botbook/node_modules/@azure/static-web-apps-cli/dist/msha/auth/index.js

import { serializeCookie } from "../../core/utils/cookie.js";
import { logger } from "../../core/utils/logger.js";
import { response as newResponse } from "../../core/utils/net.js";
function getAuthPaths(isCustomAuth) {
    const paths = [];
    if (isCustomAuth) {
        paths.push({
            method: "GET",
            // only match for providers with custom auth support implemented (github, google)
            route: /^\/\.auth\/login\/(?<provider>github|google|dummy)\/callback(\?.*)?$/i,
            function: "auth-login-provider-callback",
        });
        paths.push({
            method: "GET",
            // only match for providers with custom auth support implemented (github, google)
            route: /^\/\.auth\/login\/(?<provider>github|google|dummy)(\?.*)?$/i,
            function: "auth-login-provider-custom",
        });
        paths.push({
            method: "GET",
            // For providers with custom auth support not implemented, revert to old behavior
            route: /^\/\.auth\/login\/(?<provider>aad|twitter|facebook|[a-z]+)(\?.*)?$/i,
            function: "auth-login-provider",
        });
        paths.push({
            method: "POST",
            route: /^\/\.auth\/complete(\?.*)?$/i,
            function: "auth-complete",
        });
    }
    else {
        paths.push({
            method: "GET",
            route: /^\/\.auth\/login\/(?<provider>aad|github|twitter|google|facebook|[a-z]+)(\?.*)?$/i,
            function: "auth-login-provider",
        });
    }
    paths.push({
        method: "GET",
        route: /^\/\.auth\/me(\?.*)?$/i,
        function: "auth-me",
    }, {
        method: "GET",
        route: /^\/\.auth\/logout(\?.*)?$/i,
        function: "auth-logout",
    }, {
        method: "GET",
        route: /^\/\.auth\/purge\/(?<provider>aad|github|twitter|google|facebook|[a-z]+)(\?.*)?$/i,
        // locally, all purge requests are processed as logout requests
        function: "auth-logout",
    });
    return paths;
}
async function routeMatcher(url = "/", customAuth) {
    const authPaths = getAuthPaths(!!customAuth);
    for (let index = 0; index < authPaths.length; index++) {
        const path = authPaths[index];
        const match = url.match(new RegExp(path.route));
        if (match) {
            let bindingData;
            if (match.groups?.provider) {
                bindingData = {
                    provider: match.groups.provider,
                };
            }
            const func = (await import(`./routes/${path.function}.js`)).default;
            return { func, bindingData };
        }
    }
    return { func: undefined, bindingData: undefined };
}
export async function processAuth(request, response, rewriteUrl, customAuth) {
    let defaultStatus = 200;
    const context = {
        invocationId: new Date().getTime().toString(36) + Math.random().toString(36).slice(2),
        bindingData: undefined,
        res: {},
    };
    const { func, bindingData } = await routeMatcher(rewriteUrl || request.url, customAuth);
    if (func) {
        context.bindingData = bindingData;
        try {
            await func(context, request, customAuth);
            for (const key in context.res.headers) {
                const element = context.res.headers[key];
                if (element) {
                    response.setHeader(key, element);
                }
            }
            // set auth cookies
            if (context.res.cookies) {
                const serializedCookies = context.res.cookies?.map((cookie) => {
                    if (cookie.expires) {
                        cookie.expires = new Date(cookie.expires);
                    }
                    return serializeCookie(cookie.name, cookie.value, cookie);
                });
                response.setHeader("Set-Cookie", serializedCookies);
            }
            // enable CORS for all requests
            response.setHeader("Access-Control-Allow-Origin", request.headers.origin || "*");
            response.setHeader("Access-Control-Allow-Methods", "GET,OPTIONS");
            response.setHeader("Access-Control-Allow-Credentials", "true");
            // set JSON response by default (if no content type was set)
            if (response.hasHeader("Content-Type") === false) {
                response.setHeader("Content-Type", "application/json");
            }
            // if response type is JSON, serialize body response
            if (response.getHeader("Content-Type")?.toString().includes("json") && typeof context.res.body === "object") {
                context.res.body = JSON.stringify(context.res.body);
            }
        }
        catch (error) {
            let errorMessage = `An error occurred while processing the request!`;
            if (error instanceof Error) {
                errorMessage = error.message;
            }
            logger.error(errorMessage);
            defaultStatus = 500;
            context.res = newResponse({
                context,
                status: 500,
                body: {
                    error: errorMessage,
                },
            });
        }
    }
    else {
        defaultStatus = 404;
        context.res = newResponse({
            context,
            status: 404,
            headers: { ["Content-Type"]: "text/plain" },
            body: "We couldn't find that page, please check the URL and try again.",
        });
    }
    const statusCode = context.res.status || defaultStatus;
    response.writeHead(statusCode);
    response.end(context.res.body);
    return statusCode;
}
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