[英]How to connect XMPP client using secure Ejabbered server in IOS?
我正在使用Ejabbered服务器使用SSL和TLSv1.1 / 1.2保护安全的聊天应用程序,并且正在尝试将客户端连接到服务器,并得到以下错误代码。
Error Domain=GCDAsyncSocketErrorDomain Code=7 "Socket closed by remote peer" UserInfo={NSLocalizedDescription=Socket closed by remote peer.
Appdelegate(Setupstream)中的必需设置
_xmppStream.hostName=@""; // hostname
_xmppStream.hostPort=5223; // 5223 for secure SSL connection
_xmppStream.startTLSPolicy = XMPPStreamStartTLSPolicyRequired;
customCertEvaluation = YES;
之后,手动信任自定义证书验证
- (void)xmppStream:(XMPPStream *)sender willSecureWithSettings:
(NSMutableDictionary *)settings{
NSString *expectedCertName = [_xmppStream.myJID domain];
if (expectedCertName){
[settings setObject:expectedCertName forKey:(NSString *)kCFStreamSSLPeerName];
}
if (customCertEvaluation){
[settings setObject:@(YES)forKey:GCDAsyncSocketManuallyEvaluateTrust];
}
之后,以匹配completedHandler中的客户端服务器证书。
-(void)xmppStream:(XMPPStream *)sender didReceiveTrust:(SecTrustRef)trust
completionHandler:(void (^)(BOOL shouldTrustPeer))completionHandler{
SecCertificateRef certificate=SecTrustGetCertificateAtIndex(trust, 0);
NSLog(@"serverCertificate :%@",certificate);
NSData *certData1=(__bridge NSData *)SecCertificateCopyData(certificate);
// Get our certificate
NSString *cer = [NSString stringWithFormat:@"%@", [[NSBundle mainBundle] pathForResource:@"ca" ofType:@"crt"]];
NSData *certData2 = [[NSData alloc] initWithContentsOfFile:cer];
OSStatus status = -1;
SecTrustResultType result = kSecTrustResultDeny;
if(certData1 && certData2){
SecCertificateRef cert1;
cert1 = SecCertificateCreateWithData(NULL, (__bridge CFDataRef) certData1);
SecCertificateRef cert2;
cert2 = SecCertificateCreateWithData(NULL, (__bridge CFDataRef) certData2);
const void *ref[] = {cert1, cert2};
CFArrayRef ary = CFArrayCreate(NULL, ref, 2, NULL);
SecTrustSetAnchorCertificates(trust, ary);
status = SecTrustEvaluate(trust, &result);
}
else{
NSLog(@"local certificates could not be loaded");
completionHandler(NO);
}
if ((status == noErr && (result == kSecTrustResultProceed || result == kSecTrustResultUnspecified))){
completionHandler(YES);
NSLog(@"Certificate match");
}
else{
arrayRefTrust = SecTrustCopyProperties(trust);
NSLog(@"error in connection occured\n%@", arrayRefTrust);
completionHandler(NO);
NSLog(@"Certificate not match");
}
}
GCDAsyncSocket.m / XMPPStream.m类中是否有任何自定义项需要安全连接。
尝试使用此不推荐使用的方法:
[self.xmppStream oldSchoolSecureConnectWithTimeout:60.f error:&connectionError]
还要确保您正确设置了主机名:
[self.xmppStream setHostName:@"yourhostname.com"]
不使用https
作为前缀。
目前,我们正在使用这种解决方法,同时找到了一种无需使用不推荐使用的连接方法的工作方法。
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