private IDictionary LoadRules(FileInfo f)
{
IDictionary dictionary = (IDictionary) new Hashtable();
FileStream fileStream = (FileStream)null;
try
{
fileStream = new FileStream(f.FullName, FileMode.Open, FileAccess.Read);
string str1;
while ((str1 = Owasp.Esapi.Esapi.Validator().SafeReadLine((Stream)fileStream, 500)) != null)
{
if (str1.Length > 0 && str1[0] != '#')
{
AccessController.Rule rule = new AccessController.Rule();
string[] strArray = str1.Split(new string[1]
{
"|"
}, StringSplitOptions.None);
rule.path = strArray[0].Trim().Replace("\\", "/");
rule.roles.Add((object)strArray[1].Trim().ToLower());
string str2 = strArray[2].Trim();
rule.allow = str2.ToUpper().Equals("allow".ToUpper());
if (dictionary.Contains((object)rule.path))
{
AccessController.logger.LogWarning(ILogger_Fields.SECURITY, "Problem in access control file. Duplicate rule ignored: " + (object)rule);
}
dictionary[(object)rule.path] = (object)rule;
}
}
return(dictionary);
}
catch (Exception ex)
{
AccessController.logger.LogWarning(ILogger_Fields.SECURITY, "Problem in access control file", ex);
}
finally
{
try
{
fileStream?.Close();
}
catch (IOException ex)
{
AccessController.logger.LogWarning(ILogger_Fields.SECURITY, "Failure closing access control file: " + (object)f, (Exception)ex);
}
}
return(dictionary);
}
private AccessController.Rule SearchForRule(IDictionary map, IList roles, string path)
{
string str1 = (string)null;
try
{
str1 = Owasp.Esapi.Esapi.Encoder().Canonicalize(path);
}
catch (EncodingException ex)
{
AccessController.logger.LogWarning(ILogger_Fields.SECURITY, "Failed to canonicalize input: " + path);
}
string str2 = str1;
while (str2.EndsWith("/"))
{
str2 = str2.Substring(0, str2.Length - 1);
}
if (str2.IndexOf("..") != -1)
{
throw new IntrusionException("Attempt to manipulate access control path", "Attempt to manipulate access control path: " + path);
}
string str3 = "";
int num = str2.LastIndexOf(".");
if (num != -1)
{
str3 = str2.Substring(num + 1);
}
AccessController.Rule rule = ((AccessController.Rule)map[(object)str2] ?? (AccessController.Rule)map[(object)(str2 + "/*")]) ?? (AccessController.Rule)map[(object)("*." + str3)];
if (rule != null && this.Overlap(rule.roles, roles))
{
return(rule);
}
if (!str2.Contains("/"))
{
return(this.deny);
}
string path1 = str2.Substring(0, str2.LastIndexOf('/'));
if (path1.Length <= 1)
{
return(this.deny);
}
return(this.SearchForRule(map, roles, path1));
}