turn registration code into a standalone function for re-use

1 files changed, 325 insertions, 0 deletions

diff --git a/include/user.php b/include/user.php
new file mode 100644
index 000000000..75a91b096
--- /dev/null
+++ b/include/user.php
@@ -0,0 +1,325 @@
+<?php
+
+require_once('include/config.php');
+require_once('include/network.php');
+require_once('include/plugin.php');
+require_once('include/text.php');
+require_once('include/pgettext.php');
+require_once('include/datetime.php');
+
+function create_user($arr) {
+
+	// Required: { username, nickname, email } or { openid_url }
+
+	$a = get_app();
+	$result = array('success' => false, 'user' => null, 'password' => '', 'message' => '');
+
+	$using_invites = get_config('system','invitation_only');
+	$num_invites   = get_config('system','number_invites');
+
+
+	$invite_id  = ((x($arr,'invite_id'))  ? notags(trim($arr['invite_id']))  : '');
+	$username   = ((x($arr,'username'))   ? notags(trim($arr['username']))   : '');
+	$nickname   = ((x($arr,'nickname'))   ? notags(trim($arr['nickname']))   : '');
+	$email      = ((x($arr,'email'))      ? notags(trim($arr['email']))      : '');
+	$openid_url = ((x($arr,'openid_url')) ? notags(trim($arr['openid_url'])) : '');
+	$photo      = ((x($arr,'photo'))      ? notags(trim($arr['photo']))      : '');
+	$publish    = ((x($arr,'profile_publish_reg') && intval($arr['profile_publish_reg'])) ? 1 : 0);
+	$password   = ((x($arr,'password'))   ? trim($arr['password'])           : '');
+
+	$netpublish = ((strlen(get_config('system','directory_submit_url'))) ? $publish : 0);
+		
+	$tmp_str = $openid_url;
+
+	if($using_invites) {
+		if(! $invite_id) {
+			$result['message'] .= t('An invitation is required.') . EOL;
+			return $result;
+		}
+		$r = q("select * from register where `hash` = '%s' limit 1", dbesc($invite_id));
+		if(! results($r)) {
+			$result['message'] .= t('Invitation could not be verified.') . EOL;
+			return $result;
+		}
+	} 
+
+	if((! x($username)) || (! x($email)) || (! x($nickname))) {
+		if($openid_url) {
+			if(! validate_url($tmp_str)) {
+				$result['message'] .= t('Invalid OpenID url') . EOL;
+				return $result;
+			}
+			$_SESSION['register'] = 1;
+			$_SESSION['openid'] = $openid_url;
+			require_once('library/openid.php');
+			$openid = new LightOpenID;
+			$openid->identity = $openid_url;
+			$openid->returnUrl = $a->get_baseurl() . '/openid'; 
+			$openid->required = array('namePerson/friendly', 'contact/email', 'namePerson');
+			$openid->optional = array('namePerson/first','media/image/aspect11','media/image/default');
+			goaway($openid->authUrl());
+			// NOTREACHED	
+		}
+
+		notice( t('Please enter the required information.') . EOL );
+		return;
+	}
+
+	if(! validate_url($tmp_str))
+		$openid_url = '';
+
+
+	$err = '';
+
+	// collapse multiple spaces in name
+	$username = preg_replace('/ +/',' ',$username);
+
+	if(mb_strlen($username) > 48)
+		$result['message'] .= t('Please use a shorter name.') . EOL;
+	if(mb_strlen($username) < 3)
+		$result['message'] .= t('Name too short.') . EOL;
+
+	// I don't really like having this rule, but it cuts down
+	// on the number of auto-registrations by Russian spammers
+	
+	//  Using preg_match was completely unreliable, due to mixed UTF-8 regex support
+	//	$no_utf = get_config('system','no_utf');
+	//	$pat = (($no_utf) ? '/^[a-zA-Z]* [a-zA-Z]*$/' : '/^\p{L}* \p{L}*$/u' ); 
+
+	// So now we are just looking for a space in the full name. 
+	
+	$loose_reg = get_config('system','no_regfullname');
+	if(! $loose_reg) {
+		$username = mb_convert_case($username,MB_CASE_TITLE,'UTF-8');
+		if(! strpos($username,' '))
+			$result['message'] .= t("That doesn't appear to be your full \x28First Last\x29 name.") . EOL;
+	}
+
+
+	if(! allowed_email($email))
+			$result['message'] .= t('Your email domain is not among those allowed on this site.') . EOL;
+
+	if((! valid_email($email)) || (! validate_email($email)))
+		$result['message'] .= t('Not a valid email address.') . EOL;
+
+	// Disallow somebody creating an account using openid that uses the admin email address,
+	// since openid bypasses email verification. We'll allow it if there is not yet an admin account.
+
+	if((x($a->config,'admin_email')) && (strcasecmp($email,$a->config['admin_email']) == 0) && strlen($openid_url)) {
+		$r = q("SELECT * FROM `user` WHERE `email` = '%s' LIMIT 1",
+			dbesc($email)
+		);
+		if(count($r))
+			$result['message'] .= t('Cannot use that email.') . EOL;
+	}
+
+	$nickname = $arr['nickname'] = strtolower($nickname);
+
+	if(! preg_match("/^[a-z][a-z0-9\-\_]*$/",$nickname))
+		$result['message'] .= t('Your "nickname" can only contain "a-z", "0-9", "-", and "_", and must also begin with a letter.') . EOL;
+	$r = q("SELECT `uid` FROM `user`
+               	WHERE `nickname` = '%s' LIMIT 1",
+               	dbesc($nickname)
+	);
+	if(count($r))
+		$result['message'] .= t('Nickname is already registered. Please choose another.') . EOL;
+
+	// Check deleted accounts that had this nickname. Doesn't matter to us,
+	// but could be a security issue for federated platforms.
+
+	$r = q("SELECT * FROM `userd`
+               	WHERE `username` = '%s' LIMIT 1",
+               	dbesc($nickname)
+	);
+	if(count($r))
+		$result['message'] .= t('Nickname was once registered here and may not be re-used. Please choose another.') . EOL;
+
+	if(strlen($result['message'])) {
+		return $result;
+	}
+
+	$new_password = ((strlen($password)) ? $password : autoname(6) . mt_rand(100,9999));
+	$new_password_encoded = hash('whirlpool',$new_password);
+
+	$result['password'] = $new_password;
+
+	require_once('include/crypto.php');
+
+	$keys = new_keypair(1024);
+
+	if($keys === false) {
+		$result['message'] .= t('SERIOUS ERROR: Generation of security keys failed.') . EOL;
+		return $result;
+	}
+
+	$prvkey = $keys['prvkey'];
+	$pubkey = $keys['pubkey'];
+
+	/**
+	 *
+	 * Create another keypair for signing/verifying
+	 * salmon protocol messages. We have to use a slightly
+	 * less robust key because this won't be using openssl
+	 * but the phpseclib. Since it is PHP interpreted code
+	 * it is not nearly as efficient, and the larger keys
+	 * will take several minutes each to process.
+	 *
+	 */
+	
+	$sres    = new_keypair(512);
+	$sprvkey = $sres['prvkey'];
+	$spubkey = $sres['pubkey'];
+
+	$r = q("INSERT INTO `user` ( `guid`, `username`, `password`, `email`, `openid`, `nickname`,
+		`pubkey`, `prvkey`, `spubkey`, `sprvkey`, `register_date`, `verified`, `blocked`, `timezone` )
+		VALUES ( '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', %d, %d, 'UTC' )",
+		dbesc(generate_user_guid()),
+		dbesc($username),
+		dbesc($new_password_encoded),
+		dbesc($email),
+		dbesc($openid_url),
+		dbesc($nickname),
+		dbesc($pubkey),
+		dbesc($prvkey),
+		dbesc($spubkey),
+		dbesc($sprvkey),
+		dbesc(datetime_convert()),
+		intval($verified),
+		intval($blocked)
+	);
+
+	if($r) {
+		$r = q("SELECT * FROM `user` 
+			WHERE `username` = '%s' AND `password` = '%s' LIMIT 1",
+			dbesc($username),
+			dbesc($new_password_encoded)
+		);
+		if($r !== false && count($r)) {
+			$u = $r[0];
+			$newuid = intval($r[0]['uid']);
+		}
+	}
+	else {
+		$result['message'] .=  t('An error occurred during registration. Please try again.') . EOL ;
+		return $result;
+	} 		
+
+	/**
+	 * if somebody clicked submit twice very quickly, they could end up with two accounts 
+	 * due to race condition. Remove this one.
+	 */
+
+	$r = q("SELECT `uid` FROM `user`
+               	WHERE `nickname` = '%s' ",
+               	dbesc($nickname)
+	);
+	if((count($r) > 1) && $newuid) {
+		$result['message'] .= t('Nickname is already registered. Please choose another.') . EOL;
+		q("DELETE FROM `user` WHERE `uid` = %d LIMIT 1",
+			intval($newuid)
+		);
+		return $result;
+	}
+
+	if(x($newuid) !== false) {
+		$r = q("INSERT INTO `profile` ( `uid`, `profile-name`, `is-default`, `name`, `photo`, `thumb`, `publish`, `net-publish` )
+			VALUES ( %d, '%s', %d, '%s', '%s', '%s', %d, %d ) ",
+			intval($newuid),
+			t('default'),
+			1,
+			dbesc($username),
+			dbesc($a->get_baseurl() . "/photo/profile/{$newuid}.jpg"),
+			dbesc($a->get_baseurl() . "/photo/avatar/{$newuid}.jpg"),
+			intval($publish),
+			intval($netpublish)
+
+		);
+		if($r === false) {
+			$result['message'] .=  t('An error occurred creating your default profile. Please try again.') . EOL;
+			// Start fresh next time.
+			$r = q("DELETE FROM `user` WHERE `uid` = %d",
+				intval($newuid));
+			return $result;
+		}
+		$r = q("INSERT INTO `contact` ( `uid`, `created`, `self`, `name`, `nick`, `photo`, `thumb`, `micro`, `blocked`, `pending`, `url`, `nurl`,
+			`request`, `notify`, `poll`, `confirm`, `poco`, `name-date`, `uri-date`, `avatar-date`, `closeness` )
+			VALUES ( %d, '%s', 1, '%s', '%s', '%s', '%s', '%s', 0, 0, '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', 0 ) ",
+			intval($newuid),
+			datetime_convert(),
+			dbesc($username),
+			dbesc($nickname),
+			dbesc($a->get_baseurl() . "/photo/profile/{$newuid}.jpg"),
+			dbesc($a->get_baseurl() . "/photo/avatar/{$newuid}.jpg"),
+			dbesc($a->get_baseurl() . "/photo/micro/{$newuid}.jpg"),
+			dbesc($a->get_baseurl() . "/profile/$nickname"),
+			dbesc(normalise_link($a->get_baseurl() . "/profile/$nickname")),
+			dbesc($a->get_baseurl() . "/dfrn_request/$nickname"),
+			dbesc($a->get_baseurl() . "/dfrn_notify/$nickname"),
+			dbesc($a->get_baseurl() . "/dfrn_poll/$nickname"),
+			dbesc($a->get_baseurl() . "/dfrn_confirm/$nickname"),
+			dbesc($a->get_baseurl() . "/poco/$nickname"),
+			dbesc(datetime_convert()),
+			dbesc(datetime_convert()),
+			dbesc(datetime_convert())
+		);
+
+		// Create a group with no members. This allows somebody to use it 
+		// right away as a default group for new contacts. 
+
+		require_once('include/group.php');
+		group_add($newuid, t('Friends'));
+
+	}
+
+	// if we have no OpenID photo try to look up an avatar
+	if(! strlen($photo))
+		$photo = avatar_img($email);
+
+	// unless there is no avatar-plugin loaded
+	if(strlen($photo)) {
+		require_once('include/Photo.php');
+		$photo_failure = false;
+
+		$filename = basename($photo);
+		$img_str = fetch_url($photo,true);
+		$img = new Photo($img_str);
+		if($img->is_valid()) {
+
+			$img->scaleImageSquare(175);
+
+			$hash = photo_new_resource();
+
+			$r = $img->store($newuid, 0, $hash, $filename, t('Profile Photos'), 4 );
+
+			if($r === false)
+				$photo_failure = true;
+
+			$img->scaleImage(80);
+
+			$r = $img->store($newuid, 0, $hash, $filename, t('Profile Photos'), 5 );
+
+			if($r === false)
+				$photo_failure = true;
+
+			$img->scaleImage(48);
+
+			$r = $img->store($newuid, 0, $hash, $filename, t('Profile Photos'), 6 );
+
+			if($r === false)
+				$photo_failure = true;
+
+			if(! $photo_failure) {
+				q("UPDATE `photo` SET `profile` = 1 WHERE `resource-id` = '%s' ",
+					dbesc($hash)
+				);
+			}
+		}
+	}
+
+	call_hooks('register_account', $newuid);
+
+	$result['success'] = true;
+	$result['user'] = $u;
+	return $result;
+
+}
\ No newline at end of file