68c7aad179
The code is divided in three crates: - plume-common, for the ActivityPub module, and some common utils - plume-models, for the models and database-related code - plume, the app itself This new organization will allow to test it more easily, but also to create other tools that only reuse a little part of the code (for instance a Wordpress import tool, that would just use the plume-models crate)
71 lines
3.0 KiB
Rust
71 lines
3.0 KiB
Rust
use gettextrs::gettext;
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use heck::CamelCase;
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use pulldown_cmark::{Event, Parser, Options, Tag, html};
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use rocket::{
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http::uri::Uri,
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response::{Redirect, Flash}
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};
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/// Remove non alphanumeric characters and CamelCase a string
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pub fn make_actor_id(name: String) -> String {
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name.as_str()
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.to_camel_case()
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.to_string()
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.chars()
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.filter(|c| c.is_alphanumeric())
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.collect()
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}
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pub fn requires_login(message: &str, url: Uri) -> Flash<Redirect> {
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Flash::new(Redirect::to(Uri::new(format!("/login?m={}", gettext(message.to_string())))), "callback", url.as_str())
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}
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/// Returns (HTML, mentions)
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pub fn md_to_html(md: &str) -> (String, Vec<String>) {
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let parser = Parser::new_ext(md, Options::all());
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let (parser, mentions): (Vec<Vec<Event>>, Vec<Vec<String>>) = parser.map(|evt| match evt {
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Event::Text(txt) => {
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let (evts, _, _, _, new_mentions) = txt.chars().fold((vec![], false, String::new(), 0, vec![]), |(mut events, in_mention, text_acc, n, mut mentions), c| {
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if in_mention {
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if (c.is_alphanumeric() || c == '@' || c == '.' || c == '-' || c == '_') && (n < (txt.chars().count() - 1)) {
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(events, in_mention, text_acc + c.to_string().as_ref(), n + 1, mentions)
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} else {
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let mention = text_acc + c.to_string().as_ref();
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let short_mention = mention.clone();
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let short_mention = short_mention.splitn(1, '@').nth(0).unwrap_or("");
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let link = Tag::Link(format!("/@/{}/", mention).into(), short_mention.to_string().into());
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mentions.push(mention);
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events.push(Event::Start(link.clone()));
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events.push(Event::Text(format!("@{}", short_mention).into()));
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events.push(Event::End(link));
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(events, false, c.to_string(), n + 1, mentions)
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}
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} else {
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if c == '@' {
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events.push(Event::Text(text_acc.into()));
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(events, true, String::new(), n + 1, mentions)
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} else {
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if n >= (txt.chars().count() - 1) { // Add the text after at the end, even if it is not followed by a mention.
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events.push(Event::Text((text_acc.clone() + c.to_string().as_ref()).into()))
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}
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(events, in_mention, text_acc + c.to_string().as_ref(), n + 1, mentions)
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}
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}
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});
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(evts, new_mentions)
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},
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_ => (vec![evt], vec![])
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}).unzip();
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let parser = parser.into_iter().flatten();
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let mentions = mentions.into_iter().flatten().map(|m| String::from(m.trim()));
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// TODO: fetch mentionned profiles in background, if needed
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let mut buf = String::new();
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html::push_html(&mut buf, parser);
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(buf, mentions.collect())
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}
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