engine/lib/notification.php ➔ elgg_send_email()

Complexity

Conditions	15
Paths	163

Size

Total Lines

90

Duplication

Lines	0
Ratio	0 %

Code Coverage

Tests	0
CRAP Score	240

Importance

Changes

0

<?php
function elgg_send_email($from, $to, $subject, $body, array $params = null) {
	global $CONFIG;

	if (!$from) {
		$msg = "Missing a required parameter, '" . 'from' . "'";
		throw new \NotificationException($msg);
	}

	if (!$to) {
		$msg = "Missing a required parameter, '" . 'to' . "'";
		throw new \NotificationException($msg);
	}

	$headers = array(
		"Content-Type" => "text/plain; charset=UTF-8; format=flowed",
		"MIME-Version" => "1.0",
		"Content-Transfer-Encoding" => "8bit",
	);

	// return true/false to stop elgg_send_email() from sending
	$mail_params = array(
		'to' => $to,
		'from' => $from,
		'subject' => $subject,
		'body' => $body,
		'headers' => $headers,
		'params' => $params,
	);

	// $mail_params is passed as both params and return value. The former is for backwards
	// compatibility. The latter is so handlers can now alter the contents/headers of
	// the email by returning the array
	$result = elgg_trigger_plugin_hook('email', 'system', $mail_params, $mail_params);
	if (is_array($result)) {
		foreach (array('to', 'from', 'subject', 'body', 'headers') as $key) {
			if (isset($result[$key])) {
				${$key} = $result[$key];
			}
		}
	} elseif ($result !== null) {
		return $result;
	}

	$header_eol = "\r\n";
	if (isset($CONFIG->broken_mta) && $CONFIG->broken_mta) {
		// Allow non-RFC 2822 mail headers to support some broken MTAs
		$header_eol = "\n";
	}

	// Windows is somewhat broken, so we use just address for to and from
	if (strtolower(substr(PHP_OS, 0, 3)) == 'win') {
		// strip name from to and from
		if (strpos($to, '<')) {
			preg_match('/<(.*)>/', $to, $matches);
			$to = $matches[1];
		}
		if (strpos($from, '<')) {
			preg_match('/<(.*)>/', $from, $matches);
			$from = $matches[1];
		}
	}

	// make sure From is set
	if (empty($headers['From'])) {
		$headers['From'] = $from;
	}

	// stringify headers
	$headers_string = '';
	foreach ($headers as $key => $value) {
		$headers_string .= "$key: $value{$header_eol}";
	}

	// Sanitise subject by stripping line endings
	$subject = preg_replace("/(\r\n|\r|\n)/", " ", $subject);
	// this is because Elgg encodes everything and matches what is done with body
	$subject = html_entity_decode($subject, ENT_QUOTES, 'UTF-8'); // Decode any html entities
	if (is_callable('mb_encode_mimeheader')) {
		$subject = mb_encode_mimeheader($subject, "UTF-8", "B");

Are you sure the assignment to $subject is correct as mb_encode_mimeheader($subject, 'UTF-8', 'B') (which targets mb_encode_mimeheader()) seems to always return null.

	}

	// Format message
	$body = html_entity_decode($body, ENT_QUOTES, 'UTF-8'); // Decode any html entities
	$body = elgg_strip_tags($body); // Strip tags from message
	$body = preg_replace("/(\r\n|\r)/", "\n", $body); // Convert to unix line endings in body
	$body = preg_replace("/^From/", ">From", $body); // Change lines starting with From to >From
	$body = wordwrap($body);

	return mail($to, $subject, $body, $headers_string);
}