my computer is about to die!!!

files/doc.go

@@ -0,0 +1,3 @@
+package files
+
+//  package that manage the encryption of files and directory

files/encrypt_file.go

@@ -0,0 +1,15 @@
+package files
+
+import (
+	"io"
+
+	"github.com/didiercrunch/filou/contract"
+	"github.com/didiercrunch/filou/envelop"
+	"github.com/didiercrunch/filou/payload"
+)
+
+func EncryptFile(reader io.Reader, writer io.Writer, acceptedContract *contract.AcceptedContract) error {
+	payload_ := payload.GetDefaultPayload(reader)
+	envelop := envelop.NewEnveloper(nil, payload_, nil)
+	return envelop.WriteToWriter(writer)
+}

files/files.go

@@ -0,0 +1,39 @@
+package files
+
+import (
+	"fmt"
+	"io"
+	"os"
+
+	"github.com/didiercrunch/filou/contract"
+)
+
+var _ = fmt.Print
+
+type encryptor func(reader io.Reader, writer io.Writer, acceptedContract *contract.AcceptedContract) error
+
+type PathEncryptor struct {
+	EncryptFile      encryptor
+	EncryptDirectory encryptor
+}
+
+func (this *PathEncryptor) EncryptPath(path string, writer io.Writer, acceptedContract *contract.AcceptedContract) error {
+	f, err := os.Open(path)
+	if err != nil {
+		return err
+	}
+
+	defer func() {
+		if err := f.Close(); err != nil {
+			panic(err)
+		}
+	}()
+
+	if fd, err := f.Stat(); err != nil {
+		return err
+	} else if fd.IsDir() {
+		return this.EncryptDirectory(f, writer, acceptedContract)
+	} else {
+		return this.EncryptFile(f, writer, acceptedContract)
+	}
+}

files/files_test.go

@@ -0,0 +1,63 @@
+package files
+
+import (
+	"fmt"
+	"io"
+	"testing"
+
+	"github.com/didiercrunch/filou/contract"
+	"github.com/didiercrunch/filou/helper"
+)
+
+var _ = fmt.Print
+
+type mockEncryptor struct {
+	N int
+}
+
+func (this *mockEncryptor) Encrypt(reader io.Reader, writer io.Writer, acceptedContract *contract.AcceptedContract) error {
+	this.N += 1
+	return nil
+}
+
+func TestEncryptPathWrongPath(t *testing.T) {
+	pe := new(PathEncryptor)
+
+	filePath := "/something_that_does_not_exists"
+	if err := pe.EncryptPath(filePath, nil, nil); err == nil {
+		t.Error("should say the file does not exists")
+	}
+}
+
+func TestEncryptPathForDirectory(t *testing.T) {
+	dirName := helper.GetTmpEmptyDir()
+	fileEncryptor, dirEncryptor := new(mockEncryptor), new(mockEncryptor)
+	pe := &PathEncryptor{fileEncryptor.Encrypt, dirEncryptor.Encrypt}
+
+	if err := pe.EncryptPath(dirName, nil, nil); err != nil {
+		t.Error(err)
+	} else if fileEncryptor.N != 0 {
+		t.Error("should have 0", fileEncryptor.N)
+	} else if dirEncryptor.N != 1 {
+		t.Error("should have 1", dirEncryptor.N)
+	}
+}
+
+func TestEncryptPathForFile(t *testing.T) {
+	file := helper.GetTmpEmptyFile()
+	defer func() {
+		if err := file.Close(); err != nil {
+			t.Error(err)
+		}
+	}()
+	fileEncryptor, dirEncryptor := new(mockEncryptor), new(mockEncryptor)
+	pe := &PathEncryptor{fileEncryptor.Encrypt, dirEncryptor.Encrypt}
+
+	if err := pe.EncryptPath(file.Name(), nil, nil); err != nil {
+		t.Error(err)
+	} else if fileEncryptor.N != 1 {
+		t.Error("should have 1", fileEncryptor.N)
+	} else if dirEncryptor.N != 0 {
+		t.Error("should have 0", dirEncryptor.N)
+	}
+}