Fix XML or other response renderer header are not set #9699
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Eg causes http://demo.piwik.org/index.php?module=API&method=Live.getLastVisitsDetails&format=XML&idSite=7&period=month&date=2016-01-12&expanded=1&token_auth=&filter_limit=10 to be returned as plain text.
Problem: Within the response renderer, in
handleDataTable
, after the API request was executed and the correct header already set, we perform another API request by https://github.com/piwik/piwik/blob/master/plugins/Intl/DateTimeFormatProvider.php#L110 which then sets a plain header.Quick workaround is to just send it again. Possibly better workaround is to not set a header when
original
render is used. Or to only set it whenserialized=1
here: https://github.com/piwik/piwik/blob/master/plugins/API/Renderer/Original.php#L53We could change it to