From f90fe05fe0699a4a73c8df19b49411916a1b8707 Mon Sep 17 00:00:00 2001
From: Ryan Blenis <ryan.blenis@gmail.com>
Date: Wed, 6 Nov 2019 20:00:09 -0500
Subject: [PATCH] Fake semantic versioning for MeshCentral version comparison /
 plugin update compatibility check

---
 meshuser.js      | 3 +--
 pluginHandler.js | 6 +++++-
 2 files changed, 6 insertions(+), 3 deletions(-)

diff --git a/meshuser.js b/meshuser.js
index ed011cbd..390586e3 100644
--- a/meshuser.js
+++ b/meshuser.js
@@ -3130,8 +3130,7 @@ module.exports.CreateMeshUser = function (parent, db, ws, req, args, domain, use
             }
             case 'addplugin': {
                 if ((user.siteadmin & 0xFFFFFFFF) == 0 || parent.parent.pluginHandler == null) break; // must be full admin, plugins enabled
-                try { 
-                    //parent.parent.pluginHandler.addPlugin(command.url)
+                try {
                     parent.parent.pluginHandler.getPluginConfig(command.url)
                     .then(parent.parent.pluginHandler.addPlugin)
                     .then(function(docs){
diff --git a/pluginHandler.js b/pluginHandler.js
index fddc3f03..3fb25741 100644
--- a/pluginHandler.js
+++ b/pluginHandler.js
@@ -263,12 +263,16 @@ module.exports.pluginHandler = function (parent) {
                         });
                         if (curconf == null) reject('Some plugin configs could not be parsed');
                         var s = require('semver');
+                        // MeshCentral doesn't adhere to semantic versioning (due to the -<alpha_char> at the end of the version)
+                        // Convert the letter to ASCII for a "true" version number comparison
+                        var mcCurVer = parent.currentVer.replace(/-(.)$/, (m, p1) => { return p1.charCodeAt(0); });
+                        var piCompatVer = newconf.meshCentralCompat.replace(/-(.)$/, (m, p1) => { return p1.charCodeAt(0); });
                         latestRet.push({
                             "id": curconf._id,
                             "installedVersion": curconf.version,
                             "version": newconf.version,
                             "hasUpdate": s.gt(newconf.version, curconf.version),
-                            "meshCentralCompat": s.satisfies(s.coerce(parent.currentVer), newconf.meshCentralCompat),
+                            "meshCentralCompat": s.satisfies(mcCurVer, piCompatVer),
                             "changelogUrl": curconf.changelogUrl,
                             "status": curconf.status
                         });