From 0d583f175f498072680e190aa9049e4e49a1dbd6 Mon Sep 17 00:00:00 2001
From: Xavi Aracil <xaracil@1edtech.org>
Date: Fri, 10 Feb 2023 10:12:08 +0100
Subject: [PATCH] Validate context against aliases and versioning

---
 .../vc/probe/ContextPropertyProbe.java        | 22 ++++++++++++++++++-
 1 file changed, 21 insertions(+), 1 deletion(-)

diff --git a/inspector-vc/src/main/java/org/oneedtech/inspect/vc/probe/ContextPropertyProbe.java b/inspector-vc/src/main/java/org/oneedtech/inspect/vc/probe/ContextPropertyProbe.java
index f0ec2ab..865daca 100644
--- a/inspector-vc/src/main/java/org/oneedtech/inspect/vc/probe/ContextPropertyProbe.java
+++ b/inspector-vc/src/main/java/org/oneedtech/inspect/vc/probe/ContextPropertyProbe.java
@@ -36,7 +36,7 @@ public class ContextPropertyProbe extends StringValuePropertyProbe {
 
 			int pos = 0;
 			for (String uri : contextUris) {
-				if ((nodeValues.size() < pos + 1) || !nodeValues.get(pos).equals(uri)) {
+				if ((nodeValues.size() < pos + 1) || !contains(uri, nodeValues.get(pos))) {
 					return error("missing required @context uri " + uri + " at position " + (pos + 1), ctx);
 				}
 				pos++;
@@ -46,5 +46,25 @@ public class ContextPropertyProbe extends StringValuePropertyProbe {
 		return success(ctx);
 	}
 
+	private boolean contains(String uri, String nodeValue) {
+		// check equal case
+		if (nodeValue.equals(uri)) {
+			return true;
+		}
+		// check aliases
+		if (type.getContextAliases().containsKey(uri)) {
+			if (type.getContextAliases().get(uri).stream().anyMatch(alias -> nodeValue.equals(alias))) {
+				return true;
+			}
+		}
+		// check versioning
+		if (type.getContextVersionPatterns().containsKey(uri)) {
+			if (type.getContextVersionPatterns().get(uri).stream().anyMatch(version -> nodeValue.matches(version))) {
+				return true;
+			}
+		}
+		return false;
+	}
+
 	public static final String ID = ContextPropertyProbe.class.getSimpleName();
 }