1use std::{collections::BTreeMap, fmt, sync::Arc, time::Duration};
2
3use aep_core::{
4 AssertionOperation, AuthenticationMethod, BuiltInGrantResponse, ClaimValues,
5 ClientAssertionClaims, Command, GrantType, HttpTransport, IdentityMethod, InspectDocument,
6 ProtectedResourceAuthorization, SigningAlgorithm,
7};
8use async_trait::async_trait;
9use http::HeaderMap;
10use serde_json::Value;
11use time::OffsetDateTime;
12use url::Url;
13
14use crate::AgentError;
15
16#[derive(Clone, Debug, PartialEq)]
17pub struct AgentIdentity {
18 pub agent_did: String,
19 pub identity_method: IdentityMethod,
20 pub service_did: String,
21 pub signing_algorithms: Vec<SigningAlgorithm>,
22 pub metadata: BTreeMap<String, String>,
23}
24
25#[derive(Clone, Debug, PartialEq)]
26pub struct IdentityRequest {
27 pub inspection: Inspection,
28}
29
30#[async_trait]
31pub trait AssertionSigner: Send + Sync {
32 async fn sign(
33 &self,
34 claims: &ClientAssertionClaims,
35 algorithms: &[SigningAlgorithm],
36 ) -> Result<String, AgentError>;
37}
38
39#[async_trait]
40pub trait IdentityProvider: Send + Sync {
41 async fn get_or_create_identity(
42 &self,
43 request: IdentityRequest,
44 ) -> Result<AgentIdentity, AgentError>;
45 async fn signer_for(
46 &self,
47 identity: &AgentIdentity,
48 ) -> Result<Arc<dyn AssertionSigner>, AgentError>;
49}
50
51#[derive(Clone, Debug, Eq, PartialEq)]
52pub struct OperationKey {
53 pub command: Command,
54 pub credential_id: Option<String>,
55 pub grant_type: Option<GrantType>,
56 pub service_did: String,
57 pub service_url: Url,
58}
59
60#[async_trait]
61pub trait IdempotencyKeyProvider: Send + Sync {
62 async fn create_key(&self, operation: &OperationKey) -> Result<String, AgentError>;
63}
64
65pub trait Clock: Send + Sync {
66 fn now(&self) -> OffsetDateTime;
67}
68
69#[async_trait]
70pub trait Delay: Send + Sync {
71 async fn sleep(&self, duration: Duration);
72}
73
74#[derive(Clone, PartialEq)]
75pub struct CredentialRecord {
76 pub credential_id: String,
77 pub expires_at: OffsetDateTime,
78 pub grant_type: GrantType,
79 pub issued_at: OffsetDateTime,
80 pub payload: Value,
81 pub service_did: String,
82 pub service_url: Url,
83}
84
85impl fmt::Debug for CredentialRecord {
86 fn fmt(&self, formatter: &mut fmt::Formatter<'_>) -> fmt::Result {
87 formatter
88 .debug_struct("CredentialRecord")
89 .field("credential_id", &self.credential_id)
90 .field("expires_at", &self.expires_at)
91 .field("grant_type", &self.grant_type)
92 .field("issued_at", &self.issued_at)
93 .field("payload", &"[REDACTED]")
94 .field("service_did", &self.service_did)
95 .field("service_url", &"[REDACTED]")
96 .finish()
97 }
98}
99
100#[derive(Clone, Debug, PartialEq)]
101pub struct Inspection {
102 pub cache_control: Option<String>,
103 pub document: InspectDocument,
104 pub etag: Option<String>,
105 pub final_url: Url,
106 pub inspect_url: Url,
107 pub last_modified: Option<String>,
108 pub service_url: Url,
109}
110
111impl Inspection {
112 pub fn command_url(&self, command: &Command) -> Result<Url, AgentError> {
113 let path = aep_core::command_path_from_inspect(&self.document, command)?;
114 Ok(self.service_url.join(&path)?)
115 }
116}
117
118#[derive(Clone, Debug, PartialEq)]
119pub struct InspectCacheEntry {
120 pub cache_control: Option<String>,
121 pub cached_at: OffsetDateTime,
122 pub document: InspectDocument,
123 pub etag: Option<String>,
124 pub final_url: Url,
125 pub last_modified: Option<String>,
126}
127
128#[async_trait]
129pub trait IdentityStore: Send + Sync {
130 async fn find(&self, service_did: &str) -> Result<Option<AgentIdentity>, AgentError>;
131 async fn save(&self, identity: AgentIdentity) -> Result<(), AgentError>;
132}
133
134#[async_trait]
135pub trait CredentialStore: Send + Sync {
136 async fn delete(&self, service_did: &str, credential_id: &str) -> Result<(), AgentError>;
137 async fn find(
138 &self,
139 service_did: &str,
140 credential_id: &str,
141 ) -> Result<Option<CredentialRecord>, AgentError>;
142 async fn list(&self, service_did: &str) -> Result<Vec<CredentialRecord>, AgentError>;
143 async fn save(&self, credential: CredentialRecord) -> Result<(), AgentError>;
144}
145
146#[async_trait]
147pub trait InspectCache: Send + Sync {
148 async fn delete(&self, inspect_url: &Url) -> Result<(), AgentError>;
149 async fn find(&self, inspect_url: &Url) -> Result<Option<InspectCacheEntry>, AgentError>;
150 async fn save(&self, inspect_url: &Url, entry: InspectCacheEntry) -> Result<(), AgentError>;
151}
152
153#[derive(Clone)]
154pub struct ClientOptions {
155 pub allow_insecure_loopback: bool,
156 pub assertion_lifetime: Duration,
157 pub clock: Option<Arc<dyn Clock>>,
158 pub command_transport: Option<Arc<dyn HttpTransport>>,
159 pub credential_store: Option<Arc<dyn CredentialStore>>,
160 pub delay: Option<Arc<dyn Delay>>,
161 pub identity_provider: Arc<dyn IdentityProvider>,
162 pub identity_store: Option<Arc<dyn IdentityStore>>,
163 pub idempotency_keys: Option<Arc<dyn IdempotencyKeyProvider>>,
164 pub inspect_cache: Option<Arc<dyn InspectCache>>,
165 pub inspect_transport: Option<Arc<dyn HttpTransport>>,
166 pub maximum_response_bytes: usize,
167 pub request_timeout: Duration,
168}
169
170impl ClientOptions {
171 pub fn new(identity_provider: Arc<dyn IdentityProvider>) -> Self {
172 Self {
173 allow_insecure_loopback: false,
174 assertion_lifetime: aep_core::MAX_ASSERTION_LIFETIME,
175 clock: None,
176 command_transport: None,
177 credential_store: None,
178 delay: None,
179 identity_provider,
180 identity_store: None,
181 idempotency_keys: None,
182 inspect_cache: None,
183 inspect_transport: None,
184 maximum_response_bytes: 1 << 20,
185 request_timeout: Duration::from_secs(30),
186 }
187 }
188}
189
190#[derive(Clone, Debug, PartialEq)]
191pub struct CommandResult<T> {
192 pub body: T,
193 pub status: u16,
194 pub url: Url,
195}
196
197#[derive(Clone, Debug, Default, PartialEq)]
198pub struct EnrollOptions {
199 pub claims: Option<ClaimValues>,
200 pub idempotency_key: Option<String>,
201}
202
203#[derive(Clone, Debug, Default, Eq, PartialEq)]
204pub struct GrantOptions {
205 pub grant_type: Option<GrantType>,
206 pub idempotency_key: Option<String>,
207 pub preferred_grant_types: Vec<GrantType>,
208 pub requested_scopes: Vec<String>,
209}
210
211#[derive(Clone, PartialEq)]
212pub struct GrantResult {
213 pub credential: Option<BuiltInGrantResponse>,
214 pub grant_type: GrantType,
215 pub raw: Value,
216}
217
218impl fmt::Debug for GrantResult {
219 fn fmt(&self, formatter: &mut fmt::Formatter<'_>) -> fmt::Result {
220 formatter
221 .debug_struct("GrantResult")
222 .field("credential", &self.credential)
223 .field("grant_type", &self.grant_type)
224 .field("raw", &"[REDACTED]")
225 .finish()
226 }
227}
228
229#[derive(Clone, Debug, Default, Eq, PartialEq)]
230pub struct RevokeOptions {
231 pub all_grant_types: bool,
232 pub credential_id: Option<String>,
233 pub grant_type: Option<GrantType>,
234 pub idempotency_key: Option<String>,
235}
236
237#[derive(Clone, Copy, Debug, Eq, PartialEq)]
238pub struct WaitOptions {
239 pub interval: Duration,
240 pub timeout: Duration,
241}
242
243impl Default for WaitOptions {
244 fn default() -> Self {
245 Self {
246 interval: Duration::from_secs(1),
247 timeout: Duration::from_secs(30),
248 }
249 }
250}
251
252#[derive(Clone, PartialEq)]
253pub struct AuthenticationOptions {
254 pub carrier: aep_core::AuthorizationCarrier,
255 pub client_assertion_only: bool,
256 pub credential_id: Option<String>,
257 pub grant_type: Option<GrantType>,
258 pub resource: Url,
259}
260
261impl fmt::Debug for AuthenticationOptions {
262 fn fmt(&self, formatter: &mut fmt::Formatter<'_>) -> fmt::Result {
263 formatter
264 .debug_struct("AuthenticationOptions")
265 .field("carrier", &self.carrier)
266 .field("client_assertion_only", &self.client_assertion_only)
267 .field("credential_id", &self.credential_id)
268 .field("grant_type", &self.grant_type)
269 .field("resource", &"[REDACTED]")
270 .finish()
271 }
272}
273
274#[derive(Clone, PartialEq)]
275pub struct AuthenticationResult {
276 pub headers: HeaderMap,
277 pub method: AuthenticationMethod,
278}
279
280impl fmt::Debug for AuthenticationResult {
281 fn fmt(&self, formatter: &mut fmt::Formatter<'_>) -> fmt::Result {
282 formatter
283 .debug_struct("AuthenticationResult")
284 .field("headers", &"[REDACTED]")
285 .field("method", &self.method)
286 .finish()
287 }
288}
289
290pub(crate) fn assertion_operation(command: &Command) -> Option<AssertionOperation> {
291 match command {
292 Command::Enroll => Some(AssertionOperation::Enroll),
293 Command::Grant => Some(AssertionOperation::Grant),
294 Command::Revoke => Some(AssertionOperation::Revoke),
295 Command::Status => Some(AssertionOperation::Status),
296 Command::Inspect | Command::Other(_) => None,
297 }
298}
299
300pub(crate) fn authorization(
301 carrier: aep_core::AuthorizationCarrier,
302 scheme: aep_core::CredentialScheme,
303 credentials: String,
304) -> ProtectedResourceAuthorization {
305 ProtectedResourceAuthorization {
306 carrier,
307 scheme,
308 credentials,
309 }
310}