102 lines
2.6 KiB
Rust
102 lines
2.6 KiB
Rust
use garage_util::data::*;
|
|
|
|
use garage_table::crdt::*;
|
|
use garage_table::*;
|
|
|
|
mod v08 {
|
|
use garage_util::crdt;
|
|
use garage_util::data::Uuid;
|
|
use serde::{Deserialize, Serialize};
|
|
|
|
/// The bucket alias table holds the names given to buckets
|
|
/// in the global namespace.
|
|
#[derive(PartialEq, Eq, Clone, Debug, Serialize, Deserialize)]
|
|
pub struct BucketAlias {
|
|
pub(super) name: String,
|
|
pub state: crdt::Lww<Option<Uuid>>,
|
|
}
|
|
|
|
impl garage_util::migrate::InitialFormat for BucketAlias {}
|
|
}
|
|
|
|
pub use v08::*;
|
|
|
|
impl BucketAlias {
|
|
pub fn new(name: String, ts: u64, bucket_id: Option<Uuid>) -> Option<Self> {
|
|
if !is_valid_bucket_name(&name) {
|
|
None
|
|
} else {
|
|
Some(BucketAlias {
|
|
name,
|
|
state: crdt::Lww::raw(ts, bucket_id),
|
|
})
|
|
}
|
|
}
|
|
|
|
pub fn is_deleted(&self) -> bool {
|
|
self.state.get().is_none()
|
|
}
|
|
pub fn name(&self) -> &str {
|
|
&self.name
|
|
}
|
|
}
|
|
|
|
impl Crdt for BucketAlias {
|
|
fn merge(&mut self, o: &Self) {
|
|
self.state.merge(&o.state);
|
|
}
|
|
}
|
|
|
|
impl Entry<EmptyKey, String> for BucketAlias {
|
|
fn partition_key(&self) -> &EmptyKey {
|
|
&EmptyKey
|
|
}
|
|
fn sort_key(&self) -> &String {
|
|
&self.name
|
|
}
|
|
}
|
|
|
|
pub struct BucketAliasTable;
|
|
|
|
impl TableSchema for BucketAliasTable {
|
|
const TABLE_NAME: &'static str = "bucket_alias";
|
|
|
|
type P = EmptyKey;
|
|
type S = String;
|
|
type E = BucketAlias;
|
|
type Filter = DeletedFilter;
|
|
|
|
fn matches_filter(entry: &Self::E, filter: &Self::Filter) -> bool {
|
|
filter.apply(entry.is_deleted())
|
|
}
|
|
}
|
|
|
|
/// Check if a bucket name is valid.
|
|
///
|
|
/// The requirements are listed here:
|
|
///
|
|
/// <https://docs.aws.amazon.com/AmazonS3/latest/userguide/bucketnamingrules.html>
|
|
///
|
|
/// In the case of Garage, bucket names must not be hex-encoded
|
|
/// 32 byte string, which is excluded thanks to the
|
|
/// maximum length of 63 bytes given in the spec.
|
|
pub fn is_valid_bucket_name(n: &str) -> bool {
|
|
// Bucket names must be between 3 and 63 characters
|
|
n.len() >= 3 && n.len() <= 63
|
|
// Bucket names must be composed of lowercase letters, numbers,
|
|
// dashes and dots
|
|
&& n.chars().all(|c| matches!(c, '.' | '-' | 'a'..='z' | '0'..='9'))
|
|
// Bucket names must start and end with a letter or a number
|
|
&& !n.starts_with(&['-', '.'][..])
|
|
&& !n.ends_with(&['-', '.'][..])
|
|
// Bucket names must not be formated as an IP address
|
|
&& n.parse::<std::net::IpAddr>().is_err()
|
|
// Bucket names must not start wih "xn--"
|
|
&& !n.starts_with("xn--")
|
|
// Bucket names must not end with "-s3alias"
|
|
&& !n.ends_with("-s3alias")
|
|
}
|
|
|
|
/// Error message to return for invalid bucket names
|
|
pub const INVALID_BUCKET_NAME_MESSAGE: &str = "Invalid bucket name. See AWS documentation for constraints on S3 bucket names:\nhttps://docs.aws.amazon.com/AmazonS3/latest/userguide/bucketnamingrules.html";
|