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friendica-github/src/Core/ACL.php

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<?php
/**
* @file src/Core/Acl.php
*/
namespace Friendica\Core;
use Friendica\App\Page;
use Friendica\BaseObject;
use Friendica\Database\DBA;
use Friendica\Model\Contact;
use Friendica\Model\Group;
/**
* 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 $preselected Contact ID that should be already selected
* @return string
* @throws \Exception
*/
public static function getSuggestContactSelectHTML($selname, $selclass, array $options = [], array $preselected = [])
{
$a = self::getApp();
$networks = null;
$size = ($options['size'] ?? 0) ?: 4;
$mutual = !empty($options['mutual_friends']);
$single = !empty($options['single']) && empty($options['multiple']);
$exclude = $options['exclude'] ?? false;
switch (($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];
Hook::callAll('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 NOT `deleted` AND `notify` != ''
$sql_extra
ORDER BY `name` ASC ", intval(local_user())
);
$contacts = DBA::toArray($stmt);
$arr = ['contact' => $contacts, 'entry' => $o];
// e.g. 'network_pre_contact_deny', 'profile_pre_contact_allow'
Hook::callAll($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";
}
}
$o .= '</select>' . PHP_EOL;
Hook::callAll($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 $tabindex Select input tag tabindex attribute
* @return string
* @throws \Exception
*/
public static function getMessageContactSelectHTML($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 NOT `deleted` AND `notify` != ''
$sql_extra
ORDER BY `name` ASC ", intval(local_user())
);
$contacts = DBA::toArray($stmt);
$arr = ['contact' => $contacts, 'entry' => $o];
// e.g. 'network_pre_contact_deny', 'profile_pre_contact_allow'
Hook::callAll($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(', ', $receiverlist);
}
Hook::callAll($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
* @throws \Exception
*/
public static function getDefaultUserPermissions(array $user = null)
{
$matches = [];
$acl_regex = '/<([0-9]+)>/i';
preg_match_all($acl_regex, $user['allow_cid'] ?? '', $matches);
$allow_cid = $matches[1];
preg_match_all($acl_regex, $user['allow_gid'] ?? '', $matches);
$allow_gid = $matches[1];
preg_match_all($acl_regex, $user['deny_cid'] ?? '', $matches);
$deny_cid = $matches[1];
preg_match_all($acl_regex, $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,
];
}
/**
* Returns the ACL list of contacts for a given user id
*
* @param int $user_id
* @return array
* @throws \Exception
*/
public static function getContactListByUserId(int $user_id)
{
$acl_contacts = Contact::selectToArray(
['id', 'name', 'addr', 'micro'],
['uid' => $user_id, 'pending' => false, 'rel' => [Contact::FOLLOWER, Contact::FRIEND]]
);
array_walk($acl_contacts, function (&$value) {
$value['type'] = 'contact';
});
return $acl_contacts;
}
/**
* Returns the ACL list of groups (including meta-groups) for a given user id
*
* @param int $user_id
* @return array
*/
public static function getGroupListByUserId(int $user_id)
{
$acl_groups = [
[
'id' => Group::FOLLOWERS,
'name' => L10n::t('Followers'),
'addr' => '',
'micro' => 'images/twopeople.png',
'type' => 'group',
],
[
'id' => Group::MUTUALS,
'name' => L10n::t('Mutuals'),
'addr' => '',
'micro' => 'images/twopeople.png',
'type' => 'group',
]
];
foreach (Group::getByUserId($user_id) as $group) {
$acl_groups[] = [
'id' => $group['id'],
'name' => $group['name'],
'addr' => '',
'micro' => 'images/twopeople.png',
'type' => 'group',
];
}
return $acl_groups;
}
/**
* Return the full jot ACL selector HTML
*
* @param Page $page
* @param array $user User array
* @param bool $for_federation
* @param array $default_permissions Static defaults permission array:
* [
* 'allow_cid' => [],
* 'allow_gid' => [],
* 'deny_cid' => [],
* 'deny_gid' => [],
* 'hidewall' => true/false
* ]
* @return string
* @throws \Friendica\Network\HTTPException\InternalServerErrorException
*/
public static function getFullSelectorHTML(Page $page, array $user = null, bool $for_federation = false, array $default_permissions = [])
{
$page->registerFooterScript(Theme::getPathForFile('asset/typeahead.js/dist/typeahead.bundle.js'));
$page->registerFooterScript(Theme::getPathForFile('js/friendica-tagsinput/friendica-tagsinput.js'));
$page->registerStylesheet(Theme::getPathForFile('js/friendica-tagsinput/friendica-tagsinput.css'));
$page->registerStylesheet(Theme::getPathForFile('js/friendica-tagsinput/friendica-tagsinput-typeahead.css'));
// Defaults user permissions
if (empty($default_permissions)) {
$default_permissions = self::getDefaultUserPermissions($user);
}
$default_permissions = [
'allow_cid' => $default_permissions['allow_cid'] ?? [],
'allow_gid' => $default_permissions['allow_gid'] ?? [],
'deny_cid' => $default_permissions['deny_cid'] ?? [],
'deny_gid' => $default_permissions['deny_gid'] ?? [],
'hidewall' => $default_permissions['hidewall'] ?? false,
];
if (count($default_permissions['allow_cid'])
+ count($default_permissions['allow_gid'])
+ count($default_permissions['deny_cid'])
+ count($default_permissions['deny_gid'])) {
$visibility = 'custom';
} else {
$visibility = 'public';
// Default permission display for custom panel
$default_permissions['allow_gid'] = [Group::FOLLOWERS];
}
$jotnets_fields = [];
if ($for_federation) {
$mail_enabled = false;
$pubmail_enabled = false;
if (function_exists('imap_open') && !Config::get('system', 'imap_disabled')) {
$mailacct = DBA::selectFirst('mailacct', ['pubmail'], ['`uid` = ? AND `server` != ""', $user['uid']]);
if (DBA::isResult($mailacct)) {
$mail_enabled = true;
$pubmail_enabled = !empty($mailacct['pubmail']);
}
}
if ($default_permissions['hidewall']) {
if ($mail_enabled) {
$jotnets_fields[] = [
'type' => 'checkbox',
'field' => [
'pubmail_enable',
L10n::t('Post to Email'),
$pubmail_enabled
]
];
}
Hook::callAll('jot_networks', $jotnets_fields);
}
}
$acl_contacts = self::getContactListByUserId($user['uid']);
$acl_groups = self::getGroupListByUserId($user['uid']);
$acl_list = array_merge($acl_groups, $acl_contacts);
$tpl = Renderer::getMarkupTemplate('acl_selector.tpl');
$o = Renderer::replaceMacros($tpl, [
'$public_title' => L10n::t('Public'),
'$public_desc' => L10n::t('This content will be shown to all your followers and can be seen in the community pages and by anyone with its link.'),
'$custom_title' => L10n::t('Limited/Private'),
'$custom_desc' => L10n::t('This content will be shown only to the people in the first box, to the exception of the people mentioned in the second box. It won\'t appear anywhere public.'),
'$allow_label' => L10n::t('Show to:'),
'$deny_label' => L10n::t('Except to:'),
'$emailcc' => L10n::t('CC: email addresses'),
'$emtitle' => L10n::t('Example: bob@example.com, mary@example.com'),
'$jotnets_summary' => L10n::t('Connectors'),
'$jotnets_disabled_label' => L10n::t('Connectors disabled, since "%s" is enabled.', L10n::t('Hide your profile details from unknown viewers?')),
'$visibility' => $visibility,
'$acl_contacts' => $acl_contacts,
'$acl_groups' => $acl_groups,
'$acl_list' => $acl_list,
'$contact_allow' => implode(',', $default_permissions['allow_cid']),
'$group_allow' => implode(',', $default_permissions['allow_gid']),
'$contact_deny' => implode(',', $default_permissions['deny_cid']),
'$group_deny' => implode(',', $default_permissions['deny_gid']),
'$for_federation' => $for_federation,
'$jotnets_fields' => $jotnets_fields,
'$user_hidewall' => $default_permissions['hidewall'],
]);
return $o;
}
}
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