//
// Author: Jeffrey Stedfast <jeff@xamarin.com>
//
-// Copyright (c) 2012 Xamarin Inc.
+// Copyright (c) 2012-2014 Xamarin Inc.
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
//
using System;
+using System.Net;
+using System.Collections.Generic;
using System.Runtime.InteropServices;
+using System.Threading;
-namespace System.Net
+namespace Mono.Net
{
internal class CFObject : IDisposable
{
}
[DllImport (CoreFoundationLibrary)]
- extern static IntPtr CFRelease (IntPtr handle);
+ extern static void CFRelease (IntPtr handle);
void Release ()
{
public CFArray (IntPtr handle, bool own) : base (handle, own) { }
[DllImport (CoreFoundationLibrary)]
- extern static IntPtr CFArrayCreate (IntPtr allocator, IntPtr values, int numValues, IntPtr callbacks);
+ extern static IntPtr CFArrayCreate (IntPtr allocator, IntPtr values, /* CFIndex */ IntPtr numValues, IntPtr callbacks);
static readonly IntPtr kCFTypeArrayCallbacks;
static CFArray ()
throw new ArgumentNullException ("values");
fixed (IntPtr *pv = values) {
- IntPtr handle = CFArrayCreate (IntPtr.Zero, (IntPtr) pv, values.Length, kCFTypeArrayCallbacks);
+ IntPtr handle = CFArrayCreate (IntPtr.Zero, (IntPtr) pv, (IntPtr) values.Length, kCFTypeArrayCallbacks);
return new CFArray (handle, false);
}
}
[DllImport (CoreFoundationLibrary)]
- extern static int CFArrayGetCount (IntPtr handle);
+ extern static /* CFIndex */ IntPtr CFArrayGetCount (IntPtr handle);
public int Count {
- get { return CFArrayGetCount (Handle); }
+ get { return (int) CFArrayGetCount (Handle); }
}
[DllImport (CoreFoundationLibrary)]
- extern static IntPtr CFArrayGetValueAtIndex (IntPtr handle, int index);
+ extern static IntPtr CFArrayGetValueAtIndex (IntPtr handle, /* CFIndex */ IntPtr index);
public IntPtr this[int index] {
get {
- return CFArrayGetValueAtIndex (Handle, index);
+ return CFArrayGetValueAtIndex (Handle, (IntPtr) index);
}
}
}
public CFNumber (IntPtr handle, bool own) : base (handle, own) { }
[DllImport (CoreFoundationLibrary)]
- extern static bool CFNumberGetValue (IntPtr handle, int type, out bool value);
+ [return: MarshalAs (UnmanagedType.I1)]
+ extern static bool CFNumberGetValue (IntPtr handle, /* CFNumberType */ IntPtr type, [MarshalAs (UnmanagedType.I1)] out bool value);
public static bool AsBool (IntPtr handle)
{
if (handle == IntPtr.Zero)
return false;
- CFNumberGetValue (handle, 1, out value);
+ CFNumberGetValue (handle, (IntPtr) 1, out value);
return value;
}
}
[DllImport (CoreFoundationLibrary)]
- extern static bool CFNumberGetValue (IntPtr handle, int type, out int value);
+ [return: MarshalAs (UnmanagedType.I1)]
+ extern static bool CFNumberGetValue (IntPtr handle, /* CFNumberType */ IntPtr type, out int value);
public static int AsInt32 (IntPtr handle)
{
if (handle == IntPtr.Zero)
return 0;
- CFNumberGetValue (handle, 9, out value);
+ // 9 == kCFNumberIntType == C int
+ CFNumberGetValue (handle, (IntPtr) 9, out value);
return value;
}
}
internal struct CFRange {
- public int Location, Length;
+ public IntPtr Location, Length;
public CFRange (int loc, int len)
{
- Location = loc;
- Length = len;
+ Location = (IntPtr) loc;
+ Length = (IntPtr) len;
}
}
+ internal struct CFStreamClientContext {
+ public IntPtr Version;
+ public IntPtr Info;
+ public IntPtr Retain;
+ public IntPtr Release;
+ public IntPtr CopyDescription;
+ }
+
internal class CFString : CFObject
{
string str;
public CFString (IntPtr handle, bool own) : base (handle, own) { }
[DllImport (CoreFoundationLibrary)]
- extern static IntPtr CFStringCreateWithCharacters (IntPtr alloc, IntPtr chars, int length);
+ extern static IntPtr CFStringCreateWithCharacters (IntPtr alloc, IntPtr chars, /* CFIndex */ IntPtr length);
public static CFString Create (string value)
{
unsafe {
fixed (char *ptr = value) {
- handle = CFStringCreateWithCharacters (IntPtr.Zero, (IntPtr) ptr, value.Length);
+ handle = CFStringCreateWithCharacters (IntPtr.Zero, (IntPtr) ptr, (IntPtr) value.Length);
}
}
}
[DllImport (CoreFoundationLibrary)]
- extern static int CFStringGetLength (IntPtr handle);
+ extern static /* CFIndex */ IntPtr CFStringGetLength (IntPtr handle);
public int Length {
get {
if (str != null)
return str.Length;
- return CFStringGetLength (Handle);
+ return (int) CFStringGetLength (Handle);
}
}
if (handle == IntPtr.Zero)
return null;
- int len = CFStringGetLength (handle);
+ int len = (int) CFStringGetLength (handle);
if (len == 0)
return string.Empty;
}
}
+ internal class CFRunLoop : CFObject
+ {
+ [DllImport (CFObject.CoreFoundationLibrary)]
+ static extern void CFRunLoopAddSource (IntPtr rl, IntPtr source, IntPtr mode);
+
+ [DllImport (CFObject.CoreFoundationLibrary)]
+ static extern void CFRunLoopRemoveSource (IntPtr rl, IntPtr source, IntPtr mode);
+
+ [DllImport (CFObject.CoreFoundationLibrary)]
+ static extern int CFRunLoopRunInMode (IntPtr mode, double seconds, bool returnAfterSourceHandled);
+
+ [DllImport (CFObject.CoreFoundationLibrary)]
+ static extern IntPtr CFRunLoopGetCurrent ();
+
+ [DllImport (CFObject.CoreFoundationLibrary)]
+ static extern void CFRunLoopStop (IntPtr rl);
+
+ public CFRunLoop (IntPtr handle, bool own): base (handle, own)
+ {
+ }
+
+ public static CFRunLoop CurrentRunLoop {
+ get { return new CFRunLoop (CFRunLoopGetCurrent (), false); }
+ }
+
+ public void AddSource (IntPtr source, CFString mode)
+ {
+ CFRunLoopAddSource (Handle, source, mode.Handle);
+ }
+
+ public void RemoveSource (IntPtr source, CFString mode)
+ {
+ CFRunLoopRemoveSource (Handle, source, mode.Handle);
+ }
+
+ public int RunInMode (CFString mode, double seconds, bool returnAfterSourceHandled)
+ {
+ return CFRunLoopRunInMode (mode.Handle, seconds, returnAfterSourceHandled);
+ }
+
+ public void Stop ()
+ {
+ CFRunLoopStop (Handle);
+ }
+ }
+
internal enum CFProxyType {
None,
AutoConfigurationUrl,
public const string CFNetworkLibrary = "/System/Library/Frameworks/CFNetwork.framework/CFNetwork";
#endif
- [DllImport (CFNetworkLibrary)]
+ [DllImport (CFNetworkLibrary, EntryPoint = "CFNetworkCopyProxiesForAutoConfigurationScript")]
// CFArrayRef CFNetworkCopyProxiesForAutoConfigurationScript (CFStringRef proxyAutoConfigurationScript, CFURLRef targetURL, CFErrorRef* error);
- extern static IntPtr CFNetworkCopyProxiesForAutoConfigurationScript (IntPtr proxyAutoConfigurationScript, IntPtr targetURL, out IntPtr error);
-
+ extern static IntPtr CFNetworkCopyProxiesForAutoConfigurationScriptSequential (IntPtr proxyAutoConfigurationScript, IntPtr targetURL, out IntPtr error);
+
+ [DllImport (CFNetworkLibrary)]
+ extern static IntPtr CFNetworkExecuteProxyAutoConfigurationURL (IntPtr proxyAutoConfigURL, IntPtr targetURL, CFProxyAutoConfigurationResultCallback cb, ref CFStreamClientContext clientContext);
+
+
+ class GetProxyData : IDisposable {
+ public IntPtr script;
+ public IntPtr targetUri;
+ public IntPtr error;
+ public IntPtr result;
+ public ManualResetEvent evt = new ManualResetEvent (false);
+
+ public void Dispose ()
+ {
+ evt.Close ();
+ }
+ }
+
+ static object lock_obj = new object ();
+ static Queue<GetProxyData> get_proxy_queue;
+ static AutoResetEvent proxy_event;
+
+ static void CFNetworkCopyProxiesForAutoConfigurationScriptThread ()
+ {
+ GetProxyData data;
+ var data_left = true;
+
+ while (true) {
+ proxy_event.WaitOne ();
+
+ do {
+ lock (lock_obj) {
+ if (get_proxy_queue.Count == 0)
+ break;
+ data = get_proxy_queue.Dequeue ();
+ data_left = get_proxy_queue.Count > 0;
+ }
+
+ data.result = CFNetworkCopyProxiesForAutoConfigurationScriptSequential (data.script, data.targetUri, out data.error);
+ data.evt.Set ();
+ } while (data_left);
+ }
+ }
+
+ static IntPtr CFNetworkCopyProxiesForAutoConfigurationScript (IntPtr proxyAutoConfigurationScript, IntPtr targetURL, out IntPtr error)
+ {
+ // This method must only be called on only one thread during an application's life time.
+ // Note that it's not enough to use a lock to make calls sequential across different threads,
+ // it has to be one thread. Also note that that thread can't be the main thread, because the
+ // main thread might be blocking waiting for this network request to finish.
+ // Another possibility would be to use JavaScriptCore to execute this piece of
+ // javascript ourselves, but unfortunately it's not available before iOS7.
+ // See bug #7923 comment #21+.
+
+ using (var data = new GetProxyData ()) {
+ data.script = proxyAutoConfigurationScript;
+ data.targetUri = targetURL;
+
+ lock (lock_obj) {
+ if (get_proxy_queue == null) {
+ get_proxy_queue = new Queue<GetProxyData> ();
+ proxy_event = new AutoResetEvent (false);
+ new Thread (CFNetworkCopyProxiesForAutoConfigurationScriptThread) {
+ IsBackground = true,
+ }.Start ();
+ }
+ get_proxy_queue.Enqueue (data);
+ proxy_event.Set ();
+ }
+
+ data.evt.WaitOne ();
+
+ error = data.error;
+
+ return data.result;
+ }
+ }
+
static CFArray CopyProxiesForAutoConfigurationScript (IntPtr proxyAutoConfigurationScript, CFUrl targetURL)
{
IntPtr err = IntPtr.Zero;
return proxies;
}
+
+ delegate void CFProxyAutoConfigurationResultCallback (IntPtr client, IntPtr proxyList, IntPtr error);
+
+ public static CFProxy[] ExecuteProxyAutoConfigurationURL (IntPtr proxyAutoConfigURL, Uri targetURL)
+ {
+ CFUrl url = CFUrl.Create (targetURL.AbsoluteUri);
+ if (url == null)
+ return null;
+
+ CFProxy[] proxies = null;
+
+ var runLoop = CFRunLoop.CurrentRunLoop;
+
+ // Callback that will be called after executing the configuration script
+ CFProxyAutoConfigurationResultCallback cb = delegate (IntPtr client, IntPtr proxyList, IntPtr error) {
+ if (proxyList != IntPtr.Zero) {
+ var array = new CFArray (proxyList, false);
+ proxies = new CFProxy [array.Count];
+ for (int i = 0; i < proxies.Length; i++) {
+ CFDictionary dict = new CFDictionary (array[i], false);
+ proxies[i] = new CFProxy (dict);
+ }
+ array.Dispose ();
+ }
+ runLoop.Stop ();
+ };
+
+ var clientContext = new CFStreamClientContext ();
+ var loopSource = CFNetworkExecuteProxyAutoConfigurationURL (proxyAutoConfigURL, url.Handle, cb, ref clientContext);
+
+ // Create a private mode
+ var mode = CFString.Create ("Mono.MacProxy");
+
+ runLoop.AddSource (loopSource, mode);
+ runLoop.RunInMode (mode, double.MaxValue, false);
+ runLoop.RemoveSource (loopSource, mode);
+
+ return proxies;
+ }
[DllImport (CFNetworkLibrary)]
// CFArrayRef CFNetworkCopyProxiesForURL (CFURLRef url, CFDictionaryRef proxySettings);
static Uri GetProxyUriFromScript (IntPtr script, Uri targetUri, out NetworkCredential credentials)
{
CFProxy[] proxies = CFNetwork.GetProxiesForAutoConfigurationScript (script, targetUri);
-
+ return SelectProxy (proxies, targetUri, out credentials);
+ }
+
+ static Uri ExecuteProxyAutoConfigurationURL (IntPtr proxyAutoConfigURL, Uri targetUri, out NetworkCredential credentials)
+ {
+ CFProxy[] proxies = CFNetwork.ExecuteProxyAutoConfigurationURL (proxyAutoConfigURL, targetUri);
+ return SelectProxy (proxies, targetUri, out credentials);
+ }
+
+
+ static Uri SelectProxy (CFProxy[] proxies, Uri targetUri, out NetworkCredential credentials)
+ {
if (proxies == null) {
credentials = null;
return targetUri;
proxy = GetProxyUriFromScript (proxies[i].AutoConfigurationJavaScript, targetUri, out credentials);
break;
case CFProxyType.AutoConfigurationUrl:
- // unsupported proxy type (requires fetching script from remote url)
+ proxy = ExecuteProxyAutoConfigurationURL (proxies[i].AutoConfigurationUrl, targetUri, out credentials);
break;
case CFProxyType.HTTPS:
case CFProxyType.HTTP:
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