From 153bfbbea579dfa10e8e804036f17c1a33b6fe80 Mon Sep 17 00:00:00 2001
From: Neil Alexander <neilalexander@users.noreply.github.com>
Date: Fri, 18 Feb 2022 11:31:05 +0000
Subject: Merge both user API databases into one (#2186)

* Merge user API databases into one

* Remove DeviceDatabase from config

* Fix tests

* Try that again

* Clean up keyserver device keys when the devices no longer exist in the user API

* Tweak ordering

* Fix UserExists flag, device check

* Allow including empty entries so we can clean them up

* Remove logging
---
 userapi/storage/postgres/openid_table.go | 81 ++++++++++++++++++++++++++++++++
 1 file changed, 81 insertions(+)
 create mode 100644 userapi/storage/postgres/openid_table.go

(limited to 'userapi/storage/postgres/openid_table.go')

diff --git a/userapi/storage/postgres/openid_table.go b/userapi/storage/postgres/openid_table.go
new file mode 100644
index 00000000..190d141b
--- /dev/null
+++ b/userapi/storage/postgres/openid_table.go
@@ -0,0 +1,81 @@
+package postgres
+
+import (
+	"context"
+	"database/sql"
+
+	"github.com/matrix-org/dendrite/internal/sqlutil"
+	"github.com/matrix-org/dendrite/userapi/api"
+	"github.com/matrix-org/gomatrixserverlib"
+	log "github.com/sirupsen/logrus"
+)
+
+const openIDTokenSchema = `
+-- Stores data about openid tokens issued for accounts.
+CREATE TABLE IF NOT EXISTS open_id_tokens (
+	-- The value of the token issued to a user
+	token TEXT NOT NULL PRIMARY KEY,
+    -- The Matrix user ID for this account
+	localpart TEXT NOT NULL,
+	-- When the token expires, as a unix timestamp (ms resolution).
+	token_expires_at_ms BIGINT NOT NULL
+);
+`
+
+const insertTokenSQL = "" +
+	"INSERT INTO open_id_tokens(token, localpart, token_expires_at_ms) VALUES ($1, $2, $3)"
+
+const selectTokenSQL = "" +
+	"SELECT localpart, token_expires_at_ms FROM open_id_tokens WHERE token = $1"
+
+type tokenStatements struct {
+	insertTokenStmt *sql.Stmt
+	selectTokenStmt *sql.Stmt
+	serverName      gomatrixserverlib.ServerName
+}
+
+func (s *tokenStatements) prepare(db *sql.DB, server gomatrixserverlib.ServerName) (err error) {
+	_, err = db.Exec(openIDTokenSchema)
+	if err != nil {
+		return
+	}
+	s.serverName = server
+	return sqlutil.StatementList{
+		{&s.insertTokenStmt, insertTokenSQL},
+		{&s.selectTokenStmt, selectTokenSQL},
+	}.Prepare(db)
+}
+
+// insertToken inserts a new OpenID Connect token to the DB.
+// Returns new token, otherwise returns error if the token already exists.
+func (s *tokenStatements) insertToken(
+	ctx context.Context,
+	txn *sql.Tx,
+	token, localpart string,
+	expiresAtMS int64,
+) (err error) {
+	stmt := sqlutil.TxStmt(txn, s.insertTokenStmt)
+	_, err = stmt.ExecContext(ctx, token, localpart, expiresAtMS)
+	return
+}
+
+// selectOpenIDTokenAtrributes gets the attributes associated with an OpenID token from the DB
+// Returns the existing token's attributes, or err if no token is found
+func (s *tokenStatements) selectOpenIDTokenAtrributes(
+	ctx context.Context,
+	token string,
+) (*api.OpenIDTokenAttributes, error) {
+	var openIDTokenAttrs api.OpenIDTokenAttributes
+	err := s.selectTokenStmt.QueryRowContext(ctx, token).Scan(
+		&openIDTokenAttrs.UserID,
+		&openIDTokenAttrs.ExpiresAtMS,
+	)
+	if err != nil {
+		if err != sql.ErrNoRows {
+			log.WithError(err).Error("Unable to retrieve token from the db")
+		}
+		return nil, err
+	}
+
+	return &openIDTokenAttrs, nil
+}
-- 
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