V2EX permissions-policy

Permissions-Policy

释义 Definition

Permissions-Policy:一种浏览器安全机制/HTTP 响应头(以及对应的 HTML allow 策略表达方式),用于控制当前页面及其嵌入的 iframe可以使用哪些强大功能(如摄像头、麦克风、地理位置等),以及这些功能允许哪些来源(origin)使用。

该机制早期名称为 Feature-Policy,后更名为 Permissions Policy

发音 Pronunciation

/pmnz plsi/
/pmnz plsi/

例句 Examples

The site sets a Permissions-Policy to block camera access.
该网站设置了 Permissions-Policy 来阻止摄像头访问。

By configuring Permissions-Policy, the developer restricted geolocation to the site’s own origin and disabled it for all embedded iframes.
通过配置 Permissions-Policy,开发者将地理位置权限限制为仅本站源可用,并对所有嵌入的 iframe 禁用该功能。

词源 Etymology

由 **permission(s)**(许可、权限)+ policy(策略、规则)组合而成,在 Web 平台语境中表示“对浏览器能力/权限的策略性约束”。该名称从强调“功能(feature)”的旧称 Feature-Policy,演为更强调“权限控制(permissions)”的 Permissions Policy

相关词 Related Words

文献与作品 Literary Works

  • W3C / WebAppSec:《Permissions Policy》(规范文档,定义语法与浏览器行为)
  • MDN Web Docs:Permissions-Policy(开发者参考与示例)
  • Chromium / Chrome Platform 文档与设计讨论:关于 Permissions Policy 的实现与用法说明
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