X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/f61815af20ebb943000d36ea01489f6115e4061c..0b7dce5480b8cf7ce4368122744d853f7a684e34:/src/common/url.cpp diff --git a/src/common/url.cpp b/src/common/url.cpp index 307bf7627f..b48d5dabe7 100644 --- a/src/common/url.cpp +++ b/src/common/url.cpp @@ -1,375 +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_SOCKETS +#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 -#include -#include -#include -#include - -#if !USE_SHARED_LIBRARY IMPLEMENT_CLASS(wxProtoInfo, wxObject) -IMPLEMENT_CLASS(wxURL, wxObject) -#endif +IMPLEMENT_CLASS(wxURL, wxURI) // Protocols list -wxProtoInfo *wxURL::g_protocols = NULL; -wxHTTP *wxURL::g_proxy = NULL; +wxProtoInfo *wxURL::ms_protocols = 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 // -------------------------------------------------------------- -// 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; - m_useProxy = (g_proxy != NULL); - m_proxy = g_proxy; - ParseURL(); + Init(url); + ParseURL(); } -bool wxURL::ParseURL() +wxURL::wxURL(const wxURI& url) : wxURI(url) { - wxString last_url = m_url; + Init(url.BuildURI()); + ParseURL(); +} - // If the URL was already parsed (so m_protocol != NULL), we pass this section. - if (!m_protocol) { +void wxURL::Init(const wxString& url) +{ + m_protocol = NULL; + m_error = wxURL_NOERR; + m_url = url; +#if wxUSE_URL_NATIVE + m_nativeImp = CreateNativeImpObject(); +#endif - // Clean up - CleanData(); +#if wxUSE_PROTOCOL_HTTP + if ( ms_useDefaultProxy && !ms_proxyDefault ) + { + SetDefaultProxy( wxGetenv(wxT("HTTP_PROXY")) ); - // Extract protocol name - if (!PrepProto(last_url)) { - m_error = wxURL_SNTXERR; - return FALSE; + if ( !ms_proxyDefault ) + { + // don't try again + ms_useDefaultProxy = false; + } } - // Find and create the protocol object - if (!FetchProtocol()) { - m_error = wxURL_NOPROTO; - return FALSE; - } + m_useProxy = ms_proxyDefault != NULL; + m_proxy = ms_proxyDefault; +#endif // wxUSE_PROTOCOL_HTTP - // Do we need a host name ? - if (m_protoinfo->m_needhost) { - // Extract it - if (!PrepHost(last_url)) { - m_error = wxURL_SNTXERR; - return FALSE; - } - } +} - // Extract full path - if (!PrepPath(last_url)) { - m_error = wxURL_NOPATH; - return FALSE; - } - } - // URL parse finished. +// -------------------------------------------------------------- +// Assignment +// -------------------------------------------------------------- - if (m_useProxy) { - // We destroy the newly created protocol. - CleanData(); +wxURL& wxURL::operator = (const wxURI& url) +{ + wxURI::operator = (url); + Init(url.BuildURI()); + ParseURL(); + return *this; +} +wxURL& wxURL::operator = (const wxString& url) +{ + wxURI::operator = (url); + Init(url); + ParseURL(); + return *this; +} + +// -------------------------------------------------------------- +// ParseURL +// +// Builds the URL and takes care of the old protocol stuff +// -------------------------------------------------------------- - // Third, we rebuild the URL. - m_url = m_protoname + _T(":"); - if (m_protoinfo->m_needhost) - m_url = m_url + _T("//") + m_hostname; +bool wxURL::ParseURL() +{ + // 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; + } + } + } - m_url += m_path; +#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; - // 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 // wxUSE_PROTOCOL_HTTP - m_error = wxURL_NOERR; - return TRUE; + m_error = wxURL_NOERR; + return true; } +// -------------------------------------------------------------- +// Destruction/Cleanup +// -------------------------------------------------------------- + void wxURL::CleanData() { - if (!m_useProxy) - delete m_protocol; +#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(); } wxURL::~wxURL() { - CleanData(); - 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 } // -------------------------------------------------------------- -// --------- wxURL urls decoders -------------------------------- +// FetchProtocol // -------------------------------------------------------------- -bool wxURL::PrepProto(wxString& url) +bool wxURL::FetchProtocol() { - int pos; - - // Find end - pos = url.Find(_T(':')); - if (pos == -1) - return FALSE; - - m_protoname = url(0, pos); + wxProtoInfo *info = ms_protocols; - url = url(pos+1, url.Length()); - - 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; + } + return false; } -bool wxURL::PrepHost(wxString& url) -{ - wxString temp_url; - int pos, pos2; +// -------------------------------------------------------------- +// GetInputStream +// -------------------------------------------------------------- - if ((url.GetChar(0) != '/') || (url.GetChar(1) != '/')) - return FALSE; +wxInputStream *wxURL::GetInputStream() +{ + if (!m_protocol) + { + m_error = wxURL_NOPROTO; + return NULL; + } - url = url(2, 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)); + } + } - pos = url.Find(_T('/')); - if (pos == -1) - pos = url.Length(); +#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 (pos == 0) - return FALSE; +#if wxUSE_SOCKETS + wxIPV4address addr; - temp_url = url(0, pos); - url = url(url.Find(_T('/')), url.Length()); + // 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 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); - } + wxString fullPath; - // 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()); + // When we use a proxy, we have to pass the whole URL to it. + if (m_useProxy) + fullPath += m_url; - m_user = _T(""); - m_password = _T(""); + if(m_path.empty()) + fullPath += wxT("/"); + else + fullPath += m_path; - if (pos2 == -1) - return TRUE; + if (HasQuery()) + fullPath += wxT("?") + m_query; - temp_url = temp_url(0, pos2); - pos2 = temp_url.Find(_T(':')); + if (HasFragment()) + fullPath += wxT("#") + m_fragment; - if (pos2 == -1) - return FALSE; + wxInputStream *the_i_stream = m_protocol->GetInputStream(fullPath); - m_user = temp_url(0, pos2); - m_password = temp_url(pos2+1, url.Length()); + if (!the_i_stream) + { + m_error = wxURL_PROTOERR; + return NULL; + } - return TRUE; + return the_i_stream; } -bool wxURL::PrepPath(wxString& url) +#if wxUSE_PROTOCOL_HTTP +void wxURL::SetDefaultProxy(const wxString& url_proxy) { - if (url.Length() != 0) - m_path = ConvertToValidURI(url); - else - m_path = _T("/"); - 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 + } } -bool wxURL::FetchProtocol() +void wxURL::SetProxy(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; + if ( !url_proxy ) + { + if ( m_proxy && m_proxy != ms_proxyDefault ) + { + m_proxy->Close(); + delete m_proxy; + } - m_protoinfo = info; - m_protocol = (wxProtocol *)m_protoinfo->m_cinfo->CreateObject(); - return TRUE; + 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(); } - info = info->next; - } - return FALSE; } +#endif // wxUSE_PROTOCOL_HTTP -// -------------------------------------------------------------- -// --------- wxURL get ------------------------------------------ -// -------------------------------------------------------------- - -wxInputStream *wxURL::GetInputStream(void) -{ - wxIPV4address addr; - wxInputStream *the_i_stream = NULL; - - if (!m_protocol) { - m_error = wxURL_NOPROTO; - return NULL; - } - - m_error = wxURL_NOERR; - if (m_user != _T("")) { - m_protocol->SetUser(m_user); - m_protocol->SetPassword(m_password); - } - - // m_protoinfo is NULL when we use a proxy - if (!m_useProxy && m_protoinfo->m_needhost) { - if (!addr.Hostname(m_hostname)) { - m_error = wxURL_NOHOST; - return NULL; - } +// ---------------------------------------------------------------------- +// wxURLModule +// +// A module which deletes the default proxy if we created it +// ---------------------------------------------------------------------- - addr.Service(m_servname); +#if wxUSE_SOCKETS - if (!m_protocol->Connect(addr, TRUE)) // Watcom needs the 2nd arg for some reason - { - m_error = wxURL_CONNERR; - return NULL; - } - } +class wxURLModule : public wxModule +{ +public: + wxURLModule(); - // 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); + virtual bool OnInit(); + virtual void OnExit(); - if (!the_i_stream) { - m_error = wxURL_PROTOERR; - return NULL; - } +private: + DECLARE_DYNAMIC_CLASS(wxURLModule) +}; - return the_i_stream; -} +IMPLEMENT_DYNAMIC_CLASS(wxURLModule, wxModule) -void wxURL::SetDefaultProxy(const wxString& url_proxy) +wxURLModule::wxURLModule() { - if (url_proxy.IsNull()) { - g_proxy->Close(); - delete g_proxy; - g_proxy = NULL; - return; - } - - 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 - g_proxy = new wxHTTP(); - g_proxy->Connect(addr, TRUE); // Watcom needs the 2nd arg for some reason + // 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"))); } -void wxURL::SetProxy(const wxString& url_proxy) +bool wxURLModule::OnInit() { - if (url_proxy.IsNull()) { - if (m_proxy) { - m_proxy->Close(); - delete m_proxy; +#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; } - m_useProxy = FALSE; - return; - } - - 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(); +#endif // wxUSE_PROTOCOL_HTTP + return true; } -wxString wxURL::ConvertToValidURI(const wxString& uri) +void wxURLModule::OnExit() { - wxString out_str; - wxString hexa_code; - size_t i; - - for (i=0;i