The Tor Browser: netwerk/protocol/http/nsHttpConnectionInfo.cpp@6474c204b198

Cloned upstream origin tor-browser at tor-browser-31.3.0esr-4.5-1-build1
revision ID fc1c9ff7c1b2defdbc039f12214767608f46423f for hacking purpose.

     1 /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*- */

     2 /* vim: set sw=4 ts=8 et tw=80 : */

     3 /* This Source Code Form is subject to the terms of the Mozilla Public

     4  * License, v. 2.0. If a copy of the MPL was not distributed with this

     5  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */

     7 // HttpLog.h should generally be included first

     8 #include "HttpLog.h"

    10 // Log on level :5, instead of default :4.

    11 #undef LOG

    12 #define LOG(args) LOG5(args)

    13 #undef LOG_ENABLED

    14 #define LOG_ENABLED() LOG5_ENABLED()

    16 #include "nsHttpConnectionInfo.h"

    17 #include "mozilla/net/DNS.h"

    18 #include "prnetdb.h"

    20 namespace mozilla {

    21 namespace net {

    23 nsHttpConnectionInfo::nsHttpConnectionInfo(const nsACString &host, int32_t port,

    24                                            const nsACString &username,

    25                                            nsProxyInfo* proxyInfo,

    26                                            bool usingSSL)

    27     : mUsername(username)

    28     , mProxyInfo(proxyInfo)

    29     , mUsingSSL(usingSSL)

    30     , mUsingConnect(false)

    31 {

    32     LOG(("Creating nsHttpConnectionInfo @%x\n", this));

    34     mUsingHttpProxy = (proxyInfo && proxyInfo->IsHTTP());

    36     if (mUsingHttpProxy) {

    37         mUsingConnect = mUsingSSL;  // SSL always uses CONNECT

    38         uint32_t resolveFlags = 0;

    39         if (NS_SUCCEEDED(mProxyInfo->GetResolveFlags(&resolveFlags)) &&

    40             resolveFlags & nsIProtocolProxyService::RESOLVE_ALWAYS_TUNNEL) {

    41             mUsingConnect = true;

    42         }

    43     }

    45     SetOriginServer(host, port);

    46 }

    48 void

    49 nsHttpConnectionInfo::SetOriginServer(const nsACString &host, int32_t port)

    50 {

    51     mHost = host;

    52     mPort = port == -1 ? DefaultPort() : port;

    54     //

    55     // build hash key:

    56     //

    57     // the hash key uniquely identifies the connection type.  two connections

    58     // are "equal" if they end up talking the same protocol to the same server

    59     // and are both used for anonymous or non-anonymous connection only;

    60     // anonymity of the connection is setup later from nsHttpChannel::AsyncOpen

    61     // where we know we use anonymous connection (LOAD_ANONYMOUS load flag)

    62     //

    64     const char *keyHost;

    65     int32_t keyPort;

    67     if (mUsingHttpProxy && !mUsingConnect) {

    68         keyHost = ProxyHost();

    69         keyPort = ProxyPort();

    70     }

    71     else {

    72         keyHost = Host();

    73         keyPort = Port();

    74     }

    76     mHashKey.AssignLiteral("....");

    77     mHashKey.Append(keyHost);

    78     mHashKey.Append(':');

    79     mHashKey.AppendInt(keyPort);

    80     if (!mUsername.IsEmpty()) {

    81         mHashKey.Append('[');

    82         mHashKey.Append(mUsername);

    83         mHashKey.Append(']');

    84     }

    86     if (mUsingHttpProxy)

    87         mHashKey.SetCharAt('P', 0);

    88     if (mUsingSSL)

    89         mHashKey.SetCharAt('S', 1);

    91     // NOTE: for transparent proxies (e.g., SOCKS) we need to encode the proxy

    92     // info in the hash key (this ensures that we will continue to speak the

    93     // right protocol even if our proxy preferences change).

    94     //

    95     // NOTE: for SSL tunnels add the proxy information to the cache key.

    96     // We cannot use the proxy as the host parameter (as we do for non SSL)

    97     // because this is a single host tunnel, but we need to include the proxy

    98     // information so that a change in proxy config will mean this connection

    99     // is not reused

   101     if ((!mUsingHttpProxy && ProxyHost()) ||

   102         (mUsingHttpProxy && mUsingConnect)) {

   103         mHashKey.AppendLiteral(" (");

   104         mHashKey.Append(ProxyType());

   105         mHashKey.Append(':');

   106         mHashKey.Append(ProxyHost());

   107         mHashKey.Append(':');

   108         mHashKey.AppendInt(ProxyPort());

   109         mHashKey.Append(')');

   110     }

   111 }

   113 nsHttpConnectionInfo*

   114 nsHttpConnectionInfo::Clone() const

   115 {

   116     nsHttpConnectionInfo* clone = new nsHttpConnectionInfo(mHost, mPort, mUsername, mProxyInfo, mUsingSSL);

   118     // Make sure the anonymous and private flags are transferred!

   119     clone->SetAnonymous(GetAnonymous());

   120     clone->SetPrivate(GetPrivate());

   122     return clone;

   123 }

   125 bool

   126 nsHttpConnectionInfo::UsingProxy()

   127 {

   128     if (!mProxyInfo)

   129         return false;

   130     return !mProxyInfo->IsDirect();

   131 }

   133 bool

   134 nsHttpConnectionInfo::HostIsLocalIPLiteral() const

   135 {

   136     PRNetAddr prAddr;

   137     // If the host/proxy host is not an IP address literal, return false.

   138     if (ProxyHost()) {

   139         if (PR_StringToNetAddr(ProxyHost(), &prAddr) != PR_SUCCESS) {

   140           return false;

   141         }

   142     } else if (PR_StringToNetAddr(Host(), &prAddr) != PR_SUCCESS) {

   143         return false;

   144     }

   145     NetAddr netAddr;

   146     PRNetAddrToNetAddr(&prAddr, &netAddr);

   147     return IsIPAddrLocal(&netAddr);

   148 }

   150 } // namespace mozilla::net

   151 } // namespace mozilla

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