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lewis.moe
1use crate::api::ApiError;
2use crate::plc::PlcClient;
3use crate::state::AppState;
4use axum::{
5 Json,
6 extract::State,
7 http::StatusCode,
8 response::{IntoResponse, Response},
9};
10use bcrypt::verify;
11use chrono::{Duration, Utc};
12use cid::Cid;
13use jacquard_repo::commit::Commit;
14use jacquard_repo::storage::BlockStore;
15use k256::ecdsa::SigningKey;
16use serde::{Deserialize, Serialize};
17use serde_json::json;
18use std::str::FromStr;
19use tracing::{error, info, warn};
20use uuid::Uuid;
21
22#[derive(Serialize)]
23#[serde(rename_all = "camelCase")]
24pub struct CheckAccountStatusOutput {
25 pub activated: bool,
26 pub valid_did: bool,
27 pub repo_commit: String,
28 pub repo_rev: String,
29 pub repo_blocks: i64,
30 pub indexed_records: i64,
31 pub private_state_values: i64,
32 pub expected_blobs: i64,
33 pub imported_blobs: i64,
34}
35
36pub async fn check_account_status(
37 State(state): State<AppState>,
38 headers: axum::http::HeaderMap,
39) -> Response {
40 let extracted = match crate::auth::extract_auth_token_from_header(
41 headers.get("Authorization").and_then(|h| h.to_str().ok()),
42 ) {
43 Some(t) => t,
44 None => return ApiError::AuthenticationRequired.into_response(),
45 };
46 let dpop_proof = headers.get("DPoP").and_then(|h| h.to_str().ok());
47 let http_uri = format!(
48 "https://{}/xrpc/com.atproto.server.checkAccountStatus",
49 std::env::var("PDS_HOSTNAME").unwrap_or_else(|_| "localhost".to_string())
50 );
51 let did = match crate::auth::validate_token_with_dpop(
52 &state.db,
53 &extracted.token,
54 extracted.is_dpop,
55 dpop_proof,
56 "GET",
57 &http_uri,
58 true,
59 )
60 .await
61 {
62 Ok(user) => user.did,
63 Err(e) => return ApiError::from(e).into_response(),
64 };
65 let user_id = match sqlx::query_scalar!("SELECT id FROM users WHERE did = $1", did)
66 .fetch_optional(&state.db)
67 .await
68 {
69 Ok(Some(id)) => id,
70 _ => {
71 return (
72 StatusCode::INTERNAL_SERVER_ERROR,
73 Json(json!({"error": "InternalError"})),
74 )
75 .into_response();
76 }
77 };
78 let user_status = sqlx::query!("SELECT deactivated_at FROM users WHERE did = $1", did)
79 .fetch_optional(&state.db)
80 .await;
81 let deactivated_at = match user_status {
82 Ok(Some(row)) => row.deactivated_at,
83 _ => None,
84 };
85 let repo_result = sqlx::query!(
86 "SELECT repo_root_cid, repo_rev FROM repos WHERE user_id = $1",
87 user_id
88 )
89 .fetch_optional(&state.db)
90 .await;
91 let (repo_commit, repo_rev_from_db) = match repo_result {
92 Ok(Some(row)) => (row.repo_root_cid, row.repo_rev),
93 _ => (String::new(), None),
94 };
95 let block_count: i64 = sqlx::query_scalar!(
96 "SELECT COUNT(*) FROM user_blocks WHERE user_id = $1",
97 user_id
98 )
99 .fetch_one(&state.db)
100 .await
101 .unwrap_or(Some(0))
102 .unwrap_or(0);
103 let repo_rev = if let Some(rev) = repo_rev_from_db {
104 rev
105 } else if !repo_commit.is_empty() {
106 if let Ok(cid) = Cid::from_str(&repo_commit) {
107 if let Ok(Some(block)) = state.block_store.get(&cid).await {
108 Commit::from_cbor(&block)
109 .ok()
110 .map(|c| c.rev().to_string())
111 .unwrap_or_default()
112 } else {
113 String::new()
114 }
115 } else {
116 String::new()
117 }
118 } else {
119 String::new()
120 };
121 let record_count: i64 =
122 sqlx::query_scalar!("SELECT COUNT(*) FROM records WHERE repo_id = $1", user_id)
123 .fetch_one(&state.db)
124 .await
125 .unwrap_or(Some(0))
126 .unwrap_or(0);
127 let imported_blobs: i64 = sqlx::query_scalar!(
128 "SELECT COUNT(*) FROM blobs WHERE created_by_user = $1",
129 user_id
130 )
131 .fetch_one(&state.db)
132 .await
133 .unwrap_or(Some(0))
134 .unwrap_or(0);
135 let expected_blobs: i64 = sqlx::query_scalar!(
136 "SELECT COUNT(DISTINCT blob_cid) FROM record_blobs WHERE repo_id = $1",
137 user_id
138 )
139 .fetch_one(&state.db)
140 .await
141 .unwrap_or(Some(0))
142 .unwrap_or(0);
143 let valid_did = is_valid_did_for_service(&state.db, &did).await;
144 (
145 StatusCode::OK,
146 Json(CheckAccountStatusOutput {
147 activated: deactivated_at.is_none(),
148 valid_did,
149 repo_commit: repo_commit.clone(),
150 repo_rev,
151 repo_blocks: block_count as i64,
152 indexed_records: record_count,
153 private_state_values: 0,
154 expected_blobs,
155 imported_blobs,
156 }),
157 )
158 .into_response()
159}
160
161async fn is_valid_did_for_service(db: &sqlx::PgPool, did: &str) -> bool {
162 assert_valid_did_document_for_service(db, did, false)
163 .await
164 .is_ok()
165}
166
167async fn assert_valid_did_document_for_service(
168 db: &sqlx::PgPool,
169 did: &str,
170 with_retry: bool,
171) -> Result<(), (StatusCode, Json<serde_json::Value>)> {
172 let hostname = std::env::var("PDS_HOSTNAME").unwrap_or_else(|_| "localhost".to_string());
173 let expected_endpoint = format!("https://{}", hostname);
174
175 if did.starts_with("did:plc:") {
176 let plc_client = PlcClient::new(None);
177
178 let max_attempts = if with_retry { 5 } else { 1 };
179 let mut last_error = None;
180 let mut doc_data = None;
181 for attempt in 0..max_attempts {
182 if attempt > 0 {
183 let delay_ms = 500 * (1 << (attempt - 1));
184 info!(
185 "Waiting {}ms before retry {} for DID document validation ({})",
186 delay_ms, attempt, did
187 );
188 tokio::time::sleep(tokio::time::Duration::from_millis(delay_ms)).await;
189 }
190
191 match plc_client.get_document_data(did).await {
192 Ok(data) => {
193 let pds_endpoint = data
194 .get("services")
195 .and_then(|s| s.get("atproto_pds").or_else(|| s.get("atprotoPds")))
196 .and_then(|p| p.get("endpoint"))
197 .and_then(|e| e.as_str());
198
199 if pds_endpoint == Some(&expected_endpoint) {
200 doc_data = Some(data);
201 break;
202 } else {
203 info!(
204 "Attempt {}: DID {} has endpoint {:?}, expected {} - retrying",
205 attempt + 1,
206 did,
207 pds_endpoint,
208 expected_endpoint
209 );
210 last_error = Some(format!(
211 "DID document endpoint {:?} does not match expected {}",
212 pds_endpoint, expected_endpoint
213 ));
214 }
215 }
216 Err(e) => {
217 warn!(
218 "Attempt {}: Failed to fetch PLC document for {}: {:?}",
219 attempt + 1,
220 did,
221 e
222 );
223 last_error = Some(format!("Could not resolve DID document: {}", e));
224 }
225 }
226 }
227
228 let doc_data = match doc_data {
229 Some(d) => d,
230 None => {
231 return Err((
232 StatusCode::BAD_REQUEST,
233 Json(json!({
234 "error": "InvalidRequest",
235 "message": last_error.unwrap_or_else(|| "DID document validation failed".to_string())
236 })),
237 ));
238 }
239 };
240
241 let server_rotation_key = std::env::var("PLC_ROTATION_KEY").ok();
242 if let Some(ref expected_rotation_key) = server_rotation_key {
243 let rotation_keys = doc_data
244 .get("rotationKeys")
245 .and_then(|v| v.as_array())
246 .map(|arr| arr.iter().filter_map(|k| k.as_str()).collect::<Vec<_>>())
247 .unwrap_or_default();
248 if !rotation_keys.contains(&expected_rotation_key.as_str()) {
249 return Err((
250 StatusCode::BAD_REQUEST,
251 Json(json!({
252 "error": "InvalidRequest",
253 "message": "Server rotation key not included in PLC DID data"
254 })),
255 ));
256 }
257 }
258
259 let doc_signing_key = doc_data
260 .get("verificationMethods")
261 .and_then(|v| v.get("atproto"))
262 .and_then(|k| k.as_str());
263
264 let user_row = sqlx::query!(
265 "SELECT uk.key_bytes, uk.encryption_version FROM user_keys uk JOIN users u ON uk.user_id = u.id WHERE u.did = $1",
266 did
267 )
268 .fetch_optional(db)
269 .await
270 .map_err(|e| {
271 error!("Failed to fetch user key: {:?}", e);
272 (
273 StatusCode::INTERNAL_SERVER_ERROR,
274 Json(json!({"error": "InternalError"})),
275 )
276 })?;
277
278 if let Some(row) = user_row {
279 let key_bytes = crate::config::decrypt_key(&row.key_bytes, row.encryption_version)
280 .map_err(|e| {
281 error!("Failed to decrypt user key: {}", e);
282 (
283 StatusCode::INTERNAL_SERVER_ERROR,
284 Json(json!({"error": "InternalError"})),
285 )
286 })?;
287 let signing_key = SigningKey::from_slice(&key_bytes).map_err(|e| {
288 error!("Failed to create signing key: {:?}", e);
289 (
290 StatusCode::INTERNAL_SERVER_ERROR,
291 Json(json!({"error": "InternalError"})),
292 )
293 })?;
294 let expected_did_key = crate::plc::signing_key_to_did_key(&signing_key);
295
296 if doc_signing_key != Some(&expected_did_key) {
297 warn!(
298 "DID {} has signing key {:?}, expected {}",
299 did, doc_signing_key, expected_did_key
300 );
301 return Err((
302 StatusCode::BAD_REQUEST,
303 Json(json!({
304 "error": "InvalidRequest",
305 "message": "DID document verification method does not match expected signing key"
306 })),
307 ));
308 }
309 }
310 } else if let Some(host_and_path) = did.strip_prefix("did:web:") {
311 let client = reqwest::Client::new();
312 let decoded = host_and_path.replace("%3A", ":");
313 let parts: Vec<&str> = decoded.split(':').collect();
314 let (host, path_parts) = if parts.len() > 1 && parts[1].chars().all(|c| c.is_ascii_digit())
315 {
316 (format!("{}:{}", parts[0], parts[1]), parts[2..].to_vec())
317 } else {
318 (parts[0].to_string(), parts[1..].to_vec())
319 };
320 let scheme =
321 if host.starts_with("localhost") || host.starts_with("127.") || host.contains(':') {
322 "http"
323 } else {
324 "https"
325 };
326 let url = if path_parts.is_empty() {
327 format!("{}://{}/.well-known/did.json", scheme, host)
328 } else {
329 format!("{}://{}/{}/did.json", scheme, host, path_parts.join("/"))
330 };
331 let resp = client.get(&url).send().await.map_err(|e| {
332 warn!("Failed to fetch did:web document for {}: {:?}", did, e);
333 (
334 StatusCode::BAD_REQUEST,
335 Json(json!({
336 "error": "InvalidRequest",
337 "message": format!("Could not resolve DID document: {}", e)
338 })),
339 )
340 })?;
341 let doc: serde_json::Value = resp.json().await.map_err(|e| {
342 warn!("Failed to parse did:web document for {}: {:?}", did, e);
343 (
344 StatusCode::BAD_REQUEST,
345 Json(json!({
346 "error": "InvalidRequest",
347 "message": format!("Could not parse DID document: {}", e)
348 })),
349 )
350 })?;
351
352 let pds_endpoint = doc
353 .get("service")
354 .and_then(|s| s.as_array())
355 .and_then(|arr| {
356 arr.iter().find(|svc| {
357 svc.get("id").and_then(|id| id.as_str()) == Some("#atproto_pds")
358 || svc.get("type").and_then(|t| t.as_str())
359 == Some("AtprotoPersonalDataServer")
360 })
361 })
362 .and_then(|svc| svc.get("serviceEndpoint"))
363 .and_then(|e| e.as_str());
364
365 if pds_endpoint != Some(&expected_endpoint) {
366 warn!(
367 "DID {} has endpoint {:?}, expected {}",
368 did, pds_endpoint, expected_endpoint
369 );
370 return Err((
371 StatusCode::BAD_REQUEST,
372 Json(json!({
373 "error": "InvalidRequest",
374 "message": "DID document atproto_pds service endpoint does not match PDS public url"
375 })),
376 ));
377 }
378 }
379
380 Ok(())
381}
382
383pub async fn activate_account(
384 State(state): State<AppState>,
385 headers: axum::http::HeaderMap,
386) -> Response {
387 info!("[MIGRATION] activateAccount called");
388 let extracted = match crate::auth::extract_auth_token_from_header(
389 headers.get("Authorization").and_then(|h| h.to_str().ok()),
390 ) {
391 Some(t) => t,
392 None => {
393 info!("[MIGRATION] activateAccount: No auth token");
394 return ApiError::AuthenticationRequired.into_response();
395 }
396 };
397 let dpop_proof = headers.get("DPoP").and_then(|h| h.to_str().ok());
398 let http_uri = format!(
399 "https://{}/xrpc/com.atproto.server.activateAccount",
400 std::env::var("PDS_HOSTNAME").unwrap_or_else(|_| "localhost".to_string())
401 );
402 let auth_user = match crate::auth::validate_token_with_dpop(
403 &state.db,
404 &extracted.token,
405 extracted.is_dpop,
406 dpop_proof,
407 "POST",
408 &http_uri,
409 true,
410 )
411 .await
412 {
413 Ok(user) => user,
414 Err(e) => {
415 info!("[MIGRATION] activateAccount: Auth failed: {:?}", e);
416 return ApiError::from(e).into_response();
417 }
418 };
419 info!(
420 "[MIGRATION] activateAccount: Authenticated user did={}",
421 auth_user.did
422 );
423
424 if let Err(e) = crate::auth::scope_check::check_account_scope(
425 auth_user.is_oauth,
426 auth_user.scope.as_deref(),
427 crate::oauth::scopes::AccountAttr::Repo,
428 crate::oauth::scopes::AccountAction::Manage,
429 ) {
430 info!("[MIGRATION] activateAccount: Scope check failed");
431 return e;
432 }
433
434 let did = auth_user.did;
435
436 info!(
437 "[MIGRATION] activateAccount: Validating DID document for did={}",
438 did
439 );
440 let did_validation_start = std::time::Instant::now();
441 if let Err((status, json)) = assert_valid_did_document_for_service(&state.db, &did, true).await
442 {
443 info!(
444 "[MIGRATION] activateAccount: DID document validation FAILED for {} (took {:?})",
445 did,
446 did_validation_start.elapsed()
447 );
448 return (status, json).into_response();
449 }
450 info!(
451 "[MIGRATION] activateAccount: DID document validation SUCCESS for {} (took {:?})",
452 did,
453 did_validation_start.elapsed()
454 );
455
456 let handle = sqlx::query_scalar!("SELECT handle FROM users WHERE did = $1", did)
457 .fetch_optional(&state.db)
458 .await
459 .ok()
460 .flatten();
461 info!(
462 "[MIGRATION] activateAccount: Activating account did={} handle={:?}",
463 did, handle
464 );
465 let result = sqlx::query!("UPDATE users SET deactivated_at = NULL WHERE did = $1", did)
466 .execute(&state.db)
467 .await;
468 match result {
469 Ok(_) => {
470 info!(
471 "[MIGRATION] activateAccount: DB update success for did={}",
472 did
473 );
474 if let Some(ref h) = handle {
475 let _ = state.cache.delete(&format!("handle:{}", h)).await;
476 }
477 info!(
478 "[MIGRATION] activateAccount: Sequencing account event (active=true) for did={}",
479 did
480 );
481 if let Err(e) =
482 crate::api::repo::record::sequence_account_event(&state, &did, true, None).await
483 {
484 warn!(
485 "[MIGRATION] activateAccount: Failed to sequence account activation event: {}",
486 e
487 );
488 } else {
489 info!("[MIGRATION] activateAccount: Account event sequenced successfully");
490 }
491 info!(
492 "[MIGRATION] activateAccount: Sequencing identity event for did={} handle={:?}",
493 did, handle
494 );
495 if let Err(e) =
496 crate::api::repo::record::sequence_identity_event(&state, &did, handle.as_deref())
497 .await
498 {
499 warn!(
500 "[MIGRATION] activateAccount: Failed to sequence identity event for activation: {}",
501 e
502 );
503 } else {
504 info!("[MIGRATION] activateAccount: Identity event sequenced successfully");
505 }
506 let repo_root = sqlx::query_scalar!(
507 "SELECT r.repo_root_cid FROM repos r JOIN users u ON r.user_id = u.id WHERE u.did = $1",
508 did
509 )
510 .fetch_optional(&state.db)
511 .await
512 .ok()
513 .flatten();
514 if let Some(root_cid) = repo_root {
515 info!(
516 "[MIGRATION] activateAccount: Sequencing sync event for did={} root_cid={}",
517 did, root_cid
518 );
519 let rev = if let Ok(cid) = Cid::from_str(&root_cid) {
520 if let Ok(Some(block)) = state.block_store.get(&cid).await {
521 Commit::from_cbor(&block).ok().map(|c| c.rev().to_string())
522 } else {
523 None
524 }
525 } else {
526 None
527 };
528 if let Err(e) = crate::api::repo::record::sequence_sync_event(
529 &state,
530 &did,
531 &root_cid,
532 rev.as_deref(),
533 )
534 .await
535 {
536 warn!(
537 "[MIGRATION] activateAccount: Failed to sequence sync event for activation: {}",
538 e
539 );
540 } else {
541 info!("[MIGRATION] activateAccount: Sync event sequenced successfully");
542 }
543 } else {
544 warn!(
545 "[MIGRATION] activateAccount: No repo root found for did={}",
546 did
547 );
548 }
549 info!("[MIGRATION] activateAccount: SUCCESS for did={}", did);
550 (StatusCode::OK, Json(json!({}))).into_response()
551 }
552 Err(e) => {
553 error!(
554 "[MIGRATION] activateAccount: DB error activating account: {:?}",
555 e
556 );
557 (
558 StatusCode::INTERNAL_SERVER_ERROR,
559 Json(json!({"error": "InternalError"})),
560 )
561 .into_response()
562 }
563 }
564}
565
566#[derive(Deserialize)]
567#[serde(rename_all = "camelCase")]
568pub struct DeactivateAccountInput {
569 pub delete_after: Option<String>,
570}
571
572pub async fn deactivate_account(
573 State(state): State<AppState>,
574 headers: axum::http::HeaderMap,
575 Json(input): Json<DeactivateAccountInput>,
576) -> Response {
577 let extracted = match crate::auth::extract_auth_token_from_header(
578 headers.get("Authorization").and_then(|h| h.to_str().ok()),
579 ) {
580 Some(t) => t,
581 None => return ApiError::AuthenticationRequired.into_response(),
582 };
583 let dpop_proof = headers.get("DPoP").and_then(|h| h.to_str().ok());
584 let http_uri = format!(
585 "https://{}/xrpc/com.atproto.server.deactivateAccount",
586 std::env::var("PDS_HOSTNAME").unwrap_or_else(|_| "localhost".to_string())
587 );
588 let auth_user = match crate::auth::validate_token_with_dpop(
589 &state.db,
590 &extracted.token,
591 extracted.is_dpop,
592 dpop_proof,
593 "POST",
594 &http_uri,
595 false,
596 )
597 .await
598 {
599 Ok(user) => user,
600 Err(e) => return ApiError::from(e).into_response(),
601 };
602
603 if let Err(e) = crate::auth::scope_check::check_account_scope(
604 auth_user.is_oauth,
605 auth_user.scope.as_deref(),
606 crate::oauth::scopes::AccountAttr::Repo,
607 crate::oauth::scopes::AccountAction::Manage,
608 ) {
609 return e;
610 }
611
612 let delete_after: Option<chrono::DateTime<chrono::Utc>> = input
613 .delete_after
614 .as_ref()
615 .and_then(|s| chrono::DateTime::parse_from_rfc3339(s).ok())
616 .map(|dt| dt.with_timezone(&chrono::Utc));
617
618 let did = auth_user.did;
619
620 let handle = sqlx::query_scalar!("SELECT handle FROM users WHERE did = $1", did)
621 .fetch_optional(&state.db)
622 .await
623 .ok()
624 .flatten();
625
626 let result = sqlx::query!(
627 "UPDATE users SET deactivated_at = NOW(), delete_after = $2 WHERE did = $1",
628 did,
629 delete_after
630 )
631 .execute(&state.db)
632 .await;
633
634 match result {
635 Ok(_) => {
636 if let Some(ref h) = handle {
637 let _ = state.cache.delete(&format!("handle:{}", h)).await;
638 }
639 if let Err(e) = crate::api::repo::record::sequence_account_event(
640 &state,
641 &did,
642 false,
643 Some("deactivated"),
644 )
645 .await
646 {
647 warn!("Failed to sequence account deactivated event: {}", e);
648 }
649 (StatusCode::OK, Json(json!({}))).into_response()
650 }
651 Err(e) => {
652 error!("DB error deactivating account: {:?}", e);
653 (
654 StatusCode::INTERNAL_SERVER_ERROR,
655 Json(json!({"error": "InternalError"})),
656 )
657 .into_response()
658 }
659 }
660}
661
662pub async fn request_account_delete(
663 State(state): State<AppState>,
664 headers: axum::http::HeaderMap,
665) -> Response {
666 let extracted = match crate::auth::extract_auth_token_from_header(
667 headers.get("Authorization").and_then(|h| h.to_str().ok()),
668 ) {
669 Some(t) => t,
670 None => return ApiError::AuthenticationRequired.into_response(),
671 };
672 let dpop_proof = headers.get("DPoP").and_then(|h| h.to_str().ok());
673 let http_uri = format!(
674 "https://{}/xrpc/com.atproto.server.requestAccountDelete",
675 std::env::var("PDS_HOSTNAME").unwrap_or_else(|_| "localhost".to_string())
676 );
677 let validated = match crate::auth::validate_token_with_dpop(
678 &state.db,
679 &extracted.token,
680 extracted.is_dpop,
681 dpop_proof,
682 "POST",
683 &http_uri,
684 true,
685 )
686 .await
687 {
688 Ok(user) => user,
689 Err(e) => return ApiError::from(e).into_response(),
690 };
691 let did = validated.did.clone();
692
693 if !crate::api::server::reauth::check_legacy_session_mfa(&state.db, &did).await {
694 return crate::api::server::reauth::legacy_mfa_required_response(&state.db, &did).await;
695 }
696
697 let user_id = match sqlx::query_scalar!("SELECT id FROM users WHERE did = $1", did)
698 .fetch_optional(&state.db)
699 .await
700 {
701 Ok(Some(id)) => id,
702 _ => {
703 return (
704 StatusCode::INTERNAL_SERVER_ERROR,
705 Json(json!({"error": "InternalError"})),
706 )
707 .into_response();
708 }
709 };
710 let confirmation_token = Uuid::new_v4().to_string();
711 let expires_at = Utc::now() + Duration::minutes(15);
712 let insert = sqlx::query!(
713 "INSERT INTO account_deletion_requests (token, did, expires_at) VALUES ($1, $2, $3)",
714 confirmation_token,
715 did,
716 expires_at
717 )
718 .execute(&state.db)
719 .await;
720 if let Err(e) = insert {
721 error!("DB error creating deletion token: {:?}", e);
722 return (
723 StatusCode::INTERNAL_SERVER_ERROR,
724 Json(json!({"error": "InternalError"})),
725 )
726 .into_response();
727 }
728 let hostname = std::env::var("PDS_HOSTNAME").unwrap_or_else(|_| "localhost".to_string());
729 if let Err(e) =
730 crate::comms::enqueue_account_deletion(&state.db, user_id, &confirmation_token, &hostname)
731 .await
732 {
733 warn!("Failed to enqueue account deletion notification: {:?}", e);
734 }
735 info!("Account deletion requested for user {}", did);
736 (StatusCode::OK, Json(json!({}))).into_response()
737}
738
739#[derive(Deserialize)]
740pub struct DeleteAccountInput {
741 pub did: String,
742 pub password: String,
743 pub token: String,
744}
745
746pub async fn delete_account(
747 State(state): State<AppState>,
748 Json(input): Json<DeleteAccountInput>,
749) -> Response {
750 let did = input.did.trim();
751 let password = &input.password;
752 let token = input.token.trim();
753 if did.is_empty() {
754 return (
755 StatusCode::BAD_REQUEST,
756 Json(json!({"error": "InvalidRequest", "message": "did is required"})),
757 )
758 .into_response();
759 }
760 if password.is_empty() {
761 return (
762 StatusCode::BAD_REQUEST,
763 Json(json!({"error": "InvalidRequest", "message": "password is required"})),
764 )
765 .into_response();
766 }
767 const OLD_PASSWORD_MAX_LENGTH: usize = 512;
768 if password.len() > OLD_PASSWORD_MAX_LENGTH {
769 return (
770 StatusCode::BAD_REQUEST,
771 Json(json!({"error": "InvalidRequest", "message": "Invalid password length."})),
772 )
773 .into_response();
774 }
775 if token.is_empty() {
776 return (
777 StatusCode::BAD_REQUEST,
778 Json(json!({"error": "InvalidToken", "message": "token is required"})),
779 )
780 .into_response();
781 }
782 let user = sqlx::query!(
783 "SELECT id, password_hash, handle FROM users WHERE did = $1",
784 did
785 )
786 .fetch_optional(&state.db)
787 .await;
788 let (user_id, password_hash, handle) = match user {
789 Ok(Some(row)) => (row.id, row.password_hash, row.handle),
790 Ok(None) => {
791 return (
792 StatusCode::BAD_REQUEST,
793 Json(json!({"error": "AccountNotFound", "message": "Account not found"})),
794 )
795 .into_response();
796 }
797 Err(e) => {
798 error!("DB error in delete_account: {:?}", e);
799 return (
800 StatusCode::INTERNAL_SERVER_ERROR,
801 Json(json!({"error": "InternalError"})),
802 )
803 .into_response();
804 }
805 };
806 let password_valid = if password_hash
807 .as_ref()
808 .map(|h| verify(password, h).unwrap_or(false))
809 .unwrap_or(false)
810 {
811 true
812 } else {
813 let app_pass_rows = sqlx::query!(
814 "SELECT password_hash FROM app_passwords WHERE user_id = $1",
815 user_id
816 )
817 .fetch_all(&state.db)
818 .await
819 .unwrap_or_default();
820 app_pass_rows
821 .iter()
822 .any(|row| verify(password, &row.password_hash).unwrap_or(false))
823 };
824 if !password_valid {
825 return (
826 StatusCode::UNAUTHORIZED,
827 Json(json!({"error": "AuthenticationFailed", "message": "Invalid password"})),
828 )
829 .into_response();
830 }
831 let deletion_request = sqlx::query!(
832 "SELECT did, expires_at FROM account_deletion_requests WHERE token = $1",
833 token
834 )
835 .fetch_optional(&state.db)
836 .await;
837 let (token_did, expires_at) = match deletion_request {
838 Ok(Some(row)) => (row.did, row.expires_at),
839 Ok(None) => {
840 return (
841 StatusCode::BAD_REQUEST,
842 Json(json!({"error": "InvalidToken", "message": "Invalid or expired token"})),
843 )
844 .into_response();
845 }
846 Err(e) => {
847 error!("DB error fetching deletion token: {:?}", e);
848 return (
849 StatusCode::INTERNAL_SERVER_ERROR,
850 Json(json!({"error": "InternalError"})),
851 )
852 .into_response();
853 }
854 };
855 if token_did != did {
856 return (
857 StatusCode::BAD_REQUEST,
858 Json(json!({"error": "InvalidToken", "message": "Token does not match account"})),
859 )
860 .into_response();
861 }
862 if Utc::now() > expires_at {
863 let _ = sqlx::query!(
864 "DELETE FROM account_deletion_requests WHERE token = $1",
865 token
866 )
867 .execute(&state.db)
868 .await;
869 return (
870 StatusCode::BAD_REQUEST,
871 Json(json!({"error": "ExpiredToken", "message": "Token has expired"})),
872 )
873 .into_response();
874 }
875 let mut tx = match state.db.begin().await {
876 Ok(tx) => tx,
877 Err(e) => {
878 error!("Failed to begin transaction: {:?}", e);
879 return (
880 StatusCode::INTERNAL_SERVER_ERROR,
881 Json(json!({"error": "InternalError"})),
882 )
883 .into_response();
884 }
885 };
886 let deletion_result: Result<(), sqlx::Error> = async {
887 sqlx::query!("DELETE FROM session_tokens WHERE did = $1", did)
888 .execute(&mut *tx)
889 .await?;
890 sqlx::query!("DELETE FROM records WHERE repo_id = $1", user_id)
891 .execute(&mut *tx)
892 .await?;
893 sqlx::query!("DELETE FROM repos WHERE user_id = $1", user_id)
894 .execute(&mut *tx)
895 .await?;
896 sqlx::query!("DELETE FROM blobs WHERE created_by_user = $1", user_id)
897 .execute(&mut *tx)
898 .await?;
899 sqlx::query!("DELETE FROM user_keys WHERE user_id = $1", user_id)
900 .execute(&mut *tx)
901 .await?;
902 sqlx::query!("DELETE FROM app_passwords WHERE user_id = $1", user_id)
903 .execute(&mut *tx)
904 .await?;
905 sqlx::query!("DELETE FROM account_deletion_requests WHERE did = $1", did)
906 .execute(&mut *tx)
907 .await?;
908 sqlx::query!("DELETE FROM users WHERE id = $1", user_id)
909 .execute(&mut *tx)
910 .await?;
911 Ok(())
912 }
913 .await;
914 match deletion_result {
915 Ok(()) => {
916 if let Err(e) = tx.commit().await {
917 error!("Failed to commit account deletion transaction: {:?}", e);
918 return (
919 StatusCode::INTERNAL_SERVER_ERROR,
920 Json(json!({"error": "InternalError"})),
921 )
922 .into_response();
923 }
924 let account_seq = crate::api::repo::record::sequence_account_event(
925 &state,
926 did,
927 false,
928 Some("deleted"),
929 )
930 .await;
931 match account_seq {
932 Ok(seq) => {
933 if let Err(e) = sqlx::query!(
934 "DELETE FROM repo_seq WHERE did = $1 AND seq != $2",
935 did,
936 seq
937 )
938 .execute(&state.db)
939 .await
940 {
941 warn!(
942 "Failed to cleanup sequences for deleted account {}: {}",
943 did, e
944 );
945 }
946 }
947 Err(e) => {
948 warn!(
949 "Failed to sequence account deletion event for {}: {}",
950 did, e
951 );
952 }
953 }
954 let _ = state.cache.delete(&format!("handle:{}", handle)).await;
955 info!("Account {} deleted successfully", did);
956 (StatusCode::OK, Json(json!({}))).into_response()
957 }
958 Err(e) => {
959 error!("DB error deleting account, rolling back: {:?}", e);
960 (
961 StatusCode::INTERNAL_SERVER_ERROR,
962 Json(json!({"error": "InternalError"})),
963 )
964 .into_response()
965 }
966 }
967}