Merge pull request 'Fix #905 Prevent remote image duplication' (#907) from dup-remote-image into main

Reviewed-on: #907
pull/908/head
KitaitiMakoto 3 years ago
commit c26f2623a8

@ -10,7 +10,14 @@ use plume_common::{
activity_pub::{inbox::FromId, Id},
utils::MediaProcessor,
};
use std::{fs, path::Path};
use std::{
fs::{self, DirBuilder},
path::{Path, PathBuf},
};
use tracing::warn;
use url::Url;
const REMOTE_MEDIA_DIRECTORY: &str = "remote";
#[derive(Clone, Identifiable, Queryable)]
pub struct Media {
@ -198,18 +205,14 @@ impl Media {
// TODO: merge with save_remote?
pub fn from_activity(conn: &DbConn, image: &Image) -> Result<Media> {
let remote_url = image.object_props.url_string().ok()?;
let ext = remote_url
.rsplit('.')
.next()
.map(ToOwned::to_owned)
.unwrap_or_else(|| String::from("png"));
let path = Path::new(&super::CONFIG.media_directory).join(format!(
"{}.{}",
GUID::rand().to_string(),
ext
));
let path = determine_mirror_file_path(&remote_url);
let parent = path.parent()?;
if !parent.is_dir() {
DirBuilder::new().recursive(true).create(parent)?;
}
let mut dest = fs::File::create(path.clone()).ok()?;
// TODO: conditional GET
if let Some(proxy) = CONFIG.proxy() {
reqwest::ClientBuilder::new().proxy(proxy.clone()).build()?
} else {
@ -221,6 +224,7 @@ impl Media {
.copy_to(&mut dest)
.ok()?;
// TODO: upsert
Media::insert(
conn,
NewMedia {
@ -262,6 +266,33 @@ impl Media {
}
}
fn determine_mirror_file_path(url: &str) -> PathBuf {
let mut file_path = Path::new(&super::CONFIG.media_directory).join(REMOTE_MEDIA_DIRECTORY);
Url::parse(url)
.map(|url| {
if !url.has_host() {
return;
}
file_path.push(url.host_str().unwrap());
for segment in url.path_segments().expect("FIXME") {
file_path.push(segment);
}
// TODO: handle query
// HINT: Use characters which must be percent-encoded in path as separator between path and query
// HINT: handle extension
})
.unwrap_or_else(|err| {
warn!("Failed to parse url: {} {}", &url, err);
let ext = url
.rsplit('.')
.next()
.map(ToOwned::to_owned)
.unwrap_or_else(|| String::from("png"));
file_path.push(format!("{}.{}", GUID::rand().to_string(), ext));
});
file_path
}
#[cfg(test)]
pub(crate) mod tests {
use super::*;

@ -644,6 +644,7 @@ impl FromId<DbConn> for Post {
.and_then(|img| Media::from_activity(conn, &img).ok().map(|m| m.id));
let title = article.object_props.name_string()?;
// TODO: upsert
let post = Post::insert(
conn,
NewPost {

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