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22 changes: 15 additions & 7 deletions core/restclient.class.inc.php
Original file line number Diff line number Diff line change
Expand Up @@ -129,21 +129,29 @@ protected static function ExecOperation($aOperation, $sVersion = '1.0')
return $aResults;
}

public static function GetNewestKnownVersion()
{
$sNewestVersion = '1.0';

/**
* Gets the iTop API version in use. It tries all the known versions, starting from the newest one.
*
* @return string The newest supported version.
* @throws Exception If no supported version is found.
*/
public static function GetNewestKnownVersion() : string {

$oC = new RestClient();
$aKnownVersions = array('1.0', '1.1', '1.2', '2.0');
// Order: Put the newest versions first.
$aKnownVersions = array('1.4', '1.3', '1.2', '1.1', '1.0');
foreach ($aKnownVersions as $sVersion) {
$oC->SetVersion($sVersion);
$aRet = $oC->ListOperations();
if ($aRet['code'] == 0) {
// Supported version
$sNewestVersion = $sVersion;
// A non-error code (0) means the version is supported.
return $sVersion;
}
}

return $sNewestVersion;
throw new Exception("Unable to detect an iTop API. Validate the URL and the credentials, and check if appropriate profiles have been assigned to the user (e.g. 'REST Services User').");

}

/**
Expand Down