public static bool TryParse(string s, out SpfRecord value)
{
if (String.IsNullOrEmpty(s) || !s.StartsWith("v=spf1 "))
{
value = null;
return false;
}
string[] terms = s.Split(new char[] { ' ' }, StringSplitOptions.RemoveEmptyEntries);
value = new SpfRecord { Terms = new List<SpfTerm>() };
for (int i = 1; i < terms.Length; i++)
{
SpfTerm term;
if (SpfTerm.TryParse(terms[i], out term))
{
value.Terms.Add(term);
}
else
{
value = null;
return false;
}
}
return true;
}
private IEnumerable <Message> GetMessages(SpfRecord record)
{
List <Message> messages = new List <Message>();
if (record != null)
{
foreach (Term term in record?.Terms)
{
if (term is Include include)
{
if (include.Records?.Messages != null)
{
messages.AddRange(include.Records?.Messages);
}
List <SpfRecord> childRecords = include.Records?.Records;
List <Message> childMessages = new List <Message>();
if (childRecords != null && childRecords.Count > 0)
{
foreach (SpfRecord childRecord in childRecords)
{
IEnumerable <Message> childRecordMessages = GetMessages(childRecord);
if (childRecordMessages != null)
{
childMessages.AddRange(childRecordMessages);
}
}
}
messages.AddRange(childMessages);
}
}
}
return(messages);
}
public DomainSpfRecord(string domain, SpfRecord record)
{
Domain = domain;
Record = record;
}
