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" 12c5cede9ae108bb15f6b7a8aea21c7e1fefa2834cBen Murdoch#include "base/debug/leak_annotations.h" 135821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "base/logging.h" 142a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)#include "base/strings/string_tokenizer.h" 157dbb3d5cf0c15f500944d211057644d6a2f37371Ben Murdoch#include "base/strings/string_util.h" 16868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles)#include "base/strings/utf_string_conversions.h" 175821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "base/synchronization/lock.h" 181320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci#include "gin/array_buffer.h" 19c5cede9ae108bb15f6b7a8aea21c7e1fefa2834cBen Murdoch#include "gin/public/isolate_holder.h" 205821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "net/base/net_errors.h" 215821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "net/base/net_log.h" 225821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "net/base/net_util.h" 235821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "net/proxy/proxy_info.h" 245821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "net/proxy/proxy_resolver_script.h" 257dbb3d5cf0c15f500944d211057644d6a2f37371Ben Murdoch#include "url/gurl.h" 267dbb3d5cf0c15f500944d211057644d6a2f37371Ben Murdoch#include "url/url_canon.h" 275821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "v8/include/v8.h" 285821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 295821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// Notes on the javascript environment: 305821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// 315821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// For the majority of the PAC utility functions, we use the same code 325821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// as Firefox. See the javascript library that proxy_resolver_scipt.h 335821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// pulls in. 345821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// 355821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// In addition, we implement a subset of Microsoft's extensions to PAC. 365821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// - myIpAddressEx() 375821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// - dnsResolveEx() 385821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// - isResolvableEx() 395821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// - isInNetEx() 405821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// - sortIpAddressList() 415821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// 425821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// It is worth noting that the original PAC specification does not describe 435821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// the return values on failure. Consequently, there are compatibility 445821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// differences between browsers on what to return on failure, which are 455821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// illustrated below: 465821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// 475821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// --------------------+-------------+-------------------+-------------- 485821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// | Firefox3 | InternetExplorer8 | --> Us <--- 495821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// --------------------+-------------+-------------------+-------------- 505821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// myIpAddress() | "127.0.0.1" | ??? | "127.0.0.1" 515821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// dnsResolve() | null | false | null 525821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// myIpAddressEx() | N/A | "" | "" 535821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// sortIpAddressList() | N/A | false | false 545821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// dnsResolveEx() | N/A | "" | "" 555821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// isInNetEx() | N/A | false | false 565821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// --------------------+-------------+-------------------+-------------- 575821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// 585821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// TODO(eroman): The cell above reading ??? means I didn't test it. 595821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// 605821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// Another difference is in how dnsResolve() and myIpAddress() are 615821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// implemented -- whether they should restrict to IPv4 results, or 625821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// include both IPv4 and IPv6. The following table illustrates the 635821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// differences: 645821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// 655821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// --------------------+-------------+-------------------+-------------- 665821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// | Firefox3 | InternetExplorer8 | --> Us <--- 675821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// --------------------+-------------+-------------------+-------------- 685821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// myIpAddress() | IPv4/IPv6 | IPv4 | IPv4 695821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// dnsResolve() | IPv4/IPv6 | IPv4 | IPv4 705821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// isResolvable() | IPv4/IPv6 | IPv4 | IPv4 715821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// myIpAddressEx() | N/A | IPv4/IPv6 | IPv4/IPv6 725821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// dnsResolveEx() | N/A | IPv4/IPv6 | IPv4/IPv6 735821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// sortIpAddressList() | N/A | IPv4/IPv6 | IPv4/IPv6 745821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// isResolvableEx() | N/A | IPv4/IPv6 | IPv4/IPv6 755821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// isInNetEx() | N/A | IPv4/IPv6 | IPv4/IPv6 765821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// -----------------+-------------+-------------------+-------------- 775821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 785821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)namespace net { 795821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 805821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)namespace { 815821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 825821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// Pseudo-name for the PAC script. 835821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)const char kPacResourceName[] = "proxy-pac-script.js"; 845821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// Pseudo-name for the PAC utility script. 855821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)const char kPacUtilityResourceName[] = "proxy-pac-utility-script.js"; 865821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 875821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// External string wrapper so V8 can access the UTF16 string wrapped by 885821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// ProxyResolverScriptData. 895821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)class V8ExternalStringFromScriptData 905821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) : public v8::String::ExternalStringResource { 915821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) public: 925821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) explicit V8ExternalStringFromScriptData( 935821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) const scoped_refptr<ProxyResolverScriptData>& script_data) 945821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) : script_data_(script_data) {} 955821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 965821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) virtual const uint16_t* data() const OVERRIDE { 975821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return reinterpret_cast<const uint16*>(script_data_->utf16().data()); 985821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 995821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1005821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) virtual size_t length() const OVERRIDE { 1015821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return script_data_->utf16().size(); 1025821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 1035821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1045821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) private: 1055821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) const scoped_refptr<ProxyResolverScriptData> script_data_; 1065821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) DISALLOW_COPY_AND_ASSIGN(V8ExternalStringFromScriptData); 1075821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)}; 1085821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1095821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// External string wrapper so V8 can access a string literal. 1105821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)class V8ExternalASCIILiteral : public v8::String::ExternalAsciiStringResource { 1115821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) public: 1125821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // |ascii| must be a NULL-terminated C string, and must remain valid 1135821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // throughout this object's lifetime. 1145821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) V8ExternalASCIILiteral(const char* ascii, size_t length) 1155821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) : ascii_(ascii), length_(length) { 116010d83a9304c5a91596085d917d248abff47903aTorne (Richard Coles) DCHECK(base::IsStringASCII(ascii)); 1175821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 1185821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1195821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) virtual const char* data() const OVERRIDE { 1205821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return ascii_; 1215821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 1225821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1235821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) virtual size_t length() const OVERRIDE { 1245821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return length_; 1255821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 1265821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1275821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) private: 1285821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) const char* ascii_; 1295821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) size_t length_; 1305821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) DISALLOW_COPY_AND_ASSIGN(V8ExternalASCIILiteral); 1315821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)}; 1325821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1335821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// When creating a v8::String from a C++ string we have two choices: create 1345821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// a copy, or create a wrapper that shares the same underlying storage. 1355821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// For small strings it is better to just make a copy, whereas for large 1365821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// strings there are savings by sharing the storage. This number identifies 1375821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// the cutoff length for when to start wrapping rather than creating copies. 1385821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)const size_t kMaxStringBytesForCopy = 256; 1395821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1405821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// Converts a V8 String to a UTF8 std::string. 1415821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)std::string V8StringToUTF8(v8::Handle<v8::String> s) { 1425821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) int len = s->Length(); 1435821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) std::string result; 1445821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (len > 0) 1455821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) s->WriteUtf8(WriteInto(&result, len + 1)); 1465821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return result; 1475821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 1485821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 149c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)// Converts a V8 String to a UTF16 base::string16. 150c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)base::string16 V8StringToUTF16(v8::Handle<v8::String> s) { 1515821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) int len = s->Length(); 152c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) base::string16 result; 1535821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Note that the reinterpret cast is because on Windows string16 is an alias 1545821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // to wstring, and hence has character type wchar_t not uint16_t. 1555821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (len > 0) 1565821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) s->Write(reinterpret_cast<uint16_t*>(WriteInto(&result, len + 1)), 0, len); 1575821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return result; 1585821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 1595821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1605821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// Converts an ASCII std::string to a V8 string. 161a3f6a49ab37290eeeb8db0f41ec0f1cb74a68be7Torne (Richard Coles)v8::Local<v8::String> ASCIIStringToV8String(v8::Isolate* isolate, 162a3f6a49ab37290eeeb8db0f41ec0f1cb74a68be7Torne (Richard Coles) const std::string& s) { 163010d83a9304c5a91596085d917d248abff47903aTorne (Richard Coles) DCHECK(base::IsStringASCII(s)); 164a3f6a49ab37290eeeb8db0f41ec0f1cb74a68be7Torne (Richard Coles) return v8::String::NewFromUtf8(isolate, s.data(), v8::String::kNormalString, 165a3f6a49ab37290eeeb8db0f41ec0f1cb74a68be7Torne (Richard Coles) s.size()); 1665821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 1675821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 168c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)// Converts a UTF16 base::string16 (warpped by a ProxyResolverScriptData) to a 1695821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// V8 string. 1705821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)v8::Local<v8::String> ScriptDataToV8String( 171a3f6a49ab37290eeeb8db0f41ec0f1cb74a68be7Torne (Richard Coles) v8::Isolate* isolate, const scoped_refptr<ProxyResolverScriptData>& s) { 1725821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (s->utf16().size() * 2 <= kMaxStringBytesForCopy) { 173a3f6a49ab37290eeeb8db0f41ec0f1cb74a68be7Torne (Richard Coles) return v8::String::NewFromTwoByte( 174a3f6a49ab37290eeeb8db0f41ec0f1cb74a68be7Torne (Richard Coles) isolate, 1755821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) reinterpret_cast<const uint16_t*>(s->utf16().data()), 176a3f6a49ab37290eeeb8db0f41ec0f1cb74a68be7Torne (Richard Coles) v8::String::kNormalString, 1775821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) s->utf16().size()); 1785821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 179a3f6a49ab37290eeeb8db0f41ec0f1cb74a68be7Torne (Richard Coles) return v8::String::NewExternal(isolate, 180a3f6a49ab37290eeeb8db0f41ec0f1cb74a68be7Torne (Richard Coles) new V8ExternalStringFromScriptData(s)); 1815821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 1825821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1835821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// Converts an ASCII string literal to a V8 string. 184a3f6a49ab37290eeeb8db0f41ec0f1cb74a68be7Torne (Richard Coles)v8::Local<v8::String> ASCIILiteralToV8String(v8::Isolate* isolate, 185a3f6a49ab37290eeeb8db0f41ec0f1cb74a68be7Torne (Richard Coles) const char* ascii) { 186010d83a9304c5a91596085d917d248abff47903aTorne (Richard Coles) DCHECK(base::IsStringASCII(ascii)); 1875821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) size_t length = strlen(ascii); 1885821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (length <= kMaxStringBytesForCopy) 189a3f6a49ab37290eeeb8db0f41ec0f1cb74a68be7Torne (Richard Coles) return v8::String::NewFromUtf8(isolate, ascii, v8::String::kNormalString, 190a3f6a49ab37290eeeb8db0f41ec0f1cb74a68be7Torne (Richard Coles) length); 191a3f6a49ab37290eeeb8db0f41ec0f1cb74a68be7Torne (Richard Coles) return v8::String::NewExternal(isolate, 192a3f6a49ab37290eeeb8db0f41ec0f1cb74a68be7Torne (Richard Coles) new V8ExternalASCIILiteral(ascii, length)); 1935821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 1945821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1955821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// Stringizes a V8 object by calling its toString() method. Returns true 1965821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// on success. This may fail if the toString() throws an exception. 1975821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)bool V8ObjectToUTF16String(v8::Handle<v8::Value> object, 19858537e28ecd584eab876aee8be7156509866d23aTorne (Richard Coles) base::string16* utf16_result, 19958537e28ecd584eab876aee8be7156509866d23aTorne (Richard Coles) v8::Isolate* isolate) { 2005821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (object.IsEmpty()) 2015821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return false; 2025821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 20358537e28ecd584eab876aee8be7156509866d23aTorne (Richard Coles) v8::HandleScope scope(isolate); 2045821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) v8::Local<v8::String> str_object = object->ToString(); 2055821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (str_object.IsEmpty()) 2065821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return false; 2075821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) *utf16_result = V8StringToUTF16(str_object); 2085821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return true; 2095821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 2105821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 2115821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// Extracts an hostname argument from |args|. On success returns true 2125821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// and fills |*hostname| with the result. 2137d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles)bool GetHostnameArgument(const v8::FunctionCallbackInfo<v8::Value>& args, 2147d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles) std::string* hostname) { 2155821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // The first argument should be a string. 2165821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (args.Length() == 0 || args[0].IsEmpty() || !args[0]->IsString()) 2175821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return false; 2185821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 219c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) const base::string16 hostname_utf16 = V8StringToUTF16(args[0]->ToString()); 2205821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 2215821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // If the hostname is already in ASCII, simply return it as is. 222010d83a9304c5a91596085d917d248abff47903aTorne (Richard Coles) if (base::IsStringASCII(hostname_utf16)) { 223a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) *hostname = base::UTF16ToASCII(hostname_utf16); 2245821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return true; 2255821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 2265821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 2275821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Otherwise try to convert it from IDN to punycode. 2285821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) const int kInitialBufferSize = 256; 2295c02ac1a9c1b504631c0a3d2b6e737b5d738bae1Bo Liu url::RawCanonOutputT<base::char16, kInitialBufferSize> punycode_output; 2305c02ac1a9c1b504631c0a3d2b6e737b5d738bae1Bo Liu if (!url::IDNToASCII(hostname_utf16.data(), hostname_utf16.length(), 2315c02ac1a9c1b504631c0a3d2b6e737b5d738bae1Bo Liu &punycode_output)) { 2325821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return false; 2335821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 2345821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 2355821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // |punycode_output| should now be ASCII; convert it to a std::string. 2365821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // (We could use UTF16ToASCII() instead, but that requires an extra string 2375821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // copy. Since ASCII is a subset of UTF8 the following is equivalent). 2385d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) bool success = base::UTF16ToUTF8(punycode_output.data(), 2395821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) punycode_output.length(), 2405821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) hostname); 2415821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) DCHECK(success); 242010d83a9304c5a91596085d917d248abff47903aTorne (Richard Coles) DCHECK(base::IsStringASCII(*hostname)); 2435821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return success; 2445821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 2455821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 2465821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// Wrapper for passing around IP address strings and IPAddressNumber objects. 2475821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)struct IPAddress { 2485821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) IPAddress(const std::string& ip_string, const IPAddressNumber& ip_number) 2495821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) : string_value(ip_string), 2505821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) ip_address_number(ip_number) { 2515821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 2525821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 2535821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Used for sorting IP addresses in ascending order in SortIpAddressList(). 2545821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // IP6 addresses are placed ahead of IPv4 addresses. 2555821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) bool operator<(const IPAddress& rhs) const { 2565821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) const IPAddressNumber& ip1 = this->ip_address_number; 2575821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) const IPAddressNumber& ip2 = rhs.ip_address_number; 2585821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (ip1.size() != ip2.size()) 2595821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return ip1.size() > ip2.size(); // IPv6 before IPv4. 2605821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) DCHECK(ip1.size() == ip2.size()); 2615821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return memcmp(&ip1[0], &ip2[0], ip1.size()) < 0; // Ascending order. 2625821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 2635821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 2645821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) std::string string_value; 2655821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) IPAddressNumber ip_address_number; 2665821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)}; 2675821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 2685821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// Handler for "sortIpAddressList(IpAddressList)". |ip_address_list| is a 2695821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// semi-colon delimited string containing IP addresses. 2705821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// |sorted_ip_address_list| is the resulting list of sorted semi-colon delimited 2715821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// IP addresses or an empty string if unable to sort the IP address list. 2725821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// Returns 'true' if the sorting was successful, and 'false' if the input was an 2735821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// empty string, a string of separators (";" in this case), or if any of the IP 2745821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// addresses in the input list failed to parse. 2755821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)bool SortIpAddressList(const std::string& ip_address_list, 2765821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) std::string* sorted_ip_address_list) { 2775821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) sorted_ip_address_list->clear(); 2785821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 2795821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Strip all whitespace (mimics IE behavior). 2805821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) std::string cleaned_ip_address_list; 281a3f6a49ab37290eeeb8db0f41ec0f1cb74a68be7Torne (Richard Coles) base::RemoveChars(ip_address_list, " \t", &cleaned_ip_address_list); 2825821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (cleaned_ip_address_list.empty()) 2835821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return false; 2845821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 2855821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Split-up IP addresses and store them in a vector. 2865821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) std::vector<IPAddress> ip_vector; 2875821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) IPAddressNumber ip_num; 2882a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) base::StringTokenizer str_tok(cleaned_ip_address_list, ";"); 2895821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) while (str_tok.GetNext()) { 2905821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (!ParseIPLiteralToNumber(str_tok.token(), &ip_num)) 2915821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return false; 2925821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) ip_vector.push_back(IPAddress(str_tok.token(), ip_num)); 2935821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 2945821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 2955821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (ip_vector.empty()) // Can happen if we have something like 2965821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return false; // sortIpAddressList(";") or sortIpAddressList("; ;") 2975821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 2985821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) DCHECK(!ip_vector.empty()); 2995821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 3005821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Sort lists according to ascending numeric value. 3015821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (ip_vector.size() > 1) 3025821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) std::stable_sort(ip_vector.begin(), ip_vector.end()); 3035821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 3045821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Return a semi-colon delimited list of sorted addresses (IPv6 followed by 3055821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // IPv4). 3065821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) for (size_t i = 0; i < ip_vector.size(); ++i) { 3075821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (i > 0) 3085821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) *sorted_ip_address_list += ";"; 3095821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) *sorted_ip_address_list += ip_vector[i].string_value; 3105821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 3115821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return true; 3125821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 3135821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 3145821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// Handler for "isInNetEx(ip_address, ip_prefix)". |ip_address| is a string 3155821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// containing an IPv4/IPv6 address, and |ip_prefix| is a string containg a 3165821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// slash-delimited IP prefix with the top 'n' bits specified in the bit 3175821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// field. This returns 'true' if the address is in the same subnet, and 3185821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// 'false' otherwise. Also returns 'false' if the prefix is in an incorrect 3195821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// format, or if an address and prefix of different types are used (e.g. IPv6 3205821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// address and IPv4 prefix). 3215821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)bool IsInNetEx(const std::string& ip_address, const std::string& ip_prefix) { 3225821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) IPAddressNumber address; 3235821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (!ParseIPLiteralToNumber(ip_address, &address)) 3245821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return false; 3255821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 3265821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) IPAddressNumber prefix; 3275821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) size_t prefix_length_in_bits; 3285821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (!ParseCIDRBlock(ip_prefix, &prefix, &prefix_length_in_bits)) 3295821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return false; 3305821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 3315821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Both |address| and |prefix| must be of the same type (IPv4 or IPv6). 3325821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (address.size() != prefix.size()) 3335821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return false; 3345821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 3355821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) DCHECK((address.size() == 4 && prefix.size() == 4) || 3365821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) (address.size() == 16 && prefix.size() == 16)); 3375821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 3385821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return IPNumberMatchesPrefix(address, prefix, prefix_length_in_bits); 3395821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 3405821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 3415821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} // namespace 3425821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 3435821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// ProxyResolverV8::Context --------------------------------------------------- 3445821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 3455821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)class ProxyResolverV8::Context { 3465821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) public: 3472a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) Context(ProxyResolverV8* parent, v8::Isolate* isolate) 3482a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) : parent_(parent), 3492a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) isolate_(isolate) { 3502a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) DCHECK(isolate); 3515821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 3525821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 3535821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) ~Context() { 3542a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) v8::Locker locked(isolate_); 355f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles) v8::Isolate::Scope isolate_scope(isolate_); 3565821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 357a3f6a49ab37290eeeb8db0f41ec0f1cb74a68be7Torne (Richard Coles) v8_this_.Reset(); 358a3f6a49ab37290eeeb8db0f41ec0f1cb74a68be7Torne (Richard Coles) v8_context_.Reset(); 3592a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) } 3605821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 3612a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) JSBindings* js_bindings() { 3622a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) return parent_->js_bindings_; 3635821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 3645821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 3655821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) int ResolveProxy(const GURL& query_url, ProxyInfo* results) { 3662a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) v8::Locker locked(isolate_); 367f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles) v8::Isolate::Scope isolate_scope(isolate_); 36890dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles) v8::HandleScope scope(isolate_); 3695821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 37090dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles) v8::Local<v8::Context> context = 37190dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles) v8::Local<v8::Context>::New(isolate_, v8_context_); 37290dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles) v8::Context::Scope function_scope(context); 3735821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 3745821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) v8::Local<v8::Value> function; 3755821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (!GetFindProxyForURL(&function)) { 3762a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) js_bindings()->OnError( 3775d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) -1, base::ASCIIToUTF16("FindProxyForURL() is undefined.")); 3785821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return ERR_PAC_SCRIPT_FAILED; 3795821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 3805821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 3815821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) v8::Handle<v8::Value> argv[] = { 382a3f6a49ab37290eeeb8db0f41ec0f1cb74a68be7Torne (Richard Coles) ASCIIStringToV8String(isolate_, query_url.spec()), 383a3f6a49ab37290eeeb8db0f41ec0f1cb74a68be7Torne (Richard Coles) ASCIIStringToV8String(isolate_, query_url.HostNoBrackets()), 3845821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) }; 3855821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 3865821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) v8::TryCatch try_catch; 3875821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) v8::Local<v8::Value> ret = v8::Function::Cast(*function)->Call( 38890dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles) context->Global(), arraysize(argv), argv); 3895821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 3905821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (try_catch.HasCaught()) { 3915821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) HandleError(try_catch.Message()); 3925821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return ERR_PAC_SCRIPT_FAILED; 3935821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 3945821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 3955821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (!ret->IsString()) { 3962a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) js_bindings()->OnError( 3975d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) -1, base::ASCIIToUTF16("FindProxyForURL() did not return a string.")); 3985821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return ERR_PAC_SCRIPT_FAILED; 3995821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 4005821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 401c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) base::string16 ret_str = V8StringToUTF16(ret->ToString()); 4025821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 403010d83a9304c5a91596085d917d248abff47903aTorne (Richard Coles) if (!base::IsStringASCII(ret_str)) { 4045821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // TODO(eroman): Rather than failing when a wide string is returned, we 4055821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // could extend the parsing to handle IDNA hostnames by 4065821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // converting them to ASCII punycode. 4075821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // crbug.com/47234 408c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) base::string16 error_message = 4095d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) base::ASCIIToUTF16("FindProxyForURL() returned a non-ASCII string " 4105d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) "(crbug.com/47234): ") + ret_str; 4112a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) js_bindings()->OnError(-1, error_message); 4125821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return ERR_PAC_SCRIPT_FAILED; 4135821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 4145821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 415a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) results->UsePacString(base::UTF16ToASCII(ret_str)); 4165821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return OK; 4175821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 4185821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 4195821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) int InitV8(const scoped_refptr<ProxyResolverScriptData>& pac_script) { 4202a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) v8::Locker locked(isolate_); 421f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles) v8::Isolate::Scope isolate_scope(isolate_); 42290dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles) v8::HandleScope scope(isolate_); 4235821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 424f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles) v8_this_.Reset(isolate_, v8::External::New(isolate_, this)); 42590dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles) v8::Local<v8::External> v8_this = 42690dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles) v8::Local<v8::External>::New(isolate_, v8_this_); 4275d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) v8::Local<v8::ObjectTemplate> global_template = 4285d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) v8::ObjectTemplate::New(isolate_); 4295821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 4305821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Attach the javascript bindings. 4315821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) v8::Local<v8::FunctionTemplate> alert_template = 432a3f6a49ab37290eeeb8db0f41ec0f1cb74a68be7Torne (Richard Coles) v8::FunctionTemplate::New(isolate_, &AlertCallback, v8_this); 433a3f6a49ab37290eeeb8db0f41ec0f1cb74a68be7Torne (Richard Coles) global_template->Set(ASCIILiteralToV8String(isolate_, "alert"), 434a3f6a49ab37290eeeb8db0f41ec0f1cb74a68be7Torne (Richard Coles) alert_template); 4355821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 4365821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) v8::Local<v8::FunctionTemplate> my_ip_address_template = 437a3f6a49ab37290eeeb8db0f41ec0f1cb74a68be7Torne (Richard Coles) v8::FunctionTemplate::New(isolate_, &MyIpAddressCallback, v8_this); 438a3f6a49ab37290eeeb8db0f41ec0f1cb74a68be7Torne (Richard Coles) global_template->Set(ASCIILiteralToV8String(isolate_, "myIpAddress"), 439a3f6a49ab37290eeeb8db0f41ec0f1cb74a68be7Torne (Richard Coles) my_ip_address_template); 4405821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 4415821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) v8::Local<v8::FunctionTemplate> dns_resolve_template = 442a3f6a49ab37290eeeb8db0f41ec0f1cb74a68be7Torne (Richard Coles) v8::FunctionTemplate::New(isolate_, &DnsResolveCallback, v8_this); 443a3f6a49ab37290eeeb8db0f41ec0f1cb74a68be7Torne (Richard Coles) global_template->Set(ASCIILiteralToV8String(isolate_, "dnsResolve"), 444a3f6a49ab37290eeeb8db0f41ec0f1cb74a68be7Torne (Richard Coles) dns_resolve_template); 4455821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 4465821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Microsoft's PAC extensions: 4475821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 4485821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) v8::Local<v8::FunctionTemplate> dns_resolve_ex_template = 449a3f6a49ab37290eeeb8db0f41ec0f1cb74a68be7Torne (Richard Coles) v8::FunctionTemplate::New(isolate_, &DnsResolveExCallback, v8_this); 450a3f6a49ab37290eeeb8db0f41ec0f1cb74a68be7Torne (Richard Coles) global_template->Set(ASCIILiteralToV8String(isolate_, "dnsResolveEx"), 4515821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) dns_resolve_ex_template); 4525821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 4535821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) v8::Local<v8::FunctionTemplate> my_ip_address_ex_template = 454a3f6a49ab37290eeeb8db0f41ec0f1cb74a68be7Torne (Richard Coles) v8::FunctionTemplate::New(isolate_, &MyIpAddressExCallback, v8_this); 455a3f6a49ab37290eeeb8db0f41ec0f1cb74a68be7Torne (Richard Coles) global_template->Set(ASCIILiteralToV8String(isolate_, "myIpAddressEx"), 4565821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) my_ip_address_ex_template); 4575821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 4585821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) v8::Local<v8::FunctionTemplate> sort_ip_address_list_template = 459a3f6a49ab37290eeeb8db0f41ec0f1cb74a68be7Torne (Richard Coles) v8::FunctionTemplate::New(isolate_, 460a3f6a49ab37290eeeb8db0f41ec0f1cb74a68be7Torne (Richard Coles) &SortIpAddressListCallback, 461a3f6a49ab37290eeeb8db0f41ec0f1cb74a68be7Torne (Richard Coles) v8_this); 462a3f6a49ab37290eeeb8db0f41ec0f1cb74a68be7Torne (Richard Coles) global_template->Set(ASCIILiteralToV8String(isolate_, "sortIpAddressList"), 4635821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) sort_ip_address_list_template); 4645821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 4655821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) v8::Local<v8::FunctionTemplate> is_in_net_ex_template = 466a3f6a49ab37290eeeb8db0f41ec0f1cb74a68be7Torne (Richard Coles) v8::FunctionTemplate::New(isolate_, &IsInNetExCallback, v8_this); 467a3f6a49ab37290eeeb8db0f41ec0f1cb74a68be7Torne (Richard Coles) global_template->Set(ASCIILiteralToV8String(isolate_, "isInNetEx"), 4685821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) is_in_net_ex_template); 4695821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 470a93a17c8d99d686bd4a1511e5504e5e6cc9fcadfTorne (Richard Coles) v8_context_.Reset( 471c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) isolate_, v8::Context::New(isolate_, NULL, global_template)); 4725821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 47390dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles) v8::Local<v8::Context> context = 47490dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles) v8::Local<v8::Context>::New(isolate_, v8_context_); 47590dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles) v8::Context::Scope ctx(context); 4765821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 4775821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Add the PAC utility functions to the environment. 4785821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // (This script should never fail, as it is a string literal!) 4795821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Note that the two string literals are concatenated. 4805821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) int rv = RunScript( 4815821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) ASCIILiteralToV8String( 482a3f6a49ab37290eeeb8db0f41ec0f1cb74a68be7Torne (Richard Coles) isolate_, 4835821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) PROXY_RESOLVER_SCRIPT 4845821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) PROXY_RESOLVER_SCRIPT_EX), 4855821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) kPacUtilityResourceName); 4865821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (rv != OK) { 4875821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) NOTREACHED(); 4885821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return rv; 4895821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 4905821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 4915821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Add the user's PAC code to the environment. 492a3f6a49ab37290eeeb8db0f41ec0f1cb74a68be7Torne (Richard Coles) rv = 493a3f6a49ab37290eeeb8db0f41ec0f1cb74a68be7Torne (Richard Coles) RunScript(ScriptDataToV8String(isolate_, pac_script), kPacResourceName); 4945821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (rv != OK) 4955821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return rv; 4965821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 4975821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // At a minimum, the FindProxyForURL() function must be defined for this 4985821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // to be a legitimiate PAC script. 4995821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) v8::Local<v8::Value> function; 5005821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (!GetFindProxyForURL(&function)) { 5012a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) js_bindings()->OnError( 5025d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) -1, base::ASCIIToUTF16("FindProxyForURL() is undefined.")); 5035821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return ERR_PAC_SCRIPT_FAILED; 5045821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 5055821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 5065821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return OK; 5075821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 5085821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 5095821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) private: 5105821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) bool GetFindProxyForURL(v8::Local<v8::Value>* function) { 51190dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles) v8::Local<v8::Context> context = 512a3f6a49ab37290eeeb8db0f41ec0f1cb74a68be7Torne (Richard Coles) v8::Local<v8::Context>::New(isolate_, v8_context_); 51390dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles) *function = 514a3f6a49ab37290eeeb8db0f41ec0f1cb74a68be7Torne (Richard Coles) context->Global()->Get( 515a3f6a49ab37290eeeb8db0f41ec0f1cb74a68be7Torne (Richard Coles) ASCIILiteralToV8String(isolate_, "FindProxyForURL")); 5165821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return (*function)->IsFunction(); 5175821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 5185821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 5195821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Handle an exception thrown by V8. 5205821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) void HandleError(v8::Handle<v8::Message> message) { 521c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) base::string16 error_message; 5222a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) int line_number = -1; 5232a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 5242a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) if (!message.IsEmpty()) { 5252a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) line_number = message->GetLineNumber(); 52658537e28ecd584eab876aee8be7156509866d23aTorne (Richard Coles) V8ObjectToUTF16String(message->Get(), &error_message, isolate_); 5272a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) } 5282a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 5292a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) js_bindings()->OnError(line_number, error_message); 5305821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 5315821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 5325821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Compiles and runs |script| in the current V8 context. 5335821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Returns OK on success, otherwise an error code. 5345821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) int RunScript(v8::Handle<v8::String> script, const char* script_name) { 5355821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) v8::TryCatch try_catch; 5365821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 5375821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Compile the script. 5385821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) v8::ScriptOrigin origin = 539a3f6a49ab37290eeeb8db0f41ec0f1cb74a68be7Torne (Richard Coles) v8::ScriptOrigin(ASCIILiteralToV8String(isolate_, script_name)); 5405821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) v8::Local<v8::Script> code = v8::Script::Compile(script, &origin); 5415821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 5425821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Execute. 5435821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (!code.IsEmpty()) 5445821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) code->Run(); 5455821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 5465821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Check for errors. 5475821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (try_catch.HasCaught()) { 5485821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) HandleError(try_catch.Message()); 5495821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return ERR_PAC_SCRIPT_FAILED; 5505821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 5515821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 5525821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return OK; 5535821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 5545821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 5555821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // V8 callback for when "alert()" is invoked by the PAC script. 5567d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles) static void AlertCallback(const v8::FunctionCallbackInfo<v8::Value>& args) { 5575821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) Context* context = 5585821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) static_cast<Context*>(v8::External::Cast(*args.Data())->Value()); 5595821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 5605821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Like firefox we assume "undefined" if no argument was specified, and 5615821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // disregard any arguments beyond the first. 562c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) base::string16 message; 5635821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (args.Length() == 0) { 5645d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) message = base::ASCIIToUTF16("undefined"); 5655821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } else { 56658537e28ecd584eab876aee8be7156509866d23aTorne (Richard Coles) if (!V8ObjectToUTF16String(args[0], &message, args.GetIsolate())) 5677d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles) return; // toString() threw an exception. 5685821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 5695821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 5702a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) context->js_bindings()->Alert(message); 5715821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 5725821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 5735821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // V8 callback for when "myIpAddress()" is invoked by the PAC script. 5747d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles) static void MyIpAddressCallback( 5757d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles) const v8::FunctionCallbackInfo<v8::Value>& args) { 5767d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles) DnsResolveCallbackHelper(args, JSBindings::MY_IP_ADDRESS); 5775821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 5785821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 5795821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // V8 callback for when "myIpAddressEx()" is invoked by the PAC script. 5807d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles) static void MyIpAddressExCallback( 5817d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles) const v8::FunctionCallbackInfo<v8::Value>& args) { 5827d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles) DnsResolveCallbackHelper(args, JSBindings::MY_IP_ADDRESS_EX); 5835821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 5845821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 5855821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // V8 callback for when "dnsResolve()" is invoked by the PAC script. 5867d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles) static void DnsResolveCallback( 5877d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles) const v8::FunctionCallbackInfo<v8::Value>& args) { 5887d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles) DnsResolveCallbackHelper(args, JSBindings::DNS_RESOLVE); 5895821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 5905821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 5915821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // V8 callback for when "dnsResolveEx()" is invoked by the PAC script. 5927d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles) static void DnsResolveExCallback( 5937d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles) const v8::FunctionCallbackInfo<v8::Value>& args) { 5947d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles) DnsResolveCallbackHelper(args, JSBindings::DNS_RESOLVE_EX); 5952a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) } 5962a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 5972a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // Shared code for implementing: 5982a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // - myIpAddress(), myIpAddressEx(), dnsResolve(), dnsResolveEx(). 5997d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles) static void DnsResolveCallbackHelper( 6007d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles) const v8::FunctionCallbackInfo<v8::Value>& args, 6017d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles) JSBindings::ResolveDnsOperation op) { 6025821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) Context* context = 6035821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) static_cast<Context*>(v8::External::Cast(*args.Data())->Value()); 6045821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 6055821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) std::string hostname; 6065821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 6072a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // dnsResolve() and dnsResolveEx() need at least 1 argument. 6082a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) if (op == JSBindings::DNS_RESOLVE || op == JSBindings::DNS_RESOLVE_EX) { 6097d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles) if (!GetHostnameArgument(args, &hostname)) { 6107d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles) if (op == JSBindings::DNS_RESOLVE) 6117d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles) args.GetReturnValue().SetNull(); 6127d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles) return; 6137d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles) } 6142a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) } 6152a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 6162a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) std::string result; 6175821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) bool success; 6182a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) bool terminate = false; 6195821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 6205821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) { 6212a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) v8::Unlocker unlocker(args.GetIsolate()); 6222a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) success = context->js_bindings()->ResolveDns( 6232a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) hostname, op, &result, &terminate); 6245821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 6255821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 6262a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) if (terminate) 6272a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) v8::V8::TerminateExecution(args.GetIsolate()); 6282a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 6297d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles) if (success) { 630a3f6a49ab37290eeeb8db0f41ec0f1cb74a68be7Torne (Richard Coles) args.GetReturnValue().Set( 631a3f6a49ab37290eeeb8db0f41ec0f1cb74a68be7Torne (Richard Coles) ASCIIStringToV8String(args.GetIsolate(), result)); 6327d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles) return; 6337d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles) } 6342a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 6352a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // Each function handles resolution errors differently. 6362a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) switch (op) { 6372a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) case JSBindings::DNS_RESOLVE: 6387d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles) args.GetReturnValue().SetNull(); 6397d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles) return; 6402a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) case JSBindings::DNS_RESOLVE_EX: 6417d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles) args.GetReturnValue().SetEmptyString(); 6427d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles) return; 6432a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) case JSBindings::MY_IP_ADDRESS: 644a3f6a49ab37290eeeb8db0f41ec0f1cb74a68be7Torne (Richard Coles) args.GetReturnValue().Set( 645a3f6a49ab37290eeeb8db0f41ec0f1cb74a68be7Torne (Richard Coles) ASCIILiteralToV8String(args.GetIsolate(), "127.0.0.1")); 6467d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles) return; 6472a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) case JSBindings::MY_IP_ADDRESS_EX: 6487d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles) args.GetReturnValue().SetEmptyString(); 6497d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles) return; 6502a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) } 6515821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 6522a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) NOTREACHED(); 6535821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 6545821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 6555821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // V8 callback for when "sortIpAddressList()" is invoked by the PAC script. 6567d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles) static void SortIpAddressListCallback( 6577d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles) const v8::FunctionCallbackInfo<v8::Value>& args) { 6585821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // We need at least one string argument. 6597d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles) if (args.Length() == 0 || args[0].IsEmpty() || !args[0]->IsString()) { 6607d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles) args.GetReturnValue().SetNull(); 6617d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles) return; 6627d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles) } 6635821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 6645821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) std::string ip_address_list = V8StringToUTF8(args[0]->ToString()); 665010d83a9304c5a91596085d917d248abff47903aTorne (Richard Coles) if (!base::IsStringASCII(ip_address_list)) { 6667d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles) args.GetReturnValue().SetNull(); 6677d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles) return; 6687d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles) } 6695821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) std::string sorted_ip_address_list; 6705821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) bool success = SortIpAddressList(ip_address_list, &sorted_ip_address_list); 6717d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles) if (!success) { 6727d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles) args.GetReturnValue().Set(false); 6737d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles) return; 6747d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles) } 675a3f6a49ab37290eeeb8db0f41ec0f1cb74a68be7Torne (Richard Coles) args.GetReturnValue().Set( 676a3f6a49ab37290eeeb8db0f41ec0f1cb74a68be7Torne (Richard Coles) ASCIIStringToV8String(args.GetIsolate(), sorted_ip_address_list)); 6775821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 6785821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 6795821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // V8 callback for when "isInNetEx()" is invoked by the PAC script. 6807d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles) static void IsInNetExCallback( 6817d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles) const v8::FunctionCallbackInfo<v8::Value>& args) { 6825821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // We need at least 2 string arguments. 6835821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (args.Length() < 2 || args[0].IsEmpty() || !args[0]->IsString() || 6847d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles) args[1].IsEmpty() || !args[1]->IsString()) { 6857d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles) args.GetReturnValue().SetNull(); 6867d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles) return; 6877d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles) } 6885821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 6895821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) std::string ip_address = V8StringToUTF8(args[0]->ToString()); 690010d83a9304c5a91596085d917d248abff47903aTorne (Richard Coles) if (!base::IsStringASCII(ip_address)) { 6917d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles) args.GetReturnValue().Set(false); 6927d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles) return; 6937d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles) } 6945821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) std::string ip_prefix = V8StringToUTF8(args[1]->ToString()); 695010d83a9304c5a91596085d917d248abff47903aTorne (Richard Coles) if (!base::IsStringASCII(ip_prefix)) { 6967d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles) args.GetReturnValue().Set(false); 6977d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles) return; 6987d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles) } 6997d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles) args.GetReturnValue().Set(IsInNetEx(ip_address, ip_prefix)); 7005821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 7015821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 7025821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) mutable base::Lock lock_; 7032a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) ProxyResolverV8* parent_; 7042a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) v8::Isolate* isolate_; 7055821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) v8::Persistent<v8::External> v8_this_; 7065821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) v8::Persistent<v8::Context> v8_context_; 7075821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)}; 7085821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 7095821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// ProxyResolverV8 ------------------------------------------------------------ 7105821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 7112a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)ProxyResolverV8::ProxyResolverV8() 7125821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) : ProxyResolver(true /*expects_pac_bytes*/), 7132a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) js_bindings_(NULL) { 7145821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 7155821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 7165821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)ProxyResolverV8::~ProxyResolverV8() {} 7175821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 7185821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)int ProxyResolverV8::GetProxyForURL( 7195821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) const GURL& query_url, ProxyInfo* results, 7205821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) const CompletionCallback& /*callback*/, 7215821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) RequestHandle* /*request*/, 7225821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) const BoundNetLog& net_log) { 7232a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) DCHECK(js_bindings_); 7242a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 7255821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // If the V8 instance has not been initialized (either because 7265821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // SetPacScript() wasn't called yet, or because it failed. 7272a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) if (!context_) 7285821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return ERR_FAILED; 7295821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 7305821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Otherwise call into V8. 7315821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) int rv = context_->ResolveProxy(query_url, results); 7325821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 7335821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return rv; 7345821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 7355821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 7365821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)void ProxyResolverV8::CancelRequest(RequestHandle request) { 7375821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // This is a synchronous ProxyResolver; no possibility for async requests. 7385821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) NOTREACHED(); 7395821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 7405821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 7415821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)LoadState ProxyResolverV8::GetLoadState(RequestHandle request) const { 7425821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) NOTREACHED(); 7435821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return LOAD_STATE_IDLE; 7445821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 7455821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 7465821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)void ProxyResolverV8::CancelSetPacScript() { 7475821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) NOTREACHED(); 7485821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 7495821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 7505821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)int ProxyResolverV8::SetPacScript( 7515821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) const scoped_refptr<ProxyResolverScriptData>& script_data, 7525821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) const CompletionCallback& /*callback*/) { 753868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) DCHECK(script_data.get()); 7542a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) DCHECK(js_bindings_); 7552a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 7565821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) context_.reset(); 7575821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (script_data->utf16().empty()) 7585821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return ERR_PAC_SCRIPT_FAILED; 7595821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 7605821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Try parsing the PAC script. 7612a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) scoped_ptr<Context> context(new Context(this, GetDefaultIsolate())); 7625821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) int rv = context->InitV8(script_data); 7635821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (rv == OK) 7645821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) context_.reset(context.release()); 7655821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return rv; 7665821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 7675821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 7682a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)// static 769c5cede9ae108bb15f6b7a8aea21c7e1fefa2834cBen Murdochvoid ProxyResolverV8::EnsureIsolateCreated() { 770c5cede9ae108bb15f6b7a8aea21c7e1fefa2834cBen Murdoch if (g_proxy_resolver_isolate_) 771c5cede9ae108bb15f6b7a8aea21c7e1fefa2834cBen Murdoch return; 7721320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci gin::IsolateHolder::Initialize(gin::IsolateHolder::kNonStrictMode, 7731320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci gin::ArrayBufferAllocator::SharedInstance()); 7741320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci g_proxy_resolver_isolate_ = new gin::IsolateHolder; 775c5cede9ae108bb15f6b7a8aea21c7e1fefa2834cBen Murdoch ANNOTATE_LEAKING_OBJECT_PTR(g_proxy_resolver_isolate_); 7762a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)} 7772a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 7782a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)// static 7792a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)v8::Isolate* ProxyResolverV8::GetDefaultIsolate() { 780c5cede9ae108bb15f6b7a8aea21c7e1fefa2834cBen Murdoch DCHECK(g_proxy_resolver_isolate_) 781c5cede9ae108bb15f6b7a8aea21c7e1fefa2834cBen Murdoch << "Must call ProxyResolverV8::EnsureIsolateCreated() first"; 782c5cede9ae108bb15f6b7a8aea21c7e1fefa2834cBen Murdoch return g_proxy_resolver_isolate_->isolate(); 7832a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)} 7842a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 785c5cede9ae108bb15f6b7a8aea21c7e1fefa2834cBen Murdochgin::IsolateHolder* ProxyResolverV8::g_proxy_resolver_isolate_ = NULL; 7862a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 7872a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)// static 7882a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)size_t ProxyResolverV8::GetTotalHeapSize() { 789c5cede9ae108bb15f6b7a8aea21c7e1fefa2834cBen Murdoch if (!g_proxy_resolver_isolate_) 7902a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) return 0; 7912a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 792c5cede9ae108bb15f6b7a8aea21c7e1fefa2834cBen Murdoch v8::Locker locked(g_proxy_resolver_isolate_->isolate()); 793c5cede9ae108bb15f6b7a8aea21c7e1fefa2834cBen Murdoch v8::Isolate::Scope isolate_scope(g_proxy_resolver_isolate_->isolate()); 7942a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) v8::HeapStatistics heap_statistics; 795c5cede9ae108bb15f6b7a8aea21c7e1fefa2834cBen Murdoch g_proxy_resolver_isolate_->isolate()->GetHeapStatistics(&heap_statistics); 7962a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) return heap_statistics.total_heap_size(); 7972a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)} 7982a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 7992a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)// static 8002a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)size_t ProxyResolverV8::GetUsedHeapSize() { 801c5cede9ae108bb15f6b7a8aea21c7e1fefa2834cBen Murdoch if (!g_proxy_resolver_isolate_) 8022a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) return 0; 8032a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 804c5cede9ae108bb15f6b7a8aea21c7e1fefa2834cBen Murdoch v8::Locker locked(g_proxy_resolver_isolate_->isolate()); 805c5cede9ae108bb15f6b7a8aea21c7e1fefa2834cBen Murdoch v8::Isolate::Scope isolate_scope(g_proxy_resolver_isolate_->isolate()); 8062a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) v8::HeapStatistics heap_statistics; 807c5cede9ae108bb15f6b7a8aea21c7e1fefa2834cBen Murdoch g_proxy_resolver_isolate_->isolate()->GetHeapStatistics(&heap_statistics); 8082a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) return heap_statistics.used_heap_size(); 8092a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)} 8102a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 8115821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} // namespace net 812