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// Copyright 2012 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "net/proxy_resolution/proxy_config_service_ios.h"
#include <CFNetwork/CFProxySupport.h>
#include <CoreFoundation/CoreFoundation.h>
#include "base/apple/foundation_util.h"
#include "base/apple/scoped_cftyperef.h"
#include "base/functional/bind.h"
#include "base/functional/callback.h"
#include "base/strings/sys_string_conversions.h"
#include "net/base/proxy_chain.h"
#include "net/proxy_resolution/proxy_chain_util_apple.h"
#include "net/proxy_resolution/proxy_config_with_annotation.h"
namespace net {
namespace {
const int kPollIntervalSec = 10;
// Utility function to pull out a boolean value from a dictionary and return it,
// returning a default value if the key is not present.
bool GetBoolFromDictionary(CFDictionaryRef dict,
CFStringRef key,
bool default_value) {
CFNumberRef number =
base::apple::GetValueFromDictionary<CFNumberRef>(dict, key);
if (!number) {
return default_value;
}
int int_value;
if (CFNumberGetValue(number, kCFNumberIntType, &int_value)) {
return int_value;
} else {
return default_value;
}
}
void GetCurrentProxyConfig(const NetworkTrafficAnnotationTag traffic_annotation,
ProxyConfigWithAnnotation* config) {
base::apple::ScopedCFTypeRef<CFDictionaryRef> config_dict(
CFNetworkCopySystemProxySettings());
DCHECK(config_dict);
ProxyConfig proxy_config;
// Auto-detect is not supported.
// The kCFNetworkProxiesProxyAutoDiscoveryEnable key is not available on iOS.
// PAC file
if (GetBoolFromDictionary(config_dict.get(),
kCFNetworkProxiesProxyAutoConfigEnable, false)) {
CFStringRef pac_url_ref = base::apple::GetValueFromDictionary<CFStringRef>(
config_dict.get(), kCFNetworkProxiesProxyAutoConfigURLString);
if (pac_url_ref) {
proxy_config.set_pac_url(GURL(base::SysCFStringRefToUTF8(pac_url_ref)));
}
}
// Proxies (for now http).
// The following keys are not available on iOS:
// kCFNetworkProxiesFTPEnable
// kCFNetworkProxiesFTPProxy
// kCFNetworkProxiesFTPPort
// kCFNetworkProxiesHTTPSEnable
// kCFNetworkProxiesHTTPSProxy
// kCFNetworkProxiesHTTPSPort
// kCFNetworkProxiesSOCKSEnable
// kCFNetworkProxiesSOCKSProxy
// kCFNetworkProxiesSOCKSPort
if (GetBoolFromDictionary(config_dict.get(), kCFNetworkProxiesHTTPEnable,
false)) {
ProxyChain proxy_chain = ProxyDictionaryToProxyChain(
kCFProxyTypeHTTP, config_dict.get(), kCFNetworkProxiesHTTPProxy,
kCFNetworkProxiesHTTPPort);
if (proxy_chain.IsValid()) {
proxy_config.proxy_rules().type =
ProxyConfig::ProxyRules::Type::PROXY_LIST_PER_SCHEME;
proxy_config.proxy_rules().proxies_for_http.SetSingleProxyChain(
proxy_chain);
// Desktop Safari applies the HTTP proxy to http:// URLs only, but
// Mobile Safari applies the HTTP proxy to https:// URLs as well.
proxy_config.proxy_rules().proxies_for_https.SetSingleProxyChain(
proxy_chain);
}
}
// Proxy bypass list is not supported.
// The kCFNetworkProxiesExceptionsList key is not available on iOS.
// Proxy bypass boolean is not supported.
// The kCFNetworkProxiesExcludeSimpleHostnames key is not available on iOS.
// Source
proxy_config.set_from_system(true);
*config = ProxyConfigWithAnnotation(proxy_config, traffic_annotation);
}
} // namespace
ProxyConfigServiceIOS::ProxyConfigServiceIOS(
const NetworkTrafficAnnotationTag& traffic_annotation)
: PollingProxyConfigService(base::Seconds(kPollIntervalSec),
base::BindRepeating(GetCurrentProxyConfig),
traffic_annotation) {}
ProxyConfigServiceIOS::~ProxyConfigServiceIOS() = default;
} // namespace net
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