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E:/E/GEAMP/www/openbiz/openbiz/others/Zend/Mime.php

00001 <?php
00031 class Zend_Mime
00032 {
00033     const TYPE_OCTETSTREAM = 'application/octet-stream';
00034     const TYPE_TEXT = 'text/plain';
00035     const TYPE_HTML = 'text/html';
00036     const ENCODING_7BIT = '7bit';
00037     const ENCODING_8BIT = '8bit';
00038     const ENCODING_QUOTEDPRINTABLE = 'quoted-printable';
00039     const ENCODING_BASE64 = 'base64';
00040     const DISPOSITION_ATTACHMENT = 'attachment';
00041     const DISPOSITION_INLINE = 'inline';
00042     const LINELENGTH = 72;
00043     const LINEEND = "\n";
00044     const MULTIPART_ALTERNATIVE = 'multipart/alternative';
00045     const MULTIPART_MIXED = 'multipart/mixed';
00046     const MULTIPART_RELATED = 'multipart/related';
00047 
00048     protected $_boundary;
00049     protected static $makeUnique = 0;
00050 
00051     // lookup-Tables for QuotedPrintable
00052     public static $qpKeys = array(
00053         "\x00","\x01","\x02","\x03","\x04","\x05","\x06","\x07",
00054         "\x08","\x09","\x0A","\x0B","\x0C","\x0D","\x0E","\x0F",
00055         "\x10","\x11","\x12","\x13","\x14","\x15","\x16","\x17",
00056         "\x18","\x19","\x1A","\x1B","\x1C","\x1D","\x1E","\x1F",
00057         "\x7F","\x80","\x81","\x82","\x83","\x84","\x85","\x86",
00058         "\x87","\x88","\x89","\x8A","\x8B","\x8C","\x8D","\x8E",
00059         "\x8F","\x90","\x91","\x92","\x93","\x94","\x95","\x96",
00060         "\x97","\x98","\x99","\x9A","\x9B","\x9C","\x9D","\x9E",
00061         "\x9F","\xA0","\xA1","\xA2","\xA3","\xA4","\xA5","\xA6",
00062         "\xA7","\xA8","\xA9","\xAA","\xAB","\xAC","\xAD","\xAE",
00063         "\xAF","\xB0","\xB1","\xB2","\xB3","\xB4","\xB5","\xB6",
00064         "\xB7","\xB8","\xB9","\xBA","\xBB","\xBC","\xBD","\xBE",
00065         "\xBF","\xC0","\xC1","\xC2","\xC3","\xC4","\xC5","\xC6",
00066         "\xC7","\xC8","\xC9","\xCA","\xCB","\xCC","\xCD","\xCE",
00067         "\xCF","\xD0","\xD1","\xD2","\xD3","\xD4","\xD5","\xD6",
00068         "\xD7","\xD8","\xD9","\xDA","\xDB","\xDC","\xDD","\xDE",
00069         "\xDF","\xE0","\xE1","\xE2","\xE3","\xE4","\xE5","\xE6",
00070         "\xE7","\xE8","\xE9","\xEA","\xEB","\xEC","\xED","\xEE",
00071         "\xEF","\xF0","\xF1","\xF2","\xF3","\xF4","\xF5","\xF6",
00072         "\xF7","\xF8","\xF9","\xFA","\xFB","\xFC","\xFD","\xFE",
00073         "\xFF"
00074         );
00075 
00076     public static $qpReplaceValues = array(
00077         "=00","=01","=02","=03","=04","=05","=06","=07",
00078         "=08","=09","=0A","=0B","=0C","=0D","=0E","=0F",
00079         "=10","=11","=12","=13","=14","=15","=16","=17",
00080         "=18","=19","=1A","=1B","=1C","=1D","=1E","=1F",
00081         "=7F","=80","=81","=82","=83","=84","=85","=86",
00082         "=87","=88","=89","=8A","=8B","=8C","=8D","=8E",
00083         "=8F","=90","=91","=92","=93","=94","=95","=96",
00084         "=97","=98","=99","=9A","=9B","=9C","=9D","=9E",
00085         "=9F","=A0","=A1","=A2","=A3","=A4","=A5","=A6",
00086         "=A7","=A8","=A9","=AA","=AB","=AC","=AD","=AE",
00087         "=AF","=B0","=B1","=B2","=B3","=B4","=B5","=B6",
00088         "=B7","=B8","=B9","=BA","=BB","=BC","=BD","=BE",
00089         "=BF","=C0","=C1","=C2","=C3","=C4","=C5","=C6",
00090         "=C7","=C8","=C9","=CA","=CB","=CC","=CD","=CE",
00091         "=CF","=D0","=D1","=D2","=D3","=D4","=D5","=D6",
00092         "=D7","=D8","=D9","=DA","=DB","=DC","=DD","=DE",
00093         "=DF","=E0","=E1","=E2","=E3","=E4","=E5","=E6",
00094         "=E7","=E8","=E9","=EA","=EB","=EC","=ED","=EE",
00095         "=EF","=F0","=F1","=F2","=F3","=F4","=F5","=F6",
00096         "=F7","=F8","=F9","=FA","=FB","=FC","=FD","=FE",
00097         "=FF"
00098         );
00099 
00100     public static $qpKeysString =
00101          "\x00\x01\x02\x03\x04\x05\x06\x07\x08\x09\x0A\x0B\x0C\x0D\x0E\x0F\x10\x11\x12\x13\x14\x15\x16\x17\x18\x19\x1A\x1B\x1C\x1D\x1E\x1F\x7F\x80\x81\x82\x83\x84\x85\x86\x87\x88\x89\x8A\x8B\x8C\x8D\x8E\x8F\x90\x91\x92\x93\x94\x95\x96\x97\x98\x99\x9A\x9B\x9C\x9D\x9E\x9F\xA0\xA1\xA2\xA3\xA4\xA5\xA6\xA7\xA8\xA9\xAA\xAB\xAC\xAD\xAE\xAF\xB0\xB1\xB2\xB3\xB4\xB5\xB6\xB7\xB8\xB9\xBA\xBB\xBC\xBD\xBE\xBF\xC0\xC1\xC2\xC3\xC4\xC5\xC6\xC7\xC8\xC9\xCA\xCB\xCC\xCD\xCE\xCF\xD0\xD1\xD2\xD3\xD4\xD5\xD6\xD7\xD8\xD9\xDA\xDB\xDC\xDD\xDE\xDF\xE0\xE1\xE2\xE3\xE4\xE5\xE6\xE7\xE8\xE9\xEA\xEB\xEC\xED\xEE\xEF\xF0\xF1\xF2\xF3\xF4\xF5\xF6\xF7\xF8\xF9\xFA\xFB\xFC\xFD\xFE\xFF";
00102 
00112     public static function isPrintable($str)
00113     {
00114         return (strcspn($str, self::$qpKeysString) == strlen($str));
00115     }
00116 
00125     public static function encodeQuotedPrintable($str,
00126         $lineLength = self::LINELENGTH,
00127         $lineEnd = self::LINEEND)
00128     {
00129         $out = '';
00130         $str = self::_encodeQuotedPrintable($str);
00131 
00132         // Split encoded text into separate lines
00133         while ($str) {
00134             $ptr = strlen($str);
00135             if ($ptr > $lineLength) {
00136                 $ptr = $lineLength;
00137             }
00138 
00139             // Ensure we are not splitting across an encoded character
00140             $pos = strrpos(substr($str, 0, $ptr), '=');
00141             if ($pos !== false && $pos >= $ptr - 2) {
00142                 $ptr = $pos;
00143             }
00144 
00145             // Check if there is a space at the end of the line and rewind
00146             if ($ptr > 0 && $str[$ptr - 1] == ' ') {
00147                 --$ptr;
00148             }
00149 
00150             // Add string and continue
00151             $out .= substr($str, 0, $ptr) . '=' . $lineEnd;
00152             $str = substr($str, $ptr);
00153         }
00154 
00155         $out = rtrim($out, $lineEnd);
00156         $out = rtrim($out, '=');
00157         return $out;
00158     }
00159 
00166     private static function _encodeQuotedPrintable($str)
00167     {
00168         $str = str_replace('=', '=3D', $str);
00169         $str = str_replace(self::$qpKeys, self::$qpReplaceValues, $str);
00170         $str = rtrim($str);
00171         return $str;
00172     }
00173 
00186     public static function encodeQuotedPrintableHeader($str, $charset,
00187         $lineLength = self::LINELENGTH,
00188         $lineEnd = self::LINEEND)
00189     {
00190         // Reduce line-length by the length of the required delimiter, charsets and encoding
00191         $prefix = sprintf('=?%s?Q?', $charset);
00192         $lineLength = $lineLength-strlen($prefix)-3;
00193 
00194         $str = self::_encodeQuotedPrintable($str);
00195 
00196         // Mail-Header required chars have to be encoded also:
00197         $str = str_replace(array('?', ' ', '_'), array('=3F', '=20', '=5F'), $str);
00198 
00199         // initialize first line, we need it anyways
00200         $lines = array(0 => "");
00201 
00202         // Split encoded text into separate lines
00203         $tmp = "";
00204         while(strlen($str) > 0) {
00205             $currentLine = max(count($lines)-1, 0);
00206             $token       = self::getNextQuotedPrintableToken($str);
00207             $str         = substr($str, strlen($token));
00208 
00209             $tmp .= $token;
00210             if($token == '=20') {
00211                 // only if we have a single char token or space, we can append the
00212                 // tempstring it to the current line or start a new line if necessary.
00213                 if(strlen($lines[$currentLine].$tmp) > $lineLength) {
00214                     $lines[$currentLine+1] = $tmp;
00215                 } else {
00216                     $lines[$currentLine] .= $tmp;
00217                 }
00218                 $tmp = "";
00219             }
00220             // don't forget to append the rest to the last line
00221             if(strlen($str) == 0) {
00222                 $lines[$currentLine] .= $tmp;
00223             }
00224         }
00225 
00226         // assemble the lines together by pre- and appending delimiters, charset, encoding.
00227         for($i = 0; $i < count($lines); $i++) {
00228             $lines[$i] = " ".$prefix.$lines[$i]."?=";
00229         }
00230         $str = trim(implode($lineEnd, $lines));
00231         return $str;
00232     }
00233 
00240     private static function getNextQuotedPrintableToken($str)
00241     {
00242         if(substr($str, 0, 1) == "=") {
00243             $token = substr($str, 0, 3);
00244         } else {
00245             $token = substr($str, 0, 1);
00246         }
00247         return $token;
00248     }
00249 
00259     public static function encodeBase64Header($str,
00260         $charset,
00261         $lineLength = self::LINELENGTH,
00262         $lineEnd = self::LINEEND)
00263     {
00264         $prefix = '=?' . $charset . '?B?';
00265         $suffix = '?=';
00266         $remainingLength = $lineLength - strlen($prefix) - strlen($suffix);
00267 
00268         $encodedValue = self::encodeBase64($str, $remainingLength, $lineEnd);
00269         $encodedValue = str_replace($lineEnd, $suffix . $lineEnd . ' ' . $prefix, $encodedValue);
00270         $encodedValue = $prefix . $encodedValue . $suffix;
00271         return $encodedValue;
00272     }
00273 
00283     public static function encodeBase64($str,
00284         $lineLength = self::LINELENGTH,
00285         $lineEnd = self::LINEEND)
00286     {
00287         return rtrim(chunk_split(base64_encode($str), $lineLength, $lineEnd));
00288     }
00289 
00297     public function __construct($boundary = null)
00298     {
00299         // This string needs to be somewhat unique
00300         if ($boundary === null) {
00301             $this->_boundary = '=_' . md5(microtime(1) . self::$makeUnique++);
00302         } else {
00303             $this->_boundary = $boundary;
00304         }
00305     }
00306 
00315     public static function encode($str, $encoding, $EOL = self::LINEEND)
00316     {
00317         switch ($encoding) {
00318             case self::ENCODING_BASE64:
00319                 return self::encodeBase64($str, self::LINELENGTH, $EOL);
00320 
00321             case self::ENCODING_QUOTEDPRINTABLE:
00322                 return self::encodeQuotedPrintable($str, self::LINELENGTH, $EOL);
00323 
00324             default:
00328                 return $str;
00329         }
00330     }
00331 
00338     public function boundary()
00339     {
00340         return $this->_boundary;
00341     }
00342 
00350     public function boundaryLine($EOL = self::LINEEND)
00351     {
00352         return $EOL . '--' . $this->_boundary . $EOL;
00353     }
00354 
00361     public function mimeEnd($EOL = self::LINEEND)
00362     {
00363         return $EOL . '--' . $this->_boundary . '--' . $EOL;
00364     }
00365 }

Generated on Thu Apr 19 2012 17:01:18 for openbiz by  doxygen 1.7.2