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authorChristian Foellmann <foellmann@foe-services.de>2014-04-05 17:35:38 +0400
committerChristian Foellmann <foellmann@foe-services.de>2014-04-05 17:35:38 +0400
commit9eb27ef6ebc763ddc6f6278462b8ffeed6de0e36 (patch)
treed3b4a1c7ae68cafb05b9d60040c9c22d457cee62 /libraries/js_escape.lib.php
parentd472216554769ba596795f23a70c1809fa8897a3 (diff)
INIT phpmyadmin 4.1.12 multilanguage
Diffstat (limited to 'libraries/js_escape.lib.php')
-rw-r--r--libraries/js_escape.lib.php133
1 files changed, 133 insertions, 0 deletions
diff --git a/libraries/js_escape.lib.php b/libraries/js_escape.lib.php
new file mode 100644
index 0000000000..42d7fed520
--- /dev/null
+++ b/libraries/js_escape.lib.php
@@ -0,0 +1,133 @@
+<?php
+/* vim: set expandtab sw=4 ts=4 sts=4: */
+/**
+ * Javascript escaping functions.
+ *
+ * @package PhpMyAdmin
+ *
+ */
+if (! defined('PHPMYADMIN')) {
+ exit;
+}
+
+/**
+ * Format a string so it can be a string inside JavaScript code inside an
+ * eventhandler (onclick, onchange, on..., ).
+ * This function is used to displays a javascript confirmation box for
+ * "DROP/DELETE/ALTER" queries.
+ *
+ * @param string $a_string the string to format
+ * @param boolean $add_backquotes whether to add backquotes to the string or not
+ *
+ * @return string the formatted string
+ *
+ * @access public
+ */
+function PMA_jsFormat($a_string = '', $add_backquotes = true)
+{
+ if (is_string($a_string)) {
+ $a_string = htmlspecialchars($a_string);
+ $a_string = PMA_escapeJsString($a_string);
+ // Needed for inline javascript to prevent some browsers
+ // treating it as a anchor
+ $a_string = str_replace('#', '\\#', $a_string);
+ }
+
+ return (($add_backquotes) ? PMA_Util::backquote($a_string) : $a_string);
+} // end of the 'PMA_jsFormat()' function
+
+/**
+ * escapes a string to be inserted as string a JavaScript block
+ * enclosed by <![CDATA[ ... ]]>
+ * this requires only to escape ' with \' and end of script block
+ *
+ * We also remove NUL byte as some browsers (namely MSIE) ignore it and
+ * inserting it anywhere inside </script would allow to bypass this check.
+ *
+ * @param string $string the string to be escaped
+ *
+ * @return string the escaped string
+ */
+function PMA_escapeJsString($string)
+{
+ return preg_replace(
+ '@</script@i', '</\' + \'script',
+ strtr(
+ $string,
+ array(
+ "\000" => '',
+ '\\' => '\\\\',
+ '\'' => '\\\'',
+ '"' => '\"',
+ "\n" => '\n',
+ "\r" => '\r'
+ )
+ )
+ );
+}
+
+/**
+ * Formats a value for javascript code.
+ *
+ * @param string $value String to be formatted.
+ *
+ * @return string formatted value.
+ */
+function PMA_formatJsVal($value)
+{
+ if (is_bool($value)) {
+ if ($value) {
+ return 'true';
+ } else {
+ return 'false';
+ }
+ } elseif (is_int($value)) {
+ return (int)$value;
+ } else {
+ return '"' . PMA_escapeJsString($value) . '"';
+ }
+}
+
+/**
+ * Formats an javascript assignment with proper escaping of a value
+ * and support for assigning array of strings.
+ *
+ * @param string $key Name of value to set
+ * @param mixed $value Value to set, can be either string or array of strings
+ * @param bool $escape Whether to escape value or keep it as it is
+ * (for inclusion of js code)
+ *
+ * @return string Javascript code.
+ */
+function PMA_getJsValue($key, $value, $escape = true)
+{
+ $result = $key . ' = ';
+ if (!$escape) {
+ $result .= $value;
+ } elseif (is_array($value)) {
+ $result .= '[';
+ foreach ($value as $val) {
+ $result .= PMA_formatJsVal($val) . ",";
+ }
+ $result .= "];\n";
+ } else {
+ $result .= PMA_formatJsVal($value) . ";\n";
+ }
+ return $result;
+}
+
+/**
+ * Prints an javascript assignment with proper escaping of a value
+ * and support for assigning array of strings.
+ *
+ * @param string $key Name of value to set
+ * @param mixed $value Value to set, can be either string or array of strings
+ *
+ * @return void
+ */
+function PMA_printJsValue($key, $value)
+{
+ echo PMA_getJsValue($key, $value);
+}
+
+?>