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Ignore deserialization errors when parsing object tags

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This commit is contained in:
silverpill 2023-01-15 00:50:23 +00:00
parent a22ae40d8e
commit 143879caf9
2 changed files with 39 additions and 24 deletions
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58
src/activitypub/handlers/create.rs
View file

@ -16,7 +16,7 @@ use crate::activitypub::{
},
identifiers::parse_local_actor_id,
receiver::{parse_array, parse_property_value, HandlerError},
types::{Attachment, Link, Object, Tag},
types::{Attachment, Link, LinkTag, Object, Tag},
vocabulary::*,
};
use crate::config::{Config, Instance};
@ -218,9 +218,15 @@ pub async fn handle_note(
let list: Vec<JsonValue> = parse_property_value(&value)
.map_err(|_| ValidationError("invalid tag property"))?;
for tag_value in list {
let tag: Tag = serde_json::from_value(tag_value.clone())
.map_err(|_| ValidationError("invalid tag"))?;
if tag.tag_type == HASHTAG {
let tag_type = tag_value["type"].as_str().unwrap_or(HASHTAG);
if tag_type == HASHTAG {
let tag: Tag = match serde_json::from_value(tag_value) {
Ok(tag) => tag,
Err(_) => {
log::warn!("invalid hashtag");
continue;
},
};
if let Some(tag_name) = tag.name {
// Ignore invalid tags
if let Ok(tag_name) = normalize_hashtag(&tag_name) {
@ -229,7 +235,14 @@ pub async fn handle_note(
};
};
};
} else if tag.tag_type == MENTION {
} else if tag_type == MENTION {
let tag: Tag = match serde_json::from_value(tag_value) {
Ok(tag) => tag,
Err(_) => {
log::warn!("invalid mention");
continue;
},
};
// Try to find profile by actor ID.
if let Some(href) = tag.href {
if let Ok(username) = parse_local_actor_id(&instance.url(), &href) {
@ -299,30 +312,35 @@ pub async fn handle_note(
} else {
log::warn!("failed to parse mention {}", tag_name);
};
} else if tag.tag_type == LINK {
if tag.media_type != Some(AP_MEDIA_TYPE.to_string()) &&
tag.media_type != Some(AS_MEDIA_TYPE.to_string())
} else if tag_type == LINK {
let tag: LinkTag = match serde_json::from_value(tag_value) {
Ok(tag) => tag,
Err(_) => {
log::warn!("invalid link tag");
continue;
},
};
if tag.media_type != AP_MEDIA_TYPE &&
tag.media_type != AS_MEDIA_TYPE
{
// Unknown media type
continue;
};
if let Some(ref href) = tag.href {
let href = redirects.get(href).unwrap_or(href);
let linked = get_post_by_object_id(
db_client,
&instance.url(),
href,
).await?;
if !links.contains(&linked.id) {
links.push(linked.id);
};
let href = redirects.get(&tag.href).unwrap_or(&tag.href);
let linked = get_post_by_object_id(
db_client,
&instance.url(),
href,
).await?;
if !links.contains(&linked.id) {
links.push(linked.id);
};
} else if tag.tag_type == EMOJI {
} else if tag_type == EMOJI {
log::info!("found emoji tag: {}", tag_value);
} else {
log::warn!(
"skipping tag of type {}",
tag.tag_type,
tag_type,
);
};
};

5
src/activitypub/types.rs
View file

@ -32,9 +32,6 @@ pub struct Tag {
pub tag_type: String,
pub href: Option<String>,
#[serde(skip_serializing_if = "Option::is_none")]
pub media_type: Option<String>,
}
#[derive(Serialize)]
@ -47,7 +44,7 @@ pub struct SimpleTag {
}
/// https://codeberg.org/fediverse/fep/src/branch/main/feps/fep-e232.md
#[derive(Serialize)]
#[derive(Deserialize, Serialize)]
#[serde(rename_all = "camelCase")]
pub struct LinkTag {
#[serde(rename = "type")]