Initial commit after restructure

process/fileinfo.go

@@ -0,0 +1,74 @@
+// Copyright Safing ICS Technologies GmbH. Use of this source code is governed by the AGPL license that can be found in the LICENSE file.
+
+package process
+
+import (
+	"github.com/Safing/safing-core/database"
+	"strings"
+	"time"
+
+	datastore "github.com/ipfs/go-datastore"
+)
+
+// ExecutableSignature stores a signature of an executable.
+type ExecutableSignature []byte
+
+// FileInfo stores (security) information about a file.
+type FileInfo struct {
+	database.Base
+	HumanName      string
+	Owners         []string
+	ApproxLastSeen int64
+	Signature      *ExecutableSignature
+}
+
+var fileInfoModel *FileInfo // only use this as parameter for database.EnsureModel-like functions
+
+func init() {
+	database.RegisterModel(fileInfoModel, func() database.Model { return new(FileInfo) })
+}
+
+// Create saves FileInfo with the provided name in the default namespace.
+func (m *FileInfo) Create(name string) error {
+	return m.CreateObject(&database.FileInfoCache, name, m)
+}
+
+// CreateInNamespace saves FileInfo with the provided name in the provided namespace.
+func (m *FileInfo) CreateInNamespace(namespace *datastore.Key, name string) error {
+	return m.CreateObject(namespace, name, m)
+}
+
+// Save saves FileInfo.
+func (m *FileInfo) Save() error {
+	return m.SaveObject(m)
+}
+
+// getFileInfo fetches FileInfo with the provided name from the default namespace.
+func getFileInfo(name string) (*FileInfo, error) {
+	return getFileInfoFromNamespace(&database.FileInfoCache, name)
+}
+
+// getFileInfoFromNamespace fetches FileInfo with the provided name from the provided namespace.
+func getFileInfoFromNamespace(namespace *datastore.Key, name string) (*FileInfo, error) {
+	object, err := database.GetAndEnsureModel(namespace, name, fileInfoModel)
+	if err != nil {
+		return nil, err
+	}
+	model, ok := object.(*FileInfo)
+	if !ok {
+		return nil, database.NewMismatchError(object, fileInfoModel)
+	}
+	return model, nil
+}
+
+// GetFileInfo gathers information about a file and returns *FileInfo
+func GetFileInfo(path string) *FileInfo {
+	// TODO: actually get file information
+	// TODO: try to load from DB
+	// TODO: save to DB (key: hash of some sorts)
+	splittedPath := strings.Split("/", path)
+	return &FileInfo{
+		HumanName:      splittedPath[len(splittedPath)-1],
+		ApproxLastSeen: time.Now().Unix(),
+	}
+}