summaryrefslogtreecommitdiffabout
path: root/CrackURL.cpp
blob: 6537b429a630673a1820d7ec89d270be450167a0 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
#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;
}