[System] WebProxy from referencesource
[mono.git] / mcs / class / System / System.Net / HttpWebRequest.cs
index 1c1c41214b5b11e1f8bc61f2af96dcba1cc28cbb..a151f6bb870e2ed992fa5b5639864d82835979ec 100644 (file)
@@ -154,8 +154,8 @@ namespace System.Net
                {
                        this.requestUri = uri;
                        this.actualUri = uri;
-                       this.proxy = GlobalProxySelection.Select;
-                       this.webHeaders = new WebHeaderCollection (WebHeaderCollection.HeaderInfo.Request);
+                       this.proxy = InternalDefaultWebProxy;
+                       this.webHeaders = new WebHeaderCollection (WebHeaderCollectionType.HttpWebRequest);
                        ThrowOnError = true;
                        ResetAuthorization ();
                }
@@ -205,11 +205,19 @@ namespace System.Net
                
                // Properties
 
+               void SetSpecialHeaders(string HeaderName, string value) {
+                       value = WebHeaderCollection.CheckBadChars(value, true);
+                       webHeaders.RemoveInternal(HeaderName);
+                       if (value.Length != 0) {
+                               webHeaders.AddInternal(HeaderName, value);
+                       }
+               }
+
                public string Accept {
                        get { return webHeaders ["Accept"]; }
                        set {
                                CheckRequestStarted ();
-                               webHeaders.RemoveAndAdd ("Accept", value);
+                               SetSpecialHeaders ("Accept", value);
                        }
                }
                
@@ -306,7 +314,7 @@ namespace System.Net
                                if (keepAlive)
                                        value = value + ", Keep-Alive";
                                
-                               webHeaders.RemoveAndAdd ("Connection", value);
+                               webHeaders.CheckUpdate ("Connection", value);
                        }
                }               
                
@@ -336,11 +344,7 @@ namespace System.Net
                public override string ContentType { 
                        get { return webHeaders ["Content-Type"]; }
                        set {
-                               if (value == null || value.Trim().Length == 0) {
-                                       webHeaders.RemoveInternal ("Content-Type");
-                                       return;
-                               }
-                               webHeaders.RemoveAndAdd ("Content-Type", value);
+                               SetSpecialHeaders ("Content-Type", value);
                        }
                }
                
@@ -367,13 +371,17 @@ namespace System.Net
                                return DateTime.ParseExact (date, "r", CultureInfo.InvariantCulture).ToLocalTime ();
                        }
                        set {
-                               if (value.Equals (DateTime.MinValue))
-                                       webHeaders.RemoveInternal ("Date");
-                               else
-                                       webHeaders.RemoveAndAdd ("Date", value.ToUniversalTime ().ToString ("r", CultureInfo.InvariantCulture));
+                               SetDateHeaderHelper ("Date", value);
                        }
                }
 
+               void SetDateHeaderHelper(string headerName, DateTime dateTime) {
+                       if (dateTime == DateTime.MinValue)
+                               SetSpecialHeaders(headerName, null); // remove header
+                       else
+                               SetSpecialHeaders(headerName, HttpProtocolUtils.date2string(dateTime));
+               }
+
 #if !NET_2_1
                [MonoTODO]
                public static new RequestCachePolicy DefaultCachePolicy
@@ -414,7 +422,8 @@ namespace System.Net
                                if (val == "100-continue")
                                        throw new ArgumentException ("100-Continue cannot be set with this property.",
                                                                     "value");
-                               webHeaders.RemoveAndAdd ("Expect", value);
+
+                               webHeaders.CheckUpdate ("Expect", value);
                        }
                }
                
@@ -427,12 +436,21 @@ namespace System.Net
                        get { return webHeaders; }
                        set {
                                CheckRequestStarted ();
-                               WebHeaderCollection newHeaders = new WebHeaderCollection (WebHeaderCollection.HeaderInfo.Request);
-                               int count = value.Count;
-                               for (int i = 0; i < count; i++) 
-                                       newHeaders.Add (value.GetKey (i), value.Get (i));
 
-                               webHeaders = newHeaders;
+                               WebHeaderCollection webHeaders = value;
+                               WebHeaderCollection newWebHeaders = new WebHeaderCollection(WebHeaderCollectionType.HttpWebRequest);
+
+                               // Copy And Validate -
+                               // Handle the case where their object tries to change
+                               //  name, value pairs after they call set, so therefore,
+                               //  we need to clone their headers.
+                               //
+
+                               foreach (String headerName in webHeaders.AllKeys ) {
+                                       newWebHeaders.Add(headerName,webHeaders[headerName]);
+                               }
+
+                               webHeaders = newWebHeaders;
                        }
                }
                
@@ -593,6 +611,7 @@ namespace System.Net
                                CheckRequestStarted ();
                                proxy = value;
                                servicePoint = null; // we may need a new one
+                               GetServicePoint ();
                        }
                }
                
@@ -663,7 +682,7 @@ namespace System.Net
                                if (!sendChunked)
                                        throw new ArgumentException ("SendChunked must be True", "value");
 
-                               webHeaders.RemoveAndAdd ("Transfer-Encoding", value);
+                               webHeaders.CheckUpdate ("Transfer-Encoding", value);
                        }
                }
 
@@ -771,7 +790,7 @@ namespace System.Net
                {
                        if (rangeSpecifier == null)
                                throw new ArgumentNullException ("rangeSpecifier");
-                       if (!WebHeaderCollection.IsHeaderValue (rangeSpecifier))
+                       if (!WebHeaderCollection.IsValidToken (rangeSpecifier))
                                throw new ArgumentException ("Invalid range specifier", "rangeSpecifier");
 
                        string r = webHeaders ["Range"];
@@ -789,7 +808,7 @@ namespace System.Net
                                r = r + "0" + n;
                        else
                                r = r + n + "-";
-                       webHeaders.RemoveAndAdd ("Range", r);
+                       webHeaders.ChangeInternal ("Range", r);
                }
 
                public
@@ -797,7 +816,7 @@ namespace System.Net
                {
                        if (rangeSpecifier == null)
                                throw new ArgumentNullException ("rangeSpecifier");
-                       if (!WebHeaderCollection.IsHeaderValue (rangeSpecifier))
+                       if (!WebHeaderCollection.IsValidToken (rangeSpecifier))
                                throw new ArgumentException ("Invalid range specifier", "rangeSpecifier");
                        if (from > to || from < 0)
                                throw new ArgumentOutOfRangeException ("from");
@@ -811,7 +830,7 @@ namespace System.Net
                                r += ",";
 
                        r = String.Format ("{0}{1}-{2}", r, from, to);
-                       webHeaders.RemoveAndAdd ("Range", r);
+                       webHeaders.ChangeInternal ("Range", r);
                }
 
                
@@ -969,11 +988,17 @@ namespace System.Net
                                        }
                                }
 
-                               if (!requestSent) {
+                               if (requestSent)
+                                       return;
+
+                               try {
                                        requestSent = true;
                                        redirects = 0;
                                        servicePoint = GetServicePoint ();
                                        abortHandler = servicePoint.SendRequest (this, connectionGroup);
+                               } catch (Exception ex) {
+                                       aread.SetCompleted (synch, ex);
+                                       aread.DoCallback ();
                                }
                        });
 
@@ -1191,7 +1216,7 @@ namespace System.Net
                        bool continue100 = false;
                        if (sendChunked) {
                                continue100 = true;
-                               webHeaders.RemoveAndAdd ("Transfer-Encoding", "chunked");
+                               webHeaders.ChangeInternal ("Transfer-Encoding", "chunked");
                                webHeaders.RemoveInternal ("Content-Length");
                        } else if (contentLength != -1) {
                                if (auth_state.NtlmAuthState == NtlmAuthState.Challenge || proxy_auth_state.NtlmAuthState == NtlmAuthState.Challenge) {
@@ -1214,7 +1239,7 @@ namespace System.Net
 
                        if (actualVersion == HttpVersion.Version11 && continue100 &&
                            servicePoint.SendContinue) { // RFC2616 8.2.3
-                               webHeaders.RemoveAndAdd ("Expect" , "100-continue");
+                               webHeaders.ChangeInternal ("Expect" , "100-continue");
                                expectContinue = true;
                        } else {
                                webHeaders.RemoveInternal ("Expect");
@@ -1230,16 +1255,16 @@ namespace System.Net
                        if (keepAlive && (version == HttpVersion.Version10 || spoint10)) {
                                if (webHeaders[connectionHeader] == null
                                    || webHeaders[connectionHeader].IndexOf ("keep-alive", StringComparison.OrdinalIgnoreCase) == -1)
-                                       webHeaders.RemoveAndAdd (connectionHeader, "keep-alive");
+                                       webHeaders.ChangeInternal (connectionHeader, "keep-alive");
                        } else if (!keepAlive && version == HttpVersion.Version11) {
-                               webHeaders.RemoveAndAdd (connectionHeader, "close");
+                               webHeaders.ChangeInternal (connectionHeader, "close");
                        }
 
                        webHeaders.SetInternal ("Host", Host);
                        if (cookieContainer != null) {
                                string cookieHeader = cookieContainer.GetCookieHeader (actualUri);
                                if (cookieHeader != "")
-                                       webHeaders.RemoveAndAdd ("Cookie", cookieHeader);
+                                       webHeaders.ChangeInternal ("Cookie", cookieHeader);
                                else
                                        webHeaders.RemoveInternal ("Cookie");
                        }
@@ -1250,7 +1275,7 @@ namespace System.Net
                        if ((auto_decomp & DecompressionMethods.Deflate) != 0)
                                accept_encoding = accept_encoding != null ? "gzip, deflate" : "deflate";
                        if (accept_encoding != null)
-                               webHeaders.RemoveAndAdd ("Accept-Encoding", accept_encoding);
+                               webHeaders.ChangeInternal ("Accept-Encoding", accept_encoding);
 
                        if (!usedPreAuth && preAuthenticate)
                                DoPreAuthenticate ();
@@ -1290,7 +1315,7 @@ namespace System.Net
                                        wex = new WebException (msg, status);
                                } else {
                                        msg = String.Format ("Error: {0} ({1})", status, exc.Message);
-                                       wex = new WebException (msg, exc, status);
+                                       wex = new WebException (msg, status, WebExceptionInternalStatus.RequestFatal, exc);
                                }
                                r.SetCompleted (false, wex);
                                r.DoCallback ();
@@ -1449,7 +1474,7 @@ namespace System.Net
                        if (wce != null) {
                                WebConnection cnc = wce.Connection;
                                cnc.PriorityRequest = this;
-                               ICredentials creds = !isProxy ? credentials : proxy.Credentials;
+                               ICredentials creds = (!isProxy || proxy == null) ? credentials : proxy.Credentials;
                                if (creds != null) {
                                        cnc.NtlmCredential = creds.GetCredential (requestUri, "NTLM");
                                        cnc.UnsafeAuthenticatedConnectionSharing = unsafe_auth_blah;
@@ -1506,7 +1531,7 @@ namespace System.Net
                                        return;
                                }
 
-                               bool isProxy = ProxyQuery && !proxy.IsBypassed (actualUri);
+                               bool isProxy = ProxyQuery && proxy != null && !proxy.IsBypassed (actualUri);
 
                                bool redirected;
                                try {
@@ -1609,7 +1634,7 @@ namespace System.Net
                                if (isProxy && (request.proxy == null || request.proxy.Credentials == null))
                                        return false;
 
-                               string [] authHeaders = response.Headers.GetValues_internal (isProxy ? "Proxy-Authenticate" : "WWW-Authenticate", false);
+                               string [] authHeaders = response.Headers.GetValues (isProxy ? "Proxy-Authenticate" : "WWW-Authenticate");
                                if (authHeaders == null || authHeaders.Length == 0)
                                        return false;
 
@@ -1624,7 +1649,7 @@ namespace System.Net
                                        return false;
                                request.webHeaders [isProxy ? "Proxy-Authorization" : "Authorization"] = auth.Message;
                                isCompleted = auth.Complete;
-                               bool is_ntlm = (auth.Module.AuthenticationType == "NTLM");
+                               bool is_ntlm = (auth.ModuleAuthenticationType == "NTLM");
                                if (is_ntlm)
                                        ntlm_auth_state = (NtlmAuthState)((int) ntlm_auth_state + 1);
                                return true;