From 656808a41bf6ac9f63a53e8680796643304345a4 Mon Sep 17 00:00:00 2001
From: ismail simsek <ismailsimsek09@gmail.com>
Date: Tue, 14 Nov 2023 15:59:34 +0100
Subject: [PATCH] InfluxDB: Fix multi variable interpolation (#78068)

fix special variable escape
---
 .../datasource/influxdb/datasource.test.ts     | 18 +++++++++++++++++-
 .../plugins/datasource/influxdb/datasource.ts  |  7 ++++++-
 2 files changed, 23 insertions(+), 2 deletions(-)

diff --git a/public/app/plugins/datasource/influxdb/datasource.test.ts b/public/app/plugins/datasource/influxdb/datasource.test.ts
index be4d4a53c68..c66320737b3 100644
--- a/public/app/plugins/datasource/influxdb/datasource.test.ts
+++ b/public/app/plugins/datasource/influxdb/datasource.test.ts
@@ -7,7 +7,7 @@ import config from 'app/core/config';
 import { TemplateSrv } from '../../../features/templating/template_srv';
 
 import { BROWSER_MODE_DISABLED_MESSAGE } from './constants';
-import InfluxDatasource from './datasource';
+import InfluxDatasource, { influxSpecialRegexEscape } from './datasource';
 import {
   getMockDSInstanceSettings,
   getMockInfluxDS,
@@ -409,5 +409,21 @@ describe('InfluxDataSource Frontend Mode', () => {
         expect(qData).toBe(qe);
       });
     });
+
+    describe('influxSpecialRegexEscape', () => {
+      it('should escape the dot properly', () => {
+        const value = 'value.with-dot';
+        const expectation = `value\.with-dot`;
+        const result = influxSpecialRegexEscape(value);
+        expect(result).toBe(expectation);
+      });
+
+      it('should escape the url properly', () => {
+        const value = 'https://aaaa-aa-aaa.bbb.ccc.ddd:8443/jolokia';
+        const expectation = `https:\/\/aaaa-aa-aaa\.bbb\.ccc\.ddd:8443\/jolokia`;
+        const result = influxSpecialRegexEscape(value);
+        expect(result).toBe(expectation);
+      });
+    });
   });
 });
diff --git a/public/app/plugins/datasource/influxdb/datasource.ts b/public/app/plugins/datasource/influxdb/datasource.ts
index 18805064d9f..2217b4fe153 100644
--- a/public/app/plugins/datasource/influxdb/datasource.ts
+++ b/public/app/plugins/datasource/influxdb/datasource.ts
@@ -793,5 +793,10 @@ export function influxRegularEscape(value: string | string[]) {
 }
 
 export function influxSpecialRegexEscape(value: string | string[]) {
-  return typeof value === 'string' ? value.replace(/\\/g, '\\\\\\\\').replace(/[$^*{}\[\]\'+?.()|]/g, '\\\\$&') : value;
+  if (typeof value !== 'string') {
+    return value;
+  }
+  value = value.replace(/\\/g, '\\\\\\\\');
+  value = value.replace(/[$^*{}\[\]\'+?.()|]/g, '$&');
+  return value;
 }