From aa15bdaacbb762bbb0d9bd10d24cef147b5dd029 Mon Sep 17 00:00:00 2001
From: "G.Ambatte" <sean@robertson-family.nz>
Date: Thu, 10 Jul 2025 19:59:09 +1200
Subject: [PATCH] Initial pass at ID validations

---
 .../pages/errorPage/errors/errorIndex.js      | 20 +++++++++++++++++++
 server/homebrew.api.js                        |  9 +++++++++
 2 files changed, 29 insertions(+)

diff --git a/client/homebrew/pages/errorPage/errors/errorIndex.js b/client/homebrew/pages/errorPage/errors/errorIndex.js
index b13b19eb1..c0220b648 100644
--- a/client/homebrew/pages/errorPage/errors/errorIndex.js
+++ b/client/homebrew/pages/errorPage/errors/errorIndex.js
@@ -176,6 +176,26 @@ const errorIndex = (props)=>{
 		
 		If the selected brew is your document, you may designate it as a theme by adding the \`theme:meta\` tag.`,
 
+		// ID validation error
+		'11' : dedent`
+		## No Homebrewery document could be found.
+		
+		The server could not locate the Homebrewery document. The Brew ID failed the validation check.
+		
+		:
+
+		**Brew ID:**  ${props.brew.brewId}`,
+
+		// Google ID validation error
+		'12' : dedent`
+		## No Google document could be found.
+		
+		The server could not locate the Google document. The Google ID failed the validation check.
+		
+		:
+
+		**Brew ID:**  ${props.brew.brewId}`,
+
 		//account page when account is not defined
 		'50' : dedent`
 		## You are not signed in
diff --git a/server/homebrew.api.js b/server/homebrew.api.js
index 84f639a4d..fc62ac763 100644
--- a/server/homebrew.api.js
+++ b/server/homebrew.api.js
@@ -48,6 +48,15 @@ const api = {
 			}
 			id = id.slice(googleId.length);
 		}
+
+		// ID Validation Checks
+		if(!id.match(/^[A-Za-z0-9_-]{12}$/)){
+			throw { name: 'ID Error', message: 'Invalid ID', status: 404, HBErrorCode: '11', brewId: id };
+		}
+		if(googleId && !googleId.match(/^1(?:[A-Za-z0-9+\/]{32}|[A-Za-z0-9+\/]{43})$/)){
+			throw { name: 'Google ID Error', message: 'Invalid ID', status: 404, HBErrorCode: '12', brewId: id };
+		}
+
 		return { id, googleId };
 	},
 	//Get array of any of this user's brews tagged with `meta:theme`