Skip to content

fix: securing with webhook signature #16

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Open
wants to merge 4 commits into
base: main
Choose a base branch
from
Open

fix: securing with webhook signature #16

Changes from 1 commit
Commits
Show all changes
4 commits
Select commit Hold shift + click to select a range
69db6f7
fix: securing with webhook signature
SGFGOV May 14, 2025
f9792f2
fix: securing with webhook signature
SGFGOV May 14, 2025
188cf25
fix: typo
SGFGOV May 14, 2025
eff113f
fix: nitpick
SGFGOV May 14, 2025
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
28 changes: 22 additions & 6 deletions plugins/webhooks/src/modules/webhooks/service.ts
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -2,6 +2,8 @@ import { MedusaError, MedusaService } from "@medusajs/framework/utils";
import { Webhook } from "./models/webhooks";
import { LoaderOptions, Logger } from "@medusajs/framework/types";
import { WebhookModel } from "../../common";
import Crypto from "node:crypto";


export type WebhookSendResponse = {
event_type: string;
Expand All @@ -23,32 +25,46 @@ type ConstructorParams = {
logger: Logger;
};

type WebhookOptions = LoaderOptions & { subscriptions: string[] & { secretKey: string } };
Copy link

Copilot AI May 14, 2025

Choose a reason for hiding this comment

The reason will be displayed to describe this comment to others. Learn more.

The type definition for WebhookOptions seems off; combining subscriptions as string[] with an embedded secretKey is confusing. Consider separating secretKey from subscriptions, e.g., 'LoaderOptions & { secretKey: string, subscriptions: string[] }'.

Copilot uses AI. Check for mistakes.
Copy link
Contributor Author

@SGFGOV SGFGOV May 14, 2025

Choose a reason for hiding this comment

The reason will be displayed to describe this comment to others. Learn more.

old



class WebhooksService extends MedusaService({
Webhook,
}) {
public subscriptions: string[] = [];
private logger: Logger;

private options: WebhookOptions;
constructor(
container: ConstructorParams,
options: LoaderOptions & { subscriptions: string[] }
options: WebhookOptions
) {
super(container, options);
this.options = options;
this.subscriptions = options.subscriptions;
this.logger = container.logger;
}

createHmacSignature(payload: Record<string, unknown>) {
return Crypto
.createHmac("sha256", this.options.secretKey)
.update(JSON.stringify(payload))
.digest("hex");
}

public async send(
subscription: WebhookModel,
payload: any
payload: Record<string, unknown>
): Promise<WebhookSendResponse> {
const { event_type, target_url } = subscription;



try {
const response = await fetch(target_url, {
method: "POST",
headers: {
"Content-Type": "application/json",
"x-webhook-signature": this.createHmacSignature(payload),
},
body: JSON.stringify(payload),
});
Expand All @@ -69,8 +85,8 @@ class WebhooksService extends MedusaService({
}
}

public async sendWebhooksEvents(webhooks: WebhookModel[], payload: any) {
console.log("webhooks", webhooks);
public async sendWebhooksEvents(webhooks: WebhookModel[], payload: Record<string, unknown>) {

const results = (await Promise.allSettled(
webhooks?.map((webhook) => this.send(webhook, payload))
)) as PromiseFulfilledResult<WebhookSendResponse>[];
Expand Down Expand Up @@ -124,7 +140,7 @@ class WebhooksService extends MedusaService({
private onSendError(
err: WebhookSendResponseError,
subscription: WebhookModel,
payload: any
payload: Record<string, unknown>
): WebhookSendResponse {
this.logger.error(
"Error sending webhook",
Expand Down