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Correctly fail if file is too short (bug #1574340).

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This commit is contained in:
Michal Čihař
2006-10-10 13:04:24 +00:00
parent 8096c576e0
commit 5bf8f4aba7
2 changed files with 6 additions and 3 deletions
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2
ChangeLog
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@@ -7,6 +7,8 @@ $Source$
2006-10-10 Michal Čihař <michal@cihar.com>
* lang/german: Fix typo (translation #1467138).
* libraries/import.lib.php: Correctly fail if file is too short (bug
#1574340).
2006-10-09 Michal Čihař <michal@cihar.com>
* lang/german: Fix typo (translation #1570611).

7
libraries/import.lib.php
View File

@@ -45,14 +45,15 @@ function PMA_detectCompression($filepath)
return FALSE;
}
$test = fread($file, 4);
$len = strlen($test);
fclose($file);
if ($test[0] == chr(31) && $test[1] == chr(139)) {
if ($len >= 2 && $test[0] == chr(31) && $test[1] == chr(139)) {
return 'application/gzip';
}
if (substr($test, 0, 3) == 'BZh') {
if ($len >= 3 && substr($test, 0, 3) == 'BZh') {
return 'application/bzip2';
}
if ($test == "PK\003\004") {
if ($len >= 4 && $test == "PK\003\004") {
return 'application/zip';
}
return 'none';