15821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// Copyright (c) 2012 The Chromium Authors. All rights reserved. 25821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// Use of this source code is governed by a BSD-style license that can be 35821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// found in the LICENSE file. 45821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 55821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "net/proxy/proxy_resolver_v8.h" 65821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 75821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include <algorithm> 85821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include <cstdio> 95821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 105821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "base/basictypes.h" 115821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "base/compiler_specific.h" 125821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "base/logging.h" 132a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)#include "base/strings/string_tokenizer.h" 147dbb3d5cf0c15f500944d211057644d6a2f37371Ben Murdoch#include "base/strings/string_util.h" 15868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles)#include "base/strings/utf_string_conversions.h" 165821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "base/synchronization/lock.h" 175821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "net/base/net_errors.h" 185821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "net/base/net_log.h" 195821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "net/base/net_util.h" 205821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "net/proxy/proxy_info.h" 215821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "net/proxy/proxy_resolver_script.h" 227dbb3d5cf0c15f500944d211057644d6a2f37371Ben Murdoch#include "url/gurl.h" 237dbb3d5cf0c15f500944d211057644d6a2f37371Ben Murdoch#include "url/url_canon.h" 245821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "v8/include/v8.h" 255821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 265821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// Notes on the javascript environment: 275821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// 285821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// For the majority of the PAC utility functions, we use the same code 295821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// as Firefox. See the javascript library that proxy_resolver_scipt.h 305821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// pulls in. 315821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// 325821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// In addition, we implement a subset of Microsoft's extensions to PAC. 335821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// - myIpAddressEx() 345821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// - dnsResolveEx() 355821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// - isResolvableEx() 365821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// - isInNetEx() 375821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// - sortIpAddressList() 385821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// 395821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// It is worth noting that the original PAC specification does not describe 405821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// the return values on failure. Consequently, there are compatibility 415821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// differences between browsers on what to return on failure, which are 425821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// illustrated below: 435821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// 445821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// --------------------+-------------+-------------------+-------------- 455821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// | Firefox3 | InternetExplorer8 | --> Us <--- 465821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// --------------------+-------------+-------------------+-------------- 475821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// myIpAddress() | "127.0.0.1" | ??? | "127.0.0.1" 485821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// dnsResolve() | null | false | null 495821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// myIpAddressEx() | N/A | "" | "" 505821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// sortIpAddressList() | N/A | false | false 515821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// dnsResolveEx() | N/A | "" | "" 525821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// isInNetEx() | N/A | false | false 535821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// --------------------+-------------+-------------------+-------------- 545821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// 555821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// TODO(eroman): The cell above reading ??? means I didn't test it. 565821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// 575821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// Another difference is in how dnsResolve() and myIpAddress() are 585821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// implemented -- whether they should restrict to IPv4 results, or 595821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// include both IPv4 and IPv6. The following table illustrates the 605821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// differences: 615821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// 625821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// --------------------+-------------+-------------------+-------------- 635821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// | Firefox3 | InternetExplorer8 | --> Us <--- 645821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// --------------------+-------------+-------------------+-------------- 655821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// myIpAddress() | IPv4/IPv6 | IPv4 | IPv4 665821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// dnsResolve() | IPv4/IPv6 | IPv4 | IPv4 675821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// isResolvable() | IPv4/IPv6 | IPv4 | IPv4 685821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// myIpAddressEx() | N/A | IPv4/IPv6 | IPv4/IPv6 695821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// dnsResolveEx() | N/A | IPv4/IPv6 | IPv4/IPv6 705821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// sortIpAddressList() | N/A | IPv4/IPv6 | IPv4/IPv6 715821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// isResolvableEx() | N/A | IPv4/IPv6 | IPv4/IPv6 725821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// isInNetEx() | N/A | IPv4/IPv6 | IPv4/IPv6 735821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// -----------------+-------------+-------------------+-------------- 745821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 755821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)namespace net { 765821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 775821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)namespace { 785821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 795821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// Pseudo-name for the PAC script. 805821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)const char kPacResourceName[] = "proxy-pac-script.js"; 815821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// Pseudo-name for the PAC utility script. 825821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)const char kPacUtilityResourceName[] = "proxy-pac-utility-script.js"; 835821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 845821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// External string wrapper so V8 can access the UTF16 string wrapped by 855821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// ProxyResolverScriptData. 865821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)class V8ExternalStringFromScriptData 875821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) : public v8::String::ExternalStringResource { 885821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) public: 895821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) explicit V8ExternalStringFromScriptData( 905821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) const scoped_refptr<ProxyResolverScriptData>& script_data) 915821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) : script_data_(script_data) {} 925821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 935821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) virtual const uint16_t* data() const OVERRIDE { 945821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return reinterpret_cast<const uint16*>(script_data_->utf16().data()); 955821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 965821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 975821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) virtual size_t length() const OVERRIDE { 985821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return script_data_->utf16().size(); 995821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 1005821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1015821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) private: 1025821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) const scoped_refptr<ProxyResolverScriptData> script_data_; 1035821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) DISALLOW_COPY_AND_ASSIGN(V8ExternalStringFromScriptData); 1045821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)}; 1055821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1065821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// External string wrapper so V8 can access a string literal. 1075821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)class V8ExternalASCIILiteral : public v8::String::ExternalAsciiStringResource { 1085821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) public: 1095821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // |ascii| must be a NULL-terminated C string, and must remain valid 1105821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // throughout this object's lifetime. 1115821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) V8ExternalASCIILiteral(const char* ascii, size_t length) 1125821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) : ascii_(ascii), length_(length) { 1135821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) DCHECK(IsStringASCII(ascii)); 1145821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 1155821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1165821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) virtual const char* data() const OVERRIDE { 1175821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return ascii_; 1185821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 1195821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1205821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) virtual size_t length() const OVERRIDE { 1215821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return length_; 1225821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 1235821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1245821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) private: 1255821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) const char* ascii_; 1265821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) size_t length_; 1275821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) DISALLOW_COPY_AND_ASSIGN(V8ExternalASCIILiteral); 1285821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)}; 1295821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1305821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// When creating a v8::String from a C++ string we have two choices: create 1315821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// a copy, or create a wrapper that shares the same underlying storage. 1325821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// For small strings it is better to just make a copy, whereas for large 1335821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// strings there are savings by sharing the storage. This number identifies 1345821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// the cutoff length for when to start wrapping rather than creating copies. 1355821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)const size_t kMaxStringBytesForCopy = 256; 1365821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1375821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// Converts a V8 String to a UTF8 std::string. 1385821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)std::string V8StringToUTF8(v8::Handle<v8::String> s) { 1395821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) int len = s->Length(); 1405821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) std::string result; 1415821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (len > 0) 1425821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) s->WriteUtf8(WriteInto(&result, len + 1)); 1435821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return result; 1445821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 1455821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 146c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)// Converts a V8 String to a UTF16 base::string16. 147c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)base::string16 V8StringToUTF16(v8::Handle<v8::String> s) { 1485821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) int len = s->Length(); 149c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) base::string16 result; 1505821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Note that the reinterpret cast is because on Windows string16 is an alias 1515821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // to wstring, and hence has character type wchar_t not uint16_t. 1525821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (len > 0) 1535821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) s->Write(reinterpret_cast<uint16_t*>(WriteInto(&result, len + 1)), 0, len); 1545821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return result; 1555821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 1565821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1575821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// Converts an ASCII std::string to a V8 string. 158a3f6a49ab37290eeeb8db0f41ec0f1cb74a68be7Torne (Richard Coles)v8::Local<v8::String> ASCIIStringToV8String(v8::Isolate* isolate, 159a3f6a49ab37290eeeb8db0f41ec0f1cb74a68be7Torne (Richard Coles) const std::string& s) { 1605821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) DCHECK(IsStringASCII(s)); 161a3f6a49ab37290eeeb8db0f41ec0f1cb74a68be7Torne (Richard Coles) return v8::String::NewFromUtf8(isolate, s.data(), v8::String::kNormalString, 162a3f6a49ab37290eeeb8db0f41ec0f1cb74a68be7Torne (Richard Coles) s.size()); 1635821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 1645821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 165c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)// Converts a UTF16 base::string16 (warpped by a ProxyResolverScriptData) to a 1665821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// V8 string. 1675821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)v8::Local<v8::String> ScriptDataToV8String( 168a3f6a49ab37290eeeb8db0f41ec0f1cb74a68be7Torne (Richard Coles) v8::Isolate* isolate, const scoped_refptr<ProxyResolverScriptData>& s) { 1695821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (s->utf16().size() * 2 <= kMaxStringBytesForCopy) { 170a3f6a49ab37290eeeb8db0f41ec0f1cb74a68be7Torne (Richard Coles) return v8::String::NewFromTwoByte( 171a3f6a49ab37290eeeb8db0f41ec0f1cb74a68be7Torne (Richard Coles) isolate, 1725821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) reinterpret_cast<const uint16_t*>(s->utf16().data()), 173a3f6a49ab37290eeeb8db0f41ec0f1cb74a68be7Torne (Richard Coles) v8::String::kNormalString, 1745821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) s->utf16().size()); 1755821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 176a3f6a49ab37290eeeb8db0f41ec0f1cb74a68be7Torne (Richard Coles) return v8::String::NewExternal(isolate, 177a3f6a49ab37290eeeb8db0f41ec0f1cb74a68be7Torne (Richard Coles) new V8ExternalStringFromScriptData(s)); 1785821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 1795821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1805821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// Converts an ASCII string literal to a V8 string. 181a3f6a49ab37290eeeb8db0f41ec0f1cb74a68be7Torne (Richard Coles)v8::Local<v8::String> ASCIILiteralToV8String(v8::Isolate* isolate, 182a3f6a49ab37290eeeb8db0f41ec0f1cb74a68be7Torne (Richard Coles) const char* ascii) { 1835821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) DCHECK(IsStringASCII(ascii)); 1845821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) size_t length = strlen(ascii); 1855821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (length <= kMaxStringBytesForCopy) 186a3f6a49ab37290eeeb8db0f41ec0f1cb74a68be7Torne (Richard Coles) return v8::String::NewFromUtf8(isolate, ascii, v8::String::kNormalString, 187a3f6a49ab37290eeeb8db0f41ec0f1cb74a68be7Torne (Richard Coles) length); 188a3f6a49ab37290eeeb8db0f41ec0f1cb74a68be7Torne (Richard Coles) return v8::String::NewExternal(isolate, 189a3f6a49ab37290eeeb8db0f41ec0f1cb74a68be7Torne (Richard Coles) new V8ExternalASCIILiteral(ascii, length)); 1905821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 1915821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1925821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// Stringizes a V8 object by calling its toString() method. Returns true 1935821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// on success. This may fail if the toString() throws an exception. 1945821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)bool V8ObjectToUTF16String(v8::Handle<v8::Value> object, 19558537e28ecd584eab876aee8be7156509866d23aTorne (Richard Coles) base::string16* utf16_result, 19658537e28ecd584eab876aee8be7156509866d23aTorne (Richard Coles) v8::Isolate* isolate) { 1975821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (object.IsEmpty()) 1985821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return false; 1995821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 20058537e28ecd584eab876aee8be7156509866d23aTorne (Richard Coles) v8::HandleScope scope(isolate); 2015821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) v8::Local<v8::String> str_object = object->ToString(); 2025821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (str_object.IsEmpty()) 2035821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return false; 2045821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) *utf16_result = V8StringToUTF16(str_object); 2055821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return true; 2065821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 2075821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 2085821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// Extracts an hostname argument from |args|. On success returns true 2095821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// and fills |*hostname| with the result. 2107d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles)bool GetHostnameArgument(const v8::FunctionCallbackInfo<v8::Value>& args, 2117d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles) std::string* hostname) { 2125821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // The first argument should be a string. 2135821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (args.Length() == 0 || args[0].IsEmpty() || !args[0]->IsString()) 2145821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return false; 2155821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 216c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) const base::string16 hostname_utf16 = V8StringToUTF16(args[0]->ToString()); 2175821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 2185821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // If the hostname is already in ASCII, simply return it as is. 2195821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (IsStringASCII(hostname_utf16)) { 2205821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) *hostname = UTF16ToASCII(hostname_utf16); 2215821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return true; 2225821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 2235821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 2245821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Otherwise try to convert it from IDN to punycode. 2255821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) const int kInitialBufferSize = 256; 2265821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) url_canon::RawCanonOutputT<char16, kInitialBufferSize> punycode_output; 2275821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (!url_canon::IDNToASCII(hostname_utf16.data(), 2285821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) hostname_utf16.length(), 2295821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) &punycode_output)) { 2305821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return false; 2315821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 2325821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 2335821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // |punycode_output| should now be ASCII; convert it to a std::string. 2345821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // (We could use UTF16ToASCII() instead, but that requires an extra string 2355821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // copy. Since ASCII is a subset of UTF8 the following is equivalent). 2365821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) bool success = UTF16ToUTF8(punycode_output.data(), 2375821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) punycode_output.length(), 2385821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) hostname); 2395821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) DCHECK(success); 2405821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) DCHECK(IsStringASCII(*hostname)); 2415821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return success; 2425821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 2435821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 2445821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// Wrapper for passing around IP address strings and IPAddressNumber objects. 2455821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)struct IPAddress { 2465821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) IPAddress(const std::string& ip_string, const IPAddressNumber& ip_number) 2475821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) : string_value(ip_string), 2485821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) ip_address_number(ip_number) { 2495821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 2505821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 2515821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Used for sorting IP addresses in ascending order in SortIpAddressList(). 2525821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // IP6 addresses are placed ahead of IPv4 addresses. 2535821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) bool operator<(const IPAddress& rhs) const { 2545821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) const IPAddressNumber& ip1 = this->ip_address_number; 2555821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) const IPAddressNumber& ip2 = rhs.ip_address_number; 2565821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (ip1.size() != ip2.size()) 2575821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return ip1.size() > ip2.size(); // IPv6 before IPv4. 2585821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) DCHECK(ip1.size() == ip2.size()); 2595821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return memcmp(&ip1[0], &ip2[0], ip1.size()) < 0; // Ascending order. 2605821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 2615821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 2625821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) std::string string_value; 2635821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) IPAddressNumber ip_address_number; 2645821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)}; 2655821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 2665821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// Handler for "sortIpAddressList(IpAddressList)". |ip_address_list| is a 2675821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// semi-colon delimited string containing IP addresses. 2685821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// |sorted_ip_address_list| is the resulting list of sorted semi-colon delimited 2695821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// IP addresses or an empty string if unable to sort the IP address list. 2705821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// Returns 'true' if the sorting was successful, and 'false' if the input was an 2715821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// empty string, a string of separators (";" in this case), or if any of the IP 2725821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// addresses in the input list failed to parse. 2735821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)bool SortIpAddressList(const std::string& ip_address_list, 2745821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) std::string* sorted_ip_address_list) { 2755821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) sorted_ip_address_list->clear(); 2765821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 2775821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Strip all whitespace (mimics IE behavior). 2785821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) std::string cleaned_ip_address_list; 279a3f6a49ab37290eeeb8db0f41ec0f1cb74a68be7Torne (Richard Coles) base::RemoveChars(ip_address_list, " \t", &cleaned_ip_address_list); 2805821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (cleaned_ip_address_list.empty()) 2815821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return false; 2825821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 2835821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Split-up IP addresses and store them in a vector. 2845821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) std::vector<IPAddress> ip_vector; 2855821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) IPAddressNumber ip_num; 2862a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) base::StringTokenizer str_tok(cleaned_ip_address_list, ";"); 2875821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) while (str_tok.GetNext()) { 2885821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (!ParseIPLiteralToNumber(str_tok.token(), &ip_num)) 2895821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return false; 2905821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) ip_vector.push_back(IPAddress(str_tok.token(), ip_num)); 2915821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 2925821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 2935821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (ip_vector.empty()) // Can happen if we have something like 2945821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return false; // sortIpAddressList(";") or sortIpAddressList("; ;") 2955821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 2965821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) DCHECK(!ip_vector.empty()); 2975821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 2985821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Sort lists according to ascending numeric value. 2995821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (ip_vector.size() > 1) 3005821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) std::stable_sort(ip_vector.begin(), ip_vector.end()); 3015821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 3025821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Return a semi-colon delimited list of sorted addresses (IPv6 followed by 3035821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // IPv4). 3045821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) for (size_t i = 0; i < ip_vector.size(); ++i) { 3055821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (i > 0) 3065821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) *sorted_ip_address_list += ";"; 3075821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) *sorted_ip_address_list += ip_vector[i].string_value; 3085821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 3095821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return true; 3105821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 3115821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 3125821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// Handler for "isInNetEx(ip_address, ip_prefix)". |ip_address| is a string 3135821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// containing an IPv4/IPv6 address, and |ip_prefix| is a string containg a 3145821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// slash-delimited IP prefix with the top 'n' bits specified in the bit 3155821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// field. This returns 'true' if the address is in the same subnet, and 3165821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// 'false' otherwise. Also returns 'false' if the prefix is in an incorrect 3175821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// format, or if an address and prefix of different types are used (e.g. IPv6 3185821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// address and IPv4 prefix). 3195821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)bool IsInNetEx(const std::string& ip_address, const std::string& ip_prefix) { 3205821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) IPAddressNumber address; 3215821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (!ParseIPLiteralToNumber(ip_address, &address)) 3225821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return false; 3235821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 3245821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) IPAddressNumber prefix; 3255821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) size_t prefix_length_in_bits; 3265821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (!ParseCIDRBlock(ip_prefix, &prefix, &prefix_length_in_bits)) 3275821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return false; 3285821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 3295821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Both |address| and |prefix| must be of the same type (IPv4 or IPv6). 3305821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (address.size() != prefix.size()) 3315821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return false; 3325821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 3335821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) DCHECK((address.size() == 4 && prefix.size() == 4) || 3345821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) (address.size() == 16 && prefix.size() == 16)); 3355821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 3365821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return IPNumberMatchesPrefix(address, prefix, prefix_length_in_bits); 3375821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 3385821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 3395821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} // namespace 3405821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 3415821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// ProxyResolverV8::Context --------------------------------------------------- 3425821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 3435821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)class ProxyResolverV8::Context { 3445821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) public: 3452a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) Context(ProxyResolverV8* parent, v8::Isolate* isolate) 3462a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) : parent_(parent), 3472a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) isolate_(isolate) { 3482a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) DCHECK(isolate); 3495821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 3505821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 3515821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) ~Context() { 3522a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) v8::Locker locked(isolate_); 353f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles) v8::Isolate::Scope isolate_scope(isolate_); 3545821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 355a3f6a49ab37290eeeb8db0f41ec0f1cb74a68be7Torne (Richard Coles) v8_this_.Reset(); 356a3f6a49ab37290eeeb8db0f41ec0f1cb74a68be7Torne (Richard Coles) v8_context_.Reset(); 3572a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) } 3585821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 3592a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) JSBindings* js_bindings() { 3602a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) return parent_->js_bindings_; 3615821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 3625821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 3635821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) int ResolveProxy(const GURL& query_url, ProxyInfo* results) { 3642a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) v8::Locker locked(isolate_); 365f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles) v8::Isolate::Scope isolate_scope(isolate_); 36690dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles) v8::HandleScope scope(isolate_); 3675821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 36890dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles) v8::Local<v8::Context> context = 36990dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles) v8::Local<v8::Context>::New(isolate_, v8_context_); 37090dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles) v8::Context::Scope function_scope(context); 3715821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 3725821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) v8::Local<v8::Value> function; 3735821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (!GetFindProxyForURL(&function)) { 3742a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) js_bindings()->OnError( 3755821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) -1, ASCIIToUTF16("FindProxyForURL() is undefined.")); 3765821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return ERR_PAC_SCRIPT_FAILED; 3775821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 3785821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 3795821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) v8::Handle<v8::Value> argv[] = { 380a3f6a49ab37290eeeb8db0f41ec0f1cb74a68be7Torne (Richard Coles) ASCIIStringToV8String(isolate_, query_url.spec()), 381a3f6a49ab37290eeeb8db0f41ec0f1cb74a68be7Torne (Richard Coles) ASCIIStringToV8String(isolate_, query_url.HostNoBrackets()), 3825821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) }; 3835821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 3845821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) v8::TryCatch try_catch; 3855821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) v8::Local<v8::Value> ret = v8::Function::Cast(*function)->Call( 38690dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles) context->Global(), arraysize(argv), argv); 3875821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 3885821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (try_catch.HasCaught()) { 3895821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) HandleError(try_catch.Message()); 3905821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return ERR_PAC_SCRIPT_FAILED; 3915821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 3925821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 3935821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (!ret->IsString()) { 3942a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) js_bindings()->OnError( 3955821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) -1, ASCIIToUTF16("FindProxyForURL() did not return a string.")); 3965821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return ERR_PAC_SCRIPT_FAILED; 3975821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 3985821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 399c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) base::string16 ret_str = V8StringToUTF16(ret->ToString()); 4005821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 4015821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (!IsStringASCII(ret_str)) { 4025821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // TODO(eroman): Rather than failing when a wide string is returned, we 4035821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // could extend the parsing to handle IDNA hostnames by 4045821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // converting them to ASCII punycode. 4055821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // crbug.com/47234 406c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) base::string16 error_message = 4075821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) ASCIIToUTF16("FindProxyForURL() returned a non-ASCII string " 4085821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) "(crbug.com/47234): ") + ret_str; 4092a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) js_bindings()->OnError(-1, error_message); 4105821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return ERR_PAC_SCRIPT_FAILED; 4115821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 4125821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 4135821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) results->UsePacString(UTF16ToASCII(ret_str)); 4145821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return OK; 4155821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 4165821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 4175821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) int InitV8(const scoped_refptr<ProxyResolverScriptData>& pac_script) { 4182a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) v8::Locker locked(isolate_); 419f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles) v8::Isolate::Scope isolate_scope(isolate_); 42090dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles) v8::HandleScope scope(isolate_); 4215821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 422f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles) v8_this_.Reset(isolate_, v8::External::New(isolate_, this)); 42390dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles) v8::Local<v8::External> v8_this = 42490dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles) v8::Local<v8::External>::New(isolate_, v8_this_); 4255821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) v8::Local<v8::ObjectTemplate> global_template = v8::ObjectTemplate::New(); 4265821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 4275821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Attach the javascript bindings. 4285821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) v8::Local<v8::FunctionTemplate> alert_template = 429a3f6a49ab37290eeeb8db0f41ec0f1cb74a68be7Torne (Richard Coles) v8::FunctionTemplate::New(isolate_, &AlertCallback, v8_this); 430a3f6a49ab37290eeeb8db0f41ec0f1cb74a68be7Torne (Richard Coles) global_template->Set(ASCIILiteralToV8String(isolate_, "alert"), 431a3f6a49ab37290eeeb8db0f41ec0f1cb74a68be7Torne (Richard Coles) alert_template); 4325821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 4335821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) v8::Local<v8::FunctionTemplate> my_ip_address_template = 434a3f6a49ab37290eeeb8db0f41ec0f1cb74a68be7Torne (Richard Coles) v8::FunctionTemplate::New(isolate_, &MyIpAddressCallback, v8_this); 435a3f6a49ab37290eeeb8db0f41ec0f1cb74a68be7Torne (Richard Coles) global_template->Set(ASCIILiteralToV8String(isolate_, "myIpAddress"), 436a3f6a49ab37290eeeb8db0f41ec0f1cb74a68be7Torne (Richard Coles) my_ip_address_template); 4375821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 4385821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) v8::Local<v8::FunctionTemplate> dns_resolve_template = 439a3f6a49ab37290eeeb8db0f41ec0f1cb74a68be7Torne (Richard Coles) v8::FunctionTemplate::New(isolate_, &DnsResolveCallback, v8_this); 440a3f6a49ab37290eeeb8db0f41ec0f1cb74a68be7Torne (Richard Coles) global_template->Set(ASCIILiteralToV8String(isolate_, "dnsResolve"), 441a3f6a49ab37290eeeb8db0f41ec0f1cb74a68be7Torne (Richard Coles) dns_resolve_template); 4425821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 4435821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Microsoft's PAC extensions: 4445821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 4455821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) v8::Local<v8::FunctionTemplate> dns_resolve_ex_template = 446a3f6a49ab37290eeeb8db0f41ec0f1cb74a68be7Torne (Richard Coles) v8::FunctionTemplate::New(isolate_, &DnsResolveExCallback, v8_this); 447a3f6a49ab37290eeeb8db0f41ec0f1cb74a68be7Torne (Richard Coles) global_template->Set(ASCIILiteralToV8String(isolate_, "dnsResolveEx"), 4485821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) dns_resolve_ex_template); 4495821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 4505821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) v8::Local<v8::FunctionTemplate> my_ip_address_ex_template = 451a3f6a49ab37290eeeb8db0f41ec0f1cb74a68be7Torne (Richard Coles) v8::FunctionTemplate::New(isolate_, &MyIpAddressExCallback, v8_this); 452a3f6a49ab37290eeeb8db0f41ec0f1cb74a68be7Torne (Richard Coles) global_template->Set(ASCIILiteralToV8String(isolate_, "myIpAddressEx"), 4535821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) my_ip_address_ex_template); 4545821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 4555821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) v8::Local<v8::FunctionTemplate> sort_ip_address_list_template = 456a3f6a49ab37290eeeb8db0f41ec0f1cb74a68be7Torne (Richard Coles) v8::FunctionTemplate::New(isolate_, 457a3f6a49ab37290eeeb8db0f41ec0f1cb74a68be7Torne (Richard Coles) &SortIpAddressListCallback, 458a3f6a49ab37290eeeb8db0f41ec0f1cb74a68be7Torne (Richard Coles) v8_this); 459a3f6a49ab37290eeeb8db0f41ec0f1cb74a68be7Torne (Richard Coles) global_template->Set(ASCIILiteralToV8String(isolate_, "sortIpAddressList"), 4605821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) sort_ip_address_list_template); 4615821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 4625821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) v8::Local<v8::FunctionTemplate> is_in_net_ex_template = 463a3f6a49ab37290eeeb8db0f41ec0f1cb74a68be7Torne (Richard Coles) v8::FunctionTemplate::New(isolate_, &IsInNetExCallback, v8_this); 464a3f6a49ab37290eeeb8db0f41ec0f1cb74a68be7Torne (Richard Coles) global_template->Set(ASCIILiteralToV8String(isolate_, "isInNetEx"), 4655821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) is_in_net_ex_template); 4665821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 467a93a17c8d99d686bd4a1511e5504e5e6cc9fcadfTorne (Richard Coles) v8_context_.Reset( 468c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) isolate_, v8::Context::New(isolate_, NULL, global_template)); 4695821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 47090dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles) v8::Local<v8::Context> context = 47190dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles) v8::Local<v8::Context>::New(isolate_, v8_context_); 47290dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles) v8::Context::Scope ctx(context); 4735821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 4745821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Add the PAC utility functions to the environment. 4755821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // (This script should never fail, as it is a string literal!) 4765821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Note that the two string literals are concatenated. 4775821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) int rv = RunScript( 4785821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) ASCIILiteralToV8String( 479a3f6a49ab37290eeeb8db0f41ec0f1cb74a68be7Torne (Richard Coles) isolate_, 4805821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) PROXY_RESOLVER_SCRIPT 4815821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) PROXY_RESOLVER_SCRIPT_EX), 4825821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) kPacUtilityResourceName); 4835821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (rv != OK) { 4845821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) NOTREACHED(); 4855821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return rv; 4865821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 4875821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 4885821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Add the user's PAC code to the environment. 489a3f6a49ab37290eeeb8db0f41ec0f1cb74a68be7Torne (Richard Coles) rv = 490a3f6a49ab37290eeeb8db0f41ec0f1cb74a68be7Torne (Richard Coles) RunScript(ScriptDataToV8String(isolate_, pac_script), kPacResourceName); 4915821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (rv != OK) 4925821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return rv; 4935821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 4945821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // At a minimum, the FindProxyForURL() function must be defined for this 4955821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // to be a legitimiate PAC script. 4965821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) v8::Local<v8::Value> function; 4975821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (!GetFindProxyForURL(&function)) { 4982a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) js_bindings()->OnError( 4995821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) -1, ASCIIToUTF16("FindProxyForURL() is undefined.")); 5005821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return ERR_PAC_SCRIPT_FAILED; 5015821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 5025821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 5035821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return OK; 5045821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 5055821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 5065821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) void PurgeMemory() { 5072a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) v8::Locker locked(isolate_); 508f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles) v8::Isolate::Scope isolate_scope(isolate_); 5095821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) v8::V8::LowMemoryNotification(); 5105821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 5115821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 5125821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) private: 5135821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) bool GetFindProxyForURL(v8::Local<v8::Value>* function) { 51490dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles) v8::Local<v8::Context> context = 515a3f6a49ab37290eeeb8db0f41ec0f1cb74a68be7Torne (Richard Coles) v8::Local<v8::Context>::New(isolate_, v8_context_); 51690dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles) *function = 517a3f6a49ab37290eeeb8db0f41ec0f1cb74a68be7Torne (Richard Coles) context->Global()->Get( 518a3f6a49ab37290eeeb8db0f41ec0f1cb74a68be7Torne (Richard Coles) ASCIILiteralToV8String(isolate_, "FindProxyForURL")); 5195821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return (*function)->IsFunction(); 5205821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 5215821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 5225821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Handle an exception thrown by V8. 5235821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) void HandleError(v8::Handle<v8::Message> message) { 524c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) base::string16 error_message; 5252a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) int line_number = -1; 5262a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 5272a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) if (!message.IsEmpty()) { 5282a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) line_number = message->GetLineNumber(); 52958537e28ecd584eab876aee8be7156509866d23aTorne (Richard Coles) V8ObjectToUTF16String(message->Get(), &error_message, isolate_); 5302a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) } 5312a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 5322a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) js_bindings()->OnError(line_number, error_message); 5335821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 5345821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 5355821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Compiles and runs |script| in the current V8 context. 5365821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Returns OK on success, otherwise an error code. 5375821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) int RunScript(v8::Handle<v8::String> script, const char* script_name) { 5385821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) v8::TryCatch try_catch; 5395821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 5405821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Compile the script. 5415821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) v8::ScriptOrigin origin = 542a3f6a49ab37290eeeb8db0f41ec0f1cb74a68be7Torne (Richard Coles) v8::ScriptOrigin(ASCIILiteralToV8String(isolate_, script_name)); 5435821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) v8::Local<v8::Script> code = v8::Script::Compile(script, &origin); 5445821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 5455821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Execute. 5465821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (!code.IsEmpty()) 5475821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) code->Run(); 5485821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 5495821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Check for errors. 5505821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (try_catch.HasCaught()) { 5515821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) HandleError(try_catch.Message()); 5525821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return ERR_PAC_SCRIPT_FAILED; 5535821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 5545821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 5555821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return OK; 5565821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 5575821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 5585821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // V8 callback for when "alert()" is invoked by the PAC script. 5597d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles) static void AlertCallback(const v8::FunctionCallbackInfo<v8::Value>& args) { 5605821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) Context* context = 5615821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) static_cast<Context*>(v8::External::Cast(*args.Data())->Value()); 5625821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 5635821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Like firefox we assume "undefined" if no argument was specified, and 5645821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // disregard any arguments beyond the first. 565c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) base::string16 message; 5665821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (args.Length() == 0) { 5675821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) message = ASCIIToUTF16("undefined"); 5685821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } else { 56958537e28ecd584eab876aee8be7156509866d23aTorne (Richard Coles) if (!V8ObjectToUTF16String(args[0], &message, args.GetIsolate())) 5707d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles) return; // toString() threw an exception. 5715821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 5725821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 5732a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) context->js_bindings()->Alert(message); 5745821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 5755821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 5765821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // V8 callback for when "myIpAddress()" is invoked by the PAC script. 5777d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles) static void MyIpAddressCallback( 5787d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles) const v8::FunctionCallbackInfo<v8::Value>& args) { 5797d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles) DnsResolveCallbackHelper(args, JSBindings::MY_IP_ADDRESS); 5805821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 5815821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 5825821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // V8 callback for when "myIpAddressEx()" is invoked by the PAC script. 5837d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles) static void MyIpAddressExCallback( 5847d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles) const v8::FunctionCallbackInfo<v8::Value>& args) { 5857d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles) DnsResolveCallbackHelper(args, JSBindings::MY_IP_ADDRESS_EX); 5865821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 5875821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 5885821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // V8 callback for when "dnsResolve()" is invoked by the PAC script. 5897d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles) static void DnsResolveCallback( 5907d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles) const v8::FunctionCallbackInfo<v8::Value>& args) { 5917d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles) DnsResolveCallbackHelper(args, JSBindings::DNS_RESOLVE); 5925821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 5935821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 5945821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // V8 callback for when "dnsResolveEx()" is invoked by the PAC script. 5957d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles) static void DnsResolveExCallback( 5967d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles) const v8::FunctionCallbackInfo<v8::Value>& args) { 5977d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles) DnsResolveCallbackHelper(args, JSBindings::DNS_RESOLVE_EX); 5982a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) } 5992a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 6002a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // Shared code for implementing: 6012a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // - myIpAddress(), myIpAddressEx(), dnsResolve(), dnsResolveEx(). 6027d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles) static void DnsResolveCallbackHelper( 6037d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles) const v8::FunctionCallbackInfo<v8::Value>& args, 6047d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles) JSBindings::ResolveDnsOperation op) { 6055821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) Context* context = 6065821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) static_cast<Context*>(v8::External::Cast(*args.Data())->Value()); 6075821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 6085821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) std::string hostname; 6095821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 6102a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // dnsResolve() and dnsResolveEx() need at least 1 argument. 6112a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) if (op == JSBindings::DNS_RESOLVE || op == JSBindings::DNS_RESOLVE_EX) { 6127d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles) if (!GetHostnameArgument(args, &hostname)) { 6137d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles) if (op == JSBindings::DNS_RESOLVE) 6147d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles) args.GetReturnValue().SetNull(); 6157d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles) return; 6167d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles) } 6172a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) } 6182a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 6192a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) std::string result; 6205821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) bool success; 6212a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) bool terminate = false; 6225821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 6235821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) { 6242a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) v8::Unlocker unlocker(args.GetIsolate()); 6252a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) success = context->js_bindings()->ResolveDns( 6262a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) hostname, op, &result, &terminate); 6275821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 6285821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 6292a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) if (terminate) 6302a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) v8::V8::TerminateExecution(args.GetIsolate()); 6312a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 6327d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles) if (success) { 633a3f6a49ab37290eeeb8db0f41ec0f1cb74a68be7Torne (Richard Coles) args.GetReturnValue().Set( 634a3f6a49ab37290eeeb8db0f41ec0f1cb74a68be7Torne (Richard Coles) ASCIIStringToV8String(args.GetIsolate(), result)); 6357d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles) return; 6367d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles) } 6372a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 6382a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // Each function handles resolution errors differently. 6392a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) switch (op) { 6402a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) case JSBindings::DNS_RESOLVE: 6417d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles) args.GetReturnValue().SetNull(); 6427d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles) return; 6432a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) case JSBindings::DNS_RESOLVE_EX: 6447d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles) args.GetReturnValue().SetEmptyString(); 6457d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles) return; 6462a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) case JSBindings::MY_IP_ADDRESS: 647a3f6a49ab37290eeeb8db0f41ec0f1cb74a68be7Torne (Richard Coles) args.GetReturnValue().Set( 648a3f6a49ab37290eeeb8db0f41ec0f1cb74a68be7Torne (Richard Coles) ASCIILiteralToV8String(args.GetIsolate(), "127.0.0.1")); 6497d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles) return; 6502a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) case JSBindings::MY_IP_ADDRESS_EX: 6517d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles) args.GetReturnValue().SetEmptyString(); 6527d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles) return; 6532a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) } 6545821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 6552a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) NOTREACHED(); 6565821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 6575821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 6585821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // V8 callback for when "sortIpAddressList()" is invoked by the PAC script. 6597d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles) static void SortIpAddressListCallback( 6607d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles) const v8::FunctionCallbackInfo<v8::Value>& args) { 6615821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // We need at least one string argument. 6627d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles) if (args.Length() == 0 || args[0].IsEmpty() || !args[0]->IsString()) { 6637d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles) args.GetReturnValue().SetNull(); 6647d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles) return; 6657d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles) } 6665821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 6675821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) std::string ip_address_list = V8StringToUTF8(args[0]->ToString()); 6687d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles) if (!IsStringASCII(ip_address_list)) { 6697d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles) args.GetReturnValue().SetNull(); 6707d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles) return; 6717d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles) } 6725821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) std::string sorted_ip_address_list; 6735821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) bool success = SortIpAddressList(ip_address_list, &sorted_ip_address_list); 6747d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles) if (!success) { 6757d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles) args.GetReturnValue().Set(false); 6767d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles) return; 6777d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles) } 678a3f6a49ab37290eeeb8db0f41ec0f1cb74a68be7Torne (Richard Coles) args.GetReturnValue().Set( 679a3f6a49ab37290eeeb8db0f41ec0f1cb74a68be7Torne (Richard Coles) ASCIIStringToV8String(args.GetIsolate(), sorted_ip_address_list)); 6805821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 6815821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 6825821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // V8 callback for when "isInNetEx()" is invoked by the PAC script. 6837d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles) static void IsInNetExCallback( 6847d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles) const v8::FunctionCallbackInfo<v8::Value>& args) { 6855821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // We need at least 2 string arguments. 6865821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (args.Length() < 2 || args[0].IsEmpty() || !args[0]->IsString() || 6877d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles) args[1].IsEmpty() || !args[1]->IsString()) { 6887d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles) args.GetReturnValue().SetNull(); 6897d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles) return; 6907d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles) } 6915821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 6925821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) std::string ip_address = V8StringToUTF8(args[0]->ToString()); 6937d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles) if (!IsStringASCII(ip_address)) { 6947d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles) args.GetReturnValue().Set(false); 6957d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles) return; 6967d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles) } 6975821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) std::string ip_prefix = V8StringToUTF8(args[1]->ToString()); 6987d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles) if (!IsStringASCII(ip_prefix)) { 6997d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles) args.GetReturnValue().Set(false); 7007d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles) return; 7017d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles) } 7027d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles) args.GetReturnValue().Set(IsInNetEx(ip_address, ip_prefix)); 7035821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 7045821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 7055821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) mutable base::Lock lock_; 7062a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) ProxyResolverV8* parent_; 7072a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) v8::Isolate* isolate_; 7085821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) v8::Persistent<v8::External> v8_this_; 7095821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) v8::Persistent<v8::Context> v8_context_; 7105821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)}; 7115821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 7125821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// ProxyResolverV8 ------------------------------------------------------------ 7135821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 7142a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)ProxyResolverV8::ProxyResolverV8() 7155821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) : ProxyResolver(true /*expects_pac_bytes*/), 7162a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) js_bindings_(NULL) { 7175821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 7185821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 7195821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)ProxyResolverV8::~ProxyResolverV8() {} 7205821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 7215821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)int ProxyResolverV8::GetProxyForURL( 7225821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) const GURL& query_url, ProxyInfo* results, 7235821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) const CompletionCallback& /*callback*/, 7245821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) RequestHandle* /*request*/, 7255821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) const BoundNetLog& net_log) { 7262a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) DCHECK(js_bindings_); 7272a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 7285821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // If the V8 instance has not been initialized (either because 7295821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // SetPacScript() wasn't called yet, or because it failed. 7302a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) if (!context_) 7315821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return ERR_FAILED; 7325821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 7335821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Otherwise call into V8. 7345821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) int rv = context_->ResolveProxy(query_url, results); 7355821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 7365821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return rv; 7375821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 7385821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 7395821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)void ProxyResolverV8::CancelRequest(RequestHandle request) { 7405821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // This is a synchronous ProxyResolver; no possibility for async requests. 7415821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) NOTREACHED(); 7425821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 7435821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 7445821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)LoadState ProxyResolverV8::GetLoadState(RequestHandle request) const { 7455821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) NOTREACHED(); 7465821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return LOAD_STATE_IDLE; 7475821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 7485821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 7495821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)void ProxyResolverV8::CancelSetPacScript() { 7505821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) NOTREACHED(); 7515821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 7525821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 7535821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)void ProxyResolverV8::PurgeMemory() { 7544e180b6a0b4720a9b8e9e959a882386f690f08ffTorne (Richard Coles) if (context_) 7554e180b6a0b4720a9b8e9e959a882386f690f08ffTorne (Richard Coles) context_->PurgeMemory(); 7565821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 7575821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 7585821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)int ProxyResolverV8::SetPacScript( 7595821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) const scoped_refptr<ProxyResolverScriptData>& script_data, 7605821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) const CompletionCallback& /*callback*/) { 761868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) DCHECK(script_data.get()); 7622a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) DCHECK(js_bindings_); 7632a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 7645821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) context_.reset(); 7655821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (script_data->utf16().empty()) 7665821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return ERR_PAC_SCRIPT_FAILED; 7675821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 7685821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Try parsing the PAC script. 7692a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) scoped_ptr<Context> context(new Context(this, GetDefaultIsolate())); 7705821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) int rv = context->InitV8(script_data); 7715821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (rv == OK) 7725821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) context_.reset(context.release()); 7735821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return rv; 7745821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 7755821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 7762a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)// static 7772a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)void ProxyResolverV8::RememberDefaultIsolate() { 7782a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) v8::Isolate* isolate = v8::Isolate::GetCurrent(); 7792a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) DCHECK(isolate) 7802a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) << "ProxyResolverV8::RememberDefaultIsolate called on wrong thread"; 7812a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) DCHECK(g_default_isolate_ == NULL || g_default_isolate_ == isolate) 7822a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) << "Default Isolate can not be changed"; 7832a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) g_default_isolate_ = isolate; 7842a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)} 7852a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 786a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles)#if defined(OS_WIN) 787a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles)// static 788a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles)void ProxyResolverV8::CreateIsolate() { 789a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles) v8::Isolate* isolate = v8::Isolate::New(); 790a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles) DCHECK(isolate); 791a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles) DCHECK(g_default_isolate_ == NULL) << "Default Isolate can not be set twice"; 792a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles) 793a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles) isolate->Enter(); 794a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles) v8::V8::Initialize(); 795a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles) 796a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles) g_default_isolate_ = isolate; 797a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles)} 798a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles)#endif // defined(OS_WIN) 799a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles) 8002a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)// static 8012a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)v8::Isolate* ProxyResolverV8::GetDefaultIsolate() { 8022a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) DCHECK(g_default_isolate_) 8032a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) << "Must call ProxyResolverV8::RememberDefaultIsolate() first"; 8042a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) return g_default_isolate_; 8052a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)} 8062a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 8072a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)v8::Isolate* ProxyResolverV8::g_default_isolate_ = NULL; 8082a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 8092a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)// static 8102a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)size_t ProxyResolverV8::GetTotalHeapSize() { 8112a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) if (!g_default_isolate_) 8122a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) return 0; 8132a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 8142a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) v8::Locker locked(g_default_isolate_); 815f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles) v8::Isolate::Scope isolate_scope(g_default_isolate_); 8162a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) v8::HeapStatistics heap_statistics; 8172a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) g_default_isolate_->GetHeapStatistics(&heap_statistics); 8182a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) return heap_statistics.total_heap_size(); 8192a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)} 8202a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 8212a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)// static 8222a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)size_t ProxyResolverV8::GetUsedHeapSize() { 8232a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) if (!g_default_isolate_) 8242a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) return 0; 8252a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 8262a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) v8::Locker locked(g_default_isolate_); 827f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles) v8::Isolate::Scope isolate_scope(g_default_isolate_); 8282a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) v8::HeapStatistics heap_statistics; 8292a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) g_default_isolate_->GetHeapStatistics(&heap_statistics); 8302a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) return heap_statistics.used_heap_size(); 8312a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)} 8322a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 8335821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} // namespace net 834