Files
ttstd-infinite-canvas/backend/internal/service/protocol_registry.go

333 lines
11 KiB
Go

package service
import (
"context"
"fmt"
"os"
"path/filepath"
"strings"
"sync"
"time"
"infinite-canvas/backend/internal/model"
"infinite-canvas/backend/internal/protocol"
)
type protocolRegistryContextKey struct{}
var emptyProtocolRegistry, _ = protocol.NewRegistry()
var officialFallbackRegistryOnce sync.Once
var officialFallbackRegistry = emptyProtocolRegistry
func withProtocolRegistry(ctx context.Context, registry *protocol.Registry) context.Context {
return context.WithValue(ctx, protocolRegistryContextKey{}, registry)
}
func protocolAdapterForContext(ctx context.Context, id string) (protocol.Adapter, bool) {
registry, _ := ctx.Value(protocolRegistryContextKey{}).(*protocol.Registry)
if registry == nil {
registry = emptyProtocolRegistry
}
return registry.Resolve(strings.TrimSpace(id))
}
func declarativeProtocolAdapterForContext(ctx context.Context, id string) (protocol.Adapter, bool) {
adapter, ok := protocolAdapterForContext(ctx, id)
if !ok || adapter.Metadata().Execution != "declarative" {
return nil, false
}
return adapter, true
}
func agentProtocolAdapterForContext(ctx context.Context, id string) (protocol.AgentAdapter, bool) {
registry, _ := ctx.Value(protocolRegistryContextKey{}).(*protocol.Registry)
if registry == nil {
registry = emptyProtocolRegistry
}
adapter, ok := registry.Resolve(strings.TrimSpace(id))
if !ok || adapter.Metadata().Execution != "declarative" {
return nil, false
}
agentAdapter, ok := adapter.(protocol.AgentAdapter)
if !ok {
return nil, false
}
capability, ok := adapter.(protocol.AgentCapability)
return agentAdapter, ok && capability.AgentAvailable()
}
type PluginProviderCatalogItem struct {
ID string `json:"id"`
Version string `json:"version"`
Name string `json:"name"`
Vendor string `json:"vendor"`
Categories []protocol.Capability `json:"categories"`
Scopes []protocol.Surface `json:"scopes"`
Create string `json:"create,omitempty"`
Poll string `json:"poll,omitempty"`
ContentType string `json:"contentType,omitempty"`
BaseURL string `json:"baseUrl,omitempty"`
Enabled bool `json:"enabled"`
UnavailableReason string `json:"unavailableReason,omitempty"`
Workflows []protocol.ManifestWorkflow `json:"workflows,omitempty"`
}
// PluginProviderCatalog projects provider and workflow contributions from the
// unified plugin registry for channel and creation settings.
func (s *Service) PluginProviderCatalog(scope, capability string, includeUnavailable bool) []PluginProviderCatalogItem {
wantScope := protocol.Surface(strings.TrimSpace(scope))
wantCapability := protocol.Capability(strings.TrimSpace(capability))
items := make([]PluginProviderCatalogItem, 0)
for _, plugin := range s.Plugins() {
for _, provider := range plugin.Manifest.Contributes.Providers {
if !containsPluginSurface(provider.Scopes, wantScope) || (wantCapability != "" && !containsPluginCapability(provider.Capabilities, wantCapability)) {
continue
}
item := PluginProviderCatalogItem{ID: provider.ID, Version: plugin.Manifest.Version, Name: provider.Label, Vendor: plugin.Manifest.Author, Categories: provider.Capabilities, Scopes: provider.Scopes, BaseURL: provider.BaseURL, Enabled: plugin.Status == "enabled", UnavailableReason: plugin.Error, Workflows: workflowsForProvider(plugin.Manifest.Contributes.Workflows, provider.ID)}
item.Create, item.Poll, item.ContentType = operationSummary(provider.Create), operationSummaryPtr(provider.Poll), provider.Create.ContentType
// The registry metadata is the canonical provider projection. This keeps
// host-backed dispatch paths out of every user-facing catalog consumer.
if adapter, ok := canonicalProviderAdapter(s.protocolRegistry(), provider.ID); ok {
metadata := adapter.Metadata()
item.Create, item.Poll, item.ContentType = metadata.Create, metadata.Poll, metadata.ContentType
}
if includeUnavailable || item.Enabled {
items = append(items, item)
}
}
}
return items
}
func canonicalProviderAdapter(registry *protocol.Registry, id string) (protocol.Adapter, bool) {
return registry.Resolve(id)
}
func containsPluginSurface(items []protocol.Surface, want protocol.Surface) bool {
for _, item := range items {
if item == want {
return true
}
}
return false
}
func containsPluginCapability(items []protocol.Capability, want protocol.Capability) bool {
for _, item := range items {
if item == want {
return true
}
}
return false
}
func workflowsForProvider(items []protocol.ManifestWorkflow, providerID string) []protocol.ManifestWorkflow {
result := make([]protocol.ManifestWorkflow, 0)
for _, item := range items {
if item.ProviderID == providerID {
result = append(result, item)
}
}
return result
}
func operationSummary(operation protocol.ManifestOperation) string {
path := strings.ReplaceAll(operation.Path, "{{model}}", "{model}")
path = strings.ReplaceAll(path, "{{taskId}}", "{task_id}")
return strings.ToUpper(operation.Method) + " " + path
}
func operationSummaryPtr(operation *protocol.ManifestOperation) string {
if operation == nil {
return ""
}
return operationSummary(*operation)
}
func (s *Service) protocolRegistry() *protocol.Registry {
if s.pluginRuntime != nil {
if registry := s.pluginRuntime.registrySnapshot(); registry != nil {
return registry
}
}
return loadOfficialFallbackRegistry()
}
func loadOfficialFallbackRegistry() *protocol.Registry {
officialFallbackRegistryOnce.Do(func() {
directory, err := officialPluginPackageDir()
if err != nil {
return
}
entries, err := os.ReadDir(directory)
if err != nil {
return
}
adapters := make([]protocol.Adapter, 0, len(entries))
for _, entry := range entries {
if entry.IsDir() || !strings.HasSuffix(strings.ToLower(entry.Name()), ".yingce-plugin") {
continue
}
data, err := os.ReadFile(filepath.Join(directory, entry.Name()))
if err != nil {
return
}
pkg, err := protocol.ParsePluginPackage(data)
if err != nil {
return
}
providers, err := protocol.LoadInstalledProviders(pkg.ManifestRaw, nil)
if err != nil {
return
}
adapters = append(adapters, providers...)
}
registry, err := protocol.NewRegistry(adapters...)
if err == nil {
officialFallbackRegistry = registry
}
})
return officialFallbackRegistry
}
func (s *Service) protocolMetadata(id string) (protocol.Metadata, bool) {
adapter, ok := s.protocolRegistry().Resolve(strings.TrimSpace(id))
if !ok {
return protocol.Metadata{}, false
}
return adapter.Metadata(), true
}
func (s *Service) channelProtocolMetadata(id string) (protocol.Metadata, bool) {
return s.protocolMetadata(id)
}
func (s *Service) canonicalProtocolID(id string) (string, bool) {
adapter, ok := s.protocolRegistry().Resolve(strings.TrimSpace(id))
if !ok {
return "", false
}
return adapter.Metadata().ID, true
}
func (s *Service) protocolIsSelectable(id string) bool {
metadata, ok := s.channelProtocolMetadata(id)
return ok && metadata.Enabled && metadata.UnavailableReason == ""
}
func (s *Service) Plugins() []PluginView {
if s.pluginRuntime == nil {
return []PluginView{}
}
items := s.pluginRuntime.list()
for index := range items {
items[index].Management = pluginManagement(items[index].Manifest.ID, items[index].Source)
}
return items
}
// PluginsForUser keeps the plugin center response aligned with the public
// feature switch. Administrators must still be able to inspect and recover
// bundled plugins even when ordinary users cannot see them.
func (s *Service) PluginsForUser(actor *model.User) ([]PluginView, error) {
items := s.Plugins()
if actor != nil && actor.Role == model.UserRoleAdmin {
return items, nil
}
visible, err := s.FeatureEnabled(FeatureSystemPlugins)
if err != nil {
return nil, err
}
if visible {
return items, nil
}
filtered := make([]PluginView, 0, len(items))
for _, item := range items {
if item.Management.ActivationScope == PluginScopeUser {
filtered = append(filtered, item)
}
}
return filtered, nil
}
func (s *Service) InstallPlugin(data []byte, fileName string) (PluginView, error) {
if s.pluginRuntime == nil {
return PluginView{}, fmt.Errorf("插件运行时未初始化")
}
return s.pluginRuntime.install(data, fileName)
}
func (s *Service) InstallPluginForAdmin(actor *model.User, data []byte, fileName string) (PluginView, error) {
if err := s.RequireAdmin(actor); err != nil {
return PluginView{}, err
}
parsed, err := protocol.ParsePluginPackage(data)
if err != nil {
return PluginView{}, err
}
if _, reserved := officialApplicationPolicies[parsed.Manifest.Metadata.ID]; reserved {
return PluginView{}, fmt.Errorf("插件 ID %q 由官方应用保留", parsed.Manifest.Metadata.ID)
}
plugin, err := s.InstallPlugin(data, fileName)
if err != nil {
return PluginView{}, err
}
plugin.Management = pluginManagement(plugin.Manifest.ID, plugin.Source)
now := time.Now()
state := &model.PluginPlatformState{PluginID: plugin.Manifest.ID, Available: plugin.Status == "enabled", UpdatedBy: actor.ID, CreatedAt: now, UpdatedAt: now}
if err := s.repo.SavePluginPlatformState(state); err != nil {
return PluginView{}, fmt.Errorf("保存插件平台状态:%w", err)
}
if err := s.appendAdminAudit(actor, "plugin.install", "plugin", plugin.Manifest.ID, "安装自定义插件", map[string]any{"fileName": fileName, "sha256": plugin.SHA256}); err != nil {
return PluginView{}, err
}
return plugin, nil
}
func (s *Service) PluginPackage(id string) ([]byte, string, error) {
if s.pluginRuntime == nil {
return nil, "", fmt.Errorf("插件运行时未初始化")
}
s.pluginRuntime.mu.RLock()
record, ok := s.pluginRuntime.plugins[strings.TrimSpace(id)]
s.pluginRuntime.mu.RUnlock()
if !ok {
return nil, "", fmt.Errorf("插件 %q 不存在", id)
}
if record.PackagePath == "" {
return nil, "", fmt.Errorf("插件 %q 没有可下载的包文件", id)
}
data, err := os.ReadFile(filepath.Join(s.pluginRuntime.packageDir, filepath.Base(record.PackagePath)))
if err != nil {
return nil, "", fmt.Errorf("读取插件包失败:%w", err)
}
return data, record.FileName, nil
}
func (s *Service) SetPluginEnabled(id string, enabled bool) (PluginView, error) {
if s.pluginRuntime == nil {
return PluginView{}, fmt.Errorf("插件运行时未初始化")
}
return s.pluginRuntime.setEnabled(id, enabled)
}
func (s *Service) UninstallPlugin(id string) error {
if s.pluginRuntime == nil {
return fmt.Errorf("插件运行时未初始化")
}
return s.pluginRuntime.uninstall(id)
}
func (s *Service) UninstallPluginForAdmin(actor *model.User, id string) error {
if err := s.RequireAdmin(actor); err != nil {
return err
}
if err := s.UninstallPlugin(id); err != nil {
return err
}
if err := s.repo.DeleteUserPluginStates(id); err != nil {
return fmt.Errorf("清理用户插件状态:%w", err)
}
if err := s.repo.DeletePluginPlatformState(id); err != nil {
return fmt.Errorf("清理插件平台状态:%w", err)
}
return s.appendAdminAudit(actor, "plugin.uninstall", "plugin", id, "卸载自定义插件", nil)
}