zip - npm Package Compare versions

Comparing version 1.1.0 to 1.1.1

CHANGES.md

@@ -0,2 +1,6 @@
+# 1.1.1
 
+-   Added ``getMode`` function to be able to
+    use fs.chmod on darwin and linux
+
 # 0.0.4
@@ -3,0 +7,0 @@

package.json

 {
     "name": "zip",
-    "version": "1.1.0",
+    "version": "1.1.1",
     "description": "An implementation of unzip for JavaScript",
@@ -30,3 +30,6 @@ "keywords": [
         "url": "git://github.com/kriskowal/zip.git"
+    },
+    "scripts": {
+        "test": "node test"
     }
 }

test.js

 var ZIP = require("./zip");
 var FS = require("fs");
+var assert = require("assert");
 
@@ -9,6 +10,7 @@ console.log("-------------------");
 var reader = ZIP.Reader(data);
-console.log(reader.toObject('utf-8'));
+var readFromBuffer = reader.toObject('utf-8');
+console.log(readFromBuffer);
 
 reader.forEach(function (entry) {
-    console.log(entry.getName(), entry.lastModified());
+    console.log(entry.getName(), entry.lastModified(), entry.getMode());
 });
@@ -20,5 +22,6 @@
 FS.open("zip.zip", "r", "0666", function(err, fd) {
-  var reader = ZIP.Reader(fd);
-	console.log(reader.toObject('utf-8'));
-});
-
+    var reader = ZIP.Reader(fd);
+    var readFromFileDescriptor = reader.toObject('utf-8');
+    console.log(readFromFileDescriptor);
+    assert.deepEqual(readFromBuffer, readFromFileDescriptor, 'READ from Buffer MUST be equal to READ from file descriptor');
+});

zip.js

@@ -11,2 +11,3 @@ // Tom Robinson
 var END_OF_CENTRAL_DIRECTORY_RECORD = 0x06054b50;
+var MADE_BY_UNIX = 3;     // See http://www.pkware.com/documents/casestudies/APPNOTE.TXT
 
@@ -193,3 +194,3 @@ var Reader = exports.Reader = function (data) {
     if (structure.signature !== CENTRAL_DIRECTORY_FILE_HEADER)
-        throw new Error("ZIP central directory file header signature invalid (expects 0x04034b50, actually 0x" + structure.signature.toString(16) +")");
+        throw new Error("ZIP central directory file header signature invalid (expects 0x02014b50, actually 0x" + structure.signature.toString(16) +")");
 
@@ -220,2 +221,3 @@ structure.version                   = stream.readInteger(2);    // Version made by
     structure.file_comment              = stream.readString(k);     // File comment
+    structure.mode                      = stream.detectChmod(structure.version, structure.external_file_attributes); // chmod
 
@@ -225,2 +227,14 @@ return structure;
 
+Reader.prototype.detectChmod = function(versionMadeBy, externalFileAttributes) {
+    var madeBy = versionMadeBy >> 8,
+        mode = externalFileAttributes >>> 16,
+        chmod = false;
+
+    mode = (mode & 0x1ff);
+    if (madeBy === MADE_BY_UNIX && (process.platform === 'darwin' || process.platform === 'linux')) {
+        chmod = mode.toString(8);
+    }
+    return chmod;
+}
+
 // finds the end of central directory record
@@ -271,3 +285,3 @@ // I'd like to slap whoever thought it was a good idea to put a variable length comment field here
     if (structure.signature !== END_OF_CENTRAL_DIRECTORY_RECORD)
-        throw new Error("ZIP end of central directory record signature invalid (expects 0x04034b50, actually 0x" + structure.signature.toString(16) +")");
+        throw new Error("ZIP end of central directory record signature invalid (expects 0x06054b50, actually 0x" + structure.signature.toString(16) +")");
 
@@ -336,3 +350,3 @@ structure.disk_number               = stream.readInteger(2);    // Number of this disk
 
-            return new Entry(localHeader, stream, start, centralHeader.compressed_size, centralHeader.compression_method);
+            return new Entry(localHeader, stream, start, centralHeader.compressed_size, centralHeader.compression_method, centralHeader.mode);
         }
@@ -375,3 +389,4 @@ };
 
-var Entry = exports.Entry = function (header, realStream, start, compressedSize, compressionMethod) {
+var Entry = exports.Entry = function (header, realStream, start, compressedSize, compressionMethod, mode) {
+    this._mode = mode;
     this._header = header;
@@ -411,2 +426,6 @@ this._realStream = realStream;
 
+Entry.prototype.getMode = function () {
+    return this._mode;
+};
+
 var bytesToNumberLE = function (bytes) {
@@ -413,0 +432,0 @@ var acc = 0;

New alerts

New author

Supply chain risk

A new npm collaborator published a version of the package for the first time. New collaborators are usually benign additions to a project, but do indicate a change to the security surface area of a package.

Found 1 instance in 1 package

Improved metrics

Total package byte prevSize

45736

2.66%

Number of package files

10

11.11%

Lines of code

1111

1.74%

Worsened metrics

Number of medium supply chain risk alerts

1

Infinity%

No dependency changes