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use std::{str::FromStr, sync::Arc, time::Duration};
use anyhow::{bail, Context, Result};
use nostr::nips::nip46::NostrConnectURI;
use nostr_connect::client::NostrConnect;
use nostr_sdk::{NostrSigner, PublicKey};
use super::{
key_encryption::decrypt_key,
print_logged_in_as,
user::{get_user_details, UserRef},
SignerInfo, SignerInfoSource,
};
#[cfg(not(test))]
use crate::client::Client;
#[cfg(test)]
use crate::client::MockConnect;
use crate::{
cli_interactor::{Interactor, InteractorPrompt, PromptPasswordParms},
client::fetch_public_key,
git::{get_git_config_item, Repo, RepoActions},
};
/// load signer from git config and UserProfile from cache or relays
///
/// # Parameters
/// - `client`: include client to fetch profiles from relays that are missing
/// from cache
/// - `silent`: do not print outcome in termianl
pub async fn load_existing_login(
git_repo: &Option<&Repo>,
signer_info: &Option<SignerInfo>,
password: &Option<String>,
source: &Option<SignerInfoSource>,
#[cfg(test)] client: Option<&MockConnect>,
#[cfg(not(test))] client: Option<&Client>,
silent: bool,
prompt_for_password: bool,
) -> Result<(Arc<dyn NostrSigner>, UserRef, SignerInfoSource)> {
let (signer_info, source) = get_signer_info(git_repo, signer_info, password, source)?;
let (signer, public_key) = get_signer(&signer_info, prompt_for_password).await?;
let user_ref = get_user_details(
&public_key,
client,
if let Some(git_repo) = git_repo {
Some(git_repo.get_path()?)
} else {
None
},
silent,
)
.await?;
if !silent {
print_logged_in_as(&user_ref, client.is_none(), &source)?;
}
Ok((signer, user_ref, source))
}
/// priority order: cli arguments, local git config, global git config
fn get_signer_info(
git_repo: &Option<&Repo>,
signer_info: &Option<SignerInfo>,
password: &Option<String>,
source: &Option<SignerInfoSource>,
) -> Result<(SignerInfo, SignerInfoSource)> {
Ok(match source {
None => {
let mut result = None;
for source in if std::env::var("NGITTEST").is_ok() {
vec![
SignerInfoSource::CommandLineArguments,
SignerInfoSource::GitLocal,
]
} else {
vec![
SignerInfoSource::CommandLineArguments,
SignerInfoSource::GitLocal,
SignerInfoSource::GitGlobal,
]
} {
if let Ok(res) =
get_signer_info(git_repo, signer_info, password, &Some(source.clone()))
{
result = Some(res);
break;
}
}
result.context("failed to get or find signer info in cli arguments, local git config or global git config")?
}
Some(SignerInfoSource::CommandLineArguments) => {
if let Some(signer_info) = signer_info {
(signer_info.clone(), SignerInfoSource::CommandLineArguments)
} else {
bail!("failed to get signer from cli signer arguments because none were specified")
}
}
Some(SignerInfoSource::GitLocal) => {
let git_repo =
git_repo.context("failed to get local git config as no git_repo supplied")?;
if let Ok(nsec) = get_git_config_item(&Some(git_repo), "nostr.nsec")
.context("failed get local git config")?
.context("git local config item nostr.nsec doesn't exist")
{
(
SignerInfo::Nsec {
nsec: nsec.to_string(),
password: password.clone(),
npub: get_git_config_item(&Some(git_repo), "nostr.npub")
.context("failed get local git config")?,
},
SignerInfoSource::GitLocal,
)
} else if let Ok(bunker_uri) = get_git_config_item(&Some(git_repo), "nostr.bunker-uri")
.context("failed get local git config")?
.context("git local config item nostr.bunker-uri doesn't exist")
{
(SignerInfo::Bunker {
bunker_uri, bunker_app_key: get_git_config_item(&Some(git_repo), "nostr.bunker-app-key")
.context("failed get local git config")?
.context("git local config item nostr.bunker-uri exists but nostr.bunker-app-key doesn't")?,
npub: get_git_config_item(&Some(git_repo), "nostr.npub")
.context("failed get local git config")?,
}, SignerInfoSource::GitLocal)
} else {
bail!("no signer info in local git config")
}
}
Some(SignerInfoSource::GitGlobal) => {
if let Some(nsec) = get_git_config_item(&None, "nostr.nsec")
.context("failed to get global git config")?
{
(
SignerInfo::Nsec {
nsec: nsec.to_string(),
password: password.clone(),
npub: get_git_config_item(&None, "nostr.npub")
.context("failed to get global git config")?,
},
SignerInfoSource::GitGlobal,
)
} else if let Some(bunker_uri) = get_git_config_item(&None, "nostr.bunker-uri")
.context("failed to get global git config")?
{
(SignerInfo::Bunker {
bunker_uri, bunker_app_key: get_git_config_item(&None, "nostr.bunker-app-key")
.context("failed get local git config")?
.context("git global config item nostr.bunker-uri exists but nostr.bunker-app-key doesn't")?,
npub: get_git_config_item(&None, "nostr.npub")
.context("failed get global git config")?,
}, SignerInfoSource::GitGlobal)
} else {
bail!("no signer info in global git config")
}
}
})
}
async fn get_signer(
signer_info: &SignerInfo,
prompt_for_ncryptsec_password: bool,
) -> Result<(Arc<dyn NostrSigner>, PublicKey)> {
match signer_info {
SignerInfo::Nsec {
nsec,
password,
npub: _,
} => {
let keys = if nsec.contains("ncryptsec") {
// TODO get user details from npub
// TODO add retry loop
// TODO in retry loop give option to login again
let password = if let Some(password) = password {
password.clone()
} else {
if !prompt_for_ncryptsec_password {
bail!(
"failed to login without prompts a nsec is encrypted with a password"
);
}
Interactor::default()
.password(PromptPasswordParms::default().with_prompt("password"))
.context("failed to get password input from interactor.password")?
};
decrypt_key(nsec, password.clone().as_str())
.context("failed to decrypt key with provided password")
.context("failed to decrypt ncryptsec supplied as nsec with password")?
} else {
nostr::Keys::from_str(nsec).context("invalid nsec parameter")?
};
let public_key = keys.public_key();
Ok((Arc::new(keys), public_key))
}
SignerInfo::Bunker {
bunker_uri,
bunker_app_key,
npub,
} => {
let term = console::Term::stderr();
term.write_line("connecting to remote signer...")?;
let uri = NostrConnectURI::parse(bunker_uri)?;
let signer: Arc<dyn NostrSigner> = Arc::new(NostrConnect::new(
uri,
nostr::Keys::from_str(bunker_app_key).context("invalid app key")?,
Duration::from_secs(10 * 60),
None,
)?);
term.clear_last_lines(1)?;
let public_key = if let Some(pubic_key) =
npub.clone().and_then(|npub| PublicKey::parse(npub).ok())
{
pubic_key
} else {
fetch_public_key(&signer).await?
};
Ok((signer, public_key))
}
}
}
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