Decoded JWT token

package-lock.json

@@ -731,11 +731,27 @@
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       "dev": true
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+    "@types/bn.js": {
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+      "resolved": "https://registry.npmjs.org/@types/bn.js/-/bn.js-4.11.6.tgz",
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+    "@types/elliptic": {
+      "version": "6.4.12",
+      "resolved": "https://registry.npmjs.org/@types/elliptic/-/elliptic-6.4.12.tgz",
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+      "requires": {
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@@ -1158,6 +1174,17 @@
         "safer-buffer": "~2.1.0"
       }
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+    "asn1.js": {
+      "version": "5.3.0",
+      "resolved": "https://registry.npmjs.org/asn1.js/-/asn1.js-5.3.0.tgz",
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+      "requires": {
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+        "inherits": "^2.0.1",
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@@ -1870,6 +1897,11 @@
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+    "buffer-equal-constant-time": {
+      "version": "1.0.1",
+      "resolved": "https://registry.npmjs.org/buffer-equal-constant-time/-/buffer-equal-constant-time-1.0.1.tgz",
+      "integrity": "sha1-+OcRMvf/5uAaXJaXpMbz5I1cyBk="
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@@ -3241,6 +3273,14 @@
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       }
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+    "ecdsa-sig-formatter": {
+      "version": "1.0.11",
+      "resolved": "https://registry.npmjs.org/ecdsa-sig-formatter/-/ecdsa-sig-formatter-1.0.11.tgz",
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@@ -6270,6 +6310,30 @@
       "integrity": "sha1-P02uSpH6wxX3EGL4UhzCOfE2YoA=",
       "dev": true
     },
+    "jsonwebtoken": {
+      "version": "8.5.1",
+      "resolved": "https://registry.npmjs.org/jsonwebtoken/-/jsonwebtoken-8.5.1.tgz",
+      "integrity": "sha512-XjwVfRS6jTMsqYs0EsuJ4LGxXV14zQybNd4L2r0UvbVnSF9Af8x7p5MzbJ90Ioz/9TI41/hTCvznF/loiSzn8w==",
+      "requires": {
+        "jws": "^3.2.2",
+        "lodash.includes": "^4.3.0",
+        "lodash.isboolean": "^3.0.3",
+        "lodash.isinteger": "^4.0.4",
+        "lodash.isnumber": "^3.0.3",
+        "lodash.isplainobject": "^4.0.6",
+        "lodash.isstring": "^4.0.1",
+        "lodash.once": "^4.0.0",
+        "ms": "^2.1.1",
+        "semver": "^5.6.0"
+      },
+      "dependencies": {
+        "semver": {
+          "version": "5.7.1",
+          "resolved": "https://registry.npmjs.org/semver/-/semver-5.7.1.tgz",
+          "integrity": "sha512-sauaDf/PZdVgrLTNYHRtpXa1iRiKcaebiKQ1BJdpQlWH2lCvexQdX55snPFyK7QzpudqbCI0qXFfOasHdyNDGQ=="
+        }
+      }
+    },
     "jsprim": {
       "version": "1.4.1",
       "resolved": "https://registry.npmjs.org/jsprim/-/jsprim-1.4.1.tgz",
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       "dev": true
     },
+    "jwa": {
+      "version": "1.4.1",
+      "resolved": "https://registry.npmjs.org/jwa/-/jwa-1.4.1.tgz",
+      "integrity": "sha512-qiLX/xhEEFKUAJ6FiBMbes3w9ATzyk5W7Hvzpa/SLYdxNtng+gcurvrI7TbACjIXlsJyr05/S1oUhZrc63evQA==",
+      "requires": {
+        "buffer-equal-constant-time": "1.0.1",
+        "ecdsa-sig-formatter": "1.0.11",
+        "safe-buffer": "^5.0.1"
+      }
+    },
+    "jws": {
+      "version": "3.2.2",
+      "resolved": "https://registry.npmjs.org/jws/-/jws-3.2.2.tgz",
+      "integrity": "sha512-YHlZCB6lMTllWDtSPHz/ZXTsi8S00usEV6v1tjq8tOUZzw7DpSDWVXjXDre6ed1w/pd495ODpHZYSdkRTsa0HA==",
+      "requires": {
+        "jwa": "^1.4.1",
+        "safe-buffer": "^5.0.1"
+      }
+    },
     "keccak": {
       "version": "1.4.0",
       "resolved": "https://registry.npmjs.org/keccak/-/keccak-1.4.0.tgz",
@@ -6308,6 +6391,17 @@
         "safe-buffer": "^5.1.0"
       }
     },
+    "key-encoder": {
+      "version": "2.0.3",
+      "resolved": "https://registry.npmjs.org/key-encoder/-/key-encoder-2.0.3.tgz",
+      "integrity": "sha512-fgBtpAGIr/Fy5/+ZLQZIPPhsZEcbSlYu/Wu96tNDFNSjSACw5lEIOFeaVdQ/iwrb8oxjlWi6wmWdH76hV6GZjg==",
+      "requires": {
+        "@types/elliptic": "^6.4.9",
+        "asn1.js": "^5.0.1",
+        "bn.js": "^4.11.8",
+        "elliptic": "^6.4.1"
+      }
+    },
     "kind-of": {
       "version": "6.0.3",
       "resolved": "https://registry.npmjs.org/kind-of/-/kind-of-6.0.3.tgz",
@@ -6526,23 +6620,46 @@
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       "dev": true
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+    "lodash.includes": {
+      "version": "4.3.0",
+      "resolved": "https://registry.npmjs.org/lodash.includes/-/lodash.includes-4.3.0.tgz",
+      "integrity": "sha1-YLuYqHy5I8aMoeUTJUgzFISfVT8="
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+    "lodash.isboolean": {
+      "version": "3.0.3",
+      "resolved": "https://registry.npmjs.org/lodash.isboolean/-/lodash.isboolean-3.0.3.tgz",
+      "integrity": "sha1-bC4XHbKiV82WgC/UOwGyDV9YcPY="
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+    "lodash.isinteger": {
+      "version": "4.0.4",
+      "resolved": "https://registry.npmjs.org/lodash.isinteger/-/lodash.isinteger-4.0.4.tgz",
+      "integrity": "sha1-YZwK89A/iwTDH1iChAt3sRzWg0M="
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       "integrity": "sha1-dWy1FQyjum8RCFp4hJZF8Yj4Xzc=",
       "dev": true
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+    "lodash.isnumber": {
+      "version": "3.0.3",
+      "resolved": "https://registry.npmjs.org/lodash.isnumber/-/lodash.isnumber-3.0.3.tgz",
+      "integrity": "sha1-POdoEMWSjQM1IwGsKHMX8RwLH/w="
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-      "integrity": "sha1-fFJqUtibRcRcxpC4gWO+BJf1UMs=",
-      "dev": true
+      "integrity": "sha1-fFJqUtibRcRcxpC4gWO+BJf1UMs="
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-      "integrity": "sha1-1SfftUVuynzJu5XV2ur4i6VKVFE=",
-      "dev": true
+      "integrity": "sha1-1SfftUVuynzJu5XV2ur4i6VKVFE="
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+    "lodash.once": {
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+      "integrity": "sha1-DdOXEhPHxW34gJd9UEyI+0cal6w="
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package.json

@@ -35,6 +35,8 @@
     "express-rate-limit": "^5.0.0",
     "helmet": "^3.21.2",
     "ioredis": "^4.14.1",
+    "jsonwebtoken": "^8.5.1",
+    "key-encoder": "^2.0.3",
     "level": "^6.0.0",
     "mkdirp": "^1.0.0",
     "mocha": "^7.0.1",

src/app.js

@@ -86,7 +86,8 @@ app.use(`/${v3prefix}/`, auth.mw())
 
 // Rate limit on all v3 routes
 // Establish and enforce rate limits.
-app.use(`/${v3prefix}/`, rateLimits.routeRateLimit)
+// app.use(`/${v3prefix}/`, rateLimits.routeRateLimit)
+app.use(`/${v3prefix}/`, rateLimits.newRateLimit)
 
 app.use(`/${v3prefix}/` + `health-check`, healthCheckV3)
 app.use(`/${v3prefix}/` + `blockchain`, blockchainV3.router)

src/middleware/route-ratelimit.js

@@ -21,6 +21,10 @@ const express = require("express")
 const RateLimit = require("express-rate-limit")
 const axios = require("axios")
 
+const jwt = require("jsonwebtoken")
+const KeyEncoder = require("key-encoder").default
+const keyEncoder = new KeyEncoder("secp256k1")
+
 // Set max requests per minute
 const maxRequests = process.env.RATE_LIMIT_MAX_REQUESTS
   ? parseInt(process.env.RATE_LIMIT_MAX_REQUESTS)
@@ -203,6 +207,47 @@ class RateLimits {
 
     return retObj
   }
+
+  newRateLimit(req, res, next) {
+    try {
+      // Create a res.locals object if not passed in.
+      if (!req.locals) {
+        req.locals = {
+          // default values
+          jwtToken: "",
+          proLimit: false,
+          apiLevel: 0
+        }
+      }
+
+      if (req.locals.jwtToken) {
+        // Hexadecimal
+        const publicKey =
+          "03e6c358092a459f7da9420de770eef3e16cf3c9c54a3d3d14ac2d7f0b82af4d7d"
+
+        const jwtOptions = {
+          algorithms: ["ES256"]
+        }
+
+        const pemPublicKey = keyEncoder.encodePublic(publicKey, "raw", "pem")
+
+        // Validate the JWT token.
+        const decoded = jwt.verify(
+          req.locals.jwtToken,
+          pemPublicKey,
+          jwtOptions
+        )
+        console.log(`decoded: ${JSON.stringify(decoded, null, 2)}`)
+      } else {
+        console.log(`No JWT token found!`)
+      }
+    } catch (err) {
+      console.error(`Error in route-ratelimit.js/newRateLimit(): `, err)
+      // throw err
+    }
+
+    next()
+  }
 }
 
 module.exports = RateLimits