Validate URLs entered in the WYSIWYG link dialog

Issue created

Nikita Petrenko created this issue on 10/Jul/24 14:20

Summary:	Introduce a validator for creating external links
Issue Type:	Improvement
Affects Versions:	16.5.0
Assignee:	Unassigned
Created:	10/Jul/24 14:20
Priority:	Minor
Reporter:	Nikita Petrenko
Description:	Despite the fact that the placeholder displays an example of how a link to an external page should look, any user can mistakenly enter any character at the beginning in the value itself or at the end of it As a result, after saving such a link, the user will not be able to open the external page since the URL is not valid Therefore, either pre-saving or in real-time, XWiki should check whether the external link is valid (it URL syntax) I am attaching the image that the user has when trying to open the link `https://extensions.xwiki.org/xwiki/bin/view/Extension/WikiLinkURLNormalizer/

Changes by Nikita Petrenko on 10/Jul/24 14:21

Description:	Despite the fact that the placeholder displays an example of how a link to an external page should look, any user can mistakenly enter any character at the beginning in the value itself or at the end of it . As a result, after saving such a link, the user will not be able to open the external page since the URL is not valid . Therefore, either pre-saving or in real-time, XWiki should check whether the external link is valid (it URL syntax) . I am attaching the image that the user has when trying to open the link . {code:none} `https://extensions.xwiki.org/xwiki/bin/view/Extension/WikiLinkURLNormalizer/ {code}
Attachment:	error in web-browser.png
Component:	URLs
Labels:	usability

Changes by Vincent Massol on 10/Jul/24 14:22

Summary:	Introduce a validator for creating external links Validate URLs entered in the WYSIWYG link dialog
Component:	URLs
Component:	CKEditor

Vincent Massol on 10/Jul/24 14:23

Notes:

If we implement it, we won't allow anymore to enter any reference when selecting a URL type
If we implement it, we also need to generate url:xxx types of link (instead of what the link dialog currently does)

Basically we're removing a potential hidden feature (but I think it's legit to remove it)

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