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#include "stdafx.h"
#include "CrackURL.h"
CCrackURL::CCrackURL()
{
VERIFY(m_reSchema.Compile("([[:alpha:]]+):",CRegEx::regExtended|CRegEx::regIgnoreCase));
VERIFY(m_reUPHP.Compile("(([^:]+)?(:([^@]*))?@)?([^:/]+)(:([[:digit:]]+))?",CRegEx::regExtended|CRegEx::regIgnoreCase));
VERIFY(m_reHTTPReq.Compile("(.*/)?([^#\\?]*)(#[^\\?]*)?(\\?.*)?",CRegEx::regExtended|CRegEx::regIgnoreCase));
}
BOOL CCrackURL::Crack(LPCTSTR url)
{
m_URL = url;
CString rest;
if(m_reSchema.Match(url)){
m_Schema = m_reSchema.GetMatch(1);
rest = m_reSchema.GetMatch(CRegEx::matchPostMatch);
}else{
m_Schema.Empty();
rest = url;
}
if(rest.Left(2)=="//"){
// URL conforms to common syntax
rest=rest.Mid(2);
ParseUPHP(rest);
}else if(!m_Schema.CompareNoCase("mailto")){
ParseUPHP(rest);
}else{
m_User.Empty(); m_Password.Empty(); m_Host.Empty(); m_Port.Empty();
}
if((!rest.IsEmpty()) && m_reHTTPReq.Match(rest)){
m_pathPath = m_reHTTPReq.GetMatch(1);
m_pathFile = m_reHTTPReq.GetMatch(2);
m_pathAnchor = m_reHTTPReq.GetMatch(3);
m_pathQuery = m_reHTTPReq.GetMatch(4);
m_URLPath = m_reHTTPReq.GetMatch(CRegEx::matchMatch);
rest = m_reHTTPReq.GetMatch(CRegEx::matchPostMatch);
}else{
m_URLPath.Empty();
m_pathPath.Empty();
m_pathFile.Empty();
m_pathAnchor.Empty();
m_pathQuery.Empty();
}
m_urlRest = rest;
return TRUE;
}
void CCrackURL::ParseUPHP(CString& rest)
{
if(m_reUPHP.Match(rest)){
m_User = m_reUPHP.GetMatch(2);
m_Password = m_reUPHP.GetMatch(4);
m_Host = m_reUPHP.GetMatch(5);
m_Port = m_reUPHP.GetMatch(7);
if(!m_Port.IsEmpty())
m_nPort = atoi(m_Port);
rest = m_reUPHP.GetMatch(CRegEx::matchPostMatch);
}else{
m_User.Empty();
m_Password.Empty();
m_Host.Empty();
m_Port.Empty();
}
}
BOOL CCrackURL::Adjust(LPCTSTR srcURL)
{
CCrackURL cracked;
VERIFY(cracked.Crack(srcURL));
return Adjust(cracked);
}
BOOL CCrackURL::Adjust(CCrackURL& srcURL)
{
if(m_Schema.IsEmpty()) m_Schema = srcURL.m_Schema;
if(m_Host.IsEmpty()){
m_Host = srcURL.m_Host;
if(m_User.IsEmpty()) m_User = srcURL.m_User;
if(m_Password.IsEmpty()) m_Password = srcURL.m_Password;
if(m_Port.IsEmpty()) m_Port = srcURL.m_Port, m_nPort = srcURL.m_nPort;
}
if(m_pathPath.Find('/')==0)
return TRUE;
m_pathPath = srcURL.m_pathPath+m_pathPath;
m_URLPath.Empty();
return TRUE;
}
CString CCrackURL::Build()
{
CString rv;
if(!m_Schema.IsEmpty())
rv+=m_Schema+':';
if(!m_Schema.CompareNoCase("mailto")){
rv+=m_User+'@'+m_Host;
}else{
rv+="//";
if(!m_User.IsEmpty()){
rv+=m_User;
if(!m_Password.IsEmpty())
rv+=':'+m_Password;
rv+='@';
}
rv+=m_Host;
if(!m_Port.IsEmpty())
rv+=':'+m_Port;
if(!m_URLPath.IsEmpty()){
rv+=m_URLPath;
}else{
rv+=m_pathPath+m_pathFile+m_pathAnchor+m_pathQuery;
}
}
return rv;
}
CString CCrackURL::InnermostURL(LPCTSTR url)
{
static CRegEx reInnerURL;
if(!reInnerURL.m_bCompiled)
VERIFY(reInnerURL.Compile(".+[^[:alpha:]]([[:alpha:]]+://[^&]+)",CRegEx::regExtended|CRegEx::regIgnoreCase));
CString rv = url;
while(reInnerURL.Match(rv))
rv=reInnerURL.GetMatch(1);
return rv;
}
CString CCrackURL::GetHostName(LPCTSTR url)
{
static CRegEx reHost;
if(!reHost.m_bCompiled)
VERIFY(reHost.Compile("^[[:alpha:]]+://([^/:]+)",CRegEx::regExtended|CRegEx::regIgnoreCase));
CString rv;
if(reHost.Match(url))
rv = reHost.GetMatch(1);
else
rv = url;
return rv;
}
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