1abb8e3f36
Suggested-by: DanConwayDev <DanConwayDev@protonmail.com> Fixes: note1jwgfl095vuhduepxxpwhdqme0dnlhawzvcal0xnl0e6d82wx5jys5z92hj Signed-off-by: Awiteb <a@4rs.nl>
101 lines
3.6 KiB
Rust
101 lines
3.6 KiB
Rust
// n34 - A CLI to interact with NIP-34 and other stuff related to codes in nostr
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// Copyright (C) 2025 Awiteb <a@4rs.nl>
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//
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// This program is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with this program. If not, see <https://gnu.org/licenses/gpl-3.0.html>.
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use std::{fs, path::Path};
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use nostr::{
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Kind,
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nips::{
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self,
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nip01::Coordinate,
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nip19::{FromBech32, Nip19Coordinate},
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},
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};
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use tokio::runtime::Handle;
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use crate::error::{N34Error, N34Result};
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fn parse_nip5_repo(nip5: &str, repo_id: &str) -> Result<Nip19Coordinate, String> {
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let (username, domain) = nip5.split_once("@").unwrap_or(("_", nip5));
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let nip5_profile = tokio::task::block_in_place(|| {
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Handle::current().block_on(async {
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nips::nip05::profile(format!("{username}@{domain}"), None)
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.await
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.map_err(|err| err.to_string())
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})
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})?;
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Ok(Nip19Coordinate::new(
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Coordinate::new(Kind::GitRepoAnnouncement, nip5_profile.public_key).identifier(repo_id),
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nip5_profile.relays,
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)
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.expect("The relays is `RelayUrl`"))
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}
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fn parse_repo_naddr(repo_naddr: &str) -> Result<Nip19Coordinate, String> {
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let naddr = Nip19Coordinate::from_bech32(repo_naddr).map_err(|err| err.to_string())?;
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if naddr.relays.is_empty() {
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tracing::warn!("The repository naddr does not contain any relay hints");
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}
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(naddr.kind == Kind::GitRepoAnnouncement)
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.then_some(naddr)
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.ok_or_else(|| "Invalid naddr: must be of kind 30617 (GitRepoAnnouncement)".to_owned())
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}
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/// Parses a nostr-address file into a NIP-19 coordinates. Expects the file to
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/// contain a repository announcements.
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pub fn parse_nostr_address_file(file_path: &Path) -> N34Result<Vec<Nip19Coordinate>> {
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let addresses = fs::read_to_string(file_path)
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.map_err(N34Error::CanNotReadNostrAddressFile)?
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.split("\n")
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.filter_map(|line| {
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(!line.starts_with("#") && !line.trim().is_empty())
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.then_some(parse_repo_naddr(line).map_err(N34Error::InvalidNostrAddressFileContent))
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})
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.collect::<N34Result<Vec<Nip19Coordinate>>>()?;
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if addresses.is_empty() {
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return Err(N34Error::EmptyNostrAddressFile);
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}
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Ok(addresses)
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}
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/// Parses a Git repository address which can be either:
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/// - A bech32-encoded naddr (e.g. "naddr1...") for Git repository announcements
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/// (kind 30617)
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/// - A NIP-05 identifier with repository ID (e.g. "4rs.nl/n34" or
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/// "_@4rs.nl/n34")
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///
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/// Returns an error for invalid formats, failed bech32 decoding, wrong event
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/// kind.
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pub fn repo_naddr(repo: &str) -> Result<Nip19Coordinate, String> {
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let repo = repo.trim().trim_start_matches("nostr:");
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if repo.contains("/") {
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let (nip5, repo_id) = repo.split_once("/").expect("There is a `/`");
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parse_nip5_repo(nip5, repo_id)
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} else if repo.starts_with("naddr1") {
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parse_repo_naddr(repo)
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} else {
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Err(
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"Invalid repository address format. It can be A NIP-05 identifier with repository ID \
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in format `<nip5>/<repo_id>` or A valid naddr1 string (NIP-19)"
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.to_owned(),
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)
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}
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}
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