codexia 1.0.3

OpenAI- and Anthropic-compatible local API gateway backed by Codex OAuth.
Documentation 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155

//! Account and rate-limit status client.

mod client;
mod model;
mod parse;

pub use client::StatusClient;
pub use model::{AccountStatus, RateLimitWindow, StatusSnapshot};

const ACCOUNT_CHECK_VERSION: &str = "v4-2023-04-27";

#[cfg(test)]
mod tests {
    use super::{
        ACCOUNT_CHECK_VERSION, StatusClient,
        parse::{backend_api_base_url, parse_account_status, parse_usage_status},
    };
    use crate::config::Credentials;
    use axum::{Json, Router, routing::get};
    use reqwest::Client;
    use serde_json::{Value, json};
    use tokio::net::TcpListener;

    fn sample_credentials() -> Credentials {
        Credentials {
            access_token: "access".into(),
            refresh_token: "refresh".into(),
            expires_at: 1,
            account_id: "acc_1".into(),
        }
    }

    #[test]
    fn strips_codex_suffix_from_base_url() {
        assert_eq!(
            backend_api_base_url("https://chatgpt.com/backend-api/codex/responses"),
            "https://chatgpt.com/backend-api"
        );
        assert_eq!(
            backend_api_base_url("https://chatgpt.com/backend-api/codex"),
            "https://chatgpt.com/backend-api"
        );
        assert_eq!(
            backend_api_base_url("https://chatgpt.com/backend-api"),
            "https://chatgpt.com/backend-api"
        );
    }

    #[test]
    fn parses_account_status() {
        let account = parse_account_status(&json!({
            "accounts": {
                "default": {
                    "account": {
                        "name": "Personal",
                        "structure": "personal"
                    },
                    "entitlement": {
                        "subscription_plan": "chatgptplus",
                        "has_active_subscription": true,
                        "expires_at": "2026-05-01T00:00:00Z"
                    }
                }
            }
        }))
        .unwrap();

        assert_eq!(account.plan.as_deref(), Some("chatgptplus"));
        assert_eq!(account.structure.as_deref(), Some("personal"));
        assert_eq!(account.email, None);
        assert_eq!(
            account.subscription_expires_at.as_deref(),
            Some("2026-05-01T00:00:00Z")
        );
    }

    #[test]
    fn parses_usage_status() {
        let usage = parse_usage_status(&json!({
            "email": "test@example.com",
            "plan_type": "pro",
            "rate_limit": {
                "primary_window": {
                    "used_percent": 12,
                    "reset_at": "2026-04-27T12:00:00Z"
                },
                "secondary_window": {
                    "remaining_percent": 94,
                    "reset_at": "2026-05-01T00:00:00Z"
                }
            },
            "credits": { "balance": "7.5" }
        }))
        .unwrap();

        assert_eq!(usage.account.unwrap().plan.as_deref(), Some("pro"));
        assert_eq!(usage.credits_balance, Some(7.5));
        assert_eq!(usage.rate_limits.len(), 2);
        assert!((usage.rate_limits[0].remaining_percent - 88.0).abs() < f64::EPSILON);
        assert!((usage.rate_limits[1].remaining_percent - 94.0).abs() < f64::EPSILON);
    }

    #[tokio::test]
    async fn fetches_partial_status_with_warnings() {
        async fn account_handler() -> Json<Value> {
            Json(json!({
                "accounts": {
                    "default": {
                        "account": { "structure": "personal" },
                        "entitlement": {
                            "subscription_plan": "chatgptplus",
                            "has_active_subscription": true
                        }
                    }
                }
            }))
        }

        async fn usage_handler() -> Json<Value> {
            Json(json!({
                "email": "test@example.com",
                "plan_type": "pro",
                "rate_limit": {
                    "primary_window": { "used_percent": 10 },
                    "secondary_window": { "remaining_percent": 90 }
                },
                "credits": { "balance": 1 }
            }))
        }

        let app = Router::new()
            .route(
                &format!("/accounts/check/{ACCOUNT_CHECK_VERSION}"),
                get(account_handler),
            )
            .route("/wham/usage", get(usage_handler));

        let listener = TcpListener::bind("127.0.0.1:0").await.unwrap();
        let base_url = format!("http://{}", listener.local_addr().unwrap());
        tokio::spawn(async move {
            axum::serve(listener, app).await.unwrap();
        });

        let client = StatusClient::new(Client::new(), base_url);
        let snapshot = client.fetch_status(&sample_credentials()).await;

        assert!(snapshot.warnings.is_empty());
        assert_eq!(
            snapshot.account.unwrap().plan.as_deref(),
            Some("chatgptplus")
        );
        assert_eq!(snapshot.rate_limits.len(), 2);
        assert_eq!(snapshot.credits_balance, Some(1.0));
    }
}