A generic OAuth 2 client plugin for Capacitor apps, enabling authentication with various providers without SDK dependencies.
Generic OAuth 2 is a Capacitor plugin that enables OAuth 2 authentication in cross-platform mobile and web apps. It solves the problem of integrating multiple identity providers by offering a single, configurable client that works with any OAuth 2-compliant service, eliminating the need for provider-specific SDKs.
Mobile and web developers using Capacitor or Ionic frameworks who need to add OAuth 2 login (e.g., via Google, Facebook, Azure) to their apps without locking into vendor SDKs.
Developers choose this plugin for its flexibility—it works with any OAuth 2 provider, enforces security best practices like PKCE, and reduces app bloat by avoiding multiple SDKs. It’s maintained by the Capacitor community and offers a consistent API across iOS, Android, and Web.
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Works with any OAuth 2-compliant provider by configuring parameters, avoiding dependency on multiple SDKs, as shown in examples for Google, Facebook, and Azure.
Offers a uniform API for iOS, Android, and Web/PWA, simplifying development across platforms with shared configuration options.
Enforces PKCE for secure authorization code flow and avoids client secrets in client code, adhering to OAuth best practices as emphasized in the README.
No external SDKs required for web, reducing JavaScript load and improving app performance, as noted in the platform-specific sections.
The logout() method is not currently functional, as admitted in the README with a link to issue #97, forcing developers to implement workarounds.
Setup involves platform-specific changes like Android manifest edits and iOS plist updates, which are tedious and error-prone, as detailed in the configuration guides.
Issues like boolean parameter handling on iOS (bug #111) and inconsistent flow support (e.g., code flow without PKCE not allowed) add development overhead.