From f481287f842c6b68164cc0c51432c68b5d0adfb8 Mon Sep 17 00:00:00 2001
From: Jon Atkins <github@jonatkins.com>
Date: Fri, 15 Aug 2014 00:43:51 +0100
Subject: [PATCH] version code extraction: rather than hard-coded function
 name, iterate through all munged (i.e. 1 or 2 letter) functions, then the
 munged functions within the prototype this should, in theory, be reasonably
 robust against Niantic site updates.

---
 code/extract_niantic_parameters.js | 56 +++++++++++++++++++++++++-----
 1 file changed, 48 insertions(+), 8 deletions(-)

diff --git a/code/extract_niantic_parameters.js b/code/extract_niantic_parameters.js
index 704b52af..c8348f47 100644
--- a/code/extract_niantic_parameters.js
+++ b/code/extract_niantic_parameters.js
@@ -2,21 +2,61 @@
 // and it's various member objects, functions, etc.
 // so we need to extract some essential parameters from the code for IITC to use
 
-
-window.niantic_params = {}
-
-
 window.extractFromStock = function() {
+  window.niantic_params = {}
 
   //TODO: need to search through the stock intel minified functions/data structures for the required variables
   // just as a *very* quick fix, test the theory with hard-coded variable names
 
 
   // extract the former nemesis.dashboard.config.CURRENT_VERSION from the code
-  var re = new RegExp('[a-z]=[a-z].getData\\(\\);[a-z].v="([a-f0-9]{40})";');
-  var func = od.prototype.vg.toString();
-  var match = re.exec(func);
-  niantic_params.CURRENT_VERSION = match[1];
+  var reVersion = new RegExp('[a-z]=[a-z].getData\\(\\);[a-z].v="([a-f0-9]{40})";');
 
 
+  var minified = new RegExp('^[a-zA-Z][a-zA-Z0-9]$');
+
+  for (var topLevel in window) {
+    if (minified.test(topLevel)) {
+      // a minified object - check for minified prototype entries
+
+      // the object has a prototype - iterate through the properties of that
+      if (window[topLevel] && window[topLevel].prototype) {
+        for (var secLevel in window[topLevel].prototype) {
+          if (minified.test(secLevel)) {
+
+            // looks like we've found an object of the format "XX.prototype.YY"...
+
+            var item = window[topLevel].prototype[secLevel];
+
+            if (item && typeof(item) == "function") {
+              // a function - test it against the relevant regular expressions
+              var funcStr = item.toString();
+
+              var match = reVersion.exec(funcStr);
+              if (match) {
+                console.log('Found former CURRENT_VERSION in '+topLevel+'.prototype.'+secLevel);
+                niantic_params.CURRENT_VERSION = match[1];
+              }
+
+            }
+
+          }
+        }
+
+      }
+    }
+  }
+
+
+  if (niantic_params.CURRENT_VERSION === undefined) {
+    dialog({
+      title: 'IITC Broken',
+      html: '<p>IITC failed to extract the required varsion parameter from the intel site</p>'
+           +'<p>This can happen after Niantic update the standard intel site. A fix will be needed from the IITC developers.</p>',
+    });
+
+    throw('Error: IITC failed to extract CURRENT_VERSION string - cannot continue');
+  }
+
 }
+