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- Code improvements + more infinite loop prevention

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release-0.6
alecpl 14 years ago
parent a5c56b3b21
commit ed302bbbed
1 changed files with 33 additions and 50 deletions
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83
program/include/rcube_imap_generic.php
Unescape Escape View File

@ -119,7 +119,7 @@ class rcube_imap_generic
{
}
private function putLine($string, $endln=true)
function putLine($string, $endln=true)
{
if (!$this->fp)
return false;
@ -128,11 +128,18 @@ class rcube_imap_generic
write_log('imap', 'C: '. rtrim($string));
}
return fputs($this->fp, $string . ($endln ? "\r\n" : ''));
$res = fwrite($this->fp, $string . ($endln ? "\r\n" : ''));
if ($res === false) {
@fclose($this->fp);
$this->fp = null;
}
return $res;
}
// $this->putLine replacement with Command Continuation Requests (RFC3501 7.5) support
private function putLineC($string, $endln=true)
function putLineC($string, $endln=true)
{
if (!$this->fp)
return false;
@ -166,7 +173,7 @@ class rcube_imap_generic
return $res;
}
private function readLine($size=1024)
function readLine($size=1024)
{
$line = '';
@ -199,7 +206,7 @@ class rcube_imap_generic
return $line;
}
private function multLine($line, $escape=false)
function multLine($line, $escape=false)
{
$line = rtrim($line);
if (preg_match('/\{[0-9]+\}$/', $line)) {
@ -220,7 +227,7 @@ class rcube_imap_generic
return $line;
}
private function readBytes($bytes)
function readBytes($bytes)
{
$data = '';
$len = 0;
@ -242,7 +249,7 @@ class rcube_imap_generic
}
// don't use it in loops, until you exactly know what you're doing
private function readReply(&$untagged=null)
function readReply(&$untagged=null)
{
do {
$line = trim($this->readLine(1024));
@ -257,7 +264,7 @@ class rcube_imap_generic
return $line;
}
private function parseResult($string)
function parseResult($string)
{
$a = explode(' ', trim($string));
if (count($a) >= 2) {
@ -278,7 +285,7 @@ class rcube_imap_generic
}
// check if $string starts with $match (or * BYE/BAD)
private function startsWith($string, $match, $error=false, $nonempty=false)
function startsWith($string, $match, $error=false, $nonempty=false)
{
$len = strlen($match);
if ($len == 0) {
@ -303,31 +310,6 @@ class rcube_imap_generic
return false;
}
private function startsWithI($string, $match, $error=false, $nonempty=false)
{
$len = strlen($match);
if ($len == 0) {
return false;
}
if (!$this->fp) {
return true;
}
if (strncasecmp($string, $match, $len) == 0) {
return true;
}
if ($error && preg_match('/^\* (BYE|BAD) /i', $string, $m)) {
if (strtoupper($m[1]) == 'BYE') {
@fclose($this->fp);
$this->fp = null;
}
return true;
}
if ($nonempty && !strlen($string)) {
return true;
}
return false;
}
function getCapability($name)
{
if (in_array($name, $this->capability)) {
@ -346,14 +328,10 @@ class rcube_imap_generic
}
do {
$line = trim($this->readLine(1024));
$a = explode(' ', $line);
if ($line[0] == '*') {
while (list($k, $w) = each($a)) {
if ($w != '*' && $w != 'CAPABILITY')
$this->capability[] = strtoupper($w);
}
}
} while ($a[0] != 'cp01');
if (preg_match('/^\* CAPABILITY (.+)/i', $line, $matches)) {
$this->capability = explode(' ', strtoupper($matches[1]));
}
} while (!$this->startsWith($line, 'cp01', true));
$this->capability_readed = true;
@ -454,7 +432,7 @@ class rcube_imap_generic
}
do {
$line = $this->readLine(1024);
if ($this->startsWith($line, '* NAMESPACE')) {
if (preg_match('/^\* NAMESPACE/', $line)) {
$i = 0;
$line = $this->unEscape($line);
$data = $this->parseNamespace(substr($line,11), $i, 0, 0);
@ -532,7 +510,7 @@ class rcube_imap_generic
do {
$line = $this->readLine(1024);
if ($this->startsWith($line, '* NAMESPACE')) {
if (preg_match('/^\* NAMESPACE/', $line)) {
$i = 0;
$line = $this->unEscape($line);
$data = $this->parseNamespace(substr($line,11), $i, 0, 0);
@ -655,7 +633,7 @@ class rcube_imap_generic
$this->putLine("tls0 STARTTLS");
$line = $this->readLine(4096);
if (!$this->startsWith($line, "tls0 OK")) {
if (!preg_match('/^tls0 OK/', $line)) {
$this->error = "Server responded to STARTTLS with: $line";
$this->errornum = -2;
return false;
@ -824,7 +802,8 @@ class rcube_imap_generic
$add = $this->compressMessageSet(join(',', $add));
$command = "s ".$is_uid."SORT ($field) $encoding ALL";
$line = $data = '';
$line = '';
$data = '';
if (!empty($add))
$command .= ' '.$add;
@ -834,7 +813,7 @@ class rcube_imap_generic
}
do {
$line = rtrim($this->readLine());
if ($this->startsWith($line, '* SORT')) {
if (!$data && preg_match('/^\* SORT/', $line)) {
$data .= substr($line, 7);
} else if (preg_match('/^[0-9 ]+$/', $line)) {
$data .= $line;
@ -1562,7 +1541,7 @@ class rcube_imap_generic
}
do {
$line = trim($this->readLine());
if ($this->startsWith($line, '* THREAD')) {
if (!$data && preg_match('/^\* THREAD/', $line)) {
$data .= substr($line, 9);
} else if (preg_match('/^[0-9() ]+$/', $line)) {
$data .= $line;
@ -1603,7 +1582,7 @@ class rcube_imap_generic
do {
$line = trim($this->readLine());
if ($this->startsWith($line, '* SEARCH')) {
if (!$data && preg_match('/^\* SEARCH/', $line)) {
$data .= substr($line, 8);
} else if (preg_match('/^[0-9 ]+$/', $line)) {
$data .= $line;
@ -1816,6 +1795,10 @@ class rcube_imap_generic
while ($bytes > 0) {
$line = $this->readLine(1024);
if ($line === NULL)
break;
$len = strlen($line);
if ($len > $bytes) {
@ -2106,7 +2089,7 @@ class rcube_imap_generic
if ($this->putLine('QUOT1 GETQUOTAROOT "INBOX"')) {
do {
$line = rtrim($this->readLine(5000));
if ($this->startsWith($line, '* QUOTA ')) {
if (preg_match('/^\* QUOTA /', $line)) {
$quota_lines[] = $line;
}
} while (!$this->startsWith($line, 'QUOT1', true, true));

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