diff --git a/util/src/index.ts b/util/src/index.ts
index ae0f7e54..52117302 100644
--- a/util/src/index.ts
+++ b/util/src/index.ts
@@ -4,3 +4,4 @@ export * from "./util/index";
export * from "./interfaces/index";
export * from "./entities/index";
export * from "./dtos/index";
+export * from "./schemas";
\ No newline at end of file
diff --git a/util/src/schemas/Validator.ts b/util/src/schemas/Validator.ts
new file mode 100644
index 00000000..b71bf6a1
--- /dev/null
+++ b/util/src/schemas/Validator.ts
@@ -0,0 +1,54 @@
+import Ajv from "ajv";
+import addFormats from "ajv-formats";
+import fs from "fs";
+import path from "path";
+
+const SchemaPath = path.join(__dirname, "..", "..", "..", "assets", "schemas.json");
+const schemas = JSON.parse(fs.readFileSync(SchemaPath, { encoding: "utf8" }));
+
+export const ajv = new Ajv({
+ allErrors: true,
+ parseDate: true,
+ allowDate: true,
+ schemas,
+ coerceTypes: true,
+ messages: true,
+ strict: true,
+ strictRequired: true
+});
+
+addFormats(ajv);
+
+export function validateSchema<G>(schema: string, data: G): G {
+ const valid = ajv.validate(schema, normalizeBody(data));
+ if (!valid) throw ajv.errors;
+ return data;
+}
+
+// Normalizer is introduced to workaround https://github.com/ajv-validator/ajv/issues/1287
+// this removes null values as ajv doesn't treat them as undefined
+// normalizeBody allows to handle circular structures without issues
+// taken from https://github.com/serverless/serverless/blob/master/lib/classes/ConfigSchemaHandler/index.js#L30 (MIT license)
+export const normalizeBody = (body: any = {}) => {
+ const normalizedObjectsSet = new WeakSet();
+ const normalizeObject = (object: any) => {
+ if (normalizedObjectsSet.has(object)) return;
+ normalizedObjectsSet.add(object);
+ if (Array.isArray(object)) {
+ for (const [index, value] of object.entries()) {
+ if (typeof value === "object") normalizeObject(value);
+ }
+ } else {
+ for (const [key, value] of Object.entries(object)) {
+ if (value == null) {
+ if (key === "icon" || key === "avatar" || key === "banner" || key === "splash" || key === "discovery_splash") continue;
+ delete object[key];
+ } else if (typeof value === "object") {
+ normalizeObject(value);
+ }
+ }
+ }
+ };
+ normalizeObject(body);
+ return body;
+};
\ No newline at end of file
diff --git a/util/src/schemas/index.ts b/util/src/schemas/index.ts
new file mode 100644
index 00000000..662152dc
--- /dev/null
+++ b/util/src/schemas/index.ts
@@ -0,0 +1,2 @@
+export * from "./Validator";
+export * from "./voice";
\ No newline at end of file
diff --git a/util/src/schemas/voice.ts b/util/src/schemas/voice.ts
new file mode 100644
index 00000000..61c12f92
--- /dev/null
+++ b/util/src/schemas/voice.ts
@@ -0,0 +1,69 @@
+export interface VoiceVideoSchema {
+ audio_ssrc: number;
+ video_ssrc: number;
+ rtx_ssrc?: number;
+ user_id?: string;
+ streams?: {
+ type: "video" | "audio";
+ rid: string;
+ ssrc: number;
+ active: boolean;
+ quality: number;
+ rtx_ssrc: number;
+ max_bitrate: number;
+ max_framerate: number;
+ max_resolution: { type: string; width: number; height: number; };
+ }[];
+}
+
+export const VoiceStateUpdateSchema = {
+ $guild_id: String,
+ $channel_id: String,
+ self_mute: Boolean,
+ self_deaf: Boolean,
+ self_video: Boolean
+};
+
+//TODO need more testing when community guild and voice stage channel are working
+export interface VoiceStateUpdateSchema {
+ channel_id: string;
+ guild_id?: string;
+ suppress?: boolean;
+ request_to_speak_timestamp?: Date;
+ self_mute?: boolean;
+ self_deaf?: boolean;
+ self_video?: boolean;
+}
+
+export interface VoiceIdentifySchema {
+ server_id: string;
+ user_id: string;
+ session_id: string;
+ token: string;
+ video?: boolean;
+ streams?: {
+ type: string;
+ rid: string;
+ quality: number;
+ }[];
+}
+
+export interface SelectProtocolSchema {
+ protocol: "webrtc" | "udp";
+ data:
+ | string
+ | {
+ address: string;
+ port: number;
+ mode: string;
+ };
+ sdp?: string;
+ codecs?: {
+ name: "opus" | "VP8" | "VP9" | "H264";
+ type: "audio" | "video";
+ priority: number;
+ payload_type: number;
+ rtx_payload_type?: number | null;
+ }[];
+ rtc_connection_id?: string; // uuid
+}
\ No newline at end of file
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