mirror of https://github.com/itflow-org/itflow
226 lines
8.9 KiB
PHP
226 lines
8.9 KiB
PHP
<?php
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// Set working directory to the directory this cron script lives at.
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chdir(dirname(__FILE__));
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// Ensure we're running from command line
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if (php_sapi_name() !== 'cli') {
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die("This script must be run from the command line.\n");
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}
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require_once "../config.php";
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// Set Timezone
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require_once "../inc_set_timezone.php";
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require_once "../functions.php";
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$sql_settings = mysqli_query($mysqli, "SELECT * FROM settings WHERE company_id = 1");
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$row = mysqli_fetch_array($sql_settings);
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// Company Settings
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$config_enable_cron = intval($row['config_enable_cron']);
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$config_smtp_host = $row['config_smtp_host'];
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$config_smtp_username = $row['config_smtp_username'];
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$config_smtp_password = $row['config_smtp_password'];
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$config_smtp_port = intval($row['config_smtp_port']);
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$config_smtp_encryption = $row['config_smtp_encryption'];
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// Check cron is enabled
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if ($config_enable_cron == 0) {
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error_log("Mail queue error - Cron is not enabled");
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exit("Cron: is not enabled -- Quitting..");
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}
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// Get system temp directory
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$temp_dir = sys_get_temp_dir();
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// Create the path for the lock file using the temp directory
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$lock_file_path = "{$temp_dir}/itflow_mail_queue_{$installation_id}.lock";
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// Check for lock file to prevent concurrent script runs
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if (file_exists($lock_file_path)) {
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$file_age = time() - filemtime($lock_file_path);
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// If file is older than 10 minutes (600 seconds), delete and continue
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if ($file_age > 600) {
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unlink($lock_file_path);
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// Logging
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logAction("Cron-Mail-Queue", "Delete", "Cron Mail Queuer detected a lock file was present but was over 10 minutes old so it removed it.");
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} else {
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// Logging
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logAction("Cron-Mail-Queue", "Locked", "Cron Mail Queuer attempted to execute but was already executing so instead it terminated.");
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exit("Script is already running. Exiting.");
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}
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}
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// Create a lock file
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file_put_contents($lock_file_path, "Locked");
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// Process Mail Queue
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// Email Status:
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// 0 Queued
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// 1 Sending
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// 2 Failed
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// 3 Sent
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/*
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* ###############################################################################################################
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* Initial email send
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* ###############################################################################################################
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*/
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// Get Mail Queue that has status of Queued and send it to the function sendSingleEmail() located in functions.php
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$sql_queue = mysqli_query($mysqli, "SELECT * FROM email_queue WHERE email_status = 0 AND email_queued_at <= NOW()");
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if (mysqli_num_rows($sql_queue) > 0) {
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while ($row = mysqli_fetch_array($sql_queue)) {
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$email_id = intval($row['email_id']);
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$email_from = $row['email_from'];
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$email_from_name = $row['email_from_name'];
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$email_recipient = $row['email_recipient'];
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$email_recipient_name = $row['email_recipient_name'];
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$email_subject = $row['email_subject'];
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$email_content = $row['email_content'];
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$email_queued_at = $row['email_queued_at'];
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$email_sent_at = $row['email_sent_at'];
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$email_ics_str = $row['email_cal_str'];
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// First, validate the sender email address
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if (filter_var($email_from, FILTER_VALIDATE_EMAIL)) {
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// Sanitized Input
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$email_recipient_logging = sanitizeInput($row['email_recipient']);
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$email_subject_logging = sanitizeInput($row['email_subject']);
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// Update the status to sending
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mysqli_query($mysqli, "UPDATE email_queue SET email_status = 1 WHERE email_id = $email_id");
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// Next, verify recipient email is valid
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if (filter_var($email_recipient, FILTER_VALIDATE_EMAIL)) {
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$mail = sendSingleEmail(
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$config_smtp_host,
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$config_smtp_username,
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$config_smtp_password,
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$config_smtp_encryption,
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$config_smtp_port,
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$email_from,
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$email_from_name,
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$email_recipient,
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$email_recipient_name,
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$email_subject,
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$email_content,
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$email_ics_str
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);
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if ($mail !== true) {
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// Update Message - Failure
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mysqli_query($mysqli, "UPDATE email_queue SET email_status = 2, email_failed_at = NOW(), email_attempts = 1 WHERE email_id = $email_id");
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appNotify("Cron-Mail-Queue", "Failed to send email #$email_id to $email_recipient_logging");
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// Logging
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logAction("Cron-Mail-Queue", "Error", "Failed to send email: $email_id to $email_recipient_logging regarding $email_subject_logging. $mail");
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} else {
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// Update Message - Success
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mysqli_query($mysqli, "UPDATE email_queue SET email_status = 3, email_sent_at = NOW(), email_attempts = 1 WHERE email_id = $email_id");
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}
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} else {
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// Recipient email isn't valid, mark as failed and log the error
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mysqli_query($mysqli, "UPDATE email_queue SET email_status = 2, email_attempts = 99 WHERE email_id = $email_id");
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// Logging
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logAction("Cron-Mail-Queue", "Error", "Failed to send email: $email_id due to invalid recipient address. Email subject was: $email_subject_logging");
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}
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} else {
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error_log("Failed to send email due to invalid sender address (' $email_from ') - check configuration in settings.");
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$email_from_logging = sanitizeInput($row['email_from']);
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mysqli_query($mysqli, "UPDATE email_queue SET email_status = 2, email_attempts = 99 WHERE email_id = $email_id");
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// Logging
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logAction("Cron-Mail-Queue", "Error", "Failed to send email #$email_id due to invalid sender address: $email_from_logging - check configuration in settings.");
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appNotify("Mail", "Failed to send email #$email_id due to invalid sender address");
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}
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}
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}
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/*
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* ###############################################################################################################
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* Retries
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* ###############################################################################################################
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*/
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// Get Mail that failed to send and attempt to send Failed Mail up to 4 times every 30 mins
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$sql_failed_queue = mysqli_query($mysqli, "SELECT * FROM email_queue WHERE email_status = 2 AND email_attempts < 4 AND email_failed_at < NOW() + INTERVAL 30 MINUTE");
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if (mysqli_num_rows($sql_failed_queue) > 0) {
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while ($row = mysqli_fetch_array($sql_failed_queue)) {
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$email_id = intval($row['email_id']);
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$email_from = $row['email_from'];
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$email_from_name = $row['email_from_name'];
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$email_recipient = $row['email_recipient'];
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$email_recipient_name = $row['email_recipient_name'];
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$email_subject = $row['email_subject'];
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$email_content = $row['email_content'];
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$email_queued_at = $row['email_queued_at'];
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$email_sent_at = $row['email_sent_at'];
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$email_ics_str = $row['email_cal_str'];
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// Increment the attempts
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$email_attempts = intval($row['email_attempts']) + 1;
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// Sanitized Input
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$email_recipient_logging = sanitizeInput($row['email_recipient']);
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$email_subject_logging = sanitizeInput($row['email_subject']);
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// Update the status to sending before actually sending
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mysqli_query($mysqli, "UPDATE email_queue SET email_status = 1 WHERE email_id = $email_id");
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// Verify recipient email is valid
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if (filter_var($email_recipient, FILTER_VALIDATE_EMAIL)) {
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$mail = sendSingleEmail(
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$config_smtp_host,
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$config_smtp_username,
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$config_smtp_password,
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$config_smtp_encryption,
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$config_smtp_port,
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$email_from,
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$email_from_name,
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$email_recipient,
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$email_recipient_name,
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$email_subject,
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$email_content,
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$email_ics_str
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);
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if ($mail !== true) {
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// Update Message
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mysqli_query($mysqli, "UPDATE email_queue SET email_status = 2, email_failed_at = NOW(), email_attempts = $email_attempts WHERE email_id = $email_id");
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// Logging
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logAction("Cron-Mail-Queue", "Error", "Failed to re-send email #$email_id to $email_recipient_logging regarding $email_subject_logging. $mail");
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} else {
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// Update Message
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mysqli_query($mysqli, "UPDATE email_queue SET email_status = 3, email_sent_at = NOW(), email_attempts = $email_attempts WHERE email_id = $email_id");
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}
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}
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}
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}
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// Remove the lock file once mail has finished processing
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unlink($lock_file_path);
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