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use super::kerberos_string::KerberosString;
use crate::error::KrbError;
use der::Sequence;
use std::str::FromStr;
/// ```text
/// PrincipalName ::= SEQUENCE {
/// name-type [0] Int32,
/// name-string [1] SEQUENCE OF KerberosString
/// }
/// ````
#[derive(Debug, Eq, PartialEq, Sequence)]
pub(crate) struct PrincipalName {
#[asn1(context_specific = "0")]
// This field specifies the type of name that follows. Pre-defined
// values for this field are specified in Section 6.2. The name-type
// SHOULD be treated as a hint. Ignoring the name type, no two names
// can be the same (i.e., at least one of the components, or the
// realm, must be different).
pub(crate) name_type: i32,
#[asn1(context_specific = "1")]
// This field encodes a sequence of components that form a name, each
// component encoded as a KerberosString. Taken together, a
// PrincipalName and a Realm form a principal identifier. Most
// PrincipalNames will have only a few components (typically one or
// two).
pub(crate) name_string: Vec<KerberosString>,
}
impl From<PrincipalName> for String {
fn from(value: PrincipalName) -> Self {
let v: Vec<&str> = value.name_string.iter().map(|x| x.as_ref()).collect();
v.join("/")
}
}
impl<T> TryFrom<(i32, T)> for PrincipalName
where
T: AsRef<str>,
{
type Error = KrbError;
fn try_from((name_type, name_str): (i32, T)) -> Result<Self, Self::Error> {
let name_string = name_str
.as_ref()
.split("/")
.map(KerberosString::from_str)
.collect::<Result<Vec<_>, _>>()?;
Ok(Self {
name_type,
name_string,
})
}
}