UNPKG

next

Version:

The React Framework

292 lines (291 loc) • 10.6 kB
"use strict"; Object.defineProperty(exports, "__esModule", { value: true }); 0 && (module.exports = { compileNonPath: null, matchHas: null, parseDestination: null, prepareDestination: null }); function _export(target, all) { for(var name in all)Object.defineProperty(target, name, { enumerable: true, get: all[name] }); } _export(exports, { compileNonPath: function() { return compileNonPath; }, matchHas: function() { return matchHas; }, parseDestination: function() { return parseDestination; }, prepareDestination: function() { return prepareDestination; } }); const _escaperegexp = require("../../escape-regexp"); const _parseurl = require("./parse-url"); const _interceptionroutes = require("./interception-routes"); const _getcookieparser = require("../../../../server/api-utils/get-cookie-parser"); const _routematchutils = require("./route-match-utils"); /** * Ensure only a-zA-Z are used for param names for proper interpolating * with path-to-regexp */ function getSafeParamName(paramName) { let newParamName = ''; for(let i = 0; i < paramName.length; i++){ const charCode = paramName.charCodeAt(i); if (charCode > 64 && charCode < 91 || // A-Z charCode > 96 && charCode < 123 // a-z ) { newParamName += paramName[i]; } } return newParamName; } function escapeSegment(str, segmentName) { return str.replace(new RegExp(`:${(0, _escaperegexp.escapeStringRegexp)(segmentName)}`, 'g'), `__ESC_COLON_${segmentName}`); } function unescapeSegments(str) { return str.replace(/__ESC_COLON_/gi, ':'); } function matchHas(req, query, has = [], missing = []) { const params = {}; const hasMatch = (hasItem)=>{ let value; let key = hasItem.key; switch(hasItem.type){ case 'header': { key = key.toLowerCase(); value = req.headers[key]; break; } case 'cookie': { if ('cookies' in req) { value = req.cookies[hasItem.key]; } else { const cookies = (0, _getcookieparser.getCookieParser)(req.headers)(); value = cookies[hasItem.key]; } break; } case 'query': { value = query[key]; break; } case 'host': { const { host } = req?.headers || {}; // remove port from host if present const hostname = host?.split(':', 1)[0].toLowerCase(); value = hostname; break; } default: { break; } } if (!hasItem.value && value) { params[getSafeParamName(key)] = value; return true; } else if (value) { const matcher = new RegExp(`^${hasItem.value}$`); const matches = Array.isArray(value) ? value.slice(-1)[0].match(matcher) : value.match(matcher); if (matches) { if (Array.isArray(matches)) { if (matches.groups) { Object.keys(matches.groups).forEach((groupKey)=>{ params[groupKey] = matches.groups[groupKey]; }); } else if (hasItem.type === 'host' && matches[0]) { params.host = matches[0]; } } return true; } } return false; }; const allMatch = has.every((item)=>hasMatch(item)) && !missing.some((item)=>hasMatch(item)); if (allMatch) { return params; } return false; } function compileNonPath(value, params) { if (!value.includes(':')) { return value; } for (const key of Object.keys(params)){ if (value.includes(`:${key}`)) { value = value.replace(new RegExp(`:${key}\\*`, 'g'), `:${key}--ESCAPED_PARAM_ASTERISKS`).replace(new RegExp(`:${key}\\?`, 'g'), `:${key}--ESCAPED_PARAM_QUESTION`).replace(new RegExp(`:${key}\\+`, 'g'), `:${key}--ESCAPED_PARAM_PLUS`).replace(new RegExp(`:${key}(?!\\w)`, 'g'), `--ESCAPED_PARAM_COLON${key}`); } } value = value.replace(/(:|\*|\?|\+|\(|\)|\{|\})/g, '\\$1').replace(/--ESCAPED_PARAM_PLUS/g, '+').replace(/--ESCAPED_PARAM_COLON/g, ':').replace(/--ESCAPED_PARAM_QUESTION/g, '?').replace(/--ESCAPED_PARAM_ASTERISKS/g, '*'); // the value needs to start with a forward-slash to be compiled // correctly return (0, _routematchutils.safeCompile)(`/${value}`, { validate: false })(params).slice(1); } function parseDestination(args) { let escaped = args.destination; for (const param of Object.keys({ ...args.params, ...args.query })){ if (!param) continue; escaped = escapeSegment(escaped, param); } const parsed = (0, _parseurl.parseUrl)(escaped); let pathname = parsed.pathname; if (pathname) { pathname = unescapeSegments(pathname); } let href = parsed.href; if (href) { href = unescapeSegments(href); } let hostname = parsed.hostname; if (hostname) { hostname = unescapeSegments(hostname); } let hash = parsed.hash; if (hash) { hash = unescapeSegments(hash); } let search = parsed.search; if (search) { search = unescapeSegments(search); } let origin = parsed.origin; if (origin) { origin = unescapeSegments(origin); } return { ...parsed, pathname, hostname, href, hash, search, origin }; } function prepareDestination(args) { const parsedDestination = parseDestination(args); const { hostname: destHostname, query: destQuery, search: destSearch } = parsedDestination; // The following code assumes that the pathname here includes the hash if it's // present. let destPath = parsedDestination.pathname; if (parsedDestination.hash) { destPath = `${destPath}${parsedDestination.hash}`; } const destParams = []; const destPathParamKeys = []; (0, _routematchutils.safePathToRegexp)(destPath, destPathParamKeys); for (const key of destPathParamKeys){ destParams.push(key.name); } if (destHostname) { const destHostnameParamKeys = []; (0, _routematchutils.safePathToRegexp)(destHostname, destHostnameParamKeys); for (const key of destHostnameParamKeys){ destParams.push(key.name); } } const destPathCompiler = (0, _routematchutils.safeCompile)(destPath, // we don't validate while compiling the destination since we should // have already validated before we got to this point and validating // breaks compiling destinations with named pattern params from the source // e.g. /something:hello(.*) -> /another/:hello is broken with validation // since compile validation is meant for reversing and not for inserting // params from a separate path-regex into another { validate: false }); let destHostnameCompiler; if (destHostname) { destHostnameCompiler = (0, _routematchutils.safeCompile)(destHostname, { validate: false }); } // update any params in query values for (const [key, strOrArray] of Object.entries(destQuery)){ // the value needs to start with a forward-slash to be compiled // correctly if (Array.isArray(strOrArray)) { destQuery[key] = strOrArray.map((value)=>compileNonPath(unescapeSegments(value), args.params)); } else if (typeof strOrArray === 'string') { destQuery[key] = compileNonPath(unescapeSegments(strOrArray), args.params); } } // add path params to query if it's not a redirect and not // already defined in destination query or path let paramKeys = Object.keys(args.params).filter((name)=>name !== 'nextInternalLocale'); if (args.appendParamsToQuery && !paramKeys.some((key)=>destParams.includes(key))) { for (const key of paramKeys){ if (!(key in destQuery)) { destQuery[key] = args.params[key]; } } } let newUrl; // The compiler also that the interception route marker is an unnamed param, hence '0', // so we need to add it to the params object. if ((0, _interceptionroutes.isInterceptionRouteAppPath)(destPath)) { for (const segment of destPath.split('/')){ const marker = _interceptionroutes.INTERCEPTION_ROUTE_MARKERS.find((m)=>segment.startsWith(m)); if (marker) { if (marker === '(..)(..)') { args.params['0'] = '(..)'; args.params['1'] = '(..)'; } else { args.params['0'] = marker; } break; } } } try { newUrl = destPathCompiler(args.params); const [pathname, hash] = newUrl.split('#', 2); if (destHostnameCompiler) { parsedDestination.hostname = destHostnameCompiler(args.params); } parsedDestination.pathname = pathname; parsedDestination.hash = `${hash ? '#' : ''}${hash || ''}`; parsedDestination.search = destSearch ? compileNonPath(destSearch, args.params) : ''; } catch (err) { if (err.message.match(/Expected .*? to not repeat, but got an array/)) { throw Object.defineProperty(new Error(`To use a multi-match in the destination you must add \`*\` at the end of the param name to signify it should repeat. https://nextjs.org/docs/messages/invalid-multi-match`), "__NEXT_ERROR_CODE", { value: "E329", enumerable: false, configurable: true }); } throw err; } // Query merge order lowest priority to highest // 1. initial URL query values // 2. path segment values // 3. destination specified query values parsedDestination.query = { ...args.query, ...parsedDestination.query }; return { newUrl, destQuery, parsedDestination }; } //# sourceMappingURL=prepare-destination.js.map