修复文章发布报错

go/controllers/tenant_site.go

@@ -119,7 +119,32 @@ func (c *TenantSiteController) resolveTemplateCode(tid uint64) string {
 func (c *TenantSiteController) writeHTML(status int, html string) {
 	c.Ctx.Output.SetStatus(status)
 	c.Ctx.Output.Header("Content-Type", "text/html; charset=utf-8")
-	c.Ctx.WriteString(html)
+	c.Ctx.WriteString(c.forceHTTPSStorageURLs(html))
+}
+
+// forceHTTPSStorageURLs 访客以 HTTPS 访问站点时，把页面中存储（CDN）域名的
+// http:// 资源升级为 https://，避免混合内容（Mixed Content）被浏览器拦截。
+// 仅替换存储配置里那个域名，不动正文里的其他外部链接。
+func (c *TenantSiteController) forceHTTPSStorageURLs(html string) string {
+	proto := c.Ctx.Input.Header("X-Forwarded-Proto")
+	if proto == "" && c.Ctx.Input.IsSecure() {
+		proto = "https"
+	}
+	if proto != "https" {
+		return html
+	}
+	cfg, err := models.GetStorageConfig()
+	if err != nil || strings.TrimSpace(cfg.QiniuDomain) == "" {
+		return html
+	}
+	host := strings.TrimSpace(cfg.QiniuDomain)
+	host = strings.TrimPrefix(host, "http://")
+	host = strings.TrimPrefix(host, "https://")
+	host = strings.TrimRight(host, "/")
+	if host == "" {
+		return html
+	}
+	return strings.ReplaceAll(html, "http://"+host, "https://"+host)
 }
 
 // render 解析并输出模板文件