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-rw-r--r--engine/classes/ElggPAM.php8
-rw-r--r--engine/lib/elgglib.php16
-rw-r--r--engine/lib/entities.php2
-rw-r--r--engine/lib/extender.php6
-rw-r--r--engine/lib/notification.php7
-rw-r--r--engine/lib/pagehandler.php9
-rw-r--r--engine/lib/pam.php7
-rw-r--r--engine/lib/relationships.php2
-rw-r--r--engine/lib/views.php2
-rw-r--r--engine/lib/web_services.php9
10 files changed, 41 insertions, 27 deletions
diff --git a/engine/classes/ElggPAM.php b/engine/classes/ElggPAM.php
index 0681a909b..f07095fc1 100644
--- a/engine/classes/ElggPAM.php
+++ b/engine/classes/ElggPAM.php
@@ -53,11 +53,17 @@ class ElggPAM {
foreach ($_PAM_HANDLERS[$this->policy] as $k => $v) {
$handler = $v->handler;
+ if (!is_callable($handler)) {
+ continue;
+ }
+ /* @var callable $handler */
+
$importance = $v->importance;
try {
// Execute the handler
- $result = $handler($credentials);
+ // @todo don't assume $handler is a global function
+ $result = call_user_func($handler, $credentials);
if ($result) {
$authenticated = true;
} elseif ($result === false) {
diff --git a/engine/lib/elgglib.php b/engine/lib/elgglib.php
index 26c1cccfd..85610f0c2 100644
--- a/engine/lib/elgglib.php
+++ b/engine/lib/elgglib.php
@@ -684,7 +684,7 @@ function elgg_register_event_handler($event, $object_type, $callback, $priority
$CONFIG->events[$event][$object_type] = array();
}
- if (!is_callable($callback)) {
+ if (!is_callable($callback, true)) {
return FALSE;
}
@@ -770,7 +770,7 @@ function elgg_trigger_event($event, $object_type, $object = null) {
foreach ($events as $callback_list) {
if (is_array($callback_list)) {
foreach ($callback_list as $callback) {
- if (call_user_func_array($callback, $args) === FALSE) {
+ if (is_callable($callback) && (call_user_func_array($callback, $args) === FALSE)) {
return FALSE;
}
}
@@ -863,7 +863,7 @@ function elgg_register_plugin_hook_handler($hook, $type, $callback, $priority =
$CONFIG->hooks[$hook][$type] = array();
}
- if (!is_callable($callback)) {
+ if (!is_callable($callback, true)) {
return FALSE;
}
@@ -970,10 +970,12 @@ function elgg_trigger_plugin_hook($hook, $type, $params = null, $returnvalue = n
foreach ($hooks as $callback_list) {
if (is_array($callback_list)) {
foreach ($callback_list as $hookcallback) {
- $args = array($hook, $type, $returnvalue, $params);
- $temp_return_value = call_user_func_array($hookcallback, $args);
- if (!is_null($temp_return_value)) {
- $returnvalue = $temp_return_value;
+ if (is_callable($hookcallback)) {
+ $args = array($hook, $type, $returnvalue, $params);
+ $temp_return_value = call_user_func_array($hookcallback, $args);
+ if (!is_null($temp_return_value)) {
+ $returnvalue = $temp_return_value;
+ }
}
}
}
diff --git a/engine/lib/entities.php b/engine/lib/entities.php
index a50567d9f..5a5906b1f 100644
--- a/engine/lib/entities.php
+++ b/engine/lib/entities.php
@@ -2011,7 +2011,7 @@ function get_entity_url($entity_guid) {
function elgg_register_entity_url_handler($entity_type, $entity_subtype, $function_name) {
global $CONFIG;
- if (!is_callable($function_name)) {
+ if (!is_callable($function_name, true)) {
return false;
}
diff --git a/engine/lib/extender.php b/engine/lib/extender.php
index 43421342c..636b711ea 100644
--- a/engine/lib/extender.php
+++ b/engine/lib/extender.php
@@ -136,7 +136,7 @@ function can_edit_extender($extender_id, $type, $user_guid = 0) {
$functionname = "elgg_get_{$type}_from_id";
if (is_callable($functionname)) {
- $extender = $functionname($extender_id);
+ $extender = call_user_func($functionname, $extender_id);
} else {
return false;
}
@@ -175,7 +175,7 @@ function elgg_register_extender_url_handler($extender_type, $extender_name, $fun
global $CONFIG;
- if (!is_callable($function_name)) {
+ if (!is_callable($function_name, true)) {
return false;
}
@@ -228,7 +228,7 @@ function get_extender_url(ElggExtender $extender) {
if ($url == "") {
$nameid = $extender->id;
if ($type == 'volatile') {
- $nameid == $extender->name;
+ $nameid = $extender->name;
}
$url = "export/$view/$guid/$type/$nameid/";
}
diff --git a/engine/lib/notification.php b/engine/lib/notification.php
index 18faff27f..9e3c075a8 100644
--- a/engine/lib/notification.php
+++ b/engine/lib/notification.php
@@ -38,7 +38,7 @@ $NOTIFICATION_HANDLERS = array();
function register_notification_handler($method, $handler, $params = NULL) {
global $NOTIFICATION_HANDLERS;
- if (is_callable($handler)) {
+ if (is_callable($handler, true)) {
$NOTIFICATION_HANDLERS[$method] = new stdClass;
$NOTIFICATION_HANDLERS[$method]->handler = $handler;
@@ -131,8 +131,9 @@ function notify_user($to, $from, $subject, $message, array $params = NULL, $meth
// Extract method details from list
$details = $NOTIFICATION_HANDLERS[$method];
$handler = $details->handler;
+ /* @var callable $handler */
- if ((!$NOTIFICATION_HANDLERS[$method]) || (!$handler)) {
+ if ((!$NOTIFICATION_HANDLERS[$method]) || (!$handler) || (!is_callable($handler))) {
error_log(elgg_echo('NotificationException:NoHandlerFound', array($method)));
}
@@ -140,7 +141,7 @@ function notify_user($to, $from, $subject, $message, array $params = NULL, $meth
// Trigger handler and retrieve result.
try {
- $result[$guid][$method] = $handler(
+ $result[$guid][$method] = call_user_func($handler,
$from ? get_entity($from) : NULL, // From entity
get_entity($guid), // To entity
$subject, // The subject
diff --git a/engine/lib/pagehandler.php b/engine/lib/pagehandler.php
index ba7518a77..a53506812 100644
--- a/engine/lib/pagehandler.php
+++ b/engine/lib/pagehandler.php
@@ -45,7 +45,10 @@ function page_handler($handler, $page) {
$page = $request['segments'];
$result = false;
- if (isset($CONFIG->pagehandler) && !empty($handler) && isset($CONFIG->pagehandler[$handler])) {
+ if (isset($CONFIG->pagehandler)
+ && !empty($handler)
+ && isset($CONFIG->pagehandler[$handler])
+ && is_callable($CONFIG->pagehandler[$handler])) {
$function = $CONFIG->pagehandler[$handler];
$result = call_user_func($function, $page, $handler);
}
@@ -76,14 +79,14 @@ function page_handler($handler, $page) {
* @param string $handler The page type to handle
* @param string $function Your function name
*
- * @return true|false Depending on success
+ * @return bool Depending on success
*/
function elgg_register_page_handler($handler, $function) {
global $CONFIG;
if (!isset($CONFIG->pagehandler)) {
$CONFIG->pagehandler = array();
}
- if (is_callable($function)) {
+ if (is_callable($function, true)) {
$CONFIG->pagehandler[$handler] = $function;
return true;
}
diff --git a/engine/lib/pam.php b/engine/lib/pam.php
index 4f9f44278..1c9c3bfe1 100644
--- a/engine/lib/pam.php
+++ b/engine/lib/pam.php
@@ -30,7 +30,9 @@ $_PAM_HANDLERS = array();
* failure, return false or throw an exception. Returning nothing indicates that
* the handler wants to be skipped.
*
- * @param string $handler The handler function in the format
+ * Note, $handler must be string callback (not an array/Closure).
+ *
+ * @param string $handler Callable global handler function in the format ()
* pam_handler($credentials = NULL);
* @param string $importance The importance - "sufficient" (default) or "required"
* @param string $policy The policy type, default is "user"
@@ -45,7 +47,8 @@ function register_pam_handler($handler, $importance = "sufficient", $policy = "u
$_PAM_HANDLERS[$policy] = array();
}
- if (is_callable($handler)) {
+ // @todo remove requirement that $handle be a global function
+ if (is_string($handler) && is_callable($handler, true)) {
$_PAM_HANDLERS[$policy][$handler] = new stdClass;
$_PAM_HANDLERS[$policy][$handler]->handler = $handler;
diff --git a/engine/lib/relationships.php b/engine/lib/relationships.php
index 09d541e22..01654b1ce 100644
--- a/engine/lib/relationships.php
+++ b/engine/lib/relationships.php
@@ -416,7 +416,7 @@ function elgg_list_entities_from_relationship_count($options) {
function elgg_register_relationship_url_handler($relationship_type, $function_name) {
global $CONFIG;
- if (!is_callable($function_name)) {
+ if (!is_callable($function_name, true)) {
return false;
}
diff --git a/engine/lib/views.php b/engine/lib/views.php
index 6135026a7..e43c29cb2 100644
--- a/engine/lib/views.php
+++ b/engine/lib/views.php
@@ -1403,7 +1403,7 @@ function elgg_view_access_collections($owner_guid) {
*/
function set_template_handler($function_name) {
global $CONFIG;
- if (!empty($function_name) && is_callable($function_name)) {
+ if (is_callable($function_name)) {
$CONFIG->template_handler = $function_name;
return true;
}
diff --git a/engine/lib/web_services.php b/engine/lib/web_services.php
index da3ed76a9..39fb0dc44 100644
--- a/engine/lib/web_services.php
+++ b/engine/lib/web_services.php
@@ -232,6 +232,7 @@ function execute_method($method) {
$function = $API_METHODS[$method]["function"];
$serialised_parameters = trim($serialised_parameters, ", ");
+ // @todo document why we cannot use call_user_func_array here
$result = eval("return $function($serialised_parameters);");
// Sanity check result
@@ -1278,11 +1279,9 @@ function service_handler($handler, $request) {
// no handlers set or bad url
header("HTTP/1.0 404 Not Found");
exit;
- } else if (isset($CONFIG->servicehandler[$handler])
- && is_callable($CONFIG->servicehandler[$handler])) {
-
+ } else if (isset($CONFIG->servicehandler[$handler]) && is_callable($CONFIG->servicehandler[$handler])) {
$function = $CONFIG->servicehandler[$handler];
- $function($request, $handler);
+ call_user_func($function, $request, $handler);
} else {
// no handler for this web service
header("HTTP/1.0 404 Not Found");
@@ -1304,7 +1303,7 @@ function register_service_handler($handler, $function) {
if (!isset($CONFIG->servicehandler)) {
$CONFIG->servicehandler = array();
}
- if (is_callable($function)) {
+ if (is_callable($function, true)) {
$CONFIG->servicehandler[$handler] = $function;
return true;
}
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-03 14:44:44 +0000