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-rw-r--r--src/api/routes/webhooks/#webhook_id/#token/index.ts215
-rw-r--r--src/api/routes/webhooks/#webhook_id/index.ts32
2 files changed, 247 insertions, 0 deletions
diff --git a/src/api/routes/webhooks/#webhook_id/#token/index.ts b/src/api/routes/webhooks/#webhook_id/#token/index.ts
new file mode 100644

index 00000000..b47502b4 --- /dev/null +++ b/src/api/routes/webhooks/#webhook_id/#token/index.ts
@@ -0,0 +1,215 @@ +import { handleMessage, route } from "@spacebar/api"; +import { + Attachment, + Config, + DiscordApiErrors, + FieldErrors, + Message, + Webhook, + WebhookExecuteSchema, + uploadFile, +} from "@spacebar/util"; +import { Request, Response, Router } from "express"; +import { HTTPError } from "lambert-server"; +import multer from "multer"; +import { MoreThan } from "typeorm"; +const router = Router(); + +router.get( + "/", + route({ + description: "Returns a webhook object for the given id.", + responses: { + 200: { + body: "APIWebhook", + }, + 404: {}, + }, + }), + async (req: Request, res: Response) => { + const { webhook_id, token } = req.params; + const webhook = await Webhook.findOne({ + where: { + id: webhook_id, + }, + relations: ["channel", "guild", "application"], + }); + + if (!webhook) { + throw DiscordApiErrors.UNKNOWN_WEBHOOK; + } + + if (webhook.token !== token) { + throw DiscordApiErrors.INVALID_WEBHOOK_TOKEN_PROVIDED; + } + + return res.json(webhook); + }, +); + +// TODO: config max upload size +const messageUpload = multer({ + limits: { + fileSize: Config.get().limits.message.maxAttachmentSize, + fields: 10, + // files: 1 + }, + storage: multer.memoryStorage(), +}); // max upload 50 mb + +// https://discord.com/developers/docs/resources/webhook#execute-webhook +router.post( + "/", + messageUpload.any(), + (req, res, next) => { + if (req.body.payload_json) { + req.body = JSON.parse(req.body.payload_json); + } + + next(); + }, + route({ + requestBody: "WebhookExecuteSchema", + query: { + wait: { + type: "boolean", + required: false, + description: + "waits for server confirmation of message send before response, and returns the created message body", + }, + thread_id: { + type: "string", + required: false, + description: + "Send a message to the specified thread within a webhook's channel.", + }, + }, + responses: { + 204: {}, + 400: { + body: "APIErrorResponse", + }, + 404: {}, + }, + }), + async (req: Request, res: Response) => { + const { webhook_id, token } = req.params; + const body = req.body as WebhookExecuteSchema; + const attachments: Attachment[] = []; + + // ensure one of content, embeds, components, or file is present + if ( + !body.content && + !body.embeds && + !body.components && + !body.file && + !body.attachments + ) { + throw DiscordApiErrors.CANNOT_SEND_EMPTY_MESSAGE; + } + + // block username from containing certain words + // TODO: configurable additions + const blockedContains = ["discord", "clyde", "spacebar"]; + for (const word of blockedContains) { + if (body.username?.toLowerCase().includes(word)) { + return res.status(400).json({ + username: [`Username cannot contain "${word}"`], + }); + } + } + + // block username from being certain words + // TODO: configurable additions + const blockedEquals = ["everyone", "here"]; + for (const word of blockedEquals) { + if (body.username?.toLowerCase() === word) { + return res.status(400).json({ + username: [`Username cannot be "${word}"`], + }); + } + } + + const webhook = await Webhook.findOne({ + where: { + id: webhook_id, + }, + relations: ["channel", "guild", "application"], + }); + + if (!webhook) { + throw DiscordApiErrors.UNKNOWN_WEBHOOK; + } + + if (!webhook.channel.isWritable()) { + throw new HTTPError( + `Cannot send messages to channel of type ${webhook.channel.type}`, + 400, + ); + } + + if (webhook.token !== token) { + throw DiscordApiErrors.INVALID_WEBHOOK_TOKEN_PROVIDED; + } + + // TODO: creating messages by users checks if the user can bypass rate limits, we cant do that on webhooks, but maybe we could check the application if there is one? + const limits = Config.get().limits; + if (limits.absoluteRate.register.enabled) { + const count = await Message.count({ + where: { + channel_id: webhook.channel_id, + timestamp: MoreThan( + new Date( + Date.now() - limits.absoluteRate.sendMessage.window, + ), + ), + }, + }); + + if (count >= limits.absoluteRate.sendMessage.limit) + throw FieldErrors({ + channel_id: { + code: "TOO_MANY_MESSAGES", + message: req.t("common:toomany.MESSAGE"), + }, + }); + } + + const files = (req.files as Express.Multer.File[]) ?? []; + for (const currFile of files) { + try { + const file = await uploadFile( + `/attachments/${webhook.channel.id}`, + currFile, + ); + attachments.push( + Attachment.create({ ...file, proxy_url: file.url }), + ); + } catch (error) { + return res.status(400).json({ message: error?.toString() }); + } + } + + // TODO: set username and avatar based on body + + const embeds = body.embeds || []; + const message = await handleMessage({ + ...body, + type: 0, + pinned: false, + webhook_id: webhook.id, + application_id: webhook.application?.id, + embeds, + channel_id: webhook.channel_id, + attachments, + timestamp: new Date(), + }); + // eslint-disable-next-line @typescript-eslint/ban-ts-comment + //@ts-ignore dont care2 + message.edited_timestamp = null; + + webhook.channel.last_message_id = message.id; + }, +); + +export default router; diff --git a/src/api/routes/webhooks/#webhook_id/index.ts b/src/api/routes/webhooks/#webhook_id/index.ts new file mode 100644
index 00000000..cc8c0386 --- /dev/null +++ b/src/api/routes/webhooks/#webhook_id/index.ts
@@ -0,0 +1,32 @@ +import { route } from "@spacebar/api"; +import { Webhook } from "@spacebar/util"; +import { Request, Response, Router } from "express"; +const router = Router(); + +router.get( + "/", + route({ + description: "Returns a webhook object for the given id.", + responses: { + 200: { + body: "APIWebhook", + }, + 404: {}, + }, + }), + async (req: Request, res: Response) => { + const { webhook_id } = req.params; + const webhook = await Webhook.findOneOrFail({ + where: { id: webhook_id }, + relations: [ + "user", + "guild", + "source_guild", + "application" /*"source_channel"*/, + ], + }); + return res.json(webhook); + }, +); + +export default router;