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|
use std::path::Path;
use chrono::{DateTime, TimeDelta, Utc};
use num_traits::ToPrimitive;
use rocket::form::Form;
use rocket::fs::NamedFile;
use rocket::fs::TempFile;
use rocket::serde::json::Json;
use serde_json::Value;
use crate::{
api::{ApiResult, EmptyResult, JsonResult, Notify, UpdateType},
auth::{ClientIp, Headers, Host},
db::{models::*, DbConn, DbPool},
util::{NumberOrString, SafeString},
CONFIG,
};
const SEND_INACCESSIBLE_MSG: &str = "Send does not exist or is no longer available";
// The max file size allowed by Bitwarden clients and add an extra 5% to avoid issues
const SIZE_525_MB: i64 = 550_502_400;
pub fn routes() -> Vec<rocket::Route> {
routes![
get_sends,
get_send,
post_send,
post_send_file,
post_access,
post_access_file,
put_send,
delete_send,
put_remove_password,
download_send,
post_send_file_v2,
post_send_file_v2_data
]
}
pub async fn purge_sends(pool: DbPool) {
debug!("Purging sends");
if let Ok(mut conn) = pool.get().await {
Send::purge(&mut conn).await;
} else {
error!("Failed to get DB connection while purging sends")
}
}
#[derive(Deserialize)]
#[serde(rename_all = "camelCase")]
pub struct SendData {
r#type: i32,
key: String,
password: Option<String>,
max_access_count: Option<NumberOrString>,
expiration_date: Option<DateTime<Utc>>,
deletion_date: DateTime<Utc>,
disabled: bool,
hide_email: Option<bool>,
// Data field
name: String,
notes: Option<String>,
text: Option<Value>,
file: Option<Value>,
file_length: Option<NumberOrString>,
// Used for key rotations
pub id: Option<String>,
}
/// Enforces the `Disable Send` policy. A non-owner/admin user belonging to
/// an org with this policy enabled isn't allowed to create new Sends or
/// modify existing ones, but is allowed to delete them.
///
/// Ref: https://bitwarden.com/help/article/policies/#disable-send
///
/// There is also a Vaultwarden-specific `sends_allowed` config setting that
/// controls this policy globally.
async fn enforce_disable_send_policy(headers: &Headers, conn: &mut DbConn) -> EmptyResult {
let user_uuid = &headers.user.uuid;
if !CONFIG.sends_allowed()
|| OrgPolicy::is_applicable_to_user(user_uuid, OrgPolicyType::DisableSend, None, conn).await
{
err!("Due to an Enterprise Policy, you are only able to delete an existing Send.")
}
Ok(())
}
/// Enforces the `DisableHideEmail` option of the `Send Options` policy.
/// A non-owner/admin user belonging to an org with this option enabled isn't
/// allowed to hide their email address from the recipient of a Bitwarden Send,
/// but is allowed to remove this option from an existing Send.
///
/// Ref: https://bitwarden.com/help/article/policies/#send-options
async fn enforce_disable_hide_email_policy(data: &SendData, headers: &Headers, conn: &mut DbConn) -> EmptyResult {
let user_uuid = &headers.user.uuid;
let hide_email = data.hide_email.unwrap_or(false);
if hide_email && OrgPolicy::is_hide_email_disabled(user_uuid, conn).await {
err!(
"Due to an Enterprise Policy, you are not allowed to hide your email address \
from recipients when creating or editing a Send."
)
}
Ok(())
}
fn create_send(data: SendData, user_uuid: String) -> ApiResult<Send> {
let data_val = if data.r#type == SendType::Text as i32 {
data.text
} else if data.r#type == SendType::File as i32 {
data.file
} else {
err!("Invalid Send type")
};
let data_str = if let Some(mut d) = data_val {
d.as_object_mut().and_then(|o| o.remove("response"));
serde_json::to_string(&d)?
} else {
err!("Send data not provided");
};
if data.deletion_date > Utc::now() + TimeDelta::try_days(31).unwrap() {
err!(
"You cannot have a Send with a deletion date that far into the future. Adjust the Deletion Date to a value less than 31 days from now and try again."
);
}
let mut send = Send::new(data.r#type, data.name, data_str, data.key, data.deletion_date.naive_utc());
send.user_uuid = Some(user_uuid);
send.notes = data.notes;
send.max_access_count = match data.max_access_count {
Some(m) => Some(m.into_i32()?),
_ => None,
};
send.expiration_date = data.expiration_date.map(|d| d.naive_utc());
send.disabled = data.disabled;
send.hide_email = data.hide_email;
send.atype = data.r#type;
send.set_password(data.password.as_deref());
Ok(send)
}
#[get("/sends")]
async fn get_sends(headers: Headers, mut conn: DbConn) -> Json<Value> {
let sends = Send::find_by_user(&headers.user.uuid, &mut conn);
let sends_json: Vec<Value> = sends.await.iter().map(|s| s.to_json()).collect();
Json(json!({
"data": sends_json,
"object": "list",
"continuationToken": null
}))
}
#[get("/sends/<uuid>")]
async fn get_send(uuid: &str, headers: Headers, mut conn: DbConn) -> JsonResult {
let send = match Send::find_by_uuid(uuid, &mut conn).await {
Some(send) => send,
None => err!("Send not found"),
};
if send.user_uuid.as_ref() != Some(&headers.user.uuid) {
err!("Send is not owned by user")
}
Ok(Json(send.to_json()))
}
#[post("/sends", data = "<data>")]
async fn post_send(data: Json<SendData>, headers: Headers, mut conn: DbConn, nt: Notify<'_>) -> JsonResult {
enforce_disable_send_policy(&headers, &mut conn).await?;
let data: SendData = data.into_inner();
enforce_disable_hide_email_policy(&data, &headers, &mut conn).await?;
if data.r#type == SendType::File as i32 {
err!("File sends should use /api/sends/file")
}
let mut send = create_send(data, headers.user.uuid)?;
send.save(&mut conn).await?;
nt.send_send_update(
UpdateType::SyncSendCreate,
&send,
&send.update_users_revision(&mut conn).await,
&headers.device.uuid,
&mut conn,
)
.await;
Ok(Json(send.to_json()))
}
#[derive(FromForm)]
struct UploadData<'f> {
model: Json<SendData>,
data: TempFile<'f>,
}
#[derive(FromForm)]
struct UploadDataV2<'f> {
data: TempFile<'f>,
}
// @deprecated Mar 25 2021: This method has been deprecated in favor of direct uploads (v2).
// This method still exists to support older clients, probably need to remove it sometime.
// Upstream: https://github.com/bitwarden/server/blob/d0c793c95181dfb1b447eb450f85ba0bfd7ef643/src/Api/Controllers/SendsController.cs#L164-L167
#[post("/sends/file", format = "multipart/form-data", data = "<data>")]
async fn post_send_file(data: Form<UploadData<'_>>, headers: Headers, mut conn: DbConn, nt: Notify<'_>) -> JsonResult {
enforce_disable_send_policy(&headers, &mut conn).await?;
let UploadData {
model,
mut data,
} = data.into_inner();
let model = model.into_inner();
let Some(size) = data.len().to_i64() else {
err!("Invalid send size");
};
if size < 0 {
err!("Send size can't be negative")
}
enforce_disable_hide_email_policy(&model, &headers, &mut conn).await?;
let size_limit = match CONFIG.user_send_limit() {
Some(0) => err!("File uploads are disabled"),
Some(limit_kb) => {
let Some(already_used) = Send::size_by_user(&headers.user.uuid, &mut conn).await else {
err!("Existing sends overflow")
};
let Some(left) = limit_kb.checked_mul(1024).and_then(|l| l.checked_sub(already_used)) else {
err!("Send size overflow");
};
if left <= 0 {
err!("Send storage limit reached! Delete some sends to free up space")
}
i64::clamp(left, 0, SIZE_525_MB)
}
None => SIZE_525_MB,
};
if size > size_limit {
err!("Send storage limit exceeded with this file");
}
let mut send = create_send(model, headers.user.uuid)?;
if send.atype != SendType::File as i32 {
err!("Send content is not a file");
}
let file_id = crate::crypto::generate_send_id();
let folder_path = tokio::fs::canonicalize(&CONFIG.sends_folder()).await?.join(&send.uuid);
let file_path = folder_path.join(&file_id);
tokio::fs::create_dir_all(&folder_path).await?;
if let Err(_err) = data.persist_to(&file_path).await {
data.move_copy_to(file_path).await?
}
let mut data_value: Value = serde_json::from_str(&send.data)?;
if let Some(o) = data_value.as_object_mut() {
o.insert(String::from("id"), Value::String(file_id));
o.insert(String::from("size"), Value::Number(size.into()));
o.insert(String::from("sizeName"), Value::String(crate::util::get_display_size(size)));
}
send.data = serde_json::to_string(&data_value)?;
// Save the changes in the database
send.save(&mut conn).await?;
nt.send_send_update(
UpdateType::SyncSendCreate,
&send,
&send.update_users_revision(&mut conn).await,
&headers.device.uuid,
&mut conn,
)
.await;
Ok(Json(send.to_json()))
}
// Upstream: https://github.com/bitwarden/server/blob/d0c793c95181dfb1b447eb450f85ba0bfd7ef643/src/Api/Controllers/SendsController.cs#L190
#[post("/sends/file/v2", data = "<data>")]
async fn post_send_file_v2(data: Json<SendData>, headers: Headers, mut conn: DbConn) -> JsonResult {
enforce_disable_send_policy(&headers, &mut conn).await?;
let data = data.into_inner();
if data.r#type != SendType::File as i32 {
err!("Send content is not a file");
}
enforce_disable_hide_email_policy(&data, &headers, &mut conn).await?;
let file_length = match &data.file_length {
Some(m) => m.into_i64()?,
_ => err!("Invalid send length"),
};
if file_length < 0 {
err!("Send size can't be negative")
}
let size_limit = match CONFIG.user_send_limit() {
Some(0) => err!("File uploads are disabled"),
Some(limit_kb) => {
let Some(already_used) = Send::size_by_user(&headers.user.uuid, &mut conn).await else {
err!("Existing sends overflow")
};
let Some(left) = limit_kb.checked_mul(1024).and_then(|l| l.checked_sub(already_used)) else {
err!("Send size overflow");
};
if left <= 0 {
err!("Send storage limit reached! Delete some sends to free up space")
}
i64::clamp(left, 0, SIZE_525_MB)
}
None => SIZE_525_MB,
};
if file_length > size_limit {
err!("Send storage limit exceeded with this file");
}
let mut send = create_send(data, headers.user.uuid)?;
let file_id = crate::crypto::generate_send_id();
let mut data_value: Value = serde_json::from_str(&send.data)?;
if let Some(o) = data_value.as_object_mut() {
o.insert(String::from("id"), Value::String(file_id.clone()));
o.insert(String::from("size"), Value::Number(file_length.into()));
o.insert(String::from("sizeName"), Value::String(crate::util::get_display_size(file_length)));
}
send.data = serde_json::to_string(&data_value)?;
send.save(&mut conn).await?;
Ok(Json(json!({
"fileUploadType": 0, // 0 == Direct | 1 == Azure
"object": "send-fileUpload",
"url": format!("/sends/{}/file/{}", send.uuid, file_id),
"sendResponse": send.to_json()
})))
}
// https://github.com/bitwarden/server/blob/d0c793c95181dfb1b447eb450f85ba0bfd7ef643/src/Api/Controllers/SendsController.cs#L243
#[post("/sends/<send_uuid>/file/<file_id>", format = "multipart/form-data", data = "<data>")]
async fn post_send_file_v2_data(
send_uuid: &str,
file_id: &str,
data: Form<UploadDataV2<'_>>,
headers: Headers,
mut conn: DbConn,
nt: Notify<'_>,
) -> EmptyResult {
enforce_disable_send_policy(&headers, &mut conn).await?;
let mut data = data.into_inner();
let Some(send) = Send::find_by_uuid(send_uuid, &mut conn).await else {
err!("Send not found. Unable to save the file.")
};
let Some(send_user_id) = &send.user_uuid else {
err!("Sends are only supported for users at the moment")
};
if send_user_id != &headers.user.uuid {
err!("Send doesn't belong to user");
}
let folder_path = tokio::fs::canonicalize(&CONFIG.sends_folder()).await?.join(send_uuid);
let file_path = folder_path.join(file_id);
tokio::fs::create_dir_all(&folder_path).await?;
if let Err(_err) = data.data.persist_to(&file_path).await {
data.data.move_copy_to(file_path).await?
}
nt.send_send_update(
UpdateType::SyncSendCreate,
&send,
&send.update_users_revision(&mut conn).await,
&headers.device.uuid,
&mut conn,
)
.await;
Ok(())
}
#[derive(Deserialize)]
#[serde(rename_all = "camelCase")]
pub struct SendAccessData {
pub password: Option<String>,
}
#[post("/sends/access/<access_id>", data = "<data>")]
async fn post_access(
access_id: &str,
data: Json<SendAccessData>,
mut conn: DbConn,
ip: ClientIp,
nt: Notify<'_>,
) -> JsonResult {
let mut send = match Send::find_by_access_id(access_id, &mut conn).await {
Some(s) => s,
None => err_code!(SEND_INACCESSIBLE_MSG, 404),
};
if let Some(max_access_count) = send.max_access_count {
if send.access_count >= max_access_count {
err_code!(SEND_INACCESSIBLE_MSG, 404);
}
}
if let Some(expiration) = send.expiration_date {
if Utc::now().naive_utc() >= expiration {
err_code!(SEND_INACCESSIBLE_MSG, 404)
}
}
if Utc::now().naive_utc() >= send.deletion_date {
err_code!(SEND_INACCESSIBLE_MSG, 404)
}
if send.disabled {
err_code!(SEND_INACCESSIBLE_MSG, 404)
}
if send.password_hash.is_some() {
match data.into_inner().password {
Some(ref p) if send.check_password(p) => { /* Nothing to do here */ }
Some(_) => err!("Invalid password", format!("IP: {}.", ip.ip)),
None => err_code!("Password not provided", format!("IP: {}.", ip.ip), 401),
}
}
// Files are incremented during the download
if send.atype == SendType::Text as i32 {
send.access_count += 1;
}
send.save(&mut conn).await?;
nt.send_send_update(
UpdateType::SyncSendUpdate,
&send,
&send.update_users_revision(&mut conn).await,
&String::from("00000000-0000-0000-0000-000000000000"),
&mut conn,
)
.await;
Ok(Json(send.to_json_access(&mut conn).await))
}
#[post("/sends/<send_id>/access/file/<file_id>", data = "<data>")]
async fn post_access_file(
send_id: &str,
file_id: &str,
data: Json<SendAccessData>,
host: Host,
mut conn: DbConn,
nt: Notify<'_>,
) -> JsonResult {
let mut send = match Send::find_by_uuid(send_id, &mut conn).await {
Some(s) => s,
None => err_code!(SEND_INACCESSIBLE_MSG, 404),
};
if let Some(max_access_count) = send.max_access_count {
if send.access_count >= max_access_count {
err_code!(SEND_INACCESSIBLE_MSG, 404)
}
}
if let Some(expiration) = send.expiration_date {
if Utc::now().naive_utc() >= expiration {
err_code!(SEND_INACCESSIBLE_MSG, 404)
}
}
if Utc::now().naive_utc() >= send.deletion_date {
err_code!(SEND_INACCESSIBLE_MSG, 404)
}
if send.disabled {
err_code!(SEND_INACCESSIBLE_MSG, 404)
}
if send.password_hash.is_some() {
match data.into_inner().password {
Some(ref p) if send.check_password(p) => { /* Nothing to do here */ }
Some(_) => err!("Invalid password."),
None => err_code!("Password not provided", 401),
}
}
send.access_count += 1;
send.save(&mut conn).await?;
nt.send_send_update(
UpdateType::SyncSendUpdate,
&send,
&send.update_users_revision(&mut conn).await,
&String::from("00000000-0000-0000-0000-000000000000"),
&mut conn,
)
.await;
let token_claims = crate::auth::generate_send_claims(send_id, file_id);
let token = crate::auth::encode_jwt(&token_claims);
Ok(Json(json!({
"object": "send-fileDownload",
"id": file_id,
"url": format!("{}/api/sends/{}/{}?t={}", &host.host, send_id, file_id, token)
})))
}
#[get("/sends/<send_id>/<file_id>?<t>")]
async fn download_send(send_id: SafeString, file_id: SafeString, t: &str) -> Option<NamedFile> {
if let Ok(claims) = crate::auth::decode_send(t) {
if claims.sub == format!("{send_id}/{file_id}") {
return NamedFile::open(Path::new(&CONFIG.sends_folder()).join(send_id).join(file_id)).await.ok();
}
}
None
}
#[put("/sends/<id>", data = "<data>")]
async fn put_send(id: &str, data: Json<SendData>, headers: Headers, mut conn: DbConn, nt: Notify<'_>) -> JsonResult {
enforce_disable_send_policy(&headers, &mut conn).await?;
let data: SendData = data.into_inner();
enforce_disable_hide_email_policy(&data, &headers, &mut conn).await?;
let mut send = match Send::find_by_uuid(id, &mut conn).await {
Some(s) => s,
None => err!("Send not found"),
};
update_send_from_data(&mut send, data, &headers, &mut conn, &nt, UpdateType::SyncSendUpdate).await?;
Ok(Json(send.to_json()))
}
pub async fn update_send_from_data(
send: &mut Send,
data: SendData,
headers: &Headers,
conn: &mut DbConn,
nt: &Notify<'_>,
ut: UpdateType,
) -> EmptyResult {
if send.user_uuid.as_ref() != Some(&headers.user.uuid) {
err!("Send is not owned by user")
}
if send.atype != data.r#type {
err!("Sends can't change type")
}
if data.deletion_date > Utc::now() + TimeDelta::try_days(31).unwrap() {
err!(
"You cannot have a Send with a deletion date that far into the future. Adjust the Deletion Date to a value less than 31 days from now and try again."
);
}
// When updating a file Send, we receive nulls in the File field, as it's immutable,
// so we only need to update the data field in the Text case
if data.r#type == SendType::Text as i32 {
let data_str = if let Some(mut d) = data.text {
d.as_object_mut().and_then(|d| d.remove("response"));
serde_json::to_string(&d)?
} else {
err!("Send data not provided");
};
send.data = data_str;
}
send.name = data.name;
send.akey = data.key;
send.deletion_date = data.deletion_date.naive_utc();
send.notes = data.notes;
send.max_access_count = match data.max_access_count {
Some(m) => Some(m.into_i32()?),
_ => None,
};
send.expiration_date = data.expiration_date.map(|d| d.naive_utc());
send.hide_email = data.hide_email;
send.disabled = data.disabled;
// Only change the value if it's present
if let Some(password) = data.password {
send.set_password(Some(&password));
}
send.save(conn).await?;
if ut != UpdateType::None {
nt.send_send_update(ut, send, &send.update_users_revision(conn).await, &headers.device.uuid, conn).await;
}
Ok(())
}
#[delete("/sends/<id>")]
async fn delete_send(id: &str, headers: Headers, mut conn: DbConn, nt: Notify<'_>) -> EmptyResult {
let send = match Send::find_by_uuid(id, &mut conn).await {
Some(s) => s,
None => err!("Send not found"),
};
if send.user_uuid.as_ref() != Some(&headers.user.uuid) {
err!("Send is not owned by user")
}
send.delete(&mut conn).await?;
nt.send_send_update(
UpdateType::SyncSendDelete,
&send,
&send.update_users_revision(&mut conn).await,
&headers.device.uuid,
&mut conn,
)
.await;
Ok(())
}
#[put("/sends/<id>/remove-password")]
async fn put_remove_password(id: &str, headers: Headers, mut conn: DbConn, nt: Notify<'_>) -> JsonResult {
enforce_disable_send_policy(&headers, &mut conn).await?;
let mut send = match Send::find_by_uuid(id, &mut conn).await {
Some(s) => s,
None => err!("Send not found"),
};
if send.user_uuid.as_ref() != Some(&headers.user.uuid) {
err!("Send is not owned by user")
}
send.set_password(None);
send.save(&mut conn).await?;
nt.send_send_update(
UpdateType::SyncSendUpdate,
&send,
&send.update_users_revision(&mut conn).await,
&headers.device.uuid,
&mut conn,
)
.await;
Ok(Json(send.to_json()))
}
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