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-rw-r--r--src/api/s3/lifecycle.rs401
1 files changed, 401 insertions, 0 deletions
diff --git a/src/api/s3/lifecycle.rs b/src/api/s3/lifecycle.rs
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+++ b/src/api/s3/lifecycle.rs
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+use quick_xml::de::from_reader;
+use std::sync::Arc;
+
+use hyper::{Body, Request, Response, StatusCode};
+
+use serde::{Deserialize, Serialize};
+
+use crate::s3::error::*;
+use crate::s3::xml::{to_xml_with_header, xmlns_tag, IntValue, Value};
+use crate::signature::verify_signed_content;
+
+use garage_model::bucket_table::{
+ parse_lifecycle_date, Bucket, LifecycleExpiration as GarageLifecycleExpiration,
+ LifecycleFilter as GarageLifecycleFilter, LifecycleRule as GarageLifecycleRule,
+};
+use garage_model::garage::Garage;
+use garage_util::data::*;
+
+pub async fn handle_get_lifecycle(bucket: &Bucket) -> Result<Response<Body>, Error> {
+ let param = bucket
+ .params()
+ .ok_or_internal_error("Bucket should not be deleted at this point")?;
+
+ if let Some(lifecycle) = param.lifecycle_config.get() {
+ let wc = LifecycleConfiguration::from_garage_lifecycle_config(lifecycle);
+ let xml = to_xml_with_header(&wc)?;
+ Ok(Response::builder()
+ .status(StatusCode::OK)
+ .header(http::header::CONTENT_TYPE, "application/xml")
+ .body(Body::from(xml))?)
+ } else {
+ Ok(Response::builder()
+ .status(StatusCode::NO_CONTENT)
+ .body(Body::empty())?)
+ }
+}
+
+pub async fn handle_delete_lifecycle(
+ garage: Arc<Garage>,
+ mut bucket: Bucket,
+) -> Result<Response<Body>, Error> {
+ let param = bucket
+ .params_mut()
+ .ok_or_internal_error("Bucket should not be deleted at this point")?;
+
+ param.lifecycle_config.update(None);
+ garage.bucket_table.insert(&bucket).await?;
+
+ Ok(Response::builder()
+ .status(StatusCode::NO_CONTENT)
+ .body(Body::empty())?)
+}
+
+pub async fn handle_put_lifecycle(
+ garage: Arc<Garage>,
+ mut bucket: Bucket,
+ req: Request<Body>,
+ content_sha256: Option<Hash>,
+) -> Result<Response<Body>, Error> {
+ let body = hyper::body::to_bytes(req.into_body()).await?;
+
+ if let Some(content_sha256) = content_sha256 {
+ verify_signed_content(content_sha256, &body[..])?;
+ }
+
+ let param = bucket
+ .params_mut()
+ .ok_or_internal_error("Bucket should not be deleted at this point")?;
+
+ let conf: LifecycleConfiguration = from_reader(&body as &[u8])?;
+ let config = conf
+ .validate_into_garage_lifecycle_config()
+ .ok_or_bad_request("Invalid lifecycle configuration")?;
+
+ param.lifecycle_config.update(Some(config));
+ garage.bucket_table.insert(&bucket).await?;
+
+ Ok(Response::builder()
+ .status(StatusCode::OK)
+ .body(Body::empty())?)
+}
+
+// ---- SERIALIZATION AND DESERIALIZATION TO/FROM S3 XML ----
+
+#[derive(Debug, Serialize, Deserialize, PartialEq, Eq, PartialOrd, Ord)]
+pub struct LifecycleConfiguration {
+ #[serde(serialize_with = "xmlns_tag", skip_deserializing)]
+ pub xmlns: (),
+ #[serde(rename = "Rule")]
+ pub lifecycle_rules: Vec<LifecycleRule>,
+}
+
+#[derive(Debug, Serialize, Deserialize, PartialEq, Eq, PartialOrd, Ord)]
+pub struct LifecycleRule {
+ #[serde(rename = "ID")]
+ pub id: Option<Value>,
+ #[serde(rename = "Status")]
+ pub status: Value,
+ #[serde(rename = "Filter", default)]
+ pub filter: Option<Filter>,
+ #[serde(rename = "Expiration", default)]
+ pub expiration: Option<Expiration>,
+ #[serde(rename = "AbortIncompleteMultipartUpload", default)]
+ pub abort_incomplete_mpu: Option<AbortIncompleteMpu>,
+}
+
+#[derive(Debug, Serialize, Deserialize, PartialEq, Eq, PartialOrd, Ord, Default)]
+pub struct Filter {
+ #[serde(rename = "And")]
+ pub and: Option<Box<Filter>>,
+ #[serde(rename = "Prefix")]
+ pub prefix: Option<Value>,
+ #[serde(rename = "ObjectSizeGreaterThan")]
+ pub size_gt: Option<IntValue>,
+ #[serde(rename = "ObjectSizeLessThan")]
+ pub size_lt: Option<IntValue>,
+}
+
+#[derive(Debug, Serialize, Deserialize, PartialEq, Eq, PartialOrd, Ord)]
+pub struct Expiration {
+ #[serde(rename = "Days")]
+ pub days: Option<IntValue>,
+ #[serde(rename = "Date")]
+ pub at_date: Option<Value>,
+}
+
+#[derive(Debug, Serialize, Deserialize, PartialEq, Eq, PartialOrd, Ord)]
+pub struct AbortIncompleteMpu {
+ #[serde(rename = "DaysAfterInitiation")]
+ pub days: IntValue,
+}
+
+impl LifecycleConfiguration {
+ pub fn validate_into_garage_lifecycle_config(
+ self,
+ ) -> Result<Vec<GarageLifecycleRule>, &'static str> {
+ let mut ret = vec![];
+ for rule in self.lifecycle_rules {
+ ret.push(rule.validate_into_garage_lifecycle_rule()?);
+ }
+ Ok(ret)
+ }
+
+ pub fn from_garage_lifecycle_config(config: &[GarageLifecycleRule]) -> Self {
+ Self {
+ xmlns: (),
+ lifecycle_rules: config
+ .iter()
+ .map(LifecycleRule::from_garage_lifecycle_rule)
+ .collect(),
+ }
+ }
+}
+
+impl LifecycleRule {
+ pub fn validate_into_garage_lifecycle_rule(self) -> Result<GarageLifecycleRule, &'static str> {
+ let enabled = match self.status.0.as_str() {
+ "Enabled" => true,
+ "Disabled" => false,
+ _ => return Err("invalid value for <Status>"),
+ };
+
+ let filter = self
+ .filter
+ .map(Filter::validate_into_garage_lifecycle_filter)
+ .transpose()?
+ .unwrap_or_default();
+
+ let abort_incomplete_mpu_days = self.abort_incomplete_mpu.map(|x| x.days.0 as usize);
+
+ let expiration = self
+ .expiration
+ .map(Expiration::validate_into_garage_lifecycle_expiration)
+ .transpose()?;
+
+ Ok(GarageLifecycleRule {
+ id: self.id.map(|x| x.0),
+ enabled,
+ filter,
+ abort_incomplete_mpu_days,
+ expiration,
+ })
+ }
+
+ pub fn from_garage_lifecycle_rule(rule: &GarageLifecycleRule) -> Self {
+ Self {
+ id: rule.id.as_deref().map(Value::from),
+ status: if rule.enabled {
+ Value::from("Enabled")
+ } else {
+ Value::from("Disabled")
+ },
+ filter: Filter::from_garage_lifecycle_filter(&rule.filter),
+ abort_incomplete_mpu: rule
+ .abort_incomplete_mpu_days
+ .map(|days| AbortIncompleteMpu {
+ days: IntValue(days as i64),
+ }),
+ expiration: rule
+ .expiration
+ .as_ref()
+ .map(Expiration::from_garage_lifecycle_expiration),
+ }
+ }
+}
+
+impl Filter {
+ pub fn count(&self) -> i32 {
+ fn count<T>(x: &Option<T>) -> i32 {
+ x.as_ref().map(|_| 1).unwrap_or(0)
+ }
+ count(&self.prefix) + count(&self.size_gt) + count(&self.size_lt)
+ }
+
+ pub fn validate_into_garage_lifecycle_filter(
+ self,
+ ) -> Result<GarageLifecycleFilter, &'static str> {
+ if self.count() > 0 && self.and.is_some() {
+ Err("Filter tag cannot contain both <And> and another condition")
+ } else if let Some(and) = self.and {
+ if and.and.is_some() {
+ return Err("Nested <And> tags");
+ }
+ Ok(and.internal_into_garage_lifecycle_filter())
+ } else if self.count() > 1 {
+ Err("Multiple Filter conditions must be wrapped in an <And> tag")
+ } else {
+ Ok(self.internal_into_garage_lifecycle_filter())
+ }
+ }
+
+ fn internal_into_garage_lifecycle_filter(self) -> GarageLifecycleFilter {
+ GarageLifecycleFilter {
+ prefix: self.prefix.map(|x| x.0),
+ size_gt: self.size_gt.map(|x| x.0 as u64),
+ size_lt: self.size_lt.map(|x| x.0 as u64),
+ }
+ }
+
+ pub fn from_garage_lifecycle_filter(rule: &GarageLifecycleFilter) -> Option<Self> {
+ let filter = Filter {
+ and: None,
+ prefix: rule.prefix.as_deref().map(Value::from),
+ size_gt: rule.size_gt.map(|x| IntValue(x as i64)),
+ size_lt: rule.size_lt.map(|x| IntValue(x as i64)),
+ };
+ match filter.count() {
+ 0 => None,
+ 1 => Some(filter),
+ _ => Some(Filter {
+ and: Some(Box::new(filter)),
+ ..Default::default()
+ }),
+ }
+ }
+}
+
+impl Expiration {
+ pub fn validate_into_garage_lifecycle_expiration(
+ self,
+ ) -> Result<GarageLifecycleExpiration, &'static str> {
+ match (self.days, self.at_date) {
+ (Some(_), Some(_)) => Err("cannot have both <Days> and <Date> in <Expiration>"),
+ (None, None) => Err("<Expiration> must contain either <Days> or <Date>"),
+ (Some(days), None) => Ok(GarageLifecycleExpiration::AfterDays(days.0 as usize)),
+ (None, Some(date)) => {
+ parse_lifecycle_date(&date.0)?;
+ Ok(GarageLifecycleExpiration::AtDate(date.0))
+ }
+ }
+ }
+
+ pub fn from_garage_lifecycle_expiration(exp: &GarageLifecycleExpiration) -> Self {
+ match exp {
+ GarageLifecycleExpiration::AfterDays(days) => Expiration {
+ days: Some(IntValue(*days as i64)),
+ at_date: None,
+ },
+ GarageLifecycleExpiration::AtDate(date) => Expiration {
+ days: None,
+ at_date: Some(Value(date.to_string())),
+ },
+ }
+ }
+}
+
+#[cfg(test)]
+mod tests {
+ use super::*;
+
+ use quick_xml::de::from_str;
+
+ #[test]
+ fn test_deserialize_lifecycle_config() -> Result<(), Error> {
+ let message = r#"<?xml version="1.0" encoding="UTF-8"?>
+<LifecycleConfiguration xmlns="http://s3.amazonaws.com/doc/2006-03-01/">
+ <Rule>
+ <ID>id1</ID>
+ <Status>Enabled</Status>
+ <Filter>
+ <Prefix>documents/</Prefix>
+ </Filter>
+ <AbortIncompleteMultipartUpload>
+ <DaysAfterInitiation>7</DaysAfterInitiation>
+ </AbortIncompleteMultipartUpload>
+ </Rule>
+ <Rule>
+ <ID>id2</ID>
+ <Status>Enabled</Status>
+ <Filter>
+ <And>
+ <Prefix>logs/</Prefix>
+ <ObjectSizeGreaterThan>1000000</ObjectSizeGreaterThan>
+ </And>
+ </Filter>
+ <Expiration>
+ <Days>365</Days>
+ </Expiration>
+ </Rule>
+</LifecycleConfiguration>"#;
+ let conf: LifecycleConfiguration = from_str(message).unwrap();
+ let ref_value = LifecycleConfiguration {
+ xmlns: (),
+ lifecycle_rules: vec![
+ LifecycleRule {
+ id: Some("id1".into()),
+ status: "Enabled".into(),
+ filter: Some(Filter {
+ prefix: Some("documents/".into()),
+ ..Default::default()
+ }),
+ expiration: None,
+ abort_incomplete_mpu: Some(AbortIncompleteMpu { days: IntValue(7) }),
+ },
+ LifecycleRule {
+ id: Some("id2".into()),
+ status: "Enabled".into(),
+ filter: Some(Filter {
+ and: Some(Box::new(Filter {
+ prefix: Some("logs/".into()),
+ size_gt: Some(IntValue(1000000)),
+ ..Default::default()
+ })),
+ ..Default::default()
+ }),
+ expiration: Some(Expiration {
+ days: Some(IntValue(365)),
+ at_date: None,
+ }),
+ abort_incomplete_mpu: None,
+ },
+ ],
+ };
+ assert_eq! {
+ ref_value,
+ conf
+ };
+
+ let message2 = to_xml_with_header(&ref_value)?;
+
+ let cleanup = |c: &str| c.replace(char::is_whitespace, "");
+ assert_eq!(cleanup(message), cleanup(&message2));
+
+ // Check validation
+ let validated = ref_value
+ .validate_into_garage_lifecycle_config()
+ .ok_or_bad_request("invalid xml config")?;
+
+ let ref_config = vec![
+ GarageLifecycleRule {
+ id: Some("id1".into()),
+ enabled: true,
+ filter: GarageLifecycleFilter {
+ prefix: Some("documents/".into()),
+ ..Default::default()
+ },
+ expiration: None,
+ abort_incomplete_mpu_days: Some(7),
+ },
+ GarageLifecycleRule {
+ id: Some("id2".into()),
+ enabled: true,
+ filter: GarageLifecycleFilter {
+ prefix: Some("logs/".into()),
+ size_gt: Some(1000000),
+ ..Default::default()
+ },
+ expiration: Some(GarageLifecycleExpiration::AfterDays(365)),
+ abort_incomplete_mpu_days: None,
+ },
+ ];
+ assert_eq!(validated, ref_config);
+
+ let message3 = to_xml_with_header(&LifecycleConfiguration::from_garage_lifecycle_config(
+ &validated,
+ ))?;
+ assert_eq!(cleanup(message), cleanup(&message3));
+
+ Ok(())
+ }
+}
generated by cgit v1.2.3 (git 2.25.1) at 2024-09-20 13:42:36 +0000