// CRATES
use crate::client::json;
use crate::server::RequestExt;
use crate::utils::{error, filter_posts, format_url, get_filters, nsfw_landing, param, setting, template, Post, Preferences, User};
use crate::{config, utils};
use askama::Template;
use hyper::{Body, Request, Response};
use time::{macros::format_description, OffsetDateTime};
// STRUCTS
#[derive(Template)]
#[template(path = "user.html")]
struct UserTemplate {
user: User,
posts: Vec<Post>,
sort: (String, String),
ends: (String, String),
/// "overview", "comments", or "submitted"
listing: String,
prefs: Preferences,
url: String,
redirect_url: String,
/// Whether the user themself is filtered.
is_filtered: bool,
/// Whether all fetched posts are filtered (to differentiate between no posts fetched in the first place,
/// and all fetched posts being filtered).
all_posts_filtered: bool,
/// Whether all posts were hidden because they are NSFW (and user has disabled show NSFW)
all_posts_hidden_nsfw: bool,
no_posts: bool,
}
// FUNCTIONS
pub async fn profile(req: Request<Body>) -> Result<Response<Body>, String> {
let listing = req.param("listing").unwrap_or_else(|| "overview".to_string());
// Build the Reddit JSON API path
let path = format!(
"/user/{}/{listing}.json?{}&raw_json=1",
req.param("name").unwrap_or_else(|| "reddit".to_string()),
req.uri().query().unwrap_or_default(),
);
let url = String::from(req.uri().path_and_query().map_or("", |val| val.as_str()));
let redirect_url = url[1..].replace('?', "%3F").replace('&', "%26");
// Retrieve other variables from Redlib request
let sort = param(&path, "sort").unwrap_or_default();
let username = req.param("name").unwrap_or_default();
// Retrieve info from user about page.
let user = user(&username).await.unwrap_or_default();
let req_url = req.uri().to_string();
// Return landing page if this post if this Reddit deems this user NSFW,
// but we have also disabled the display of NSFW content or if the instance
// is SFW-only.
if user.nsfw && crate::utils::should_be_nsfw_gated(&req, &req_url) {
return Ok(nsfw_landing(req, req_url).await.unwrap_or_default());
}
let filters = get_filters(&req);
if filters.contains(&["u_", &username].concat()) {
Ok(template(&UserTemplate {
user,
posts: Vec::new(),
sort: (sort, param(&path, "t").unwrap_or_default()),
ends: (param(&path, "after").unwrap_or_default(), String::new()),
listing,
prefs: Preferences::new(&req),
url,
redirect_url,
is_filtered: true,
all_posts_filtered: false,
all_posts_hidden_nsfw: false,
no_posts: false,
}))
} else {
// Request user posts/comments from Reddit
match Post::fetch(&path, false).await {
Ok((mut posts, after)) => {
let (_, all_posts_filtered) = filter_posts(&mut posts, &filters);
let no_posts = posts.is_empty();
let all_posts_hidden_nsfw = !no_posts && (posts.iter().all(|p| p.flags.nsfw) && setting(&req, "show_nsfw") != "on");
Ok(template(&UserTemplate {
user,
posts,
sort: (sort, param(&path, "t").unwrap_or_default()),
ends: (param(&path, "after").unwrap_or_default(), after),
listing,
prefs: Preferences::new(&req),
url,
redirect_url,
is_filtered: false,
all_posts_filtered,
all_posts_hidden_nsfw,
no_posts,
}))
}
// If there is an error show error page
Err(msg) => error(req, &msg).await,
}
}
}
// USER
async fn user(name: &str) -> Result<User, String> {
// Build the Reddit JSON API path
let path: String = format!("/user/{name}/about.json?raw_json=1");
// Send a request to the url
json(path, false).await.map(|res| {
// Grab creation date as unix timestamp
let created_unix = res["data"]["created"].as_f64().unwrap_or(0.0).round() as i64;
let created = OffsetDateTime::from_unix_timestamp(created_unix).unwrap_or(OffsetDateTime::UNIX_EPOCH);
// Closure used to parse JSON from Reddit APIs
let about = |item| res["data"]["subreddit"][item].as_str().unwrap_or_default().to_string();
// Parse the JSON output into a User struct
User {
name: res["data"]["name"].as_str().unwrap_or(name).to_owned(),
title: about("title"),
icon: format_url(&about("icon_img")),
karma: res["data"]["total_karma"].as_i64().unwrap_or(0),
created: created.format(format_description!("[month repr:short] [day] '[year repr:last_two]")).unwrap_or_default(),
banner: about("banner_img"),
description: about("public_description"),
nsfw: res["data"]["subreddit"]["over_18"].as_bool().unwrap_or_default(),
}
})
}
pub async fn rss(req: Request<Body>) -> Result<Response<Body>, String> {
if config::get_setting("REDLIB_ENABLE_RSS").is_none() {
return Ok(error(req, "RSS is disabled on this instance.").await.unwrap_or_default());
}
use crate::utils::rewrite_urls;
use hyper::header::CONTENT_TYPE;
use rss::{ChannelBuilder, Item};
// Get user
let user_str = req.param("name").unwrap_or_default();
let listing = req.param("listing").unwrap_or_else(|| "overview".to_string());
// Get path
let path = format!("/user/{user_str}/{listing}.json?{}&raw_json=1", req.uri().query().unwrap_or_default(),);
// Get user
let user_obj = user(&user_str).await.unwrap_or_default();
// Get posts
let (posts, _) = Post::fetch(&path, false).await?;
// Build the RSS feed
let channel = ChannelBuilder::default()
.title(user_str)
.description(user_obj.description)
.items(
posts
.into_iter()
.map(|post| Item {
title: Some(post.title.to_string()),
link: Some(utils::get_post_url(&post)),
author: Some(post.author.name),
content: Some(rewrite_urls(&post.body)),
..Default::default()
})
.collect::<Vec<_>>(),
)
.build();
// Serialize the feed to RSS
let body = channel.to_string().into_bytes();
// Create the HTTP response
let mut res = Response::new(Body::from(body));
res.headers_mut().insert(CONTENT_TYPE, hyper::header::HeaderValue::from_static("application/rss+xml"));
Ok(res)
}
#[tokio::test(flavor = "multi_thread")]
async fn test_fetching_user() {
let user = user("spez").await;
assert!(user.is_ok());
assert!(user.unwrap().karma > 100);
}