mirror of
https://github.com/mozilla/gecko-dev.git
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363 lines
11 KiB
Plaintext
363 lines
11 KiB
Plaintext
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim:set ts=2 sw=2 sts=2 et: */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#import <Cocoa/Cocoa.h>
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#import <SystemConfiguration/SystemConfiguration.h>
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#include "nsISystemProxySettings.h"
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#include "mozilla/ModuleUtils.h"
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#include "nsIServiceManager.h"
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#include "nsPrintfCString.h"
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#include "nsNetUtil.h"
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#include "nsISupportsPrimitives.h"
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#include "nsIURI.h"
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#include "nsObjCExceptions.h"
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#include "mozilla/Attributes.h"
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class nsOSXSystemProxySettings MOZ_FINAL : public nsISystemProxySettings {
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public:
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NS_DECL_THREADSAFE_ISUPPORTS
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NS_DECL_NSISYSTEMPROXYSETTINGS
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nsOSXSystemProxySettings();
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nsresult Init();
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// called by OSX when the proxy settings have changed
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void ProxyHasChanged();
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// is there a PAC url specified in the system configuration
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bool IsAutoconfigEnabled() const;
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// retrieve the pac url
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nsresult GetAutoconfigURL(nsAutoCString& aResult) const;
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// Find the SystemConfiguration proxy & port for a given URI
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nsresult FindSCProxyPort(const nsACString &aScheme, nsACString& aResultHost, int32_t& aResultPort, bool& aResultSocksProxy);
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// is host:port on the proxy exception list?
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bool IsInExceptionList(const nsACString& aHost) const;
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private:
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~nsOSXSystemProxySettings();
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SCDynamicStoreContext mContext;
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SCDynamicStoreRef mSystemDynamicStore;
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NSDictionary* mProxyDict;
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// Mapping of URI schemes to SystemConfiguration keys
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struct SchemeMapping {
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const char* mScheme;
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CFStringRef mEnabled;
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CFStringRef mHost;
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CFStringRef mPort;
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bool mIsSocksProxy;
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};
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static const SchemeMapping gSchemeMappingList[];
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};
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NS_IMPL_ISUPPORTS1(nsOSXSystemProxySettings, nsISystemProxySettings)
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NS_IMETHODIMP
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nsOSXSystemProxySettings::GetMainThreadOnly(bool *aMainThreadOnly)
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{
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*aMainThreadOnly = true;
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return NS_OK;
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}
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// Mapping of URI schemes to SystemConfiguration keys
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const nsOSXSystemProxySettings::SchemeMapping nsOSXSystemProxySettings::gSchemeMappingList[] = {
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{"http", kSCPropNetProxiesHTTPEnable, kSCPropNetProxiesHTTPProxy, kSCPropNetProxiesHTTPPort, false},
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{"https", kSCPropNetProxiesHTTPSEnable, kSCPropNetProxiesHTTPSProxy, kSCPropNetProxiesHTTPSPort, false},
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{"ftp", kSCPropNetProxiesFTPEnable, kSCPropNetProxiesFTPProxy, kSCPropNetProxiesFTPPort, false},
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{"socks", kSCPropNetProxiesSOCKSEnable, kSCPropNetProxiesSOCKSProxy, kSCPropNetProxiesSOCKSPort, true},
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{NULL, NULL, NULL, NULL, false},
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};
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static void
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ProxyHasChangedWrapper(SCDynamicStoreRef aStore, CFArrayRef aChangedKeys, void* aInfo)
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{
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static_cast<nsOSXSystemProxySettings*>(aInfo)->ProxyHasChanged();
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}
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nsOSXSystemProxySettings::nsOSXSystemProxySettings()
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: mSystemDynamicStore(NULL), mProxyDict(NULL)
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{
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mContext = (SCDynamicStoreContext){0, this, NULL, NULL, NULL};
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}
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nsresult
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nsOSXSystemProxySettings::Init()
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{
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NS_OBJC_BEGIN_TRY_ABORT_BLOCK_NSRESULT;
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// Register for notification of proxy setting changes
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// See: http://developer.apple.com/documentation/Networking/Conceptual/CFNetwork/CFStreamTasks/chapter_4_section_5.html
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mSystemDynamicStore = SCDynamicStoreCreate(NULL, CFSTR("Mozilla"), ProxyHasChangedWrapper, &mContext);
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if (!mSystemDynamicStore)
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return NS_ERROR_FAILURE;
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// Set up the store to monitor any changes to the proxies
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CFStringRef proxiesKey = SCDynamicStoreKeyCreateProxies(NULL);
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if (!proxiesKey)
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return NS_ERROR_FAILURE;
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CFArrayRef keyArray = CFArrayCreate(NULL, (const void**)(&proxiesKey), 1, &kCFTypeArrayCallBacks);
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CFRelease(proxiesKey);
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if (!keyArray)
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return NS_ERROR_FAILURE;
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SCDynamicStoreSetNotificationKeys(mSystemDynamicStore, keyArray, NULL);
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CFRelease(keyArray);
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// Add the dynamic store to the run loop
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CFRunLoopSourceRef storeRLSource = SCDynamicStoreCreateRunLoopSource(NULL, mSystemDynamicStore, 0);
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if (!storeRLSource)
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return NS_ERROR_FAILURE;
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CFRunLoopAddSource(CFRunLoopGetCurrent(), storeRLSource, kCFRunLoopCommonModes);
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CFRelease(storeRLSource);
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// Load the initial copy of proxy info
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mProxyDict = (NSDictionary*)SCDynamicStoreCopyProxies(mSystemDynamicStore);
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if (!mProxyDict)
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return NS_ERROR_FAILURE;
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return NS_OK;
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NS_OBJC_END_TRY_ABORT_BLOCK_NSRESULT;
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}
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nsOSXSystemProxySettings::~nsOSXSystemProxySettings()
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{
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NS_OBJC_BEGIN_TRY_ABORT_BLOCK;
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[mProxyDict release];
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if (mSystemDynamicStore) {
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// Invalidate the dynamic store's run loop source
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// to get the store out of the run loop
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CFRunLoopSourceRef rls = SCDynamicStoreCreateRunLoopSource(NULL, mSystemDynamicStore, 0);
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if (rls) {
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CFRunLoopSourceInvalidate(rls);
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CFRelease(rls);
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}
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CFRelease(mSystemDynamicStore);
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}
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NS_OBJC_END_TRY_ABORT_BLOCK;
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}
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void
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nsOSXSystemProxySettings::ProxyHasChanged()
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{
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NS_OBJC_BEGIN_TRY_ABORT_BLOCK;
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[mProxyDict release];
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mProxyDict = (NSDictionary*)SCDynamicStoreCopyProxies(mSystemDynamicStore);
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NS_OBJC_END_TRY_ABORT_BLOCK;
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}
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nsresult
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nsOSXSystemProxySettings::FindSCProxyPort(const nsACString &aScheme, nsACString& aResultHost, int32_t& aResultPort, bool& aResultSocksProxy)
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{
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NS_OBJC_BEGIN_TRY_ABORT_BLOCK_NSRESULT;
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NS_ENSURE_TRUE(mProxyDict != NULL, NS_ERROR_FAILURE);
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for (const SchemeMapping* keys = gSchemeMappingList; keys->mScheme != NULL; ++keys) {
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// Check for matching scheme (when appropriate)
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if (strcasecmp(keys->mScheme, PromiseFlatCString(aScheme).get()) &&
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!keys->mIsSocksProxy)
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continue;
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// Check the proxy is enabled
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NSNumber* enabled = [mProxyDict objectForKey:(NSString*)keys->mEnabled];
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NS_ENSURE_TRUE(enabled == NULL || [enabled isKindOfClass:[NSNumber class]], NS_ERROR_FAILURE);
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if ([enabled intValue] == 0)
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continue;
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// Get the proxy host
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NSString* host = [mProxyDict objectForKey:(NSString*)keys->mHost];
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if (host == NULL)
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break;
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NS_ENSURE_TRUE([host isKindOfClass:[NSString class]], NS_ERROR_FAILURE);
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aResultHost.Assign([host UTF8String]);
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// Get the proxy port
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NSNumber* port = [mProxyDict objectForKey:(NSString*)keys->mPort];
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NS_ENSURE_TRUE([port isKindOfClass:[NSNumber class]], NS_ERROR_FAILURE);
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aResultPort = [port intValue];
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aResultSocksProxy = keys->mIsSocksProxy;
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return NS_OK;
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}
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return NS_ERROR_FAILURE;
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NS_OBJC_END_TRY_ABORT_BLOCK_NSRESULT;
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}
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bool
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nsOSXSystemProxySettings::IsAutoconfigEnabled() const
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{
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NS_OBJC_BEGIN_TRY_ABORT_BLOCK_RETURN;
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NSNumber* value = [mProxyDict objectForKey:(NSString*)kSCPropNetProxiesProxyAutoConfigEnable];
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NS_ENSURE_TRUE(value == NULL || [value isKindOfClass:[NSNumber class]], false);
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return ([value intValue] != 0);
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NS_OBJC_END_TRY_ABORT_BLOCK_RETURN(false);
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}
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nsresult
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nsOSXSystemProxySettings::GetAutoconfigURL(nsAutoCString& aResult) const
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{
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NS_OBJC_BEGIN_TRY_ABORT_BLOCK_NSRESULT;
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NSString* value = [mProxyDict objectForKey:(NSString*)kSCPropNetProxiesProxyAutoConfigURLString];
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if (value != NULL) {
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NS_ENSURE_TRUE([value isKindOfClass:[NSString class]], NS_ERROR_FAILURE);
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aResult.Assign([value UTF8String]);
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return NS_OK;
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}
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return NS_ERROR_FAILURE;
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NS_OBJC_END_TRY_ABORT_BLOCK_NSRESULT;
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}
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static bool
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IsHostProxyEntry(const nsACString& aHost, const nsACString& aOverride)
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{
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nsAutoCString host(aHost);
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nsAutoCString override(aOverride);
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int32_t overrideLength = override.Length();
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int32_t tokenStart = 0;
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int32_t offset = 0;
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bool star = false;
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while (tokenStart < overrideLength) {
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int32_t tokenEnd = override.FindChar('*', tokenStart);
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if (tokenEnd == tokenStart) {
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// Star is the first character in the token.
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star = true;
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tokenStart++;
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// If the character following the '*' is a '.' character then skip
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// it so that "*.foo.com" allows "foo.com".
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if (override.FindChar('.', tokenStart) == tokenStart)
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tokenStart++;
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} else {
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if (tokenEnd == -1)
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tokenEnd = overrideLength; // no '*' char, match rest of string
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nsAutoCString token(Substring(override, tokenStart, tokenEnd - tokenStart));
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offset = host.Find(token, offset);
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if (offset == -1 || (!star && offset))
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return false;
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star = false;
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tokenStart = tokenEnd;
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offset += token.Length();
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}
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}
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return (star || (offset == static_cast<int32_t>(host.Length())));
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}
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bool
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nsOSXSystemProxySettings::IsInExceptionList(const nsACString& aHost) const
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{
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NS_OBJC_BEGIN_TRY_ABORT_BLOCK_RETURN;
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NS_ENSURE_TRUE(mProxyDict != NULL, false);
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NSArray* exceptionList = [mProxyDict objectForKey:(NSString*)kSCPropNetProxiesExceptionsList];
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NS_ENSURE_TRUE(exceptionList == NULL || [exceptionList isKindOfClass:[NSArray class]], false);
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NSEnumerator* exceptionEnumerator = [exceptionList objectEnumerator];
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NSString* currentValue = NULL;
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while ((currentValue = [exceptionEnumerator nextObject])) {
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NS_ENSURE_TRUE([currentValue isKindOfClass:[NSString class]], false);
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nsAutoCString overrideStr([currentValue UTF8String]);
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if (IsHostProxyEntry(aHost, overrideStr))
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return true;
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}
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NS_OBJC_END_TRY_ABORT_BLOCK_RETURN(false);
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}
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nsresult
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nsOSXSystemProxySettings::GetPACURI(nsACString& aResult)
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{
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NS_OBJC_BEGIN_TRY_ABORT_BLOCK_NSRESULT;
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NS_ENSURE_TRUE(mProxyDict != NULL, NS_ERROR_FAILURE);
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nsAutoCString pacUrl;
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if (IsAutoconfigEnabled() && NS_SUCCEEDED(GetAutoconfigURL(pacUrl))) {
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aResult.Assign(pacUrl);
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return NS_OK;
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}
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return NS_ERROR_FAILURE;
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NS_OBJC_END_TRY_ABORT_BLOCK_NSRESULT;
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}
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nsresult
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nsOSXSystemProxySettings::GetProxyForURI(const nsACString & aSpec,
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const nsACString & aScheme,
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const nsACString & aHost,
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const int32_t aPort,
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nsACString & aResult)
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{
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NS_OBJC_BEGIN_TRY_ABORT_BLOCK_NSRESULT;
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int32_t proxyPort;
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nsAutoCString proxyHost;
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bool proxySocks;
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nsresult rv = FindSCProxyPort(aScheme, proxyHost, proxyPort, proxySocks);
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if (NS_FAILED(rv) || IsInExceptionList(aHost)) {
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aResult.AssignLiteral("DIRECT");
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} else if (proxySocks) {
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aResult.Assign(NS_LITERAL_CSTRING("SOCKS ") + proxyHost + nsPrintfCString(":%d", proxyPort));
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} else {
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aResult.Assign(NS_LITERAL_CSTRING("PROXY ") + proxyHost + nsPrintfCString(":%d", proxyPort));
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}
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return NS_OK;
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NS_OBJC_END_TRY_ABORT_BLOCK_NSRESULT;
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}
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#define NS_OSXSYSTEMPROXYSERVICE_CID /* 9afcd4b8-2e0f-41f4-8f1f-3bf0d3cf67de */\
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{ 0x9afcd4b8, 0x2e0f, 0x41f4, \
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{ 0x8f, 0x1f, 0x3b, 0xf0, 0xd3, 0xcf, 0x67, 0xde } }
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NS_GENERIC_FACTORY_CONSTRUCTOR_INIT(nsOSXSystemProxySettings, Init);
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NS_DEFINE_NAMED_CID(NS_OSXSYSTEMPROXYSERVICE_CID);
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static const mozilla::Module::CIDEntry kOSXSysProxyCIDs[] = {
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{ &kNS_OSXSYSTEMPROXYSERVICE_CID, false, NULL, nsOSXSystemProxySettingsConstructor },
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{ NULL }
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};
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static const mozilla::Module::ContractIDEntry kOSXSysProxyContracts[] = {
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{ NS_SYSTEMPROXYSETTINGS_CONTRACTID, &kNS_OSXSYSTEMPROXYSERVICE_CID },
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{ NULL }
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};
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static const mozilla::Module kOSXSysProxyModule = {
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mozilla::Module::kVersion,
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kOSXSysProxyCIDs,
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kOSXSysProxyContracts
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};
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NSMODULE_DEFN(nsOSXProxyModule) = &kOSXSysProxyModule;
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