+31
constellation/src/lib.rs
+31
constellation/src/lib.rs
···
56
56
pub records: u64,
57
57
pub distinct_dids: u64,
58
58
}
59
+
60
+
// XRPC Error response, as specified at https://atproto.com/specs/xrpc#error-responses
61
+
#[derive(Debug, Serialize)]
62
+
pub struct XError {
63
+
pub error: String,
64
+
pub message: Option<String>,
65
+
}
66
+
67
+
#[macro_export]
68
+
macro_rules! xrpcError {
69
+
($status:expr, $error_name:expr) => {
70
+
(
71
+
$status,
72
+
axum::Json(XError {
73
+
error: format!($error_name),
74
+
message: None,
75
+
}),
76
+
)
77
+
.into_response()
78
+
};
79
+
($status:expr, $error_name:expr, $message:expr) => {
80
+
(
81
+
$status,
82
+
axum::Json(XError {
83
+
error: format!($error_name),
84
+
message: Some($message),
85
+
}),
86
+
)
87
+
.into_response()
88
+
};
89
+
}
+92
-26
constellation/src/server/mod.rs
+92
-26
constellation/src/server/mod.rs
···
1
1
use askama::Template;
2
2
use axum::{
3
-
extract::{Query, Request},
3
+
body::Body,
4
+
extract::{FromRequest, Query, Request},
4
5
http::{self, header},
5
6
middleware::{self, Next},
6
7
response::{IntoResponse, Response},
···
17
18
use tokio::task::spawn_blocking;
18
19
use tokio_util::sync::CancellationToken;
19
20
20
-
use crate::storage::{LinkReader, StorageStats};
21
-
use crate::{CountsByCount, Did, RecordId};
21
+
use crate::{
22
+
storage::{LinkReader, StorageStats},
23
+
xrpcError, CountsByCount, Did, RecordId, XError,
24
+
};
22
25
23
26
mod acceptable;
24
27
mod filters;
···
32
35
DEFAULT_CURSOR_LIMIT
33
36
}
34
37
35
-
fn to500(e: tokio::task::JoinError) -> http::StatusCode {
38
+
fn to500(e: tokio::task::JoinError) -> Response {
36
39
eprintln!("handler error: {e}");
37
-
http::StatusCode::INTERNAL_SERVER_ERROR
40
+
xrpcError!(
41
+
http::StatusCode::INTERNAL_SERVER_ERROR,
42
+
"InternalError",
43
+
format!("The server encountered an internal error, and could not fulfill your request.")
44
+
)
38
45
}
39
46
40
47
pub async fn serve<S, A>(store: S, addr: A, stay_alive: CancellationToken) -> anyhow::Result<()>
···
48
55
"/",
49
56
get({
50
57
let store = store.clone();
51
-
move |accept| async {
52
-
spawn_blocking(|| hello(accept, store))
53
-
.await
54
-
.map_err(to500)?
55
-
}
58
+
move |accept| async { spawn_blocking(|| hello(accept, store)).await.map_err(to500) }
56
59
}),
57
60
)
58
61
.route(
···
62
65
move |accept, query| async {
63
66
spawn_blocking(|| get_many_to_many_counts(accept, query, store))
64
67
.await
65
-
.map_err(to500)?
68
+
.map_err(to500)
66
69
}
67
70
}),
68
71
)
···
73
76
move |accept, query| async {
74
77
spawn_blocking(|| count_links(accept, query, store))
75
78
.await
76
-
.map_err(to500)?
79
+
.map_err(to500)
77
80
}
78
81
}),
79
82
)
···
84
87
move |accept, query| async {
85
88
spawn_blocking(|| count_distinct_dids(accept, query, store))
86
89
.await
87
-
.map_err(to500)?
90
+
.map_err(to500)
88
91
}
89
92
}),
90
93
)
···
93
96
get({
94
97
let store = store.clone();
95
98
move |accept, query| async {
96
-
spawn_blocking(|| get_backlinks(accept, query, store))
99
+
spawn_blocking(|| get_backlinks(accept, query, store).map_err(|e| e))
97
100
.await
98
-
.map_err(to500)?
101
+
.map_err(to500)
99
102
}
100
103
}),
101
104
)
···
106
109
move |accept, query| async {
107
110
spawn_blocking(|| get_links(accept, query, store))
108
111
.await
109
-
.map_err(to500)?
112
+
.map_err(to500)
110
113
}
111
114
}),
112
115
)
···
117
120
move |accept, query| async {
118
121
spawn_blocking(|| get_distinct_dids(accept, query, store))
119
122
.await
120
-
.map_err(to500)?
123
+
.map_err(to500)
121
124
}
122
125
}),
123
126
)
···
129
132
move |accept, query| async {
130
133
spawn_blocking(|| count_all_links(accept, query, store))
131
134
.await
132
-
.map_err(to500)?
135
+
.map_err(to500)
133
136
}
134
137
}),
135
138
)
···
140
143
move |accept, query| async {
141
144
spawn_blocking(|| explore_links(accept, query, store))
142
145
.await
143
-
.map_err(to500)?
146
+
.map_err(to500)
144
147
}
145
148
}),
146
149
)
150
+
.layer(middleware::from_fn(format_error_body))
147
151
.layer(tower_http::cors::CorsLayer::permissive())
148
-
.layer(middleware::from_fn(add_lables))
152
+
.layer(middleware::from_fn(add_labels))
149
153
.layer(MetricLayer::default());
150
154
151
155
let listener = TcpListener::bind(addr).await?;
···
157
161
Ok(())
158
162
}
159
163
160
-
async fn add_lables(request: Request, next: Next) -> Response {
164
+
async fn format_error_body(request: Request, next: Next) -> Response {
165
+
let res = next.run(request).await;
166
+
if res.status().is_success() {
167
+
return res;
168
+
}
169
+
let (o_parts, o_body) = res.into_parts();
170
+
171
+
let body_string = match String::from_request(Request::new(o_body), &()).await {
172
+
Ok(s) => s,
173
+
Err(e) => {
174
+
eprintln!("Failed to extract error body as string: {}", e);
175
+
return xrpcError!(
176
+
http::StatusCode::INTERNAL_SERVER_ERROR,
177
+
"ErrorFormatting",
178
+
format!("Failed to extract error body as string: {}", e)
179
+
);
180
+
}
181
+
};
182
+
183
+
let first_char = body_string.get(..1).unwrap();
184
+
185
+
if first_char.eq("{") {
186
+
return Response::from_parts(o_parts, Body::from(body_string));
187
+
} else {
188
+
return Response::from_parts(
189
+
o_parts,
190
+
axum::Json(XError {
191
+
error: format!("GenericError"),
192
+
message: Some(body_string),
193
+
})
194
+
.into_response()
195
+
.into_body(),
196
+
);
197
+
}
198
+
}
199
+
200
+
async fn add_labels(request: Request, next: Next) -> Response {
161
201
let origin = request
162
202
.headers()
163
203
.get(header::ORIGIN)
···
424
464
#[serde(skip_serializing)]
425
465
path: String,
426
466
}
467
+
427
468
fn get_backlinks(
428
469
accept: ExtractAccept,
429
470
query: axum_extra::extract::Query<GetBacklinksQuery>, // supports multiple param occurrences
430
471
store: impl LinkReader,
431
-
) -> Result<impl IntoResponse, http::StatusCode> {
472
+
) -> Result<impl IntoResponse, Response<Body>> {
432
473
let until = query
433
474
.cursor
434
475
.clone()
435
-
.map(|oc| ApiCursor::try_from(oc).map_err(|_| http::StatusCode::BAD_REQUEST))
476
+
.map(|oc| {
477
+
ApiCursor::try_from(oc).map_err(|err| {
478
+
xrpcError!(
479
+
http::StatusCode::INTERNAL_SERVER_ERROR,
480
+
"ParamsError",
481
+
format!("{}", err)
482
+
)
483
+
})
484
+
})
436
485
.transpose()?
437
486
.map(|c| c.next);
438
487
439
488
let limit = query.limit;
440
489
if limit > DEFAULT_CURSOR_LIMIT_MAX {
441
-
return Err(http::StatusCode::BAD_REQUEST);
490
+
return Ok(xrpcError!(
491
+
http::StatusCode::BAD_REQUEST,
492
+
"LimitOverMax",
493
+
format!(
494
+
"The provided limit parameter is greater than the maximum of {}",
495
+
DEFAULT_CURSOR_LIMIT_MAX
496
+
)
497
+
));
442
498
}
443
499
444
500
let filter_dids: HashSet<Did> = HashSet::from_iter(
···
451
507
);
452
508
453
509
let Some((collection, path)) = query.source.split_once(':') else {
454
-
return Err(http::StatusCode::BAD_REQUEST);
510
+
return Ok(xrpcError!(
511
+
http::StatusCode::BAD_REQUEST,
512
+
"InvalidPath",
513
+
format!("The provided path parameter does not contain a colon.")
514
+
));
455
515
};
456
516
let path = format!(".{path}");
457
517
···
464
524
until,
465
525
&filter_dids,
466
526
)
467
-
.map_err(|_| http::StatusCode::INTERNAL_SERVER_ERROR)?;
527
+
.map_err(|err| {
528
+
xrpcError!(
529
+
http::StatusCode::BAD_REQUEST,
530
+
"QueryError",
531
+
format!("{}", err)
532
+
)
533
+
})?;
468
534
469
535
let cursor = paged.next.map(|next| {
470
536
ApiCursor {
+29
lexicons/blue/microcosm/links/defs.json
+29
lexicons/blue/microcosm/links/defs.json
···
1
+
{
2
+
"lexicon": 1,
3
+
"id": "blue.microcosm.links.defs",
4
+
"defs": {
5
+
"recordId": {
6
+
"type": "object",
7
+
"description": "Describes a record's location.",
8
+
"required": [
9
+
"did",
10
+
"collection",
11
+
"rkey"
12
+
],
13
+
"properties": {
14
+
"did": {
15
+
"type": "string",
16
+
"format": "did"
17
+
},
18
+
"collection": {
19
+
"type": "string",
20
+
"format": "nsid"
21
+
},
22
+
"rkey": {
23
+
"type": "string",
24
+
"format": "record-key"
25
+
}
26
+
}
27
+
}
28
+
}
29
+
}
+82
lexicons/blue/microcosm/links/getBacklinks.json
+82
lexicons/blue/microcosm/links/getBacklinks.json
···
1
+
{
2
+
"lexicon": 1,
3
+
"id": "blue.microcosm.links.getBacklinks",
4
+
"defs": {
5
+
"main": {
6
+
"type": "query",
7
+
"description": "A list of records linking to any record, identity, or uri.",
8
+
"parameters": {
9
+
"type": "params",
10
+
"required": [
11
+
"subject",
12
+
"source"
13
+
],
14
+
"properties": {
15
+
"subject": {
16
+
"type": "string",
17
+
"description": "Can be an AT-URI, plain DID, or regular URI"
18
+
},
19
+
"source": {
20
+
"type": "string",
21
+
"description": "Filter links only from this link source. eg.: `app.bsky.feed.like:subject.uri`"
22
+
},
23
+
"did": {
24
+
"type": "array",
25
+
"items": {
26
+
"type": "string",
27
+
"format": "did"
28
+
}
29
+
},
30
+
"limit": {
31
+
"type": "integer",
32
+
"default": 16,
33
+
"maximum": 100
34
+
}
35
+
}
36
+
},
37
+
"output": {
38
+
"encoding": "application/json",
39
+
"schema": {
40
+
"type": "object",
41
+
"required": [
42
+
"total",
43
+
"records"
44
+
],
45
+
"properties": {
46
+
"total": {
47
+
"type": "integer"
48
+
},
49
+
"records": {
50
+
"type": "array",
51
+
"items": {
52
+
"type": "ref",
53
+
"ref": "blue.microcosm.links.defs#recordId"
54
+
}
55
+
},
56
+
"cursor": {
57
+
"type": "string"
58
+
}
59
+
}
60
+
}
61
+
},
62
+
"errors": [
63
+
{
64
+
"name": "QueryError",
65
+
"description": "An error was encountered while querying the database."
66
+
},
67
+
{
68
+
"name": "ParamsError",
69
+
"description": "An error was encountered while handling query parameters."
70
+
},
71
+
{
72
+
"name": "LimitOverMax",
73
+
"description": "The provided `limit` parameter is greater than the configured maximum."
74
+
},
75
+
{
76
+
"name": "InvalidPath",
77
+
"description": "The provided `path` parameter is invalid."
78
+
}
79
+
]
80
+
}
81
+
}
82
+
}
+90
lexicons/blue/microcosm/links/getManyToManyCounts.json
+90
lexicons/blue/microcosm/links/getManyToManyCounts.json
···
1
+
{
2
+
"lexicon": 1,
3
+
"id": "blue.microcosm.links.getManyToManyCounts",
4
+
"defs": {
5
+
"main": {
6
+
"type": "query",
7
+
"description": "Gets a list of records linked by other records at `pathToOther`, where `source` in the linking record is a link to `subject`.",
8
+
"parameters": {
9
+
"type": "params",
10
+
"required": [
11
+
"subject",
12
+
"source",
13
+
"pathToOther"
14
+
],
15
+
"properties": {
16
+
"subject": {
17
+
"type": "string",
18
+
"description": "Example: `at://did:plc:vc7f4oafdgxsihk4cry2xpze/app.bsky.feed.post/3lgwdn7vd722r`"
19
+
},
20
+
"source": {
21
+
"type": "string",
22
+
"description": "Example: `app.bsky.feed.like:subject.uri`"
23
+
},
24
+
"pathToOther": {
25
+
"description": "Path to the secondary link in the linking record. Example: `otherThing.uri`",
26
+
"type": "string"
27
+
},
28
+
"did": {
29
+
"type": "array",
30
+
"items": {
31
+
"type": "string",
32
+
"format": "did"
33
+
}
34
+
},
35
+
"otherSubject": {
36
+
"type": "string"
37
+
},
38
+
"cursor": {
39
+
"type": "string"
40
+
},
41
+
"limit": {
42
+
"type": "integer",
43
+
"default": 16,
44
+
"maximum": 100
45
+
}
46
+
}
47
+
},
48
+
"output": {
49
+
"encoding": "application/json",
50
+
"schema": {
51
+
"type": "object",
52
+
"required": [
53
+
"counts_by_other_subject"
54
+
],
55
+
"properties": {
56
+
"counts_by_other_subject": {
57
+
"type": "array",
58
+
"items": {
59
+
"type": "ref",
60
+
"ref": "#otherSubjectCount"
61
+
}
62
+
},
63
+
"cursor": {
64
+
"type": "string"
65
+
}
66
+
}
67
+
}
68
+
}
69
+
},
70
+
"otherSubjectCount": {
71
+
"type": "object",
72
+
"required": [
73
+
"subject",
74
+
"total",
75
+
"distinct"
76
+
],
77
+
"properties": {
78
+
"subject": {
79
+
"type": "string"
80
+
},
81
+
"total": {
82
+
"type": "integer"
83
+
},
84
+
"distinct": {
85
+
"type": "integer"
86
+
}
87
+
}
88
+
}
89
+
}
90
+
}
+70
lexicons/com/bad-example/identity/resolveMiniDoc.json
+70
lexicons/com/bad-example/identity/resolveMiniDoc.json
···
1
+
{
2
+
"lexicon": 1,
3
+
"id": "com.bad-example.identity.resolveMiniDoc",
4
+
"defs": {
5
+
"main": {
6
+
"type": "query",
7
+
"description": "Like com.atproto.identity.resolveIdentity but instead of the full didDoc it returns an atproto-relevant subset.",
8
+
"parameters": {
9
+
"type": "params",
10
+
"required": [
11
+
"identifier"
12
+
],
13
+
"properties": {
14
+
"identifier": {
15
+
"type": "string",
16
+
"format": "at-identifier",
17
+
"description": "Handle or DID to resolve."
18
+
}
19
+
}
20
+
},
21
+
"output": {
22
+
"encoding": "application/json",
23
+
"schema": {
24
+
"type": "ref",
25
+
"ref": "#miniDoc"
26
+
}
27
+
},
28
+
"errors": [
29
+
{
30
+
"name": "HandleNotFound",
31
+
"description": "The resolution process confirmed that the handle does not resolve to any DID."
32
+
},
33
+
{
34
+
"name": "DidNotFound",
35
+
"description": "The DID resolution process confirmed that there is no current DID."
36
+
},
37
+
{
38
+
"name": "DidDeactivated",
39
+
"description": "The DID previously existed, but has been deactivated."
40
+
}
41
+
]
42
+
},
43
+
"miniDoc": {
44
+
"type": "object",
45
+
"required": [
46
+
"did",
47
+
"handle",
48
+
"pds",
49
+
"signing_key"
50
+
],
51
+
"properties": {
52
+
"did": {
53
+
"type": "string",
54
+
"format": "did"
55
+
},
56
+
"handle": {
57
+
"type": "string",
58
+
"format": "handle"
59
+
},
60
+
"pds": {
61
+
"type": "string",
62
+
"format": "uri"
63
+
},
64
+
"signing_key": {
65
+
"type": "string"
66
+
}
67
+
}
68
+
}
69
+
}
70
+
}
+59
lexicons/com/bad-example/repo/getUriRecord.json
+59
lexicons/com/bad-example/repo/getUriRecord.json
···
1
+
{
2
+
"lexicon": 1,
3
+
"id": "com.bad-example.repo.getUriRecord",
4
+
"defs": {
5
+
"main": {
6
+
"type": "query",
7
+
"description": "Ergonomic complement to com.atproto.repo.getRecord which accepts an at-uri instead of individual repo/collection/rkey params",
8
+
"parameters": {
9
+
"type": "params",
10
+
"required": [
11
+
"at_uri"
12
+
],
13
+
"properties": {
14
+
"at_uri": {
15
+
"type": "string",
16
+
"format": "at-uri",
17
+
"description": "The at-uri of the record. The identifier can be a DID or an atproto handle, and the collection and rkey segments must be present."
18
+
},
19
+
"cid": {
20
+
"type": "string",
21
+
"format": "cid",
22
+
"description": "The CID of the version of the record. If not specified, then return the most recent version."
23
+
}
24
+
}
25
+
},
26
+
"output": {
27
+
"encoding": "application/json",
28
+
"schema": {
29
+
"type": "object",
30
+
"required": [
31
+
"uri",
32
+
"value"
33
+
],
34
+
"properties": {
35
+
"uri": {
36
+
"type": "string",
37
+
"format": "at-uri"
38
+
},
39
+
"cid": {
40
+
"type": "string",
41
+
"format": "cid"
42
+
},
43
+
"value": {
44
+
"type": "unknown"
45
+
}
46
+
}
47
+
}
48
+
},
49
+
"errors": [
50
+
{
51
+
"name": "RecordNotFound"
52
+
},
53
+
{
54
+
"name": "InvalidRequest"
55
+
}
56
+
]
57
+
}
58
+
}
59
+
}