Clean up attachment error handling

This commit is contained in:
Jeremy Lin 2021-05-25 22:13:04 -07:00
parent 29ed82a359
commit 5fef7983f4
2 changed files with 19 additions and 8 deletions

View file

@ -1,5 +1,5 @@
use std::collections::{HashMap, HashSet};
use std::path::Path;
use std::path::{Path, PathBuf};
use chrono::{NaiveDateTime, Utc};
use rocket::{http::ContentType, request::Form, Data, Route};
@ -885,6 +885,7 @@ fn save_attachment(
let boundary = boundary_pair.1;
let base_path = Path::new(&CONFIG.attachments_folder()).join(&cipher_uuid);
let mut path = PathBuf::new();
let mut attachment_key = None;
let mut error = None;
@ -913,23 +914,20 @@ fn save_attachment(
Some(attachment) => attachment.id.clone(), // v2 API
None => crypto::generate_file_id(), // Legacy API
};
let path = base_path.join(&file_id);
path = base_path.join(&file_id);
let size =
match field.data.save().memory_threshold(0).size_limit(size_limit).with_path(path.clone()) {
SaveResult::Full(SavedData::File(_, size)) => size as i32,
SaveResult::Full(other) => {
std::fs::remove_file(path).ok();
error = Some(format!("Attachment is not a file: {:?}", other));
return;
}
SaveResult::Partial(_, reason) => {
std::fs::remove_file(path).ok();
error = Some(format!("Attachment size limit exceeded with this file: {:?}", reason));
return;
}
SaveResult::Error(e) => {
std::fs::remove_file(path).ok();
error = Some(format!("Error: {:?}", e));
return;
}
@ -952,7 +950,6 @@ fn save_attachment(
attachment.save(conn).expect("Error updating attachment");
}
} else {
std::fs::remove_file(path).ok();
attachment.delete(conn).ok();
let err_msg = "Attachment size mismatch".to_string();
@ -986,6 +983,7 @@ fn save_attachment(
.expect("Error processing multipart data");
if let Some(ref e) = error {
std::fs::remove_file(path).ok();
err!(e);
}

View file

@ -1,3 +1,5 @@
use std::io::ErrorKind;
use serde_json::Value;
use super::Cipher;
@ -98,8 +100,19 @@ impl Attachment {
)
.map_res("Error deleting attachment")?;
crate::util::delete_file(&self.get_file_path())?;
let file_path = &self.get_file_path();
match crate::util::delete_file(file_path) {
// Ignore "file not found" errors. This can happen when the
// upstream caller has already cleaned up the file as part of
// its own error handling.
Err(e) if e.kind() == ErrorKind::NotFound => {
debug!("File '{}' already deleted.", file_path);
Ok(())
}
Err(e) => Err(e.into()),
_ => Ok(()),
}
}}
}