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Update PlancakeEmailParser.php #15

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Update PlancakeEmailParser.php #15

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65 changes: 23 additions & 42 deletions PlancakeEmailParser.php
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Original file line number Diff line number Diff line change
Expand Up @@ -38,7 +38,8 @@
*
* @author dan
*/
class PlancakeEmailParser {
class PlancakeEmailParser
{

const PLAINTEXT = 1;
const HTML = 2;
Expand Down Expand Up @@ -86,32 +87,24 @@ private function extractHeadersAndRawBody()
$lines = preg_split("/(\r?\n|\r)/", $this->emailRawContent);

$currentHeader = '';

$i = 0;
foreach ($lines as $line)
{
if(self::isNewLine($line))
{
foreach ($lines as $i => $line) {
if(self::isNewLine($line)) {
// end of headers
$this->rawBodyLines = array_slice($lines, $i);
break;
}

if ($this->isLineStartingWithPrintableChar($line)) // start of new header
{
if ($this->isLineStartingWithPrintableChar($line)) { // start of new header
preg_match('/([^:]+): ?(.*)$/', $line, $matches);
$newHeader = strtolower($matches[1]);
$value = $matches[2];
$this->rawFields[$newHeader] = $value;
$currentHeader = $newHeader;
}
else // more lines related to the current header
{
} else { // more lines related to the current header
if ($currentHeader) { // to prevent notice from empty lines
$this->rawFields[$currentHeader] .= substr($line, 1);
}
}
$i++;
}
}

Expand All @@ -122,13 +115,11 @@ private function extractHeadersAndRawBody()
*/
public function getSubject()
{
if (!isset($this->rawFields['subject']))
{
if (!isset($this->rawFields['subject'])) {
throw new Exception("Couldn't find the subject of the email");
}

$ret = '';

if ($this->isImapExtensionAvailable) {
foreach (imap_mime_header_decode($this->rawFields['subject']) as $h) { // subject can span into several lines
$charset = ($h->charset == 'default') ? 'US-ASCII' : $h->charset;
Expand All @@ -147,12 +138,7 @@ public function getSubject()
*/
public function getCc()
{
if (!isset($this->rawFields['cc']))
{
return array();
}

return explode(',', $this->rawFields['cc']);
return isset($this->rawFields['cc']) ? explode(',', $this->rawFields['cc']) : array();
}

/**
Expand All @@ -162,10 +148,10 @@ public function getCc()
*/
public function getTo()
{
if ( (!isset($this->rawFields['to'])) || (!count($this->rawFields['to'])))
{
if (!isset($this->rawFields['to']) || !count($this->rawFields['to'])) {
throw new Exception("Couldn't find the recipients of the email");
}

return explode(',', $this->rawFields['to']);
}

Expand Down Expand Up @@ -238,17 +224,16 @@ public function getBody($returnType=self::PLAINTEXT)
// collecting the actual content until we find the delimiter

// if the delimited is AAAAA, the line will be --AAAAA - that's why we use substr
if (is_array($boundaries)) {
if (in_array(substr($line, 2), $boundaries)) { // found the delimiter
if (is_array($boundaries) && in_array(substr($line, 2), $boundaries)) {
// found the delimiter
break;
}
}
$body .= $line . "\n";
}
}

if (!$detectedContentType)
{
if (!$detectedContentType) {
// if here, we missed the text/plain content-type (probably it was
// in the header), thus we assume the whole body is what we are after
$body = implode("\n", $this->rawBodyLines);
Expand All @@ -257,20 +242,21 @@ public function getBody($returnType=self::PLAINTEXT)
// removing trailing new lines
$body = preg_replace('/((\r?\n)*)$/', '', $body);

if ($contentTransferEncoding == 'base64')
$body = base64_decode($body);
else if ($contentTransferEncoding == 'quoted-printable')
$body = quoted_printable_decode($body);
if ($contentTransferEncoding == 'base64') {
$body = base64_decode($body);
} else if ($contentTransferEncoding == 'quoted-printable') {
$body = quoted_printable_decode($body);
}

if($charset != 'UTF-8') {
if ($charset != 'UTF-8') {
// FORMAT=FLOWED, despite being popular in emails, it is not
// supported by iconv
$charset = str_replace("FORMAT=FLOWED", "", $charset);

$bodyCopy = $body;
$body = iconv($charset, 'UTF-8//TRANSLIT', $body);

if ($body === FALSE) { // iconv returns FALSE on failure
if ($body === false) { // iconv returns FALSE on failure
$body = utf8_encode($bodyCopy);
}
}
Expand Down Expand Up @@ -305,11 +291,7 @@ public function getHeader($headerName)
{
$headerName = strtolower($headerName);

if (isset($this->rawFields[$headerName]))
{
return $this->rawFields[$headerName];
}
return '';
return isset($this->rawFields[$headerName]) ? return $this->rawFields[$headerName] : '';
}

/**
Expand All @@ -322,7 +304,7 @@ public static function isNewLine($line)
$line = str_replace("\r", '', $line);
$line = str_replace("\n", '', $line);

return (strlen($line) === 0);
return strlen($line) === 0;
}

/**
Expand All @@ -335,4 +317,3 @@ private function isLineStartingWithPrintableChar($line)
return preg_match('/^[A-Za-z]/', $line);
}
}
?>