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[Authentication & Authorization](/categories/authentication) 4. / 5. groton-school/slim-oauth2-api-proxy ActiveLibrary[Authentication & Authorization](/categories/authentication) groton-school/slim-oauth2-api-proxy =================================== Server-side actions and routes for authenticating to and accessing an REST API from a web client 3.1.4(8mo ago)0289[4 issues](https://github.com/groton-school/slim-oauth2-api-proxy/issues)[1 PRs](https://github.com/groton-school/slim-oauth2-api-proxy/pulls)2GPL-3.0PHPCI passing Since Aug 17Pushed 5mo agoCompare [ Source](https://github.com/groton-school/slim-oauth2-api-proxy)[ Packagist](https://packagist.org/packages/groton-school/slim-oauth2-api-proxy)[ RSS](/packages/groton-school-slim-oauth2-api-proxy/feed)WikiDiscussions main Synced today READMEChangelogDependencies (14)Versions (14)Used By (2) groton-school/slim-oauth2-api-proxy =================================== [](#groton-schoolslim-oauth2-api-proxy) Server-side actions and routes for authenticating to and accessing an REST API from a web client [![Latest Version](https://camo.githubusercontent.com/1de8134fe4ca238c6525e81274c3985f2989e4acc639852046ce43ef7dc584ac/68747470733a2f2f696d672e736869656c64732e696f2f7061636b61676973742f762f67726f746f6e2d7363686f6f6c2f736c696d2d6f61757468322d6170692d70726f78792e737667)](https://packagist.org/packages/groton-school/slim-oauth2-api-proxy) Install ------- [](#install) ``` composer require groton-school/oauth2-api-proxy ``` Use --- [](#use) Due to [CORS](https://developer.mozilla.org/en-US/docs/Web/HTTP/Guides/CORS) restrictions, a web app can't directly access an arbitrary REST API. This package provides a server-side proxy for the web client to use to access the REST API, storing the the user's API access tokens on the client side as web cookies. 1. Implement `ProviderInterface`. This is intended to be done with one of the [`League/oauth2-client`](https://oauth2-client.thephpleague.com) implementations. See [groton-school/slim-canvas-api-proxy](https://github.com/groton-school/slim-canvas-api-proxy#readme) for a concrete example (which makes use of the `Defaults` traits provided for convenience). 2. [Inject the implementation as a dependency.](https://github.com/groton-school/slim-skeleton/blob/0810344ec844912300e3834984d6a16893cde921/app/dependencies.php#L60-L68) (Of course, make sure that you store your API credentials somewhere secure!) 3. [use `RouteBuilder` to define the necessary routes.](https://github.com/groton-school/slim-skeleton/blob/0810344ec844912300e3834984d6a16893cde921/app/routes.php#L23-L24) 4. Access the client from a web app. A concrete example of this is [@groton/canvas-api.client.web](https://npmjs.com/package/@groton/canvas-api.client.web). ### groton-school/slim-skeleton@dev-gae/lti-tool\_canvas-api-proxy [](#groton-schoolslim-skeletondev-gaelti-tool_canvas-api-proxy) [groton-school/slim-skeleton's gae/lti-tool\_canvas-api-proxy](https://github.com/groton-school/slim-skeleton/tree/gae/lti-tool_canvas-api-proxy) is the canonical example of how this shim is meant to be used. ### Health Score 35 — LowBetter than 77% of packages Maintenance67 Regular maintenance activity Popularity11 Limited adoption so far Community10 Small or concentrated contributor base Maturity44 Maturing project, gaining track record Bus Factor1 Top contributor holds 100% of commits — single point of failure How is this calculated?**Maintenance (25%)** — Last commit recency, latest release date, and issue-to-star ratio. Uses a 2-year decay window. **Popularity (30%)** — Total and monthly downloads, GitHub stars, and forks. Logarithmic scaling prevents top-heavy scores. **Community (15%)** — Contributors, dependents, forks, watchers, and maintainers. Measures real ecosystem engagement. **Maturity (30%)** — Project age, version count, PHP version support, and release stability. ### Release Activity Cadence Every ~6 days Total 12 Last Release 252d ago Major Versions 1.0.3 → 2.0.02025-09-09 2.0.0 → 3.0.02025-09-18 ### Community Maintainers ![](https://www.gravatar.com/avatar/d0554a28104c65004c6de4d335ada25cf2763c8a9691dc5611314486d461fa4c?d=identicon)[battis](/maintainers/battis) --- Top Contributors [![battis](https://avatars.githubusercontent.com/u/419619?v=4)](https://github.com/battis "battis (66 commits)") --- Tags cors-proxyoauth2-clientrest-apirestful-apislim-frameworkslim4 ### Code Quality Code StylePHP CS Fixer ### Embed Badge ![Health badge](/badges/groton-school-slim-oauth2-api-proxy/health.svg) ``` [![Health](https://phpackages.com/badges/groton-school-slim-oauth2-api-proxy/health.svg)](https://phpackages.com/packages/groton-school-slim-oauth2-api-proxy) ``` ### Alternatives [tempest/framework The PHP framework that gets out of your way. 2.2k34.4k15](/packages/tempest-framework)[symfony/symfony The Symfony PHP framework 31.4k87.2M2.2k](/packages/symfony-symfony)[laravel/framework The Laravel Framework. 34.8k543.8M20.1k](/packages/laravel-framework)[matomo/matomo Matomo is the leading Free/Libre open analytics platform 21.7k38.9k](/packages/matomo-matomo)[civicrm/civicrm-core Open source constituent relationship management for non-profits, NGOs and advocacy organizations. 751291.4k43](/packages/civicrm-civicrm-core)[typo3/cms TYPO3 CMS is a free open source Content Management Framework initially created by Kasper Skaarhoj and licensed under GNU/GPL. 1.2k1.9M122](/packages/typo3-cms) PHPackages © 2026 [Directory](/)[Categories](/categories)[Trending](/trending)[Changelog](/changelog)[Analyze](/analyze)