From 59053cff4b89be249dedb822672ccca5d6bfba33 Mon Sep 17 00:00:00 2001
From: Christian Faber <christian.faber@mondata.de>
Date: Mon, 12 Feb 2024 17:04:14 +0100
Subject: [PATCH 1/2] Add httpsAutoLinks option to use https as default when
 creating links with missing protocol information

---
 src/options.js                                               | 5 +++++
 src/subParsers/makehtml/links.js                             | 4 ++--
 .../makehtml/cases/features/#806.https-auto-link.html        | 2 ++
 .../makehtml/cases/features/#806.https-auto-link.md          | 3 +++
 test/functional/makehtml/testsuite.features.js               | 2 ++
 5 files changed, 14 insertions(+), 2 deletions(-)
 create mode 100644 test/functional/makehtml/cases/features/#806.https-auto-link.html
 create mode 100644 test/functional/makehtml/cases/features/#806.https-auto-link.md

diff --git a/src/options.js b/src/options.js
index 19deb6672..68105685f 100644
--- a/src/options.js
+++ b/src/options.js
@@ -51,6 +51,11 @@ function getDefaultOpts (simple) {
       describe: 'Turn on/off GFM autolink style',
       type: 'boolean'
     },
+    httpsAutoLinks: {
+      defaultValue:  false,
+      describe: 'Use \'https://\' for auto-generated links',
+      type: 'string'
+    },
     literalMidWordUnderscores: {
       defaultValue: false,
       describe: 'Parse midword underscores as literal underscores',
diff --git a/src/subParsers/makehtml/links.js b/src/subParsers/makehtml/links.js
index cac80da7b..4c7f53057 100644
--- a/src/subParsers/makehtml/links.js
+++ b/src/subParsers/makehtml/links.js
@@ -302,7 +302,7 @@
     var urlRgx  = /<(((?:https?|ftp):\/\/|www\.)[^'">\s]+)>/gi;
     text = text.replace(urlRgx, function (wholeMatch, url, urlStart) {
       var text = url;
-      url = (urlStart === 'www.') ? 'http://' + url : url;
+      url = (urlStart === 'www.') ? (options.httpsAutoLinks ? 'https://' : 'http://') + url : url;
       var evt = createEvent(urlRgx, evtRootName + '.captureStart', wholeMatch, text, null, url, null, options, globals);
       return writeAnchorTag(evt, options, globals);
     });
@@ -392,7 +392,7 @@
       // we copy the treated url to the text variable
       var text = url;
       // finally, if it's a www shortcut, we prepend http
-      url = (urlPrefix === 'www.') ? 'http://' + url : url;
+      url = (urlPrefix === 'www.') ? (options.httpsAutoLinks ? 'https://' : 'http://') + url : url;
 
       // url part is done so let's take care of text now
       // we need to escape the text (because of links such as www.example.com/foo__bar__baz)
diff --git a/test/functional/makehtml/cases/features/#806.https-auto-link.html b/test/functional/makehtml/cases/features/#806.https-auto-link.html
new file mode 100644
index 000000000..7a14598df
--- /dev/null
+++ b/test/functional/makehtml/cases/features/#806.https-auto-link.html
@@ -0,0 +1,2 @@
+<p><a href="https://www.foobar.com">www.foobar.com</a></p>
+<p>This is a link <a href="https://www.foobar.com">www.foobar.com</a></p>
\ No newline at end of file
diff --git a/test/functional/makehtml/cases/features/#806.https-auto-link.md b/test/functional/makehtml/cases/features/#806.https-auto-link.md
new file mode 100644
index 000000000..42306f125
--- /dev/null
+++ b/test/functional/makehtml/cases/features/#806.https-auto-link.md
@@ -0,0 +1,3 @@
+www.foobar.com
+
+This is a link <www.foobar.com>
\ No newline at end of file
diff --git a/test/functional/makehtml/testsuite.features.js b/test/functional/makehtml/testsuite.features.js
index 2ef6c38ea..90a85f30a 100644
--- a/test/functional/makehtml/testsuite.features.js
+++ b/test/functional/makehtml/testsuite.features.js
@@ -64,6 +64,8 @@ describe('makeHtml() features testsuite', function () {
         converter = new showdown.Converter({simpleLineBreaks: true});
       } else if (testsuite[i].name === '#318.simpleLineBreaks-does-not-work-with-chinese-characters') {
         converter = new showdown.Converter({simpleLineBreaks: true});
+      } else if (testsuite[i].name === '#806.https-auto-link') {
+        converter = new showdown.Converter({simplifiedAutoLink: true, httpsAutoLinks: true});
       } else if (testsuite[i].name === 'simpleLineBreaks-handle-html-pre') {
         converter = new showdown.Converter({simpleLineBreaks: true});
       } else if (testsuite[i].name === 'excludeTrailingPunctuationFromURLs-option') {

From 452f2e4ee9482cee78dbd4bf372667ab5c0af6e6 Mon Sep 17 00:00:00 2001
From: Christian Faber <christian.faber@mondata.de>
Date: Tue, 20 Feb 2024 12:33:17 +0100
Subject: [PATCH 2/2] Fix incorrect options type for httpsAutoLinks

---
 src/options.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/options.js b/src/options.js
index 68105685f..30e346db7 100644
--- a/src/options.js
+++ b/src/options.js
@@ -54,7 +54,7 @@ function getDefaultOpts (simple) {
     httpsAutoLinks: {
       defaultValue:  false,
       describe: 'Use \'https://\' for auto-generated links',
-      type: 'string'
+      type: 'boolean'
     },
     literalMidWordUnderscores: {
       defaultValue: false,