From 2f7405e3cec2dba156fe80ca0b041a218528562e Mon Sep 17 00:00:00 2001
From: alecpl <alec@alec.pl>
Date: Mon, 04 May 2009 03:53:01 -0400
Subject: [PATCH] - use preg_* instead of ereg* + removed caching functions
---
program/lib/imap.inc | 234 +++++-----------------------------------------------------
1 files changed, 22 insertions(+), 212 deletions(-)
diff --git a/program/lib/imap.inc b/program/lib/imap.inc
index 773a0fb..f7a46d6 100644
--- a/program/lib/imap.inc
+++ b/program/lib/imap.inc
@@ -79,6 +79,8 @@
- include BODYSTRUCTURE in iil_C_FetchHeaders()
- added iil_C_FetchMIMEHeaders() function
- added \* flag support
+ - use PREG instead of EREG
+ - removed caching functions
********************************************************/
@@ -134,9 +136,6 @@
var $selected;
var $message;
var $host;
- var $cache;
- var $uid_cache;
- var $do_cache;
var $exists;
var $recent;
var $rootdir;
@@ -258,7 +257,7 @@
function iil_MultLine($fp, $line) {
$line = chop($line);
- if (ereg('\{[0-9]+\}$', $line)) {
+ if (preg_match('/\{[0-9]+\}$/', $line)) {
$out = '';
preg_match_all('/(.*)\{([0-9]+)\}$/', $line, $a);
@@ -320,7 +319,7 @@
if (strncmp($string, $match, $len) == 0) {
return true;
}
- if ($error && preg_match('/^\* (BYE|BAD) /', $string)) {
+ if ($error && preg_match('/^\* (BYE|BAD) /i', $string)) {
return true;
}
return false;
@@ -546,7 +545,6 @@
function iil_Connect($host, $user, $password, $options=null) {
global $iil_error, $iil_errornum;
global $ICL_SSL, $ICL_PORT;
- global $IMAP_NO_CACHE;
global $my_prefs, $IMAP_USE_INTERNAL_DATE;
$iil_error = '';
@@ -579,9 +577,6 @@
$conn->selected = '';
$conn->user = $user;
$conn->host = $host;
- $conn->cache = array();
- $conn->do_cache = (function_exists("cache_write")&&!$IMAP_NO_CACHE);
- $conn->cache_dirty = array();
if ($my_prefs['sort_field'] == 'INTERNALDATE') {
$IMAP_USE_INTERNAL_DATE = true;
@@ -713,92 +708,11 @@
}
function iil_Close(&$conn) {
- iil_C_WriteCache($conn);
if (iil_PutLine($conn->fp, "I LOGOUT")) {
fgets($conn->fp, 1024);
fclose($conn->fp);
$conn->fp = false;
}
-}
-
-function iil_ClearCache($user, $host) {
-}
-
-function iil_C_WriteCache(&$conn) {
- //echo "<!-- doing iil_C_WriteCache //-->\n";
- if (!$conn->do_cache) return false;
-
- if (is_array($conn->cache)) {
- while (list($folder,$data)=each($conn->cache)) {
- if ($folder && is_array($data) && $conn->cache_dirty[$folder]) {
- $key = $folder.".imap";
- $result = cache_write($conn->user, $conn->host, $key, $data, true);
- //echo "<!-- writing $key $data: $result //-->\n";
- }
- }
- }
-}
-
-function iil_C_EnableCache(&$conn) {
- $conn->do_cache = true;
-}
-
-function iil_C_DisableCache(&$conn) {
- $conn->do_cache = false;
-}
-
-function iil_C_LoadCache(&$conn, $folder) {
- if (!$conn->do_cache) {
- return false;
- }
-
- $key = $folder.'.imap';
- if (!is_array($conn->cache[$folder])) {
- $conn->cache[$folder] = cache_read($conn->user, $conn->host, $key);
- $conn->cache_dirty[$folder] = false;
- }
-}
-
-function iil_C_ExpireCachedItems(&$conn, $folder, $message_set) {
-
- if (!$conn->do_cache) {
- return; //caching disabled
- }
- if (!is_array($conn->cache[$folder])) {
- return; //cache not initialized|empty
- }
- if (count($conn->cache[$folder]) == 0) {
- return; //cache not initialized|empty
- }
-
- $uids = iil_C_FetchHeaderIndex($conn, $folder, $message_set, 'UID');
- $num_removed = 0;
- if (is_array($uids)) {
- //echo "<!-- unsetting: ".implode(",",$uids)." //-->\n";
- while (list($n,$uid)=each($uids)) {
- unset($conn->cache[$folder][$uid]);
- //$conn->cache[$folder][$uid] = false;
- //$num_removed++;
- }
- $conn->cache_dirty[$folder] = true;
-
- //echo '<!--'."\n";
- //print_r($conn->cache);
- //echo "\n".'//-->'."\n";
- } else {
- echo "<!-- failed to get uids: $message_set //-->\n";
- }
-
- /*
- if ($num_removed>0) {
- $new_cache;
- reset($conn->cache[$folder]);
- while (list($uid,$item)=each($conn->cache[$folder])) {
- if ($item) $new_cache[$uid] = $conn->cache[$folder][$uid];
- }
- $conn->cache[$folder] = $new_cache;
- }
- */
}
function iil_ExplodeQuotedString($delimiter, $string) {
@@ -853,8 +767,6 @@
return true;
}
- iil_C_LoadCache($conn, $mailbox);
-
if (iil_PutLine($conn->fp, "sel1 SELECT \"".iil_Escape($mailbox).'"')) {
do {
$line = chop(iil_ReadLine($conn->fp, 300));
@@ -1285,50 +1197,7 @@
}
$message_set = '1' . ($num>1?':' . $num:'');
- //if cache not enabled, just call iil_C_FetchHeaderIndex on 'UID' field
- if (!$conn->do_cache)
- return iil_C_FetchHeaderIndex($conn, $mailbox, $message_set, 'UID');
-
- //otherwise, let's check cache first
- $key = $mailbox.'.uids';
- $cache_good = true;
- if ($conn->uid_cache) {
- $data = $conn->uid_cache;
- } else {
- $data = cache_read($conn->user, $conn->host, $key);
- }
-
- //was anything cached at all?
- if ($data === false) {
- $cache_good = -1;
- }
-
- //make sure number of messages were the same
- if ($cache_good > 0 && $data['n'] != $num) {
- $cache_good = -2;
- }
-
- //if everything's okay so far...
- if ($cache_good > 0) {
- //check UIDs of highest mid with current and cached
- $temp = iil_C_Search($conn, $mailbox, 'UID ' . $data['d'][$num]);
- if (!$temp || !is_array($temp) || $temp[0] != $num) {
- $cache_good = -3;
- }
- }
-
- //if cached data's good, return it
- if ($cache_good > 0) {
- return $data['d'];
- }
-
- //otherwise, we need to fetch it
- $data = array('n' => $num, 'd' => array());
- $data['d'] = iil_C_FetchHeaderIndex($conn, $mailbox, $message_set, 'UID');
-
- cache_write($conn->user, $conn->host, $key, $data);
- $conn->uid_cache = $data;
- return $data['d'];
+ return iil_C_FetchHeaderIndex($conn, $mailbox, $message_set, 'UID');
}
function iil_SortThreadHeaders($headers, $index_a, $uids) {
@@ -1355,30 +1224,7 @@
$uids = iil_C_FetchUIDs($conn, $mailbox);
$debug = false;
- /* Get cached records where possible */
- if ($conn->do_cache) {
- $cached = cache_read($conn->user, $conn->host, $mailbox.'.thhd');
- if ($cached && is_array($uids) && count($uids)>0) {
- $needed_set = '';
- foreach ($uids as $id=>$uid) {
- if ($cached[$uid]) {
- $result[$uid] = $cached[$uid];
- $result[$uid]->id = $id;
- } else {
- $needed_set .= ($needed_set ? ',' : '') . $id;
- }
- }
- if ($needed_set) {
- $message_set = $needed_set;
- } else {
- $message_set = '';
- }
- }
- }
$message_set = iil_CompressMessageSet($message_set);
- if ($debug) {
- echo "Still need: ".$message_set;
- }
/* if we're missing any, get them */
if ($message_set) {
@@ -1396,7 +1242,7 @@
if ($debug) {
echo $line . "\n";
}
- if (ereg('\{[0-9]+\}$', $line)) {
+ if (preg_match('/\{[0-9]+\}$/', $line)) {
$a = explode(' ', $line);
$new = array();
@@ -1414,7 +1260,7 @@
$new[strtoupper($field_name)] = trim($field_val);
- } else if (ereg('^[[:space:]]', $line)) {
+ } else if (preg_match('/^\s+/', $line)) {
$new[strtoupper($field_name)] .= trim($line);
}
} while ($line[0] != ')');
@@ -1431,13 +1277,6 @@
/* sort headers */
if (is_array($index_a)) {
$result = iil_SortThreadHeaders($result, $index_a, $uids);
- }
-
- /* write new set to cache */
- if ($conn->do_cache) {
- if (count($result)!=count($cached)) {
- cache_write($conn->user, $conn->host, $mailbox . '.thhd', $result);
- }
}
//echo 'iil_FetchThreadHeaders:'."\n";
@@ -1464,7 +1303,7 @@
$fp = $conn->fp;
$debug = false;
- $sbj_filter_pat = '[a-zA-Z]{2,3}(\[[0-9]*\])?:([[:space:]]*)';
+ $sbj_filter_pat = '/[a-z]{2,3}(\[[0-9]*\])?:(\s*)/i';
/* Do "SELECT" command */
if (!iil_C_Select($conn, $mailbox)) {
@@ -1501,18 +1340,18 @@
}
/* if subject contains 'RE:' or has in-reply-to header, it's a reply */
- $sbj_pre ='';
+ $sbj_pre = '';
$has_re = false;
- if (eregi($sbj_filter_pat, $new['SUBJECT'])) {
+ if (preg_match($sbj_filter_pat, $new['SUBJECT'])) {
$has_re = true;
}
- if ($has_re||$new['IN-REPLY-TO']) {
+ if ($has_re || $new['IN-REPLY-TO']) {
$sbj_pre = 'RE:';
}
/* strip out 're:', 'fw:' etc */
if ($has_re) {
- $sbj = ereg_replace($sbj_filter_pat, '', $new['SUBJECT']);
+ $sbj = preg_replace($sbj_filter_pat, '', $new['SUBJECT']);
} else {
$sbj = $new['SUBJECT'];
}
@@ -1681,30 +1520,8 @@
return false;
}
- /* Get cached records where possible */
- if ($conn->do_cache) {
- $uids = iil_C_FetchHeaderIndex($conn, $mailbox, $message_set, "UID");
- if (is_array($uids) && count($conn->cache[$mailbox]>0)) {
- $needed_set = '';
- while (list($id,$uid)=each($uids)) {
- if ($conn->cache[$mailbox][$uid]) {
- $result[$id] = $conn->cache[$mailbox][$uid];
- $result[$id]->id = $id;
- } else {
- $needed_set.=($needed_set ? ',': '') . $id;
- }
- }
- //echo "<!-- iil_C_FetchHeader\nMessage Set: $message_set\nNeeded Set:$needed_set\n//-->\n";
- if ($needed_set) {
- $message_set = iil_CompressMessageSet($needed_set);
- } else {
- return $result;
- }
- }
- }
-
if ($add)
- $add = ' '.strtoupper(trim($add));
+ $add = ' '.strtoupper(trim($add));
/* FETCH uid, size, flags and headers */
$key = 'FH12';
@@ -1746,7 +1563,7 @@
$str = $matches[1];
// swap parents with quotes, then explode
- $str = eregi_replace("[()]", "\"", $str);
+ $str = preg_replace('/[()]/', '"', $str);
$a = iil_ExplodeQuotedString(' ', $str);
// did we get the right number of replies?
@@ -1863,7 +1680,7 @@
list($field, $string) = iil_SplitHeaderLine($str);
$field = strtolower($field);
- $string = ereg_replace("\n[[:space:]]*"," ",$string);
+ $string = preg_replace('/\n\s*/', ' ', $string);
switch ($field) {
case 'date';
@@ -1904,7 +1721,7 @@
}
break;
case 'in-reply-to':
- $result[$id]->in_reply_to = ereg_replace("[\n<>]", '', $string);
+ $result[$id]->in_reply_to = preg_replace('/[\n<>]/', '', $string);
break;
case 'references':
$result[$id]->references = $string;
@@ -1927,19 +1744,13 @@
break;
} // end switch ()
} // end while ()
-
- if ($conn->do_cache) {
- $uid = $result[$id]->uid;
- $conn->cache[$mailbox][$uid] = $result[$id];
- $conn->cache_dirty[$mailbox] = true;
- }
} else {
$a = explode(' ', $line);
}
// process flags
if (!empty($flags_str)) {
- $flags_str = eregi_replace('[\\\"]', '', $flags_str);
+ $flags_str = preg_replace('/[\\\"]/', '', $flags_str);
$flags_a = explode(' ', $flags_str);
if (is_array($flags_a)) {
@@ -2089,7 +1900,6 @@
} while (!iil_StartsWith($line, 'flg', true));
if (iil_ParseResult($line) == 0) {
- iil_C_ExpireCachedItems($conn, $mailbox, $messages);
return $c;
}
$conn->error = $line;
@@ -2174,7 +1984,7 @@
if (iil_PutLine($fp, "$key FETCH $id (UID)")) {
do {
$line=chop(iil_ReadLine($fp, 1024));
- if (eregi("^\* $id FETCH \(UID (.*)\)", $line, $r)) {
+ if (preg_match("/^\* $id FETCH \(UID (.*)\)/i", $line, $r)) {
$result = $r[1];
}
} while (!preg_match("/^$key/", $line));
@@ -2194,7 +2004,7 @@
}
do {
$line=trim(iil_ReadLine($fp, 10000));
- if (eregi("^\* SEARCH", $line)) {
+ if (preg_match('/^\* SEARCH/i', $line)) {
$str = trim(substr($line, 8));
$messages = explode(' ', $str);
}
@@ -2337,7 +2147,7 @@
$folder = trim($a[count($a)-1], '"');
if (empty($ignore) || (!empty($ignore)
- && !eregi($ignore, $folder))) {
+ && !preg_match('/'.preg_quote(ignore, '/').'/i', $folder))) {
$folders[$i] = $folder;
}
@@ -2405,7 +2215,7 @@
$folder = trim($a[count($a)-1], '"');
if ((!in_array($folder, $folders)) && (empty($ignore)
- || (!empty($ignore) && !eregi($ignore, $folder)))) {
+ || (!empty($ignore) && !preg_match('/'.preg_quote(ignore, '/').'/i', $folder)))) {
$folders[$i] = $folder;
}
@@ -2818,7 +2628,7 @@
// return false if not found, parse if found
$min_free = PHP_INT_MAX;
foreach ($quota_lines as $key => $quota_line) {
- $quota_line = eregi_replace('[()]', '', $quota_line);
+ $quota_line = preg_replace('/[()]/', '', $quota_line);
$parts = explode(' ', $quota_line);
$storage_part = array_search('STORAGE', $parts);
--
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