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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,87 @@ | ||
| // Copyright © by Jeff Foley 2017-2024. All rights reserved. | ||
| // Use of this source code is governed by Apache 2 LICENSE that can be found in the LICENSE file. | ||
| // SPDX-License-Identifier: Apache-2.0 | ||
|
|
||
| package assetdb | ||
|
|
||
| import ( | ||
| "embed" | ||
| "fmt" | ||
| "math/rand" | ||
|
|
||
| pgmigrations "github.com/owasp-amass/asset-db/migrations/postgres" | ||
| sqlitemigrations "github.com/owasp-amass/asset-db/migrations/sqlite3" | ||
| "github.com/owasp-amass/asset-db/repository" | ||
| "github.com/owasp-amass/asset-db/repository/sqlrepo" | ||
| migrate "github.com/rubenv/sql-migrate" | ||
| "gorm.io/driver/postgres" | ||
| "gorm.io/driver/sqlite" | ||
| "gorm.io/gorm" | ||
| ) | ||
|
|
||
| // New creates a new assetDB instance. | ||
| // It initializes the asset database with the specified database type and DSN. | ||
| func New(dbtype, dsn string) *AssetDB { | ||
| if dbtype == sqlrepo.SQLiteMemory { | ||
| dsn = fmt.Sprintf("file:sqlite%d?mode=memory&cache=shared", rand.Int31n(1000)) | ||
| } | ||
|
|
||
| if db, err := repository.New(dbtype, dsn); err == nil && db != nil { | ||
| if err := migrateDatabase(dbtype, dsn); err == nil { | ||
| return &AssetDB{ | ||
| repository: db, | ||
| } | ||
| } | ||
| } | ||
| return nil | ||
| } | ||
|
|
||
| // Close will close the assetdb and return any errors. | ||
| func (as *AssetDB) Close() error { | ||
| return as.repository.Close() | ||
| } | ||
|
|
||
| // GetDBType returns the type of the underlying database. | ||
| func (as *AssetDB) GetDBType() string { | ||
| return as.repository.GetDBType() | ||
| } | ||
|
|
||
| func migrateDatabase(dbtype, dsn string) error { | ||
| var name string | ||
| var fs embed.FS | ||
| var database gorm.Dialector | ||
|
|
||
| switch dbtype { | ||
| case sqlrepo.SQLite: | ||
| fallthrough | ||
| case sqlrepo.SQLiteMemory: | ||
| name = "sqlite3" | ||
| fs = sqlitemigrations.Migrations() | ||
| database = sqlite.Open(dsn) | ||
| case sqlrepo.Postgres: | ||
| name = "postgres" | ||
| fs = pgmigrations.Migrations() | ||
| database = postgres.Open(dsn) | ||
| } | ||
|
|
||
| sql, err := gorm.Open(database, &gorm.Config{}) | ||
| if err != nil { | ||
| return err | ||
| } | ||
|
|
||
| migrationsSource := migrate.EmbedFileSystemMigrationSource{ | ||
| FileSystem: fs, | ||
| Root: "/", | ||
| } | ||
|
|
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| sqlDb, err := sql.DB() | ||
| if err != nil { | ||
| return err | ||
| } | ||
|
|
||
| _, err = migrate.Exec(sqlDb, name, migrationsSource, migrate.Up) | ||
| if err != nil { | ||
| return err | ||
| } | ||
| return nil | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,75 @@ | ||
| // Copyright © by Jeff Foley 2017-2024. All rights reserved. | ||
| // Use of this source code is governed by Apache 2 LICENSE that can be found in the LICENSE file. | ||
| // SPDX-License-Identifier: Apache-2.0 | ||
|
|
||
| package sqlrepo | ||
|
|
||
| import ( | ||
| "errors" | ||
|
|
||
| "github.com/glebarez/sqlite" | ||
| "gorm.io/driver/postgres" | ||
| "gorm.io/gorm" | ||
| "gorm.io/gorm/logger" | ||
| ) | ||
|
|
||
| const ( | ||
| Postgres string = "postgres" | ||
| SQLite string = "sqlite" | ||
| SQLiteMemory string = "sqlite_memory" | ||
| ) | ||
|
|
||
| // sqlRepository is a repository implementation using GORM as the underlying ORM. | ||
| type sqlRepository struct { | ||
| db *gorm.DB | ||
| dbtype string | ||
| } | ||
|
|
||
| // New creates a new instance of the asset database repository. | ||
| func New(dbtype, dsn string) (*sqlRepository, error) { | ||
| db, err := newDatabase(dbtype, dsn) | ||
| if err != nil { | ||
| return nil, err | ||
| } | ||
|
|
||
| return &sqlRepository{ | ||
| db: db, | ||
| dbtype: dbtype, | ||
| }, nil | ||
| } | ||
|
|
||
| // newDatabase creates a new GORM database connection based on the provided database type and data source name (dsn). | ||
| func newDatabase(dbtype, dsn string) (*gorm.DB, error) { | ||
| switch dbtype { | ||
| case Postgres: | ||
| return postgresDatabase(dsn) | ||
| case SQLite: | ||
| fallthrough | ||
| case SQLiteMemory: | ||
| return sqliteDatabase(dsn) | ||
| } | ||
| return nil, errors.New("unknown DB type") | ||
| } | ||
|
|
||
| // postgresDatabase creates a new PostgreSQL database connection using the provided data source name (dsn). | ||
| func postgresDatabase(dsn string) (*gorm.DB, error) { | ||
| return gorm.Open(postgres.Open(dsn), &gorm.Config{Logger: logger.Default.LogMode(logger.Silent)}) | ||
| } | ||
|
|
||
| // sqliteDatabase creates a new SQLite database connection using the provided data source name (dsn). | ||
| func sqliteDatabase(dsn string) (*gorm.DB, error) { | ||
| return gorm.Open(sqlite.Open(dsn), &gorm.Config{Logger: logger.Default.LogMode(logger.Silent)}) | ||
| } | ||
|
|
||
| // Close implements the Repository interface. | ||
| func (sql *sqlRepository) Close() error { | ||
| if db, err := sql.db.DB(); err == nil { | ||
| return db.Close() | ||
| } | ||
| return errors.New("failed to obtain access to the database handle") | ||
| } | ||
|
|
||
| // GetDBType returns the type of the database. | ||
| func (sql *sqlRepository) GetDBType() string { | ||
| return string(sql.dbtype) | ||
| } |
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