feat(external-links): add whitelist to bypass redirect page (#6548)

Signed-off-by: Tobias Dillig <tobias.dillig@frachtwerk.de>
Signed-off-by: Tobi <tldev-de@users.noreply.github.com>

lib/config/default.js

@@ -192,5 +192,6 @@ module.exports = {
   //    2nd appearance: "31-good-morning-my-friend---do-you-have-5-1"
   //    3rd appearance: "31-good-morning-my-friend---do-you-have-5-2"
   linkifyHeaderStyle: 'keep-case',
-  enableStatsApi: true
+  enableStatsApi: true,
+  externalLinkWhitelist: []
 }

lib/config/environment.js

@@ -166,5 +166,6 @@ module.exports = {
   allowGravatar: toBooleanConfig(process.env.CMD_ALLOW_GRAVATAR),
   openID: toBooleanConfig(process.env.CMD_OPENID),
   linkifyHeaderStyle: process.env.CMD_LINKIFY_HEADER_STYLE,
-  enableStatsApi: toBooleanConfig(process.env.CMD_ENABLE_STATS_API)
+  enableStatsApi: toBooleanConfig(process.env.CMD_ENABLE_STATS_API),
+  externalLinkWhitelist: toArrayConfig(process.env.CMD_EXTERNAL_LINK_WHITELIST)
 }

lib/web/statusRouter.js

@@ -113,6 +113,7 @@ statusRouter.get('/config', function (req, res) {
     linkifyHeaderStyle: config.linkifyHeaderStyle,
     cookiePolicy: config.cookiePolicy,
     enableUploads: config.enableUploads,
+    externalLinkWhitelist: config.externalLinkWhitelist,
     userToken: req.user ? req.user.deleteToken : ''
   }
   res.set({