Make Picture Claim configureable

server/modules/authentication/oauth2/authentication.js

@@ -22,9 +22,7 @@ module.exports = {
       state: conf.enableCSRFProtection
     }, async (req, accessToken, refreshToken, profile, cb) => {
       try {
-        const picture = _.get(profile, 'picture',
-          _.get(profile, 'avatar',
-            _.get(profile, 'profile.picture', _.get(profile, 'profile.avatar', ''))))
+        const picture = _.get(profile, conf.pictureClaim, '')
         const user = await WIKI.models.users.processProfile({
           providerKey: req.params.strategy,
           profile: {
@@ -32,7 +30,7 @@ module.exports = {
             id: _.get(profile, conf.userIdClaim),
             displayName: _.get(profile, conf.displayNameClaim, '???'),
             email: _.get(profile, conf.emailClaim),
-            picture
+            picture: picture
           }
         })
         if (conf.mapGroups) {