metadataPath validation replaces \ with / instead of complaining about it. closes #18"

Author: thejoshwolfe

index.js

@@ -228,7 +228,7 @@ function getEndOfCentralDirectoryRecord(self) {
 
 function validateMetadataPath(metadataPath, isDirectory) {
   if (metadataPath === "") throw new Error("empty metadataPath");
-  if (metadataPath.indexOf("\\") !== -1) throw new Error("invalid characters in path: " + metadataPath);
+  metadataPath = metadataPath.replace(/\\/g, "/");
   if (/^[a-zA-Z]:/.test(metadataPath) || /^\//.test(metadataPath)) throw new Error("absolute path: " + metadataPath);
   if (metadataPath.split("/").indexOf("..") !== -1) throw new Error("invalid relative path: " + metadataPath);
   var looksLikeDirectory = /\/$/.test(metadataPath);

package.json

@@ -27,6 +27,6 @@
   },
   "devDependencies": {
     "bl": "~0.9.3",
-    "yauzl": "~2.0.0"
+    "yauzl": "~2.3.1"
   }
 }

test/test.js

@@ -14,6 +14,7 @@ var BufferList = require("bl");
   zipfile.addReadStream(fs.createReadStream(__filename), "readStream.txt", fileMetadata);
   var expectedContents = fs.readFileSync(__filename);
   zipfile.addBuffer(expectedContents, "with/directories.txt", fileMetadata);
+  zipfile.addBuffer(expectedContents, "with\\windows-paths.txt", fileMetadata);
   zipfile.end(function(finalSize) {
     if (finalSize !== -1) throw new Error("finalSize is impossible to know before compression");
     zipfile.outputStream.pipe(new BufferList(function(err, data) {