akka/akka-http

'relaxed' parsing of URI's with UTF-8 characters

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#3,722 创建于 2021年1月6日

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discusshelp wantednice-to-have (low-prio)

描述

In 'relaxed' mode, the Uri apply method:

/**
   * Parses a valid URI string into a normalized URI reference as defined
   * by http://tools.ietf.org/html/rfc3986#section-4.1.
   * Percent-encoded octets are UTF-8 decoded.
   * Accepts unencoded visible 7-bit ASCII characters in addition to the RFC.
   * If the given string is not a valid URI the method throws an `IllegalUriException`.
   */

As specified, other UTF-8 characters, such as é, will not be accepted. Browsers are more lenient and do convert those to percent-encoding.

The behavior of Uri might be reasonable, but it would be nice to have a utility function that would also accept (invalid) URL's containing UTF-8 characters.

Somewhat related to #86

贡献者指南

技术栈
无
领域
backendapi
议题类型
feature
难度面向新贡献者的预计实现难度，1 表示很小改动，5 表示专家级工作。
3
预计时间有经验贡献者完成调查、实现、测试并准备 pull request 的粗略时间范围。
3-5 days
活动状态议题当前的可参与程度：新鲜、活跃、陈旧、阻塞或等待维护者输入。
stale
清晰度议题是否清楚说明期望改动、验收标准和下一步。
clear
前置要求
URI parsing fundamentalsAkka HTTP source code structure
新手友好度1-100 的估计分数，表示该议题对首次贡献者的友好程度。
25
研究方向
Investigate the current implementation of relaxed URI parsing in Akka HTTP, likely in the `Uri` object. Understand the validation logic and identify where it rejects non ASCII characters. Then design a utility function that percent encodes UTF 8 characters before parsing, similar to browser behavior. Consider referencing issue #86 for related context.