publish_content 和 publish_with_video 工具在 MCP 客户端断开或超时时, rod 的 Must* 方法会因 context canceled 直接 panic。 将 inputTag、inputTags、submitPublish、submitPublishVideo 中的 Must* 调用 替换为带 error 返回的安全版本,使错误能正常传播而非 panic。 Closes #352 Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
601 lines
15 KiB
Go
601 lines
15 KiB
Go
package xiaohongshu
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import (
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"context"
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"log/slog"
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"math/rand"
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"os"
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"strings"
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"time"
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"github.com/go-rod/rod"
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"github.com/go-rod/rod/lib/input"
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"github.com/go-rod/rod/lib/proto"
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"github.com/pkg/errors"
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"github.com/sirupsen/logrus"
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)
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// PublishImageContent 发布图文内容
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type PublishImageContent struct {
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Title string
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Content string
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Tags []string
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ImagePaths []string
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ScheduleTime *time.Time // 定时发布时间,nil 表示立即发布
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}
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type PublishAction struct {
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page *rod.Page
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}
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const (
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urlOfPublic = `https://creator.xiaohongshu.com/publish/publish?source=official`
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)
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func NewPublishImageAction(page *rod.Page) (*PublishAction, error) {
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pp := page.Timeout(300 * time.Second)
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// 使用更稳健的导航和等待策略
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if err := pp.Navigate(urlOfPublic); err != nil {
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return nil, errors.Wrap(err, "导航到发布页面失败")
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}
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// 等待页面加载,使用 WaitLoad 代替 WaitIdle(更宽松)
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if err := pp.WaitLoad(); err != nil {
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logrus.Warnf("等待页面加载出现问题: %v,继续尝试", err)
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}
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time.Sleep(2 * time.Second)
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// 等待页面稳定
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if err := pp.WaitDOMStable(time.Second, 0.1); err != nil {
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logrus.Warnf("等待 DOM 稳定出现问题: %v,继续尝试", err)
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}
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time.Sleep(1 * time.Second)
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if err := mustClickPublishTab(pp, "上传图文"); err != nil {
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logrus.Errorf("点击上传图文 TAB 失败: %v", err)
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return nil, err
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}
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time.Sleep(1 * time.Second)
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return &PublishAction{
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page: pp,
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}, nil
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}
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func (p *PublishAction) Publish(ctx context.Context, content PublishImageContent) error {
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if len(content.ImagePaths) == 0 {
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return errors.New("图片不能为空")
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}
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page := p.page.Context(ctx)
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if err := uploadImages(page, content.ImagePaths); err != nil {
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return errors.Wrap(err, "小红书上传图片失败")
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}
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tags := content.Tags
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if len(tags) >= 10 {
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logrus.Warnf("标签数量超过10,截取前10个标签")
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tags = tags[:10]
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}
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logrus.Infof("发布内容: title=%s, images=%v, tags=%v, schedule=%v", content.Title, len(content.ImagePaths), tags, content.ScheduleTime)
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if err := submitPublish(page, content.Title, content.Content, tags, content.ScheduleTime); err != nil {
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return errors.Wrap(err, "小红书发布失败")
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}
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return nil
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}
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func removePopCover(page *rod.Page) {
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// 先移除弹窗封面
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has, elem, err := page.Has("div.d-popover")
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if err != nil {
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return
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}
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if has {
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elem.MustRemove()
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}
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// 兜底:点击一下空位置吧
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clickEmptyPosition(page)
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}
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func clickEmptyPosition(page *rod.Page) {
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x := 380 + rand.Intn(100)
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y := 20 + rand.Intn(60)
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page.Mouse.MustMoveTo(float64(x), float64(y)).MustClick(proto.InputMouseButtonLeft)
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}
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func mustClickPublishTab(page *rod.Page, tabname string) error {
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page.MustElement(`div.upload-content`).MustWaitVisible()
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deadline := time.Now().Add(15 * time.Second)
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for time.Now().Before(deadline) {
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tab, blocked, err := getTabElement(page, tabname)
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if err != nil {
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logrus.Warnf("获取发布 TAB 元素失败: %v", err)
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time.Sleep(200 * time.Millisecond)
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continue
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}
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if tab == nil {
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time.Sleep(200 * time.Millisecond)
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continue
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}
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if blocked {
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logrus.Info("发布 TAB 被遮挡,尝试移除遮挡")
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removePopCover(page)
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time.Sleep(200 * time.Millisecond)
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continue
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}
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if err := tab.Click(proto.InputMouseButtonLeft, 1); err != nil {
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logrus.Warnf("点击发布 TAB 失败: %v", err)
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time.Sleep(200 * time.Millisecond)
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continue
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}
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return nil
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}
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return errors.Errorf("没有找到发布 TAB - %s", tabname)
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}
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func getTabElement(page *rod.Page, tabname string) (*rod.Element, bool, error) {
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elems, err := page.Elements("div.creator-tab")
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if err != nil {
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return nil, false, err
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}
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for _, elem := range elems {
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if !isElementVisible(elem) {
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continue
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}
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text, err := elem.Text()
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if err != nil {
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logrus.Debugf("获取发布 TAB 文本失败: %v", err)
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continue
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}
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if strings.TrimSpace(text) != tabname {
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continue
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}
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blocked, err := isElementBlocked(elem)
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if err != nil {
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return nil, false, err
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}
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return elem, blocked, nil
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}
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return nil, false, nil
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}
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func isElementBlocked(elem *rod.Element) (bool, error) {
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result, err := elem.Eval(`() => {
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const rect = this.getBoundingClientRect();
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if (rect.width === 0 || rect.height === 0) {
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return true;
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}
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const x = rect.left + rect.width / 2;
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const y = rect.top + rect.height / 2;
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const target = document.elementFromPoint(x, y);
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return !(target === this || this.contains(target));
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}`)
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if err != nil {
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return false, err
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}
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return result.Value.Bool(), nil
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}
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func uploadImages(page *rod.Page, imagesPaths []string) error {
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pp := page.Timeout(30 * time.Second)
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// 验证文件路径有效性
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validPaths := make([]string, 0, len(imagesPaths))
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for _, path := range imagesPaths {
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if _, err := os.Stat(path); os.IsNotExist(err) {
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logrus.Warnf("图片文件不存在: %s", path)
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continue
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}
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validPaths = append(validPaths, path)
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logrus.Infof("获取有效图片:%s", path)
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}
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// 等待上传输入框出现
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uploadInput := pp.MustElement(".upload-input")
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// 上传多个文件
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uploadInput.MustSetFiles(validPaths...)
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// 等待并验证上传完成
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return waitForUploadComplete(pp, len(validPaths))
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}
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// waitForUploadComplete 等待并验证上传完成
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func waitForUploadComplete(page *rod.Page, expectedCount int) error {
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maxWaitTime := 60 * time.Second
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checkInterval := 500 * time.Millisecond
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start := time.Now()
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slog.Info("开始等待图片上传完成", "expected_count", expectedCount)
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for time.Since(start) < maxWaitTime {
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// 使用具体的pr类名检查已上传的图片
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uploadedImages, err := page.Elements(".img-preview-area .pr")
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slog.Info("uploadedImages", "uploadedImages", uploadedImages)
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if err == nil {
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currentCount := len(uploadedImages)
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slog.Info("检测到已上传图片", "current_count", currentCount, "expected_count", expectedCount)
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if currentCount >= expectedCount {
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slog.Info("所有图片上传完成", "count", currentCount)
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return nil
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}
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} else {
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slog.Debug("未找到已上传图片元素")
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}
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time.Sleep(checkInterval)
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}
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return errors.New("上传超时,请检查网络连接和图片大小")
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}
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func submitPublish(page *rod.Page, title, content string, tags []string, scheduleTime *time.Time) error {
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titleElem, err := page.Element("div.d-input input")
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if err != nil {
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return errors.Wrap(err, "查找标题输入框失败")
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}
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if err := titleElem.Input(title); err != nil {
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return errors.Wrap(err, "输入标题失败")
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}
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// 检查标题长度
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time.Sleep(500 * time.Millisecond)
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if err := checkTitleMaxLength(page); err != nil {
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return err
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}
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slog.Info("检查标题长度:通过")
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time.Sleep(1 * time.Second)
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contentElem, ok := getContentElement(page)
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if !ok {
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return errors.New("没有找到内容输入框")
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}
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if err := contentElem.Input(content); err != nil {
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return errors.Wrap(err, "输入正文失败")
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}
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if err := inputTags(contentElem, tags); err != nil {
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return err
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}
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time.Sleep(1 * time.Second)
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// 检查正文长度
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if err := checkContentMaxLength(page); err != nil {
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return err
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}
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slog.Info("检查正文长度:通过")
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// 处理定时发布
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if scheduleTime != nil {
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if err := setSchedulePublish(page, *scheduleTime); err != nil {
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return errors.Wrap(err, "设置定时发布失败")
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}
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slog.Info("定时发布设置完成", "schedule_time", scheduleTime.Format("2006-01-02 15:04"))
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}
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submitButton, err := page.Element(".publish-page-publish-btn button.bg-red")
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if err != nil {
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return errors.Wrap(err, "查找发布按钮失败")
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}
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if err := submitButton.Click(proto.InputMouseButtonLeft, 1); err != nil {
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return errors.Wrap(err, "点击发布按钮失败")
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}
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time.Sleep(3 * time.Second)
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return nil
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}
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// 检查标题是否超过最大长度
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func checkTitleMaxLength(page *rod.Page) error {
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has, elem, err := page.Has(`div.title-container div.max_suffix`)
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if err != nil {
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return errors.Wrap(err, "检查标题长度元素失败")
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}
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// 元素不存在,说明标题没超长
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if !has {
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return nil
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}
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// 元素存在,说明标题超长
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titleLength, err := elem.Text()
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if err != nil {
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return errors.Wrap(err, "获取标题长度文本失败")
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}
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return makeMaxLengthError(titleLength)
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}
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func checkContentMaxLength(page *rod.Page) error {
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has, elem, err := page.Has(`div.edit-container div.length-error`)
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if err != nil {
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return errors.Wrap(err, "检查正文长度元素失败")
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}
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// 元素不存在,说明正文没超长
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if !has {
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return nil
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}
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// 元素存在,说明正文超长
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contentLength, err := elem.Text()
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if err != nil {
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return errors.Wrap(err, "获取正文长度文本失败")
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}
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return makeMaxLengthError(contentLength)
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}
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func makeMaxLengthError(elemText string) error {
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parts := strings.Split(elemText, "/")
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if len(parts) != 2 {
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return errors.Errorf("长度超过限制: %s", elemText)
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}
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currLen, maxLen := parts[0], parts[1]
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return errors.Errorf("当前输入长度为%s,最大长度为%s", currLen, maxLen)
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}
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// 查找内容输入框 - 使用Race方法处理两种样式
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func getContentElement(page *rod.Page) (*rod.Element, bool) {
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var foundElement *rod.Element
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var found bool
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page.Race().
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Element("div.ql-editor").MustHandle(func(e *rod.Element) {
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foundElement = e
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found = true
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}).
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ElementFunc(func(page *rod.Page) (*rod.Element, error) {
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return findTextboxByPlaceholder(page)
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}).MustHandle(func(e *rod.Element) {
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foundElement = e
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found = true
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}).
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MustDo()
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if found {
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return foundElement, true
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}
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slog.Warn("no content element found by any method")
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return nil, false
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}
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func inputTags(contentElem *rod.Element, tags []string) error {
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if len(tags) == 0 {
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return nil
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}
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time.Sleep(1 * time.Second)
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for i := 0; i < 20; i++ {
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ka, err := contentElem.KeyActions()
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if err != nil {
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return errors.Wrap(err, "创建键盘操作失败")
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}
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if err := ka.Type(input.ArrowDown).Do(); err != nil {
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return errors.Wrap(err, "按下方向键失败")
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}
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time.Sleep(10 * time.Millisecond)
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}
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ka, err := contentElem.KeyActions()
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if err != nil {
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return errors.Wrap(err, "创建键盘操作失败")
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}
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if err := ka.Press(input.Enter).Press(input.Enter).Do(); err != nil {
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return errors.Wrap(err, "按下回车键失败")
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}
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time.Sleep(1 * time.Second)
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for _, tag := range tags {
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tag = strings.TrimLeft(tag, "#")
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if err := inputTag(contentElem, tag); err != nil {
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return errors.Wrapf(err, "输入标签[%s]失败", tag)
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}
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}
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return nil
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}
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func inputTag(contentElem *rod.Element, tag string) error {
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if err := contentElem.Input("#"); err != nil {
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return errors.Wrap(err, "输入#失败")
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}
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time.Sleep(200 * time.Millisecond)
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for _, char := range tag {
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if err := contentElem.Input(string(char)); err != nil {
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return errors.Wrapf(err, "输入字符[%c]失败", char)
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}
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time.Sleep(50 * time.Millisecond)
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}
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time.Sleep(1 * time.Second)
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page := contentElem.Page()
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topicContainer, err := page.Element("#creator-editor-topic-container")
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if err != nil || topicContainer == nil {
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slog.Warn("未找到标签联想下拉框,直接输入空格", "tag", tag)
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return contentElem.Input(" ")
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}
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firstItem, err := topicContainer.Element(".item")
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if err != nil || firstItem == nil {
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slog.Warn("未找到标签联想选项,直接输入空格", "tag", tag)
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return contentElem.Input(" ")
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}
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if err := firstItem.Click(proto.InputMouseButtonLeft, 1); err != nil {
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return errors.Wrap(err, "点击标签联想选项失败")
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}
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slog.Info("成功点击标签联想选项", "tag", tag)
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time.Sleep(200 * time.Millisecond)
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time.Sleep(500 * time.Millisecond) // 等待标签处理完成
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return nil
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}
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func findTextboxByPlaceholder(page *rod.Page) (*rod.Element, error) {
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elements := page.MustElements("p")
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if elements == nil {
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return nil, errors.New("no p elements found")
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}
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// 查找包含指定placeholder的元素
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placeholderElem := findPlaceholderElement(elements, "输入正文描述")
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if placeholderElem == nil {
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return nil, errors.New("no placeholder element found")
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}
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// 向上查找textbox父元素
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textboxElem := findTextboxParent(placeholderElem)
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if textboxElem == nil {
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return nil, errors.New("no textbox parent found")
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}
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return textboxElem, nil
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}
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func findPlaceholderElement(elements []*rod.Element, searchText string) *rod.Element {
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for _, elem := range elements {
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placeholder, err := elem.Attribute("data-placeholder")
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if err != nil || placeholder == nil {
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continue
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}
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if strings.Contains(*placeholder, searchText) {
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return elem
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}
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}
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return nil
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}
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func findTextboxParent(elem *rod.Element) *rod.Element {
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currentElem := elem
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for i := 0; i < 5; i++ {
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parent, err := currentElem.Parent()
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if err != nil {
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break
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}
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role, err := parent.Attribute("role")
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if err != nil || role == nil {
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currentElem = parent
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continue
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}
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|
||
if *role == "textbox" {
|
||
return parent
|
||
}
|
||
|
||
currentElem = parent
|
||
}
|
||
return nil
|
||
}
|
||
|
||
// isElementVisible 检查元素是否可见
|
||
func isElementVisible(elem *rod.Element) bool {
|
||
|
||
// 检查是否有隐藏样式
|
||
style, err := elem.Attribute("style")
|
||
if err == nil && style != nil {
|
||
styleStr := *style
|
||
|
||
if strings.Contains(styleStr, "left: -9999px") ||
|
||
strings.Contains(styleStr, "top: -9999px") ||
|
||
strings.Contains(styleStr, "position: absolute; left: -9999px") ||
|
||
strings.Contains(styleStr, "display: none") ||
|
||
strings.Contains(styleStr, "visibility: hidden") {
|
||
return false
|
||
}
|
||
}
|
||
|
||
visible, err := elem.Visible()
|
||
if err != nil {
|
||
slog.Warn("无法获取元素可见性", "error", err)
|
||
return true
|
||
}
|
||
|
||
return visible
|
||
}
|
||
|
||
// setSchedulePublish 设置定时发布时间
|
||
func setSchedulePublish(page *rod.Page, t time.Time) error {
|
||
// 1. 点击定时发布开关
|
||
if err := clickScheduleSwitch(page); err != nil {
|
||
return err
|
||
}
|
||
time.Sleep(800 * time.Millisecond)
|
||
|
||
// 2. 设置日期时间
|
||
if err := setDateTime(page, t); err != nil {
|
||
return err
|
||
}
|
||
time.Sleep(500 * time.Millisecond)
|
||
|
||
return nil
|
||
}
|
||
|
||
// clickScheduleSwitch 点击定时发布开关
|
||
func clickScheduleSwitch(page *rod.Page) error {
|
||
switchElem, err := page.Element(".post-time-wrapper .d-switch")
|
||
if err != nil {
|
||
return errors.Wrap(err, "查找定时发布开关失败")
|
||
}
|
||
|
||
if err := switchElem.Click(proto.InputMouseButtonLeft, 1); err != nil {
|
||
return errors.Wrap(err, "点击定时发布开关失败")
|
||
}
|
||
slog.Info("已点击定时发布开关")
|
||
return nil
|
||
}
|
||
|
||
// setDateTime 设置日期时间
|
||
func setDateTime(page *rod.Page, t time.Time) error {
|
||
dateTimeStr := t.Format("2006-01-02 15:04")
|
||
|
||
input, err := page.Element(".date-picker-container input")
|
||
if err != nil {
|
||
return errors.Wrap(err, "查找日期时间输入框失败")
|
||
}
|
||
|
||
if err := input.SelectAllText(); err != nil {
|
||
return errors.Wrap(err, "选择日期时间文本失败")
|
||
}
|
||
if err := input.Input(dateTimeStr); err != nil {
|
||
return errors.Wrap(err, "输入日期时间失败")
|
||
}
|
||
slog.Info("已设置日期时间", "datetime", dateTimeStr)
|
||
|
||
return nil
|
||
}
|