Revert previous change, we already had the display_upgrade_note action.

Author: cdujeu

core/src/plugins/action.updater/class.UpdateController.php

@@ -85,25 +85,8 @@ public function switchAction($action, $httpVars, $fileVars)
 
             case "get_upgrade_path":
 
-                if(isSet($httpVars["proxy_note"])){
-                    $latestNote = $_SESSION["pydio-upgrade-latest-note"];
-                    if(!empty($latestNote)){
-                        $html = file_get_contents($latestNote, null, AjaXplorerUpgrader::getContext());
-                        header("Content-type: text/html");
-                        echo $html;
-                        return;
-                    }
-                }
                 header("Content-type: application/json");
-                $jsonString = AjaXplorerUpgrader::getUpgradePath($this->pluginConf["UPDATE_SITE"], "json", $this->pluginConf["UPDATE_CHANNEL"]);
-                $data = json_decode($jsonString, true);
-                if(!empty($this->pluginConf["UPDATE_SITE_USER"]) && isSet($data["latest_note"]) && strpos($data["latest_note"], $this->pluginConf["UPDATE_SITE"]) === 0 && ConfService::$useSession){
-                    $_SESSION["pydio-upgrade-latest-note"] = $data["latest_note"];
-                    $data["latest_note"] = rtrim(AJXP_Utils::detectServerURL(true), "/")."/?get_action=get_upgrade_path&proxy_note=true&secure_token=".$httpVars["secure_token"];
-                    echo json_encode($data);
-                }else{
-                    echo $jsonString;
-                }
+                print AjaXplorerUpgrader::getUpgradePath($this->pluginConf["UPDATE_SITE"], "json", $this->pluginConf["UPDATE_CHANNEL"]);
 
             break;