[squirrelmail.git] / functions / imap_general.php

<?php
   /**
    **  imap.php
    **
    **  This implements all functions that do general imap functions.
    **
    **  $Id$
    **/

   if (defined ('imap_general_php'))
      return;
   define ('imap_general_php', true);

   global $imap_general_debug;
   $imap_general_debug = false;

   /******************************************************************************
    **  Reads the output from the IMAP stream.  If handle_errors is set to true,
    **  this will also handle all errors that are received.  If it is not set,
    **  the errors will be sent back through $response and $message
    ******************************************************************************/

   function sqimap_read_data_list ($imap_stream, $pre, $handle_errors,
				   &$response, &$message) {
      global $color, $squirrelmail_language, $imap_general_debug;

      $read = "";
      $resultlist = array();
      
      $more_msgs = true;
      while ($more_msgs) {
         $data = array();
         $total_size = 0;
         while (strpos($read, "\n") === false) {
            $read .= fgets($imap_stream, 9096);
         }

         if (ereg("^\\* [0-9]+ FETCH.*\\{([0-9]+)\\}", $read, $regs)) {
            $size = $regs[1];
         } else if (ereg("^\\* [0-9]+ FETCH", $read, $regs)) {
            // Sizeless response, probably single-line
            // For debugging purposes
            if ($imap_general_debug) {
               echo "<small><tt><font color=\"#CC0000\">$read</font></tt></small><br>\n";
               flush();
            }
            $size = 0;
            $data[] = $read;
            $read = fgets($imap_stream, 9096);
         } else {
            $size = 0;
         }
         while (1) {
            while (strpos($read, "\n") === false) {
               $read .= fgets($imap_stream, 9096);
            }
            // For debugging purposes
            if ($imap_general_debug) {
               echo "<small><tt><font color=\"#CC0000\">$read</font></tt></small><br>\n";
               flush();
            }
            // If we know the size, no need to look at the end parameters
            if ($size > 0) {
               if ($total_size == $size) {
                  // We've reached the end of this 'message', switch to the next one.
                  $data[] = $read;
                  break;
               } else if ($total_size > $size) {
                  $difference = $total_size - $size;
                  $total_size = $total_size - strlen($read);
                  $data[] = substr ($read, 0, strlen($read)-$difference);
                  $read = substr ($read, strlen($read)-$difference, strlen($read));
                  break;
               } else {
                  $data[] = $read;
                  $read = fgets($imap_stream, 9096);
               }
               $total_size += strlen($read);
            } else {
               if (ereg("^$pre (OK|BAD|NO)(.*)", $read, $regs) ||
                   ereg("^\\* [0-9]+ FETCH.*", $read, $regs)) {
                  break;
               } else {
                  $data[] = $read;
                  $read = fgets ($imap_stream, 9096);
               }
            }
         }

         while (($more_msgs = !ereg("^$pre (OK|BAD|NO)(.*)$", $read, $regs)) &&
                !ereg("^\\* [0-9]+ FETCH.*", $read, $regs)) {
            $read = fgets($imap_stream, 9096);
         }
         $resultlist[] = $data;
      }
      $response = $regs[1];
      $message = trim($regs[2]);
      
      if ($imap_general_debug) echo '--<br>';

      if ($handle_errors == false)
          return $resultlist;
     
      if ($response == 'NO') {
         // ignore this error from m$ exchange, it is not fatal (aka bug)
         if (strstr($message, 'command resulted in') === false) {
            set_up_language($squirrelmail_language);
            echo "<br><b><font color=$color[2]>\n";
            echo _("ERROR : Could not complete request.");
            echo "</b><br>\n";
            echo _("Reason Given: ");
            echo $message . "</font><br>\n";
            exit;
         }
      } else if ($response == 'BAD') {
         set_up_language($squirrelmail_language);
         echo "<br><b><font color=$color[2]>\n";
         echo _("ERROR : Bad or malformed request.");
         echo "</b><br>\n";
         echo _("Server responded: ");
         echo $message . "</font><br>\n";
         exit;
      }
      return $resultlist;
   }

   function sqimap_read_data ($imap_stream, $pre, $handle_errors, &$response, &$message) {
   	$res = sqimap_read_data_list($imap_stream, $pre, $handle_errors, $response, $message);
	return $res[0];
   }
   
   /******************************************************************************
    **  Logs the user into the imap server.  If $hide is set, no error messages
    **  will be displayed.  This function returns the imap connection handle.
    ******************************************************************************/
   function sqimap_login ($username, $password, $imap_server_address, $imap_port, $hide) {
      global $color, $squirrelmail_language, $HTTP_ACCEPT_LANGUAGE, $onetimepad;

      $imap_stream = fsockopen ($imap_server_address, $imap_port,
         $error_number, $error_string, 15);
      $server_info = fgets ($imap_stream, 1024);
      
      // Decrypt the password
      $password = OneTimePadDecrypt($password, $onetimepad);

      /** Do some error correction **/
      if (!$imap_stream) {
         if (!$hide) {
            set_up_language($squirrelmail_language, true);
            printf (_("Error connecting to IMAP server: %s.")."<br>\r\n", $imap_server_address);
            echo "$error_number : $error_string<br>\r\n";
         }
         exit;
      }

      fputs ($imap_stream, "a001 LOGIN \"" . quoteIMAP($username) . 
         '" "' . quoteIMAP($password) . "\"\r\n");
      $read = sqimap_read_data ($imap_stream, 'a001', false, $response, $message);

      /** If the connection was not successful, lets see why **/
      if ($response != "OK") {
         if (!$hide) {
            if ($response != 'NO') {
               // "BAD" and anything else gets reported here.
               set_up_language($squirrelmail_language, true);
               if ($response == 'BAD')
                   printf (_("Bad request: %s")."<br>\r\n", $message);
               else
                   printf (_("Unknown error: %s") . "<br>\n", $message);
               echo '<br>';
               echo _("Read data:") . "<br>\n";
	       if (is_array($read))
	       {
                   foreach ($read as $line)
                   {
                       echo htmlspecialchars($line) . "<br>\n";
		   }
               }
               exit;
            } else {
               // If the user does not log in with the correct
               // username and password it is not possible to get the
               // correct locale from the user's preferences.
               // Therefore, apply the same hack as on the login
               // screen.

               // $squirrelmail_language is set by a cookie when
               // the user selects language and logs out
               
               set_up_language($squirrelmail_language, true);
               
               ?>
                  <html>
                     <body bgcolor="ffffff">
                        <br>
                        <center>
                        <table width="70%" noborder bgcolor="ffffff" align="center">
                           <tr>
                              <td bgcolor="dcdcdc">
                                 <font color="cc0000">
                                 <center>
                                 <?php echo _("ERROR") ?>
                                 </center>
                                 </font>
                              </td>
                           </tr>
                           <tr>
                              <td>
                                 <center>
                                 <?php echo _("Unknown user or password incorrect.") ?><br>
                                 <a href="login.php" target="_top"><?php echo _("Click here to try again") ?></a>
                                 </center>
                              </td>
                           </tr>
                        </table>
                        </center>
                     </body>
                  </html>
               <?php
               session_destroy();
               exit;
            }
         } else {
            exit;
         }
      }

      return $imap_stream;
   }


   /******************************************************************************
    **  Simply logs out the imap session
    ******************************************************************************/
   function sqimap_logout ($imap_stream) {
      fputs ($imap_stream, "a001 LOGOUT\r\n");
   }

   function sqimap_capability($imap_stream, $capability) {
	global $sqimap_capabilities;
	global $imap_general_debug;

	if (!is_array($sqimap_capabilities)) {
		fputs ($imap_stream, "a001 CAPABILITY\r\n");
		$read = sqimap_read_data($imap_stream, 'a001', true, $a, $b);

		$c = explode(' ', $read[0]);
		for ($i=2; $i < count($c); $i++) {
			$cap_list = explode('=', $c[$i]);
			if (isset($cap_list[1]))
			    $sqimap_capabilities[$cap_list[0]] = $cap_list[1];
			else
 			    $sqimap_capabilities[$cap_list[0]] = TRUE;
		}
	}
	return $sqimap_capabilities[$capability];
}

   /******************************************************************************
    **  Returns the delimeter between mailboxes:  INBOX/Test, or INBOX.Test... 
    ******************************************************************************/
   function sqimap_get_delimiter ($imap_stream = false) {
      global $imap_general_debug;
      global $sqimap_delimiter;
      global $optional_delimiter;

      /* Use configured delimiter if set */
      if((!empty($optional_delimiter)) && $optional_delimiter != "detect")
         return $optional_delimiter;

      /* Do some caching here */
      if (!$sqimap_delimiter) {
		if (sqimap_capability($imap_stream, "NAMESPACE")) {
			/* According to something that I can't find, this is supposed to work on all systems
			   OS: This won't work in Courier IMAP.
			   OS:  According to rfc2342 response from NAMESPACE command is:
			   OS:  * NAMESPACE (PERSONAL NAMESPACES) (OTHER_USERS NAMESPACE) (SHARED NAMESPACES)
			   OS:  We want to lookup all personal NAMESPACES...
			*/
			fputs ($imap_stream, "a001 NAMESPACE\r\n");
			$read = sqimap_read_data($imap_stream, 'a001', true, $a, $b);
			if (eregi('\\* NAMESPACE +(\\( *\\(.+\\) *\\)|NIL) +(\\( *\\(.+\\) *\\)|NIL) +(\\( *\\(.+\\) *\\)|NIL)', $read[0], $data)) {
				if (eregi('^\\( *\\((.*)\\) *\\)', $data[1], $data2))
					$pn = $data2[1];
				$pna = explode(')(', $pn);
				while (list($k, $v) = each($pna))
				{
                    $lst = explode('"', $v);
                    if (isset($lst[3])) {
                        $pn[$lst[1]] = $lst[3];
                    } else {
                        $pn[$lst[1]] = '';
                    }
				}
			}
			$sqimap_delimiter = $pn[0];
		} else {
			fputs ($imap_stream, ". LIST \"INBOX\" \"\"\r\n");
			$read = sqimap_read_data($imap_stream, '.', true, $a, $b);
			$quote_position = strpos ($read[0], '"');
			$sqimap_delimiter = substr ($read[0], $quote_position+1, 1);
		}
	}
	return $sqimap_delimiter;
   }


   /******************************************************************************
    **  Gets the number of messages in the current mailbox. 
    ******************************************************************************/
   function sqimap_get_num_messages ($imap_stream, $mailbox) {
      fputs ($imap_stream, "a001 EXAMINE \"$mailbox\"\r\n");
      $read_ary = sqimap_read_data ($imap_stream, 'a001', true, $result, $message);
      for ($i = 0; $i < count($read_ary); $i++) {
         if (ereg("[^ ]+ +([^ ]+) +EXISTS", $read_ary[$i], $regs)) {
	    return $regs[1];
         }
      }
      return "BUG!  Couldn't get number of messages in $mailbox!";
   }

   
   /******************************************************************************
    **  Returns a displayable email address 
    ******************************************************************************/
   function sqimap_find_email ($string) {
      /** Luke Ehresman <lehresma@css.tayloru.edu>
       ** <lehresma@css.tayloru.edu>
       ** lehresma@css.tayloru.edu
       **
       ** What about
       **    lehresma@css.tayloru.edu (Luke Ehresman)
       **/

      if (ereg("<([^>]+)>", $string, $regs)) {
          $string = $regs[1];
      }
      return trim($string); 
   }

   
   /******************************************************************************
    **  Takes the From: field, and creates a displayable name.
    **    Luke Ehresman <lkehresman@yahoo.com>
    **           becomes:   Luke Ehresman
    **    <lkehresman@yahoo.com>
    **           becomes:   lkehresman@yahoo.com
    ******************************************************************************/
   function sqimap_find_displayable_name ($string) {
      $string = ' '.trim($string);
      $orig_string = $string;
      if (strpos($string, '<') && strpos($string, '>')) {
         if (strpos($string, '<') == 1) {
            $string = sqimap_find_email($string);
         } else {
            $string = trim($string);
            $string = substr($string, 0, strpos($string, '<'));
            $string = ereg_replace ('"', '', $string);   
         }   

         if (trim($string) == '') {
            $string = sqimap_find_email($orig_string);
         }
      }
      return $string; 
   }


   /******************************************************************************
    **  Returns the number of unseen messages in this folder 
    ******************************************************************************/
   function sqimap_unseen_messages ($imap_stream, $mailbox) {
      //fputs ($imap_stream, "a001 SEARCH UNSEEN NOT DELETED\r\n");
      fputs ($imap_stream, "a001 STATUS \"$mailbox\" (UNSEEN)\r\n");
      $read_ary = sqimap_read_data ($imap_stream, 'a001', true, $result, $message);
      ereg("UNSEEN ([0-9]+)", $read_ary[0], $regs);
      return $regs[1];
   }
 
  
   /******************************************************************************
    **  Saves a message to a given folder -- used for saving sent messages
    ******************************************************************************/
   function sqimap_append ($imap_stream, $sent_folder, $length) {
      fputs ($imap_stream, "a001 APPEND \"$sent_folder\" (\\Seen) \{$length}\r\n");
      $tmp = fgets ($imap_stream, 1024);
   } 

   function sqimap_append_done ($imap_stream) {
      fputs ($imap_stream, "\r\n");
      $tmp = fgets ($imap_stream, 1024);
   }
?>
Commit	Line	Data
59177427	1	<?php
052e0c26	2	/**
	3	** imap.php
	4	**
	5	** This implements all functions that do general imap functions.
245a6892	6	**
245a6892	7	** $Id$
052e0c26	8	**/
052e0c26	9
f435778e	10	if (defined ('imap_general_php'))
	11	return;
	12	define ('imap_general_php', true);
	13
	14	global $imap_general_debug;
a3db804c	15	$imap_general_debug = false;
a3db804c	16
052e0c26	17	/******************************************************************************
	18	** Reads the output from the IMAP stream. If handle_errors is set to true,
	19	** this will also handle all errors that are received. If it is not set,
	20	** the errors will be sent back through $response and $message
	21	******************************************************************************/
a3432f47	22
91f68e94	23	function sqimap_read_data_list ($imap_stream, $pre, $handle_errors,
	24	&$response, &$message) {
	25	global $color, $squirrelmail_language, $imap_general_debug;
245a6892	26
91f68e94	27	$read = "";
91f68e94	28	$resultlist = array();
245a6892	29
91f68e94	30	$more_msgs = true;
	31	while ($more_msgs) {
	32	$data = array();
	33	$total_size = 0;
d9ca5b40	34	while (strpos($read, "\n") === false) {
	35	$read .= fgets($imap_stream, 9096);
	36	}
4f5c1bcb	37
91f68e94	38	if (ereg("^\\* [0-9]+ FETCH.*\\{([0-9]+)\\}", $read, $regs)) {
	39	$size = $regs[1];
	40	} else if (ereg("^\\* [0-9]+ FETCH", $read, $regs)) {
	41	// Sizeless response, probably single-line
	42	// For debugging purposes
	43	if ($imap_general_debug) {
	44	echo "<small><tt><font color=\"#CC0000\">$read</font></tt></small><br>\n";
	45	flush();
d9ca5b40	46	}
91f68e94	47	$size = 0;
	48	$data[] = $read;
	49	$read = fgets($imap_stream, 9096);
d9ca5b40	50	} else {
91f68e94	51	$size = 0;
	52	}
	53	while (1) {
	54	while (strpos($read, "\n") === false) {
	55	$read .= fgets($imap_stream, 9096);
	56	}
	57	// For debugging purposes
	58	if ($imap_general_debug) {
	59	echo "<small><tt><font color=\"#CC0000\">$read</font></tt></small><br>\n";
	60	flush();
	61	}
	62	// If we know the size, no need to look at the end parameters
	63	if ($size > 0) {
	64	if ($total_size == $size) {
	65	// We've reached the end of this 'message', switch to the next one.
	66	$data[] = $read;
37e24380	67	break;
91f68e94	68	} else if ($total_size > $size) {
	69	$difference = $total_size - $size;
	70	$total_size = $total_size - strlen($read);
	71	$data[] = substr ($read, 0, strlen($read)-$difference);
	72	$read = substr ($read, strlen($read)-$difference, strlen($read));
	73	break;
	74	} else {
	75	$data[] = $read;
	76	$read = fgets($imap_stream, 9096);
	77	}
	78	$total_size += strlen($read);
4f5c1bcb	79	} else {
91f68e94	80	if (ereg("^$pre (OK\|BAD\|NO)(.*)", $read, $regs) \|\|
	81	ereg("^\\* [0-9]+ FETCH.*", $read, $regs)) {
	82	break;
	83	} else {
	84	$data[] = $read;
	85	$read = fgets ($imap_stream, 9096);
	86	}
4f5c1bcb	87	}
d9ca5b40	88	}
a3db804c	89
91f68e94	90	while (($more_msgs = !ereg("^$pre (OK\|BAD\|NO)(.*)$", $read, $regs)) &&
	91	!ereg("^\\* [0-9]+ FETCH.*", $read, $regs)) {
	92	$read = fgets($imap_stream, 9096);
	93	}
	94	$resultlist[] = $data;
	95	}
3d2504a1	96	$response = $regs[1];
	97	$message = trim($regs[2]);
	98
74424a43	99	if ($imap_general_debug) echo '--<br>';
052e0c26	100
f358f099	101	if ($handle_errors == false)
91f68e94	102	return $resultlist;
d9ca5b40	103
74424a43	104	if ($response == 'NO') {
f358f099	105	// ignore this error from m$ exchange, it is not fatal (aka bug)
8e8ebd27	106	if (strstr($message, 'command resulted in') === false) {
441f2d33	107	set_up_language($squirrelmail_language);
04632dbc	108	echo "<br><b><font color=$color[2]>\n";
f358f099	109	echo _("ERROR : Could not complete request.");
04632dbc	110	echo "</b><br>\n";
f358f099	111	echo _("Reason Given: ");
3d2504a1	112	echo $message . "</font><br>\n";
052e0c26	113	exit;
052e0c26	114	}
74424a43	115	} else if ($response == 'BAD') {
f358f099	116	set_up_language($squirrelmail_language);
	117	echo "<br><b><font color=$color[2]>\n";
	118	echo _("ERROR : Bad or malformed request.");
	119	echo "</b><br>\n";
	120	echo _("Server responded: ");
	121	echo $message . "</font><br>\n";
	122	exit;
052e0c26	123	}
91f68e94	124	return $resultlist;
	125	}
	126
	127	function sqimap_read_data ($imap_stream, $pre, $handle_errors, &$response, &$message) {
	128	$res = sqimap_read_data_list($imap_stream, $pre, $handle_errors, $response, $message);
	129	return $res[0];
052e0c26	130	}
052e0c26	131
052e0c26	132	/******************************************************************************
	133	** Logs the user into the imap server. If $hide is set, no error messages
	134	** will be displayed. This function returns the imap connection handle.
	135	******************************************************************************/
	136	function sqimap_login ($username, $password, $imap_server_address, $imap_port, $hide) {
bc104ef3	137	global $color, $squirrelmail_language, $HTTP_ACCEPT_LANGUAGE, $onetimepad;
1b187352	138
342c46bd	139	$imap_stream = fsockopen ($imap_server_address, $imap_port,
090595e1	140	$error_number, $error_string, 15);
052e0c26	141	$server_info = fgets ($imap_stream, 1024);
052e0c26	142
52eefafc	143	// Decrypt the password
bc104ef3	144	$password = OneTimePadDecrypt($password, $onetimepad);
52eefafc	145
052e0c26	146	/ Do some error correction /
	147	if (!$imap_stream) {
	148	if (!$hide) {
441f2d33	149	set_up_language($squirrelmail_language, true);
1b187352	150	printf (_("Error connecting to IMAP server: %s.")."<br>\r\n", $imap_server_address);
052e0c26	151	echo "$error_number : $error_string<br>\r\n";
	152	}
	153	exit;
	154	}
	155
704db5b2	156	fputs ($imap_stream, "a001 LOGIN \"" . quoteIMAP($username) .
704db5b2	157	'" "' . quoteIMAP($password) . "\"\r\n");
74424a43	158	$read = sqimap_read_data ($imap_stream, 'a001', false, $response, $message);
052e0c26	159
052e0c26	160	/ If the connection was not successful, lets see why /
3d2504a1	161	if ($response != "OK") {
052e0c26	162	if (!$hide) {
74424a43	163	if ($response != 'NO') {
3d2504a1	164	// "BAD" and anything else gets reported here.
441f2d33	165	set_up_language($squirrelmail_language, true);
74424a43	166	if ($response == 'BAD')
3d2504a1	167	printf (_("Bad request: %s")."<br>\r\n", $message);
	168	else
	169	printf (_("Unknown error: %s") . "<br>\n", $message);
74424a43	170	echo '<br>';
3d2504a1	171	echo _("Read data:") . "<br>\n";
ec0b7dbd	172	if (is_array($read))
	173	{
	174	foreach ($read as $line)
	175	{
	176	echo htmlspecialchars($line) . "<br>\n";
	177	}
3d2504a1	178	}
052e0c26	179	exit;
165e24a7	180	} else {
1b187352	181	// If the user does not log in with the correct
	182	// username and password it is not possible to get the
	183	// correct locale from the user's preferences.
	184	// Therefore, apply the same hack as on the login
	185	// screen.
	186
	187	// $squirrelmail_language is set by a cookie when
	188	// the user selects language and logs out
	189
441f2d33	190	set_up_language($squirrelmail_language, true);
1b187352	191
052e0c26	192	?>
052e0c26	193	<html>
74424a43	194	<body bgcolor="ffffff">
052e0c26	195	<br>
052e0c26	196	<center>
74424a43	197	<table width="70%" noborder bgcolor="ffffff" align="center">
052e0c26	198	<tr>
74424a43	199	<td bgcolor="dcdcdc">
74424a43	200	<font color="cc0000">
052e0c26	201	<center>
59177427	202	<?php echo _("ERROR") ?>
052e0c26	203	</center>
	204	</font>
	205	</td>
	206	</tr>
	207	<tr>
	208	<td>
	209	<center>
59177427	210	<?php echo _("Unknown user or password incorrect.") ?><br>
5630c7ec	211	<a href="login.php" target="_top"><?php echo _("Click here to try again") ?></a>
052e0c26	212	</center>
	213	</td>
	214	</tr>
	215	</table>
	216	</center>
	217	</body>
	218	</html>
59177427	219	<?php
052e0c26	220	session_destroy();
052e0c26	221	exit;
052e0c26	222	}
	223	} else {
	224	exit;
	225	}
	226	}
	227
	228	return $imap_stream;
	229	}
	230
	231
	232
	233
	234	/******************************************************************************
	235	** Simply logs out the imap session
	236	******************************************************************************/
	237	function sqimap_logout ($imap_stream) {
	238	fputs ($imap_stream, "a001 LOGOUT\r\n");
	239	}
	240
f435778e	241	function sqimap_capability($imap_stream, $capability) {
a3db804c	242	global $sqimap_capabilities;
a3db804c	243	global $imap_general_debug;
052e0c26	244
a3db804c	245	if (!is_array($sqimap_capabilities)) {
a3db804c	246	fputs ($imap_stream, "a001 CAPABILITY\r\n");
74424a43	247	$read = sqimap_read_data($imap_stream, 'a001', true, $a, $b);
a3db804c	248
	249	$c = explode(' ', $read[0]);
	250	for ($i=2; $i < count($c); $i++) {
245a6892	251	$cap_list = explode('=', $c[$i]);
	252	if (isset($cap_list[1]))
	253	$sqimap_capabilities[$cap_list[0]] = $cap_list[1];
	254	else
	255	$sqimap_capabilities[$cap_list[0]] = TRUE;
a3db804c	256	}
	257	}
	258	return $sqimap_capabilities[$capability];
	259	}
052e0c26	260
	261	/******************************************************************************
	262	** Returns the delimeter between mailboxes: INBOX/Test, or INBOX.Test...
	263	******************************************************************************/
f435778e	264	function sqimap_get_delimiter ($imap_stream = false) {
	265	global $imap_general_debug;
	266	global $sqimap_delimiter;
	267	global $optional_delimiter;
f6941f00	268
f435778e	269	/* Use configured delimiter if set */
	270	if((!empty($optional_delimiter)) && $optional_delimiter != "detect")
	271	return $optional_delimiter;
a3db804c	272
f435778e	273	/* Do some caching here */
f435778e	274	if (!$sqimap_delimiter) {
a3db804c	275	if (sqimap_capability($imap_stream, "NAMESPACE")) {
	276	/* According to something that I can't find, this is supposed to work on all systems
	277	OS: This won't work in Courier IMAP.
	278	OS: According to rfc2342 response from NAMESPACE command is:
	279	OS: * NAMESPACE (PERSONAL NAMESPACES) (OTHER_USERS NAMESPACE) (SHARED NAMESPACES)
	280	OS: We want to lookup all personal NAMESPACES...
	281	*/
	282	fputs ($imap_stream, "a001 NAMESPACE\r\n");
74424a43	283	$read = sqimap_read_data($imap_stream, 'a001', true, $a, $b);
8e8ebd27	284	if (eregi('\\* NAMESPACE +(\\( \\(.+\\) \\)\|NIL) +(\\( \\(.+\\) \\)\|NIL) +(\\( \\(.+\\) \\)\|NIL)', $read[0], $data)) {
8e8ebd27	285	if (eregi('^\\( \\((.)\\) *\\)', $data[1], $data2))
a3db804c	286	$pn = $data2[1];
	287	$pna = explode(')(', $pn);
	288	while (list($k, $v) = each($pna))
	289	{
862ff2d3	290	$lst = explode('"', $v);
	291	if (isset($lst[3])) {
	292	$pn[$lst[1]] = $lst[3];
	293	} else {
74424a43	294	$pn[$lst[1]] = '';
862ff2d3	295	}
a3db804c	296	}
a3db804c	297	}
a3db804c	298	$sqimap_delimiter = $pn[0];
40ba4d36	299	} else {
a3db804c	300	fputs ($imap_stream, ". LIST \"INBOX\" \"\"\r\n");
74424a43	301	$read = sqimap_read_data($imap_stream, '.', true, $a, $b);
74424a43	302	$quote_position = strpos ($read[0], '"');
a3db804c	303	$sqimap_delimiter = substr ($read[0], $quote_position+1, 1);
40ba4d36	304	}
a3db804c	305	}
a3db804c	306	return $sqimap_delimiter;
f435778e	307	}
052e0c26	308
	309
	310	/******************************************************************************
	311	** Gets the number of messages in the current mailbox.
	312	******************************************************************************/
	313	function sqimap_get_num_messages ($imap_stream, $mailbox) {
	314	fputs ($imap_stream, "a001 EXAMINE \"$mailbox\"\r\n");
74424a43	315	$read_ary = sqimap_read_data ($imap_stream, 'a001', true, $result, $message);
052e0c26	316	for ($i = 0; $i < count($read_ary); $i++) {
441f2d33	317	if (ereg("[^ ]+ +([^ ]+) +EXISTS", $read_ary[$i], $regs)) {
441f2d33	318	return $regs[1];
052e0c26	319	}
052e0c26	320	}
441f2d33	321	return "BUG! Couldn't get number of messages in $mailbox!";
052e0c26	322	}
	323
	324
	325	/******************************************************************************
	326	** Returns a displayable email address
	327	******************************************************************************/
	328	function sqimap_find_email ($string) {
	329	/** Luke Ehresman <lehresma@css.tayloru.edu>
	330	** <lehresma@css.tayloru.edu>
	331	** lehresma@css.tayloru.edu
1d2ce1c3	332	**
	333	** What about
	334	** lehresma@css.tayloru.edu (Luke Ehresman)
052e0c26	335	**/
052e0c26	336
441f2d33	337	if (ereg("<([^>]+)>", $string, $regs)) {
441f2d33	338	$string = $regs[1];
052e0c26	339	}
	340	return trim($string);
	341	}
	342
	343
	344	/******************************************************************************
	345	** Takes the From: field, and creates a displayable name.
	346	** Luke Ehresman <lkehresman@yahoo.com>
	347	** becomes: Luke Ehresman
	348	** <lkehresman@yahoo.com>
	349	** becomes: lkehresman@yahoo.com
	350	******************************************************************************/
	351	function sqimap_find_displayable_name ($string) {
74424a43	352	$string = ' '.trim($string);
1d2ce1c3	353	$orig_string = $string;
74424a43	354	if (strpos($string, '<') && strpos($string, '>')) {
74424a43	355	if (strpos($string, '<') == 1) {
1d2ce1c3	356	$string = sqimap_find_email($string);
	357	} else {
	358	$string = trim($string);
74424a43	359	$string = substr($string, 0, strpos($string, '<'));
74424a43	360	$string = ereg_replace ('"', '', $string);
1d2ce1c3	361	}
1d2ce1c3	362
74424a43	363	if (trim($string) == '') {
1d2ce1c3	364	$string = sqimap_find_email($orig_string);
	365	}
	366	}
	367	return $string;
052e0c26	368	}
	369
	370
052e0c26	371	/******************************************************************************
	372	** Returns the number of unseen messages in this folder
	373	******************************************************************************/
4d2c01e3	374	function sqimap_unseen_messages ($imap_stream, $mailbox) {
c5eb2c03	375	//fputs ($imap_stream, "a001 SEARCH UNSEEN NOT DELETED\r\n");
c5eb2c03	376	fputs ($imap_stream, "a001 STATUS \"$mailbox\" (UNSEEN)\r\n");
74424a43	377	$read_ary = sqimap_read_data ($imap_stream, 'a001', true, $result, $message);
441f2d33	378	ereg("UNSEEN ([0-9]+)", $read_ary[0], $regs);
441f2d33	379	return $regs[1];
052e0c26	380	}
	381
	382
	383	/******************************************************************************
	384	** Saves a message to a given folder -- used for saving sent messages
	385	******************************************************************************/
	386	function sqimap_append ($imap_stream, $sent_folder, $length) {
	387	fputs ($imap_stream, "a001 APPEND \"$sent_folder\" (\\Seen) \{$length}\r\n");
	388	$tmp = fgets ($imap_stream, 1024);
	389	}
	390
	391	function sqimap_append_done ($imap_stream) {
	392	fputs ($imap_stream, "\r\n");
	393	$tmp = fgets ($imap_stream, 1024);
	394	}
	395	?>