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// Copyright 2011 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "components/proxy_config/proxy_config_dictionary.h"
#include <memory>
#include <utility>
#include "base/check.h"
#include "net/base/proxy_server.h"
#include "net/base/proxy_string_util.h"
#include "net/proxy_resolution/proxy_config.h"
namespace {
// Integer to specify the type of proxy settings.
// See ProxyPrefs for possible values and interactions with the other proxy
// preferences.
const char kProxyMode[] = "mode";
// String specifying the proxy server. For a specification of the expected
// syntax see net::ProxyConfig::ProxyRules::ParseFromString().
const char kProxyServer[] = "server";
// URL to the proxy .pac file.
const char kProxyPacUrl[] = "pac_url";
// Optional boolean flag indicating whether a valid PAC script is mandatory.
// If true, network traffic does not fall back to direct connections in case the
// PAC script is not available.
const char kProxyPacMandatory[] = "pac_mandatory";
// String containing proxy bypass rules. For a specification of the
// expected syntax see net::ProxyBypassRules::ParseFromString().
const char kProxyBypassList[] = "bypass_list";
} // namespace
ProxyConfigDictionary::ProxyConfigDictionary(base::Value::Dict dict)
: dict_(std::move(dict)) {}
ProxyConfigDictionary::ProxyConfigDictionary(ProxyConfigDictionary&& other) {
dict_ = std::move(other.dict_);
}
ProxyConfigDictionary::~ProxyConfigDictionary() = default;
bool ProxyConfigDictionary::GetMode(ProxyPrefs::ProxyMode* out) const {
const base::Value* mode_value = dict_.Find(kProxyMode);
if (!mode_value || !mode_value->is_string())
return false;
std::string mode_str = mode_value->GetString();
return StringToProxyMode(mode_str, out);
}
bool ProxyConfigDictionary::GetPacUrl(std::string* out) const {
return GetString(kProxyPacUrl, out);
}
bool ProxyConfigDictionary::GetPacMandatory(bool* out) const {
const base::Value* value = dict_.Find(kProxyPacMandatory);
if (!value || !value->is_bool()) {
*out = false;
return false;
}
*out = value->GetBool();
return true;
}
bool ProxyConfigDictionary::GetProxyServer(std::string* out) const {
return GetString(kProxyServer, out);
}
bool ProxyConfigDictionary::GetBypassList(std::string* out) const {
return GetString(kProxyBypassList, out);
}
bool ProxyConfigDictionary::HasBypassList() const {
return dict_.Find(kProxyBypassList);
}
const base::Value::Dict& ProxyConfigDictionary::GetDictionary() const {
return dict_;
}
// static
base::Value::Dict ProxyConfigDictionary::CreateDirect() {
return CreateDictionary(ProxyPrefs::MODE_DIRECT, std::string(), false,
std::string(), std::string());
}
// static
base::Value::Dict ProxyConfigDictionary::CreateAutoDetect() {
return CreateDictionary(ProxyPrefs::MODE_AUTO_DETECT, std::string(), false,
std::string(), std::string());
}
// static
base::Value::Dict ProxyConfigDictionary::CreatePacScript(
const std::string& pac_url,
bool pac_mandatory) {
return CreateDictionary(ProxyPrefs::MODE_PAC_SCRIPT, pac_url, pac_mandatory,
std::string(), std::string());
}
// static
base::Value::Dict ProxyConfigDictionary::CreateFixedServers(
const std::string& proxy_server,
const std::string& bypass_list) {
if (!proxy_server.empty()) {
return CreateDictionary(ProxyPrefs::MODE_FIXED_SERVERS, std::string(),
false, proxy_server, bypass_list);
} else {
return CreateDirect();
}
}
// static
base::Value::Dict ProxyConfigDictionary::CreateSystem() {
return CreateDictionary(ProxyPrefs::MODE_SYSTEM, std::string(), false,
std::string(), std::string());
}
// static
base::Value::Dict ProxyConfigDictionary::CreateDictionary(
ProxyPrefs::ProxyMode mode,
const std::string& pac_url,
bool pac_mandatory,
const std::string& proxy_server,
const std::string& bypass_list) {
base::Value::Dict dict;
dict.Set(kProxyMode, base::Value(ProxyModeToString(mode)));
if (!pac_url.empty()) {
dict.Set(kProxyPacUrl, base::Value(pac_url));
dict.Set(kProxyPacMandatory, base::Value(pac_mandatory));
}
if (!proxy_server.empty())
dict.Set(kProxyServer, base::Value(proxy_server));
if (!bypass_list.empty())
dict.Set(kProxyBypassList, base::Value(bypass_list));
return dict;
}
// static
void ProxyConfigDictionary::EncodeAndAppendProxyServer(
const std::string& url_scheme,
const net::ProxyServer& server,
std::string* spec) {
if (!server.is_valid())
return;
if (!spec->empty())
*spec += ';';
if (!url_scheme.empty()) {
*spec += url_scheme;
*spec += "=";
}
*spec += net::ProxyServerToProxyUri(server);
}
bool ProxyConfigDictionary::GetString(const char* key, std::string* out) const {
const base::Value* value = dict_.Find(key);
if (!value || !value->is_string()) {
*out = "";
return false;
}
*out = value->GetString();
return true;
}
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