From 6f5138a56e31f3435efe08ffd764de4ee7fd153b Mon Sep 17 00:00:00 2001
From: Kevin Sawicki <kevin@github.com>
Date: Tue, 12 Mar 2013 08:23:54 -0700
Subject: [PATCH] Revert "Remove $native.md5ForPath()"

This reverts commit 832df7149e7510fccea0f7637f6feb232d0c0a7f.
---
 native/v8_extensions/native.mm | 19 ++++++++++++++++++-
 src/stdlib/require.coffee      |  4 +---
 2 files changed, 19 insertions(+), 4 deletions(-)

diff --git a/native/v8_extensions/native.mm b/native/v8_extensions/native.mm
index ee8ef0112..8d7705a79 100644
--- a/native/v8_extensions/native.mm
+++ b/native/v8_extensions/native.mm
@@ -25,7 +25,7 @@ namespace v8_extensions {
     const char* methodNames[] = {
       "absolute", "writeToPasteboard", "readFromPasteboard", "quit",
       "watchPath", "unwatchPath", "getWatchedPaths", "unwatchAllPaths",
-      "moveToTrash", "reload", "getPlatform", "setWindowState",
+      "moveToTrash", "reload", "md5ForPath", "getPlatform", "setWindowState",
       "getWindowState", "isMisspelled", "getCorrectionsForMisspelling"
     };
 
@@ -159,6 +159,23 @@ namespace v8_extensions {
     else if (name == "reload") {
       CefV8Context::GetCurrentContext()->GetBrowser()->ReloadIgnoreCache();
     }
+    else if (name == "md5ForPath") {
+      NSString *path = stringFromCefV8Value(arguments[0]);
+      unsigned char outputData[CC_MD5_DIGEST_LENGTH];
+
+      NSData *inputData = [[NSData alloc] initWithContentsOfFile:path];
+      CC_MD5([inputData bytes], [inputData length], outputData);
+      [inputData release];
+
+      NSMutableString *hash = [[NSMutableString alloc] init];
+
+      for (NSUInteger i = 0; i < CC_MD5_DIGEST_LENGTH; i++) {
+        [hash appendFormat:@"%02x", outputData[i]];
+      }
+
+      retval = CefV8Value::CreateString([hash UTF8String]);
+      return true;
+    }
     else if (name == "getPlatform") {
       retval = CefV8Value::CreateString("mac");
       return true;
diff --git a/src/stdlib/require.coffee b/src/stdlib/require.coffee
index c6cb7b38d..b4fa85ea1 100644
--- a/src/stdlib/require.coffee
+++ b/src/stdlib/require.coffee
@@ -1,5 +1,4 @@
 fs = nodeRequire 'fs'
-crypto = nodeRequire 'crypto'
 
 paths = [
   "#{window.resourcePath}/spec"
@@ -87,8 +86,7 @@ createCacheDirectory = ->
   fs.mkdirSync('/tmp/atom-compiled-scripts') unless __exists('/tmp/atom-compiled-scripts')
 
 getCacheFilePath = (path) ->
-  md5 = crypto.createHash('md5').update(fs.readFileSync(path)).digest('hex')
-  "/tmp/atom-compiled-scripts/#{md5}"
+  "/tmp/atom-compiled-scripts/#{$native.md5ForPath(path)}"
 
 resolve = (name, {verifyExistence}={}) ->
   verifyExistence ?= true