51 lines
1.5 KiB
Rust
51 lines
1.5 KiB
Rust
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use remora_domain::{OpaqueId, StorageScope};
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use sha2::{Digest, Sha256};
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use crate::error::IdentityError;
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use crate::roles::DecodedRoles;
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/// Authenticated caller after token validation and role decoding.
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#[derive(Clone, Debug, Eq, PartialEq)]
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pub struct Principal {
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pub id: OpaqueId,
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pub issuer: String,
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pub subject: String,
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pub administrator: bool,
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pub scopes: Vec<StorageScope>,
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}
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/// OIDC identity pair before durable principal-id binding.
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#[derive(Clone, Debug, Eq, PartialEq)]
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pub struct ExternalIdentity {
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pub issuer: String,
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pub subject: String,
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pub roles: DecodedRoles,
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}
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impl Principal {
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pub fn from_external(id: OpaqueId, external: ExternalIdentity) -> Self {
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Self {
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id,
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issuer: external.issuer,
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subject: external.subject,
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administrator: external.roles.administrator,
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scopes: external.roles.scopes,
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}
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}
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}
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/// Deterministic stable principal id for one exact issuer+subject pair.
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pub fn principal_id_for(issuer: &str, subject: &str) -> Result<OpaqueId, IdentityError> {
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let mut hasher = Sha256::new();
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hasher.update(b"remora-principal-v1\0");
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hasher.update(issuer.as_bytes());
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hasher.update([0]);
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hasher.update(subject.as_bytes());
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let digest = hasher.finalize();
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let hex = digest
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.iter()
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.take(16)
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.map(|byte| format!("{byte:02x}"))
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.collect::<String>();
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OpaqueId::parse(format!("p{hex}")).map_err(Into::into)
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}
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