1 files changed, 50 insertions, 4 deletions
diff --git a/node/db/PadManager.js b/node/db/PadManager.js
index 04ab7eb7..f0ce8818 100644
--- a/node/db/PadManager.js
+++ b/node/db/PadManager.js
@@ -19,6 +19,7 @@
  */
 
 require("../db/Pad");
+var db = require("./DB").db;
 
 /**
  * A Array with all known Pads
@@ -30,8 +31,40 @@ globalPads = [];
  * @param id A String with the id of the pad
  * @param {Function} callback 
  */
-exports.getPad = function(id, callback)
+exports.getPad = function(id, text, callback)
 {    
+  //check if this is a valid padId
+  if(!exports.isValidPadId(id))
+  {
+    callback({stop: id + " is not a valid padId"});
+    return;
+  }
+  
+  //make text an optional parameter
+  if(typeof text == "function")
+  {
+    callback = text;
+    text = null;
+  }
+  
+  //check if this is a valid text
+  if(text != null)
+  {
+    //check if text is a string
+    if(typeof text != "string")
+    {
+      callback({stop: "text is not a string"});
+      return;
+    }
+    
+    //check if text is less than 100k chars
+    if(text.length > 100000)
+    {
+      callback({stop: "text must be less than 100k chars"});
+      return;
+    }
+  }
+  
   var pad = globalPads[id];
   
   //return pad if its already loaded
@@ -45,7 +78,7 @@ exports.getPad = function(id, callback)
     pad = new Pad(id);
     
     //initalize the pad
-    pad.init(function(err)
+    pad.init(text, function(err)
     {
       if(err)
       {
@@ -58,6 +91,19 @@ exports.getPad = function(id, callback)
       }
     });
   }
-  
-  //globalPads[id].timestamp = new Date().getTime();
 }
+
+//checks if a pad exists
+exports.doesPadExists = function(padId, callback)
+{
+  db.get("pad:"+padId, function(err, value)
+  {
+    callback(err, value != null);  
+  });
+}
+
+exports.isValidPadId = function(padId)
+{
+  return /^([0-9]+\$)?[^$]{1,50}$/.test(padId);
+}
+