Mails resembling HTML are corrupted

Created on 4 October 2020, about 4 years ago

Updated 20 October 2023, about 1 year ago

Problem/Motivation

In \Drupal\Core\Mail\Plugin\Mail\PhpMail::format() there is a conversion from HTML to text which occurs without checking if the input is an instance of MarkupInterface. This causes corruption of a mail that was in fact plain text and contains text that resembles HTML.

E.g.

Today I learnt Greek letters alpha&beta; they are hard to write.
In HTML, ampersand must be written as &amp;.
I saw your house and <wow> it is great.
If a<b and b<c then a<c.

Steps to reproduce

Install a contrib module that allows sending of messages in plain text format. An example is simplenews. Type a message like the example above.

Proposed resolution

Only call htmlToText() if the input implements MarkupInterface.

Remaining tasks

None.

User interface changes

None.

API changes

None.

Data model changes

None.

Release notes snippet

None.

🐛 Bug report

Status

Fixed

Version

11.0 🔥

Component

Mail →

Last updated 4 days ago

No maintainer

Created by

🇬🇧United Kingdom adamps

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Needs framework manager review
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Incomplete comments

Comments & Activities

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It's likely this issue predates Contrib.social: some issue and comment data are missing.

Comment about 1 year ago →
🇦🇺Australia kim.pepper 🏄‍♂️🇦🇺Sydney, Australia
📌 Add symfony/mailer into core RTBC is in so setting back to active. Might be closed now?
Comment about 1 year ago →
🇬🇧United Kingdom adamps
I think yes, we should close it. The bug is fixed in the new Symfony Mailer @Mail plug-in. PhpMail still contains the bug, but I don't think it makes sense to fix that - it creates BC problems and the code will be removed when Symfony Mailer is adopted.
Status changed to Fixed about 1 year ago10:30am 20 October 2023
Comment about 1 year ago →
🇬🇧United Kingdom adamps
Comment about 1 year ago →
System Message
Automatically closed - issue fixed for 2 weeks with no activity.

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