@atomicjolt/lti-client/dist/client/launch.js

Client Javascript libraries to handle LTI.

import { loadState } from "../libs/platform_storage";
async function validateLaunch(settings) {
    if (settings.ltiStorageParams) {
        // We have lti postMessage storage
        try {
            console.log("Using postMessage state validation");
            const state = await loadState(settings.state, settings.ltiStorageParams);
            if (state == settings.state) {
                return true;
            }
            return false;
        }
        catch (e) {
            console.error(e);
            return false;
        }
    }
    return false;
}
export async function ltiLaunch(settings) {
    if (!settings.stateVerified) {
        const result = await validateLaunch(settings);
        return result;
    }
    return true;
}
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