Incorrect displaying of cyrillic symbols inside scenario steps (API responses)

[omonast]

Describe the Bug

When using the Allure plugin for Azure DevOps, in the case when the API step responses contain Cyrillic characters, as well as letters of the Azerbaijani alphabet, the plugin displays the characters incorrectly (does not recognize them). At the same time, the names of the scripts that contain Cyrillic characters, as well as letters of the Azerbaijani alphabet are displayed correctly.
Local run and report generating works just fine.
Raw job log also displays chars correctly.

Steps to Reproduce

1. Allure plugin is integrated into Azure DevOps.
2. Run the pipeline, which contains API scripts that expect a response that contains Cyrillic characters or letters of the Azerbaijani alphabet.
3. Go to the results of the run.

Expected Behaviour

The characters in the response must be recognized and displayed correctly.

Screenshots or Additional Context

No response

What Language are you using?

Java

What Framework/Allure Integration you are using?

Allure AzureDevops

What version of Allure Integration you are using?

2.26.0

What version of Allure Report you are using?

2.26.0

Code of Conduct

• I agree to follow this project's Code of Conduct

[epszaw]

Hey, @omonast! Could you please attach a screenshot to see how does the problem look like?

[GooDer]

Hi, I believe I encountered same or similar problem. I have some rest assured API test which are logging to allure report responses via attachment html.

Report itself is correctly created in UTF-8 html, attachment html file are correctly created in UTF-8 encoding, but embedding of html attachment in iframe element is missing this UTF-8 encoding and thus corrupting accent characers.

What should be there I think is this (src part with charset set)

`

<iframe class="attachment__iframe" src="data:text/html;charset=utf-8;base64,....... `

Then it displays correctly in my browser.

[GooDer]

I guess it is this part of the code:

allure2/allure-generator/src/main/java/io/qameta/allure/core/ReportWebGenerator.java

Line 195 in 02e2f50

"data:%s;base64,%s", contentType,