feat: login wall (#42)

* feat: add login-wall app * fix: rename vars * fix: rename vars * update docker file * add validations for app state * add host check for app * fix: docker file
2021-08-04 12:18:57 +05:30 · 2021-08-04 12:18:57 +05:30 · f88363e6dc
commit f88363e6dc
parent d1973c1f8f
41 changed files with 2274 additions and 120 deletions
--- a/.dockerignore
+++ b/.dockerignore
@ -3,4 +3,6 @@ server/server
 .git
 .gitignore
 README.md
-ROADMAP.md
+ROADMAP.md
+build
+.env
--- a/.gitignore
+++ b/.gitignore
@ -1,3 +1,6 @@
 server/server
 server/.env
-data
+data
+app/node_modules
+build
+.env
--- a/13
+++ b/13
@ -1,19 +1,20 @@
 FROM golang:1.16-alpine as builder
 WORKDIR /app
-COPY . .
+COPY server server
+COPY Makefile .

 ARG VERSION=0.1.0-beta.0
 ENV VERSION="${VERSION}"

 RUN apk add build-base &&\
-    cd server && \
-    go mod download && \
    make clean && make && \
-    chmod 777 server
+    chmod 777 build/server

 FROM alpine:latest
 RUN apk --no-cache add ca-certificates
 WORKDIR /root/
-COPY --from=builder /app/server/server .
+COPY app app
+COPY templates templates
+COPY --from=builder /app/build build
 EXPOSE 8080
-CMD [ "./server" ]
+CMD [ "./build/server" ]
--- a/7
+++ b/7
@ -0,0 +1,7 @@
+DEFAULT_VERSION=0.1.0-local
+VERSION := $(or $(VERSION),$(DEFAULT_VERSION))
+
+cmd:
+	cd server && go build -ldflags "-w -X main.Version=$(VERSION)" -o '../build/server'
+clean:
+	rm -rf build
--- a/TODO.md
+++ b/TODO.md
@ -1,2 +0,0 @@
- [] Add env to disalbe email verification -> this can be helpful while onboarding user
- []
--- a/app/README.md
+++ b/app/README.md
@ -0,0 +1,3 @@
+# Authorizer APP
+
+App that can be used as login wall for your any application in combination with @authorizerdev/@authorizer.js
--- a/app/build/bundle.css
+++ b/app/build/bundle.css
@ -0,0 +1,16 @@
+body {
+  margin: 0;
+  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Oxygen',
+    'Ubuntu', 'Cantarell', 'Fira Sans', 'Droid Sans', 'Helvetica Neue',
+    sans-serif;
+  -webkit-font-smoothing: antialiased;
+  -moz-osx-font-smoothing: grayscale;
+  color: #374151;
+  font-size: 14px;
+}
+
+*,
+*:before,
+*:after {
+  box-sizing: inherit;
+}
--- a/app/build/bundle.js
+++ b/app/build/bundle.js
--- a/app/build/bundle.js.map
+++ b/app/build/bundle.js.map
--- a/app/package-lock.json
+++ b/app/package-lock.json
--- a/app/package.json
+++ b/app/package.json
@ -0,0 +1,25 @@
+{
+  "name": "app",
+  "version": "1.0.0",
+  "description": "",
+  "main": "index.js",
+  "scripts": {
+    "build": "esbuild src/index.tsx --bundle --minify --sourcemap --outfile=build/bundle.js"
+  },
+  "keywords": [],
+  "author": "Lakhan Samani",
+  "license": "ISC",
+  "dependencies": {
+    "@authorizerdev/authorizer-react": "^0.1.0-beta.6",
+    "@types/react": "^17.0.15",
+    "@types/react-dom": "^17.0.9",
+    "esbuild": "^0.12.17",
+    "react": "^17.0.2",
+    "react-dom": "^17.0.2",
+    "react-router-dom": "^5.2.0",
+    "typescript": "^4.3.5"
+  },
+  "devDependencies": {
+    "@types/react-router-dom": "^5.1.8"
+  }
+}
--- a/app/src/App.tsx
+++ b/app/src/App.tsx
@ -0,0 +1,33 @@
+import React from 'react';
+import { BrowserRouter } from 'react-router-dom';
+import { AuthorizerProvider } from '@authorizerdev/authorizer-react';
+import Root from './Root';
+
+export default function App() {
+  // @ts-ignore
+  const globalState: Record<string, string> = window['__authorizer__'];
+  return (
+    <div style={{ display: 'flex', justifyContent: 'center' }}>
+      <div
+        style={{
+          width: 400,
+          margin: `10px auto`,
+          border: `1px solid #D1D5DB`,
+          padding: `25px 20px`,
+          borderRadius: 5,
+        }}
+      >
+        <BrowserRouter>
+          <AuthorizerProvider
+            config={{
+              authorizerURL: globalState.authorizerURL,
+              redirectURL: globalState.redirectURL,
+            }}
+          >
+            <Root />
+          </AuthorizerProvider>
+        </BrowserRouter>
+      </div>
+    </div>
+  );
+}
--- a/app/src/Root.tsx
+++ b/app/src/Root.tsx
@ -0,0 +1,35 @@
+import React from 'react';
+import { Switch, Route } from 'react-router-dom';
+import { useAuthorizer } from '@authorizerdev/authorizer-react';
+import Dashboard from './pages/dashboard';
+import Login from './pages/login';
+import ResetPassword from './pages/rest-password';
+
+export default function Root() {
+  const { token, loading } = useAuthorizer();
+
+  if (loading) {
+    return <h1>Loading...</h1>;
+  }
+
+  if (token) {
+    return (
+      <Switch>
+        <Route path="/app" exact>
+          <Dashboard />
+        </Route>
+      </Switch>
+    );
+  }
+
+  return (
+    <Switch>
+      <Route path="/app" exact>
+        <Login />
+      </Route>
+      <Route path="/app/reset-password">
+        <ResetPassword />
+      </Route>
+    </Switch>
+  );
+}
--- a/app/src/index.tsx
+++ b/app/src/index.tsx
@ -0,0 +1,5 @@
+import React from 'react';
+import ReactDOM from 'react-dom';
+import App from './App';
+
+ReactDOM.render(<App />, document.getElementById('root'));
--- a/app/src/pages/dashboard.tsx
+++ b/app/src/pages/dashboard.tsx
@ -0,0 +1,52 @@
+import React from 'react';
+import { useAuthorizer } from '@authorizerdev/authorizer-react';
+
+export default function Dashboard() {
+  const [loading, setLoading] = React.useState(false);
+  const { user, setToken, graphQlRef } = useAuthorizer();
+
+  const onLogout = async () => {
+    setLoading(true);
+    await graphQlRef
+      .mutation(
+        `
+          mutation {
+            logout {
+              message
+            }
+          }
+        `
+      )
+      .toPromise();
+    setToken(null);
+    setLoading(false);
+  };
+
+  return (
+    <div>
+      <h1>Hey 👋,</h1>
+      <p>Thank you for joining authorizer demo app.</p>
+      <p>
+        Your email address is{' '}
+        <a href={`mailto:${user?.email}`} style={{ color: '#3B82F6' }}>
+          {user?.email}
+        </a>
+      </p>
+
+      <br />
+      {loading ? (
+        <h3>Processing....</h3>
+      ) : (
+        <h3
+          style={{
+            color: '#3B82F6',
+            cursor: 'pointer',
+          }}
+          onClick={onLogout}
+        >
+          Logout
+        </h3>
+      )}
+    </div>
+  );
+}
--- a/app/src/pages/login.tsx
+++ b/app/src/pages/login.tsx
@ -0,0 +1,10 @@
+import React, { Fragment } from 'react';
+import { Authorizer } from '@authorizerdev/authorizer-react';
+
+export default function Login() {
+  return (
+    <Fragment>
+      <Authorizer />
+    </Fragment>
+  );
+}
--- a/app/src/pages/rest-password.tsx
+++ b/app/src/pages/rest-password.tsx
@ -0,0 +1,12 @@
+import React, { Fragment } from 'react';
+import { AuthorizerResetPassword } from '@authorizerdev/authorizer-react';
+
+export default function ResetPassword() {
+  return (
+    <Fragment>
+      <h1 style={{ textAlign: 'center' }}>Reset Password</h1>
+      <br />
+      <AuthorizerResetPassword />
+    </Fragment>
+  );
+}
--- a/app/tsconfig.json
+++ b/app/tsconfig.json
@ -0,0 +1,72 @@
+{
+  "compilerOptions": {
+    /* Visit https://aka.ms/tsconfig.json to read more about this file */
+
+    /* Basic Options */
+    // "incremental": true,                         /* Enable incremental compilation */
+    "target": "es6",                                /* Specify ECMAScript target version: 'ES3' (default), 'ES5', 'ES2015', 'ES2016', 'ES2017', 'ES2018', 'ES2019', 'ES2020', 'ES2021', or 'ESNEXT'. */
+    "module": "commonjs",                           /* Specify module code generation: 'none', 'commonjs', 'amd', 'system', 'umd', 'es2015', 'es2020', or 'ESNext'. */
+    // "lib": ["es2018", "dom"],                                   /* Specify library files to be included in the compilation. */
+    // "allowJs": true,                             /* Allow javascript files to be compiled. */
+    // "checkJs": true,                             /* Report errors in .js files. */
+    "jsx": "react",                                 /* Specify JSX code generation: 'preserve', 'react-native', 'react', 'react-jsx' or 'react-jsxdev'. */
+    // "declaration": true,                         /* Generates corresponding '.d.ts' file. */
+    // "declarationMap": true,                      /* Generates a sourcemap for each corresponding '.d.ts' file. */
+    // "sourceMap": true,                           /* Generates corresponding '.map' file. */
+    // "outFile": "./",                             /* Concatenate and emit output to single file. */
+    // "outDir": "./",                              /* Redirect output structure to the directory. */
+    "rootDir": "src",                               /* Specify the root directory of input files. Use to control the output directory structure with --outDir. */
+    // "composite": true,                           /* Enable project compilation */
+    // "tsBuildInfoFile": "./",                     /* Specify file to store incremental compilation information */
+    // "removeComments": true,                      /* Do not emit comments to output. */
+    // "noEmit": true,                              /* Do not emit outputs. */
+    // "importHelpers": true,                       /* Import emit helpers from 'tslib'. */
+    // "downlevelIteration": true,                  /* Provide full support for iterables in 'for-of', spread, and destructuring when targeting 'ES5' or 'ES3'. */
+    // "isolatedModules": true,                     /* Transpile each file as a separate module (similar to 'ts.transpileModule'). */
+
+    /* Strict Type-Checking Options */
+    "strict": true,                                 /* Enable all strict type-checking options. */
+    // "noImplicitAny": true,                       /* Raise error on expressions and declarations with an implied 'any' type. */
+    // "strictNullChecks": true,                    /* Enable strict null checks. */
+    // "strictFunctionTypes": true,                 /* Enable strict checking of function types. */
+    // "strictBindCallApply": true,                 /* Enable strict 'bind', 'call', and 'apply' methods on functions. */
+    // "strictPropertyInitialization": true,        /* Enable strict checking of property initialization in classes. */
+    // "noImplicitThis": true,                      /* Raise error on 'this' expressions with an implied 'any' type. */
+    // "alwaysStrict": true,                        /* Parse in strict mode and emit "use strict" for each source file. */
+
+    /* Additional Checks */
+    // "noUnusedLocals": true,                      /* Report errors on unused locals. */
+    // "noUnusedParameters": true,                  /* Report errors on unused parameters. */
+    // "noImplicitReturns": true,                   /* Report error when not all code paths in function return a value. */
+    // "noFallthroughCasesInSwitch": true,          /* Report errors for fallthrough cases in switch statement. */
+    // "noUncheckedIndexedAccess": true,            /* Include 'undefined' in index signature results */
+    // "noImplicitOverride": true,                  /* Ensure overriding members in derived classes are marked with an 'override' modifier. */
+    // "noPropertyAccessFromIndexSignature": true,  /* Require undeclared properties from index signatures to use element accesses. */
+
+    /* Module Resolution Options */
+    // "moduleResolution": "node",                  /* Specify module resolution strategy: 'node' (Node.js) or 'classic' (TypeScript pre-1.6). */
+    // "baseUrl": "./",                             /* Base directory to resolve non-absolute module names. */
+    // "paths": {},                                 /* A series of entries which re-map imports to lookup locations relative to the 'baseUrl'. */
+    // "rootDirs": [],                              /* List of root folders whose combined content represents the structure of the project at runtime. */
+    // "typeRoots": [],                             /* List of folders to include type definitions from. */
+    // "types": [],                                 /* Type declaration files to be included in compilation. */
+    // "allowSyntheticDefaultImports": true,        /* Allow default imports from modules with no default export. This does not affect code emit, just typechecking. */
+    "esModuleInterop": true,                        /* Enables emit interoperability between CommonJS and ES Modules via creation of namespace objects for all imports. Implies 'allowSyntheticDefaultImports'. */
+    // "preserveSymlinks": true,                    /* Do not resolve the real path of symlinks. */
+    // "allowUmdGlobalAccess": true,                /* Allow accessing UMD globals from modules. */
+
+    /* Source Map Options */
+    // "sourceRoot": "",                            /* Specify the location where debugger should locate TypeScript files instead of source locations. */
+    // "mapRoot": "",                               /* Specify the location where debugger should locate map files instead of generated locations. */
+    // "inlineSourceMap": true,                     /* Emit a single file with source maps instead of having a separate file. */
+    // "inlineSources": true,                       /* Emit the source alongside the sourcemaps within a single file; requires '--inlineSourceMap' or '--sourceMap' to be set. */
+
+    /* Experimental Options */
+    // "experimentalDecorators": true,              /* Enables experimental support for ES7 decorators. */
+    // "emitDecoratorMetadata": true,               /* Enables experimental support for emitting type metadata for decorators. */
+
+    /* Advanced Options */
+    "skipLibCheck": true,                           /* Skip type checking of declaration files. */
+    "forceConsistentCasingInFileNames": true        /* Disallow inconsistently-cased references to the same file. */
+  }
+}
--- a/docker-compose.yaml
+++ b/docker-compose.yaml
@ -17,4 +17,4 @@ services:
  depends_on:
   - db
  env_file:
-   - server/.env
+   - .env
--- a/server/Makefile
+++ b/server/Makefile
@ -1,7 +0,0 @@
-DEFAULT_VERSION=0.1.0-local
-VERSION := $(or $(VERSION),$(DEFAULT_VERSION))
-
-cmd:
-	go build -ldflags "-w -X main.Version=$(VERSION)"
-clean:
-	rm -rf server
--- a/server/constants/constants.go
+++ b/server/constants/constants.go
@ -12,8 +12,9 @@ var (
 	SENDER_PASSWORD              = ""
 	JWT_TYPE                     = ""
 	JWT_SECRET                   = ""
-	FRONTEND_URL                 = ""
-	AUTHORIZER_DOMAIN            = ""
+	ALLOWED_ORIGINS              = []string{}
+	ALLOWED_CALLBACK_URLS        = []string{}
+	AUTHORIZER_URL               = ""
 	PORT                         = "8080"
 	REDIS_URL                    = ""
 	IS_PROD                      = false
--- a/server/env.go
+++ b/server/env.go
@ -17,7 +17,7 @@ var Version string
 func ParseArgs() {
 	dbURL := flag.String("database_url", "", "Database connection string")
 	dbType := flag.String("databse_type", "", "Database type, possible values are postgres,mysql,sqlit")
-	authroizerDomain := flag.String("authorizer_domain", "", "Domain name for authorizer instance, eg: https://xyz.herokuapp.com")
+	authorizerURL := flag.String("AUTHORIZER_URL", "", "URL for authorizer instance, eg: https://xyz.herokuapp.com")
 	flag.Parse()
 	if *dbURL != "" {
 		constants.DATABASE_URL = *dbURL
@ -27,8 +27,8 @@ func ParseArgs() {
 		constants.DATABASE_TYPE = *dbType
 	}

-	if *authroizerDomain != "" {
-		constants.AUTHORIZER_DOMAIN = *authroizerDomain
+	if *authorizerURL != "" {
+		constants.AUTHORIZER_URL = *authorizerURL
 	}
 }

@ -51,8 +51,7 @@ func InitEnv() {
 	constants.SENDER_PASSWORD = os.Getenv("SENDER_PASSWORD")
 	constants.JWT_SECRET = os.Getenv("JWT_SECRET")
 	constants.JWT_TYPE = os.Getenv("JWT_TYPE")
-	constants.FRONTEND_URL = strings.TrimSuffix(os.Getenv("FRONTEND_URL"), "/")
-	constants.AUTHORIZER_DOMAIN = strings.TrimSuffix(os.Getenv("AUTHORIZER_DOMAIN"), "/")
+	constants.AUTHORIZER_URL = strings.TrimSuffix(os.Getenv("AUTHORIZER_URL"), "/")
 	constants.PORT = os.Getenv("PORT")
 	constants.REDIS_URL = os.Getenv("REDIS_URL")
 	constants.COOKIE_NAME = os.Getenv("COOKIE_NAME")
@ -84,6 +83,32 @@ func InitEnv() {
 		constants.IS_PROD = false
 	}

+	allowedOriginsSplit := strings.Split(os.Getenv("ALLOWED_ORIGINS"), ",")
+	allowedOrigins := []string{}
+	for _, val := range allowedOriginsSplit {
+		trimVal := strings.TrimSpace(val)
+		if trimVal != "" {
+			allowedOrigins = append(allowedOrigins, trimVal)
+		}
+	}
+	if len(allowedOrigins) == 0 {
+		allowedOrigins = []string{"*"}
+	}
+	constants.ALLOWED_ORIGINS = allowedOrigins
+
+	allowedCallbackSplit := strings.Split(os.Getenv("ALLOWED_CALLBACK_URLS"), ",")
+	allowedCallbacks := []string{}
+	for _, val := range allowedCallbackSplit {
+		trimVal := strings.TrimSpace(val)
+		if trimVal != "" {
+			allowedCallbacks = append(allowedCallbacks, trimVal)
+		}
+	}
+	if len(allowedCallbackSplit) == 0 {
+		allowedCallbackSplit = []string{"*"}
+	}
+	constants.ALLOWED_CALLBACK_URLS = allowedCallbackSplit
+
 	ParseArgs()
 	if constants.DATABASE_URL == "" {
 		panic("Database url is required")
@ -101,10 +126,6 @@ func InitEnv() {
 		constants.COOKIE_NAME = "authorizer"
 	}

-	if constants.AUTHORIZER_DOMAIN == "" {
-		constants.AUTHORIZER_DOMAIN = "http://localhost:8080"
-	}
-
 	if constants.DISABLE_BASIC_AUTHENTICATION == "" {
 		constants.DISABLE_BASIC_AUTHENTICATION = "false"
 	}
--- a/server/go.mod
+++ b/server/go.mod
@ -5,19 +5,24 @@ go 1.16
 require (
 	github.com/99designs/gqlgen v0.13.0
 	github.com/gin-gonic/gin v1.7.2
+	github.com/go-playground/validator/v10 v10.8.0 // indirect
 	github.com/go-redis/redis/v8 v8.11.0
 	github.com/golang-jwt/jwt v3.2.1+incompatible
 	github.com/golang/protobuf v1.5.2 // indirect
-	github.com/google/uuid v1.3.0 // indirect
+	github.com/google/uuid v1.3.0
 	github.com/jackc/pgproto3/v2 v2.1.0 // indirect
 	github.com/joho/godotenv v1.3.0
+	github.com/json-iterator/go v1.1.11 // indirect
+	github.com/mattn/go-isatty v0.0.13 // indirect
 	github.com/mattn/go-sqlite3 v1.14.7 // indirect
+	github.com/ugorji/go v1.2.6 // indirect
 	github.com/vektah/gqlparser/v2 v2.1.0
-	golang.org/x/crypto v0.0.0-20210616213533-5ff15b29337e
+	golang.org/x/crypto v0.0.0-20210711020723-a769d52b0f97
 	golang.org/x/net v0.0.0-20210614182718-04defd469f4e // indirect
 	golang.org/x/oauth2 v0.0.0-20210628180205-a41e5a781914
 	google.golang.org/appengine v1.6.7 // indirect
 	google.golang.org/protobuf v1.27.1 // indirect
+	gopkg.in/yaml.v2 v2.4.0 // indirect
 	gorm.io/driver/mysql v1.1.1
 	gorm.io/driver/postgres v1.1.0
 	gorm.io/driver/sqlite v1.1.4
--- a/server/go.sum
+++ b/server/go.sum
@ -68,7 +68,6 @@ github.com/beorn7/perks v1.0.0/go.mod h1:KWe93zE9D1o94FZ5RNwFwVgaQK1VOXiVxmqh+Ce
 github.com/beorn7/perks v1.0.1/go.mod h1:G2ZrVWU2WbWT9wwq4/hrbKbnv/1ERSJQ0ibhJ6rlkpw=
 github.com/bgentry/speakeasy v0.1.0/go.mod h1:+zsyZBPWlz7T6j88CTgSN5bM796AkVf0kBD4zp0CCIs=
 github.com/casbin/casbin/v2 v2.1.2/go.mod h1:YcPU1XXisHhLzuxH9coDNf2FbKpjGlbCg3n9yuLkIJQ=
-github.com/cenkalti/backoff v2.1.1+incompatible/go.mod h1:90ReRw6GdpyfrHakVjL/QHaoyV4aDUVVkXQJJJ3NXXM=
 github.com/cenkalti/backoff v2.2.1+incompatible/go.mod h1:90ReRw6GdpyfrHakVjL/QHaoyV4aDUVVkXQJJJ3NXXM=
 github.com/census-instrumentation/opencensus-proto v0.2.1/go.mod h1:f6KPmirojxKA12rnyqOA5BBL4O983OfeGPqjHWSTneU=
 github.com/cespare/xxhash/v2 v2.1.1 h1:6MnRN8NT7+YBpUIWxHtefFZOKTAPgGjpQSxqLNn0+qY=
@ -88,19 +87,11 @@ github.com/coreos/go-systemd v0.0.0-20180511133405-39ca1b05acc7/go.mod h1:F5haX7
 github.com/coreos/go-systemd v0.0.0-20190321100706-95778dfbb74e/go.mod h1:F5haX7vjVVG0kc13fIWeqUViNPyEJxv/OmvnBo0Yme4=
 github.com/coreos/go-systemd v0.0.0-20190719114852-fd7a80b32e1f/go.mod h1:F5haX7vjVVG0kc13fIWeqUViNPyEJxv/OmvnBo0Yme4=
 github.com/coreos/pkg v0.0.0-20160727233714-3ac0863d7acf/go.mod h1:E3G3o1h8I7cfcXa63jLwjI0eiQQMgzzUDFVpN/nH/eA=
-github.com/cpuguy83/go-md2man/v2 v2.0.0-20190314233015-f79a8a8ca69d h1:U+s90UTSYgptZMwQh2aRr3LuazLJIa+Pg3Kc1ylSYVY=
 github.com/cpuguy83/go-md2man/v2 v2.0.0-20190314233015-f79a8a8ca69d/go.mod h1:maD7wRr/U5Z6m/iR4s+kqSMx2CaBsrgA7czyZG/E6dU=
 github.com/creack/pty v1.1.7/go.mod h1:lj5s0c3V2DBrqTV7llrYr5NG6My20zk30Fl46Y7DoTY=
 github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
 github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c=
 github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
-github.com/dghubble/go-twitter v0.0.0-20190719072343-39e5462e111f/go.mod h1:xfg4uS5LEzOj8PgZV7SQYRHbG7jPUnelEiaAVJxmhJE=
-github.com/dghubble/gologin v2.1.0+incompatible h1:LAk9a91axNP72AGTNp7afVigkdhakN7IyDGcceQ+R6g=
-github.com/dghubble/gologin v2.1.0+incompatible/go.mod h1:+EjjX5AiOREcyqxhz0c6I8OsL+6F9/38WD1CDcClx+Y=
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@ -143,8 +134,9 @@ github.com/go-playground/locales v0.13.0 h1:HyWk6mgj5qFqCT5fjGBuRArbVDfE4hi8+e8c
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@ -201,8 +193,6 @@ github.com/google/go-cmp v0.5.1/go.mod h1:v8dTdLbMG2kIc/vJvl+f65V22dbkXbowE6jgT/
 github.com/google/go-cmp v0.5.5/go.mod h1:v8dTdLbMG2kIc/vJvl+f65V22dbkXbowE6jgT/gNBxE=
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@ -322,8 +312,9 @@ github.com/jonboulle/clockwork v0.1.0/go.mod h1:Ii8DK3G1RaLaWxj9trq07+26W01tbo22
 github.com/json-iterator/go v1.1.6/go.mod h1:+SdeFBvtyEkXs7REEP0seUULqWtbJapLOCVDaaPEHmU=
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@ -339,8 +330,9 @@ github.com/kr/pty v1.1.1/go.mod h1:pFQYn66WHrOpPYNljwOMqo10TkYh1fy3cYio2l3bCsQ=
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@ -362,8 +354,9 @@ github.com/mattn/go-isatty v0.0.5/go.mod h1:Iq45c/XA43vh69/j3iqttzPXn0bhXyGjM0Hd
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@ -453,7 +446,6 @@ github.com/rs/cors v1.6.0/go.mod h1:gFx+x8UowdsKA9AchylcLynDq+nNFfI8FkUZdN/jGCU=
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-github.com/russross/blackfriday/v2 v2.0.1 h1:lPqVAte+HuHNfhJ/0LC98ESWRz8afy9tM/0RK8m9o+Q=
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@ -465,7 +457,6 @@ github.com/shopspring/decimal v0.0.0-20180709203117-cd690d0c9e24/go.mod h1:M+9Nz
 github.com/shopspring/decimal v0.0.0-20200227202807-02e2044944cc h1:jUIKcSPO9MoMJBbEoyE/RJoE8vz7Mb8AjvifMMwSyvY=
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@ -487,17 +478,18 @@ github.com/stretchr/testify v1.2.1/go.mod h1:a8OnRcib4nhh0OaRAV+Yts87kKdq0PP7pXf
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@ -541,8 +533,8 @@ golang.org/x/crypto v0.0.0-20191011191535-87dc89f01550/go.mod h1:yigFU9vqHzYiE8U
 golang.org/x/crypto v0.0.0-20200323165209-0ec3e9974c59/go.mod h1:LzIPMQfyMNhhGPhUkYOs5KpL4U8rLKemX1yGLhDgUto=
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@ -572,7 +564,6 @@ golang.org/x/mod v0.1.0/go.mod h1:0QHyrYULN0/3qlju5TqG8bIK38QM8yzMo5ekMj3DlcY=
 golang.org/x/mod v0.1.1-0.20191105210325-c90efee705ee/go.mod h1:QqPTAvyqsEbceGzBzNggFXnrqF1CaUcvgkdR5Ot7KZg=
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@ -676,8 +667,9 @@ golang.org/x/sys v0.0.0-20200930185726-fdedc70b468f/go.mod h1:h1NjWce9XRLGQEsW7w
 golang.org/x/sys v0.0.0-20201119102817-f84b799fce68/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
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 golang.org/x/term v0.0.0-20201126162022-7de9c90e9dd1/go.mod h1:bj7SfCRtBDWHUb9snDiAeCFNEtKQo2Wmx5Cou7ajbmo=
 golang.org/x/text v0.0.0-20170915032832-14c0d48ead0c/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
 golang.org/x/text v0.3.0/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
@ -741,7 +733,6 @@ golang.org/x/tools v0.0.0-20200618134242-20370b0cb4b2/go.mod h1:EkVYQZoAsY45+roY
 golang.org/x/tools v0.0.0-20200729194436-6467de6f59a7/go.mod h1:njjCfa9FT2d7l9Bc6FUM5FLjQPp3cFF28FI3qnDFljA=
 golang.org/x/tools v0.0.0-20200804011535-6c149bb5ef0d/go.mod h1:njjCfa9FT2d7l9Bc6FUM5FLjQPp3cFF28FI3qnDFljA=
 golang.org/x/tools v0.0.0-20200825202427-b303f430e36d/go.mod h1:njjCfa9FT2d7l9Bc6FUM5FLjQPp3cFF28FI3qnDFljA=
-golang.org/x/tools v0.0.0-20201224043029-2b0845dc783e h1:4nW4NLDYnU28ojHaHO8OVxFHk/aQ33U01a9cjED+pzE=
 golang.org/x/tools v0.0.0-20201224043029-2b0845dc783e/go.mod h1:emZCQorbCU4vsT4fOWvOPXz4eW1wZW4PmDk9uLelYpA=
 golang.org/x/xerrors v0.0.0-20190410155217-1f06c39b4373/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
 golang.org/x/xerrors v0.0.0-20190513163551-3ee3066db522/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
@ -856,8 +847,11 @@ gopkg.in/yaml.v2 v2.2.1/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
 gopkg.in/yaml.v2 v2.2.2/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
 gopkg.in/yaml.v2 v2.2.4/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
 gopkg.in/yaml.v2 v2.2.8/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
-gopkg.in/yaml.v2 v2.3.0 h1:clyUAQHOM3G0M3f5vQj7LuJrETvjVot3Z5el9nffUtU=
 gopkg.in/yaml.v2 v2.3.0/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
+gopkg.in/yaml.v2 v2.4.0 h1:D8xgwECY7CYvx+Y2n4sBz93Jn9JRvxdiyyo8CTfuKaY=
+gopkg.in/yaml.v2 v2.4.0/go.mod h1:RDklbk79AGWmwhnvt/jBztapEOGDOx6ZbXqjP6csGnQ=
+gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c h1:dUUwHk2QECo/6vqA44rthZ8ie2QXMNeKRTHCNY2nXvo=
+gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
 gorm.io/driver/mysql v1.1.1 h1:yr1bpyqiwuSPJ4aGGUX9nu46RHXlF8RASQVb1QQNcvo=
 gorm.io/driver/mysql v1.1.1/go.mod h1:KdrTanmfLPPyAOeYGyG+UpDys7/7eeWT1zCq+oekYnU=
 gorm.io/driver/postgres v1.1.0 h1:afBljg7PtJ5lA6YUWluV2+xovIPhS+YiInuL3kUjrbk=
--- a/server/handlers/app.go
+++ b/server/handlers/app.go
@ -0,0 +1,87 @@
+package handlers
+
+import (
+	"encoding/base64"
+	"encoding/json"
+	"log"
+	"net/http"
+
+	"github.com/authorizerdev/authorizer/server/utils"
+	"github.com/gin-gonic/gin"
+)
+
+type State struct {
+	AuthorizerURL string `json:"authorizerURL"`
+	RedirectURL   string `json:"redirectURL"`
+}
+
+func AppHandler() gin.HandlerFunc {
+	return func(c *gin.Context) {
+		host := "http://" + c.Request.Host
+		state := c.Query("state")
+		var stateObj State
+
+		if state == "" {
+			cookie, err := utils.GetAuthToken(c)
+			log.Println(`cookie`, cookie)
+			if err != nil {
+				c.JSON(400, gin.H{"error": "invalid state"})
+				return
+			}
+
+			stateObj.AuthorizerURL = host
+			stateObj.RedirectURL = host + "/app"
+
+		} else {
+			decodedState, err := base64.StdEncoding.DecodeString(state)
+			if err != nil {
+				c.JSON(400, gin.H{"error": "[unable to decode state] invalid state"})
+				return
+			}
+
+			err = json.Unmarshal(decodedState, &stateObj)
+			if err != nil {
+				c.JSON(400, gin.H{"error": "[unable to parse state] invalid state"})
+				return
+			}
+
+			// validate redirect url with allowed origins
+			if !utils.IsValidRedirectURL(stateObj.RedirectURL) {
+				c.JSON(400, gin.H{"error": "invalid redirect url"})
+				return
+			}
+
+			if stateObj.AuthorizerURL == "" {
+				c.JSON(400, gin.H{"error": "invalid authorizer url"})
+				return
+			}
+
+			// validate host and domain of authorizer url
+			if utils.GetDomainName(stateObj.AuthorizerURL) != utils.GetDomainName(host) {
+				c.JSON(400, gin.H{"error": "invalid host url"})
+				return
+			}
+		}
+
+		log.Println(gin.H{
+			"data": map[string]string{
+				"authorizerURL": "http://" + stateObj.AuthorizerURL,
+				"redirectURL":   stateObj.RedirectURL,
+			},
+		})
+
+		// debug the request state
+		if pusher := c.Writer.Pusher(); pusher != nil {
+			// use pusher.Push() to do server push
+			if err := pusher.Push("/app/build/bundle.js", nil); err != nil {
+				log.Printf("Failed to push: %v", err)
+			}
+		}
+		c.HTML(http.StatusOK, "app.tmpl", gin.H{
+			"data": map[string]string{
+				"authorizerURL": stateObj.AuthorizerURL,
+				"redirectURL":   stateObj.RedirectURL,
+			},
+		})
+	}
+}
--- a/server/handlers/graphql.go
+++ b/server/handlers/graphql.go
@ -15,8 +15,8 @@ func GraphqlHandler() gin.HandlerFunc {
 	h := handler.NewDefaultServer(generated.NewExecutableSchema(generated.Config{Resolvers: &graph.Resolver{}}))

 	return func(c *gin.Context) {
-		if constants.AUTHORIZER_DOMAIN == "" {
-			constants.AUTHORIZER_DOMAIN = "https://" + c.Request.Host
+		if constants.AUTHORIZER_URL == "" {
+			constants.AUTHORIZER_URL = "https://" + c.Request.Host
 		}
 		h.ServeHTTP(c.Writer, c.Request)
 	}
--- a/server/handlers/oauthCallback.go
+++ b/server/handlers/oauthCallback.go
@ -4,6 +4,7 @@ import (
 	"encoding/json"
 	"fmt"
 	"io/ioutil"
+	"log"
 	"net/http"
 	"strings"
 	"time"
@ -18,12 +19,7 @@ import (
 	"golang.org/x/oauth2"
 )

-func processGoogleUserInfo(state string, code string, c *gin.Context) error {
-	sessionState := session.GetToken(state)
-	if sessionState == "" {
-		return fmt.Errorf("invalid oauth state")
-	}
-	session.DeleteToken(sessionState)
+func processGoogleUserInfo(code string, c *gin.Context) error {
 	token, err := oauth.OAuthProvider.GoogleConfig.Exchange(oauth2.NoContext, code)
 	if err != nil {
 		return fmt.Errorf("invalid google exchange code: %s", err.Error())
@ -82,12 +78,7 @@ func processGoogleUserInfo(state string, code string, c *gin.Context) error {
 	return nil
 }

-func processGithubUserInfo(state string, code string, c *gin.Context) error {
-	sessionState := session.GetToken(state)
-	if sessionState == "" {
-		return fmt.Errorf("invalid oauth state")
-	}
-	session.DeleteToken(sessionState)
+func processGithubUserInfo(code string, c *gin.Context) error {
 	token, err := oauth.OAuthProvider.GithubConfig.Exchange(oauth2.NoContext, code)
 	if err != nil {
 		return fmt.Errorf("invalid google exchange code: %s", err.Error())
@ -165,21 +156,38 @@ func processGithubUserInfo(state string, code string, c *gin.Context) error {

 func OAuthCallbackHandler() gin.HandlerFunc {
 	return func(c *gin.Context) {
+		log.Println("url:", c.Request.URL)
 		provider := c.Param("oauth_provider")
+		state := c.Request.FormValue("state")
+		log.Println("session state", state)
+		sessionState := session.GetToken(state)
+		if sessionState == "" {
+			c.JSON(400, gin.H{"error": "invalid oauth state"})
+		}
+		session.DeleteToken(sessionState)
+		sessionSplit := strings.Split(state, "___")
+		log.Println(sessionSplit)
+		// TODO validate redirect url
+		if len(sessionSplit) != 2 {
+			c.JSON(400, gin.H{"error": "invalid redirect url"})
+			return
+		}
+
 		var err error
+		code := c.Request.FormValue("code")
 		switch provider {
 		case enum.Google.String():
-			err = processGoogleUserInfo(c.Request.FormValue("state"), c.Request.FormValue("code"), c)
+			err = processGoogleUserInfo(code, c)
 		case enum.Github.String():
-			err = processGithubUserInfo(c.Request.FormValue("state"), c.Request.FormValue("code"), c)
+			err = processGithubUserInfo(code, c)
 		default:
 			err = fmt.Errorf(`invalid oauth provider`)
 		}

 		if err != nil {
-			c.Redirect(http.StatusTemporaryRedirect, constants.FRONTEND_URL+"?error="+err.Error())
+			c.JSON(400, gin.H{"error": err.Error()})
+			return
 		}
-
-		c.Redirect(http.StatusTemporaryRedirect, constants.FRONTEND_URL)
+		c.Redirect(http.StatusTemporaryRedirect, sessionSplit[1])
 	}
 }
--- a/server/handlers/oauthLogin.go
+++ b/server/handlers/oauthLogin.go
@ -10,11 +10,22 @@ import (
 	"github.com/google/uuid"
 )

-func OAuthLoginHandler() gin.HandlerFunc {
-	uuid := uuid.New()
-	oauthStateString := uuid.String()
+// set host in the oauth state that is useful for redirecting

+func OAuthLoginHandler() gin.HandlerFunc {
 	return func(c *gin.Context) {
+		// TODO validate redirect URL
+		redirectURL := c.Query("redirectURL")
+
+		if redirectURL == "" {
+			c.JSON(400, gin.H{
+				"error": "invalid redirect url",
+			})
+			return
+		}
+		uuid := uuid.New()
+		oauthStateString := uuid.String() + "___" + redirectURL
+
 		provider := c.Param("oauth_provider")

 		switch provider {
--- a/server/handlers/verifyEmail.go
+++ b/server/handlers/verifyEmail.go
@ -5,7 +5,6 @@ import (
 	"net/http"
 	"time"

-	"github.com/authorizerdev/authorizer/server/constants"
 	"github.com/authorizerdev/authorizer/server/db"
 	"github.com/authorizerdev/authorizer/server/enum"
 	"github.com/authorizerdev/authorizer/server/session"
@ -63,6 +62,6 @@ func VerifyEmailHandler() gin.HandlerFunc {

 		session.SetToken(userIdStr, refreshToken)
 		utils.SetCookie(c, accessToken)
-		c.Redirect(http.StatusTemporaryRedirect, constants.FRONTEND_URL)
+		c.Redirect(http.StatusTemporaryRedirect, claim.Host)
 	}
 }
--- a/server/main.go
+++ b/server/main.go
@ -18,6 +18,8 @@ func GinContextToContextMiddleware() gin.HandlerFunc {
 	}
 }

+// TODO use allowed origins for cors origin
+// TODO throw error if url is not allowed
 func CORSMiddleware() gin.HandlerFunc {
 	return func(c *gin.Context) {
 		origin := c.Request.Header.Get("Origin")
@ -44,10 +46,17 @@ func main() {
 	r := gin.Default()
 	r.Use(GinContextToContextMiddleware())
 	r.Use(CORSMiddleware())
+
 	r.GET("/", handlers.PlaygroundHandler())
 	r.POST("/graphql", handlers.GraphqlHandler())
 	r.GET("/verify_email", handlers.VerifyEmailHandler())
-	r.GET("/login/:oauth_provider", handlers.OAuthLoginHandler())
-	r.GET("/callback/:oauth_provider", handlers.OAuthCallbackHandler())
+	r.GET("/oauth_login/:oauth_provider", handlers.OAuthLoginHandler())
+	r.GET("/oauth_callback/:oauth_provider", handlers.OAuthCallbackHandler())
+
+	// login wall app related routes
+	r.Static("/app/build", "app/build")
+	r.LoadHTMLGlob("templates/*")
+	r.GET("/app", handlers.AppHandler())
+
 	r.Run()
 }
--- a/server/oauth/oauth.go
+++ b/server/oauth/oauth.go
@ -20,7 +20,7 @@ func InitOAuth() {
 		OAuthProvider.GoogleConfig = &oauth2.Config{
 			ClientID:     constants.GOOGLE_CLIENT_ID,
 			ClientSecret: constants.GOOGLE_CLIENT_SECRET,
-			RedirectURL:  constants.AUTHORIZER_DOMAIN + "/callback/google",
+			RedirectURL:  constants.AUTHORIZER_URL + "/oauth_callback/google",
 			Endpoint:     googleOAuth2.Endpoint,
 			Scopes:       []string{"https://www.googleapis.com/auth/userinfo.email", "https://www.googleapis.com/auth/userinfo.profile"},
 		}
@ -29,7 +29,7 @@ func InitOAuth() {
 		OAuthProvider.GithubConfig = &oauth2.Config{
 			ClientID:     constants.GITHUB_CLIENT_ID,
 			ClientSecret: constants.GITHUB_CLIENT_SECRET,
-			RedirectURL:  constants.AUTHORIZER_DOMAIN + "/callback/github",
+			RedirectURL:  constants.AUTHORIZER_URL + "/oauth_callback/github",
 			Endpoint:     githubOAuth2.Endpoint,
 		}
 	}
@ -37,7 +37,7 @@ func InitOAuth() {
 	// 	OAuthProvider.FacebookConfig = &oauth2.Config{
 	// 		ClientID:     constants.FACEBOOK_CLIENT_ID,
 	// 		ClientSecret: constants.FACEBOOK_CLIENT_SECRET,
-	// 		RedirectURL: "/callback/facebook/",
+	// 		RedirectURL: "/oauth_callback/facebook/",
 	// 		Endpoint:     facebookOAuth2.Endpoint,
 	// 	}
 	// }
--- a/server/resolvers/forgotPassword.go
+++ b/server/resolvers/forgotPassword.go
@ -15,23 +15,27 @@ import (
 )

 func ForgotPassword(ctx context.Context, params model.ForgotPasswordInput) (*model.Response, error) {
+	gc, err := utils.GinContextFromContext(ctx)
 	var res *model.Response
+	if err != nil {
+		return res, err
+	}
 	if constants.DISABLE_BASIC_AUTHENTICATION == "true" {
 		return res, fmt.Errorf(`basic authentication is disabled for this instance`)
 	}
-
+	host := gc.Request.Host
 	params.Email = strings.ToLower(params.Email)

 	if !utils.IsValidEmail(params.Email) {
 		return res, fmt.Errorf("invalid email")
 	}

-	_, err := db.Mgr.GetUserByEmail(params.Email)
+	_, err = db.Mgr.GetUserByEmail(params.Email)
 	if err != nil {
 		return res, fmt.Errorf(`user with this email not found`)
 	}

-	token, err := utils.CreateVerificationToken(params.Email, enum.ForgotPassword.String())
+	token, err := utils.CreateVerificationToken(params.Email, enum.ForgotPassword.String(), host)
 	if err != nil {
 		log.Println(`Error generating token`, err)
 	}
@ -44,7 +48,7 @@ func ForgotPassword(ctx context.Context, params model.ForgotPasswordInput) (*mod

 	// exec it as go routin so that we can reduce the api latency
 	go func() {
-		utils.SendForgotPasswordMail(params.Email, token)
+		utils.SendForgotPasswordMail(params.Email, token, host)
 	}()

 	res = &model.Response{
--- a/server/resolvers/resendVerifyEmail.go
+++ b/server/resolvers/resendVerifyEmail.go
@ -13,19 +13,25 @@ import (
 )

 func ResendVerifyEmail(ctx context.Context, params model.ResendVerifyEmailInput) (*model.Response, error) {
+	gc, err := utils.GinContextFromContext(ctx)
 	var res *model.Response
+	if err != nil {
+		return res, err
+	}
 	params.Email = strings.ToLower(params.Email)

 	if !utils.IsValidEmail(params.Email) {
 		return res, fmt.Errorf("invalid email")
 	}

+	host := gc.Request.Host
+
 	verificationRequest, err := db.Mgr.GetVerificationByEmail(params.Email)
 	if err != nil {
 		return res, fmt.Errorf(`verification request not found`)
 	}

-	token, err := utils.CreateVerificationToken(params.Email, verificationRequest.Identifier)
+	token, err := utils.CreateVerificationToken(params.Email, verificationRequest.Identifier, host)
 	if err != nil {
 		log.Println(`Error generating token`, err)
 	}
--- a/server/resolvers/signup.go
+++ b/server/resolvers/signup.go
@ -84,7 +84,7 @@ func Signup(ctx context.Context, params model.SignUpInput) (*model.AuthResponse,
 	if constants.DISABLE_EMAIL_VERICATION != "true" {
 		// insert verification request
 		verificationType := enum.BasicAuthSignup.String()
-		token, err := utils.CreateVerificationToken(params.Email, verificationType)
+		token, err := utils.CreateVerificationToken(params.Email, verificationType, gc.Request.Host)
 		if err != nil {
 			log.Println(`Error generating token`, err)
 		}
--- a/server/resolvers/updateProfile.go
+++ b/server/resolvers/updateProfile.go
@ -105,7 +105,7 @@ func UpdateProfile(ctx context.Context, params model.UpdateProfileInput) (*model
 		hasEmailChanged = true
 		// insert verification request
 		verificationType := enum.UpdateEmail.String()
-		token, err := utils.CreateVerificationToken(newEmail, verificationType)
+		token, err := utils.CreateVerificationToken(newEmail, verificationType, gc.Request.Host)
 		if err != nil {
 			log.Println(`Error generating token`, err)
 		}
@ -124,6 +124,10 @@ func UpdateProfile(ctx context.Context, params model.UpdateProfileInput) (*model
 	}

 	_, err = db.Mgr.UpdateUser(user)
+	if err != nil {
+		log.Println("Error updating user:", err)
+		return res, err
+	}
 	message := `Profile details updated successfully.`
 	if hasEmailChanged {
 		message += `For the email change we have sent new verification email, please verify and continue`
--- a/server/utils/cookie.go
+++ b/server/utils/cookie.go
@ -12,8 +12,8 @@ func SetCookie(gc *gin.Context, token string) {
 	secure := true
 	httpOnly := true

-	host := GetDomainName(gc.Request.Host)
-	log.Println("=> host", host)
+	host := GetHostName(gc.Request.Host)
+	log.Println("=> cookie host", host)
 	gc.SetSameSite(http.SameSiteNoneMode)
 	gc.SetCookie(constants.COOKIE_NAME, token, 3600, "/", host, secure, httpOnly)
 }
@ -35,7 +35,7 @@ func DeleteCookie(gc *gin.Context) {
 		secure = false
 	}

-	host := GetDomainName(gc.Request.Host)
+	host := GetHostName(gc.Request.Host)
 	gc.SetSameSite(http.SameSiteNoneMode)
 	gc.SetCookie(constants.COOKIE_NAME, "", -1, "/", host, secure, httpOnly)
 }
--- a/server/utils/email.go
+++ b/server/utils/email.go
@ -26,14 +26,14 @@ func SendVerificationMail(toEmail, token string) error {
 		<a href="%s">Click here to verify</a>
 	</body>
 	</html>
-	`, constants.AUTHORIZER_DOMAIN+"/verify_email"+"?token="+token)
+	`, constants.AUTHORIZER_URL+"/verify_email"+"?token="+token)
 	bodyMessage := sender.WriteHTMLEmail(Receiver, Subject, message)

 	return sender.SendMail(Receiver, Subject, bodyMessage)
 }

 // SendForgotPasswordMail to send verification email
-func SendForgotPasswordMail(toEmail, token string) error {
+func SendForgotPasswordMail(toEmail, token, host string) error {
 	sender := email.NewSender()

 	// The receiver needs to be in slice as the receive supports multiple receiver
@ -51,7 +51,7 @@ func SendForgotPasswordMail(toEmail, token string) error {
 		<a href="%s">Reset Password</a>
 	</body>
 	</html>
-	`, constants.FRONTEND_URL+"/"+constants.FORGOT_PASSWORD_URI+"?token="+token)
+	`, host+"/"+constants.FORGOT_PASSWORD_URI+"?token="+token)
 	bodyMessage := sender.WriteHTMLEmail(Receiver, Subject, message)

 	return sender.SendMail(Receiver, Subject, bodyMessage)
--- a/server/utils/urls.go
+++ b/server/utils/urls.go
@ -2,11 +2,24 @@ package utils

 import (
 	"net/url"
+	"strings"
 )

 // function to get hostname
+func GetHostName(auth_url string) string {
+	u, err := url.Parse(auth_url)
+	if err != nil {
+		return `localhost`
+	}
+
+	host := u.Hostname()
+
+	return host
+}
+
+// function to get domain name
 func GetDomainName(auth_url string) string {
-	u, err := url.Parse("//" + auth_url)
+	u, err := url.Parse(auth_url)
 	if err != nil {
 		return `localhost`
 	}
@ -14,24 +27,24 @@ func GetDomainName(auth_url string) string {
 	host := u.Hostname()

 	// code to get root domain in case of sub-domains
-	// hostParts := strings.Split(host, ".")
-	// hostPartsLen := len(hostParts)
+	hostParts := strings.Split(host, ".")
+	hostPartsLen := len(hostParts)

-	// if hostPartsLen == 1 {
-	// 	return host
-	// }
+	if hostPartsLen == 1 {
+		return host
+	}

-	// if hostPartsLen == 2 {
-	// 	if hostParts[0] == "www" {
-	// 		return hostParts[1]
-	// 	} else {
-	// 		return host
-	// 	}
-	// }
+	if hostPartsLen == 2 {
+		if hostParts[0] == "www" {
+			return hostParts[1]
+		} else {
+			return host
+		}
+	}

-	// if hostPartsLen > 2 {
-	// 	return strings.Join(hostParts[hostPartsLen-2:], ".")
-	// }
+	if hostPartsLen > 2 {
+		return strings.Join(hostParts[hostPartsLen-2:], ".")
+	}

 	return host
 }
--- a/server/utils/validator.go
+++ b/server/utils/validator.go
@ -1,8 +1,31 @@
 package utils

-import "net/mail"
+import (
+	"net/mail"
+	"strings"
+
+	"github.com/authorizerdev/authorizer/server/constants"
+)

 func IsValidEmail(email string) bool {
 	_, err := mail.ParseAddress(email)
 	return err == nil
 }
+
+func IsValidRedirectURL(url string) bool {
+	if len(constants.ALLOWED_ORIGINS) == 1 && constants.ALLOWED_ORIGINS[0] == "*" {
+		return true
+	}
+
+	hasValidURL := false
+	urlDomain := GetDomainName(url)
+
+	for _, val := range constants.ALLOWED_ORIGINS {
+		if strings.Contains(val, urlDomain) {
+			hasValidURL = true
+			break
+		}
+	}
+
+	return hasValidURL
+}
--- a/server/utils/verificationToken.go
+++ b/server/utils/verificationToken.go
@ -9,6 +9,7 @@ import (

 type UserInfo struct {
 	Email string `json:"email"`
+	Host  string `json:"host"`
 }

 type CustomClaim struct {
@ -18,7 +19,7 @@ type CustomClaim struct {
 }

 // TODO convert tokenType to enum
-func CreateVerificationToken(email string, tokenType string) (string, error) {
+func CreateVerificationToken(email string, tokenType string, host string) (string, error) {
 	t := jwt.New(jwt.GetSigningMethod(constants.JWT_TYPE))

 	t.Claims = &CustomClaim{
@ -27,7 +28,7 @@ func CreateVerificationToken(email string, tokenType string) (string, error) {
 			ExpiresAt: time.Now().Add(time.Minute * 30).Unix(),
 		},
 		tokenType,
-		UserInfo{Email: email},
+		UserInfo{Email: email, Host: host},
 	}

 	return t.SignedString([]byte(constants.JWT_SECRET))
--- a/templates/app.tmpl
+++ b/templates/app.tmpl
@ -0,0 +1,17 @@
+<!DOCTYPE html>
+<html lang="en">
+  <head>
+    <meta charset="UTF-8" />
+    <meta http-equiv="X-UA-Compatible" content="IE=edge" />
+    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
+    <title>Document</title>
+    <link rel="stylesheet" href="/app/build/bundle.css">
+    <script>
+     window.__authorizer__ = {{.data}}
+    </script>
+  </head>
+  <body>
+    <div id="root"></div>
+    <script src="/app/build/bundle.js"></script>
+  </body>
+</html>