mail.php ➔ mail_send() - Code Metrics - Inspection of "test the collator fallback always" - splitbrain/dokuwiki - Measure and Improve Code Quality continuously with Scrutinizer

Failed Conditions

Push — pr/3115 ( f9aa34 )

by Andreas

created 2020-08-11 13:11 UTC

mail.php ➔ mail_send() A

↳ Parent: Project

Complexity

Conditions	1
Paths	1

Size

Total Lines

Duplication

Lines	0
Ratio	0 %

Importance

Changes

Metric	Value
cc	1
nc	1
nop	8
dl	0
loc	5
rs	10
c	0
b	0
f	0

How to fix Many Parameters

<?php
/**
 * Mail functions
 *
 * @license    GPL 2 (http://www.gnu.org/licenses/gpl.html)
 * @author     Andreas Gohr <[email protected]>
 */

// end of line for mail lines - RFC822 says CRLF but postfix (and other MTAs?)
// think different
use dokuwiki\Extension\Event;

if(!defined('MAILHEADER_EOL')) define('MAILHEADER_EOL',"\n");
#define('MAILHEADER_ASCIIONLY',1);

/**
 * Patterns for use in email detection and validation
 *
 * NOTE: there is an unquoted '/' in RFC2822_ATEXT, it must remain unquoted to be used in the parser
 * the pattern uses non-capturing groups as captured groups aren't allowed in the parser
 * select pattern delimiters with care!
 *
 * May not be completly RFC conform!
 * @link http://www.faqs.org/rfcs/rfc2822.html (paras 3.4.1 & 3.2.4)
 *
 * @author Chris Smith <[email protected]>
 * Check if a given mail address is valid
 */
if (!defined('RFC2822_ATEXT')) define('RFC2822_ATEXT',"0-9a-zA-Z!#$%&'*+/=?^_`{|}~-");
if (!defined('PREG_PATTERN_VALID_EMAIL')) define(
    'PREG_PATTERN_VALID_EMAIL',
    '['.RFC2822_ATEXT.']+(?:\.['.RFC2822_ATEXT.']+)*@(?i:[0-9a-z][0-9a-z-]*\.)+(?i:[a-z]{2,63})'
);

/**
 * Prepare mailfrom replacement patterns
 *
 * Also prepares a mailfromnobody config that contains an autoconstructed address
 * if the mailfrom one is userdependent and this might not be wanted (subscriptions)
 *
 * @author Andreas Gohr <[email protected]>
 */
function mail_setup(){
    global $conf;
    global $USERINFO;
    /** @var Input $INPUT */
    global $INPUT;

    // auto constructed address
    $host = @parse_url(DOKU_URL,PHP_URL_HOST);
    if(!$host) $host = 'example.com';
    $noreply = 'noreply@'.$host;

    $replace = array();
    if(!empty($USERINFO['mail'])){
        $replace['@MAIL@'] = $USERINFO['mail'];
    }else{
        $replace['@MAIL@'] = $noreply;
    }

    // use 'noreply' if no user
    $replace['@USER@'] = $INPUT->server->str('REMOTE_USER', 'noreply', true);

    if(!empty($USERINFO['name'])){
        $replace['@NAME@'] = $USERINFO['name'];
    }else{
        $replace['@NAME@'] = '';
    }

    // apply replacements
    $from = str_replace(array_keys($replace),
                        array_values($replace),
                        $conf['mailfrom']);

    // any replacements done? set different mailfromnone
    if($from != $conf['mailfrom']){
        $conf['mailfromnobody'] = $noreply;
    }else{
        $conf['mailfromnobody'] = $from;
    }
    $conf['mailfrom'] = $from;
}

/**
 * UTF-8 autoencoding replacement for PHPs mail function
 *
 * Email address fields (To, From, Cc, Bcc can contain a textpart and an address
 * like this: 'Andreas Gohr <[email protected]>' - the text part is encoded
 * automatically. You can seperate receivers by commas.
 *
 * @param string $to      Receiver of the mail (multiple seperated by commas)
 * @param string $subject Mailsubject
 * @param string $body    Messagebody
 * @param string $from    Sender address
 * @param string $cc      CarbonCopy receiver (multiple seperated by commas)
 * @param string $bcc     BlindCarbonCopy receiver (multiple seperated by commas)
 * @param string $headers Additional Headers (seperated by MAILHEADER_EOL
 * @param string $params  Additonal Sendmail params (passed to mail())
 *
 * @author Andreas Gohr <[email protected]>
 * @see    mail()
 *
 * @deprecated User the Mailer:: class instead
 */
function mail_send($to, $subject, $body, $from='', $cc='', $bcc='', $headers=null, $params=null){
    dbg_deprecated('class Mailer::');
    $message = compact('to','subject','body','from','cc','bcc','headers','params');
    return Event::createAndTrigger('MAIL_MESSAGE_SEND',$message,'_mail_send_action');
}

/**
 * @param $data
 * @return bool
 *
 * @deprecated User the Mailer:: class instead
 */
function _mail_send_action($data) {
    dbg_deprecated('class Mailer::');
    // retrieve parameters from event data, $to, $subject, $body, $from, $cc, $bcc, $headers, $params
    $to = $data['to'];
    $subject = $data['subject'];
    $body = $data['body'];

    // add robustness in case plugin removes any of these optional values
    $from = isset($data['from']) ? $data['from'] : '';
    $cc = isset($data['cc']) ? $data['cc'] : '';
    $bcc = isset($data['bcc']) ? $data['bcc'] : '';
    $headers = isset($data['headers']) ? $data['headers'] : null;
    $params = isset($data['params']) ? $data['params'] : null;

    // discard mail request if no recipients are available
    if(trim($to) === '' && trim($cc) === '' && trim($bcc) === '') return false;

    // end additional code to support event ... original mail_send() code from here

    if(defined('MAILHEADER_ASCIIONLY')){
        $subject = \dokuwiki\Utf8\Clean::deaccent($subject);
        $subject = \dokuwiki\Utf8\Clean::strip($subject);
    }

    if(!\dokuwiki\Utf8\Clean::isASCII($subject)) {
        $enc_subj = '=?UTF-8?Q?'.mail_quotedprintable_encode($subject,0).'?=';
        // Spaces must be encoded according to rfc2047. Use the "_" shorthand
        $enc_subj = preg_replace('/ /', '_', $enc_subj);

        // quoted printable has length restriction, use base64 if needed
        if(strlen($subject) > 74){
            $enc_subj = '=?UTF-8?B?'.base64_encode($subject).'?=';
        }

        $subject = $enc_subj;
    }

    $header  = '';

    // No named recipients for To: in Windows (see FS#652)
    $usenames = (strtoupper(substr(PHP_OS, 0, 3)) === 'WIN') ? false : true;

    $to = mail_encode_address($to,'',$usenames);

    $header .= mail_encode_address($from,'From');

    $header .= mail_encode_address($cc,'Cc');

    $header .= mail_encode_address($bcc,'Bcc');

    $header .= 'MIME-Version: 1.0'.MAILHEADER_EOL;
    $header .= 'Content-Type: text/plain; charset=UTF-8'.MAILHEADER_EOL;
    $header .= 'Content-Transfer-Encoding: quoted-printable'.MAILHEADER_EOL;
    $header .= $headers;
    $header  = trim($header);

    $body = mail_quotedprintable_encode($body);

    if($params == null){
        return @mail($to,$subject,$body,$header);
    }else{
        return @mail($to,$subject,$body,$header,$params);
    }
}

/**
 * Encodes an email address header
 *
 * Unicode characters will be deaccented and encoded
 * quoted_printable for headers.
 * Addresses may not contain Non-ASCII data!
 *
 * Example:
 *   mail_encode_address("föö <[email protected]>, [email protected]","TBcc");
 *
 * @param string  $string Multiple adresses separated by commas
 * @param string  $header Name of the header (To,Bcc,Cc,...)
 * @param boolean $names  Allow named Recipients?
 *
 * @deprecated User the Mailer:: class instead
 */
function mail_encode_address($string,$header='',$names=true){
    dbg_deprecated('class Mailer::');
    $headers = '';
    $parts = explode(',',$string);
    foreach ($parts as $part){
        $part = trim($part);

        // parse address
        if(preg_match('#(.*?)<(.*?)>#',$part,$matches)){
            $text = trim($matches[1]);
            $addr = $matches[2];
        }else{
            $addr = $part;
        }

        // skip empty ones
        if(empty($addr)){
            continue;
        }

        // FIXME: is there a way to encode the localpart of a emailaddress?
        if(!\dokuwiki\Utf8\Clean::isASCII($addr)){
            msg(hsc("E-Mail address <$addr> is not ASCII"),-1);
            continue;
        }

        if(!mail_isvalid($addr)){
            msg(hsc("E-Mail address <$addr> is not valid"),-1);
            continue;
        }

        // text was given
        if(!empty($text) && $names){
            // add address quotes
            $addr = "<$addr>";

            if(defined('MAILHEADER_ASCIIONLY')){
                $text = \dokuwiki\Utf8\Clean::deaccent($text);
                $text = \dokuwiki\Utf8\Clean::strip($text);
            }

            if(!\dokuwiki\Utf8\Clean::isASCII($text)){
                // put the quotes outside as in =?UTF-8?Q?"Elan Ruusam=C3=A4e"?= vs "=?UTF-8?Q?Elan Ruusam=C3=A4e?="
                if (preg_match('/^"(.+)"$/', $text, $matches)) {
                    $text = '"=?UTF-8?Q?'.mail_quotedprintable_encode($matches[1], 0).'?="';
                } else {
                    $text = '=?UTF-8?Q?'.mail_quotedprintable_encode($text, 0).'?=';
                }
                // additionally the space character should be encoded as =20 (or each
                // word QP encoded separately).
                // however this is needed only in mail headers, not globally in mail_quotedprintable_encode().
                $text = str_replace(" ", "=20", $text);
            }
        }else{
            $text = '';
        }

        // add to header comma seperated
        if($headers != ''){
            $headers .= ',';
            if($header) $headers .= MAILHEADER_EOL.' '; // avoid overlong mail headers
        }
        $headers .= $text.' '.$addr;
    }

    if(empty($headers)) return null;

    //if headername was given add it and close correctly
    if($header) $headers = $header.': '.$headers.MAILHEADER_EOL;

    return $headers;
}

/**
 * Check if a given mail address is valid
 *
 * @param   string $email the address to check
 * @return  bool          true if address is valid
 */
function mail_isvalid($email) {
    return EmailAddressValidator::checkEmailAddress($email, true);
}

/**
 * Quoted printable encoding
 *
 * @author umu <umuAThrz.tu-chemnitz.de>
 * @link   http://php.net/manual/en/function.imap-8bit.php#61216
 *
 * @param string $sText
 * @param int $maxlen
 * @param bool $bEmulate_imap_8bit
 *
 * @return string
 */
function mail_quotedprintable_encode($sText,$maxlen=74,$bEmulate_imap_8bit=true) {
    // split text into lines
    $aLines= preg_split("/(?:\r\n|\r|\n)/", $sText);
    $cnt = count($aLines);

    for ($i=0;$i<$cnt;$i++) {
        $sLine =& $aLines[$i];
        if (strlen($sLine)===0) continue; // do nothing, if empty

        $sRegExp = '/[^\x09\x20\x21-\x3C\x3E-\x7E]/e';

        // imap_8bit encodes x09 everywhere, not only at lineends,
        // for EBCDIC safeness encode !"#$@[\]^`{|}~,
        // for complete safeness encode every character :)
        if ($bEmulate_imap_8bit)
            $sRegExp = '/[^\x20\x21-\x3C\x3E-\x7E]/';

        $sLine = preg_replace_callback( $sRegExp, 'mail_quotedprintable_encode_callback', $sLine );

        // encode x09,x20 at lineends
        {
            $iLength = strlen($sLine);
            $iLastChar = ord($sLine[$iLength-1]);

            //              !!!!!!!!
            // imap_8_bit does not encode x20 at the very end of a text,
            // here is, where I don't agree with imap_8_bit,
            // please correct me, if I'm wrong,
            // or comment next line for RFC2045 conformance, if you like
            if (!($bEmulate_imap_8bit && ($i==count($aLines)-1))){
                if (($iLastChar==0x09)||($iLastChar==0x20)) {
                    $sLine[$iLength-1]='=';
                    $sLine .= ($iLastChar==0x09)?'09':'20';
                }
            }
        }    // imap_8bit encodes x20 before chr(13), too
        // although IMHO not requested by RFC2045, why not do it safer :)
        // and why not encode any x20 around chr(10) or chr(13)
        if ($bEmulate_imap_8bit) {
            $sLine=str_replace(' =0D','=20=0D',$sLine);
            //$sLine=str_replace(' =0A','=20=0A',$sLine);
            //$sLine=str_replace('=0D ','=0D=20',$sLine);
            //$sLine=str_replace('=0A ','=0A=20',$sLine);
        }

        // finally split into softlines no longer than $maxlen chars,
        // for even more safeness one could encode x09,x20
        // at the very first character of the line
        // and after soft linebreaks, as well,
        // but this wouldn't be caught by such an easy RegExp
        if($maxlen){
            preg_match_all( '/.{1,'.($maxlen - 2).'}([^=]{0,2})?/', $sLine, $aMatch );
            $sLine = implode( '=' . MAILHEADER_EOL, $aMatch[0] ); // add soft crlf's
        }
    }

    // join lines into text
    return implode(MAILHEADER_EOL,$aLines);
}

function mail_quotedprintable_encode_callback($matches){
    return sprintf( "=%02X", ord ( $matches[0] ) ) ;
}


1			<?php
2			/**
3			* Mail functions
4			*
5			* @license GPL 2 (http://www.gnu.org/licenses/gpl.html)
6			* @author Andreas Gohr <[email protected]>
7			*/
8
9			// end of line for mail lines - RFC822 says CRLF but postfix (and other MTAs?)
10			// think different
11			use dokuwiki\Extension\Event;
12
13			if(!defined('MAILHEADER_EOL')) define('MAILHEADER_EOL',"\n");
14			#define('MAILHEADER_ASCIIONLY',1);
15
16			/**
17			* Patterns for use in email detection and validation
18			*
19			* NOTE: there is an unquoted '/' in RFC2822_ATEXT, it must remain unquoted to be used in the parser
20			* the pattern uses non-capturing groups as captured groups aren't allowed in the parser
21			* select pattern delimiters with care!
22			*
23			* May not be completly RFC conform!
24			* @link http://www.faqs.org/rfcs/rfc2822.html (paras 3.4.1 & 3.2.4)
25			*
26			* @author Chris Smith <[email protected]>
27			* Check if a given mail address is valid
28			*/
29			if (!defined('RFC2822_ATEXT')) define('RFC2822_ATEXT',"0-9a-zA-Z!#$%&'*+/=?^_`{\|}~-");
30			if (!defined('PREG_PATTERN_VALID_EMAIL')) define(
31			'PREG_PATTERN_VALID_EMAIL',
32			'['.RFC2822_ATEXT.']+(?:\.['.RFC2822_ATEXT.']+)@(?i:[0-9a-z][0-9a-z-]\.)+(?i:[a-z]{2,63})'
33			);
34
35			/**
36			* Prepare mailfrom replacement patterns
37			*
38			* Also prepares a mailfromnobody config that contains an autoconstructed address
39			* if the mailfrom one is userdependent and this might not be wanted (subscriptions)
40			*
41			* @author Andreas Gohr <[email protected]>
42			*/
43			function mail_setup(){
44			global $conf;
45			global $USERINFO;
46			/** @var Input $INPUT */
47			global $INPUT;
48
49			// auto constructed address
50			$host = @parse_url(DOKU_URL,PHP_URL_HOST);
51			if(!$host) $host = 'example.com';
52			$noreply = 'noreply@'.$host;
53
54			$replace = array();
55			if(!empty($USERINFO['mail'])){
56			$replace['@MAIL@'] = $USERINFO['mail'];
57			}else{
58			$replace['@MAIL@'] = $noreply;
59			}
60
61			// use 'noreply' if no user
62			$replace['@USER@'] = $INPUT->server->str('REMOTE_USER', 'noreply', true);
63
64			if(!empty($USERINFO['name'])){
65			$replace['@NAME@'] = $USERINFO['name'];
66			}else{
67			$replace['@NAME@'] = '';
68			}
69
70			// apply replacements
71			$from = str_replace(array_keys($replace),
72			array_values($replace),
73			$conf['mailfrom']);
74
75			// any replacements done? set different mailfromnone
76			if($from != $conf['mailfrom']){
77			$conf['mailfromnobody'] = $noreply;
78			}else{
79			$conf['mailfromnobody'] = $from;
80			}
81			$conf['mailfrom'] = $from;
82			}
83
84			/**
85			* UTF-8 autoencoding replacement for PHPs mail function
86			*
87			* Email address fields (To, From, Cc, Bcc can contain a textpart and an address
88			* like this: 'Andreas Gohr <[email protected]>' - the text part is encoded
89			* automatically. You can seperate receivers by commas.
90			*
91			* @param string $to Receiver of the mail (multiple seperated by commas)
92			* @param string $subject Mailsubject
93			* @param string $body Messagebody
94			* @param string $from Sender address
95			* @param string $cc CarbonCopy receiver (multiple seperated by commas)
96			* @param string $bcc BlindCarbonCopy receiver (multiple seperated by commas)
97			* @param string $headers Additional Headers (seperated by MAILHEADER_EOL
98			* @param string $params Additonal Sendmail params (passed to mail())
99			*
100			* @author Andreas Gohr <[email protected]>
101			* @see mail()
102			*
103			* @deprecated User the Mailer:: class instead
104			*/
105			function mail_send($to, $subject, $body, $from='', $cc='', $bcc='', $headers=null, $params=null){
106			dbg_deprecated('class Mailer::');
107			$message = compact('to','subject','body','from','cc','bcc','headers','params');
108			return Event::createAndTrigger('MAIL_MESSAGE_SEND',$message,'_mail_send_action');
109			}
110
111			/**
112			* @param $data
113			* @return bool
114			*
115			* @deprecated User the Mailer:: class instead
116			*/
117			function _mail_send_action($data) {
118			dbg_deprecated('class Mailer::');
119			// retrieve parameters from event data, $to, $subject, $body, $from, $cc, $bcc, $headers, $params
120			$to = $data['to'];
121			$subject = $data['subject'];
122			$body = $data['body'];
123
124			// add robustness in case plugin removes any of these optional values
125			$from = isset($data['from']) ? $data['from'] : '';
126			$cc = isset($data['cc']) ? $data['cc'] : '';
127			$bcc = isset($data['bcc']) ? $data['bcc'] : '';
128			$headers = isset($data['headers']) ? $data['headers'] : null;
129			$params = isset($data['params']) ? $data['params'] : null;
130
131			// discard mail request if no recipients are available
132			if(trim($to) === '' && trim($cc) === '' && trim($bcc) === '') return false;
133
134			// end additional code to support event ... original mail_send() code from here
135
136			if(defined('MAILHEADER_ASCIIONLY')){
137			$subject = \dokuwiki\Utf8\Clean::deaccent($subject);
138			$subject = \dokuwiki\Utf8\Clean::strip($subject);
139			}
140
141			if(!\dokuwiki\Utf8\Clean::isASCII($subject)) {
142			$enc_subj = '=?UTF-8?Q?'.mail_quotedprintable_encode($subject,0).'?=';
143			// Spaces must be encoded according to rfc2047. Use the "_" shorthand
144			$enc_subj = preg_replace('/ /', '_', $enc_subj);
145
146			// quoted printable has length restriction, use base64 if needed
147			if(strlen($subject) > 74){
148			$enc_subj = '=?UTF-8?B?'.base64_encode($subject).'?=';
149			}
150
151			$subject = $enc_subj;
152			}
153
154			$header = '';
155
156			// No named recipients for To: in Windows (see FS#652)
157			$usenames = (strtoupper(substr(PHP_OS, 0, 3)) === 'WIN') ? false : true;
158
159			$to = mail_encode_address($to,'',$usenames);
			0 ignored issues – show Deprecated Code introduced 2015-11-25 07:06 UTC by Report Bug Copy Issue Report The function `mail_encode_address()` has been deprecated with message: User the Mailer:: class instead This function has been deprecated. The supplier of the file has supplied an explanatory message. The explanatory message should give you some clue as to whether and when the function will be removed from the class and what other function to use instead. Loading history...
160			$header .= mail_encode_address($from,'From');
			0 ignored issues – show Deprecated Code introduced 2015-11-25 07:06 UTC by Report Bug Copy Issue Report The function `mail_encode_address()` has been deprecated with message: User the Mailer:: class instead This function has been deprecated. The supplier of the file has supplied an explanatory message. The explanatory message should give you some clue as to whether and when the function will be removed from the class and what other function to use instead. Loading history...
161			$header .= mail_encode_address($cc,'Cc');
			0 ignored issues – show Deprecated Code introduced 2015-11-25 07:06 UTC by Report Bug Copy Issue Report The function `mail_encode_address()` has been deprecated with message: User the Mailer:: class instead This function has been deprecated. The supplier of the file has supplied an explanatory message. The explanatory message should give you some clue as to whether and when the function will be removed from the class and what other function to use instead. Loading history...
162			$header .= mail_encode_address($bcc,'Bcc');
			0 ignored issues – show Deprecated Code introduced 2015-11-25 07:06 UTC by Report Bug Copy Issue Report The function `mail_encode_address()` has been deprecated with message: User the Mailer:: class instead This function has been deprecated. The supplier of the file has supplied an explanatory message. The explanatory message should give you some clue as to whether and when the function will be removed from the class and what other function to use instead. Loading history...
163			$header .= 'MIME-Version: 1.0'.MAILHEADER_EOL;
164			$header .= 'Content-Type: text/plain; charset=UTF-8'.MAILHEADER_EOL;
165			$header .= 'Content-Transfer-Encoding: quoted-printable'.MAILHEADER_EOL;
166			$header .= $headers;
167			$header = trim($header);
168
169			$body = mail_quotedprintable_encode($body);
170
171			if($params == null){
172			return @mail($to,$subject,$body,$header);
173			}else{
174			return @mail($to,$subject,$body,$header,$params);
175			}
176			}
177
178			/**
179			* Encodes an email address header
180			*
181			* Unicode characters will be deaccented and encoded
182			* quoted_printable for headers.
183			* Addresses may not contain Non-ASCII data!
184			*
185			* Example:
186			* mail_encode_address("föö <[email protected]>, [email protected]","TBcc");
187			*
188			* @param string $string Multiple adresses separated by commas
189			* @param string $header Name of the header (To,Bcc,Cc,...)
190			* @param boolean $names Allow named Recipients?
191			*
192			* @deprecated User the Mailer:: class instead
193			*/
194			function mail_encode_address($string,$header='',$names=true){
195			dbg_deprecated('class Mailer::');
196			$headers = '';
197			$parts = explode(',',$string);
198			foreach ($parts as $part){
199			$part = trim($part);
200
201			// parse address
202			if(preg_match('#(.?)<(.?)>#',$part,$matches)){
203			$text = trim($matches[1]);
204			$addr = $matches[2];
205			}else{
206			$addr = $part;
207			}
208
209			// skip empty ones
210			if(empty($addr)){
211			continue;
212			}
213
214			// FIXME: is there a way to encode the localpart of a emailaddress?
215			if(!\dokuwiki\Utf8\Clean::isASCII($addr)){
216			msg(hsc("E-Mail address <$addr> is not ASCII"),-1);
217			continue;
218			}
219
220			if(!mail_isvalid($addr)){
221			msg(hsc("E-Mail address <$addr> is not valid"),-1);
222			continue;
223			}
224
225			// text was given
226			if(!empty($text) && $names){
227			// add address quotes
228			$addr = "<$addr>";
229
230			if(defined('MAILHEADER_ASCIIONLY')){
231			$text = \dokuwiki\Utf8\Clean::deaccent($text);
232			$text = \dokuwiki\Utf8\Clean::strip($text);
233			}
234
235			if(!\dokuwiki\Utf8\Clean::isASCII($text)){
236			// put the quotes outside as in =?UTF-8?Q?"Elan Ruusam=C3=A4e"?= vs "=?UTF-8?Q?Elan Ruusam=C3=A4e?="
237			if (preg_match('/^"(.+)"$/', $text, $matches)) {
238			$text = '"=?UTF-8?Q?'.mail_quotedprintable_encode($matches[1], 0).'?="';
239			} else {
240			$text = '=?UTF-8?Q?'.mail_quotedprintable_encode($text, 0).'?=';
241			}
242			// additionally the space character should be encoded as =20 (or each
243			// word QP encoded separately).
244			// however this is needed only in mail headers, not globally in mail_quotedprintable_encode().
245			$text = str_replace(" ", "=20", $text);
246			}
247			}else{
248			$text = '';
249			}
250
251			// add to header comma seperated
252			if($headers != ''){
253			$headers .= ',';
254			if($header) $headers .= MAILHEADER_EOL.' '; // avoid overlong mail headers
255			}
256			$headers .= $text.' '.$addr;
257			}
258
259			if(empty($headers)) return null;
260
261			//if headername was given add it and close correctly
262			if($header) $headers = $header.': '.$headers.MAILHEADER_EOL;
263
264			return $headers;
265			}
266
267			/**
268			* Check if a given mail address is valid
269			*
270			* @param string $email the address to check
271			* @return bool true if address is valid
272			*/
273			function mail_isvalid($email) {
274			return EmailAddressValidator::checkEmailAddress($email, true);
275			}
276
277			/**
278			* Quoted printable encoding
279			*
280			* @author umu <umuAThrz.tu-chemnitz.de>
281			* @link http://php.net/manual/en/function.imap-8bit.php#61216
282			*
283			* @param string $sText
284			* @param int $maxlen
285			* @param bool $bEmulate_imap_8bit
286			*
287			* @return string
288			*/
289			function mail_quotedprintable_encode($sText,$maxlen=74,$bEmulate_imap_8bit=true) {
290			// split text into lines
291			$aLines= preg_split("/(?:\r\n\|\r\|\n)/", $sText);
292			$cnt = count($aLines);
293
294			for ($i=0;$i<$cnt;$i++) {
295			$sLine =& $aLines[$i];
296			if (strlen($sLine)===0) continue; // do nothing, if empty
297
298			$sRegExp = '/[^\x09\x20\x21-\x3C\x3E-\x7E]/e';
299
300			// imap_8bit encodes x09 everywhere, not only at lineends,
301			// for EBCDIC safeness encode !"#$@[\]^`{\|}~,
302			// for complete safeness encode every character :)
303			if ($bEmulate_imap_8bit)
304			$sRegExp = '/[^\x20\x21-\x3C\x3E-\x7E]/';
305
306			$sLine = preg_replace_callback( $sRegExp, 'mail_quotedprintable_encode_callback', $sLine );
307
308			// encode x09,x20 at lineends
309			{
310			$iLength = strlen($sLine);
311			$iLastChar = ord($sLine[$iLength-1]);
312
313			// !!!!!!!!
314			// imap_8_bit does not encode x20 at the very end of a text,
315			// here is, where I don't agree with imap_8_bit,
316			// please correct me, if I'm wrong,
317			// or comment next line for RFC2045 conformance, if you like
318			if (!($bEmulate_imap_8bit && ($i==count($aLines)-1))){
319			if (($iLastChar==0x09)\|\|($iLastChar==0x20)) {
320			$sLine[$iLength-1]='=';
321			$sLine .= ($iLastChar==0x09)?'09':'20';
322			}
323			}
324			} // imap_8bit encodes x20 before chr(13), too
325			// although IMHO not requested by RFC2045, why not do it safer :)
326			// and why not encode any x20 around chr(10) or chr(13)
327			if ($bEmulate_imap_8bit) {
328			$sLine=str_replace(' =0D','=20=0D',$sLine);
329			//$sLine=str_replace(' =0A','=20=0A',$sLine);
330			//$sLine=str_replace('=0D ','=0D=20',$sLine);
331			//$sLine=str_replace('=0A ','=0A=20',$sLine);
332			}
333
334			// finally split into softlines no longer than $maxlen chars,
335			// for even more safeness one could encode x09,x20
336			// at the very first character of the line
337			// and after soft linebreaks, as well,
338			// but this wouldn't be caught by such an easy RegExp
339			if($maxlen){
340			preg_match_all( '/.{1,'.($maxlen - 2).'}([^=]{0,2})?/', $sLine, $aMatch );
341			$sLine = implode( '=' . MAILHEADER_EOL, $aMatch[0] ); // add soft crlf's
342			}
343			}
344
345			// join lines into text
346			return implode(MAILHEADER_EOL,$aLines);
347			}
348
349			function mail_quotedprintable_encode_callback($matches){
350			return sprintf( "=%02X", ord ( $matches[0] ) ) ;
351			}
352

splitbrain / dokuwiki

Push — pr/3115 ( f9aa34 )

mail.php ➔ mail_send() A

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