continuwuity/src/admin/media/commands.rs
strawberry fb49e37067 add admin command to delete all remote media from a specific server
Signed-off-by: strawberry <strawberry@puppygock.gay>
2024-08-29 19:19:20 +00:00

259 lines
8 KiB
Rust

use conduit::{debug, info, trace, warn, Result};
use ruma::{events::room::message::RoomMessageEventContent, EventId, Mxc, MxcUri, ServerName};
use crate::{admin_command, utils::parse_local_user_id};
#[admin_command]
pub(super) async fn delete(
&self, mxc: Option<Box<MxcUri>>, event_id: Option<Box<EventId>>,
) -> Result<RoomMessageEventContent> {
if event_id.is_some() && mxc.is_some() {
return Ok(RoomMessageEventContent::text_plain(
"Please specify either an MXC or an event ID, not both.",
));
}
if let Some(mxc) = mxc {
debug!("Got MXC URL: {mxc}");
self.services
.media
.delete(&mxc.as_str().try_into()?)
.await?;
return Ok(RoomMessageEventContent::text_plain(
"Deleted the MXC from our database and on our filesystem.",
));
} else if let Some(event_id) = event_id {
debug!("Got event ID to delete media from: {event_id}");
let mut mxc_urls = vec![];
let mut mxc_deletion_count: usize = 0;
// parsing the PDU for any MXC URLs begins here
if let Some(event_json) = self.services.rooms.timeline.get_pdu_json(&event_id)? {
if let Some(content_key) = event_json.get("content") {
debug!("Event ID has \"content\".");
let content_obj = content_key.as_object();
if let Some(content) = content_obj {
// 1. attempts to parse the "url" key
debug!("Attempting to go into \"url\" key for main media file");
if let Some(url) = content.get("url") {
debug!("Got a URL in the event ID {event_id}: {url}");
if url.to_string().starts_with("\"mxc://") {
debug!("Pushing URL {url} to list of MXCs to delete");
let final_url = url.to_string().replace('"', "");
mxc_urls.push(final_url);
} else {
info!("Found a URL in the event ID {event_id} but did not start with mxc://, ignoring");
}
}
// 2. attempts to parse the "info" key
debug!("Attempting to go into \"info\" key for thumbnails");
if let Some(info_key) = content.get("info") {
debug!("Event ID has \"info\".");
let info_obj = info_key.as_object();
if let Some(info) = info_obj {
if let Some(thumbnail_url) = info.get("thumbnail_url") {
debug!("Found a thumbnail_url in info key: {thumbnail_url}");
if thumbnail_url.to_string().starts_with("\"mxc://") {
debug!("Pushing thumbnail URL {thumbnail_url} to list of MXCs to delete");
let final_thumbnail_url = thumbnail_url.to_string().replace('"', "");
mxc_urls.push(final_thumbnail_url);
} else {
info!(
"Found a thumbnail URL in the event ID {event_id} but did not start with \
mxc://, ignoring"
);
}
} else {
info!("No \"thumbnail_url\" key in \"info\" key, assuming no thumbnails.");
}
}
}
// 3. attempts to parse the "file" key
debug!("Attempting to go into \"file\" key");
if let Some(file_key) = content.get("file") {
debug!("Event ID has \"file\".");
let file_obj = file_key.as_object();
if let Some(file) = file_obj {
if let Some(url) = file.get("url") {
debug!("Found url in file key: {url}");
if url.to_string().starts_with("\"mxc://") {
debug!("Pushing URL {url} to list of MXCs to delete");
let final_url = url.to_string().replace('"', "");
mxc_urls.push(final_url);
} else {
info!(
"Found a URL in the event ID {event_id} but did not start with mxc://, \
ignoring"
);
}
} else {
info!("No \"url\" key in \"file\" key.");
}
}
}
} else {
return Ok(RoomMessageEventContent::text_plain(
"Event ID does not have a \"content\" key or failed parsing the event ID JSON.",
));
}
} else {
return Ok(RoomMessageEventContent::text_plain(
"Event ID does not have a \"content\" key, this is not a message or an event type that contains \
media.",
));
}
} else {
return Ok(RoomMessageEventContent::text_plain(
"Event ID does not exist or is not known to us.",
));
}
if mxc_urls.is_empty() {
// we shouldn't get here (should have errored earlier) but just in case for
// whatever reason we do...
info!("Parsed event ID {event_id} but did not contain any MXC URLs.");
return Ok(RoomMessageEventContent::text_plain("Parsed event ID but found no MXC URLs."));
}
for mxc_url in mxc_urls {
self.services
.media
.delete(&mxc_url.as_str().try_into()?)
.await?;
mxc_deletion_count = mxc_deletion_count.saturating_add(1);
}
return Ok(RoomMessageEventContent::text_plain(format!(
"Deleted {mxc_deletion_count} total MXCs from our database and the filesystem from event ID {event_id}."
)));
}
Ok(RoomMessageEventContent::text_plain(
"Please specify either an MXC using --mxc or an event ID using --event-id of the message containing an image. \
See --help for details.",
))
}
#[admin_command]
pub(super) async fn delete_list(&self) -> Result<RoomMessageEventContent> {
if self.body.len() < 2 || !self.body[0].trim().starts_with("```") || self.body.last().unwrap_or(&"").trim() != "```"
{
return Ok(RoomMessageEventContent::text_plain(
"Expected code block in command body. Add --help for details.",
));
}
let mxc_list = self
.body
.to_vec()
.drain(1..self.body.len().checked_sub(1).unwrap())
.collect::<Vec<_>>();
let mut mxc_deletion_count: usize = 0;
for mxc in mxc_list {
debug!("Deleting MXC {mxc} in bulk");
self.services.media.delete(&mxc.try_into()?).await?;
mxc_deletion_count = mxc_deletion_count
.checked_add(1)
.expect("mxc_deletion_count should not get this high");
}
Ok(RoomMessageEventContent::text_plain(format!(
"Finished bulk MXC deletion, deleted {mxc_deletion_count} total MXCs from our database and the filesystem.",
)))
}
#[admin_command]
pub(super) async fn delete_past_remote_media(&self, duration: String, force: bool) -> Result<RoomMessageEventContent> {
let deleted_count = self
.services
.media
.delete_all_remote_media_at_after_time(duration, force)
.await?;
Ok(RoomMessageEventContent::text_plain(format!(
"Deleted {deleted_count} total files.",
)))
}
#[admin_command]
pub(super) async fn delete_all_from_user(&self, username: String, force: bool) -> Result<RoomMessageEventContent> {
let user_id = parse_local_user_id(self.services, &username)?;
let deleted_count = self
.services
.media
.delete_from_user(&user_id, force)
.await?;
Ok(RoomMessageEventContent::text_plain(format!(
"Deleted {deleted_count} total files.",
)))
}
#[admin_command]
pub(super) async fn delete_all_from_server(
&self, server_name: Box<ServerName>, force: bool,
) -> Result<RoomMessageEventContent> {
if server_name == self.services.globals.server_name() {
return Ok(RoomMessageEventContent::text_plain("This command only works for remote media."));
}
let Ok(all_mxcs) = self.services.media.get_all_mxcs().await else {
return Ok(RoomMessageEventContent::text_plain("Failed to get MXC URIs from our database"));
};
let mut deleted_count: usize = 0;
for mxc in all_mxcs {
let mxc_server_name = match mxc.server_name() {
Ok(server_name) => server_name,
Err(e) => {
if force {
warn!("Failed to parse MXC {mxc} server name from database, ignoring error and skipping: {e}");
continue;
}
return Ok(RoomMessageEventContent::text_plain(format!(
"Failed to parse MXC {mxc} server name from database: {e}",
)));
},
};
if mxc_server_name != server_name || self.services.globals.server_is_ours(mxc_server_name) {
trace!("skipping MXC URI {mxc}");
continue;
}
let mxc: Mxc<'_> = mxc.as_str().try_into()?;
match self.services.media.delete(&mxc).await {
Ok(()) => {
deleted_count = deleted_count.saturating_add(1);
},
Err(e) => {
if force {
warn!("Failed to delete {mxc}, ignoring error and skipping: {e}");
continue;
}
return Ok(RoomMessageEventContent::text_plain(format!("Failed to delete MXC {mxc}: {e}")));
},
}
}
Ok(RoomMessageEventContent::text_plain(format!(
"Deleted {deleted_count} total files.",
)))
}