383 lines
13 KiB
PHP
383 lines
13 KiB
PHP
<?php
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/**
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* ident_switch - Account switching handler.
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*
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* Manages switching between mail accounts, SMTP connection
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* configuration, and special folder assignments.
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*
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* Copyright (C) 2016-2022 Boris Gulay
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* Copyright (C) 2019 Christian Landvogt
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* Copyright (C) 2022 Mickael
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* Copyright (C) 2026 Gecka
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*
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* Original code licensed under GPL-3.0+.
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* New contributions licensed under AGPL-3.0+.
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*
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* @url https://github.com/Gecka-apps/ident_switch
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*/
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class IdentSwitchSwitcher
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{
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/**
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* Handle the account switch action (AJAX).
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*
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* Saves current account state to session, loads the target account's
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* IMAP/SMTP configuration, and redirects to INBOX.
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* When switching back to default (id=-1), restores the original session state.
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*/
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public function switch_account(): void
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{
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$rc = rcmail::get_instance();
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$my_postfix_len = strlen(ident_switch::MY_POSTFIX);
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$identId = rcube_utils::get_input_value('_ident-id', rcube_utils::INPUT_POST);
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$rc->session->remove('folders');
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$rc->session->remove('unseen_count');
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// Reset baseline for the target account so delta goes back to 0
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$this->reset_baseline($identId == -1 ? 0 : null, $rc, $identId);
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if ($identId == -1) {
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// Switch to main account
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ident_switch::write_log('Switching mailbox back to default.');
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// Restore everything with STORAGE*my_postfix
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foreach ($_SESSION as $k => $v) {
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if (str_starts_with(strtolower($k), 'storage') && str_ends_with($k, ident_switch::MY_POSTFIX)) {
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$realKey = substr($k, 0, -$my_postfix_len);
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$_SESSION[$realKey] = $_SESSION[$k];
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$rc->session->remove($k);
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}
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}
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$_SESSION['imap_delimiter'] = $_SESSION['imap_delimiter' . ident_switch::MY_POSTFIX] ?? '.';
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$_SESSION['username'] = $rc->user->data['username'];
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$_SESSION['password'] = $_SESSION['password' . ident_switch::MY_POSTFIX];
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$_SESSION['iid' . ident_switch::MY_POSTFIX] = -1;
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foreach (rcube_storage::$folder_types as $type) {
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$otherKey = $type . '_mbox' . ident_switch::MY_POSTFIX;
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if (isset($_SESSION[$otherKey])) {
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$rc->session->remove($otherKey);
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}
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}
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} else {
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$sql = 'SELECT imap_host, flags, imap_port, imap_delimiter, drafts_mbox, sent_mbox, junk_mbox, trash_mbox, username, password, iid FROM ' . $rc->db->table_name(ident_switch::TABLE) . ' WHERE id = ? AND user_id = ?';
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$q = $rc->db->query($sql, $identId, $rc->user->ID);
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$r = $rc->db->fetch_assoc($q);
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if (is_array($r)) {
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if (!$r['username']) {
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// Load email from identity
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$sql = 'SELECT email FROM ' . $rc->db->table_name('identities') . ' WHERE identity_id = ?';
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$q = $rc->db->query($sql, $r['iid']);
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$rIid = $rc->db->fetch_assoc($q);
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$r['username'] = $rIid['email'];
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}
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ident_switch::write_log("Switching mailbox to one for identity with ID = {$r['iid']} (username = '{$r['username']}').");
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if ($_SESSION['username'] === $rc->user->data['username']) {
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// If we are in default account now - save values
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foreach ($_SESSION as $k => $v) {
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if (str_starts_with(strtolower($k), 'storage') && !str_ends_with($k, ident_switch::MY_POSTFIX)) {
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if (!isset($_SESSION[$k . ident_switch::MY_POSTFIX])) {
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$_SESSION[$k . ident_switch::MY_POSTFIX] = $_SESSION[$k];
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}
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$rc->session->remove($k);
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}
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}
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foreach (['password', 'imap_delimiter'] as $k) {
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if (!isset($_SESSION[$k . ident_switch::MY_POSTFIX])) {
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$_SESSION[$k . ident_switch::MY_POSTFIX] = $_SESSION[$k];
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}
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$rc->session->remove($k);
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}
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}
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$def_port = 143;
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$ssl = null;
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if ($r['flags'] & ident_switch::DB_SECURE_IMAP_TLS) {
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$ssl = 'tls';
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}
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$port = $r['imap_port'] ?: $def_port;
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$host = $r['imap_host'] ?: 'localhost';
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if ($ssl && !str_starts_with(strtolower($host), "{$ssl}://")) {
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$host = "{$ssl}://" . $host;
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}
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$delimiter = $r['imap_delimiter'] ?: '.';
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$_SESSION['storage_host'] = $host;
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$_SESSION['storage_ssl'] = $ssl;
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$_SESSION['storage_port'] = $port;
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$_SESSION['imap_delimiter'] = $delimiter;
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$_SESSION['username'] = $r['username'];
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$_SESSION['password'] = $r['password'];
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$_SESSION['iid' . ident_switch::MY_POSTFIX] = $r['iid'];
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foreach (rcube_storage::$folder_types as $type) {
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if (!empty($r[$type . '_mbox'])) {
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$otherKey = $type . '_mbox' . ident_switch::MY_POSTFIX;
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$_SESSION[$otherKey] = $r[$type . '_mbox'];
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}
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}
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} else {
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ident_switch::write_log("Requested remote mailbox with ID = {$identId} not found.");
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return;
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}
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}
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$rc->output->redirect([
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'_task' => 'mail',
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'_mbox' => 'INBOX',
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]);
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}
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/**
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* Handle smtp_connect hook: configure SMTP settings for the active account.
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*
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* Loads SMTP host, port, credentials, and TLS settings from the database
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* for the currently selected identity.
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*
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* @param array $args Hook arguments containing SMTP connection parameters.
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* @return array Modified hook arguments with updated SMTP settings.
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*/
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public function configure_smtp(array $args): array
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{
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$iid = $_SESSION['iid' . ident_switch::MY_POSTFIX] ?? null;
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if (!is_numeric($iid) || $iid == -1) {
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ident_switch::write_log('no identity switch is selected... trying to find related smtp server from the from header');
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$requestFrom = rcube_utils::get_input_value('_from', rcube_utils::INPUT_POST);
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if (empty($requestFrom)) {
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ident_switch::write_log('no _from post parameter found... falling back to original default config');
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return $args;
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}
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$iid = intval($requestFrom);
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if ($iid === 0) {
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ident_switch::write_log('falling back to original default config as _from post field is no integer: ' . $_POST['_from']);
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return $args;
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}
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}
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$rc = rcmail::get_instance();
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$sql = 'SELECT smtp_host, flags, smtp_port, username, smtp_auth, password FROM ' . $rc->db->table_name(ident_switch::TABLE) . ' WHERE iid = ? AND user_id = ?';
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$q = $rc->db->query($sql, $iid, $rc->user->ID);
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$r = $rc->db->fetch_assoc($q);
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if (is_array($r)) {
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if (!$r['username']) {
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// Load email from identity
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$sql = 'SELECT email FROM ' . $rc->db->table_name('identities') . ' WHERE identity_id = ?';
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$q = $rc->db->query($sql, $iid);
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$rIid = $rc->db->fetch_assoc($q);
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$r['username'] = $rIid['email'];
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}
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$args['smtp_user'] = $r['username'];
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$args['smtp_pass'] = $r['smtp_auth'] == ident_switch::SMTP_AUTH_IMAP ? $rc->decrypt($r['password']) : '';
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// In RC 1.6+ smtp_server was renamed to smtp_host and includes port
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$smtpHost = $r['smtp_host'] ?: 'localhost';
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if ($r['flags'] & ident_switch::DB_SECURE_IMAP_TLS) {
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if (str_contains($smtpHost, ':')) {
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ident_switch::write_log('SMTP server already contains protocol, ignoring TLS flag.');
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} else {
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$smtpHost = 'tls://' . $smtpHost;
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}
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}
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$smtpPort = $r['smtp_port'] ?: 587;
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$args['smtp_host'] = $smtpHost . ':' . $smtpPort;
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}
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return $args;
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}
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/**
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* Handle managesieve_connect hook: configure Sieve settings for the active account.
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*
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* Loads Sieve host, port, and credentials from the database
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* for the currently selected identity.
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*
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* @param array $args Hook arguments containing Sieve connection parameters.
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* @return array Modified hook arguments with updated Sieve settings.
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*/
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public function configure_managesieve(array $args): array
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{
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$iid = $_SESSION['iid' . ident_switch::MY_POSTFIX] ?? null;
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if (!is_numeric($iid) || $iid == -1) {
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return $args;
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}
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$rc = rcmail::get_instance();
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$sql = 'SELECT sieve_host, sieve_port, sieve_auth, username, password FROM ' . $rc->db->table_name(ident_switch::TABLE) . ' WHERE iid = ? AND user_id = ?';
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$q = $rc->db->query($sql, $iid, $rc->user->ID);
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$r = $rc->db->fetch_assoc($q);
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if (is_array($r) && !empty($r['sieve_host'])) {
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if (!$r['username']) {
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$sql = 'SELECT email FROM ' . $rc->db->table_name('identities') . ' WHERE identity_id = ?';
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$q = $rc->db->query($sql, $iid);
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$rIid = $rc->db->fetch_assoc($q);
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$r['username'] = $rIid['email'];
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}
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$sieveHost = $r['sieve_host'];
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$sievePort = $r['sieve_port'] ?: 4190;
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$args['host'] = $sieveHost . ':' . $sievePort;
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if ($r['sieve_auth'] == ident_switch::SIEVE_AUTH_IMAP) {
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$args['user'] = $r['username'];
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$args['password'] = $rc->decrypt($r['password']);
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} else {
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$args['user'] = '';
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$args['password'] = '';
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}
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}
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return $args;
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}
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/**
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* Handle preferences_list hook: customize special folders form for remote accounts.
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*
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* When viewing folder preferences while impersonating, shows the remote account's
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* special folder assignments instead of the default ones.
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*
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* @param array $args Hook arguments containing 'section' and 'blocks' with form data.
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* @return array Modified hook arguments with updated folder selections.
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*/
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public function get_special_folders_form(array $args): array
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{
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$rc = rcmail::get_instance();
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if ($args['section'] === 'folders'
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&& strcasecmp($rc->user->data['username'], $_SESSION['username']) !== 0
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) {
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$no_override = array_flip((array)$rc->config->get('dont_override'));
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$onchange = "if ($(this).val() == 'INBOX') $(this).val('')";
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$select = $rc->folder_selector([
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'noselection' => '---',
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'realnames' => true,
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'maxlength' => 30,
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'folder_filter' => 'mail',
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'folder_rights' => 'w',
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]);
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$sql = 'SELECT label FROM ' . $rc->db->table_name(ident_switch::TABLE) . ' WHERE iid = ? AND user_id = ?';
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$q = $rc->db->query($sql, $_SESSION['iid' . ident_switch::MY_POSTFIX], $rc->user->ID);
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$r = $rc->db->fetch_assoc($q);
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$args['blocks']['main']['name'] .= ' (' . ($r['label'] ? rcube::Q($rc->gettext('server')) . ': ' . $r['label'] : 'remote') . ')';
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foreach (rcube_storage::$folder_types as $type) {
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if (isset($no_override[$type . '_mbox'])) {
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continue;
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}
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$defaultKey = $type . '_mbox_default' . ident_switch::MY_POSTFIX;
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$otherKey = $type . '_mbox' . ident_switch::MY_POSTFIX;
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$selected = $_SESSION[$otherKey] ?? $_SESSION[$defaultKey] ?? '';
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$attr = ['id' => '_' . $type . '_mbox', 'name' => '_' . $type . '_mbox', 'onchange' => $onchange];
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$args['blocks']['main']['options'][$type . '_mbox']['content'] = $select->show($selected, $attr);
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}
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}
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return $args;
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}
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/**
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* Handle preferences_save hook: persist special folder assignments for remote accounts.
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*
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* Saves folder preferences to the plugin's database table instead of the default
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* Roundcube preferences when impersonating a remote account.
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*
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* @param array $args Hook arguments containing 'section' and 'prefs' with folder data.
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* @return array Modified hook arguments, with 'abort' set to prevent default save.
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*/
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public function save_special_folders(array $args): array
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{
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$rc = rcmail::get_instance();
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if ($args['section'] === 'folders'
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&& strcasecmp($rc->user->data['username'], $_SESSION['username']) !== 0
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) {
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$sql = 'SELECT id FROM ' . $rc->db->table_name(ident_switch::TABLE) . ' WHERE iid = ? AND user_id = ?';
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$q = $rc->db->query($sql, $_SESSION['iid' . ident_switch::MY_POSTFIX], $rc->user->ID);
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$r = $rc->db->fetch_assoc($q);
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if ($r) {
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$sql = 'UPDATE ' .
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$rc->db->table_name(ident_switch::TABLE) .
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' SET drafts_mbox = ?, sent_mbox = ?, junk_mbox = ?, trash_mbox = ?' .
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' WHERE id = ?';
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$rc->db->query(
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$sql,
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$args['prefs']['drafts_mbox'],
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$args['prefs']['sent_mbox'],
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$args['prefs']['junk_mbox'],
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$args['prefs']['trash_mbox'],
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$r['id']
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);
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// Abort to prevent RC from saving prefs to default storage
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$args['abort'] = true;
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$args['result'] = true;
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foreach (rcube_storage::$folder_types as $type) {
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if (!empty($args['prefs'][$type . '_mbox'])) {
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$otherKey = $type . '_mbox' . ident_switch::MY_POSTFIX;
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$_SESSION[$otherKey] = $args['prefs'][$type . '_mbox'];
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}
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}
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return $args;
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}
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$args['abort'] = true;
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$args['result'] = false;
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return $args;
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}
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foreach (rcube_storage::$folder_types as $type) {
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if (!empty($args['prefs'][$type . '_mbox'])) {
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$key = $type . '_mbox_default' . ident_switch::MY_POSTFIX;
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$_SESSION[$key] = $args['prefs'][$type . '_mbox'];
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}
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}
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return $args;
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}
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/**
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* Reset the baseline for a target account so delta display resets to 0.
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*
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* For primary account (identId=-1), iid is 0.
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* For secondary accounts, look up iid from the ident_switch table.
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*
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* @param int|null $iid Known iid (0 for primary), or null to look up.
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* @param rcmail $rc Roundcube instance.
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* @param mixed $identId The ident_switch.id value for secondary accounts.
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*/
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private function reset_baseline(?int $iid, rcmail $rc, mixed $identId): void
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{
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if ($iid === null) {
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// Look up iid from ident_switch table for secondary account
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$sql = 'SELECT iid FROM ' . $rc->db->table_name(ident_switch::TABLE) . ' WHERE id = ? AND user_id = ?';
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$q = $rc->db->query($sql, $identId, $rc->user->ID);
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$r = $rc->db->fetch_assoc($q);
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if (!$r) {
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return;
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}
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$iid = (int)$r['iid'];
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}
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$counts = $_SESSION['ident_switch_counts'] ?? [];
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if (isset($counts[$iid])) {
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unset($counts[$iid]['baseline']);
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$_SESSION['ident_switch_counts'] = $counts;
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}
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}
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}
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