X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/3b4183d82b7b833106edd751632c2f24c9580eb6..888dde65f43d5f57e8fb2028b27191cca1741403:/src/common/url.cpp diff --git a/src/common/url.cpp b/src/common/url.cpp index 46e26db8ce..b48d5dabe7 100644 --- a/src/common/url.cpp +++ b/src/common/url.cpp @@ -1,314 +1,454 @@ ///////////////////////////////////////////////////////////////////////////// -// Name: url.cpp +// Name: src/common/url.cpp // Purpose: URL parser // Author: Guilhem Lavaux // Modified by: // Created: 20/07/1997 // RCS-ID: $Id$ // Copyright: (c) 1997, 1998 Guilhem Lavaux -// Licence: wxWindows license +// Licence: wxWindows licence ///////////////////////////////////////////////////////////////////////////// -#ifdef __GNUG__ -#pragma implementation "url.h" -#endif - // For compilers that support precompilation, includes "wx.h". #include "wx/wxprec.h" #ifdef __BORLANDC__ -#pragma hdrstop + #pragma hdrstop #endif +#if wxUSE_URL + +#include "wx/url.h" + #ifndef WX_PRECOMP + #include "wx/list.h" + #include "wx/string.h" + #include "wx/utils.h" + #include "wx/module.h" #endif #include #include -// wxWindows headers -#include -#include -#include +IMPLEMENT_CLASS(wxProtoInfo, wxObject) +IMPLEMENT_CLASS(wxURL, wxURI) -// wxSocket header -#include "wx/url.h" +// Protocols list +wxProtoInfo *wxURL::ms_protocols = NULL; -#if !USE_SHARED_LIBRARY -IMPLEMENT_CLASS(wxProtoInfo, wxObject) -IMPLEMENT_CLASS(wxURL, wxObject) +// 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 -// Protocols list -wxProtoInfo *wxURL::g_protocols = NULL; -wxHTTP *wxURL::g_proxy; +#if wxUSE_PROTOCOL_FTP +USE_PROTOCOL(wxFTP) +#endif -///////////////////////////////////////////////////////////////// -// wxURL //////////////////////////////////////////////////////// -///////////////////////////////////////////////////////////////// +// -------------------------------------------------------------- +// +// wxURL +// +// -------------------------------------------------------------- -/* - * -------------------------------------------------------------- - * --------- wxURL CONSTRUCTOR DESTRUCTOR ----------------------- - * -------------------------------------------------------------- - */ +// -------------------------------------------------------------- +// Construction +// -------------------------------------------------------------- -wxURL::wxURL(const wxString& url) +wxURL::wxURL(const wxString& url) : wxURI(url) { - m_protocol = NULL; - if (g_proxy->IsConnected()) { - m_protocol = g_proxy; - m_protoname = "proxy"; - m_path = url; - return; - } - m_url = url; - m_error = wxURL_NOERR; + Init(url); + ParseURL(); } -bool wxURL::ParseURL() +wxURL::wxURL(const wxURI& url) : wxURI(url) { - wxString last_url = m_url; - - // Clean up - CleanData(); - - // Extract protocol name - if (!PrepProto(last_url)) { - m_error = wxURL_SNTXERR; - return FALSE; - } - - // Find and create the protocol object - if (!FetchProtocol()) { - m_error = wxURL_NOPROTO; - return FALSE; - } - - // Do we need a host name ? - if (m_protoinfo->m_needhost) { - // Extract it - if (!PrepHost(last_url)) { - m_error = wxURL_SNTXERR; - return FALSE; + 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 + +#if wxUSE_PROTOCOL_HTTP + if ( ms_useDefaultProxy && !ms_proxyDefault ) + { + SetDefaultProxy( wxGetenv(wxT("HTTP_PROXY")) ); + + if ( !ms_proxyDefault ) + { + // don't try again + ms_useDefaultProxy = false; + } } - } - // Extract full path - if (!PrepPath(last_url)) { - m_error = wxURL_NOPATH; - return FALSE; - } + m_useProxy = ms_proxyDefault != NULL; + m_proxy = ms_proxyDefault; +#endif // wxUSE_PROTOCOL_HTTP - m_error = wxURL_NOERR; - return TRUE; } -void wxURL::CleanData() +// -------------------------------------------------------------- +// Assignment +// -------------------------------------------------------------- + +wxURL& wxURL::operator = (const wxURI& url) { - if (m_protoname != "proxy") - delete m_protocol; + wxURI::operator = (url); + Init(url.BuildURI()); + ParseURL(); + return *this; } - -wxURL::~wxURL() +wxURL& wxURL::operator = (const wxString& url) { - CleanData(); + wxURI::operator = (url); + Init(url); + ParseURL(); + return *this; } -/* - * -------------------------------------------------------------- - * --------- wxURL urls decoders -------------------------------- - * -------------------------------------------------------------- - */ -bool wxURL::PrepProto(wxString& url) +// -------------------------------------------------------------- +// ParseURL +// +// Builds the URL and takes care of the old protocol stuff +// -------------------------------------------------------------- + +bool wxURL::ParseURL() { - int pos; + // If the URL was already parsed (m_protocol != NULL), pass this section. + if (!m_protocol) + { + // Clean up + CleanData(); + + // Make sure we have a protocol/scheme + if (!HasScheme()) + { + m_error = wxURL_SNTXERR; + return false; + } + + // Find and create the protocol object + if (!FetchProtocol()) + { + m_error = wxURL_NOPROTO; + return false; + } + + // Do we need a host name ? + if (m_protoinfo->m_needhost) + { + // Make sure we have one, then + if (!HasServer()) + { + m_error = wxURL_SNTXERR; + return false; + } + } + } - // Find end - pos = url.Find(':'); - if (pos == -1) - return FALSE; +#if wxUSE_PROTOCOL_HTTP + if (m_useProxy) + { + // Third, we rebuild the URL. + m_url = m_scheme + wxT(":"); + if (m_protoinfo->m_needhost) + m_url = m_url + wxT("//") + m_server; - m_protoname = url(0, pos); + // We initialize specific variables. + m_protocol = m_proxy; // FIXME: we should clone the protocol + } +#endif // wxUSE_PROTOCOL_HTTP + + m_error = wxURL_NOERR; + return true; +} - url = url(pos+1, url.Length()); +// -------------------------------------------------------------- +// Destruction/Cleanup +// -------------------------------------------------------------- - return TRUE; +void wxURL::CleanData() +{ +#if wxUSE_PROTOCOL_HTTP + if (!m_useProxy) +#endif // wxUSE_PROTOCOL_HTTP + if (m_protocol) + // Need to safely delete the socket (pending events) + m_protocol->Destroy(); } -bool wxURL::PrepHost(wxString& url) +wxURL::~wxURL() { - wxString temp_url; - int pos, pos2; + 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 +} - if ((url.GetChar(0) != '/') || (url.GetChar(1) != '/')) - return FALSE; +// -------------------------------------------------------------- +// FetchProtocol +// -------------------------------------------------------------- - url = url(2, url.Length()); +bool wxURL::FetchProtocol() +{ + wxProtoInfo *info = ms_protocols; + + 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; + } + return false; +} - pos = url.Find('/'); - if (pos == -1) - pos = url.Length(); +// -------------------------------------------------------------- +// GetInputStream +// -------------------------------------------------------------- - if (pos == 0) - return FALSE; +wxInputStream *wxURL::GetInputStream() +{ + if (!m_protocol) + { + m_error = wxURL_NOPROTO; + return NULL; + } - temp_url = url(0, pos); - url = url(url.Find('/'), url.Length()); + m_error = wxURL_NOERR; + 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)); + } + } - // Retrieve service number - pos2 = temp_url.Find(':', TRUE); - if (pos2 != -1 && pos2 < pos) { - m_servname = url(pos2, pos); - if (!m_servname.IsNumber()) - return FALSE; - pos2 = pos; - temp_url = temp_url(0, pos2); - } +#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_server)) + { + m_error = wxURL_NOHOST; + return NULL; + } + + addr.Service(m_port); + + if (!m_protocol->Connect(addr, true)) // Watcom needs the 2nd arg for some reason + { + m_error = wxURL_CONNERR; + return NULL; + } + } +#endif - // Retrieve user and password. - pos2 = temp_url.Find('@'); - // Even if pos2 equals -1, this code is right. - m_hostname = temp_url(pos2+1, temp_url.Length()); + wxString fullPath; - m_user = ""; - m_password = ""; + // When we use a proxy, we have to pass the whole URL to it. + if (m_useProxy) + fullPath += m_url; - if (pos2 == -1) - return TRUE; + if(m_path.empty()) + fullPath += wxT("/"); + else + fullPath += m_path; - temp_url = temp_url(0, pos2); - pos2 = temp_url.Find(':'); + if (HasQuery()) + fullPath += wxT("?") + m_query; - if (pos2 == -1) - return FALSE; + if (HasFragment()) + fullPath += wxT("#") + m_fragment; - m_user = temp_url(0, pos2); - m_password = temp_url(pos2+1, url.Length()); + wxInputStream *the_i_stream = m_protocol->GetInputStream(fullPath); - return TRUE; -} + if (!the_i_stream) + { + m_error = wxURL_PROTOERR; + return NULL; + } -bool wxURL::PrepPath(wxString& url) -{ - if (url.Length() != 0) - m_path = url; - else - m_path = "/"; - return TRUE; + return the_i_stream; } -bool wxURL::FetchProtocol() +#if wxUSE_PROTOCOL_HTTP +void wxURL::SetDefaultProxy(const wxString& url_proxy) { - wxProtoInfo *info = g_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(); - wxSocketHandler::Master().Register(m_protocol); - return TRUE; + if ( !url_proxy ) + { + if ( ms_proxyDefault ) + { + ms_proxyDefault->Close(); + delete ms_proxyDefault; + ms_proxyDefault = NULL; + } + } + else + { + 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 } - info = info->next; - } - return FALSE; } -/* - * -------------------------------------------------------------- - * --------- wxURL get ------------------------------------------ - * -------------------------------------------------------------- - */ -wxInputStream *wxURL::GetInputStream(void) +void wxURL::SetProxy(const wxString& url_proxy) { - wxIPV4address addr; - wxInputStream *the_i_stream = NULL; - - if (!m_protocol) - if (!ParseURL()) - return NULL; - - if (!m_protocol) { - m_error = wxURL_NOPROTO; - return NULL; - } - - m_error = wxURL_NOERR; - if (m_user != "") { - m_protocol->SetUser(m_user); - m_protocol->SetPassword(m_password); - } - - if (m_protoinfo->m_needhost) { - if (!addr.Hostname(m_hostname)) { - m_error = wxURL_NOHOST; - return NULL; + if ( !url_proxy ) + { + if ( m_proxy && m_proxy != ms_proxyDefault ) + { + m_proxy->Close(); + delete m_proxy; + } + + m_useProxy = false; } - - addr.Service(m_servname); - - if (!m_protocol->Connect(addr)) { - m_error = wxURL_CONNERR; - return NULL; + 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 // wxUSE_PROTOCOL_HTTP - the_i_stream = m_protocol->GetInputStream(m_path); - if (!the_i_stream) { - m_error = wxURL_PROTOERR; - return NULL; - } +// ---------------------------------------------------------------------- +// wxURLModule +// +// A module which deletes the default proxy if we created it +// ---------------------------------------------------------------------- - return the_i_stream; -} +#if wxUSE_SOCKETS -void wxURL::SetDefaultProxy(const wxString& url_proxy) +class wxURLModule : public wxModule { - g_proxy->Close(); +public: + wxURLModule(); - if (url_proxy.IsNull()) - return; + virtual bool OnInit(); + virtual void OnExit(); - wxString tmp_str = url_proxy; - int pos = tmp_str.Find(':'); - wxString hostname = tmp_str(0, pos), - port = tmp_str(pos, tmp_str.Length()-pos); - wxIPV4address addr; +private: + DECLARE_DYNAMIC_CLASS(wxURLModule) +}; - addr.Hostname(hostname); - addr.Service(port); - - g_proxy->Connect(addr); -} +IMPLEMENT_DYNAMIC_CLASS(wxURLModule, wxModule) -void wxURL::SetProxy(const wxString& url_proxy) +wxURLModule::wxURLModule() { - if (url_proxy.IsNull()) { - m_proxy.Close(); - return; - } - - CleanData(); + // we must be cleaned up before wxSocketModule as otherwise deleting + // ms_proxyDefault from our OnExit() won't work (and can actually crash) + AddDependency(wxClassInfo::FindClass(_T("wxSocketModule"))); +} - wxString tmp_str; - wxString hostname, port; - int pos; - wxIPV4address addr; +bool wxURLModule::OnInit() +{ +#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 ( wxGetenv(_T("HTTP_PROXY")) ) + { + wxURL::ms_useDefaultProxy = true; + } +#endif // wxUSE_PROTOCOL_HTTP + return true; +} - tmp_str = url_proxy; - pos = tmp_str.Find(':'); - hostname = tmp_str(0, pos); - port = tmp_str(pos, tmp_str.Length()-pos); +void wxURLModule::OnExit() +{ +#if wxUSE_PROTOCOL_HTTP + delete wxURL::ms_proxyDefault; + wxURL::ms_proxyDefault = NULL; +#endif // wxUSE_PROTOCOL_HTTP +} - addr.Hostname(hostname); - addr.Service(port); +#endif // wxUSE_SOCKETS - m_proxy.Connect(addr); - m_protocol = &m_proxy; - m_protoname = "proxy"; - m_path = url_proxy; -} +#endif // wxUSE_URL