lambda-policy.ipynb

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   "cell_type": "code",
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   "source": [
    "!pip3 install --upgrade pip\n",
    "!pip3 install boto3\n",
    "!pip3 install pyyaml"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {
    "collapsed": false
   },
   "outputs": [],
   "source": [
    "import boto3\n",
    "import json\n",
    "session = boto3.session.Session()"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {
    "collapsed": false
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   "outputs": [],
   "source": [
    "print session"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {
    "collapsed": true
   },
   "outputs": [],
   "source": [
    "awslambda = session.client('lambda')"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {
    "collapsed": false
   },
   "outputs": [],
   "source": [
    "print awslambda"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {
    "collapsed": false
   },
   "outputs": [],
   "source": [
    "policy = awslambda.get_policy(FunctionName='CCT-Preprod')"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {
    "collapsed": false
   },
   "outputs": [],
   "source": [
    "print policy"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {
    "collapsed": false
   },
   "outputs": [],
   "source": [
    "service = ['alexa-appkit.amazon.com','apigateway.amazonaws.com']\n",
    "\n",
    "#print len(policy)\n",
    "\n",
    "for key,value in policy.iteritems():\n",
    "    #print key\n",
    "    #print value\n",
    "    \n",
    "    if key == \"Policy\":\n",
    "        jsonPolicy = json.loads(value)\n",
    "        #print jsonPolicy\n",
    "        \n",
    "        if jsonPolicy['Statement']:\n",
    "            for statement in jsonPolicy['Statement']:\n",
    "                #print statement\n",
    "                if statement['Principal']['Service']:\n",
    "                    for servs in service:\n",
    "                        if servs in statement['Principal']['Service']:\n",
    "                            print \"Found \" + statement['Principal']['Service']\n",
    "                            print \"Sid \" + statement['Sid']\n",
    "    "
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {
    "collapsed": true
   },
   "outputs": [],
   "source": []
  }
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