Friendica Communications Platform (please note that this is a clone of the repository at github, issues are handled there) https://friendi.ca
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<?php
/**
* @file src/Core/Acl.php
*/
namespace Friendica\Core;
use Friendica\BaseObject;
use Friendica\Content\Feature;
use Friendica\Core\Protocol;
use Friendica\Core\Renderer;
use Friendica\Database\DBA;
use Friendica\Model\Contact;
use Friendica\Model\GContact;
use Friendica\Util\Network;
/**
* Handle ACL management and display
*
* @author Hypolite Petovan <hypolite@mrpetovan.com>
*/
class ACL extends BaseObject
{
/**
* Returns a select input tag with all the contact of the local user
*
* @param string $selname Name attribute of the select input tag
* @param string $selclass Class attribute of the select input tag
* @param array $options Available options:
* - size: length of the select box
* - mutual_friends: Only used for the hook
* - single: Only used for the hook
* - exclude: Only used for the hook
* @param array $preselected Contact ID that should be already selected
* @return string
*/
public static function getSuggestContactSelectHTML($selname, $selclass, array $options = [], array $preselected = [])
{
$a = self::getApp();
$networks = null;
$size = defaults($options, 'size', 4);
$mutual = !empty($options['mutual_friends']);
$single = !empty($options['single']) && empty($options['multiple']);
$exclude = defaults($options, 'exclude', false);
switch (defaults($options, 'networks', Protocol::PHANTOM)) {
case 'DFRN_ONLY':
$networks = [Protocol::DFRN];
break;
case 'PRIVATE':
$networks = [Protocol::ACTIVITYPUB, Protocol::DFRN, Protocol::MAIL, Protocol::DIASPORA];
break;
case 'TWO_WAY':
if (!empty($a->user['prvnets'])) {
$networks = [Protocol::ACTIVITYPUB, Protocol::DFRN, Protocol::MAIL, Protocol::DIASPORA];
} else {
$networks = [Protocol::ACTIVITYPUB, Protocol::DFRN, Protocol::MAIL, Protocol::DIASPORA, Protocol::OSTATUS];
}
break;
default: /// @TODO Maybe log this call?
break;
}
$x = ['options' => $options, 'size' => $size, 'single' => $single, 'mutual' => $mutual, 'exclude' => $exclude, 'networks' => $networks];
Addon::callHooks('contact_select_options', $x);
$o = '';
$sql_extra = '';
if (!empty($x['mutual'])) {
$sql_extra .= sprintf(" AND `rel` = %d ", intval(Contact::FRIEND));
}
if (!empty($x['exclude'])) {
$sql_extra .= sprintf(" AND `id` != %d ", intval($x['exclude']));
}
if (!empty($x['networks'])) {
/// @TODO rewrite to foreach()
array_walk($x['networks'], function (&$value) {
$value = "'" . DBA::escape($value) . "'";
});
$str_nets = implode(',', $x['networks']);
$sql_extra .= " AND `network` IN ( $str_nets ) ";
}
$tabindex = (!empty($options['tabindex']) ? 'tabindex="' . $options["tabindex"] . '"' : '');
if (!empty($x['single'])) {
$o .= "<select name=\"$selname\" id=\"$selclass\" class=\"$selclass\" size=\"" . $x['size'] . "\" $tabindex >\r\n";
} else {
$o .= "<select name=\"{$selname}[]\" id=\"$selclass\" class=\"$selclass\" multiple=\"multiple\" size=\"" . $x['size'] . "$\" $tabindex >\r\n";
}
$stmt = DBA::p("SELECT `id`, `name`, `url`, `network` FROM `contact`
WHERE `uid` = ? AND NOT `self` AND NOT `blocked` AND NOT `pending` AND NOT `archive` AND `notify` != ''
$sql_extra
ORDER BY `name` ASC ", intval(local_user())
);
$contacts = DBA::toArray($stmt);
$arr = ['contact' => $contacts, 'entry' => $o];
// e.g. 'network_pre_contact_deny', 'profile_pre_contact_allow'
Addon::callHooks($a->module . '_pre_' . $selname, $arr);
if (DBA::isResult($contacts)) {
foreach ($contacts as $contact) {
if (in_array($contact['id'], $preselected)) {
$selected = ' selected="selected" ';
} else {
$selected = '';
}
$trimmed = mb_substr($contact['name'], 0, 20);
$o .= "<option value=\"{$contact['id']}\" $selected title=\"{$contact['name']}|{$contact['url']}\" >$trimmed</option>\r\n";
}
}
$o .= '</select>' . PHP_EOL;
Addon::callHooks($a->module . '_post_' . $selname, $o);
return $o;
}
/**
* Returns a select input tag with all the contact of the local user
*
* @param string $selname Name attribute of the select input tag
* @param string $selclass Class attribute of the select input tag
* @param array $preselected Contact IDs that should be already selected
* @param int $size Length of the select box
* @param int $tabindex Select input tag tabindex attribute
* @return string
*/
public static function getMessageContactSelectHTML($selname, $selclass, array $preselected = [], $size = 4, $tabindex = null)
{
$a = self::getApp();
$o = '';
// When used for private messages, we limit correspondence to mutual DFRN/Friendica friends and the selector
// to one recipient. By default our selector allows multiple selects amongst all contacts.
$sql_extra = sprintf(" AND `rel` = %d ", intval(Contact::FRIEND));
$sql_extra .= sprintf(" AND `network` IN ('%s' , '%s') ", Protocol::DFRN, Protocol::DIASPORA);
$tabindex_attr = !empty($tabindex) ? ' tabindex="' . intval($tabindex) . '"' : '';
$hidepreselected = '';
if ($preselected) {
$sql_extra .= " AND `id` IN (" . implode(",", $preselected) . ")";
$hidepreselected = ' style="display: none;"';
}
$o .= "<select name=\"$selname\" id=\"$selclass\" class=\"$selclass\" size=\"$size\"$tabindex_attr$hidepreselected>\r\n";
$stmt = DBA::p("SELECT `id`, `name`, `url`, `network` FROM `contact`
WHERE `uid` = ? AND NOT `self` AND NOT `blocked` AND NOT `pending` AND NOT `archive` AND `notify` != ''
$sql_extra
ORDER BY `name` ASC ", intval(local_user())
);
$contacts = DBA::toArray($stmt);
$arr = ['contact' => $contacts, 'entry' => $o];
// e.g. 'network_pre_contact_deny', 'profile_pre_contact_allow'
Addon::callHooks($a->module . '_pre_' . $selname, $arr);
$receiverlist = [];
if (DBA::isResult($contacts)) {
foreach ($contacts as $contact) {
if (in_array($contact['id'], $preselected)) {
$selected = ' selected="selected"';
} else {
$selected = '';
}
$trimmed = Protocol::formatMention($contact['url'], $contact['name']);
$receiverlist[] = $trimmed;
$o .= "<option value=\"{$contact['id']}\"$selected title=\"{$contact['name']}|{$contact['url']}\" >$trimmed</option>\r\n";
}
}
$o .= '</select>' . PHP_EOL;
if ($preselected) {
$o .= implode(', ', $receiverlist);
}
Addon::callHooks($a->module . '_post_' . $selname, $o);
return $o;
}
private static function fixACL(&$item)
{
$item = intval(str_replace(['<', '>'], ['', ''], $item));
}
/**
* Return the default permission of the provided user array
*
* @param array $user
* @return array Hash of contact id lists
*/
public static function getDefaultUserPermissions(array $user = null)
{
$matches = [];
$acl_regex = '/<([0-9]+)>/i';
preg_match_all($acl_regex, defaults($user, 'allow_cid', ''), $matches);
$allow_cid = $matches[1];
preg_match_all($acl_regex, defaults($user, 'allow_gid', ''), $matches);
$allow_gid = $matches[1];
preg_match_all($acl_regex, defaults($user, 'deny_cid', ''), $matches);
$deny_cid = $matches[1];
preg_match_all($acl_regex, defaults($user, 'deny_gid', ''), $matches);
$deny_gid = $matches[1];
// Reformats the ACL data so that it is accepted by the JS frontend
array_walk($allow_cid, 'self::fixACL');
array_walk($allow_gid, 'self::fixACL');
array_walk($deny_cid, 'self::fixACL');
array_walk($deny_gid, 'self::fixACL');
Contact::pruneUnavailable($allow_cid);
return [
'allow_cid' => $allow_cid,
'allow_gid' => $allow_gid,
'deny_cid' => $deny_cid,
'deny_gid' => $deny_gid,
];
}
/**
* Return the full jot ACL selector HTML
*
* @param array $user User array
* @param array $default_permissions Static defaults permission array: ['allow_cid' => '', 'allow_gid' => '', 'deny_cid' => '', 'deny_gid' => '']
* @param bool $show_jotnets
* @return string
*/
public static function getFullSelectorHTML(array $user, $show_jotnets = false, array $default_permissions = [])
{
// Defaults user permissions
if (empty($default_permissions)) {
$default_permissions = self::getDefaultUserPermissions($user);
}
$jotnets = '';
if ($show_jotnets) {
$imap_disabled = !function_exists('imap_open') || Config::get('system', 'imap_disabled');
$mail_enabled = false;
$pubmail_enabled = false;
if (!$imap_disabled) {
$mailacct = DBA::selectFirst('mailacct', ['pubmail'], ['`uid` = ? AND `server` != ""', local_user()]);
if (DBA::isResult($mailacct)) {
$mail_enabled = true;
$pubmail_enabled = !empty($mailacct['pubmail']);
}
}
if (empty($default_permissions['hidewall'])) {
if ($mail_enabled) {
$selected = $pubmail_enabled ? ' checked="checked"' : '';
$jotnets .= '<div class="profile-jot-net"><input type="checkbox" name="pubmail_enable"' . $selected . ' value="1" /> ' . L10n::t("Post to Email") . '</div>';
}
Addon::callHooks('jot_networks', $jotnets);
} else {
$jotnets .= L10n::t('Connectors disabled, since "%s" is enabled.',
L10n::t('Hide your profile details from unknown viewers?'));
}
}
$tpl = Renderer::getMarkupTemplate('acl_selector.tpl');
$o = Renderer::replaceMacros($tpl, [
'$showall' => L10n::t('Visible to everybody'),
'$show' => L10n::t('show'),
'$hide' => L10n::t('don\'t show'),
'$allowcid' => json_encode(defaults($default_permissions, 'allow_cid', '')),
'$allowgid' => json_encode(defaults($default_permissions, 'allow_gid', '')),
'$denycid' => json_encode(defaults($default_permissions, 'deny_cid', '')),
'$denygid' => json_encode(defaults($default_permissions, 'deny_gid', '')),
'$networks' => $show_jotnets,
'$emailcc' => L10n::t('CC: email addresses'),
'$emtitle' => L10n::t('Example: bob@example.com, mary@example.com'),
'$jotnets' => $jotnets,
'$aclModalTitle' => L10n::t('Permissions'),
'$aclModalDismiss' => L10n::t('Close'),
'$features' => [
'aclautomention' => Feature::isEnabled($user['uid'], 'aclautomention') ? 'true' : 'false'
],
]);
return $o;
}
/**
* Searching for global contacts for autocompletion
*
* @brief Searching for global contacts for autocompletion
* @param string $search Name or part of a name or nick
* @param string $mode Search mode (e.g. "community")
* @return array with the search results
*/
public static function contactAutocomplete($search, $mode)
{
if (Config::get('system', 'block_public') && !local_user() && !remote_user()) {
return [];
}
// don't search if search term has less than 2 characters
if (!$search || mb_strlen($search) < 2) {
return [];
}
if (substr($search, 0, 1) === '@') {
$search = substr($search, 1);
}
// check if searching in the local global contact table is enabled
if (Config::get('system', 'poco_local_search')) {
$return = GContact::searchByName($search, $mode);
} else {
$p = defaults($_GET, 'page', 1) != 1 ? '&p=' . defaults($_GET, 'page', 1) : '';
$curlResult = Network::curl(get_server() . '/lsearch?f=' . $p . '&search=' . urlencode($search));
if ($curlResult->isSuccess()) {
$lsearch = json_decode($curlResult->getBody(), true);
if (!empty($lsearch['results'])) {
$return = $lsearch['results'];
}
}
}
return defaults($return, []);
}
}