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Posted to commits@couchdb.apache.org by ja...@apache.org on 2013/09/25 13:30:57 UTC
[08/12] git commit: updated
refs/heads/1894-feature-experimental-nodejs-couchjs to ca5ecb8
add sandbox.js
Project: http://git-wip-us.apache.org/repos/asf/couchdb/repo
Commit: http://git-wip-us.apache.org/repos/asf/couchdb/commit/ac411706
Tree: http://git-wip-us.apache.org/repos/asf/couchdb/tree/ac411706
Diff: http://git-wip-us.apache.org/repos/asf/couchdb/diff/ac411706
Branch: refs/heads/1894-feature-experimental-nodejs-couchjs
Commit: ac411706720a370c945ac756248f399e0152ae99
Parents: 1db3bb6
Author: Jan Lehnardt <ja...@apache.org>
Authored: Sat Sep 21 16:28:47 2013 +0200
Committer: Jan Lehnardt <ja...@apache.org>
Committed: Sat Sep 21 16:28:47 2013 +0200
----------------------------------------------------------------------
NOTICE | 3 +++
license.skip | 1 +
src/couchjs-node/sandbox.js | 40 ++++++++++++++++++++++++++++++++++++++++
3 files changed, 44 insertions(+)
----------------------------------------------------------------------
http://git-wip-us.apache.org/repos/asf/couchdb/blob/ac411706/NOTICE
----------------------------------------------------------------------
diff --git a/NOTICE b/NOTICE
index 95d4ff6..5ee02d5 100644
--- a/NOTICE
+++ b/NOTICE
@@ -166,3 +166,6 @@ This product also includes the following third-party components:
Copyright (c) 2013 Dave Gandy
+ * sandbox.js https://github.com/KlausTrainer/sandbox.js
+
+ (c) 2013 Klaus Trainer
http://git-wip-us.apache.org/repos/asf/couchdb/blob/ac411706/license.skip
----------------------------------------------------------------------
diff --git a/license.skip b/license.skip
index ca5eb6c..5e2b667 100644
--- a/license.skip
+++ b/license.skip
@@ -98,6 +98,7 @@
^src/couchdb/priv/couchspawnkillable
^src/couchdb/priv/stat_descriptions.cfg
^src/couchjs-node/package.json
+^src/couchjs-node/sandbox.js
^src/couchjs-node/README.md
^src/erlang-oauth/.*
^src/couch_dbupdates
http://git-wip-us.apache.org/repos/asf/couchdb/blob/ac411706/src/couchjs-node/sandbox.js
----------------------------------------------------------------------
diff --git a/src/couchjs-node/sandbox.js b/src/couchjs-node/sandbox.js
new file mode 100644
index 0000000..cfdff18
--- /dev/null
+++ b/src/couchjs-node/sandbox.js
@@ -0,0 +1,40 @@
+// from https://github.com/KlausTrainer/sandbox.js
+exports.runInSandbox = function(src, ctx, whitelist) {
+ var vm = require('vm'),
+ sandbox;
+
+ if (ctx && ctx.require) {
+ whitelist = whitelist || [];
+ var insecureRequire = ctx.require,
+ module = require("module"),
+ oldModulePrototype = module.prototype;
+
+ var secureRequire = function(moduleName) {
+ if (whitelist.indexOf(moduleName) == -1) {
+ module.prototype = oldModulePrototype;
+ throw new Error("'" + moduleName + "' is not whitelisted");
+ } else {
+ var requiredModule = insecureRequire(moduleName);
+ module.prototype = oldModulePrototype;
+ return requiredModule;
+ }
+ };
+
+ module.prototype = {
+ require: secureRequire,
+ load: module.prototype.load,
+ _compile: module.prototype._compile
+ };
+
+ module._cache = {};
+
+ ctx.require = secureRequire;
+ sandbox = Object.freeze(vm.createContext(ctx));
+ ctx.require = insecureRequire;
+ } else {
+ sandbox = Object.freeze(vm.createContext(ctx || {}));
+ }
+
+ return vm.createScript('(function() {"use strict"; return ('
+ + src + ')()}())').runInContext(sandbox);
+};