<?php


function lostpass_post(&$a) {

	$loginame = notags(trim($_POST['login-name']));
	if(! $loginame)
		goaway(z_root());

	$r = q("SELECT * FROM account WHERE account_email = '%s' LIMIT 1",
		dbesc($loginame)
	);

	if(! $r) {
		notice( t('No valid account found.') . EOL);
		goaway(z_root());
	}

	$aid = $r[0]['account_id'];
	$email = $r[0]['account_email'];

	$hash = random_string();

	$r = q("UPDATE account SET account_reset = '%s' WHERE account_id = %d",
		dbesc($hash),
		intval($aid)
	);
	if($r)
		info( t('Password reset request issued. Check your email.') . EOL);

	$email_tpl = get_intltext_template("lostpass_eml.tpl");
	$message = replace_macros($email_tpl, array(
			'$sitename' => get_config('system','sitename'),
			'$siteurl' =>  $a->get_baseurl(),
			'$username' => sprintf( t('Site Member (%s)'), $email),
			'$email' => $email,
			'$reset_link' => $a->get_baseurl() . '/lostpass?verify=' . $hash
	));

	$subject = email_header_encode(sprintf( t('Password reset requested at %s'),get_config('system','sitename')), 'UTF-8');

	$res = mail($email, $subject ,
			$message,
			'From: Administrator@' . $_SERVER['SERVER_NAME'] . "\n"
			. 'Content-type: text/plain; charset=UTF-8' . "\n"
			. 'Content-transfer-encoding: 8bit' );


	goaway(z_root());
}


function lostpass_content(&$a) {


	if(x($_GET,'verify')) {
		$verify = $_GET['verify'];

		$r = q("SELECT * FROM account WHERE account_reset = '%s' LIMIT 1",
			dbesc($verify)
		);
		if(! $r) {
			notice( t("Request could not be verified. (You may have previously submitted it.) Password reset failed.") . EOL);
			goaway(z_root());
			return;
		}

		$aid = $r[0]['account_id'];
		$email = $r[0]['account_email'];

		$new_password = autoname(6) . mt_rand(100,9999);

		$salt = random_string(32);
		$password_encoded = hash('whirlpool', $salt . $new_password);
		
		$r = q("UPDATE account SET account_salt = '%s', account_password = '%s', account_reset = '', account_flags = (account_flags & ~%d) where account_id = %d",
			dbesc($salt),
			dbesc($password_encoded),
			intval(ACCOUNT_UNVERIFIED),
			intval($aid)
		);

		if($r) {
			$tpl = get_markup_template('pwdreset.tpl');
			$o .= replace_macros($tpl,array(
				'$lbl1' => t('Password Reset'),
				'$lbl2' => t('Your password has been reset as requested.'),
				'$lbl3' => t('Your new password is'),
				'$lbl4' => t('Save or copy your new password - and then'),
				'$lbl5' => '<a href="' . $a->get_baseurl() . '">' . t('click here to login') . '</a>.',
				'$lbl6' => t('Your password may be changed from the <em>Settings</em> page after successful login.'),
				'$newpass' => $new_password,
				'$baseurl' => $a->get_baseurl()

			));
			
			info("Your password has been reset." . EOL);

			$email_tpl = get_intltext_template("passchanged_eml.tpl");
			$message = replace_macros($email_tpl, array(
			'$sitename' => $a->config['sitename'],
			'$siteurl' =>  $a->get_baseurl(),
			'$username' => sprintf( t('Site Member (%s)'), $email),
			'$email' => $email,
			'$new_password' => $new_password,
			'$uid' => $newuid ));

			$subject = email_header_encode( sprintf( t('Your password has changed at %s'), get_config('system','sitename')), 'UTF-8');

			$res = mail($email,$subject,$message,
				'From: ' . 'Administrator@' . $_SERVER['SERVER_NAME'] . "\n"
				. 'Content-type: text/plain; charset=UTF-8' . "\n"
				. 'Content-transfer-encoding: 8bit' );

			return $o;
		}
	
	}
	else {
		$tpl = get_markup_template('lostpass.tpl');

		$o .= replace_macros($tpl,array(
			'$title' => t('Forgot your Password?'),
			'$desc' => t('Enter your email address and submit to have your password reset. Then check your email for further instructions.'),
			'$name' => t('Email Address'),
			'$submit' => t('Reset') 
		));

		return $o;
	}

}
