两天以来,我一直在将一段代码从 Objective-C 翻译成 Swift:
CFArrayRef keyref = NULL;
CFDictionaryRef identityDict = CFArrayGetValueAtIndex(keyref, 0);
SecIdentityRef identityRef = (SecIdentityRef)CFDictionaryGetValue(identityDict, kSecImportItemIdentity);
是的,就是这样!我根本无法用这些指针满足编译器的要求。 请帮助:-)
这是要翻译的整个 Objective-C 代码:
// Read .p12 file
NSString *path = [[NSBundle mainBundle] pathForResource:@"SSLKeyStoreClient" ofType:@"p12"];
NSData *pkcs12data = [[NSData alloc] initWithContentsOfFile:path];
// Import .p12 data
CFArrayRef keyref = NULL;
OSStatus sanityChesk = SecPKCS12Import((__bridge CFDataRef)pkcs12data,
(__bridge CFDictionaryRef)[NSDictionary
dictionaryWithObject:@"wed-zzz"
forKey:(__bridge id)kSecImportExportPassphrase],
&keyref);
if (sanityChesk != noErr) {
NSLog(@"Error while importing pkcs12 [%d]", (int)sanityChesk);
} else
NSLog(@"Success opening p12 certificate.");
// Identity
CFDictionaryRef identityDict = CFArrayGetValueAtIndex(keyref, 0);
SecIdentityRef identityRef = (SecIdentityRef)CFDictionaryGetValue(identityDict,
kSecImportItemIdentity);
// Cert
SecCertificateRef cert = NULL;
OSStatus status = SecIdentityCopyCertificate(identityRef, &cert);
if (status)
NSLog(@"SecIdentityCopyCertificate failed.");
// the certificates array, containing the identity then the root certificate
NSArray *myCerts = [[NSArray alloc] initWithObjects:(__bridge id)identityRef, (__bridge id)cert, nil];
NSMutableDictionary *SSLOptions;
[SSLOptions setObject:[NSNumber numberWithBool:YES] forKey:(NSString *)kCFStreamSSLAllowsExpiredRoots];
NSDictionary *settings = [[NSDictionary alloc] initWithObjectsAndKeys:
[NSNumber numberWithBool:YES], kCFStreamSSLAllowsExpiredCertificates,
[NSNumber numberWithBool:YES], kCFStreamSSLAllowsAnyRoot,
[NSNumber numberWithBool:NO], kCFStreamSSLValidatesCertificateChain,
kCFNull,kCFStreamSSLPeerName,
myCerts,kCFStreamSSLCertificates,
nil];
CFReadStreamSetProperty((CFReadStreamRef)self.inputStream, kCFStreamPropertySSLSettings, (CFTypeRef)settings);
CFWriteStreamSetProperty((CFWriteStreamRef)self.outputStream, kCFStreamPropertySSLSettings, (CFTypeRef)settings);
这就是我到目前为止所得到的:
// Read .p12 file
var path = NSBundle.mainBundle().pathForResource("SSLKeyStoreClient", ofType: "p12")
var pkcs12data: NSData = NSData.dataWithContentsOfFile(path, options: nil, error: nil)
// Import .p12 data
var keyref: Unmanaged<CFArray>?
var optionDict: NSMutableDictionary = NSMutableDictionary()
optionDict.setValue("wed-zzz", forKey: kSecImportExportPassphrase!.takeRetainedValue())
var sanityChesk = SecPKCS12Import(pkcs12data,optionDict,&keyref)
if sanityChesk != 0{ //noErr
println("Error while importing pkcs12 \(sanityChesk)")
} else {
println("Success opening p12 certificate.")
}
// Identity
var key = keyref!
var identityDict: CFDictionary = CFArrayGetValueAtIndex(keyref, 0)
var identityRef:COpaquePointer = CFDictionaryGetValue(identityDict,nil)
// Cert
var cert: Unmanaged<SecCertificate>?
var status: OSStatus = SecIdentityCopyCertificate(identityRef, &cert)
if status == 0{
println("SecIdentityCopyCertificate failed.")
}
// the certificates array, containing the identity then the root certificate
var sslOptions = Dictionary<NSObject, NSObject>()
sslOptions[kCFStreamSSLAllowsExpiredRoots] = NSNumber.numberWithBool(true)
var settings = Dictionary<NSObject, NSObject>()
settings[kCFStreamSSLAllowsExpiredCertificates] = NSNumber.numberWithBool(true)
settings[kCFStreamSSLAllowsAnyRoot] = NSNumber.numberWithBool(true)
settings[kCFStreamSSLValidatesCertificateChain] = NSNumber.numberWithBool(false)
settings[kCFStreamSSLPeerName] = kCFNull
//settings[kCFStreamSSLCertificates] = myCerts
CFReadStreamSetProperty(self.inputStream, kCFStreamPropertySSLSettings, settings)
CFReadStreamSetProperty(self.inputStream, kCFStreamPropertySSLSettings, settings)
问题开始于:
var identityDict: CFDictionary = CFArrayGetValueAtIndex(keyref, 0)
错误:“非托管 CFArray 不可转换为 CFArray”。
这是我迄今为止最好的尝试。
最佳答案
大概第一行是实际数组的占位符?如果您实际上正在使用 NULL
数组指针,其余代码什么都不做。
假设您从真实的 CFArrayRef
开始,您可以利用桥接:CoreFoundation 类型自动被视为 Swift 对象,因此您无需使用 CFArrayRef
和 CFDictionaryRef
指针。这同样适用于任何其他使用 CF 类型系统的 C API,因此它也应该适用于 SecIdentity
.
CF 集合的自动桥接似乎有些奇怪 — 您可以隐式桥接 CFArray
到NSArray
和一个 NSArray
到 swift Array<T>
, 你不能只下标 CFArray
.
因此您的转换看起来像这样(包装在处理您假设的数组的函数中):
func getIdentity(keychainArray: NSArray) -> SecIdentity? {
let dict = keychainArray[0] as Dictionary<String,AnyObject>
let key = kSecImportItemIdentity.takeRetainedValue()
return dict[key] as SecIdentity?
}
如果你有一个 CFArray
你可以将它传递给这个函数,它会自动桥接/转换到 NSArray
,然后自动转换为 Swift 数组以进行下标。将项目 0 视为 Swift 字典,您可以下标字典以获取标识。对于 key ,您需要将其从 Unmanaged<CFString>
中取出因为安全框架未设置为隐式桥接该常量声明。
我让这个函数返回一个可选的,因为我不知道你传入的数组+字典是否真的包含一个标识。如果你确定是,你可以去掉两个问号。
(这可以在 playground 中编译,但我没有一个包含字典的数组,该字典包含便于测试的身份,所以请注意买空者。)
关于ios - 仅将 4 行代码从 objective-c 转换为 swift(指针),我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/24111059/