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path: root/crates/iam/src/main.rs
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mod api;
mod command;
mod util;

use crate::api::ValidationMethod;
use anyhow::bail;
use api::{
    AdminAction, Args, CliError, Command, CreateObject, DevObject, GetObject, UpdateObject,
    ValidateObject,
};

use clap::Parser;
use command::dev_oauth2_listen;
use env_logger::Env;
use secd::{CredentialType, Secd};
use time::OffsetDateTime;
use util::Result;

const CONFIG_DIR_NAME: &str = "secdiam";
const CONFIG_PROFILE_FILE: &str = "profiles.toml";
const CONFIG_LOGIN_TEMPLATE: &str = "default_login.html";
const CONFIG_SIGNUP_TEMPLATE: &str = "default_signup.html";
const ISSUE_TRACKER_LOC: &str = "https://www.github.com/secdiam/iam";

#[tokio::main]
async fn main() {
    env_logger::init_from_env(Env::default().default_filter_or("debug"));
    match exec().await {
        Ok(Some(s)) => println!("{}", s),
        Err(e) => {
            println!("{}", e);
            std::process::exit(1);
        }
        _ => {}
    }
}

async fn exec() -> Result<Option<String>> {
    let args = Args::parse();
    Ok(match args.command {
        Command::Admin {
            action: AdminAction::Init { interactive },
        } => {
            command::admin_init(interactive)
                .await
                .map_err(|_| CliError::AdminInitializationError)?;
            None
        }

        rest @ _ => {
            // let cfg = util::read_config(args.profile).map_err(|_| CliError::InvalidProfile)?;
            let secd = Secd::init(None, None)
                .await
                .map_err(|e| CliError::SecdInitializationFailure(e.to_string()))?;

            match rest {
                Command::Admin { action } => admin(&secd, action).await?,
                Command::Create { object } => create(&secd, object).await?,
                Command::Dev { object } => dev(object).await?,
                Command::Get { object } => get(&secd, object).await?,
                Command::Repl => {
                    unimplemented!()
                }
                Command::Update { object } => update(&secd, object).await?,
                Command::Validate { object } => validate(&secd, object).await?,
            }
        }
    })
}

async fn admin(secd: &Secd, cmd: AdminAction) -> Result<Option<String>> {
    Ok(match cmd {
        AdminAction::Backend { action } => {
            println!("do backend stuff!");
            None
        }
        AdminAction::Create { object } => todo!(),
        AdminAction::Seal => {
            println!("do seal");
            None
        }
        AdminAction::Unseal { secret_key } => {
            println!("do unseal: {}", secret_key);
            None
        }
        AdminAction::Init { .. } => {
            panic!("Invariant violation: this path should be impossible")
        }
    })
}
async fn create(secd: &Secd, cmd: CreateObject) -> Result<Option<String>> {
    Ok(match cmd {
        CreateObject::Credential {
            method,
            identity_id,
        } => {
            let t = match &method {
                api::CredentialMethod::Passphrase {
                    username,
                    passphrase,
                } => CredentialType::Passphrase {
                    key: username.clone(),
                    value: passphrase.clone(),
                },
                api::CredentialMethod::ApiToken { .. } => CredentialType::new_api_token()?,
            };

            let expires_at = match method {
                api::CredentialMethod::ApiToken { expires_at, .. } => expires_at.map(|t| {
                    OffsetDateTime::from_unix_timestamp(t)
                        .expect("The provided value is an invalid unix timestamp")
                }),
                api::CredentialMethod::Passphrase { .. } => None,
            };

            let credential = secd.create_credential(t, identity_id, expires_at).await?;
            Some(serde_json::ser::to_string_pretty(&credential)?.to_string())
        }
        CreateObject::Validation {
            method,
            identity_id,
        } => match method {
            ValidationMethod::Email { address } => {
                let validation = secd.validate_email(&address, identity_id).await?;

                Some(serde_json::ser::to_string_pretty(&validation)?.to_string())
            }
            _ => unimplemented!(),
        },
        CreateObject::ValidationCompletion {
            validation_id,
            token,
            code,
        } => {
            if token.is_none() && code.is_none() {
                bail!("A token or code must be specified")
            }
            let session = secd
                .complete_address_validation(&validation_id, token, code)
                .await?;
            Some(serde_json::ser::to_string_pretty(&session)?.to_string())
        }
    })
}

async fn dev(cmd: DevObject) -> Result<Option<String>> {
    Ok(match cmd {
        DevObject::Oauth2Server { port } => serde_json::to_string(&dev_oauth2_listen(port)?).ok(),
    })
}

async fn get(secd: &Secd, cmd: GetObject) -> Result<Option<String>> {
    Ok(match cmd {
        GetObject::Identity {
            identity_id,

            credential,
        } => {
            let t = credential.map(|cred| match cred {
                ValidateObject::ApiToken { token } => {
                    CredentialType::api_token_from_str(&token).expect("failed to build api token")
                }
                ValidateObject::Passphrase {
                    username,
                    passphrase,
                } => CredentialType::Passphrase {
                    key: username,
                    value: passphrase,
                },
                ValidateObject::Session { token } => {
                    CredentialType::session_from_str(&token).expect("failed to build session")
                }
            });

            Some(
                serde_json::ser::to_string_pretty(&secd.get_identity(identity_id, t).await?)?
                    .to_string(),
            )
        }
    })
}

async fn update(secd: &Secd, cmd: UpdateObject) -> Result<Option<String>> {
    Ok(match cmd {
        UpdateObject::Identity { id, metadata } => {
            let identity = if metadata.is_some() {
                secd.update_identity_metadata(id, metadata.unwrap()).await?
            } else {
                secd.get_identity(Some(id), None).await?
            };

            Some(serde_json::to_string(&identity)?.to_string())
        }
        UpdateObject::Credential { id, revoke } => {
            if revoke {
                secd.revoke_credential(id).await?;
            }

            Some("Ok".to_string())
        }
    })
}

async fn validate(secd: &Secd, cmd: ValidateObject) -> Result<Option<String>> {
    let credential = match cmd {
        ValidateObject::ApiToken { token } => {
            secd.validate_credential(CredentialType::api_token_from_str(&token)?)
                .await?
        }
        ValidateObject::Passphrase {
            username,
            passphrase,
        } => {
            secd.validate_credential(CredentialType::Passphrase {
                key: username,
                value: passphrase,
            })
            .await?
        }
        ValidateObject::Session { token } => {
            secd.validate_credential(CredentialType::session_from_str(&token)?)
                .await?
        }
    };

    Ok(Some(serde_json::to_string_pretty(&credential)?.to_string()))
}