gitbutler/crates/gitbutler-user/tests/secret/users.rs

// use gitbutler_user::{credentials, credentials::count as count_secrets};
use std::path::{Path, PathBuf};

use gitbutler_user::User;
use serial_test::serial;
use tempfile::tempdir;

use crate::secret::{credentials, credentials::count as count_secrets};

/// Validate that secrets previously stored in plain-text are auto-migrated into the secrets store.
/// From there, data-structures for use by the frontend need to be 'enriched' with secrets before sending them,
/// or before using them.
#[test]
#[serial]
fn auto_migration_of_secrets_on_when_getting_and_setting_user() -> anyhow::Result<()> {
    for (name, has_github_token) in [("login-only.v1", false), ("with-github.v1", true)] {
        credentials::setup();
        let app_data = tempdir()?;

        let users = gitbutler_user::Controller::from_path(app_data.path());
        assert!(
            users.get_user()?.is_none(),
            "Users are bound to logins, so there is none by default"
        );
        assert_eq!(count_secrets(), 0, "no secret is associated with anything");

        let buf = std::fs::read(user_fixture(name))?;
        let user_json_path = app_data.path().join("user.json");
        std::fs::write(&user_json_path, &buf)?;

        let user = users.get_user()?.expect("previous v1 user was read");
        let expected_secrets = if has_github_token { 2 } else { 1 };
        assert_eq!(
            count_secrets(),
            expected_secrets,
            "it automatically entered the secrets to the secrets store after getting the existing user"
        );

        let assert_access_token_values = |user: &User| -> anyhow::Result<()> {
            assert_eq!(
                user.access_token()?.0,
                "aaaaaaaa-bbbb-cccc-dddd-eeeeeeeeeeee",
                "it can make the access token available"
            );
            if has_github_token {
                assert_eq!(
                    user.github_access_token()?.map(|s| s.0),
                    Some("gho_AAAAAAAAAAAAABBBBBBBBBBBBBBBCCCCCCCC".into()),
                    "it can make the access token available"
                );
            }
            Ok(())
        };
        assert_access_token_values(&user)?;

        let assert_no_secret_in_plain_text = || -> anyhow::Result<()> {
            let buf = std::fs::read(&user_json_path)?;
            let value: serde_json::Value = serde_json::from_slice(&buf)?;
            assert_eq!(
                value.get("access_token"),
                None,
                "access token wasn't written back (right after getting it)"
            );
            assert_eq!(
                value.get("github_access_token"),
                None,
                "access token wasn't written back"
            );
            Ok(())
        };
        assert_no_secret_in_plain_text()?;

        let user = users.get_user()?.expect("stored user can be read");
        assert_access_token_values(&user)?;

        users.delete_user()?;
        assert_eq!(
            count_secrets(),
            0,
            "deletion of a user automatically deletes its secretes"
        );
        assert!(
            !user_json_path.exists(),
            "it deletes the whole file, i.e. all associated user data"
        );

        users.set_user(&user)?;
        assert_eq!(
            count_secrets(),
            expected_secrets,
            "the in-memory users had its secrets cached, so they are picked up and stored officially. \
            This is important, as the frontend sends these initially"
        );
        assert_no_secret_in_plain_text()?;

        // forget all passwords
        credentials::setup();
        let user = users
            .get_user()?
            .expect("user still on disk and passwords are accessed lazily");
        assert!(
            user.access_token().is_err(),
            "this is critical - we have a user without access token, this fails early"
        );
        assert!(
            users.get_user()?.is_some(),
            "Client code needs to handle this case and delete the user, \
            otherwise it's there and errors forever"
        );
    }

    Ok(())
}

fn user_fixture(name: &str) -> PathBuf {
    let fixture = Path::new("tests/fixtures/users").join(name);
    assert!(
        fixture.exists(),
        "BUG: fixture at {fixture:?} ought to exist"
    );
    fixture
}