同步事件中 & 符号显示异常

zogstrip · 2026年四月8日 14:12

感谢你的报告 @nathank 这个问题将通过以下链接修复：

github.com/discourse/discourse

FIX: Prevent HTML-encoding of special characters in ICS feeds (#39152)

main ← fix/ics-ampersand-encoding

opened 02:11PM - 08 Apr 26 UTC

ZogStriP

+45 -3

ERB's `<%= %>` calls `ERB::Util.html_escape` on all non-`html_safe` strings, eve…n in non-HTML templates like `.ics.erb`. This caused ampersands (and potentially other special characters) to be double-encoded as `&` in calendar subscription feeds, which external calendar apps like Google Calendar displayed verbatim. Mark `IcalEncoder.encode` output as `html_safe` since it already performs all necessary ICS encoding (HTML sanitization, entity decoding, RFC 5545 escaping). Also route the URL fields in both ICS templates through `IcalEncoder.encode` for consistency. https://meta.discourse.org/t/400166

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The webcal URL is incorrectly passed to the Calendar Name field in Google Calendar Bug events , fixed	7	274	2026年四月8日
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同步事件中 & 符号显示异常

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