net/proxy/proxy_config_service_ios.cc

   1 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #include "net/proxy/proxy_config_service_ios.h"
   6
   7 #include <CoreFoundation/CoreFoundation.h>
   8 #include <CFNetwork/CFProxySupport.h>
   9
  10 #include "base/mac/foundation_util.h"
  11 #include "base/mac/scoped_cftyperef.h"
  12 #include "base/message_loop/message_loop.h"
  13 #include "base/strings/sys_string_conversions.h"
  14 #include "net/proxy/proxy_config.h"
  15
  16 namespace net {
  17
  18 namespace {
  19
  20 const int kPollIntervalSec = 10;
  21
  22 // Utility function to pull out a boolean value from a dictionary and return it,
  23 // returning a default value if the key is not present.
  24 bool GetBoolFromDictionary(CFDictionaryRef dict,
  25                            CFStringRef key,
  26                            bool default_value) {
  27   CFNumberRef number =
  28       base::mac::GetValueFromDictionary<CFNumberRef>(dict, key);
  29   if (!number)
  30     return default_value;
  31
  32   int int_value;
  33   if (CFNumberGetValue(number, kCFNumberIntType, &int_value))
  34     return int_value;
  35   else
  36     return default_value;
  37 }
  38
  39 void GetCurrentProxyConfig(ProxyConfig* config) {
  40   base::ScopedCFTypeRef<CFDictionaryRef> config_dict(
  41       CFNetworkCopySystemProxySettings());
  42   DCHECK(config_dict);
  43
  44   // Auto-detect is not supported.
  45   // The kCFNetworkProxiesProxyAutoDiscoveryEnable key is not available on iOS.
  46
  47   // PAC file
  48
  49   if (GetBoolFromDictionary(config_dict.get(),
  50                             kCFNetworkProxiesProxyAutoConfigEnable,
  51                             false)) {
  52     CFStringRef pac_url_ref = base::mac::GetValueFromDictionary<CFStringRef>(
  53         config_dict.get(), kCFNetworkProxiesProxyAutoConfigURLString);
  54     if (pac_url_ref)
  55       config->set_pac_url(GURL(base::SysCFStringRefToUTF8(pac_url_ref)));
  56   }
  57
  58   // Proxies (for now http).
  59
  60   // The following keys are not available on iOS:
  61   //   kCFNetworkProxiesFTPEnable
  62   //   kCFNetworkProxiesFTPProxy
  63   //   kCFNetworkProxiesFTPPort
  64   //   kCFNetworkProxiesHTTPSEnable
  65   //   kCFNetworkProxiesHTTPSProxy
  66   //   kCFNetworkProxiesHTTPSPort
  67   //   kCFNetworkProxiesSOCKSEnable
  68   //   kCFNetworkProxiesSOCKSProxy
  69   //   kCFNetworkProxiesSOCKSPort
  70   if (GetBoolFromDictionary(config_dict.get(),
  71                             kCFNetworkProxiesHTTPEnable,
  72                             false)) {
  73     ProxyServer proxy_server =
  74         ProxyServer::FromDictionary(ProxyServer::SCHEME_HTTP,
  75                                     config_dict.get(),
  76                                     kCFNetworkProxiesHTTPProxy,
  77                                     kCFNetworkProxiesHTTPPort);
  78     if (proxy_server.is_valid()) {
  79       config->proxy_rules().type =
  80           ProxyConfig::ProxyRules::TYPE_PROXY_PER_SCHEME;
  81       config->proxy_rules().proxies_for_http.SetSingleProxyServer(proxy_server);
  82       // Desktop Safari applies the HTTP proxy to http:// URLs only, but
  83       // Mobile Safari applies the HTTP proxy to https:// URLs as well.
  84       config->proxy_rules().proxies_for_https.SetSingleProxyServer(
  85           proxy_server);
  86     }
  87   }
  88
  89   // Proxy bypass list is not supported.
  90   // The kCFNetworkProxiesExceptionsList key is not available on iOS.
  91
  92   // Proxy bypass boolean is not supported.
  93   // The kCFNetworkProxiesExcludeSimpleHostnames key is not available on iOS.
  94
  95   // Source
  96   config->set_source(PROXY_CONFIG_SOURCE_SYSTEM);
  97 }
  98
  99 }  // namespace
 100
 101 ProxyConfigServiceIOS::ProxyConfigServiceIOS()
 102     : PollingProxyConfigService(base::TimeDelta::FromSeconds(kPollIntervalSec),
 103                                 GetCurrentProxyConfig) {
 104 }
 105
 106 ProxyConfigServiceIOS::~ProxyConfigServiceIOS() {
 107 }
 108
 109 }  // namespace net