adm-zip = function (input) {
var _zip = undefined,
_filename = "";
if (input && typeof input === "string") { // load zip file
if (fs.existsSync(input)) {
_filename = input;
_zip = new ZipFile(input, Utils.Constants.FILE);
} else {
throw Utils.Errors.INVALID_FILENAME;
}
} else if(input && Buffer.isBuffer(input)) { // load buffer
_zip = new ZipFile(input, Utils.Constants.BUFFER);
} else { // create new zip file
_zip = new ZipFile(null, Utils.Constants.NONE);
}
function getEntry(/*Object*/entry) {
if (entry && _zip) {
var item;
// If entry was given as a file name
if (typeof entry === "string")
item = _zip.getEntry(entry);
// if entry was given as a ZipEntry object
if (typeof entry === "object" && entry.entryName != undefined && entry.header != undefined)
item = _zip.getEntry(entry.entryName);
if (item) {
return item;
}
}
return null;
}
return {
/**
* Extracts the given entry from the archive and returns the content as a Buffer object
* @param entry ZipEntry object or String with the full path of the entry
*
* @return Buffer or Null in case of error
*/
readFile : function(/*Object*/entry) {
var item = getEntry(entry);
return item && item.getData() || null;
},
/**
* Asynchronous readFile
* @param entry ZipEntry object or String with the full path of the entry
* @param callback
*
* @return Buffer or Null in case of error
*/
readFileAsync : function(/*Object*/entry, /*Function*/callback) {
var item = getEntry(entry);
if (item) {
item.getDataAsync(callback);
} else {
callback(null,"getEntry failed for:" + entry)
}
},
/**
* Extracts the given entry from the archive and returns the content as plain text in the given encoding
* @param entry ZipEntry object or String with the full path of the entry
* @param encoding Optional. If no encoding is specified utf8 is used
*
* @return String
*/
readAsText : function(/*Object*/entry, /*String - Optional*/encoding) {
var item = getEntry(entry);
if (item) {
var data = item.getData();
if (data && data.length) {
return data.toString(encoding || "utf8");
}
}
return "";
},
/**
* Asynchronous readAsText
* @param entry ZipEntry object or String with the full path of the entry
* @param callback
* @param encoding Optional. If no encoding is specified utf8 is used
*
* @return String
*/
readAsTextAsync : function(/*Object*/entry, /*Function*/callback, /*String - Optional*/encoding) {
var item = getEntry(entry);
if (item) {
item.getDataAsync(function(data) {
if (data && data.length) {
callback(data.toString(encoding || "utf8"));
} else {
callback("");
}
})
} else {
callback("");
}
},
/**
* Remove the entry from the file or the entry and all it's nested directories and files if the given entry is a directory
*
* @param entry
*/
deleteFile : function(/*Object*/entry) { // @TODO: test deleteFile
var item = getEntry(entry);
if (item) {
_zip.deleteEntry(item.entryName);
}
},
/** ...n/a
EntryHeader = function () {
var _verMade = 0x0A,
_version = 0x0A,
_flags = 0,
_method = 0,
_time = 0,
_crc = 0,
_compressedSize = 0,
_size = 0,
_fnameLen = 0,
_extraLen = 0,
_comLen = 0,
_diskStart = 0,
_inattr = 0,
_attr = 0,
_offset = 0;
var _dataHeader = {};
function setTime(val) {
var val = new Date(val);
_time = (val.getFullYear() - 1980 & 0x7f) << 25 // b09-16 years from 1980
| (val.getMonth() + 1) << 21 // b05-08 month
| val.getDay() << 16 // b00-04 hour
// 2 bytes time
| val.getHours() << 11 // b11-15 hour
| val.getMinutes() << 5 // b05-10 minute
| val.getSeconds() >> 1; // b00-04 seconds divided by 2
}
setTime(+new Date());
return {
get made () { return _verMade; },
set made (val) { _verMade = val; },
get version () { return _version; },
set version (val) { _version = val },
get flags () { return _flags },
set flags (val) { _flags = val; },
get method () { return _method; },
set method (val) { _method = val; },
get time () { return new Date(
((_time >> 25) & 0x7f) + 1980,
((_time >> 21) & 0x0f) - 1,
(_time >> 16) & 0x1f,
(_time >> 11) & 0x1f,
(_time >> 5) & 0x3f,
(_time & 0x1f) << 1
);
},
set time (val) {
setTime(val);
},
get crc () { return _crc; },
set crc (val) { _crc = val; },
get compressedSize () { return _compressedSize; },
set compressedSize (val) { _compressedSize = val; },
get size () { return _size; },
set size (val) { _size = val; },
get fileNameLength () { return _fnameLen; },
set fileNameLength (val) { _fnameLen = val; },
get extraLength () { return _extraLen },
set extraLength (val) { _extraLen = val; },
get commentLength () { return _comLen },
set commentLength (val) { _comLen = val },
get diskNumStart () { return _diskStart },
set diskNumStart (val) { _diskStart = val },
get inAttr () { return _inattr },
set inAttr (val) { _inattr = val },
get attr () { return _attr },
set attr (val) { _attr = val },
get offset () { return _offset },
set offset (val) { _offset = val },
get encripted () { return (_flags & 1) == 1 },
get entryHeaderSize () {
return Constants.CENHDR + _fnameLen + _extraLen + _comLen;
},
get realDataOffset () {
return _offset + Constants.LOCHDR + _dataHeader.fnameLen + _dataHeader.extraLen;
},
get dataHeader () {
return _dataHeader;
},
loadDataHeaderFromBinary : function(/*Buffer*/input) {
var data = input.slice(_offset, _offset + Constants.LOCHDR);
// 30 bytes and should start with "PK\003\004"
if (data.readUInt32LE(0) != Constants.LOCSIG) {
throw Utils.Errors.INVALID_LOC;
}
_dataHeader = {
// version needed to extract
version : data.readUInt16LE(Constants.LOCVER),
// general purpose bit flag
flags : data.readUInt16LE(Constants.LOCFLG),
// compression method
method : data.readUInt16LE(Constants.LOCHOW),
// modification time (2 bytes time, 2 bytes date)
time : data.readUInt32LE(Constants.LOCTIM),
// uncompressed file crc-32 value
crc : data.readUInt32LE(Constants.LOCCRC),
// compressed size
compressedSize : data.readUInt32LE(Constants.LOCSIZ),
// uncompressed size ......
var Utils = require("./util"),
Headers = require("./headers"),
Constants = Utils.Constants,
Methods = require("./methods");
module.exports = function (/*Buffer*/input) {
var _entryHeader = new Headers.EntryHeader(),
_entryName = new Buffer(0),
_comment = new Buffer(0),
_isDirectory = false,
uncompressedData = null,
_extra = new Buffer(0);
function getCompressedDataFromZip() {
...MainHeader = function () {
var _volumeEntries = 0,
_totalEntries = 0,
_size = 0,
_offset = 0,
_commentLength = 0;
return {
get diskEntries () { return _volumeEntries },
set diskEntries (/*Number*/val) { _volumeEntries = _totalEntries = val; },
get totalEntries () { return _totalEntries },
set totalEntries (/*Number*/val) { _totalEntries = _volumeEntries = val; },
get size () { return _size },
set size (/*Number*/val) { _size = val; },
get offset () { return _offset },
set offset (/*Number*/val) { _offset = val; },
get commentLength () { return _commentLength },
set commentLength (/*Number*/val) { _commentLength = val; },
get mainHeaderSize () {
return Constants.ENDHDR + _commentLength;
},
loadFromBinary : function(/*Buffer*/data) {
// data should be 22 bytes and start with "PK 05 06"
if (data.length != Constants.ENDHDR || data.readUInt32LE(0) != Constants.ENDSIG)
throw Utils.Errors.INVALID_END;
// number of entries on this volume
_volumeEntries = data.readUInt16LE(Constants.ENDSUB);
// total number of entries
_totalEntries = data.readUInt16LE(Constants.ENDTOT);
// central directory size in bytes
_size = data.readUInt32LE(Constants.ENDSIZ);
// offset of first CEN header
_offset = data.readUInt32LE(Constants.ENDOFF);
// zip file comment length
_commentLength = data.readUInt16LE(Constants.ENDCOM);
},
toBinary : function() {
var b = new Buffer(Constants.ENDHDR + _commentLength);
// "PK 05 06" signature
b.writeUInt32LE(Constants.ENDSIG, 0);
b.writeUInt32LE(0, 4);
// number of entries on this volume
b.writeUInt16LE(_volumeEntries, Constants.ENDSUB);
// total number of entries
b.writeUInt16LE(_totalEntries, Constants.ENDTOT);
// central directory size in bytes
b.writeUInt32LE(_size, Constants.ENDSIZ);
// offset of first CEN header
b.writeUInt32LE(_offset, Constants.ENDOFF);
// zip file comment length
b.writeUInt16LE(_commentLength, Constants.ENDCOM);
// fill comment memory with spaces so no garbage is left there
b.fill(" ", Constants.ENDHDR);
return b;
},
toString : function() {
return '{\n' +
'\t"diskEntries" : ' + _volumeEntries + ",\n" +
'\t"totalEntries" : ' + _totalEntries + ",\n" +
'\t"size" : ' + _size + " bytes,\n" +
'\t"offset" : 0x' + _offset.toString(16).toUpperCase() + ",\n" +
'\t"commentLength" : 0x' + _commentLength + "\n" +
'}';
}
}
}...
module.exports = function(/*String|Buffer*/input, /*Number*/inputType) {
var entryList = [],
entryTable = {},
_comment = new Buffer(0),
filename = "",
fs = require("fs"),
inBuffer = null,
mainHeader = new Headers.MainHeader();
if (inputType == Utils.Constants.FILE) {
// is a filename
filename = input;
inBuffer = fs.readFileSync(filename);
readMainHeader();
} else if (inputType == Utils.Constants.BUFFER) {
...FileAttr = function (path) {
var _path = path || "",
_permissions = 0,
_obj = newAttr(),
_stat = null;
function newAttr() {
return {
directory : false,
readonly : false,
hidden : false,
executable : false,
mtime : 0,
atime : 0
}
}
if (_path && fs.existsSync(_path)) {
_stat = fs.statSync(_path);
_obj.directory = _stat.isDirectory();
_obj.mtime = _stat.mtime;
_obj.atime = _stat.atime;
_obj.executable = !!(1 & parseInt ((_stat.mode & parseInt ("777", 8)).toString (8)[0]));
_obj.readonly = !!(2 & parseInt ((_stat.mode & parseInt ("777", 8)).toString (8)[0]));
_obj.hidden = pth.basename(_path)[0] === ".";
} else {
console.warn("Invalid path: " + _path)
}
return {
get directory () {
return _obj.directory;
},
get readOnly () {
return _obj.readonly;
},
get hidden () {
return _obj.hidden;
},
get mtime () {
return _obj.mtime;
},
get atime () {
return _obj.atime;
},
get executable () {
return _obj.executable;
},
decodeAttributes : function(val) {
},
encodeAttributes : function (val) {
},
toString : function() {
return '{\n' +
'\t"path" : "' + _path + ",\n" +
'\t"isDirectory" : ' + _obj.directory + ",\n" +
'\t"isReadOnly" : ' + _obj.readonly + ",\n" +
'\t"isHidden" : ' + _obj.hidden + ",\n" +
'\t"isExecutable" : ' + _obj.executable + ",\n" +
'\t"mTime" : ' + _obj.mtime + "\n" +
'\t"aTime" : ' + _obj.atime + "\n" +
'}';
}
}
}n/a
crc32 = function (buf) {
var b = new Buffer(4);
if (!crcTable.length) {
for (var n = 0; n < 256; n++) {
var c = n;
for (var k = 8; --k >= 0;) //
if ((c & 1) != 0) { c = 0xedb88320 ^ (c >>> 1); } else { c = c >>> 1; }
if (c < 0) {
b.writeInt32LE(c, 0);
c = b.readUInt32LE(0);
}
crcTable[n] = c;
}
}
var crc = 0, off = 0, len = buf.length, c1 = ~crc;
while(--len >= 0) c1 = crcTable[(c1 ^ buf[off++]) & 0xff] ^ (c1 >>> 8);
crc = ~c1;
b.writeInt32LE(crc & 0xffffffff, 0);
return b.readUInt32LE(0);
}...
_entryHeader.loadDataHeaderFromBinary(input);
return input.slice(_entryHeader.realDataOffset, _entryHeader.realDataOffset + _entryHeader.compressedSize)
}
function crc32OK(data) {
// if bit 3 (0x08) of the general-purpose flags field is set, then the CRC-32 and file sizes are not known when the header is
written
if (_entryHeader.flags & 0x8 != 0x8) {
if (Utils.crc32(data) != _entryHeader.crc) {
return false;
}
} else {
// @TODO: load and check data descriptor header
// The fields in the local header are filled with zero, and the CRC-32 and size are appended in a 12-byte structure
// (optionally preceded by a 4-byte signature) immediately after the compressed data:
}
...findFiles = function (path) {
return findSync(path, true);
}...
localPath = localPath.split("\\").join("/"); //windows fix
localPath = pth.normalize(localPath);
if (localPath.charAt(localPath.length - 1) != "/")
localPath += "/";
if (fs.existsSync(localPath)) {
var items = Utils.findFiles(localPath),
self = this;
if (items.length) {
items.forEach(function(path) {
var p = path.split("\\").join("/").replace( new RegExp(localPath, 'i'), ""); //windows
fix
if (filter(p)) {
if (p.charAt(p.length - 1) !== "/") {
...getAttributes = function (path) {
}n/a
makeDir = function (path) {
mkdirSync(path);
}...
overwrite = overwrite || false;
if (!_zip) {
throw Utils.Errors.NO_ZIP;
}
_zip.entries.forEach(function(entry) {
if (entry.isDirectory) {
Utils.makeDir(pth.resolve(targetPath, entry.entryName.toString()));
return;
}
var content = entry.getData();
if (!content) {
throw Utils.Errors.CANT_EXTRACT_FILE + "2";
}
Utils.writeFileTo(pth.resolve(targetPath, entry.entryName.toString()), content, overwrite);
...methodToString = function (method) {
switch (method) {
case Constants.STORED:
return 'STORED (' + method + ')';
case Constants.DEFLATED:
return 'DEFLATED (' + method + ')';
default:
return 'UNSUPPORTED (' + method + ')';
}
}...
},
toString : function() {
return '{\n' +
'\t"made" : ' + _verMade + ",\n" +
'\t"version" : ' + _version + ",\n" +
'\t"flags" : ' + _flags + ",\n" +
'\t"method" : ' + Utils.methodToString(_method) + ",\n" +
'\t"time" : ' + _time + ",\n" +
'\t"crc" : 0x' + _crc.toString(16).toUpperCase() + ",\n" +
'\t"compressedSize" : ' + _compressedSize + " bytes,\n" +
'\t"size" : ' + _size + " bytes,\n" +
'\t"fileNameLength" : ' + _fnameLen + ",\n" +
'\t"extraLength" : ' + _extraLen + " bytes,\n" +
'\t"commentLength" : ' + _comLen + " bytes,\n" +
...setAttributes = function (path) {
}n/a
toBuffer = function (input) {
if (Buffer.isBuffer(input)) {
return input;
} else {
if (input.length == 0) {
return new Buffer(0)
}
return new Buffer(input, 'utf8');
}
}...
var zip = new AdmZip();
// add file directly
zip.addFile("test.txt", new Buffer("inner content of the file"), "entry comment goes here");
// add local file
zip.addLocalFile("/home/me/some_picture.png");
// get everything as a buffer
var willSendthis = zip.toBuffer();
// or write everything to disk
zip.writeZip(/*target file name*/"/home/me/files.zip");
// ... more examples in the wiki
```
...writeFileTo = function (path, content, overwrite, attr) {
if (fs.existsSync(path)) {
if (!overwrite)
return false; // cannot overwite
var stat = fs.statSync(path);
if (stat.isDirectory()) {
return false;
}
}
var folder = pth.dirname(path);
if (!fs.existsSync(folder)) {
mkdirSync(folder);
}
var fd;
try {
fd = fs.openSync(path, 'w', 438); // 0666
} catch(e) {
fs.chmodSync(path, 438);
fd = fs.openSync(path, 'w', 438);
}
if (fd) {
fs.writeSync(fd, content, 0, content.length, 0);
fs.closeSync(fd);
}
fs.chmodSync(path, attr || 438);
return true;
}...
var children = _zip.getEntryChildren(item);
children.forEach(function(child) {
if (child.isDirectory) return;
var content = child.getData();
if (!content) {
throw Utils.Errors.CANT_EXTRACT_FILE;
}
Utils.writeFileTo(pth.resolve(targetPath, maintainEntryPath ? child.entryName
: child.entryName.substr(item.entryName.length)), content, overwrite);
});
return true;
}
var content = item.getData();
if (!content) throw Utils.Errors.CANT_EXTRACT_FILE;
...writeFileToAsync = function (path, content, overwrite, attr, callback) {
if(typeof attr === 'function') {
callback = attr;
attr = undefined;
}
fs.exists(path, function(exists) {
if(exists && !overwrite)
return callback(false);
fs.stat(path, function(err, stat) {
if(exists &&stat.isDirectory()) {
return callback(false);
}
var folder = pth.dirname(path);
fs.exists(folder, function(exists) {
if(!exists)
mkdirSync(folder);
fs.open(path, 'w', 438, function(err, fd) {
if(err) {
fs.chmod(path, 438, function(err) {
fs.open(path, 'w', 438, function(err, fd) {
fs.write(fd, content, 0, content.length, 0, function(err, written, buffer) {
fs.close(fd, function(err) {
fs.chmod(path, attr || 438, function() {
callback(true);
})
});
});
});
})
} else {
if(fd) {
fs.write(fd, content, 0, content.length, 0, function(err, written, buffer) {
fs.close(fd, function(err) {
fs.chmod(path, attr || 438, function() {
callback(true);
})
});
});
} else {
fs.chmod(path, attr || 438, function() {
callback(true);
})
}
}
});
})
})
})
}...
entry.getDataAsync(function(content) {
if(i <= 0) return;
if (!content) {
i = 0;
callback(new Error(Utils.Errors.CANT_EXTRACT_FILE + "2"));
return;
}
Utils.writeFileToAsync(pth.resolve(targetPath, entry.entryName.toString
()), content, overwrite, function(succ) {
if(i <= 0) return;
if(!succ) {
i = 0;
callback(new Error('Unable to write'));
return;
}
...