36 Commits

Author SHA1 Message Date
Chris Lu
e5f72077ee fix: resolve CORS cache race condition causing stale 404 responses (#8748)
The metadata subscription handler (updateBucketConfigCacheFromEntry) was
making a separate RPC call via loadCORSFromBucketContent to load CORS
configuration. This created a race window where a slow CreateBucket
subscription event could re-cache stale data after PutBucketCors had
already cleared the cache, causing subsequent GetBucketCors to return
404 NoSuchCORSConfiguration.

Parse CORS directly from the subscription entry's Content field instead
of making a separate RPC. Also fix getBucketConfig to parse CORS from
the already-fetched entry, eliminating a redundant RPC call.

Fix TestCORSCaching to use require.NoError to prevent nil pointer
dereference panics when GetBucketCors fails.
2026-03-23 19:33:20 -07:00
Chris Lu
992db11d2b iam: add IAM group management (#8560)
* iam: add Group message to protobuf schema

Add Group message (name, members, policy_names, disabled) and
add groups field to S3ApiConfiguration for IAM group management
support (issue #7742).

* iam: add group CRUD to CredentialStore interface and all backends

Add group management methods (CreateGroup, GetGroup, DeleteGroup,
ListGroups, UpdateGroup) to the CredentialStore interface with
implementations for memory, filer_etc, postgres, and grpc stores.
Wire group loading/saving into filer_etc LoadConfiguration and
SaveConfiguration.

* iam: add group IAM response types

Add XML response types for group management IAM actions:
CreateGroup, DeleteGroup, GetGroup, ListGroups, AddUserToGroup,
RemoveUserFromGroup, AttachGroupPolicy, DetachGroupPolicy,
ListAttachedGroupPolicies, ListGroupsForUser.

* iam: add group management handlers to embedded IAM API

Add CreateGroup, DeleteGroup, GetGroup, ListGroups, AddUserToGroup,
RemoveUserFromGroup, AttachGroupPolicy, DetachGroupPolicy,
ListAttachedGroupPolicies, and ListGroupsForUser handlers with
dispatch in ExecuteAction.

* iam: add group management handlers to standalone IAM API

Add group handlers (CreateGroup, DeleteGroup, GetGroup, ListGroups,
AddUserToGroup, RemoveUserFromGroup, AttachGroupPolicy, DetachGroupPolicy,
ListAttachedGroupPolicies, ListGroupsForUser) and wire into DoActions
dispatch. Also add helper functions for user/policy side effects.

* iam: integrate group policies into authorization

Add groups and userGroups reverse index to IdentityAccessManagement.
Populate both maps during ReplaceS3ApiConfiguration and
MergeS3ApiConfiguration. Modify evaluateIAMPolicies to evaluate
policies from user's enabled groups in addition to user policies.
Update VerifyActionPermission to consider group policies when
checking hasAttachedPolicies.

* iam: add group side effects on user deletion and rename

When a user is deleted, remove them from all groups they belong to.
When a user is renamed, update group membership references. Applied
to both embedded and standalone IAM handlers.

* iam: watch /etc/iam/groups directory for config changes

Add groups directory to the filer subscription watcher so group
file changes trigger IAM configuration reloads.

* admin: add group management page to admin UI

Add groups page with CRUD operations, member management, policy
attachment, and enable/disable toggle. Register routes in admin
handlers and add Groups entry to sidebar navigation.

* test: add IAM group management integration tests

Add comprehensive integration tests for group CRUD, membership,
policy attachment, policy enforcement, disabled group behavior,
user deletion side effects, and multi-group membership. Add
"group" test type to CI matrix in s3-iam-tests workflow.

* iam: address PR review comments for group management

- Fix XSS vulnerability in groups.templ: replace innerHTML string
  concatenation with DOM APIs (createElement/textContent) for rendering
  member and policy lists
- Use userGroups reverse index in embedded IAM ListGroupsForUser for
  O(1) lookup instead of iterating all groups
- Add buildUserGroupsIndex helper in standalone IAM handlers; use it
  in ListGroupsForUser and removeUserFromAllGroups for efficient lookup
- Add note about gRPC store load-modify-save race condition limitation

* iam: add defensive copies, validation, and XSS fixes for group management

- Memory store: clone groups on store/retrieve to prevent mutation
- Admin dash: deep copy groups before mutation, validate user/policy exists
- HTTP handlers: translate credential errors to proper HTTP status codes,
  use *bool for Enabled field to distinguish missing vs false
- Groups templ: use data attributes + event delegation instead of inline
  onclick for XSS safety, prevent stale async responses

* iam: add explicit group methods to PropagatingCredentialStore

Add CreateGroup, GetGroup, DeleteGroup, ListGroups, and UpdateGroup
methods instead of relying on embedded interface fallthrough. Group
changes propagate via filer subscription so no RPC propagation needed.

* iam: detect postgres unique constraint violation and add groups index

Return ErrGroupAlreadyExists when INSERT hits SQLState 23505 instead of
a generic error. Add index on groups(disabled) for filtered queries.

* iam: add Marker field to group list response types

Add Marker string field to GetGroupResult, ListGroupsResult,
ListAttachedGroupPoliciesResult, and ListGroupsForUserResult to
match AWS IAM pagination response format.

* iam: check group attachment before policy deletion

Reject DeletePolicy if the policy is attached to any group, matching
AWS IAM behavior. Add PolicyArn to ListAttachedGroupPolicies response.

* iam: include group policies in IAM authorization

Merge policy names from user's enabled groups into the IAMIdentity
used for authorization, so group-attached policies are evaluated
alongside user-attached policies.

* iam: check for name collision before renaming user in UpdateUser

Scan identities and inline policies for newUserName before mutating,
returning EntityAlreadyExists if a collision is found. Reuse the
already-loaded policies instead of loading them again inside the loop.

* test: use t.Cleanup for bucket cleanup in group policy test

* iam: wrap ErrUserNotInGroup sentinel in RemoveGroupMember error

Wrap credential.ErrUserNotInGroup so errors.Is works in
groupErrorToHTTPStatus, returning proper 400 instead of 500.

* admin: regenerate groups_templ.go with XSS-safe data attributes

Regenerated from groups.templ which uses data-group-name attributes
instead of inline onclick with string interpolation.

* iam: add input validation and persist groups during migration

- Validate nil/empty group name in CreateGroup and UpdateGroup
- Save groups in migrateToMultiFile so they survive legacy migration

* admin: use groupErrorToHTTPStatus in GetGroupMembers and GetGroupPolicies

* iam: short-circuit UpdateUser when newUserName equals current name

* iam: require empty PolicyNames before group deletion

Reject DeleteGroup when group has attached policies, matching the
existing members check. Also fix GetGroup error handling in
DeletePolicy to only skip ErrGroupNotFound, not all errors.

* ci: add weed/pb/** to S3 IAM test trigger paths

* test: replace time.Sleep with require.Eventually for propagation waits

Use polling with timeout instead of fixed sleeps to reduce flakiness
in integration tests waiting for IAM policy propagation.

* fix: use credentialManager.GetPolicy for AttachGroupPolicy validation

Policies created via CreatePolicy through credentialManager are stored
in the credential store, not in s3cfg.Policies (which only has static
config policies). Change AttachGroupPolicy to use credentialManager.GetPolicy()
for policy existence validation.

* feat: add UpdateGroup handler to embedded IAM API

Add UpdateGroup action to enable/disable groups and rename groups
via the IAM API. This is a SeaweedFS extension (not in AWS SDK) used
by tests to toggle group disabled status.

* fix: authenticate raw IAM API calls in group tests

The embedded IAM endpoint rejects anonymous requests. Replace
callIAMAPI with callIAMAPIAuthenticated that uses JWT bearer token
authentication via the test framework.

* feat: add UpdateGroup handler to standalone IAM API

Mirror the embedded IAM UpdateGroup handler in the standalone IAM API
for parity.

* fix: add omitempty to Marker XML tags in group responses

Non-truncated responses should not emit an empty <Marker/> element.

* fix: distinguish backend errors from missing policies in AttachGroupPolicy

Return ServiceFailure for credential manager errors instead of masking
them as NoSuchEntity. Also switch ListGroupsForUser to use s3cfg.Groups
instead of in-memory reverse index to avoid stale data. Add duplicate
name check to UpdateGroup rename.

* fix: standalone IAM AttachGroupPolicy uses persisted policy store

Check managed policies from GetPolicies() instead of s3cfg.Policies
so dynamically created policies are found. Also add duplicate name
check to UpdateGroup rename.

* fix: rollback inline policies on UpdateUser PutPolicies failure

If PutPolicies fails after moving inline policies to the new username,
restore both the identity name and the inline policies map to their
original state to avoid a partial-write window.

* fix: correct test cleanup ordering for group tests

Replace scattered defers with single ordered t.Cleanup in each test
to ensure resources are torn down in reverse-creation order:
remove membership, detach policies, delete access keys, delete users,
delete groups, delete policies. Move bucket cleanup to parent test
scope and delete objects before bucket.

* fix: move identity nil check before map lookup and refine hasAttachedPolicies

Move the nil check on identity before accessing identity.Name to
prevent panic. Also refine hasAttachedPolicies to only consider groups
that are enabled and have actual policies attached, so membership in
a no-policy group doesn't incorrectly trigger IAM authorization.

* fix: fail group reload on unreadable or corrupt group files

Return errors instead of logging and continuing when group files
cannot be read or unmarshaled. This prevents silently applying a
partial IAM config with missing group memberships or policies.

* fix: use errors.Is for sql.ErrNoRows comparison in postgres group store

* docs: explain why group methods skip propagateChange

Group changes propagate to S3 servers via filer subscription
(watching /etc/iam/groups/) rather than gRPC RPCs, since there
are no group-specific RPCs in the S3 cache protocol.

* fix: remove unused policyNameFromArn and strings import

* fix: update service account ParentUser on user rename

When renaming a user via UpdateUser, also update ParentUser references
in service accounts to prevent them from becoming orphaned after the
next configuration reload.

* fix: wrap DetachGroupPolicy error with ErrPolicyNotAttached sentinel

Use credential.ErrPolicyNotAttached so groupErrorToHTTPStatus maps
it to 400 instead of falling back to 500.

* fix: use admin S3 client for bucket cleanup in enforcement test

The user S3 client may lack permissions by cleanup time since the
user is removed from the group in an earlier subtest. Use the admin
S3 client to ensure bucket and object cleanup always succeeds.

* fix: add nil guard for group param in propagating store log calls

Prevent potential nil dereference when logging group.Name in
CreateGroup and UpdateGroup of PropagatingCredentialStore.

* fix: validate Disabled field in UpdateGroup handlers

Reject values other than "true" or "false" with InvalidInputException
instead of silently treating them as false.

* fix: seed mergedGroups from existing groups in MergeS3ApiConfiguration

Previously the merge started with empty group maps, dropping any
static-file groups. Now seeds from existing iam.groups before
overlaying dynamic config, and builds the reverse index after
merging to avoid stale entries from overridden groups.

* fix: use errors.Is for filer_pb.ErrNotFound comparison in group loading

Replace direct equality (==) with errors.Is() to correctly match
wrapped errors, consistent with the rest of the codebase.

* fix: add ErrUserNotFound and ErrPolicyNotFound to groupErrorToHTTPStatus

Map these sentinel errors to 404 so AddGroupMember and
AttachGroupPolicy return proper HTTP status codes.

* fix: log cleanup errors in group integration tests

Replace fire-and-forget cleanup calls with error-checked versions
that log failures via t.Logf for debugging visibility.

* fix: prevent duplicate group test runs in CI matrix

The basic lane's -run "TestIAM" regex also matched TestIAMGroup*
tests, causing them to run in both the basic and group lanes.
Replace with explicit test function names.

* fix: add GIN index on groups.members JSONB for membership lookups

Without this index, ListGroupsForUser and membership queries
require full table scans on the groups table.

* fix: handle cross-directory moves in IAM config subscription

When a file is moved out of an IAM directory (e.g., /etc/iam/groups),
the dir variable was overwritten with NewParentPath, causing the
source directory change to be missed. Now also notifies handlers
about the source directory for cross-directory moves.

* fix: validate members/policies before deleting group in admin handler

AdminServer.DeleteGroup now checks for attached members and policies
before delegating to credentialManager, matching the IAM handler guards.

* fix: merge groups by name instead of blind append during filer load

Match the identity loader's merge behavior: find existing group
by name and replace, only append when no match exists. Prevents
duplicates when legacy and multi-file configs overlap.

* fix: check DeleteEntry response error when cleaning obsolete group files

Capture and log resp.Error from filer DeleteEntry calls during
group file cleanup, matching the pattern used in deleteGroupFile.

* fix: verify source user exists before no-op check in UpdateUser

Reorder UpdateUser to find the source identity first and return
NoSuchEntityException if not found, before checking if the rename
is a no-op. Previously a non-existent user renamed to itself
would incorrectly return success.

* fix: update service account parent refs on user rename in embedded IAM

The embedded IAM UpdateUser handler updated group membership but
not service account ParentUser fields, unlike the standalone handler.

* fix: replay source-side events for all handlers on cross-dir moves

Pass nil newEntry to bucket, IAM, and circuit-breaker handlers for
the source directory during cross-directory moves, so all watchers
can clear caches for the moved-away resource.

* fix: don't seed mergedGroups from existing iam.groups in merge

Groups are always dynamic (from filer), never static (from s3.config).
Seeding from iam.groups caused stale deleted groups to persist.
Now only uses config.Groups from the dynamic filer config.

* fix: add deferred user cleanup in TestIAMGroupUserDeletionSideEffect

Register t.Cleanup for the created user so it gets cleaned up
even if the test fails before the inline DeleteUser call.

* fix: assert UpdateGroup HTTP status in disabled group tests

Add require.Equal checks for 200 status after UpdateGroup calls
so the test fails immediately on API errors rather than relying
on the subsequent Eventually timeout.

* fix: trim whitespace from group name in filer store operations

Trim leading/trailing whitespace from group.Name before validation
in CreateGroup and UpdateGroup to prevent whitespace-only filenames.
Also merge groups by name during multi-file load to prevent duplicates.

* fix: add nil/empty group validation in gRPC store

Guard CreateGroup and UpdateGroup against nil group or empty name
to prevent panics and invalid persistence.

* fix: add nil/empty group validation in postgres store

Guard CreateGroup and UpdateGroup against nil group or empty name
to prevent panics from nil member access and empty-name row inserts.

* fix: add name collision check in embedded IAM UpdateUser

The embedded IAM handler renamed users without checking if the
target name already existed, unlike the standalone handler.

* fix: add ErrGroupNotEmpty sentinel and map to HTTP 409

AdminServer.DeleteGroup now wraps conflict errors with
ErrGroupNotEmpty, and groupErrorToHTTPStatus maps it to
409 Conflict instead of 500.

* fix: use appropriate error message in GetGroupDetails based on status

Return "Group not found" only for 404, use "Failed to retrieve group"
for other error statuses instead of always saying "Group not found".

* fix: use backend-normalized group.Name in CreateGroup response

After credentialManager.CreateGroup may normalize the name (e.g.,
trim whitespace), use group.Name instead of the raw input for
the returned GroupData to ensure consistency.

* fix: add nil/empty group validation in memory store

Guard CreateGroup and UpdateGroup against nil group or empty name
to prevent panics from nil pointer dereference on map access.

* fix: reorder embedded IAM UpdateUser to verify source first

Find the source identity before checking for collisions, matching
the standalone handler's logic. Previously a non-existent user
renamed to an existing name would get EntityAlreadyExists instead
of NoSuchEntity.

* fix: handle same-directory renames in metadata subscription

Replay a delete event for the old entry name during same-directory
renames so handlers like onBucketMetadataChange can clean up stale
state for the old name.

* fix: abort GetGroups on non-ErrGroupNotFound errors

Only skip groups that return ErrGroupNotFound. Other errors (e.g.,
transient backend failures) now abort the handler and return the
error to the caller instead of silently producing partial results.

* fix: add aria-label and title to icon-only group action buttons

Add accessible labels to View and Delete buttons so screen readers
and tooltips provide meaningful context.

* fix: validate group name in saveGroup to prevent invalid filenames

Trim whitespace and reject empty names before writing group JSON
files, preventing creation of files like ".json".

* fix: add /etc/iam/groups to filer subscription watched directories

The groups directory was missing from the watched directories list,
so S3 servers in a cluster would not detect group changes made by
other servers via filer. The onIamConfigChange handler already had
code to handle group directory changes but it was never triggered.

* add direct gRPC propagation for group changes to S3 servers

Groups now have the same dual propagation as identities and policies:
direct gRPC push via propagateChange + async filer subscription.

- Add PutGroup/RemoveGroup proto messages and RPCs
- Add PutGroup/RemoveGroup in-memory cache methods on IAM
- Add PutGroup/RemoveGroup gRPC server handlers
- Update PropagatingCredentialStore to call propagateChange on group mutations

* reduce log verbosity for config load summary

Change ReplaceS3ApiConfiguration log from Infof to V(1).Infof
to avoid noisy output on every config reload.

* admin: show user groups in view and edit user modals

- Add Groups field to UserDetails and populate from credential manager
- Show groups as badges in user details view modal
- Add group management to edit user modal: display current groups,
  add to group via dropdown, remove from group via badge x button

* fix: remove duplicate showAlert that broke modal-alerts.js

admin.js defined showAlert(type, message) which overwrote the
modal-alerts.js version showAlert(message, type), causing broken
unstyled alert boxes. Remove the duplicate and swap all callers
in admin.js to use the correct (message, type) argument order.

* fix: unwrap groups API response in edit user modal

The /api/groups endpoint returns {"groups": [...]}, not a bare array.

* Update object_store_users_templ.go

* test: assert AccessDenied error code in group denial tests

Replace plain assert.Error checks with awserr.Error type assertion
and AccessDenied code verification, matching the pattern used in
other IAM integration tests.

* fix: propagate GetGroups errors in ShowGroups handler

getGroupsPageData was swallowing errors and returning an empty page
with 200 status. Now returns the error so ShowGroups can respond
with a proper error status.

* fix: reject AttachGroupPolicy when credential manager is nil

Previously skipped policy existence validation when credentialManager
was nil, allowing attachment of nonexistent policies. Now returns
a ServiceFailureException error.

* fix: preserve groups during partial MergeS3ApiConfiguration updates

UpsertIdentity calls MergeS3ApiConfiguration with a partial config
containing only the updated identity (nil Groups). This was wiping
all in-memory group state. Now only replaces groups when
config.Groups is non-nil (full config reload).

* fix: propagate errors from group lookup in GetObjectStoreUserDetails

ListGroups and GetGroup errors were silently ignored, potentially
showing incomplete group data in the UI.

* fix: use DOM APIs for group badge remove button to prevent XSS

Replace innerHTML with onclick string interpolation with DOM
createElement + addEventListener pattern. Also add aria-label
and title to the add-to-group button.

* fix: snapshot group policies under RLock to prevent concurrent map access

evaluateIAMPolicies was copying the map reference via groupMap :=
iam.groups under RLock then iterating after RUnlock, while PutGroup
mutates the map in-place. Now copies the needed policy names into
a slice while holding the lock.

* fix: add nil IAM check to PutGroup and RemoveGroup gRPC handlers

Match the nil guard pattern used by PutPolicy/DeletePolicy to
prevent nil pointer dereference when IAM is not initialized.
2026-03-09 11:54:32 -07:00
Chris Lu
7799915e50 Fix IAM identity loss on S3 restart migration (#8343)
* Fix IAM reload after legacy config migration

Handle legacy identity.json metadata events by reloading from the credential manager instead of parsing event content, and watch the correct /etc/iam multi-file directories so identity changes are applied.

Add regression tests for legacy deletion and /etc/iam/identities change events.

Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>

* Fix auth_credentials_subscribe_test helper to not pollute global memory store

The SaveConfiguration call was affecting other tests. Use local credential manager and ReplaceS3ApiConfiguration instead.

Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>

* Fix IAM event watching: subscribe to IAM directories and improve directory matching

- Add /etc/iam and its subdirectories (identities, policies, service_accounts) to directoriesToWatch
- Fix directory matching to avoid false positives from sibling directories
  - Use exact match or prefix with trailing slash instead of plain HasPrefix
  - Prevents matching hypothetical /etc/iam/identities_backup directory

This ensures IAM config change events are actually delivered to the handler.

* fix tests

---------

Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>
2026-02-13 22:49:27 -08:00
Chris Lu
f6318edbc9 Refactor Admin UI to use unified IAM storage and add MultipleFileStore (#8101)
* Refactor Admin UI to use unified IAM storage and add MultipleFileStore

* Address PR feedback: fix renames, error handling, and sync logic in FilerMultipleStore

* Address refined PR feedback: safe rename order, rollback logic, and structural sync refinement

* Optimize LoadConfiguration: use streaming callback for memory efficiency

* Refactor UpdateUser: log rollback failures during rename

* Implement PolicyManager for FilerMultipleStore

* include the filer_multiple backend configuration

* Implement cross-S3 synchronization and proper shutdown for all IAM backends

* Extract Admin UI refactoring to a separate PR
2026-01-23 20:12:59 -08:00
Chris Lu
ee3813787e feat(s3api): Implement S3 Policy Variables (#8039)
* feat: Add AWS IAM Policy Variables support to S3 API

Implements policy variables for dynamic access control in bucket policies.

Supported variables:
- aws:username - Extracted from principal ARN
- aws:userid - User identifier (same as username in SeaweedFS)
- aws:principaltype - IAMUser, IAMRole, or AssumedRole
- jwt:* - Any JWT claim (e.g., jwt:preferred_username, jwt:sub)

Key changes:
- Added PolicyVariableRegex to detect ${...} patterns
- Extended CompiledStatement with DynamicResourcePatterns, DynamicPrincipalPatterns, DynamicActionPatterns
- Added Claims field to PolicyEvaluationArgs for JWT claim access
- Implemented SubstituteVariables() for variable replacement from context and JWT claims
- Implemented extractPrincipalVariables() for ARN parsing
- Updated EvaluateConditions() to support variable substitution
- Comprehensive unit and integration tests

Resolves #8037

* feat: Add LDAP and PrincipalAccount variable support

Completes future enhancements for policy variables:

- Added ldap:* variable support for LDAP claims
  - ldap:username - LDAP username from claims
  - ldap:dn - LDAP distinguished name from claims
  - ldap:* - Any LDAP claim

- Added aws:PrincipalAccount extraction from ARN
  - Extracts account ID from principal ARN
  - Available as ${aws:PrincipalAccount} in policies

Updated SubstituteVariables() to check LDAP claims
Updated extractPrincipalVariables() to extract account ID
Added comprehensive tests for new variables

* feat(s3api): implement IAM policy variables core logic and optimization

* feat(s3api): integrate policy variables with S3 authentication and handlers

* test(s3api): add integration tests for policy variables

* cleanup: remove unused policy conversion files

* Add S3 policy variables integration tests and path support

- Add comprehensive integration tests for policy variables
- Test username isolation, JWT claims, LDAP claims
- Add support for IAM paths in principal ARN parsing
- Add tests for principals with paths

* Fix IAM Role principal variable extraction

IAM Roles should not have aws:userid or aws:PrincipalAccount
according to AWS behavior. Only IAM Users and Assumed Roles
should have these variables.

Fixes TestExtractPrincipalVariables test failures.

* Security fixes and bug fixes for S3 policy variables

SECURITY FIXES:
- Prevent X-SeaweedFS-Principal header spoofing by clearing internal
  headers at start of authentication (auth_credentials.go)
- Restrict policy variable substitution to safe allowlist to prevent
  client header injection (iam/policy/policy_engine.go)
- Add core policy validation before storing bucket policies

BUG FIXES:
- Remove unused sid variable in evaluateStatement
- Fix LDAP claim lookup to check both prefixed and unprefixed keys
- Add ValidatePolicy call in PutBucketPolicyHandler

These fixes prevent privilege escalation via header injection and
ensure only validated identity claims are used in policy evaluation.

* Additional security fixes and code cleanup

SECURITY FIXES:
- Fixed X-Forwarded-For spoofing by only trusting proxy headers from
  private/localhost IPs (s3_iam_middleware.go)
- Changed context key from "sourceIP" to "aws:SourceIp" for proper
  policy variable substitution

CODE IMPROVEMENTS:
- Kept aws:PrincipalAccount for IAM Roles to support condition evaluations
- Removed redundant STS principaltype override
- Removed unused service variable
- Cleaned up commented-out debug logging statements
- Updated tests to reflect new IAM Role behavior

These changes prevent IP spoofing attacks and ensure policy variables
work correctly with the safe allowlist.

* Add security documentation for ParseJWTToken

Added comprehensive security comments explaining that ParseJWTToken
is safe despite parsing without verification because:
- It's only used for routing to the correct verification method
- All code paths perform cryptographic verification before trusting claims
- OIDC tokens: validated via validateExternalOIDCToken
- STS tokens: validated via ValidateSessionToken

Enhanced function documentation with clear security warnings about
proper usage to prevent future misuse.

* Fix IP condition evaluation to use aws:SourceIp key

Fixed evaluateIPCondition in IAM policy engine to use "aws:SourceIp"
instead of "sourceIP" to match the updated extractRequestContext.

This fixes the failing IP-restricted role test where IP-based policy
conditions were not being evaluated correctly.

Updated all test cases to use the correct "aws:SourceIp" key.

* Address code review feedback: optimize and clarify

PERFORMANCE IMPROVEMENT:
- Optimized expandPolicyVariables to use regexp.ReplaceAllStringFunc
  for single-pass variable substitution instead of iterating through
  all safe variables. This improves performance from O(n*m) to O(m)
  where n is the number of safe variables and m is the pattern length.

CODE CLARITY:
- Added detailed comment explaining LDAP claim fallback mechanism
  (checks both prefixed and unprefixed keys for compatibility)
- Enhanced TODO comment for trusted proxy configuration with rationale
  and recommendations for supporting cloud load balancers, CDNs, and
  complex network topologies

All tests passing.

* Address Copilot code review feedback

BUG FIXES:
- Fixed type switch for int/int32/int64 - separated into individual cases
  since interface type switches only match the first type in multi-type cases
- Fixed grammatically incorrect error message in types.go

CODE QUALITY:
- Removed duplicate Resource/NotResource validation (already in ValidateStatement)
- Added comprehensive comment explaining isEnabled() logic and security implications
- Improved trusted proxy NOTE comment to be more concise while noting limitations

All tests passing.

* Fix test failures after extractSourceIP security changes

Updated tests to work with the security fix that only trusts
X-Forwarded-For/X-Real-IP headers from private IP addresses:

- Set RemoteAddr to 127.0.0.1 in tests to simulate trusted proxy
- Changed context key from "sourceIP" to "aws:SourceIp"
- Added test case for untrusted proxy (public RemoteAddr)
- Removed invalid ValidateStatement call (validation happens in ValidatePolicy)

All tests now passing.

* Address remaining Gemini code review feedback

CODE SAFETY:
- Deep clone Action field in CompileStatement to prevent potential data races
  if the original policy document is modified after compilation

TEST CLEANUP:
- Remove debug logging (fmt.Fprintf) from engine_notresource_test.go
- Remove unused imports in engine_notresource_test.go

All tests passing.

* Fix insecure JWT parsing in IAM auth flow

SECURITY FIX:
- Renamed ParseJWTToken to ParseUnverifiedJWTToken with explicit security warnings.
- Refactored AuthenticateJWT to use the trusted SessionInfo returned by ValidateSessionToken
  instead of relying on unverified claims from the initial parse.
- Refactored ValidatePresignedURLWithIAM to reuse the robust AuthenticateJWT logic, removing
  duplicated and insecure manual token parsing.

This ensures all identity information (Role, Principal, Subject) used for authorization
decisions is derived solely from cryptographically verified tokens.

* Security: Fix insecure JWT claim extraction in policy engine

- Refactored EvaluatePolicy to accept trusted claims from verified Identity instead of parsing unverified tokens
- Updated AuthenticateJWT to populate Claims in IAMIdentity from verified sources (SessionInfo/ExternalIdentity)
- Updated s3api_server and handlers to pass claims correctly
- Improved isPrivateIP to support IPv6 loopback, link-local, and ULA
- Fixed flaky distributed_session_consistency test with retry logic

* fix(iam): populate Subject in STSSessionInfo to ensure correct identity propagation

This fixes the TestS3IAMAuthentication/valid_jwt_token_authentication failure by ensuring the session subject (sub) is correctly mapped to the internal SessionInfo struct, allowing bucket ownership validation to succeed.

* Optimized isPrivateIP

* Create s3-policy-tests.yml

* fix tests

* fix tests

* tests(s3/iam): simplify policy to resource-based \ (step 1)

* tests(s3/iam): add explicit Deny NotResource for isolation (step 2)

* fixes

* policy: skip resource matching for STS trust policies to allow AssumeRole evaluation

* refactor: remove debug logging and hoist policy variables for performance

* test: fix TestS3IAMBucketPolicyIntegration cleanup to handle per-subtest object lifecycle

* test: fix bucket name generation to comply with S3 63-char limit

* test: skip TestS3IAMPolicyEnforcement until role setup is implemented

* test: use weed mini for simpler test server deployment

Replace 'weed server' with 'weed mini' for IAM tests to avoid port binding issues
and simplify the all-in-one server deployment. This improves test reliability
and execution time.

* security: prevent allocation overflow in policy evaluation

Add maxPoliciesForEvaluation constant to cap the number of policies evaluated
in a single request. This prevents potential integer overflow when allocating
slices for policy lists that may be influenced by untrusted input.

Changes:
- Add const maxPoliciesForEvaluation = 1024 to set an upper bound
- Validate len(policies) < maxPoliciesForEvaluation before appending bucket policy
- Use append() instead of make([]string, len+1) to avoid arithmetic overflow
- Apply fix to both IsActionAllowed policy evaluation paths
2026-01-16 11:12:28 -08:00
Chris Lu
4e835a1d81 fix(s3api): ensure S3 configuration persistence and refactor authorization tests (#7989)
* fix(s3api): ensure static config file takes precedence over dynamic updates

When a static S3 configuration file is provided, avoid overwriting
the configuration from dynamic filer updates. This ensures the
documented "Highest Priority" for the configuration file is respected.

* refactor(s3api): implement merge-based static config with immutable identities

Static identities from config file are now immutable and protected from
dynamic updates. Dynamic identities (from admin panel) can be added and
updated without affecting static entries.

- Track identity names loaded from static config file
- Implement merge logic that preserves static identities
- Allow dynamic identities to be added or updated
- Remove blanket block on config file updates

* fix: address PR review comments for static config merge logic

Critical Bugs:
- Fix existingIdx always-false condition causing duplicate identities
- Fix race condition in static config initialization (move useStaticConfig inside mutex)

Security & Robustness:
- Add nil identity check in VerifyActionPermission to fail closed
- Mask access keys in STS validation logs to avoid exposing credentials
- Add nil guard for s3a.iam in subscription handler

Test Improvements:
- Add authCalled tracking to MockIAMIntegration for explicit verification
- Lower log level for static config messages to reduce noise

* fix: prevent duplicates and race conditions in merge logic

Data Integrity:
- Prevent service account credential duplicates on repeated merges
- Clean up stale accessKeyIdent entries when replacing identities
- Check existing credentials before appending

Concurrency Safety:
- Add synchronization to IsStaticConfig method

Test Improvements:
- Add mux route vars for proper GetBucketAndObject extraction
- Add STS session token header to trigger correct auth path
2026-01-08 19:29:54 -08:00
G-OD
504b258258 s3: fix remote object not caching (#7790)
* s3: fix remote object not caching

* s3: address review comments for remote object caching

- Fix leading slash in object name by using strings.TrimPrefix
- Return cached entry from CacheRemoteObjectToLocalCluster to get updated local chunk locations
- Reuse existing helper function instead of inline gRPC call

* s3/filer: add singleflight deduplication for remote object caching

- Add singleflight.Group to FilerServer to deduplicate concurrent cache operations
- Wrap CacheRemoteObjectToLocalCluster with singleflight to ensure only one
  caching operation runs per object when multiple clients request the same file
- Add early-return check for already-cached objects
- S3 API calls filer gRPC with timeout and graceful fallback on error
- Clear negative bucket cache when bucket is created via weed shell
- Add integration tests for remote cache with singleflight deduplication

This benefits all clients (S3, HTTP, Hadoop) accessing remote-mounted objects
by preventing redundant cache operations and improving concurrent access performance.

Fixes: https://github.com/seaweedfs/seaweedfs/discussions/7599

* fix: data race in concurrent remote object caching

- Add mutex to protect chunks slice from concurrent append
- Add mutex to protect fetchAndWriteErr from concurrent read/write
- Fix incorrect error check (was checking assignResult.Error instead of parseErr)
- Rename inner variable to avoid shadowing fetchAndWriteErr

* fix: address code review comments

- Remove duplicate remote caching block in GetObjectHandler, keep only singleflight version
- Add mutex protection for concurrent chunk slice and error access (data race fix)
- Use lazy initialization for S3 client in tests to avoid panic during package load
- Fix markdown linting: add language specifier to code fence, blank lines around tables
- Add 'all' target to Makefile as alias for test-with-server
- Remove unused 'util' import

* style: remove emojis from test files

* fix: add defensive checks and sort chunks by offset

- Add nil check and type assertion check for singleflight result
- Sort chunks by offset after concurrent fetching to maintain file order

* fix: improve test diagnostics and path normalization

- runWeedShell now returns error for better test diagnostics
- Add all targets to .PHONY in Makefile (logs-primary, logs-remote, health)
- Strip leading slash from normalizedObject to avoid double slashes in path

---------

Co-authored-by: chrislu <chris.lu@gmail.com>
Co-authored-by: Chris Lu <chrislusf@users.noreply.github.com>
2025-12-16 12:41:04 -08:00
Chris Lu
b53e50485f s3: warm bucket config cache on startup for multi-filer consistency (#7772)
* s3: warm bucket config cache on startup for multi-filer consistency

In multi-filer clusters, the bucket configuration cache (storing Object Lock,
versioning, and other settings) was not being pre-populated on S3 API server
startup. This caused issues where:

1. After server restart, Object Lock and versioning settings appeared lost
   until the bucket was accessed (lazy loading)
2. In multi-filer clusters, race conditions during bucket creation could
   result in inconsistent Object Lock configuration

This fix warms the bucketConfigCache during BucketRegistry initialization,
ensuring all bucket configurations (including Object Lock and versioning)
are immediately available after restart without waiting for first access.

The fix piggybacks on the existing BucketRegistry.init() which already
iterates through all buckets, adding a call to update the config cache
with each bucket's extended attributes.

* s3: add visibility logging for bucket config cache warming

- Add bucket count tracking during initialization
- Log error if bucket listing fails
- Log INFO message with count of warmed buckets on successful init

This improves observability for the cache warming process and addresses
review feedback about error handling visibility.

* s3: fix bucket deletion not invalidating config cache

Bug fix: The metadata subscription handler had an early return when
NewEntry was nil, which skipped the onBucketMetadataChange call for
bucket deletions. This caused deleted buckets to remain in the config
cache.

The fix moves onBucketMetadataChange before the nil check so it's
called for all events (create, update, delete). The IAM and circuit
breaker updates still require NewEntry content, so they remain after
the check.

* s3: handle config file deletions for IAM and circuit breaker

Refactored the metadata subscription handlers to properly handle all
event types (create, update, delete) for IAM and circuit breaker configs:

- Renamed onIamConfigUpdate -> onIamConfigChange
- Renamed onCircuitBreakerConfigUpdate -> onCircuitBreakerConfigChange
- Both handlers now check for deletions (newEntry == nil && oldEntry != nil)
- On config file deletion, reset to empty config by loading empty bytes
- Simplified processEventFn to call all handlers unconditionally
- Each handler checks for nil entries internally

This ensures that deleting identity.json or circuit_breaker.json will
clear the in-memory config rather than leaving stale data.

* s3: restore NewParentPath handling for rename/move operations

The directory resolution logic was accidentally removed. This restores
the check for NewParentPath which is needed when files are renamed or
moved - in such cases, NewParentPath contains the destination directory
which should be used for directory matching in the handlers.
2025-12-15 13:25:51 -08:00
Chris Lu
ca84a8a713 S3: Directly read write volume servers (#7481)
* Lazy Versioning Check, Conditional SSE Entry Fetch, HEAD Request Optimization

* revert

Reverted the conditional versioning check to always check versioning status
Reverted the conditional SSE entry fetch to always fetch entry metadata
Reverted the conditional versioning check to always check versioning status
Reverted the conditional SSE entry fetch to always fetch entry metadata

* Lazy Entry Fetch for SSE, Skip Conditional Header Check

* SSE-KMS headers are present, this is not an SSE-C request (mutually exclusive)

* SSE-C is mutually exclusive with SSE-S3 and SSE-KMS

* refactor

* Removed Premature Mutual Exclusivity Check

* check for the presence of the X-Amz-Server-Side-Encryption header

* not used

* fmt

* directly read write volume servers

* HTTP Range Request Support

* set header

* md5

* copy object

* fix sse

* fmt

* implement sse

* sse continue

* fixed the suffix range bug (bytes=-N for "last N bytes")

* debug logs

* Missing PartsCount Header

* profiling

* url encoding

* test_multipart_get_part

* headers

* debug

* adjust log level

* handle part number

* Update s3api_object_handlers.go

* nil safety

* set ModifiedTsNs

* remove

* nil check

* fix sse header

* same logic as filer

* decode values

* decode ivBase64

* s3: Fix SSE decryption JWT authentication and streaming errors

Critical fix for SSE (Server-Side Encryption) test failures:

1. **JWT Authentication Bug** (Root Cause):
   - Changed from GenJwtForFilerServer to GenJwtForVolumeServer
   - S3 API now uses correct JWT when directly reading from volume servers
   - Matches filer's authentication pattern for direct volume access
   - Fixes 'unexpected EOF' and 500 errors in SSE tests

2. **Streaming Error Handling**:
   - Added error propagation in getEncryptedStreamFromVolumes goroutine
   - Use CloseWithError() to properly communicate stream failures
   - Added debug logging for streaming errors

3. **Response Header Timing**:
   - Removed premature WriteHeader(http.StatusOK) call
   - Let Go's http package write status automatically on first write
   - Prevents header lock when errors occur during streaming

4. **Enhanced SSE Decryption Debugging**:
   - Added IV/Key validation and logging for SSE-C, SSE-KMS, SSE-S3
   - Better error messages for missing or invalid encryption metadata
   - Added glog.V(2) debugging for decryption setup

This fixes SSE integration test failures where encrypted objects
could not be retrieved due to volume server authentication failures.
The JWT bug was causing volume servers to reject requests, resulting
in truncated/empty streams (EOF) or internal errors.

* s3: Fix SSE multipart upload metadata preservation

Critical fix for SSE multipart upload test failures (SSE-C and SSE-KMS):

**Root Cause - Incomplete SSE Metadata Copying**:
The old code only tried to copy 'SeaweedFSSSEKMSKey' from the first
part to the completed object. This had TWO bugs:

1. **Wrong Constant Name** (Key Mismatch Bug):
   - Storage uses: SeaweedFSSSEKMSKeyHeader = 'X-SeaweedFS-SSE-KMS-Key'
   - Old code read: SeaweedFSSSEKMSKey = 'x-seaweedfs-sse-kms-key'
   - Result: SSE-KMS metadata was NEVER copied → 500 errors

2. **Missing SSE-C and SSE-S3 Headers**:
   - SSE-C requires: IV, Algorithm, KeyMD5
   - SSE-S3 requires: encrypted key data + standard headers
   - Old code: copied nothing for SSE-C/SSE-S3 → decryption failures

**Fix - Complete SSE Header Preservation**:
Now copies ALL SSE headers from first part to completed object:

- SSE-C: SeaweedFSSSEIV, CustomerAlgorithm, CustomerKeyMD5
- SSE-KMS: SeaweedFSSSEKMSKeyHeader, AwsKmsKeyId, ServerSideEncryption
- SSE-S3: SeaweedFSSSES3Key, ServerSideEncryption

Applied consistently to all 3 code paths:
1. Versioned buckets (creates version file)
2. Suspended versioning (creates main object with null versionId)
3. Non-versioned buckets (creates main object)

**Why This Is Correct**:
The headers copied EXACTLY match what putToFiler stores during part
upload (lines 496-521 in s3api_object_handlers_put.go). This ensures
detectPrimarySSEType() can correctly identify encrypted multipart
objects and trigger inline decryption with proper metadata.

Fixes: TestSSEMultipartUploadIntegration (SSE-C and SSE-KMS subtests)

* s3: Add debug logging for versioning state diagnosis

Temporary debug logging to diagnose test_versioning_obj_plain_null_version_overwrite_suspended failure.

Added glog.V(0) logging to show:
1. setBucketVersioningStatus: when versioning status is changed
2. PutObjectHandler: what versioning state is detected (Enabled/Suspended/none)
3. PutObjectHandler: which code path is taken (putVersionedObject vs putSuspendedVersioningObject)

This will help identify if:
- The versioning status is being set correctly in bucket config
- The cache is returning stale/incorrect versioning state
- The switch statement is correctly routing to suspended vs enabled handlers

* s3: Enhanced versioning state tracing for suspended versioning diagnosis

Added comprehensive logging across the entire versioning state flow:

PutBucketVersioningHandler:
- Log requested status (Enabled/Suspended)
- Log when calling setBucketVersioningStatus
- Log success/failure of status change

setBucketVersioningStatus:
- Log bucket and status being set
- Log when config is updated
- Log completion with error code

updateBucketConfig:
- Log versioning state being written to cache
- Immediate cache verification after Set
- Log if cache verification fails

getVersioningState:
- Log bucket name and state being returned
- Log if object lock forces VersioningEnabled
- Log errors

This will reveal:
1. If PutBucketVersioning(Suspended) is reaching the handler
2. If the cache update succeeds
3. What state getVersioningState returns during PUT
4. Any cache consistency issues

Expected to show why bucket still reports 'Enabled' after 'Suspended' call.

* s3: Add SSE chunk detection debugging for multipart uploads

Added comprehensive logging to diagnose why TestSSEMultipartUploadIntegration fails:

detectPrimarySSEType now logs:
1. Total chunk count and extended header count
2. All extended headers with 'sse'/'SSE'/'encryption' in the name
3. For each chunk: index, SseType, and whether it has metadata
4. Final SSE type counts (SSE-C, SSE-KMS, SSE-S3)

This will reveal if:
- Chunks are missing SSE metadata after multipart completion
- Extended headers are copied correctly from first part
- The SSE detection logic is working correctly

Expected to show if chunks have SseType=0 (none) or proper SSE types set.

* s3: Trace SSE chunk metadata through multipart completion and retrieval

Added end-to-end logging to track SSE chunk metadata lifecycle:

**During Multipart Completion (filer_multipart.go)**:
1. Log finalParts chunks BEFORE mkFile - shows SseType and metadata
2. Log versionEntry.Chunks INSIDE mkFile callback - shows if mkFile preserves SSE info
3. Log success after mkFile completes

**During GET Retrieval (s3api_object_handlers.go)**:
1. Log retrieved entry chunks - shows SseType and metadata after retrieval
2. Log detected SSE type result

This will reveal at which point SSE chunk metadata is lost:
- If finalParts have SSE metadata but versionEntry.Chunks don't → mkFile bug
- If versionEntry.Chunks have SSE metadata but retrieved chunks don't → storage/retrieval bug
- If chunks never have SSE metadata → multipart completion SSE processing bug

Expected to show chunks with SseType=NONE during retrieval even though
they were created with proper SseType during multipart completion.

* s3: Fix SSE-C multipart IV base64 decoding bug

**Critical Bug Found**: SSE-C multipart uploads were failing because:

Root Cause:
- entry.Extended[SeaweedFSSSEIV] stores base64-encoded IV (24 bytes for 16-byte IV)
- SerializeSSECMetadata expects raw IV bytes (16 bytes)
- During multipart completion, we were passing base64 IV directly → serialization error

Error Message:
"Failed to serialize SSE-C metadata for chunk in part X: invalid IV length: expected 16 bytes, got 24"

Fix:
- Base64-decode IV before passing to SerializeSSECMetadata
- Added error handling for decode failures

Impact:
- SSE-C multipart uploads will now correctly serialize chunk metadata
- Chunks will have proper SSE metadata for decryption during GET

This fixes the SSE-C subtest of TestSSEMultipartUploadIntegration.
SSE-KMS still has a separate issue (error code 23) being investigated.

* fixes

* kms sse

* handle retry if not found in .versions folder and should read the normal object

* quick check (no retries) to see if the .versions/ directory exists

* skip retry if object is not found

* explicit update to avoid sync delay

* fix map update lock

* Remove fmt.Printf debug statements

* Fix SSE-KMS multipart base IV fallback to fail instead of regenerating

* fmt

* Fix ACL grants storage logic

* header handling

* nil handling

* range read for sse content

* test range requests for sse objects

* fmt

* unused code

* upload in chunks

* header case

* fix url

* bucket policy error vs bucket not found

* jwt handling

* fmt

* jwt in request header

* Optimize Case-Insensitive Prefix Check

* dead code

* Eliminated Unnecessary Stream Prefetch for Multipart SSE

* range sse

* sse

* refactor

* context

* fmt

* fix type

* fix SSE-C IV Mismatch

* Fix Headers Being Set After WriteHeader

* fix url parsing

* propergate sse headers

* multipart sse-s3

* aws sig v4 authen

* sse kms

* set content range

* better errors

* Update s3api_object_handlers_copy.go

* Update s3api_object_handlers.go

* Update s3api_object_handlers.go

* avoid magic number

* clean up

* Update s3api_bucket_policy_handlers.go

* fix url parsing

* context

* data and metadata both use background context

* adjust the offset

* SSE Range Request IV Calculation

* adjust logs

* IV relative to offset in each part, not the whole file

* collect logs

* offset

* fix offset

* fix url

* logs

* variable

* jwt

* Multipart ETag semantics: conditionally set object-level Md5 for single-chunk uploads only.

* sse

* adjust IV and offset

* multipart boundaries

* ensures PUT and GET operations return consistent ETags

* Metadata Header Case

* CommonPrefixes Sorting with URL Encoding

* always sort

* remove the extra PathUnescape call

* fix the multipart get part ETag

* the FileChunk is created without setting ModifiedTsNs

* Sort CommonPrefixes lexicographically to match AWS S3 behavior

* set md5 for multipart uploads

* prevents any potential data loss or corruption in the small-file inline storage path

* compiles correctly

* decryptedReader will now be properly closed after use

* Fixed URL encoding and sort order for CommonPrefixes

* Update s3api_object_handlers_list.go

* SSE-x Chunk View Decryption

* Different IV offset calculations for single-part vs multipart objects

* still too verbose in logs

* less logs

* ensure correct conversion

* fix listing

* nil check

* minor fixes

* nil check

* single character delimiter

* optimize

* range on empty object or zero-length

* correct IV based on its position within that part, not its position in the entire object

* adjust offset

* offset

Fetch FULL encrypted chunk (not just the range)
Adjust IV by PartOffset/ChunkOffset only
Decrypt full chunk
Skip in the DECRYPTED stream to reach OffsetInChunk

* look breaking

* refactor

* error on no content

* handle intra-block byte skipping

* Incomplete HTTP Response Error Handling

* multipart SSE

* Update s3api_object_handlers.go

* address comments

* less logs

* handling directory

* Optimized rejectDirectoryObjectWithoutSlash() to avoid unnecessary lookups

* Revert "handling directory"

This reverts commit 3a335f0ac33c63f51975abc63c40e5328857a74b.

* constant

* Consolidate nil entry checks in GetObjectHandler

* add range tests

* Consolidate redundant nil entry checks in HeadObjectHandler

* adjust logs

* SSE type

* large files

* large files

Reverted the plain-object range test

* ErrNoEncryptionConfig

* Fixed SSERangeReader Infinite Loop Vulnerability

* Fixed SSE-KMS Multipart ChunkReader HTTP Body Leak

* handle empty directory in S3, added PyArrow tests

* purge unused code

* Update s3_parquet_test.py

* Update requirements.txt

* According to S3 specifications, when both partNumber and Range are present, the Range should apply within the selected part's boundaries, not to the full object.

* handle errors

* errors after writing header

* https

* fix: Wait for volume assignment readiness before running Parquet tests

The test-implicit-dir-with-server test was failing with an Internal Error
because volume assignment was not ready when tests started. This fix adds
a check that attempts a volume assignment and waits for it to succeed
before proceeding with tests.

This ensures that:
1. Volume servers are registered with the master
2. Volume growth is triggered if needed
3. The system can successfully assign volumes for writes

Fixes the timeout issue where boto3 would retry 4 times and fail with
'We encountered an internal error, please try again.'

* sse tests

* store derived IV

* fix: Clean up gRPC ports between tests to prevent port conflicts

The second test (test-implicit-dir-with-server) was failing because the
volume server's gRPC port (18080 = VOLUME_PORT + 10000) was still in use
from the first test. The cleanup code only killed HTTP port processes,
not gRPC port processes.

Added cleanup for gRPC ports in all stop targets:
- Master gRPC: MASTER_PORT + 10000 (19333)
- Volume gRPC: VOLUME_PORT + 10000 (18080)
- Filer gRPC: FILER_PORT + 10000 (18888)

This ensures clean state between test runs in CI.

* add import

* address comments

* docs: Add placeholder documentation files for Parquet test suite

Added three missing documentation files referenced in test/s3/parquet/README.md:

1. TEST_COVERAGE.md - Documents 43 total test cases (17 Go unit tests,
   6 Python integration tests, 20 Python end-to-end tests)

2. FINAL_ROOT_CAUSE_ANALYSIS.md - Explains the s3fs compatibility issue
   with PyArrow, the implicit directory problem, and how the fix works

3. MINIO_DIRECTORY_HANDLING.md - Compares MinIO's directory handling
   approach with SeaweedFS's implementation

Each file contains:
- Title and overview
- Key technical details relevant to the topic
- TODO sections for future expansion

These placeholder files resolve the broken README links and provide
structure for future detailed documentation.

* clean up if metadata operation failed

* Update s3_parquet_test.py

* clean up

* Update Makefile

* Update s3_parquet_test.py

* Update Makefile

* Handle ivSkip for non-block-aligned offsets

* Update README.md

* stop volume server faster

* stop volume server in 1 second

* different IV for each chunk in SSE-S3 and SSE-KMS

* clean up if fails

* testing upload

* error propagation

* fmt

* simplify

* fix copying

* less logs

* endian

* Added marshaling error handling

* handling invalid ranges

* error handling for adding to log buffer

* fix logging

* avoid returning too quickly and ensure proper cleaning up

* Activity Tracking for Disk Reads

* Cleanup Unused Parameters

* Activity Tracking for Kafka Publishers

* Proper Test Error Reporting

* refactoring

* less logs

* less logs

* go fmt

* guard it with if entry.Attributes.TtlSec > 0 to match the pattern used elsewhere.

* Handle bucket-default encryption config errors explicitly for multipart

* consistent activity tracking

* obsolete code for s3 on filer read/write handlers

* Update weed/s3api/s3api_object_handlers_list.go

Co-authored-by: gemini-code-assist[bot] <176961590+gemini-code-assist[bot]@users.noreply.github.com>

---------

Co-authored-by: gemini-code-assist[bot] <176961590+gemini-code-assist[bot]@users.noreply.github.com>
2025-11-18 23:18:35 -08:00
Chris Lu
508d06d9a5 S3: Enforce bucket policy (#7471)
* evaluate policies during authorization

* cache bucket policy

* refactor

* matching with regex special characters

* Case Sensitivity, pattern cache, Dead Code Removal

* Fixed Typo, Restored []string Case, Added Cache Size Limit

* hook up with policy engine

* remove old implementation

* action mapping

* validate

* if not specified, fall through to IAM checks

* fmt

* Fail-close on policy evaluation errors

* Explicit `Allow` bypasses IAM checks

* fix error message

* arn:seaweed => arn:aws

* remove legacy support

* fix tests

* Clean up bucket policy after this test

* fix for tests

* address comments

* security fixes

* fix tests

* temp comment out
2025-11-12 22:14:50 -08:00
Chris Lu
498ac8903f S3: prevent deleting buckets with object locking (#7434)
* prevent deleting buckets with object locking

* addressing comments

* Update s3api_bucket_handlers.go

* address comments

* early return

* refactor

* simplify

* constant

* go fmt
2025-11-03 15:27:20 -08:00
Chris Lu
bdc20d1c1e S3: load bucket object locking configuration if not found in cache (#7422)
* load bucket object locking configuration if not found in cache

* fix cache building, more specific error, add back metrics
2025-10-31 22:35:09 -07:00
Chris Lu
b7b73016dd S3 API: Add SSE-KMS (#7144)
* implement sse-c

* fix Content-Range

* adding tests

* Update s3_sse_c_test.go

* copy sse-c objects

* adding tests

* refactor

* multi reader

* remove extra write header call

* refactor

* SSE-C encrypted objects do not support HTTP Range requests

* robust

* fix server starts

* Update Makefile

* Update Makefile

* ci: remove SSE-C integration tests and workflows; delete test/s3/encryption/

* s3: SSE-C MD5 must be base64 (case-sensitive); fix validation, comparisons, metadata storage; update tests

* minor

* base64

* Update SSE-C_IMPLEMENTATION.md

Co-authored-by: gemini-code-assist[bot] <176961590+gemini-code-assist[bot]@users.noreply.github.com>

* Update weed/s3api/s3api_object_handlers.go

Co-authored-by: gemini-code-assist[bot] <176961590+gemini-code-assist[bot]@users.noreply.github.com>

* Update SSE-C_IMPLEMENTATION.md

Co-authored-by: gemini-code-assist[bot] <176961590+gemini-code-assist[bot]@users.noreply.github.com>

* address comments

* fix test

* fix compilation

* Bucket Default Encryption

To complete the SSE-KMS implementation for production use:
Add AWS KMS Provider - Implement weed/kms/aws/aws_kms.go using AWS SDK
Integrate with S3 Handlers - Update PUT/GET object handlers to use SSE-KMS
Add Multipart Upload Support - Extend SSE-KMS to multipart uploads
Configuration Integration - Add KMS configuration to filer.toml
Documentation - Update SeaweedFS wiki with SSE-KMS usage examples

* store bucket sse config in proto

* add more tests

* Update SSE-C_IMPLEMENTATION.md

Co-authored-by: gemini-code-assist[bot] <176961590+gemini-code-assist[bot]@users.noreply.github.com>

* Fix rebase errors and restore structured BucketMetadata API

Merge Conflict Fixes:
- Fixed merge conflicts in header.go (SSE-C and SSE-KMS headers)
- Fixed merge conflicts in s3api_errors.go (SSE-C and SSE-KMS error codes)
- Fixed merge conflicts in s3_sse_c.go (copy strategy constants)
- Fixed merge conflicts in s3api_object_handlers_copy.go (copy strategy usage)

API Restoration:
- Restored BucketMetadata struct with Tags, CORS, and Encryption fields
- Restored structured API functions: GetBucketMetadata, SetBucketMetadata, UpdateBucketMetadata
- Restored helper functions: UpdateBucketTags, UpdateBucketCORS, UpdateBucketEncryption
- Restored clear functions: ClearBucketTags, ClearBucketCORS, ClearBucketEncryption

Handler Updates:
- Updated GetBucketTaggingHandler to use GetBucketMetadata() directly
- Updated PutBucketTaggingHandler to use UpdateBucketTags()
- Updated DeleteBucketTaggingHandler to use ClearBucketTags()
- Updated CORS handlers to use UpdateBucketCORS() and ClearBucketCORS()
- Updated loadCORSFromBucketContent to use GetBucketMetadata()

Internal Function Updates:
- Updated getBucketMetadata() to return *BucketMetadata struct
- Updated setBucketMetadata() to accept *BucketMetadata struct
- Updated getBucketEncryptionMetadata() to use GetBucketMetadata()
- Updated setBucketEncryptionMetadata() to use SetBucketMetadata()

Benefits:
- Resolved all rebase conflicts while preserving both SSE-C and SSE-KMS functionality
- Maintained consistent structured API throughout the codebase
- Eliminated intermediate wrapper functions for cleaner code
- Proper error handling with better granularity
- All tests passing and build successful

The bucket metadata system now uses a unified, type-safe, structured API
that supports tags, CORS, and encryption configuration consistently.

* Fix updateEncryptionConfiguration for first-time bucket encryption setup

- Change getBucketEncryptionMetadata to getBucketMetadata to avoid failures when no encryption config exists
- Change setBucketEncryptionMetadata to setBucketMetadataWithEncryption for consistency
- This fixes the critical issue where bucket encryption configuration failed for buckets without existing encryption

Fixes: https://github.com/seaweedfs/seaweedfs/pull/7144#discussion_r2285669572

* Fix rebase conflicts and maintain structured BucketMetadata API

Resolved Conflicts:
- Fixed merge conflicts in s3api_bucket_config.go between structured API (HEAD) and old intermediate functions
- Kept modern structured API approach: UpdateBucketCORS, ClearBucketCORS, UpdateBucketEncryption
- Removed old intermediate functions: setBucketTags, deleteBucketTags, setBucketMetadataWithEncryption

API Consistency Maintained:
- updateCORSConfiguration: Uses UpdateBucketCORS() directly
- removeCORSConfiguration: Uses ClearBucketCORS() directly
- updateEncryptionConfiguration: Uses UpdateBucketEncryption() directly
- All structured API functions preserved: GetBucketMetadata, SetBucketMetadata, UpdateBucketMetadata

Benefits:
- Maintains clean separation between API layers
- Preserves atomic metadata updates with proper error handling
- Eliminates function indirection for better performance
- Consistent API usage pattern throughout codebase
- All tests passing and build successful

The bucket metadata system continues to use the unified, type-safe, structured API
that properly handles tags, CORS, and encryption configuration without any
intermediate wrapper functions.

* Fix complex rebase conflicts and maintain clean structured BucketMetadata API

Resolved Complex Conflicts:
- Fixed merge conflicts between modern structured API (HEAD) and mixed approach
- Removed duplicate function declarations that caused compilation errors
- Consistently chose structured API approach over intermediate functions

Fixed Functions:
- BucketMetadata struct: Maintained clean field alignment
- loadCORSFromBucketContent: Uses GetBucketMetadata() directly
- updateCORSConfiguration: Uses UpdateBucketCORS() directly
- removeCORSConfiguration: Uses ClearBucketCORS() directly
- getBucketMetadata: Returns *BucketMetadata struct consistently
- setBucketMetadata: Accepts *BucketMetadata struct consistently

Removed Duplicates:
- Eliminated duplicate GetBucketMetadata implementations
- Eliminated duplicate SetBucketMetadata implementations
- Eliminated duplicate UpdateBucketMetadata implementations
- Eliminated duplicate helper functions (UpdateBucketTags, etc.)

API Consistency Achieved:
- Single, unified BucketMetadata struct for all operations
- Atomic updates through UpdateBucketMetadata with function callbacks
- Type-safe operations with proper error handling
- No intermediate wrapper functions cluttering the API

Benefits:
- Clean, maintainable codebase with no function duplication
- Consistent structured API usage throughout all bucket operations
- Proper error handling and type safety
- Build successful and all tests passing

The bucket metadata system now has a completely clean, structured API
without any conflicts, duplicates, or inconsistencies.

* Update remaining functions to use new structured BucketMetadata APIs directly

Updated functions to follow the pattern established in bucket config:
- getEncryptionConfiguration() -> Uses GetBucketMetadata() directly
- removeEncryptionConfiguration() -> Uses ClearBucketEncryption() directly

Benefits:
- Consistent API usage pattern across all bucket metadata operations
- Simpler, more readable code that leverages the structured API
- Eliminates calls to intermediate legacy functions
- Better error handling and logging consistency
- All tests pass with improved functionality

This completes the transition to using the new structured BucketMetadata API
throughout the entire bucket configuration and encryption subsystem.

* Fix GitHub PR #7144 code review comments

Address all code review comments from Gemini Code Assist bot:

1. **High Priority - SSE-KMS Key Validation**: Fixed ValidateSSEKMSKey to allow empty KMS key ID
   - Empty key ID now indicates use of default KMS key (consistent with AWS behavior)
   - Updated ParseSSEKMSHeaders to call validation after parsing
   - Enhanced isValidKMSKeyID to reject keys with spaces and invalid characters

2. **Medium Priority - KMS Registry Error Handling**: Improved error collection in CloseAll
   - Now collects all provider close errors instead of only returning the last one
   - Uses proper error formatting with %w verb for error wrapping
   - Returns single error for one failure, combined message for multiple failures

3. **Medium Priority - Local KMS Aliases Consistency**: Fixed alias handling in CreateKey
   - Now updates the aliases slice in-place to maintain consistency
   - Ensures both p.keys map and key.Aliases slice use the same prefixed format

All changes maintain backward compatibility and improve error handling robustness.
Tests updated and passing for all scenarios including edge cases.

* Use errors.Join for KMS registry error handling

Replace manual string building with the more idiomatic errors.Join function:

- Removed manual error message concatenation with strings.Builder
- Simplified error handling logic by using errors.Join(allErrors...)
- Removed unnecessary string import
- Added errors import for errors.Join

This approach is cleaner, more idiomatic, and automatically handles:
- Returning nil for empty error slice
- Returning single error for one-element slice
- Properly formatting multiple errors with newlines

The errors.Join function was introduced in Go 1.20 and is the
recommended way to combine multiple errors.

* Update registry.go

* Fix GitHub PR #7144 latest review comments

Address all new code review comments from Gemini Code Assist bot:

1. **High Priority - SSE-KMS Detection Logic**: Tightened IsSSEKMSEncrypted function
   - Now relies only on the canonical x-amz-server-side-encryption header
   - Removed redundant check for x-amz-encrypted-data-key metadata
   - Prevents misinterpretation of objects with inconsistent metadata state
   - Updated test case to reflect correct behavior (encrypted data key only = false)

2. **Medium Priority - UUID Validation**: Enhanced KMS key ID validation
   - Replaced simplistic length/hyphen count check with proper regex validation
   - Added regexp import for robust UUID format checking
   - Regex pattern: ^[a-fA-F0-9]{8}-[a-fA-F0-9]{4}-[a-fA-F0-9]{4}-[a-fA-F0-9]{4}-[a-fA-F0-9]{12}$
   - Prevents invalid formats like '------------------------------------' from passing

3. **Medium Priority - Alias Mutation Fix**: Avoided input slice modification
   - Changed CreateKey to not mutate the input aliases slice in-place
   - Uses local variable for modified alias to prevent side effects
   - Maintains backward compatibility while being safer for callers

All changes improve code robustness and follow AWS S3 standards more closely.
Tests updated and passing for all scenarios including edge cases.

* Fix failing SSE tests

Address two failing test cases:

1. **TestSSEHeaderConflicts**: Fixed SSE-C and SSE-KMS mutual exclusion
   - Modified IsSSECRequest to return false if SSE-KMS headers are present
   - Modified IsSSEKMSRequest to return false if SSE-C headers are present
   - This prevents both detection functions from returning true simultaneously
   - Aligns with AWS S3 behavior where SSE-C and SSE-KMS are mutually exclusive

2. **TestBucketEncryptionEdgeCases**: Fixed XML namespace validation
   - Added namespace validation in encryptionConfigFromXMLBytes function
   - Now rejects XML with invalid namespaces (only allows empty or AWS standard namespace)
   - Validates XMLName.Space to ensure proper XML structure
   - Prevents acceptance of malformed XML with incorrect namespaces

Both fixes improve compliance with AWS S3 standards and prevent invalid
configurations from being accepted. All SSE and bucket encryption tests
now pass successfully.

* Fix GitHub PR #7144 latest review comments

Address two new code review comments from Gemini Code Assist bot:

1. **High Priority - Race Condition in UpdateBucketMetadata**: Fixed thread safety issue
   - Added per-bucket locking mechanism to prevent race conditions
   - Introduced bucketMetadataLocks map with RWMutex for each bucket
   - Added getBucketMetadataLock helper with double-checked locking pattern
   - UpdateBucketMetadata now uses bucket-specific locks to serialize metadata updates
   - Prevents last-writer-wins scenarios when concurrent requests update different metadata parts

2. **Medium Priority - KMS Key ARN Validation**: Improved robustness of ARN validation
   - Enhanced isValidKMSKeyID function to strictly validate ARN structure
   - Changed from 'len(parts) >= 6' to 'len(parts) != 6' for exact part count
   - Added proper resource validation for key/ and alias/ prefixes
   - Prevents malformed ARNs with incorrect structure from being accepted
   - Now validates: arn:aws:kms:region:account:key/keyid or arn:aws:kms:region:account:alias/aliasname

Both fixes improve system reliability and prevent edge cases that could cause
data corruption or security issues. All existing tests continue to pass.

* format

* address comments

* Configuration Adapter

* Regex Optimization

* Caching Integration

* add negative cache for non-existent buckets

* remove bucketMetadataLocks

* address comments

* address comments

* copying objects with sse-kms

* copying strategy

* store IV in entry metadata

* implement compression reader

* extract json map as sse kms context

* bucket key

* comments

* rotate sse chunks

* KMS Data Keys use AES-GCM + nonce

* add comments

* Update weed/s3api/s3_sse_kms.go

Co-authored-by: gemini-code-assist[bot] <176961590+gemini-code-assist[bot]@users.noreply.github.com>

* Update s3api_object_handlers_put.go

* get IV from response header

* set sse headers

* Update s3api_object_handlers.go

* deterministic JSON marshaling

* store iv in entry metadata

* address comments

* not used

* store iv in destination metadata

ensures that SSE-C copy operations with re-encryption (decrypt/re-encrypt scenario) now properly store the destination encryption metadata

* add todo

* address comments

* SSE-S3 Deserialization

* add BucketKMSCache to BucketConfig

* fix test compilation

* already not empty

* use constants

* fix: critical metadata (encrypted data keys, encryption context, etc.) was never stored during PUT/copy operations

* address comments

* fix tests

* Fix SSE-KMS Copy Re-encryption

* Cache now persists across requests

* fix test

* iv in metadata only

* SSE-KMS copy operations should follow the same pattern as SSE-C

* fix size overhead calculation

* Filer-Side SSE Metadata Processing

* SSE Integration Tests

* fix tests

* clean up

* Update s3_sse_multipart_test.go

* add s3 sse tests

* unused

* add logs

* Update Makefile

* Update Makefile

* s3 health check

* The tests were failing because they tried to run both SSE-C and SSE-KMS tests

* Update weed/s3api/s3_sse_c.go

Co-authored-by: gemini-code-assist[bot] <176961590+gemini-code-assist[bot]@users.noreply.github.com>

* Update Makefile

* add back

* Update Makefile

* address comments

* fix tests

* Update s3-sse-tests.yml

* Update s3-sse-tests.yml

* fix sse-kms for PUT operation

* IV

* Update auth_credentials.go

* fix multipart with kms

* constants

* multipart sse kms

Modified handleSSEKMSResponse to detect multipart SSE-KMS objects
Added createMultipartSSEKMSDecryptedReader to handle each chunk independently
Each chunk now gets its own decrypted reader before combining into the final stream

* validate key id

* add SSEType

* permissive kms key format

* Update s3_sse_kms_test.go

* format

* assert equal

* uploading SSE-KMS metadata per chunk

* persist sse type and metadata

* avoid re-chunk multipart uploads

* decryption process to use stored PartOffset values

* constants

* sse-c multipart upload

* Unified Multipart SSE Copy

* purge

* fix fatalf

* avoid io.MultiReader which does not close underlying readers

* unified cross-encryption

* fix Single-object SSE-C

* adjust constants

* range read sse files

* remove debug logs

---------

Co-authored-by: gemini-code-assist[bot] <176961590+gemini-code-assist[bot]@users.noreply.github.com>
2025-08-21 08:28:07 -07:00
Chris Lu
33b9017b48 fix listing objects (#7008)
* fix listing objects

* add more list testing

* address comments

* fix next marker

* fix isTruncated in listing

* fix tests

* address tests

* Update s3api_object_handlers_multipart.go

* fixes

* store json into bucket content, for tagging and cors

* switch bucket metadata from json to proto

* fix

* Update s3api_bucket_config.go

* fix test issue

* fix test_bucket_listv2_delimiter_prefix

* Update cors.go

* skip special characters

* passing listing

* fix test_bucket_list_delimiter_prefix

* ok. fix the xsd generated go code now

* fix cors tests

* fix test

* fix test_bucket_list_unordered and test_bucket_listv2_unordered

do not accept the allow-unordered and delimiter parameter combination

* fix test_bucket_list_objects_anonymous and test_bucket_listv2_objects_anonymous

The tests test_bucket_list_objects_anonymous and test_bucket_listv2_objects_anonymous were failing because they try to set bucket ACL to public-read, but SeaweedFS only supported private ACL.

Updated PutBucketAclHandler to use the existing ExtractAcl function which already supports all standard S3 canned ACLs
Replaced the hardcoded check for only private ACL with proper ACL parsing that handles public-read, public-read-write, authenticated-read, bucket-owner-read, bucket-owner-full-control, etc.
Added unit tests to verify all standard canned ACLs are accepted

* fix list unordered

The test is expecting the error code to be InvalidArgument instead of InvalidRequest

* allow anonymous listing( and head, get)

* fix test_bucket_list_maxkeys_invalid

Invalid values: max-keys=blah → Returns ErrInvalidMaxKeys (HTTP 400)

* updating IsPublicRead when parsing acl

* more logs

* CORS Test Fix

* fix test_bucket_list_return_data

* default to private

* fix test_bucket_list_delimiter_not_skip_special

* default no acl

* add debug logging

* more logs

* use basic http client

remove logs also

* fixes

* debug

* Update stats.go

* debugging

* fix anonymous test expectation

anonymous user can read, as configured in s3 json.
2025-07-22 01:07:15 -07:00
Chris Lu
c6a22ce43a Fix get object lock configuration handler (#6996)
* fix GetObjectLockConfigurationHandler

* cache and use bucket object lock config

* subscribe to bucket configuration changes

* increase bucket config cache TTL

* refactor

* Update weed/s3api/s3api_server.go

Co-authored-by: gemini-code-assist[bot] <176961590+gemini-code-assist[bot]@users.noreply.github.com>

* avoid duplidated work

* rename variable

* Update s3api_object_handlers_put.go

* fix routing

* admin ui and api handler are consistent now

* use fields instead of xml

* fix test

* address comments

* Update weed/s3api/s3api_object_handlers_put.go

Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>

* Update test/s3/retention/s3_retention_test.go

Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>

* Update weed/s3api/object_lock_utils.go

Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>

* change error style

* errorf

---------

Co-authored-by: gemini-code-assist[bot] <176961590+gemini-code-assist[bot]@users.noreply.github.com>
Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>
2025-07-18 02:19:50 -07:00
chrislu
cbc24c7b24 disconnect from old subscribers 2023-10-13 16:48:14 -07:00
chrislu
b02fdeabff RetryForever => RetryUntil 2023-10-01 11:33:56 -07:00
chrislu
5db9fcccd4 refactoring 2023-03-21 23:01:49 -07:00
LHHDZ
3de1e19780 s3: sync bucket info from filer (#3759) 2022-09-29 12:29:01 -07:00
chrislu
31922b2bf2 s3 to watch specific directories 2022-09-20 09:30:05 -07:00
chrislu
21c0587900 go fmt 2022-09-14 23:06:44 -07:00
Ryan Russell
d54eb9966f refactor: Directory readability (#3665) 2022-09-14 10:11:31 -07:00
chrislu
26dbc6c905 move to https://github.com/seaweedfs/seaweedfs 2022-07-29 00:17:28 -07:00
chrislu
64f3d6fb6e metadata subscription uses client epoch 2022-07-23 10:50:28 -07:00
石昌林
3dd60529c5 some code optimizations 2022-06-17 19:07:39 +08:00
石昌林
37df209195 add some unit tests and some code optimizes 2022-06-17 17:11:18 +08:00
石昌林
78b3728169 add s3 circuit breaker support for 'simultaneous request count' and 'simultaneous request bytes' limitations
configure s3 circuit breaker by 'command_s3_circuitbreaker.go':
usage eg:
# Configure the number of simultaneous global (current s3api node) requests
s3.circuit.breaker -global -type count -actions Write -values 1000 -apply

# Configure the number of simultaneous requests for bucket x read and write
s3.circuit.breaker -buckets -type count -actions Read,Write -values 1000 -apply

# Configure the total bytes of simultaneous requests for bucket write
s3.circuit.breaker -buckets -type bytes -actions Write -values 100MiB -apply

# Disable circuit breaker config of bucket 'x'
s3.circuit.breaker -buckets x -enable false -apply

# Delete circuit breaker config of bucket 'x'
s3.circuit.breaker -buckets x -delete -apply
2022-06-15 21:07:55 +08:00
creeew
02ae102731 fix filer.sync missing source srv uploaded files to target when target down 2022-06-02 01:28:47 +08:00
chrislu
a2b101a737 subscribe metadata between a range 2022-05-30 15:04:19 -07:00
chrislu
29198720f2 s3: add grpc server to accept configuration changes 2022-05-15 00:43:37 -07:00
chrislu
5c87fcc6d2 add client id for all metadata listening clients 2021-12-30 00:23:57 -08:00
Chris Lu
004e56c1a6 save updated lastTsNs 2021-10-17 02:01:20 -07:00
Chris Lu
71a8c80f6f s3: continuously listen to file updates
fix https://github.com/chrislusf/seaweedfs/issues/2342
2021-10-17 01:04:19 -07:00
Chris Lu
6b743dbbf9 refactor client subscribe metadata 2021-08-04 16:25:46 -07:00
Chris Lu
765b3ef1be save /etc/iam/identity.json inside filer store 2020-12-10 00:15:22 -08:00
Chris Lu
eed87791b7 s3: subscribe to s3.configure changes 2020-12-07 00:10:29 -08:00