cognitox 0.1.1

AWS Cognito User Pools emulator for local development
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

//! ConfirmDevice API implementation
//!
//! <https://docs.aws.amazon.com/cognito-user-identity-pools/latest/APIReference/API_ConfirmDevice.html>

use chrono::Utc;
use serde::Deserialize;
use serde_json::{Value, json};

use crate::{
    error::{AppError, Result},
    storage::Storage,
    types::Device,
};

use super::helpers::verify_and_extract_user_id;

#[derive(Debug, Deserialize)]
#[serde(rename_all = "PascalCase")]
struct Request {
    access_token: String,
    device_key: String,
}

pub async fn handler(storage: &Storage, body: Value) -> Result<Value> {
    let req: Request = serde_json::from_value(body)
        .map_err(|e| AppError::InvalidParameter(format!("Invalid request: {}", e)))?;

    let user_id =
        verify_and_extract_user_id(&req.access_token).map_err(|_| AppError::InvalidAccessToken)?;

    storage
        .get_user(&user_id)
        .await
        .ok_or(AppError::UserNotFound)?;

    if req.device_key.trim().is_empty() {
        return Err(AppError::InvalidParameter(
            "DeviceKey must not be empty".to_string(),
        ));
    }

    let now = Utc::now();
    let device =
        if let Some(mut existing) = storage.get_device_for_user(&user_id, &req.device_key).await {
            existing.device_last_modified_date = now;
            existing.device_last_authenticated_date = now;
            existing
        } else {
            Device {
                user_id,
                device_key: req.device_key,
                device_attributes: vec![],
                device_create_date: now,
                device_last_modified_date: now,
                device_last_authenticated_date: now,
                device_remembered_status: Some("not_remembered".to_string()),
            }
        };
    storage.put_device(device).await;

    Ok(json!({
        "UserConfirmationNecessary": false
    }))
}

#[cfg(test)]
mod tests {
    use super::*;
    use crate::action::user::{initiate_auth, sign_up};
    use crate::action::user_pool::{create_user_pool, create_user_pool_client};
    use serde_json::json;

    async fn setup_and_get_token(storage: &Storage) -> String {
        let pool = create_user_pool::handler(storage, json!({"PoolName": "test"}))
            .await
            .unwrap();
        let pool_id = pool["UserPool"]["Id"].as_str().unwrap();

        let client = create_user_pool_client::handler(
            storage,
            json!({
                "UserPoolId": pool_id,
                "ClientName": "test-client"
            }),
        )
        .await
        .unwrap();
        let client_id = client["UserPoolClient"]["ClientId"].as_str().unwrap();

        let sign_up_result = sign_up::handler(
            storage,
            json!({
                "ClientId": client_id,
                "Username": "testuser",
                "Password": "Password123!"
            }),
        )
        .await
        .unwrap();

        let user_sub = sign_up_result["UserSub"].as_str().unwrap();
        let user_id = uuid::Uuid::parse_str(user_sub).unwrap();
        storage.confirm_user(&user_id).await;

        let auth_result = initiate_auth::handler(
            storage,
            json!({
                "ClientId": client_id,
                "AuthFlow": "USER_PASSWORD_AUTH",
                "AuthParameters": {
                    "USERNAME": "testuser",
                    "PASSWORD": "Password123!"
                }
            }),
        )
        .await
        .unwrap();

        auth_result["AuthenticationResult"]["AccessToken"]
            .as_str()
            .unwrap()
            .to_string()
    }

    #[tokio::test]
    async fn test_confirm_device_success() {
        let storage = Storage::new();
        let access_token = setup_and_get_token(&storage).await;

        let result = handler(
            &storage,
            json!({
                "AccessToken": access_token,
                "DeviceKey": "device-key"
            }),
        )
        .await;

        assert!(result.is_ok());
        assert_eq!(result.unwrap()["UserConfirmationNecessary"], false);
    }
}