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authorEllie Huxtable <ellie@elliehuxtable.com>2024-04-18 16:41:28 +0100
committerGitHub <noreply@github.com>2024-04-18 16:41:28 +0100
commit95cc472037fcb3207b510e67f1a44af4e2a2cae9 (patch)
treefc1d3e71d8e0bdb806370e4144fd6f373bcc9c5e /atuin-dotfiles/src/store.rs
parentfeat: show preview auto (#1804) (diff)
downloadatuin-95cc472037fcb3207b510e67f1a44af4e2a2cae9.zip
chore: move crates into crates/ dir (#1958)
I'd like to tidy up the root a little, and it's nice to have all the rust crates in one place
Diffstat (limited to 'atuin-dotfiles/src/store.rs')
-rw-r--r--atuin-dotfiles/src/store.rs364
1 files changed, 0 insertions, 364 deletions
diff --git a/atuin-dotfiles/src/store.rs b/atuin-dotfiles/src/store.rs
deleted file mode 100644
index 425a5e1e..00000000
--- a/atuin-dotfiles/src/store.rs
+++ /dev/null
@@ -1,364 +0,0 @@
-use std::collections::BTreeMap;
-
-use atuin_client::record::sqlite_store::SqliteStore;
-// Sync aliases
-// This will be noticeable similar to the kv store, though I expect the two shall diverge
-// While we will support a range of shell config, I'd rather have a larger number of small records
-// + stores, rather than one mega config store.
-use atuin_common::record::{DecryptedData, Host, HostId};
-use eyre::{bail, ensure, eyre, Result};
-
-use atuin_client::record::encryption::PASETO_V4;
-use atuin_client::record::store::Store;
-
-use crate::shell::Alias;
-
-const CONFIG_SHELL_ALIAS_VERSION: &str = "v0";
-const CONFIG_SHELL_ALIAS_TAG: &str = "config-shell-alias";
-const CONFIG_SHELL_ALIAS_FIELD_MAX_LEN: usize = 20000; // 20kb max total len, way more than should be needed.
-
-#[derive(Debug, Clone, PartialEq, Eq)]
-pub enum AliasRecord {
- Create(Alias), // create a full record
- Delete(String), // delete by name
-}
-
-impl AliasRecord {
- pub fn serialize(&self) -> Result<DecryptedData> {
- use rmp::encode;
-
- let mut output = vec![];
-
- match self {
- AliasRecord::Create(alias) => {
- encode::write_u8(&mut output, 0)?; // create
- encode::write_array_len(&mut output, 2)?; // 2 fields
-
- encode::write_str(&mut output, alias.name.as_str())?;
- encode::write_str(&mut output, alias.value.as_str())?;
- }
- AliasRecord::Delete(name) => {
- encode::write_u8(&mut output, 1)?; // delete
- encode::write_array_len(&mut output, 1)?; // 1 field
-
- encode::write_str(&mut output, name.as_str())?;
- }
- }
-
- Ok(DecryptedData(output))
- }
-
- pub fn deserialize(data: &DecryptedData, version: &str) -> Result<Self> {
- use rmp::decode;
-
- fn error_report<E: std::fmt::Debug>(err: E) -> eyre::Report {
- eyre!("{err:?}")
- }
-
- match version {
- CONFIG_SHELL_ALIAS_VERSION => {
- let mut bytes = decode::Bytes::new(&data.0);
-
- let record_type = decode::read_u8(&mut bytes).map_err(error_report)?;
-
- match record_type {
- // create
- 0 => {
- let nfields = decode::read_array_len(&mut bytes).map_err(error_report)?;
- ensure!(
- nfields == 2,
- "too many entries in v0 shell alias create record"
- );
-
- let bytes = bytes.remaining_slice();
-
- let (key, bytes) =
- decode::read_str_from_slice(bytes).map_err(error_report)?;
- let (value, bytes) =
- decode::read_str_from_slice(bytes).map_err(error_report)?;
-
- if !bytes.is_empty() {
- bail!("trailing bytes in encoded shell alias record. malformed")
- }
-
- Ok(AliasRecord::Create(Alias {
- name: key.to_owned(),
- value: value.to_owned(),
- }))
- }
-
- // delete
- 1 => {
- let nfields = decode::read_array_len(&mut bytes).map_err(error_report)?;
- ensure!(
- nfields == 1,
- "too many entries in v0 shell alias delete record"
- );
-
- let bytes = bytes.remaining_slice();
-
- let (key, bytes) =
- decode::read_str_from_slice(bytes).map_err(error_report)?;
-
- if !bytes.is_empty() {
- bail!("trailing bytes in encoded shell alias record. malformed")
- }
-
- Ok(AliasRecord::Delete(key.to_owned()))
- }
-
- n => {
- bail!("unknown AliasRecord type {n}")
- }
- }
- }
- _ => {
- bail!("unknown version {version:?}")
- }
- }
- }
-}
-
-#[derive(Debug, Clone)]
-pub struct AliasStore {
- pub store: SqliteStore,
- pub host_id: HostId,
- pub encryption_key: [u8; 32],
-}
-
-impl AliasStore {
- // will want to init the actual kv store when that is done
- pub fn new(store: SqliteStore, host_id: HostId, encryption_key: [u8; 32]) -> AliasStore {
- AliasStore {
- store,
- host_id,
- encryption_key,
- }
- }
-
- pub async fn posix(&self) -> Result<String> {
- let aliases = self.aliases().await?;
-
- let mut config = String::new();
-
- for alias in aliases {
- config.push_str(&format!("alias {}='{}'\n", alias.name, alias.value));
- }
-
- Ok(config)
- }
-
- pub async fn xonsh(&self) -> Result<String> {
- let aliases = self.aliases().await?;
-
- let mut config = String::new();
-
- for alias in aliases {
- config.push_str(&format!("aliases['{}'] ='{}'\n", alias.name, alias.value));
- }
-
- Ok(config)
- }
-
- pub async fn build(&self) -> Result<()> {
- let dir = atuin_common::utils::dotfiles_cache_dir();
- tokio::fs::create_dir_all(dir.clone()).await?;
-
- // Build for all supported shells
- let posix = self.posix().await?;
- let xonsh = self.xonsh().await?;
-
- // All the same contents, maybe optimize in the future or perhaps there will be quirks
- // per-shell
- // I'd prefer separation atm
- let zsh = dir.join("aliases.zsh");
- let bash = dir.join("aliases.bash");
- let fish = dir.join("aliases.fish");
- let xsh = dir.join("aliases.xsh");
-
- tokio::fs::write(zsh, &posix).await?;
- tokio::fs::write(bash, &posix).await?;
- tokio::fs::write(fish, &posix).await?;
- tokio::fs::write(xsh, &xonsh).await?;
-
- Ok(())
- }
-
- pub async fn set(&self, name: &str, value: &str) -> Result<()> {
- if name.len() + value.len() > CONFIG_SHELL_ALIAS_FIELD_MAX_LEN {
- return Err(eyre!(
- "alias record too large: max len {} bytes",
- CONFIG_SHELL_ALIAS_FIELD_MAX_LEN
- ));
- }
-
- let record = AliasRecord::Create(Alias {
- name: name.to_string(),
- value: value.to_string(),
- });
-
- let bytes = record.serialize()?;
-
- let idx = self
- .store
- .last(self.host_id, CONFIG_SHELL_ALIAS_TAG)
- .await?
- .map_or(0, |entry| entry.idx + 1);
-
- let record = atuin_common::record::Record::builder()
- .host(Host::new(self.host_id))
- .version(CONFIG_SHELL_ALIAS_VERSION.to_string())
- .tag(CONFIG_SHELL_ALIAS_TAG.to_string())
- .idx(idx)
- .data(bytes)
- .build();
-
- self.store
- .push(&record.encrypt::<PASETO_V4>(&self.encryption_key))
- .await?;
-
- // set mutates shell config, so build again
- self.build().await?;
-
- Ok(())
- }
-
- pub async fn delete(&self, name: &str) -> Result<()> {
- if name.len() > CONFIG_SHELL_ALIAS_FIELD_MAX_LEN {
- return Err(eyre!(
- "alias record too large: max len {} bytes",
- CONFIG_SHELL_ALIAS_FIELD_MAX_LEN
- ));
- }
-
- let record = AliasRecord::Delete(name.to_string());
-
- let bytes = record.serialize()?;
-
- let idx = self
- .store
- .last(self.host_id, CONFIG_SHELL_ALIAS_TAG)
- .await?
- .map_or(0, |entry| entry.idx + 1);
-
- let record = atuin_common::record::Record::builder()
- .host(Host::new(self.host_id))
- .version(CONFIG_SHELL_ALIAS_VERSION.to_string())
- .tag(CONFIG_SHELL_ALIAS_TAG.to_string())
- .idx(idx)
- .data(bytes)
- .build();
-
- self.store
- .push(&record.encrypt::<PASETO_V4>(&self.encryption_key))
- .await?;
-
- // delete mutates shell config, so build again
- self.build().await?;
-
- Ok(())
- }
-
- pub async fn aliases(&self) -> Result<Vec<Alias>> {
- let mut build = BTreeMap::new();
-
- // this is sorted, oldest to newest
- let tagged = self.store.all_tagged(CONFIG_SHELL_ALIAS_TAG).await?;
-
- for record in tagged {
- let version = record.version.clone();
-
- let decrypted = match version.as_str() {
- CONFIG_SHELL_ALIAS_VERSION => record.decrypt::<PASETO_V4>(&self.encryption_key)?,
- version => bail!("unknown version {version:?}"),
- };
-
- let ar = AliasRecord::deserialize(&decrypted.data, version.as_str())?;
-
- match ar {
- AliasRecord::Create(a) => {
- build.insert(a.name.clone(), a);
- }
- AliasRecord::Delete(d) => {
- build.remove(&d);
- }
- }
- }
-
- Ok(build.into_values().collect())
- }
-}
-
-#[cfg(test)]
-pub(crate) fn test_sqlite_store_timeout() -> f64 {
- std::env::var("ATUIN_TEST_SQLITE_STORE_TIMEOUT")
- .ok()
- .and_then(|x| x.parse().ok())
- .unwrap_or(0.1)
-}
-
-#[cfg(test)]
-mod tests {
- use rand::rngs::OsRng;
-
- use atuin_client::record::sqlite_store::SqliteStore;
-
- use crate::shell::Alias;
-
- use super::{test_sqlite_store_timeout, AliasRecord, AliasStore, CONFIG_SHELL_ALIAS_VERSION};
- use crypto_secretbox::{KeyInit, XSalsa20Poly1305};
-
- #[test]
- fn encode_decode() {
- let record = Alias {
- name: "k".to_owned(),
- value: "kubectl".to_owned(),
- };
- let record = AliasRecord::Create(record);
-
- let snapshot = [204, 0, 146, 161, 107, 167, 107, 117, 98, 101, 99, 116, 108];
-
- let encoded = record.serialize().unwrap();
- let decoded = AliasRecord::deserialize(&encoded, CONFIG_SHELL_ALIAS_VERSION).unwrap();
-
- assert_eq!(encoded.0, &snapshot);
- assert_eq!(decoded, record);
- }
-
- #[tokio::test]
- async fn build_aliases() {
- let store = SqliteStore::new(":memory:", test_sqlite_store_timeout())
- .await
- .unwrap();
- let key: [u8; 32] = XSalsa20Poly1305::generate_key(&mut OsRng).into();
- let host_id = atuin_common::record::HostId(atuin_common::utils::uuid_v7());
-
- let alias = AliasStore::new(store, host_id, key);
-
- alias.set("k", "kubectl").await.unwrap();
-
- alias.set("gp", "git push").await.unwrap();
-
- let mut aliases = alias.aliases().await.unwrap();
-
- aliases.sort_by_key(|a| a.name.clone());
-
- assert_eq!(aliases.len(), 2);
-
- assert_eq!(
- aliases[0],
- Alias {
- name: String::from("gp"),
- value: String::from("git push")
- }
- );
-
- assert_eq!(
- aliases[1],
- Alias {
- name: String::from("k"),
- value: String::from("kubectl")
- }
- );
- }
-}