Files
nostr-webhost/hostr/cmd/deploy/deploy.go

305 lines
7.8 KiB
Go

package deploy
import (
"bufio"
"bytes"
"context"
"fmt"
"net/url"
"os"
"path/filepath"
"strings"
"sync"
"github.com/nbd-wtf/go-nostr"
"github.com/nbd-wtf/go-nostr/nip19"
"github.com/studiokaiji/nostr-webhost/hostr/cmd/consts"
"github.com/studiokaiji/nostr-webhost/hostr/cmd/keystore"
"github.com/studiokaiji/nostr-webhost/hostr/cmd/relays"
"github.com/studiokaiji/nostr-webhost/hostr/cmd/tools"
"golang.org/x/net/html"
)
func pathToKind(path string, replaceable bool) (int, error) {
// パスを分割
separatedPath := strings.Split(path, ".")
// 拡張子を取得
ex := separatedPath[len(separatedPath)-1]
// replaceable(NIP-33)の場合はReplaceableなkindを返す
switch ex {
case "html":
if replaceable {
return consts.KindWebhostHTML, nil
} else {
return consts.KindWebhostReplaceableHTML, nil
}
case "css":
if replaceable {
return consts.KindWebhostReplaceableCSS, nil
} else {
return consts.KindWebhostCSS, nil
}
case "js":
if replaceable {
return consts.KindWebhostReplaceableJS, nil
} else {
return consts.KindWebhostJS, nil
}
default:
return 0, fmt.Errorf("Invalid path")
}
}
// Replaceableにする場合のidentifier(dタグ)を取得
func getReplaceableIdentifier(indexHtmlIdentifier, filePath string) string {
return indexHtmlIdentifier + "/" + filePath[1:]
}
var nostrEventsQueue []*nostr.Event
func addNostrEventQueue(event *nostr.Event) {
nostrEventsQueue = append(nostrEventsQueue, event)
}
var allRelays []string
func publishEventsFromQueue(replaceable bool) (string, string) {
ctx := context.Background()
fmt.Println("Publishing...")
// 各リレーに接続
var relays []*nostr.Relay
for _, url := range allRelays {
relay, err := nostr.RelayConnect(ctx, url)
if err != nil {
fmt.Println("❌ Failed to connect to:", url)
continue
}
relays = append(relays, relay)
}
// Publishの進捗状況を表示
allEventsCount := len(nostrEventsQueue)
uploadedFilesCount := 0
var wg sync.WaitGroup
go func() {
wg.Add(1)
tools.DisplayProgressBar(&uploadedFilesCount, &allEventsCount)
wg.Done()
}()
var mutex sync.Mutex
// リレーへpublish
for _, ev := range nostrEventsQueue {
wg.Add(1)
go func(event *nostr.Event) {
for _, relay := range relays {
_, err := relay.Publish(ctx, *event)
if err != nil {
fmt.Println(err)
continue
}
}
mutex.Lock() // ロックして排他制御
uploadedFilesCount++ // カウントアップ
mutex.Unlock() // ロック解除
wg.Done() // ゴルーチンの終了を通知
}(ev)
}
wg.Wait()
if uploadedFilesCount < allEventsCount {
fmt.Println("Failed to deploy", allEventsCount-uploadedFilesCount, "files.")
}
indexEvent := nostrEventsQueue[len(nostrEventsQueue)-1]
encoded := ""
if !replaceable {
if enc, err := nip19.EncodeEvent(indexEvent.ID, allRelays, indexEvent.PubKey); err == nil {
encoded = enc
} else {
fmt.Println("❌ Failed to covert nevent:", err)
}
}
return indexEvent.ID, encoded
}
func isExternalURL(urlStr string) bool {
u, err := url.Parse(urlStr)
return err == nil && u.Scheme != "" && u.Host != ""
}
func isValidFileType(str string) bool {
return strings.HasSuffix(str, ".html") || strings.HasSuffix(str, ".css") || strings.HasSuffix(str, ".js")
}
func Deploy(basePath string, replaceable bool, htmlIdentifier string) (string, string, string, error) {
// 引数からデプロイしたいサイトのパスを受け取る。
filePath := filepath.Join(basePath, "index.html")
// パスのディレクトリ内のファイルからindex.htmlファイルを取得
content, err := os.ReadFile(filePath)
if err != nil {
fmt.Println("❌ Failed to read index.html:", err)
return "", "", "", err
}
// HTMLの解析
doc, err := html.Parse(bytes.NewReader(content))
if err != nil {
fmt.Println("❌ Failed to parse index.html:", err)
return "", "", "", err
}
// Eventの取得に必要になるキーペアを取得
priKey, err := keystore.GetSecret()
if err != nil {
fmt.Println("❌ Failed to get private key:", err)
return "", "", "", err
}
pubKey, err := nostr.GetPublicKey(priKey)
if err != nil {
fmt.Println("❌ Failed to get public key:", err)
return "", "", "", err
}
// htmlIdentifierの存在チェック
if replaceable && len(htmlIdentifier) < 1 {
// htmlIdentifierが指定されていない場合はユーザー入力を受け取る
reader := bufio.NewReader(os.Stdin)
fmt.Print("⌨️ Please type identifier: ")
htmlIdentifier, _ = reader.ReadString('\n')
// 改行タグを削除
htmlIdentifier = strings.TrimSpace(htmlIdentifier)
fmt.Printf("Identifier: %s\n", htmlIdentifier)
}
// リレーを取得
allRelays, err = relays.GetAllRelays()
if err != nil {
return "", "", "", err
}
// リンクの解析と変換
convertLinks(priKey, pubKey, basePath, replaceable, htmlIdentifier, doc)
// 更新されたHTML
var buf bytes.Buffer
html.Render(&buf, doc)
strHtml := buf.String()
// index.htmlのkindを設定
indexHtmlKind := consts.KindWebhostHTML
if replaceable {
indexHtmlKind = consts.KindWebhostReplaceableHTML
}
// Tagsを追加
tags := nostr.Tags{}
if replaceable {
tags = tags.AppendUnique(nostr.Tag{"d", htmlIdentifier})
}
// Eventを生成しキューに追加
event, err := getEvent(priKey, pubKey, strHtml, indexHtmlKind, tags)
if err != nil {
fmt.Println("❌ Failed to get public key:", err)
return "", "", "", err
}
addNostrEventQueue(event)
fmt.Println("Added", filePath, "event to publish queue")
eventId, encoded := publishEventsFromQueue(replaceable)
return eventId, encoded, htmlIdentifier, err
}
func convertLinks(priKey, pubKey, basePath string, replaceable bool, indexHtmlIdentifier string, n *html.Node) {
// <link> と <script> タグを対象とする
if n.Type == html.ElementNode && (n.Data == "link" || n.Data == "script") {
for i, a := range n.Attr {
// href,srcのうち、外部URLでないものかつ. html, .css, .js のみ変換する
if (a.Key == "href" || a.Key == "src") && !isExternalURL(a.Val) && isValidFileType(a.Val) {
filePath := filepath.Join(basePath, a.Val)
// kindを取得
kind, err := pathToKind(filePath, replaceable)
if err != nil {
continue
}
// contentを取得
bytesContent, err := os.ReadFile(filePath)
if err != nil {
fmt.Println("❌ Failed to read", filePath, ":", err)
continue
}
// Tagsを追加
tags := nostr.Tags{}
// 置き換え可能なイベントの場合
if replaceable {
fileIdentifier := getReplaceableIdentifier(indexHtmlIdentifier, a.Val)
tags = tags.AppendUnique(nostr.Tag{"d", fileIdentifier})
// 元のパスをfileIdentifierに置き換える
n.Attr[i].Val = fileIdentifier
}
// Eventを生成し、キューに追加
event, err := getEvent(priKey, pubKey, string(bytesContent), kind, tags)
if err != nil {
fmt.Println("❌ Failed to get event for", filePath, ":", err)
break
}
addNostrEventQueue(event)
fmt.Println("Added", filePath, "event to publish queue")
// 置き換え可能なイベントでない場合
if !replaceable {
// neventを指定
nevent, err := nip19.EncodeEvent(event.ID, allRelays, pubKey)
if err != nil {
fmt.Println("❌ Failed to encode event", filePath, ":", err)
break
}
n.Attr[i].Val = nevent
}
}
}
}
// 子ノードに対して再帰的に処理
for c := n.FirstChild; c != nil; c = c.NextSibling {
convertLinks(priKey, pubKey, basePath, replaceable, indexHtmlIdentifier, c)
}
}
func getEvent(priKey, pubKey, content string, kind int, tags nostr.Tags) (*nostr.Event, error) {
ev := nostr.Event{
PubKey: pubKey,
CreatedAt: nostr.Now(),
Kind: kind,
Content: content,
Tags: tags,
}
err := ev.Sign(priKey)
if err != nil {
return nil, err
}
return &ev, err
}