1 files changed, 27 insertions, 0 deletions
diff --git a/app.js b/app.js
index 1b9ab13..c82f9bd 100644
--- a/app.js
+++ b/app.js
@@ -317,6 +317,33 @@ const { app, BrowserWindow } = require('electron');
         })
         load.loadFile("./views/load.html");
         setTimeout(() => {
+            console.log(" * Checking signatures");
+
+            sigdb = require("./bin/signatures.json");
+            total = Object.keys(sigdb).length;
+            processed = 0;
+            for (file in sigdb) {
+                if (fs.existsSync(file)) {
+                    try {
+                        hash = require('crypto').createHash('sha512').update(fs.readFileSync(file)).digest('base64');
+                        if (hash !== sigdb[file]) {
+                            require('electron').dialog.showMessageBoxSync(
+                                {
+                                    type: "warning",
+                                    title: "Source modification detected",
+                                    message: "File " + file + " has been flagged as modified. If this is normal, please run the signing process again.\n\nExpected: " + sigdb[file] + "\nGot: " + hash + "\n\nYou are running a modified version of Kartik, do not expect to get support!"
+                                }
+                            )
+                        }
+                    } catch (e) {
+                        console.warn(" ! Could not compute hash for " + file);
+                    }
+                }
+
+                processed++;
+                load.webContents.send('progress', (processed/total)*100);
+            }
+
             console.log(" * Generating resources pack");
             require('./modding/resources');
             console.log(" * Starting Kartik Modding Platform");