mirror of
https://github.com/drakkan/sftpgo.git
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294 lines
10 KiB
Go
294 lines
10 KiB
Go
// Copyright (C) 2019-2022 Nicola Murino
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//
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// This program is free software: you can redistribute it and/or modify
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// it under the terms of the GNU Affero General Public License as published
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// by the Free Software Foundation, version 3.
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//
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU Affero General Public License for more details.
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//
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// You should have received a copy of the GNU Affero General Public License
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// along with this program. If not, see <https://www.gnu.org/licenses/>.
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package ftpd_test
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import (
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"crypto/sha256"
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"fmt"
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"hash"
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"io"
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"net/http"
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"os"
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"path"
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"path/filepath"
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"testing"
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"time"
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"github.com/minio/sio"
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"github.com/sftpgo/sdk"
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"github.com/stretchr/testify/assert"
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"github.com/drakkan/sftpgo/v2/internal/common"
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"github.com/drakkan/sftpgo/v2/internal/dataprovider"
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"github.com/drakkan/sftpgo/v2/internal/httpdtest"
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"github.com/drakkan/sftpgo/v2/internal/kms"
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)
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func TestBasicFTPHandlingCryptFs(t *testing.T) {
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u := getTestUserWithCryptFs()
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u.QuotaSize = 6553600
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user, _, err := httpdtest.AddUser(u, http.StatusCreated)
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assert.NoError(t, err)
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client, err := getFTPClient(user, true, nil)
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if assert.NoError(t, err) {
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assert.Len(t, common.Connections.GetStats(""), 1)
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testFilePath := filepath.Join(homeBasePath, testFileName)
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testFileSize := int64(65535)
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encryptedFileSize, err := getEncryptedFileSize(testFileSize)
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assert.NoError(t, err)
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expectedQuotaSize := encryptedFileSize
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expectedQuotaFiles := 1
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err = createTestFile(testFilePath, testFileSize)
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assert.NoError(t, err)
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err = checkBasicFTP(client)
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assert.NoError(t, err)
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err = ftpUploadFile(testFilePath, path.Join("/missing_dir", testFileName), testFileSize, client, 0)
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assert.Error(t, err)
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err = ftpUploadFile(testFilePath, testFileName, testFileSize, client, 0)
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assert.NoError(t, err)
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// overwrite an existing file
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err = ftpUploadFile(testFilePath, testFileName, testFileSize, client, 0)
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assert.NoError(t, err)
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localDownloadPath := filepath.Join(homeBasePath, testDLFileName)
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err = ftpDownloadFile(testFileName, localDownloadPath, testFileSize, client, 0)
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assert.NoError(t, err)
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info, err := os.Stat(localDownloadPath)
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if assert.NoError(t, err) {
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assert.Equal(t, testFileSize, info.Size())
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}
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list, err := client.List(".")
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if assert.NoError(t, err) {
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if assert.Len(t, list, 1) {
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assert.Equal(t, testFileSize, int64(list[0].Size))
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}
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}
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user, _, err = httpdtest.GetUserByUsername(user.Username, http.StatusOK)
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assert.NoError(t, err)
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assert.Equal(t, expectedQuotaFiles, user.UsedQuotaFiles)
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assert.Equal(t, expectedQuotaSize, user.UsedQuotaSize)
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err = client.Rename(testFileName, testFileName+"1")
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assert.NoError(t, err)
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err = client.Delete(testFileName)
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assert.Error(t, err)
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err = client.Delete(testFileName + "1")
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assert.NoError(t, err)
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user, _, err = httpdtest.GetUserByUsername(user.Username, http.StatusOK)
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assert.NoError(t, err)
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assert.Equal(t, expectedQuotaFiles-1, user.UsedQuotaFiles)
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assert.Equal(t, expectedQuotaSize-encryptedFileSize, user.UsedQuotaSize)
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curDir, err := client.CurrentDir()
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if assert.NoError(t, err) {
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assert.Equal(t, "/", curDir)
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}
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testDir := "testDir"
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err = client.MakeDir(testDir)
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assert.NoError(t, err)
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err = client.ChangeDir(testDir)
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assert.NoError(t, err)
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curDir, err = client.CurrentDir()
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if assert.NoError(t, err) {
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assert.Equal(t, path.Join("/", testDir), curDir)
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}
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err = ftpUploadFile(testFilePath, testFileName, testFileSize, client, 0)
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assert.NoError(t, err)
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size, err := client.FileSize(path.Join("/", testDir, testFileName))
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assert.NoError(t, err)
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assert.Equal(t, testFileSize, size)
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err = client.ChangeDirToParent()
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assert.NoError(t, err)
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curDir, err = client.CurrentDir()
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if assert.NoError(t, err) {
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assert.Equal(t, "/", curDir)
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}
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err = client.Delete(path.Join("/", testDir, testFileName))
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assert.NoError(t, err)
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err = client.Delete(testDir)
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assert.Error(t, err)
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err = client.RemoveDir(testDir)
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assert.NoError(t, err)
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err = os.Remove(testFilePath)
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assert.NoError(t, err)
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err = os.Remove(localDownloadPath)
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assert.NoError(t, err)
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err = client.Quit()
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assert.NoError(t, err)
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}
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_, err = httpdtest.RemoveUser(user, http.StatusOK)
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assert.NoError(t, err)
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err = os.RemoveAll(user.GetHomeDir())
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assert.NoError(t, err)
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assert.Eventually(t, func() bool { return len(common.Connections.GetStats("")) == 0 }, 1*time.Second, 50*time.Millisecond)
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assert.Eventually(t, func() bool { return common.Connections.GetClientConnections() == 0 }, 1000*time.Millisecond,
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50*time.Millisecond)
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}
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func TestZeroBytesTransfersCryptFs(t *testing.T) {
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u := getTestUserWithCryptFs()
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user, _, err := httpdtest.AddUser(u, http.StatusCreated)
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assert.NoError(t, err)
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client, err := getFTPClient(user, true, nil)
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if assert.NoError(t, err) {
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testFileName := "testfilename"
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err = checkBasicFTP(client)
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assert.NoError(t, err)
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localDownloadPath := filepath.Join(homeBasePath, "emptydownload")
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err = os.WriteFile(localDownloadPath, []byte(""), os.ModePerm)
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assert.NoError(t, err)
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err = ftpUploadFile(localDownloadPath, testFileName, 0, client, 0)
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assert.NoError(t, err)
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size, err := client.FileSize(testFileName)
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assert.NoError(t, err)
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assert.Equal(t, int64(0), size)
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err = os.Remove(localDownloadPath)
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assert.NoError(t, err)
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assert.NoFileExists(t, localDownloadPath)
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err = ftpDownloadFile(testFileName, localDownloadPath, 0, client, 0)
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assert.NoError(t, err)
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info, err := os.Stat(localDownloadPath)
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if assert.NoError(t, err) {
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assert.Equal(t, int64(0), info.Size())
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}
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err = client.Quit()
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assert.NoError(t, err)
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err = os.Remove(localDownloadPath)
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assert.NoError(t, err)
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}
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_, err = httpdtest.RemoveUser(user, http.StatusOK)
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assert.NoError(t, err)
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err = os.RemoveAll(user.GetHomeDir())
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assert.NoError(t, err)
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}
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func TestResumeCryptFs(t *testing.T) {
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u := getTestUserWithCryptFs()
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user, _, err := httpdtest.AddUser(u, http.StatusCreated)
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assert.NoError(t, err)
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client, err := getFTPClient(user, true, nil)
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if assert.NoError(t, err) {
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testFilePath := filepath.Join(homeBasePath, testFileName)
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data := []byte("test data")
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err = os.WriteFile(testFilePath, data, os.ModePerm)
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assert.NoError(t, err)
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err = ftpUploadFile(testFilePath, testFileName, int64(len(data)), client, 0)
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assert.NoError(t, err)
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// resuming uploads is not supported
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err = ftpUploadFile(testFilePath, testFileName, int64(len(data)+5), client, 5)
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assert.Error(t, err)
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localDownloadPath := filepath.Join(homeBasePath, testDLFileName)
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err = ftpDownloadFile(testFileName, localDownloadPath, int64(4), client, 5)
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assert.NoError(t, err)
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readed, err := os.ReadFile(localDownloadPath)
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assert.NoError(t, err)
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assert.Equal(t, data[5:], readed)
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err = ftpDownloadFile(testFileName, localDownloadPath, int64(8), client, 1)
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assert.NoError(t, err)
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readed, err = os.ReadFile(localDownloadPath)
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assert.NoError(t, err)
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assert.Equal(t, data[1:], readed)
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err = ftpDownloadFile(testFileName, localDownloadPath, int64(0), client, 9)
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assert.NoError(t, err)
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err = client.Delete(testFileName)
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assert.NoError(t, err)
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err = ftpUploadFile(testFilePath, testFileName, int64(len(data)), client, 0)
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assert.NoError(t, err)
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// now append to a file
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srcFile, err := os.Open(testFilePath)
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if assert.NoError(t, err) {
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err = client.Append(testFileName, srcFile)
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assert.Error(t, err)
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err = srcFile.Close()
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assert.NoError(t, err)
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size, err := client.FileSize(testFileName)
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assert.NoError(t, err)
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assert.Equal(t, int64(len(data)), size)
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err = ftpDownloadFile(testFileName, localDownloadPath, int64(len(data)), client, 0)
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assert.NoError(t, err)
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readed, err = os.ReadFile(localDownloadPath)
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assert.NoError(t, err)
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assert.Equal(t, data, readed)
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}
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// now test a download resume using a bigger file
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testFileSize := int64(655352)
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err = createTestFile(testFilePath, testFileSize)
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assert.NoError(t, err)
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initialHash, err := computeHashForFile(sha256.New(), testFilePath)
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assert.NoError(t, err)
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err = ftpUploadFile(testFilePath, testFileName, testFileSize, client, 0)
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assert.NoError(t, err)
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err = ftpDownloadFile(testFileName, localDownloadPath, testFileSize, client, 0)
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assert.NoError(t, err)
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downloadHash, err := computeHashForFile(sha256.New(), localDownloadPath)
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assert.NoError(t, err)
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assert.Equal(t, initialHash, downloadHash)
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err = os.Truncate(localDownloadPath, 32767)
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assert.NoError(t, err)
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err = ftpDownloadFile(testFileName, localDownloadPath+"_partial", testFileSize-32767, client, 32767)
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assert.NoError(t, err)
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file, err := os.OpenFile(localDownloadPath, os.O_APPEND|os.O_WRONLY, os.ModePerm)
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assert.NoError(t, err)
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file1, err := os.Open(localDownloadPath + "_partial")
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assert.NoError(t, err)
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_, err = io.Copy(file, file1)
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assert.NoError(t, err)
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err = file.Close()
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assert.NoError(t, err)
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err = file1.Close()
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assert.NoError(t, err)
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downloadHash, err = computeHashForFile(sha256.New(), localDownloadPath)
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assert.NoError(t, err)
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assert.Equal(t, initialHash, downloadHash)
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err = client.Quit()
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assert.NoError(t, err)
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err = os.Remove(testFilePath)
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assert.NoError(t, err)
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err = os.Remove(localDownloadPath)
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assert.NoError(t, err)
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err = os.Remove(localDownloadPath + "_partial")
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assert.NoError(t, err)
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}
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_, err = httpdtest.RemoveUser(user, http.StatusOK)
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assert.NoError(t, err)
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err = os.RemoveAll(user.GetHomeDir())
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assert.NoError(t, err)
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}
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func getTestUserWithCryptFs() dataprovider.User {
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user := getTestUser()
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user.FsConfig.Provider = sdk.CryptedFilesystemProvider
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user.FsConfig.CryptConfig.Passphrase = kms.NewPlainSecret("testPassphrase")
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return user
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}
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func getEncryptedFileSize(size int64) (int64, error) {
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encSize, err := sio.EncryptedSize(uint64(size))
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return int64(encSize) + 33, err
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}
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func computeHashForFile(hasher hash.Hash, path string) (string, error) {
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hash := ""
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f, err := os.Open(path)
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if err != nil {
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return hash, err
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}
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defer f.Close()
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_, err = io.Copy(hasher, f)
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if err == nil {
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hash = fmt.Sprintf("%x", hasher.Sum(nil))
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}
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return hash, err
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}
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