1134 lines
38 KiB
PHP
1134 lines
38 KiB
PHP
<?php
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namespace app\api\controller;
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use think\Db;
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use think\Env;
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use PHPMailer\PHPMailer;
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use think\Validate;
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class EmailClient extends Base
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{
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// ==================== SMTP Account Management ====================
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/**
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* Get SMTP accounts for a journal
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* Params: journal_id
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*/
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public function getAccounts()
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{
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$journalId = intval($this->request->param('journal_id', 0));
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if (!$journalId) {
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return jsonError('journal_id is required');
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}
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$list = Db::name('journal_email')
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->where('journal_id', $journalId)
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->order('state asc, j_email_id asc')
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->select();
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foreach ($list as &$item) {
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$item['smtp_password'] = '******';
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$item['remaining_today'] = max(0, $item['daily_limit'] - $item['today_sent']);
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}
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return jsonSuccess($list);
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}
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/**
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* Add SMTP account
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*/
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public function addAccount()
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{
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$data = $this->request->post();
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if (empty($data['journal_id']) || empty($data['smtp_host']) || empty($data['smtp_user']) || empty($data['smtp_password'])) {
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return jsonError('journal_id, smtp_host, smtp_user, smtp_password are required');
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}
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$count = Db::name('journal_email')
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->where('journal_id', intval($data['journal_id']))
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->where('state', 0)
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->count();
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if ($count >= 4) {
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return jsonError('Each journal allows at most 4 SMTP accounts');
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}
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$insert = [
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'journal_id' => intval($data['journal_id']),
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'smtp_host' => trim($data['smtp_host']),
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'smtp_port' => intval($data['smtp_port'] ?? 465),
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'smtp_user' => trim($data['smtp_user']),
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'smtp_password' => trim($data['smtp_password']),
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'smtp_encryption' => in_array($data['smtp_encryption'] ?? 'ssl', ['ssl', 'tls']) ? $data['smtp_encryption'] : 'ssl',
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'smtp_from_name' => trim($data['smtp_from_name'] ?? ''),
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'daily_limit' => intval($data['daily_limit'] ?? 100),
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'today_sent' => 0,
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'imap_host' => trim($data['imap_host'] ?? ''),
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'imap_port' => intval($data['imap_port'] ?? 993),
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'last_uid' => 0,
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'state' => 0,
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];
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$id = Db::name('journal_email')->insertGetId($insert);
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return jsonSuccess(['j_email_id' => $id]);
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}
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/**
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* Update SMTP account
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*/
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public function updateAccount()
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{
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$data = $this->request->post();
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$id = intval($data['j_email_id'] ?? 0);
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if (!$id) {
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return jsonError('j_email_id is required');
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}
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$account = Db::name('journal_email')->where('j_email_id', $id)->find();
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if (!$account) {
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return jsonError('Account not found');
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}
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$update = [];
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$fields = ['smtp_host', 'smtp_port', 'smtp_user', 'smtp_password', 'smtp_encryption', 'smtp_from_name', 'daily_limit', 'imap_host', 'imap_port', 'state'];
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foreach ($fields as $field) {
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if (isset($data[$field])) {
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$update[$field] = $data[$field];
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}
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}
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if (isset($update['smtp_port'])) {
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$update['smtp_port'] = intval($update['smtp_port']);
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}
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if (isset($update['imap_port'])) {
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$update['imap_port'] = intval($update['imap_port']);
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}
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if (isset($update['daily_limit'])) {
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$update['daily_limit'] = intval($update['daily_limit']);
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}
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if (isset($update['state'])) {
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$update['state'] = intval($update['state']);
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}
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if (isset($update['smtp_encryption']) && !in_array($update['smtp_encryption'], ['ssl', 'tls'])) {
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$update['smtp_encryption'] = 'ssl';
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}
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if (empty($update)) {
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return jsonError('No fields to update');
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}
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Db::name('journal_email')->where('j_email_id', $id)->update($update);
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return jsonSuccess(['j_email_id' => $id]);
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}
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/**
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* Delete SMTP account
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*/
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public function deleteAccount()
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{
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$id = intval($this->request->param('j_email_id', 0));
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if (!$id) {
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return jsonError('j_email_id is required');
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}
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Db::name('journal_email')->where('j_email_id', $id)->delete();
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return jsonSuccess(['deleted' => $id]);
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}
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/**
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* Test SMTP connection
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*/
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public function testAccount()
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{
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$id = intval($this->request->param('j_email_id', 0));
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$testEmail = trim($this->request->param('test_email', ''));
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if (!$id) {
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return jsonError('j_email_id is required');
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}
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if (empty($testEmail)) {
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return jsonError('test_email is required');
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}
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$account = Db::name('journal_email')->where('j_email_id', $id)->find();
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if (!$account) {
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return jsonError('Account not found');
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}
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$result = $this->doSendEmail($account, $testEmail, 'SMTP Test', '<p>This is a test email from your journal system.</p>');
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if ($result['status'] === 1) {
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return jsonSuccess(['msg' => 'Test email sent successfully']);
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} else {
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return jsonError('Send failed: ' . $result['data']);
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}
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}
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// ==================== Email Sending ====================
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/**
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* Send a single email using a specific journal's SMTP
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* Params: journal_id, to_email, subject, content, j_email_id(optional, auto-select if empty)
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*/
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public function sendOne()
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{
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$journalId = intval($this->request->param('journal_id', 0));
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$toEmail = trim($this->request->param('to_email', ''));
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$subject = trim($this->request->param('subject', ''));
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$content = $this->request->param('content', '');
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$accountId = intval($this->request->param('j_email_id', 0));
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if (!$journalId || empty($toEmail) || empty($subject) || empty($content)) {
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return jsonError('journal_id, to_email, subject, content are required');
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}
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if ($accountId) {
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$account = Db::name('journal_email')
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->where('j_email_id', $accountId)
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->where('journal_id', $journalId)
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->where('state', 0)
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->find();
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} else {
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$account = $this->pickSmtpAccount($journalId);
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}
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if (!$account) {
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return jsonError('No available SMTP account (all disabled or daily limit reached)');
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}
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$this->resetDailyCountIfNeeded($account);
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if ($account['today_sent'] >= $account['daily_limit']) {
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$account = $this->pickSmtpAccount($journalId);
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if (!$account) {
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return jsonError('All SMTP accounts have reached daily limit');
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}
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}
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$result = $this->doSendEmail($account, $toEmail, $subject, $content);
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if ($result['status'] === 1) {
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Db::name('journal_email')->where('j_email_id', $account['j_email_id'])->setInc('today_sent');
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return jsonSuccess([
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'msg' => 'Email sent',
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'from' => $account['smtp_user'],
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'to' => $toEmail,
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'j_email_id' => $account['j_email_id'],
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]);
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} else {
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return jsonError('Send failed: ' . $result['data']);
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}
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}
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/**
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* Send batch emails to multiple experts
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* Params: journal_id, expert_ids (comma separated), subject, content
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* Content supports variables: {name}, {email}, {affiliation}
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*/
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public function sendBatch()
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{
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$journalId = intval($this->request->param('journal_id', 0));
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$expertIds = trim($this->request->param('expert_ids', ''));
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$subject = trim($this->request->param('subject', ''));
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$content = $this->request->param('content', '');
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if (!$journalId || empty($expertIds) || empty($subject) || empty($content)) {
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return jsonError('journal_id, expert_ids, subject, content are required');
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}
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$ids = array_map('intval', explode(',', $expertIds));
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$experts = Db::name('expert')->where('expert_id', 'in', $ids)->where('state', 0)->select();
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if (empty($experts)) {
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return jsonError('No valid experts found (state must be 0)');
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}
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$sent = 0;
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$failed = 0;
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$skipped = 0;
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$errors = [];
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foreach ($experts as $expert) {
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$account = $this->pickSmtpAccount($journalId);
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if (!$account) {
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$skipped += (count($experts) - $sent - $failed);
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$errors[] = 'All SMTP accounts reached daily limit, stopped at #' . ($sent + $failed + 1);
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break;
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}
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$personalContent = $this->replaceVariables($content, $expert);
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$personalSubject = $this->replaceVariables($subject, $expert);
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$result = $this->doSendEmail($account, $expert['email'], $personalSubject, $personalContent);
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if ($result['status'] === 1) {
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Db::name('journal_email')->where('j_email_id', $account['j_email_id'])->setInc('today_sent');
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Db::name('expert')->where('expert_id', $expert['expert_id'])->update(['state' => 1]);
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$sent++;
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} else {
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$failed++;
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$errors[] = $expert['email'] . ': ' . $result['data'];
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}
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$delay = rand(30, 60);
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sleep($delay);
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}
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return jsonSuccess([
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'sent' => $sent,
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'failed' => $failed,
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'skipped' => $skipped,
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'errors' => $errors,
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]);
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}
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/**
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* Get sending stats for a journal
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*/
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public function getStats()
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{
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$journalId = intval($this->request->param('journal_id', 0));
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if (!$journalId) {
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return jsonError('journal_id is required');
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}
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$accounts = Db::name('journal_email')
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->where('journal_id', $journalId)
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->where('state', 0)
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->select();
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$totalLimit = 0;
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$totalSent = 0;
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$details = [];
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foreach ($accounts as $acc) {
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$this->resetDailyCountIfNeeded($acc);
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$totalLimit += $acc['daily_limit'];
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$totalSent += $acc['today_sent'];
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$details[] = [
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'j_email_id' => $acc['j_email_id'],
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'smtp_user' => $acc['smtp_user'],
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'daily_limit' => $acc['daily_limit'],
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'today_sent' => $acc['today_sent'],
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'remaining' => max(0, $acc['daily_limit'] - $acc['today_sent']),
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];
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}
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return jsonSuccess([
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'total_daily_limit' => $totalLimit,
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'total_today_sent' => $totalSent,
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'total_remaining' => max(0, $totalLimit - $totalSent),
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'accounts' => $details,
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]);
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}
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/**
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* Reset daily sent count (called by cron or manually)
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*/
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public function resetDailyCount()
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{
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$journalId = intval($this->request->param('journal_id', 0));
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if ($journalId) {
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$count = Db::name('journal_email')
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->where('journal_id', $journalId)
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->update(['today_sent' => 0]);
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} else {
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$count = Db::name('journal_email')->update(['today_sent' => 0]);
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}
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return jsonSuccess(['reset_count' => $count]);
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}
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// ==================== Inbox - Sync ====================
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/**
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* Sync emails from IMAP to local database
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* Params: j_email_id (single account) or journal_id (all accounts)
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*/
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public function syncInbox()
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{
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$accountId = intval($this->request->param('j_email_id', 0));
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$journalId = intval($this->request->param('journal_id', 0));
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if (!$accountId && !$journalId) {
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return jsonError('j_email_id or journal_id is required');
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}
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set_time_limit(300);
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if ($accountId) {
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$accounts = Db::name('journal_email')->where('j_email_id', $accountId)->where('state', 0)->select();
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} else {
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$accounts = Db::name('journal_email')->where('journal_id', $journalId)->where('state', 0)->select();
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}
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$report = [];
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foreach ($accounts as $account) {
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$report[] = $this->doSyncAccount($account);
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}
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return jsonSuccess(['report' => $report]);
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}
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private function doSyncAccount($account)
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{
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if (empty($account['imap_host'])) {
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return ['j_email_id' => $account['j_email_id'], 'error' => 'IMAP not configured'];
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}
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$imap = $this->connectImap($account);
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if (!$imap) {
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return ['j_email_id' => $account['j_email_id'], 'error' => 'IMAP connection failed'];
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}
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$lastUid = intval($account['last_uid']);
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$synced = 0;
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$bounced = 0;
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$maxUid = $lastUid;
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try {
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if ($lastUid > 0) {
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$searchRange = ($lastUid + 1) . ':*';
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$emails = imap_fetch_overview($imap, $searchRange, FT_UID);
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} else {
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$emails = imap_fetch_overview($imap, '1:*', FT_UID);
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}
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if (!$emails) {
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$emails = [];
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}
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foreach ($emails as $overview) {
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$uid = intval($overview->uid);
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if ($uid <= $lastUid) {
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continue;
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}
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$messageId = isset($overview->message_id) ? trim($overview->message_id) : '';
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if ($messageId && Db::name('email_inbox')->where('message_id', $messageId)->find()) {
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if ($uid > $maxUid) $maxUid = $uid;
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continue;
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}
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$header = imap_fetchheader($imap, $uid, FT_UID);
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$struct = imap_fetchstructure($imap, $uid, FT_UID);
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$body = $this->getEmailBody($imap, $uid, $struct);
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$fromParts = isset($overview->from) ? $this->parseAddress($overview->from) : ['email' => '', 'name' => ''];
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$subject = isset($overview->subject) ? $this->decodeMimeStr($overview->subject) : '';
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$toEmail = isset($overview->to) ? $this->parseAddress($overview->to)['email'] : $account['smtp_user'];
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$emailDate = isset($overview->date) ? strtotime($overview->date) : time();
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if (!$emailDate) $emailDate = time();
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$hasAttachment = $this->checkAttachment($struct);
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$isBounce = $this->detectBounce($fromParts['email'], $subject, $header);
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$bounceEmail = '';
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if ($isBounce) {
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$bounceEmail = $this->extractBounceRecipient($body['text'], $header);
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if ($bounceEmail) {
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Db::name('expert')->where('email', strtolower($bounceEmail))->update(['state' => 4]);
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$bounced++;
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}
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}
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$insert = [
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'j_email_id' => $account['j_email_id'],
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'journal_id' => $account['journal_id'],
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'message_id' => mb_substr($messageId, 0, 255),
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'uid' => $uid,
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'from_email' => mb_substr($fromParts['email'], 0, 255),
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'from_name' => mb_substr($fromParts['name'], 0, 255),
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'to_email' => mb_substr($toEmail, 0, 255),
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'subject' => mb_substr($subject, 0, 512),
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'content_html' => $body['html'],
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'content_text' => $body['text'],
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'email_date' => $emailDate,
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'has_attachment' => $hasAttachment ? 1 : 0,
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'is_read' => 0,
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'is_starred' => 0,
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'is_bounce' => $isBounce ? 1 : 0,
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'bounce_email' => mb_substr($bounceEmail, 0, 128),
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'folder' => 'INBOX',
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'ctime' => time(),
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'state' => 0,
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];
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try {
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Db::name('email_inbox')->insert($insert);
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$synced++;
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} catch (\Exception $e) {
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// skip duplicate
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}
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if ($uid > $maxUid) {
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$maxUid = $uid;
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}
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}
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if ($maxUid > $lastUid) {
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Db::name('journal_email')->where('j_email_id', $account['j_email_id'])->update(['last_uid' => $maxUid]);
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}
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} catch (\Exception $e) {
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imap_close($imap);
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return ['j_email_id' => $account['j_email_id'], 'error' => $e->getMessage()];
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}
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imap_close($imap);
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return [
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'j_email_id' => $account['j_email_id'],
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'smtp_user' => $account['smtp_user'],
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'synced' => $synced,
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'bounced' => $bounced,
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'last_uid' => $maxUid,
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];
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}
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|
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// ==================== Inbox - Read ====================
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/**
|
|
* Get inbox list with pagination and filtering
|
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*/
|
|
public function getInboxList()
|
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{
|
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$journalId = intval($this->request->param('journal_id', 0));
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$accountId = intval($this->request->param('j_email_id', 0));
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$isRead = $this->request->param('is_read', '-1');
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$isBounce = $this->request->param('is_bounce', '-1');
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$keyword = trim($this->request->param('keyword', ''));
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$folder = trim($this->request->param('folder', 'INBOX'));
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$page = max(1, intval($this->request->param('page', 1)));
|
|
$perPage = max(1, min(intval($this->request->param('per_page', 20)), 100));
|
|
|
|
$where = ['state' => 0, 'folder' => $folder];
|
|
|
|
if ($accountId) {
|
|
$where['j_email_id'] = $accountId;
|
|
} elseif ($journalId) {
|
|
$where['journal_id'] = $journalId;
|
|
} else {
|
|
return jsonError('j_email_id or journal_id is required');
|
|
}
|
|
|
|
if ($isRead !== '-1' && $isRead !== '') {
|
|
$where['is_read'] = intval($isRead);
|
|
}
|
|
if ($isBounce !== '-1' && $isBounce !== '') {
|
|
$where['is_bounce'] = intval($isBounce);
|
|
}
|
|
|
|
$query = Db::name('email_inbox')->where($where);
|
|
if ($keyword !== '') {
|
|
$query->where('from_email|from_name|subject', 'like', '%' . $keyword . '%');
|
|
}
|
|
|
|
$total = Db::name('email_inbox')->where($where)->count();
|
|
$list = $query
|
|
->field('inbox_id,j_email_id,from_email,from_name,to_email,subject,email_date,has_attachment,is_read,is_starred,is_bounce,bounce_email,ctime')
|
|
->order('email_date desc')
|
|
->page($page, $perPage)
|
|
->select();
|
|
|
|
return jsonSuccess([
|
|
'list' => $list,
|
|
'total' => $total,
|
|
'page' => $page,
|
|
'per_page' => $perPage,
|
|
'total_pages' => $total > 0 ? ceil($total / $perPage) : 0,
|
|
]);
|
|
}
|
|
|
|
public function getOneEmail(){
|
|
$data = $this->request->post();
|
|
$rule = new Validate([
|
|
"j_email_id"
|
|
]);
|
|
if(!$rule->check($data)){
|
|
return jsonError($rule->getError());
|
|
}
|
|
$email_info = DB::name("journal_email")->where("j_email_id",$data['j_email_id'])->find();
|
|
$re['email'] = $email_info;
|
|
return jsonSuccess($re);
|
|
}
|
|
|
|
/**
|
|
* Get single email detail
|
|
*/
|
|
public function getEmailDetail()
|
|
{
|
|
$inboxId = intval($this->request->param('inbox_id', 0));
|
|
if (!$inboxId) {
|
|
return jsonError('inbox_id is required');
|
|
}
|
|
|
|
$email = Db::name('email_inbox')->where('inbox_id', $inboxId)->where('state', 0)->find();
|
|
if (!$email) {
|
|
return jsonError('Email not found');
|
|
}
|
|
|
|
if (!$email['is_read']) {
|
|
Db::name('email_inbox')->where('inbox_id', $inboxId)->update(['is_read' => 1]);
|
|
$email['is_read'] = 1;
|
|
}
|
|
|
|
return jsonSuccess($email);
|
|
}
|
|
|
|
/**
|
|
* Get unread count
|
|
*/
|
|
public function getUnreadCount()
|
|
{
|
|
$journalId = intval($this->request->param('journal_id', 0));
|
|
$accountId = intval($this->request->param('j_email_id', 0));
|
|
|
|
$where = ['state' => 0, 'is_read' => 0, 'folder' => 'INBOX'];
|
|
|
|
if ($accountId) {
|
|
$where['j_email_id'] = $accountId;
|
|
} elseif ($journalId) {
|
|
$where['journal_id'] = $journalId;
|
|
} else {
|
|
return jsonError('j_email_id or journal_id is required');
|
|
}
|
|
|
|
$total = Db::name('email_inbox')->where($where)->count();
|
|
$bounce = Db::name('email_inbox')->where($where)->where('is_bounce', 1)->count();
|
|
|
|
return jsonSuccess([
|
|
'unread' => $total,
|
|
'unread_bounce' => $bounce,
|
|
]);
|
|
}
|
|
|
|
// ==================== Inbox - Actions ====================
|
|
|
|
/**
|
|
* Mark emails as read/unread
|
|
* Params: inbox_ids (comma separated), is_read (0 or 1)
|
|
*/
|
|
public function markRead()
|
|
{
|
|
$ids = trim($this->request->param('inbox_ids', ''));
|
|
$isRead = intval($this->request->param('is_read', 1));
|
|
|
|
if (empty($ids)) {
|
|
return jsonError('inbox_ids is required');
|
|
}
|
|
|
|
$idArr = array_map('intval', explode(',', $ids));
|
|
$count = Db::name('email_inbox')->where('inbox_id', 'in', $idArr)->update(['is_read' => $isRead ? 1 : 0]);
|
|
|
|
return jsonSuccess(['updated' => $count]);
|
|
}
|
|
|
|
/**
|
|
* Star/unstar emails
|
|
*/
|
|
public function markStar()
|
|
{
|
|
$ids = trim($this->request->param('inbox_ids', ''));
|
|
$isStarred = intval($this->request->param('is_starred', 1));
|
|
|
|
if (empty($ids)) {
|
|
return jsonError('inbox_ids is required');
|
|
}
|
|
|
|
$idArr = array_map('intval', explode(',', $ids));
|
|
$count = Db::name('email_inbox')->where('inbox_id', 'in', $idArr)->update(['is_starred' => $isStarred ? 1 : 0]);
|
|
|
|
return jsonSuccess(['updated' => $count]);
|
|
}
|
|
|
|
/**
|
|
* Delete emails (soft delete)
|
|
*/
|
|
public function deleteEmail()
|
|
{
|
|
$ids = trim($this->request->param('inbox_ids', ''));
|
|
if (empty($ids)) {
|
|
return jsonError('inbox_ids is required');
|
|
}
|
|
|
|
$idArr = array_map('intval', explode(',', $ids));
|
|
$count = Db::name('email_inbox')->where('inbox_id', 'in', $idArr)->update(['state' => 1]);
|
|
|
|
return jsonSuccess(['deleted' => $count]);
|
|
}
|
|
|
|
/**
|
|
* Download attachment from IMAP in real time
|
|
* Params: inbox_id, part_index (attachment index, starting from 0)
|
|
*/
|
|
public function getAttachment()
|
|
{
|
|
$inboxId = intval($this->request->param('inbox_id', 0));
|
|
$partIndex = intval($this->request->param('part_index', 0));
|
|
|
|
if (!$inboxId) {
|
|
return jsonError('inbox_id is required');
|
|
}
|
|
|
|
$email = Db::name('email_inbox')->where('inbox_id', $inboxId)->where('state', 0)->find();
|
|
if (!$email) {
|
|
return jsonError('Email not found');
|
|
}
|
|
|
|
$account = Db::name('journal_email')->where('j_email_id', $email['j_email_id'])->find();
|
|
if (!$account || empty($account['imap_host'])) {
|
|
return jsonError('IMAP not configured for this account');
|
|
}
|
|
|
|
$imap = $this->connectImap($account);
|
|
if (!$imap) {
|
|
return jsonError('IMAP connection failed');
|
|
}
|
|
|
|
$struct = imap_fetchstructure($imap, $email['uid'], FT_UID);
|
|
$attachments = $this->listAttachments($struct);
|
|
|
|
if (!isset($attachments[$partIndex])) {
|
|
imap_close($imap);
|
|
return jsonError('Attachment not found at index ' . $partIndex);
|
|
}
|
|
|
|
$att = $attachments[$partIndex];
|
|
$partNum = $att['part_number'];
|
|
$filename = $att['filename'];
|
|
$encoding = $att['encoding'];
|
|
|
|
$body = imap_fetchbody($imap, $email['uid'], $partNum, FT_UID);
|
|
imap_close($imap);
|
|
|
|
if ($encoding == 3) {
|
|
$body = base64_decode($body);
|
|
} elseif ($encoding == 4) {
|
|
$body = quoted_printable_decode($body);
|
|
}
|
|
|
|
$dir = ROOT_PATH . 'public' . DS . 'attachments';
|
|
if (!is_dir($dir)) {
|
|
mkdir($dir, 0777, true);
|
|
}
|
|
$safeName = time() . '_' . preg_replace('/[^a-zA-Z0-9._\-]/', '_', $filename);
|
|
$filepath = $dir . DS . $safeName;
|
|
file_put_contents($filepath, $body);
|
|
|
|
return jsonSuccess([
|
|
'filename' => $filename,
|
|
'file_url' => '/attachments/' . $safeName,
|
|
'file_size' => strlen($body),
|
|
]);
|
|
}
|
|
|
|
/**
|
|
* List attachments for an email (without downloading)
|
|
*/
|
|
public function listEmailAttachments()
|
|
{
|
|
$inboxId = intval($this->request->param('inbox_id', 0));
|
|
if (!$inboxId) {
|
|
return jsonError('inbox_id is required');
|
|
}
|
|
|
|
$email = Db::name('email_inbox')->where('inbox_id', $inboxId)->where('state', 0)->find();
|
|
if (!$email) {
|
|
return jsonError('Email not found');
|
|
}
|
|
|
|
$account = Db::name('journal_email')->where('j_email_id', $email['j_email_id'])->find();
|
|
if (!$account || empty($account['imap_host'])) {
|
|
return jsonError('IMAP not configured');
|
|
}
|
|
|
|
$imap = $this->connectImap($account);
|
|
if (!$imap) {
|
|
return jsonError('IMAP connection failed');
|
|
}
|
|
|
|
$struct = imap_fetchstructure($imap, $email['uid'], FT_UID);
|
|
$attachments = $this->listAttachments($struct);
|
|
imap_close($imap);
|
|
|
|
$result = [];
|
|
foreach ($attachments as $i => $att) {
|
|
$result[] = [
|
|
'index' => $i,
|
|
'filename' => $att['filename'],
|
|
'size' => $att['size'] ?? 0,
|
|
];
|
|
}
|
|
|
|
return jsonSuccess($result);
|
|
}
|
|
|
|
// ==================== IMAP Helpers ====================
|
|
|
|
private function connectImap($account)
|
|
{
|
|
$host = $account['imap_host'];
|
|
$port = intval($account['imap_port'] ?: 993);
|
|
$user = $account['smtp_user'];
|
|
$password = $account['smtp_password'];
|
|
$encryption = ($port == 993) ? 'ssl' : '';
|
|
|
|
$flags = '/imap';
|
|
if ($encryption === 'ssl') {
|
|
$flags .= '/ssl';
|
|
}
|
|
$flags .= '/novalidate-cert';
|
|
|
|
$mailbox = '{' . $host . ':' . $port . $flags . '}INBOX';
|
|
|
|
$imap = @imap_open($mailbox, $user, $password, 0, 1);
|
|
if (!$imap) {
|
|
return false;
|
|
}
|
|
|
|
return $imap;
|
|
}
|
|
|
|
private function getEmailBody($imap, $uid, $struct)
|
|
{
|
|
$html = '';
|
|
$text = '';
|
|
|
|
if (!isset($struct->parts) || empty($struct->parts)) {
|
|
$body = imap_fetchbody($imap, $uid, '1', FT_UID);
|
|
$body = $this->decodeBody($body, $struct->encoding ?? 0);
|
|
$charset = $this->getCharset($struct);
|
|
$body = $this->convertToUtf8($body, $charset);
|
|
|
|
if (isset($struct->subtype) && strtoupper($struct->subtype) === 'HTML') {
|
|
$html = $body;
|
|
} else {
|
|
$text = $body;
|
|
}
|
|
} else {
|
|
foreach ($struct->parts as $index => $part) {
|
|
$partNum = ($index + 1);
|
|
if (isset($part->subtype)) {
|
|
$subtype = strtoupper($part->subtype);
|
|
if ($subtype === 'PLAIN' && empty($text)) {
|
|
$body = imap_fetchbody($imap, $uid, (string) $partNum, FT_UID);
|
|
$text = $this->decodeBody($body, $part->encoding ?? 0);
|
|
$text = $this->convertToUtf8($text, $this->getCharset($part));
|
|
} elseif ($subtype === 'HTML' && empty($html)) {
|
|
$body = imap_fetchbody($imap, $uid, (string) $partNum, FT_UID);
|
|
$html = $this->decodeBody($body, $part->encoding ?? 0);
|
|
$html = $this->convertToUtf8($html, $this->getCharset($part));
|
|
} elseif ($subtype === 'ALTERNATIVE' || $subtype === 'MIXED' || $subtype === 'RELATED') {
|
|
if (isset($part->parts)) {
|
|
foreach ($part->parts as $subIndex => $subPart) {
|
|
$subPartNum = $partNum . '.' . ($subIndex + 1);
|
|
$sub = strtoupper($subPart->subtype ?? '');
|
|
if ($sub === 'PLAIN' && empty($text)) {
|
|
$body = imap_fetchbody($imap, $uid, $subPartNum, FT_UID);
|
|
$text = $this->decodeBody($body, $subPart->encoding ?? 0);
|
|
$text = $this->convertToUtf8($text, $this->getCharset($subPart));
|
|
} elseif ($sub === 'HTML' && empty($html)) {
|
|
$body = imap_fetchbody($imap, $uid, $subPartNum, FT_UID);
|
|
$html = $this->decodeBody($body, $subPart->encoding ?? 0);
|
|
$html = $this->convertToUtf8($html, $this->getCharset($subPart));
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
if (empty($html) && !empty($text)) {
|
|
$html = '<pre>' . htmlspecialchars($text) . '</pre>';
|
|
}
|
|
|
|
return ['html' => $html, 'text' => $text];
|
|
}
|
|
|
|
private function decodeBody($body, $encoding)
|
|
{
|
|
switch ($encoding) {
|
|
case 3: return base64_decode($body);
|
|
case 4: return quoted_printable_decode($body);
|
|
default: return $body;
|
|
}
|
|
}
|
|
|
|
private function getCharset($struct)
|
|
{
|
|
if (isset($struct->parameters)) {
|
|
foreach ($struct->parameters as $param) {
|
|
if (strtolower($param->attribute) === 'charset') {
|
|
return $param->value;
|
|
}
|
|
}
|
|
}
|
|
return 'UTF-8';
|
|
}
|
|
|
|
private function convertToUtf8($str, $charset)
|
|
{
|
|
$charset = strtoupper(trim($charset));
|
|
if ($charset === 'UTF-8' || $charset === 'UTF8' || empty($charset)) {
|
|
return $str;
|
|
}
|
|
$converted = @iconv($charset, 'UTF-8//IGNORE', $str);
|
|
return $converted !== false ? $converted : $str;
|
|
}
|
|
|
|
private function decodeMimeStr($str)
|
|
{
|
|
$elements = imap_mime_header_decode($str);
|
|
$decoded = '';
|
|
foreach ($elements as $el) {
|
|
$charset = ($el->charset === 'default') ? 'ASCII' : $el->charset;
|
|
$decoded .= $this->convertToUtf8($el->text, $charset);
|
|
}
|
|
return $decoded;
|
|
}
|
|
|
|
private function parseAddress($addressStr)
|
|
{
|
|
$decoded = $this->decodeMimeStr($addressStr);
|
|
$email = '';
|
|
$name = '';
|
|
|
|
if (preg_match('/<?([a-zA-Z0-9._%+\-]+@[a-zA-Z0-9.\-]+\.[a-zA-Z]{2,})>?/', $decoded, $m)) {
|
|
$email = strtolower($m[1]);
|
|
}
|
|
if (preg_match('/^"?([^"<]+)"?\s*</', $decoded, $m)) {
|
|
$name = trim($m[1]);
|
|
}
|
|
|
|
return ['email' => $email, 'name' => $name];
|
|
}
|
|
|
|
private function checkAttachment($struct)
|
|
{
|
|
if (!isset($struct->parts)) {
|
|
return false;
|
|
}
|
|
foreach ($struct->parts as $part) {
|
|
$disposition = '';
|
|
if (isset($part->disposition)) {
|
|
$disposition = strtolower($part->disposition);
|
|
}
|
|
if ($disposition === 'attachment') {
|
|
return true;
|
|
}
|
|
if (isset($part->ifdparameters) && $part->ifdparameters) {
|
|
foreach ($part->dparameters as $dp) {
|
|
if (strtolower($dp->attribute) === 'filename') {
|
|
return true;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
return false;
|
|
}
|
|
|
|
private function listAttachments($struct, $prefix = '')
|
|
{
|
|
$attachments = [];
|
|
if (!isset($struct->parts)) {
|
|
return $attachments;
|
|
}
|
|
|
|
foreach ($struct->parts as $index => $part) {
|
|
$partNum = $prefix ? ($prefix . '.' . ($index + 1)) : (string) ($index + 1);
|
|
$filename = '';
|
|
|
|
if (isset($part->dparameters)) {
|
|
foreach ($part->dparameters as $dp) {
|
|
if (strtolower($dp->attribute) === 'filename') {
|
|
$filename = $this->decodeMimeStr($dp->value);
|
|
}
|
|
}
|
|
}
|
|
if (empty($filename) && isset($part->parameters)) {
|
|
foreach ($part->parameters as $p) {
|
|
if (strtolower($p->attribute) === 'name') {
|
|
$filename = $this->decodeMimeStr($p->value);
|
|
}
|
|
}
|
|
}
|
|
|
|
if (!empty($filename)) {
|
|
$attachments[] = [
|
|
'filename' => $filename,
|
|
'part_number' => $partNum,
|
|
'encoding' => $part->encoding ?? 0,
|
|
'size' => $part->bytes ?? 0,
|
|
];
|
|
}
|
|
|
|
if (isset($part->parts)) {
|
|
$sub = $this->listAttachments($part, $partNum);
|
|
$attachments = array_merge($attachments, $sub);
|
|
}
|
|
}
|
|
|
|
return $attachments;
|
|
}
|
|
|
|
// ==================== Bounce Detection ====================
|
|
|
|
private function detectBounce($fromEmail, $subject, $header)
|
|
{
|
|
$fromEmail = strtolower($fromEmail);
|
|
if (strpos($fromEmail, 'mailer-daemon') !== false || strpos($fromEmail, 'postmaster') !== false) {
|
|
return true;
|
|
}
|
|
|
|
$subjectLower = strtolower($subject);
|
|
$bounceKeywords = ['undelivered', 'delivery status', 'delivery failed', 'mail delivery failed', 'returned mail', 'undeliverable', 'failure notice'];
|
|
foreach ($bounceKeywords as $kw) {
|
|
if (strpos($subjectLower, $kw) !== false) {
|
|
return true;
|
|
}
|
|
}
|
|
|
|
if (stripos($header, 'report-type=delivery-status') !== false) {
|
|
return true;
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
private function extractBounceRecipient($bodyText, $header)
|
|
{
|
|
if (preg_match('/Final-Recipient:.*?;\s*<?([a-zA-Z0-9._%+\-]+@[a-zA-Z0-9.\-]+\.[a-zA-Z]{2,})>?/i', $header . "\n" . $bodyText, $m)) {
|
|
return strtolower($m[1]);
|
|
}
|
|
|
|
if (preg_match('/Original-Recipient:.*?;\s*<?([a-zA-Z0-9._%+\-]+@[a-zA-Z0-9.\-]+\.[a-zA-Z]{2,})>?/i', $header . "\n" . $bodyText, $m)) {
|
|
return strtolower($m[1]);
|
|
}
|
|
|
|
if (preg_match('/<?([a-zA-Z0-9._%+\-]+@[a-zA-Z0-9.\-]+\.[a-zA-Z]{2,})>?\s+was not delivered/i', $bodyText, $m)) {
|
|
return strtolower($m[1]);
|
|
}
|
|
|
|
if (preg_match('/delivery to.*?<?([a-zA-Z0-9._%+\-]+@[a-zA-Z0-9.\-]+\.[a-zA-Z]{2,})>?.*?failed/i', $bodyText, $m)) {
|
|
return strtolower($m[1]);
|
|
}
|
|
|
|
return '';
|
|
}
|
|
|
|
// ==================== Internal Methods ====================
|
|
|
|
/**
|
|
* Pick the best available SMTP account for a journal
|
|
* Strategy: choose the account with the most remaining quota
|
|
*/
|
|
private function pickSmtpAccount($journalId)
|
|
{
|
|
$accounts = Db::name('journal_email')
|
|
->where('journal_id', $journalId)
|
|
->where('state', 0)
|
|
->select();
|
|
|
|
if (empty($accounts)) {
|
|
return null;
|
|
}
|
|
|
|
$best = null;
|
|
$bestRemaining = -1;
|
|
|
|
foreach ($accounts as $acc) {
|
|
$this->resetDailyCountIfNeeded($acc);
|
|
$remaining = $acc['daily_limit'] - $acc['today_sent'];
|
|
if ($remaining > 0 && $remaining > $bestRemaining) {
|
|
$best = $acc;
|
|
$bestRemaining = $remaining;
|
|
}
|
|
}
|
|
|
|
return $best;
|
|
}
|
|
|
|
/**
|
|
* Reset today_sent if the date has changed
|
|
*/
|
|
private function resetDailyCountIfNeeded(&$account)
|
|
{
|
|
$todayDate = date('Y-m-d');
|
|
$cacheKey = 'smtp_reset_' . $account['j_email_id'];
|
|
$lastReset = \think\Cache::get($cacheKey);
|
|
|
|
if ($lastReset !== $todayDate) {
|
|
Db::name('journal_email')
|
|
->where('j_email_id', $account['j_email_id'])
|
|
->update(['today_sent' => 0]);
|
|
$account['today_sent'] = 0;
|
|
\think\Cache::set($cacheKey, $todayDate, 86400);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Actually send an email using PHPMailer with given SMTP config
|
|
*/
|
|
private function doSendEmail($account, $toEmail, $subject, $htmlContent)
|
|
{
|
|
try {
|
|
$mail = new PHPMailer\PHPMailer(true);
|
|
$mail->isSMTP();
|
|
$mail->SMTPDebug = 0;
|
|
$mail->CharSet = 'UTF-8';
|
|
$mail->Host = $account['smtp_host'];
|
|
$mail->Port = intval($account['smtp_port']);
|
|
$mail->SMTPAuth = true;
|
|
$mail->Username = $account['smtp_user'];
|
|
$mail->Password = $account['smtp_password'];
|
|
|
|
if ($account['smtp_encryption'] === 'ssl') {
|
|
$mail->SMTPSecure = 'ssl';
|
|
} elseif ($account['smtp_encryption'] === 'tls') {
|
|
$mail->SMTPSecure = 'tls';
|
|
} else {
|
|
$mail->SMTPSecure = false;
|
|
$mail->SMTPAutoTLS = false;
|
|
}
|
|
|
|
$fromName = !empty($account['smtp_from_name']) ? $account['smtp_from_name'] : $account['smtp_user'];
|
|
$mail->setFrom($account['smtp_user'], $fromName);
|
|
$mail->addReplyTo($account['smtp_user'], $fromName);
|
|
$mail->addAddress($toEmail);
|
|
|
|
$mail->isHTML(true);
|
|
$mail->Subject = $subject;
|
|
$mail->Body = $htmlContent;
|
|
$mail->AltBody = strip_tags($htmlContent);
|
|
|
|
$mail->send();
|
|
|
|
return ['status' => 1, 'data' => 'success'];
|
|
} catch (\Exception $e) {
|
|
return ['status' => 0, 'data' => $e->getMessage()];
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Replace template variables with expert data
|
|
*/
|
|
private function replaceVariables($template, $expert)
|
|
{
|
|
$vars = [
|
|
'{name}' => $expert['name'] ?? '',
|
|
'{email}' => $expert['email'] ?? '',
|
|
'{affiliation}' => $expert['affiliation'] ?? '',
|
|
'{field}' => $expert['field'] ?? '',
|
|
];
|
|
|
|
return str_replace(array_keys($vars), array_values($vars), $template);
|
|
}
|
|
}
|