添加strm生成

添加strm
2026-10-08 14:26:37 +08:00 · 2026-08-24 14:36:17 +08:00
parent cd1297a30f
commit c55d29ae84
47 changed files with 11956 additions and 4 deletions
@@ -0,0 +1,172 @@
+package cloud
+
+import (
+	"context"
+	"encoding/base64"
+	"encoding/xml"
+	"fmt"
+	"io"
+	"net/http"
+	"net/url"
+	"path"
+	"strings"
+)
+
+func (p *cloudDrive2Provider) List(ctx context.Context, dir string) ([]FileEntry, error) {
+	if err := p.validate(); err != nil {
+		return nil, err
+	}
+	if p.typ == TypeOpenList && p.apiBase != nil && p.hasOpenListAPICredentials() {
+		return p.listOpenListAPI(ctx, dir)
+	}
+	target := normalizeCloudDAVPath(dir)
+	req, err := http.NewRequestWithContext(ctx, "PROPFIND", p.urlFor(target), strings.NewReader(cloudDAVPropfindBody))
+	if err != nil {
+		return nil, err
+	}
+	p.auth(req)
+	req.Header.Set("Depth", "1")
+	req.Header.Set("Content-Type", "application/xml; charset=utf-8")
+	req.Header.Set("Accept", "application/xml,text/xml,*/*")
+	resp, err := p.client.Do(req)
+	if err != nil {
+		return nil, decorateDAVTransportError(p.name, p.urlFor(target), err)
+	}
+	defer resp.Body.Close()
+	if resp.StatusCode < 200 || resp.StatusCode >= 300 {
+		return nil, p.decorateDAVStatusError(resp, target)
+	}
+	body, _ := io.ReadAll(io.LimitReader(resp.Body, 4<<20))
+	var multi cloudDAVMultiStatus
+	if err := xml.Unmarshal(body, &multi); err != nil {
+		return nil, fmt.Errorf("%s: decode webdav: %w", p.name, err)
+	}
+	basePath := strings.TrimRight(p.base.EscapedPath(), "/")
+	currentID := normalizeCloudDAVPath(target)
+	out := make([]FileEntry, 0, len(multi.Responses))
+	for _, item := range multi.Responses {
+		entryPath, err := p.entryIDFromHref(item.Href, basePath)
+		if err != nil || entryPath == "" || sameCloudDAVPath(entryPath, currentID) {
+			continue
+		}
+		name := firstNonEmpty(item.PropStat.Prop.DisplayName, path.Base(strings.TrimRight(entryPath, "/")))
+		if decoded, err := url.PathUnescape(name); err == nil {
+			name = decoded
+		}
+		if name == "" || name == "." || name == "/" {
+			continue
+		}
+		out = append(out, FileEntry{
+			ID:    entryPath,
+			Name:  name,
+			IsDir: item.PropStat.Prop.ResourceType.Collection != nil || strings.HasSuffix(item.Href, "/"),
+			Size:  parseDAVSize(item.PropStat.Prop.ContentLength),
+		})
+	}
+	return out, nil
+}
+
+func (p *cloudDrive2Provider) resolveCloudDAVRedirectDirect(ctx context.Context, fileRef string) (*DirectLink, error) {
+	target := p.urlFor(fileRef)
+	headers := map[string]string{
+		"User-Agent": p.ua,
+	}
+	if p.token != "" {
+		headers["Authorization"] = p.token
+	} else if p.username != "" {
+		headers["Authorization"] = "Basic " + base64.StdEncoding.EncodeToString([]byte(p.username+":"+p.password))
+	}
+	location, status, err := p.firstHTTPRedirectLocation(ctx, target, headers)
+	if err != nil {
+		return nil, decorateDAVTransportError(p.name, target, err)
+	}
+	if location == "" {
+		return nil, fmt.Errorf("%s: WebDAV %s returned http %d without CDN Location; refusing WebDAV/proxy fallback for pure 302 playback", p.name, fileRef, status)
+	}
+	return &DirectLink{URL: location, Headers: nil, Proxy: false}, nil
+}
+
+func (p *cloudDrive2Provider) firstHTTPRedirectLocation(ctx context.Context, target string, headers map[string]string) (string, int, error) {
+	req, err := http.NewRequestWithContext(ctx, http.MethodGet, target, nil)
+	if err != nil {
+		return "", 0, err
+	}
+	req.Header.Set("Accept", "*/*")
+	req.Header.Set("Accept-Encoding", "identity")
+	req.Header.Set("Range", "bytes=0-0")
+	if strings.TrimSpace(p.ua) != "" {
+		req.Header.Set("User-Agent", p.ua)
+	}
+	for key, value := range headers {
+		key = strings.TrimSpace(key)
+		if key != "" && strings.TrimSpace(value) != "" {
+			req.Header.Set(key, value)
+		}
+	}
+	client := p.client
+	if client == nil {
+		client = http.DefaultClient
+	}
+	noFollow := *client
+	noFollow.CheckRedirect = func(*http.Request, []*http.Request) error {
+		return http.ErrUseLastResponse
+	}
+	resp, err := noFollow.Do(req)
+	if err != nil {
+		return "", 0, err
+	}
+	defer resp.Body.Close()
+	status := resp.StatusCode
+	if status >= 300 && status < 400 {
+		rawLocation := strings.TrimSpace(resp.Header.Get("Location"))
+		if rawLocation == "" {
+			return "", status, fmt.Errorf("%s: upstream returned redirect http %d without Location", p.name, status)
+		}
+		location, err := resolveHTTPRedirectLocation(target, rawLocation)
+		if err != nil {
+			return "", status, err
+		}
+		return location, status, nil
+	}
+	return "", status, nil
+}
+
+func resolveHTTPRedirectLocation(baseURL, rawLocation string) (string, error) {
+	rawLocation = strings.TrimSpace(rawLocation)
+	if rawLocation == "" {
+		return "", fmt.Errorf("empty redirect Location")
+	}
+	if strings.HasPrefix(rawLocation, "//") {
+		base, err := url.Parse(baseURL)
+		if err != nil || base.Scheme == "" {
+			return "", fmt.Errorf("protocol-relative redirect Location without base scheme")
+		}
+		rawLocation = base.Scheme + ":" + rawLocation
+	}
+	location, err := url.Parse(rawLocation)
+	if err != nil {
+		return "", fmt.Errorf("invalid redirect Location: %w", err)
+	}
+	if location.IsAbs() {
+		if location.Scheme != "http" && location.Scheme != "https" {
+			return "", fmt.Errorf("unsupported redirect Location scheme %q", location.Scheme)
+		}
+		return location.String(), nil
+	}
+	base, err := url.Parse(baseURL)
+	if err != nil {
+		return "", fmt.Errorf("invalid redirect base URL: %w", err)
+	}
+	return base.ResolveReference(location).String(), nil
+}
+
+func (p *cloudDrive2Provider) auth(req *http.Request) {
+	req.Header.Set("User-Agent", p.ua)
+	if p.token != "" {
+		req.Header.Set("Authorization", p.token)
+		return
+	}
+	if p.username != "" {
+		req.SetBasicAuth(p.username, p.password)
+	}
+}