feat: Added Backend 'EtsyOAuth2' (#874)

* feat: Added Backend 'EtsyOAuth2'

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social_core/backends/etsy.py

@@ -0,0 +1,42 @@
+from .oauth import BaseOAuth2PKCE
+
+
+class EtsyOAuth2(BaseOAuth2PKCE):
+    name = "etsy"
+    ID_KEY = "user_id"
+    AUTHORIZATION_URL = "https://www.etsy.com/oauth/connect"
+    ACCESS_TOKEN_URL = "https://api.etsy.com/v3/public/oauth/token"
+    REFRESH_TOKEN_URL = "https://api.etsy.com/v3/public/oauth/token"
+    ACCESS_TOKEN_METHOD = "POST"
+    REQUEST_TOKEN_METHOD = "POST"
+    SCOPE_SEPARATOR = " "
+    EXTRA_DATA = [
+        ("refresh_token", "refresh_token"),
+        ("expires_in", "expires_in"),
+        ("token_type", "token_type"),
+        ("access_token", "access_token"),
+        # User Data Fields
+        ("primary_email", "primary_email"),
+        ("first_name", "first_name"),
+        ("last_name", "last_name"),
+        ("image_url_75x75", "image_url_75x75"),
+    ]
+
+    def user_data(self, access_token, *args, **kwargs) -> dict:
+        client_id, _ = self.get_key_and_secret()
+        user_id = access_token.split(".")[0]
+        headers = {"Authorization": f"Bearer {access_token}", "x-api-key": client_id}
+        return self.get_json(
+            url=f"https://openapi.etsy.com/v3/application/users/{user_id}",
+            headers=headers,
+        )
+
+    def get_user_details(self, response):
+        return {
+            "user_id": response["user_id"],
+            "first_name": response["first_name"],
+            "last_name": response["last_name"],
+            "email": response["primary_email"],
+            "image_url_75x75": response["image_url_75x75"],
+            "username": response["user_id"],
+        }

social_core/tests/backends/test_etsy.py

@@ -0,0 +1,86 @@
+import json
+
+from .oauth import OAuth2PkceS256Test
+
+
+class EtsyOAuth2Mixin:
+    backend_path = "social_core.backends.etsy.EtsyOAuth2"
+    access_token_body = json.dumps(
+        {
+            "access_token": "dummy_user_id.dummy_access_token",
+            "token_type": "bearer",
+            "expires_in": 3600,
+            "refresh_token": "dummy_user_id.dummy_refresh_token",
+        }
+    )
+    refresh_token_body = json.dumps(
+        {
+            "access_token": "dummy_user_id.dummy_access_token_refreshed",
+            "token_type": "bearer",
+            "expires_in": 3600,
+            "refresh_token": "dummy_user_id.dummy_refresh_token_refreshed",
+        }
+    )
+
+    user_data_url = "https://openapi.etsy.com/v3/application/users/dummy_user_id"
+    user_data_body = json.dumps(
+        {
+            "user_id": "dummy_user_id",
+            "primary_email": "amitray@developer.com",
+            "first_name": "Amit",
+            "last_name": "Ray",
+            "image_url_75x75": "http://www.gravatar.com/avatar/af7d968fe79ea45271e3100391824b79.jpg?s=48&d=mm",
+        }
+    )
+    expected_username = "dummy_user_id"
+
+    def test_login(self):
+        user = self.do_login()
+        self.assertEqual(len(user.social), 1)
+
+        social = user.social[0]
+        self.assertEqual(social.uid, "dummy_user_id")
+        self.assertEqual(social.extra_data["first_name"], "Amit")
+        self.assertEqual(social.extra_data["last_name"], "Ray")
+        self.assertEqual(social.extra_data["primary_email"], "amitray@developer.com")
+        self.assertEqual(
+            social.extra_data["image_url_75x75"],
+            "http://www.gravatar.com/avatar/af7d968fe79ea45271e3100391824b79.jpg?s=48&d=mm",
+        )
+        self.assertEqual(
+            social.extra_data["access_token"], "dummy_user_id.dummy_access_token"
+        )
+        self.assertEqual(social.extra_data["token_type"], "bearer")
+        self.assertEqual(social.extra_data["expires_in"], 3600)
+        self.assertEqual(
+            social.extra_data["refresh_token"], "dummy_user_id.dummy_refresh_token"
+        )
+
+    def test_refresh_token(self):
+        _, social = self.do_refresh_token()
+
+        self.assertEqual(social.uid, "dummy_user_id")
+        self.assertEqual(social.extra_data["first_name"], "Amit")
+        self.assertEqual(social.extra_data["last_name"], "Ray")
+        self.assertEqual(social.extra_data["primary_email"], "amitray@developer.com")
+        self.assertEqual(
+            social.extra_data["image_url_75x75"],
+            "http://www.gravatar.com/avatar/af7d968fe79ea45271e3100391824b79.jpg?s=48&d=mm",
+        )
+        self.assertEqual(
+            social.extra_data["access_token"],
+            "dummy_user_id.dummy_access_token_refreshed",
+        )
+        self.assertEqual(social.extra_data["token_type"], "bearer")
+        self.assertEqual(social.extra_data["expires_in"], 3600)
+        self.assertEqual(
+            social.extra_data["refresh_token"],
+            "dummy_user_id.dummy_refresh_token_refreshed",
+        )
+
+
+class EtsyOAuth2TestPkceS256(
+    EtsyOAuth2Mixin,
+    OAuth2PkceS256Test,
+):
+    pass