168 lines
5.3 KiB
Rust
168 lines
5.3 KiB
Rust
use clap::Parser;
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use std::collections::HashMap;
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use std::error::Error;
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#[macro_use]
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extern crate rocket;
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use reqwest::StatusCode;
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use rocket::response::content::RawHtml;
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use rocket::serde::json::Json;
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mod cohost_account;
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mod cohost_posts;
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mod syndication;
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mod webfinger;
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use cohost_account::{CohostAccount, COHOST_ACCOUNT_API_URL};
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use cohost_posts::{cohost_posts_api_url, CohostPostsPage};
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use webfinger::CohostWebfingerResource;
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#[derive(Parser, Debug)]
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#[command(author, version, about, long_about = None)]
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struct Args {
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/// The base URL for the corobel instance
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#[clap(short, long, required = true)]
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domain: String,
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/// The base URL for the corobel instance
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#[clap(short, long, default_value_t = default_base_url() )]
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base_url: String,
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}
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fn default_base_url() -> String {
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"/".into()
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}
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static ARGS: once_cell::sync::Lazy<Args> = once_cell::sync::Lazy::new(|| Args::parse());
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#[get("/")]
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fn index() -> RawHtml<&'static str> {
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RawHtml(include_str!("../static/index.html"))
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}
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#[get("/<project>/feed.rss?<page>")]
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async fn syndication_rss_route(project: &str, page: Option<u64>) -> Option<String> {
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let page = page.unwrap_or(0);
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let project_url = format!("{}{}", COHOST_ACCOUNT_API_URL, project);
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let posts_url = cohost_posts_api_url(project, page);
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eprintln!("making request to {}", project_url);
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let project_data: CohostAccount = match reqwest::get(project_url).await {
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Ok(v) => match v.status() {
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StatusCode::OK => match v.json::<CohostAccount>().await {
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Ok(a) => a,
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Err(e) => {
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eprintln!("Couldn't deserialize Cohost project '{}': {:?}", project, e);
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return None;
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}
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},
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// TODO NORA: Handle possible redirects
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s => {
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eprintln!(
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"Didn't receive status code 200 for Cohost project '{}'; got {:?} instead.",
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project, s
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);
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return None;
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}
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},
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Err(e) => {
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eprintln!(
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"Error making request to Cohost for project '{}': {:?}",
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project, e
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);
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return None;
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}
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};
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eprintln!("making request to {}", posts_url);
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match reqwest::get(posts_url).await {
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Ok(v) => match v.status() {
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StatusCode::OK => match v.json::<CohostPostsPage>().await {
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Ok(page_data) => {
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return Some(
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syndication::channel_for_posts_page(project, page, project_data, page_data)
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.to_string(),
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);
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}
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Err(e) => {
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eprintln!(
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"Couldn't deserialize Cohost posts page for '{}': {:?}",
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project, e
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);
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}
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},
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// TODO NORA: Handle possible redirects
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s => {
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eprintln!("Didn't receive status code 200 for posts for Cohost project '{}'; got {:?} instead.", page, s);
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return None;
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}
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},
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Err(e) => {
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eprintln!(
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"Error making request to Cohost for posts for project '{}': {:?}",
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project, e
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);
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return None;
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}
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};
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None
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}
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#[get("/.well-known/webfinger?<params..>")]
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async fn webfinger_route(params: HashMap<String, String>) -> Option<Json<CohostWebfingerResource>> {
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if params.len() != 1 {
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eprintln!(
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"Too may or too few parameters. Expected 1, got {}",
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params.len()
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);
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return None;
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}
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if let Some(param) = params.iter().next() {
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let url = format!("{}{}", COHOST_ACCOUNT_API_URL, param.0);
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eprintln!("making request to {}", url);
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match reqwest::get(url).await {
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Ok(v) => {
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match v.status() {
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StatusCode::OK => match v.json::<CohostAccount>().await {
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Ok(_v) => {
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return Some(Json(CohostWebfingerResource::new(
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param.0.as_str(),
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&ARGS.domain,
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)));
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}
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Err(e) => {
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eprintln!("Couldn't deserialize Cohost project '{}': {:?}", param.0, e);
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}
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},
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// TODO NORA: Handle possible redirects
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s => {
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eprintln!("Didn't receive status code 200 for Cohost project '{}'; got {:?} instead.", param.0, s);
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return None;
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}
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}
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}
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Err(e) => {
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eprintln!(
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"Error making request to Cohost for project '{}': {:?}",
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param.0, e
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);
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return None;
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}
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};
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}
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None
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}
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#[rocket::main]
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async fn main() -> Result<(), Box<dyn Error>> {
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// Set up the global config
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once_cell::sync::Lazy::force(&ARGS);
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let _rocket = rocket::build()
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.mount(
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&ARGS.base_url,
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routes![index, webfinger_route, syndication_rss_route],
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)
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.ignite()
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.await?
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.launch()
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.await?;
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Ok(())
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}
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