+global\MailParser::ParseDecode()

Complexity

Conditions	22
Paths	1587

Size

Total Lines

141

Duplication

Lines	7
Ratio	4.96 %

Importance

Changes

0

<?php
	protected function ParseDecode($c) {
		/*
		Content-Type: image/jpeg
		Content-Type: multipart/alternative;
		Content-Type: text/plain; charset=iso-8859-1
		Content-Type: text/plain; charset=ISO-8859-1; format=flowed
		Content-Transfer-Encoding: base64
		Content-Transfer-Encoding: quoted-printable
		Content-Transfer-Encoding: 7bit
		Content-Disposition: inline;
		filename="ma_Jusko_Attack_of_the_Targa.jpg"
		Content-Type: application/pgp-signature; name="signature.asc"
		Content-Disposition: attachment; filename="DbExchange.tgz"
		Content-Disposition: attachment; filename*=utf-8''20071010-%E7%9B%91%E7%AE
		Content-ID: <3561580184000005@web36903.mail.mud.yahoo.com>
		*/
		$c = trim($c);

		// Find "header" part, identify by "two \n"
		//$s_h = substr($c, 0, strpos($c, "\n\n"));
		//if (empty($s_h)) {

		// Find "header" part, identify by 'Content'
		if (!(('Content' == substr($c, 0, 7)) || ('content' == substr($c, 0, 7)))) {
			// No content define, output directly
			$rs = array('type' => 'text/plain',
				'content' => $c,
				'charset' => '',
				'encoding' => '',
				'filename' => ''
				);
		} else {
			// Read the "header" defination, set the rs options and parse body string
			$i = strpos($c, "\n\n");
			if (false === $i) {
				// Special situation, eg: only have 1 line (header define):
				// Content-Type: multipart/alternative;
				$s_header = $c;
				$s_body = '';
			} else {
				$s_header = substr($c, 0, $i);
				$s_body = substr($c, $i +1);
			}

			// Prepare default value
			$rs = array();
			$rs['type'] = '';
			$rs['content'] = '';
			$rs['charset'] = '';
			$rs['encoding'] = '';
			$rs['filename'] = '';

			// Is there a Content-Type define ?
			$s_t = RegexMatch('/Content-Type: ([\w\d\/\-\+\.]+)[;\s]/i', $s_header);

The function RegexMatch() has been deprecated with message: Use Fwlib\Util\StringUtil::matchRegex()

			if (!empty($s_t)) {
				$rs['type'] = $s_t;
				// I don't know is this way right, but this will got an empty content, works correctly.
				// Multi-part container
				if ('multipart/alternative' == $s_t)
					return $rs;
			}

			// Charset ?
			$s_t = RegexMatch('/charset=([\w\d\-]+)[;\s]/i', $s_header);

The function RegexMatch() has been deprecated with message: Use Fwlib\Util\StringUtil::matchRegex()

			if (!empty($s_t)) {
				$rs['charset'] = $s_t;
				// Convert content to utf-8 encoding
				if ('utf-8' != strtolower($s_t))
					$s_body = mb_convert_encoding($s_body, 'utf-8', $s_t);
			}

			// quoted-printable encoding ? its format like '=0D=0A'
			if (0 < substr_count($s_header, 'quoted-printable')) {
				$s_body = quoted_printable_decode($s_body);
				$rs['encoding'] = 'quoted-printable';
			}

			// Base64 encoding ?
			if (0 < substr_count($s_header, 'base64')) {
				$s_body = base64_decode($s_body);
				$rs['encoding'] = 'base64';
			}

			// Content-Disposition:, means this is an attachment
			if (0 < substr_count($s_header, 'Content-Disposition:')
				|| 0 < substr_count($s_header, 'Content-ID:')
				|| 0 < substr_count($s_header, 'attachment')
				|| 0 < substr_count($s_header, 'name=')
				|| 'image/jpeg' == $rs['type']
				|| 'image/gif' == $rs['type']
				//|| 0 < substr_count($s_header, 'filename')
				) {
				// Find the filename or name it, if filename is empty, this is not an attachment
				/*
		Content-Type: application/pgp-signature; name="signature.asc"
		Content-Disposition: attachment; filename="DbExchange.tgz"
		Content-Disposition: attachment; filename*=utf-8''20071010-%E7%9B%91%E7%AE
		Content-ID: <3561580184000005@web36903.mail.mud.yahoo.com>
				*/
				$s_t = RegexMatch('/name="([^"]*)"/i', $s_header);

The function RegexMatch() has been deprecated with message: Use Fwlib\Util\StringUtil::matchRegex()

				if (empty($s_t)) {
					$s_t = RegexMatch('/filename*=([^\s]*)\s+/i', $s_header);

The function RegexMatch() has been deprecated with message: Use Fwlib\Util\StringUtil::matchRegex()

				}
				// Avoid multi name define
				while (is_array($s_t)) {
					$s_t = $s_t[0];
				}
				// Still can't get filename
				if (empty($s_t)) {
					// Name it ...
					$rs['filename'] = $this->NameAttachment($rs['type']);
				} else {
					// Set the filename
					//$rs['filename'] = imap_utf8($s_t);
					$rs['filename'] = Rfc2047Decode($s_t);

The function Rfc2047Decode() has been deprecated with message: Use Fwlib\Util\Rfc2047::decode()

				}

				// Some bad mail client didn't set the attach mime right
				// Content-Type: application/octet-stream;
				//	name="Dave_Nitsche_036.jpg"
				if ('.jpg' == strtolower(substr($rs['filename'], strlen($rs['filename']) - 4)))

This code seems to be duplicated across your project.

					$rs['type'] = 'image/jpeg';
				if ('.gif' == strtolower(substr($rs['filename'], strlen($rs['filename']) - 4)))

This code seems to be duplicated across your project.

					$rs['type'] = 'image/gif';
				if ('.png' == strtolower(substr($rs['filename'], strlen($rs['filename']) - 4))) {

This code seems to be duplicated across your project.

					$rs['type'] = 'image/png';
				}

			} else {
				// Not an attachment
				$rs['filename'] = '';
			}

			// 7bit, 8bit, inline need no change to $s_body

			// Set $s_body
			$rs['content'] = $s_body;
		}

		return $rs;
	} // end of func ParseDecode