[REFACTOR] webhook.Handler interface

.deadcode-out

@@ -342,4 +342,5 @@ package "code.gitea.io/gitea/services/repository/files"
 
 package "code.gitea.io/gitea/services/webhook"
 	func NewNotifier
+	func List
 

models/fixtures/webhook.yml

@@ -3,6 +3,7 @@
   repo_id: 1
   url: http://www.example.com/url1
   http_method: POST
+  type: forgejo
   content_type: 1 # json
   events: '{"push_only":true,"send_everything":false,"choose_events":false,"events":{"create":false,"push":true,"pull_request":false}}'
   is_active: false # disable to prevent sending hook task during unrelated tests

modules/structs/hook.go

@@ -17,13 +17,17 @@ var ErrInvalidReceiveHook = errors.New("Invalid JSON payload received over webho
 
 // Hook a hook is a web hook when one repository changed
 type Hook struct {
-	ID                  int64             `json:"id"`
+	ID           int64  `json:"id"`
-	Type                string            `json:"type"`
+	Type         string `json:"type"`
-	BranchFilter        string            `json:"branch_filter"`
+	BranchFilter string `json:"branch_filter"`
-	URL                 string            `json:"-"`
+	URL          string `json:"url"`
+
+	// Deprecated: use Metadata instead
 	Config              map[string]string `json:"config"`
 	Events              []string          `json:"events"`
 	AuthorizationHeader string            `json:"authorization_header"`
+	ContentType         string            `json:"content_type"`
+	Metadata            any               `json:"metadata"`
 	Active              bool              `json:"active"`
 	// swagger:strfmt date-time
 	Updated time.Time `json:"updated_at"`

routers/web/repo/setting/webhook.go

@@ -637,17 +637,9 @@ func checkWebhook(ctx *context.Context) (*ownerRepoCtx, *webhook.Webhook) {
 	}
 
 	ctx.Data["HookType"] = w.Type
-	switch w.Type {
+
-	case webhook_module.SLACK:
+	if handler := webhook_service.GetWebhookHandler(w.Type); handler != nil {
-		ctx.Data["SlackHook"] = webhook_service.GetSlackHook(w)
+		ctx.Data["HookMetadata"] = handler.Metadata(w)
-	case webhook_module.DISCORD:
-		ctx.Data["DiscordHook"] = webhook_service.GetDiscordHook(w)
-	case webhook_module.TELEGRAM:
-		ctx.Data["TelegramHook"] = webhook_service.GetTelegramHook(w)
-	case webhook_module.MATRIX:
-		ctx.Data["MatrixHook"] = webhook_service.GetMatrixHook(w)
-	case webhook_module.PACKAGIST:
-		ctx.Data["PackagistHook"] = webhook_service.GetPackagistHook(w)
 	}
 
 	ctx.Data["History"], err = w.History(ctx, 1)

services/webhook/default.go

@@ -0,0 +1,136 @@
+// Copyright 2024  The Forgejo Authors c/o Codeberg e.V.. All rights reserved.
+// SPDX-License-Identifier: MIT
+
+package webhook
+
+import (
+	"context"
+	"crypto/hmac"
+	"crypto/sha1"
+	"crypto/sha256"
+	"encoding/hex"
+	"fmt"
+	"io"
+	"net/http"
+	"net/url"
+	"strings"
+
+	webhook_model "code.gitea.io/gitea/models/webhook"
+	"code.gitea.io/gitea/modules/log"
+	webhook_module "code.gitea.io/gitea/modules/webhook"
+)
+
+var _ Handler = defaultHandler{}
+
+type defaultHandler struct {
+	forgejo bool
+}
+
+func (dh defaultHandler) Type() webhook_module.HookType {
+	if dh.forgejo {
+		return webhook_module.FORGEJO
+	}
+	return webhook_module.GITEA
+}
+
+func (defaultHandler) Metadata(*webhook_model.Webhook) any { return nil }
+
+func (defaultHandler) NewRequest(ctx context.Context, w *webhook_model.Webhook, t *webhook_model.HookTask) (req *http.Request, body []byte, err error) {
+	switch w.HTTPMethod {
+	case "":
+		log.Info("HTTP Method for %s webhook %s [ID: %d] is not set, defaulting to POST", w.Type, w.URL, w.ID)
+		fallthrough
+	case http.MethodPost:
+		switch w.ContentType {
+		case webhook_model.ContentTypeJSON:
+			req, err = http.NewRequest("POST", w.URL, strings.NewReader(t.PayloadContent))
+			if err != nil {
+				return nil, nil, err
+			}
+
+			req.Header.Set("Content-Type", "application/json")
+		case webhook_model.ContentTypeForm:
+			forms := url.Values{
+				"payload": []string{t.PayloadContent},
+			}
+
+			req, err = http.NewRequest("POST", w.URL, strings.NewReader(forms.Encode()))
+			if err != nil {
+				return nil, nil, err
+			}
+
+			req.Header.Set("Content-Type", "application/x-www-form-urlencoded")
+		default:
+			return nil, nil, fmt.Errorf("invalid content type: %v", w.ContentType)
+		}
+	case http.MethodGet:
+		u, err := url.Parse(w.URL)
+		if err != nil {
+			return nil, nil, fmt.Errorf("invalid URL: %w", err)
+		}
+		vals := u.Query()
+		vals["payload"] = []string{t.PayloadContent}
+		u.RawQuery = vals.Encode()
+		req, err = http.NewRequest("GET", u.String(), nil)
+		if err != nil {
+			return nil, nil, err
+		}
+	case http.MethodPut:
+		switch w.Type {
+		case webhook_module.MATRIX: // used when t.Version == 1
+			txnID, err := getMatrixTxnID([]byte(t.PayloadContent))
+			if err != nil {
+				return nil, nil, err
+			}
+			url := fmt.Sprintf("%s/%s", w.URL, url.PathEscape(txnID))
+			req, err = http.NewRequest("PUT", url, strings.NewReader(t.PayloadContent))
+			if err != nil {
+				return nil, nil, err
+			}
+		default:
+			return nil, nil, fmt.Errorf("invalid http method: %v", w.HTTPMethod)
+		}
+	default:
+		return nil, nil, fmt.Errorf("invalid http method: %v", w.HTTPMethod)
+	}
+
+	body = []byte(t.PayloadContent)
+	return req, body, addDefaultHeaders(req, []byte(w.Secret), t, body)
+}
+
+func addDefaultHeaders(req *http.Request, secret []byte, t *webhook_model.HookTask, payloadContent []byte) error {
+	var signatureSHA1 string
+	var signatureSHA256 string
+	if len(secret) > 0 {
+		sig1 := hmac.New(sha1.New, secret)
+		sig256 := hmac.New(sha256.New, secret)
+		_, err := io.MultiWriter(sig1, sig256).Write(payloadContent)
+		if err != nil {
+			// this error should never happen, since the hashes are writing to []byte and always return a nil error.
+			return fmt.Errorf("prepareWebhooks.sigWrite: %w", err)
+		}
+		signatureSHA1 = hex.EncodeToString(sig1.Sum(nil))
+		signatureSHA256 = hex.EncodeToString(sig256.Sum(nil))
+	}
+
+	event := t.EventType.Event()
+	eventType := string(t.EventType)
+	req.Header.Add("X-Forgejo-Delivery", t.UUID)
+	req.Header.Add("X-Forgejo-Event", event)
+	req.Header.Add("X-Forgejo-Event-Type", eventType)
+	req.Header.Add("X-Forgejo-Signature", signatureSHA256)
+	req.Header.Add("X-Gitea-Delivery", t.UUID)
+	req.Header.Add("X-Gitea-Event", event)
+	req.Header.Add("X-Gitea-Event-Type", eventType)
+	req.Header.Add("X-Gitea-Signature", signatureSHA256)
+	req.Header.Add("X-Gogs-Delivery", t.UUID)
+	req.Header.Add("X-Gogs-Event", event)
+	req.Header.Add("X-Gogs-Event-Type", eventType)
+	req.Header.Add("X-Gogs-Signature", signatureSHA256)
+	req.Header.Add("X-Hub-Signature", "sha1="+signatureSHA1)
+	req.Header.Add("X-Hub-Signature-256", "sha256="+signatureSHA256)
+	req.Header["X-GitHub-Delivery"] = []string{t.UUID}
+	req.Header["X-GitHub-Event"] = []string{event}
+	req.Header["X-GitHub-Event-Type"] = []string{eventType}
+	return nil
+}

services/webhook/deliver.go

@@ -5,11 +5,7 @@ package webhook
 
 import (
 	"context"
-	"crypto/hmac"
-	"crypto/sha1"
-	"crypto/sha256"
 	"crypto/tls"
-	"encoding/hex"
 	"fmt"
 	"io"
 	"net/http"
@@ -32,106 +28,6 @@ import (
 	"github.com/gobwas/glob"
 )
 
-func newDefaultRequest(ctx context.Context, w *webhook_model.Webhook, t *webhook_model.HookTask) (req *http.Request, body []byte, err error) {
-	switch w.HTTPMethod {
-	case "":
-		log.Info("HTTP Method for %s webhook %s [ID: %d] is not set, defaulting to POST", w.Type, w.URL, w.ID)
-		fallthrough
-	case http.MethodPost:
-		switch w.ContentType {
-		case webhook_model.ContentTypeJSON:
-			req, err = http.NewRequest("POST", w.URL, strings.NewReader(t.PayloadContent))
-			if err != nil {
-				return nil, nil, err
-			}
-
-			req.Header.Set("Content-Type", "application/json")
-		case webhook_model.ContentTypeForm:
-			forms := url.Values{
-				"payload": []string{t.PayloadContent},
-			}
-
-			req, err = http.NewRequest("POST", w.URL, strings.NewReader(forms.Encode()))
-			if err != nil {
-				return nil, nil, err
-			}
-
-			req.Header.Set("Content-Type", "application/x-www-form-urlencoded")
-		default:
-			return nil, nil, fmt.Errorf("invalid content type: %v", w.ContentType)
-		}
-	case http.MethodGet:
-		u, err := url.Parse(w.URL)
-		if err != nil {
-			return nil, nil, fmt.Errorf("invalid URL: %w", err)
-		}
-		vals := u.Query()
-		vals["payload"] = []string{t.PayloadContent}
-		u.RawQuery = vals.Encode()
-		req, err = http.NewRequest("GET", u.String(), nil)
-		if err != nil {
-			return nil, nil, err
-		}
-	case http.MethodPut:
-		switch w.Type {
-		case webhook_module.MATRIX: // used when t.Version == 1
-			txnID, err := getMatrixTxnID([]byte(t.PayloadContent))
-			if err != nil {
-				return nil, nil, err
-			}
-			url := fmt.Sprintf("%s/%s", w.URL, url.PathEscape(txnID))
-			req, err = http.NewRequest("PUT", url, strings.NewReader(t.PayloadContent))
-			if err != nil {
-				return nil, nil, err
-			}
-		default:
-			return nil, nil, fmt.Errorf("invalid http method: %v", w.HTTPMethod)
-		}
-	default:
-		return nil, nil, fmt.Errorf("invalid http method: %v", w.HTTPMethod)
-	}
-
-	body = []byte(t.PayloadContent)
-	return req, body, addDefaultHeaders(req, []byte(w.Secret), t, body)
-}
-
-func addDefaultHeaders(req *http.Request, secret []byte, t *webhook_model.HookTask, payloadContent []byte) error {
-	var signatureSHA1 string
-	var signatureSHA256 string
-	if len(secret) > 0 {
-		sig1 := hmac.New(sha1.New, secret)
-		sig256 := hmac.New(sha256.New, secret)
-		_, err := io.MultiWriter(sig1, sig256).Write(payloadContent)
-		if err != nil {
-			// this error should never happen, since the hashes are writing to []byte and always return a nil error.
-			return fmt.Errorf("prepareWebhooks.sigWrite: %w", err)
-		}
-		signatureSHA1 = hex.EncodeToString(sig1.Sum(nil))
-		signatureSHA256 = hex.EncodeToString(sig256.Sum(nil))
-	}
-
-	event := t.EventType.Event()
-	eventType := string(t.EventType)
-	req.Header.Add("X-Forgejo-Delivery", t.UUID)
-	req.Header.Add("X-Forgejo-Event", event)
-	req.Header.Add("X-Forgejo-Event-Type", eventType)
-	req.Header.Add("X-Forgejo-Signature", signatureSHA256)
-	req.Header.Add("X-Gitea-Delivery", t.UUID)
-	req.Header.Add("X-Gitea-Event", event)
-	req.Header.Add("X-Gitea-Event-Type", eventType)
-	req.Header.Add("X-Gitea-Signature", signatureSHA256)
-	req.Header.Add("X-Gogs-Delivery", t.UUID)
-	req.Header.Add("X-Gogs-Event", event)
-	req.Header.Add("X-Gogs-Event-Type", eventType)
-	req.Header.Add("X-Gogs-Signature", signatureSHA256)
-	req.Header.Add("X-Hub-Signature", "sha1="+signatureSHA1)
-	req.Header.Add("X-Hub-Signature-256", "sha256="+signatureSHA256)
-	req.Header["X-GitHub-Delivery"] = []string{t.UUID}
-	req.Header["X-GitHub-Event"] = []string{event}
-	req.Header["X-GitHub-Event-Type"] = []string{eventType}
-	return nil
-}
-
 // Deliver creates the [http.Request] (depending on the webhook type), sends it
 // and records the status and response.
 func Deliver(ctx context.Context, t *webhook_model.HookTask) error {
@@ -151,12 +47,15 @@ func Deliver(ctx context.Context, t *webhook_model.HookTask) error {
 
 	t.IsDelivered = true
 
-	newRequest := webhookRequesters[w.Type]
+	handler := GetWebhookHandler(w.Type)
-	if t.PayloadVersion == 1 || newRequest == nil {
+	if handler == nil {
-		newRequest = newDefaultRequest
+		return fmt.Errorf("GetWebhookHandler %q", w.Type)
+	}
+	if t.PayloadVersion == 1 {
+		handler = defaultHandler{true}
 	}
 
-	req, body, err := newRequest(ctx, w, t)
+	req, body, err := handler.NewRequest(ctx, w, t)
 	if err != nil {
 		return fmt.Errorf("cannot create http request for webhook %s[%d %s]: %w", w.Type, w.ID, w.URL, err)
 	}

services/webhook/dingtalk.go

@@ -19,6 +19,11 @@ import (
 	dingtalk "gitea.com/lunny/dingtalk_webhook"
 )
 
+type dingtalkHandler struct{}
+
+func (dingtalkHandler) Type() webhook_module.HookType       { return webhook_module.DINGTALK }
+func (dingtalkHandler) Metadata(*webhook_model.Webhook) any { return nil }
+
 type (
 	// DingtalkPayload represents
 	DingtalkPayload dingtalk.Payload
@@ -190,6 +195,6 @@ type dingtalkConvertor struct{}
 
 var _ payloadConvertor[DingtalkPayload] = dingtalkConvertor{}
 
-func newDingtalkRequest(ctx context.Context, w *webhook_model.Webhook, t *webhook_model.HookTask) (*http.Request, []byte, error) {
+func (dingtalkHandler) NewRequest(ctx context.Context, w *webhook_model.Webhook, t *webhook_model.HookTask) (*http.Request, []byte, error) {
 	return newJSONRequest(dingtalkConvertor{}, w, t, true)
 }

services/webhook/dingtalk_test.go

@@ -236,7 +236,7 @@ func TestDingTalkJSONPayload(t *testing.T) {
 		PayloadVersion: 2,
 	}
 
-	req, reqBody, err := newDingtalkRequest(context.Background(), hook, task)
+	req, reqBody, err := dingtalkHandler{}.NewRequest(context.Background(), hook, task)
 	require.NotNil(t, req)
 	require.NotNil(t, reqBody)
 	require.NoError(t, err)

services/webhook/discord.go

@@ -22,6 +22,10 @@ import (
 	webhook_module "code.gitea.io/gitea/modules/webhook"
 )
 
+type discordHandler struct{}
+
+func (discordHandler) Type() webhook_module.HookType { return webhook_module.DISCORD }
+
 type (
 	// DiscordEmbedFooter for Embed Footer Structure.
 	DiscordEmbedFooter struct {
@@ -69,11 +73,11 @@ type (
 	}
 )
 
-// GetDiscordHook returns discord metadata
+// Metadata returns discord metadata
-func GetDiscordHook(w *webhook_model.Webhook) *DiscordMeta {
+func (discordHandler) Metadata(w *webhook_model.Webhook) any {
 	s := &DiscordMeta{}
 	if err := json.Unmarshal([]byte(w.Meta), s); err != nil {
-		log.Error("webhook.GetDiscordHook(%d): %v", w.ID, err)
+		log.Error("discordHandler.Metadata(%d): %v", w.ID, err)
 	}
 	return s
 }
@@ -260,10 +264,10 @@ type discordConvertor struct {
 
 var _ payloadConvertor[DiscordPayload] = discordConvertor{}
 
-func newDiscordRequest(ctx context.Context, w *webhook_model.Webhook, t *webhook_model.HookTask) (*http.Request, []byte, error) {
+func (discordHandler) NewRequest(ctx context.Context, w *webhook_model.Webhook, t *webhook_model.HookTask) (*http.Request, []byte, error) {
 	meta := &DiscordMeta{}
 	if err := json.Unmarshal([]byte(w.Meta), meta); err != nil {
-		return nil, nil, fmt.Errorf("newDiscordRequest meta json: %w", err)
+		return nil, nil, fmt.Errorf("discordHandler.NewRequest meta json: %w", err)
 	}
 	sc := discordConvertor{
 		Username:  meta.Username,

services/webhook/discord_test.go

@@ -275,7 +275,7 @@ func TestDiscordJSONPayload(t *testing.T) {
 		PayloadVersion: 2,
 	}
 
-	req, reqBody, err := newDiscordRequest(context.Background(), hook, task)
+	req, reqBody, err := discordHandler{}.NewRequest(context.Background(), hook, task)
 	require.NotNil(t, req)
 	require.NotNil(t, reqBody)
 	require.NoError(t, err)

services/webhook/feishu.go

@@ -15,6 +15,11 @@ import (
 	webhook_module "code.gitea.io/gitea/modules/webhook"
 )
 
+type feishuHandler struct{}
+
+func (feishuHandler) Type() webhook_module.HookType       { return webhook_module.FEISHU }
+func (feishuHandler) Metadata(*webhook_model.Webhook) any { return nil }
+
 type (
 	// FeishuPayload represents
 	FeishuPayload struct {
@@ -168,6 +173,6 @@ type feishuConvertor struct{}
 
 var _ payloadConvertor[FeishuPayload] = feishuConvertor{}
 
-func newFeishuRequest(ctx context.Context, w *webhook_model.Webhook, t *webhook_model.HookTask) (*http.Request, []byte, error) {
+func (feishuHandler) NewRequest(ctx context.Context, w *webhook_model.Webhook, t *webhook_model.HookTask) (*http.Request, []byte, error) {
 	return newJSONRequest(feishuConvertor{}, w, t, true)
 }

services/webhook/feishu_test.go

@@ -177,7 +177,7 @@ func TestFeishuJSONPayload(t *testing.T) {
 		PayloadVersion: 2,
 	}
 
-	req, reqBody, err := newFeishuRequest(context.Background(), hook, task)
+	req, reqBody, err := feishuHandler{}.NewRequest(context.Background(), hook, task)
 	require.NotNil(t, req)
 	require.NotNil(t, reqBody)
 	require.NoError(t, err)

services/webhook/general.go

@@ -314,33 +314,41 @@ func getPackagePayloadInfo(p *api.PackagePayload, linkFormatter linkFormatter, w
 // ToHook convert models.Webhook to api.Hook
 // This function is not part of the convert package to prevent an import cycle
 func ToHook(repoLink string, w *webhook_model.Webhook) (*api.Hook, error) {
+	// config is deprecated, but kept for compatibility
 	config := map[string]string{
 		"url":          w.URL,
 		"content_type": w.ContentType.Name(),
 	}
 	if w.Type == webhook_module.SLACK {
-		s := GetSlackHook(w)
+		if s, ok := (slackHandler{}.Metadata(w)).(*SlackMeta); ok {
-		config["channel"] = s.Channel
+			config["channel"] = s.Channel
-		config["username"] = s.Username
+			config["username"] = s.Username
-		config["icon_url"] = s.IconURL
+			config["icon_url"] = s.IconURL
-		config["color"] = s.Color
+			config["color"] = s.Color
+		}
 	}
 
 	authorizationHeader, err := w.HeaderAuthorization()
 	if err != nil {
 		return nil, err
 	}
+	var metadata any
+	if handler := GetWebhookHandler(w.Type); handler != nil {
+		metadata = handler.Metadata(w)
+	}
 
 	return &api.Hook{
 		ID:                  w.ID,
 		Type:                w.Type,
-		URL:                 fmt.Sprintf("%s/settings/hooks/%d", repoLink, w.ID),
+		BranchFilter:        w.BranchFilter,
-		Active:              w.IsActive,
+		URL:                 w.URL,
 		Config:              config,
 		Events:              w.EventsArray(),
 		AuthorizationHeader: authorizationHeader,
+		ContentType:         w.ContentType.Name(),
+		Metadata:            metadata,
+		Active:              w.IsActive,
 		Updated:             w.UpdatedUnix.AsTime(),
 		Created:             w.CreatedUnix.AsTime(),
-		BranchFilter:        w.BranchFilter,
 	}, nil
 }

services/webhook/gogs.go

@@ -0,0 +1,12 @@
+// Copyright 2024  The Forgejo Authors c/o Codeberg e.V.. All rights reserved.
+// SPDX-License-Identifier: MIT
+
+package webhook
+
+import (
+	webhook_module "code.gitea.io/gitea/modules/webhook"
+)
+
+type gogsHandler struct{ defaultHandler }
+
+func (gogsHandler) Type() webhook_module.HookType { return webhook_module.GOGS }

services/webhook/matrix.go

@@ -24,10 +24,14 @@ import (
 	webhook_module "code.gitea.io/gitea/modules/webhook"
 )
 
-func newMatrixRequest(ctx context.Context, w *webhook_model.Webhook, t *webhook_model.HookTask) (*http.Request, []byte, error) {
+type matrixHandler struct{}
+
+func (matrixHandler) Type() webhook_module.HookType { return webhook_module.MATRIX }
+
+func (matrixHandler) NewRequest(ctx context.Context, w *webhook_model.Webhook, t *webhook_model.HookTask) (*http.Request, []byte, error) {
 	meta := &MatrixMeta{}
 	if err := json.Unmarshal([]byte(w.Meta), meta); err != nil {
-		return nil, nil, fmt.Errorf("GetMatrixPayload meta json: %w", err)
+		return nil, nil, fmt.Errorf("matrixHandler.NewRequest meta json: %w", err)
 	}
 	mc := matrixConvertor{
 		MsgType: messageTypeText[meta.MessageType],
@@ -69,11 +73,11 @@ var messageTypeText = map[int]string{
 	2: "m.text",
 }
 
-// GetMatrixHook returns Matrix metadata
+// Metadata returns Matrix metadata
-func GetMatrixHook(w *webhook_model.Webhook) *MatrixMeta {
+func (matrixHandler) Metadata(w *webhook_model.Webhook) any {
 	s := &MatrixMeta{}
 	if err := json.Unmarshal([]byte(w.Meta), s); err != nil {
-		log.Error("webhook.GetMatrixHook(%d): %v", w.ID, err)
+		log.Error("matrixHandler.Metadata(%d): %v", w.ID, err)
 	}
 	return s
 }

services/webhook/matrix_test.go

@@ -211,7 +211,7 @@ func TestMatrixJSONPayload(t *testing.T) {
 		PayloadVersion: 2,
 	}
 
-	req, reqBody, err := newMatrixRequest(context.Background(), hook, task)
+	req, reqBody, err := matrixHandler{}.NewRequest(context.Background(), hook, task)
 	require.NotNil(t, req)
 	require.NotNil(t, reqBody)
 	require.NoError(t, err)

services/webhook/msteams.go

@@ -17,6 +17,11 @@ import (
 	webhook_module "code.gitea.io/gitea/modules/webhook"
 )
 
+type msteamsHandler struct{}
+
+func (msteamsHandler) Type() webhook_module.HookType       { return webhook_module.MSTEAMS }
+func (msteamsHandler) Metadata(*webhook_model.Webhook) any { return nil }
+
 type (
 	// MSTeamsFact for Fact Structure
 	MSTeamsFact struct {
@@ -347,6 +352,6 @@ type msteamsConvertor struct{}
 
 var _ payloadConvertor[MSTeamsPayload] = msteamsConvertor{}
 
-func newMSTeamsRequest(ctx context.Context, w *webhook_model.Webhook, t *webhook_model.HookTask) (*http.Request, []byte, error) {
+func (msteamsHandler) NewRequest(ctx context.Context, w *webhook_model.Webhook, t *webhook_model.HookTask) (*http.Request, []byte, error) {
 	return newJSONRequest(msteamsConvertor{}, w, t, true)
 }

services/webhook/msteams_test.go

@@ -439,7 +439,7 @@ func TestMSTeamsJSONPayload(t *testing.T) {
 		PayloadVersion: 2,
 	}
 
-	req, reqBody, err := newMSTeamsRequest(context.Background(), hook, task)
+	req, reqBody, err := msteamsHandler{}.NewRequest(context.Background(), hook, task)
 	require.NotNil(t, req)
 	require.NotNil(t, reqBody)
 	require.NoError(t, err)

services/webhook/packagist.go

@@ -11,8 +11,13 @@ import (
 	webhook_model "code.gitea.io/gitea/models/webhook"
 	"code.gitea.io/gitea/modules/json"
 	"code.gitea.io/gitea/modules/log"
+	webhook_module "code.gitea.io/gitea/modules/webhook"
 )
 
+type packagistHandler struct{}
+
+func (packagistHandler) Type() webhook_module.HookType { return webhook_module.PACKAGIST }
+
 type (
 	// PackagistPayload represents a packagist payload
 	// as expected by https://packagist.org/about
@@ -30,20 +35,20 @@ type (
 	}
 )
 
-// GetPackagistHook returns packagist metadata
+// Metadata returns packagist metadata
-func GetPackagistHook(w *webhook_model.Webhook) *PackagistMeta {
+func (packagistHandler) Metadata(w *webhook_model.Webhook) any {
 	s := &PackagistMeta{}
 	if err := json.Unmarshal([]byte(w.Meta), s); err != nil {
-		log.Error("webhook.GetPackagistHook(%d): %v", w.ID, err)
+		log.Error("packagistHandler.Metadata(%d): %v", w.ID, err)
 	}
 	return s
 }
 
 // newPackagistRequest creates a request with the [PackagistPayload] for packagist (same payload for all events).
-func newPackagistRequest(ctx context.Context, w *webhook_model.Webhook, t *webhook_model.HookTask) (*http.Request, []byte, error) {
+func (packagistHandler) NewRequest(ctx context.Context, w *webhook_model.Webhook, t *webhook_model.HookTask) (*http.Request, []byte, error) {
 	meta := &PackagistMeta{}
 	if err := json.Unmarshal([]byte(w.Meta), meta); err != nil {
-		return nil, nil, fmt.Errorf("newpackagistRequest meta json: %w", err)
+		return nil, nil, fmt.Errorf("packagistHandler.NewRequest meta json: %w", err)
 	}
 
 	payload := PackagistPayload{

services/webhook/packagist_test.go

@@ -53,7 +53,7 @@ func TestPackagistPayload(t *testing.T) {
 				PayloadVersion: 2,
 			}
 
-			req, reqBody, err := newPackagistRequest(context.Background(), hook, task)
+			req, reqBody, err := packagistHandler{}.NewRequest(context.Background(), hook, task)
 			require.NotNil(t, req)
 			require.NotNil(t, reqBody)
 			require.NoError(t, err)

services/webhook/slack.go

@@ -19,6 +19,10 @@ import (
 	webhook_module "code.gitea.io/gitea/modules/webhook"
 )
 
+type slackHandler struct{}
+
+func (slackHandler) Type() webhook_module.HookType { return webhook_module.SLACK }
+
 // SlackMeta contains the slack metadata
 type SlackMeta struct {
 	Channel  string `json:"channel"`
@@ -27,11 +31,11 @@ type SlackMeta struct {
 	Color    string `json:"color"`
 }
 
-// GetSlackHook returns slack metadata
+// Metadata returns slack metadata
-func GetSlackHook(w *webhook_model.Webhook) *SlackMeta {
+func (slackHandler) Metadata(w *webhook_model.Webhook) any {
 	s := &SlackMeta{}
 	if err := json.Unmarshal([]byte(w.Meta), s); err != nil {
-		log.Error("webhook.GetSlackHook(%d): %v", w.ID, err)
+		log.Error("slackHandler.Metadata(%d): %v", w.ID, err)
 	}
 	return s
 }
@@ -283,10 +287,10 @@ type slackConvertor struct {
 
 var _ payloadConvertor[SlackPayload] = slackConvertor{}
 
-func newSlackRequest(ctx context.Context, w *webhook_model.Webhook, t *webhook_model.HookTask) (*http.Request, []byte, error) {
+func (slackHandler) NewRequest(ctx context.Context, w *webhook_model.Webhook, t *webhook_model.HookTask) (*http.Request, []byte, error) {
 	meta := &SlackMeta{}
 	if err := json.Unmarshal([]byte(w.Meta), meta); err != nil {
-		return nil, nil, fmt.Errorf("newSlackRequest meta json: %w", err)
+		return nil, nil, fmt.Errorf("slackHandler.NewRequest meta json: %w", err)
 	}
 	sc := slackConvertor{
 		Channel:  meta.Channel,

services/webhook/slack_test.go

@@ -178,7 +178,7 @@ func TestSlackJSONPayload(t *testing.T) {
 		PayloadVersion: 2,
 	}
 
-	req, reqBody, err := newSlackRequest(context.Background(), hook, task)
+	req, reqBody, err := slackHandler{}.NewRequest(context.Background(), hook, task)
 	require.NotNil(t, req)
 	require.NotNil(t, reqBody)
 	require.NoError(t, err)
@@ -211,3 +211,54 @@ func TestIsValidSlackChannel(t *testing.T) {
 		assert.Equal(t, v.expected, IsValidSlackChannel(v.channelName))
 	}
 }
+
+func TestSlackMetadata(t *testing.T) {
+	w := &webhook_model.Webhook{
+		Meta: `{"channel": "foo", "username": "username", "color": "blue"}`,
+	}
+	slackHook := slackHandler{}.Metadata(w)
+	assert.Equal(t, *slackHook.(*SlackMeta), SlackMeta{
+		Channel:  "foo",
+		Username: "username",
+		Color:    "blue",
+	})
+}
+
+func TestSlackToHook(t *testing.T) {
+	w := &webhook_model.Webhook{
+		Type:        webhook_module.SLACK,
+		ContentType: webhook_model.ContentTypeJSON,
+		URL:         "https://slack.example.com",
+		Meta:        `{"channel": "foo", "username": "username", "color": "blue"}`,
+		HookEvent: &webhook_module.HookEvent{
+			PushOnly:       true,
+			SendEverything: false,
+			ChooseEvents:   false,
+			HookEvents: webhook_module.HookEvents{
+				Create:      false,
+				Push:        true,
+				PullRequest: false,
+			},
+		},
+	}
+	h, err := ToHook("repoLink", w)
+	assert.NoError(t, err)
+
+	assert.Equal(t, h.Config, map[string]string{
+		"url":          "https://slack.example.com",
+		"content_type": "json",
+
+		"channel":  "foo",
+		"color":    "blue",
+		"icon_url": "",
+		"username": "username",
+	})
+	assert.Equal(t, h.URL, "https://slack.example.com")
+	assert.Equal(t, h.ContentType, "json")
+	assert.Equal(t, h.Metadata, &SlackMeta{
+		Channel:  "foo",
+		Username: "username",
+		IconURL:  "",
+		Color:    "blue",
+	})
+}

services/webhook/telegram.go

@@ -17,6 +17,10 @@ import (
 	webhook_module "code.gitea.io/gitea/modules/webhook"
 )
 
+type telegramHandler struct{}
+
+func (telegramHandler) Type() webhook_module.HookType { return webhook_module.TELEGRAM }
+
 type (
 	// TelegramPayload represents
 	TelegramPayload struct {
@@ -33,11 +37,11 @@ type (
 	}
 )
 
-// GetTelegramHook returns telegram metadata
+// Metadata returns telegram metadata
-func GetTelegramHook(w *webhook_model.Webhook) *TelegramMeta {
+func (telegramHandler) Metadata(w *webhook_model.Webhook) any {
 	s := &TelegramMeta{}
 	if err := json.Unmarshal([]byte(w.Meta), s); err != nil {
-		log.Error("webhook.GetTelegramHook(%d): %v", w.ID, err)
+		log.Error("telegramHandler.Metadata(%d): %v", w.ID, err)
 	}
 	return s
 }
@@ -189,6 +193,6 @@ type telegramConvertor struct{}
 
 var _ payloadConvertor[TelegramPayload] = telegramConvertor{}
 
-func newTelegramRequest(ctx context.Context, w *webhook_model.Webhook, t *webhook_model.HookTask) (*http.Request, []byte, error) {
+func (telegramHandler) NewRequest(ctx context.Context, w *webhook_model.Webhook, t *webhook_model.HookTask) (*http.Request, []byte, error) {
 	return newJSONRequest(telegramConvertor{}, w, t, true)
 }

services/webhook/telegram_test.go

@@ -177,7 +177,7 @@ func TestTelegramJSONPayload(t *testing.T) {
 		PayloadVersion: 2,
 	}
 
-	req, reqBody, err := newTelegramRequest(context.Background(), hook, task)
+	req, reqBody, err := telegramHandler{}.NewRequest(context.Background(), hook, task)
 	require.NotNil(t, req)
 	require.NotNil(t, reqBody)
 	require.NoError(t, err)

services/webhook/webhook.go

@@ -27,25 +27,46 @@ import (
 	"github.com/gobwas/glob"
 )
 
-var webhookRequesters = map[webhook_module.HookType]func(context.Context, *webhook_model.Webhook, *webhook_model.HookTask) (req *http.Request, body []byte, err error){
+type Handler interface {
-	webhook_module.SLACK:      newSlackRequest,
+	Type() webhook_module.HookType
-	webhook_module.DISCORD:    newDiscordRequest,
+	NewRequest(context.Context, *webhook_model.Webhook, *webhook_model.HookTask) (req *http.Request, body []byte, err error)
-	webhook_module.DINGTALK:   newDingtalkRequest,
+	Metadata(*webhook_model.Webhook) any
-	webhook_module.TELEGRAM:   newTelegramRequest,
+}
-	webhook_module.MSTEAMS:    newMSTeamsRequest,
+
-	webhook_module.FEISHU:     newFeishuRequest,
+var webhookHandlers = []Handler{
-	webhook_module.MATRIX:     newMatrixRequest,
+	defaultHandler{true},
-	webhook_module.WECHATWORK: newWechatworkRequest,
+	defaultHandler{false},
-	webhook_module.PACKAGIST:  newPackagistRequest,
+	gogsHandler{},
+
+	slackHandler{},
+	discordHandler{},
+	dingtalkHandler{},
+	telegramHandler{},
+	msteamsHandler{},
+	feishuHandler{},
+	matrixHandler{},
+	wechatworkHandler{},
+	packagistHandler{},
+}
+
+// GetWebhookHandler return the handler for a given webhook type (nil if not found)
+func GetWebhookHandler(name webhook_module.HookType) Handler {
+	for _, h := range webhookHandlers {
+		if h.Type() == name {
+			return h
+		}
+	}
+	return nil
+}
+
+// List provides a list of the supported webhooks
+func List() []Handler {
+	return webhookHandlers
 }
 
 // IsValidHookTaskType returns true if a webhook registered
 func IsValidHookTaskType(name string) bool {
-	if name == webhook_module.FORGEJO || name == webhook_module.GITEA || name == webhook_module.GOGS {
+	return GetWebhookHandler(name) != nil
-		return true
-	}
-	_, ok := webhookRequesters[name]
-	return ok
 }
 
 // hookQueue is a global queue of web hooks

services/webhook/webhook_test.go

@@ -16,18 +16,6 @@ import (
 	"github.com/stretchr/testify/assert"
 )
 
-func TestWebhook_GetSlackHook(t *testing.T) {
-	w := &webhook_model.Webhook{
-		Meta: `{"channel": "foo", "username": "username", "color": "blue"}`,
-	}
-	slackHook := GetSlackHook(w)
-	assert.Equal(t, *slackHook, SlackMeta{
-		Channel:  "foo",
-		Username: "username",
-		Color:    "blue",
-	})
-}
-
 func activateWebhook(t *testing.T, hookID int64) {
 	t.Helper()
 	updated, err := db.GetEngine(db.DefaultContext).ID(hookID).Cols("is_active").Update(webhook_model.Webhook{IsActive: true})

services/webhook/wechatwork.go

@@ -15,6 +15,11 @@ import (
 	webhook_module "code.gitea.io/gitea/modules/webhook"
 )
 
+type wechatworkHandler struct{}
+
+func (wechatworkHandler) Type() webhook_module.HookType       { return webhook_module.WECHATWORK }
+func (wechatworkHandler) Metadata(*webhook_model.Webhook) any { return nil }
+
 type (
 	// WechatworkPayload represents
 	WechatworkPayload struct {
@@ -177,6 +182,6 @@ type wechatworkConvertor struct{}
 
 var _ payloadConvertor[WechatworkPayload] = wechatworkConvertor{}
 
-func newWechatworkRequest(ctx context.Context, w *webhook_model.Webhook, t *webhook_model.HookTask) (*http.Request, []byte, error) {
+func (wechatworkHandler) NewRequest(ctx context.Context, w *webhook_model.Webhook, t *webhook_model.HookTask) (*http.Request, []byte, error) {
 	return newJSONRequest(wechatworkConvertor{}, w, t, true)
 }

templates/repo/settings/webhook/discord.tmpl

@@ -8,11 +8,11 @@
 		</div>
 		<div class="field">
 			<label for="username">{{ctx.Locale.Tr "repo.settings.discord_username"}}</label>
-			<input id="username" name="username" value="{{.DiscordHook.Username}}" placeholder="Forgejo">
+			<input id="username" name="username" value="{{.HookMetadata.Username}}" placeholder="Forgejo">
 		</div>
 		<div class="field">
 			<label for="icon_url">{{ctx.Locale.Tr "repo.settings.discord_icon_url"}}</label>
-			<input id="icon_url" name="icon_url" value="{{.DiscordHook.IconURL}}" placeholder="https://example.com/assets/img/logo.svg">
+			<input id="icon_url" name="icon_url" value="{{.HookMetadata.IconURL}}" placeholder="https://example.com/assets/img/logo.svg">
 		</div>
 		{{template "repo/settings/webhook/settings" .}}
 	</form>

templates/repo/settings/webhook/matrix.tmpl

@@ -4,16 +4,16 @@
 		{{.CsrfTokenHtml}}
 		<div class="required field {{if .Err_HomeserverURL}}error{{end}}">
 			<label for="homeserver_url">{{ctx.Locale.Tr "repo.settings.matrix.homeserver_url"}}</label>
-			<input id="homeserver_url" name="homeserver_url" type="url" value="{{.MatrixHook.HomeserverURL}}" autofocus required>
+			<input id="homeserver_url" name="homeserver_url" type="url" value="{{.HookMetadata.HomeserverURL}}" autofocus required>
 		</div>
 		<div class="required field {{if .Err_Room}}error{{end}}">
 			<label for="room_id">{{ctx.Locale.Tr "repo.settings.matrix.room_id"}}</label>
-			<input id="room_id" name="room_id" type="text" value="{{.MatrixHook.Room}}" required>
+			<input id="room_id" name="room_id" type="text" value="{{.HookMetadata.Room}}" required>
 		</div>
 		<div class="field">
 			<label>{{ctx.Locale.Tr "repo.settings.matrix.message_type"}}</label>
 				<div class="ui selection dropdown">
-				<input type="hidden" id="message_type" name="message_type" value="{{if .MatrixHook.MessageType}}{{.MatrixHook.MessageType}}{{else}}1{{end}}">
+				<input type="hidden" id="message_type" name="message_type" value="{{if .HookMetadata.MessageType}}{{.HookMetadata.MessageType}}{{else}}1{{end}}">
 				<div class="default text"></div>
 				{{svg "octicon-triangle-down" 14 "dropdown icon"}}
 				<div class="menu">

templates/repo/settings/webhook/packagist.tmpl

@@ -4,15 +4,15 @@
 		{{.CsrfTokenHtml}}
 		<div class="required field {{if .Err_Username}}error{{end}}">
 			<label for="username">{{ctx.Locale.Tr "repo.settings.packagist_username"}}</label>
-			<input id="username" name="username" value="{{.PackagistHook.Username}}" placeholder="Forgejo" autofocus required>
+			<input id="username" name="username" value="{{.HookMetadata.Username}}" placeholder="Forgejo" autofocus required>
 		</div>
 		<div class="required field {{if .Err_APIToken}}error{{end}}">
 			<label for="api_token">{{ctx.Locale.Tr "repo.settings.packagist_api_token"}}</label>
-			<input id="api_token" name="api_token" value="{{.PackagistHook.APIToken}}" placeholder="X5F_tZ-Wj3c1vqaU2Rky" required>
+			<input id="api_token" name="api_token" value="{{.HookMetadata.APIToken}}" placeholder="X5F_tZ-Wj3c1vqaU2Rky" required>
 		</div>
 		<div class="required field {{if .Err_PackageURL}}error{{end}}">
 			<label for="package_url">{{ctx.Locale.Tr "repo.settings.packagist_package_url"}}</label>
-			<input id="package_url" name="package_url" value="{{.PackagistHook.PackageURL}}" placeholder="https://packagist.org/packages/laravel/framework" required>
+			<input id="package_url" name="package_url" value="{{.HookMetadata.PackageURL}}" placeholder="https://packagist.org/packages/laravel/framework" required>
 		</div>
 		{{template "repo/settings/webhook/settings" .}}
 	</form>

templates/repo/settings/webhook/slack.tmpl

@@ -8,20 +8,20 @@
 		</div>
 		<div class="required field {{if .Err_Channel}}error{{end}}">
 			<label for="channel">{{ctx.Locale.Tr "repo.settings.slack_channel"}}</label>
-			<input id="channel" name="channel" value="{{.SlackHook.Channel}}" placeholder="#general" required>
+			<input id="channel" name="channel" value="{{.HookMetadata.Channel}}" placeholder="#general" required>
 		</div>
 
 		<div class="field">
 			<label for="username">{{ctx.Locale.Tr "repo.settings.slack_username"}}</label>
-			<input id="username" name="username" value="{{.SlackHook.Username}}" placeholder="Forgejo">
+			<input id="username" name="username" value="{{.HookMetadata.Username}}" placeholder="Forgejo">
 		</div>
 		<div class="field">
 			<label for="icon_url">{{ctx.Locale.Tr "repo.settings.slack_icon_url"}}</label>
-			<input id="icon_url" name="icon_url" value="{{.SlackHook.IconURL}}" placeholder="https://example.com/img/favicon.png">
+			<input id="icon_url" name="icon_url" value="{{.HookMetadata.IconURL}}" placeholder="https://example.com/img/favicon.png">
 		</div>
 		<div class="field">
 			<label for="color">{{ctx.Locale.Tr "repo.settings.slack_color"}}</label>
-			<input id="color" name="color" value="{{.SlackHook.Color}}" placeholder="#dd4b39, good, warning, danger">
+			<input id="color" name="color" value="{{.HookMetadata.Color}}" placeholder="#dd4b39, good, warning, danger">
 		</div>
 		{{template "repo/settings/webhook/settings" .}}
 	</form>

templates/repo/settings/webhook/telegram.tmpl

@@ -4,15 +4,15 @@
 		{{.CsrfTokenHtml}}
 		<div class="required field {{if .Err_BotToken}}error{{end}}">
 			<label for="bot_token">{{ctx.Locale.Tr "repo.settings.bot_token"}}</label>
-			<input id="bot_token" name="bot_token" type="text" value="{{.TelegramHook.BotToken}}" autofocus required>
+			<input id="bot_token" name="bot_token" type="text" value="{{.HookMetadata.BotToken}}" autofocus required>
 		</div>
 		<div class="required field {{if .Err_ChatID}}error{{end}}">
 			<label for="chat_id">{{ctx.Locale.Tr "repo.settings.chat_id"}}</label>
-			<input id="chat_id" name="chat_id" type="text" value="{{.TelegramHook.ChatID}}" required>
+			<input id="chat_id" name="chat_id" type="text" value="{{.HookMetadata.ChatID}}" required>
 		</div>
 		<div class="field {{if .Err_ThreadID}}error{{end}}">
 			<label for="thread_id">{{ctx.Locale.Tr "repo.settings.thread_id"}}</label>
-			<input id="thread_id" name="thread_id" type="text" value="{{.TelegramHook.ThreadID}}">
+			<input id="thread_id" name="thread_id" type="text" value="{{.HookMetadata.ThreadID}}">
 		</div>
 		{{template "repo/settings/webhook/settings" .}}
 	</form>

templates/swagger/v1_json.tmpl

@@ -20952,12 +20952,17 @@
           "x-go-name": "BranchFilter"
         },
         "config": {
+          "description": "Deprecated: use Metadata instead",
           "type": "object",
           "additionalProperties": {
             "type": "string"
           },
           "x-go-name": "Config"
         },
+        "content_type": {
+          "type": "string",
+          "x-go-name": "ContentType"
+        },
         "created_at": {
           "type": "string",
           "format": "date-time",
@@ -20975,6 +20980,9 @@
           "format": "int64",
           "x-go-name": "ID"
         },
+        "metadata": {
+          "x-go-name": "Metadata"
+        },
         "type": {
           "type": "string",
           "x-go-name": "Type"
@@ -20983,6 +20991,10 @@
           "type": "string",
           "format": "date-time",
           "x-go-name": "Updated"
+        },
+        "url": {
+          "type": "string",
+          "x-go-name": "URL"
         }
       },
       "x-go-package": "code.gitea.io/gitea/modules/structs"

tests/integration/api_repo_hook_test.go

@@ -40,5 +40,6 @@ func TestAPICreateHook(t *testing.T) {
 	var apiHook *api.Hook
 	DecodeJSON(t, resp, &apiHook)
 	assert.Equal(t, "http://example.com/", apiHook.Config["url"])
+	assert.Equal(t, "http://example.com/", apiHook.URL)
 	assert.Equal(t, "Bearer s3cr3t", apiHook.AuthorizationHeader)
 }

tests/integration/repo_webhook_test.go

@@ -11,6 +11,7 @@ import (
 	"testing"
 
 	gitea_context "code.gitea.io/gitea/services/context"
+	"code.gitea.io/gitea/services/webhook"
 	"code.gitea.io/gitea/tests"
 
 	"github.com/PuerkitoBio/goquery"
@@ -21,7 +22,7 @@ func TestNewWebHookLink(t *testing.T) {
 	defer tests.PrepareTestEnv(t)()
 	session := loginUser(t, "user2")
 
-	webhooksLen := 12
+	webhooksLen := len(webhook.List())
 	baseurl := "/user2/repo1/settings/hooks"
 	tests := []string{
 		// webhook list page