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| /**
| * @param {string} value
| * @returns {RegExp}
| * */
|
| /**
| * @param {RegExp | string } re
| * @returns {string}
| */
| function source(re) {
| if (!re) return null;
| if (typeof re === "string") return re;
|
| return re.source;
| }
|
| /**
| * @param {...(RegExp | string) } args
| * @returns {string}
| */
| function concat(...args) {
| const joined = args.map((x) => source(x)).join("");
| return joined;
| }
|
| /**
| * Any of the passed expresssions may match
| *
| * Creates a huge this | this | that | that match
| * @param {(RegExp | string)[] } args
| * @returns {string}
| */
| function either(...args) {
| const joined = '(' + args.map((x) => source(x)).join("|") + ")";
| return joined;
| }
|
| /*
| Language: Apache Access Log
| Author: Oleg Efimov <efimovov@gmail.com>
| Description: Apache/Nginx Access Logs
| Website: https://httpd.apache.org/docs/2.4/logs.html#accesslog
| Audit: 2020
| */
|
| /** @type LanguageFn */
| function accesslog(_hljs) {
| // https://developer.mozilla.org/en-US/docs/Web/HTTP/Methods
| const HTTP_VERBS = [
| "GET",
| "POST",
| "HEAD",
| "PUT",
| "DELETE",
| "CONNECT",
| "OPTIONS",
| "PATCH",
| "TRACE"
| ];
| return {
| name: 'Apache Access Log',
| contains: [
| // IP
| {
| className: 'number',
| begin: /^\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3}(:\d{1,5})?\b/,
| relevance: 5
| },
| // Other numbers
| {
| className: 'number',
| begin: /\b\d+\b/,
| relevance: 0
| },
| // Requests
| {
| className: 'string',
| begin: concat(/"/, either(...HTTP_VERBS)),
| end: /"/,
| keywords: HTTP_VERBS,
| illegal: /\n/,
| relevance: 5,
| contains: [
| {
| begin: /HTTP\/[12]\.\d'/,
| relevance: 5
| }
| ]
| },
| // Dates
| {
| className: 'string',
| // dates must have a certain length, this prevents matching
| // simple array accesses a[123] and [] and other common patterns
| // found in other languages
| begin: /\[\d[^\]\n]{8,}\]/,
| illegal: /\n/,
| relevance: 1
| },
| {
| className: 'string',
| begin: /\[/,
| end: /\]/,
| illegal: /\n/,
| relevance: 0
| },
| // User agent / relevance boost
| {
| className: 'string',
| begin: /"Mozilla\/\d\.\d \(/,
| end: /"/,
| illegal: /\n/,
| relevance: 3
| },
| // Strings
| {
| className: 'string',
| begin: /"/,
| end: /"/,
| illegal: /\n/,
| relevance: 0
| }
| ]
| };
| }
|
| module.exports = accesslog;
|
|
