feat(#1003): oauth2 support - resourceOwnerPasswordCredentials, authorization code, client credentials (#1654)

* feat(#1003): oauth2 support
Co-authored-by: lohit-1 <lohit@usebruno.com>

packages/bruno-lang/v2/src/bruToJson.js

@@ -23,7 +23,7 @@ const { outdentString } = require('../../v1/src/utils');
  */
 const grammar = ohm.grammar(`Bru {
   BruFile = (meta | http | query | headers | auths | bodies | varsandassert | script | tests | docs)*
-  auths = authawsv4 | authbasic | authbearer | authdigest 
+  auths = authawsv4 | authbasic | authbearer | authdigest | authOAuth2
   bodies = bodyjson | bodytext | bodyxml | bodysparql | bodygraphql | bodygraphqlvars | bodyforms | body
   bodyforms = bodyformurlencoded | bodymultipart
 
@@ -80,6 +80,7 @@ const grammar = ohm.grammar(`Bru {
   authbasic = "auth:basic" dictionary
   authbearer = "auth:bearer" dictionary
   authdigest = "auth:digest" dictionary
+  authOAuth2 = "auth:oauth2" dictionary
 
   body = "body" st* "{" nl* textblock tagend
   bodyjson = "body:json" st* "{" nl* textblock tagend
@@ -380,6 +381,46 @@ const sem = grammar.createSemantics().addAttribute('ast', {
       }
     };
   },
+  authOAuth2(_1, dictionary) {
+    const auth = mapPairListToKeyValPairs(dictionary.ast, false);
+    const grantTypeKey = _.find(auth, { name: 'grant_type' });
+    const usernameKey = _.find(auth, { name: 'username' });
+    const passwordKey = _.find(auth, { name: 'password' });
+    const callbackUrlKey = _.find(auth, { name: 'callback_url' });
+    const authorizationUrlKey = _.find(auth, { name: 'authorization_url' });
+    const accessTokenUrlKey = _.find(auth, { name: 'access_token_url' });
+    const clientIdKey = _.find(auth, { name: 'client_id' });
+    const clientSecretKey = _.find(auth, { name: 'client_secret' });
+    const scopeKey = _.find(auth, { name: 'scope' });
+    return {
+      auth: {
+        oauth2:
+          grantTypeKey?.value && grantTypeKey?.value == 'password'
+            ? {
+                grantType: grantTypeKey ? grantTypeKey.value : '',
+                username: usernameKey ? usernameKey.value : '',
+                password: passwordKey ? passwordKey.value : ''
+              }
+            : grantTypeKey?.value && grantTypeKey?.value == 'authorization_code'
+            ? {
+                grantType: grantTypeKey ? grantTypeKey.value : '',
+                callbackUrl: callbackUrlKey ? callbackUrlKey.value : '',
+                authorizationUrl: authorizationUrlKey ? authorizationUrlKey.value : '',
+                accessTokenUrl: accessTokenUrlKey ? accessTokenUrlKey.value : '',
+                clientId: clientIdKey ? clientIdKey.value : '',
+                clientSecret: clientSecretKey ? clientSecretKey.value : '',
+                scope: scopeKey ? scopeKey.value : ''
+              }
+            : grantTypeKey?.value && grantTypeKey?.value == 'client_credentials'
+            ? {
+                grantType: grantTypeKey ? grantTypeKey.value : '',
+                clientId: clientIdKey ? clientIdKey.value : '',
+                clientSecret: clientSecretKey ? clientSecretKey.value : ''
+              }
+            : {}
+      }
+    };
+  },
   bodyformurlencoded(_1, dictionary) {
     return {
       body: {

packages/bruno-lang/v2/src/jsonToBru.js

@@ -126,6 +126,42 @@ ${indentString(`password: ${auth.digest.password}`)}
 `;
   }
 
+  if (auth && auth.oauth2) {
+    switch (auth?.oauth2?.grantType) {
+      case 'password':
+        bru += `auth:oauth2 {
+${indentString(`grant_type: password`)}
+${indentString(`username: ${auth.oauth2.username}`)}
+${indentString(`password: ${auth.oauth2.password}`)}
+}
+
+`;
+        break;
+      case 'authorization_code':
+        bru += `auth:oauth2 {
+${indentString(`grant_type: authorization_code`)}
+${indentString(`callback_url: ${auth.oauth2.callbackUrl}`)}
+${indentString(`authorization_url: ${auth.oauth2.authorizationUrl}`)}
+${indentString(`access_token_url: ${auth.oauth2.accessTokenUrl}`)}
+${indentString(`client_id: ${auth.oauth2.clientId}`)}
+${indentString(`client_secret: ${auth.oauth2.clientSecret}`)}
+${indentString(`scope: ${auth.oauth2.scope}`)}
+}
+
+`;
+        break;
+      case 'client_credentials':
+        bru += `auth:oauth2 {
+${indentString(`grant_type: client_credentials`)}
+${indentString(`client_id: ${auth.oauth2.clientId}`)}
+${indentString(`client_secret: ${auth.oauth2.clientSecret}`)}
+}
+
+`;
+        break;
+    }
+  }
+
   if (body && body.json && body.json.length) {
     bru += `body:json {
 ${indentString(body.json)}

packages/bruno-lang/v2/tests/fixtures/request.bru

@@ -45,6 +45,15 @@ auth:digest {
   password: secret
 }
 
+auth:oauth2 {
+  grantType: authorization_code
+  client_id: client_id_1
+  client_secret: client_secret_1
+  auth_url: http://localhost:8080/api/auth/oauth2/ac/authorize
+  callback_url: http://localhost:8080/api/auth/oauth2/ac/callback
+  access_token_url: http://localhost:8080/api/auth/oauth2/ac/token
+}
+
 body:json {
   {
     "hello": "world"

packages/bruno-lang/v2/tests/fixtures/request.json

@@ -63,6 +63,14 @@
     "digest": {
       "username": "john",
       "password": "secret"
+    },
+    "oauth2": {
+      "grantType": "authorization_code",
+      "client_id": "client_id_1",
+      "client_secret": "client_secret_1",
+      "auth_url": "http://localhost:8080/api/auth/oauth2/ac/authorize",
+      "callback_url": "http://localhost:8080/api/auth/oauth2/ac/callback",
+      "access_token_url": "http://localhost:8080/api/auth/oauth2/ac/token"
     }
   },
   "body": {