// 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 hdrstop
#endif
-#include <string.h>
-#include <ctype.h>
+#if wxUSE_URL
#include "wx/string.h"
#include "wx/list.h"
#include "wx/utils.h"
+#include "wx/module.h"
#include "wx/url.h"
-#if !USE_SHARED_LIBRARY
+#include <string.h>
+#include <ctype.h>
+
IMPLEMENT_CLASS(wxProtoInfo, wxObject)
IMPLEMENT_CLASS(wxURL, wxObject)
-#endif
// Protocols list
-wxProtoInfo *wxURL::g_protocols = NULL;
+wxProtoInfo *wxURL::ms_protocols = NULL;
+
+// Enforce linking of protocol classes:
+USE_PROTOCOL(wxFileProto)
#if wxUSE_SOCKETS
-wxHTTP *wxURL::g_proxy = NULL;
+USE_PROTOCOL(wxHTTP)
+USE_PROTOCOL(wxFTP)
+
+ wxHTTP *wxURL::ms_proxyDefault = NULL;
+ bool wxURL::ms_useDefaultProxy = false;
#endif
// --------------------------------------------------------------
wxURL::wxURL(const wxString& url)
{
- m_protocol = NULL;
- m_error = wxURL_NOERR;
- m_url = url;
-#if wxUSE_SOCKETS
- m_useProxy = (g_proxy != NULL);
- m_proxy = g_proxy;
+ m_protocol = NULL;
+ m_error = wxURL_NOERR;
+ m_url = url;
+#if wxUSE_URL_NATIVE
+ m_nativeImp = CreateNativeImpObject();
#endif
- ParseURL();
+
+#if wxUSE_SOCKETS
+ 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_SOCKETS
+
+ ParseURL();
}
bool wxURL::ParseURL()
{
wxString last_url = m_url;
- // If the URL was already parsed (so m_protocol != NULL), we pass this section.
- if (!m_protocol) {
-
+ // If the URL was already parsed (m_protocol != NULL), pass this section.
+ if (!m_protocol)
+ {
// Clean up
CleanData();
// Extract protocol name
- if (!PrepProto(last_url)) {
+ if (!PrepProto(last_url))
+ {
m_error = wxURL_SNTXERR;
- return FALSE;
+ return false;
}
// Find and create the protocol object
- if (!FetchProtocol()) {
+ if (!FetchProtocol())
+ {
m_error = wxURL_NOPROTO;
- return FALSE;
+ return false;
}
// Do we need a host name ?
- if (m_protoinfo->m_needhost) {
+ if (m_protoinfo->m_needhost)
+ {
// Extract it
- if (!PrepHost(last_url)) {
+ if (!PrepHost(last_url))
+ {
m_error = wxURL_SNTXERR;
- return FALSE;
+ return false;
}
}
// Extract full path
- if (!PrepPath(last_url)) {
+ if (!PrepPath(last_url))
+ {
m_error = wxURL_NOPATH;
- return FALSE;
+ return false;
}
}
// URL parse finished.
#if wxUSE_SOCKETS
- if (m_useProxy) {
- // We destroy the newly created protocol.
- CleanData();
+ if (m_useProxy)
+ {
+ // destroy the previously created protocol as we'll be using m_proxy
+ delete m_protocol;
// Third, we rebuild the URL.
m_url = m_protoname + wxT(":");
#endif
m_error = wxURL_NOERR;
- return TRUE;
+ return true;
}
void wxURL::CleanData()
wxURL::~wxURL()
{
- CleanData();
+ CleanData();
#if wxUSE_SOCKETS
- if (m_proxy && m_proxy != g_proxy)
- delete m_proxy;
+ if (m_proxy && m_proxy != ms_proxyDefault)
+ delete m_proxy;
+#endif
+#if wxUSE_URL_NATIVE
+ delete m_nativeImp;
#endif
}
// Find end
pos = url.Find(wxT(':'));
- if (pos == -1)
- return FALSE;
+ if (pos == wxNOT_FOUND)
+ return false;
m_protoname = url(0, pos);
url = url(pos+1, url.Length());
- return TRUE;
+ return true;
}
bool wxURL::PrepHost(wxString& url)
int pos, pos2;
if ((url.GetChar(0) != wxT('/')) || (url.GetChar(1) != wxT('/')))
- return FALSE;
+ return false;
url = url(2, url.Length());
pos = url.Find(wxT('/'));
- if (pos == -1)
+ if (pos == wxNOT_FOUND)
pos = url.Length();
if (pos == 0)
- return FALSE;
+ return false;
temp_url = url(0, pos);
url = url(url.Find(wxT('/')), url.Length());
// Retrieve service number
- pos2 = temp_url.Find(wxT(':'), TRUE);
- if (pos2 != -1 && pos2 < pos) {
+ pos2 = temp_url.Find(wxT(':'), true);
+ if (pos2 != wxNOT_FOUND && pos2 < pos)
+ {
m_servname = temp_url(pos2+1, pos);
if (!m_servname.IsNumber())
- return FALSE;
+ return false;
temp_url = temp_url(0, pos2);
}
// Retrieve user and password.
pos2 = temp_url.Find(wxT('@'));
- // Even if pos2 equals -1, this code is right.
+ // Even if pos2 equals wxNOT_FOUND, this code is right.
m_hostname = temp_url(pos2+1, temp_url.Length());
m_user = wxT("");
m_password = wxT("");
- if (pos2 == -1)
- return TRUE;
+ if (pos2 == wxNOT_FOUND)
+ return true;
temp_url = temp_url(0, pos2);
pos2 = temp_url.Find(wxT(':'));
- if (pos2 == -1)
- return FALSE;
+ if (pos2 == wxNOT_FOUND)
+ return false;
m_user = temp_url(0, pos2);
m_password = temp_url(pos2+1, url.Length());
- return TRUE;
+ return true;
}
bool wxURL::PrepPath(wxString& url)
m_path = ConvertToValidURI(url);
else
m_path = wxT("/");
- return TRUE;
+ return true;
}
bool wxURL::FetchProtocol()
{
- wxProtoInfo *info = g_protocols;
+ wxProtoInfo *info = ms_protocols;
- while (info) {
- if (m_protoname == info->m_protoname) {
+ 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;
+ return true;
}
info = info->next;
}
- return FALSE;
+ return false;
}
// --------------------------------------------------------------
wxInputStream *wxURL::GetInputStream()
{
- wxInputStream *the_i_stream = NULL;
-
- if (!m_protocol) {
+ if (!m_protocol)
+ {
m_error = wxURL_NOPROTO;
return NULL;
}
m_error = wxURL_NOERR;
- if (m_user != wxT("")) {
+ if (m_user != wxT(""))
+ {
m_protocol->SetUser(m_user);
m_protocol->SetPassword(m_password);
}
+#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 (!m_useProxy && m_protoinfo->m_needhost) {
- if (!addr.Hostname(m_hostname)) {
+ if (!m_useProxy && m_protoinfo->m_needhost)
+ {
+ if (!addr.Hostname(m_hostname))
+ {
m_error = wxURL_NOHOST;
return NULL;
}
addr.Service(m_servname);
- 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;
#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);
- else
- the_i_stream = m_protocol->GetInputStream(m_path);
+ wxInputStream *the_i_stream =
+ (m_useProxy) ? m_protocol->GetInputStream(m_url) :
+ m_protocol->GetInputStream(m_path);
- if (!the_i_stream) {
+ if (!the_i_stream)
+ {
m_error = wxURL_PROTOERR;
return NULL;
}
#if wxUSE_SOCKETS
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(wxT(':'));
- 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
- 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)
{
- 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(wxT(':'));
- // 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_SOCKETS
-wxString wxURL::ConvertToValidURI(const wxString& uri)
+wxString wxURL::ConvertToValidURI(const wxString& uri, const wxChar* delims)
{
wxString out_str;
wxString hexa_code;
size_t i;
- for (i=0;i<uri.Len();i++) {
+ for (i = 0; i < uri.Len(); i++)
+ {
wxChar c = uri.GetChar(i);
if (c == wxT(' '))
- out_str += wxT('+');
- else {
- if (!isalpha(c) && c != wxT('.') && c != wxT('+') && c != wxT('/')) {
+ {
+ // GRG, Apr/2000: changed to "%20" instead of '+'
+
+ out_str += wxT("%20");
+ }
+ else
+ {
+ // GRG, Apr/2000: modified according to the URI definition (RFC 2396)
+ //
+ // - Alphanumeric characters are never escaped
+ // - Unreserved marks are never escaped
+ // - Delimiters must be escaped if they appear within a component
+ // but not if they are used to separate components. Here we have
+ // no clear way to distinguish between these two cases, so they
+ // are escaped unless they are passed in the 'delims' parameter
+ // (allowed delimiters).
+
+ static const wxChar marks[] = wxT("-_.!~*()'");
+
+ if ( !wxIsalnum(c) && !wxStrchr(marks, c) && !wxStrchr(delims, c) )
+ {
hexa_code.Printf(wxT("%%%02X"), c);
out_str += hexa_code;
- } else
+ }
+ else
+ {
out_str += c;
+ }
}
}
wxString new_uri;
size_t i = 0;
- while (i<uri.Len()) {
+ while (i < uri.Len())
+ {
int code;
- if (uri[i] == wxT('%')) {
+ if (uri[i] == wxT('%'))
+ {
i++;
if (uri[i] >= wxT('A') && uri[i] <= wxT('F'))
code = (uri[i] - wxT('A') + 10) * 16;
+ else if (uri[i] >= wxT('a') && uri[i] <= wxT('f'))
+ code = (uri[i] - wxT('a') + 10) * 16;
else
code = (uri[i] - wxT('0')) * 16;
+
i++;
if (uri[i] >= wxT('A') && uri[i] <= wxT('F'))
code += (uri[i] - wxT('A')) + 10;
+ else if (uri[i] >= wxT('a') && uri[i] <= wxT('f'))
+ code += (uri[i] - wxT('a')) + 10;
else
code += (uri[i] - wxT('0'));
+
i++;
new_uri += (wxChar)code;
continue;
}
return new_uri;
}
+
+// ----------------------------------------------------------------------
+// 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)
+
+bool wxURLModule::OnInit()
+{
+ // 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;
+ }
+
+ return true;
+}
+
+void wxURLModule::OnExit()
+{
+ delete wxURL::ms_proxyDefault;
+ wxURL::ms_proxyDefault = NULL;
+}
+
+#endif // wxUSE_SOCKETS
+
+#endif // wxUSE_URL
+
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