summaryrefslogtreecommitdiff
path: root/program
diff options
context:
space:
mode:
Diffstat (limited to 'program')
-rw-r--r--program/include/rcube_imap.php8
-rw-r--r--program/include/rcube_shared.inc15
-rw-r--r--program/steps/mail/search.inc2
3 files changed, 23 insertions, 2 deletions
diff --git a/program/include/rcube_imap.php b/program/include/rcube_imap.php
index 66b5c4bd6..0b2f84d4f 100644
--- a/program/include/rcube_imap.php
+++ b/program/include/rcube_imap.php
@@ -1434,6 +1434,12 @@ class rcube_imap extends rcube_storage
$criteria = 'UNDELETED '.$criteria;
}
+ // unset CHARSET if criteria string is ASCII, this way
+ // SEARCH won't be re-sent after "unsupported charset" response
+ if ($charset && $charset != 'US-ASCII' && is_ascii($criteria)) {
+ $charset = 'US-ASCII';
+ }
+
if ($this->threading) {
$threads = $this->conn->thread($folder, $this->threading, $criteria, true, $charset);
@@ -1465,7 +1471,7 @@ class rcube_imap extends rcube_storage
}
$messages = $this->conn->search($folder,
- ($charset ? "CHARSET $charset " : '') . $criteria, true);
+ ($charset && $charset != 'US-ASCII' ? "CHARSET $charset " : '') . $criteria, true);
// Error, try with US-ASCII (some servers may support only US-ASCII)
if ($messages->is_error() && $charset && $charset != 'US-ASCII') {
diff --git a/program/include/rcube_shared.inc b/program/include/rcube_shared.inc
index c15305c08..4577c6df5 100644
--- a/program/include/rcube_shared.inc
+++ b/program/include/rcube_shared.inc
@@ -255,6 +255,21 @@ function asciiwords($str, $css_id = false, $replace_with = '')
/**
+ * Check if a string contains only ascii characters
+ *
+ * @param string $str String to check
+ * @param bool $control_chars Includes control characters
+ *
+ * @return bool
+ */
+function is_ascii($str, $control_chars = true)
+{
+ $regexp = $control_chars ? '/[^\x00-\x7F]/' : '/[^\x20-\x7E]/';
+ return preg_match($regexp, $str) ? false : true;
+}
+
+
+/**
* Remove single and double quotes from a given string
*
* @param string Input value
diff --git a/program/steps/mail/search.inc b/program/steps/mail/search.inc
index 670680959..db5424b3b 100644
--- a/program/steps/mail/search.inc
+++ b/program/steps/mail/search.inc
@@ -100,7 +100,7 @@ $search = isset($srch) ? trim($srch) : trim($str);
if (!empty($subject)) {
$search_str .= str_repeat(' OR', count($subject)-1);
foreach ($subject as $sub)
- $search_str .= sprintf(" %s {%d}\r\n%s", $sub, strlen($search), $search);
+ $search_str .= ' ' . $sub . ' ' . rcube_imap_generic::escape($search);
}
$search_str = trim($search_str);