Committing in .

[wxWidgets.git] / src / common / url.cpp

diff --git a/src/common/url.cpp b/src/common/url.cpp
index a51ee7b2731d0b7511756b8e6e9db92273206154..a78708b6ee3e31b9c984ac83d0bf0646ade6ab83 100644 (file)
--- a/src/common/url.cpp
+++ b/src/common/url.cpp
@@ -6,10 +6,10 @@
 // Created:     20/07/1997
 // RCS-ID:      $Id$
 // Copyright:   (c) 1997, 1998 Guilhem Lavaux
 // Created:     20/07/1997
 // RCS-ID:      $Id$
 // Copyright:   (c) 1997, 1998 Guilhem Lavaux

-// Licence:     wxWindows license
+// Licence:     wxWindows licence

 /////////////////////////////////////////////////////////////////////////////
 
 /////////////////////////////////////////////////////////////////////////////
 

-#ifdef __GNUG__
+#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)

 #pragma implementation "url.h"
 #endif
 
 #pragma implementation "url.h"
 #endif
 


@@ -20,254 +20,266 @@
 #pragma hdrstop
 #endif
 
 #pragma hdrstop
 #endif
 

+#if wxUSE_URL
+
+#include "wx/string.h"
+#include "wx/list.h"
+#include "wx/utils.h"
+#include "wx/module.h"
+#include "wx/url.h"
+

 #include <string.h>
 #include <ctype.h>
 
 #include <string.h>
 #include <ctype.h>
 

-#include <wx/string.h>
-#include <wx/list.h>
-#include <wx/utils.h>
-#include <wx/url.h>
-
-#if !USE_SHARED_LIBRARY

 IMPLEMENT_CLASS(wxProtoInfo, wxObject)
 IMPLEMENT_CLASS(wxProtoInfo, wxObject)

-IMPLEMENT_CLASS(wxURL, wxObject)
-#endif
+IMPLEMENT_CLASS(wxURL, wxURI)

 
 // Protocols list
 
 // Protocols list

-wxProtoInfo *wxURL::g_protocols = NULL;
+wxProtoInfo *wxURL::ms_protocols = NULL;

 
 

-#if wxUSE_SOCKETS
-wxHTTP *wxURL::g_proxy = NULL;
+// Enforce linking of protocol classes:
+USE_PROTOCOL(wxFileProto)
+
+#if wxUSE_PROTOCOL_HTTP
+USE_PROTOCOL(wxHTTP)
+
+    wxHTTP *wxURL::ms_proxyDefault = NULL;
+    bool wxURL::ms_useDefaultProxy = false;
+#endif
+
+#if wxUSE_PROTOCOL_FTP
+USE_PROTOCOL(wxFTP)

 #endif
 
 // --------------------------------------------------------------
 #endif
 
 // --------------------------------------------------------------

-// wxURL
+//
+//                          wxURL
+//

 // --------------------------------------------------------------
 
 // --------------------------------------------------------------
 // --------------------------------------------------------------
 
 // --------------------------------------------------------------

-// --------- wxURL CONSTRUCTOR DESTRUCTOR -----------------------
+// Construction

 // --------------------------------------------------------------
 
 // --------------------------------------------------------------
 

-wxURL::wxURL(const wxString& url)
+wxURL::wxURL(const wxString& url) : wxURI(url)

 {
 {

-  m_protocol = NULL;
-  m_error = wxURL_NOERR;
-  m_url = url;
-#if wxUSE_SOCKETS
-  m_useProxy = (g_proxy != NULL);
-  m_proxy = g_proxy;
+    Init(url);
+    ParseURL();
+}
+
+wxURL::wxURL(const wxURI& url) : wxURI(url)
+{
+    Init(url.BuildURI());
+    ParseURL();
+}
+
+void wxURL::Init(const wxString& url)
+{
+    m_protocol = NULL;
+    m_error = wxURL_NOERR;
+    m_url = url;
+#if wxUSE_URL_NATIVE
+    m_nativeImp = CreateNativeImpObject();

 #endif
 #endif

-  ParseURL();
+
+#if wxUSE_PROTOCOL_HTTP
+    if ( ms_useDefaultProxy && !ms_proxyDefault )
+    {
+        SetDefaultProxy( wxGetenv(wxT("HTTP_PROXY")) );
+
+        if ( !ms_proxyDefault )
+        {
+            // don't try again
+            ms_useDefaultProxy = false;
+        }
+    }
+
+    m_useProxy = ms_proxyDefault != NULL;
+    m_proxy = ms_proxyDefault;
+#endif // wxUSE_PROTOCOL_HTTP
+

 }
 
 }
 

-bool wxURL::ParseURL()
+// --------------------------------------------------------------
+// Assignment
+// --------------------------------------------------------------
+
+wxURL& wxURL::operator = (const wxURI& url)

 {
 {

-  wxString last_url = m_url;
+    wxURI::operator = (url);
+    Init(url.BuildURI());
+    ParseURL();
+    return *this;
+}
+wxURL& wxURL::operator = (const wxString& url)
+{
+    wxURI::operator = (url);
+    Init(url);
+    ParseURL();
+    return *this;
+}

 
 

- // If the URL was already parsed (so m_protocol != NULL), we pass this section.
-  if (!m_protocol) {
+// --------------------------------------------------------------
+// ParseURL
+//
+// Builds the URL and takes care of the old protocol stuff
+// --------------------------------------------------------------

 
 

+bool wxURL::ParseURL()
+{
+  // If the URL was already parsed (m_protocol != NULL), pass this section.
+  if (!m_protocol)
+  {

     // Clean up
     CleanData();
 
     // Clean up
     CleanData();
 

-    // Extract protocol name
-    if (!PrepProto(last_url)) {
+    // Make sure we have a protocol/scheme
+    if (!HasScheme())
+    {

       m_error = wxURL_SNTXERR;
       m_error = wxURL_SNTXERR;

-      return FALSE;
+      return false;

     }
 
     // Find and create the protocol object
     }
 
     // Find and create the protocol object

-    if (!FetchProtocol()) {
+    if (!FetchProtocol())
+    {

       m_error = wxURL_NOPROTO;
       m_error = wxURL_NOPROTO;

-      return FALSE;
+      return false;

     }
 
     // Do we need a host name ?
     }
 
     // Do we need a host name ?

-    if (m_protoinfo->m_needhost) {
-      // Extract it
-      if (!PrepHost(last_url)) {
+    if (m_protoinfo->m_needhost)
+    {
+      //  Make sure we have one, then
+      if (!HasServer())
+      {

         m_error = wxURL_SNTXERR;
         m_error = wxURL_SNTXERR;

-        return FALSE;
+        return false;

       }
     }
       }
     }

-
-    // Extract full path
-    if (!PrepPath(last_url)) {
-      m_error = wxURL_NOPATH;
-      return FALSE;
-    }

   }
   }

-  // URL parse finished.

 
 

-#if wxUSE_SOCKETS
-  if (m_useProxy) {
-    // We destroy the newly created protocol.
-    CleanData();
+#if wxUSE_PROTOCOL_HTTP
+  if (m_useProxy)
+  {
+    // destroy the previously created protocol as we'll be using m_proxy
+    delete m_protocol;

 
     // Third, we rebuild the URL.
 
     // Third, we rebuild the URL.

-    m_url = m_protoname + _T(":");
+    m_url = m_scheme + wxT(":");

     if (m_protoinfo->m_needhost)
     if (m_protoinfo->m_needhost)

-      m_url = m_url + _T("//") + m_hostname;
-
-    m_url += m_path;
+      m_url = m_url + wxT("//") + m_server;

 
     // We initialize specific variables.
     m_protocol = m_proxy; // FIXME: we should clone the protocol
   }
 
     // We initialize specific variables.
     m_protocol = m_proxy; // FIXME: we should clone the protocol
   }

-#endif
+#endif // wxUSE_PROTOCOL_HTTP

 
   m_error = wxURL_NOERR;
 
   m_error = wxURL_NOERR;

-  return TRUE;
+  return true;

 }
 
 }
 

+// --------------------------------------------------------------
+// Destruction/Cleanup
+// --------------------------------------------------------------
+

 void wxURL::CleanData()
 {
 void wxURL::CleanData()
 {

-#if wxUSE_SOCKETS
+#if wxUSE_PROTOCOL_HTTP

   if (!m_useProxy)
   if (!m_useProxy)

-#endif
+#endif // wxUSE_PROTOCOL_HTTP

     delete m_protocol;
 }
 
 wxURL::~wxURL()
 {
     delete m_protocol;
 }
 
 wxURL::~wxURL()
 {

-  CleanData();
-#if wxUSE_SOCKETS
-  if (m_proxy && m_proxy != g_proxy)
-    delete m_proxy;
+    CleanData();
+#if wxUSE_PROTOCOL_HTTP
+    if (m_proxy && m_proxy != ms_proxyDefault)
+        delete m_proxy;
+#endif // wxUSE_PROTOCOL_HTTP
+#if wxUSE_URL_NATIVE
+    delete m_nativeImp;

 #endif
 }
 
 // --------------------------------------------------------------
 #endif
 }
 
 // --------------------------------------------------------------

-// --------- wxURL urls decoders --------------------------------
+// FetchProtocol

 // --------------------------------------------------------------
 
 // --------------------------------------------------------------
 

-bool wxURL::PrepProto(wxString& url)
-{
-  int pos;
-
-  // Find end
-  pos = url.Find(_T(':'));
-  if (pos == -1)
-    return FALSE;
-
-  m_protoname = url(0, pos);
-
-  url = url(pos+1, url.Length());
-
-  return TRUE;
-}
-
-bool wxURL::PrepHost(wxString& url)
-{
-  wxString temp_url;
-  int pos, pos2;
-
-  if ((url.GetChar(0) != '/') || (url.GetChar(1) != '/'))
-    return FALSE;
-
-  url = url(2, url.Length());
-
-  pos = url.Find(_T('/'));
-  if (pos == -1)
-    pos = url.Length();
-
-  if (pos == 0)
-    return FALSE;
-
-  temp_url = url(0, pos);
-  url = url(url.Find(_T('/')), url.Length());
-
-  // Retrieve service number
-  pos2 = temp_url.Find(_T(':'), TRUE);
-  if (pos2 != -1 && pos2 < pos) {
-    m_servname = temp_url(pos2+1, pos);
-    if (!m_servname.IsNumber())
-      return FALSE;
-    temp_url = temp_url(0, pos2);
-  }
-
-  // Retrieve user and password.
-  pos2 = temp_url.Find(_T('@'));
-  // Even if pos2 equals -1, this code is right.
-  m_hostname = temp_url(pos2+1, temp_url.Length());
-
-  m_user = _T("");
-  m_password = _T("");
-
-  if (pos2 == -1)
-    return TRUE;
-
-  temp_url = temp_url(0, pos2);
-  pos2 = temp_url.Find(_T(':'));
-
-  if (pos2 == -1)
-    return FALSE;
-
-  m_user = temp_url(0, pos2);
-  m_password = temp_url(pos2+1, url.Length());
-
-  return TRUE;
-}
-
-bool wxURL::PrepPath(wxString& url)
-{
-  if (url.Length() != 0)
-    m_path = ConvertToValidURI(url);
-  else
-    m_path = _T("/");
-  return TRUE;
-}
-

 bool wxURL::FetchProtocol()
 {
 bool wxURL::FetchProtocol()
 {

-  wxProtoInfo *info = g_protocols;
+  wxProtoInfo *info = ms_protocols;

 
 

-  while (info) {
-    if (m_protoname == info->m_protoname) {
-      if (m_servname.IsNull())
-        m_servname = info->m_servname;
-
-      m_protoinfo = info;
-      m_protocol = (wxProtocol *)m_protoinfo->m_cinfo->CreateObject();
-      return TRUE;
+  while (info)
+  {
+    if (m_scheme == info->m_protoname)
+    {
+        if (m_port.IsNull())
+            m_port = info->m_servname;
+        m_protoinfo = info;
+        m_protocol = (wxProtocol *)m_protoinfo->m_cinfo->CreateObject();
+        return true;

     }
     info = info->next;
   }
     }
     info = info->next;
   }

-  return FALSE;
+  return false;

 }
 
 // --------------------------------------------------------------
 }
 
 // --------------------------------------------------------------

-// --------- wxURL get ------------------------------------------
+// GetInputStream

 // --------------------------------------------------------------
 
 // --------------------------------------------------------------
 

-wxInputStream *wxURL::GetInputStream(void)
+wxInputStream *wxURL::GetInputStream()

 {
 {

-  wxInputStream *the_i_stream = NULL;
-
-  if (!m_protocol) {
+  if (!m_protocol)
+  {

     m_error = wxURL_NOPROTO;
     return NULL;
   }
 
   m_error = wxURL_NOERR;
     m_error = wxURL_NOPROTO;
     return NULL;
   }
 
   m_error = wxURL_NOERR;

-  if (m_user != _T("")) {
-    m_protocol->SetUser(m_user);
-    m_protocol->SetPassword(m_password);
+  if (HasUserInfo())
+  {
+      size_t dwPasswordPos = m_userinfo.find(':');
+
+      if (dwPasswordPos == wxString::npos)
+          m_protocol->SetUser(m_userinfo);
+      else
+      {
+          m_protocol->SetUser(m_userinfo(0, dwPasswordPos));
+          m_protocol->SetPassword(m_userinfo(dwPasswordPos+1, m_userinfo.length() + 1));
+      }
+  }
+
+#if wxUSE_URL_NATIVE
+  // give the native implementation to return a better stream
+  // such as the native WinINet functionality under MS-Windows
+  if (m_nativeImp)
+  {
+    wxInputStream *rc;
+    rc = m_nativeImp->GetInputStream(this);
+    if (rc != 0)
+        return rc;

   }
   }

+  // else use the standard behaviour
+#endif // wxUSE_URL_NATIVE

 
 #if wxUSE_SOCKETS
     wxIPV4address addr;
 
   // m_protoinfo is NULL when we use a proxy
 
 #if wxUSE_SOCKETS
     wxIPV4address addr;
 
   // m_protoinfo is NULL when we use a proxy

-  if (!m_useProxy && m_protoinfo->m_needhost) {
-    if (!addr.Hostname(m_hostname)) {
+  if (!m_useProxy && m_protoinfo->m_needhost)
+  {
+    if (!addr.Hostname(m_server))
+    {

       m_error = wxURL_NOHOST;
       return NULL;
     }
 
       m_error = wxURL_NOHOST;
       return NULL;
     }
 

-    addr.Service(m_servname);
+    addr.Service(m_port);

 
 

-    if (!m_protocol->Connect(addr, TRUE)) // Watcom needs the 2nd arg for some reason
+    if (!m_protocol->Connect(addr, true)) // Watcom needs the 2nd arg for some reason

     {
       m_error = wxURL_CONNERR;
       return NULL;
     {
       m_error = wxURL_CONNERR;
       return NULL;


@@ -276,12 +288,27 @@ wxInputStream *wxURL::GetInputStream(void)
 #endif
 
   // When we use a proxy, we have to pass the whole URL to it.
 #endif
 
   // When we use a proxy, we have to pass the whole URL to it.

-  if (m_useProxy)
-    the_i_stream = m_protocol->GetInputStream(m_url);
+  wxInputStream *the_i_stream;
+  
+  if (!m_useProxy)
+  {
+      the_i_stream = m_protocol->GetInputStream(m_url);
+  }

   else
   else

-    the_i_stream = m_protocol->GetInputStream(m_path);
+  {
+      wxString fullPath = m_path;
+
+      if (HasQuery())
+          fullPath += wxT("?") + m_query;
+      
+      if (HasFragment())
+          fullPath += wxT("#") + m_fragment;
+      
+      the_i_stream = m_protocol->GetInputStream(fullPath);
+  }

 
 

-  if (!the_i_stream) {
+  if (!the_i_stream)
+  {

     m_error = wxURL_PROTOERR;
     return NULL;
   }
     m_error = wxURL_PROTOERR;
     return NULL;
   }


@@ -289,99 +316,133 @@ wxInputStream *wxURL::GetInputStream(void)
   return the_i_stream;
 }
 
   return the_i_stream;
 }
 

-#if wxUSE_SOCKETS
+#if wxUSE_PROTOCOL_HTTP

 void wxURL::SetDefaultProxy(const wxString& url_proxy)
 {
 void wxURL::SetDefaultProxy(const wxString& url_proxy)
 {

-  if (url_proxy.IsNull()) {
-    g_proxy->Close();
-    delete g_proxy;
-    g_proxy = NULL;
-    return;
+  if ( !url_proxy )
+  {
+      if ( ms_proxyDefault )
+      {
+          ms_proxyDefault->Close();
+          delete ms_proxyDefault;
+          ms_proxyDefault = NULL;
+      }

   }
   }

-
-  wxString tmp_str = url_proxy;
-  int pos = tmp_str.Find(_T(':'));
-  if (pos == -1)
-    return;
-
-  wxString hostname = tmp_str(0, pos),
-           port = tmp_str(pos+1, tmp_str.Length()-pos);
-  wxIPV4address addr;
-
-  if (!addr.Hostname(hostname))
-    return;
-  if (!addr.Service(port))
-    return;
-
-  if (g_proxy)
-  // Finally, when all is right, we connect the new proxy.
-    g_proxy->Close();

   else
   else

-    g_proxy = new wxHTTP();
-  g_proxy->Connect(addr, TRUE); // Watcom needs the 2nd arg for some reason
+  {
+      wxString tmp_str = url_proxy;
+      int pos = tmp_str.Find(wxT(':'));
+      if (pos == wxNOT_FOUND)
+          return;
+
+      wxString hostname = tmp_str(0, pos),
+      port = tmp_str(pos+1, tmp_str.Length()-pos);
+      wxIPV4address addr;
+
+      if (!addr.Hostname(hostname))
+          return;
+      if (!addr.Service(port))
+          return;
+
+      if (ms_proxyDefault)
+          // Finally, when all is right, we connect the new proxy.
+          ms_proxyDefault->Close();
+      else
+          ms_proxyDefault = new wxHTTP();
+      ms_proxyDefault->Connect(addr, true); // Watcom needs the 2nd arg for some reason
+  }

 }
 
 void wxURL::SetProxy(const wxString& url_proxy)
 {
 }
 
 void wxURL::SetProxy(const wxString& url_proxy)
 {

-  if (url_proxy.IsNull()) {
-    if (m_proxy) {
-      m_proxy->Close();
-      delete m_proxy;
-    }
-    m_useProxy = FALSE;
-    return;
-  }
+    if ( !url_proxy )
+    {
+        if ( m_proxy && m_proxy != ms_proxyDefault )
+        {
+            m_proxy->Close();
+            delete m_proxy;
+        }

 
 

-  wxString tmp_str;
-  wxString hostname, port;
-  int pos;
-  wxIPV4address addr;
-
-  tmp_str = url_proxy;
-  pos = tmp_str.Find(_T(':'));
-  // This is an invalid proxy name.
-  if (pos == -1)
-    return;
-
-  hostname = tmp_str(0, pos);
-  port = tmp_str(pos, tmp_str.Length()-pos);
-
-  addr.Hostname(hostname);
-  addr.Service(port);
-
-  // Finally, create the whole stuff.
-  if (m_proxy && m_proxy != g_proxy)
-    delete m_proxy;
-  m_proxy = new wxHTTP();
-  m_proxy->Connect(addr, TRUE); // Watcom needs the 2nd arg for some reason
-
-  CleanData();
-  // Reparse url.
-  m_useProxy = TRUE;
-  ParseURL();
+        m_useProxy = false;
+    }
+    else
+    {
+        wxString tmp_str;
+        wxString hostname, port;
+        int pos;
+        wxIPV4address addr;
+
+        tmp_str = url_proxy;
+        pos = tmp_str.Find(wxT(':'));
+        // This is an invalid proxy name.
+        if (pos == wxNOT_FOUND)
+            return;
+
+        hostname = tmp_str(0, pos);
+        port = tmp_str(pos+1, tmp_str.Length()-pos);
+
+        addr.Hostname(hostname);
+        addr.Service(port);
+
+        // Finally, create the whole stuff.
+        if (m_proxy && m_proxy != ms_proxyDefault)
+            delete m_proxy;
+        m_proxy = new wxHTTP();
+        m_proxy->Connect(addr, true); // Watcom needs the 2nd arg for some reason
+
+        CleanData();
+        // Reparse url.
+        m_useProxy = true;
+        ParseURL();
+    }

 }
 }

-#endif
+#endif // wxUSE_PROTOCOL_HTTP
+
+// ----------------------------------------------------------------------
+// wxURLModule
+//
+// A module which deletes the default proxy if we created it
+// ----------------------------------------------------------------------
+
+#if wxUSE_SOCKETS
+
+class wxURLModule : public wxModule
+{
+public:
+    virtual bool OnInit();
+    virtual void OnExit();
+
+private:
+    DECLARE_DYNAMIC_CLASS(wxURLModule)
+};
+
+IMPLEMENT_DYNAMIC_CLASS(wxURLModule, wxModule)

 
 

-wxString wxURL::ConvertToValidURI(const wxString& uri)
+bool wxURLModule::OnInit()

 {
 {

-  wxString out_str;
-  wxString hexa_code;
-  size_t i;
-
-  for (i=0;i<uri.Len();i++) {
-    wxChar c = uri.GetChar(i);
-
-    if (c == _T(' '))
-      out_str += _T('+');
-    else {
-      if (!isalpha(c) && c != _T('.') && c != _T('+') && c != _T('/')) {
-        hexa_code.Printf(_T("%%%02X"), c);
-        out_str += hexa_code;
-      } else
-        out_str += c;
+#if wxUSE_PROTOCOL_HTTP
+    // env var HTTP_PROXY contains the address of the default proxy to use if
+    // set, but don't try to create this proxy right now because it will slow
+    // down the program startup (especially if there is no DNS server
+    // available, in which case it may take up to 1 minute)
+
+    if ( getenv("HTTP_PROXY") )
+    {
+        wxURL::ms_useDefaultProxy = true;

     }
     }

-  }
+#endif // wxUSE_PROTOCOL_HTTP
+    return true;
+}

 
 

-  return out_str;
+void wxURLModule::OnExit()
+{
+#if wxUSE_PROTOCOL_HTTP
+    delete wxURL::ms_proxyDefault;
+    wxURL::ms_proxyDefault = NULL;
+#endif // wxUSE_PROTOCOL_HTTP

 }
 
 }
 

+#endif // wxUSE_SOCKETS
+
+#endif // wxUSE_URL
+