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BucketWebsite (#174)

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fix #77

this does not store anything but a on/off switch for website, and does not implement GetBucketWebsite as it would require storing more. GetBucketWebsite should be pretty easy to implement once data is stored though.

Co-authored-by: Trinity Pointard <trinity.pointard@gmail.com>
Reviewed-on: https://git.deuxfleurs.fr/Deuxfleurs/garage/pulls/174
Co-authored-by: trinity-1686a <trinity.pointard@gmail.com>
Co-committed-by: trinity-1686a <trinity.pointard@gmail.com>
This commit is contained in:
trinity-1686a 2021-12-15 10:41:39 +01:00 committed by Alex
parent 3b3a1f275f
commit 60d4459926
4 changed files with 318 additions and 4 deletions
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5
src/api/api_server.rs
View file

@ -22,6 +22,7 @@ use crate::s3_get::*;
use crate::s3_list::*;
use crate::s3_put::*;
use crate::s3_router::{Authorization, Endpoint};
use crate::s3_website::*;
/// Run the S3 API server
pub async fn run_api_server(
@ -254,6 +255,10 @@ async fn handler_inner(garage: Arc<Garage>, req: Request<Body>) -> Result<Respon
Endpoint::DeleteObjects { bucket } => {
handle_delete_objects(garage, &bucket, req, content_sha256).await
}
Endpoint::PutBucketWebsite { bucket } => {
handle_put_website(garage, bucket, req, content_sha256).await
}
Endpoint::DeleteBucketWebsite { bucket } => handle_delete_website(garage, bucket).await,
endpoint => Err(Error::NotImplemented(endpoint.name().to_owned())),
}
}

1
src/api/lib.rs
View file

@ -20,4 +20,5 @@ pub mod s3_get;
mod s3_list;
mod s3_put;
mod s3_router;
mod s3_website;
mod s3_xml;

308
src/api/s3_website.rs Normal file
View file

@ -0,0 +1,308 @@
use quick_xml::de::from_reader;
use std::sync::Arc;
use hyper::{Body, Request, Response, StatusCode};
use serde::{Deserialize, Serialize};
use crate::error::*;
use crate::s3_xml::{xmlns_tag, IntValue, Value};
use crate::signature::verify_signed_content;
use garage_model::bucket_table::BucketState;
use garage_model::garage::Garage;
use garage_table::*;
use garage_util::data::Hash;
pub async fn handle_delete_website(
garage: Arc<Garage>,
bucket: String,
) -> Result<Response<Body>, Error> {
let mut bucket = garage
.bucket_table
.get(&EmptyKey, &bucket)
.await?
.ok_or(Error::NotFound)?;
if let BucketState::Present(state) = bucket.state.get_mut() {
state.website.update(false);
garage.bucket_table.insert(&bucket).await?;
}
Ok(Response::builder()
.status(StatusCode::NO_CONTENT)
.body(Body::from(vec![]))
.unwrap())
}
pub async fn handle_put_website(
garage: Arc<Garage>,
bucket: String,
req: Request<Body>,
content_sha256: Option<Hash>,
) -> Result<Response<Body>, Error> {
let body = hyper::body::to_bytes(req.into_body()).await?;
verify_signed_content(content_sha256, &body[..])?;
let mut bucket = garage
.bucket_table
.get(&EmptyKey, &bucket)
.await?
.ok_or(Error::NotFound)?;
let conf: WebsiteConfiguration = from_reader(&body as &[u8])?;
conf.validate()?;
if let BucketState::Present(state) = bucket.state.get_mut() {
state.website.update(true);
garage.bucket_table.insert(&bucket).await?;
}
Ok(Response::builder()
.status(StatusCode::OK)
.body(Body::from(vec![]))
.unwrap())
}
#[derive(Debug, Serialize, Deserialize, PartialEq, Eq, PartialOrd, Ord)]
pub struct WebsiteConfiguration {
#[serde(serialize_with = "xmlns_tag", skip_deserializing)]
pub xmlns: (),
#[serde(rename = "ErrorDocument")]
pub error_document: Option<Key>,
#[serde(rename = "IndexDocument")]
pub index_document: Option<Suffix>,
#[serde(rename = "RedirectAllRequestsTo")]
pub redirect_all_requests_to: Option<Target>,
#[serde(rename = "RoutingRules")]
pub routing_rules: Option<Vec<RoutingRule>>,
}
#[derive(Debug, Serialize, Deserialize, PartialEq, Eq, PartialOrd, Ord)]
pub struct RoutingRule {
#[serde(rename = "RoutingRule")]
pub inner: RoutingRuleInner,
}
#[derive(Debug, Serialize, Deserialize, PartialEq, Eq, PartialOrd, Ord)]
pub struct RoutingRuleInner {
#[serde(rename = "Condition")]
pub condition: Option<Condition>,
#[serde(rename = "Redirect")]
pub redirect: Redirect,
}
#[derive(Debug, Serialize, Deserialize, PartialEq, Eq, PartialOrd, Ord)]
pub struct Key {
#[serde(rename = "Key")]
pub key: Value,
}
#[derive(Debug, Serialize, Deserialize, PartialEq, Eq, PartialOrd, Ord)]
pub struct Suffix {
#[serde(rename = "Suffix")]
pub suffix: Value,
}
#[derive(Debug, Serialize, Deserialize, PartialEq, Eq, PartialOrd, Ord)]
pub struct Target {
#[serde(rename = "HostName")]
pub hostname: Value,
#[serde(rename = "Protocol")]
pub protocol: Option<Value>,
}
#[derive(Debug, Serialize, Deserialize, PartialEq, Eq, PartialOrd, Ord)]
pub struct Condition {
#[serde(rename = "HttpErrorCodeReturnedEquals")]
pub http_error_code: Option<IntValue>,
#[serde(rename = "KeyPrefixEquals")]
pub prefix: Option<Value>,
}
#[derive(Debug, Serialize, Deserialize, PartialEq, Eq, PartialOrd, Ord)]
pub struct Redirect {
#[serde(rename = "HostName")]
pub hostname: Option<Value>,
#[serde(rename = "Protocol")]
pub protocol: Option<Value>,
#[serde(rename = "HttpRedirectCode")]
pub http_redirect_code: Option<IntValue>,
#[serde(rename = "ReplaceKeyPrefixWith")]
pub replace_prefix: Option<Value>,
#[serde(rename = "ReplaceKeyWith")]
pub replace_full: Option<Value>,
}
impl WebsiteConfiguration {
pub fn validate(&self) -> Result<(), Error> {
if self.redirect_all_requests_to.is_some()
&& (self.error_document.is_some()
|| self.index_document.is_some()
|| self.routing_rules.is_some())
{
return Err(Error::BadRequest(
"Bad XML: can't have RedirectAllRequestsTo and other fields".to_owned(),
));
}
if let Some(ref ed) = self.error_document {
ed.validate()?;
}
if let Some(ref id) = self.index_document {
id.validate()?;
}
if let Some(ref rart) = self.redirect_all_requests_to {
rart.validate()?;
}
if let Some(ref rrs) = self.routing_rules {
for rr in rrs {
rr.inner.validate()?;
}
}
Ok(())
}
}
impl Key {
pub fn validate(&self) -> Result<(), Error> {
if self.key.0.is_empty() {
Err(Error::BadRequest(
"Bad XML: error document specified but empty".to_owned(),
))
} else {
Ok(())
}
}
}
impl Suffix {
pub fn validate(&self) -> Result<(), Error> {
if self.suffix.0.is_empty() | self.suffix.0.contains('/') {
Err(Error::BadRequest(
"Bad XML: index document is empty or contains /".to_owned(),
))
} else {
Ok(())
}
}
}
impl Target {
pub fn validate(&self) -> Result<(), Error> {
if let Some(ref protocol) = self.protocol {
if protocol.0 != "http" && protocol.0 != "https" {
return Err(Error::BadRequest("Bad XML: invalid protocol".to_owned()));
}
}
Ok(())
}
}
impl RoutingRuleInner {
pub fn validate(&self) -> Result<(), Error> {
let has_prefix = self
.condition
.as_ref()
.map(|c| c.prefix.as_ref())
.flatten()
.is_some();
self.redirect.validate(has_prefix)
}
}
impl Redirect {
pub fn validate(&self, has_prefix: bool) -> Result<(), Error> {
if self.replace_prefix.is_some() {
if self.replace_full.is_some() {
return Err(Error::BadRequest(
"Bad XML: both ReplaceKeyPrefixWith and ReplaceKeyWith are set".to_owned(),
));
}
if !has_prefix {
return Err(Error::BadRequest(
"Bad XML: ReplaceKeyPrefixWith is set, but KeyPrefixEquals isn't".to_owned(),
));
}
}
if let Some(ref protocol) = self.protocol {
if protocol.0 != "http" && protocol.0 != "https" {
return Err(Error::BadRequest("Bad XML: invalid protocol".to_owned()));
}
}
// TODO there are probably more invalide cases, but which ones?
Ok(())
}
}
#[cfg(test)]
mod tests {
use super::*;
use quick_xml::de::from_str;
#[test]
fn test_deserialize() {
let message = r#"<?xml version="1.0" encoding="UTF-8"?>
<WebsiteConfiguration xmlns="http://s3.amazonaws.com/doc/2006-03-01/">
<ErrorDocument>
<Key>my-error-doc</Key>
</ErrorDocument>
<IndexDocument>
<Suffix>my-index</Suffix>
</IndexDocument>
<RedirectAllRequestsTo>
<HostName>garage.tld</HostName>
<Protocol>https</Protocol>
</RedirectAllRequestsTo>
<RoutingRules>
<RoutingRule>
<Condition>
<HttpErrorCodeReturnedEquals>404</HttpErrorCodeReturnedEquals>
<KeyPrefixEquals>prefix1</KeyPrefixEquals>
</Condition>
<Redirect>
<HostName>gara.ge</HostName>
<Protocol>http</Protocol>
<HttpRedirectCode>303</HttpRedirectCode>
<ReplaceKeyPrefixWith>prefix2</ReplaceKeyPrefixWith>
<ReplaceKeyWith>fullkey</ReplaceKeyWith>
</Redirect>
</RoutingRule>
</RoutingRules>
</WebsiteConfiguration>"#;
let conf: WebsiteConfiguration = from_str(message).unwrap();
let ref_value = WebsiteConfiguration {
xmlns: (),
error_document: Some(Key {
key: Value("my-error-doc".to_owned()),
}),
index_document: Some(Suffix {
suffix: Value("my-index".to_owned()),
}),
redirect_all_requests_to: Some(Target {
hostname: Value("garage.tld".to_owned()),
protocol: Some(Value("https".to_owned())),
}),
routing_rules: Some(vec![RoutingRule {
inner: RoutingRuleInner {
condition: Some(Condition {
http_error_code: Some(IntValue(404)),
prefix: Some(Value("prefix1".to_owned())),
}),
redirect: Redirect {
hostname: Some(Value("gara.ge".to_owned())),
protocol: Some(Value("http".to_owned())),
http_redirect_code: Some(IntValue(303)),
replace_prefix: Some(Value("prefix2".to_owned())),
replace_full: Some(Value("fullkey".to_owned())),
},
},
}]),
};
assert_eq! {
ref_value,
conf
}
// TODO verify result is ok
// TODO cycle back and verify if ok
}
}

8
src/api/s3_xml.rs
View file

@ -1,5 +1,5 @@
use quick_xml::se::to_string;
use serde::{Serialize, Serializer};
use serde::{Deserialize, Serialize, Serializer};
use crate::Error as ApiError;
@ -9,14 +9,14 @@ pub fn to_xml_with_header<T: Serialize>(x: &T) -> Result<String, ApiError> {
Ok(xml)
}
fn xmlns_tag<S: Serializer>(_v: &(), s: S) -> Result<S::Ok, S::Error> {
pub fn xmlns_tag<S: Serializer>(_v: &(), s: S) -> Result<S::Ok, S::Error> {
s.serialize_str("http://s3.amazonaws.com/doc/2006-03-01/")
}
#[derive(Debug, Serialize, PartialEq)]
#[derive(Debug, Serialize, Deserialize, PartialEq, Eq, PartialOrd, Ord)]
pub struct Value(#[serde(rename = "$value")] pub String);
#[derive(Debug, Serialize, PartialEq)]
#[derive(Debug, Serialize, Deserialize, PartialEq, Eq, PartialOrd, Ord)]
pub struct IntValue(#[serde(rename = "$value")] pub i64);
#[derive(Debug, Serialize, PartialEq)]