mirror of
https://github.com/LemmyNet/lemmy.git
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85 lines
2.4 KiB
Rust
85 lines
2.4 KiB
Rust
use activitystreams::{
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base::BaseExt,
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object::{kind::ImageType, Tombstone, TombstoneExt},
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};
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use anyhow::anyhow;
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use chrono::NaiveDateTime;
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use lemmy_apub_lib::values::MediaTypeMarkdown;
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use lemmy_db_schema::DbPool;
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use lemmy_utils::{utils::convert_datetime, LemmyError};
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use lemmy_websocket::LemmyContext;
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use url::Url;
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pub(crate) mod comment;
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pub(crate) mod community;
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pub(crate) mod person;
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pub(crate) mod post;
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pub(crate) mod private_message;
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/// Trait for converting an object or actor into the respective ActivityPub type.
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#[async_trait::async_trait(?Send)]
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pub(crate) trait ToApub {
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type ApubType;
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async fn to_apub(&self, pool: &DbPool) -> Result<Self::ApubType, LemmyError>;
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fn to_tombstone(&self) -> Result<Tombstone, LemmyError>;
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}
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#[async_trait::async_trait(?Send)]
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pub trait FromApub {
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type ApubType;
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/// Converts an object from ActivityPub type to Lemmy internal type.
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///
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/// * `apub` The object to read from
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/// * `context` LemmyContext which holds DB pool, HTTP client etc
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/// * `expected_domain` Domain where the object was received from. None in case of mod action.
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/// * `mod_action_allowed` True if the object can be a mod activity, ignore `expected_domain` in this case
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async fn from_apub(
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apub: &Self::ApubType,
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context: &LemmyContext,
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expected_domain: &Url,
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request_counter: &mut i32,
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) -> Result<Self, LemmyError>
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where
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Self: Sized;
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}
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#[derive(Clone, Debug, serde::Deserialize, serde::Serialize)]
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#[serde(rename_all = "camelCase")]
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pub struct Source {
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content: String,
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media_type: MediaTypeMarkdown,
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}
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#[derive(Clone, Debug, serde::Deserialize, serde::Serialize)]
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#[serde(rename_all = "camelCase")]
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pub struct ImageObject {
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#[serde(rename = "type")]
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kind: ImageType,
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url: Url,
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}
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/// Updated is actually the deletion time
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fn create_tombstone<T>(
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deleted: bool,
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object_id: Url,
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updated: Option<NaiveDateTime>,
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former_type: T,
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) -> Result<Tombstone, LemmyError>
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where
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T: ToString,
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{
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if deleted {
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if let Some(updated) = updated {
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let mut tombstone = Tombstone::new();
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tombstone.set_id(object_id);
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tombstone.set_former_type(former_type.to_string());
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tombstone.set_deleted(convert_datetime(updated));
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Ok(tombstone)
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} else {
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Err(anyhow!("Cant convert to tombstone because updated time was None.").into())
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}
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} else {
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Err(anyhow!("Cant convert object to tombstone if it wasnt deleted").into())
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}
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}
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