294 lines
6.7 KiB
Go
294 lines
6.7 KiB
Go
package sql
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import (
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"database/sql"
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"fmt"
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)
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func (c *conn) migrate() (int, error) {
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_, err := c.Exec(`
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create table if not exists migrations (
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num integer not null,
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at timestamptz not null
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);
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`)
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if err != nil {
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return 0, fmt.Errorf("creating migration table: %v", err)
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}
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i := 0
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done := false
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var flavorMigrations []migration
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for _, m := range migrations {
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if m.flavor == nil || m.flavor == c.flavor {
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flavorMigrations = append(flavorMigrations, m)
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}
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}
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for {
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err := c.ExecTx(func(tx *trans) error {
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// Within a transaction, perform a single migration.
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var (
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num sql.NullInt64
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n int
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)
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if err := tx.QueryRow(`select max(num) from migrations;`).Scan(&num); err != nil {
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return fmt.Errorf("select max migration: %v", err)
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}
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if num.Valid {
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n = int(num.Int64)
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}
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if n >= len(flavorMigrations) {
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done = true
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return nil
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}
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migrationNum := n + 1
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m := flavorMigrations[n]
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for i := range m.stmts {
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if _, err := tx.Exec(m.stmts[i]); err != nil {
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return fmt.Errorf("migration %d statement %d failed: %v", migrationNum, i+1, err)
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}
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}
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q := `insert into migrations (num, at) values ($1, now());`
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if _, err := tx.Exec(q, migrationNum); err != nil {
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return fmt.Errorf("update migration table: %v", err)
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}
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return nil
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})
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if err != nil {
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return i, err
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}
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if done {
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break
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}
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i++
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}
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return i, nil
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}
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type migration struct {
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stmts []string
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// If flavor is nil the migration will take place for all database backend flavors.
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// If specified, only for that corresponding flavor, in that case stmts can be written
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// in the specific SQL dialect.
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flavor *flavor
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}
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// All SQL flavors share migration strategies.
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var migrations = []migration{
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{
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stmts: []string{
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`
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create table client (
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id text not null primary key,
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secret text not null,
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redirect_uris bytea not null, -- JSON array of strings
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trusted_peers bytea not null, -- JSON array of strings
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public boolean not null,
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name text not null,
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logo_url text not null
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);`,
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`
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create table auth_request (
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id text not null primary key,
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client_id text not null,
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response_types bytea not null, -- JSON array of strings
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scopes bytea not null, -- JSON array of strings
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redirect_uri text not null,
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nonce text not null,
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state text not null,
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force_approval_prompt boolean not null,
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logged_in boolean not null,
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claims_user_id text not null,
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claims_username text not null,
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claims_email text not null,
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claims_email_verified boolean not null,
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claims_groups bytea not null, -- JSON array of strings
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connector_id text not null,
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connector_data bytea,
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expiry timestamptz not null
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);`,
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`
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create table auth_code (
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id text not null primary key,
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client_id text not null,
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scopes bytea not null, -- JSON array of strings
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nonce text not null,
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redirect_uri text not null,
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claims_user_id text not null,
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claims_username text not null,
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claims_email text not null,
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claims_email_verified boolean not null,
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claims_groups bytea not null, -- JSON array of strings
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connector_id text not null,
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connector_data bytea,
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expiry timestamptz not null
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);`,
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`
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create table refresh_token (
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id text not null primary key,
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client_id text not null,
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scopes bytea not null, -- JSON array of strings
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nonce text not null,
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claims_user_id text not null,
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claims_username text not null,
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claims_email text not null,
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claims_email_verified boolean not null,
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claims_groups bytea not null, -- JSON array of strings
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connector_id text not null,
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connector_data bytea
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);`,
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`
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create table password (
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email text not null primary key,
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hash bytea not null,
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username text not null,
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user_id text not null
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);`,
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`
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-- keys is a weird table because we only ever expect there to be a single row
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create table keys (
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id text not null primary key,
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verification_keys bytea not null, -- JSON array
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signing_key bytea not null, -- JSON object
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signing_key_pub bytea not null, -- JSON object
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next_rotation timestamptz not null
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);`,
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},
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},
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{
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stmts: []string{
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`
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alter table refresh_token
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add column token text not null default '';`,
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`
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alter table refresh_token
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add column created_at timestamptz not null default '0001-01-01 00:00:00 UTC';`,
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`
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alter table refresh_token
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add column last_used timestamptz not null default '0001-01-01 00:00:00 UTC';`,
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},
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},
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{
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stmts: []string{
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`
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create table offline_session (
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user_id text not null,
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conn_id text not null,
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refresh bytea not null,
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PRIMARY KEY (user_id, conn_id)
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);`,
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},
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},
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{
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stmts: []string{
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`
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create table connector (
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id text not null primary key,
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type text not null,
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name text not null,
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resource_version text not null,
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config bytea
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);`,
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},
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},
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{
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stmts: []string{
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`
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alter table auth_code
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add column claims_preferred_username text not null default '';`,
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`
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alter table auth_request
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add column claims_preferred_username text not null default '';`,
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`
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alter table refresh_token
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add column claims_preferred_username text not null default '';`,
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},
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},
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{
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stmts: []string{
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`
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alter table offline_session
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add column connector_data bytea;
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`,
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},
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},
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{
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stmts: []string{
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`
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alter table auth_request
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modify column state varchar(4096);
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`,
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},
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flavor: &flavorMySQL,
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},
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{
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stmts: []string{
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`
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create table device_request (
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user_code text not null primary key,
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device_code text not null,
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client_id text not null,
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client_secret text ,
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scopes bytea not null, -- JSON array of strings
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expiry timestamptz not null
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);`,
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`
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create table device_token (
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device_code text not null primary key,
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status text not null,
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token bytea,
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expiry timestamptz not null,
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last_request timestamptz not null,
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poll_interval integer not null
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);`,
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},
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},
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{
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stmts: []string{
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`
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alter table auth_request
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add column code_challenge text not null default '';`,
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`
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alter table auth_request
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add column code_challenge_method text not null default '';`,
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`
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alter table auth_code
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add column code_challenge text not null default '';`,
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`
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alter table auth_code
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add column code_challenge_method text not null default '';`,
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},
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},
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{
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stmts: []string{
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`
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alter table refresh_token
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add column obsolete_token text default '';`,
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},
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},
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{
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stmts: []string{
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`
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alter table device_token
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add column code_challenge text not null default '';`,
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`
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alter table device_token
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add column code_challenge_method text not null default '';`,
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},
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},
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}
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