--- /dev/null
+<?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>
+ *
+ */
+
+
+function remote_permissions_install() {
+ register_hook('lockview_content', 'addon/remote_permissions/remote_permissions.php', 'remote_permissions_content');
+ register_hook('plugin_settings', 'addon/remote_permissions/remote_permissions.php', 'remote_permissions_settings');
+ register_hook('plugin_settings_post', 'addon/remote_permissions/remote_permissions.php', 'remote_permissions_settings_post');
+}
+
+function remote_permissions_uninstall() {
+ unregister_hook('lockview_content', 'addon/remote_permissions/remote_permissions.php', 'remote_permissions_content');
+ unregister_hook('plugin_settings', 'addon/remote_permissions/remote_permissions.php', 'remote_permissions_settings');
+ unregister_hook('plugin_settings_post', 'addon/remote_permissions/remote_permissions.php', 'remote_permissions_settings_post');
+}
+
+function remote_permissions_settings(&$a,&$o) {
+
+ if(! local_user())
+ return;
+
+ $global = get_config("remote_perms", "global");
+ if($global == 1)
+ return;
+
+ /* Add our stylesheet to the page so we can make our settings look nice */
+
+ $a->page['htmlhead'] .= '<link rel="stylesheet" type="text/css" href="' . $a->get_baseurl() . '/addon/remote_permissions/settings.css' . '" media="all" />' . "\r\n";
+
+ /* Get the current state of our config variable */
+
+ $remote_perms = get_pconfig(local_user(),'remote_perms','show');
+
+ /* Add some HTML to the existing form */
+
+ $t = file_get_contents( $a->get_baseurl() . "/addon/remote_permissions/settings.tpl" );
+ $o .= replace_macros($t, array(
+ '$remote_perms_title' => t('Remote Permissions Settings'),
+ '$remote_perms_label' => t('Allow recipients of your private posts to see the other recipients of the posts'),
+ '$checked' => (($remote_perms == 1) ? 'checked="checked"' : ''),
+ '$submit' => t('Submit')
+ ));
+
+}
+
+function remote_permissions_settings_post($a,$post) {
+ if(! local_user() || (! x($_POST,'remote-perms-submit')))
+ return;
+
+ set_pconfig(local_user(),'remote_perms','show',intval($_POST['remote-perms']));
+ info( t('Remote Permissions settings updated.') . EOL);
+}
+
+function remote_permissions_content($a, $item_copy) {
+
+ if($item_copy['uid'] != local_user())
+ return;
+
+ if(get_config('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 = $a->get_baseurl();
+ $baseurl = substr($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'];
+ $r = q("SELECT uid FROM user WHERE nickname = '%s' LIMIT 1",
+ dbesc($nick)
+ );
+ if(! $r)
+ return;
+
+ if(get_pconfig($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']))) {
+
+ $allow_names = array();
+
+ // Check for the original post here -- that's the only way
+ // to definitely get all of the recipients
+
+ if($item_copy['uri'] === $item_copy['parent-uri']) {
+ // Lockview for a top-level post
+ $r = q("SELECT allow_cid, allow_gid, deny_cid, deny_gid FROM item WHERE uri = '%s' AND type = 'wall' LIMIT 1",
+ dbesc($item_copy['uri'])
+ );
+ }
+ else {
+ // Lockview for a comment
+ $r = q("SELECT allow_cid, allow_gid, deny_cid, deny_gid FROM item WHERE uri = '%s'
+ AND parent = ( SELECT id FROM item WHERE uri = '%s' AND type = 'wall' ) LIMIT 1",
+ dbesc($item_copy['uri']),
+ dbesc($item_copy['parent-uri'])
+ );
+ }
+ if($r) {
+
+ $item = $r[0];
+
+ $allowed_users = expand_acl($item['allow_cid']);
+ $allowed_groups = expand_acl($item['allow_gid']);
+ $deny_users = expand_acl($item['deny_cid']);
+ $deny_groups = expand_acl($item['deny_gid']);
+
+ $o = t('Visible to:') . '<br />';
+ $allow = array();
+ $deny = array();
+
+ if(count($allowed_groups)) {
+ $r = q("SELECT DISTINCT `contact-id` FROM group_member WHERE gid IN ( %s )",
+ dbesc(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 )",
+ dbesc(implode(', ', $deny_groups))
+ );
+ foreach($r as $rr)
+ $deny[] = $rr['contact-id'];
+ }
+ $deny = $deny + $deny_users;
+
+ if($allow)
+ {
+ $r = q("SELECT name FROM contact WHERE id IN ( %s )",
+ dbesc(implode(', ', array_diff($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
+ $r = q("SELECT `uid` FROM item WHERE uri = '%s' OR guid = '%s'",
+ dbesc($item_copy['uri']),
+ dbesc($item_copy['guid'])
+ );
+ if(! $r)
+ return;
+
+ $allow = array();
+ foreach($r as $rr)
+ $allow[] = $rr['uid'];
+
+ $r = q("SELECT username FROM user WHERE uid IN ( %s )",
+ dbesc(implode(', ', $allow))
+ );
+ if(! $r)
+ return;
+
+ $o = t('Visible to') . ' (' . t('may only be a partial list') . '):<br />';
+
+ foreach($r as $rr)
+ $allow_names[] = $rr['username'];
+ }
+
+ // Sort the names alphabetically, case-insensitive
+ natcasesort($allow_names);
+ echo $o . implode(', ', $allow_names);
+ killme();
+ }
+
+ return;
+}
+
+function remote_permissions_plugin_admin(&$a, &$o){
+ $t = file_get_contents( $a->get_baseurl() . "/addon/remote_permissions/admin.tpl" );
+ $o = replace_macros($t, array(
+ '$submit' => t('Submit'),
+ '$global' => array('remotepermschoice', t('Global'), 1, t('The posts of every user on this server show the post recipients'), get_config('remote_perms', 'global') == 1),
+ '$individual' => array('remotepermschoice', t('Individual'), 2, t('Each user chooses whether his/her posts show the post recipients'), get_config('remote_perms', 'global') == 0)
+ ));
+}
+
+function remote_permissions_plugin_admin_post(&$a){
+ $choice = ((x($_POST,'remotepermschoice')) ? notags(trim($_POST['remotepermschoice'])) : '');
+ set_config('remote_perms','global',($choice == 1 ? 1 : 0));
+ info( t('Settings updated.'). EOL );
+}
+
projects / friendica-addons.git / commitdiff