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xbscli.go
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package main
import (
"crypto/aes"
"crypto/cipher"
"crypto/sha256"
"encoding/base64"
"encoding/json"
"flag"
"fmt"
"io/ioutil"
"net/http"
"os"
"strings"
"time"
"github.com/mrusme/xbscli/lz77"
"golang.org/x/crypto/pbkdf2"
)
type Bookmark struct {
ID int `json:"id"`
Title string `json:"title"`
URL string `json:"url,omitempty"`
Children []Bookmark `json:"children,omitempty"`
}
type BookmarksResponse struct {
Bookmarks string `json:"bookmarks"`
LastUpdated time.Time `json:"lastUpdated"`
Version string `json:"version"`
}
var serverURL string
var syncID string
var password string
var format string
func main() {
flag.StringVar(&serverURL, "s", "", "server URL (required)")
flag.StringVar(&syncID, "i", "", "sync ID (required)")
flag.StringVar(&password, "p", "", "sync password (required)")
flag.StringVar(&format, "f", "json", "format: json, pretty")
flag.Usage = func() {
fmt.Fprintf(os.Stderr, "Usage of %s:\n", os.Args[0])
flag.PrintDefaults()
}
flag.Parse()
if serverURL == "" || syncID == "" || password == "" {
flag.Usage()
os.Exit(1)
}
response, err := http.Get(serverURL + "/bookmarks/" + syncID)
if err != nil {
fmt.Print(err.Error())
os.Exit(1)
}
responseBody, err := ioutil.ReadAll(response.Body)
if err != nil {
fmt.Print(err.Error())
os.Exit(1)
}
var bookmarksResponse BookmarksResponse
if err := json.Unmarshal(responseBody, &bookmarksResponse); err != nil {
fmt.Print(err.Error())
os.Exit(1)
}
key := pbkdf2.Key([]byte(password), []byte(syncID), 250000, 32, sha256.New)
ciphertext, err := base64.StdEncoding.DecodeString(bookmarksResponse.Bookmarks)
if err != nil {
fmt.Print(err.Error())
os.Exit(1)
}
iv := ciphertext[:16]
encdata := ciphertext[16:]
block, err := aes.NewCipher(key)
if err != nil {
fmt.Print(err.Error())
os.Exit(1)
}
aesgcm, err := cipher.NewGCMWithNonceSize(block, 16)
if err != nil {
fmt.Print(err.Error())
os.Exit(1)
}
encdata, err = aesgcm.Open(nil, iv, encdata, nil)
if err != nil {
fmt.Print(err.Error())
os.Exit(1)
}
bms := lz77.DecompressBlockToString(encdata)
switch format {
case "json":
fmt.Printf("%s\n", bms)
os.Exit(0)
case "pretty":
var bookmarks []Bookmark
if err := json.Unmarshal([]byte(bms), &bookmarks); err != nil {
fmt.Print(err.Error())
os.Exit(1)
}
printBookmarks(bookmarks, 0)
os.Exit(0)
case "html":
var bookmarks []Bookmark
if err := json.Unmarshal([]byte(bms), &bookmarks); err != nil {
fmt.Print(err.Error())
os.Exit(1)
}
fmt.Println("<HTML><BODY>")
printBookmarksAsHTML(bookmarks)
fmt.Println("</BODY></HTML>")
os.Exit(0)
}
}
func printBookmarks(bookmarks []Bookmark, level int) {
for _, bookmark := range bookmarks {
fmt.Printf("%s%s\n", strings.Repeat(" ", level), bookmark.Title)
if bookmark.Children != nil && len(bookmark.Children) > 0 {
printBookmarks(bookmark.Children, level+2)
} else {
fmt.Printf("%s%s\n", strings.Repeat(" ", level), bookmark.URL)
fmt.Println()
}
}
}
func printBookmarksAsHTML(bookmarks []Bookmark) {
for _, bookmark := range bookmarks {
if bookmark.URL != "" {
fmt.Printf("<DT><A HREF=\"%s\">%s</A></DT>\n", bookmark.URL, bookmark.Title)
} else {
if bookmark.Children != nil && len(bookmark.Children) > 0 {
fmt.Printf("<DT><H3>%s</H3>\n<DL>\n", bookmark.Title)
printBookmarksAsHTML(bookmark.Children)
fmt.Printf("</DL></DT>\n")
}
}
}
}