Manage expired channels

customize.dist/translations/messages.fr.js

@@ -31,12 +31,15 @@ define(function () {
     out.wrongApp = "Impossible d'afficher le contenu de ce document temps-réel dans votre navigateur. Vous pouvez essayer de recharger la page.";
     out.padNotPinned = 'Ce pad va expirer dans 3 mois, {0}connectez-vous{1} ou {2}enregistrez-vous{3} pour le préserver.';
     out.anonymousStoreDisabled = "L'administrateur de cette instance de CryptPad a désactivé le drive pour les utilisateurs non enregistrés. Vous devez vous connecter pour pouvoir utiliser CryptDrive.";
+    out.expiredError = "Ce pad a atteint sa date d'expiration est n'est donc plus disponible.";
+    out.expiredErrorCopy = ' Vous pouvez toujours copier son contenu ailleurs en appuyant sur <em>Échap</em>.<br> Dés que vous aurez quitté la page, il sera impossible de le récupérer.';
 
     out.loading = "Chargement...";
     out.error = "Erreur";
     out.saved = "Enregistré";
     out.synced = "Tout est enregistré";
     out.deleted = "Pad supprimé de votre CryptDrive";
+    out.deletedFromServer = "Pad supprimé du serveur";
 
     out.realtime_unrecoverableError = "Le moteur temps-réel a rencontré une erreur critique. Cliquez sur OK pour recharger la page.";
 

customize.dist/translations/messages.js

@@ -32,12 +32,15 @@ define(function () {
     out.wrongApp = "Unable to display the content of that realtime session in your browser. Please try to reload that page.";
     out.padNotPinned = 'This pad will expire in 3 months, {0}login{1} or {2}register{3} to preserve it.';
     out.anonymousStoreDisabled = "The webmaster of this CryptPad instance has disabled the store for anonymous users. You have to log in to be able to use CryptDrive.";
+    out.expiredError = 'This pad has reached its expiration time and is no longer available.';
+    out.expiredErrorCopy = ' You can still copy the content to another location by pressing <em>Esc</em>.<br>Once you leave this page, it will disappear forever!';
 
     out.loading = "Loading...";
     out.error = "Error";
     out.saved = "Saved";
     out.synced = "Everything is saved";
     out.deleted = "Pad deleted from your CryptDrive";
+    out.deletedFromServer = "Pad deleted from the server";
 
     out.realtime_unrecoverableError = "The realtime engine has encountered an unrecoverable error. Click OK to reload.";
 

expire-channels.js

@@ -2,12 +2,21 @@ var Fs = require("fs");
 var Path = require("path");
 
 var nThen = require("nthen");
-var config = require("./config");
 
+var config;
+try {
+    config = require('./config');
+} catch (e) {
+    console.log("You can customize the configuration by copying config.example.js to config.js");
+    config = require('./config.example');
+}
+
+var FileStorage = require(config.storage || './storage/file');
 var root = Path.resolve(config.taskPath || './tasks');
 
 var dirs;
 var nt;
+var store;
 
 var queue = function (f) {
     nt = nt.nThen(f);
@@ -41,17 +50,17 @@ var handleTask = function (str, path, cb) {
         return cb();
     }
 
-    nThen(function () {
+    nThen(function (waitFor) {
         switch (command) {
             case 'EXPIRE':
                 console.log("expiring: %s", args[0]);
-                // TODO actually remove the file...
+                store.removeChannel(args[0], waitFor());
                 break;
             default:
                 console.log("unknown command", command);
         }
     }).nThen(function () {
-        // remove the file...
+        // remove the task file...
         Fs.unlink(path, function (err) {
             if (err) { console.error(err); }
             cb();
@@ -64,6 +73,10 @@ nt = nThen(function (w) {
         if (e) { throw e; }
         dirs = list;
     }));
+}).nThen(function (waitFor) {
+    FileStorage.create(config, waitFor(function (_store) {
+        store = _store;
+    }));
 }).nThen(function () {
     dirs.forEach(function (dir) {
         queue(function (w) {

www/common/common-interface.js

@@ -601,11 +601,20 @@ define([
         }, 3750);
         // jquery.fadeout can get stuck
     };
-    UI.errorLoadingScreen = function (error, transparent) {
+    UI.errorLoadingScreen = function (error, transparent, exitable) {
-        if (!$('#' + LOADING).is(':visible')) { UI.addLoadingScreen({hideTips: true}); }
+        if (!$('#' + LOADING).is(':visible') || $('#' + LOADING).hasClass('cp-loading-hidden')) {
+            UI.addLoadingScreen({hideTips: true});
+        }
         $('.cp-loading-spinner-container').hide();
+        $('#cp-loading-tip').remove();
         if (transparent) { $('#' + LOADING).css('opacity', 0.8); }
         $('#' + LOADING).find('p').html(error || Messages.error);
+        if (exitable) {
+            $(window).focus();
+            $(window).keydown(function (e) {
+                if (e.which === 27) { $('#' + LOADING).hide(); }
+            });
+        }
     };
 
     var $defaultIcon = $('<span>', {"class": "fa fa-file-text-o"});

www/common/cryptpad-common.js

@@ -538,6 +538,7 @@ define([
     pad.onJoinEvent = Util.mkEvent();
     pad.onLeaveEvent = Util.mkEvent();
     pad.onDisconnectEvent = Util.mkEvent();
+    pad.onErrorEvent = Util.mkEvent();
 
     common.getFullHistory = function (data, cb) {
         postMessage("GET_FULL_HISTORY", data, cb);
@@ -679,6 +680,9 @@ define([
             case 'PAD_DISCONNECT': {
                 common.padRpc.onDisconnectEvent.fire(data); break;
             }
+            case 'PAD_ERROR': {
+                common.padRpc.onErrorEvent.fire(data); break;
+            }
             // Drive
             case 'DRIVE_LOG': {
                 common.drive.onLog.fire(data); break;

www/common/metadata-manager.js

@@ -115,6 +115,12 @@ define(['json.sortify'], function (Sortify) {
             if (!meta.user) { return; }
             change(true);
         });
+        sframeChan.on('EV_RT_ERROR', function (err) {
+            if (err.type !== 'EEXPIRED' && err.type !== 'EDELETED') { return; }
+            members = [];
+            if (!meta.user) { return; }
+            change(true);
+        });
 
         return Object.freeze({
             updateMetadata: function (m) {

www/common/outer/async-store.js

@@ -815,6 +815,9 @@ define([
             onDisconnect: function () {
                 postMessage("PAD_DISCONNECT");
             }, // post EV_PAD_DISCONNECT
+            onError: function (err) {
+                postMessage("PAD_ERROR", err);
+            }, // post EV_PAD_ERROR
             channel: data.channel,
             validateKey: data.validateKey,
             owners: data.owners,

www/common/outer/chainpad-netflux-worker.js

@@ -33,6 +33,7 @@ define([], function () {
         var onLeave = conf.onLeave;
         var onReady = conf.onReady;
         var onDisconnect = conf.onDisconnect;
+        var onError = conf.onError;
         var owners = conf.owners;
         var password = conf.password;
         var expire = conf.expire;
@@ -44,6 +45,17 @@ define([], function () {
 
         var messageFromOuter = function () {};
 
+        var error = function (err, wc) {
+            if (onError) {
+                onError({
+                    type: err,
+                    loaded: !initializing
+                });
+                if (wc && (err === "EEXPIRED" || err === "EDELETED")) { wc.leave(); }
+            }
+            else { console.error(err); }
+        };
+
         var onRdy = function (padData) {
             // Trigger onReady only if not ready yet. This is important because the history keeper sends a direct
             // message through "network" when it is synced, and it triggers onReady for each channel joined.
@@ -96,11 +108,17 @@ define([], function () {
             if (peer === hk) {
                 // if the peer is the 'history keeper', extract their message
                 var parsed1 = JSON.parse(msg);
+                // First check if it is an error message (EXPIRED/DELETED)
+                if (parsed1.channel === wc.id && parsed1.error) {
+                    return void error(parsed1.error, wc);
+                }
+
                 msg = parsed1[4];
                 // Check that this is a message for our channel
                 if (parsed1[3] !== wc.id) { return; }
             }
 
+
             lastKnownHash = msg.slice(0,64);
             var message = msgIn(peer, msg);
 
@@ -177,7 +195,12 @@ define([], function () {
                 };
                 var msg = ['GET_HISTORY', wc.id, cfg];
                 // Add the validateKey if we are the channel creator and we have a validateKey
-                if (hk) { network.sendto(hk, JSON.stringify(msg)); }
+                if (hk) {
+                    network.sendto(hk, JSON.stringify(msg)).then(function () {
+                    }, function (err) {
+                        console.error(err);
+                    });
+                }
             } else {
                 onRdy();
             }
@@ -204,8 +227,8 @@ define([], function () {
             // join the netflux network, promise to handle opening of the channel
             network.join(channel || null).then(function(wc) {
                 onOpen(wc, network, firstConnection);
-            }, function(error) {
+            }, function(err) {
-                console.error(error);
+                console.error(err);
             });
         };
 

www/common/sframe-app-framework.js

@@ -43,6 +43,7 @@ define([
     var STATE = Object.freeze({
         DISCONNECTED: 'DISCONNECTED',
         FORGOTTEN: 'FORGOTTEN',
+        DELETED: 'DELETED',
         INFINITE_SPINNER: 'INFINITE_SPINNER',
         INITIALIZING: 'INITIALIZING',
         HISTORY_MODE: 'HISTORY_MODE',
@@ -119,8 +120,9 @@ define([
 
         var stateChange = function (newState) {
             var wasEditable = (state === STATE.READY);
+            if (state === STATE.DELETED) { return; }
             if (state === STATE.INFINITE_SPINNER && newState !== STATE.READY) { return; }
-            if (newState === STATE.INFINITE_SPINNER) {
+            if (newState === STATE.INFINITE_SPINNER || newState === STATE.DELETED) {
                 state = newState;
             } else if (state === STATE.DISCONNECTED && newState !== STATE.INITIALIZING) {
                 throw new Error("Cannot transition from DISCONNECTED to " + newState);
@@ -149,6 +151,10 @@ define([
                     evStart.reg(function () { toolbar.forgotten(); });
                     break;
                 }
+                case STATE.DELETED: {
+                    evStart.reg(function () { toolbar.deleted(); });
+                    break;
+                }
                 default:
             }
             if (wasEditable !== (state === STATE.READY)) {
@@ -257,6 +263,7 @@ define([
 
         var onReady = function () {
             var newContentStr = cpNfInner.chainpad.getUserDoc();
+            if (state === STATE.DELETED) { return; }
 
             var newPad = false;
             if (newContentStr === '') { newPad = true; }
@@ -316,6 +323,7 @@ define([
             }
         };
         var onConnectionChange = function (info) {
+            if (state === STATE.DELETED) { return; }
             stateChange(info.state ? STATE.INITIALIZING : STATE.DISCONNECTED);
             if (info.state) {
                 UI.findOKButton().click();
@@ -324,6 +332,18 @@ define([
             }
         };
 
+        var onError = function (err) {
+            stateChange(STATE.DELETED);
+            var msg = err.type;
+            if (err.type === 'EEXPIRED') {
+                msg = Messages.expiredError;
+                if (err.loaded) {
+                    msg += Messages.expiredErrorCopy;
+                }
+            }
+            UI.errorLoadingScreen(msg, true, true);
+        };
+
         var setFileExporter = function (extension, fe, async) {
             var $export = common.createButton('export', true, {}, function () {
                 var ext = (typeof(extension) === 'function') ? extension() : extension;
@@ -441,7 +461,8 @@ define([
                 onLocal: onLocal,
                 onInit: function () { stateChange(STATE.INITIALIZING); },
                 onReady: function () { evStart.reg(onReady); },
-                onConnectionChange: onConnectionChange
+                onConnectionChange: onConnectionChange,
+                onError: onError
             });
 
             var privReady = Util.once(waitFor());
@@ -457,6 +478,7 @@ define([
             var infiniteSpinnerModal = false;
             window.setInterval(function () {
                 if (state === STATE.DISCONNECTED) { return; }
+                if (state === STATE.DELETED) { return; }
                 var l;
                 try {
                     l = cpNfInner.chainpad.getLag();

www/common/sframe-chainpad-netflux-inner.js

@@ -34,6 +34,7 @@ define([
         var onLocal = config.onLocal || function () { };
         var setMyID = config.setMyID || function () { };
         var onReady = config.onReady || function () { };
+        var onError = config.onError || function () { };
         var userName = config.userName;
         var initialState = config.initialState;
         if (config.transformFunction) { throw new Error("transformFunction is nolonger allowed"); }
@@ -83,6 +84,11 @@ define([
             chainpad.abort();
             onConnectionChange({ state: false });
         });
+        sframeChan.on('EV_RT_ERROR', function (err) {
+            isReady = false;
+            chainpad.abort();
+            onError(err);
+        });
         sframeChan.on('EV_RT_CONNECT', function (content) {
             //content.members.forEach(userList.onJoin);
             isReady = false;

www/common/sframe-chainpad-netflux-outer.js

@@ -102,6 +102,10 @@ define([], function () {
             sframeChan.event('EV_RT_DISCONNECT');
         });
 
+        padRpc.onErrorEvent.reg(function (err) {
+            sframeChan.event('EV_RT_ERROR', err);
+        });
+
         // join the netflux network, promise to handle opening of the channel
         padRpc.joinPad({
             channel: channel || null,

www/common/sframe-protocol.js

@@ -31,6 +31,8 @@ define({
     'EV_RT_CONNECT': true,
     // Called after the history is finished synchronizing, no arguments.
     'EV_RT_READY': true,
+    // Called when the server returns an error in a pad (EEXPIRED, EDELETED).
+    'EV_RT_ERROR': true,
     // Called from both outside and inside, argument is a (string) chainpad message.
     'Q_RT_MESSAGE': true,
 

www/common/toolbar3.js

@@ -709,6 +709,7 @@ define([
             typing = 1;
             $spin.text(Messages.typing);
             $spin.interval = window.setInterval(function () {
+                if (toolbar.isErrorState) { return; }
                 var dots = Array(typing+1).join('.');
                 $spin.text(Messages.typing + dots);
                 typing++;
@@ -718,6 +719,7 @@ define([
         var onSynced = function () {
             if ($spin.timeout) { clearTimeout($spin.timeout); }
             $spin.timeout = setTimeout(function () {
+                if (toolbar.isErrorState) { return; }
                 window.clearInterval($spin.interval);
                 typing = -1;
                 $spin.text(Messages.saved);
@@ -1094,6 +1096,15 @@ define([
             }
         };
 
+        // When the pad is deleted from the server
+        toolbar.deleted = function (/*userId*/) {
+            toolbar.isErrorState = true;
+            toolbar.connected = false;
+            if (toolbar.spinner) {
+                toolbar.spinner.text(Messages.deletedFromServer);
+            }
+        };
+
         // On log out, remove permanently the realtime elements of the toolbar
         Common.onLogout(function () {
             failed();