83 lines
3.1 KiB
Go
83 lines
3.1 KiB
Go
package mssql
|
|
|
|
import (
|
|
"context"
|
|
"errors"
|
|
)
|
|
|
|
// Federated authentication library affects the login data structure and message sequence.
|
|
const (
|
|
// fedAuthLibraryLiveIDCompactToken specifies the Microsoft Live ID Compact Token authentication scheme
|
|
fedAuthLibraryLiveIDCompactToken = 0x00
|
|
|
|
// fedAuthLibrarySecurityToken specifies a token-based authentication where the token is available
|
|
// without additional information provided during the login sequence.
|
|
fedAuthLibrarySecurityToken = 0x01
|
|
|
|
// fedAuthLibraryADAL specifies a token-based authentication where a token is obtained during the
|
|
// login sequence using the server SPN and STS URL provided by the server during login.
|
|
fedAuthLibraryADAL = 0x02
|
|
|
|
// fedAuthLibraryReserved is used to indicate that no federated authentication scheme applies.
|
|
fedAuthLibraryReserved = 0x7F
|
|
)
|
|
|
|
// Federated authentication ADAL workflow affects the mechanism used to authenticate.
|
|
const (
|
|
// fedAuthADALWorkflowPassword uses a username/password to obtain a token from Active Directory
|
|
fedAuthADALWorkflowPassword = 0x01
|
|
|
|
// fedAuthADALWorkflowPassword uses the Windows identity to obtain a token from Active Directory
|
|
fedAuthADALWorkflowIntegrated = 0x02
|
|
|
|
// fedAuthADALWorkflowMSI uses the managed identity service to obtain a token
|
|
fedAuthADALWorkflowMSI = 0x03
|
|
)
|
|
|
|
// newSecurityTokenConnector creates a new connector from a DSN and a token provider.
|
|
// When invoked, token provider implementations should contact the security token
|
|
// service specified and obtain the appropriate token, or return an error
|
|
// to indicate why a token is not available.
|
|
// The returned connector may be used with sql.OpenDB.
|
|
func newSecurityTokenConnector(dsn string, tokenProvider func(ctx context.Context) (string, error)) (*Connector, error) {
|
|
if tokenProvider == nil {
|
|
return nil, errors.New("mssql: tokenProvider cannot be nil")
|
|
}
|
|
|
|
conn, err := NewConnector(dsn)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
|
|
conn.params.fedAuthLibrary = fedAuthLibrarySecurityToken
|
|
conn.securityTokenProvider = tokenProvider
|
|
|
|
return conn, nil
|
|
}
|
|
|
|
// newADALTokenConnector creates a new connector from a DSN and a Active Directory token provider.
|
|
// Token provider implementations are called during federated
|
|
// authentication login sequences where the server provides a service
|
|
// principal name and security token service endpoint that should be used
|
|
// to obtain the token. Implementations should contact the security token
|
|
// service specified and obtain the appropriate token, or return an error
|
|
// to indicate why a token is not available.
|
|
//
|
|
// The returned connector may be used with sql.OpenDB.
|
|
func newActiveDirectoryTokenConnector(dsn string, adalWorkflow byte, tokenProvider func(ctx context.Context, serverSPN, stsURL string) (string, error)) (*Connector, error) {
|
|
if tokenProvider == nil {
|
|
return nil, errors.New("mssql: tokenProvider cannot be nil")
|
|
}
|
|
|
|
conn, err := NewConnector(dsn)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
|
|
conn.params.fedAuthLibrary = fedAuthLibraryADAL
|
|
conn.params.fedAuthADALWorkflow = adalWorkflow
|
|
conn.adalTokenProvider = tokenProvider
|
|
|
|
return conn, nil
|
|
}
|