friendica_2021-01/mod/delegate.php

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<?php
use Friendica\App;
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use Friendica\Core\System;
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use Friendica\Database\DBM;
require_once 'mod/settings.php';
function delegate_init(App $a)
{
return settings_init($a);
}
function delegate_content(App $a)
{
if (!local_user()) {
notice(t('Permission denied.') . EOL);
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return;
}
if ($a->argc > 2 && $a->argv[1] === 'add' && intval($a->argv[2])) {
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// delegated admins can view but not change delegation permissions
if (x($_SESSION, 'submanage')) {
goaway(System::baseUrl() . '/delegate');
}
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$user_id = $a->argv[2];
$user = dba::selectFirst('user', ['nickname'], ['uid' => $user_id]);
if (DBM::is_result($user)) {
$condition = [
'uid' => local_user(),
'nurl' => normalise_link(System::baseUrl() . '/profile/' . $user['nickname'])
];
if (dba::exists('contact', $condition)) {
dba::insert('manage', ['uid' => $user_id, 'mid' => local_user()]);
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}
}
goaway(System::baseUrl() . '/delegate');
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}
if ($a->argc > 2 && $a->argv[1] === 'remove' && intval($a->argv[2])) {
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// delegated admins can view but not change delegation permissions
if (x($_SESSION, 'submanage')) {
goaway(System::baseUrl() . '/delegate');
}
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dba::delete('manage', ['uid' => $a->argv[2], 'mid' => local_user()]);
goaway(System::baseUrl() . '/delegate');
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}
// These people can manage this account/page with full privilege
$full_managers = [];
$r = q("SELECT * FROM `user` WHERE `email` = '%s' AND `password` = '%s' ",
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dbesc($a->user['email']),
dbesc($a->user['password'])
);
if (DBM::is_result($r)) {
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$full_managers = $r;
}
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// find everybody that currently has delegated management to this account/page
$delegates = [];
$r = q("SELECT * FROM `user` WHERE `uid` IN (SELECT `uid` FROM `manage` WHERE `mid` = %d)",
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intval(local_user())
);
if (DBM::is_result($r)) {
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$delegates = $r;
}
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$uids = [];
foreach ($full_managers as $rr) {
$uids[] = $rr['uid'];
}
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foreach ($delegates as $rr) {
$uids[] = $rr['uid'];
}
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// find every contact who might be a candidate for delegation
$r = q("SELECT `nurl`
FROM `contact`
WHERE `self` = 0
AND SUBSTRING_INDEX(`nurl`, '/', 3) = '%s'
AND `uid` = %d
AND `network` = '%s' ",
dbesc(normalise_link(System::baseUrl())),
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intval(local_user()),
dbesc(NETWORK_DFRN)
);
if (!DBM::is_result($r)) {
notice(t('No potential page delegates located.') . EOL);
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return;
}
$nicknames = [];
foreach ($r as $rr) {
$nicknames[] = "'" . dbesc(basename($rr['nurl'])) . "'";
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}
$potentials = [];
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$nicks = implode(',', $nicknames);
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// get user records for all potential page delegates who are not already delegates or managers
$r = q("SELECT `uid`, `username`, `nickname` FROM `user` WHERE `nickname` IN ($nicks)");
if (DBM::is_result($r)) {
foreach ($r as $rr) {
if (!in_array($rr['uid'], $uids)) {
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$potentials[] = $rr;
}
}
}
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settings_init($a);
$o = replace_macros(get_markup_template('delegate.tpl'), [
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'$header' => t('Delegate Page Management'),
'$base' => System::baseUrl(),
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'$desc' => t('Delegates are able to manage all aspects of this account/page except for basic account settings. Please do not delegate your personal account to anybody that you do not trust completely.'),
'$head_managers' => t('Existing Page Managers'),
'$managers' => $full_managers,
'$head_delegates' => t('Existing Page Delegates'),
'$delegates' => $delegates,
'$head_potentials' => t('Potential Delegates'),
'$potentials' => $potentials,
'$remove' => t('Remove'),
'$add' => t('Add'),
'$none' => t('No entries.')
]);
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return $o;
}