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wireguard-apple
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Zip: Add zip file reader 

Signed-off-by: Roopesh Chander <roop@roopc.net>
This commit is contained in:
Roopesh Chander 2018-10-29 01:04:46 +05:30
parent 38b816ba4c
commit de3dde84fd
2 changed files with 84 additions and 0 deletions
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6
WireGuard/WireGuard.xcodeproj/project.pbxproj
View File

@ -33,6 +33,7 @@
6FDEF7FB21863B6100D8FBF6 /* unzip.c in Sources */ = {isa = PBXBuildFile; fileRef = 6FDEF7F621863B6100D8FBF6 /* unzip.c */; };
6FDEF7FC21863B6100D8FBF6 /* zip.c in Sources */ = {isa = PBXBuildFile; fileRef = 6FDEF7F721863B6100D8FBF6 /* zip.c */; };
6FDEF80021863C0100D8FBF6 /* ioapi.c in Sources */ = {isa = PBXBuildFile; fileRef = 6FDEF7FF21863C0100D8FBF6 /* ioapi.c */; };
6FDEF802218646BA00D8FBF6 /* ZipArchive.swift in Sources */ = {isa = PBXBuildFile; fileRef = 6FDEF801218646B900D8FBF6 /* ZipArchive.swift */; };
6FF4AC1F211EC472002C96EB /* Assets.xcassets in Resources */ = {isa = PBXBuildFile; fileRef = 6FF4AC1E211EC472002C96EB /* Assets.xcassets */; };
6FF4AC22211EC472002C96EB /* LaunchScreen.storyboard in Resources */ = {isa = PBXBuildFile; fileRef = 6FF4AC20211EC472002C96EB /* LaunchScreen.storyboard */; };
6FF4AC472120B9E0002C96EB /* NetworkExtension.framework in Frameworks */ = {isa = PBXBuildFile; fileRef = 6FF4AC462120B9E0002C96EB /* NetworkExtension.framework */; };
@ -103,6 +104,7 @@
6FDEF7FA21863B6100D8FBF6 /* unzip.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = unzip.h; sourceTree = "<group>"; };
6FDEF7FE21863C0100D8FBF6 /* ioapi.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = ioapi.h; sourceTree = "<group>"; };
6FDEF7FF21863C0100D8FBF6 /* ioapi.c */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.c; path = ioapi.c; sourceTree = "<group>"; };
6FDEF801218646B900D8FBF6 /* ZipArchive.swift */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.swift; path = ZipArchive.swift; sourceTree = "<group>"; };
6FF4AC14211EC46F002C96EB /* WireGuard.app */ = {isa = PBXFileReference; explicitFileType = wrapper.application; includeInIndex = 0; path = WireGuard.app; sourceTree = BUILT_PRODUCTS_DIR; };
6FF4AC1E211EC472002C96EB /* Assets.xcassets */ = {isa = PBXFileReference; lastKnownFileType = folder.assetcatalog; path = Assets.xcassets; sourceTree = "<group>"; };
6FF4AC21211EC472002C96EB /* Base */ = {isa = PBXFileReference; lastKnownFileType = file.storyboard; name = Base; path = Base.lproj/LaunchScreen.storyboard; sourceTree = "<group>"; };
@ -216,6 +218,7 @@
6FDEF7E72186320E00D8FBF6 /* ZipArchive */ = {
isa = PBXGroup;
children = (
6FDEF801218646B900D8FBF6 /* ZipArchive.swift */,
6FDEF7F421863B6100D8FBF6 /* 3rdparty */,
);
path = ZipArchive;
@ -449,6 +452,7 @@
6F628C41217F47DB003482A3 /* TunnelDetailTableViewController.swift in Sources */,
6F6899B02181B07B0012E523 /* FilePicker.swift in Sources */,
6F7774F321774263006A79B3 /* TunnelEditTableViewController.swift in Sources */,
6FDEF802218646BA00D8FBF6 /* ZipArchive.swift in Sources */,
6F7774E1217181B1006A79B3 /* MainViewController.swift in Sources */,
);
runOnlyForDeploymentPostprocessing = 0;
@ -690,6 +694,7 @@
"$(inherited)",
"@executable_path/Frameworks",
);
"OTHER_CFLAGS[arch=*]" = "-DNOCRYPT";
PRODUCT_BUNDLE_IDENTIFIER = "$(APP_ID)";
PRODUCT_NAME = "$(TARGET_NAME)";
SWIFT_OBJC_BRIDGING_HEADER = "WireGuard/WireGuard-Bridging-Header.h";
@ -713,6 +718,7 @@
"$(inherited)",
"@executable_path/Frameworks",
);
"OTHER_CFLAGS[arch=*]" = "-DNOCRYPT";
PRODUCT_BUNDLE_IDENTIFIER = "$(APP_ID)";
PRODUCT_NAME = "$(TARGET_NAME)";
SWIFT_OBJC_BRIDGING_HEADER = "WireGuard/WireGuard-Bridging-Header.h";

78
WireGuard/WireGuard/ZipArchive/ZipArchive.swift Normal file
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@ -0,0 +1,78 @@
// SPDX-License-Identifier: MIT
// Copyright © 2018 WireGuard LLC. All rights reserved.
import Foundation
enum ZipArchiveError: Error {
case cantOpenInputZipFile
case badArchive
}
class ZipArchive {
static func unarchive(url: URL, requiredFileExtensions: [String]) throws -> [(fileName: String, contents: Data)] {
var results: [(fileName: String, contents: Data)] = []
guard let zipFile = unzOpen64(url.path) else {
throw ZipArchiveError.cantOpenInputZipFile
}
defer {
unzClose(zipFile)
}
guard (unzGoToFirstFile(zipFile) == UNZ_OK) else {
throw ZipArchiveError.badArchive
}
var resultOfGoToNextFile: Int32
repeat {
guard (unzOpenCurrentFile(zipFile) == UNZ_OK) else {
throw ZipArchiveError.badArchive
}
let bufferSize = 1024
var fileNameBuffer = UnsafeMutablePointer<Int8>.allocate(capacity: bufferSize)
var dataBuffer = UnsafeMutablePointer<Int8>.allocate(capacity: bufferSize)
defer {
fileNameBuffer.deallocate()
dataBuffer.deallocate()
}
guard (unzGetCurrentFileInfo64(zipFile, nil, fileNameBuffer, UInt(bufferSize), nil, 0, nil, 0) == UNZ_OK) else {
throw ZipArchiveError.badArchive
}
let fileName = String(cString: fileNameBuffer)
let fileExtension = URL(string: fileName)?.pathExtension ?? ""
if (requiredFileExtensions.contains(fileExtension)) {
var unzippedData = Data()
var bytesRead: Int32 = 0
repeat {
bytesRead = unzReadCurrentFile(zipFile, dataBuffer, UInt32(bufferSize))
if (bytesRead > 0) {
let dataRead = dataBuffer.withMemoryRebound(to: UInt8.self, capacity: bufferSize) {
(buf: UnsafeMutablePointer<UInt8>) -> Data in
return Data(bytes: buf, count: Int(bytesRead))
}
unzippedData.append(dataRead)
}
} while (bytesRead > 0)
results.append((fileName: fileName, contents: unzippedData))
}
guard (unzCloseCurrentFile(zipFile) == UNZ_OK) else {
throw ZipArchiveError.badArchive
}
resultOfGoToNextFile = unzGoToNextFile(zipFile)
} while (resultOfGoToNextFile == UNZ_OK)
if (resultOfGoToNextFile == UNZ_END_OF_LIST_OF_FILE) {
return results
} else {
throw ZipArchiveError.badArchive
}
}
}