/
handlerUpDown.go
310 lines (258 loc) · 10.3 KB
/
handlerUpDown.go
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// Copyright (c) 2016 OpenM++
// This code is licensed under the MIT license (see LICENSE.txt for details)
package main
import (
"errors"
"io/fs"
"net/http"
"os"
"path/filepath"
"strings"
"time"
"github.com/openmpp/go/ompp/helper"
"github.com/openmpp/go/ompp/omppLog"
)
// fileLogDownloadGetHandler return .download.log file by name and download status.
// GET /api/download/log/file/:name
// Download status is one of: progress ready error or "" if unknown
func fileLogDownloadGetHandler(w http.ResponseWriter, r *http.Request) {
fileLogUpDownGet("download", theCfg.downloadDir, w, r)
}
// fileLogUploadGetHandler return .upload.log file by name and upload status.
// GET /api/upload/log/file/:name
// Upload status is one of: progress ready error or "" if unknown
func fileLogUploadGetHandler(w http.ResponseWriter, r *http.Request) {
fileLogUpDownGet("upload", theCfg.uploadDir, w, r)
}
// fileLogUpDownGet return .up-or-down.log file by name and status.
// Status is one of: progress ready error or "" if unknown
func fileLogUpDownGet(upDown string, upDownDir string, w http.ResponseWriter, r *http.Request) {
// url or query parameters
fileName := getRequestParam(r, "name")
// validate name: it must be a file name only, it cannot be any directory
if fileName == "" || !strings.HasSuffix(fileName, "."+upDown+".log") || fileName != filepath.Base(helper.CleanPath(fileName)) {
http.Error(w, "Log file name invalid (or empty): "+fileName, http.StatusBadRequest)
return
}
// read file content
filePath := filepath.Join(upDownDir, fileName)
if !fileExist(filePath) {
http.Error(w, "Log file not found: "+fileName, http.StatusBadRequest)
return
}
bt, err := os.ReadFile(filePath)
if err != nil {
http.Error(w, "Failed to read log file: "+fileName, http.StatusBadRequest)
return
}
fc := string(bt)
// parse log file content to get folder name, log file kind and keys
uds := parseUpDownLog(upDown, fileName, fc)
updateStatUpDownLog(fileName, &uds, upDownDir)
jsonResponse(w, r, uds) // return log file content and status
}
// allDownloadLogGetHandler return all .download.log files and download status.
// GET /api/download/log/all
// Download status is one of: progress ready error or "" if unknown
func allLogDownloadGetHandler(w http.ResponseWriter, r *http.Request) {
allLogUpDownGet("download", theCfg.downloadDir, w, r)
}
// allUploadLogGetHandler return all .upload.log files and download status.
// GET /api/upload/log/all
// Upload status is one of: progress ready error or "" if unknown
func allLogUploadGetHandler(w http.ResponseWriter, r *http.Request) {
allLogUpDownGet("upload", theCfg.uploadDir, w, r)
}
// allDownloadLogGetHandler return all .up-or-down.log files and status.
// Status is one of: progress ready error or "" if unknown
func allLogUpDownGet(upDown string, upDownDir string, w http.ResponseWriter, r *http.Request) {
// find all .up-or-down.log files
fLst, err := os.ReadDir(upDownDir)
if err != nil {
http.Error(w, "Error at reading log directory", http.StatusBadRequest)
return
}
// parse all files
udsLst := parseUpDownLogFileList(upDown, "", fLst, upDownDir)
jsonResponse(w, r, udsLst)
}
// modelDownloadLogGetHandler return model .download.log files with download status.
// GET /api/download/log/model/:model
// Download status is one of: progress ready error or "" if unknown
func modelLogDownloadGetHandler(w http.ResponseWriter, r *http.Request) {
modelLogUpDownGet("download", theCfg.downloadDir, w, r)
}
// modelUploadLogGetHandler return model .upload.log files with upload status.
// GET /api/upload/log/model/:model
// Upload status is one of: progress ready error or "" if unknown
func modelLogUploadGetHandler(w http.ResponseWriter, r *http.Request) {
modelLogUpDownGet("upload", theCfg.uploadDir, w, r)
}
// modelUpDownLogGet return model .up-or-down.log files and status.
// Status is one of: progress ready error or "" if unknown
func modelLogUpDownGet(upDown string, upDownDir string, w http.ResponseWriter, r *http.Request) {
// url or query parameters
dn := getRequestParam(r, "model") // model digest-or-name
mName := dn
// if this model digest then try to find model name in catalog
mb, ok := theCatalog.modelBasicByDigestOrName(dn)
if ok {
mName = mb.name
}
// find all .up-or-down.log files
fLst, err := os.ReadDir(upDownDir)
if err != nil {
http.Error(w, "Error at reading log directory", http.StatusBadRequest)
return
}
// parse all files
udsLst := parseUpDownLogFileList(upDown, mName+".", fLst, upDownDir)
jsonResponse(w, r, udsLst)
}
// fileTreeDownloadGetHandler return file tree (file path, size, modification time) by folder name.
// GET /api/download/file-tree/:folder
func fileTreeDownloadGetHandler(w http.ResponseWriter, r *http.Request) {
fileTreeUpDownGet(theCfg.downloadDir, w, r)
}
// fileTreeUploadGetHandler return file tree (file path, size, modification time) by folder name.
// GET /api/upload/file-tree/:folder
func fileTreeUploadGetHandler(w http.ResponseWriter, r *http.Request) {
fileTreeUpDownGet(theCfg.uploadDir, w, r)
}
// fileTreeUpDownGet return file tree (file path, size, modification time) by folder name.
func fileTreeUpDownGet(upDownDir string, w http.ResponseWriter, r *http.Request) {
// url or query parameters
folder := getRequestParam(r, "folder")
if folder == "" || folder != filepath.Base(helper.CleanPath(folder)) {
http.Error(w, "Folder name invalid (or empty): "+folder, http.StatusBadRequest)
return
}
folderPath := filepath.Join(upDownDir, folder)
if !dirExist(folderPath) {
http.Error(w, "Folder not found: "+folder, http.StatusBadRequest)
return
}
dp := filepath.ToSlash(upDownDir) + "/"
// get list of files under up-or-down/folder
treeLst := []PathItem{}
err := filepath.WalkDir(folderPath, func(path string, de fs.DirEntry, err error) error {
if err != nil {
omppLog.Log("Error at directory walk: ", path, " : ", err.Error())
return err
}
fi, e := de.Info()
if e != nil {
return nil // ignore directory entry where file removed after readdir()
}
p := strings.TrimPrefix(filepath.ToSlash(path), dp)
treeLst = append(treeLst, PathItem{
Path: filepath.ToSlash(p),
IsDir: de.IsDir(),
Size: fi.Size(),
ModTime: fi.ModTime().UnixNano() / int64(time.Millisecond),
})
return nil
})
if err != nil {
omppLog.Log("Error at directory walk: ", err.Error())
http.Error(w, "Error at folder scan: "+folder, http.StatusBadRequest)
return
}
jsonResponse(w, r, treeLst)
}
// downloadDeleteHandler delete download files by folder name.
// DELETE /api/download/delete/:folder
// Delete folder, .zip file and .download.log files
func downloadDeleteHandler(w http.ResponseWriter, r *http.Request) {
upDownDelete("download", theCfg.downloadDir, false, w, r)
}
// downloadAsyncDeleteHandler starts deleting of download files by folder name.
// DELETE /api/download/start/delete/:folder
// Delete started on separate thread and does delete of folder, .zip file and .download.log files
func downloadAsyncDeleteHandler(w http.ResponseWriter, r *http.Request) {
upDownDelete("download", theCfg.downloadDir, true, w, r)
}
// uploadDeleteHandler delete upload files by folder name.
// DELETE /api/upload/delete/:folder
// Delete folder, .zip file and .upload.log files
func uploadDeleteHandler(w http.ResponseWriter, r *http.Request) {
upDownDelete("upload", theCfg.uploadDir, false, w, r)
}
// uploadAsyncDeleteHandler starts deleting of upload files by folder name.
// DELETE /api/upload/start/delete/:folder
// Delete started on separate thread and does delete of folder, .zip file and .upload.log files
func uploadAsyncDeleteHandler(w http.ResponseWriter, r *http.Request) {
upDownDelete("upload", theCfg.uploadDir, true, w, r)
}
// upDownDelete delete download or upload files by folder name.
// Delete folder, .zip file and .up-or-down.log files
func upDownDelete(upDown string, upDownDir string, isAsync bool, w http.ResponseWriter, r *http.Request) {
// url or query parameters
folder := getRequestParam(r, "folder")
// delete files
err := doDeleteUpDown(upDown, upDownDir, isAsync, folder)
if err != nil {
http.Error(w, err.Error(), http.StatusBadRequest)
return
}
// report to the client results location
w.Header().Set("Content-Location", "/api/"+upDown+"/delete/"+folder)
}
// delete download or upload files by folder name.
// if isAsync is true then start delete on separate thread
func doDeleteUpDown(upDown string, upDownDir string, isAsync bool, folder string) error {
if folder == "" || folder != filepath.Base(helper.CleanPath(folder)) {
return errors.New("Folder name invalid (or empty): " + folder)
}
omppLog.Log("Delete: ", upDown, " ", folder)
// create new up-or-down.progress.log file and write delete header
logPath := filepath.Join(upDownDir, folder+".progress."+upDown+".log")
logPath, isLog := createUpDownLog(logPath)
if !isLog {
omppLog.Log("Failed to create log file: " + folder + ".progress." + upDown + ".log")
return errors.New("Delete failed: " + folder)
}
hdrMsg := []string{
"---------------",
"Delete : " + folder,
"Folder : " + folder,
"---------------",
}
if !appendToUpDownLog(logPath, true, "Start deleting: "+folder) {
renameToUpDownErrorLog(upDown, logPath, "")
omppLog.Log("Failed to write into log file: " + folder + ".progress." + upDown + ".log")
return errors.New("Delete failed: " + folder)
}
if !appendToUpDownLog(logPath, false, hdrMsg...) {
renameToUpDownErrorLog(upDown, logPath, "")
omppLog.Log("Failed to write into log file: " + folder + ".progress." + upDown + ".log")
return errors.New("Delete failed: " + folder)
}
// delete files on separate thread
doDelete := func(baseName, logPath string) {
// remove files
basePath := filepath.Join(upDownDir, baseName)
if !removeUpDownFile(upDown, basePath+".ready."+upDown+".log", logPath, baseName+".ready."+upDown+".log") {
return
}
if !removeUpDownFile(upDown, basePath+".error."+upDown+".log", logPath, baseName+".error."+upDown+".log") {
return
}
if !removeUpDownFile(upDown, basePath+".zip", logPath, baseName+".zip") {
return
}
if !removeUpDownDir(upDown, basePath, logPath, baseName) {
return
}
// last step: remove delete progress log file
if e := os.Remove(basePath + ".progress." + upDown + ".log"); e != nil && !os.IsNotExist(e) {
omppLog.Log(e)
}
}
if isAsync {
go doDelete(folder, logPath)
} else {
doDelete(folder, logPath)
}
return nil
}