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package main
import (
"encoding/json"
"errors"
"fmt"
"github.com/mewbak/gopass"
"io/ioutil"
"log"
"net/http"
"os"
"path"
"strings"
"time"
)
var (
UserName string
Password string
LeanoteUrl = "https://leanote.com"
UserId string
Token string
DirRoot = "."
)
const UserAgent = `Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_4) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/81.0.4044.138 Safari/537.36`
type querystring struct {
key string
value string
}
func httpClientDo(req *http.Request) ([]byte, error) {
//fmt.Printf("%s\n",req.URL.String())
client := http.DefaultClient
client.Timeout = time.Second * 10
resp, ReqErr := client.Do(req)
if ReqErr != nil {
return nil, ReqErr
}
if resp.StatusCode != 200 {
log.Println(resp.StatusCode)
return nil, errors.New("Respones is not 200")
}
defer resp.Body.Close()
return ioutil.ReadAll(resp.Body)
}
func Login() (ApiResponse, error) {
var ret ApiResponse
url := fmt.Sprintf("%s/api/auth/login", LeanoteUrl)
req, err := http.NewRequest("GET", url, nil)
query := req.URL.Query()
query.Add("email", UserName)
query.Add("pwd", Password)
req.URL.RawQuery = query.Encode()
req.Header.Set("User-Agent", UserAgent)
if err != nil {
return ApiResponse{}, err
}
if body, ok := httpClientDo(req); ok == nil {
//fmt.Println(string(body))
if err := json.Unmarshal(body, &ret); err != nil {
panic(err)
}
return ret, nil
} else {
return ApiResponse{}, ok
}
}
func Logout(user *ApiResponse) bool {
var ret ApiResponse
url := fmt.Sprintf("%s/api/auth/logout", LeanoteUrl)
req, err := http.NewRequest("GET", url, nil)
if err != nil {
return false
}
query := req.URL.Query()
query.Add("token", user.Token)
req.URL.RawQuery = query.Encode()
req.Header.Set("User-Agent", UserAgent)
if body, ok := httpClientDo(req); ok == nil {
if err := json.Unmarshal(body, &ret); err != nil {
panic(err)
}
}
if ret.Ok {
fmt.Printf("bye bye! %s\n", user.UserName)
return true
}
return false
}
func AuthGetRequest(url string, q ...querystring) *http.Request {
req, ReqErr := http.NewRequest("GET", url, nil)
if ReqErr != nil {
panic(ReqErr)
}
query := req.URL.Query()
query.Add("userId", UserId)
query.Add("token", Token)
req.Header.Set("User-Agent", UserAgent)
for _, v := range q {
query.Add(v.key, v.value)
}
req.URL.RawQuery = query.Encode()
return req
}
func GetAllNoteBook() []Notebook {
var (
errResp ApiResponse
noteBooks []Notebook
)
api := fmt.Sprintf("%s/api/notebook/getNotebooks", LeanoteUrl)
req := AuthGetRequest(api)
body, readErr := httpClientDo(req)
if readErr != nil {
panic(readErr)
}
if err := json.Unmarshal(body, ¬eBooks); err != nil {
json.Unmarshal(body, &errResp)
}
return noteBooks
}
func hasNote(notebookId string) ([]Note, bool) {
var (
noteList []Note
errResp ApiResponse
)
api := fmt.Sprintf("%s/api/note/getNotes", LeanoteUrl)
req := AuthGetRequest(api, querystring{
key: "notebookId",
value: notebookId,
})
body, GetErr := httpClientDo(req)
if GetErr != nil {
panic(GetErr)
}
err := json.Unmarshal(body, ¬eList)
if err != nil {
json.Unmarshal(body, &errResp)
log.Println(errResp.Msg)
return nil, false
}
return noteList, true
}
func GetNoteContent(noteId string) (Note, error) {
var (
n Note
errResp ApiResponse
)
api := fmt.Sprintf("%s/api/note/getNoteAndContent", LeanoteUrl)
req := AuthGetRequest(api, querystring{
key: "noteId",
value: noteId,
})
body, GetErr := httpClientDo(req)
if GetErr != nil {
panic(GetErr)
}
if err := json.Unmarshal(body, &n); err != nil {
json.Unmarshal(body, errResp)
log.Fatalln(errResp.Msg)
}
if n.IsTrash {
return Note{}, errors.New("delete!!")
}
return n, nil
}
func GetImage(fileId string) ([]byte, error) {
api := fmt.Sprintf("%s/api/file/getImage", LeanoteUrl)
req := AuthGetRequest(api, querystring{
key: "fileId",
value: fileId,
})
return httpClientDo(req)
}
func GetAttach(fileId string) ([]byte, error) {
api := fmt.Sprintf("%s/api/file/getAttach", LeanoteUrl)
req := AuthGetRequest(api, querystring{
key: "fileId",
value: fileId,
})
return httpClientDo(req)
}
func MakeDirTrees(books []Notebook) []*Book {
var (
roots []*Book
childs []*Book
)
// filter list
for _, value := range books {
if value.ParentNotebookId == "" {
roots = append(roots, &Book{
Id: value.NotebookId,
Title: value.Title,
ParentId: "",
})
} else {
childs = append(childs, &Book{
Id: value.NotebookId,
Title: value.Title,
ParentId: value.ParentNotebookId,
})
}
}
for _, v := range roots {
MakeTree(childs, v)
}
return roots
}
func Write(b []byte, p string) error {
f, e := os.OpenFile(p, os.O_TRUNC|os.O_CREATE|os.O_WRONLY, 0755)
if e != nil {
return e
}
_, wErr := f.Write(b)
return wErr
}
func Writefile(p string, n Note) error {
var (
abs string
content string
attachPath string
)
if n.IsMarkdown {
abs = path.Join(p, n.Title+".md")
} else {
abs = path.Join(p, n.Title+".txt")
}
content = n.Content
if len(n.Files) > 0 {
for _, v := range n.Files {
if v.IsAttach {
b, e := GetAttach(v.FileId)
if e != nil {
return e
}
attachdir:= path.Join(p,"attach")
os.MkdirAll(attachdir,0755)
filename := v.Title
if filename == "" {
filename = fmt.Sprintf("%s.%s",v.FileId,v.Type)
}
attachPath = path.Join(attachdir, filename)
Write(b, attachPath)
} else {
b, e := GetImage(v.FileId)
if e != nil {
return e
}
imagedir := path.Join(p,"images")
os.MkdirAll(imagedir,0755)
filetype := v.Type
if filetype == ""{
filetype = ".png"
}
rp := path.Join(imagedir, v.FileId+filetype)
Write(b, rp)
old := fmt.Sprintf("%s/api/file/getImage?fileId=%s", LeanoteUrl, v.FileId)
shortPath := path.Join("images",v.FileId+filetype)
content = strings.ReplaceAll(content, old, shortPath)
}
}
}
return Write([]byte(content), abs)
}
func GetNoteAndAll(bookID string, dirname string) error {
if notes, ok := hasNote(bookID); ok {
for _, v := range notes {
note, e := GetNoteContent(v.NoteId)
if e != nil {
return e
}
// if is delete !
if note.IsTrash {
continue
}
err := Writefile(dirname, note)
if err != nil {
//log.Println(err)
continue
}
}
}
return nil
}
func MakeDirs(parent string, books *Book) {
P := path.Join(parent, books.Title)
os.MkdirAll(P, 0755)
GetNoteAndAll(books.Id, P)
if len(books.Child) > 0 {
for _, v := range books.Child {
MakeDirs(P, v)
}
}
}
func Exposes(notebooks []*Book) {
for _, v := range notebooks {
MakeDirs(DirRoot,v)
}
}
func main() {
var leanoteurl string
fmt.Printf("Leanote 网址[default: %s]： ", LeanoteUrl)
fmt.Scanln(&leanoteurl)
if leanoteurl != "" {
LeanoteUrl = leanoteurl
}
fmt.Printf("UserName: ")
fmt.Scanln(&UserName)
if passwd, ok := gopass.GetPass("password: "); ok == nil {
Password = passwd
}
fmt.Println(UserName, Password)
UserInfo, UserError := Login()
if UserError != nil {
panic(UserError)
}
//fmt.Printf("%#v\n", UserInfo)
if !UserInfo.Ok {
log.Fatalf("登陆失败：%s", UserInfo.Msg)
} else {
fmt.Printf("登陆成功 %s(%s)!\n", UserInfo.UserName, UserInfo.Email)
}
defer Logout(&UserInfo)
UserId = UserInfo.UserId
Token = UserInfo.Token
books := GetAllNoteBook()
dirTree := MakeDirTrees(books)
if b, err := json.Marshal(&dirTree); err == nil {
f, ferr := os.OpenFile("./dirtrees.json", os.O_CREATE|os.O_WRONLY|os.O_TRUNC, 0755)
if ferr != nil {
panic(ferr)
}
defer f.Close()
f.Write(b)
}
fmt.Printf("保存到[default(.)]: ")
var p string
fmt.Scanln(&p)
if p != ""{
DirRoot = p
}
Exposes(dirTree)
}