From 83f01b2edf5015bc6fb57ccf2e23c97dcabca071 Mon Sep 17 00:00:00 2001
From: Daniel Lockyer <hi@daniellockyer.com>
Date: Mon, 11 Mar 2024 16:50:29 +0100
Subject: [PATCH] Added RangeNotSatisfiableError error

ref ENG-729
ref https://linear.app/tryghost/issue/ENG-729/incorrect-range-header-leads-to-http-500-errors

- this will be used when the content Ghost is trying to serve cannot be
  satisfied for the provided range
---
 packages/errors/src/errors.ts       | 11 +++++++++++
 packages/errors/test/errors.test.ts |  9 +++++++++
 2 files changed, 20 insertions(+)

diff --git a/packages/errors/src/errors.ts b/packages/errors/src/errors.ts
index 8be63a23..2bd84146 100644
--- a/packages/errors/src/errors.ts
+++ b/packages/errors/src/errors.ts
@@ -137,6 +137,17 @@ export class RequestNotAcceptableError extends GhostError {
     }
 }
 
+export class RangeNotSatisfiableError extends GhostError {
+    constructor(options: GhostErrorOptions = {}) {
+        super(mergeOptions(options, {
+            statusCode: 416,
+            errorType: 'RangeNotSatisfiableError',
+            message: 'Range not satisfiable for provided Range header.',
+            hideStack: true
+        }));
+    }
+}
+
 export class RequestEntityTooLargeError extends GhostError {
     constructor(options: GhostErrorOptions = {}) {
         super(mergeOptions(options, {
diff --git a/packages/errors/test/errors.test.ts b/packages/errors/test/errors.test.ts
index ed3e61cd..0d6e929e 100644
--- a/packages/errors/test/errors.test.ts
+++ b/packages/errors/test/errors.test.ts
@@ -488,6 +488,15 @@ Line 2 - Help`);
             error.hideStack.should.be.false();
         });
 
+        it('RangeNotSatisfiableError', function () {
+            const error = new errors.RangeNotSatisfiableError();
+            error.statusCode.should.eql(416);
+            error.level.should.eql('normal');
+            error.errorType.should.eql('RangeNotSatisfiableError');
+            error.message.should.eql('Range not satisfiable for provided Range header.');
+            error.hideStack.should.be.true();
+        });
+
         it('TokenRevocationError', function () {
             const error = new errors.TokenRevocationError();
             error.statusCode.should.eql(503);