/usr/share/php/Horde/ActiveSync/Policies.php is in php-horde-activesync 2.19.2-2.
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/**
* Horde_ActiveSync_Policies::
*
* @license http://www.horde.org/licenses/gpl GPLv2
* NOTE: According to sec. 8 of the GENERAL PUBLIC LICENSE (GPL),
* Version 2, the distribution of the Horde_ActiveSync module in or
* to the United States of America is excluded from the scope of this
* license.
* @copyright 2010-2014 Horde LLC (http://www.horde.org)
* @author Michael J Rubinsky <mrubinsk@horde.org>
* @package ActiveSync
*/
/**
* Horde_ActiveSync_Policies:: Wraps all functionality related to generating
* the XML or WBXML for EAS Policies.
*
* @license http://www.horde.org/licenses/gpl GPLv2
* NOTE: According to sec. 8 of the GENERAL PUBLIC LICENSE (GPL),
* Version 2, the distribution of the Horde_ActiveSync module in or
* to the United States of America is excluded from the scope of this
* license.
* @copyright 2010-2014 Horde LLC (http://www.horde.org)
* @author Michael J Rubinsky <mrubinsk@horde.org>
* @package ActiveSync
*/
class Horde_ActiveSync_Policies
{
/* Policy configuration keys */
const POLICY_PIN = 'DevicePasswordEnabled';
const POLICY_AEFVALUE = 'MaxInactivityTimeDeviceLock';
const POLICY_CODEFREQ = 'codewordfrequency';
const POLICY_MINLENGTH = 'MinDevicePasswordLength';
const POLICY_COMPLEXITY = 'AlphanumericDevicePasswordRequired';
// 12.0
//const POLICY_PWDRECOVERY = 'passwordrecovery';
//const POLICY_PWDEXPIRATION = 'passwordexpiration';
//const POLICY_PWDHISTORY = 'passwordhistory';
const POLICY_ENCRYPTION = 'DeviceEncryptionEnabled';
const POLICY_ATC = 'AttachmentsEnabled';
const POLICY_MAXATCSIZE = 'MaxAttachmentSize';
const POLICY_MAXFAILEDATTEMPTS = 'MaxDevicePasswordFailedAttempts';
// 12.1
const POLICY_ALLOW_SDCARD = 'AllowStorageCard';
const POLICY_ALLOW_CAMERA = 'AllowCamera';
const POLICY_ALLOW_SMS = 'AllowTextMessaging';
const POLICY_ALLOW_WIFI = 'AllowWiFi';
const POLICY_ALLOW_BLUETOOTH = 'AllowBluetooth';
const POLICY_ALLOW_POPIMAP = 'AllowPOPIMAPEmail';
const POLICY_ALLOW_BROWSER = 'AllowBrowser';
const POLICY_REQUIRE_SMIME_SIGNED = 'RequireSignedSMIMEMessages';
const POLICY_REQUIRE_SMIME_ENCRYPTED = 'RequireEncryptedSMIMEMessages';
const POLICY_DEVICE_ENCRYPTION = 'RequireDeviceEncryption';
const POLICY_ALLOW_HTML = 'AllowHTMLEmail';
const POLICY_MAX_EMAIL_AGE = 'MaxEmailAgeFilter';
//const POLICY_MAX_EMAIL_TRUNCATION = 'maxemailtruncation';
//const POLICY_MAX_HTMLEMAIL_TRUNCATION = 'maxhtmlemailtruncation';
const POLICY_ROAMING_NOPUSH = 'RequireManualSyncWhenRoaming';
/**
* Default policy values used in both 12.0 and 12.1
*
* @var array
*/
protected $_defaults = array(
self::POLICY_PIN => false,
self::POLICY_AEFVALUE => '0',
self::POLICY_MAXFAILEDATTEMPTS => '5',
self::POLICY_CODEFREQ => '0',
self::POLICY_MINLENGTH => '5',
);
/**
* Deafaults for 12.0 policies.
*
* @var array
*/
protected $_defaults_twelve = array(
self::POLICY_ATC => '1',
self::POLICY_ENCRYPTION => '0',
self::POLICY_MAXATCSIZE => '5000000',
self::POLICY_COMPLEXITY => '0',
//self::POLICY_PWDRECOVERY => '0',
//self::POLICY_PWDEXPIRATION => '0',
//self::POLICY_PWDHISTORY => '0',
);
/**
* Defaults used only in 12.1
*
* @var array
*/
protected $_defaults_twelveone = array(
// 1 == Allow/Yes, 0 == Disallow/No.
self::POLICY_ALLOW_SDCARD => '1',
self::POLICY_ALLOW_CAMERA => '1',
self::POLICY_ALLOW_SMS => '1',
self::POLICY_ALLOW_WIFI => '1',
self::POLICY_ALLOW_BLUETOOTH => '1',
self::POLICY_ALLOW_POPIMAP => '1',
self::POLICY_ALLOW_BROWSER => '1',
self::POLICY_REQUIRE_SMIME_ENCRYPTED => '0',
self::POLICY_REQUIRE_SMIME_SIGNED => '0',
self::POLICY_DEVICE_ENCRYPTION => '0',
self::POLICY_ALLOW_HTML => '1',
self::POLICY_MAX_EMAIL_AGE => '0',
self::POLICY_ROAMING_NOPUSH => '0',
);
/**
* Explicitly set policies.
*
* @var array
*/
protected $_overrides;
/**
* Output stream
*
* @var Horde_ActiveSync_Wbxml_Encoder
*/
protected $_encoder;
/**
* EAS version to support.
*
* @var long
*/
protected $_version;
/**
* Local cache of all policies to send.
*
* @var array
*/
protected $_policies = array();
/**
* Const'r
*
* @param Horde_ActiveSync_Wbxml_Encoder $encoder The output stream encoder
* @param float $version The EAS Version.
* @param array $policies The policy array.
*/
public function __construct(
Horde_ActiveSync_Wbxml_Encoder $encoder = null,
$version = Horde_ActiveSync::VERSION_TWELVEONE,
array $policies = array())
{
$this->_encoder = $encoder;
if ($version >= Horde_ActiveSync::VERSION_TWELVE) {
$this->_defaults = array_merge($this->_defaults, $this->_defaults_twelve);
}
if ($version >= Horde_ActiveSync::VERSION_TWELVEONE) {
$this->_defaults = array_merge($this->_defaults, $this->_defaults_twelveone);
}
$this->_version = $version;
$this->_overrides = $policies;
}
/**
* Return a list of all configurable policy names.
*
* @return array
*/
public function getAvailablePolicies()
{
return array_keys($this->_defaults);
}
/**
* Determine if the requested policy settings are available for the current
* version being used.
*
* @return boolean True if policies are available in current version, false
* otherwise.
*/
public function validatePolicyVersion()
{
$policies = $this->_getPolicies();
// Validate the version against the required policies.
if ($this->_version < Horde_ActiveSync::VERSION_TWELVEONE) {
foreach ($policies as $key => $value) {
if (!empty($this->_defaults_twelveone[$key]) &&
$this->_defaults_twelveone[$key] != $value) {
return false;
}
}
}
return true;
}
/**
* Output the policies as XML. Only used in EAS Version 2.5. This method
* only outputs the 2.5 compatible policies.
*
* @throws Horde_ActiveSync_Exception
*/
public function toXml()
{
if (empty($this->_encoder)) {
throw new Horde_ActiveSync_Exception('No output stream');
}
$policies = array_merge($this->_defaults, $this->_overrides);
$xml = '<wap-provisioningdoc><characteristic type="SecurityPolicy">'
. '<parm name="4131" value="' . ($policies[self::POLICY_PIN] ? 0 : 1) . '"/>'
. '</characteristic>';
if ($policies[self::POLICY_PIN]) {
$xml .= '<characteristic type="Registry">'
. '<characteristic type="HKLM\Comm\Security\Policy\LASSD\AE\{50C13377-C66D-400C-889E-C316FC4AB374}">'
. '<parm name="AEFrequencyType" value="' . (!empty($policies[self::POLICY_AEFVALUE]) ? 1 : 0) . '"/>'
. (!empty($policies[self::POLICY_AEFVALUE]) ? '<parm name="AEFrequencyValue" value="' . $policies[self::POLICY_AEFVALUE] . '"/>' : '')
. '</characteristic>';
if (!empty($policies[self::POLICY_MAXFAILEDATTEMPTS])) {
$xml .= '<characteristic type="HKLM\Comm\Security\Policy\LASSD"><parm name="DeviceWipeThreshold" value="' . $policies[self::POLICY_MAXFAILEDATTEMPTS] . '"/></characteristic>';
}
if (!empty($policies[self::POLICY_CODEFREQ])) {
$xml .= '<characteristic type="HKLM\Comm\Security\Policy\LASSD"><parm name="CodewordFrequency" value="' . $policies[self::POLICY_CODEFREQ] . '"/></characteristic>';
}
if (!empty($policies[self::POLICY_MINLENGTH])) {
$xml .= '<characteristic type="HKLM\Comm\Security\Policy\LASSD\LAP\lap_pw"><parm name="MinimumPasswordLength" value="' . $policies[self::POLICY_MINLENGTH] . '"/></characteristic>';
}
if ($policies[self::POLICY_COMPLEXITY] !== false) {
$xml .= '<characteristic type="HKLM\Comm\Security\Policy\LASSD\LAP\lap_pw"><parm name="PasswordComplexity" value="' . $policies[self::POLICY_COMPLEXITY] . '"/></characteristic>';
}
$xml .= '</characteristic>';
}
$xml .= '</wap-provisioningdoc>';
$this->_encoder->content($xml);
}
/**
* Output the policies as WBXML. Used in EAS Versions >= 12.0
*/
public function toWbxml()
{
if (empty($this->_encoder)) {
throw new Horde_ActiveSync_Exception('No output stream');
}
$policies = $this->_getPolicies();
$this->_encoder->startTag('Provision:EASProvisionDoc');
$this->_sendPolicy(self::POLICY_PIN, $policies[self::POLICY_PIN] ? '1' : '0');
if ($policies[self::POLICY_PIN]) {
$this->_sendPolicy(self::POLICY_COMPLEXITY, $policies[self::POLICY_COMPLEXITY], true);
$this->_sendPolicy(self::POLICY_MINLENGTH, $policies[self::POLICY_MINLENGTH], true);
$this->_sendPolicy(self::POLICY_MAXFAILEDATTEMPTS, $policies[self::POLICY_MAXFAILEDATTEMPTS], true);
$this->_sendPolicy(self::POLICY_COMPLEXITY, $policies[self::POLICY_COMPLEXITY] >= 1 ? '1' : '0', true);
}
$this->_sendPolicy(self::POLICY_ENCRYPTION, $policies[self::POLICY_ENCRYPTION], true);
$this->_sendPolicy(self::POLICY_ATC, $policies[self::POLICY_ATC], true);
$this->_sendPolicy(self::POLICY_AEFVALUE, $policies[self::POLICY_AEFVALUE], true);
$this->_sendPolicy(self::POLICY_MAXATCSIZE, $policies[self::POLICY_MAXATCSIZE], true);
if ($this->_version > Horde_ActiveSync::VERSION_TWELVE) {
$this->_sendPolicy(self::POLICY_ALLOW_SDCARD, $policies[self::POLICY_ALLOW_SDCARD], true);
$this->_sendPolicy(self::POLICY_ALLOW_CAMERA, $policies[self::POLICY_ALLOW_CAMERA], true);
$this->_sendPolicy(self::POLICY_DEVICE_ENCRYPTION, $policies[self::POLICY_DEVICE_ENCRYPTION], true);
$this->_sendPolicy(self::POLICY_ALLOW_WIFI, $policies[self::POLICY_ALLOW_WIFI], true);
$this->_sendPolicy(self::POLICY_ALLOW_SMS, $policies[self::POLICY_ALLOW_SMS], true);
$this->_sendPolicy(self::POLICY_ALLOW_POPIMAP, $policies[self::POLICY_ALLOW_POPIMAP], true);
$this->_sendPolicy(self::POLICY_ALLOW_BLUETOOTH, $policies[self::POLICY_ALLOW_BLUETOOTH], true);
$this->_sendPolicy(self::POLICY_ROAMING_NOPUSH, $policies[self::POLICY_ROAMING_NOPUSH], true);
$this->_sendPolicy(self::POLICY_ALLOW_HTML, $policies[self::POLICY_ALLOW_HTML], true);
$this->_sendPolicy(self::POLICY_MAX_EMAIL_AGE, $policies[self::POLICY_MAX_EMAIL_AGE], true);
$this->_sendPolicy(self::POLICY_REQUIRE_SMIME_SIGNED, $policies[self::POLICY_REQUIRE_SMIME_SIGNED], true);
$this->_sendPolicy(self::POLICY_REQUIRE_SMIME_ENCRYPTED, $policies[self::POLICY_REQUIRE_SMIME_ENCRYPTED], true);
$this->_sendPolicy(self::POLICY_ALLOW_BROWSER, $policies[self::POLICY_ALLOW_BROWSER], true);
}
$this->_encoder->endTag();
}
/**
* Output a single policy value
*
* @param string $policy The policy name
* @param mixed $value The policy value
* @param boolean $nodefault Don't send the policy if the value is default.
*/
protected function _sendPolicy($policy, $value, $nodefault = false)
{
if ($nodefault && $value == $this->_defaults[$policy]) {
return;
}
if ($value === false) {
$value = 0;
} elseif ($value === true) {
$value = 1;
}
$this->_encoder->startTag('Provision:' . $policy);
$this->_encoder->content($value);
$this->_encoder->endTag();
}
protected function _getPolicies()
{
if (empty($this->_policies)) {
$this->_policies = array_merge($this->_defaults, $this->_overrides);
}
return $this->_policies;
}
}
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