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Fixes #2037 Menu-Cache encoding changed to json for more reliable handling of array data. Error catching added on eval() code with syntax errors when PHP7 is being used.

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This commit is contained in:
Cameron
2016-11-18 14:40:53 -08:00
parent cae2b0721e
commit 74221c1cd5
2 changed files with 78 additions and 24 deletions
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79
e107_handlers/core_functions.php
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@@ -412,7 +412,7 @@ if (!function_exists('multiarray_sort'))
class e_array {
/**
* Returns an array from stored array data.
* Returns an array from stored array data in php serialized, e107 var_export and json-encoded data.
*
* @param string $ArrayData
* @return array stored data
@@ -429,12 +429,31 @@ class e_array {
}
// Saftety mechanism for 0.7 -> 0.8 transition.
if(substr($ArrayData,0,2)=='a:' || substr($ArrayData,0,2)=='s:')
if(substr($ArrayData,0,2)=='a:' || substr($ArrayData,0,2)=='s:') // php serialize.
{
$dat = unserialize($ArrayData);
$ArrayData = $this->WriteArray($dat,FALSE);
}
if(substr($ArrayData,0,1) === '{' || substr($ArrayData,0,1) === '[') // json
{
$dat = json_decode($ArrayData, true);
// e107::getDebug()->log("Json data found");
if(json_last_error() != JSON_ERROR_NONE && (e_DEBUG === true))
{
echo "<div class='alert alert-danger'><h4>e107::unserialize() Parser Error (json)</h4></div>";
echo "<pre>";
debug_print_backtrace();
echo "</pre>";
}
return $dat;
}
// below is var_export() format using eval();
$ArrayData = trim($ArrayData);
if(strtolower(substr($ArrayData,0,5)) != 'array')
@@ -461,13 +480,43 @@ class e_array {
$data = "";
$ArrayData = '$data = '.$ArrayData.';';
if(PHP_MAJOR_VERSION > 6) // catch parser error.
{
try
{
@eval($ArrayData);
}
catch (ParseError $e)
{
if(e_DEBUG === true)
{
$message = $e->getMessage();
$message .= print_a($ArrayData,true);
echo "<div class='alert alert-danger'><h4>e107::unserialize() Parser Error</h4>". $message. "</div>";
echo "<pre>";
debug_print_backtrace();
echo "</pre>";
}
return array();
}
}
else
{
@eval($ArrayData);
if (!isset($data) || !is_array($data))
{
trigger_error("Bad stored array data - <br /><br />".htmlentities($ArrayData), E_USER_ERROR);
return false;
}
}
@eval($ArrayData);
if (!isset($data) || !is_array($data))
{
trigger_error("Bad stored array data - <br /><br />".htmlentities($ArrayData), E_USER_ERROR);
return false;
}
return $data;
}
@@ -476,18 +525,24 @@ class e_array {
* Return a string containg exported array data.
*
* @param array $ArrayData array to be stored
* @param bool $AddSlashes default true, add slashes for db storage, else false
* @param bool|string $mode true = var_export with addedslashes, false = var_export (default), 'json' = json encoded
* @return string
*/
public function serialize($ArrayData, $AddSlashes = false)
public function serialize($ArrayData, $mode = false)
{
if (!is_array($ArrayData)) {
if (!is_array($ArrayData) || empty($ArrayData))
{
return false;
}
if($mode === 'json')
{
return json_encode($ArrayData, JSON_PRETTY_PRINT);
}
$Array = var_export($ArrayData, true);
if ($AddSlashes == true)
if ($mode == true)
{
$Array = addslashes($Array);
}