From 3138e1657f2299ed1328cc014ee65eb8d67b9541 Mon Sep 17 00:00:00 2001
From: Daniel Silhavy <daniel.silhavy@fokus.fraunhofer.de>
Date: Tue, 16 Apr 2024 13:04:01 +0200
Subject: [PATCH] Account for lower case laUrl in MPDs (#4460)

---
 src/dash/constants/DashConstants.js           |   1 +
 src/dash/vo/ContentProtection.js              |   3 +-
 .../test/dash/dash.vo.ContentProtection.js    | 138 ++++++++++++++++++
 3 files changed, 141 insertions(+), 1 deletion(-)
 create mode 100644 test/unit/test/dash/dash.vo.ContentProtection.js

diff --git a/src/dash/constants/DashConstants.js b/src/dash/constants/DashConstants.js
index f61aa343f0..d927d097a1 100644
--- a/src/dash/constants/DashConstants.js
+++ b/src/dash/constants/DashConstants.js
@@ -95,6 +95,7 @@ export default {
     INITIALIZATION: 'Initialization',
     INITIALIZATION_MINUS: 'initialization',
     LA_URL: 'Laurl',
+    LA_URL_LOWER_CASE: 'laurl',
     LABEL: 'Label',
     LANG: 'lang',
     LOCATION: 'Location',
diff --git a/src/dash/vo/ContentProtection.js b/src/dash/vo/ContentProtection.js
index bfaefc155f..f1c4f7e8a4 100644
--- a/src/dash/vo/ContentProtection.js
+++ b/src/dash/vo/ContentProtection.js
@@ -43,6 +43,7 @@ class ContentProtection extends DescriptorType {
         this.refId = null;
         this.robustness = null;
         this.keyId = null;
+        this.cencDefaultKid = null;
         this.pssh = null;
         this.pro = null;
         this.laUrl = null;
@@ -58,7 +59,7 @@ class ContentProtection extends DescriptorType {
             this.cencDefaultKid = data.hasOwnProperty(DashConstants.CENC_DEFAULT_KID) ? data[DashConstants.CENC_DEFAULT_KID] : null;
             this.pssh = data.hasOwnProperty(DashConstants.PSSH) ? data[DashConstants.PSSH] : null;
             this.pro = data.hasOwnProperty(DashConstants.PRO) ? data[DashConstants.PRO] : null;
-            this.laUrl = data.hasOwnProperty(DashConstants.LA_URL) ? data[DashConstants.LA_URL] : null;
+            this.laUrl = data.hasOwnProperty(DashConstants.LA_URL) ? data[DashConstants.LA_URL] : data.hasOwnProperty(DashConstants.LA_URL_LOWER_CASE) ? data[DashConstants.LA_URL_LOWER_CASE] : null;
         }
     }
 
diff --git a/test/unit/test/dash/dash.vo.ContentProtection.js b/test/unit/test/dash/dash.vo.ContentProtection.js
new file mode 100644
index 0000000000..4a1f5cb49d
--- /dev/null
+++ b/test/unit/test/dash/dash.vo.ContentProtection.js
@@ -0,0 +1,138 @@
+import {expect} from 'chai';
+import ContentProtection from '../../../../src/dash/vo/ContentProtection.js';
+
+describe('Content Protection', () => {
+
+    it('should be constructed with null values', () => {
+        const contentProtection = new ContentProtection();
+        expect(contentProtection).to.deep.equal({
+            schemeIdUri: null,
+            value: null,
+            id: null,
+            ref: null,
+            refId: null,
+            robustness: null,
+            keyId: null,
+            cencDefaultKid: null,
+            pssh: null,
+            pro: null,
+            laUrl: null,
+        });
+    });
+
+    it('should initialise with correct base values', () => {
+        const contentProtection = new ContentProtection();
+        contentProtection.init({
+            schemeIdUri: 'testScheme',
+            value: '1',
+        });
+        expect(contentProtection).to.deep.equal({
+            schemeIdUri: 'testScheme',
+            value: '1',
+            id: null,
+            ref: null,
+            refId: null,
+            robustness: null,
+            keyId: null,
+            cencDefaultKid: null,
+            pssh: null,
+            pro: null,
+            laUrl: null
+        });
+    });
+
+    it('should initialise with correct complete values', () => {
+        const contentProtection = new ContentProtection();
+        contentProtection.init({
+            schemeIdUri: 'testScheme',
+            value: '1',
+            ref: 'ref',
+            refId: 'refId',
+            robustness: 'robustness',
+            keyId: null,
+            'cenc:default_KID': 'keyId',
+            pssh: 'pssh',
+            pro: 'pro',
+            Laurl: 'laUrl'
+        });
+        expect(contentProtection).to.deep.equal({
+            schemeIdUri: 'testScheme',
+            value: '1',
+            id: null,
+            ref: 'ref',
+            refId: 'refId',
+            robustness: 'robustness',
+            keyId: null,
+            cencDefaultKid: 'keyId',
+            pssh: 'pssh',
+            pro: 'pro',
+            laUrl: 'laUrl'
+        });
+    });
+
+    it('should handle lowercase laurl', () => {
+        const contentProtection = new ContentProtection();
+        contentProtection.init({
+            schemeIdUri: 'testScheme',
+            value: '1',
+            ref: 'ref',
+            refId: 'refId',
+            robustness: 'robustness',
+            'cenc:default_KID': 'keyId',
+            pssh: 'pssh',
+            pro: 'pro',
+            laurl: 'laUrl'
+        });
+        expect(contentProtection).to.deep.equal({
+            schemeIdUri: 'testScheme',
+            value: '1',
+            id: null,
+            ref: 'ref',
+            refId: 'refId',
+            robustness: 'robustness',
+            keyId: null,
+            cencDefaultKid: 'keyId',
+            pssh: 'pssh',
+            pro: 'pro',
+            laUrl: 'laUrl'
+        });
+    });
+
+    it('merge attributes from reference', () => {
+        const contentProtection = new ContentProtection();
+        contentProtection.init({
+            schemeIdUri: 'testScheme',
+            ref: 'ref',
+            refId: 'refId',
+            pssh: 'pssh',
+            pro: 'pro',
+            laurl: 'laUrl'
+        });
+        contentProtection.mergeAttributesFromReference({
+            schemeIdUri: 'scheme-new',
+            value: 'value-new',
+            id: 'id-new',
+            robustness: 'robustness-new',
+            cencDefaultKid: 'keyId-new',
+            pssh: 'pssh-new',
+            pro: 'pro-new',
+            laUrl: 'laUrl-new',
+            ref: 'ref-new'
+        })
+        console.log(contentProtection)
+        expect(contentProtection).to.deep.equal({
+            schemeIdUri: 'testScheme',
+            value: 'value-new',
+            id: 'id-new',
+            robustness: 'robustness-new',
+            cencDefaultKid: 'keyId-new',
+            keyId: null,
+            pssh: 'pssh',
+            pro: 'pro',
+            laUrl: 'laUrl',
+            ref: 'ref',
+            refId: 'refId',
+        });
+    });
+
+});