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Fix C# sample

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Andrew Koryavchenko 2017-10-23 00:20:57 +03:00
parent b1c04c5bad
commit 41ae31c0eb
1 changed files with 11 additions and 1 deletions
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README.md
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@ -103,10 +103,20 @@ private static readonly Lazy<HashSet<string>> _emailBlackList =
return result; return result;
}); });
private static bool IsBlacklisted(string domain)
{
var parts = domain.Split('.');
var len = parts.Length;
return
len == 1 && _emailBlackList.Value.Contains(domain)
|| _emailBlackList.Value.Contains($"{parts[len - 2]}.{parts[len - 1]}")
|| len > 2 && _emailBlackList.Value.Contains($"{parts[len - 3]}.{parts[len - 2]}.{parts[len - 1]}");
}
... ...
var addr = new MailAddress(email); var addr = new MailAddress(email);
if (_emailBlackList.Value.Contains(addr.Host))) if (IsBlacklisted(addr.Host)))
throw new ApplicationException("Email is blacklisted."); throw new ApplicationException("Email is blacklisted.");
``` ```