1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
|
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::*;
use garage_model::garage::Garage;
use garage_table::*;
use garage_util::crdt;
use garage_util::data::*;
pub async fn handle_delete_website(
garage: Arc<Garage>,
bucket_id: Uuid,
) -> Result<Response<Body>, Error> {
let mut bucket = garage
.bucket_table
.get(&bucket_id, &EmptyKey)
.await?
.ok_or(Error::NotFound)?;
if let crdt::Deletable::Present(param) = &mut bucket.state {
param.website_config.update(None);
garage.bucket_table.insert(&bucket).await?;
} else {
unreachable!();
}
Ok(Response::builder()
.status(StatusCode::NO_CONTENT)
.body(Body::from(vec![]))
.unwrap())
}
pub async fn handle_put_website(
garage: Arc<Garage>,
bucket_id: Uuid,
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(&bucket_id, &EmptyKey)
.await?
.ok_or(Error::NotFound)?;
let conf: WebsiteConfiguration = from_reader(&body as &[u8])?;
conf.validate()?;
if let crdt::Deletable::Present(param) = &mut bucket.state {
param
.website_config
.update(Some(conf.into_garage_website_config()?));
garage.bucket_table.insert(&bucket).await?;
} else {
unreachable!();
}
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(())
}
pub fn into_garage_website_config(self) -> Result<WebsiteConfig, Error> {
if self.redirect_all_requests_to.is_some() {
Err(Error::NotImplemented(
"S3 website redirects are not currently implemented in Garage.".into(),
))
} else if self.routing_rules.map(|x| !x.is_empty()).unwrap_or(false) {
Err(Error::NotImplemented(
"S3 routing rules are not currently implemented in Garage.".into(),
))
} else {
Ok(WebsiteConfig {
index_document: self
.index_document
.map(|x| x.suffix.0)
.unwrap_or_else(|| "index.html".to_string()),
error_document: self.error_document.map(|x| x.key.0),
})
}
}
}
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
}
}
|
