Nutomic
a2a594b763
* Create example for apub lib * some rewriting of apub lib * Add LocalInstance struct for apub lib to avoid using Lemmy Settings * Move ActorType trait to lemmy_apub, because its not needed in library * Use reqwest_retry instead of custom impl, dont specify timeout on every send() * Some improvements to example * Moved inbox handling to library * bug fixes * Move context and serde helpers into library * wip: example changes * Add lemmy_utils feature to build only LemmyError * Rename to activitypub_federation * Remove lemmy_utils dep from activitypub_federation using generic error type * Finish activitypub example * Cleanup and fix tests * Reorganize library files * Remove ApubObject.to_tombstone() * Extract activitypub library into separate git repository
116 lines
3.3 KiB
Rust
116 lines
3.3 KiB
Rust
use crate::local_instance;
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use activitypub_federation::{deser::values::MediaTypeMarkdown, utils::fetch_object_http};
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use activitystreams_kinds::object::ImageType;
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use lemmy_db_schema::newtypes::DbUrl;
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use lemmy_utils::error::LemmyError;
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use lemmy_websocket::LemmyContext;
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use serde::{de::DeserializeOwned, Deserialize, Serialize};
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use std::collections::HashMap;
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use url::Url;
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pub mod activities;
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pub(crate) mod collections;
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pub(crate) mod objects;
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#[derive(Clone, Debug, Deserialize, Serialize)]
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#[serde(rename_all = "camelCase")]
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pub struct Source {
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pub(crate) content: String,
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pub(crate) media_type: MediaTypeMarkdown,
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}
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impl Source {
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pub(crate) fn new(content: String) -> Self {
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Source {
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content,
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media_type: MediaTypeMarkdown::Markdown,
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}
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}
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}
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#[derive(Clone, Debug, Deserialize, 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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pub(crate) url: Url,
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}
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impl ImageObject {
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pub(crate) fn new(url: DbUrl) -> Self {
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ImageObject {
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kind: ImageType::Image,
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url: url.into(),
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}
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}
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}
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#[derive(Clone, Debug, Default, Deserialize, Serialize)]
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#[serde(transparent)]
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pub struct Unparsed(HashMap<String, serde_json::Value>);
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pub(crate) trait Id {
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fn object_id(&self) -> &Url;
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}
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#[derive(Clone, Debug, Deserialize, Serialize)]
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#[serde(untagged)]
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pub(crate) enum IdOrNestedObject<Kind: Id> {
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Id(Url),
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NestedObject(Kind),
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}
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impl<Kind: Id + DeserializeOwned> IdOrNestedObject<Kind> {
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pub(crate) fn id(&self) -> &Url {
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match self {
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IdOrNestedObject::Id(i) => i,
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IdOrNestedObject::NestedObject(n) => n.object_id(),
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}
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}
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pub(crate) async fn object(
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self,
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context: &LemmyContext,
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request_counter: &mut i32,
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) -> Result<Kind, LemmyError> {
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match self {
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IdOrNestedObject::Id(i) => {
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Ok(fetch_object_http(&i, local_instance(context), request_counter).await?)
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}
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IdOrNestedObject::NestedObject(o) => Ok(o),
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}
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}
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}
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#[cfg(test)]
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pub(crate) mod tests {
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use activitypub_federation::deser::context::WithContext;
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use assert_json_diff::assert_json_include;
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use lemmy_utils::error::LemmyError;
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use serde::{de::DeserializeOwned, Serialize};
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use std::{collections::HashMap, fs::File, io::BufReader};
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pub(crate) fn file_to_json_object<T: DeserializeOwned>(path: &str) -> Result<T, LemmyError> {
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let file = File::open(path)?;
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let reader = BufReader::new(file);
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Ok(serde_json::from_reader(reader)?)
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}
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pub(crate) fn test_json<T: DeserializeOwned>(path: &str) -> Result<WithContext<T>, LemmyError> {
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file_to_json_object::<WithContext<T>>(path)
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}
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/// Check that json deserialize -> serialize -> deserialize gives identical file as initial one.
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/// Ensures that there are no breaking changes in sent data.
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pub(crate) fn test_parse_lemmy_item<T: Serialize + DeserializeOwned + std::fmt::Debug>(
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path: &str,
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) -> Result<T, LemmyError> {
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// parse file as T
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let parsed = file_to_json_object::<T>(path)?;
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// parse file into hashmap, which ensures that every field is included
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let raw = file_to_json_object::<HashMap<String, serde_json::Value>>(path)?;
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// assert that all fields are identical, otherwise print diff
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assert_json_include!(actual: &parsed, expected: raw);
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Ok(parsed)
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}
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}
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