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Implement conversion for OnlyOffice and BoockStack

main 1.0.0
Jonas Letzbor 2023-01-02 11:50:37 +01:00
parent 634d1d6e62
commit 58121dabdc
Signed by: RPJosh
GPG Key ID: 46D72F589702E55A
29 changed files with 2553 additions and 64 deletions
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.gitignore vendored
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@ -21,3 +21,12 @@
# Go workspace file
go.work
# Locally used configuration file
/config.yaml
/ncConverter.json
# Vite build file
/.vite
# Log files
*.log

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BUILD.md 100644
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## Ausführen
set GOTMPDIR=C:\MYCOMP
go run .\cmd\web
npm run dev
npm run build
nodemon --watch './**/*.go' --signal SIGTERM --exec 'go' run cmd/MyProgram/main.go

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LICENSE 100644
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README.md
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# ncDocConverter
A Go program able to convert Office Documents automatically to PDF / EPUB Files via OnlyOffice
A Go program able to convert documents automatically to PDF / EPUB Files.
Currently, the following sources for documents are supported:
* Nextcloud with OnlyOffice
* Boockstack
As a destination to save the converted files only **Nextcloud** is supported.
## Setting it up
For using the
### BookStack
For converting books of BookStack you need to create an API token for the user to access the books:
1. Login as Admin
2. Go to *Settings → Users*
3. Select user for API access
4. Scroll down to `API Tokens` and click `CREATE TOKEN`
5. Set a name and expire date. Click `save`
6. Copy the ID and Token. The field `apiToken` will contain the combination from `id:token`
Now you need also create a new role or edit an existing role.
1. Go to *Settings → Roles*
2. Edit and existing Role (the role which the user have) or create a new role
3. Check the box `Access system API` and `Export content` in `System permissions`
4. Assing View Role *(all and own)* for *Shelves, Books, Chapters and Pages*

73
cmd/ncDocConverth/main.go 100644
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package main
import (
"crypto/tls"
"net/http"
"time"
"rpjosh.de/ncDocConverter/internal/models"
"rpjosh.de/ncDocConverter/internal/ncworker"
"rpjosh.de/ncDocConverter/pkg/logger"
)
type WebApplication struct {
logger *logger.Logger
config *models.WebConfig
}
func main() {
defer logger.CloseFile()
config, err := models.SetConfig()
if err != nil {
logger.Error(err.Error())
}
tlsConfig := &tls.Config{
CurvePreferences: []tls.CurveID{tls.X25519, tls.CurveP256},
MinVersion: tls.VersionTLS12,
CipherSuites: []uint16{
tls.TLS_ECDHE_ECDSA_WITH_AES_256_GCM_SHA384,
tls.TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384,
tls.TLS_ECDHE_ECDSA_WITH_CHACHA20_POLY1305,
tls.TLS_ECDHE_RSA_WITH_CHACHA20_POLY1305,
tls.TLS_ECDHE_ECDSA_WITH_AES_128_GCM_SHA256,
tls.TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256,
},
}
webApp := WebApplication{
logger: logger.GetGlobalLogger(),
config: config,
}
srv := &http.Server{
Addr: config.Server.Address,
ErrorLog: nil,
Handler: webApp.routes(),
TLSConfig: tlsConfig,
IdleTimeout: time.Minute,
ReadTimeout: 5 * time.Second,
WriteTimeout: 10 * time.Second,
}
ncConvertUsers, err := models.ParseConvertUsers("./ncConverter.json")
if err != nil {
logger.Error("Unable to parse the file %s: %s", "dd", err)
}
ncworker.NewScheduler(ncConvertUsers, config)
if 1 == 1 {
return
}
logger.Info("Server started on %s", config.Server.Address)
var errw error
if config.Server.Certificate == "" {
errw = srv.ListenAndServe()
} else {
errw = srv.ListenAndServeTLS(config.Server.Certificate+"cert.pem", config.Server.Certificate+"key.pem")
}
logger.Error("Failed to run the HTTP Server: %s", errw)
}

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cmd/ncDocConverth/middleware.go 100644
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package main
import (
"fmt"
"net/http"
"runtime/debug"
"github.com/justinas/nosurf"
"rpjosh.de/ncDocConverter/pkg/logger"
)
func secureHeaders(next http.Handler) http.Handler {
return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
// Note: This is split across multiple lines for readability. You don't
// need to do this in your own code.
w.Header().Set("Content-Security-Policy",
//"default-src 'self' localhost:*; style-src 'self' fonts.googleapis.com localhost:*; font-src fonts.gstatic.com")
"default-src * 'unsafe-inline' 'unsafe-eval'; script-src * 'unsafe-inline' 'unsafe-eval'; connect-src * 'unsafe-inline'; img-src * data: blob: 'unsafe-inline'; frame-src *; style-src * 'unsafe-inline';")
w.Header().Set("Referrer-Policy", "origin-when-cross-origin")
w.Header().Set("X-Content-Type-Options", "nosniff")
w.Header().Set("X-Frame-Options", "deny")
w.Header().Set("X-XSS-Protection", "0")
next.ServeHTTP(w, r)
})
}
func (app *WebApplication) logRequest(next http.Handler) http.Handler {
return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
logger.Info("%s - %s %s %s", r.RemoteAddr, r.Proto, r.Method, r.URL.RequestURI())
next.ServeHTTP(w, r)
})
}
func (app *WebApplication) recoverPanic(next http.Handler) http.Handler {
return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
// Create a deferred function (which will always be run in the event
// of a panic as Go unwinds the stack).
defer func() {
// Use the builtin recover function to check if there has been a
// panic or not. If there has...
if err := recover(); err != nil {
// Set a "Connection: close" header on the response.
w.Header().Set("Connection", "close")
// Call the app.serverError helper method to return a 500
// Internal Server response.
trace := fmt.Sprintf("%s\n%s", fmt.Errorf("%s", err).Error(), debug.Stack())
logger.Error(trace)
}
}()
next.ServeHTTP(w, r)
})
}
// Create a NoSurf middleware function which uses a customized CSRF cookie with
// the Secure, Path and HttpOnly attributes set.
func noSurf(next http.Handler) http.Handler {
csrfHandler := nosurf.New(next)
csrfHandler.SetBaseCookie(http.Cookie{
HttpOnly: true,
Path: "/",
Secure: true,
})
return csrfHandler
}

20
cmd/ncDocConverth/routes.go 100644
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package main
import (
"net/http"
"github.com/go-chi/chi/v5"
"github.com/go-chi/chi/v5/middleware"
"rpjosh.de/ncDocConverter/internal/api"
)
func (app *WebApplication) routes() http.Handler {
api := api.Api{Logger: app.logger, Config: app.config}
router := chi.NewRouter()
router.Use(middleware.RealIP, app.recoverPanic, app.logRequest, secureHeaders)
api.SetupServer(router)
return router
}

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configs/config.yaml 100644
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server:
# Address to listen on
address: ":4000"
# Path to the folder with the certificates file (cert.pem and key.pem) for using TLS
certificate: "/etc/letsencrypt/live/"
# If this parameter is given, all jobs are executed immediately after starting the program.
# Afterward the program does exit -> The "execution" field in the jobs are going to be ignored
oneShot: false
logging:
# Minimum log Level for printing to the console (debug, info, warning, error, fatal)
printLogLevel: info
# Minimum log level for writing into the log file (debug, info, warning, error, fatal)
writeLogLevel: warning
# File path to log (empty = disabled)
logFilePath: "/home/myUser/logs/ncDocConverter.live"

78
configs/ncConverter.hjson 100644
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{
"nextcloudUsers": [
{
// Nextcloud user and instance to save the converted files
"nextcloudUrl": "https://cloud.rpjosh.de",
"username": "exchange",
"password": "Zj9cQ-eF3n6-R6DSt-8sJXf-kYseJ",
// OnlyOffice (docx, xlsx, ...) convertion to pdf
"jobs": [
{
"jobName": "Convert my books",
"sourceDir": "api/",
"destinationDir": "ebooks/",
// Keep folders of source
// Otherwise all files will be saved in the destination dir
"keepFolders": true,
// If the folder should be searched recursive
"recursive": true,
// Execution date in the cron format
"execution": "45 23 * * 6"
}
],
// Conversion from bookStack to pdf/html
"bookStack": {
"url": "https://wiki.rpjosh.de",
"username": "test@rpjosh.de",
"apiToken": "typCf2LoSQDHicpeeAZQCDZwAq7BvVdl:PcKMZVDrIwEJeKIKyaD7w0cf20JCjpZz",
"jobs": [
{
"jobName": "Convert my favorite books",
// Shelves to filter -> convert only shelves with the names "Work" and "Linux"
// Leave empty to convert books in all shelves
"shelves": [ "Work", "Linux" ],
// Regex to filter after the shelv name
"shelveRegex": "",
// Books to filter (see shelves for more informations)
"books": [],
"booksRegex": "",
// If books which doesn't belong to an shelf should also be converted.
// The will be placed in the root folder.
// Note that the field "shelves" and "shelveRegex" doesn't work as expected
// (Books inside this shelve won't be excluded but will be placed in the root)
"includeBooksWithoutShelve": false,
// Destination folder to save the converted documents in nextcloud
"destinationDir": "ebooks/wiki/",
// Export format (html or pdf)
"format": "html",
// If the books should be saved inside the shelves folder
// Otherwise all files will be saved in the destination dir
"keepStructure": true,
// Execution date in the cron format
"execution": "45 23 * * 6",
// The fetching of books and shelves can be ressource hungry. This value specifies the number
// of jobs that are executed with cached data.
// Note that new or deleted books and shelves won't be converted until the cache counter
// expires. Changes in existing books will still be noted.
// Specify zero to disable the cache
"cache": 3
}
]
}
}
]
}

21
configs/ncConverter.json 100644
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{
"users": [
{
"authUser": "Unique Username (from ",
"nextcloudUrl": "https://cloud.myDomain.de",
"username": "MyUsername",
"password": "App Password",
"jobs": [
{
"jobName": "",
"sourceDir": "Arbeit/",
"destinationDir": "Ebooks/",
"keepFolders": true,
"recursive": true,
"execution": [ "01:00", "15:00" ]
}
]
}
]
}

13
go.mod
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@ -1,3 +1,16 @@
module rpjosh.de/ncDocConverter
go 1.18
require (
github.com/go-chi/chi/v5 v5.0.8 // indirect
github.com/go-co-op/gocron v1.18.0 // indirect
github.com/go-yaml/yaml v2.1.0+incompatible // indirect
github.com/justinas/nosurf v1.1.1 // indirect
github.com/robfig/cron/v3 v3.0.1 // indirect
golang.org/x/sync v0.1.0 // indirect
gopkg.in/yaml.v3 v3.0.1 // indirect
)
// https://zhwt.github.io/yaml-to-go/
// https://www.onlinetool.io/xmltogo/

21
go.sum 100644
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github.com/go-chi/chi/v5 v5.0.7 h1:rDTPXLDHGATaeHvVlLcR4Qe0zftYethFucbjVQ1PxU8=
github.com/go-chi/chi/v5 v5.0.7/go.mod h1:DslCQbL2OYiznFReuXYUmQ2hGd1aDpCnlMNITLSKoi8=
github.com/go-chi/chi/v5 v5.0.8 h1:lD+NLqFcAi1ovnVZpsnObHGW4xb4J8lNmoYVfECH1Y0=
github.com/go-chi/chi/v5 v5.0.8/go.mod h1:DslCQbL2OYiznFReuXYUmQ2hGd1aDpCnlMNITLSKoi8=
github.com/go-co-op/gocron v1.18.0 h1:SxTyJ5xnSN4byCq7b10LmmszFdxQlSQJod8s3gbnXxA=
github.com/go-co-op/gocron v1.18.0/go.mod h1:sD/a0Aadtw5CpflUJ/lpP9Vfdk979Wl1Sg33HPHg0FY=
github.com/go-yaml/yaml v2.1.0+incompatible h1:RYi2hDdss1u4YE7GwixGzWwVo47T8UQwnTLB6vQiq+o=
github.com/go-yaml/yaml v2.1.0+incompatible/go.mod h1:w2MrLa16VYP0jy6N7M5kHaCkaLENm+P+Tv+MfurjSw0=
github.com/justinas/nosurf v1.1.1 h1:92Aw44hjSK4MxJeMSyDa7jwuI9GR2J/JCQiaKvXXSlk=
github.com/justinas/nosurf v1.1.1/go.mod h1:ALpWdSbuNGy2lZWtyXdjkYv4edL23oSEgfBT1gPJ5BQ=
github.com/robfig/cron/v3 v3.0.1 h1:WdRxkvbJztn8LMz/QEvLN5sBU+xKpSqwwUO1Pjr4qDs=
github.com/robfig/cron/v3 v3.0.1/go.mod h1:eQICP3HwyT7UooqI/z+Ov+PtYAWygg1TEWWzGIFLtro=
github.com/studio-b12/gowebdav v0.0.0-20220128162035-c7b1ff8a5e62 h1:b2nJXyPCa9HY7giGM+kYcnQ71m14JnGdQabMPmyt++8=
github.com/studio-b12/gowebdav v0.0.0-20220128162035-c7b1ff8a5e62/go.mod h1:bHA7t77X/QFExdeAnDzK6vKM34kEZAcE1OX4MfiwjkE=
golang.org/x/sync v0.0.0-20210220032951-036812b2e83c h1:5KslGYwFpkhGh+Q16bwMP3cOontH8FOep7tGV86Y7SQ=
golang.org/x/sync v0.0.0-20210220032951-036812b2e83c/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
golang.org/x/sync v0.1.0 h1:wsuoTGHzEhffawBOhz5CYhcrV4IdKZbEyZjBMuTp12o=
golang.org/x/sync v0.1.0/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
gopkg.in/yaml.v3 v3.0.1 h1:fxVm/GzAzEWqLHuvctI91KS9hhNmmWOoWu0XTYJS7CA=
gopkg.in/yaml.v3 v3.0.1/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=

17
internal/api/app.go 100644
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package api
import (
"github.com/go-chi/chi/v5"
"rpjosh.de/ncDocConverter/internal/models"
"rpjosh.de/ncDocConverter/pkg/logger"
)
type Api struct {
Logger *logger.Logger
Config *models.WebConfig
}
func (api *Api) SetupServer(router *chi.Mux) {
api.routes(router)
}

7
internal/api/routes.go 100644
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package api
import "github.com/go-chi/chi/v5"
func (api *Api) routes(router *chi.Mux) {
}

38
internal/models/bookstack.go 100644
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package models
// BookStack details to fetch books from
type BookStack struct {
URL string `json:"url"`
Username string `json:"username"`
Token string `json:"apiToken"`
Jobs []BookStackJob `json:"jobs"`
}
// A concrete BookStacksJob
type BookStackJob struct {
JobName string `json:"jobName"`
DestinationDir string `json:"destinationDir"`
Shelves []string `json:"shelves"`
ShelvesRegex string `json:"shelveRegex"`
Books []string `json:"books"`
BooksRegex string `json:"booksRegex"`
IncludeBooksWithoutShelve bool `json:"includeBooksWithoutShelve"`
Format Format `json:"format"`
KeepStructure bool `json:"keepStructure"`
Recursive string `json:"recursive"`
Execution string `json:"execution"`
CacheCount int `json:"cache"`
}
type Format string
const (
HTML Format = "html"
PDF Format = "pdf"
)

57
internal/models/ncconvert.go 100644
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package models
import (
"encoding/json"
"fmt"
"io/ioutil"
"os"
)
// The root nextcloud user where the files are stored
// and the files for onlyoffice jobs are defined
type NextcloudUser struct {
NextcloudBaseUrl string `json:"nextcloudUrl"`
Username string `json:"username"`
Password string `json:"password"`
// OnlyOffice
ConvertJobs []NcConvertJob `json:"jobs"`
// BookStack
BookStack BookStack `json:"bookStack"`
}
// A OnlyOffice docs convert job
type NcConvertJob struct {
JobName string `json:"jobName"`
SourceDir string `json:"sourceDir"`
DestinationDir string `json:"destinationDir"`
KeepFolders string `json:"keepFolders"`
Recursive string `json:"recursive"`
Execution string `json:"execution"`
}
type NcConvertUsers struct {
Users []NextcloudUser `json:"nextcloudUsers"`
}
// Parses the given file to the in memory struct
func ParseConvertUsers(filePath string) (*NcConvertUsers, error) {
file, err := os.OpenFile(filePath, os.O_APPEND|os.O_CREATE, 0644)
if err != nil {
return nil, fmt.Errorf("failed to open the file '%s': %s", filePath, err)
}
defer file.Close()
byteValue, err := ioutil.ReadAll(file)
if err != nil {
return nil, fmt.Errorf("failed to parse 'ncConverter.json': %s", err)
}
var conv NcConvertUsers
json.Unmarshal(byteValue, &conv)
return &conv, nil
}

95
internal/models/webconfig.go 100644
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package models
import (
"flag"
"os"
yaml "gopkg.in/yaml.v3"
"rpjosh.de/ncDocConverter/pkg/logger"
)
type WebConfig struct {
Server Server `yaml:"server"`
Logging Logging `yaml:"logging"`
}
type Server struct {
Address string `yaml:"address"`
Certificate string `yaml:"certificate"`
OneShot bool `yaml:"oneShot"`
}
type Logging struct {
PrintLogLevel string `yaml:"printLogLevel"`
WriteLogLevel string `yaml:"writeLogLevel"`
LogFilePath string `yaml:"logFilePath"`
}
// Parses the configuration file (.yaml file) to an WebConfiguration
func ParseWebConfig(webConfig *WebConfig, file string) (*WebConfig, error) {
if file == "" {
return webConfig, nil
}
dat, err := os.ReadFile(file)
if err != nil {
return nil, err
}
if err := yaml.Unmarshal(dat, &webConfig); err != nil {
return nil, err
}
return webConfig, nil
}
func getDefaultConfig() *WebConfig {
return &WebConfig{
Server: Server{
Address: ":4000",
},
Logging: Logging{
PrintLogLevel: "info",
WriteLogLevel: "warning",
},
}
}
// Applies the cli and the configuration options from the config files
func SetConfig() (*WebConfig, error) {
configPath := "./config.yaml"
// the path of the configuration file is needed first to determine the "default" values
for i, arg := range os.Args {
if arg == "-config" || arg == "--config" && len(os.Args) > i {
configPath = os.Args[i+1]
break
}
}
webConfig := getDefaultConfig()
webConfig, err := ParseWebConfig(webConfig, configPath)
if err != nil {
logger.Error("Unable to parse the configuration file '%s': %s", configPath, err)
webConfig = getDefaultConfig()
err = nil
}
_ = flag.String("config", "./config.yaml", "Path to the configuration file (see configs/config.yaml) for an example")
address := flag.String("address", webConfig.Server.Address, "Address and port on which the api and the web server should listen to")
printLogLevel := flag.String("printLogLevel", webConfig.Logging.PrintLogLevel, "Minimum log level to log (debug, info, warning, error, fatal)")
oneShot := flag.Bool("oneShot", webConfig.Server.OneShot, "All jobs are executed immediately and the program exists afterwards")
flag.Parse()
webConfig.Server.Address = *address
webConfig.Logging.PrintLogLevel = *printLogLevel
webConfig.Server.OneShot = *oneShot
defaultLogger := logger.Logger{
PrintLevel: logger.GetLevelByName(webConfig.Logging.PrintLogLevel),
LogLevel: logger.GetLevelByName(webConfig.Logging.WriteLogLevel),
LogFilePath: webConfig.Logging.LogFilePath,
PrintSource: true,
}
logger.SetGlobalLogger(&defaultLogger)
return webConfig, err
}

574
internal/ncworker/bookStack.go 100644
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package ncworker
// @TODO delete folders for shelves that doesn't exist anyore
import (
"encoding/json"
"fmt"
"io"
"net/http"
"regexp"
"strings"
"sync"
"time"
"rpjosh.de/ncDocConverter/internal/models"
"rpjosh.de/ncDocConverter/internal/nextcloud"
"rpjosh.de/ncDocConverter/pkg/logger"
"rpjosh.de/ncDocConverter/pkg/utils"
)
type BsJob struct {
job *models.BookStackJob
ncUser *models.NextcloudUser
cacheCount int
cacheBooks map[int]book
cacheShelves []shelf
// If the cache should be usedi n the current execution
useCache bool
}
type shelf struct {
ID int `json:"id"`
Name string `json:"name"`
// This has to be fetched extra
books []int
}
type shelfDetails struct {
ID int `json:"id"`
Name string `json:"name"`
Tags []string `json:"tags"`
Books []struct {
ID int `json:"id"`
Name string `json:"name"`
} `json:"books"`
}
type shelves struct {
Data []shelf `json:"data"`
}
type book struct {
ID int `json:"id"`
Name string `json:"name"`
// This has to be calculated of the latest modify page of a page
lastModified time.Time
// If the book should be ignored to convert
ignore bool
// If the book has been already converted
converted bool
}
type books struct {
Data []book `json:"data"`
}
type bookDetails struct {
ID int `json:"id"`
Name string `json:"name"`
Contents []struct {
ID int `json:"id"`
Name string `json:"name"`
Slug string `json:"slug"`
BookID int `json:"book_id"`
ChapterID int `json:"chapter_id"`
Draft bool `json:"draft"`
Template bool `json:"template"`
UpdatedAt time.Time `json:"updated_at"`
URL string `json:"url"`
Type string `json:"type"`
} `json:"contents"`
Tags []string `json:"tags"`
}
func NewBsJob(job *models.BookStackJob, ncUser *models.NextcloudUser) *BsJob {
bsJob := BsJob{
job: job,
ncUser: ncUser,
}
return &bsJob
}
func (job *BsJob) ExecuteJob() {
// Get all existing files in the destination folder
destination, err := nextcloud.SearchInDirectory(
job.ncUser, job.job.DestinationDir,
[]string{
"text/html",
"application/pdf",
},
)
if err != nil {
logger.Error("Failed to get files in destination directory '%s': %s", job.job.DestinationDir, err)
return
}
// Make a map with path as index
prefix := "/remote.php/dav/files/" + job.ncUser.Username + "/"
destinationMap := nextcloud.ParseSearchResult(destination, prefix, job.job.DestinationDir)
// Check for cache
job.cache()
// Get all shelves
shelves, err := job.getShelves()
if err != nil {
logger.Error("Failed to get shelves: %s", err)
return
}
// Get all books
books, err := job.getBooks()
if err != nil {
logger.Error("Failed to get books: %s", err)
return
}
// Index books by path
indexedBooks := job.getIndexedBooks(shelves, books)
// Cache data
if job.job.CacheCount > 0 && !job.useCache {
job.cacheCount = job.job.CacheCount
job.cacheShelves = *shelves
job.cacheBooks = utils.CopyMap(*books)
}
// Now finally convert the books :)
convertCount := 0
var wg sync.WaitGroup
for i, b := range indexedBooks {
// mark as converted
indexedBooks[i].converted = true
(*books)[b.ID] = *indexedBooks[i]
// check if it has to be converted again (updated) or for the first time
des, exists := destinationMap[i]
if (!exists || b.lastModified.After(des.LastModified)) && !b.ignore {
wg.Add(1)
convertCount++
go func(book book, path string) {
defer wg.Done()
job.convertBook(book, path)
}(*b, i)
} else if b.ignore {
logger.Debug("Duplicate book name: %s", b.Name)
}
// Ignore states that a book with a duplicate name exists → delete the orig also
if !b.ignore {
delete(destinationMap, i)
}
}
wg.Wait()
// Convert remaining books
if job.job.IncludeBooksWithoutShelve {
for _, b := range *books {
// check if it has to be converted again (updated) or for the first time
des, exists := destinationMap[b.Name]
if !b.converted && !b.ignore && (!exists || b.lastModified.After(des.LastModified)) {
wg.Add(1)
convertCount++
go func(book book, path string) {
defer wg.Done()
job.convertBook(book, path)
}(b, b.Name)
}
delete(destinationMap, b.Name)
}
wg.Wait()
}
// Delete the files which are not available anymore
for _, dest := range destinationMap {
err := nextcloud.DeleteFile(job.ncUser, dest.Path)
if err != nil {
logger.Error(utils.FirstCharToUppercase(err.Error()))
}
}
logger.Info("Finished BookStack job \"%s\": %d books converted", job.job.JobName, convertCount)
}
// Checks and initializes the cache
func (job *BsJob) cache() {
if job.job.CacheCount > 0 {
job.cacheCount--
if job.cacheCount < 0 {
job.useCache = false
} else {
job.useCache = true
}
}
}
// Return the relative path of the book to save in nextcloud
func (job *BsJob) getPath(bookName string, shelfName string) string {
if job.job.KeepStructure {
return shelfName + "/" + bookName
} else {
return bookName
}
}
// Gets all shelves
func (job *BsJob) getShelves() (*[]shelf, error) {
if job.useCache {
return &job.cacheShelves, nil
}
client := http.Client{Timeout: 10 * time.Second}
req := job.getRequest(http.MethodGet, "shelves", nil)
// Add shelve filter
q := req.URL.Query()
for _, j := range job.job.Shelves {
q.Add("filter[name:eq]", j)
}
req.URL.RawQuery = q.Encode()
res, err := client.Do(req)
if err != nil {
return nil, err
}
defer res.Body.Close()
if res.StatusCode != 200 {
return nil, fmt.Errorf("expected status code 200, got %d", res.StatusCode)
}
rtc := shelves{}
if err = json.NewDecoder(res.Body).Decode(&rtc); err != nil {
return nil, fmt.Errorf("failed to decode response: %s", err)
}
if job.job.ShelvesRegex != "" {
reg, err := regexp.Compile(job.job.ShelvesRegex)
// This is fatal
logger.Fatal("Failed to parse the regex '%s': %s", job.job.ShelvesRegex, err)
rtc2 := shelves{}
for i, shelve := range rtc.Data {
if reg.Match([]byte(shelve.Name)) {
rtc2.Data = append(rtc2.Data, rtc.Data[i])
} else {
logger.Debug("Ignoring shelve %s", shelve.Name)
}
}
rtc = rtc2
}
return &rtc.Data, nil
}
// Returns the IDs of books which belongs to the shelf
func (job *BsJob) getBooksInShelve(id int) ([]int, error) {
client := http.Client{Timeout: 10 * time.Second}
req := job.getRequest(http.MethodGet, "shelves/"+fmt.Sprintf("%d", id), nil)
res, err := client.Do(req)
if err != nil {
return nil, err
}
defer res.Body.Close()
if res.StatusCode != 200 {
return nil, fmt.Errorf("expected status code 200, got %d", res.StatusCode)
}
shelfDetails := shelfDetails{}
if err = json.NewDecoder(res.Body).Decode(&shelfDetails); err != nil {
return nil, fmt.Errorf("failed to decode response: %s", err)
}
rtc := make([]int, len(shelfDetails.Books))
for i, details := range shelfDetails.Books {
rtc[i] = details.ID
}
return rtc, nil
}
// Indexes the books by the relative path
func (job *BsJob) getIndexedBooks(shelves *[]shelf, books *map[int]book) map[string]*book {
// Now it has to be checked which book belongs to which shelve.
// When cached this was already done
if !job.useCache {
var wg sync.WaitGroup
for i, shelv := range *shelves {
wg.Add(1)
go func(shelf shelf, index int) {
defer wg.Done()
ids, err := job.getBooksInShelve(shelf.ID)
if err != nil {
logger.Error("Failed to get shelf details: %s", err)
} else {
b := make([]int, 0)
for _, id := range ids {
// Check if book should be excluded → it is not contained in the book map
book, exists := (*books)[id]
if exists {
b = append(b, book.ID)
}
}
(*shelves)[index].books = b
}
}(shelv, i)
}
wg.Wait()
}
// A book can have the same name. This would lead to conflicts
// if they are in the same shelve / folder.
// In such a case the ID of the book will be appended to the name "bookName_123".
// Because of that a map indexed by the path will be created and AFTERWARDS the file is converted
indexedBooks := make(map[string]*book)
for _, shelf := range *shelves {
for _, bookId := range shelf.books {
b := (*books)[bookId]
bookPath := job.getPath(b.Name, shelf.Name)
existingBook, doesExists := indexedBooks[bookPath]
if doesExists {
// The book path will be appended
newBookPath := fmt.Sprintf("%s_%d", bookPath, b.ID)
indexedBooks[newBookPath] = &b
// Also add the other book with the ID
otherNewBookPath := fmt.Sprintf("%s_%d", bookPath, existingBook.ID)
indexedBooks[otherNewBookPath] = existingBook
// The original book won't be removed because otherwise a third book with the same
// name will be inserted using its real name.
// But because this is a pointer, a copy is needed
var existingBookCopy book
utils.Copy(existingBook, &existingBookCopy)
existingBookCopy.ignore = true
indexedBooks[bookPath] = &existingBookCopy
} else {
indexedBooks[bookPath] = &b
}
}
// If the structure should be keept, a folder for every shelve has to be created
if job.job.KeepStructure && !job.useCache {
nextcloud.CreateFoldersRecursively(job.ncUser, job.job.DestinationDir+shelf.Name+"/")
}
}
return indexedBooks
}
// Gets all books and returns a map indexed by the ID of the book
func (job *BsJob) getBooks() (*map[int]book, error) {
if job.useCache {
books := utils.CopyMap(job.cacheBooks)
// The last Change date has to be updated even in cache
var wg sync.WaitGroup
var mut = &sync.Mutex{}
for i, b := range books {
wg.Add(1)
go func(book book, index int) {
defer wg.Done()
lastModified, err := job.getLastModifiedOfBook(book.ID)
if err != nil {
logger.Warning("Failed to get last modified date of book %s (%d) - using old date: %s", book.Name, book.ID, err)
return
}
book.lastModified = *lastModified
mut.Lock()
books[index] = book
mut.Unlock()
}(b, i)
}
wg.Wait()
return &books, nil
}
client := http.Client{Timeout: 10 * time.Second}
req := job.getRequest(http.MethodGet, "books", nil)
// Add shelve filter
q := req.URL.Query()
for _, j := range job.job.Books {
q.Add("filter[name:eq]", j)
}
req.URL.RawQuery = q.Encode()
res, err := client.Do(req)
if err != nil {
return nil, err
}
defer res.Body.Close()
if res.StatusCode != 200 {
return nil, fmt.Errorf("expected status code 200, got %d", res.StatusCode)
}
booksArray := books{}
if err = json.NewDecoder(res.Body).Decode(&booksArray); err != nil {
return nil, fmt.Errorf("failed to decode response: %s", err)
}
if job.job.BooksRegex != "" {
reg, err := regexp.Compile(job.job.BooksRegex)
// This is fatal
logger.Fatal("Failed to parse the regex '%s': %s", job.job.BooksRegex, err)
booksArray2 := books{}
for i, book := range booksArray.Data {
if reg.Match([]byte(book.Name)) {
booksArray2.Data = append(booksArray2.Data, booksArray.Data[i])
} else {
logger.Debug("Ignoring shelve %s", book.Name)
}
}
booksArray = booksArray2
}
// Create indexed map
rtc := make(map[int]book)
var wg sync.WaitGroup
var mut = &sync.Mutex{}
for _, b := range booksArray.Data {
wg.Add(1)
go func(b book) {
defer wg.Done()
lastModified, err := job.getLastModifiedOfBook(b.ID)
if err != nil {
logger.Warning("Failed to get last modified date of book %s (%d) - skipping: %s", b.Name, b.ID, err)
return
}
if lastModified.Unix() == 0 {
logger.Info("Skipping book %s (%d) because of no content", b.Name, b.ID)
return
}
mut.Lock()
rtc[b.ID] = book{
ID: b.ID,
Name: b.Name,
lastModified: *lastModified,
}
mut.Unlock()
}(b)
}
wg.Wait()
return &rtc, nil
}
// Returns the last modified time of a book
func (job *BsJob) getLastModifiedOfBook(id int) (*time.Time, error) {
client := http.Client{Timeout: 10 * time.Second}
req := job.getRequest(http.MethodGet, "books/"+fmt.Sprintf("%d", id), nil)
res, err := client.Do(req)
if err != nil {
return nil, err
}
defer res.Body.Close()
if res.StatusCode != 200 {
return nil, fmt.Errorf("expected status code 200, got %d", res.StatusCode)
}
bd := bookDetails{}
if err = json.NewDecoder(res.Body).Decode(&bd); err != nil {
return nil, fmt.Errorf("failed to decode response: %s", err)
}
lastMod := time.Unix(0, 0)
for i, content := range bd.Contents {
if content.Template || content.Draft {
continue
}
if content.UpdatedAt.After(lastMod) {
lastMod = bd.Contents[i].UpdatedAt
}
}
return &lastMod, nil
}
// Returns a new request to the bookStack API.
// The path beginning AFTER /api/ should be given (e.g.: shelves)
func (job *BsJob) getRequest(method string, path string, body io.Reader) *http.Request {
req, err := http.NewRequest(method, job.ncUser.BookStack.URL+"/api/"+path, body)
if err != nil {
logger.Error("%s", err)
}
req.Header.Set("Authorization", "Token "+job.ncUser.BookStack.Token)
return req
}
// Converts the given book and uploads it to nextcloud.
// The path is being expected relative to the root dir of the jobs directory and does
// not contain a file extension
func (job *BsJob) convertBook(book book, path string) {
fileExtension, url := job.getFileExtension()
client := http.Client{Timeout: 10 * time.Second}
req := job.getRequest(http.MethodGet, fmt.Sprintf("books/%d/export/%s", book.ID, url), nil)
res, err := client.Do(req)
if err != nil {
logger.Error("Failed to convert book: %s", err)
}
defer res.Body.Close()
if res.StatusCode != 200 {
logger.Error("Failed to convert book: expected status code 200, got %d", res.StatusCode)
return
}
err = nextcloud.UploadFile(job.ncUser, job.job.DestinationDir+path+fileExtension, res.Body)
if err != nil {
logger.Error("Failed to upload book to nextcloud: %s", err)
}
}
func (job *BsJob) getFileExtension() (fileExtension string, url string) {
switch strings.ToLower(string(job.job.Format)) {
case "html":
{
fileExtension = ".html"
url = "html"
}
case "pdf":
{
fileExtension = ".pdf"
url = "pdf"
}
default:
{
logger.Fatal("Invalid format given: '%s'. Expected 'html' or 'pdf'", job.job.Format)
}
}
return
}

114
internal/ncworker/convertscheduler.go 100644
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@ -0,0 +1,114 @@
package ncworker
import (
"bufio"
"fmt"
"os"
"strings"
"sync"
"time"
"github.com/go-co-op/gocron"
"rpjosh.de/ncDocConverter/internal/models"
"rpjosh.de/ncDocConverter/pkg/logger"
)
type NcConvertScheduler struct {
users *models.NcConvertUsers
config *models.WebConfig
scheduler *gocron.Scheduler
}
func NewScheduler(users *models.NcConvertUsers, config *models.WebConfig) *NcConvertScheduler {
scheduler := NcConvertScheduler{
users: users,
config: config,
scheduler: gocron.NewScheduler(time.Local),
}
// Don't reschedule a task if it's still running
scheduler.scheduler.SingletonMode()
scheduler.scheduler.StartAsync()
if config.Server.OneShot {
scheduler.ScheduleExecutionsOneShot()
} else {
scheduler.ScheduleExecutions()
fmt.Println("Started in schedule mode.\nType \"exit\" to leave or \"execute\" to execute all jobs")
// Endless loop
for {
reader := bufio.NewReader(os.Stdin)
text, err := reader.ReadString('\n')
if err != nil {
// No console input
var wg sync.WaitGroup
logger.Debug("No console available")
wg.Add(1)
wg.Wait()
}
input := strings.Trim(strings.ToLower(text), "\n")
if input == "exit" {
break
} else if input == "execute" {
scheduler.scheduler.RunAll()
}
}
}
return &scheduler
}
// Executes all jobs and exits the program afterwards
func (scheduler NcConvertScheduler) ScheduleExecutionsOneShot() {
for _, user := range scheduler.users.Users {
// Schedule Nextcloud jobs
for _, job := range user.ConvertJobs {
convJob := NewNcJob(&job, &user)
convJob.ExecuteJob()
}
// Schedule boockstack jobs
if user.BookStack.URL != "" {
for _, job := range user.BookStack.Jobs {
bsJob := NewBsJob(&job, &user)
bsJob.ExecuteJob()
}
}
}
}
// Schedules all jobs with gocron
func (s NcConvertScheduler) ScheduleExecutions() {
for ui, user := range s.users.Users {
// Schedule Nextcloud jobs
for i, job := range user.ConvertJobs {
convJob := NewNcJob(&s.users.Users[ui].ConvertJobs[i], &s.users.Users[i])
_, err := s.scheduler.Cron(job.Execution).DoWithJobDetails(s.executeJob, convJob)
if err != nil {
logger.Fatal("Failed to schedule office job '%s': %s", job.JobName, err)
}
}
// Schedule boockstack jobs
if user.BookStack.URL != "" {
for i, job := range user.BookStack.Jobs {
bsJob := NewBsJob(&s.users.Users[ui].BookStack.Jobs[i], &s.users.Users[i])
_, err := s.scheduler.Cron(job.Execution).DoWithJobDetails(s.executeJob, bsJob)
if err != nil {
logger.Fatal("Failed to schedule BookStack job '%s': %s", job.JobName, err)
}
}
}
}
}
func (s NcConvertScheduler) executeJob(job Job, scheduledJob gocron.Job) {
job.ExecuteJob()
}

5
internal/ncworker/job.go 100644
View File

@ -0,0 +1,5 @@
package ncworker
type Job interface {
ExecuteJob()
}

206
internal/ncworker/office.go 100644
View File

@ -0,0 +1,206 @@
package ncworker
import (
"fmt"
"io"
"net/http"
"path/filepath"
"strings"
"sync"
"time"
"rpjosh.de/ncDocConverter/internal/models"
"rpjosh.de/ncDocConverter/internal/nextcloud"
"rpjosh.de/ncDocConverter/pkg/logger"
"rpjosh.de/ncDocConverter/pkg/utils"
)
type convertJob struct {
job *models.NcConvertJob
ncUser *models.NextcloudUser
}
type convertQueu struct {
source nextcloud.NcFile
destination string
}
func NewNcJob(job *models.NcConvertJob, ncUser *models.NextcloudUser) *convertJob {
convJob := &convertJob{
job: job,
ncUser: ncUser,
}
return convJob
}
func (job *convertJob) ExecuteJob() {
// Get existing directory contents
sourceFolder, err := nextcloud.SearchInDirectory(
job.ncUser,
job.job.SourceDir,
[]string{
"application/vnd.openxmlformats-officedocument.wordprocessingml.document",
"application/msword",
},
)
if err != nil {
logger.Error("Failed to get files in source directory '%s': %s", job.job.SourceDir, err)
return
}
destinationFolder, err := nextcloud.SearchInDirectory(
job.ncUser,
job.job.DestinationDir,
[]string{
"application/pdf",
},
)
if err != nil {
logger.Error("Failed to get files in destination directory '%s': %s", job.job.DestinationDir, err)
return
}
// Store all files in a map
prefix := "/remote.php/dav/files/" + job.ncUser.Username + "/"
sourceMap := nextcloud.ParseSearchResult(sourceFolder, prefix, job.job.SourceDir)
destinationMap := nextcloud.ParseSearchResult(destinationFolder, prefix, job.job.DestinationDir)
// check which files should be converted
var filesToConvert []convertQueu
var directorys []string
for index, source := range sourceMap {
// Check if the file exists in the destination map
if dest, exists := destinationMap[index]; exists {
// Compare timestamp and size
if dest.LastModified.Before(source.LastModified) {
filesToConvert = append(filesToConvert, convertQueu{source: source, destination: dest.Path})
}
delete(destinationMap, index)
} else {
// the directory could not be existing -> check for existance
destinationDir := job.getDestinationDir(source.Path)
appendIfNotExists(&directorys, destinationDir[0:strings.LastIndex(destinationDir, "/")+1])
filesToConvert = append(filesToConvert, convertQueu{source: source, destination: destinationDir})
delete(destinationMap, index)
}
}
var wg sync.WaitGroup
// Delete the files which are not available anymore
wg.Add(len(destinationMap))
for _, dest := range destinationMap {
go func(file *nextcloud.NcFile) {
err := nextcloud.DeleteFile(job.ncUser, dest.Path)
if err != nil {
logger.Error(utils.FirstCharToUppercase(err.Error()))
}
wg.Done()
}(&dest)
}
wg.Wait()
// Create required directorys
wg.Add(len(directorys))
for _, dest := range directorys {
go func(path string) {
nextcloud.CreateFoldersRecursively(job.ncUser, path)
wg.Done()
}(dest)
}
wg.Wait()
// Convert the files
wg.Add(len(filesToConvert))
for _, file := range filesToConvert {
logger.Info("Path: %s", file.source.Path)
go func(cvt convertQueu) {
job.convertFile(cvt.source.Path, cvt.source.Fileid, cvt.destination)
wg.Done()
}(file)
}
wg.Wait()
logger.Info("Finished Nextcloud job \"%s\": %d documents converted", job.job.JobName, len(filesToConvert))
}
// Appends the directory to the array if it isn't contained
// by another element already
func appendIfNotExists(dirs *[]string, directory string) {
directoryLength := len(directory)
for i, currentDir := range *dirs {
currentLength := len(currentDir)
// the existing directory is already referenced in the current
if directoryLength > currentLength && directory[0:currentLength] == currentDir {
(*dirs)[i] = directory
continue
} else if directoryLength <= currentLength && currentDir[0:directoryLength] == directory {
continue
}
}
*dirs = append(*dirs, directory)
}
func (job *convertJob) getDestinationDir(sourceFile string) string {
sourceFile = sourceFile[len(job.job.SourceDir):]
var extension = filepath.Ext(sourceFile)
var name = sourceFile[0 : len(sourceFile)-len(extension)]
return job.job.DestinationDir + name + ".pdf"
}
// Converts the source file to the destination file utilizing the onlyoffice convert api
func (job *convertJob) convertFile(sourceFile string, sourceid int, destinationFile string) {
logger.Debug("Converting %s (%d) to %s", sourceFile, sourceid, destinationFile)
client := http.Client{Timeout: 10 * time.Second}
req, err := http.NewRequest(http.MethodGet, job.ncUser.NextcloudBaseUrl+"/apps/onlyoffice/downloadas", nil)
if err != nil {
logger.Error("%s", err)
}
req.SetBasicAuth(job.ncUser.Username, job.ncUser.Password)
q := req.URL.Query()
q.Add("fileId", fmt.Sprint(sourceid))
q.Add("toExtension", "pdf")
req.URL.RawQuery = q.Encode()
res, err := client.Do(req)
if err != nil {
logger.Error("Failed to access the convert api: %s", err)
return
}
defer res.Body.Close()
if res.StatusCode != 200 {
body, _ := io.ReadAll(res.Body)
logger.Error("Failed to access the convert api (#%d). Do you have OnlyOffice installed?: %s", res.StatusCode, body)
return
}
uploadClient := http.Client{Timeout: 10 * time.Second}
uploadReq, err := http.NewRequest(http.MethodPut, job.ncUser.NextcloudBaseUrl+"/remote.php/dav/files/"+job.ncUser.Username+"/"+destinationFile, res.Body)
if err != nil {
logger.Error("%s", err)
}
uploadReq.SetBasicAuth(job.ncUser.Username, job.ncUser.Password)
uploadReq.Header.Set("Content-Type", "application/binary")
res, err = uploadClient.Do(uploadReq)
if err != nil {
logger.Error("%s", err)
}
if res.StatusCode != 204 && res.StatusCode != 201 {
logger.Error("Failed to create file %s (#%d)", destinationFile, res.StatusCode)
}
// Status Code 201
res.Body.Close()
}

238
internal/nextcloud/nextcloud.go 100644
View File

@ -0,0 +1,238 @@
package nextcloud
import (
"bytes"
"encoding/xml"
"fmt"
"io"
"net/http"
"net/url"
"path/filepath"
"strconv"
"strings"
"text/template"
"time"
"rpjosh.de/ncDocConverter/internal/models"
"rpjosh.de/ncDocConverter/pkg/logger"
"rpjosh.de/ncDocConverter/web"
)
// The internal representation of a nextcloud file
type NcFile struct {
// File extension: txt
Extension string
// Relative path of the file to the nextcloud root: /folder/file.txt
Path string
LastModified time.Time
ContentType string
// Size in Bytes
Size int
// The unique file ID of the nextcloud server
Fileid int
// The Webdav URL for file reference
WebdavURL string
}
type searchTemplateData struct {
Username string
Directory string
ContentType []string
}
type searchResult struct {
XMLName xml.Name `xml:"multistatus"`
Text string `xml:",chardata"`
D string `xml:"d,attr"`
S string `xml:"s,attr"`
Oc string `xml:"oc,attr"`
Nc string `xml:"nc,attr"`
Response []searchResultResponse `xml:"response"`
}
type searchResultResponse struct {
Text string `xml:",chardata"`
Href string `xml:"href"`
Propstat struct {
Text string `xml:",chardata"`
Prop struct {
Text string `xml:",chardata"`
Getcontenttype string `xml:"getcontenttype"`
Getlastmodified string `xml:"getlastmodified"`
Size string `xml:"size"`
Fileid int `xml:"fileid"`
} `xml:"prop"`
Status string `xml:"status"`
} `xml:"propstat"`
}
func (r *searchResultResponse) GetLastModified() time.Time {
// Time format: Fri, 23 Sep 2022 05:46:31 GMT
rtc, err := time.Parse("Mon, 02 Jan 2006 15:04:05 GMT", r.Propstat.Prop.Getlastmodified)
if err != nil {
logger.Warning("%s", err)
rtc = time.Unix(0, 1)
}
return rtc
}
// Returns a new request to the Nexcloud API.
// The path beginning AFTER /dav/ should be given (e.g.: myUser/folder/file.txt)
func getRequest(method string, path string, body io.Reader, ncUser *models.NextcloudUser) *http.Request {
req, err := http.NewRequest(method, ncUser.NextcloudBaseUrl+"/remote.php/dav/"+path, body)
if err != nil {
logger.Error("%s", err)
}
req.SetBasicAuth(ncUser.Username, ncUser.Password)
return req
}
// Searches for all files of the given content type starting in the given directory.
func SearchInDirectory(ncUser *models.NextcloudUser, directory string, contentType []string) (*searchResult, error) {
client := http.Client{Timeout: 5 * time.Second}
template, err := template.ParseFS(web.ApiTemplateFiles, "apitemplate/ncsearch.tmpl.xml")
if err != nil {
return nil, err
}
var buf bytes.Buffer
templateData := searchTemplateData{
Username: ncUser.Username,
Directory: directory,
ContentType: contentType,
}
if err = template.Execute(&buf, templateData); err != nil {
return nil, err
}
// Status code 207
req := getRequest("SEARCH", "", &buf, ncUser)
req.Header.Set("Content-Type", "application/xml")
res, err := client.Do(req)
if err != nil {
return nil, err
}
// Decody body first before checking status code to print in error message
defer res.Body.Close()
resBody, err := io.ReadAll(res.Body)
if err != nil {
return nil, err
}
// Create folder if not existing
if res.StatusCode == 404 {
logger.Info("Creating directory '%s' because it does not exist", "/"+directory)
CreateFoldersRecursively(ncUser, "/"+directory+"notExisting.pdf")
return &searchResult{}, nil
}
if res.StatusCode != 207 {
return nil, fmt.Errorf("status code %d: %s", res.StatusCode, resBody)
}
var result searchResult
if err = xml.Unmarshal(resBody, &result); err != nil {
return nil, err
}
return &result, nil
}
// Parses the response from the given search format to an NcFile.
// A map with the relative path based on the source Directory ("someFolder/file.txt")
// and the mathing NcFile will be returned. Therefore, also the source Directory has to be given.
//
// To determine the path without the prefix "/remote.php/dav/user/" it has to be given.
func ParseSearchResult(result *searchResult, prefix string, sourceDir string) map[string]NcFile {
preCount := len(prefix)
rtc := make(map[string]NcFile)
for _, file := range result.Response {
href, _ := url.QueryUnescape(file.Href)
path := href[preCount:]
var extension = filepath.Ext(path)
var name = path[0 : len(path)-len(extension)][len(sourceDir):]
time := file.GetLastModified()
size, err := strconv.Atoi(file.Propstat.Prop.Size)
if err != nil {
logger.Error("Failed to parse the file size '%s' to an integer: %s", file.Propstat.Prop.Size, err)
continue
}
rtc[name] = NcFile{
Extension: extension,
Path: path,
LastModified: time,
Size: size,
ContentType: file.Propstat.Prop.Getcontenttype,
Fileid: file.Propstat.Prop.Fileid,
WebdavURL: file.Href,
}
}
return rtc
}
// Delets a file with the given path.
// The path has to start at the root level: Ebook/myFolder/file.txt
func DeleteFile(ncUser *models.NextcloudUser, filePath string) error {
client := http.Client{Timeout: 5 * time.Second}
req := getRequest(http.MethodDelete, "files/"+ncUser.Username+"/"+filePath, nil, ncUser)
res, err := client.Do(req)
if err != nil {
logger.Error("%s", err)
}
if res.StatusCode != 204 {
return fmt.Errorf("failed to delete file %s (%d)", filePath, res.StatusCode)
}
return nil
}
// Creates all required directorys to create the destination file recursively.
// The path should be relative to the root: ebook/folder1/folder2/file.txt
func CreateFoldersRecursively(ncUser *models.NextcloudUser, destinationFile string) {
s := strings.Split(destinationFile, "/")
folderTree := ""
// Webdav doesn't have a function to create directories recursively → iterate
for _, folder := range s[:len(s)-1] {
folderTree += folder + "/"
client := http.Client{Timeout: 5 * time.Second}
req := getRequest("MKCOL", "files/"+ncUser.Username+"/"+folderTree, nil, ncUser)
res, err := client.Do(req)
if err != nil {
logger.Error("%s", err)
}
if res.StatusCode != 201 && res.StatusCode != 405 {
logger.Error("Failed to create directory '%s'", folderTree)
}
}
}
// Uploads a file to the nextcloud server.
// It will be saved to the destination as a relative path to the nextcloud root (ebook/file.txt).
func UploadFile(ncUser *models.NextcloudUser, destination string, content io.ReadCloser) error {
client := http.Client{Timeout: 5 * time.Second}
req := getRequest(http.MethodPut, "files/"+ncUser.Username+"/"+destination, content, ncUser)
res, err := client.Do(req)
if err != nil {
return err
}
if res.StatusCode != 201 && res.StatusCode != 204 {
return fmt.Errorf("expected status code 201 or 204 but got %d", res.StatusCode)
}
return nil
}

22
main.go
View File

@ -1,22 +0,0 @@
package main
import (
"rpjosh.de/ncDocConverter/logger"
)
func init() {
defaultLogger := logger.Logger {
PrintLevel: 0,
LogLevel: 1,
LogFilePath: "log.log",
PrintSource: true,
}
logger.SetGlobalLogger(&defaultLogger)
}
func main() {
defer logger.CloseFile()
}

89
logger/logger.go → pkg/logger/logger.go
View File

@ -3,15 +3,16 @@ package logger
import (
"fmt"
"log"
"os"
"runtime"
"strconv"
"strings"
"time"
"os"
)
// define available log levels
// Level of the log message
type Level uint8
const (
LevelDebug Level = iota
LevelInfo
@ -35,8 +36,7 @@ type Logger struct {
var dLogger Logger
func init() {
dLogger = Logger {
dLogger = Logger{
PrintLevel: LevelDebug,
LogLevel: LevelInfo,
LogFilePath: "",
@ -52,45 +52,50 @@ func (l Logger) Log(level Level, message string, parameters ...any) {
}
func (l Logger) log(level Level, message string, parameters ...any) {
pc, file, line, ok := runtime.Caller(2)
if (!ok) {
pc, file, line, ok := runtime.Caller(3)
if !ok {
file = "#unknown"
line = 0
}
// get the name of the level
var levelName string
switch (level) {
case LevelDebug: levelName = "DEBUG"
case LevelInfo: levelName = "INFO "
case LevelWarning: levelName = "WARN "
case LevelError: levelName = "ERROR"
case LevelFatal: levelName = "FATAL"
switch level {
case LevelDebug:
levelName = "DEBUG"
case LevelInfo:
levelName = "INFO "
case LevelWarning:
levelName = "WARN "
case LevelError:
levelName = "ERROR"
case LevelFatal:
levelName = "FATAL"
}
if (levelName == "") {
if levelName == "" {
message = fmt.Sprintf("Invalid level value given: %d. Original message: ", level) + message
levelName = "WARN "
level = LevelWarning
}
printMessage := "[" + levelName + "] " + time.Now().UTC().Format("2006-01-02 03:04:05") +
printMessage := "[" + levelName + "] " + time.Now().Local().Format("2006-01-02 15:04:05") +
getSourceMessage(file, line, pc, l) +
fmt.Sprintf(message, parameters...)
if (l.LogLevel <= level && l.fileLogger != nil) {
if l.LogLevel <= level && l.fileLogger != nil {
l.fileLogger.Println(printMessage)
l.logFile.Sync()
if (level == LevelFatal) {
if level == LevelFatal {
l.CloseFile()
}
}
if (l.PrintLevel <= level) {
if (level == LevelError) {
if l.PrintLevel <= level {
if level == LevelError {
l.consoleLoggerErr.Println(printMessage)
} else if (level == LevelFatal) {
} else if level == LevelFatal {
l.consoleLoggerErr.Fatal(printMessage)
} else {
l.consoleLogger.Println(printMessage)
@ -99,8 +104,8 @@ func (l Logger) log(level Level, message string, parameters ...any) {
}
func getSourceMessage(file string, line int, pc uintptr, l Logger) (string) {
if (!l.PrintSource) {
func getSourceMessage(file string, line int, pc uintptr, l Logger) string {
if !l.PrintSource {
return " - "
}
@ -110,10 +115,11 @@ func getSourceMessage(file string, line int, pc uintptr, l Logger) (string) {
}
func (l *Logger) setup() {
// log.Ldate|log.Ltime|log.Lshortfile
l.consoleLogger = log.New(os.Stdout, "", 0)
l.consoleLoggerErr = log.New(os.Stderr, "", 0)
if (l.LogFilePath != "") {
if strings.TrimSpace(l.LogFilePath) != "" {
file, err := os.OpenFile(l.LogFilePath, os.O_APPEND|os.O_CREATE|os.O_WRONLY, 0644)
if err == nil {
l.fileLogger = log.New(file, "", 0)
@ -123,7 +129,7 @@ func (l *Logger) setup() {
}
} else {
l.fileLogger = nil
if (l.logFile != nil) {
if l.logFile != nil {
l.logFile.Close()
l.logFile = nil
}
@ -131,18 +137,20 @@ func (l *Logger) setup() {
}
func (l *Logger) CloseFile() {
if (dLogger.logFile != nil) {
dLogger.logFile.Close()
dLogger.logFile = nil
dLogger.fileLogger = nil
if l.logFile != nil {
l.logFile.Close()
l.logFile = nil
l.fileLogger = nil
}
}
func SetGlobalLogger(l *Logger) {
dLogger = *l
dLogger.setup()
}
func GetGlobalLogger() *Logger {
return &dLogger
}
func Debug(message string, parameters ...any) {
dLogger.Log(LevelDebug, message, parameters...)
@ -163,3 +171,28 @@ func Fatal(message string, parameters ...any) {
func CloseFile() {
dLogger.CloseFile()
}
// Tries to convert the given level name to the corresponding level code.
// Allowed values are: 'debug', 'info', 'warn', 'warning', 'error', 'panic' and 'fatal'
// If an incorrect level name was given an warning is logged and info will be returned
func GetLevelByName(levelName string) Level {
levelName = strings.ToLower(levelName)
switch levelName {
case "debug":
return LevelDebug
case "info":
return LevelInfo
case "warn", "warning":
return LevelWarning
case "error":
return LevelError
case "panic", "fatal":
return LevelFatal
default:
{
Warning("Unable to parse the level name '%s'. Expected 'debug', 'info', 'warn', 'error' or 'fatal'", levelName)
return LevelInfo
}
}
}

38
pkg/utils/utils.go 100644
View File

@ -0,0 +1,38 @@
package utils
import (
"reflect"
"unicode"
)
// Makes the first character of the given string to uppercase
func FirstCharToUppercase(text string) string {
a := []rune(text)
a[0] = unicode.ToLower(a[0])
return string(a)
}
// Copys a map. The structs are also cloned
func CopyMap[T comparable, Val any](m map[T]Val) map[T]Val {
cp := make(map[T]Val)
for k, v := range m {
var u Val
Copy(&v, &u)
cp[k] = u
}
return cp
}
// Copies a struct
func Copy(source interface{}, destin interface{}) {
x := reflect.ValueOf(source)
if reflect.ValueOf(destin).Kind() != reflect.Ptr {
return
}
if x.Kind() == reflect.Ptr {
reflect.ValueOf(destin).Elem().Set(x.Elem())
} else {
reflect.ValueOf(destin).Elem().Set(x)
}
}

15
scripts/run.cmd 100644
View File

@ -0,0 +1,15 @@
@ECHO OFF
:: Bypass the "Terminate Batch Job" prompt
if "%~1"=="-FIXED_CTRL_C" (
:: Remove the -FIXED_CTRL_C parameter
SHIFT
) ELSE (
:: Run the batch with <NUL and -FIXED_CTRL_C
CALL <NUL %0 -FIXED_CTRL_C %*
GOTO :EOF
)
SET PATH=%PATH%;C:\Windows\System32
set GOTMPDIR=C:\MYCOMP
nodemon --delay 1s -e go,html --ignore web/app/ --signal SIGKILL --exec go run ./cmd/ncDocConverth || exit 1

3
scripts/run.sh 100755
View File

@ -0,0 +1,3 @@
#!/bin/sh
nodemon --delay 1s -e go,html,yaml --ignore web/app/ --signal SIGTERM --exec 'go run ./cmd/ncDocConverth || exit 1'

40
web/apitemplate/ncsearch.tmpl.xml 100644
View File

@ -0,0 +1,40 @@
<?xml version="1.0" encoding="UTF-8"?>
<d:searchrequest xmlns:d="DAV:" xmlns:oc="http://owncloud.org/ns">
<d:basicsearch>
<d:select>
<d:prop>
<d:getcontenttype/>
<d:getlastmodified/>
<oc:size/>
<oc:fileid/>
</d:prop>
</d:select>
<d:from>
<d:scope>
<d:href>/files/{{.Username}}/{{.Directory}}</d:href>
<d:depth></d:depth>
</d:scope>
</d:from>
<d:where>
<d:and>
<d:or>
{{range .ContentType}}
<d:eq>
<d:prop>
<d:getcontenttype/>
</d:prop>
<d:literal>{{ . }}</d:literal>
</d:eq>
{{end}}
</d:or>
<d:gt>
<d:prop>
<oc:size/>
</d:prop>
<d:literal>100</d:literal>
</d:gt>
</d:and>
</d:where>
<d:orderby/>
</d:basicsearch>
</d:searchrequest>

8
web/efs.go 100644
View File

@ -0,0 +1,8 @@
package web
import (
"embed"
)
//go:embed "apitemplate"
var ApiTemplateFiles embed.FS