	Changes          Changes          `json:"changes"`
+}
+
+// ConfidentialIssueEventPayload contains the information for GitLab's confidential issue event
+type ConfidentialIssueEventPayload struct {
+	// The data for confidential issues is currently the same as normal issues,
+	// so we can just embed the normal issue payload type here.
+	IssueEventPayload
 }
 
 // MergeRequestEventPayload contains the information for GitLab's merge request event
@@ -45,6 +53,7 @@ type MergeRequestEventPayload struct {
 	ObjectKind       string           `json:"object_kind"`
 	User             User             `json:"user"`
 	ObjectAttributes ObjectAttributes `json:"object_attributes"`
+	Changes          Changes          `json:"changes"`
 }
 
 // PushEventPayload contains the information for GitLab's push event
@@ -312,7 +321,7 @@ type MergeRequest struct {
 	ID              int64      `json:"id"`
 	TargetBranch    string     `json:"target_branch"`
 	SourceBranch    string     `json:"source_branch"`
-	SourceProjectID string     `json:"source_project_id"`
+	SourceProjectID int64      `json:"source_project_id"`
 	AssigneeID      int64      `json:"assignee_id"`
 	AuthorID        int64      `json:"author_id"`
 	Title           string     `json:"title"`
@@ -402,3 +411,28 @@ type Author struct {
 	Name  string `json:"name"`
 	Email string `json:"email"`
 }
+
+// Changes contains all changes associated with a GitLab issue or MR
+type Changes struct {
+	LabelChanges LabelChanges `json:"labels"`
+}
+
+// LabelChanges contains changes in labels assocatiated with a GitLab issue or MR
+type LabelChanges struct {
+	Previous []Label `json:"previous"`
+	Current  []Label `json:"current"`
+}
+
+// Label contains all of the GitLab label information
+type Label struct {
+	Id          int64      `json:"id"`
+	Title       string     `json:"title"`
+	Color       string     `json:"color"`
+	ProjectId   int64      `json:"project_id"`
+	CreatedAt   customTime `json:"created_at"`
+	UpdatedAt   customTime `json:"updated_at"`
+	Template    bool       `json:"template"`
+	Description string     `json:"description"`
+	Type        string     `json:"type"`
+	GroupId     int64      `json:"group_id"`
+}

logger.go

@@ -0,0 +1,44 @@
+package webhooks
+
+import "log"
+
+// DefaultLog contains the default logger for webhooks, and prints only info and error messages by default
+// for debugs override DefaultLog or see NewLogger for creating one without debugs.
+var DefaultLog Logger = new(logger)
+
+// Logger allows for customizable logging
+type Logger interface {
+	// Info prints basic information.
+	Info(string)
+	// Error prints error information.
+	Error(string)
+	// Debug prints information usefull for debugging.
+	Debug(string)
+}
+
+// NewLogger returns a new logger for use.
+func NewLogger(debug bool) Logger {
+	return &logger{PrintDebugs: debug}
+}
+
+type logger struct {
+	PrintDebugs bool
+}
+
+// Info prints basic information.
+func (l *logger) Info(msg string) {
+	log.Println("INFO:", msg)
+}
+
+// v prints error information.
+func (l *logger) Error(msg string) {
+	log.Println("ERROR:", msg)
+}
+
+// Debug prints information usefull for debugging.
+func (l *logger) Debug(msg string) {
+	if !l.PrintDebugs {
+		return
+	}
+	log.Println("DEBUG:", msg)
+}

webhooks.go

@@ -1,6 +1,9 @@
 package webhooks
 
-import "net/http"
+import (
+	"fmt"
+	"net/http"
+)
 
 // Header provides http.Header to minimize imports
 type Header http.Header
@@ -35,22 +38,31 @@ type Webhook interface {
 }
 
 type server struct {
-	hook Webhook
-	path string
+	hook             Webhook
+	path             string
+	includePathCheck bool
 }
 
 // ProcessPayloadFunc is a common function for payload return values
 type ProcessPayloadFunc func(payload interface{}, header Header)
 
+// Handler returns the webhook http.Handler for use in your own Mux implementation
+func Handler(hook Webhook) http.Handler {
+	return &server{
+		hook: hook,
+	}
+}
+
 // Run runs a server
 func Run(hook Webhook, addr string, path string) error {
 	srv := &server{
-		hook: hook,
-		path: path,
+		hook:             hook,
+		path:             path,
+		includePathCheck: true,
 	}
-
 	s := &http.Server{Addr: addr, Handler: srv}
 
+	DefaultLog.Info(fmt.Sprintf("Listening on addr: %s path: %s", addr, path))
 	return s.ListenAndServe()
 }
 
@@ -58,12 +70,13 @@ func Run(hook Webhook, addr string, path string) error {
 func RunServer(s *http.Server, hook Webhook, path string) error {
 
 	srv := &server{
-		hook: hook,
-		path: path,
+		hook:             hook,
+		path:             path,
+		includePathCheck: true,
 	}
 
 	s.Handler = srv
-
+	DefaultLog.Info(fmt.Sprintf("Listening on addr: %s path: %s", s.Addr, path))
 	return s.ListenAndServe()
 }
 
@@ -74,26 +87,34 @@ func RunServer(s *http.Server, hook Webhook, path string) error {
 func RunTLSServer(s *http.Server, hook Webhook, path string) error {
 
 	srv := &server{
-		hook: hook,
-		path: path,
+		hook:             hook,
+		path:             path,
+		includePathCheck: true,
 	}
 
 	s.Handler = srv
-
+	DefaultLog.Info(fmt.Sprintf("Listening on addr: %s path: %s", s.Addr, path))
 	return s.ListenAndServeTLS("", "")
 }
 
 // ServeHTTP is the Handler for every posted WebHook Event
 func (s *server) ServeHTTP(w http.ResponseWriter, r *http.Request) {
 	defer r.Body.Close()
+	DefaultLog.Info("Webhook received")
 
 	if r.Method != "POST" {
+		DefaultLog.Error(fmt.Sprintf("405 Method not allowed, attempt made using Method: %s", r.Method))
 		http.Error(w, "405 Method not allowed", http.StatusMethodNotAllowed)
 		return
 	}
-	if r.URL.Path != s.path {
-		http.Error(w, "404 Not found", http.StatusNotFound)
-		return
+
+	DefaultLog.Debug(fmt.Sprintf("Include path check: %t", s.includePathCheck))
+	if s.includePathCheck {
+		if r.URL.Path != s.path {
+			DefaultLog.Error(fmt.Sprintf("404 Not found, POST made using path: %s, but expected %s", r.URL.Path, s.path))
+			http.Error(w, "404 Not found", http.StatusNotFound)
+			return
+		}
 	}
 
 	s.hook.ParsePayload(w, r)

webhooks_test.go

@@ -8,6 +8,8 @@ import (
 	"testing"
 	"time"
 
+	"net/http/httptest"
+
 	. "gopkg.in/go-playground/assert.v1"
 )
 
@@ -47,6 +49,43 @@ func TestMain(m *testing.M) {
 	// teardown
 }
 
+func TestHandler(t *testing.T) {
+
+	mux := http.NewServeMux()
+	mux.Handle("/webhooks", Handler(fakeHook))
+
+	s := httptest.NewServer(Handler(fakeHook))
+	defer s.Close()
+
+	payload := "{}"
+
+	req, err := http.NewRequest("POST", s.URL+"/webhooks", bytes.NewBuffer([]byte(payload)))
+	req.Header.Set("Content-Type", "application/json")
+
+	Equal(t, err, nil)
+
+	client := &http.Client{}
+	resp, err := client.Do(req)
+	Equal(t, err, nil)
+
+	defer resp.Body.Close()
+
+	Equal(t, resp.StatusCode, http.StatusOK)
+
+	// Test BAD METHOD
+	req, err = http.NewRequest("GET", s.URL+"/webhooks", bytes.NewBuffer([]byte(payload)))
+	req.Header.Set("Content-Type", "application/json")
+
+	Equal(t, err, nil)
+
+	resp, err = client.Do(req)
+	Equal(t, err, nil)
+
+	defer resp.Body.Close()
+
+	Equal(t, resp.StatusCode, http.StatusMethodNotAllowed)
+}
+
 func TestRun(t *testing.T) {
 
 	go Run(fakeHook, "127.0.0.1:3006", "/webhooks")
@@ -97,7 +136,7 @@ func TestRun(t *testing.T) {
 }
 
 func TestRunServer(t *testing.T) {
-
+	DefaultLog = NewLogger(true)
 	server := &http.Server{Addr: "127.0.0.1:3007", Handler: nil}
 	go RunServer(server, fakeHook, "/webhooks")
 	time.Sleep(5000)