Merge pull request #3254 from ProjectMirador/auth-refactor

Consolidate IIIF auth behaviors

src/state/selectors/canvases.js

 import { createSelector } from 'reselect';
-import { Utils } from 'manifesto.js/dist-esmodule/Utils';
 import flatten from 'lodash/flatten';
 import CanvasGroupings from '../../lib/CanvasGroupings';
 import MiradorCanvas from '../../lib/MiradorCanvas';
@@ -206,100 +205,3 @@ export const selectInfoResponse = createSelector(
     && infoResponses[iiifServiceId];
   },
 );
-
-const authServiceProfiles = {
-  clickthrough: true, external: true, kiosk: true, login: true,
-};
-/**
- *
- */
-export function selectNextAuthService({ auth }, resource, filter = authServiceProfiles) {
-  const orderedAuthServiceProfiles = [
-    'http://iiif.io/api/auth/1/external',
-    'http://iiif.io/api/auth/1/kiosk',
-    'http://iiif.io/api/auth/1/clickthrough',
-    'http://iiif.io/api/auth/1/login',
-  ];
-
-  const mapFilterToProfiles = {
-    'http://iiif.io/api/auth/1/clickthrough': 'clickthrough',
-    'http://iiif.io/api/auth/1/external': 'external',
-    'http://iiif.io/api/auth/1/kiosk': 'kiosk',
-    'http://iiif.io/api/auth/1/login': 'login',
-  };
-
-  for (const profile of orderedAuthServiceProfiles) {
-    const services = getServices(resource, profile);
-    for (const service of services) {
-      if (!auth[service.id]) {
-        return filter[mapFilterToProfiles[profile]] && service;
-      }
-
-      if (auth[service.id].isFetching || auth[service.id].ok) return null;
-    }
-  }
-
-  return null;
-}
-
-/** */
-export function selectActiveAuthService(state, resource) {
-  const orderedAuthServiceProfiles = [
-    'http://iiif.io/api/auth/1/login',
-    'http://iiif.io/api/auth/1/clickthrough',
-    'http://iiif.io/api/auth/1/kiosk',
-    'http://iiif.io/api/auth/1/external',
-  ];
-
-  for (const profile of orderedAuthServiceProfiles) {
-    const services = getServices(resource, profile);
-    const service = services.find(s => selectAuthStatus(state, s));
-    if (service) return service;
-  }
-
-  return null;
-}
-
-export const selectCanvasAuthService = createSelector(
-  [
-    selectInfoResponse,
-    state => state,
-  ],
-  (infoResponse, state) => {
-    const resource = infoResponse && infoResponse.json;
-
-    if (!resource) return undefined;
-
-    return selectNextAuthService(state, resource)
-      || selectActiveAuthService(state, resource);
-  },
-);
-
-export const selectLogoutAuthService = createSelector(
-  [
-    selectInfoResponse,
-    state => state,
-  ],
-  (infoResponse, state) => {
-    if (!infoResponse) return undefined;
-    const authService = selectActiveAuthService(state, infoResponse.json);
-    if (!authService) return undefined;
-    return authService.getService('http://iiif.io/api/auth/1/logout');
-  },
-);
-
-/** */
-export function selectAuthStatus({ auth }, service) {
-  if (!service) return null;
-  if (!auth[service.id]) return null;
-  if (auth[service.id].isFetching) return 'fetching';
-  if (auth[service.id].ok) return 'ok';
-  return 'failed';
-}
-
-/** Get all the services that match a profile */
-function getServices(resource, profile) {
-  const services = Utils.getServices({ ...resource, options: {} });
-
-  return services.filter(service => service.getProfile() === profile);
-}