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/*
This file is part of GNU Anastasis
(C) 2021-2022 Anastasis SARL
GNU Anastasis is free software; you can redistribute it and/or modify it under the
terms of the GNU Affero General Public License as published by the Free Software
Foundation; either version 3, or (at your option) any later version.
GNU Anastasis is distributed in the hope that it will be useful, but WITHOUT ANY
WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
A PARTICULAR PURPOSE. See the GNU Affero General Public License for more details.
You should have received a copy of the GNU Affero General Public License along with
GNU Anastasis; see the file COPYING. If not, see <http://www.gnu.org/licenses/>
*/
import { AuthenticationProviderStatus } from "@gnu-taler/anastasis-core";
import InvalidState from "../../../components/InvalidState.js";
import NoReducer from "../../../components/NoReducer.js";
import { Notification } from "../../../components/Notifications.js";
import { compose, StateViewMap } from "../../../utils/index.js";
import useComponentState from "./state.js";
import { WithoutProviderType, WithProviderType } from "./views.js";
export type AuthProvByStatusMap = Record<
AuthenticationProviderStatus["status"],
(AuthenticationProviderStatus & { url: string })[]
>;
export type State = NoReducer | InvalidState | WithType | WithoutType;
export interface NoReducer {
status: "no-reducer";
}
export interface InvalidState {
status: "invalid-state";
}
interface CommonProps {
addProvider?: () => Promise<void>;
deleteProvider: (url: string) => Promise<void>;
authProvidersByStatus: AuthProvByStatusMap;
error: string | undefined;
onCancel: () => Promise<void>;
testing: boolean;
setProviderURL: (url: string) => Promise<void>;
providerURL: string;
errors: string | undefined;
notifications: Notification[];
}
export interface WithType extends CommonProps {
status: "with-type";
providerLabel: string;
}
export interface WithoutType extends CommonProps {
status: "without-type";
}
const map: StateViewMap<State> = {
"no-reducer": NoReducer,
"invalid-state": InvalidState,
"with-type": WithProviderType,
"without-type": WithoutProviderType,
};
export default compose("AddingProviderScreen", useComponentState, map);
const providerResponseCache = new Map<string, any>(); // `any` is the return type of res.json()
export async function testProvider(
url: string,
expectedMethodType?: string,
): Promise<void> {
const testFatalPrefix = `Encountered a fatal error whilst testing the provider ${url}`;
let configUrl = "";
try {
configUrl = new URL("config", url).href;
} catch (error) {
throw new Error(`${testFatalPrefix}: Invalid Provider URL: ${url}
Error: ${error}`);
}
// TODO: look into using core.getProviderInfo :)
const providerHasUrl = providerResponseCache.has(url);
const json = providerHasUrl
? providerResponseCache.get(url)
: await fetch(configUrl)
.catch((error) => {
throw new Error(`${testFatalPrefix}: Could not connect: ${error}
Please check the URL.`);
})
.then(async (response) => {
if (!response.ok)
throw new Error(
`${testFatalPrefix}: The server ${response.url} responded with a non-2xx response.`,
);
try {
return await response.json();
} catch (error) {
throw new Error(
`${testFatalPrefix}: The server responded with malformed JSON.\nError: ${error}`,
);
}
});
if (typeof json !== "object")
throw new Error(
`${testFatalPrefix}: Did not get an object after decoding.`,
);
if (!("name" in json) || json.name !== "anastasis") {
throw new Error(
`${testFatalPrefix}: The provider does not appear to be an Anastasis provider. Please check the provider's URL.`,
);
}
if (!("methods" in json) || !Array.isArray(json.methods)) {
throw new Error(
"This provider doesn't have authentication method. Please check the provider's URL and ensure it is properly configured.",
);
}
if (!providerHasUrl) providerResponseCache.set(url, json);
if (!expectedMethodType) {
return;
}
let found = false;
for (let i = 0; i < json.methods.length && !found; i++) {
found = json.methods[i].type === expectedMethodType;
}
if (!found) {
throw new Error(
`${testFatalPrefix}: This provider does not support authentication method ${expectedMethodType}`,
);
}
return;
}
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