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Code Releases Activity

ACLs and underscores, resolves #840

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This commit is contained in:
binwiederhier 2023-08-18 22:44:52 +02:00
parent d7db395016
commit a5f0670f7f
2 changed files with 248 additions and 17 deletions
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60
user/manager.go
View file

@ -160,7 +160,7 @@ const (
SELECT read, write
FROM user_access a
JOIN user u ON u.id = a.user_id
WHERE (u.user = ? OR u.user = ?) AND ? LIKE a.topic
WHERE (u.user = ? OR u.user = ?) AND ? LIKE a.topic ESCAPE '\'
ORDER BY u.user DESC
`
@ -235,7 +235,7 @@ const (
selectOtherAccessCountQuery = `
SELECT COUNT(*)
FROM user_access
WHERE (topic = ? OR ? LIKE topic)
WHERE (topic = ? OR ? LIKE topic ESCAPE '\')
AND (owner_user_id IS NULL OR owner_user_id != (SELECT id FROM user WHERE user = ?))
`
deleteAllAccessQuery = `DELETE FROM user_access`
@ -312,7 +312,7 @@ const (
// Schema management queries
const (
currentSchemaVersion = 4
currentSchemaVersion = 5
insertSchemaVersion = `INSERT INTO schemaVersion VALUES (1, ?)`
updateSchemaVersion = `UPDATE schemaVersion SET version = ? WHERE id = 1`
selectSchemaVersionQuery = `SELECT version FROM schemaVersion WHERE id = 1`
@ -422,6 +422,11 @@ const (
FOREIGN KEY (user_id) REFERENCES user (id) ON DELETE CASCADE
);
`
// 4 -> 5
migrate4To5UpdateQueries = `
UPDATE user_access SET topic = REPLACE(topic, '_', '\_');
`
)
var (
@ -429,6 +434,7 @@ var (
1: migrateFrom1,
2: migrateFrom2,
3: migrateFrom3,
4: migrateFrom4,
}
)
@ -1123,7 +1129,7 @@ func (a *Manager) Reservations(username string) ([]Reservation, error) {
return nil, err
}
reservations = append(reservations, Reservation{
Topic: topic,
Topic: unescapeUnderscore(topic),
Owner: NewPermission(ownerRead, ownerWrite),
Everyone: NewPermission(everyoneRead.Bool, everyoneWrite.Bool), // false if null
})
@ -1133,7 +1139,7 @@ func (a *Manager) Reservations(username string) ([]Reservation, error) {
// HasReservation returns true if the given topic access is owned by the user
func (a *Manager) HasReservation(username, topic string) (bool, error) {
rows, err := a.db.Query(selectUserHasReservationQuery, username, topic)
rows, err := a.db.Query(selectUserHasReservationQuery, username, escapeUnderscore(topic))
if err != nil {
return false, err
}
@ -1168,7 +1174,7 @@ func (a *Manager) ReservationsCount(username string) (int64, error) {
// ReservationOwner returns user ID of the user that owns this topic, or an
// empty string if it's not owned by anyone
func (a *Manager) ReservationOwner(topic string) (string, error) {
rows, err := a.db.Query(selectUserReservationsOwnerQuery, topic)
rows, err := a.db.Query(selectUserReservationsOwnerQuery, escapeUnderscore(topic))
if err != nil {
return "", err
}
@ -1263,7 +1269,7 @@ func (a *Manager) AllowReservation(username string, topic string) error {
if (!AllowedUsername(username) && username != Everyone) || !AllowedTopic(topic) {
return ErrInvalidArgument
}
rows, err := a.db.Query(selectOtherAccessCountQuery, topic, topic, username)
rows, err := a.db.Query(selectOtherAccessCountQuery, escapeUnderscore(topic), escapeUnderscore(topic), username)
if err != nil {
return err
}
@ -1328,10 +1334,10 @@ func (a *Manager) AddReservation(username string, topic string, everyone Permiss
return err
}
defer tx.Rollback()
if _, err := tx.Exec(upsertUserAccessQuery, username, topic, true, true, username, username); err != nil {
if _, err := tx.Exec(upsertUserAccessQuery, username, escapeUnderscore(topic), true, true, username, username); err != nil {
return err
}
if _, err := tx.Exec(upsertUserAccessQuery, Everyone, topic, everyone.IsRead(), everyone.IsWrite(), username, username); err != nil {
if _, err := tx.Exec(upsertUserAccessQuery, Everyone, escapeUnderscore(topic), everyone.IsRead(), everyone.IsWrite(), username, username); err != nil {
return err
}
return tx.Commit()
@ -1354,10 +1360,10 @@ func (a *Manager) RemoveReservations(username string, topics ...string) error {
}
defer tx.Rollback()
for _, topic := range topics {
if _, err := tx.Exec(deleteTopicAccessQuery, username, username, topic); err != nil {
if _, err := tx.Exec(deleteTopicAccessQuery, username, username, escapeUnderscore(topic)); err != nil {
return err
}
if _, err := tx.Exec(deleteTopicAccessQuery, Everyone, Everyone, topic); err != nil {
if _, err := tx.Exec(deleteTopicAccessQuery, Everyone, Everyone, escapeUnderscore(topic)); err != nil {
return err
}
}
@ -1484,12 +1490,24 @@ func (a *Manager) Close() error {
return a.db.Close()
}
// toSQLWildcard converts a wildcard string to a SQL wildcard string. It only allows '*' as wildcards,
// and escapes '_', assuming '\' as escape character.
func toSQLWildcard(s string) string {
return strings.ReplaceAll(s, "*", "%")
return escapeUnderscore(strings.ReplaceAll(s, "*", "%"))
}
// fromSQLWildcard converts a SQL wildcard string to a wildcard string. It converts '%' to '*',
// and removes the '\_' escape character.
func fromSQLWildcard(s string) string {
return strings.ReplaceAll(s, "%", "*")
return strings.ReplaceAll(unescapeUnderscore(s), "%", "*")
}
func escapeUnderscore(s string) string {
return strings.ReplaceAll(s, "_", "\\_")
}
func unescapeUnderscore(s string) string {
return strings.ReplaceAll(s, "\\_", "_")
}
func runStartupQueries(db *sql.DB, startupQueries string) error {
@ -1627,6 +1645,22 @@ func migrateFrom3(db *sql.DB) error {
return tx.Commit()
}
func migrateFrom4(db *sql.DB) error {
log.Tag(tag).Info("Migrating user database schema: from 4 to 5")
tx, err := db.Begin()
if err != nil {
return err
}
defer tx.Rollback()
if _, err := tx.Exec(migrate4To5UpdateQueries); err != nil {
return err
}
if _, err := tx.Exec(updateSchemaVersion, 5); err != nil {
return err
}
return tx.Commit()
}
func nullString(s string) sql.NullString {
if s == "" {
return sql.NullString{}

205
user/manager_test.go
View file

@ -330,7 +330,7 @@ func TestManager_Reservations(t *testing.T) {
a := newTestManager(t, PermissionDenyAll)
require.Nil(t, a.AddUser("phil", "phil", RoleUser))
require.Nil(t, a.AddUser("ben", "ben", RoleUser))
require.Nil(t, a.AddReservation("ben", "ztopic", PermissionDenyAll))
require.Nil(t, a.AddReservation("ben", "ztopic_", PermissionDenyAll))
require.Nil(t, a.AddReservation("ben", "readme", PermissionRead))
require.Nil(t, a.AllowAccess("ben", "something-else", PermissionRead))
@ -343,7 +343,7 @@ func TestManager_Reservations(t *testing.T) {
Everyone: PermissionRead,
}, reservations[0])
require.Equal(t, Reservation{
Topic: "ztopic",
Topic: "ztopic_",
Owner: PermissionReadWrite,
Everyone: PermissionDenyAll,
}, reservations[1])
@ -352,6 +352,14 @@ func TestManager_Reservations(t *testing.T) {
require.Nil(t, err)
require.True(t, b)
b, err = a.HasReservation("ben", "ztopic_")
require.Nil(t, err)
require.True(t, b)
b, err = a.HasReservation("ben", "ztopicX") // _ != X (used to be a SQL wildcard issue)
require.Nil(t, err)
require.False(t, b)
b, err = a.HasReservation("notben", "readme")
require.Nil(t, err)
require.False(t, b)
@ -371,11 +379,17 @@ func TestManager_Reservations(t *testing.T) {
err = a.AllowReservation("phil", "readme")
require.Equal(t, errTopicOwnedByOthers, err)
err = a.AllowReservation("phil", "ztopic_")
require.Equal(t, errTopicOwnedByOthers, err)
err = a.AllowReservation("phil", "ztopicX")
require.Nil(t, err)
err = a.AllowReservation("phil", "not-reserved")
require.Nil(t, err)
// Now remove them again
require.Nil(t, a.RemoveReservations("ben", "ztopic", "readme"))
require.Nil(t, a.RemoveReservations("ben", "ztopic_", "readme"))
count, err = a.ReservationsCount("ben")
require.Nil(t, err)
@ -978,7 +992,44 @@ func TestUser_PhoneNumberAdd_Multiple_Users_Same_Number(t *testing.T) {
require.Nil(t, a.AddPhoneNumber(ben.ID, "+1234567890"))
}
func TestSqliteCache_Migration_From1(t *testing.T) {
func TestManager_Topic_Wildcard_With_Asterisk_Underscore(t *testing.T) {
f := filepath.Join(t.TempDir(), "user.db")
a := newTestManagerFromFile(t, f, "", PermissionDenyAll, DefaultUserPasswordBcryptCost, DefaultUserStatsQueueWriterInterval)
require.Nil(t, a.AllowAccess(Everyone, "*_", PermissionRead))
require.Nil(t, a.AllowAccess(Everyone, "__*_", PermissionRead))
require.Nil(t, a.Authorize(nil, "allowed_", PermissionRead))
require.Nil(t, a.Authorize(nil, "__allowed_", PermissionRead))
require.Nil(t, a.Authorize(nil, "_allowed_", PermissionRead)) // The "%" in "%\_" matches the first "_"
require.Equal(t, ErrUnauthorized, a.Authorize(nil, "notallowed", PermissionRead))
require.Equal(t, ErrUnauthorized, a.Authorize(nil, "_notallowed", PermissionRead))
require.Equal(t, ErrUnauthorized, a.Authorize(nil, "__notallowed", PermissionRead))
}
func TestManager_Topic_Wildcard_With_Underscore(t *testing.T) {
f := filepath.Join(t.TempDir(), "user.db")
a := newTestManagerFromFile(t, f, "", PermissionDenyAll, DefaultUserPasswordBcryptCost, DefaultUserStatsQueueWriterInterval)
require.Nil(t, a.AllowAccess(Everyone, "mytopic_", PermissionReadWrite))
require.Nil(t, a.Authorize(nil, "mytopic_", PermissionRead))
require.Nil(t, a.Authorize(nil, "mytopic_", PermissionWrite))
require.Equal(t, ErrUnauthorized, a.Authorize(nil, "mytopicX", PermissionRead))
require.Equal(t, ErrUnauthorized, a.Authorize(nil, "mytopicX", PermissionWrite))
}
func TestToFromSQLWildcard(t *testing.T) {
require.Equal(t, "up%", toSQLWildcard("up*"))
require.Equal(t, "up\\_%", toSQLWildcard("up_*"))
require.Equal(t, "foo", toSQLWildcard("foo"))
require.Equal(t, "up*", fromSQLWildcard("up%"))
require.Equal(t, "up_*", fromSQLWildcard("up\\_%"))
require.Equal(t, "foo", fromSQLWildcard("foo"))
require.Equal(t, "up*", fromSQLWildcard(toSQLWildcard("up*")))
require.Equal(t, "up_*", fromSQLWildcard(toSQLWildcard("up_*")))
require.Equal(t, "foo", fromSQLWildcard(toSQLWildcard("foo")))
}
func TestMigrationFrom1(t *testing.T) {
filename := filepath.Join(t.TempDir(), "user.db")
db, err := sql.Open("sqlite3", filename)
require.Nil(t, err)
@ -1063,6 +1114,152 @@ func TestSqliteCache_Migration_From1(t *testing.T) {
require.Equal(t, PermissionRead, everyoneGrants[0].Allow)
}
func TestMigrationFrom4(t *testing.T) {
filename := filepath.Join(t.TempDir(), "user.db")
db, err := sql.Open("sqlite3", filename)
require.Nil(t, err)
// Create "version 4" schema
_, err = db.Exec(`
BEGIN;
CREATE TABLE IF NOT EXISTS tier (
id TEXT PRIMARY KEY,
code TEXT NOT NULL,
name TEXT NOT NULL,
messages_limit INT NOT NULL,
messages_expiry_duration INT NOT NULL,
emails_limit INT NOT NULL,
calls_limit INT NOT NULL,
reservations_limit INT NOT NULL,
attachment_file_size_limit INT NOT NULL,
attachment_total_size_limit INT NOT NULL,
attachment_expiry_duration INT NOT NULL,
attachment_bandwidth_limit INT NOT NULL,
stripe_monthly_price_id TEXT,
stripe_yearly_price_id TEXT
);
CREATE UNIQUE INDEX idx_tier_code ON tier (code);
CREATE UNIQUE INDEX idx_tier_stripe_monthly_price_id ON tier (stripe_monthly_price_id);
CREATE UNIQUE INDEX idx_tier_stripe_yearly_price_id ON tier (stripe_yearly_price_id);
CREATE TABLE IF NOT EXISTS user (
id TEXT PRIMARY KEY,
tier_id TEXT,
user TEXT NOT NULL,
pass TEXT NOT NULL,
role TEXT CHECK (role IN ('anonymous', 'admin', 'user')) NOT NULL,
prefs JSON NOT NULL DEFAULT '{}',
sync_topic TEXT NOT NULL,
stats_messages INT NOT NULL DEFAULT (0),
stats_emails INT NOT NULL DEFAULT (0),
stats_calls INT NOT NULL DEFAULT (0),
stripe_customer_id TEXT,
stripe_subscription_id TEXT,
stripe_subscription_status TEXT,
stripe_subscription_interval TEXT,
stripe_subscription_paid_until INT,
stripe_subscription_cancel_at INT,
created INT NOT NULL,
deleted INT,
FOREIGN KEY (tier_id) REFERENCES tier (id)
);
CREATE UNIQUE INDEX idx_user ON user (user);
CREATE UNIQUE INDEX idx_user_stripe_customer_id ON user (stripe_customer_id);
CREATE UNIQUE INDEX idx_user_stripe_subscription_id ON user (stripe_subscription_id);
CREATE TABLE IF NOT EXISTS user_access (
user_id TEXT NOT NULL,
topic TEXT NOT NULL,
read INT NOT NULL,
write INT NOT NULL,
owner_user_id INT,
PRIMARY KEY (user_id, topic),
FOREIGN KEY (user_id) REFERENCES user (id) ON DELETE CASCADE,
FOREIGN KEY (owner_user_id) REFERENCES user (id) ON DELETE CASCADE
);
CREATE TABLE IF NOT EXISTS user_token (
user_id TEXT NOT NULL,
token TEXT NOT NULL,
label TEXT NOT NULL,
last_access INT NOT NULL,
last_origin TEXT NOT NULL,
expires INT NOT NULL,
PRIMARY KEY (user_id, token),
FOREIGN KEY (user_id) REFERENCES user (id) ON DELETE CASCADE
);
CREATE TABLE IF NOT EXISTS user_phone (
user_id TEXT NOT NULL,
phone_number TEXT NOT NULL,
PRIMARY KEY (user_id, phone_number),
FOREIGN KEY (user_id) REFERENCES user (id) ON DELETE CASCADE
);
CREATE TABLE IF NOT EXISTS schemaVersion (
id INT PRIMARY KEY,
version INT NOT NULL
);
INSERT INTO user (id, user, pass, role, sync_topic, created)
VALUES ('u_everyone', '*', '', 'anonymous', '', UNIXEPOCH())
ON CONFLICT (id) DO NOTHING;
INSERT INTO schemaVersion (id, version) VALUES (1, 4);
COMMIT;
`)
require.Nil(t, err)
// Insert a few ACL entries
_, err = db.Exec(`
BEGIN;
INSERT INTO user_access (user_id, topic, read, write) values ('u_everyone', 'mytopic_', 1, 1);
INSERT INTO user_access (user_id, topic, read, write) values ('u_everyone', 'up%', 1, 1);
INSERT INTO user_access (user_id, topic, read, write) values ('u_everyone', 'down_%', 1, 1);
COMMIT;
`)
require.Nil(t, err)
// Create manager to trigger migration
a := newTestManagerFromFile(t, filename, "", PermissionDenyAll, bcrypt.MinCost, DefaultUserStatsQueueWriterInterval)
checkSchemaVersion(t, a.db)
// Add another
require.Nil(t, a.AllowAccess(Everyone, "left_*", PermissionReadWrite))
// Check "external view" of grants
everyoneGrants, err := a.Grants(Everyone)
require.Nil(t, err)
require.Equal(t, 4, len(everyoneGrants))
require.Equal(t, "down_*", everyoneGrants[0].TopicPattern)
require.Equal(t, "left_*", everyoneGrants[1].TopicPattern)
require.Equal(t, "mytopic_", everyoneGrants[2].TopicPattern)
require.Equal(t, "up*", everyoneGrants[3].TopicPattern)
// Check they are stored correctly in the database
rows, err := db.Query(`SELECT topic FROM user_access WHERE user_id = 'u_everyone' ORDER BY topic`)
require.Nil(t, err)
topicPatterns := make([]string, 0)
for rows.Next() {
var topicPattern string
require.Nil(t, rows.Scan(&topicPattern))
topicPatterns = append(topicPatterns, topicPattern)
}
require.Nil(t, rows.Close())
require.Equal(t, 4, len(topicPatterns))
require.Equal(t, "down\\_%", topicPatterns[0])
require.Equal(t, "left\\_%", topicPatterns[1])
require.Equal(t, "mytopic\\_", topicPatterns[2])
require.Equal(t, "up%", topicPatterns[3])
// Check that ACL works as excepted
require.Nil(t, a.Authorize(nil, "down_123", PermissionRead))
require.Equal(t, ErrUnauthorized, a.Authorize(nil, "downX123", PermissionRead))
require.Nil(t, a.Authorize(nil, "left_abc", PermissionRead))
require.Equal(t, ErrUnauthorized, a.Authorize(nil, "leftX123", PermissionRead))
require.Nil(t, a.Authorize(nil, "mytopic_", PermissionRead))
require.Equal(t, ErrUnauthorized, a.Authorize(nil, "mytopicX", PermissionRead))
require.Nil(t, a.Authorize(nil, "up123", PermissionRead))
require.Nil(t, a.Authorize(nil, "up", PermissionRead)) // % matches 0 or more characters
}
func checkSchemaVersion(t *testing.T, db *sql.DB) {
rows, err := db.Query(`SELECT version FROM schemaVersion`)
require.Nil(t, err)