Add LinkedIn auth provider (strapi#7490)

* Add LinkedIn auth provider Signed-off-by: Khalid Elshafie <abolkog@gmail.com> Signed-off-by: Garrett Fritz <garrettfritz@garretts-mbp.home>
gfritzdev · Sep 7, 2020 · 1bdce04 · 1bdce04
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diff --git a/docs/v3.x/plugins/users-permissions.md b/docs/v3.x/plugins/users-permissions.md
@@ -493,6 +493,40 @@ The use of `ngrok` is not needed.
 
 :::
 
+::: tab LinkedIn
+
+#### Using ngrok
+
+LinkedIn accepts the `localhost` urls. <br>
+The use of `ngrok` is not needed.
+
+#### LinkedIn configuration
+
+- Visit the Apps list page <br> [https://www.linkedin.com/developers/apps](https://www.linkedin.com/developers/apps)
+- Click on **Create app** button
+- Fill the information:
+  - **App name**: Strapi auth
+  - **LinkedIn Page**: Enter a LinkedIn page name to associate with the app or click **Create a new LinkedIn Page** to create a new one
+  - **App Logo**: Upload a square image that is at least 100x100 pixels.
+- Click on the **Create app** to create the app
+- On the app page click on **Auth** tab
+- Fill the information:
+  - **Authorized redirect URL**: `http://localhost:1337/connect/linkedin/callback`
+- On the app page click on **Products** tab.
+- Select `Sign In with LinkedIn` from the product list to enable it.
+
+#### Strapi configuration
+
+- Visit the User Permissions provider settings page <br> [http://localhost:1337/admin/plugins/users-permissions/providers](http://localhost:1337/admin/plugins/users-permissions/providers)
+- Click on the **LinkedIn** provider
+- Fill the information:
+  - **Enable**: `ON`
+  - **Client ID**: 84witsxk641rlv
+  - **Client Secret**: HdXO7a7mkrU5a6WN
+  - **The redirect URL to your front-end app**: `http://localhost:3000/connect/linkedin/redirect`
+
+:::
+
 ::::
 
 Your configuration is done.

diff --git a/packages/strapi-plugin-users-permissions/config/functions/bootstrap.js b/packages/strapi-plugin-users-permissions/config/functions/bootstrap.js
@@ -94,6 +94,14 @@ module.exports = async () => {
       callback: `${strapi.config.server.url}/auth/twitch/callback`,
       scope: ['user:read:email'],
     },
+    linkedin: {
+      enabled: false,
+      icon: 'linkedin',
+      key: '',
+      secret: '',
+      callback: `${strapi.config.server.url}/auth/linkedin/callback`,
+      scope: ['r_liteprofile', 'r_emailaddress'],
+    },
   };
   const prevGrantConfig = (await pluginStore.get({ key: 'grant' })) || {};
   // store grant auth config to db

diff --git a/packages/strapi-plugin-users-permissions/services/Providers.js b/packages/strapi-plugin-users-permissions/services/Providers.js
@@ -386,6 +386,69 @@ const getProfile = async (provider, query, callback) => {
         });
       break;
     }
+    case 'linkedin': {
+      const linkedIn = purest({
+        provider: 'linkedin',
+        config: {
+          linkedin: {
+            'https://api.linkedin.com': {
+              __domain: {
+                auth: [{ auth: { bearer: '[0]' } }],
+              },
+              '[version]/{endpoint}': {
+                __path: {
+                  alias: '__default',
+                  version: 'v2',
+                },
+              },
+            },
+          },
+        },
+      });
+      try {
+        const getDetailsRequest = () => {
+          return new Promise((resolve, reject) => {
+            linkedIn
+              .query()
+              .get('me')
+              .auth(access_token)
+              .request((err, res, body) => {
+                if (err) {
+                  return reject(err);
+                }
+                resolve(body);
+              });
+          });
+        };
+
+        const getEmailRequest = () => {
+          return new Promise((resolve, reject) => {
+            linkedIn
+              .query()
+              .get('emailAddress?q=members&projection=(elements*(handle~))')
+              .auth(access_token)
+              .request((err, res, body) => {
+                if (err) {
+                  return reject(err);
+                }
+                resolve(body);
+              });
+          });
+        };
+
+        const { localizedFirstName } = await getDetailsRequest();
+        const { elements } = await getEmailRequest();
+        const email = elements[0]['handle~'];
+
+        callback(null, {
+          username: localizedFirstName,
+          email: email.emailAddress,
+        });
+      } catch (err) {
+        callback(err);
+      }
+      break;
+    }
     default:
       callback({
         message: 'Unknown provider.',