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Upload: Fix upload failures of common text file types.

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This adds some special case handling in 'wp_check_filetype_and_ext()' that prevents some common file types from being blocked based on mismatched MIME checks, which were made more strict in WordPress 5.0.1.

Props Kloon, birgire, tellyworth, joemcgill.
See #45615.


git-svn-id: https://develop.svn.wordpress.org/trunk@44438 602fd350-edb4-49c9-b593-d223f7449a82
This commit is contained in:
Joe McGill
2019-01-07 20:47:56 +00:00
parent c7fb3b36ea
commit 94c8a5d994
2 changed files with 72 additions and 2 deletions
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51
tests/phpunit/tests/functions.php
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@@ -1230,7 +1230,7 @@ class Tests_Functions extends WP_UnitTestCase {
}
/**
* Data profider for test_wp_get_image_mime();
* Data provider for test_wp_get_image_mime();
*/
public function _wp_get_image_mime() {
$data = array(
@@ -1336,6 +1336,55 @@ class Tests_Functions extends WP_UnitTestCase {
'proper_filename' => false,
),
),
// Non-image file not allowed even if it's named like one.
array(
DIR_TESTDATA . '/export/crazy-cdata.xml',
'crazy-cdata.jpg',
array(
'ext' => false,
'type' => false,
'proper_filename' => false,
),
),
// Non-image file not allowed if it's named like something else.
array(
DIR_TESTDATA . '/export/crazy-cdata.xml',
'crazy-cdata.doc',
array(
'ext' => false,
'type' => false,
'proper_filename' => false,
),
),
// Assorted text/* sample files
array(
DIR_TESTDATA . '/uploads/test.vtt',
'test.vtt',
array(
'ext' => 'vtt',
'type' => 'text/vtt',
'proper_filename' => false,
),
),
array(
DIR_TESTDATA . '/uploads/test.csv',
'test.csv',
array(
'ext' => 'csv',
'type' => 'text/csv',
'proper_filename' => false,
),
),
// RTF files.
array(
DIR_TESTDATA . '/uploads/test.rtf',
'test.rtf',
array(
'ext' => 'rtf',
'type' => 'application/rtf',
'proper_filename' => false,
),
),
);
// Test a few additional file types on single sites.