forked from vmware-archive/atc
/
team_factory.go
237 lines (190 loc) · 4.54 KB
/
team_factory.go
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package db
import (
"database/sql"
"errors"
"fmt"
"strings"
"encoding/json"
sq "github.com/Masterminds/squirrel"
"github.com/concourse/atc"
"github.com/concourse/atc/db/lock"
)
//go:generate counterfeiter . TeamFactory
type TeamFactory interface {
CreateTeam(atc.Team) (Team, error)
FindTeam(string) (Team, bool, error)
GetTeams() ([]Team, error)
GetByID(teamID int) Team
CreateDefaultTeamIfNotExists() (Team, error)
}
var ErrDataIsEncrypted = errors.New("failed to decrypt data that is encrypted")
var ErrDataIsNotEncrypted = errors.New("failed to decrypt data that is not encrypted")
//go:generate counterfeiter . EncryptionStrategy
type EncryptionStrategy interface {
Encrypt([]byte) (string, *string, error)
Decrypt(string, *string) ([]byte, error)
}
type teamFactory struct {
conn Conn
lockFactory lock.LockFactory
}
func NewTeamFactory(conn Conn, lockFactory lock.LockFactory) TeamFactory {
return &teamFactory{
conn: conn,
lockFactory: lockFactory,
}
}
func (factory *teamFactory) CreateTeam(t atc.Team) (Team, error) {
return factory.createTeam(t, false)
}
func (factory *teamFactory) createTeam(t atc.Team, admin bool) (Team, error) {
tx, err := factory.conn.Begin()
if err != nil {
return nil, err
}
defer tx.Rollback()
encryptedBasicAuthJSON, err := encryptedJSON(t.BasicAuth)
if err != nil {
return nil, err
}
auth, err := json.Marshal(t.Auth)
if err != nil {
return nil, err
}
es := factory.conn.EncryptionStrategy()
encryptedAuth, nonce, err := es.Encrypt(auth)
if err != nil {
return nil, err
}
row := psql.Insert("teams").
Columns("name, basic_auth, auth, nonce, admin").
Values(t.Name, encryptedBasicAuthJSON, encryptedAuth, nonce, admin).
Suffix("RETURNING id, name, admin, basic_auth, auth, nonce").
RunWith(tx).
QueryRow()
team := &team{
conn: factory.conn,
lockFactory: factory.lockFactory,
}
err = factory.scanTeam(team, row)
if err != nil {
return nil, err
}
createTableString := fmt.Sprintf(`
CREATE TABLE team_build_events_%d ()
INHERITS (build_events);`, team.ID())
_, err = tx.Exec(createTableString)
if err != nil {
return nil, err
}
err = tx.Commit()
if err != nil {
return nil, err
}
return team, nil
}
func (factory *teamFactory) GetByID(teamID int) Team {
return &team{
id: teamID,
conn: factory.conn,
lockFactory: factory.lockFactory,
}
}
func (factory *teamFactory) FindTeam(teamName string) (Team, bool, error) {
team := &team{
conn: factory.conn,
lockFactory: factory.lockFactory,
}
row := psql.Select("id, name, admin, basic_auth, auth, nonce").
From("teams").
Where(sq.Eq{"LOWER(name)": strings.ToLower(teamName)}).
RunWith(factory.conn).
QueryRow()
err := factory.scanTeam(team, row)
if err != nil {
if err == sql.ErrNoRows {
return nil, false, nil
}
return nil, false, err
}
return team, true, nil
}
func (factory *teamFactory) GetTeams() ([]Team, error) {
rows, err := psql.Select("id, name, admin, basic_auth, auth, nonce").
From("teams").
RunWith(factory.conn).
Query()
if err != nil {
return nil, err
}
defer rows.Close()
teams := []Team{}
for rows.Next() {
team := &team{
conn: factory.conn,
lockFactory: factory.lockFactory,
}
err = factory.scanTeam(team, rows)
if err != nil {
return nil, err
}
teams = append(teams, team)
}
return teams, nil
}
func (factory *teamFactory) CreateDefaultTeamIfNotExists() (Team, error) {
_, err := psql.Update("teams").
Set("admin", true).
Where(sq.Eq{"LOWER(name)": strings.ToLower(atc.DefaultTeamName)}).
RunWith(factory.conn).
Exec()
if err != nil && err != sql.ErrNoRows {
return nil, err
}
t, found, err := factory.FindTeam(atc.DefaultTeamName)
if err != nil {
return nil, err
}
if found {
return t, nil
}
//not found, have to create
return factory.createTeam(atc.Team{
Name: atc.DefaultTeamName,
},
true,
)
}
func (factory *teamFactory) scanTeam(t *team, rows scannable) error {
var basicAuth, providerAuth, nonce sql.NullString
err := rows.Scan(
&t.id,
&t.name,
&t.admin,
&basicAuth,
&providerAuth,
&nonce,
)
if basicAuth.Valid {
err = json.Unmarshal([]byte(basicAuth.String), &t.basicAuth)
if err != nil {
return err
}
}
if providerAuth.Valid {
es := factory.conn.EncryptionStrategy()
var noncense *string
if nonce.Valid {
noncense = &nonce.String
}
pAuth, err := es.Decrypt(providerAuth.String, noncense)
if err != nil {
return err
}
err = json.Unmarshal(pAuth, &t.auth)
if err != nil {
return err
}
}
return err
}