Initial commit to new repo

app/Services/IndieAuthService.php

@@ -0,0 +1,113 @@
+<?php
+
+namespace App\Services;
+
+class IndieAuthService
+{
+    /**
+     * Given a domain, determing the assocaited authorization endpoint,
+     * if one exists.
+     *
+     * @param  string The domain
+     * @param  \IndieAuth\Client $client
+     * @return string|null
+     */
+    public function getAuthorizationEndpoint($domain, $client)
+    {
+        return $client->discoverAuthorizationEndpoint($client->normalizeMeURL($domain));
+    }
+
+    /**
+     * Given an authorization endpoint, build the appropriate authorization URL.
+     *
+     * @param  string $authEndpoint
+     * @param  string $domain
+     * @param  \IndieAuth\Client $client
+     * @return string
+     */
+    public function buildAuthorizationURL($authEndpoint, $domain, $client)
+    {
+        $domain = $client->normalizeMeURL($domain);
+        $state = bin2hex(openssl_random_pseudo_bytes(16));
+        session(['state' => $state]);
+        $redirectURL = config('app.url') . '/indieauth';
+        $clientId = config('app.url') . '/notes/new';
+        $scope = 'post';
+        $authorizationURL = $client->buildAuthorizationURL(
+            $authEndpoint,
+            $domain,
+            $redirectURL,
+            $clientId,
+            $state,
+            $scope
+        );
+
+        return $authorizationURL;
+    }
+
+    /**
+     * Discover the token endpoint for a given domain.
+     *
+     * @param  string The domain
+     * @param  \IndieAuth\Client $client
+     * @return string|null
+     */
+    public function getTokenEndpoint($domain, $client)
+    {
+        return $client->discoverTokenEndpoint($domain);
+    }
+
+    /**
+     * Retrieve a token from the token endpoint.
+     *
+     * @param  array The relavent data
+     * @param  \IndieAuth\Client $client
+     * @return array
+     */
+    public function getAccessToken(array $data, $client)
+    {
+        return $client->getAccessToken(
+            $data['endpoint'],
+            $data['code'],
+            $data['me'],
+            $data['redirect_url'],
+            $data['client_id'],
+            $data['state']
+        );
+    }
+
+    /**
+     * Determine the Authorization endpoint, then verify the suplied code is
+     * valid.
+     *
+     * @param  array The data.
+     * @param  \IndieAuth\Client $client
+     * @return array|null
+     */
+    public function verifyIndieAuthCode(array $data, $client)
+    {
+        $authEndpoint = $client->discoverAuthorizationEndpoint($data['me']);
+        if ($authEndpoint) {
+            return $client->verifyIndieAuthCode(
+                $authEndpoint,
+                $data['code'],
+                $data['me'],
+                $data['redirect_url'],
+                $data['client_id'],
+                $data['state']
+            );
+        }
+    }
+
+    /**
+     * Determine the micropub endpoint.
+     *
+     * @param  string $domain
+     * @param  \IndieAuth\Client $client
+     * @return string The endpoint
+     */
+    public function discoverMicropubEndpoint($domain, $client)
+    {
+        return $client->discoverMicropubEndpoint($client->normalizeMeURL($domain));
+    }
+}