Files
upstream-seaweedfs/weed/admin/dash/user_management.go
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480 lines
14 KiB
Go

package dash
import (
"context"
"crypto/rand"
"errors"
"fmt"
"strings"
"time"
"github.com/seaweedfs/seaweedfs/weed/credential"
"github.com/seaweedfs/seaweedfs/weed/glog"
"github.com/seaweedfs/seaweedfs/weed/iam"
"github.com/seaweedfs/seaweedfs/weed/pb/iam_pb"
)
var (
ErrAccessKeyInUse = errors.New("access key already in use")
ErrUserNotFound = errors.New("user not found")
ErrInvalidInput = errors.New("invalid input")
)
// CreateObjectStoreUser creates a new user using the credential manager
func (s *AdminServer) CreateObjectStoreUser(req CreateUserRequest) (*ObjectStoreUser, error) {
if s.credentialManager == nil {
return nil, fmt.Errorf("credential manager not available")
}
ctx := context.Background()
// Create new identity
newIdentity := &iam_pb.Identity{
Name: req.Username,
Actions: req.Actions,
PolicyNames: req.PolicyNames,
}
// Add account if email is provided
if req.Email != "" {
newIdentity.Account = &iam_pb.Account{
Id: generateAccountId(),
DisplayName: req.Username,
EmailAddress: req.Email,
}
}
// Generate access key if requested
var accessKey, secretKey string
if req.GenerateKey {
accessKey = generateAccessKey()
secretKey = generateSecretKey()
newIdentity.Credentials = []*iam_pb.Credential{
{
AccessKey: accessKey,
SecretKey: secretKey,
},
}
}
// Create user using credential manager
err := s.credentialManager.CreateUser(ctx, newIdentity)
if err != nil {
if err == credential.ErrUserAlreadyExists {
return nil, fmt.Errorf("user %s already exists", req.Username)
}
return nil, fmt.Errorf("failed to create user: %w", err)
}
// Return created user
user := &ObjectStoreUser{
Username: req.Username,
Email: req.Email,
AccessKey: accessKey,
SecretKey: secretKey,
Permissions: req.Actions,
PolicyNames: req.PolicyNames,
}
return user, nil
}
// UpdateObjectStoreUser updates an existing user
func (s *AdminServer) UpdateObjectStoreUser(username string, req UpdateUserRequest) (*ObjectStoreUser, error) {
if s.credentialManager == nil {
return nil, fmt.Errorf("credential manager not available")
}
ctx := context.Background()
// Get existing user
identity, err := s.credentialManager.GetUser(ctx, username)
if err != nil {
if err == credential.ErrUserNotFound {
return nil, fmt.Errorf("user %s not found", username)
}
return nil, fmt.Errorf("failed to get user: %w", err)
}
// Create updated identity
updatedIdentity := &iam_pb.Identity{
Name: identity.Name,
Account: identity.Account,
Credentials: identity.Credentials,
Actions: identity.Actions,
PolicyNames: identity.PolicyNames,
}
// Update actions if provided
if req.Actions != nil {
updatedIdentity.Actions = req.Actions
}
// Always update policy names when present in request (even if empty to allow clearing)
if req.PolicyNames != nil {
updatedIdentity.PolicyNames = req.PolicyNames
}
// Update email if provided
if req.Email != "" {
if updatedIdentity.Account == nil {
updatedIdentity.Account = &iam_pb.Account{
Id: generateAccountId(),
DisplayName: username,
}
}
updatedIdentity.Account.EmailAddress = req.Email
}
// Update user using credential manager
err = s.credentialManager.UpdateUser(ctx, username, updatedIdentity)
if err != nil {
return nil, fmt.Errorf("failed to update user: %w", err)
}
// Return updated user
user := &ObjectStoreUser{
Username: username,
Email: req.Email,
Permissions: updatedIdentity.Actions,
PolicyNames: updatedIdentity.PolicyNames,
}
// Get first access key for display
if len(updatedIdentity.Credentials) > 0 {
user.AccessKey = updatedIdentity.Credentials[0].AccessKey
user.SecretKey = updatedIdentity.Credentials[0].SecretKey
}
return user, nil
}
// DeleteObjectStoreUser deletes a user using the credential manager
func (s *AdminServer) DeleteObjectStoreUser(username string) error {
if s.credentialManager == nil {
return fmt.Errorf("credential manager not available")
}
ctx := context.Background()
// Delete user using credential manager
err := s.credentialManager.DeleteUser(ctx, username)
if err != nil {
if err == credential.ErrUserNotFound {
return fmt.Errorf("user %s not found", username)
}
return fmt.Errorf("failed to delete user: %w", err)
}
return nil
}
// GetObjectStoreUserDetails returns detailed information about a user
func (s *AdminServer) GetObjectStoreUserDetails(username string) (*UserDetails, error) {
if s.credentialManager == nil {
return nil, fmt.Errorf("credential manager not available")
}
ctx := context.Background()
// Get user using credential manager (resolves static users via filer gRPC)
identity, err := s.credentialManager.GetUser(ctx, username)
if err != nil {
if err == credential.ErrUserNotFound {
return nil, fmt.Errorf("user %s not found", username)
}
return nil, fmt.Errorf("failed to get user: %w", err)
}
details := &UserDetails{
Username: username,
Actions: identity.Actions,
PolicyNames: identity.PolicyNames,
}
// Inline user policies are stored separately from the identity record and
// are authoritative at enforcement time (they take precedence over the
// legacy Actions list). Surface their names alongside attached policies so
// the admin reflects the user's actual permissions rather than only the
// (potentially overridden) Actions.
if inlinePolicyNames, err := s.credentialManager.ListUserInlinePolicies(ctx, username); err != nil {
glog.Warningf("failed to list inline policies for user %s: %v", username, err)
} else if len(inlinePolicyNames) > 0 {
details.PolicyNames = append(details.PolicyNames, inlinePolicyNames...)
}
// Set email from account if available
if identity.Account != nil {
details.Email = identity.Account.EmailAddress
}
// Look up groups the user belongs to
groupNames, err := s.credentialManager.ListGroups(ctx)
if err != nil {
return nil, fmt.Errorf("failed to list groups: %w", err)
}
for _, gName := range groupNames {
g, err := s.credentialManager.GetGroup(ctx, gName)
if err != nil {
return nil, fmt.Errorf("failed to get group %s: %w", gName, err)
}
for _, member := range g.Members {
if member == username {
details.Groups = append(details.Groups, gName)
break
}
}
}
// Convert credentials to access key info
for _, cred := range identity.Credentials {
details.AccessKeys = append(details.AccessKeys, AccessKeyInfo{
AccessKey: cred.AccessKey,
SecretKey: cred.SecretKey,
Status: cred.Status,
CreatedAt: time.Now().AddDate(0, -1, 0), // Mock creation date
})
}
return details, nil
}
// CreateAccessKey creates a new access key for a user
func (s *AdminServer) CreateAccessKey(username string, req *CreateAccessKeyRequest) (*AccessKeyInfo, error) {
if s.credentialManager == nil {
return nil, fmt.Errorf("credential manager not available")
}
ctx := context.Background()
// Check if user exists
_, err := s.credentialManager.GetUser(ctx, username)
if err != nil {
if err == credential.ErrUserNotFound {
return nil, fmt.Errorf("user %s: %w", username, ErrUserNotFound)
}
return nil, fmt.Errorf("failed to get user: %w", err)
}
if req == nil {
req = &CreateAccessKeyRequest{}
}
// Validate provided keys (shared with the IAM API and embedded IAM paths).
if req.AccessKey != "" {
if err := iam.ValidateCallerSuppliedAccessKeyId(req.AccessKey); err != nil {
return nil, fmt.Errorf("%s: %w", err.Error(), ErrInvalidInput)
}
}
if req.SecretKey != "" {
if err := iam.ValidateCallerSuppliedSecretAccessKey(req.SecretKey); err != nil {
return nil, fmt.Errorf("%s: %w", err.Error(), ErrInvalidInput)
}
}
// Enforce the both-or-none rule to match the IAM API and embedded IAM
// paths — silently generating the missing half lets a caller end up
// with a credential they did not fully choose.
if (req.AccessKey != "") != (req.SecretKey != "") {
return nil, fmt.Errorf("access key and secret key must be supplied together: %w", ErrInvalidInput)
}
// Use provided keys or generate new ones
accessKey := req.AccessKey
secretKey := req.SecretKey
if accessKey == "" {
accessKey = generateAccessKey()
secretKey = generateSecretKey()
}
// Verify access key is globally unique
existingUser, err := s.credentialManager.GetUserByAccessKey(ctx, accessKey)
if existingUser != nil {
return nil, ErrAccessKeyInUse
}
if err != nil && !errors.Is(err, credential.ErrAccessKeyNotFound) && !isNotFoundError(err) {
return nil, fmt.Errorf("failed to check access key uniqueness: %w", err)
}
credential := &iam_pb.Credential{
AccessKey: accessKey,
SecretKey: secretKey,
Status: AccessKeyStatusActive,
}
// Create access key using credential manager
err = s.credentialManager.CreateAccessKey(ctx, username, credential)
if err != nil {
return nil, fmt.Errorf("failed to create access key: %w", err)
}
return &AccessKeyInfo{
AccessKey: accessKey,
SecretKey: secretKey,
Status: AccessKeyStatusActive,
CreatedAt: time.Now(),
}, nil
}
// DeleteAccessKey deletes an access key for a user
func (s *AdminServer) DeleteAccessKey(username, accessKeyId string) error {
if s.credentialManager == nil {
return fmt.Errorf("credential manager not available")
}
ctx := context.Background()
// Delete access key using credential manager
err := s.credentialManager.DeleteAccessKey(ctx, username, accessKeyId)
if err != nil {
if err == credential.ErrUserNotFound {
return fmt.Errorf("user %s not found", username)
}
if err == credential.ErrAccessKeyNotFound {
return fmt.Errorf("access key %s not found for user %s", accessKeyId, username)
}
return fmt.Errorf("failed to delete access key: %w", err)
}
return nil
}
// UpdateAccessKeyStatus updates the status of an access key for a user
func (s *AdminServer) UpdateAccessKeyStatus(username, accessKeyId, status string) error {
if s.credentialManager == nil {
return fmt.Errorf("credential manager not available")
}
// Validate status against allowed values
if status != AccessKeyStatusActive && status != AccessKeyStatusInactive {
return fmt.Errorf("invalid status '%s': must be '%s' or '%s'", status, AccessKeyStatusActive, AccessKeyStatusInactive)
}
ctx := context.Background()
// Get user using credential manager
identity, err := s.credentialManager.GetUser(ctx, username)
if err != nil {
if err == credential.ErrUserNotFound {
return fmt.Errorf("user %s not found", username)
}
return fmt.Errorf("failed to get user: %w", err)
}
// Find and update the access key status
found := false
for _, cred := range identity.Credentials {
if cred.AccessKey == accessKeyId {
cred.Status = status
found = true
break
}
}
if !found {
return fmt.Errorf("access key %s not found for user %s", accessKeyId, username)
}
// Update user using credential manager
err = s.credentialManager.UpdateUser(ctx, username, identity)
if err != nil {
return fmt.Errorf("failed to update user access key status: %w", err)
}
return nil
}
// GetUserPolicies returns the policies for a user (actions)
func (s *AdminServer) GetUserPolicies(username string) ([]string, error) {
if s.credentialManager == nil {
return nil, fmt.Errorf("credential manager not available")
}
ctx := context.Background()
// Get user using credential manager
identity, err := s.credentialManager.GetUser(ctx, username)
if err != nil {
if err == credential.ErrUserNotFound {
return nil, fmt.Errorf("user %s not found", username)
}
return nil, fmt.Errorf("failed to get user: %w", err)
}
return identity.Actions, nil
}
// UpdateUserPolicies updates the policies (actions) for a user
func (s *AdminServer) UpdateUserPolicies(username string, actions []string) error {
if s.credentialManager == nil {
return fmt.Errorf("credential manager not available")
}
ctx := context.Background()
// Get existing user
identity, err := s.credentialManager.GetUser(ctx, username)
if err != nil {
if err == credential.ErrUserNotFound {
return fmt.Errorf("user %s not found", username)
}
return fmt.Errorf("failed to get user: %w", err)
}
// Create updated identity with new actions
updatedIdentity := &iam_pb.Identity{
Name: identity.Name,
Account: identity.Account,
Credentials: identity.Credentials,
Actions: actions,
PolicyNames: identity.PolicyNames,
}
// Update user using credential manager
err = s.credentialManager.UpdateUser(ctx, username, updatedIdentity)
if err != nil {
return fmt.Errorf("failed to update user policies: %w", err)
}
return nil
}
// isNotFoundError checks for "not found" in the error message as a fallback
// for stores (e.g. gRPC) that don't return the credential.ErrAccessKeyNotFound sentinel.
func isNotFoundError(err error) bool {
return err != nil && strings.Contains(strings.ToLower(err.Error()), "not found")
}
// Helper functions for generating keys and IDs
func generateAccessKey() string {
// Generate 20-character access key (AWS standard)
const charset = "ABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789"
b := make([]byte, 20)
for i := range b {
b[i] = charset[randomInt(len(charset))]
}
return string(b)
}
func generateSecretKey() string {
// Use the IAM helper to generate URL-safe secret keys (no +, / characters)
// that won't break S3 signature authentication
key, err := iam.GenerateSecretAccessKey()
if err != nil {
panic(fmt.Sprintf("failed to generate secret key: %v", err))
}
return key
}
func generateAccountId() string {
// Generate 12-digit account ID
b := make([]byte, 4)
rand.Read(b)
val := (uint32(b[0])<<24 | uint32(b[1])<<16 | uint32(b[2])<<8 | uint32(b[3]))
return fmt.Sprintf("%012d", val)
}
func randomInt(max int) int {
b := make([]byte, 1)
rand.Read(b)
return int(b[0]) % max
}