freefire
4f3f3a265c
新增模块： - 友链（friendlink）后端处理 + 前端管理页与友链板 - 书库（library）：导入、章节、封面、阅读页、横竖版自适应 AdaptiveCoverSlot - 顶栏导航（header_nav）配置与 MobileTabBar/MobileRailDrawers 移动端抽屉 - 排行榜 service 测试、站点页面测试、时间线发布（timeline_release） 其它改动： - 后端 handlers/services 全量小幅调整 - 前端组件、库函数、URL/品牌/站点 URL 工具更新 - Lightbox 图片、MdEntries 条目卡、coverColor 派生色相等前端能力
372 lines
9.3 KiB
Go
372 lines
9.3 KiB
Go
package service
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import (
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"encoding/json"
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"errors"
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"fmt"
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"net/http"
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"net/url"
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"regexp"
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"strings"
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)
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const (
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timelineReleaseMaxPages = 10
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timelineReleaseMaxItems = 100
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)
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// timelineReleaseSource 内置 Release 适配（Gitea + GitHub）
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type timelineReleaseSource struct {
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id string
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host string // 精确主机或 "*"（通配）
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listPath string // releases 页正则
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apiURL string // API 模板
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query map[string]string
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headers map[string]string
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pagination string // link_header | query_page
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dateField string // 优先取的字段：published_at / created_at
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}
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var timelineReleaseSources = []timelineReleaseSource{
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{
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id: "github_release",
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host: "github.com",
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listPath: `^/(?P<owner>[^/]+)/(?P<repo>[^/]+)/releases/?$`,
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apiURL: "https://api.github.com/repos/{owner}/{repo}/releases",
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query: map[string]string{"per_page": "100", "page": "{page}"},
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headers: map[string]string{"User-Agent": "jiang13-bbs", "Accept": "application/vnd.github+json"},
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pagination: "link_header",
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dateField: "published_at",
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},
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{
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id: "gitea_release",
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host: "*",
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listPath: `^/(?P<owner>[^/]+)/(?P<repo>[^/]+)/releases/?$`,
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apiURL: "https://{host}/api/v1/repos/{owner}/{repo}/releases",
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query: map[string]string{"limit": "50", "page": "{page}"},
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headers: map[string]string{"User-Agent": "jiang13-bbs", "Accept": "application/json"},
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pagination: "query_page",
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dateField: "created_at",
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},
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}
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// matchReleaseSource 按 host + path 匹配内置 release 适配
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func matchReleaseSource(host, path string) (*timelineReleaseSource, map[string]string, error) {
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for i := range timelineReleaseSources {
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src := &timelineReleaseSources[i]
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if src.host != "*" && !strings.EqualFold(src.host, host) {
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continue
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}
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if src.host == "*" && strings.EqualFold(host, "github.com") {
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continue
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}
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re, err := regexp.Compile(src.listPath)
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if err != nil {
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continue
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}
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if m := re.FindStringSubmatch(path); m != nil {
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return src, subexpMap(re, m), nil
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}
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}
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return nil, nil, errors.New("地址不符或主机未配置")
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}
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// ImportTimelineFromReleases 按 releases 页 URL 拉取并解析发布记录
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func (s *SettingService) ImportTimelineFromReleases(urls []string) (*TimelineGitImportResult, error) {
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cleanURLs := make([]string, 0, len(urls))
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for _, u := range urls {
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u = strings.TrimSpace(u)
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if u != "" {
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cleanURLs = append(cleanURLs, u)
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}
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}
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if len(cleanURLs) == 0 {
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return nil, errors.New("请提供至少一条 URL")
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}
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if len(cleanURLs) > 20 {
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return nil, errors.New("一次最多 20 条 URL")
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}
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client := &http.Client{
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Timeout: timelineGitHTTPTimeout,
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Transport: &http.Transport{
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DialContext: publicOnlyDial,
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TLSHandshakeTimeout: timelineGitHTTPTimeout,
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ForceAttemptHTTP2: true,
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},
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CheckRedirect: func(req *http.Request, via []*http.Request) error {
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if len(via) >= 3 {
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return errors.New("重定向过多")
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}
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if err := assertSafeHTTPSURL(req.URL); err != nil {
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return err
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}
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return nil
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},
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}
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seenURL := map[string]bool{}
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var items []TimelineGitItem
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var failMsgs []string
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truncated := false
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for _, rawURL := range cleanURLs {
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part, partTrunc, err := s.importOneReleaseURL(client, rawURL, seenURL, timelineReleaseMaxItems-len(items))
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if err != nil {
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failMsgs = append(failMsgs, fmt.Sprintf("%s：%s", truncateTimelineStr(rawURL, 80), err.Error()))
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continue
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}
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items = append(items, part...)
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if partTrunc {
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truncated = true
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}
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if len(items) >= timelineReleaseMaxItems {
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truncated = true
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break
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}
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}
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out := &TimelineGitImportResult{Items: items}
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if truncated {
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out.Warning = fmt.Sprintf("已达上限（最多 %d 条），可再贴后续页 URL", timelineReleaseMaxItems)
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}
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if len(failMsgs) > 0 {
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out.Error = strings.Join(failMsgs, "；")
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}
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if len(items) == 0 && out.Error == "" {
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out.Error = "未能解析出 Release"
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}
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return out, nil
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}
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func (s *SettingService) importOneReleaseURL(
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client *http.Client,
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rawURL string,
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seenURL map[string]bool,
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remain int,
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) ([]TimelineGitItem, bool, error) {
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if remain <= 0 {
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return nil, true, nil
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}
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u, err := url.Parse(rawURL)
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if err != nil || u.Scheme == "" || u.Host == "" {
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return nil, false, errors.New("URL 无效")
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}
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if err := assertSafeHTTPSURL(u); err != nil {
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return nil, false, err
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}
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host := strings.ToLower(u.Hostname())
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path := u.EscapedPath()
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if path == "" {
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path = "/"
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}
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src, caps, err := matchReleaseSource(host, path)
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if err != nil {
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return nil, false, err
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}
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if !repoNameRe.MatchString(caps["owner"]) || !repoNameRe.MatchString(caps["repo"]) {
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return nil, false, errors.New("仓库名非法")
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}
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startPage := 1
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if p := u.Query().Get("page"); p != "" {
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if n, e := parseIntPage(p); e == nil && n >= 1 {
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startPage = n
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}
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}
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var out []TimelineGitItem
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truncated := false
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page := startPage
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maxPages := timelineReleaseMaxPages
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pagesDone := 0
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nextURL := ""
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for pagesDone < maxPages && len(out) < remain {
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var apiURL string
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if nextURL != "" {
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apiURL = nextURL
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nextURL = ""
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} else {
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apiURL = expandTemplate(src.apiURL, host, caps, page)
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q := url.Values{}
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for k, v := range src.query {
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q.Set(k, expandTemplate(v, host, caps, page))
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}
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parsed, e := url.Parse(apiURL)
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if e != nil {
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return out, truncated, errors.New("API URL 无效")
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}
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if len(q) > 0 {
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existing := parsed.Query()
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for k, vs := range q {
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existing.Set(k, vs[0])
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}
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parsed.RawQuery = existing.Encode()
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}
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apiURL = parsed.String()
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}
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parsedAPI, err := url.Parse(apiURL)
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if err != nil {
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return out, truncated, errors.New("API URL 无效")
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}
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if err := assertSafeHTTPSURL(parsedAPI); err != nil {
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return out, truncated, err
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}
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headers := http.Header{}
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for k, v := range src.headers {
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if allowedAdapterHeaders[strings.ToLower(k)] {
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headers.Set(k, v)
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}
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}
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if headers.Get("User-Agent") == "" {
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headers.Set("User-Agent", "jiang13-bbs")
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}
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body, linkNext, status, err := httpGetLimited(client, parsedAPI.String(), headers)
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if err != nil {
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return out, truncated, err
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}
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if status == 404 || status == 401 || status == 403 {
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return out, truncated, errors.New("无法读取该仓库（私有、不存在或无权访问）")
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}
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if status == 429 {
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return out, truncated, errors.New("远端限流，请稍后再试")
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}
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if status < 200 || status >= 300 {
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return out, truncated, fmt.Errorf("远端返回 %d", status)
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}
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pageItems, err := parseReleaseListJSON(body, src, host)
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if err != nil {
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return out, truncated, err
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}
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if len(pageItems) == 0 {
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break
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}
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for _, it := range pageItems {
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if it.SourceURL != "" && seenURL[it.SourceURL] {
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continue
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}
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if it.SourceURL != "" {
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seenURL[it.SourceURL] = true
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}
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out = append(out, it)
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if len(out) >= remain {
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truncated = true
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break
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}
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}
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pagesDone++
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if src.pagination == "link_header" && linkNext != "" {
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nu, e := url.Parse(linkNext)
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if e != nil || assertSafeHTTPSURL(nu) != nil {
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break
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}
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nextURL = nu.String()
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} else if src.pagination == "query_page" {
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page++
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} else {
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break
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}
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}
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if pagesDone >= maxPages {
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truncated = true
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}
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return out, truncated, nil
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}
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func parseReleaseListJSON(body []byte, src *timelineReleaseSource, host string) ([]TimelineGitItem, error) {
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var root any
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if err := json.Unmarshal(body, &root); err != nil {
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return nil, errors.New("响应非 JSON")
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}
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arr, ok := root.([]any)
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if !ok {
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return nil, errors.New("响应不是 Release 列表")
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}
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var out []TimelineGitItem
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for _, el := range arr {
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item, ok := mapReleaseObject(el, src, host)
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if !ok {
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continue
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}
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out = append(out, item)
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}
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return out, nil
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}
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func mapReleaseObject(el any, src *timelineReleaseSource, host string) (TimelineGitItem, bool) {
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m, ok := el.(map[string]any)
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if !ok {
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return TimelineGitItem{}, false
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}
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// 跳过草稿
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if draft, ok := m["draft"].(bool); ok && draft {
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return TimelineGitItem{}, false
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}
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name := jsonStringField(m, "name")
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tag := jsonStringField(m, "tag_name")
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title := strings.TrimSpace(name)
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if title == "" {
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title = strings.TrimSpace(tag)
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}
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if title == "" {
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return TimelineGitItem{}, false
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}
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body := jsonStringField(m, "body")
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dateRaw := jsonStringField(m, src.dateField)
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if dateRaw == "" {
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// 兜底用 created_at
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dateRaw = jsonStringField(m, "created_at")
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}
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srcURL := jsonStringField(m, "html_url")
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title = sanitizeTimelinePlain(title, timelineTitleMax)
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body = sanitizeTimelinePlain(body, timelineBodyMax)
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title = neutralizeDirectivePlain(title)
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body = neutralizeDirectivePlain(body)
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date := parseCommitDate(dateRaw)
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srcURL = sanitizeSourceURL(srcURL, host)
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return TimelineGitItem{
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Date: date,
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Title: title,
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Body: body,
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SourceURL: srcURL,
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}, true
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}
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// jsonStringField 从 map[string]any 取字符串字段，兼容 string/number
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func jsonStringField(m map[string]any, key string) string {
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v, ok := m[key]
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if !ok || v == nil {
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return ""
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}
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switch x := v.(type) {
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case string:
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return x
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case float64:
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return fmt.Sprintf("%v", x)
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case json.Number:
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return x.String()
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default:
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return fmt.Sprintf("%v", x)
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}
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}
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func parseIntPage(s string) (int, error) {
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n := 0
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for _, r := range s {
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if r < '0' || r > '9' {
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return 0, errors.New("page 非数字")
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}
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n = n*10 + int(r-'0')
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if n > 1_000_000 {
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return 0, errors.New("page 过大")
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}
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}
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return n, nil
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}
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