Source/WebCore/platform/network/cf/ResourceRequestCFNet.cpp

   1 /*
   2  * Copyright (C) 2006, 2007, 2008 Apple Inc.  All rights reserved.
   3  *
   4  * Redistribution and use in source and binary forms, with or without
   5  * modification, are permitted provided that the following conditions
   6  * are met:
   7  * 1. Redistributions of source code must retain the above copyright
   8  *    notice, this list of conditions and the following disclaimer.
   9  * 2. Redistributions in binary form must reproduce the above copyright
  10  *    notice, this list of conditions and the following disclaimer in the
  11  *    documentation and/or other materials provided with the distribution.
  12  *
  13  * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY
  14  * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  15  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
  16  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE COMPUTER, INC. OR
  17  * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
  18  * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
  19  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
  20  * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
  21  * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  22  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  23  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  24  */
  25
  26 #include "config.h"
  27 #include "ResourceRequestCFNet.h"
  28
  29 #include "ResourceRequest.h"
  30
  31 #if PLATFORM(MAC)
  32 #include "WebCoreSystemInterface.h"
  33 #endif
  34
  35 #if USE(CFNETWORK)
  36 #include "FormDataStreamCFNet.h"
  37 #include <CFNetwork/CFURLRequestPriv.h>
  38 #include <WebKitSystemInterface/WebKitSystemInterface.h>
  39 #endif
  40
  41 namespace WebCore {
  42
  43 #if USE(CFNETWORK)
  44
  45 typedef void (*CFURLRequestSetContentDispositionEncodingFallbackArrayFunction)(CFMutableURLRequestRef, CFArrayRef);
  46 typedef CFArrayRef (*CFURLRequestCopyContentDispositionEncodingFallbackArrayFunction)(CFURLRequestRef);
  47
  48 static HMODULE findCFNetworkModule()
  49 {
  50 #ifndef DEBUG_ALL
  51     return GetModuleHandleA("CFNetwork");
  52 #else
  53     return GetModuleHandleA("CFNetwork_debug");
  54 #endif
  55 }
  56
  57 static CFURLRequestSetContentDispositionEncodingFallbackArrayFunction findCFURLRequestSetContentDispositionEncodingFallbackArrayFunction()
  58 {
  59     return reinterpret_cast<CFURLRequestSetContentDispositionEncodingFallbackArrayFunction>(GetProcAddress(findCFNetworkModule(), "_CFURLRequestSetContentDispositionEncodingFallbackArray"));
  60 }
  61
  62 static CFURLRequestCopyContentDispositionEncodingFallbackArrayFunction findCFURLRequestCopyContentDispositionEncodingFallbackArrayFunction()
  63 {
  64     return reinterpret_cast<CFURLRequestCopyContentDispositionEncodingFallbackArrayFunction>(GetProcAddress(findCFNetworkModule(), "_CFURLRequestCopyContentDispositionEncodingFallbackArray"));
  65 }
  66
  67 static void setContentDispositionEncodingFallbackArray(CFMutableURLRequestRef request, CFArrayRef fallbackArray)
  68 {
  69     static CFURLRequestSetContentDispositionEncodingFallbackArrayFunction function = findCFURLRequestSetContentDispositionEncodingFallbackArrayFunction();
  70     if (function)
  71         function(request, fallbackArray);
  72 }
  73
  74 static CFArrayRef copyContentDispositionEncodingFallbackArray(CFURLRequestRef request)
  75 {
  76     static CFURLRequestCopyContentDispositionEncodingFallbackArrayFunction function = findCFURLRequestCopyContentDispositionEncodingFallbackArrayFunction();
  77     if (!function)
  78         return 0;
  79     return function(request);
  80 }
  81
  82 CFURLRequestRef ResourceRequest::cfURLRequest() const
  83 {
  84     updatePlatformRequest();
  85
  86     return m_cfRequest.get();
  87 }
  88
  89 static inline void setHeaderFields(CFMutableURLRequestRef request, const HTTPHeaderMap& requestHeaders)
  90 {
  91     // Remove existing headers first, as some of them may no longer be present in the map.
  92     RetainPtr<CFDictionaryRef> oldHeaderFields(AdoptCF, CFURLRequestCopyAllHTTPHeaderFields(request));
  93     CFIndex oldHeaderFieldCount = CFDictionaryGetCount(oldHeaderFields.get());
  94     if (oldHeaderFieldCount) {
  95         Vector<CFStringRef> oldHeaderFieldNames(oldHeaderFieldCount);
  96         CFDictionaryGetKeysAndValues(oldHeaderFields.get(), reinterpret_cast<const void**>(&oldHeaderFieldNames[0]), 0);
  97         for (CFIndex i = 0; i < oldHeaderFieldCount; ++i)
  98             CFURLRequestSetHTTPHeaderFieldValue(request, oldHeaderFieldNames[i], 0);
  99     }
 100
 101     HTTPHeaderMap::const_iterator end = requestHeaders.end();
 102     for (HTTPHeaderMap::const_iterator it = requestHeaders.begin(); it != end; ++it) {
 103         CFStringRef key = it->first.createCFString();
 104         CFStringRef value = it->second.createCFString();
 105         CFURLRequestSetHTTPHeaderFieldValue(request, key, value);
 106         CFRelease(key);
 107         CFRelease(value);
 108     }
 109 }
 110
 111 void ResourceRequest::doUpdatePlatformRequest()
 112 {
 113     CFMutableURLRequestRef cfRequest;
 114
 115     RetainPtr<CFURLRef> url(AdoptCF, ResourceRequest::url().createCFURL());
 116     RetainPtr<CFURLRef> firstPartyForCookies(AdoptCF, ResourceRequest::firstPartyForCookies().createCFURL());
 117     if (m_cfRequest) {
 118         cfRequest = CFURLRequestCreateMutableCopy(0, m_cfRequest.get());
 119         CFURLRequestSetURL(cfRequest, url.get());
 120         CFURLRequestSetMainDocumentURL(cfRequest, firstPartyForCookies.get());
 121         CFURLRequestSetCachePolicy(cfRequest, (CFURLRequestCachePolicy)cachePolicy());
 122         CFURLRequestSetTimeoutInterval(cfRequest, timeoutInterval());
 123     } else {
 124         cfRequest = CFURLRequestCreateMutable(0, url.get(), (CFURLRequestCachePolicy)cachePolicy(), timeoutInterval(), firstPartyForCookies.get());
 125     }
 126
 127     RetainPtr<CFStringRef> requestMethod(AdoptCF, httpMethod().createCFString());
 128     CFURLRequestSetHTTPRequestMethod(cfRequest, requestMethod.get());
 129
 130     setHeaderFields(cfRequest, httpHeaderFields());
 131     WebCore::setHTTPBody(cfRequest, httpBody());
 132     CFURLRequestSetShouldHandleHTTPCookies(cfRequest, allowCookies());
 133
 134     unsigned fallbackCount = m_responseContentDispositionEncodingFallbackArray.size();
 135     RetainPtr<CFMutableArrayRef> encodingFallbacks(AdoptCF, CFArrayCreateMutable(kCFAllocatorDefault, fallbackCount, 0));
 136     for (unsigned i = 0; i != fallbackCount; ++i) {
 137         RetainPtr<CFStringRef> encodingName(AdoptCF, m_responseContentDispositionEncodingFallbackArray[i].createCFString());
 138         CFStringEncoding encoding = CFStringConvertIANACharSetNameToEncoding(encodingName.get());
 139         if (encoding != kCFStringEncodingInvalidId)
 140             CFArrayAppendValue(encodingFallbacks.get(), reinterpret_cast<const void*>(encoding));
 141     }
 142     setContentDispositionEncodingFallbackArray(cfRequest, encodingFallbacks.get());
 143
 144     if (m_cfRequest) {
 145         RetainPtr<CFHTTPCookieStorageRef> cookieStorage(AdoptCF, CFURLRequestCopyHTTPCookieStorage(m_cfRequest.get()));
 146         if (cookieStorage)
 147             CFURLRequestSetHTTPCookieStorage(cfRequest, cookieStorage.get());
 148         CFURLRequestSetHTTPCookieStorageAcceptPolicy(cfRequest, CFURLRequestGetHTTPCookieStorageAcceptPolicy(m_cfRequest.get()));
 149         CFURLRequestSetSSLProperties(cfRequest, CFURLRequestGetSSLProperties(m_cfRequest.get()));
 150     }
 151
 152     m_cfRequest.adoptCF(cfRequest);
 153 }
 154
 155 void ResourceRequest::doUpdateResourceRequest()
 156 {
 157     if (!m_cfRequest) {
 158         *this = ResourceRequest();
 159         return;
 160     }
 161
 162     m_url = CFURLRequestGetURL(m_cfRequest.get());
 163
 164     m_cachePolicy = (ResourceRequestCachePolicy)CFURLRequestGetCachePolicy(m_cfRequest.get());
 165     m_timeoutInterval = CFURLRequestGetTimeoutInterval(m_cfRequest.get());
 166     m_firstPartyForCookies = CFURLRequestGetMainDocumentURL(m_cfRequest.get());
 167     if (CFStringRef method = CFURLRequestCopyHTTPRequestMethod(m_cfRequest.get())) {
 168         m_httpMethod = method;
 169         CFRelease(method);
 170     }
 171     m_allowCookies = CFURLRequestShouldHandleHTTPCookies(m_cfRequest.get());
 172
 173     m_httpHeaderFields.clear();
 174     if (CFDictionaryRef headers = CFURLRequestCopyAllHTTPHeaderFields(m_cfRequest.get())) {
 175         CFIndex headerCount = CFDictionaryGetCount(headers);
 176         Vector<const void*, 128> keys(headerCount);
 177         Vector<const void*, 128> values(headerCount);
 178         CFDictionaryGetKeysAndValues(headers, keys.data(), values.data());
 179         for (int i = 0; i < headerCount; ++i)
 180             m_httpHeaderFields.set((CFStringRef)keys[i], (CFStringRef)values[i]);
 181         CFRelease(headers);
 182     }
 183
 184     m_responseContentDispositionEncodingFallbackArray.clear();
 185     RetainPtr<CFArrayRef> encodingFallbacks(AdoptCF, copyContentDispositionEncodingFallbackArray(m_cfRequest.get()));
 186     if (encodingFallbacks) {
 187         CFIndex count = CFArrayGetCount(encodingFallbacks.get());
 188         for (CFIndex i = 0; i < count; ++i) {
 189             CFStringEncoding encoding = reinterpret_cast<CFIndex>(CFArrayGetValueAtIndex(encodingFallbacks.get(), i));
 190             if (encoding != kCFStringEncodingInvalidId)
 191                 m_responseContentDispositionEncodingFallbackArray.append(CFStringConvertEncodingToIANACharSetName(encoding));
 192         }
 193     }
 194
 195     m_httpBody = httpBodyFromRequest(m_cfRequest.get());
 196 }
 197
 198 #endif // USE(CFNETWORK)
 199
 200 unsigned initializeMaximumHTTPConnectionCountPerHost()
 201 {
 202     static const unsigned preferredConnectionCount = 6;
 203     static const unsigned unlimitedConnectionCount = 10000;
 204
 205     // Always set the connection count per host, even when pipelining.
 206     unsigned maximumHTTPConnectionCountPerHost = wkInitializeMaximumHTTPConnectionCountPerHost(preferredConnectionCount);
 207
 208 #if PLATFORM(MAC)
 209     if (isHTTPPipeliningEnabled()) {
 210         // When pipelining do not rate-limit requests sent from WebCore since CFNetwork handles that.
 211         return unlimitedConnectionCount;
 212     }
 213 #endif
 214
 215     return maximumHTTPConnectionCountPerHost;
 216 }
 217
 218 static inline bool readBooleanPreference(CFStringRef key)
 219 {
 220     Boolean keyExistsAndHasValidFormat;
 221     Boolean result = CFPreferencesGetAppBooleanValue(key, kCFPreferencesCurrentApplication, &keyExistsAndHasValidFormat);
 222     return keyExistsAndHasValidFormat ? result : false;
 223 }
 224
 225 bool isHTTPPipeliningEnabled()
 226 {
 227     static bool isEnabled = readBooleanPreference(CFSTR("WebKitEnableHTTPPipelining"));
 228     return isEnabled;
 229 }
 230
 231 bool shouldForceHTTPPipeliningPriorityHigh()
 232 {
 233     static bool shouldForcePriorityHigh = readBooleanPreference(CFSTR("WebKitForceHTTPPipeliningPriorityHigh"));
 234     return shouldForcePriorityHigh;
 235 }
 236
 237 } // namespace WebCore