chore: Export 2FA flow to separate file

examples/2FA flow.json

@@ -0,0 +1 @@
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// in seconds\nvar httpBasicAuthUsername = \"admin\";\nvar httpBasicAuthPassword = \"admin\";\n\n\n// ^^^^^^^\n// TO HERE\n\n// set environment variables\nmsg.env = msg.env || {};\nmsg.env.fromNumber = fromNumber;\nmsg.env.tokenLength = tokenLength;\nmsg.env.tokenLifetime = tokenLifetime;\n\n// authorization header value\nvar authorizationHeaderValue = \"Basic \" + Buffer.from(httpBasicAuthUsername + \":\" + httpBasicAuthPassword).toString('base64');\nmsg.env.authorizationHeaderValue = authorizationHeaderValue;\n\nreturn msg;\n","outputs":1,"noerr":0,"x":200,"y":80,"wires":[[]]},{"id":"a7dc6ee3.1b8ce","type":"tab","label":"2FA","disabled":false,"info":""},{"id":"ed27613c.168c4","type":"http in","z":"a7dc6ee3.1b8ce","name":"","url":"/2fa/:number","method":"post","upload":false,"swaggerDoc":"","x":110,"y":180,"wires":[["6942db0c.af7ee4"]]},{"id":"35b540a.41261c","type":"mongodb3 in","z":"a7dc6ee3.1b8ce","service":"_ext_","configNode":"f465d170.f70758","name":"store number","collection":"tokens","operation":"insertOne","x":1050,"y":220,"wires":[["dceffda6.81c9e"]]},{"id":"7a63b83b.20c0c8","type":"http response","z":"a7dc6ee3.1b8ce","name":"","statusCode":"200","headers":{},"x":1640,"y":140,"wires":[]},{"id":"df83e441.e659b8","type":"http in","z":"a7dc6ee3.1b8ce","name":"","url":"/2fa/:number/verify/:token","method":"post","upload":false,"swaggerDoc":"","x":150,"y":480,"wires":[["c21bd8db.697568"]]},{"id":"aa8dfb9c.3fdd08","type":"mongodb3 in","z":"a7dc6ee3.1b8ce","service":"_ext_","configNode":"f465d170.f70758","name":"mark as confirmed","collection":"tokens","operation":"findOneAndUpdate","x":1090,"y":440,"wires":[["5c421358.2e124c"]]},{"id":"a64af8ad.2f6f88","type":"http response","z":"a7dc6ee3.1b8ce","name":"","statusCode":"404","headers":{},"x":1140,"y":520,"wires":[]},{"id":"d7832b93.c7fd28","type":"http response","z":"a7dc6ee3.1b8ce","name":"","statusCode":"200","headers":{},"x":1460,"y":440,"wires":[]},{"id":"6c297bf5.7d9ce4","type":"function","z":"a7dc6ee3.1b8ce","name":"","func":"var filter = msg.payload._id;\nmsg.payload = [{ _id: filter }, { $set: { confirmedAt: new Date() } }];\nreturn msg;","outputs":1,"noerr":0,"x":930,"y":440,"wires":[["aa8dfb9c.3fdd08"]]},{"id":"77e62b1e.19c904","type":"comment","z":"a7dc6ee3.1b8ce","name":"Setup instructions","info":"### Twilio configuration\n\nClick `start-call` or `send-sms` node and configure Twilio account.\n\n### 2FA configuration\n\nClick any `config` node twice and a new window should appear. Click `Edit subflow template` button in the left top corner of the window and another window should appear. You should see `SET ENV VARS!` function node. Click it twice and set environment variables inside.\n\n### MongoDB database (default)\n\nMongoDB database is provided out-of-the-box as mLab MongoDB add-on on Heroku (https://elements.heroku.com/addons/mongolab).\n\nThere is no configuration needed unless you would like to change something.\n\nYou can browse MongoDB collections from your Heroku account via browser or by connecting to the database.\n","x":110,"y":60,"wires":[]},{"id":"1fd49d4c.e30383","type":"function","z":"a7dc6ee3.1b8ce","name":"get token","func":"msg.req.params.token = msg.payload.token;\nreturn msg;","outputs":1,"noerr":0,"x":880,"y":140,"wires":[["dceffda6.81c9e"]]},{"id":"f712c3b6.219fd","type":"function","z":"a7dc6ee3.1b8ce","name":"create token","func":"var tokenLength = msg.env.tokenLength;\nvar multiplier = 10 ** tokenLength;\nvar offset = 0.1 * multiplier;\nvar range = 0.9 * multiplier;\nmsg.payload = {};\nmsg.payload.number = msg.req.params.number.replace(/\\+/g,'');\nmsg.payload.token = Math.floor(offset + Math.random() * range).toString();\nmsg.payload.createdAt = new Date();\nmsg.req.params.token = msg.payload.token;\nreturn msg;\n","outputs":1,"noerr":0,"x":890,"y":220,"wires":[["35b540a.41261c"]]},{"id":"9a9a5486.7fccb8","type":"function","z":"a7dc6ee3.1b8ce","name":"prepare response","func":"msg.payload = \"\"\nmsg.headers = {}\nreturn msg;","outputs":1,"noerr":0,"x":1450,"y":140,"wires":[["7a63b83b.20c0c8"]]},{"id":"5c421358.2e124c","type":"function","z":"a7dc6ee3.1b8ce","name":"prepare response","func":"msg.payload = \"\"\nmsg.headers = {}\nreturn msg;","outputs":1,"noerr":0,"x":1290,"y":440,"wires":[["d7832b93.c7fd28"]]},{"id":"a1736919.c81128","type":"function","z":"a7dc6ee3.1b8ce","name":"prepare response","func":"msg.payload = \"\"\nmsg.headers = {}\nreturn msg;","outputs":1,"noerr":0,"x":970,"y":520,"wires":[["a64af8ad.2f6f88"]]},{"id":"354b80d3.c6694","type":"http 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msg;","outputs":1,"noerr":0,"x":2180,"y":200,"wires":[["9e0acfb0.d3281"]]},{"id":"9e0acfb0.d3281","type":"link out","z":"a7dc6ee3.1b8ce","name":"","links":["3786b319.1476fc"],"x":2275,"y":200,"wires":[]},{"id":"3786b319.1476fc","type":"link 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= msg.payload.To.substr(1);\nreturn msg;\n","outputs":1,"noerr":0,"x":1550,"y":80,"wires":[["3ee6cf20.c3d6e"]]},{"id":"c846b949.24c028","type":"start-call","z":"a7dc6ee3.1b8ce","name":"","account":"3fc3754f.17a8ba","from":"env.fromNumber","fromType":"msg","to":"req.params.number","toType":"msg","x":1420,"y":80,"wires":[["31e0d68e.ab470a"]]},{"id":"6abafcd1.77ff94","type":"send-sms","z":"a7dc6ee3.1b8ce","name":"","account":"3fc3754f.17a8ba","text":"Your authentication token: {{req.params.token}}","from":"env.fromNumber","fromType":"msg","to":"req.params.number","toType":"msg","x":1420,"y":200,"wires":[["a16114fc.5a4cf8"]]},{"id":"f465d170.f70758","type":"mongodb3","z":null,"uri":"${MONGODB_URI}","name":"","options":"","parallelism":"-1"},{"id":"613d6470.8a004c","type":"tts","z":"","name":"2FA token","text":"Your authentication token is: {{payload.token}}.","language":"en-US","voice":"alice"},{"id":"d50ce25c.2be51","type":"tts","z":"","name":"2FA token not found","text":"Token for your number was not found.","language":"en-US","voice":"alice"},{"id":"3fc3754f.17a8ba","type":"account","z":"","name":"twilio"}]