Add template for Yahoo OIDC

lib/ConfigTemplate.php

@@ -23,4 +23,27 @@ class ConfigTemplate {
         // Improve log lines
         'label' => 'google'
     ];
+
+    const YahooOIDC = [
+        'authoauth2:OAuth2',
+        // *** Yahoo Endpoints ***
+        'urlAuthorize' => 'https://api.login.yahoo.com/oauth2/request_auth',
+        'urlAccessToken' => 'https://api.login.yahoo.com/oauth2/get_token',
+        'urlResourceOwnerDetails' => 'https://api.login.yahoo.com/openid/v1/userinfo',
+        'scopes' =>  array(
+            'openid',
+// Yahoo doesn't support standard OIDC claims, like email and profile
+//          'email',
+//          'profile',
+// Yahoo prefers the sdpp-w scope for getting acess to user's email, however it prompts user for write access. Leaving it
+// out makes things work fine IF you picked being able to edit private profile when creating your app
+//            'sdpp-w',
+        ),
+        'scopeSeparator' => ' ',
+        // Prefix attributes so we can use the standard oidc2name attributemap
+        'attributePrefix' => 'oidc.',
+
+        // Improve log lines
+        'label' => 'yahoo'
+    ];
 }
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