From 2c30652840889cd2e1c5e15574e93aefdb720fcf Mon Sep 17 00:00:00 2001 From: Alex Xu Date: Sat, 6 Dec 2014 23:52:16 -0500 Subject: Initial commit --- .gitignore | 1 + LICENSE.txt | 645 ++++++++++++++ makexpi.sh | 22 + src/bootstrap.js | 171 ++++ src/chrome.manifest | 2 + src/chrome/content/options.xul | 7 + src/chrome/locale/en/options.dtd | 1 + src/defaults/preferences/preferences.js | 1 + src/install.rdf | 26 + utils/create_xpi.py | 38 + utils/zipfile_deterministic.py | 1444 +++++++++++++++++++++++++++++++ 11 files changed, 2358 insertions(+) create mode 100644 .gitignore create mode 100644 LICENSE.txt create mode 100755 makexpi.sh create mode 100644 src/bootstrap.js create mode 100644 src/chrome.manifest create mode 100644 src/chrome/content/options.xul create mode 100644 src/chrome/locale/en/options.dtd create mode 100644 src/defaults/preferences/preferences.js create mode 100644 src/install.rdf create mode 100755 utils/create_xpi.py create mode 100644 utils/zipfile_deterministic.py diff --git a/.gitignore b/.gitignore new file mode 100644 index 0000000..01d0a08 --- /dev/null +++ b/.gitignore @@ -0,0 +1 @@ +pkg/ diff --git a/LICENSE.txt b/LICENSE.txt new file mode 100644 index 0000000..191a09b --- /dev/null +++ b/LICENSE.txt @@ -0,0 +1,645 @@ +The following files are made available under the MIT license: + - utils/create_xpi.py + - utils/zipfile_deterministic.py + +Permission is hereby granted, free of charge, to any person obtaining a copy +of this software and associated documentation files (the "Software"), to deal +in the Software without restriction, including without limitation the rights +to use, copy, modify, merge, publish, distribute, sublicense, and/or sell +copies of the Software, and to permit persons to whom the Software is +furnished to do so, subject to the following conditions: + +The above copyright notice and this permission notice shall be included in all +copies or substantial portions of the Software. + +THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. 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Disclaimer of Warranty. + + THERE IS NO WARRANTY FOR THE PROGRAM, TO THE EXTENT PERMITTED BY +APPLICABLE LAW. EXCEPT WHEN OTHERWISE STATED IN WRITING THE COPYRIGHT +HOLDERS AND/OR OTHER PARTIES PROVIDE THE PROGRAM "AS IS" WITHOUT WARRANTY +OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING, BUT NOT LIMITED TO, +THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR +PURPOSE. THE ENTIRE RISK AS TO THE QUALITY AND PERFORMANCE OF THE PROGRAM +IS WITH YOU. SHOULD THE PROGRAM PROVE DEFECTIVE, YOU ASSUME THE COST OF +ALL NECESSARY SERVICING, REPAIR OR CORRECTION. + + 16. Limitation of Liability. + + IN NO EVENT UNLESS REQUIRED BY APPLICABLE LAW OR AGREED TO IN WRITING +WILL ANY COPYRIGHT HOLDER, OR ANY OTHER PARTY WHO MODIFIES AND/OR CONVEYS +THE PROGRAM AS PERMITTED ABOVE, BE LIABLE TO YOU FOR DAMAGES, INCLUDING ANY +GENERAL, SPECIAL, INCIDENTAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THE +USE OR INABILITY TO USE THE PROGRAM (INCLUDING BUT NOT LIMITED TO LOSS OF +DATA OR DATA BEING RENDERED INACCURATE OR LOSSES SUSTAINED BY YOU OR THIRD +PARTIES OR A FAILURE OF THE PROGRAM TO OPERATE WITH ANY OTHER PROGRAMS), +EVEN IF SUCH HOLDER OR OTHER PARTY HAS BEEN ADVISED OF THE POSSIBILITY OF +SUCH DAMAGES. + + 17. Interpretation of Sections 15 and 16. + + If the disclaimer of warranty and limitation of liability provided +above cannot be given local legal effect according to their terms, +reviewing courts shall apply local law that most closely approximates +an absolute waiver of all civil liability in connection with the +Program, unless a warranty or assumption of liability accompanies a +copy of the Program in return for a fee. diff --git a/makexpi.sh b/makexpi.sh new file mode 100755 index 0000000..7ed4bdd --- /dev/null +++ b/makexpi.sh @@ -0,0 +1,22 @@ +#!/bin/sh +set -e + +cd "$(dirname $0)" + +version="$(grep em:version src/install.rdf)" +version="${version#*}" +version="${version%*}" +XPI_NAME="pkg/${PWD##*/}-$version~$(git rev-parse --short HEAD)" +if ! git diff-index --quiet HEAD; then + XPI_NAME="$XPI_NAME-dirty" +fi +XPI_NAME="${XPI_NAME}.xpi" + +[ -d pkg ] || mkdir pkg + +cd src + +# Build the XPI! +rm -f "../$XPI_NAME" + +exec python2 ../utils/create_xpi.py -n "../$XPI_NAME" "." diff --git a/src/bootstrap.js b/src/bootstrap.js new file mode 100644 index 0000000..2625c92 --- /dev/null +++ b/src/bootstrap.js @@ -0,0 +1,171 @@ +const PORT = 26001; + +if (typeof EIB === "undefined") + var EIB = { + headers: {}, + pending: [] + }; + +const Cc = Components.classes, Ci = Components.interfaces, Cu = Components.utils, CC = Components.Constructor, Cr = Components.results; +const ScriptableInputStream = CC("@mozilla.org/scriptableinputstream;1", "nsIScriptableInputStream", "init"); + +Cu.import("resource://gre/modules/Services.jsm"); + +function install() {} +function uninstall() {} + +EIB.listen = function () { + this.serverSocket = Cc["@mozilla.org/network/server-socket;1"] + .createInstance(Ci.nsIServerSocket); + this.serverSocket.init(PORT, true, -1); + const tm = Cc["@mozilla.org/thread-manager;1"].getService(); + this.serverSocket.asyncListen({ + onSocketAccepted: function (socket, transport) { + var is = transport.openInputStream(0, 0, 0); + var os = transport.openOutputStream(Ci.nsITransport.OPEN_BLOCKING, 0, 0); + var sis = new ScriptableInputStream(is); + var buf = ""; + // TODO: run on separate thread + is.asyncWait({ + onInputStreamReady: function () { + while (sis.available()) { + buf += sis.read(2048); + } + if (buf.indexOf("\n\n") !== 2) { + var headers = {}; + var rx = /\n(EVE_[^:]*): (.*)$/gm, arr; + while ((arr = rx.exec(buf)) !== null) { + headers[arr[1]] = arr[2]; + } + EIB.headers = headers; + + var resp = "HTTP/1.0 200 OK\r\n"; + resp += "Content-Type: text/html\r\n\r\n"; + resp += "EVE-IGB Bridge"; + if (headers["EVE_TRUSTED"]) { + resp += ""; + resp += headers["EVE_TRUSTED"] == "Yes" ? + "Connected to the EVE-IGB Bridge. Please do not close this window. You may minimize it, however. Note that this window will refresh repeatedly; this does not indicate a malfunction and will not count towards your internet data usage if you have one." : + "Please grant trust to this site, then refresh the page."; + resp += ""; + } else { + resp += "Please open this page in the EVE in-game browser."; + } + os.write(resp, resp.length); + + is.close(); + os.close(); + } + } + }, 0, 0, tm.mainThread); + } + }); +} + +var HttpObserver = { + observe: function (subject, topic, data) { + var channel = subject.QueryInterface(Ci.nsIHttpChannel); + // TODO: is this secure? + if (checkTrusted(channel.URI.specIgnoringRef)) { + for (var header in EIB.headers) { + channel.setRequestHeader(header, EIB.headers[header], false); + } + } + } +}; + +function forEachOpenWindow(todo) { + var windows = Services.wm.getEnumerator("navigator:browser"); + while (windows.hasMoreElements()) + todo(windows.getNext().QueryInterface(Ci.nsIDOMWindow)); +} + +var WindowListener = { + onOpenWindow: function(xulWindow) + { + var window = xulWindow.QueryInterface(Ci.nsIInterfaceRequestor) + .getInterface(Ci.nsIDOMWindow); + function onWindowLoad() + { + window.removeEventListener("load", onWindowLoad); + if (window.document.documentElement.getAttribute("windowtype") == "navigator:browser") + loadIntoWindow(window); + } + window.addEventListener("load", onWindowLoad); + }, + onCloseWindow: function(xulWindow) {}, + onWindowTitleChange: function(xulWindow, newTitle) {} +}; + +var TrustedReparser = { + observe: function () { + EIB.trusted = JSON.parse(EIB.prefs.getCharPref("trusted")); + } +}; + +function startup(data, reason) { + EIB.listen(); + + EIB.prefs = Services.prefs.getBranch("extensions.eib."); + EIB.prefs.addObserver("trusted", TrustedReparser, false); + reparseTrusted(); + + forEachOpenWindow(loadIntoWindow); + Services.wm.addListener(WindowListener); + + Services.obs.addObserver(HttpObserver, "http-on-modify-request", false); +} + +function shutdown(data, reason) { + if (reason === APP_SHUTDOWN) + return; + + if (EIB.serverSocket) + EIB.serverSocket.close(); + delete EIB.serverSocket; + + EIB.prefs.removeObserver("trusted", TrustedReparser); + + forEachOpenWindow(unloadFromWindow); + Services.wm.removeListener(WindowListener); + + Services.obs.removeObserver(HttpObserver, "http-on-modify-request"); +} + +function checkTrusted(href) { + for (var i = 0; i < EIB.trusted.length; i++) + if (href.indexOf(EIB.trusted[i]) === 0) + return true; + return false; +} + +function injectCCPEVE(e) { + var window = e.originalTarget.defaultView; + if (checkTrusted(window.location.href)) { + var CCPEVE = Cu.createObjectIn(window, {defineAs: "CCPEVE"}); + ["openEveMail", "showInfo", "showPreview", "showRouteTo", "showMap", "showFitting", "showContract", "showMarketDetails", "setDestination", "addWaypoint", "joinChannel", "joinMailingList", "createContract", "buyType", "findInContracts", "addToMarketQuickBar", "addContact", "removeContact", "addCorpContact", "removeCorpContact", "block", "addBounty", "inviteToFleet", "startConversation", "showContracts", "showOnMap", "editMember", "awardDecoration", "sendMail", "showContents", "bookmark"].forEach(function (n) { + Cu.exportFunction(function () { + EIB.pending.push('CCPEVE.' + n + '(' + Array.prototype.join.call(arguments, ',') + ');'); + return null; + }, CCPEVE, {defineAs: n}); + }); + } +} + +function loadIntoWindow(window) { + window.document.getElementById("appcontent").addEventListener("DOMContentLoaded", injectCCPEVE, false); +} + +function unloadFromWindow(window) { + window.document.getElementById("appcontent").removeEventListener("DOMContentLoaded", injectCCPEVE, false); +} diff --git a/src/chrome.manifest b/src/chrome.manifest new file mode 100644 index 0000000..87c823b --- /dev/null +++ b/src/chrome.manifest @@ -0,0 +1,2 @@ +content eib chrome/content/ +locale eib en chrome/locale/en/ diff --git a/src/chrome/content/options.xul b/src/chrome/content/options.xul new file mode 100644 index 0000000..29543ba --- /dev/null +++ b/src/chrome/content/options.xul @@ -0,0 +1,7 @@ + + + + + + + diff --git a/src/chrome/locale/en/options.dtd b/src/chrome/locale/en/options.dtd new file mode 100644 index 0000000..d5e8503 --- /dev/null +++ b/src/chrome/locale/en/options.dtd @@ -0,0 +1 @@ + diff --git a/src/defaults/preferences/preferences.js b/src/defaults/preferences/preferences.js new file mode 100644 index 0000000..baa73a8 --- /dev/null +++ b/src/defaults/preferences/preferences.js @@ -0,0 +1 @@ +pref("extensions.eib.trusted", "[]"); diff --git a/src/install.rdf b/src/install.rdf new file mode 100644 index 0000000..9295bbd --- /dev/null +++ b/src/install.rdf @@ -0,0 +1,26 @@ + + + + + + {b0bdf19d-9121-4bad-a13c-e47654633be9} + EVE-IGB Bridge + Bridges EVE-IGB headers and JS functions securely + 0.1 + Alex Xu (Hello71) + 2 + true + chrome://eib/content/options.xul + 2 + + + + + {ec8030f7-c20a-464f-9b0e-13a3a9e97384} + 4.* + 10.* + + + + diff --git a/utils/create_xpi.py b/utils/create_xpi.py new file mode 100755 index 0000000..e14cd49 --- /dev/null +++ b/utils/create_xpi.py @@ -0,0 +1,38 @@ +#!/usr/bin/env python2.7 + +# Uses the Python zip implementation to create deterministic XPI's +# Author: Yan Zhu, yan@mit.edu + +""" +Usage: python create_xpi.py -x -n +""" + +import argparse +import zipfile_deterministic as zipfile +import sys +import glob + +parser = argparse.ArgumentParser( + description="Deterministic XPI file creator.") +parser.add_argument("-x", type=str, nargs="?", + dest="exclusions", metavar="File with file pattern exclusions", + default=".build_exclusions", help="Excluded file patterns.") +parser.add_argument("-n", type=str, + dest="xpiname", help="Name of target XPI file.") +parser.add_argument("directory", type=str, + help="Directory to compress.") + +args = parser.parse_args() + +exclusions = [] +with open(args.exclusions) as f: + for line in f: + exclusions.extend(glob.glob(line.strip())) +exclusions = map(lambda x: './'+x, exclusions) + +compress = zipfile.ZIP_DEFLATED + +xpiFile = zipfile.ZipFile(args.xpiname, mode='w', compression=compress) + +xpiFile.write_from_directory(args.directory, exclusions, compress_type=compress) +xpiFile.close() diff --git a/utils/zipfile_deterministic.py b/utils/zipfile_deterministic.py new file mode 100644 index 0000000..46d91b2 --- /dev/null +++ b/utils/zipfile_deterministic.py @@ -0,0 +1,1444 @@ +#!/usr/bin/env python2.7 +""" +A fork of the Zipfile module to read and write ZIP files from Python 2.6. +This module aims to create deterministic, byte-for-byte identical zip files. + +Author: Yan Zhu, yan@mit.edu + +Derived from Python 2.6, Copyright (c) 2001, 2002, 2003, 2004, 2005, 2006 +Python Software Foundation; All Rights Reserved, License at +http://www.python.org/download/releases/2.6/license/ +""" + +import struct, os, time, sys, shutil +import binascii, cStringIO, stat +import unicodedata + +try: + import zlib # We may need its compression method + crc32 = zlib.crc32 +except ImportError: + zlib = None + crc32 = binascii.crc32 + +__all__ = ["BadZipfile", "error", "ZIP_STORED", "ZIP_DEFLATED", "is_zipfile", + "ZipInfo", "ZipFile", "PyZipFile", "LargeZipFile" ] + +class BadZipfile(Exception): + pass + + +class LargeZipFile(Exception): + """ + Raised when writing a zipfile, the zipfile requires ZIP64 extensions + and those extensions are disabled. + """ + +error = BadZipfile # The exception raised by this module + +ZIP64_LIMIT = (1 << 31) - 1 +ZIP_FILECOUNT_LIMIT = 1 << 16 +ZIP_MAX_COMMENT = (1 << 16) - 1 + +# constants for Zip file compression methods +ZIP_STORED = 0 +ZIP_DEFLATED = 8 +# Other ZIP compression methods not supported + +DEFAULT_DATE = (1980,1,1,0,0,0) # hard-coded timestamp + +# Below are some formats and associated data for reading/writing headers using +# the struct module. The names and structures of headers/records are those used +# in the PKWARE description of the ZIP file format: +# http://www.pkware.com/documents/casestudies/APPNOTE.TXT +# (URL valid as of January 2008) + +# The "end of central directory" structure, magic number, size, and indices +# (section V.I in the format document) +structEndArchive = "<4s4H2LH" +stringEndArchive = "PK\005\006" +sizeEndCentDir = struct.calcsize(structEndArchive) + +_ECD_SIGNATURE = 0 +_ECD_DISK_NUMBER = 1 +_ECD_DISK_START = 2 +_ECD_ENTRIES_THIS_DISK = 3 +_ECD_ENTRIES_TOTAL = 4 +_ECD_SIZE = 5 +_ECD_OFFSET = 6 +_ECD_COMMENT_SIZE = 7 +# These last two indices are not part of the structure as defined in the +# spec, but they are used internally by this module as a convenience +_ECD_COMMENT = 8 +_ECD_LOCATION = 9 + +# The "central directory" structure, magic number, size, and indices +# of entries in the structure (section V.F in the format document) +structCentralDir = "<4s4B4HL2L5H2L" +stringCentralDir = "PK\001\002" +sizeCentralDir = struct.calcsize(structCentralDir) + +# indexes of entries in the central directory structure +_CD_SIGNATURE = 0 +_CD_CREATE_VERSION = 1 +_CD_CREATE_SYSTEM = 2 +_CD_EXTRACT_VERSION = 3 +_CD_EXTRACT_SYSTEM = 4 +_CD_FLAG_BITS = 5 +_CD_COMPRESS_TYPE = 6 +_CD_TIME = 7 +_CD_DATE = 8 +_CD_CRC = 9 +_CD_COMPRESSED_SIZE = 10 +_CD_UNCOMPRESSED_SIZE = 11 +_CD_FILENAME_LENGTH = 12 +_CD_EXTRA_FIELD_LENGTH = 13 +_CD_COMMENT_LENGTH = 14 +_CD_DISK_NUMBER_START = 15 +_CD_INTERNAL_FILE_ATTRIBUTES = 16 +_CD_EXTERNAL_FILE_ATTRIBUTES = 17 +_CD_LOCAL_HEADER_OFFSET = 18 + +# The "local file header" structure, magic number, size, and indices +# (section V.A in the format document) +structFileHeader = "<4s2B4HL2L2H" +stringFileHeader = "PK\003\004" +sizeFileHeader = struct.calcsize(structFileHeader) + +_FH_SIGNATURE = 0 +_FH_EXTRACT_VERSION = 1 +_FH_EXTRACT_SYSTEM = 2 +_FH_GENERAL_PURPOSE_FLAG_BITS = 3 +_FH_COMPRESSION_METHOD = 4 +_FH_LAST_MOD_TIME = 5 +_FH_LAST_MOD_DATE = 6 +_FH_CRC = 7 +_FH_COMPRESSED_SIZE = 8 +_FH_UNCOMPRESSED_SIZE = 9 +_FH_FILENAME_LENGTH = 10 +_FH_EXTRA_FIELD_LENGTH = 11 + +# The "Zip64 end of central directory locator" structure, magic number, and size +structEndArchive64Locator = "<4sLQL" +stringEndArchive64Locator = "PK\x06\x07" +sizeEndCentDir64Locator = struct.calcsize(structEndArchive64Locator) + +# The "Zip64 end of central directory" record, magic number, size, and indices +# (section V.G in the format document) +structEndArchive64 = "<4sQ2H2L4Q" +stringEndArchive64 = "PK\x06\x06" +sizeEndCentDir64 = struct.calcsize(structEndArchive64) + +_CD64_SIGNATURE = 0 +_CD64_DIRECTORY_RECSIZE = 1 +_CD64_CREATE_VERSION = 2 +_CD64_EXTRACT_VERSION = 3 +_CD64_DISK_NUMBER = 4 +_CD64_DISK_NUMBER_START = 5 +_CD64_NUMBER_ENTRIES_THIS_DISK = 6 +_CD64_NUMBER_ENTRIES_TOTAL = 7 +_CD64_DIRECTORY_SIZE = 8 +_CD64_OFFSET_START_CENTDIR = 9 + +def normalize_unicode(filename): + """For dealing with different unicode normalizations in filenames.""" + return unicodedata.normalize('NFC', unicode(filename, 'utf-8')).encode('utf-8') + +def standardize_filename(filename): + """Get OS-independent form of filename""" + # This is used to ensure paths in generated ZIP files always use + # forward slashes as the directory separator, as required by the + # ZIP format specification. + if os.sep != "/" and os.sep in filename: + filename = filename.replace(os.sep, "/") + return normalize_unicode(filename) + +def is_zipfile(filename): + """Quickly see if file is a ZIP file by checking the magic number.""" + try: + fpin = open(filename, "rb") + endrec = _EndRecData(fpin) + fpin.close() + if endrec: + return True # file has correct magic number + except IOError: + pass + return False + +def _EndRecData64(fpin, offset, endrec): + """ + Read the ZIP64 end-of-archive records and use that to update endrec + """ + fpin.seek(offset - sizeEndCentDir64Locator, 2) + data = fpin.read(sizeEndCentDir64Locator) + sig, diskno, reloff, disks = struct.unpack(structEndArchive64Locator, data) + if sig != stringEndArchive64Locator: + return endrec + + if diskno != 0 or disks != 1: + raise BadZipfile("zipfiles that span multiple disks are not supported") + + # Assume no 'zip64 extensible data' + fpin.seek(offset - sizeEndCentDir64Locator - sizeEndCentDir64, 2) + data = fpin.read(sizeEndCentDir64) + sig, sz, create_version, read_version, disk_num, disk_dir, \ + dircount, dircount2, dirsize, diroffset = \ + struct.unpack(structEndArchive64, data) + if sig != stringEndArchive64: + return endrec + + # Update the original endrec using data from the ZIP64 record + endrec[_ECD_SIGNATURE] = sig + endrec[_ECD_DISK_NUMBER] = disk_num + endrec[_ECD_DISK_START] = disk_dir + endrec[_ECD_ENTRIES_THIS_DISK] = dircount + endrec[_ECD_ENTRIES_TOTAL] = dircount2 + endrec[_ECD_SIZE] = dirsize + endrec[_ECD_OFFSET] = diroffset + return endrec + + +def _EndRecData(fpin): + """Return data from the "End of Central Directory" record, or None. + + The data is a list of the nine items in the ZIP "End of central dir" + record followed by a tenth item, the file seek offset of this record.""" + + # Determine file size + fpin.seek(0, 2) + filesize = fpin.tell() + + # Check to see if this is ZIP file with no archive comment (the + # "end of central directory" structure should be the last item in the + # file if this is the case). + try: + fpin.seek(-sizeEndCentDir, 2) + except IOError: + return None + data = fpin.read() + if data[0:4] == stringEndArchive and data[-2:] == "\000\000": + # the signature is correct and there's no comment, unpack structure + endrec = struct.unpack(structEndArchive, data) + endrec=list(endrec) + + # Append a blank comment and record start offset + endrec.append("") + endrec.append(filesize - sizeEndCentDir) + + # Try to read the "Zip64 end of central directory" structure + return _EndRecData64(fpin, -sizeEndCentDir, endrec) + + # Either this is not a ZIP file, or it is a ZIP file with an archive + # comment. Search the end of the file for the "end of central directory" + # record signature. The comment is the last item in the ZIP file and may be + # up to 64K long. It is assumed that the "end of central directory" magic + # number does not appear in the comment. + maxCommentStart = max(filesize - (1 << 16) - sizeEndCentDir, 0) + fpin.seek(maxCommentStart, 0) + data = fpin.read() + start = data.rfind(stringEndArchive) + if start >= 0: + # found the magic number; attempt to unpack and interpret + recData = data[start:start+sizeEndCentDir] + endrec = list(struct.unpack(structEndArchive, recData)) + comment = data[start+sizeEndCentDir:] + # check that comment length is correct + if endrec[_ECD_COMMENT_SIZE] == len(comment): + # Append the archive comment and start offset + endrec.append(comment) + endrec.append(maxCommentStart + start) + + # Try to read the "Zip64 end of central directory" structure + return _EndRecData64(fpin, maxCommentStart + start - filesize, + endrec) + + # Unable to find a valid end of central directory structure + return + + +class ZipInfo (object): + """Class with attributes describing each file in the ZIP archive.""" + + __slots__ = ( + 'orig_filename', + 'filename', + 'date_time', + 'compress_type', + 'comment', + 'extra', + 'create_system', + 'create_version', + 'extract_version', + 'reserved', + 'flag_bits', + 'volume', + 'internal_attr', + 'external_attr', + 'header_offset', + 'CRC', + 'compress_size', + 'file_size', + '_raw_time', + ) + + def __init__(self, filename="NoName", date_time=DEFAULT_DATE): + self.orig_filename = filename # Original file name in archive + + # Terminate the file name at the first null byte. Null bytes in file + # names are used as tricks by viruses in archives. + null_byte = filename.find(chr(0)) + if null_byte >= 0: + filename = filename[0:null_byte] + # This is used to ensure paths in generated ZIP files always use + # forward slashes as the directory separator, as required by the + # ZIP format specification. + self.filename = standardize_filename(filename) # Normalized file name + self.date_time = date_time # year, month, day, hour, min, sec + # Standard values: + self.compress_type = ZIP_STORED # Type of compression for the file + self.comment = "" # Comment for each file + self.extra = "" # ZIP extra data + if sys.platform == 'win32': + self.create_system = 0 # System which created ZIP archive + else: + # Assume everything else is unix-y + self.create_system = 3 # System which created ZIP archive + self.create_version = 20 # Version which created ZIP archive + self.extract_version = 20 # Version needed to extract archive + self.reserved = 0 # Must be zero + self.flag_bits = 0 # ZIP flag bits + self.volume = 0 # Volume number of file header + self.internal_attr = 0 # Internal attributes + self.external_attr = 0 # External file attributes + # Other attributes are set by class ZipFile: + # header_offset Byte offset to the file header + # CRC CRC-32 of the uncompressed file + # compress_size Size of the compressed file + # file_size Size of the uncompressed file + + def FileHeader(self): + """Return the per-file header as a string.""" + dt = self.date_time + dosdate = (dt[0] - 1980) << 9 | dt[1] << 5 | dt[2] + dostime = dt[3] << 11 | dt[4] << 5 | (dt[5] // 2) + if self.flag_bits & 0x08: + # Set these to zero because we write them after the file data + CRC = compress_size = file_size = 0 + else: + CRC = self.CRC + compress_size = self.compress_size + file_size = self.file_size + + extra = self.extra + + if file_size > ZIP64_LIMIT or compress_size > ZIP64_LIMIT: + # File is larger than what fits into a 4 byte integer, + # fall back to the ZIP64 extension + fmt = '= 24: + counts = unpack('> 1) & 0x7FFFFFFF) ^ poly + else: + crc = ((crc >> 1) & 0x7FFFFFFF) + table[i] = crc + return table + crctable = _GenerateCRCTable() + + def _crc32(self, ch, crc): + """Compute the CRC32 primitive on one byte.""" + return ((crc >> 8) & 0xffffff) ^ self.crctable[(crc ^ ord(ch)) & 0xff] + + def __init__(self, pwd): + self.key0 = 305419896 + self.key1 = 591751049 + self.key2 = 878082192 + for p in pwd: + self._UpdateKeys(p) + + def _UpdateKeys(self, c): + self.key0 = self._crc32(c, self.key0) + self.key1 = (self.key1 + (self.key0 & 255)) & 4294967295 + self.key1 = (self.key1 * 134775813 + 1) & 4294967295 + self.key2 = self._crc32(chr((self.key1 >> 24) & 255), self.key2) + + def __call__(self, c): + """Decrypt a single character.""" + c = ord(c) + k = self.key2 | 2 + c = c ^ (((k * (k^1)) >> 8) & 255) + c = chr(c) + self._UpdateKeys(c) + return c + +class ZipExtFile: + """File-like object for reading an archive member. + Is returned by ZipFile.open(). + """ + + def __init__(self, fileobj, zipinfo, decrypt=None): + self.fileobj = fileobj + self.decrypter = decrypt + self.bytes_read = 0L + self.rawbuffer = '' + self.readbuffer = '' + self.linebuffer = '' + self.eof = False + self.univ_newlines = False + self.nlSeps = ("\n", ) + self.lastdiscard = '' + + self.compress_type = zipinfo.compress_type + self.compress_size = zipinfo.compress_size + + self.closed = False + self.mode = "r" + self.name = zipinfo.filename + + # read from compressed files in 64k blocks + self.compreadsize = 64*1024 + if self.compress_type == ZIP_DEFLATED: + self.dc = zlib.decompressobj(-15) + + def set_univ_newlines(self, univ_newlines): + self.univ_newlines = univ_newlines + + # pick line separator char(s) based on universal newlines flag + self.nlSeps = ("\n", ) + if self.univ_newlines: + self.nlSeps = ("\r\n", "\r", "\n") + + def __iter__(self): + return self + + def next(self): + nextline = self.readline() + if not nextline: + raise StopIteration() + + return nextline + + def close(self): + self.closed = True + + def _checkfornewline(self): + nl, nllen = -1, -1 + if self.linebuffer: + # ugly check for cases where half of an \r\n pair was + # read on the last pass, and the \r was discarded. In this + # case we just throw away the \n at the start of the buffer. + if (self.lastdiscard, self.linebuffer[0]) == ('\r','\n'): + self.linebuffer = self.linebuffer[1:] + + for sep in self.nlSeps: + nl = self.linebuffer.find(sep) + if nl >= 0: + nllen = len(sep) + return nl, nllen + + return nl, nllen + + def readline(self, size = -1): + """Read a line with approx. size. If size is negative, + read a whole line. + """ + if size < 0: + size = 2147483647 + elif size == 0: + return '' + + # check for a newline already in buffer + nl, nllen = self._checkfornewline() + + if nl >= 0: + # the next line was already in the buffer + nl = min(nl, size) + else: + # no line break in buffer - try to read more + size -= len(self.linebuffer) + while nl < 0 and size > 0: + buf = self.read(min(size, 100)) + if not buf: + break + self.linebuffer += buf + size -= len(buf) + + # check for a newline in buffer + nl, nllen = self._checkfornewline() + + # we either ran out of bytes in the file, or + # met the specified size limit without finding a newline, + # so return current buffer + if nl < 0: + s = self.linebuffer + self.linebuffer = '' + return s + + buf = self.linebuffer[:nl] + self.lastdiscard = self.linebuffer[nl:nl + nllen] + self.linebuffer = self.linebuffer[nl + nllen:] + + # line is always returned with \n as newline char (except possibly + # for a final incomplete line in the file, which is handled above). + return buf + "\n" + + def readlines(self, sizehint = -1): + """Return a list with all (following) lines. The sizehint parameter + is ignored in this implementation. + """ + result = [] + while True: + line = self.readline() + if not line: break + result.append(line) + return result + + def read(self, size = None): + # act like file() obj and return empty string if size is 0 + if size == 0: + return '' + + # determine read size + bytesToRead = self.compress_size - self.bytes_read + + # adjust read size for encrypted files since the first 12 bytes + # are for the encryption/password information + if self.decrypter is not None: + bytesToRead -= 12 + + if size is not None and size >= 0: + if self.compress_type == ZIP_STORED: + lr = len(self.readbuffer) + bytesToRead = min(bytesToRead, size - lr) + elif self.compress_type == ZIP_DEFLATED: + if len(self.readbuffer) > size: + # the user has requested fewer bytes than we've already + # pulled through the decompressor; don't read any more + bytesToRead = 0 + else: + # user will use up the buffer, so read some more + lr = len(self.rawbuffer) + bytesToRead = min(bytesToRead, self.compreadsize - lr) + + # avoid reading past end of file contents + if bytesToRead + self.bytes_read > self.compress_size: + bytesToRead = self.compress_size - self.bytes_read + + # try to read from file (if necessary) + if bytesToRead > 0: + bytes = self.fileobj.read(bytesToRead) + self.bytes_read += len(bytes) + self.rawbuffer += bytes + + # handle contents of raw buffer + if self.rawbuffer: + newdata = self.rawbuffer + self.rawbuffer = '' + + # decrypt new data if we were given an object to handle that + if newdata and self.decrypter is not None: + newdata = ''.join(map(self.decrypter, newdata)) + + # decompress newly read data if necessary + if newdata and self.compress_type == ZIP_DEFLATED: + newdata = self.dc.decompress(newdata) + self.rawbuffer = self.dc.unconsumed_tail + if self.eof and len(self.rawbuffer) == 0: + # we're out of raw bytes (both from the file and + # the local buffer); flush just to make sure the + # decompressor is done + newdata += self.dc.flush() + # prevent decompressor from being used again + self.dc = None + + self.readbuffer += newdata + + + # return what the user asked for + if size is None or len(self.readbuffer) <= size: + bytes = self.readbuffer + self.readbuffer = '' + else: + bytes = self.readbuffer[:size] + self.readbuffer = self.readbuffer[size:] + + return bytes + + +class ZipFile: + """ Class with methods to open, read, write, close, list zip files. + + z = ZipFile(file, mode="r", compression=ZIP_STORED, allowZip64=False) + + file: Either the path to the file, or a file-like object. + If it is a path, the file will be opened and closed by ZipFile. + mode: The mode can be either read "r", write "w" or append "a". + compression: ZIP_STORED (no compression) or ZIP_DEFLATED (requires zlib). + allowZip64: if True ZipFile will create files with ZIP64 extensions when + needed, otherwise it will raise an exception when this would + be necessary. + + """ + + fp = None # Set here since __del__ checks it + + def __init__(self, file, mode="r", compression=ZIP_STORED, allowZip64=False): + """Open the ZIP file with mode read "r", write "w" or append "a".""" + if mode not in ("r", "w", "a"): + raise RuntimeError('ZipFile() requires mode "r", "w", or "a"') + + if compression == ZIP_STORED: + pass + elif compression == ZIP_DEFLATED: + if not zlib: + raise RuntimeError,\ + "Compression requires the (missing) zlib module" + else: + raise RuntimeError, "That compression method is not supported" + + self._allowZip64 = allowZip64 + self._didModify = False + self.debug = 0 # Level of printing: 0 through 3 + self.NameToInfo = {} # Find file info given name + self.filelist = [] # List of ZipInfo instances for archive + self.compression = compression # Method of compression + self.mode = key = mode.replace('b', '')[0] + self.pwd = None + self.comment = '' + + # Check if we were passed a file-like object + if isinstance(file, basestring): + self._filePassed = 0 + self.filename = file + modeDict = {'r' : 'rb', 'w': 'wb', 'a' : 'r+b'} + try: + self.fp = open(file, modeDict[mode]) + except IOError: + if mode == 'a': + mode = key = 'w' + self.fp = open(file, modeDict[mode]) + else: + raise + else: + self._filePassed = 1 + self.fp = file + self.filename = getattr(file, 'name', None) + + if key == 'r': + self._GetContents() + elif key == 'w': + pass + elif key == 'a': + try: # See if file is a zip file + self._RealGetContents() + # seek to start of directory and overwrite + self.fp.seek(self.start_dir, 0) + except BadZipfile: # file is not a zip file, just append + self.fp.seek(0, 2) + else: + if not self._filePassed: + self.fp.close() + self.fp = None + raise RuntimeError, 'Mode must be "r", "w" or "a"' + + def _GetContents(self): + """Read the directory, making sure we close the file if the format + is bad.""" + try: + self._RealGetContents() + except BadZipfile: + if not self._filePassed: + self.fp.close() + self.fp = None + raise + + def _RealGetContents(self): + """Read in the table of contents for the ZIP file.""" + fp = self.fp + endrec = _EndRecData(fp) + if not endrec: + raise BadZipfile, "File is not a zip file" + if self.debug > 1: + print endrec + size_cd = endrec[_ECD_SIZE] # bytes in central directory + offset_cd = endrec[_ECD_OFFSET] # offset of central directory + self.comment = endrec[_ECD_COMMENT] # archive comment + + # "concat" is zero, unless zip was concatenated to another file + concat = endrec[_ECD_LOCATION] - size_cd - offset_cd + if endrec[_ECD_SIGNATURE] == stringEndArchive64: + # If Zip64 extension structures are present, account for them + concat -= (sizeEndCentDir64 + sizeEndCentDir64Locator) + + if self.debug > 2: + inferred = concat + offset_cd + print "given, inferred, offset", offset_cd, inferred, concat + # self.start_dir: Position of start of central directory + self.start_dir = offset_cd + concat + fp.seek(self.start_dir, 0) + data = fp.read(size_cd) + fp = cStringIO.StringIO(data) + total = 0 + while total < size_cd: + centdir = fp.read(sizeCentralDir) + if centdir[0:4] != stringCentralDir: + raise BadZipfile, "Bad magic number for central directory" + centdir = struct.unpack(structCentralDir, centdir) + if self.debug > 2: + print centdir + filename = fp.read(centdir[_CD_FILENAME_LENGTH]) + # Create ZipInfo instance to store file information + x = ZipInfo(filename) + x.extra = fp.read(centdir[_CD_EXTRA_FIELD_LENGTH]) + x.comment = fp.read(centdir[_CD_COMMENT_LENGTH]) + x.header_offset = centdir[_CD_LOCAL_HEADER_OFFSET] + (x.create_version, x.create_system, x.extract_version, x.reserved, + x.flag_bits, x.compress_type, t, d, + x.CRC, x.compress_size, x.file_size) = centdir[1:12] + x.volume, x.internal_attr, x.external_attr = centdir[15:18] + # Convert date/time code to (year, month, day, hour, min, sec) + x._raw_time = t + x.date_time = ( (d>>9)+1980, (d>>5)&0xF, d&0x1F, + t>>11, (t>>5)&0x3F, (t&0x1F) * 2 ) + + x._decodeExtra() + x.header_offset = x.header_offset + concat + x.filename = x._decodeFilename() + self.filelist.append(x) + self.NameToInfo[x.filename] = x + + # update total bytes read from central directory + total = (total + sizeCentralDir + centdir[_CD_FILENAME_LENGTH] + + centdir[_CD_EXTRA_FIELD_LENGTH] + + centdir[_CD_COMMENT_LENGTH]) + + if self.debug > 2: + print "total", total + + + def namelist(self): + """Return a list of file names in the archive.""" + l = [] + for data in self.filelist: + l.append(data.filename) + return l + + def infolist(self): + """Return a list of class ZipInfo instances for files in the + archive.""" + return self.filelist + + def printdir(self): + """Print a table of contents for the zip file.""" + print "%-46s %19s %12s" % ("File Name", "Modified ", "Size") + for zinfo in self.filelist: + date = "%d-%02d-%02d %02d:%02d:%02d" % zinfo.date_time[:6] + print "%-46s %s %12d" % (zinfo.filename, date, zinfo.file_size) + + def testzip(self): + """Read all the files and check the CRC.""" + chunk_size = 2 ** 20 + for zinfo in self.filelist: + try: + # Read by chunks, to avoid an OverflowError or a + # MemoryError with very large embedded files. + f = self.open(zinfo.filename, "r") + while f.read(chunk_size): # Check CRC-32 + pass + except BadZipfile: + return zinfo.filename + + def getinfo(self, name): + """Return the instance of ZipInfo given 'name'.""" + info = self.NameToInfo.get(name) + if info is None: + raise KeyError( + 'There is no item named %r in the archive' % name) + + return info + + def setpassword(self, pwd): + """Set default password for encrypted files.""" + self.pwd = pwd + + def read(self, name, pwd=None): + """Return file bytes (as a string) for name.""" + return self.open(name, "r", pwd).read() + + def open(self, name, mode="r", pwd=None): + """Return file-like object for 'name'.""" + if mode not in ("r", "U", "rU"): + raise RuntimeError, 'open() requires mode "r", "U", or "rU"' + if not self.fp: + raise RuntimeError, \ + "Attempt to read ZIP archive that was already closed" + + # Only open a new file for instances where we were not + # given a file object in the constructor + if self._filePassed: + zef_file = self.fp + else: + zef_file = open(self.filename, 'rb') + + # Make sure we have an info object + if isinstance(name, ZipInfo): + # 'name' is already an info object + zinfo = name + else: + # Get info object for name + zinfo = self.getinfo(name) + + zef_file.seek(zinfo.header_offset, 0) + + # Skip the file header: + fheader = zef_file.read(sizeFileHeader) + if fheader[0:4] != stringFileHeader: + raise BadZipfile, "Bad magic number for file header" + + fheader = struct.unpack(structFileHeader, fheader) + fname = zef_file.read(fheader[_FH_FILENAME_LENGTH]) + if fheader[_FH_EXTRA_FIELD_LENGTH]: + zef_file.read(fheader[_FH_EXTRA_FIELD_LENGTH]) + + if fname != zinfo.orig_filename: + raise BadZipfile, \ + 'File name in directory "%s" and header "%s" differ.' % ( + zinfo.orig_filename, fname) + + # check for encrypted flag & handle password + is_encrypted = zinfo.flag_bits & 0x1 + zd = None + if is_encrypted: + if not pwd: + pwd = self.pwd + if not pwd: + raise RuntimeError, "File %s is encrypted, " \ + "password required for extraction" % name + + zd = _ZipDecrypter(pwd) + # The first 12 bytes in the cypher stream is an encryption header + # used to strengthen the algorithm. The first 11 bytes are + # completely random, while the 12th contains the MSB of the CRC, + # or the MSB of the file time depending on the header type + # and is used to check the correctness of the password. + bytes = zef_file.read(12) + h = map(zd, bytes[0:12]) + if zinfo.flag_bits & 0x8: + # compare against the file type from extended local headers + check_byte = (zinfo._raw_time >> 8) & 0xff + else: + # compare against the CRC otherwise + check_byte = (zinfo.CRC >> 24) & 0xff + if ord(h[11]) != check_byte: + raise RuntimeError("Bad password for file", name) + + # build and return a ZipExtFile + if zd is None: + zef = ZipExtFile(zef_file, zinfo) + else: + zef = ZipExtFile(zef_file, zinfo, zd) + + # set universal newlines on ZipExtFile if necessary + if "U" in mode: + zef.set_univ_newlines(True) + return zef + + def extract(self, member, path=None, pwd=None): + """Extract a member from the archive to the current working directory, + using its full name. Its file information is extracted as accurately + as possible. `member' may be a filename or a ZipInfo object. You can + specify a different directory using `path'. + """ + if not isinstance(member, ZipInfo): + member = self.getinfo(member) + + if path is None: + path = os.getcwd() + + return self._extract_member(member, path, pwd) + + def extractall(self, path=None, members=None, pwd=None): + """Extract all members from the archive to the current working + directory. `path' specifies a different directory to extract to. + `members' is optional and must be a subset of the list returned + by namelist(). + """ + if members is None: + members = self.namelist() + + for zipinfo in members: + self.extract(zipinfo, path, pwd) + + def _extract_member(self, member, targetpath, pwd): + """Extract the ZipInfo object 'member' to a physical + file on the path targetpath. + """ + # build the destination pathname, replacing + # forward slashes to platform specific separators. + # Strip trailing path separator, unless it represents the root. + if (targetpath[-1:] in (os.path.sep, os.path.altsep) + and len(os.path.splitdrive(targetpath)[1]) > 1): + targetpath = targetpath[:-1] + + # don't include leading "/" from file name if present + if member.filename[0] == '/': + targetpath = os.path.join(targetpath, member.filename[1:]) + else: + targetpath = os.path.join(targetpath, member.filename) + + targetpath = os.path.normpath(targetpath) + + # Create all upper directories if necessary. + upperdirs = os.path.dirname(targetpath) + if upperdirs and not os.path.exists(upperdirs): + os.makedirs(upperdirs) + + if member.filename[-1] == '/': + if not os.path.isdir(targetpath): + os.mkdir(targetpath) + return targetpath + + source = self.open(member, pwd=pwd) + target = file(targetpath, "wb") + shutil.copyfileobj(source, target) + source.close() + target.close() + + return targetpath + + def _writecheck(self, zinfo): + """Check for errors before writing a file to the archive.""" + if zinfo.filename in self.NameToInfo: + if self.debug: # Warning for duplicate names + print "Duplicate name:", zinfo.filename + if self.mode not in ("w", "a"): + raise RuntimeError, 'write() requires mode "w" or "a"' + if not self.fp: + raise RuntimeError, \ + "Attempt to write ZIP archive that was already closed" + if zinfo.compress_type == ZIP_DEFLATED and not zlib: + raise RuntimeError, \ + "Compression requires the (missing) zlib module" + if zinfo.compress_type not in (ZIP_STORED, ZIP_DEFLATED): + raise RuntimeError, \ + "That compression method is not supported" + if zinfo.file_size > ZIP64_LIMIT: + if not self._allowZip64: + raise LargeZipFile("Filesize would require ZIP64 extensions") + if zinfo.header_offset > ZIP64_LIMIT: + if not self._allowZip64: + raise LargeZipFile("Zipfile size would require ZIP64 extensions") + + def write(self, filename, arcname=None, compress_type=None, date_time=DEFAULT_DATE): + """Put the bytes from filename into the archive under the name + arcname.""" + if not self.fp: + raise RuntimeError( + "Attempt to write to ZIP archive that was already closed") + + st = os.stat(filename) + isdir = stat.S_ISDIR(st.st_mode) + # Create ZipInfo instance to store file information + if arcname is None: + arcname = filename + arcname = os.path.normpath(os.path.splitdrive(arcname)[1]) + while arcname[0] in (os.sep, os.altsep): + arcname = arcname[1:] + if isdir: + arcname += '/' + zinfo = ZipInfo(arcname, date_time) + zinfo.external_attr = 0600 << 16 # Unix attributes, hard-coded + if compress_type is None: + zinfo.compress_type = self.compression + else: + zinfo.compress_type = compress_type + + zinfo.file_size = long(st.st_size) + zinfo.flag_bits = 0x00 + zinfo.header_offset = self.fp.tell() # Start of header bytes + + self._writecheck(zinfo) + self._didModify = True + + if isdir: + zinfo.file_size = 0 + zinfo.compress_size = 0 + zinfo.CRC = 0 + self.filelist.append(zinfo) + self.NameToInfo[zinfo.filename] = zinfo + self.fp.write(zinfo.FileHeader()) + return + + fp = open(filename, "rb") + # Must overwrite CRC and sizes with correct data later + zinfo.CRC = CRC = 0 + zinfo.compress_size = compress_size = 0 + zinfo.file_size = file_size = 0 + self.fp.write(zinfo.FileHeader()) + if zinfo.compress_type == ZIP_DEFLATED: + cmpr = zlib.compressobj(zlib.Z_DEFAULT_COMPRESSION, + zlib.DEFLATED, -15) + else: + cmpr = None + while 1: + buf = fp.read(1024 * 8) + if not buf: + break + file_size = file_size + len(buf) + CRC = crc32(buf, CRC) & 0xffffffff + if cmpr: + buf = cmpr.compress(buf) + compress_size = compress_size + len(buf) + self.fp.write(buf) + fp.close() + if cmpr: + buf = cmpr.flush() + compress_size = compress_size + len(buf) + self.fp.write(buf) + zinfo.compress_size = compress_size + else: + zinfo.compress_size = file_size + zinfo.CRC = CRC + zinfo.file_size = file_size + # Seek backwards and write CRC and file sizes + position = self.fp.tell() # Preserve current position in file + self.fp.seek(zinfo.header_offset + 14, 0) + self.fp.write(struct.pack(" ZIP64_LIMIT \ + or zinfo.compress_size > ZIP64_LIMIT: + extra.append(zinfo.file_size) + extra.append(zinfo.compress_size) + file_size = 0xffffffff + compress_size = 0xffffffff + else: + file_size = zinfo.file_size + compress_size = zinfo.compress_size + + if zinfo.header_offset > ZIP64_LIMIT: + extra.append(zinfo.header_offset) + header_offset = 0xffffffffL + else: + header_offset = zinfo.header_offset + + extra_data = zinfo.extra + if extra: + # Append a ZIP64 field to the extra's + extra_data = struct.pack( + '>sys.stderr, (structCentralDir, + stringCentralDir, create_version, + zinfo.create_system, extract_version, zinfo.reserved, + zinfo.flag_bits, zinfo.compress_type, dostime, dosdate, + zinfo.CRC, compress_size, file_size, + len(zinfo.filename), len(extra_data), len(zinfo.comment), + 0, zinfo.internal_attr, zinfo.external_attr, + header_offset) + raise + self.fp.write(centdir) + self.fp.write(filename) + self.fp.write(extra_data) + self.fp.write(zinfo.comment) + + pos2 = self.fp.tell() + # Write end-of-zip-archive record + centDirCount = count + centDirSize = pos2 - pos1 + centDirOffset = pos1 + if (centDirCount >= ZIP_FILECOUNT_LIMIT or + centDirOffset > ZIP64_LIMIT or + centDirSize > ZIP64_LIMIT): + # Need to write the ZIP64 end-of-archive records + zip64endrec = struct.pack( + structEndArchive64, stringEndArchive64, + 44, 45, 45, 0, 0, centDirCount, centDirCount, + centDirSize, centDirOffset) + self.fp.write(zip64endrec) + + zip64locrec = struct.pack( + structEndArchive64Locator, + stringEndArchive64Locator, 0, pos2, 1) + self.fp.write(zip64locrec) + centDirCount = min(centDirCount, 0xFFFF) + centDirSize = min(centDirSize, 0xFFFFFFFF) + centDirOffset = min(centDirOffset, 0xFFFFFFFF) + + # check for valid comment length + if len(self.comment) >= ZIP_MAX_COMMENT: + if self.debug > 0: + msg = 'Archive comment is too long; truncating to %d bytes' \ + % ZIP_MAX_COMMENT + self.comment = self.comment[:ZIP_MAX_COMMENT] + + endrec = struct.pack(structEndArchive, stringEndArchive, + 0, 0, centDirCount, centDirCount, + centDirSize, centDirOffset, len(self.comment)) + self.fp.write(endrec) + self.fp.write(self.comment) + self.fp.flush() + + if not self._filePassed: + self.fp.close() + self.fp = None + + +class PyZipFile(ZipFile): + """Class to create ZIP archives with Python library files and packages.""" + + def writepy(self, pathname, basename = ""): + """Add all files from "pathname" to the ZIP archive. + + If pathname is a package directory, search the directory and + all package subdirectories recursively for all *.py and enter + the modules into the archive. If pathname is a plain + directory, listdir *.py and enter all modules. Else, pathname + must be a Python *.py file and the module will be put into the + archive. Added modules are always module.pyo or module.pyc. + This method will compile the module.py into module.pyc if + necessary. + """ + dir, name = os.path.split(pathname) + if os.path.isdir(pathname): + initname = os.path.join(pathname, "__init__.py") + if os.path.isfile(initname): + # This is a package directory, add it + if basename: + basename = "%s/%s" % (basename, name) + else: + basename = name + if self.debug: + print "Adding package in", pathname, "as", basename + fname, arcname = self._get_codename(initname[0:-3], basename) + if self.debug: + print "Adding", arcname + self.write(fname, arcname) + dirlist = os.listdir(pathname) + dirlist.remove("__init__.py") + # Add all *.py files and package subdirectories + for filename in dirlist: + path = os.path.join(pathname, filename) + root, ext = os.path.splitext(filename) + if os.path.isdir(path): + if os.path.isfile(os.path.join(path, "__init__.py")): + # This is a package directory, add it + self.writepy(path, basename) # Recursive call + elif ext == ".py": + fname, arcname = self._get_codename(path[0:-3], + basename) + if self.debug: + print "Adding", arcname + self.write(fname, arcname) + else: + # This is NOT a package directory, add its files at top level + if self.debug: + print "Adding files from directory", pathname + for filename in os.listdir(pathname): + path = os.path.join(pathname, filename) + root, ext = os.path.splitext(filename) + if ext == ".py": + fname, arcname = self._get_codename(path[0:-3], + basename) + if self.debug: + print "Adding", arcname + self.write(fname, arcname) + else: + if pathname[-3:] != ".py": + raise RuntimeError, \ + 'Files added with writepy() must end with ".py"' + fname, arcname = self._get_codename(pathname[0:-3], basename) + if self.debug: + print "Adding file", arcname + self.write(fname, arcname) + + def _get_codename(self, pathname, basename): + """Return (filename, archivename) for the path. + + Given a module name path, return the correct file path and + archive name, compiling if necessary. For example, given + /python/lib/string, return (/python/lib/string.pyc, string). + """ + file_py = pathname + ".py" + file_pyc = pathname + ".pyc" + file_pyo = pathname + ".pyo" + if os.path.isfile(file_pyo) and \ + os.stat(file_pyo).st_mtime >= os.stat(file_py).st_mtime: + fname = file_pyo # Use .pyo file + elif not os.path.isfile(file_pyc) or \ + os.stat(file_pyc).st_mtime < os.stat(file_py).st_mtime: + import py_compile + if self.debug: + print "Compiling", file_py + try: + py_compile.compile(file_py, file_pyc, None, True) + except py_compile.PyCompileError,err: + print err.msg + fname = file_pyc + else: + fname = file_pyc + archivename = os.path.split(fname)[1] + if basename: + archivename = "%s/%s" % (basename, archivename) + return (fname, archivename) + + +def main(args = None): + import textwrap + USAGE=textwrap.dedent("""\ + Usage: + zipfile.py -l zipfile.zip # Show listing of a zipfile + zipfile.py -t zipfile.zip # Test if a zipfile is valid + zipfile.py -e zipfile.zip target # Extract zipfile into target dir + zipfile.py -c zipfile.zip src ... # Create zipfile from sources + """) + if args is None: + args = sys.argv[1:] + + if not args or args[0] not in ('-l', '-c', '-e', '-t'): + print USAGE + sys.exit(1) + + if args[0] == '-l': + if len(args) != 2: + print USAGE + sys.exit(1) + zf = ZipFile(args[1], 'r') + zf.printdir() + zf.close() + + elif args[0] == '-t': + if len(args) != 2: + print USAGE + sys.exit(1) + zf = ZipFile(args[1], 'r') + zf.testzip() + print "Done testing" + + elif args[0] == '-e': + if len(args) != 3: + print USAGE + sys.exit(1) + + zf = ZipFile(args[1], 'r') + out = args[2] + for path in zf.namelist(): + if path.startswith('./'): + tgt = os.path.join(out, path[2:]) + else: + tgt = os.path.join(out, path) + + tgtdir = os.path.dirname(tgt) + if not os.path.exists(tgtdir): + os.makedirs(tgtdir) + fp = open(tgt, 'wb') + fp.write(zf.read(path)) + fp.close() + zf.close() + + elif args[0] == '-c': + if len(args) < 3: + print USAGE + sys.exit(1) + + def addToZip(zf, path, zippath): + if os.path.isfile(path): + zf.write(path, zippath, ZIP_DEFLATED) + elif os.path.isdir(path): + for nm in os.listdir(path): + addToZip(zf, + os.path.join(path, nm), os.path.join(zippath, nm)) + # else: ignore + + zf = ZipFile(args[1], 'w', allowZip64=True) + for src in args[2:]: + addToZip(zf, src, os.path.basename(src)) + + zf.close() + +if __name__ == "__main__": + main() -- cgit v1.2.3-54-g00ecf