ASIHTTPRequest
在ASIHTTPRequest.m文件中的startRequest方法（1180行左右）：
//
// Handle proxy settings
//
if (0) {
//if ([self proxyHost] && [self proxyPort]) {
// 这段代码不执行，不会使用系统默认的代理设置，能绕过Charles
NSString *hostKey;
NSString *portKey;
if (![self proxyType]) {
[self setProxyType:(NSString *)kCFProxyTypeHTTP];
}
if ([[self proxyType] isEqualToString:(NSString *)kCFProxyTypeSOCKS]) {
hostKey = (NSString *)kCFStreamPropertySOCKSProxyHost;
portKey = (NSString *)kCFStreamPropertySOCKSProxyPort;
} else {
hostKey = (NSString *)kCFStreamPropertyHTTPProxyHost;
portKey = (NSString *)kCFStreamPropertyHTTPProxyPort;
if ([[[[self url] scheme] lowercaseString] isEqualToString:@"https"]) {
hostKey = (NSString *)kCFStreamPropertyHTTPSProxyHost;
portKey = (NSString *)kCFStreamPropertyHTTPSProxyPort;
}
}
NSMutableDictionary *proxyToUse = [NSMutableDictionary dictionaryWithObjectsAndKeys:[self proxyHost],hostKey,[NSNumber numberWithInt:[self proxyPort]],portKey,nil];
if ([[self proxyType] isEqualToString:(NSString *)kCFProxyTypeSOCKS]) {
CFReadStreamSetProperty((CFReadStreamRef)[self readStream], kCFStreamPropertySOCKSProxy, proxyToUse);
} else {
CFReadStreamSetProperty((CFReadStreamRef)[self readStream], kCFStreamPropertyHTTPProxy, proxyToUse);
}
}
AFNetworking
