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Library for login with LinkedIn OAuth V2 service with OpedID. This library helps you to implement authorization with LinkedIn OAuth API's.

linkedin_login #

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  • (Implemented in version of 3.0.0 of this library) A Flutter library for LinkedIn OAuth 2.0 APIs .
  • (Deprecated from LinkedIn and removed from this library after v3.0.0) A Flutter library for LinkedIn OAuth 2.0 APIs .
  • This library is using authorization from LinkedIn API

⭐⭐⭐⭐ Star ⭐⭐⭐⭐ a repo if you like project. Your support matters to us.⭐⭐⭐⭐

Installation #

Important #

You should replace this values

final String redirectUrl = 'YOUR-REDIRECT-URL';
final String clientId = 'YOUR-CLIENT-ID';
final String clientSecret = 'YOUR-CLIENT-SECRET';

Note: clientSecret field is required just for LinkedInUserWidget

Hybrid Composition vs Virtual displays (Android only) #

To get these values you need to create App on the LinkedIn.

  • Please check your minSdkVersion for different setup: -- If you are using Hybrid Composition (default from version 2.1.0) your minSdkVersion should be at least 19 -- If you want to use Virtual displays (default before version 2.1.0) your minSdkVersion should be at least 20

To read more why this lib needs to use one of these two modes please visit docs of webview_flutter

Migration from 2.x.x library to 3.x.x #

Since LinkedIn introduce new way of signing in with LinkedIn called "Sign In with LinkedIn using OpenID Connect" and they are deprecating and removing "Sign In with LinkedIn" from product list (see LinkedIn console where you have created your app) this library needs to have few breaking changes duo change of architecture. Sorry for that in advance.

  • Projection property no longer exists since /me API is removed and from now on library is using /userinfo docs
  • Previous scopes are removed (r_emailaddress, r_liteprofile) and introduces new ones: openid, email, profile
  • All fields on user response are flatten (see example project) and some are not existing anymore
  • Response that you can get from LinkedIn with new API looks like this
{
    "sub": "xxxx",
    "email_verified": true,
    "name": "xxxx",
    "locale": {
        "country": "US",
        "language": "en"
    },
    "given_name": "xxxx",
    "family_name": "xxxx",
    "email": "xxxx",
    "picture": "xxxx"
}

For more details about this change you can navigate to this issue

Samples #

You can see full example under this project.

Call LinkedIn authorization and get user object:

    LinkedInUserWidget(
       redirectUrl: redirectUrl,
       clientId: clientId,
       clientSecret: clientSecret,
       onGetUserProfile:
           (UserSucceededAction linkedInUser) {
                print('Access token ${linkedInUser.user.token}');
                print('First name: ${linkedInUser.user.givenName}');
                print('Last name: ${linkedInUser.user.familyName}');
       },
       onError: (UserFailedAction e) {
                print('Error: ${e.toString()}');
       },
    )

Or you can just fetch authorization code (clientSecret is not required in this widget):

    LinkedInAuthCodeWidget(
        redirectUrl: redirectUrl,
        clientId: clientId,
        onGetAuthCode:
            (AuthorizationSucceededAction response) {
                print('Auth code ${response.codeResponse.code}');
                print('State: ${response.codeResponse.state}');
            },
        onError: (AuthorizationFailedAction e) {
                print('Error: ${e.toString()}');
             },
    ),

If you want to logout user (to clear session from webview) all you need is to forward true value to property destroySession in LinkedInUserWidget or LinkedInAuthCodeWidget. Please don't forget to destroy your data in your local storage for this user. Currently, LinkedIn doesn't have API point on OAuth 2 which will destroy access token.

Properties that are available after call for LinkedInUserWidget #

  String name;
  String familyName;
  String givenName;
  bool isEmailVerified;
  String sub;
  String accessToken;
  int expiresIn;
  String picture;
  String email;
  LinkedInPreferredLocal locale; (from version 0.1.)

Projection - No longer used duo deprecation and migration to OpenId #

Available from version 1.2.x #

Scopes - Enables you to define whatever scope you are needed #

Available from version 2.3.1 #

r_emailaddress and r_liteprofile scopes will be removed from LinkedIn after 30 of November and they are removed from library after 3.x.x version.

Now you should add under "Products" -> "Sign In With LinkedIn using OpenID Connect"

https://www.linkedin.com/developers/apps/{REPLACE_WITH_ID_OF_YOUR_APP}/products

OpenId is requiring openid scope with in combination of at least Email or Profile scope, but by default this library is adding three scopes

  final scopes = const [
    OpenIdScope(),
    EmailScope(),
    ProfileScope(),
  ],

You are also able to create custom scopes by extending Scope class

class CustomScope extends Scope {
  const CustomScope() : super('whatever_scope_of_name_to_map_with_linkedin_api');
}

However please take in consideration limitations of this library under section known limitations inside this file.

Properties that are available after call for LinkedInAuthCodeWidget #

  String code; // authorization code
  String state;

Widgets #

Standard LinkedIn button for login. This widget is modifiable.

LinkedInButtonStandardWidget(onTap: () {});

Contribution #

  • To regenerate mocks and generated files please run:
flutter packages pub run build_runner build --delete-conflicting-outputs

Known Limitations #

  • Best and shortest explanation why library is not supporting this is hidden behind this (comment)[https://github.com/d3xt3r2909/linkedin_login/issues/28#issuecomment-673357716]
  • If you have (access)[https://stackoverflow.com/a/57979607/6074443] to (developer partner program)[https://linkedin.zendesk.com/hc/en-us] I would really appreciate if you could submit pull request on this feature.

Firebase

  • As Firebase is not supporting LinkedIn out of the box this is not implemented inside the library and its heavy consuming time to implement custom solution, anyhow if someone is willing to submit PR I would really love to approve it

Web

  • Web is still not supported at it requires a lot of JS work, as LinkedIn doesn't allow that their API is injected into iFrame
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Library for login with LinkedIn OAuth V2 service with OpedID. This library helps you to implement authorization with LinkedIn OAuth API's.

Repository (GitHub)
View/report issues

Documentation

API reference

License

MIT (LICENSE)

Dependencies

flutter, http, meta, rxdart, uuid, webview_flutter, webview_flutter_android, webview_flutter_wkwebview

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