Merge branch 'limit' into staging

config.example.js

@@ -116,6 +116,12 @@ module.exports = {
         'contact',
     ],
 
+    /*  Domain
+     *  If you want to have enable payments on your CryptPad instance, it has to be able to tell
+     *  our account server what is your domain
+     */
+    // domain: 'https://cryptpad.fr',
+
     /*
         You have the option of specifying an alternative storage adaptor.
         These status of these alternatives are specified in their READMEs,

rpc.js

@@ -7,11 +7,14 @@ var Nacl = require("tweetnacl");
 
 var Fs = require("fs");
 var Path = require("path");
+var Https = require("https");
 
 var RPC = module.exports;
 
 var Store = require("./storage/file");
 
+var DEFAULT_LIMIT = 100;
+
 var isValidChannel = function (chan) {
     return /^[a-fA-F0-9]/.test(chan) ||
         [32, 48].indexOf(chan.length) !== -1;
@@ -454,8 +457,61 @@ var isPrivilegedUser = function (publicKey, cb) {
     });
 };
 
-var getLimit = function (cb) {
-    cb = cb; // TODO
+// The limits object contains storage limits for all the publicKey that have paid
+// To each key is associated an object containing the 'limit' value and a 'note' explaining that limit
+var limits = {};
+var updateLimits = function (config, publicKey, cb) {
+    if (typeof cb !== "function") { cb = function () {}; }
+
+    var body = JSON.stringify({
+        domain: config.domain,
+        subdomain: config.subdomain
+    });
+    var options = {
+        host: 'accounts.cryptpad.fr',
+        path: '/api/getauthorized',
+        method: 'POST',
+        headers: {
+            "Content-Type": "application/json",
+            "Content-Length": Buffer.byteLength(body)
+        }
+    };
+    var req = Https.request(options, function (response) {
+        if (!('' + req.statusCode).match(/^2\d\d$/)) {
+            return void cb('SERVER ERROR ' + req.statusCode);
+        }
+        var str = '';
+
+        response.on('data', function (chunk) {
+            str += chunk;
+        });
+
+        response.on('end', function () {
+            try {
+                var json = JSON.parse(str);
+                limits = json;
+                var l;
+                if (publicKey) {
+                    var limit = limits[publicKey];
+                    l = limit && typeof limit.limit === "number" ? limit.limit : DEFAULT_LIMIT;
+                }
+                cb(void 0, l);
+            } catch (e) {
+                cb(e);
+            }
+        });
+    });
+
+    req.on('error', function (e) {
+        if (!config.domain) { return cb(); }
+        cb(e);
+    });
+
+    req.end(body);
+};
+var getLimit = function (publicKey, cb) {
+    var limit = limits[publicKey];
+    return limit && typeof limit.limit === "number" ? limit.limit : DEFAULT_LIMIT;
 };
 
 var safeMkdir = function (path, cb) {
@@ -714,10 +770,16 @@ RPC.create = function (config /*:typeof(ConfigType)*/, cb /*:(?Error, ?Function)
                 });
             case 'GET_FILE_SIZE':
                 return void getFileSize(ctx.store, msg[1], Respond);
-            case 'GET_LIMIT': // TODO implement this and cache it per-user
-                return void getLimit(function (e, limit) {
+            case 'UPDATE_LIMITS':
+                return void updateLimits(config, safeKey, function (e, limit) {
+                    if (e) { return void Respond(e); }
+                    Respond(void 0, limit);
+                });
+            case 'GET_LIMIT':
+                return void getLimit(safeKey, function (e, limit) {
+                    if (e) { return void Respond(e); }
                     limit = limit;
-                    Respond('NOT_IMPLEMENTED');
+                    Respond(void 0, limit);
                 });
             case 'GET_MULTIPLE_FILE_SIZE':
                 return void getMultipleFileSize(ctx.store, msg[1], function (e, dict) {
@@ -775,6 +837,14 @@ RPC.create = function (config /*:typeof(ConfigType)*/, cb /*:(?Error, ?Function)
         handleMessage(session.privilege);
     };
 
+    var updateLimitDaily = function () {
+        updateLimits(config, undefined, function (e) {
+            if (e) { console.error('Error updating the storage limits', e); }
+        });
+    };
+    updateLimitDaily();
+    setInterval(updateLimitDaily, 24*3600*1000);
+
     Store.create({
         filePath: pinPath,
     }, function (s) {

www/common/cryptpad-common.js

@@ -744,8 +744,15 @@ define([
         });
     };
 
+    common.updatePinLimit = function (cb) {
+        if (!pinsReady()) { return void cb('[RPC_NOT_READY]'); }
+        rpc.getFileListSize(cb);
+    };
+
     common.getPinLimit = function (cb) {
-        cb(void 0, typeof(AppConfig.pinLimit) === 'number'? AppConfig.pinLimit: 1000);
+        if (!pinsReady()) { return void cb('[RPC_NOT_READY]'); }
+        rpc.getFileListSize(cb);
+        //cb(void 0, typeof(AppConfig.pinLimit) === 'number'? AppConfig.pinLimit: 1000);
     };
 
     common.isOverPinLimit = function (cb) {

www/common/pinpad.js

@@ -121,6 +121,29 @@ define([
                 });
             };
 
+            // Update the limit value for all the users and return the limit for your publicKey
+            exp.updatePinLimits = function (cb) {
+                rpc.send('UPDATE_LIMITS', undefined, function (e, response) {
+                    if (e) { return void cb(e); }
+                    if (response && typeof response === "number") {
+                        cb (void 0, response);
+                    } else {
+                        cb('INVALID_RESPONSE');
+                    }
+                });
+            };
+            // Get the storage limit associated with your publicKey
+            exp.getLimit = function (cb) {
+                rpc.send('GET_LIMIT', undefined, function (e, response) {
+                    if (e) { return void cb(e); }
+                    if (response && typeof response === "number") {
+                        cb (void 0, response);
+                    } else {
+                        cb('INVALID_RESPONSE');
+                    }
+                });
+            };
+
             cb(e, exp);
         });
     };