diff --git a/package-lock.json b/package-lock.json
index 7a8942e..0e0cc99 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -314,12 +314,32 @@
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       "dev": true
     },
+    "@types/md5": {
+      "version": "2.3.0",
+      "resolved": "https://registry.npmjs.org/@types/md5/-/md5-2.3.0.tgz",
+      "integrity": "sha512-556YJ7ejzxIqSSxzyGGpctuZOarNZJt/zlEkhmmDc1f/slOEANHuwu2ZX7YaZ40rMiWoxt8GvAhoDpW1cmSy6A==",
+      "dev": true,
+      "requires": {
+        "@types/node": "*"
+      }
+    },
     "@types/node": {
       "version": "14.14.27",
       "resolved": "https://registry.npmjs.org/@types/node/-/node-14.14.27.tgz",
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       "dev": true
     },
+    "@types/tough-cookie": {
+      "version": "4.0.0",
+      "resolved": "https://registry.npmjs.org/@types/tough-cookie/-/tough-cookie-4.0.0.tgz",
+      "integrity": "sha512-I99sngh224D0M7XgW1s120zxCt3VYQ3IQsuw3P3jbq5GG4yc79+ZjyKznyOGIQrflfylLgcfekeZW/vk0yng6A==",
+      "dev": true
+    },
+    "@types/validator": {
+      "version": "13.1.3",
+      "resolved": "https://registry.npmjs.org/@types/validator/-/validator-13.1.3.tgz",
+      "integrity": "sha512-DaOWN1zf7j+8nHhqXhIgNmS+ltAC53NXqGxYuBhWqWgqolRhddKzfZU814lkHQSTG0IUfQxU7Cg0gb8fFWo2mA=="
+    },
     "@typescript-eslint/eslint-plugin": {
       "version": "4.15.0",
       "resolved": "https://registry.npmjs.org/@typescript-eslint/eslint-plugin/-/eslint-plugin-4.15.0.tgz",
@@ -853,6 +873,16 @@
         }
       }
     },
+    "class-validator": {
+      "version": "0.13.1",
+      "resolved": "https://registry.npmjs.org/class-validator/-/class-validator-0.13.1.tgz",
+      "integrity": "sha512-zWIeYFhUitvAHBwNhDdCRK09hWx+P0HUwFE8US8/CxFpMVzkUK8RJl7yOIE+BVu2lxyPNgeOaFv78tLE47jBIg==",
+      "requires": {
+        "@types/validator": "^13.1.3",
+        "libphonenumber-js": "^1.9.7",
+        "validator": "^13.5.2"
+      }
+    },
     "clean-stack": {
       "version": "2.2.0",
       "resolved": "https://registry.npmjs.org/clean-stack/-/clean-stack-2.2.0.tgz",
@@ -2335,6 +2365,11 @@
         "type-check": "~0.4.0"
       }
     },
+    "libphonenumber-js": {
+      "version": "1.9.11",
+      "resolved": "https://registry.npmjs.org/libphonenumber-js/-/libphonenumber-js-1.9.11.tgz",
+      "integrity": "sha512-ussVs6j3k0NEU4PNwWmVNGgmZQ88YrqzAw80ztmBfEhIQr55FpjFzPoDk5sWIfOmPuY1jmCKrxWCIemkBKqSPw=="
+    },
     "loader-utils": {
       "version": "1.4.0",
       "resolved": "https://registry.npmjs.org/loader-utils/-/loader-utils-1.4.0.tgz",
@@ -4030,6 +4065,11 @@
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       "dev": true
     },
+    "validator": {
+      "version": "13.5.2",
+      "resolved": "https://registry.npmjs.org/validator/-/validator-13.5.2.tgz",
+      "integrity": "sha512-mD45p0rvHVBlY2Zuy3F3ESIe1h5X58GPfAtslBjY7EtTqGquZTj+VX/J4RnHWN8FKq0C9WRVt1oWAcytWRuYLQ=="
+    },
     "webpack-log": {
       "version": "1.2.0",
       "resolved": "https://registry.npmjs.org/webpack-log/-/webpack-log-1.2.0.tgz",
diff --git a/package.json b/package.json
index 3862cd8..d5c53ca 100644
--- a/package.json
+++ b/package.json
@@ -35,6 +35,7 @@
     "axios": "^0.21.0",
     "axios-cookiejar-support": "^1.0.1",
     "cheerio": "^1.0.0-rc.3",
+    "class-validator": "^0.13.1",
     "log4js": "^6.3.0",
     "luxon": "^1.25.0",
     "md5": "^2.3.0",
@@ -42,7 +43,9 @@
     "tough-cookie": "^4.0.0"
   },
   "devDependencies": {
+    "@types/md5": "^2.3.0",
     "@types/node": "^14.14.27",
+    "@types/tough-cookie": "^4.0.0",
     "@typescript-eslint/eslint-plugin": "^4.15.0",
     "@typescript-eslint/parser": "^4.15.0",
     "chai": "^4.2.0",