iOS 防止charles抓包
方案一:检查手机Wifi是否设置了代理
    public func fetchHttpProxy() -> Bool {
        guard let proxy = CFNetworkCopySystemProxySettings()?.takeUnretainedValue() else { return false }
        guard let dict = proxy as? [String: Any] else { return false }
        guard let HTTPProxy = dict["HTTPProxy"] as? String else { return false }
        if(HTTPProxy.count>0){
            return true;
        }
        return false;
    }
1.以场景接口为例,设置了代理检测,手机开启代理,存在代理就直接返回,请求失败。
    func getSelectedFamilyDeviceSomeInfo(parameters : Any?, succeed : @escaping([String : Any]?) -> (), failure : @escaping(Error?) -> ()) {
        let requestUrl:String = SEVER_URL.appending("/developStage/devicegroup/v2/group/someInfo").addingPercentEncoding(withAllowedCharacters: .urlQueryAllowed)!
        print(parameters ?? "")
        NSLog("RequestUrl : "+requestUrl)
        
        if self.fetchHttpProxy() {
            print("++++++++++++设置了代理,不让请求=======")
            failure("设置了代理" as? Error)
            return
        }else{
            print("++++++++++++没设置代理,自由请求=======")
        }
        
        // 成功闭包
        let successBlock = { (task: URLSessionDataTask, responseObj: Any?) in
            succeed(responseObj as? [String : Any])
        }
        // 失败的闭包
        let failureBlock = { (task: URLSessionDataTask?, error: Error) in
            failure(error)
        }
        //accesstoken 加入请求头
        getAccessToken(success: {
            self.setHttpHeaderBasicProperty()
            self.post(requestUrl, parameters: parameters, progress: nil, success: successBlock, failure: failureBlock)
        }) {
            failure("Please sign in first" as? Error)
        }
    }


2.注释代理检测,请求正常,界面正常展示,能抓取到场景接口数据

方案二:对证书的验证
1.客户端需要证书(Certification file), .cer格式的文件。(找服务器要,有可能需要转化证书格式)
2、把证书加进项目中,把生成的.cer证书文件直接拖到你项目的相关文件夹中,记得勾选Copy items if neede和Add to targets。
3、参数名意思
AFSecurityPolicy
SSLPinningMode
AFSecurityPolicy是AFNetworking中网络通信安全策略模块。它提供三种SSL Pinning Mode
/**
## SSL Pinning Modes
The following constants are provided by `AFSSLPinningMode` as possible SSL pinning modes.
enum {
AFSSLPinningModeNone,
AFSSLPinningModePublicKey,
AFSSLPinningModeCertificate,
}
`AFSSLPinningModeNone`
Do not used pinned certificates to validate servers.
`AFSSLPinningModePublicKey`
Validate host certificates against public keys of pinned certificates.
`AFSSLPinningModeCertificate`
Validate host certificates against pinned certificates.
*/
AFSSLPinningModeNone:完全信任服务器证书;
AFSSLPinningModePublicKey:只比对服务器证书和本地证书的Public Key是否一致,如果一致则信任服务器证书;
AFSSLPinningModeCertificate:比对服务器证书和本地证书的所有内容,完全一致则信任服务器证书;
选择那种模式呢?
AFSSLPinningModeCertificate:最安全的比对模式。但是也比较麻烦,因为证书是打包在APP中,如果服务器证书改变或者到期,旧版本无法使用了,我们就需要用户更新APP来使用最新的证书。
AFSSLPinningModePublicKey:只比对证书的Public Key,只要Public Key没有改变,证书的其他变动都不会影响使用。
如果你不能保证你的用户总是使用你的APP的最新版本,所以我们使用AFSSLPinningModePublicKey。
allowInvalidCertificates
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/** Whether or not to trust servers with an invalid or expired SSL certificates. Defaults to `NO`. */@property (nonatomic, assign) BOOL allowInvalidCertificates; | 
是否信任非法证书,默认是NO。
validatesDomainName
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/** Whether or not to validate the domain name in the certificate's CN field. Defaults to `YES`. */@property (nonatomic, assign) BOOL validatesDomainName; | 
是否校验证书中DomainName字段,它可能是IP,域名如*.google.com,默认为YES,严格保证安全性。
4、使用AFSecurityPolicy设置SLL Pinning
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+ (AFHTTPSessionManager *)manager{    static AFHTTPSessionManager *manager = nil;    static dispatch_once_t onceToken;    dispatch_once(&onceToken, ^{             NSURLSessionConfiguration *config = [NSURLSessionConfiguration defaultSessionConfiguration];        manager =  [[AFHTTPSessionManager alloc] initWithSessionConfiguration:config];        AFSecurityPolicy *securityPolicy = [AFSecurityPolicy policyWithPinningMode:AFSSLPinningModePublicKey withPinnedCertificates:[AFSecurityPolicy certificatesInBundle:[NSBundle mainBundle]]];        manager.securityPolicy = securityPolicy;    });    return manager;} | 
                    
                
                
            
        
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