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[Bug]: F-29 The mime icon redirect is fetched again for every file list

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评估

难度
2/5
预计耗时
1-3 小时
新手友好度
78/100
Issue 类型
缺陷
描述清晰度
描述清楚
活跃度
活跃
技术栈
php

调研方向

从 core/Controller/PreviewController.php 中的 getMimeIconUrl() 开始,检查报告中提到的现有单元测试。复现 Files app 的请求行为或检查浏览器跟踪,然后验证 mime icon redirect 可公开缓存一天,并且版本化目标仍支持主题更改。

由索引模型根据 Issue 内容生成。

描述

0. Needs triage 35-feedback bug
⚠️ This issue respects the following points: ⚠️
  • This is not a troubleshooting question, general support matter, or webserver/proxy problem, but likely a bug (if unsure, ask the Community Help Forum).
  • This issue is not already reported on Github OR solved at the Community Help Forum (I've searched!).
  • I'm using a maintained major version of Nextcloud Server and tested against the latest patch level. (Supported major versions and current patch levels).
  • I agree to follow Nextcloud's Code of Conduct.
  • I've tried my best to provide clear reproduction steps that someone unfamiliar with this bug could use to reproduce it.
Bug description

F-29 · The mime icon redirect is fetched again for every file list

Severity Performance (one PHP request per mime type and page load)
Component core/Controller/PreviewController.php::getMimeIconUrl()
Affects 35.0.1
Verified Unit test; observed as 303 … no-cache in the browser trace of the Files app

/core/mimeicon?mime=… answers with a redirect to the static icon, with the default
Cache-Control: no-cache, no-store. Browsers ask PHP again on every page. The redirect now allows
caching for a day (public; the target URL is versioned, so theme changes still show up).

Steps to reproduce

see the top

Expected behavior

see the top

Nextcloud Server version

35

Operating system

None

PHP engine version

None

Web server

None

Database engine version

None

Is this bug present after an update or on a fresh install?

None

Are you using the Nextcloud Server Encryption module?

None

What user-backends are you using?
  • Default user-backend (database)
  • LDAP/ Active Directory
  • SSO - SAML
  • Other
Configuration report

List of activated Apps

Nextcloud Signing status

Nextcloud Logs

Additional info

No response

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