Added joi plugin validation

graph/context.js

@@ -3,6 +3,7 @@ const mutators = require('./mutators');
 
 const plugins = require('../services/plugins');
 const debug = require('debug')('talk:graph:context');
+const Joi = require('joi');
 
 /**
  * Contains the array of plugins that provide context to the server, these top
@@ -10,6 +11,8 @@ const debug = require('debug')('talk:graph:context');
  * @type {Array}
  */
 const contextPlugins = plugins.get('server', 'context').map(({plugin, context}) => {
+  Joi.assert(context, Joi.object().pattern(/\w/, Joi.func().maxArity(1)), `Plugin '${plugin.name}' had an error loading the context`);
+
   debug(`added plugin '${plugin.name}'`);
   return {context};
 });

graph/hooks.js

@@ -1,5 +1,6 @@
 const {forEachField} = require('graphql-tools');
 const debug = require('debug')('talk:graph:schema');
+const Joi = require('joi');
 
 /**
  * XXX taken from graphql-js: src/execution/execute.js, because that function
@@ -46,6 +47,10 @@ const decorateWithHooks = (schema, hooks) => forEachField(schema, (field, typeNa
     // Combine the pre/post hooks from each plugin into an array we can
     // execute.
     .reduce((acc, {plugin, hooks}) => {
+      Joi.assert(hooks, Joi.object({
+        pre: Joi.func(),
+        post: Joi.func()
+      }), `Plugin '${plugin.name}' had an error loading the hooks`);
 
       // Itterate over the hooks on the fields and look at it with a switch
       // block to check for misconfigured plugins.

graph/loaders/index.js

@@ -1,4 +1,5 @@
 const _ = require('lodash');
+const Joi = require('joi');
 const debug = require('debug')('talk:graph:loaders');
 
 const Actions = require('./actions');
@@ -23,6 +24,8 @@ let loaders = [
   // Load the plugin loaders from the manager.
   ...plugins
     .get('server', 'loaders').map(({plugin, loaders}) => {
+      Joi.assert(loaders, Joi.object().pattern(/\w/, Joi.object().pattern(/\w/, Joi.func())), `Plugin '${plugin.name}' had an error loading the loaders`);
+
       debug(`added plugin '${plugin.name}'`);
 
       return loaders;

graph/mutators/index.js

@@ -1,4 +1,5 @@
 const _ = require('lodash');
+const Joi = require('joi');
 const debug = require('debug')('talk:graph:mutators');
 
 const Comment = require('./comment');
@@ -17,6 +18,8 @@ let mutators = [
   // Load the plugin mutators from the manager.
   ...plugins
     .get('server', 'mutators').map(({plugin, mutators}) => {
+      Joi.assert(mutators, Joi.object().pattern(/\w/, Joi.object().pattern(/\w/, Joi.func())), `Plugin '${plugin.name}' had an error loading the mutators`);
+
       debug(`added plugin '${plugin.name}'`);
 
       return mutators;

graph/resolvers/index.js

@@ -1,4 +1,5 @@
 const _ = require('lodash');
+const Joi = require('joi');
 const debug = require('debug')('talk:graph:resolvers');
 
 const ActionSummary = require('./action_summary');
@@ -50,6 +51,8 @@ let resolvers = {
  * as provide new ones.
  */
 resolvers = plugins.get('server', 'resolvers').reduce((acc, {plugin, resolvers}) => {
+  Joi.assert(resolvers, Joi.object().pattern(/\w/, Joi.object().pattern(/\w/, Joi.func())), `Plugin '${plugin.name}' had an error loading the resolvers`);
+
   debug(`added plugin '${plugin.name}'`);
 
   return _.merge(acc, resolvers);

graph/typeDefs.js

@@ -3,6 +3,7 @@
 // this change is done now everything will likely break on the front end.
 
 const fs = require('fs');
+const Joi = require('joi');
 const path = require('path');
 const {mergeStrings} = require('gql-merge');
 const debug = require('debug')('talk:graph:typeDefs');
@@ -20,6 +21,8 @@ const typeDefs = mergeStrings([
 
   // Load the plugin definitions from the manager.
   ...plugins.get('server', 'typeDefs').map(({plugin, typeDefs}) => {
+    Joi.assert(typeDefs, Joi.string(), `Plugin '${plugin.name}' had an error loading the typeDefs`);
+
     debug(`added plugin '${plugin.name}'`);
 
     return typeDefs;