mirror of
https://github.com/EGroupware/egroupware.git
synced 2024-12-11 09:11:05 +01:00
458 lines
14 KiB
PHP
Executable File
458 lines
14 KiB
PHP
Executable File
<?php
|
|
/**
|
|
* EGroupware addressbook: Contacts
|
|
*
|
|
* @link http://www.egroupware.org
|
|
* @author Cornelius Weiss <egw@von-und-zu-weiss.de>
|
|
* @author Ralf Becker <RalfBecker-AT-outdoor-training.de>
|
|
* @author Joerg Lehrke <jlehrke@noc.de>
|
|
* @package addressbook
|
|
* @copyright (c) 2005-16 by Ralf Becker <RalfBecker-AT-outdoor-training.de>
|
|
* @copyright (c) 2005/6 by Cornelius Weiss <egw@von-und-zu-weiss.de>
|
|
* @license http://opensource.org/licenses/gpl-license.php GPL - GNU General Public License
|
|
* @version $Id$
|
|
*/
|
|
|
|
use EGroupware\Api;
|
|
use EGroupware\Api\Acl;
|
|
|
|
/**
|
|
* Business object for addressbook
|
|
*
|
|
* Currently this only contains PGP stuff, which needs to be called via Ajax
|
|
*/
|
|
class addressbook_bo extends Api\Contacts
|
|
{
|
|
static public $pgp_key_regexp = '/-----BEGIN PGP PUBLIC KEY BLOCK-----.*-----END PGP PUBLIC KEY BLOCK-----\r?\n?/s';
|
|
|
|
/**
|
|
* Search addressbook for PGP public keys of given recipients
|
|
*
|
|
* EMail addresses are lowercased to make search case-insensitive
|
|
*
|
|
* @param string|int|array $recipients (array of) email addresses or numeric account-ids
|
|
* @return array email|account_id => key pairs
|
|
*/
|
|
public function get_pgp_keys($recipients)
|
|
{
|
|
return $this->get_keys($recipients, true);
|
|
}
|
|
|
|
/**
|
|
* Keyserver URL and CA to verify ssl connection
|
|
*/
|
|
const KEYSERVER = 'https://hkps.pool.sks-keyservers.net/pks/lookup?op=get&exact=on&search=';
|
|
const KEYSERVER_CA = '/addressbook/doc/sks-keyservers.netCA.pem';
|
|
|
|
/**
|
|
* Search keyserver for PGP public keys
|
|
*
|
|
* @param int|string|array $recipients (array of) email addresses or numeric account-ids
|
|
* @param array $result =array()
|
|
*/
|
|
public static function get_pgp_keyserver($recipients, array $result=array())
|
|
{
|
|
foreach($recipients as $recipient)
|
|
{
|
|
$id = $recipient;
|
|
if (is_numeric($recipient))
|
|
{
|
|
$recipient = $GLOBALS['egw']->accounts->id2name($recipient, 'account_email');
|
|
}
|
|
$matches = null;
|
|
if (($response = file_get_contents(self::KEYSERVER.urlencode($recipient), false, stream_context_create(array(
|
|
'ssl' => array(
|
|
'verify_peer' => true,
|
|
'cafile' => EGW_SERVER_ROOT.self::KEYSERVER_CA,
|
|
)
|
|
)))) && preg_match(self::$pgp_key_regexp, $response, $matches))
|
|
{
|
|
$result[$id] = $matches[0];
|
|
}
|
|
}
|
|
return $result;
|
|
}
|
|
|
|
/**
|
|
* Search addressbook for PGP public keys of given recipients
|
|
*
|
|
* EMail addresses are lowercased to make search case-insensitive
|
|
*
|
|
* @param string|int|array $recipients (array of) email addresses or numeric account-ids
|
|
* @return array email|account_id => key pairs
|
|
*/
|
|
public function ajax_get_pgp_keys($recipients)
|
|
{
|
|
if (!$recipients) return array();
|
|
|
|
if (!is_array($recipients)) $recipients = array($recipients);
|
|
|
|
$result = $this->get_pgp_keys($recipients);
|
|
|
|
if (($missing = array_diff($recipients, array_keys($result))))
|
|
{
|
|
$result = self::get_pgp_keyserver($missing, $result);
|
|
}
|
|
//error_log(__METHOD__."(".array2string($recipients).") returning ".array2string($result));
|
|
Api\Json\Response::get()->data($result);
|
|
}
|
|
|
|
/**
|
|
* Set PGP keys for given email or account_id, if user has necessary rights
|
|
*
|
|
* @param array $keys email|account_id => public key pairs to store
|
|
* @param boolean $allow_user_updates =null for admins, set config to allow regular users to store their pgp key
|
|
* @return int number of pgp keys stored
|
|
*/
|
|
public function ajax_set_pgp_keys($keys, $allow_user_updates=null)
|
|
{
|
|
$message = $this->set_keys($keys, true, $allow_user_updates);
|
|
// add all keys to public keyserver too
|
|
$message .= "\n".lang('%1 key(s) added to public keyserver "%2".',
|
|
self::set_pgp_keyserver($keys), PARSE_URL(self::KEYSERVER_ADD, PHP_URL_HOST));
|
|
|
|
Api\Json\Response::get()->data($message);
|
|
}
|
|
|
|
/**
|
|
* Keyserver add URL
|
|
*/
|
|
const KEYSERVER_ADD = 'https://hkps.pool.sks-keyservers.net/pks/add';
|
|
|
|
/**
|
|
* Upload PGP keys to public keyserver
|
|
*
|
|
* @param array $keys email|account_id => public key pairs to store
|
|
* @return int number of pgp keys stored
|
|
*/
|
|
public static function set_pgp_keyserver($keys)
|
|
{
|
|
$added = 0;
|
|
foreach($keys as $email => $cert)
|
|
{
|
|
if (is_numeric($email))
|
|
{
|
|
$email = $GLOBALS['egw']->accounts->id2name($email, 'account_email');
|
|
}
|
|
if (($response = file_get_contents(self::KEYSERVER_ADD, false, stream_context_create(array(
|
|
'ssl' => array(
|
|
'verify_peer' => true,
|
|
'cafile' => EGW_SERVER_ROOT.self::KEYSERVER_CA,
|
|
),
|
|
'http' => array(
|
|
'header' => "Content-type: text/plain",
|
|
'method' => 'POST',
|
|
'content' => http_build_query(array(
|
|
'keytext' => $cert,
|
|
)),
|
|
),
|
|
)))))
|
|
{
|
|
$added++;
|
|
}
|
|
}
|
|
return $added;
|
|
}
|
|
|
|
/**
|
|
* Where to store public key depending on type and storage backend
|
|
*
|
|
* @param boolean $pgp true: PGP, false: S/Mime
|
|
* @param array $contact =null contact array to pass to get_backend()
|
|
* @return boolean true: store as file, false: store with contact
|
|
*/
|
|
public function pubkey_use_file($pgp, array $contact=null)
|
|
{
|
|
return $pgp || empty($contact) || get_class($this->get_backend($contact)) == 'EGroupware\\Api\\Contacts\\Sql';
|
|
}
|
|
|
|
/**
|
|
* Set keys for given email or account_id and key type based on regexp (SMIME or PGP), if user has necessary rights
|
|
*
|
|
* @param array $keys email|account_id => public key pairs to store
|
|
* @param boolean $pgp true: PGP, false: S/Mime
|
|
* @param boolean $allow_user_updates = null for admins, set config to allow regular users to store their key
|
|
*
|
|
* @return string message of the update operation result
|
|
*/
|
|
public function set_keys ($keys, $pgp, $allow_user_updates = null)
|
|
{
|
|
if (isset($allow_user_updates) && isset($GLOBALS['egw_info']['user']['apps']['admin']))
|
|
{
|
|
$update = false;
|
|
if ($allow_user_updates && !in_array('pubkey', $this->own_account_acl))
|
|
{
|
|
$this->own_account_acl[] = 'pubkey';
|
|
$update = true;
|
|
}
|
|
elseif (!$allow_user_updates && ($key = array_search('pubkey', $this->own_account_acl)) !== false)
|
|
{
|
|
unset($this->own_account_acl[$key]);
|
|
$update = true;
|
|
}
|
|
if ($update)
|
|
{
|
|
Config::save_value('own_account_acl', $this->own_account_acl, 'phpgwapi');
|
|
}
|
|
}
|
|
|
|
$key_regexp = $pgp ? self::$pgp_key_regexp : Api\Mail\Smime::$certificate_regexp;
|
|
$file = $pgp ? Api\Contacts::FILES_PGP_PUBKEY : Api\Contacts::FILES_SMIME_PUBKEY;
|
|
|
|
$criteria = array();
|
|
foreach($keys as $recipient => $key)
|
|
{
|
|
if (!preg_match($key_regexp, $key))
|
|
{
|
|
return lang('File is not a %1 public key!', $pgp ? lang('PGP') : lang('S/MIME'));
|
|
}
|
|
|
|
if (is_numeric($recipient))
|
|
{
|
|
$criteria['egw_addressbook.account_id'][] = (int)$recipient;
|
|
}
|
|
else
|
|
{
|
|
$criteria['contact_email'][] = $recipient;
|
|
}
|
|
}
|
|
if (!$criteria) return 0;
|
|
|
|
$updated = 0;
|
|
$filters = array(null);
|
|
// if accounts-backend is NOT SQL, we need to search the accounts separate
|
|
if ($this->so_accounts)
|
|
{
|
|
$filters[] = array('owner' => '0');
|
|
}
|
|
foreach($filters as $filter)
|
|
{
|
|
foreach((array)$this->search($criteria, false, '', '', '', false, 'OR', false, $filter) as $contact)
|
|
{
|
|
if ($contact['account_id'] && isset($keys[$contact['account_id']]))
|
|
{
|
|
$key = $keys[$contact['account_id']];
|
|
}
|
|
elseif (isset($keys[$contact['email']]))
|
|
{
|
|
$key = $keys[$contact['email']];
|
|
}
|
|
|
|
// key is stored in file for sql backend or allways for pgp key
|
|
$path = null;
|
|
if ($contact['id'] && $this->pubkey_use_file($pgp, $contact))
|
|
{
|
|
$path = Api\Link::vfs_path('addressbook', $contact['id'], $file);
|
|
$contact['files'] |= $pgp ? self::FILES_BIT_PGP_PUBKEY : self::FILES_BIT_SMIME_PUBKEY;
|
|
// remove evtl. existing old pubkey
|
|
if (preg_match($key_regexp, $contact['pubkey']))
|
|
{
|
|
$contact['pubkey'] = preg_replace($key_regexp, '', $contact['pubkey']);
|
|
}
|
|
$updated++;
|
|
}
|
|
elseif (empty($contact['pubkey']) || !preg_match($key_regexp, $contact['pubkey']))
|
|
{
|
|
$contact['pubkey'] .= $key;
|
|
}
|
|
else
|
|
{
|
|
$contact['pubkey'] = preg_replace($key_regexp, $key, $contact['pubkey']);
|
|
}
|
|
$contact['photo_unchanged'] = true; // otherwise photo will be lost, because $contact['jpegphoto'] is not set
|
|
if ($this->check_perms(Acl::EDIT, $contact) && $this->save($contact))
|
|
{
|
|
if ($path)
|
|
{
|
|
// check_perms && save check ACL, in case of access only via own-account we have to use root to allow the update
|
|
$backup = Api\Vfs::$is_root; Api\Vfs::$is_root = true;
|
|
if (file_put_contents($path, $key)) ++$updated;
|
|
Api\Vfs::$is_root = $backup;
|
|
}
|
|
else
|
|
{
|
|
++$updated;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
if ($criteria == array('egw.addressbook.account_id' => array((int)$GLOBALS['egw_info']['user']['account_id'])))
|
|
{
|
|
$message = !$updated ? lang('Permissiong denied! Ask your administrator to allow regular uses to update their public keys.') :
|
|
lang('Your new public key has been stored in accounts addressbook.');
|
|
}
|
|
else
|
|
{
|
|
$message = !$updated ? false: lang('%1 public keys added.', $updated);
|
|
}
|
|
return $message;
|
|
}
|
|
|
|
/**
|
|
* Search addressbook for keys of given recipients
|
|
*
|
|
* EMail addresses are lowercased to make search case-insensitive
|
|
*
|
|
* @param string|int|array $recipients (array of) email addresses or numeric account-ids or "contact:$id" for contacts by id
|
|
* @param boolean $pgp true: PGP, false: S/Mime public keys
|
|
* @return array email|account_id => key pairs
|
|
*/
|
|
protected function get_keys ($recipients, $pgp)
|
|
{
|
|
if (!$recipients) return array();
|
|
|
|
if (!is_array($recipients)) $recipients = array($recipients);
|
|
|
|
$criteria = $result = array();
|
|
foreach($recipients as &$recipient)
|
|
{
|
|
if (is_numeric($recipient))
|
|
{
|
|
$criteria['egw_addressbook.account_id'][] = (int)$recipient;
|
|
}
|
|
else
|
|
{
|
|
$criteria['contact_email_home'][] = $criteria['contact_email'][] = $recipient = strtolower($recipient);
|
|
}
|
|
}
|
|
$filters = array(null);
|
|
// if accounts-backend is NOT SQL, we need to search the accounts separate
|
|
if ($this->so_accounts)
|
|
{
|
|
$filters[] = array('owner' => '0');
|
|
}
|
|
foreach ($filters as $filter)
|
|
{
|
|
foreach((array)$this->search($criteria, array('account_id', 'contact_email', 'contact_email_home', 'contact_pubkey', 'contact_id'),
|
|
'', '', '', false, 'OR', false, $filter) as $contact)
|
|
{
|
|
// first check for file and second for pubkey field (LDAP, AD or old SQL)
|
|
if (($content = $this->get_key($contact, $pgp)))
|
|
{
|
|
$contact['email'] = strtolower($contact['email']);
|
|
if (empty($criteria['account_id']) || in_array($contact['email'], $recipients))
|
|
{
|
|
if (in_array($contact['email_home'], $recipients))
|
|
{
|
|
$result[$contact['email_home']] = $content;
|
|
}
|
|
else
|
|
{
|
|
$result[$contact['email']] = $content;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
$result[$contact['account_id']] = $content;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
return $result;
|
|
}
|
|
|
|
/**
|
|
* Extract PGP or S/Mime pubkey from contact array
|
|
*
|
|
* @param array $contact
|
|
* @param boolean $pgp
|
|
* @return string pubkey or NULL
|
|
*/
|
|
function get_key(array $contact, $pgp)
|
|
{
|
|
if ($pgp)
|
|
{
|
|
$key_regexp = self::$pgp_key_regexp;
|
|
$file = Api\Contacts::FILES_PGP_PUBKEY;
|
|
}
|
|
else
|
|
{
|
|
$key_regexp = Api\Mail\Smime::$certificate_regexp;
|
|
$file = Api\Contacts::FILES_SMIME_PUBKEY;
|
|
}
|
|
$matches = null;
|
|
if (file_exists($path = Api\Link::vfs_path('addressbook', $contact['id'], $file)) &&
|
|
($content = file_get_contents($path)) &&
|
|
preg_match($key_regexp, $content, $matches) ||
|
|
preg_match($key_regexp, $contact['pubkey'], $matches))
|
|
{
|
|
return $matches[0];
|
|
}
|
|
return null;
|
|
}
|
|
|
|
/**
|
|
* Search addressbook for SMIME Certificate keys of given recipients
|
|
*
|
|
* EMail addresses are lowercased to make search case-insensitive
|
|
*
|
|
* @param string|int|array $recipients (array of) email addresses or numeric account-ids
|
|
* @return array email|account_id => key pairs
|
|
*/
|
|
public function get_smime_keys($recipients)
|
|
{
|
|
return $this->get_keys($recipients, false);
|
|
}
|
|
|
|
/**
|
|
* Set SMIME keys for given email or account_id, if user has necessary rights
|
|
*
|
|
* @param array $keys email|account_id => public key pairs to store
|
|
* @param boolean $allow_user_updates =null for admins, set config to allow regular users to store their smime key
|
|
*
|
|
* @return string message of the update operation result
|
|
*/
|
|
public function set_smime_keys($keys, $allow_user_updates=null)
|
|
{
|
|
return $this->set_keys($keys, false, $allow_user_updates);
|
|
}
|
|
|
|
/**
|
|
* Saves contact
|
|
*
|
|
* Reimplemented to strip pubkeys pasted into pubkey field or imported and store them as files in Vfs.
|
|
* We allways store PGP pubkeys to Vfs, but S/Mime ones only for SQL backend, not for LDAP or AD.
|
|
*
|
|
* @param array &$contact contact array from etemplate::exec
|
|
* @param boolean $ignore_acl =false should the acl be checked or not
|
|
* @param boolean $touch_modified =true should modified/r be updated
|
|
* @return int|string|boolean id on success, false on failure, the error-message is in $this->error
|
|
*/
|
|
function save(&$contact, $ignore_acl=false, $touch_modified=true)
|
|
{
|
|
if (($id = parent::save($contact, $ignore_acl, $touch_modified)) && !empty($contact['pubkey']))
|
|
{
|
|
$files = 0;
|
|
foreach(array(
|
|
array(addressbook_bo::$pgp_key_regexp, Api\Contacts::FILES_PGP_PUBKEY, Api\Contacts::FILES_BIT_PGP_PUBKEY),
|
|
array(Api\Mail\Smime::$certificate_regexp, Api\Contacts::FILES_SMIME_PUBKEY, Api\Contacts::FILES_BIT_SMIME_PUBKEY),
|
|
) as $data)
|
|
{
|
|
list($regexp, $file, $bit) = $data;
|
|
$matches = null;
|
|
if (!empty($contact['pubkey']) && preg_match($regexp, $contact['pubkey'], $matches) &&
|
|
// check if we store that pubkey as file (PGP allways, but S/Mime only for SQL backend, not for LDAP or AD!)
|
|
$this->pubkey_use_file($bit === Api\Contacts::FILES_BIT_PGP_PUBKEY, $contact))
|
|
{
|
|
// check_perms && save check ACL, in case of access only via own-account we have to use root to allow the update
|
|
$backup = Api\Vfs::$is_root; Api\Vfs::$is_root = true;
|
|
if (file_put_contents(Api\Link::vfs_path('addressbook', $id, $file), $matches[0]))
|
|
{
|
|
$files |= $bit;
|
|
$contact['pubkey'] = str_replace($matches[0], '', $contact['pubkey']);
|
|
}
|
|
Api\Vfs::$is_root = $backup;
|
|
}
|
|
}
|
|
// if we stripped a pubkey / stored it as file --> remove it from DB
|
|
if ($files)
|
|
{
|
|
if (!trim($contact['pubkey'])) $contact['pubkey'] = null;
|
|
$contact['files'] |= $files;
|
|
parent::save($contact, $ignore_acl, $touch_modified);
|
|
}
|
|
}
|
|
return $id;
|
|
}
|
|
}
|