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Initial project's source code check-in.

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ptsurbeleu 2011-07-13 16:07:32 -07:00
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WebsitePanel/Sources/WebsitePanel.Providers.FTP.IIs70/FtpHelper.cs Normal file
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// Copyright (c) 2011, Outercurve Foundation.
// All rights reserved.
//
// Redistribution and use in source and binary forms, with or without modification,
// are permitted provided that the following conditions are met:
//
// - Redistributions of source code must retain the above copyright notice, this
// list of conditions and the following disclaimer.
//
// - Redistributions in binary form must reproduce the above copyright notice,
// this list of conditions and the following disclaimer in the documentation
// and/or other materials provided with the distribution.
//
// - Neither the name of the Outercurve Foundation nor the names of its
// contributors may be used to endorse or promote products derived from this
// software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
// ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
// WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
// DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR
// ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
// (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
// LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
// ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
// SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
namespace WebsitePanel.Providers.FTP.IIs70
{
using WebsitePanel.Providers.FTP.IIs70.Config;
using Microsoft.Web.Administration;
using Microsoft.Web.Management.Ftp.Configuration;
using Microsoft.Web.Management.Server;
using System;
using System.Security.Cryptography;
using System.Security.Cryptography.X509Certificates;
using System.Web.UI;
internal static class FtpHelper
{
public const string ConfigurationError = "ConfigurationError";
public const string FtpProtocol = "ftp";
private const string GetSettingsExceptionError = "GetSettingsExceptionError";
private const string SiteIsNotFtpSiteExceptionError = "SiteIsNotFtpSiteExceptionError";
private const string szOID_ENHANCED_KEY_USAGE = "2.5.29.37";
private const string szOID_PKIX_KP_SERVER_AUTH = "1.3.6.1.5.5.7.3.1";
public static bool CanAuthenticateServer(X509Certificate2 certificate)
{
bool flag = false;
foreach (X509Extension extension in certificate.Extensions)
{
if (string.Equals(extension.Oid.Value, "2.5.29.37", StringComparison.Ordinal))
{
flag = true;
X509EnhancedKeyUsageExtension extension2 = extension as X509EnhancedKeyUsageExtension;
if (extension2 != null)
{
OidEnumerator enumerator = extension2.EnhancedKeyUsages.GetEnumerator();
while (enumerator.MoveNext())
{
if (string.Equals(enumerator.Current.Value, "1.3.6.1.5.5.7.3.1", StringComparison.Ordinal))
{
return true;
}
}
}
}
}
return !flag;
}
public static string ConvertDistinguishedNameToString(X500DistinguishedName dnString)
{
string name = dnString.Name;
bool flag = false;
string[] strArray = dnString.Decode(X500DistinguishedNameFlags.UseNewLines).Split(new char[] { '\n', '\r' }, StringSplitOptions.RemoveEmptyEntries);
if (strArray.Length > 0)
{
flag = true;
string pairAndValue = string.Empty;
for (int i = 0; i < strArray.Length; i++)
{
pairAndValue = strArray[i];
Pair pair = ConvertStringToPair(pairAndValue);
if (string.Equals((string) pair.First, "CN", StringComparison.OrdinalIgnoreCase))
{
name = (string) pair.Second;
flag = false;
break;
}
}
}
else
{
name = (string) ConvertStringToPair(name).Second;
flag = false;
}
if (flag)
{
name = dnString.Name;
}
return name;
}
private static Pair ConvertStringToPair(string pairAndValue)
{
Pair pair = new Pair(pairAndValue, pairAndValue);
int length = -1;
length = pairAndValue.IndexOf("=", StringComparison.Ordinal);
if ((length != -1) && (pairAndValue.Length >= (length + 1)))
{
string x = pairAndValue.Substring(0, length);
string y = pairAndValue.Substring(length + 1);
pair = new Pair(x, y);
}
return pair;
}
public static ConfigurationSection GetAppHostSection(ServerManager serverManager, string sectionName, Type type, ManagementConfigurationPath configPath)
{
if ((serverManager == null) || (configPath == null))
{
throw new ArgumentNullException("ConfigurationError");
}
Configuration applicationHostConfiguration = serverManager.GetApplicationHostConfiguration();
string effectiveConfigurationPath = configPath.GetEffectiveConfigurationPath(ManagementScope.Server);
ConfigurationSection section = applicationHostConfiguration.GetSection(sectionName, type, effectiveConfigurationPath);
if (section == null)
{
throw new NullReferenceException("ConfigurationError");
}
return section;
}
public static FtpSite GetFtpSite(ManagementConfigurationPath configPath, ServerManager serverManager)
{
FtpSite ftpSiteDefaultElement = null;
if (configPath.PathType == ConfigurationPathType.Server)
{
ftpSiteDefaultElement = GetFtpSiteDefaultElement(serverManager.SiteDefaults);
}
else
{
Site site = serverManager.Sites[configPath.SiteName];
if (site == null)
{
WebManagementServiceException exception = new WebManagementServiceException("GetSettingsExceptionError", string.Empty);
throw exception;
}
if (!IsFtpSite(site))
{
WebManagementServiceException exception2 = new WebManagementServiceException("SiteIsNotFtpSiteExceptionError", string.Empty);
throw exception2;
}
ftpSiteDefaultElement = GetFtpSiteElement(site);
}
if (ftpSiteDefaultElement == null)
{
WebManagementServiceException exception3 = new WebManagementServiceException("GetSettingsExceptionError", string.Empty);
throw exception3;
}
return ftpSiteDefaultElement;
}
public static FtpSite GetFtpSiteDefaultElement(SiteDefaults siteDefaults)
{
return (FtpSite) siteDefaults.GetChildElement("ftpServer", typeof(FtpSite));
}
public static FtpSite GetFtpSiteElement(Site site)
{
return (FtpSite) site.GetChildElement("ftpServer", typeof(FtpSite));
}
public static bool IsFtpSite(Site site)
{
foreach (Binding binding in site.Bindings)
{
if (string.Equals(binding.Protocol, "ftp", StringComparison.OrdinalIgnoreCase))
{
return true;
}
}
return false;
}
}
}