<?php

$plugins->attachHook('acp_general_users', 'yubikey_admin_cp_ui();');
$plugins->attachHook('acp_general_save', 'yubikey_admin_cp_save();');

function yubikey_admin_cp_ui()
{
	global $lang;
	?>
		<tr>
			<th colspan="2" class="subhead">
				<?php echo $lang->get('yubiacp_th'); ?>
			</th>
		</tr>
		
		<tr>
			<td class="row1">
				<?php echo $lang->get('yubiacp_field_enable_title'); ?>
			</td>
			<td class="row1">
				<label>
					<input type="checkbox" name="yubikey_enable" <?php if ( getConfig('yubikey_enable', '1') == '1' ) echo 'checked="checked" '; ?>/>
					<?php echo $lang->get('yubiacp_field_enable'); ?>
				</label>
			</td>
		</tr>
		
		<tr>
			<td class="row2">
				<?php echo $lang->get('yubiacp_field_api_key'); ?>
			</td>
			<td class="row2">
				<input type="text" name="yubikey_api_key" value="<?php echo htmlspecialchars(getConfig('yubikey_api_key', '')); ?>" size="30" />
			</td>
		</tr>
		
		<tr>
			<td class="row1">
				<?php echo $lang->get('yubiacp_field_api_key_id'); ?>
			</td>
			<td class="row1">
				<input type="text" name="yubikey_api_key_id" value="<?php echo strval(intval(getConfig('yubikey_api_key_id', ''))); ?>" size="5" />
			</td>
		</tr>
		
		<tr>
			<td class="row2">
				<?php echo $lang->get('yubiacp_field_auth_server'); ?>
			</td>
			<td class="row2">
				<input type="text" name="yubikey_auth_server" value="<?php echo htmlspecialchars(getConfig('yubikey_auth_server', YK_DEFAULT_VERIFY_URL)); ?>" size="30" />
				<?php
				if ( defined('YMS_INSTALLED') )
				{
					echo '<br />';
					echo $lang->get('yubiacp_field_use_local_pre');
					?> <label><input type="checkbox" name="yubikey_use_local_yms" <?php echo getConfig('yubikey_use_local_yms', 0) ? 'checked="checked" ' : ''; ?>/><?php
					echo $lang->get('yubiacp_field_use_local');
					echo '</label>';
				}
				?>
			</td>
		</tr>
		
		<tr>
			<td class="row1">
				<?php echo $lang->get('yubiacp_field_enroll_limit'); ?>
			</td>
			<td class="row1">
				<input type="text" name="yubikey_enroll_limit" value="<?php echo strval(intval(getConfig('yubikey_enroll_limit', '3'))); ?>" size="5" />
			</td>
		</tr>
		
		<tr>
			<td class="row2">
				<?php echo $lang->get('yubiacp_field_reg_require_otp_title'); ?><br />
				<small><?php echo $lang->get('yubiacp_field_reg_require_otp_hint'); ?></small>
			</td>
			<td class="row2">
				<label>
					<input type="checkbox" name="yubikey_reg_require_otp" <?php if ( getConfig('yubikey_reg_require_otp', '0') == '1' ) echo 'checked="checked" '; ?>/>
					<?php echo $lang->get('yubiacp_field_reg_require_otp'); ?>
				</label>
			</td>
		</tr>
		
	<?php
}

function yubikey_admin_cp_save()
{
	global $lang;
	
	// yubikey_enable, yubikey_api_key, yubikey_api_key_id, yubikey_auth_server, yubikey_enroll_limit
	setConfig('yubikey_enable', isset($_POST['yubikey_enable']) ? '1' : '0');
	setConfig('yubikey_api_key', $_POST['yubikey_api_key']);
	setConfig('yubikey_api_key_id', intval($_POST['yubikey_api_key_id']));
	setConfig('yubikey_enroll_limit', intval($_POST['yubikey_enroll_limit']));
	setConfig('yubikey_reg_require_otp', isset($_POST['yubikey_reg_require_otp']) ? '1' : '0');
	setConfig('yubikey_use_local_yms', isset($_POST['yubikey_use_local_yms']) && defined('YMS_INSTALLED') ? '1' : '0');
	
	if ( preg_match('#^(?:https?://)?(\[?[a-z0-9-:]+(?:\.[a-z0-9-:]+\]?)*)(/.*)$#', $_POST['yubikey_auth_server']) )
		setConfig('yubikey_auth_server', $_POST['yubikey_auth_server']);
	else
		echo '<div class="error-box">' . $lang->get('yubiacp_err_invalid_auth_server') . '</div>';
}