fold sysinfo into network

the backends are network backends
2023-08-03 13:38:42 +05:30
parent a4d57e7b08
commit 47d57a3971
23 changed files with 143 additions and 161 deletions
--- a/src/network/generic.js
+++ b/src/network/generic.js
@@ -0,0 +1,96 @@
+'use strict';
+
+exports = module.exports = {
+    getIPv4,
+    getIPv6,
+    testIPv4Config,
+    testIPv6Config
+};
+
+const assert = require('assert'),
+    BoxError = require('../boxerror.js'),
+    debug = require('debug')('box:network/generic'),
+    safe = require('safetydance'),
+    superagent = require('superagent');
+
+const gCache = { ipv4: {}, ipv6: {} }; // each has { timestamp, value, request }
+
+async function getIPv4(config) {
+    assert.strictEqual(typeof config, 'object');
+
+    if (process.env.BOX_ENV === 'test') return '127.0.0.1';
+
+    if (gCache.ipv4.value && (Date.now() - gCache.ipv4.timestamp <= 5 * 60 * 1000)) return gCache.ipv4.value;
+
+    let request = gCache.ipv4.request; // allow reuse for parallel requests
+    if (!request) {
+        debug('getIPv4: querying ipv4.api.cloudron.io to get server IPv4');
+        request = superagent.get('https://ipv4.api.cloudron.io/api/v1/helper/public_ip').timeout(30 * 1000).retry(2).ok(() => true);
+        gCache.ipv4.request = request;
+    }
+
+    gCache.ipv4.value = null;
+
+    const [networkError, response] = await safe(request);
+    gCache.ipv4.request = null;
+
+    if (networkError || response.status !== 200) {
+        debug('getIPv4: Error getting IP. %o', networkError);
+        throw new BoxError(BoxError.EXTERNAL_ERROR, 'Unable to detect IPv4. API server (ipv4.api.cloudron.io) unreachable');
+    }
+
+    if (!response.body && !response.body.ip) {
+        debug('getIPv4: Unexpected answer. No "ip" found in response body.', response.body);
+        throw new BoxError(BoxError.EXTERNAL_ERROR, 'Unable to detect IPv4. No IP found in response');
+    }
+
+    gCache.ipv4.value = response.body.ip;
+    gCache.ipv4.timestamp = Date.now();
+    return response.body.ip;
+}
+
+async function getIPv6(config) {
+    assert.strictEqual(typeof config, 'object');
+
+    if (process.env.BOX_ENV === 'test') return '::1';
+
+    if (gCache.ipv6.value && (Date.now() - gCache.ipv6.timestamp <= 5 * 60 * 1000)) return gCache.ipv6.value;
+
+    let request = gCache.ipv6.request; // allow reuse for parallel requests
+    if (!request) {
+        debug('getIPv6: querying ipv6.api.cloudron.io to get server IPv6');
+        request = superagent.get('https://ipv6.api.cloudron.io/api/v1/helper/public_ip').timeout(30 * 1000).retry(2).ok(() => true);
+        gCache.ipv6.request = request;
+    }
+
+    gCache.ipv6.value = null;
+
+    const [networkError, response] = await safe(request);
+    gCache.ipv6.request = null;
+
+    if (networkError || response.status !== 200) {
+        debug('getIPv6: Error getting IP. %o', networkError);
+        throw new BoxError(BoxError.EXTERNAL_ERROR, 'Unable to detect IPv6. API server (ipv6.api.cloudron.io) unreachable');
+    }
+
+    if (!response.body && !response.body.ip) {
+        debug('getIPv6: Unexpected answer. No "ip" found in response body.', response.body);
+        throw new BoxError(BoxError.EXTERNAL_ERROR, 'Unable to detect IPv6. No IP found in response');
+    }
+
+    gCache.ipv6.value = response.body.ip;
+    gCache.ipv6.timestamp = Date.now();
+    return response.body.ip;
+}
+
+async function testIPv4Config(config) {
+    assert.strictEqual(typeof config, 'object');
+
+    return null;
+}
+
+async function testIPv6Config(config) {
+    assert.strictEqual(typeof config, 'object');
+
+    return null;
+}