Implement WinHTTP authentication

include/wx/webrequest.h

@@ -23,6 +23,7 @@
 
 class wxWebResponse;
 class wxWebSession;
+class wxWebAuthChallenge;
 
 WX_DECLARE_STRING_HASH_MAP(wxString, wxWebRequestHeaderMap);
 
@@ -33,19 +34,12 @@ public:
     {
         State_Idle,
         State_Unauthorized,
-        State_UnauthorizedProxy,
         State_Active,
         State_Completed,
         State_Failed,
         State_Cancelled
     };
 
-    enum CredentialTarget
-    {
-        CredentialTarget_Server,
-        CredentialTarget_Proxy
-    };
-
     virtual ~wxWebRequest() { }
 
     virtual void SetHeader(const wxString& name, const wxString& value)
@@ -57,9 +51,6 @@ public:
 
     void SetData(wxSharedPtr<wxInputStream> dataStream, const wxString& contentType, wxFileOffset dataSize = wxInvalidOffset);
 
-    void SetCredentials(const wxString& user, const wxString& password,
-        CredentialTarget target);
-
     void SetIgnoreServerErrorStatus(bool ignore) { m_ignoreServerErrorStatus = ignore; }
 
     virtual void Start() = 0;
@@ -68,6 +59,8 @@ public:
 
     virtual wxWebResponse* GetResponse() = 0;
 
+    virtual wxWebAuthChallenge* GetAuthChallenge() const = 0;
+
     int GetId() const { return m_id; }
 
     State GetState() const { return m_state; }
@@ -125,6 +118,30 @@ private:
     wxDECLARE_NO_COPY_CLASS(wxWebResponse);
 };
 
+class WXDLLIMPEXP_NET wxWebAuthChallenge
+{
+public:
+    enum Source
+    {
+        Source_Server,
+        Source_Proxy
+    };
+
+    virtual ~wxWebAuthChallenge() { }
+
+    Source GetSource() const { return m_source; }
+
+    virtual void SetCredentials(const wxString& user, const wxString& password) = 0;
+
+protected:
+    wxWebAuthChallenge(Source source): m_source(source) { }
+
+private:
+    Source m_source;
+
+    wxDECLARE_NO_COPY_CLASS(wxWebAuthChallenge);
+};
+
 class WXDLLIMPEXP_NET wxWebSessionFactory
 {
 public: