ttrss/classes/mailer.php

76 lines
2.3 KiB
PHP

<?php
class Mailer {
// TODO: class properties can be switched to PHP typing if/when the minimum PHP_VERSION is raised to 7.4.0+
/** @var string */
private $last_error = "";
/**
* @param array<string, mixed> $params
* @return bool|int bool if the default mail function handled the request, otherwise an int as described in Mailer#mail()
*/
function mail(array $params) {
$to_name = $params["to_name"] ?? "";
$to_address = $params["to_address"];
$subject = $params["subject"];
$message = $params["message"];
$message_html = $params["message_html"] ?? "";
$from_name = $params["from_name"] ?? Config::get(Config::SMTP_FROM_NAME);
$from_address = $params["from_address"] ?? Config::get(Config::SMTP_FROM_ADDRESS);
$additional_headers = $params["headers"] ?? [];
$from_combined = $from_name ? "$from_name <$from_address>" : $from_address;
$to_combined = $to_name ? "$to_name <$to_address>" : $to_address;
if (Config::get(Config::LOG_SENT_MAIL))
Logger::log(E_USER_NOTICE, "Sending mail from $from_combined to $to_combined [$subject]: $message");
// HOOK_SEND_MAIL plugin instructions:
// 1. return 1 or true if mail is handled
// 2. return -1 if there's been a fatal error and no further action is allowed
// 3. any other return value will allow cycling to the next handler and, eventually, to default mail() function
// 4. set error message if needed via passed Mailer instance function set_error()
$hooks_tried = 0;
foreach (PluginHost::getInstance()->get_hooks(PluginHost::HOOK_SEND_MAIL) as $p) {
$rc = $p->hook_send_mail($this, $params);
if ($rc == 1)
return $rc;
if ($rc == -1)
return 0;
++$hooks_tried;
}
$headers = [ "From: $from_combined" ];
if($message_html){
$headers[]="MIME-Version: 1.0";
$headers[]="Content-Type: text/html; charset=UTF-8";
}
else{
$headers[]="Content-Type: text/plain; charset=UTF-8";
}
$rc = mail($to_combined, $subject, $message, implode("\r\n", array_merge($headers, $additional_headers)));
if (!$rc) {
$this->set_error(error_get_last()['message'] ?? T_sprintf("Unknown error while sending mail. Hooks tried: %d.", $hooks_tried));
}
return $rc;
}
function set_error(string $message): void {
$this->last_error = $message;
user_error("Error sending mail: $message", E_USER_WARNING);
}
function error(): string {
return $this->last_error;
}
}