[squirrelmail.git] / functions / imap_general.php

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

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

      $read = fgets($imap_stream, 9096);

      if (ereg("^\* [0-9]+ FETCH.*{([0-9]+)}", $read, $regs)) {
         $size = $regs[1];
      } else {
         $size = 0;
      }
      
      $data = Array();
      
      $continue = true;
      while ($continue) {
         // Continue if needed for this single line
         while (strpos($read, "\n") === false) {
            $read .= fgets($imap_stream, 9096);
         }
         if ($imap_general_debug) {
            echo "<small><tt><font color=\"#CC0000\">$read</font></tt></small><br>\n";
            flush();
         }
         
         if (ereg("^$pre (OK|BAD|NO)(.*)$", $read, $regs)) {
            if ($size) {
               $dt = $data;
               $dt[0] = $dt[count($dt)-1] = "";
               $d = implode ("", $dt);
               if (strlen($d) >= $size) {
                  $continue = false;
               } else {
                  $data[] = $read;
                  $read = fgets ($imap_stream, 9096);
               }
            } else {
               $continue = false;
            }
         } else {
            $data[] = $read;
            $read = fgets ($imap_stream, 9096);
         }
      }

      $response = $regs[1];
      $message = trim($regs[2]);
      
      if ($imap_general_debug) echo "--<br>";

      if ($handle_errors == false)
          return $data;
     
      if ($response == "NO") {
         // ignore this error from m$ exchange, it is not fatal (aka bug)
         if (!ereg("command resulted in",$message)) { 
            set_up_language($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 $data;
   }
   
   /******************************************************************************
    **  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 ($imap_stream, "a001 LOGIN \"" . quotemeta($username) . 
         "\" \"" . quotemeta($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))
				{
					list($_, $n, $_, $d) = explode('"', $v);
					$pn[$n] = $d;
				}
/* OS: We don't need this code right now, it is for other_users and shared folders
				if (eregi('^\( *\((.*)\) *\)', $data[2], $data2))
					$on = $data2[1];
				if (eregi('^\( *\((.*)\) *\)', $data[3], $data2))
					$sn = $data2[1];
				unset($data);
				$ona = explode(')(', $on);
				while (list($k, $v) = each($ona))
				{
					list($_, $n, $_, $d) = explode('"', $v);
					$on[$n] = $d;
				}
				$sna = explode(')(', $sn);
				while (list($k, $v) = each($sna))
				{
					list($_, $n, $_, $d) = explode('"', $v);
					$sn[$n] = $d;
				}
*/
			}
			$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 ($imap_stream, &$num_unseen, $mailbox) {
      //fputs ($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
a3db804c	10	$imap_general_debug = false;
a3db804c	11
052e0c26	12	/******************************************************************************
	13	** Reads the output from the IMAP stream. If handle_errors is set to true,
	14	** this will also handle all errors that are received. If it is not set,
	15	** the errors will be sent back through $response and $message
	16	******************************************************************************/
3d2504a1	17	function sqimap_read_data ($imap_stream, $pre, $handle_errors, &$response, &$message) {
a3db804c	18	global $color, $squirrelmail_language, $imap_general_debug;
a3432f47	19
f358f099	20	$read = fgets($imap_stream, 9096);
245a6892	21
cce17afb	22	if (ereg("^\* [0-9]+ FETCH.*{([0-9]+)}", $read, $regs)) {
d9ca5b40	23	$size = $regs[1];
245a6892	24	} else {
245a6892	25	$size = 0;
d9ca5b40	26	}
d9ca5b40	27
245a6892	28	$data = Array();
245a6892	29
d9ca5b40	30	$continue = true;
	31	while ($continue) {
	32	// Continue if needed for this single line
	33	while (strpos($read, "\n") === false) {
	34	$read .= fgets($imap_stream, 9096);
	35	}
	36	if ($imap_general_debug) {
	37	echo "<small><tt><font color=\"#CC0000\">$read</font></tt></small><br>\n";
	38	flush();
	39	}
	40
	41	if (ereg("^$pre (OK\|BAD\|NO)(.*)$", $read, $regs)) {
	42	if ($size) {
	43	$dt = $data;
	44	$dt[0] = $dt[count($dt)-1] = "";
	45	$d = implode ("", $dt);
	46	if (strlen($d) >= $size) {
	47	$continue = false;
	48	} else {
	49	$data[] = $read;
	50	$read = fgets ($imap_stream, 9096);
	51	}
	52	} else {
	53	$continue = false;
	54	}
	55	} else {
	56	$data[] = $read;
	57	$read = fgets ($imap_stream, 9096);
	58	}
f358f099	59	}
a3db804c	60
3d2504a1	61	$response = $regs[1];
	62	$message = trim($regs[2]);
	63
a3432f47	64	if ($imap_general_debug) echo "--<br>";
052e0c26	65
f358f099	66	if ($handle_errors == false)
f358f099	67	return $data;
d9ca5b40	68
f358f099	69	if ($response == "NO") {
	70	// ignore this error from m$ exchange, it is not fatal (aka bug)
	71	if (!ereg("command resulted in",$message)) {
441f2d33	72	set_up_language($squirrelmail_language);
04632dbc	73	echo "<br><b><font color=$color[2]>\n";
f358f099	74	echo _("ERROR : Could not complete request.");
04632dbc	75	echo "</b><br>\n";
f358f099	76	echo _("Reason Given: ");
3d2504a1	77	echo $message . "</font><br>\n";
052e0c26	78	exit;
052e0c26	79	}
f358f099	80	} else if ($response == "BAD") {
	81	set_up_language($squirrelmail_language);
	82	echo "<br><b><font color=$color[2]>\n";
	83	echo _("ERROR : Bad or malformed request.");
	84	echo "</b><br>\n";
	85	echo _("Server responded: ");
	86	echo $message . "</font><br>\n";
	87	exit;
052e0c26	88	}
	89
	90	return $data;
	91	}
	92
052e0c26	93	/******************************************************************************
	94	** Logs the user into the imap server. If $hide is set, no error messages
	95	** will be displayed. This function returns the imap connection handle.
	96	******************************************************************************/
	97	function sqimap_login ($username, $password, $imap_server_address, $imap_port, $hide) {
bc104ef3	98	global $color, $squirrelmail_language, $HTTP_ACCEPT_LANGUAGE, $onetimepad;
1b187352	99
342c46bd	100	$imap_stream = fsockopen ($imap_server_address, $imap_port,
342c46bd	101	&$error_number, &$error_string, 15);
052e0c26	102	$server_info = fgets ($imap_stream, 1024);
052e0c26	103
52eefafc	104	// Decrypt the password
bc104ef3	105	$password = OneTimePadDecrypt($password, $onetimepad);
52eefafc	106
052e0c26	107	/ Do some error correction /
	108	if (!$imap_stream) {
	109	if (!$hide) {
441f2d33	110	set_up_language($squirrelmail_language, true);
1b187352	111	printf (_("Error connecting to IMAP server: %s.")."<br>\r\n", $imap_server_address);
052e0c26	112	echo "$error_number : $error_string<br>\r\n";
	113	}
	114	exit;
	115	}
	116
45a94308	117	fputs ($imap_stream, "a001 LOGIN \"" . quotemeta($username) .
45a94308	118	"\" \"" . quotemeta($password) . "\"\r\n");
3d2504a1	119	$read = sqimap_read_data ($imap_stream, "a001", false, $response, $message);
052e0c26	120
052e0c26	121	/ If the connection was not successful, lets see why /
3d2504a1	122	if ($response != "OK") {
052e0c26	123	if (!$hide) {
3d2504a1	124	if ($response != "NO") {
3d2504a1	125	// "BAD" and anything else gets reported here.
441f2d33	126	set_up_language($squirrelmail_language, true);
3d2504a1	127	if ($response == "BAD")
	128	printf (_("Bad request: %s")."<br>\r\n", $message);
	129	else
	130	printf (_("Unknown error: %s") . "<br>\n", $message);
	131	echo "<br>";
	132	echo _("Read data:") . "<br>\n";
ec0b7dbd	133	if (is_array($read))
	134	{
	135	foreach ($read as $line)
	136	{
	137	echo htmlspecialchars($line) . "<br>\n";
	138	}
3d2504a1	139	}
052e0c26	140	exit;
165e24a7	141	} else {
1b187352	142	// If the user does not log in with the correct
	143	// username and password it is not possible to get the
	144	// correct locale from the user's preferences.
	145	// Therefore, apply the same hack as on the login
	146	// screen.
	147
	148	// $squirrelmail_language is set by a cookie when
	149	// the user selects language and logs out
	150
441f2d33	151	set_up_language($squirrelmail_language, true);
1b187352	152
052e0c26	153	?>
	154	<html>
	155	<body bgcolor=ffffff>
	156	<br>
	157	<center>
	158	<table width=70% noborder bgcolor=ffffff align=center>
	159	<tr>
	160	<td bgcolor=dcdcdc>
	161	<font color=cc0000>
	162	<center>
59177427	163	<?php echo _("ERROR") ?>
052e0c26	164	</center>
	165	</font>
	166	</td>
	167	</tr>
	168	<tr>
	169	<td>
	170	<center>
59177427	171	<?php echo _("Unknown user or password incorrect.") ?><br>
5630c7ec	172	<a href="login.php" target="_top"><?php echo _("Click here to try again") ?></a>
052e0c26	173	</center>
	174	</td>
	175	</tr>
	176	</table>
	177	</center>
	178	</body>
	179	</html>
59177427	180	<?php
052e0c26	181	session_destroy();
052e0c26	182	exit;
052e0c26	183	}
	184	} else {
	185	exit;
	186	}
	187	}
	188
	189	return $imap_stream;
	190	}
	191
	192
	193
	194
	195	/******************************************************************************
	196	** Simply logs out the imap session
	197	******************************************************************************/
	198	function sqimap_logout ($imap_stream) {
	199	fputs ($imap_stream, "a001 LOGOUT\r\n");
	200	}
	201
a3db804c	202	function sqimap_capability($imap_stream, $capability) {
	203	global $sqimap_capabilities;
	204	global $imap_general_debug;
052e0c26	205
a3db804c	206	if (!is_array($sqimap_capabilities)) {
	207	fputs ($imap_stream, "a001 CAPABILITY\r\n");
	208	$read = sqimap_read_data($imap_stream, "a001", true, $a, $b);
	209
	210	$c = explode(' ', $read[0]);
	211	for ($i=2; $i < count($c); $i++) {
245a6892	212	$cap_list = explode('=', $c[$i]);
	213	if (isset($cap_list[1]))
	214	$sqimap_capabilities[$cap_list[0]] = $cap_list[1];
	215	else
	216	$sqimap_capabilities[$cap_list[0]] = TRUE;
a3db804c	217	}
	218	}
	219	return $sqimap_capabilities[$capability];
	220	}
052e0c26	221
	222	/******************************************************************************
	223	** Returns the delimeter between mailboxes: INBOX/Test, or INBOX.Test...
	224	******************************************************************************/
a3db804c	225	function sqimap_get_delimiter ($imap_stream = false) {
f6941f00	226	global $imap_general_debug;
	227	global $sqimap_delimiter;
	228	global $optional_delimiter;
	229
	230	/* Use configured delimiter if set */
	231	if((!empty($optional_delimiter)) && $optional_delimiter != "detect") {
	232	return $optional_delimiter;
	233	}
a3db804c	234
	235	/* Do some caching here */
	236	if (!$sqimap_delimiter) {
	237	if (sqimap_capability($imap_stream, "NAMESPACE")) {
	238	/* According to something that I can't find, this is supposed to work on all systems
	239	OS: This won't work in Courier IMAP.
	240	OS: According to rfc2342 response from NAMESPACE command is:
	241	OS: * NAMESPACE (PERSONAL NAMESPACES) (OTHER_USERS NAMESPACE) (SHARED NAMESPACES)
	242	OS: We want to lookup all personal NAMESPACES...
	243	*/
	244	fputs ($imap_stream, "a001 NAMESPACE\r\n");
	245	$read = sqimap_read_data($imap_stream, "a001", true, $a, $b);
	246	if (eregi('\* NAMESPACE +(\( \(.+\) \)\|NIL) +(\( \(.+\) \)\|NIL) +(\( \(.+\) \)\|NIL)', $read[0], $data)) {
	247	if (eregi('^\( \((.)\) *\)', $data[1], $data2))
	248	$pn = $data2[1];
	249	$pna = explode(')(', $pn);
	250	while (list($k, $v) = each($pna))
	251	{
	252	list($_, $n, $_, $d) = explode('"', $v);
	253	$pn[$n] = $d;
	254	}
	255	/* OS: We don't need this code right now, it is for other_users and shared folders
	256	if (eregi('^\( \((.)\) *\)', $data[2], $data2))
	257	$on = $data2[1];
	258	if (eregi('^\( \((.)\) *\)', $data[3], $data2))
	259	$sn = $data2[1];
	260	unset($data);
	261	$ona = explode(')(', $on);
	262	while (list($k, $v) = each($ona))
	263	{
	264	list($_, $n, $_, $d) = explode('"', $v);
	265	$on[$n] = $d;
	266	}
	267	$sna = explode(')(', $sn);
	268	while (list($k, $v) = each($sna))
	269	{
	270	list($_, $n, $_, $d) = explode('"', $v);
	271	$sn[$n] = $d;
	272	}
	273	*/
	274	}
	275	$sqimap_delimiter = $pn[0];
40ba4d36	276	} else {
a3db804c	277	fputs ($imap_stream, ". LIST \"INBOX\" \"\"\r\n");
	278	$read = sqimap_read_data($imap_stream, ".", true, $a, $b);
	279	$quote_position = strpos ($read[0], "\"");
	280	$sqimap_delimiter = substr ($read[0], $quote_position+1, 1);
40ba4d36	281	}
a3db804c	282	}
	283	return $sqimap_delimiter;
	284	}
052e0c26	285
	286
	287	/******************************************************************************
	288	** Gets the number of messages in the current mailbox.
	289	******************************************************************************/
	290	function sqimap_get_num_messages ($imap_stream, $mailbox) {
	291	fputs ($imap_stream, "a001 EXAMINE \"$mailbox\"\r\n");
	292	$read_ary = sqimap_read_data ($imap_stream, "a001", true, $result, $message);
	293	for ($i = 0; $i < count($read_ary); $i++) {
441f2d33	294	if (ereg("[^ ]+ +([^ ]+) +EXISTS", $read_ary[$i], $regs)) {
441f2d33	295	return $regs[1];
052e0c26	296	}
052e0c26	297	}
441f2d33	298	return "BUG! Couldn't get number of messages in $mailbox!";
052e0c26	299	}
	300
	301
	302	/******************************************************************************
	303	** Returns a displayable email address
	304	******************************************************************************/
	305	function sqimap_find_email ($string) {
	306	/** Luke Ehresman <lehresma@css.tayloru.edu>
	307	** <lehresma@css.tayloru.edu>
	308	** lehresma@css.tayloru.edu
1d2ce1c3	309	**
	310	** What about
	311	** lehresma@css.tayloru.edu (Luke Ehresman)
052e0c26	312	**/
052e0c26	313
441f2d33	314	if (ereg("<([^>]+)>", $string, $regs)) {
441f2d33	315	$string = $regs[1];
052e0c26	316	}
	317	return trim($string);
	318	}
	319
	320
	321	/******************************************************************************
	322	** Takes the From: field, and creates a displayable name.
	323	** Luke Ehresman <lkehresman@yahoo.com>
	324	** becomes: Luke Ehresman
	325	** <lkehresman@yahoo.com>
	326	** becomes: lkehresman@yahoo.com
	327	******************************************************************************/
	328	function sqimap_find_displayable_name ($string) {
1d2ce1c3	329	$string = " ".trim($string);
	330	$orig_string = $string;
	331	if (strpos($string, "<") && strpos($string, ">")) {
	332	if (strpos($string, "<") == 1) {
	333	$string = sqimap_find_email($string);
	334	} else {
	335	$string = trim($string);
	336	$string = substr($string, 0, strpos($string, "<"));
	337	$string = ereg_replace ("\"", "", $string);
	338	}
	339
	340	if (trim($string) == "") {
	341	$string = sqimap_find_email($orig_string);
	342	}
	343	}
	344	return $string;
052e0c26	345	}
	346
	347
052e0c26	348	/******************************************************************************
	349	** Returns the number of unseen messages in this folder
	350	******************************************************************************/
c5eb2c03	351	function sqimap_unseen_messages ($imap_stream, &$num_unseen, $mailbox) {
	352	//fputs ($imap_stream, "a001 SEARCH UNSEEN NOT DELETED\r\n");
	353	fputs ($imap_stream, "a001 STATUS \"$mailbox\" (UNSEEN)\r\n");
052e0c26	354	$read_ary = sqimap_read_data ($imap_stream, "a001", true, $result, $message);
441f2d33	355	ereg("UNSEEN ([0-9]+)", $read_ary[0], $regs);
441f2d33	356	return $regs[1];
052e0c26	357	}
	358
	359
	360	/******************************************************************************
	361	** Saves a message to a given folder -- used for saving sent messages
	362	******************************************************************************/
	363	function sqimap_append ($imap_stream, $sent_folder, $length) {
	364	fputs ($imap_stream, "a001 APPEND \"$sent_folder\" (\\Seen) \{$length}\r\n");
	365	$tmp = fgets ($imap_stream, 1024);
	366	}
	367
	368	function sqimap_append_done ($imap_stream) {
	369	fputs ($imap_stream, "\r\n");
	370	$tmp = fgets ($imap_stream, 1024);
	371	}
	372	?>