S2OJ/web/app/models/UOJMail.php

<?php

use PHPMailer\PHPMailer\PHPMailer;

class UOJMail {
	public static function noreply() {
		$mailer = new PHPMailer();
		$mailer->isSMTP();
		$mailer->Host = UOJConfig::$data['mail']['noreply']['host'];
		$mailer->Port = UOJConfig::$data['mail']['noreply']['port'];
		$mailer->SMTPAuth = true;
		$mailer->SMTPSecure = UOJConfig::$data['mail']['noreply']['secure'];
		$mailer->Username = UOJConfig::$data['mail']['noreply']['username'];
		$mailer->Password = UOJConfig::$data['mail']['noreply']['password'];
		$mailer->setFrom(UOJConfig::$data['mail']['noreply']['username'], UOJConfig::$data['profile']['oj-name-short']);
		$mailer->CharSet = "utf-8";
		$mailer->Encoding = "base64";
		return $mailer;
	}

	public static function cronSendEmail() {
		$emails = DB::selectAll([
			"select * from emails",
			"where", DB::land([
				["created_at", ">=", DB::raw("addtime(now(), '-24:00:00')")],
				"send_time" => null,
			]),
			"order by priority desc",
		]);

		$oj_name = UOJConfig::$data['profile']['oj-name'];
		$oj_name_short = UOJConfig::$data['profile']['oj-name-short'];
		$oj_url = HTML::url('/');
		$oj_email_address = UOJConfig::$data['mail']['noreply']['username'];

		foreach ($emails as $email) {
			$user = UOJUser::query($email['receiver']);
			$name = $user['username'];

			if ($user['realname']) {
				$name .= ' (' . $user['realname'] . ')';
			}

			if ($user['email']) {
				$mailer = UOJMail::noreply();
				$mailer->addAddress($user['email'], $user['username']);
				$mailer->Subject = $email['subject'];
				$mailer->msgHTML(<<<EOD
				<base target="_blank" />

				<div style="padding: 48px; margin: 60px auto 60px auto; box-shadow: 0px 2px 4px rgba(0, 0, 0, 0.15), inset 0px 0px 1px rgba(0, 0, 0, 0.5); max-width: 700px">
					<div style="display: block">
						<img src="data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAGAAAABgCAYAAADimHc4AAAACXBIWXMAAAsTAAALEwEAmpwYAAAGUmlUWHRYTUw6Y29tLmFkb2JlLnhtcAAAAAAAPD94cGFja2V0IGJlZ2luPSLvu78iIGlkPSJXNU0wTXBDZWhpSHpyZVN6TlRjemtjOWQiPz4gPHg6eG1wbWV0YSB4bWxuczp4PSJhZG9iZTpuczptZXRhLyIgeDp4bXB0az0iQWRvYmUgWE1QIENvcmUgNi4wLWMwMDIgNzkuMTY0NDYwLCAyMDIwLzA1LzEyLTE2OjA0OjE3ICAgICAgICAiPiA8cmRmOlJERiB4bWxuczpyZGY9Imh0dHA6Ly93d3cudzMub3JnLzE5OTkvMDIvMjItcmRmLXN5bnRheC1ucyMiPiA8cmRmOkRlc2NyaXB0aW9uIHJkZjphYm91dD0iIiB4bWxuczp4bXA9Imh0dHA6Ly9ucy5hZG9iZS5jb20veGFwLzEuMC8iIHhtbG5zOnhtcE1NPSJodHRwOi8vbnMuYWRvYmUuY29tL3hhcC8xLjAvbW0vIiB4bWxuczpzdEV2dD0iaHR0cDovL25zLmFkb2JlLmNvbS94YXAvMS4wL3NUeXBlL1Jlc291cmNlRXZlbnQjIiB4bWxuczpwaG90b3Nob3A9Imh0dHA6Ly9ucy5hZG9iZS5jb20vcGhvdG9zaG9wLzEuMC8iIHhtbG5zOmRjPSJodHRwOi8vcHVybC5vcmcvZGMvZWxlbWVudHMvMS4xLyIgeG1wOkNyZWF0b3JUb29sPSJBZG9iZSBQaG90b3Nob3AgMjEuMiAoTWFjaW50b3NoKSIgeG1wOkNyZWF0ZURhdGU9IjIwMjAtMDgtMTlUMjE6NTk6MjkrMDg6MDAiIHhtcDpNZXRhZGF0YURhdGU9IjIwMjAtMDgtMTlUMjE6NTk6MjkrMDg6MDAiIHhtcDpNb2RpZnlEYXRlPSIyMDIwLTA4LTE5VDIxOjU5OjI5KzA4OjAwIiB4bXBNTTpJbnN0YW5jZUlEPSJ4bXAuaWlkOjA1OTRiZThkLWY1NTktNGRjMi05MThhLWViZDVlMWQ3YWE5MyIgeG1wTU06RG9jdW1lbnRJRD0iYWRvYmU6ZG9jaWQ6cGhvdG9zaG9wOjExNjYwOThkLTg5ZDEtMjQ0Yy05OTczLTNhNTIwOGIwYzQ5MCIgeG1wTU06T3JpZ2luYWxEb2N1bWVudElEPSJ4bXAuZGlkOjZiZWI1YjRjLTcyNDYtNGFlMi05NWEyLTFjMDYxM2QzYjc4NiIgcGhvdG9zaG9wOkNvbG9yTW9kZT0iMyIgZGM6Zm9ybWF0PSJpbWFnZS9wbmciPiA8eG1wTU06SGlzdG9yeT4gPHJkZjpTZXE+IDxyZGY6bGkgc3RFdnQ6YWN0aW9uPSJjcmVhdGVkIiBzdEV2dDppbnN0YW5jZUlEPSJ4bXAuaWlkOjZiZWI1YjRjLTcyNDYtNGFlMi05NWEyLTFjMDYxM2QzYjc4NiIgc3RFdnQ6d2hlbj0iMjAyMC0wOC0xOVQyMTo1OToyOSswODowMCIgc3RFdnQ6c29mdHdhcmVBZ2VudD0iQWRvYmUgUGhvdG9zaG9wIDIxLjIgKE1hY2ludG9zaCkiLz4gPHJkZjpsaSBzdEV2dDphY3Rpb249InNhdmVkIiBzdEV2dDppbnN0YW5jZUlEPSJ4bXAuaWlkOjA1OTRiZThkLWY1NTktNGRjMi05MThhLWViZDVlMWQ3YWE5MyIgc3RFdnQ6d2hlbj0iMjAyMC0wOC0xOVQyMTo1OToyOSswODowMCIgc3RFdnQ6c29mdHdhcmVBZ2VudD0iQWRvYmUgUGhvdG9zaG9wIDIxLjIgKE1hY2ludG9zaCkiIHN0RXZ0OmNoYW5nZWQ9Ii8iLz4gPC9yZGY6U2VxPiA8L3htcE1NOkhpc3Rvcnk+IDxwaG90b3Nob3A6RG9jdW1lbnRBbmNlc3RvcnM+IDxyZGY6QmFnPiA8cmRmOmxpPjdDQURFMDhDMEYzODA0RDUyRTM5MTM1QjJENDQ3MDVDPC9yZGY6bGk+IDwvcmRmOkJhZz4gPC9waG90b3Nob3A6RG9jdW1lbnRBbmNlc3RvcnM+IDwvcmRmOkRlc2NyaXB0aW9uPiA8L3JkZjpSREY+IDwveDp4bXBtZXRhPiA8P3hwYWNrZXQgZW5kPSJyIj8+dbFv4wAAGexJREFUeJzVnXl0XMWV/z+v9037bsmSbdnG+84WGzJA2BwmQMgwYZLfOEBIGDJZJuHgCUySYX5AfkAmIYQJBwiEhMkkISFhGUIMBAcbTGzAuyRLli3J2nep1Xu/1+/3x+1GrZYsdau7ZfI95x11vaVevXurbt2tSoqu60yFT9w/5emMQNXAbIRzl0C+S37rOigKWE0w6MH65zrW5trxnr+UOpcNwhrYLeD2U9LYycNBFV9IpdFh4VyrmeY1NWx32WDYCxEdNA3eaWJ53ygFF6zg8MISPL4QdA+DxQQOCzR2y32LK6QN+Q4wGsBqBm8Ann8XPAEpp4sXt0993pB+1elDQT7cZobmHu5o6+cPRS6usJi48Vgnb/aOcnWODbxBbEdO8brVTJnDSps3gLE4l31BlY/XtfNMWAWnFUa8XFTXzm6DwhfynVzUM8xzjV18x2QQJkem7nNnBKYz9mYFTEYhvhYRwtV38KMhD9cvLOOBYQ9Gswm1vIC3m7p4xmzk0n43W6wm2m0W9uw5xr1qBHwh1POW8LWuIT7dPsgGuwVvYxe/WVTK4+2D9PtDmKsK+f2pAb7uCVC9uIKbfUH4sPDgjDBAUZgfCHH2kIeO4lz2WUzQPsj5oz7OXVTGXe82c/+Qh0IUAN5ZVskt75/kBUWha0UVD759jKcUBXLtMOrDdLSdm6uL+dPJXv7ZasZVXcQjXcOsOd7NNwHeOY73/KXc2jnILW4fl5bk8lokAkYFdIOIo4h+Zpgy1yLIqsNTYY3HSnJZFQjzzfdPcnTMT17fCBflOXmrtZ8t3SMUuuwyKho6OH/MT1FpHr9UNSxaBM0fwmY1C9EcVvAFqTIovH2sixvDGsMhlf4DLVxrM8v1ATfO+g5usFnZ19bPxUYDNHVz74iPV/whXm7s4mFVo9phESYogCEqrrKNOR0BOrwWUjleXczW1dVgt2AaHOPLTV38YtSPwWBg96iXs53W6KQMWMxwaoB/WLeALS4bOK2sspplcnTZwO2HinyUsnz+uHER1gInoYZOfmozCxF1HXLsMOxhsc3MW/4QHznWyWNAcXEOv/UG0RSFC4+2sy+ic0NNCTtVTcRiJMaNLGLORoCicFdYpctu5mbgtXea0F96n6A3gK04lzf6Rrky38nB0jz2uf2iKQVVCIahspBdDivUdbA6qNJ00Sq+ZDWDNwilubBlOdeFVKqBrRUFUFnI4ZAG/pAQcsQL5fm8V1XE0d5RrtJ1zCYjh5p7+OaJHv49ouOpLOSJhg6+3++GQBg6BqV+szG7dJkzBqgaS/KdfNtl4772QT424oFQGMPOOu7rG2XpZWsxLCnnleVVfK+2nJaIDgYF1tbwanUx3993nIO9wxzef5LuigJ+culqKs+qYPs156A4LAy8WU/jWw38/s166tdU88Oza3nSaBD1taaEjvOWcseSCl66fC2K0cC+XfXc7Q9RazZR824zX9YiDOa72NvUxde8QRlhBiXrAyCrIigfWAgcA/xhjbE8B65QmEt1XXRrBenlY34qinPQ3zvBA/lODl21kUW9w9SqOs6qQg6f7OX/NHWzNtcB3cMUvtXAyxet5NLiXB4wGbG+eoj/dfug0AVt/Sxv6edzZ9fy+XkFPBTR0SsLqWvp47NuH5XrFnB/cw+rDAaxOUDa0jHIlrJ8uvvGWLGwFIIqVmAJ0AkMZ4tI2WBACXALEAE04HqgTYtQU+Dk3MExxrxBMap0XUSNwwq7G3jzYCsXOq0QDLNiUy13eYMQUuHUADcritgKLhs0dPCx0lzu+cgy/u2VA/y8rZ+FeY5xH
						<div style="font-size: 24px; font-weight: bold; display: inline-block; vertical-align: baseline; margin-left: 6px; line-height: 1">{$oj_name_short}</div>
					</div>
					<hr />
					<br />

					<h1><center>{$email['subject']}</center></h1>
					<div style="font-size: 18px">{$name} 您好，</div>
					<br />

					<div>
					{$email['content']}
					</div>

					<br />
					<br />

					<div style="text-align: right;">
						<a href="{$oj_url}">{$oj_name}</a>
						<br />
						{$email['created_at']}
					</div>

					<br />
					<hr />
					<div style="font-size: 12px; color: grey; text-align: center;">
						您之所以收到本邮件，是因为您是 {$oj_name} 的用户。
						<br />
						本邮件由系统自动发送，请勿回复。
						<br />
						若本邮件不是出现在正常收件箱内，请把我们的发信邮箱地址 {$oj_email_address} 添加到您的邮箱白名单内，以免错过重要通知。
					</div>
				</div>
				EOD);

				$res = retry_loop(function () use (&$mailer) {
					$res = $mailer->send();

					if ($res) return true;

					UOJLog::error($mailer->ErrorInfo);

					return false;
				});

				if ($res) {
					DB::update("update emails set send_time = now() where id = {$email['id']}");
					echo '[UOJMail::cronSendEmail] ID: ' . $email['id'] . ' sent.' . "\n";
				}
			} else {
				DB::update("update emails set send_time = now() where id = {$email['id']}");
				echo '[UOJMail::cronSendEmail] ID: ' . $email['id'] . ' - empty email address.' . "\n";
			}
		}

		echo '[UOJMail::cronSendEmail] Done.' . "\n";
	}
}