[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 $message
    ******************************************************************************/
   function sqimap_read_data ($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();
      $total_size = 0;
      
      $continue = true;
      while ($continue) {
         // Continue if needed for this single line
         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) {
               $data[] = $read;
               $read = fgets($imap_stream, 9096);
               while (!ereg("^$pre (OK|BAD|NO)(.*)$", $read, $regs)) {
                  $read = fgets($imap_stream, 9096);
               }
               $continue = false;
            } else if ($total_size > $size) {
               $difference = $total_size - $size;
               $total_size = $total_size - strlen($read);
               $read = substr ($read, 0, strlen($read)-$difference);
               $data[] = $read;
               $junk = fgets($imap_stream, 9096);
               $continue = false;
            } else {
               $data[] = $read;
               $read = fgets($imap_stream, 9096);
            }
            $total_size += strlen($read);
         } else {
            if (ereg("^$pre (OK|BAD|NO)(.*)$", $read, $regs)) {
               $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 (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 $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 ($imap_stream, "a001 LOGIN \"" . quoteIMAP($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 $message
	21	******************************************************************************/
3d2504a1	22	function sqimap_read_data ($imap_stream, $pre, $handle_errors, &$response, &$message) {
a3db804c	23	global $color, $squirrelmail_language, $imap_general_debug;
a3432f47	24
f358f099	25	$read = fgets($imap_stream, 9096);
245a6892	26
4e7d6212	27	if (ereg("^\\* [0-9]+ FETCH.*\\{([0-9]+)\\}", $read, $regs)) {
d9ca5b40	28	$size = $regs[1];
245a6892	29	} else {
245a6892	30	$size = 0;
d9ca5b40	31	}
d9ca5b40	32
61d9e885	33	$data = array();
4f5c1bcb	34	$total_size = 0;
245a6892	35
d9ca5b40	36	$continue = true;
	37	while ($continue) {
	38	// Continue if needed for this single line
	39	while (strpos($read, "\n") === false) {
	40	$read .= fgets($imap_stream, 9096);
	41	}
4f5c1bcb	42	// For debugging purposes
d9ca5b40	43	if ($imap_general_debug) {
	44	echo "<small><tt><font color=\"#CC0000\">$read</font></tt></small><br>\n";
	45	flush();
	46	}
4f5c1bcb	47
	48
	49	// If we know the size, no need to look at the end parameters
	50	if ($size > 0) {
	51	if ($total_size == $size) {
	52	$data[] = $read;
	53	$read = fgets($imap_stream, 9096);
61d9e885	54	while (!ereg("^$pre (OK\|BAD\|NO)(.*)$", $read, $regs)) {
	55	$read = fgets($imap_stream, 9096);
	56	}
4f5c1bcb	57	$continue = false;
	58	} else if ($total_size > $size) {
	59	$difference = $total_size - $size;
	60	$total_size = $total_size - strlen($read);
	61	$read = substr ($read, 0, strlen($read)-$difference);
	62	$data[] = $read;
	63	$junk = fgets($imap_stream, 9096);
d9ca5b40	64	$continue = false;
4f5c1bcb	65	} else {
	66	$data[] = $read;
	67	$read = fgets($imap_stream, 9096);
d9ca5b40	68	}
4f5c1bcb	69	$total_size += strlen($read);
d9ca5b40	70	} else {
4f5c1bcb	71	if (ereg("^$pre (OK\|BAD\|NO)(.*)$", $read, $regs)) {
	72	$continue = false;
	73	} else {
	74	$data[] = $read;
	75	$read = fgets ($imap_stream, 9096);
	76	}
d9ca5b40	77	}
f358f099	78	}
a3db804c	79
3d2504a1	80	$response = $regs[1];
	81	$message = trim($regs[2]);
	82
74424a43	83	if ($imap_general_debug) echo '--<br>';
052e0c26	84
f358f099	85	if ($handle_errors == false)
f358f099	86	return $data;
d9ca5b40	87
74424a43	88	if ($response == 'NO') {
f358f099	89	// ignore this error from m$ exchange, it is not fatal (aka bug)
8e8ebd27	90	if (strstr($message, 'command resulted in') === false) {
441f2d33	91	set_up_language($squirrelmail_language);
04632dbc	92	echo "<br><b><font color=$color[2]>\n";
f358f099	93	echo _("ERROR : Could not complete request.");
04632dbc	94	echo "</b><br>\n";
f358f099	95	echo _("Reason Given: ");
3d2504a1	96	echo $message . "</font><br>\n";
052e0c26	97	exit;
052e0c26	98	}
74424a43	99	} else if ($response == 'BAD') {
f358f099	100	set_up_language($squirrelmail_language);
	101	echo "<br><b><font color=$color[2]>\n";
	102	echo _("ERROR : Bad or malformed request.");
	103	echo "</b><br>\n";
	104	echo _("Server responded: ");
	105	echo $message . "</font><br>\n";
	106	exit;
052e0c26	107	}
	108
	109	return $data;
	110	}
	111
052e0c26	112	/******************************************************************************
	113	** Logs the user into the imap server. If $hide is set, no error messages
	114	** will be displayed. This function returns the imap connection handle.
	115	******************************************************************************/
	116	function sqimap_login ($username, $password, $imap_server_address, $imap_port, $hide) {
bc104ef3	117	global $color, $squirrelmail_language, $HTTP_ACCEPT_LANGUAGE, $onetimepad;
1b187352	118
342c46bd	119	$imap_stream = fsockopen ($imap_server_address, $imap_port,
090595e1	120	$error_number, $error_string, 15);
052e0c26	121	$server_info = fgets ($imap_stream, 1024);
052e0c26	122
52eefafc	123	// Decrypt the password
bc104ef3	124	$password = OneTimePadDecrypt($password, $onetimepad);
52eefafc	125
052e0c26	126	/ Do some error correction /
	127	if (!$imap_stream) {
	128	if (!$hide) {
441f2d33	129	set_up_language($squirrelmail_language, true);
1b187352	130	printf (_("Error connecting to IMAP server: %s.")."<br>\r\n", $imap_server_address);
052e0c26	131	echo "$error_number : $error_string<br>\r\n";
	132	}
	133	exit;
	134	}
	135
704db5b2	136	fputs ($imap_stream, "a001 LOGIN \"" . quoteIMAP($username) .
704db5b2	137	'" "' . quoteIMAP($password) . "\"\r\n");
74424a43	138	$read = sqimap_read_data ($imap_stream, 'a001', false, $response, $message);
052e0c26	139
052e0c26	140	/ If the connection was not successful, lets see why /
3d2504a1	141	if ($response != "OK") {
052e0c26	142	if (!$hide) {
74424a43	143	if ($response != 'NO') {
3d2504a1	144	// "BAD" and anything else gets reported here.
441f2d33	145	set_up_language($squirrelmail_language, true);
74424a43	146	if ($response == 'BAD')
3d2504a1	147	printf (_("Bad request: %s")."<br>\r\n", $message);
	148	else
	149	printf (_("Unknown error: %s") . "<br>\n", $message);
74424a43	150	echo '<br>';
3d2504a1	151	echo _("Read data:") . "<br>\n";
ec0b7dbd	152	if (is_array($read))
	153	{
	154	foreach ($read as $line)
	155	{
	156	echo htmlspecialchars($line) . "<br>\n";
	157	}
3d2504a1	158	}
052e0c26	159	exit;
165e24a7	160	} else {
1b187352	161	// If the user does not log in with the correct
	162	// username and password it is not possible to get the
	163	// correct locale from the user's preferences.
	164	// Therefore, apply the same hack as on the login
	165	// screen.
	166
	167	// $squirrelmail_language is set by a cookie when
	168	// the user selects language and logs out
	169
441f2d33	170	set_up_language($squirrelmail_language, true);
1b187352	171
052e0c26	172	?>
052e0c26	173	<html>
74424a43	174	<body bgcolor="ffffff">
052e0c26	175	<br>
052e0c26	176	<center>
74424a43	177	<table width="70%" noborder bgcolor="ffffff" align="center">
052e0c26	178	<tr>
74424a43	179	<td bgcolor="dcdcdc">
74424a43	180	<font color="cc0000">
052e0c26	181	<center>
59177427	182	<?php echo _("ERROR") ?>
052e0c26	183	</center>
	184	</font>
	185	</td>
	186	</tr>
	187	<tr>
	188	<td>
	189	<center>
59177427	190	<?php echo _("Unknown user or password incorrect.") ?><br>
5630c7ec	191	<a href="login.php" target="_top"><?php echo _("Click here to try again") ?></a>
052e0c26	192	</center>
	193	</td>
	194	</tr>
	195	</table>
	196	</center>
	197	</body>
	198	</html>
59177427	199	<?php
052e0c26	200	session_destroy();
052e0c26	201	exit;
052e0c26	202	}
	203	} else {
	204	exit;
	205	}
	206	}
	207
	208	return $imap_stream;
	209	}
	210
	211
	212
	213
	214	/******************************************************************************
	215	** Simply logs out the imap session
	216	******************************************************************************/
	217	function sqimap_logout ($imap_stream) {
	218	fputs ($imap_stream, "a001 LOGOUT\r\n");
	219	}
	220
f435778e	221	function sqimap_capability($imap_stream, $capability) {
a3db804c	222	global $sqimap_capabilities;
a3db804c	223	global $imap_general_debug;
052e0c26	224
a3db804c	225	if (!is_array($sqimap_capabilities)) {
a3db804c	226	fputs ($imap_stream, "a001 CAPABILITY\r\n");
74424a43	227	$read = sqimap_read_data($imap_stream, 'a001', true, $a, $b);
a3db804c	228
	229	$c = explode(' ', $read[0]);
	230	for ($i=2; $i < count($c); $i++) {
245a6892	231	$cap_list = explode('=', $c[$i]);
	232	if (isset($cap_list[1]))
	233	$sqimap_capabilities[$cap_list[0]] = $cap_list[1];
	234	else
	235	$sqimap_capabilities[$cap_list[0]] = TRUE;
a3db804c	236	}
	237	}
	238	return $sqimap_capabilities[$capability];
	239	}
052e0c26	240
	241	/******************************************************************************
	242	** Returns the delimeter between mailboxes: INBOX/Test, or INBOX.Test...
	243	******************************************************************************/
f435778e	244	function sqimap_get_delimiter ($imap_stream = false) {
	245	global $imap_general_debug;
	246	global $sqimap_delimiter;
	247	global $optional_delimiter;
f6941f00	248
f435778e	249	/* Use configured delimiter if set */
	250	if((!empty($optional_delimiter)) && $optional_delimiter != "detect")
	251	return $optional_delimiter;
a3db804c	252
f435778e	253	/* Do some caching here */
f435778e	254	if (!$sqimap_delimiter) {
a3db804c	255	if (sqimap_capability($imap_stream, "NAMESPACE")) {
	256	/* According to something that I can't find, this is supposed to work on all systems
	257	OS: This won't work in Courier IMAP.
	258	OS: According to rfc2342 response from NAMESPACE command is:
	259	OS: * NAMESPACE (PERSONAL NAMESPACES) (OTHER_USERS NAMESPACE) (SHARED NAMESPACES)
	260	OS: We want to lookup all personal NAMESPACES...
	261	*/
	262	fputs ($imap_stream, "a001 NAMESPACE\r\n");
74424a43	263	$read = sqimap_read_data($imap_stream, 'a001', true, $a, $b);
8e8ebd27	264	if (eregi('\\* NAMESPACE +(\\( \\(.+\\) \\)\|NIL) +(\\( \\(.+\\) \\)\|NIL) +(\\( \\(.+\\) \\)\|NIL)', $read[0], $data)) {
8e8ebd27	265	if (eregi('^\\( \\((.)\\) *\\)', $data[1], $data2))
a3db804c	266	$pn = $data2[1];
	267	$pna = explode(')(', $pn);
	268	while (list($k, $v) = each($pna))
	269	{
862ff2d3	270	$lst = explode('"', $v);
	271	if (isset($lst[3])) {
	272	$pn[$lst[1]] = $lst[3];
	273	} else {
74424a43	274	$pn[$lst[1]] = '';
862ff2d3	275	}
a3db804c	276	}
a3db804c	277	}
a3db804c	278	$sqimap_delimiter = $pn[0];
40ba4d36	279	} else {
a3db804c	280	fputs ($imap_stream, ". LIST \"INBOX\" \"\"\r\n");
74424a43	281	$read = sqimap_read_data($imap_stream, '.', true, $a, $b);
74424a43	282	$quote_position = strpos ($read[0], '"');
a3db804c	283	$sqimap_delimiter = substr ($read[0], $quote_position+1, 1);
40ba4d36	284	}
a3db804c	285	}
a3db804c	286	return $sqimap_delimiter;
f435778e	287	}
052e0c26	288
	289
	290	/******************************************************************************
	291	** Gets the number of messages in the current mailbox.
	292	******************************************************************************/
	293	function sqimap_get_num_messages ($imap_stream, $mailbox) {
	294	fputs ($imap_stream, "a001 EXAMINE \"$mailbox\"\r\n");
74424a43	295	$read_ary = sqimap_read_data ($imap_stream, 'a001', true, $result, $message);
052e0c26	296	for ($i = 0; $i < count($read_ary); $i++) {
441f2d33	297	if (ereg("[^ ]+ +([^ ]+) +EXISTS", $read_ary[$i], $regs)) {
441f2d33	298	return $regs[1];
052e0c26	299	}
052e0c26	300	}
441f2d33	301	return "BUG! Couldn't get number of messages in $mailbox!";
052e0c26	302	}
	303
	304
	305	/******************************************************************************
	306	** Returns a displayable email address
	307	******************************************************************************/
	308	function sqimap_find_email ($string) {
	309	/** Luke Ehresman <lehresma@css.tayloru.edu>
	310	** <lehresma@css.tayloru.edu>
	311	** lehresma@css.tayloru.edu
1d2ce1c3	312	**
	313	** What about
	314	** lehresma@css.tayloru.edu (Luke Ehresman)
052e0c26	315	**/
052e0c26	316
441f2d33	317	if (ereg("<([^>]+)>", $string, $regs)) {
441f2d33	318	$string = $regs[1];
052e0c26	319	}
	320	return trim($string);
	321	}
	322
	323
	324	/******************************************************************************
	325	** Takes the From: field, and creates a displayable name.
	326	** Luke Ehresman <lkehresman@yahoo.com>
	327	** becomes: Luke Ehresman
	328	** <lkehresman@yahoo.com>
	329	** becomes: lkehresman@yahoo.com
	330	******************************************************************************/
	331	function sqimap_find_displayable_name ($string) {
74424a43	332	$string = ' '.trim($string);
1d2ce1c3	333	$orig_string = $string;
74424a43	334	if (strpos($string, '<') && strpos($string, '>')) {
74424a43	335	if (strpos($string, '<') == 1) {
1d2ce1c3	336	$string = sqimap_find_email($string);
	337	} else {
	338	$string = trim($string);
74424a43	339	$string = substr($string, 0, strpos($string, '<'));
74424a43	340	$string = ereg_replace ('"', '', $string);
1d2ce1c3	341	}
1d2ce1c3	342
74424a43	343	if (trim($string) == '') {
1d2ce1c3	344	$string = sqimap_find_email($orig_string);
	345	}
	346	}
	347	return $string;
052e0c26	348	}
	349
	350
052e0c26	351	/******************************************************************************
	352	** Returns the number of unseen messages in this folder
	353	******************************************************************************/
4d2c01e3	354	function sqimap_unseen_messages ($imap_stream, $mailbox) {
c5eb2c03	355	//fputs ($imap_stream, "a001 SEARCH UNSEEN NOT DELETED\r\n");
c5eb2c03	356	fputs ($imap_stream, "a001 STATUS \"$mailbox\" (UNSEEN)\r\n");
74424a43	357	$read_ary = sqimap_read_data ($imap_stream, 'a001', true, $result, $message);
441f2d33	358	ereg("UNSEEN ([0-9]+)", $read_ary[0], $regs);
441f2d33	359	return $regs[1];
052e0c26	360	}
	361
	362
	363	/******************************************************************************
	364	** Saves a message to a given folder -- used for saving sent messages
	365	******************************************************************************/
	366	function sqimap_append ($imap_stream, $sent_folder, $length) {
	367	fputs ($imap_stream, "a001 APPEND \"$sent_folder\" (\\Seen) \{$length}\r\n");
	368	$tmp = fgets ($imap_stream, 1024);
	369	}
	370
	371	function sqimap_append_done ($imap_stream) {
	372	fputs ($imap_stream, "\r\n");
	373	$tmp = fgets ($imap_stream, 1024);
	374	}
	375	?>