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https://github.com/Syngnat/GoNavi.git
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6c53fb14a6
- 新增 get_all_columns 内置工具和 MCP server 只读探针 - MCP 服务表单增加实际启动命令预览并补强参数提示 - 抽离 AISettingsMCPSection 并补齐前后端测试
119 lines
4.5 KiB
Go
119 lines
4.5 KiB
Go
package mcpserver
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import (
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"context"
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"GoNavi-Wails/internal/ai"
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aiservice "GoNavi-Wails/internal/ai/service"
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appcore "GoNavi-Wails/internal/app"
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"GoNavi-Wails/internal/appdata"
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"GoNavi-Wails/internal/connection"
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"GoNavi-Wails/internal/logger"
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)
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// Backend 抽象 GoNavi 后端能力，便于复用真实 App 和单元测试替身。
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type Backend interface {
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Close(context.Context) error
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GetSavedConnections() ([]connection.SavedConnectionView, error)
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GetEditableSavedConnection(id string) (connection.SavedConnectionView, error)
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DBGetDatabases(config connection.ConnectionConfig) connection.QueryResult
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DBGetTables(config connection.ConnectionConfig, dbName string) connection.QueryResult
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DBGetAllColumns(config connection.ConnectionConfig, dbName string) connection.QueryResult
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DBGetColumns(config connection.ConnectionConfig, dbName string, tableName string) connection.QueryResult
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DBGetIndexes(config connection.ConnectionConfig, dbName string, tableName string) connection.QueryResult
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DBGetForeignKeys(config connection.ConnectionConfig, dbName string, tableName string) connection.QueryResult
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DBGetTriggers(config connection.ConnectionConfig, dbName string, tableName string) connection.QueryResult
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DBShowCreateTable(config connection.ConnectionConfig, dbName string, tableName string) connection.QueryResult
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DBQueryMulti(config connection.ConnectionConfig, dbName string, query string, queryID string) connection.QueryResult
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InspectSQL(dbType string, sql string) appcore.SQLInspection
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GetSQLSafetyLevel() ai.SQLPermissionLevel
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}
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// AppBackend 基于现有 internal/app.App 暴露 MCP 所需数据库能力。
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type AppBackend struct {
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app *appcore.App
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}
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func NewAppBackend(ctx context.Context) *AppBackend {
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if ctx == nil {
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ctx = context.Background()
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}
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a := appcore.NewApp()
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appcore.InitializeLifecycle(a, ctx)
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return &AppBackend{app: a}
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}
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func (b *AppBackend) Close(ctx context.Context) error {
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if b == nil || b.app == nil {
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return nil
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}
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if ctx == nil {
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ctx = context.Background()
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}
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b.app.Shutdown(ctx)
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return nil
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}
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func (b *AppBackend) GetSavedConnections() ([]connection.SavedConnectionView, error) {
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return b.app.GetSavedConnections()
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}
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func (b *AppBackend) GetEditableSavedConnection(id string) (connection.SavedConnectionView, error) {
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return b.app.GetEditableSavedConnection(id)
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}
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func (b *AppBackend) DBGetDatabases(config connection.ConnectionConfig) connection.QueryResult {
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return b.app.DBGetDatabases(config)
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}
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func (b *AppBackend) DBGetTables(config connection.ConnectionConfig, dbName string) connection.QueryResult {
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return b.app.DBGetTables(config, dbName)
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}
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func (b *AppBackend) DBGetAllColumns(config connection.ConnectionConfig, dbName string) connection.QueryResult {
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return b.app.DBGetAllColumns(config, dbName)
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}
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func (b *AppBackend) DBGetColumns(config connection.ConnectionConfig, dbName string, tableName string) connection.QueryResult {
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return b.app.DBGetColumns(config, dbName, tableName)
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}
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func (b *AppBackend) DBGetIndexes(config connection.ConnectionConfig, dbName string, tableName string) connection.QueryResult {
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return b.app.DBGetIndexes(config, dbName, tableName)
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}
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func (b *AppBackend) DBGetForeignKeys(config connection.ConnectionConfig, dbName string, tableName string) connection.QueryResult {
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return b.app.DBGetForeignKeys(config, dbName, tableName)
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}
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func (b *AppBackend) DBGetTriggers(config connection.ConnectionConfig, dbName string, tableName string) connection.QueryResult {
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return b.app.DBGetTriggers(config, dbName, tableName)
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}
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func (b *AppBackend) DBShowCreateTable(config connection.ConnectionConfig, dbName string, tableName string) connection.QueryResult {
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return b.app.DBShowCreateTable(config, dbName, tableName)
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}
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func (b *AppBackend) DBQueryMulti(config connection.ConnectionConfig, dbName string, query string, queryID string) connection.QueryResult {
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return b.app.DBQueryMulti(config, dbName, query, queryID)
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}
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func (b *AppBackend) InspectSQL(dbType string, sql string) appcore.SQLInspection {
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return appcore.InspectSQL(dbType, sql)
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}
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func (b *AppBackend) GetSQLSafetyLevel() ai.SQLPermissionLevel {
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inspection, err := aiservice.NewProviderConfigStore(appdata.MustResolveActiveRoot(), nil).Inspect()
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if err != nil {
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logger.Error(err, "加载 MCP SQL 安全控制失败，按只读模式回退")
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return ai.PermissionReadOnly
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}
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switch inspection.Snapshot.SafetyLevel {
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case ai.PermissionReadOnly, ai.PermissionReadWrite, ai.PermissionFull:
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return inspection.Snapshot.SafetyLevel
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default:
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return ai.PermissionReadOnly
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}
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}
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