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use std::path::PathBuf;
use anyhow::Result;
use ipfs_api_backend_hyper::IpfsApi;
use tokio::io::AsyncWriteExt;
use tokio::io::AsyncReadExt;
use crate::client::Client;
use crate::cid::Cid;
#[derive(Debug, serde::Serialize, serde::Deserialize)]
pub struct Profile {
key_name: String,
key_id: String,
}
impl Profile {
pub async fn create(name: &str, client: &Client) -> Result<Self> {
let key = client.ipfs.key_gen(name, ipfs_api_backend_hyper::KeyType::Ed25519, 64).await?;
Ok(Profile {
key_name: key.name,
key_id: key.id
})
}
pub fn config_path(name: &str) -> String {
format!("distrox-{}", name)
}
pub fn config_file_path(name: &str) -> Result<PathBuf> {
xdg::BaseDirectories::with_prefix("distrox")
.map_err(anyhow::Error::from)
.and_then(|dirs| {
let name = Self::config_path(name);
dirs.place_config_file(name)
.map_err(anyhow::Error::from)
})
}
/// Store the Profile on disk
pub async fn write_to_filesystem(&self) -> Result<()> {
let config_path = Self::config_file_path(&self.key_name)?;
let mut config_file = tokio::fs::OpenOptions::new()
.write(true)
.create(true)
.truncate(true)
.open(config_path)
.await?;
let config = serde_json::to_string(&self)?;
config_file.write_all(config.as_bytes()).await?;
config_file.sync_all().await?;
Ok(())
}
/// Load the Profile from disk and ensure the keys exist in IPFS
pub async fn load_from_filesystem(name: &str, client: &Client) -> Result<Option<Self>> {
let config_path = Self::config_file_path(name)?;
let file_reader = tokio::fs::OpenOptions::new()
.read(true)
.open(config_path)
.await
.map(tokio::io::BufReader::new)?;
Self::load_from_reader(file_reader, name, client).await
}
async fn load_from_reader<R: AsyncReadExt + std::marker::Unpin>(mut r: R, name: &str, client: &Client) -> Result<Option<Self>> {
let mut buf = String::new();
let _ = r.read_to_string(&mut buf).await?;
let config: Self = serde_json::from_str(&buf)?;
client.ipfs
.key_list()
.await?
.keys
.into_iter()
.find(|keypair| keypair.name == name)
.map(|_| Ok(config))
.transpose()
}
pub async fn publish(&self, client: &Client, cid: Cid) -> Result<()> {
let path = format!("/ipfs/{}", cid.as_ref());
let resolve = true;
let lifetime = Some("10m");
let ttl = None;
let publish_response = client.ipfs
.name_publish(&path, resolve, lifetime, ttl, Some(&self.key_name))
.await?;
log::debug!("Publish response = {{ name: {}, value: {} }}", publish_response.name, publish_response.value);
Ok(())
}
}
#[cfg(test)]
mod tests {
use super::*;
use crate::client::Client;
use crate::config::Config;
use crate::ipfs_client::IpfsClient;
use ipfs_api_backend_hyper::TryFromUri;
async fn mk_client() -> Client {
let ipfs = IpfsClient::from_str("http://localhost:5001").unwrap();
let config = Config::default();
Client::new(ipfs, config)
}
macro_rules! run_test {
($name:ident, $client:ident, $test:block) => {
$client.ipfs.key_rm($name).await;
{
$test
}
$client.ipfs.key_rm($name).await;
}
}
#[tokio::test]
async fn test_create_profile() {
let _ = env_logger::try_init();
let client = mk_client().await;
let name = "test_create_profile";
run_test!(name, client,
{
let p = Profile::create(name, &client).await;
assert!(p.is_ok());
}
);
}
}
|
