82 lines
2.2 KiB
Go
82 lines
2.2 KiB
Go
package plugin
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import (
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"context"
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"errors"
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"fmt"
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"net"
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"github.com/Neur0toxine/sshpoke/internal/config"
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"github.com/Neur0toxine/sshpoke/internal/logger"
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"github.com/Neur0toxine/sshpoke/internal/model"
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"github.com/Neur0toxine/sshpoke/internal/server"
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"github.com/Neur0toxine/sshpoke/internal/server/driver/plugin"
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pb "github.com/Neur0toxine/sshpoke/pkg/plugin"
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"google.golang.org/grpc"
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"google.golang.org/grpc/metadata"
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"google.golang.org/protobuf/types/known/emptypb"
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)
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var ErrUnauthorized = errors.New("unauthorized")
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type pluginAPI struct {
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pb.UnimplementedPluginServiceServer
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}
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func (p *pluginAPI) Event(stream pb.PluginService_EventServer) error {
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pl := p.receiverForContext(stream.Context())
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if pl == nil {
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return ErrUnauthorized
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}
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logger.Sugar.Debugw("attached plugin event stream", "serverName", pl.Name())
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err := pl.Listen(stream.Context(), &Stream{stream: stream})
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if err != nil {
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logger.Sugar.Debugw("detached plugin event stream", "serverName", pl.Name(), "error", err)
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return err
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}
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logger.Sugar.Debugw("detached plugin event stream", "serverName", pl.Name())
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return nil
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}
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func (p *pluginAPI) EventStatus(ctx context.Context, msg *pb.EventStatusMessage) (*emptypb.Empty, error) {
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pl := p.receiverForContext(ctx)
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if pl == nil {
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return nil, ErrUnauthorized
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}
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pl.HandleStatus(model.EventRequest{
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ID: msg.Id,
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Error: msg.Error,
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})
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return &emptypb.Empty{}, nil
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}
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func (p *pluginAPI) receiverForContext(ctx context.Context) *plugin.Plugin {
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md, ok := metadata.FromIncomingContext(ctx)
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if !ok {
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return nil
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}
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tokens := md.Get("token")
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if len(tokens) != 1 {
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return nil
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}
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return server.DefaultManager.PluginByToken(tokens[0])
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}
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func StartAPIServer() {
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port := config.Default.PluginAPIPort
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if port == 0 {
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port = 3000
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}
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socket, err := net.Listen("tcp", fmt.Sprintf(":%d", port))
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if err != nil {
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logger.Sugar.Errorf("cannot start plugin API server on port %d: %s", port, err)
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return
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}
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s := grpc.NewServer()
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pb.RegisterPluginServiceServer(s, &pluginAPI{})
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logger.Sugar.Debugf("starting plugin server on :%d", port)
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if err := s.Serve(socket); err != nil {
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logger.Sugar.Fatalf("cannot start plugin server on :%d: %s", port, err)
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}
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}
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