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/*
* SPDX-FileCopyrightText: 2020 Stalwart Labs Ltd <hello@stalw.art>
*
* SPDX-License-Identifier: AGPL-3.0-only OR LicenseRef-SEL
*/
use elasticsearch::{
auth::Credentials,
cert::CertificateValidation,
http::{
response::Response,
transport::{SingleNodeConnectionPool, Transport, TransportBuilder},
StatusCode, Url,
},
indices::{IndicesCreateParts, IndicesExistsParts},
Elasticsearch, Error,
};
use serde_json::json;
use utils::config::{utils::AsKey, Config};
pub mod index;
pub mod query;
pub struct ElasticSearchStore {
index: Elasticsearch,
}
pub(crate) static INDEX_NAMES: &[&str] = &["stalwart_email"];
impl ElasticSearchStore {
pub async fn open(config: &mut Config, prefix: impl AsKey) -> Option<Self> {
let prefix = prefix.as_key();
let credentials = if let Some(user) = config.value((&prefix, "user")) {
let user = user.to_string();
let password = config
.value_require((&prefix, "password"))
.unwrap_or_default();
Some(Credentials::Basic(user, password.to_string()))
} else {
None
};
let es = if let Some(url) = config.value((&prefix, "url")) {
let url = Url::parse(url)
.map_err(|e| config.new_parse_error((&prefix, "url"), format!("Invalid URL: {e}",)))
.ok()?;
let conn_pool = SingleNodeConnectionPool::new(url);
let mut builder = TransportBuilder::new(conn_pool);
if let Some(credentials) = credentials {
builder = builder.auth(credentials);
}
if config
.property_or_default::<bool>((&prefix, "tls.allow-invalid-certs"), "false")
.unwrap_or(false)
{
builder = builder.cert_validation(CertificateValidation::None);
}
Self {
index: Elasticsearch::new(
builder
.build()
.map_err(|err| config.new_build_error(prefix.as_str(), err.to_string()))
.ok()?,
),
}
} else {
let credentials = credentials.unwrap_or_else(|| {
config.new_build_error((&prefix, "user"), "Missing property");
Credentials::Basic("".to_string(), "".to_string())
});
if let Some(cloud_id) = config.value((&prefix, "cloud-id")) {
Self {
index: Elasticsearch::new(
Transport::cloud(cloud_id, credentials)
.map_err(|err| config.new_build_error(prefix.as_str(), err.to_string()))
.ok()?,
),
}
} else {
config.new_parse_error(
prefix.as_str(),
"Missing url or cloud_id for ElasticSearch store",
);
return None;
}
};
if let Err(err) = es
.create_index(
config
.property_or_default((&prefix, "index.shards"), "3")
.unwrap_or(3),
config
.property_or_default((&prefix, "index.replicas"), "0")
.unwrap_or(0),
)
.await
{
config.new_build_error(prefix.as_str(), err.to_string());
}
Some(es)
}
async fn create_index(&self, shards: usize, replicas: usize) -> trc::Result<()> {
let exists = self
.index
.indices()
.exists(IndicesExistsParts::Index(&[INDEX_NAMES[0]]))
.send()
.await
.map_err(|err| trc::StoreEvent::ElasticsearchError.reason(err))?;
if exists.status_code() == StatusCode::NOT_FOUND {
let response = self
.index
.indices()
.create(IndicesCreateParts::Index(INDEX_NAMES[0]))
.body(json!({
"mappings": {
"properties": {
"document_id": {
"type": "integer"
},
"account_id": {
"type": "integer"
},
"header": {
"type": "object",
"properties": {
"name": {
"type": "keyword"
},
"value": {
"type": "text",
"analyzer": "default_analyzer",
}
}
},
"body": {
"analyzer": "default_analyzer",
"type": "text"
},
"attachment": {
"analyzer": "default_analyzer",
"type": "text"
},
"keyword": {
"type": "keyword"
}
}
},
"settings": {
"index.number_of_shards": shards,
"index.number_of_replicas": replicas,
"analysis": {
"analyzer": {
"default_analyzer": {
"type": "custom",
"tokenizer": "standard",
"filter": ["lowercase"]
}
}
}
}
}))
.send()
.await;
assert_success(response).await?;
}
Ok(())
}
}
pub(crate) async fn assert_success(response: Result<Response, Error>) -> trc::Result<Response> {
match response {
Ok(response) => {
let status = response.status_code();
if status.is_success() {
Ok(response)
} else {
Err(trc::StoreEvent::ElasticsearchError
.reason(response.text().await.unwrap_or_default())
.ctx(trc::Key::Code, status.as_u16()))
}
}
Err(err) => Err(trc::StoreEvent::ElasticsearchError.reason(err)),
}
}
|
