systemprompt_api/routes/oauth/endpoints/token/
validation.rs

1//! Token-endpoint request validation.
2//!
3//! Copyright (c) systemprompt.io — Business Source License 1.1.
4//! See <https://systemprompt.io> for licensing details.
5
6use super::{TokenError, TokenResult};
7use anyhow::Result;
8use systemprompt_identifiers::{AuthorizationCode, ClientId};
9use systemprompt_oauth::repository::{AuthCodeValidationResult, OAuthRepository};
10use systemprompt_oauth::services::validation::validate_client_credentials as validate_client_credentials_shared;
11
12pub fn extract_required_field<'a>(
13    field: Option<&'a str>,
14    field_name: &str,
15) -> TokenResult<&'a str> {
16    field.ok_or_else(|| TokenError::InvalidRequest {
17        field: field_name.to_owned(),
18        message: "is required".to_owned(),
19    })
20}
21
22pub async fn validate_client_credentials(
23    repo: &OAuthRepository,
24    client_id: &ClientId,
25    client_secret: Option<&str>,
26) -> Result<()> {
27    validate_client_credentials_shared(repo, client_id, client_secret)
28        .await
29        .map_err(Into::into)
30}
31
32#[derive(Debug)]
33pub struct AuthCodeValidationParams<'a> {
34    pub repo: &'a OAuthRepository,
35    pub code: &'a AuthorizationCode,
36    pub client_id: &'a ClientId,
37    pub redirect_uri: Option<&'a str>,
38    pub code_verifier: Option<&'a str>,
39    pub request_resource: Option<&'a str>,
40}
41
42pub async fn validate_authorization_code(
43    params: AuthCodeValidationParams<'_>,
44) -> Result<AuthCodeValidationResult> {
45    let result = params
46        .repo
47        .validate_authorization_code(
48            params.code,
49            params.client_id,
50            params.redirect_uri,
51            params.code_verifier,
52        )
53        .await?;
54
55    if let Some(req_resource) = params.request_resource
56        && let Some(ref stored_resource) = result.resource
57        && req_resource != stored_resource
58    {
59        return Err(anyhow::anyhow!(
60            "Resource parameter mismatch: expected '{}', got '{}'",
61            stored_resource,
62            req_resource
63        ));
64    }
65
66    Ok(result)
67}
systemprompt_api/routes/oauth/endpoints/token/validation.rs

systemprompt_api/routes/oauth/endpoints/token/
validation.rs
