From 3f95d417d9e623ac0c74df8ef11d7a01846392dd Mon Sep 17 00:00:00 2001
From: Stef Walter <stef@thewalter.net>
Date: Wed, 17 Sep 2003 19:07:23 +0000
Subject: Initial Import

---
 NetCmpts/parseurl.cpp | 128 ++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 128 insertions(+)
 create mode 100644 NetCmpts/parseurl.cpp

(limited to 'NetCmpts/parseurl.cpp')

diff --git a/NetCmpts/parseurl.cpp b/NetCmpts/parseurl.cpp
new file mode 100644
index 0000000..786cc74
--- /dev/null
+++ b/NetCmpts/parseurl.cpp
@@ -0,0 +1,128 @@
+
+#include <stdafx.h>
+#include "parseurl.h"
+
+#ifndef _AFXDLL
+#pragma comment(lib, "wininet.lib")
+#endif
+
+/////////////////////////////////////////////////////////////////////////////
+// Global Functions
+
+static bool _ParseURLWorker(LPCTSTR pstrURL, LPURL_COMPONENTS lpComponents, 
+						    DWORD& dwServiceType, INTERNET_PORT& nPort, DWORD dwFlags)
+{
+	// this function will return bogus stuff if lpComponents
+	// isn't set up to copy the components
+	ASSERT(lpComponents != NULL && pstrURL != NULL);
+	if (lpComponents == NULL || pstrURL == NULL) return false;
+
+	ASSERT(lpComponents->dwHostNameLength == 0 ||
+			lpComponents->lpszHostName != NULL);
+	ASSERT(lpComponents->dwUrlPathLength == 0 ||
+			lpComponents->lpszUrlPath != NULL);
+	ASSERT(lpComponents->dwUserNameLength == 0 ||
+			lpComponents->lpszUserName != NULL);
+	ASSERT(lpComponents->dwPasswordLength == 0 ||
+			lpComponents->lpszPassword != NULL);
+
+	LPTSTR pstrCanonicalizedURL;
+	TCHAR szCanonicalizedURL[INTERNET_MAX_URL_LENGTH];
+	DWORD dwNeededLength = INTERNET_MAX_URL_LENGTH;
+
+	bool bRetVal;
+	bool bMustFree = false;
+	DWORD dwCanonicalizeFlags = dwFlags &
+		(ICU_NO_ENCODE | ICU_DECODE | ICU_NO_META |
+		ICU_ENCODE_SPACES_ONLY | ICU_BROWSER_MODE);
+	DWORD dwCrackFlags = dwFlags & (ICU_ESCAPE | ICU_USERNAME);
+
+	bRetVal = InternetCanonicalizeUrl(pstrURL, szCanonicalizedURL, &dwNeededLength, 
+									  dwCanonicalizeFlags) ? true : false;
+
+	if(!bRetVal)
+	{
+		if(::GetLastError() != ERROR_INSUFFICIENT_BUFFER)
+			return false;
+
+		pstrCanonicalizedURL = new TCHAR[dwNeededLength];
+		bMustFree = true;
+		bRetVal = InternetCanonicalizeUrl(pstrURL, pstrCanonicalizedURL, &dwNeededLength, 
+										  dwCanonicalizeFlags) ? true : false;
+		if(!bRetVal)
+		{
+			delete [] pstrCanonicalizedURL;
+			return false;
+		}
+	}
+	else
+		pstrCanonicalizedURL = szCanonicalizedURL;
+
+	// now that it's safely canonicalized, crack it
+	bRetVal = InternetCrackUrl(pstrCanonicalizedURL, 0,
+		dwCrackFlags, lpComponents) ? true : false;
+
+	if (bMustFree)
+		delete [] pstrCanonicalizedURL;
+
+	return bRetVal;
+}
+
+bool ParseURLEx(LPCTSTR pstrURL, DWORD& dwServiceType, string& strServer, 
+			   string& strObject, INTERNET_PORT& nPort, string& strUsername, 
+			   string& strPassword, DWORD dwFlags/* = 0*/)
+{
+	ASSERT(pstrURL != NULL);
+	if (pstrURL == NULL)
+		return false;
+
+	URL_COMPONENTS urlComponents;
+	memset(&urlComponents, 0, sizeof(URL_COMPONENTS));
+	urlComponents.dwStructSize = sizeof(URL_COMPONENTS);
+
+	urlComponents.dwHostNameLength = INTERNET_MAX_HOST_NAME_LENGTH;
+	urlComponents.lpszHostName = strServer.get_buffer(INTERNET_MAX_HOST_NAME_LENGTH + 1);
+	urlComponents.dwUrlPathLength = INTERNET_MAX_PATH_LENGTH;
+	urlComponents.lpszUrlPath = strObject.get_buffer(INTERNET_MAX_PATH_LENGTH + 1);
+	urlComponents.dwUserNameLength = INTERNET_MAX_USER_NAME_LENGTH;
+	urlComponents.lpszUserName = strUsername.get_buffer(INTERNET_MAX_USER_NAME_LENGTH + 1);
+	urlComponents.dwPasswordLength = INTERNET_MAX_PASSWORD_LENGTH;
+	urlComponents.lpszPassword = strPassword.get_buffer(INTERNET_MAX_PASSWORD_LENGTH + 1);
+
+	bool bRetVal = _ParseURLWorker(pstrURL, &urlComponents, dwServiceType, nPort, 
+								  dwFlags);
+
+	dwServiceType = urlComponents.nScheme;
+	strServer.release_buffer();
+	strObject.release_buffer();
+	strUsername.release_buffer();
+	strPassword.release_buffer();
+
+	return bRetVal;
+}
+
+bool ParseURL(LPCTSTR pstrURL, DWORD& dwServiceType, string& strServer, 
+			 string& strObject, INTERNET_PORT& nPort)
+{
+	ASSERT(pstrURL != NULL);
+	if (pstrURL == NULL)
+		return FALSE;
+
+	URL_COMPONENTS urlComponents;
+	memset(&urlComponents, 0, sizeof(URL_COMPONENTS));
+	urlComponents.dwStructSize = sizeof(URL_COMPONENTS);
+
+	urlComponents.dwHostNameLength = INTERNET_MAX_URL_LENGTH;
+	urlComponents.lpszHostName = strServer.get_buffer(INTERNET_MAX_URL_LENGTH + 1);
+	urlComponents.dwUrlPathLength = INTERNET_MAX_URL_LENGTH;
+	urlComponents.lpszUrlPath = strObject.get_buffer(INTERNET_MAX_URL_LENGTH + 1);
+
+	bool bRetVal = _ParseURLWorker(pstrURL, &urlComponents, dwServiceType, 
+									  nPort, ICU_BROWSER_MODE);
+
+	dwServiceType = urlComponents.nScheme;
+	strServer.release_buffer();
+	strObject.release_buffer();
+
+	return bRetVal;
+}
\ No newline at end of file
-- 
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