diff --git a/src/controllers/PostsController.ts b/src/controllers/PostsController.ts
index 43bf2ef..55b96b0 100644
--- a/src/controllers/PostsController.ts
+++ b/src/controllers/PostsController.ts
@@ -13,7 +13,7 @@ import { GroupsAccessLevel } from "../entities/Group";
 import { GroupsHelper } from "../helpers/GroupsHelper";
 import { time } from "../utils/DateUtils";
 import { findKey } from "../utils/ArrayUtils";
-import { check_string_before_insert } from "../utils/StringUtils";
+import { check_string_before_insert, check_youtube_id } from "../utils/StringUtils";
 import { pathUserData } from "../utils/UserDataUtils";
 import { statSync } from "fs";
 import { lookup } from "mime-types";
@@ -185,6 +185,25 @@ export class PostsController {
 				break;
 			
 			
+
+			// YouTube posts
+			case PostKind.POST_KIND_YOUTUBE:
+
+				const youtubeID = h.postString("youtube_id");
+
+				if(!check_youtube_id(youtubeID))
+					h.error(400, "Invalid YouTube ID!");
+				
+				newPost.file = new PostFile({
+					path: youtubeID,
+					size: 0,
+					type: "youtube"
+				})
+
+				break;
+
+			
+
 			
 			
 
diff --git a/src/utils/StringUtils.ts b/src/utils/StringUtils.ts
index 64aef91..064d5b9 100644
--- a/src/utils/StringUtils.ts
+++ b/src/utils/StringUtils.ts
@@ -57,4 +57,22 @@ export function removeHTMLNodes(input : string) : string {
  */
 export function check_string_before_insert(s: string) : boolean {
 	return s.trim().length >= 3;
+}
+
+
+/**
+ * Check the validity of a YouTube ID
+ * 
+ * @param s The id to check
+ */
+export function check_youtube_id(s: string) : boolean {
+	return s.length >= 5
+		&& !s.includes("/")
+		&& !s.includes("\\")
+		&& !s.includes("@")
+		&& !s.includes("&")
+		&& !s.includes("?")
+		&& !s.includes(".")
+		&& !s.includes("'")
+		&& !s.includes("\"")
 }
\ No newline at end of file