Official Addons for the Friendica Communications Platform. (please note that this is a clone of the repository at github, issues are handled there)
You can not select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
 
 
 
 
 
 

205 lines
6.7 KiB

<?php
/**
* Name: Remote Permissions
* Description: Allow the recipients of private posts to see who else can see the post by clicking the lock icon
* Version: 1.0
* Author: Zach <https://f.shmuz.in/profile/techcity>
* Status: Unsupported
*/
use Friendica\Core\Hook;
use Friendica\Core\Renderer;
use Friendica\Database\DBA;
use Friendica\DI;
use Friendica\Util\Strings;
function remote_permissions_install() {
Hook::register('lockview_content', 'addon/remote_permissions/remote_permissions.php', 'remote_permissions_content');
Hook::register('addon_settings', 'addon/remote_permissions/remote_permissions.php', 'remote_permissions_settings');
Hook::register('addon_settings_post', 'addon/remote_permissions/remote_permissions.php', 'remote_permissions_settings_post');
}
function remote_permissions_settings(&$a,&$o) {
if(! local_user())
return;
$global = DI::config()->get("remote_perms", "global");
if($global == 1)
return;
/* Add our stylesheet to the page so we can make our settings look nice */
DI::page()['htmlhead'] .= '<link rel="stylesheet" type="text/css" href="' . DI::baseUrl()->get() . '/addon/remote_permissions/settings.css' . '" media="all" />' . "\r\n";
/* Get the current state of our config variable */
$remote_perms = DI::pConfig()->get(local_user(),'remote_perms','show');
/* Add some HTML to the existing form */
// $t = file_get_contents("addon/remote_permissions/settings.tpl" );
$t = Renderer::getMarkupTemplate("settings.tpl", "addon/remote_permissions/" );
$o .= Renderer::replaceMacros($t, [
'$remote_perms_title' => DI::l10n()->t('Remote Permissions Settings'),
'$remote_perms_label' => DI::l10n()->t('Allow recipients of your private posts to see the other recipients of the posts'),
'$checked' => (($remote_perms == 1) ? 'checked="checked"' : ''),
'$submit' => DI::l10n()->t('Save Settings')
]);
}
function remote_permissions_settings_post($a,$post) {
if(! local_user() || empty($_POST['remote-perms-submit']))
return;
DI::pConfig()->set(local_user(),'remote_perms','show',intval($_POST['remote-perms']));
}
function remote_permissions_content($a, $item_copy) {
if($item_copy['uid'] != local_user())
return;
if(DI::config()->get('remote_perms','global') == 0) {
// Admin has set Individual choice. We need to find
// the original poster. First, get the contact's info
$r = q("SELECT nick, url FROM contact WHERE id = %d LIMIT 1",
intval($item_copy['contact-id'])
);
if(! $r)
return;
// Find out if the contact lives here
$baseurl = DI::baseUrl()->get();
$baseurl = substr($baseurl, strpos($baseurl, '://') + 3);
if(strpos($r[0]['url'], $baseurl) === false)
return;
// The contact lives here. Get his/her user info
$nick = $r[0]['nick'];
$r = q("SELECT uid FROM user WHERE nickname = '%s' LIMIT 1",
DBA::escape($nick)
);
if(! $r)
return;
if(DI::pConfig()->get($r[0]['uid'],'remote_perms','show') == 0)
return;
}
if(($item_copy['private'] == 1) && (! strlen($item_copy['allow_cid'])) && (! strlen($item_copy['allow_gid']))
&& (! strlen($item_copy['deny_cid'])) && (! strlen($item_copy['deny_gid']))) {
$allow_names = [];
// Check for the original post here -- that's the only way
// to definitely get all of the recipients
if($item_copy['uri'] === $item_copy['parent-uri']) {
// Lockview for a top-level post
$r = q("SELECT allow_cid, allow_gid, deny_cid, deny_gid FROM item WHERE uri = '%s' AND type = 'wall' LIMIT 1",
DBA::escape($item_copy['uri'])
);
}
else {
// Lockview for a comment
$r = q("SELECT allow_cid, allow_gid, deny_cid, deny_gid FROM item WHERE uri = '%s'
AND parent = ( SELECT id FROM item WHERE uri = '%s' AND type = 'wall' ) LIMIT 1",
DBA::escape($item_copy['uri']),
DBA::escape($item_copy['parent-uri'])
);
}
if($r) {
$item = $r[0];
$aclFormatter = DI::aclFormatter();
$allowed_users = $aclFormatter->expand($item['allow_cid']);
$allowed_groups = $aclFormatter->expand($item['allow_gid']);
$deny_users = $aclFormatter->expand($item['deny_cid']);
$deny_groups = $aclFormatter->expand($item['deny_gid']);
$o = DI::l10n()->t('Visible to:') . '<br />';
$allow = [];
$deny = [];
if(count($allowed_groups)) {
$r = q("SELECT DISTINCT `contact-id` FROM group_member WHERE gid IN ( %s )",
DBA::escape(implode(', ', $allowed_groups))
);
foreach($r as $rr)
$allow[] = $rr['contact-id'];
}
$allow = array_unique($allow + $allowed_users);
if(count($deny_groups)) {
$r = q("SELECT DISTINCT `contact-id` FROM group_member WHERE gid IN ( %s )",
DBA::escape(implode(', ', $deny_groups))
);
foreach($r as $rr)
$deny[] = $rr['contact-id'];
}
$deny = $deny + $deny_users;
if($allow)
{
$r = q("SELECT name FROM contact WHERE id IN ( %s )",
DBA::escape(implode(', ', array_diff($allow, $deny)))
);
foreach($r as $rr)
$allow_names[] = $rr['name'];
}
}
else {
// We don't have the original post. Let's try for the next best thing:
// checking who else has the post on our own server. Note that comments
// that were sent to Diaspora and were relayed to others on our server
// will have different URIs than the original. We can match the GUID for
// those
$r = q("SELECT `uid` FROM item WHERE uri = '%s' OR guid = '%s'",
DBA::escape($item_copy['uri']),
DBA::escape($item_copy['guid'])
);
if(! $r)
return;
$allow = [];
foreach($r as $rr)
$allow[] = $rr['uid'];
$r = q("SELECT username FROM user WHERE uid IN ( %s )",
DBA::escape(implode(', ', $allow))
);
if(! $r)
return;
$o = DI::l10n()->t('Visible to') . ' (' . DI::l10n()->t('may only be a partial list') . '):<br />';
foreach($r as $rr)
$allow_names[] = $rr['username'];
}
// Sort the names alphabetically, case-insensitive
natcasesort($allow_names);
echo $o . implode(', ', $allow_names);
exit();
}
return;
}
function remote_permissions_addon_admin(&$a, &$o){
$t = Renderer::getMarkupTemplate( "admin.tpl", "addon/remote_permissions/" );
$o = Renderer::replaceMacros($t, [
'$submit' => DI::l10n()->t('Save Settings'),
'$global' => ['remotepermschoice', DI::l10n()->t('Global'), 1, DI::l10n()->t('The posts of every user on this server show the post recipients'), DI::config()->get('remote_perms', 'global') == 1],
'$individual' => ['remotepermschoice', DI::l10n()->t('Individual'), 2, DI::l10n()->t('Each user chooses whether his/her posts show the post recipients'), DI::config()->get('remote_perms', 'global') == 0]
]);
}
function remote_permissions_addon_admin_post(&$a){
$choice = (!empty($_POST['remotepermschoice']) ? Strings::escapeTags(trim($_POST['remotepermschoice'])) : '');
DI::config()->set('remote_perms','global',($choice == 1 ? 1 : 0));
}