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//! AdminClient operation group: scram.
use tracing::{info, warn};
use crate::error::{KrafkaError, ProtocolErrorKind, Result};
use crate::protocol::{
AlterUserScramCredentialsRequest, AlterUserScramCredentialsResponse, ApiKey,
DescribeUserScramCredentialsRequest, DescribeUserScramCredentialsResponse,
ScramCredentialDeletion, ScramCredentialUpsertion, VersionedDecode, VersionedEncode, versions,
};
#[allow(clippy::wildcard_imports)]
use super::*;
impl AdminClient {
/// Describe SCRAM credentials for the specified users.
///
/// When `users` is `None`, all SCRAM credentials are described.
///
/// # Example
///
/// ```ignore
/// // Describe all SCRAM credentials
/// let results = admin.describe_user_scram_credentials(None).await?;
/// for user in &results {
/// println!("{}: {:?}", user.name, user.credential_infos);
/// }
/// ```
pub async fn describe_user_scram_credentials(
&self,
users: Option<Vec<String>>,
) -> Result<DescribeUserScramCredentialsResult> {
let conn = self.get_any_broker_connection().await?;
let request = DescribeUserScramCredentialsRequest { users };
let version = conn
.negotiate_api_version(
ApiKey::DescribeUserScramCredentials,
versions::DESCRIBE_USER_SCRAM_CREDENTIALS_MAX,
versions::DESCRIBE_USER_SCRAM_CREDENTIALS_MIN,
)
.await
.ok_or_else(|| {
KrafkaError::protocol_kind(
ProtocolErrorKind::UnknownApiVersion,
"no mutually supported DescribeUserScramCredentials API version",
)
})?;
let response_bytes = conn
.send_request(ApiKey::DescribeUserScramCredentials, version, |buf| {
request.encode_versioned(version, buf)
})
.await?;
let mut buf = response_bytes;
let response = DescribeUserScramCredentialsResponse::decode_versioned(version, &mut buf)?;
if !response.error_code.is_ok() {
warn!(
"DescribeUserScramCredentials top-level error: {:?} — {}",
response.error_code,
response.error_message.as_deref().unwrap_or("(no message)")
);
}
let users = response
.results
.into_iter()
.map(|r| ScramCredentialUserResult {
name: r.user,
error: if r.error_code.is_ok() {
None
} else {
r.error_message
.or_else(|| Some(format!("{:?}", r.error_code)))
},
credential_infos: r
.credential_infos
.into_iter()
.map(|c| ScramCredentialInfoResult {
mechanism: c.mechanism,
iterations: c.iterations,
})
.collect(),
})
.collect::<Vec<_>>();
info!(
"DescribeUserScramCredentials returned {} user(s)",
users.len()
);
Ok(DescribeUserScramCredentialsResult {
error: if response.error_code.is_ok() {
None
} else {
response
.error_message
.or_else(|| Some(format!("{:?}", response.error_code)))
},
users,
})
}
// ════════════════════════════════════════════════════════════════════
// AlterUserScramCredentials (API key 51)
// ════════════════════════════════════════════════════════════════════
/// Alter (upsert or delete) SCRAM credentials for users.
///
/// **This is a destructive operation** — deleting a SCRAM credential
/// removes the user's ability to authenticate with that mechanism.
///
/// # Example
///
/// ```ignore
/// use krafka::protocol::{ScramCredentialDeletion, ScramCredentialUpsertion};
/// use krafka::auth::ScramMechanism;
/// use zeroize::Zeroizing;
///
/// let results = admin.alter_user_scram_credentials(
/// vec![ScramCredentialDeletion {
/// name: "alice".into(),
/// mechanism: ScramMechanism::Sha512,
/// }],
/// vec![ScramCredentialUpsertion {
/// name: "bob".into(),
/// mechanism: ScramMechanism::Sha256,
/// iterations: 8192,
/// salt: Zeroizing::new(vec![1, 2, 3]),
/// salted_password: Zeroizing::new(vec![4, 5, 6]),
/// }],
/// ).await?;
/// ```
pub async fn alter_user_scram_credentials(
&self,
deletions: Vec<ScramCredentialDeletion>,
upsertions: Vec<ScramCredentialUpsertion>,
) -> Result<Vec<AlterScramCredentialResult>> {
let conn = self.get_any_broker_connection().await?;
let request = AlterUserScramCredentialsRequest {
deletions,
upsertions,
};
let version = conn
.negotiate_api_version(
ApiKey::AlterUserScramCredentials,
versions::ALTER_USER_SCRAM_CREDENTIALS_MAX,
versions::ALTER_USER_SCRAM_CREDENTIALS_MIN,
)
.await
.ok_or_else(|| {
KrafkaError::protocol_kind(
ProtocolErrorKind::UnknownApiVersion,
"no mutually supported AlterUserScramCredentials API version",
)
})?;
let response_bytes = conn
.send_request(ApiKey::AlterUserScramCredentials, version, |buf| {
request.encode_versioned(version, buf)
})
.await?;
let mut buf = response_bytes;
let response = AlterUserScramCredentialsResponse::decode_versioned(version, &mut buf)?;
let results = response
.results
.into_iter()
.map(|r| AlterScramCredentialResult {
user: r.user,
error: if r.error_code.is_ok() {
None
} else {
r.error_message
.or_else(|| Some(format!("{:?}", r.error_code)))
},
})
.collect::<Vec<_>>();
info!(
"AlterUserScramCredentials completed for {} user(s)",
results.len()
);
Ok(results)
}
// ════════════════════════════════════════════════════════════════════
// DescribeProducers (API key 61)
// ════════════════════════════════════════════════════════════════════
}