Implement OpenID module (#599) (#1812)

* Implement OpenID module (#599)

- Unrelated: change Riot references to Element in client API routing

Signed-off-by: Bruce MacDonald <contact@bruce-macdonald.com>

* OpenID module tweaks (#599)

- specify expiry is ms rather than vague ts
- add OpenID token lifetime to configuration
- use Go naming conventions for the path params
- store plaintext token rather than hash
- remove openid table sqllite mutex

* Add default OpenID token lifetime (#599)

* Update dendrite-config.yaml

Co-authored-by: Kegsay <kegsay@gmail.com>
Co-authored-by: Kegsay <kegan@matrix.org>

userapi/storage/accounts/postgres/storage.go

@@ -20,6 +20,7 @@ import (
 	"encoding/json"
 	"errors"
 	"strconv"
+	"time"
 
 	"github.com/matrix-org/dendrite/clientapi/auth/authtypes"
 	"github.com/matrix-org/dendrite/internal/sqlutil"
@@ -39,25 +40,28 @@ type Database struct {
 	db     *sql.DB
 	writer sqlutil.Writer
 	sqlutil.PartitionOffsetStatements
-	accounts     accountsStatements
-	profiles     profilesStatements
-	accountDatas accountDataStatements
-	threepids    threepidStatements
-	serverName   gomatrixserverlib.ServerName
-	bcryptCost   int
+	accounts              accountsStatements
+	profiles              profilesStatements
+	accountDatas          accountDataStatements
+	threepids             threepidStatements
+	openIDTokens          tokenStatements
+	serverName            gomatrixserverlib.ServerName
+	bcryptCost            int
+	openIDTokenLifetimeMS int64
 }
 
 // NewDatabase creates a new accounts and profiles database
-func NewDatabase(dbProperties *config.DatabaseOptions, serverName gomatrixserverlib.ServerName, bcryptCost int) (*Database, error) {
+func NewDatabase(dbProperties *config.DatabaseOptions, serverName gomatrixserverlib.ServerName, bcryptCost int, openIDTokenLifetimeMS int64) (*Database, error) {
 	db, err := sqlutil.Open(dbProperties)
 	if err != nil {
 		return nil, err
 	}
 	d := &Database{
-		serverName: serverName,
-		db:         db,
-		writer:     sqlutil.NewDummyWriter(),
-		bcryptCost: bcryptCost,
+		serverName:            serverName,
+		db:                    db,
+		writer:                sqlutil.NewDummyWriter(),
+		bcryptCost:            bcryptCost,
+		openIDTokenLifetimeMS: openIDTokenLifetimeMS,
 	}
 
 	// Create tables before executing migrations so we don't fail if the table is missing,
@@ -86,6 +90,9 @@ func NewDatabase(dbProperties *config.DatabaseOptions, serverName gomatrixserver
 	if err = d.threepids.prepare(db); err != nil {
 		return nil, err
 	}
+	if err = d.openIDTokens.prepare(db, serverName); err != nil {
+		return nil, err
+	}
 
 	return d, nil
 }
@@ -341,3 +348,23 @@ func (d *Database) SearchProfiles(ctx context.Context, searchString string, limi
 func (d *Database) DeactivateAccount(ctx context.Context, localpart string) (err error) {
 	return d.accounts.deactivateAccount(ctx, localpart)
 }
+
+// CreateOpenIDToken persists a new token that was issued through OpenID Connect
+func (d *Database) CreateOpenIDToken(
+	ctx context.Context,
+	token, localpart string,
+) (int64, error) {
+	expiresAtMS := time.Now().UnixNano()/int64(time.Millisecond) + d.openIDTokenLifetimeMS
+	err := sqlutil.WithTransaction(d.db, func(txn *sql.Tx) error {
+		return d.openIDTokens.insertToken(ctx, txn, token, localpart, expiresAtMS)
+	})
+	return expiresAtMS, err
+}
+
+// GetOpenIDTokenAttributes gets the attributes of issued an OIDC auth token
+func (d *Database) GetOpenIDTokenAttributes(
+	ctx context.Context,
+	token string,
+) (*api.OpenIDTokenAttributes, error) {
+	return d.openIDTokens.selectOpenIDTokenAtrributes(ctx, token)
+}