iOS-代理检测

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当我们开发移动App时候，为了避免别人抓包，所以我们要有自己的检测机制

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/// 判断是否设置了代理
- (BOOL)checkProxySetting {
    // 获取当前系统代理配置
    NSDictionary *proxySettings = (__bridge NSDictionary *)(CFNetworkCopySystemProxySettings());
    // 获取代理的信息 - url一般都填baidu
    NSURL *url = [NSURL URLWithString:@"https://www.baidu.com"];
    NSArray *proxies = (__bridge NSArray *)(CFNetworkCopyProxiesForURL((__bridge CFURLRef)(url), (__bridge CFDictionaryRef)(proxySettings)));
    
    if (proxies.count > 0) {
        NSString *proxyType = [proxies.firstObject objectForKey:(NSString *)kCFProxyTypeKey];
        if (![proxyType isEqualToString:(__bridge NSString *)kCFProxyTypeNone]) {
            for (int i = 0; i < proxies.count; i++) {
                NSDictionary *settings = proxies[i];
                if (i == 0) {
                    NSLog(@"---------------代理配置---------------");
                }
                NSLog(@"host: %@", [settings objectForKey:(NSString *)kCFProxyHostNameKey]);
                NSLog(@"port: %@", [settings objectForKey:(NSString *)kCFProxyPortNumberKey]);
                NSLog(@"type: %@", [settings objectForKey:(NSString *)kCFProxyTypeKey]);
                if (i == proxies.count - 1) {
                    NSLog(@"-------------------------------------");
                }
                else {
                    NSLog(@"---------------------------");
                }
            }
            return YES;
        }
    }
    return NO;
}