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flows: revert to sever-side redirects for security, pass querystring from client during flow plan

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Signed-off-by: Jens Langhammer <jens.langhammer@beryju.org>
This commit is contained in:
Jens Langhammer
2021-03-23 22:18:24 +01:00
parent d44dc00757
commit 5b8b973345
9 changed files with 32 additions and 85 deletions
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25
web/src/flows/FlowExecutor.ts
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@ -40,11 +40,8 @@ import { ifDefined } from "lit-html/directives/if-defined";
import { until } from "lit-html/directives/until";
import { TITLE_SUFFIX } from "../elements/router/RouterOutlet";
import { AccessDeniedChallenge } from "./access_denied/FlowAccessDenied";
import { getQueryVariables } from "./utils";
import { SpinnerSize } from "../elements/Spinner";
export const NEXT_ARG = "next";
@customElement("ak-flow-executor")
export class FlowExecutor extends LitElement implements StageHost {
@ -129,7 +126,8 @@ export class FlowExecutor extends LitElement implements StageHost {
});
this.loading = true;
new FlowsApi(DEFAULT_CONFIG).flowsExecutorGetRaw({
flowSlug: this.flowSlug
flowSlug: this.flowSlug,
query: window.location.search.substring(1),
}).then((challengeRaw) => {
return challengeRaw.raw.json();
}).then((challenge) => {
@ -168,29 +166,14 @@ export class FlowExecutor extends LitElement implements StageHost {
</div>`;
}
private redirect(challenge: RedirectChallenge): void {
// Check if there is a ?next arg and save it
// this is used for deep linking, if a user tries to access an application,
// but needs to authenticate first
const queryVars = getQueryVariables();
localStorage.clear();
if (NEXT_ARG in queryVars) {
const next = queryVars[NEXT_ARG];
console.debug("authentik/flows: redirecting to saved url", next);
window.location.assign(next);
return;
}
console.debug("authentik/flows: redirecting to url from server", challenge.to);
window.location.assign(challenge.to);
}
renderChallenge(): TemplateResult {
if (!this.challenge) {
return html``;
}
switch (this.challenge.type) {
case ChallengeTypeEnum.Redirect:
this.redirect(this.challenge as RedirectChallenge);
console.debug("authentik/flows: redirecting to url from server", (this.challenge as RedirectChallenge).to);
window.location.assign((this.challenge as RedirectChallenge).to);
return html`<ak-empty-state
?loading=${true}
header=${gettext("Loading")}>