@sentry/nextjs/build/esm/config/withSentryConfig/tunnel.js

Official Sentry SDK for Next.js

import { _INTERNAL_safeMathRandom } from '@sentry/core';
import * as fs from 'fs';
import * as path from 'path';
import { TUNNEL_ROUTE_HANDLER_PATH } from '../../common/utils/tunnelPathnameMatch.js';
import { DEFAULT_PAGE_EXTENSIONS } from '../util.js';

function generateRandomTunnelRoute() {
  const randomString = _INTERNAL_safeMathRandom().toString(36).substring(2, 10);
  return `/${randomString}`;
}
function resolveTunnelRoute(tunnelRoute) {
  if (process.env.__SENTRY_TUNNEL_ROUTE__) {
    return process.env.__SENTRY_TUNNEL_ROUTE__;
  }
  const resolvedTunnelRoute = typeof tunnelRoute === "string" ? tunnelRoute : generateRandomTunnelRoute();
  if (resolvedTunnelRoute) {
    process.env.__SENTRY_TUNNEL_ROUTE__ = resolvedTunnelRoute;
  }
  return resolvedTunnelRoute;
}
function setUpTunnelRewriteRules(userNextConfig, tunnelPath) {
  const originalRewrites = userNextConfig.rewrites;
  const destinationOverride = process.env._SENTRY_TUNNEL_DESTINATION_OVERRIDE;
  const destination = destinationOverride || "https://o:orgid.ingest.sentry.io/api/:projectid/envelope/?hsts=0";
  const destinationWithRegion = destinationOverride || "https://o:orgid.ingest.:region.sentry.io/api/:projectid/envelope/?hsts=0";
  userNextConfig.rewrites = async (...args) => {
    const tunnelRouteRewrite = {
      // Matched rewrite routes will look like the following: `[tunnelPath]?o=[orgid]&p=[projectid]`
      // Nextjs will automatically convert `source` into a regex for us
      source: `${tunnelPath}(/?)`,
      has: [
        {
          type: "query",
          key: "o",
          // short for orgId - we keep it short so matching is harder for ad-blockers
          value: "(?<orgid>\\d*)"
        },
        {
          type: "query",
          key: "p",
          // short for projectId - we keep it short so matching is harder for ad-blockers
          value: "(?<projectid>\\d*)"
        }
      ],
      destination
    };
    const tunnelRouteRewriteWithRegion = {
      // Matched rewrite routes will look like the following: `[tunnelPath]?o=[orgid]&p=[projectid]?r=[region]`
      // Nextjs will automatically convert `source` into a regex for us
      source: `${tunnelPath}(/?)`,
      has: [
        {
          type: "query",
          key: "o",
          // short for orgId - we keep it short so matching is harder for ad-blockers
          value: "(?<orgid>\\d*)"
        },
        {
          type: "query",
          key: "p",
          // short for projectId - we keep it short so matching is harder for ad-blockers
          value: "(?<projectid>\\d*)"
        },
        {
          type: "query",
          key: "r",
          // short for region - we keep it short so matching is harder for ad-blockers
          value: "(?<region>[a-z]{2})"
        }
      ],
      destination: destinationWithRegion
    };
    const newRewrites = [tunnelRouteRewriteWithRegion, tunnelRouteRewrite];
    if (typeof originalRewrites !== "function") {
      return newRewrites;
    }
    const originalRewritesResult = await originalRewrites(...args);
    if (Array.isArray(originalRewritesResult)) {
      return [...newRewrites, ...originalRewritesResult];
    } else {
      return {
        ...originalRewritesResult,
        beforeFiles: [...newRewrites, ...originalRewritesResult.beforeFiles || []]
      };
    }
  };
}
function setUpTunnelHandlerRewrite(userNextConfig, tunnelPath) {
  const originalRewrites = userNextConfig.rewrites;
  const handlerRewrite = { source: tunnelPath, destination: TUNNEL_ROUTE_HANDLER_PATH };
  userNextConfig.rewrites = async () => {
    const originalRewritesResult = typeof originalRewrites === "function" ? await originalRewrites() : [];
    if (Array.isArray(originalRewritesResult)) {
      return { beforeFiles: [handlerRewrite], afterFiles: originalRewritesResult };
    }
    return {
      ...originalRewritesResult,
      beforeFiles: [handlerRewrite, ...originalRewritesResult.beforeFiles || []]
    };
  };
}
function findTunnelRouteHandlerFile(pageExtensions = DEFAULT_PAGE_EXTENSIONS, projectDir = process.cwd()) {
  const appDir = ["app", "src/app"].find((dir) => getStats(path.join(projectDir, dir))?.isDirectory());
  if (!appDir) {
    return void 0;
  }
  return pageExtensions.map((extension) => `${appDir}${TUNNEL_ROUTE_HANDLER_PATH}/route.${extension}`).find((file) => getStats(path.join(projectDir, file))?.isFile());
}
function getStats(filePath) {
  try {
    return fs.statSync(filePath);
  } catch {
    return void 0;
  }
}
function getTunnelRouteInjectedValues(userNextConfig, userSentryOptions, projectDir = process.cwd()) {
  const tunnelRoute = userSentryOptions?.tunnelRoute;
  if (typeof tunnelRoute !== "string" || !tunnelRoute || userNextConfig.output === "export") {
    return {};
  }
  return {
    _sentryRewritesTunnelPath: `${userNextConfig.basePath ?? ""}${tunnelRoute}`,
    _sentryTunnelRouteMode: findTunnelRouteHandlerFile(userNextConfig.pageExtensions, projectDir) ? "handler" : "rewrite"
  };
}

export { findTunnelRouteHandlerFile, getTunnelRouteInjectedValues, resolveTunnelRoute, setUpTunnelHandlerRewrite, setUpTunnelRewriteRules };
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