feat(provider): Add Medium (#1213)

src/providers/index.js

@@ -20,6 +20,7 @@ import IdentityServer4 from './identity-server4'
 import LINE from './line'
 import LinkedIn from './linkedin'
 import MailRu from './mailru'
+import Medium from './medium'
 import Netlify from './netlify'
 import Okta from './okta'
 import Reddit from './reddit'
@@ -55,6 +56,7 @@ export default {
   LINE,
   LinkedIn,
   MailRu,
+  Medium,
   Netlify,
   Okta,
   Reddit,

src/providers/medium.js

@@ -0,0 +1,22 @@
+export default (options) => {
+  return {
+    id: 'medium',
+    name: 'Medium',
+    type: 'oauth',
+    version: '2.0',
+    scope: 'basicProfile',
+    params: { grant_type: 'authorization_code' },
+    accessTokenUrl: 'https://api.medium.com/v1/tokens',
+    authorizationUrl: 'https://medium.com/m/oauth/authorize?response_type=code',
+    profileUrl: 'https://api.medium.com/v1/me',
+    profile: (profile) => {
+      return {
+        id: profile.data.id,
+        name: profile.data.name,
+        email: null,
+        image: profile.data.imageUrl
+      }
+    },
+    ...options
+  }
+}

www/docs/providers/medium.md

@@ -0,0 +1,30 @@
+---
+id: medium
+title: Medium
+---
+
+## Documentation
+
+https://github.com/Medium/medium-api-docs
+
+## Configuration
+
+https://medium.com/me/applications
+
+## Example
+
+```js
+import Providers from `next-auth/providers`
+...
+providers: [
+  Providers.Medium({
+    clientId: process.env.MEDIUM_CLIENT_ID,
+    clientSecret: process.env.MEDIUM_CLIENT_SECRET
+  })
+}
+...
+```
+
+:::warning
+Email address is not returned by the Medium API.
+:::

www/providers.json

@@ -21,6 +21,7 @@
   "line": "LINE",
   "linkedin": "LinkedIn",
   "mailru": "Mail.ru",
+  "medium": "Medium",
   "netlify": "Netlify",
   "okta": "Okta",
   "reddit": "Reddit",