[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);
		  while (strpos($read, "\n") === false) {
		     $read .= fgets($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;
		}
	}
	if (! isset($sqimap_capabilities[$capability]))
	   return false;
	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);
3fac2aa9	77	while (strpos($read, "\n") === false) {
	78	$read .= fgets($imap_stream, 9096);
	79	}
91f68e94	80	}
91f68e94	81	$total_size += strlen($read);
4f5c1bcb	82	} else {
91f68e94	83	if (ereg("^$pre (OK\|BAD\|NO)(.*)", $read, $regs) \|\|
	84	ereg("^\\* [0-9]+ FETCH.*", $read, $regs)) {
	85	break;
	86	} else {
	87	$data[] = $read;
	88	$read = fgets ($imap_stream, 9096);
	89	}
4f5c1bcb	90	}
d9ca5b40	91	}
a3db804c	92
91f68e94	93	while (($more_msgs = !ereg("^$pre (OK\|BAD\|NO)(.*)$", $read, $regs)) &&
	94	!ereg("^\\* [0-9]+ FETCH.*", $read, $regs)) {
	95	$read = fgets($imap_stream, 9096);
	96	}
	97	$resultlist[] = $data;
	98	}
3d2504a1	99	$response = $regs[1];
	100	$message = trim($regs[2]);
	101
74424a43	102	if ($imap_general_debug) echo '--<br>';
052e0c26	103
f358f099	104	if ($handle_errors == false)
91f68e94	105	return $resultlist;
d9ca5b40	106
74424a43	107	if ($response == 'NO') {
f358f099	108	// ignore this error from m$ exchange, it is not fatal (aka bug)
8e8ebd27	109	if (strstr($message, 'command resulted in') === false) {
441f2d33	110	set_up_language($squirrelmail_language);
04632dbc	111	echo "<br><b><font color=$color[2]>\n";
f358f099	112	echo _("ERROR : Could not complete request.");
04632dbc	113	echo "</b><br>\n";
f358f099	114	echo _("Reason Given: ");
3d2504a1	115	echo $message . "</font><br>\n";
052e0c26	116	exit;
052e0c26	117	}
74424a43	118	} else if ($response == 'BAD') {
f358f099	119	set_up_language($squirrelmail_language);
	120	echo "<br><b><font color=$color[2]>\n";
	121	echo _("ERROR : Bad or malformed request.");
	122	echo "</b><br>\n";
	123	echo _("Server responded: ");
	124	echo $message . "</font><br>\n";
	125	exit;
052e0c26	126	}
91f68e94	127	return $resultlist;
	128	}
	129
	130	function sqimap_read_data ($imap_stream, $pre, $handle_errors, &$response, &$message) {
	131	$res = sqimap_read_data_list($imap_stream, $pre, $handle_errors, $response, $message);
	132	return $res[0];
052e0c26	133	}
052e0c26	134
052e0c26	135	/******************************************************************************
	136	** Logs the user into the imap server. If $hide is set, no error messages
	137	** will be displayed. This function returns the imap connection handle.
	138	******************************************************************************/
	139	function sqimap_login ($username, $password, $imap_server_address, $imap_port, $hide) {
bc104ef3	140	global $color, $squirrelmail_language, $HTTP_ACCEPT_LANGUAGE, $onetimepad;
1b187352	141
342c46bd	142	$imap_stream = fsockopen ($imap_server_address, $imap_port,
090595e1	143	$error_number, $error_string, 15);
052e0c26	144	$server_info = fgets ($imap_stream, 1024);
052e0c26	145
52eefafc	146	// Decrypt the password
bc104ef3	147	$password = OneTimePadDecrypt($password, $onetimepad);
52eefafc	148
052e0c26	149	/ Do some error correction /
	150	if (!$imap_stream) {
	151	if (!$hide) {
441f2d33	152	set_up_language($squirrelmail_language, true);
1b187352	153	printf (_("Error connecting to IMAP server: %s.")."<br>\r\n", $imap_server_address);
052e0c26	154	echo "$error_number : $error_string<br>\r\n";
	155	}
	156	exit;
	157	}
	158
704db5b2	159	fputs ($imap_stream, "a001 LOGIN \"" . quoteIMAP($username) .
704db5b2	160	'" "' . quoteIMAP($password) . "\"\r\n");
74424a43	161	$read = sqimap_read_data ($imap_stream, 'a001', false, $response, $message);
052e0c26	162
052e0c26	163	/ If the connection was not successful, lets see why /
3d2504a1	164	if ($response != "OK") {
052e0c26	165	if (!$hide) {
74424a43	166	if ($response != 'NO') {
3d2504a1	167	// "BAD" and anything else gets reported here.
441f2d33	168	set_up_language($squirrelmail_language, true);
74424a43	169	if ($response == 'BAD')
3d2504a1	170	printf (_("Bad request: %s")."<br>\r\n", $message);
	171	else
	172	printf (_("Unknown error: %s") . "<br>\n", $message);
74424a43	173	echo '<br>';
3d2504a1	174	echo _("Read data:") . "<br>\n";
ec0b7dbd	175	if (is_array($read))
	176	{
	177	foreach ($read as $line)
	178	{
	179	echo htmlspecialchars($line) . "<br>\n";
	180	}
3d2504a1	181	}
052e0c26	182	exit;
165e24a7	183	} else {
1b187352	184	// If the user does not log in with the correct
	185	// username and password it is not possible to get the
	186	// correct locale from the user's preferences.
	187	// Therefore, apply the same hack as on the login
	188	// screen.
	189
	190	// $squirrelmail_language is set by a cookie when
	191	// the user selects language and logs out
	192
441f2d33	193	set_up_language($squirrelmail_language, true);
1b187352	194
052e0c26	195	?>
052e0c26	196	<html>
74424a43	197	<body bgcolor="ffffff">
052e0c26	198	<br>
052e0c26	199	<center>
74424a43	200	<table width="70%" noborder bgcolor="ffffff" align="center">
052e0c26	201	<tr>
74424a43	202	<td bgcolor="dcdcdc">
74424a43	203	<font color="cc0000">
052e0c26	204	<center>
59177427	205	<?php echo _("ERROR") ?>
052e0c26	206	</center>
	207	</font>
	208	</td>
	209	</tr>
	210	<tr>
	211	<td>
	212	<center>
59177427	213	<?php echo _("Unknown user or password incorrect.") ?><br>
5630c7ec	214	<a href="login.php" target="_top"><?php echo _("Click here to try again") ?></a>
052e0c26	215	</center>
	216	</td>
	217	</tr>
	218	</table>
	219	</center>
	220	</body>
	221	</html>
59177427	222	<?php
052e0c26	223	session_destroy();
052e0c26	224	exit;
052e0c26	225	}
	226	} else {
	227	exit;
	228	}
	229	}
	230
	231	return $imap_stream;
	232	}
	233
	234
	235
	236
	237	/******************************************************************************
	238	** Simply logs out the imap session
	239	******************************************************************************/
	240	function sqimap_logout ($imap_stream) {
	241	fputs ($imap_stream, "a001 LOGOUT\r\n");
	242	}
	243
f435778e	244	function sqimap_capability($imap_stream, $capability) {
a3db804c	245	global $sqimap_capabilities;
a3db804c	246	global $imap_general_debug;
052e0c26	247
a3db804c	248	if (!is_array($sqimap_capabilities)) {
a3db804c	249	fputs ($imap_stream, "a001 CAPABILITY\r\n");
74424a43	250	$read = sqimap_read_data($imap_stream, 'a001', true, $a, $b);
a3db804c	251
	252	$c = explode(' ', $read[0]);
	253	for ($i=2; $i < count($c); $i++) {
245a6892	254	$cap_list = explode('=', $c[$i]);
	255	if (isset($cap_list[1]))
	256	$sqimap_capabilities[$cap_list[0]] = $cap_list[1];
	257	else
	258	$sqimap_capabilities[$cap_list[0]] = TRUE;
a3db804c	259	}
a3db804c	260	}
bb7bf119	261	if (! isset($sqimap_capabilities[$capability]))
bb7bf119	262	return false;
a3db804c	263	return $sqimap_capabilities[$capability];
a3db804c	264	}
052e0c26	265
	266	/******************************************************************************
	267	** Returns the delimeter between mailboxes: INBOX/Test, or INBOX.Test...
	268	******************************************************************************/
f435778e	269	function sqimap_get_delimiter ($imap_stream = false) {
	270	global $imap_general_debug;
	271	global $sqimap_delimiter;
	272	global $optional_delimiter;
f6941f00	273
f435778e	274	/* Use configured delimiter if set */
	275	if((!empty($optional_delimiter)) && $optional_delimiter != "detect")
	276	return $optional_delimiter;
a3db804c	277
f435778e	278	/* Do some caching here */
f435778e	279	if (!$sqimap_delimiter) {
a3db804c	280	if (sqimap_capability($imap_stream, "NAMESPACE")) {
	281	/* According to something that I can't find, this is supposed to work on all systems
	282	OS: This won't work in Courier IMAP.
	283	OS: According to rfc2342 response from NAMESPACE command is:
	284	OS: * NAMESPACE (PERSONAL NAMESPACES) (OTHER_USERS NAMESPACE) (SHARED NAMESPACES)
	285	OS: We want to lookup all personal NAMESPACES...
	286	*/
	287	fputs ($imap_stream, "a001 NAMESPACE\r\n");
74424a43	288	$read = sqimap_read_data($imap_stream, 'a001', true, $a, $b);
8e8ebd27	289	if (eregi('\\* NAMESPACE +(\\( \\(.+\\) \\)\|NIL) +(\\( \\(.+\\) \\)\|NIL) +(\\( \\(.+\\) \\)\|NIL)', $read[0], $data)) {
8e8ebd27	290	if (eregi('^\\( \\((.)\\) *\\)', $data[1], $data2))
a3db804c	291	$pn = $data2[1];
	292	$pna = explode(')(', $pn);
	293	while (list($k, $v) = each($pna))
	294	{
862ff2d3	295	$lst = explode('"', $v);
	296	if (isset($lst[3])) {
	297	$pn[$lst[1]] = $lst[3];
	298	} else {
74424a43	299	$pn[$lst[1]] = '';
862ff2d3	300	}
a3db804c	301	}
a3db804c	302	}
a3db804c	303	$sqimap_delimiter = $pn[0];
40ba4d36	304	} else {
a3db804c	305	fputs ($imap_stream, ". LIST \"INBOX\" \"\"\r\n");
74424a43	306	$read = sqimap_read_data($imap_stream, '.', true, $a, $b);
74424a43	307	$quote_position = strpos ($read[0], '"');
a3db804c	308	$sqimap_delimiter = substr ($read[0], $quote_position+1, 1);
40ba4d36	309	}
a3db804c	310	}
a3db804c	311	return $sqimap_delimiter;
f435778e	312	}
052e0c26	313
	314
	315	/******************************************************************************
	316	** Gets the number of messages in the current mailbox.
	317	******************************************************************************/
	318	function sqimap_get_num_messages ($imap_stream, $mailbox) {
	319	fputs ($imap_stream, "a001 EXAMINE \"$mailbox\"\r\n");
74424a43	320	$read_ary = sqimap_read_data ($imap_stream, 'a001', true, $result, $message);
052e0c26	321	for ($i = 0; $i < count($read_ary); $i++) {
441f2d33	322	if (ereg("[^ ]+ +([^ ]+) +EXISTS", $read_ary[$i], $regs)) {
441f2d33	323	return $regs[1];
052e0c26	324	}
052e0c26	325	}
441f2d33	326	return "BUG! Couldn't get number of messages in $mailbox!";
052e0c26	327	}
	328
	329
	330	/******************************************************************************
	331	** Returns a displayable email address
	332	******************************************************************************/
	333	function sqimap_find_email ($string) {
	334	/** Luke Ehresman <lehresma@css.tayloru.edu>
	335	** <lehresma@css.tayloru.edu>
	336	** lehresma@css.tayloru.edu
1d2ce1c3	337	**
	338	** What about
	339	** lehresma@css.tayloru.edu (Luke Ehresman)
052e0c26	340	**/
052e0c26	341
441f2d33	342	if (ereg("<([^>]+)>", $string, $regs)) {
441f2d33	343	$string = $regs[1];
052e0c26	344	}
	345	return trim($string);
	346	}
	347
	348
	349	/******************************************************************************
	350	** Takes the From: field, and creates a displayable name.
	351	** Luke Ehresman <lkehresman@yahoo.com>
	352	** becomes: Luke Ehresman
	353	** <lkehresman@yahoo.com>
	354	** becomes: lkehresman@yahoo.com
	355	******************************************************************************/
	356	function sqimap_find_displayable_name ($string) {
74424a43	357	$string = ' '.trim($string);
1d2ce1c3	358	$orig_string = $string;
74424a43	359	if (strpos($string, '<') && strpos($string, '>')) {
74424a43	360	if (strpos($string, '<') == 1) {
1d2ce1c3	361	$string = sqimap_find_email($string);
	362	} else {
	363	$string = trim($string);
74424a43	364	$string = substr($string, 0, strpos($string, '<'));
74424a43	365	$string = ereg_replace ('"', '', $string);
1d2ce1c3	366	}
1d2ce1c3	367
74424a43	368	if (trim($string) == '') {
1d2ce1c3	369	$string = sqimap_find_email($orig_string);
	370	}
	371	}
	372	return $string;
052e0c26	373	}
	374
	375
052e0c26	376	/******************************************************************************
	377	** Returns the number of unseen messages in this folder
	378	******************************************************************************/
4d2c01e3	379	function sqimap_unseen_messages ($imap_stream, $mailbox) {
c5eb2c03	380	//fputs ($imap_stream, "a001 SEARCH UNSEEN NOT DELETED\r\n");
c5eb2c03	381	fputs ($imap_stream, "a001 STATUS \"$mailbox\" (UNSEEN)\r\n");
74424a43	382	$read_ary = sqimap_read_data ($imap_stream, 'a001', true, $result, $message);
441f2d33	383	ereg("UNSEEN ([0-9]+)", $read_ary[0], $regs);
441f2d33	384	return $regs[1];
052e0c26	385	}
	386
	387
	388	/******************************************************************************
	389	** Saves a message to a given folder -- used for saving sent messages
	390	******************************************************************************/
	391	function sqimap_append ($imap_stream, $sent_folder, $length) {
	392	fputs ($imap_stream, "a001 APPEND \"$sent_folder\" (\\Seen) \{$length}\r\n");
	393	$tmp = fgets ($imap_stream, 1024);
	394	}
	395
	396	function sqimap_append_done ($imap_stream) {
	397	fputs ($imap_stream, "\r\n");
	398	$tmp = fgets ($imap_stream, 1024);
	399	}
	400	?>