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safe.URL

Declares the given string as a safe URL or URL substring.

Syntax

safe.URL INPUT

Returns

template.URL

Alias

safeURL

Introduction

Hugo 使用 Go 的 text/templatehtml/template 包。

text/template 包實現數據驅動的模板以生成文本輸出,而 html/template 包實現數據驅動的模板以生成可防止代碼注入的安全 HTML 輸出。

默認情況下,Hugo 在渲染 HTML 文件時使用 html/template 包。

為了生成可防止代碼注入的安全 HTML 輸出,html/template 包在某些上下文中轉義字符串。

Usage

Use the safe.URL function to encapsulate a known safe URL or URL substring. Schemes other than the following are considered unsafe:

  • http:
  • https:
  • mailto:

Use of this type presents a security risk: the encapsulated content should come from a trusted source, as it will be included verbatim in the template output.

See the Go documentation for details.

Example

Without a safe declaration:

{{ $href := "irc://irc.freenode.net/#golang" }}
<a href="{{ $href }}">IRC</a>

Hugo renders the above to:

<a href="#ZgotmplZ">IRC</a>

ZgotmplZ is a special value that indicates that unsafe content reached a CSS or URL context at runtime.

To declare the string as safe:

{{ $href := "irc://irc.freenode.net/#golang" }}
<a href="{{ $href | safeURL }}">IRC</a>

Hugo renders the above to:

<a href="irc://irc.freenode.net/#golang">IRC</a>

Last updated: January 1, 0001
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