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Fixes #5845 Fixes #5834

this looks good for me too

I did

git clone https://github.com/nextcloud/mail.git
cd mail
git checkout fix/detect-char-encoding
cd ..
chown -R www-data:www-data mail

and then I enable mail in nextcloud apps page.

Error was raised when I enter mails app, and I can't enter nextcloud settings anymore. The nextcloud log is too huge to upload, but I can copy some seemingly relevant messages here:

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I did

git clone https://github.com/nextcloud/mail.git
cd mail
git checkout fix/detect-char-encoding
cd ..
chown -R www-data:www-data mail

and then I enable mail in nextcloud apps page.

Error was raised when I enter mails app, and I can't enter nextcloud settings anymore. The nextcloud log is too huge to upload, but I can copy some seemingly relevant messages here:

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Sorry, did I do sth wrong? why is this off-topic? With the newest code, the above error messages still appear. I can't test this pr, maybe I did sth wrong

I did

git clone https://github.com/nextcloud/mail.git
cd mail
git checkout fix/detect-char-encoding
cd ..
chown -R www-data:www-data mail

and then I enable mail in nextcloud apps page. Error was raised when I enter mails app, and I can't enter nextcloud settings anymore. The nextcloud log is too huge to upload, but I can copy some seemingly relevant messages here:

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Sorry, did I do sth wrong? why is this off-topic? With the newest code, the above error messages still appear. I can't test this pr, maybe I did sth wrong

Hey sorry, I should have been clearer. Your errors aren't actually from the fix, but you're missing dependencies. Can you run composer install in your mail directory please?

I did

git clone https://github.com/nextcloud/mail.git
cd mail
git checkout fix/detect-char-encoding
cd ..
chown -R www-data:www-data mail

and then I enable mail in nextcloud apps page. Error was raised when I enter mails app, and I can't enter nextcloud settings anymore. The nextcloud log is too huge to upload, but I can copy some seemingly relevant messages here:

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Sorry, did I do sth wrong? why is this off-topic? With the newest code, the above error messages still appear. I can't test this pr, maybe I did sth wrong

Hey sorry, I should have been clearer. Your errors aren't actually from the fix, but you're missing dependencies. Can you run composer install in your mail directory please?

Thank you, my nextcloud instance is a docker container, I can't find a composer executable inside the container. I usually use occ app:install to install apps, is compose install called as a post-install hook in this case?

Sorry for my unfamiliarity with php

I did

git clone https://github.com/nextcloud/mail.git
cd mail
git checkout fix/detect-char-encoding
cd ..
chown -R www-data:www-data mail

and then I enable mail in nextcloud apps page. Error was raised when I enter mails app, and I can't enter nextcloud settings anymore. The nextcloud log is too huge to upload, but I can copy some seemingly relevant messages here:

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Sorry, did I do sth wrong? why is this off-topic? With the newest code, the above error messages still appear. I can't test this pr, maybe I did sth wrong

Hey sorry, I should have been clearer. Your errors aren't actually from the fix, but you're missing dependencies. Can you run composer install in your mail directory please?

Thank you, my nextcloud instance is a docker container, I can't find a composer executable inside the container. I usually use occ app:install to install apps, is compose install called as a post-install hook in this case?

Sorry for my unfamiliarity with php

No worries, just open a ticket please and don't comment here as it's got nothing to do with this PR :)

Throws an error Could not detect charset for message on a harmless message that worked fined before.

Test email as sent from Thunderbird. It contains an image from Unsplash. I could reproduce it using other images too so this seems to be an issue with attached images.

Error from the console

Ah interesting. Attached, not embedded as base64?

Throws an error Could not detect charset for message on a harmless message that worked fined before. Test email as sent from Thunderbird. It contains an image from Unsplash. I could reproduce it using other images too so this seems to be an issue with attached images. Error from the console

Ah interesting. Attached, not embedded as base64?

I added the image as a regular attachment. At least in Thunderbird it is detected as an attachment and is not shown inline.

Here is the relevant excerpt from the .eml:

--------------LrBOmGA0xhgKeGGopkJKdw1w
Content-Type: image/jpeg; name="ilya-bronskiy-__Z8VvhbIZ4-unsplash.jpg"
Content-Disposition: attachment;
 filename="ilya-bronskiy-__Z8VvhbIZ4-unsplash.jpg"
Content-Transfer-Encoding: base64

#1037 is also related

Throws an error Could not detect charset for message on a harmless message that worked fined before. Test email as sent from Thunderbird. It contains an image from Unsplash. I could reproduce it using other images too so this seems to be an issue with attached images. Error from the console

Ah interesting. Attached, not embedded as base64?

I added the image as a regular attachment. At least in Thunderbird it is detected as an attachment and is not shown inline.

Here is the relevant excerpt from the .eml:

--------------LrBOmGA0xhgKeGGopkJKdw1w
Content-Type: image/jpeg; name="ilya-bronskiy-__Z8VvhbIZ4-unsplash.jpg"
Content-Disposition: attachment;
 filename="ilya-bronskiy-__Z8VvhbIZ4-unsplash.jpg"
Content-Transfer-Encoding: base64

Figured it out. PHP implicit bools were fooling me. As the content is $data = "" - i. e. an empty string, my boolean check on !$data returned a false value even though $data is correct as "". Early returns FTW here.

Would it be possible to use symfony/unicode or hoa/ustring to avoid encoding problems?

This is a bit scary. Let's add tests to cover the edge cases.

👍 otherwise

Not quite sure how to test this as the complete function chain is private.

Not quite sure how to test

Move the charset logic into a new class, add unit tests for it and use it in the other complex class.