Merge pull request #2210 from Gared/pad-repair-script

Add a script to reinsert all db values of a pad

bin/repairPad.js

@@ -0,0 +1,106 @@
+/*
+  This is a repair tool. It extracts all datas of a pad, removes and inserts them again.
+*/
+
+console.warn("WARNING: This script must not be used while etherpad is running!");
+
+if(process.argv.length != 3)
+{
+  console.error("Use: node bin/repairPad.js $PADID");
+  process.exit(1);
+}
+//get the padID
+var padId = process.argv[2];
+
+var db, padManager, pad, settings;
+var neededDBValues = ["pad:"+padId];
+
+var npm = require("../src/node_modules/npm");
+var async = require("../src/node_modules/async");
+
+async.series([
+  // load npm
+  function(callback) {
+    npm.load({}, function(er) {
+      if(er)
+      {
+        console.error("Could not load NPM: " + er)
+        process.exit(1);
+      }
+      else
+      {
+        callback();
+      }
+    })
+  },
+  // load modules
+  function(callback) {
+    settings = require('../src/node/utils/Settings');
+    db = require('../src/node/db/DB');
+    callback();
+  },
+  //intallize the database
+  function (callback)
+  {
+    db.init(callback);
+  },
+  //get the pad 
+  function (callback)
+  {
+    padManager = require('../src/node/db/PadManager');
+    
+    padManager.getPad(padId, function(err, _pad)  
+    {
+      pad = _pad;
+      callback(err);
+    });
+  },
+  function (callback)
+  {
+    //add all authors
+    var authors = pad.getAllAuthors();
+    for(var i=0;i<authors.length;i++)
+    {
+      neededDBValues.push("globalAuthor:" + authors[i]);
+    }
+    
+    //add all revisions
+    var revHead = pad.head;
+    for(var i=0;i<=revHead;i++)
+    {
+      neededDBValues.push("pad:"+padId+":revs:" + i);
+    }
+    
+    //get all chat values
+    var chatHead = pad.chatHead;
+    for(var i=0;i<=chatHead;i++)
+    {
+      neededDBValues.push("pad:"+padId+":chat:" + i);
+    }
+    callback();
+  },
+  function (callback) {
+    db = db.db;
+    neededDBValues.forEach(function(key, value) {
+      console.debug("Key: "+key+", value: "+value);
+      db.remove(key);
+      db.set(key, value);
+    });
+    callback();
+  }
+], function (err)
+{
+  if(err) throw err;
+  else 
+  { 
+    console.info("finished");
+    process.exit();
+  }
+});
+
+//get the pad object
+//get all revisions of this pad
+//get all authors related to this pad
+//get the readonly link releated to this pad
+//get the chat entrys releated to this pad
+//remove all keys from database and insert them again