From a4927884b224e3d4d78ff5db88cbb77bbdf8ee0b Mon Sep 17 00:00:00 2001
From: Chocobozzz <me@florianbigard.com>
Date: Thu, 19 Jan 2023 14:27:51 +0100
Subject: Support mailto for custom markup

---
 client/src/app/core/renderer/markdown.service.ts | 10 ++++++----
 shared/core-utils/renderer/html.ts               |  6 +++++-
 2 files changed, 11 insertions(+), 5 deletions(-)

diff --git a/client/src/app/core/renderer/markdown.service.ts b/client/src/app/core/renderer/markdown.service.ts
index a5fd72862..dd23a1b01 100644
--- a/client/src/app/core/renderer/markdown.service.ts
+++ b/client/src/app/core/renderer/markdown.service.ts
@@ -64,8 +64,8 @@ export class MarkdownService {
 
   textMarkdownToHTML (options: {
     markdown: string
-    withHtml?: boolean
-    withEmoji?: boolean
+    withHtml?: boolean // default false
+    withEmoji?: boolean // default false
   }) {
     const { markdown, withHtml = false, withEmoji = false } = options
 
@@ -76,8 +76,8 @@ export class MarkdownService {
 
   enhancedMarkdownToHTML (options: {
     markdown: string
-    withHtml?: boolean
-    withEmoji?: boolean
+    withHtml?: boolean // default false
+    withEmoji?: boolean // default false
   }) {
     const { markdown, withHtml = false, withEmoji = false } = options
 
@@ -99,6 +99,8 @@ export class MarkdownService {
     return this.render({ name: 'customPageMarkdownIt', markdown, withEmoji: true, additionalAllowedTags })
   }
 
+  // ---------------------------------------------------------------------------
+
   processVideoTimestamps (videoShortUUID: string, html: string) {
     return html.replace(/((\d{1,2}):)?(\d{1,2}):(\d{1,2})/g, function (str, _, h, m, s) {
       const t = (3600 * +(h || 0)) + (60 * +(m || 0)) + (+(s || 0))
diff --git a/shared/core-utils/renderer/html.ts b/shared/core-utils/renderer/html.ts
index 502308979..877f2ec55 100644
--- a/shared/core-utils/renderer/html.ts
+++ b/shared/core-utils/renderer/html.ts
@@ -38,7 +38,11 @@ export function getCustomMarkupSanitizeOptions (additionalAllowedTags: string[]
       ...additionalAllowedTags,
       'div', 'h1', 'h2', 'h3', 'h4', 'h5', 'h6', 'img'
     ],
-    allowedSchemes: base.allowedSchemes,
+    allowedSchemes: [
+      ...base.allowedSchemes,
+
+      'mailto'
+    ],
     allowedAttributes: {
       ...base.allowedAttributes,
 
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