105 lines
2.6 KiB
Rust
105 lines
2.6 KiB
Rust
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// Copyright 2015, 2016 Ethcore (UK) Ltd.
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// This file is part of Parity.
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// Parity 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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// Parity 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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// You should have received a copy of the GNU General Public License
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// along with Parity. If not, see <http://www.gnu.org/licenses/>.
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use rustc_serialize::hex::ToHex;
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use util::{Address, FromHex};
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const COMMIT_LEN: usize = 20;
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#[derive(Debug)]
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pub struct GithubApp {
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pub account: String,
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pub repo: String,
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pub commit: [u8;COMMIT_LEN],
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pub owner: Address,
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}
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impl GithubApp {
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pub fn url(&self) -> String {
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// format!("https://github.com/{}/{}/archive/{}.zip", self.account, self.repo, self.commit.to_hex())
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format!("http://github.todr.me/{}/{}/zip/{}", self.account, self.repo, self.commit.to_hex())
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}
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fn commit(bytes: &[u8]) -> Option<[u8;COMMIT_LEN]> {
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if bytes.len() < COMMIT_LEN {
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return None;
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}
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let mut commit = [0; COMMIT_LEN];
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for i in 0..COMMIT_LEN {
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commit[i] = bytes[i];
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}
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Some(commit)
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}
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}
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pub trait URLHint {
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fn resolve(&self, app_id: &str) -> Option<GithubApp>;
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}
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pub struct URLHintContract;
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impl URLHint for URLHintContract {
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fn resolve(&self, app_id: &str) -> Option<GithubApp> {
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// TODO [todr] use GithubHint contract to check the details
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// For now we are just accepting patterns: <commithash>.<repo>.<account>.parity
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let mut app_parts = app_id.split('.');
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let hash = app_parts.next()
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.and_then(|h| h.from_hex().ok())
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.and_then(|h| GithubApp::commit(&h));
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let repo = app_parts.next();
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let account = app_parts.next();
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match (hash, repo, account) {
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(Some(hash), Some(repo), Some(account)) => {
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Some(GithubApp {
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account: account.into(),
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repo: repo.into(),
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commit: hash,
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owner: Address::default(),
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})
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},
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_ => None,
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}
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}
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}
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#[cfg(test)]
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mod tests {
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use super::GithubApp;
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use util::Address;
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#[test]
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fn should_return_valid_url() {
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// given
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let app = GithubApp {
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account: "test".into(),
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repo: "xyz".into(),
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commit: [0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19],
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owner: Address::default(),
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};
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// when
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let url = app.url();
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// then
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assert_eq!(url, "http://github.todr.me/test/xyz/zip/000102030405060708090a0b0c0d0e0f10111213".to_owned());
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}
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}
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