| 49 | } | 50 | } |
| 50 | | 51 | |
| 51 | /** | 52 | /** |
| 52 | * Checks if a string is a valid hostname according to RFC 1123 | | |
| 53 | * @param {string} hostname The string to test | | |
| 54 | * @returns {boolean} True if the string is a valid hostname | | |
| 55 | */ | | |
| 56 | function isValidHostname(hostname) { | | |
| 57 | const hostnameRegex = /^(([a-z0-9]|[a-z0-9][a-z0-9-]*[a-z0-9])\.)*([a-z0-9]|[a-z0-9][a-z0-9-]*[a-z0-9])$/i; | | |
| 58 | return hostnameRegex.test(hostname); | | |
| 59 | } | | |
| 60 | | | |
| 61 | /** | | |
| 62 | * Checks if a string is an IP address, CIDR notation, or IP wildcard | | |
| 63 | * @param {string} entry The string to test | | |
| 64 | * @returns {boolean} True if the string matches any IP format | | |
| 65 | */ | | |
| 66 | function isIpFormat(entry) { | | |
| 67 | // Match CIDR notation (e.g. 192.168.0.0/24) | | |
| 68 | if (entry.includes('/')) { | | |
| 69 | return true; | | |
| 70 | } | | |
| 71 | | | |
| 72 | // Match exact IP address | | |
| 73 | if (ipRegex({ exact: true }).test(entry)) { | | |
| 74 | return true; | | |
| 75 | } | | |
| 76 | | | |
| 77 | // Match IPv4 with wildcards (e.g. 192.168.*.* or 192.168.0.*) | | |
| 78 | const ipWildcardRegex = /^(\d{1,3}|\*)\.(\d{1,3}|\*)\.(\d{1,3}|\*)\.(\d{1,3}|\*)$/; | | |
| 79 | return ipWildcardRegex.test(entry); | | |
| 80 | } | | |
| 81 | | | |
| 82 | /** | | |
| 83 | * Resolves hostnames in the whitelist to IP addresses. | 53 | * Resolves hostnames in the whitelist to IP addresses. |
| 84 | * This function will modify the whitelist array in place. | 54 | * This function will modify the whitelist array in place. |
| 85 | */ | 55 | */ |
| 86 | async function resolveHostnames() { | 56 | async function addDockerHostsToWhitelist() { |
| 87 | const resolvedWhitelist = []; | 57 | if (!whitelistDockerHosts || !isDocker()) { |
| | 58 | return; |
| | 59 | } |
| 88 | | 60 | |
| 89 | const promises = whitelist.map(async (entry) => { | 61 | const whitelistHosts = ['host.docker.internal', 'gateway.docker.internal']; |
| 90 | if (!entry || typeof entry !== 'string') { | | |
| 91 | return; | | |
| 92 | } | | |
| 93 | | 62 | |
| 94 | // Skip if entry appears to be an IP address, CIDR notation, or IP wildcard | 63 | for (const entry of whitelistHosts) { |
| 95 | if (isIpFormat(entry)) { | 64 | try { |
| 96 | resolvedWhitelist.push(entry); | 65 | const result = await dns.promises.lookup(entry); |
| 97 | return; | 66 | console.info(`Resolved whitelist hostname ${color.green(entry)} to IPv${result.family} address ${color.green(result.address)}`); |
| | 67 | whitelist.push(result.address); |
| | 68 | } catch (e) { |
| | 69 | console.warn(`Failed to resolve whitelist hostname ${color.red(entry)}: ${e.message}`); |
| 98 | } | 70 | } |
| 99 | | 71 | } |
| 100 | if (isValidHostname(entry)) { | | |
| 101 | try { | | |
| 102 | const result = await dns.promises.lookup(entry); | | |
| 103 | console.info(`Resolved whitelist hostname ${color.green(entry)} to IPv${result.family} address ${color.green(result.address)}`); | | |
| 104 | resolvedWhitelist.push(result.address); | | |
| 105 | } catch (e) { | | |
| 106 | console.warn(`Failed to resolve whitelist hostname ${color.red(entry)}: ${e.message}`); | | |
| 107 | } | | |
| 108 | } else { | | |
| 109 | resolvedWhitelist.push(entry); | | |
| 110 | } | | |
| 111 | }); | | |
| 112 | | | |
| 113 | await Promise.allSettled(promises); | | |
| 114 | } | 72 | } |
| 115 | | 73 | |
| 116 | /** | 74 | /** |