Post creation from Mastodon (fixes #2590) (#2651)

* Post creation from Mastodon (fixes #2590)

* better logic for page title

* add deserialize helper

Co-authored-by: Dessalines <dessalines@users.noreply.github.com>
This commit is contained in:
Nutomic 2023-01-20 18:43:23 +01:00 committed by GitHub
parent ac56504291
commit 7e3d3839b6
No known key found for this signature in database
GPG key ID: 4AEE18F83AFDEB23
6 changed files with 105 additions and 14 deletions

View file

@ -0,0 +1,53 @@
{
"@context": [
"https://www.w3.org/ns/activitystreams",
{
"ostatus": "http://ostatus.org#",
"atomUri": "ostatus:atomUri",
"inReplyToAtomUri": "ostatus:inReplyToAtomUri",
"conversation": "ostatus:conversation",
"sensitive": "as:sensitive",
"toot": "http://joinmastodon.org/ns#",
"votersCount": "toot:votersCount"
}
],
"id": "https://mastodon.madrid/users/felix/statuses/107224289116410645",
"type": "Note",
"summary": null,
"published": "2021-11-05T11:46:50Z",
"url": "https://mastodon.madrid/@felix/107224289116410645",
"attributedTo": "https://mastodon.madrid/users/felix",
"to": [
"https://mastodon.madrid/users/felix/followers"
],
"cc": [
"https://www.w3.org/ns/activitystreams#Public",
"https://mamot.fr/users/retiolus"
],
"sensitive": false,
"atomUri": "https://mastodon.madrid/users/felix/statuses/107224289116410645",
"inReplyToAtomUri": "https://mamot.fr/users/retiolus/statuses/107224244380204526",
"conversation": "tag:mamot.fr,2021-11-05:objectId=64635960:objectType=Conversation",
"content": "<p><span class=\"h-card\"><a href=\"https://mamot.fr/@retiolus\" class=\"u-url mention\">@<span>retiolus</span></a></span> i have never been disappointed by a thinkpad. if you want to save money, get a model from a few years ago, there isnt a huge difference anyway.</p>",
"contentMap": {
"en": "<p><span class=\"h-card\"><a href=\"https://mamot.fr/@retiolus\" class=\"u-url mention\">@<span>retiolus</span></a></span> i have never been disappointed by a thinkpad. if you want to save money, get a model from a few years ago, there isnt a huge difference anyway.</p>"
},
"attachment": [],
"tag": [
{
"type": "Mention",
"href": "https://mamot.fr/users/retiolus",
"name": "@retiolus@mamot.fr"
}
],
"replies": {
"id": "https://mastodon.madrid/users/felix/statuses/107224289116410645/replies",
"type": "Collection",
"first": {
"type": "CollectionPage",
"next": "https://mastodon.madrid/users/felix/statuses/107224289116410645/replies?only_other_accounts=true&page=true",
"partOf": "https://mastodon.madrid/users/felix/statuses/107224289116410645/replies",
"items": []
}
}
}

View file

@ -46,12 +46,7 @@ async fn convert_response(
) -> Result<ResolveObjectResponse, LemmyError> {
use SearchableObjects::*;
let removed_or_deleted;
let mut res = ResolveObjectResponse {
comment: None,
post: None,
community: None,
person: None,
};
let mut res = ResolveObjectResponse::default();
match object {
Person(p) => {
removed_or_deleted = p.deleted;

View file

@ -21,6 +21,7 @@ use activitypub_federation::{
utils::verify_domains_match,
};
use activitystreams_kinds::public;
use anyhow::anyhow;
use chrono::NaiveDateTime;
use lemmy_api_common::{
context::LemmyContext,
@ -40,11 +41,13 @@ use lemmy_db_schema::{
};
use lemmy_utils::{
error::LemmyError,
utils::{check_slurs, convert_datetime, markdown_to_html, remove_slurs},
utils::{check_slurs_opt, convert_datetime, markdown_to_html, remove_slurs},
};
use std::ops::Deref;
use url::Url;
const MAX_TITLE_LENGTH: usize = 100;
#[derive(Clone, Debug)]
pub struct ApubPost(pub(crate) Post);
@ -108,7 +111,7 @@ impl ApubObject for ApubPost {
attributed_to: AttributedTo::Lemmy(ObjectId::new(creator.actor_id)),
to: vec![community.actor_id.clone().into(), public()],
cc: vec![],
name: self.name.clone(),
name: Some(self.name.clone()),
content: self.body.as_ref().map(|b| markdown_to_html(b)),
media_type: Some(MediaTypeMarkdownOrHtml::Html),
source: self.body.clone().map(Source::new),
@ -121,6 +124,7 @@ impl ApubObject for ApubPost {
published: Some(convert_datetime(self.published)),
updated: self.updated.map(convert_datetime),
audience: Some(ObjectId::new(community.actor_id)),
in_reply_to: None,
};
Ok(page)
}
@ -151,7 +155,7 @@ impl ApubObject for ApubPost {
verify_person_in_community(&page.creator()?, &community, context, request_counter).await?;
let slur_regex = &local_site_opt_to_slur_regex(&local_site_data.local_site);
check_slurs(&page.name, slur_regex)?;
check_slurs_opt(&page.name, slur_regex)?;
verify_domains_match(page.creator()?.inner(), page.id.inner())?;
verify_is_public(&page.to, &page.cc)?;
@ -169,6 +173,19 @@ impl ApubObject for ApubPost {
.dereference(context, local_instance(context).await, request_counter)
.await?;
let community = page.community(context, request_counter).await?;
let mut name = page
.name
.clone()
.or_else(|| {
page
.content
.clone()
.and_then(|c| c.lines().next().map(ToString::to_string))
})
.ok_or_else(|| anyhow!("Object must have name or content"))?;
if name.chars().count() > MAX_TITLE_LENGTH {
name = name.chars().take(MAX_TITLE_LENGTH).collect();
}
let form = if !page.is_mod_action(context).await? {
let first_attachment = page.attachment.into_iter().map(Attachment::url).next();
@ -197,7 +214,7 @@ impl ApubObject for ApubPost {
let language_id = LanguageTag::to_language_id_single(page.language, context.pool()).await?;
PostInsertForm {
name: page.name.clone(),
name,
url: url.map(Into::into),
body: body_slurs_removed,
creator_id: creator.id,
@ -221,7 +238,7 @@ impl ApubObject for ApubPost {
} else {
// if is mod action, only update locked/stickied fields, nothing else
PostInsertForm::builder()
.name(page.name.clone())
.name(name)
.creator_id(creator.id)
.community_id(community.id)
.ap_id(Some(page.id.clone().into()))

View file

@ -131,6 +131,7 @@ mod tests {
fn test_parse_objects_mastodon() {
test_json::<Person>("assets/mastodon/objects/person.json").unwrap();
test_json::<Note>("assets/mastodon/objects/note.json").unwrap();
test_json::<Page>("assets/mastodon/objects/page.json").unwrap();
}
#[test]

View file

@ -23,7 +23,7 @@ use itertools::Itertools;
use lemmy_api_common::context::LemmyContext;
use lemmy_db_schema::newtypes::DbUrl;
use lemmy_utils::error::LemmyError;
use serde::{Deserialize, Serialize};
use serde::{de::Error, Deserialize, Deserializer, Serialize};
use serde_with::skip_serializing_none;
use url::Url;
@ -46,8 +46,11 @@ pub struct Page {
pub(crate) attributed_to: AttributedTo,
#[serde(deserialize_with = "deserialize_one_or_many")]
pub(crate) to: Vec<Url>,
pub(crate) name: String,
// If there is inReplyTo field this is actually a comment and must not be parsed
#[serde(deserialize_with = "deserialize_not_present", default)]
pub(crate) in_reply_to: Option<String>,
pub(crate) name: Option<String>,
#[serde(deserialize_with = "deserialize_one_or_many", default)]
pub(crate) cc: Vec<Url>,
pub(crate) content: Option<String>,
@ -259,3 +262,25 @@ impl InCommunity for Page {
}
}
}
/// Only allows deserialization if the field is missing or null. If it is present, throws an error.
pub fn deserialize_not_present<'de, D>(deserializer: D) -> Result<Option<String>, D::Error>
where
D: Deserializer<'de>,
{
let result: Option<String> = Deserialize::deserialize(deserializer)?;
match result {
None => Ok(None),
Some(_) => Err(D::Error::custom("Post must not have inReplyTo property")),
}
}
#[cfg(test)]
mod tests {
use crate::protocol::{objects::page::Page, tests::test_parse_lemmy_item};
#[test]
fn test_not_parsing_note_as_page() {
assert!(test_parse_lemmy_item::<Page>("assets/lemmy/objects/note.json").is_err());
}
}

View file

@ -1,5 +1,5 @@
#!/bin/bash
set -ex
set -e
PACKAGE="$1"
echo "$PACKAGE"