<?php
- /**
- ** mail_fetch/functions.php
- **
- ** Copyright (c) 1999-2004 The SquirrelMail Project Team
- ** Licensed under the GNU GPL. For full terms see the file COPYING.
- **
- ** Functions for the mailfetch plugin.
- **
- ** Original code from LexZEUS <lexzeus@mifinca.com>
- ** and josh@superfork.com (extracted from php manual)
- ** Adapted for MailFetch by Philippe Mingo <mingo@rotedic.com>
- **
- ** $Id$
- * @package plugins
- * @subpackage mail_fetch
- **/
-
- /**
- * hex2bin - document me
- */
- function hex2bin( $data ) {
-
- /* Original code by josh@superfork.com */
-
- $len = strlen($data);
- $newdata = '';
- for( $i=0; $i < $len; $i += 2 ) {
- $newdata .= pack( "C", hexdec( substr( $data, $i, 2) ) );
+/**
+ * mail_fetch/functions.php
+ *
+ * Functions for the mail_fetch plugin.
+ *
+ * Original code from LexZEUS <lexzeus@mifinca.com>
+ * and josh@superfork.com (extracted from php manual)
+ * Adapted for MailFetch by Philippe Mingo <mingo@rotedic.com>
+ *
+ * @copyright © 1999-2006 The SquirrelMail Project Team
+ * @license http://opensource.org/licenses/gpl-license.php GNU Public License
+ * @version $Id$
+ * @package plugins
+ * @subpackage mail_fetch
+ */
+
+
+/** pop3 class */
+include_once (SM_PATH . 'plugins/mail_fetch/class.POP3.php');
+
+/** declare plugin globals */
+global $mail_fetch_allow_unsubscribed;
+
+/**
+ * Controls use of unsubscribed folders in plugin
+ * @global boolean $mail_fetch_allow_unsubscribed
+ * @since 1.5.1 and 1.4.5
+ */
+$mail_fetch_allow_unsubscribed = false;
+
+/** load site config */
+if (file_exists(SM_PATH . 'config/mail_fetch_config.php')) {
+ include_once(SM_PATH . 'config/mail_fetch_config.php');
+} elseif (file_exists(SM_PATH . 'plugins/mail_fetch/config.php')) {
+ include_once(SM_PATH . 'plugins/mail_fetch/config.php');
+}
+
+// hooked functions
+
+/**
+ * internal function used to load user's preferences
+ * @since 1.5.1
+ * @private
+ */
+function mail_fetch_load_pref_function() {
+ global $data_dir;
+ global $mailfetch_server_number;
+ global $mailfetch_cypher, $mailfetch_port_;
+ global $mailfetch_server_,$mailfetch_alias_,$mailfetch_user_,$mailfetch_pass_;
+ global $mailfetch_lmos_, $mailfetch_uidl_, $mailfetch_login_, $mailfetch_fref_;
+ global $PHP_SELF;
+
+ sqgetGlobalVar('username', $username, SQ_SESSION);
+
+ if( stristr( $PHP_SELF, 'mail_fetch' ) ) {
+ $mailfetch_server_number = getPref($data_dir, $username, 'mailfetch_server_number', 0);
+ $mailfetch_cypher = getPref($data_dir, $username, 'mailfetch_cypher', 'on' );
+ if ($mailfetch_server_number<1) $mailfetch_server_number=0;
+ for ($i=0;$i<$mailfetch_server_number;$i++) {
+ $mailfetch_server_[$i] = getPref($data_dir, $username, "mailfetch_server_$i");
+ $mailfetch_port_[$i] = getPref($data_dir, $username, "mailfetch_port_$i");
+ $mailfetch_alias_[$i] = getPref($data_dir, $username, "mailfetch_alias_$i");
+ $mailfetch_user_[$i] = getPref($data_dir, $username, "mailfetch_user_$i");
+ $mailfetch_pass_[$i] = getPref($data_dir, $username, "mailfetch_pass_$i");
+ $mailfetch_lmos_[$i] = getPref($data_dir, $username, "mailfetch_lmos_$i");
+ $mailfetch_login_[$i] = getPref($data_dir, $username, "mailfetch_login_$i");
+ $mailfetch_fref_[$i] = getPref($data_dir, $username, "mailfetch_fref_$i");
+ $mailfetch_uidl_[$i] = getPref($data_dir, $username, "mailfetch_uidl_$i");
+ if( $mailfetch_cypher == 'on' ) $mailfetch_pass_[$i] = decrypt( $mailfetch_pass_[$i] );
+ }
+ }
+}
+
+/**
+ * Internal function used to fetch pop3 mails on login
+ * @since 1.5.1
+ * @private
+ */
+function mail_fetch_login_function() {
+ //include_once (SM_PATH . 'include/validate.php');
+ include_once (SM_PATH . 'functions/imap_general.php');
+
+ global $data_dir, $imapServerAddress, $imapPort;
+
+ sqgetGlobalVar('username', $username, SQ_SESSION);
+ sqgetGlobalVar('key', $key, SQ_COOKIE);
+
+ $mailfetch_newlog = getPref($data_dir, $username, 'mailfetch_newlog');
+
+ $outMsg = '';
+
+ $mailfetch_server_number = getPref($data_dir, $username, 'mailfetch_server_number');
+ if (!isset($mailfetch_server_number)) $mailfetch_server_number=0;
+ $mailfetch_cypher = getPref($data_dir, $username, 'mailfetch_cypher');
+ if ($mailfetch_server_number<1) $mailfetch_server_number=0;
+
+ for ($i_loop=0;$i_loop<$mailfetch_server_number;$i_loop++) {
+
+ $mailfetch_login_[$i_loop] = getPref($data_dir, $username, "mailfetch_login_$i_loop");
+ $mailfetch_fref_[$i_loop] = getPref($data_dir, $username, "mailfetch_fref_$i_loop");
+ $mailfetch_pass_[$i_loop] = getPref($data_dir, $username, "mailfetch_pass_$i_loop");
+ if( $mailfetch_cypher == 'on' )
+ $mailfetch_pass_[$i_loop] = decrypt( $mailfetch_pass_[$i_loop] );
+
+ if( $mailfetch_pass_[$i_loop] <> '' && // Empty passwords no allowed
+ ( ( $mailfetch_login_[$i_loop] == 'on' && $mailfetch_newlog == 'on' ) || $mailfetch_fref_[$i_loop] == 'on' ) ) {
+
+ $mailfetch_server_[$i_loop] = getPref($data_dir, $username, "mailfetch_server_$i_loop");
+ $mailfetch_port_[$i_loop] = getPref($data_dir, $username , "mailfetch_port_$i_loop");
+ $mailfetch_alias_[$i_loop] = getPref($data_dir, $username, "mailfetch_alias_$i_loop");
+ $mailfetch_user_[$i_loop] = getPref($data_dir, $username, "mailfetch_user_$i_loop");
+ $mailfetch_lmos_[$i_loop] = getPref($data_dir, $username, "mailfetch_lmos_$i_loop");
+ $mailfetch_uidl_[$i_loop] = getPref($data_dir, $username, "mailfetch_uidl_$i_loop");
+ $mailfetch_subfolder_[$i_loop] = getPref($data_dir, $username, "mailfetch_subfolder_$i_loop");
+
+ $mailfetch_server=$mailfetch_server_[$i_loop];
+ $mailfetch_port=$mailfetch_port_[$i_loop];
+ $mailfetch_user=$mailfetch_user_[$i_loop];
+ $mailfetch_alias=$mailfetch_alias_[$i_loop];
+ $mailfetch_pass=$mailfetch_pass_[$i_loop];
+ $mailfetch_lmos=$mailfetch_lmos_[$i_loop];
+ $mailfetch_login=$mailfetch_login_[$i_loop];
+ $mailfetch_uidl=$mailfetch_uidl_[$i_loop];
+ $mailfetch_subfolder=$mailfetch_subfolder_[$i_loop];
+
+ // $outMsg .= "$mailfetch_alias checked<br />";
+
+ // $outMsg .= "$mailfetch_alias_[$i_loop]<br />";
+
+ $pop3 = new POP3($mailfetch_server, 60);
+
+ if (!$pop3->connect($mailfetch_server,$mailfetch_port)) {
+ $outMsg .= _("Warning:") . ' ' . $pop3->ERROR;
+ continue;
+ }
+
+ $imap_stream = sqimap_login($username, $key, $imapServerAddress, $imapPort, 10);
+
+ $Count = $pop3->login($mailfetch_user, $mailfetch_pass);
+ if (($Count == false || $Count == -1) && $pop3->ERROR != '') {
+ $outMsg .= _("Login Failed:") . ' ' . $pop3->ERROR;
+ continue;
+ }
+
+ // register_shutdown_function($pop3->quit());
+
+ $msglist = $pop3->uidl();
+
+ $i = 1;
+ for ($j = 1; $j < sizeof($msglist); $j++) {
+ if ($msglist["$j"] == $mailfetch_uidl) {
+ $i = $j+1;
+ break;
+ }
+ }
+
+ if ($Count < $i) {
+ $pop3->quit();
+ continue;
+ }
+ if ($Count == 0) {
+ $pop3->quit();
+ continue;
+ }
+
+ // Faster to get them all at once
+ $mailfetch_uidl = $pop3->uidl();
+
+ if (! is_array($mailfetch_uidl) && $mailfetch_lmos == 'on')
+ $outMsg .= _("Server does not support UIDL.");
+
+ for (; $i <= $Count; $i++) {
+ if (!ini_get('safe_mode'))
+ set_time_limit(20); // 20 seconds per message max
+ $Message = "";
+ $MessArray = $pop3->get($i);
+
+ if ( (!$MessArray) or (gettype($MessArray) != "array")) {
+ $outMsg .= _("Warning:") . ' ' . $pop3->ERROR;
+ continue 2;
+ }
+
+ while (list($lineNum, $line) = each ($MessArray)) {
+ $Message .= $line;
+ }
+
+ // check if mail folder is not null and subscribed (There is possible issue with /noselect mail folders)
+ if ($mailfetch_subfolder=='' ||
+ ! mail_fetch_check_folder($imap_stream,$mailfetch_subfolder)) {
+ fputs($imap_stream, "A3$i APPEND INBOX {" . strlen($Message) . "}\r\n");
+ } else {
+ fputs($imap_stream, "A3$i APPEND $mailfetch_subfolder {" . strlen($Message) . "}\r\n");
+ }
+ $Line = fgets($imap_stream, 1024);
+ if (substr($Line, 0, 1) == '+') {
+ fputs($imap_stream, $Message);
+ fputs($imap_stream, "\r\n");
+ sqimap_read_data($imap_stream, "A3$i", false, $response, $message);
+
+ if ($mailfetch_lmos != 'on') {
+ $pop3->delete($i);
+ }
+ } else {
+ echo "$Line";
+ $outMsg .= _("Error Appending Message!");
+ }
+ }
+
+ $pop3->quit();
+ sqimap_logout($imap_stream);
+ if (is_array($mailfetch_uidl)) {
+ setPref($data_dir,$username,"mailfetch_uidl_$i_loop", array_pop($mailfetch_uidl));
+ }
}
- return $newdata;
}
- function mf_keyED( $txt ) {
+ if( trim( $outMsg ) <> '' ) {
+ echo '<br /><font size="1">' . _("Mail Fetch Result:") . "<br />$outMsg</font>";
+ }
+ if( $mailfetch_newlog == 'on' ) {
+ setPref($data_dir, $username, 'mailfetch_newlog', 'off');
+ }
+}
+
+/**
+ * Internal function used to detect new logins
+ */
+function mail_fetch_setnew_function() {
+ global $data_dir;
+
+ sqgetGlobalVar('username', $username, SQ_SESSION);
+ setPref( $data_dir, $username, 'mailfetch_newlog', 'on' );
+}
+
+/**
+ * Internal function used to register option block
+ * @since 1.5.1
+ * @private
+ */
+function mailfetch_optpage_register_block_function() {
+ global $optpage_blocks;
- global $MF_TIT;
+ $optpage_blocks[] = array(
+ 'name' => _("POP3 Fetch Mail"),
+ 'url' => '../plugins/mail_fetch/options.php',
+ 'desc' => _("This configures settings for downloading email from a POP3 mailbox to your account on this server."),
+ 'js' => false
+ );
+}
- if( !isset( $MF_TIT ) ) {
- $MF_TIT = "MailFetch Secure for SquirrelMail 1.x";
+/**
+ * Internal function used to update mail_fetch settings
+ * when folders are renamed or deleted.
+ * @since 1.5.1
+ * @private
+ */
+function mail_fetch_folderact_function($args) {
+ global $username, $data_dir;
+
+ if (empty($args) || !is_array($args)) {
+ return;
+ }
+
+ /* Should be 3 ars, 1: old folder, 2: action, 3: new folder */
+ if (count($args) != 3) {
+ return;
+ }
+
+ list($old_folder, $action, $new_folder) = $args;
+
+ $mailfetch_server_number = getPref($data_dir, $username, 'mailfetch_server_number');
+
+ for ($i = 0; $i < $mailfetch_server_number; $i++) {
+ $mailfetch_subfolder = getPref($data_dir, $username, 'mailfetch_subfolder_' . $i);
+
+ if ($mailfetch_subfolder != $old_folder) {
+ continue;
}
- $encrypt_key = md5( $MF_TIT );
- $ctr = 0;
- $tmp = "";
- for( $i = 0; $i < strlen( $txt ); $i++ ) {
- if( $ctr == strlen( $encrypt_key ) ) $ctr=0;
- $tmp.= substr( $txt, $i, 1 ) ^ substr( $encrypt_key, $ctr, 1 );
- $ctr++;
+ if ($action == 'delete') {
+ setPref($data_dir, $username, 'mailfetch_subfolder_' . $i, 'INBOX');
+ } elseif ($action == 'rename') {
+ setPref($data_dir, $username, 'mailfetch_subfolder_' . $i, $new_folder);
}
- return $tmp;
}
+}
+// end of hooked functions
+
+/**
+ * hex2bin - document me
+ */
+function hex2bin( $data ) {
- function encrypt( $txt ) {
+ /* Original code by josh@superfork.com */
+
+ $len = strlen($data);
+ $newdata = '';
+ for( $i=0; $i < $len; $i += 2 ) {
+ $newdata .= pack( "C", hexdec( substr( $data, $i, 2) ) );
+ }
+ return $newdata;
+}
- srand( (double) microtime() * 1000000 );
- $encrypt_key = md5( rand( 0, 32000 ) );
- $ctr = 0;
- $tmp = "";
- for( $i = 0; $i < strlen( $txt ); $i++ ) {
+function mf_keyED( $txt ) {
+
+ global $MF_TIT;
+
+ if( !isset( $MF_TIT ) ) {
+ $MF_TIT = "MailFetch Secure for SquirrelMail 1.x";
+ }
+
+ $encrypt_key = md5( $MF_TIT );
+ $ctr = 0;
+ $tmp = "";
+ for( $i = 0; $i < strlen( $txt ); $i++ ) {
+ if( $ctr == strlen( $encrypt_key ) ) $ctr=0;
+ $tmp.= substr( $txt, $i, 1 ) ^ substr( $encrypt_key, $ctr, 1 );
+ $ctr++;
+ }
+ return $tmp;
+}
+
+function encrypt( $txt ) {
+
+ srand( (double) microtime() * 1000000 );
+ $encrypt_key = md5( rand( 0, 32000 ) );
+ $ctr = 0;
+ $tmp = "";
+ for( $i = 0; $i < strlen( $txt ); $i++ ) {
if ($ctr==strlen($encrypt_key)) $ctr=0;
- $tmp.= substr($encrypt_key,$ctr,1) .
- (substr($txt,$i,1) ^ substr($encrypt_key,$ctr,1));
+ $tmp.= substr($encrypt_key,$ctr,1) .
+ (substr($txt,$i,1) ^ substr($encrypt_key,$ctr,1));
$ctr++;
- }
- return bin2hex( mf_keyED( $tmp ) );
+ }
+ return bin2hex( mf_keyED( $tmp ) );
+
+}
+
+function decrypt( $txt ) {
+ $txt = mf_keyED( hex2bin( $txt ) );
+ $tmp = '';
+ for ( $i=0; $i < strlen( $txt ); $i++ ) {
+ $md5 = substr( $txt, $i, 1 );
+ $i++;
+ $tmp.= ( substr( $txt, $i, 1 ) ^ $md5 );
}
+ return $tmp;
+}
- function decrypt( $txt ) {
+/**
+ * check mail folder
+ * @param stream $imap_stream imap connection resource
+ * @param string $imap_folder imap folder name
+ * @return boolean true, when folder can be used to store messages.
+ * @since 1.5.1 and 1.4.5
+ */
+function mail_fetch_check_folder($imap_stream,$imap_folder) {
+ global $mail_fetch_allow_unsubscribed;
- $txt = mf_keyED( hex2bin( $txt ) );
- $tmp = '';
- for ( $i=0; $i < strlen( $txt ); $i++ ) {
- $md5 = substr( $txt, $i, 1 );
- $i++;
- $tmp.= ( substr( $txt, $i, 1 ) ^ $md5 );
- }
- return $tmp;
+ // check if folder is subscribed or only exists.
+ if (sqimap_mailbox_is_subscribed($imap_stream,$imap_folder)) {
+ $ret = true;
+ } elseif ($mail_fetch_allow_unsubscribed && sqimap_mailbox_exists($imap_stream,$imap_folder)) {
+ $ret = true;
+ } else {
+ $ret = false;
}
-?>
\ No newline at end of file
+ // make sure that folder can store messages
+ if ($ret && mail_fetch_check_noselect($imap_stream,$imap_folder)) {
+ $ret = false;
+ }
+
+ return $ret;
+}
+
+/**
+ * Checks if folder is noselect (can't store messages)
+ *
+ * Function does not check if folder subscribed.
+ * @param stream $imap_stream imap connection resource
+ * @param string $imap_folder imap folder name
+ * @return boolean true, when folder has noselect flag. false in any other case.
+ * @since 1.5.1 and 1.4.5
+ */
+function mail_fetch_check_noselect($imap_stream,$imap_folder) {
+ $boxes=sqimap_mailbox_list($imap_stream);
+ foreach($boxes as $box) {
+ if ($box['unformatted']==$imap_folder) {
+ return (bool) check_is_noselect($box['raw']);
+ }
+ }
+ return false;
+}