- client: Match client IP strictly: Merge pull request #620 in DNS/adguard-home from fix/1687 to master

Close #1687

Squashed commit of the following:

commit 5287da0b98d154d4243abdb4b9021006499c225f
Merge: c6b50c70 83b9b701
Author: ArtemBaskal <a.baskal@adguard.com>
Date:   Fri May 29 12:47:23 2020 +0300

    Merge branch 'master' into fix/1687

commit c6b50c70a5089fcadfd2606b07b3b84769db2760
Author: ArtemBaskal <a.baskal@adguard.com>
Date:   Fri May 29 12:42:12 2020 +0300

    minor

commit dab9fa9ee0502838b4e10aef93d037c2fb5bf41b
Author: ArtemBaskal <a.baskal@adguard.com>
Date:   Thu May 28 16:56:08 2020 +0300

    Add support for exact matching of long and short ipv6 notations, add tests

commit e72e86cda81af2c5e54f93abb2890438fd3648b0
Author: ArtemBaskal <a.baskal@adguard.com>
Date:   Thu May 28 13:57:22 2020 +0300

    Update helper, write tests

commit 92f4c34224ab7927b02edde829f2d9653a00a854
Author: ArtemBaskal <a.baskal@adguard.com>
Date:   Wed May 27 18:35:05 2020 +0300

    Make variable names more expressive

commit 3d38f21281237e9cccbba26afc1ab641947c5dc0
Author: ArtemBaskal <a.baskal@adguard.com>
Date:   Wed May 27 17:09:08 2020 +0300

    Add ipv6 cidr support

commit 7db0a2fb18ccd96d8d1def73f12138e4f4e37f71
Author: ArtemBaskal <a.baskal@adguard.com>
Date:   Tue May 26 12:48:57 2020 +0300

    Minor

commit 65e87f3899aab3417cac57bab0a8fa371cafd4ec
Author: ArtemBaskal <a.baskal@adguard.com>
Date:   Tue May 26 12:46:30 2020 +0300

    Add breaks between helpers

commit 3f38bdfe7bc17e019bf048c79c9e8f1336b6f3d3
Author: ArtemBaskal <a.baskal@adguard.com>
Date:   Thu May 21 20:17:27 2020 +0300

    - client: Match client IP strictly

client/.babelrc

@@ -1,16 +0,0 @@
-{
-    "presets": [
-        [
-            "@babel/preset-env",
-            {
-                "modules": false
-            }
-        ],
-        "@babel/preset-react"
-    ],
-    "plugins": [
-        "@babel/plugin-proposal-class-properties",
-        "@babel/plugin-transform-runtime",
-        "@babel/plugin-proposal-object-rest-spread"
-    ]
-}

client/babel.config.js

@@ -0,0 +1,14 @@
+module.exports = (api) => {
+    api.cache(false);
+    return {
+        presets: [
+            '@babel/preset-env',
+            '@babel/preset-react',
+        ],
+        plugins: [
+            '@babel/plugin-proposal-class-properties',
+            '@babel/plugin-transform-runtime',
+            '@babel/plugin-proposal-object-rest-spread',
+        ],
+    };
+};

client/jest.config.js

@@ -0,0 +1,5 @@
+module.exports = {
+    transform: {
+        '^.+\\.jsx?$': 'babel-jest',
+    },
+};

client/package.json

@@ -6,7 +6,9 @@
         "build-dev": "cross-env BUILD_ENV=dev webpack --config webpack.dev.js",
         "watch": "cross-env BUILD_ENV=dev webpack --config webpack.dev.js --watch",
         "build-prod": "cross-env BUILD_ENV=prod webpack --config webpack.prod.js",
-        "lint": "eslint src"
+        "lint": "eslint src",
+        "test": "jest",
+        "test:watch": "jest --watch"
     },
     "dependencies": {
         "@nivo/line": "^0.49.1",
@@ -15,6 +17,7 @@
         "date-fns": "^1.29.0",
         "i18next": "^19.4.4",
         "i18next-browser-languagedetector": "^4.2.0",
+        "ipaddr.js": "^1.9.1",
         "lodash": "^4.17.15",
         "nanoid": "^3.1.9",
         "prop-types": "^15.7.2",
@@ -60,6 +63,7 @@
         "eslint-plugin-react-hooks": "^2.5.0",
         "file-loader": "6.0.0",
         "html-webpack-plugin": "^4.3.0",
+        "jest": "^26.0.1",
         "mini-css-extract-plugin": "^0.9.0",
         "path": "^0.12.7",
         "postcss-flexbugs-fixes": "4.2.1",

client/src/__tests__/App.test.js

@@ -1,9 +0,0 @@
-import React from 'react';
-import ReactDOM from 'react-dom';
-import App from '../components/App';
-
-it('renders without crashing', () => {
-    const div = document.createElement('div');
-    ReactDOM.render(<App />, div);
-    ReactDOM.unmountComponentAtNode(div);
-});

client/src/__tests__/helpers.test.js

@@ -0,0 +1,131 @@
+import { getIpMatchListStatus } from '../helpers/helpers';
+import { IP_MATCH_LIST_STATUS } from '../helpers/constants';
+
+describe('getIpMatchListStatus', () => {
+    describe('IPv4', () => {
+        test('should return EXACT on find the exact ip match', () => {
+            const list = `127.0.0.2
+2001:db8:11a3:9d7:0:0:0:0
+192.168.0.1/8
+127.0.0.1
+127.0.0.3`;
+            expect(getIpMatchListStatus('127.0.0.1', list))
+                .toEqual(IP_MATCH_LIST_STATUS.EXACT);
+        });
+
+        test('should return CIDR on find the cidr match', () => {
+            const list = `127.0.0.2
+2001:db8:11a3:9d7:0:0:0:0
+192.168.0.1/8
+127.0.0.0/24
+127.0.0.3`;
+            expect(getIpMatchListStatus('127.0.0.1', list))
+                .toEqual(IP_MATCH_LIST_STATUS.CIDR);
+        });
+
+        test('should return NOT_FOUND if the ip is not in the list', () => {
+            const list = `127.0.0.1
+2001:db8:11a3:9d7:0:0:0:0
+192.168.0.1/8
+127.0.0.2
+127.0.0.3`;
+            expect(getIpMatchListStatus('127.0.0.4', list))
+                .toEqual(IP_MATCH_LIST_STATUS.NOT_FOUND);
+        });
+
+        test('should return the first EXACT or CIDR match in the list', () => {
+            const list1 = `2001:db8:11a3:9d7:0:0:0:0
+127.0.0.1
+127.0.0.8/24
+127.0.0.3`;
+            expect(getIpMatchListStatus('127.0.0.1', list1))
+                .toEqual(IP_MATCH_LIST_STATUS.EXACT);
+
+            const list2 = `2001:db8:11a3:9d7:ffff:ffff:ffff:ffff
+2001:0db8:11a3:09d7:0000:0000:0000:0000/64
+127.0.0.0/24
+127.0.0.1
+127.0.0.8/24
+127.0.0.3`;
+            expect(getIpMatchListStatus('127.0.0.1', list2))
+                .toEqual(IP_MATCH_LIST_STATUS.CIDR);
+        });
+    });
+
+    describe('IPv6', () => {
+        test('should return EXACT on find the exact ip match', () => {
+            const list = `127.0.0.0
+2001:db8:11a3:9d7:0:0:0:0
+2001:db8:11a3:9d7:ffff:ffff:ffff:ffff
+127.0.0.1`;
+            expect(getIpMatchListStatus('2001:db8:11a3:9d7:0:0:0:0', list))
+                .toEqual(IP_MATCH_LIST_STATUS.EXACT);
+        });
+
+        test('should return EXACT on find the exact ip match of short and long notation', () => {
+            const list = `127.0.0.0
+192.168.0.1/8
+2001:db8::
+127.0.0.2`;
+            expect(getIpMatchListStatus('2001:db8:0:0:0:0:0:0', list))
+                .toEqual(IP_MATCH_LIST_STATUS.EXACT);
+        });
+
+        test('should return CIDR on find the cidr match', () => {
+            const list1 = `2001:0db8:11a3:09d7:0000:0000:0000:0000/64
+127.0.0.1
+127.0.0.2`;
+            expect(getIpMatchListStatus('2001:db8:11a3:9d7:0:0:0:0', list1))
+                .toEqual(IP_MATCH_LIST_STATUS.CIDR);
+
+            const list2 = `2001:0db8::/16
+127.0.0.0
+2001:db8:11a3:9d7:0:0:0:0
+2001:db8::
+2001:db8:11a3:9d7:ffff:ffff:ffff:ffff
+127.0.0.1`;
+            expect(getIpMatchListStatus('2001:db1::', list2))
+                .toEqual(IP_MATCH_LIST_STATUS.CIDR);
+        });
+
+        test('should return NOT_FOUND if the ip is not in the list', () => {
+            const list = `2001:db8:11a3:9d7:0:0:0:0
+2001:0db8:11a3:09d7:0000:0000:0000:0000/64
+127.0.0.1
+127.0.0.2`;
+            expect(getIpMatchListStatus('::', list))
+                .toEqual(IP_MATCH_LIST_STATUS.NOT_FOUND);
+        });
+
+        test('should return the first EXACT or CIDR match in the list', () => {
+            const list1 = `2001:db8:11a3:9d7:0:0:0:0
+2001:0db8:11a3:09d7:0000:0000:0000:0000/64
+127.0.0.3`;
+            expect(getIpMatchListStatus('2001:db8:11a3:9d7:0:0:0:0', list1))
+                .toEqual(IP_MATCH_LIST_STATUS.EXACT);
+
+            const list2 = `2001:0db8:11a3:09d7:0000:0000:0000:0000/64
+2001:db8:11a3:9d7:0:0:0:0
+127.0.0.3`;
+            expect(getIpMatchListStatus('2001:db8:11a3:9d7:0:0:0:0', list2))
+                .toEqual(IP_MATCH_LIST_STATUS.CIDR);
+        });
+    });
+
+    describe('Empty list or IP', () => {
+        test('should return NOT_FOUND on empty ip', () => {
+            const list = `127.0.0.0
+2001:db8:11a3:9d7:0:0:0:0
+2001:db8:11a3:9d7:ffff:ffff:ffff:ffff
+127.0.0.1`;
+            expect(getIpMatchListStatus('', list))
+                .toEqual(IP_MATCH_LIST_STATUS.NOT_FOUND);
+        });
+
+        test('should return NOT_FOUND on empty list', () => {
+            const list = '';
+            expect(getIpMatchListStatus('127.0.0.1', list))
+                .toEqual(IP_MATCH_LIST_STATUS.NOT_FOUND);
+        });
+    });
+});

client/src/components/Dashboard/Clients.js

@@ -6,14 +6,15 @@ import { Trans, withTranslation } from 'react-i18next';
 import Card from '../ui/Card';
 import Cell from '../ui/Cell';
 
-import { getPercent } from '../../helpers/helpers';
+import { getPercent, getIpMatchListStatus } from '../../helpers/helpers';
-import { STATUS_COLORS } from '../../helpers/constants';
+import { IP_MATCH_LIST_STATUS, STATUS_COLORS } from '../../helpers/constants';
 import { formatClientCell } from '../../helpers/formatClientCell';
 
 const getClientsPercentColor = (percent) => {
     if (percent > 50) {
         return STATUS_COLORS.green;
-    } if (percent > 10) {
+    }
+    if (percent > 10) {
         return STATUS_COLORS.yellow;
     }
     return STATUS_COLORS.red;
@@ -27,20 +28,18 @@ const countCell = (dnsQueries) => function cell(row) {
     return <Cell value={value} percent={percent} color={percentColor} />;
 };
 
-const renderBlockingButton = (blocked, ip, handleClick, processing) => {
+const renderBlockingButton = (ipMatchListStatus, ip, handleClick, processing) => {
-    let buttonProps = {
+    const buttonProps = ipMatchListStatus === IP_MATCH_LIST_STATUS.NOT_FOUND
+        ? {
             className: 'btn-outline-danger',
             text: 'block_btn',
             type: 'block',
-    };
+        }
-
+        : {
-    if (blocked) {
-        buttonProps = {
             className: 'btn-outline-secondary',
             text: 'unblock_btn',
             type: 'unblock',
         };
-    }
 
     return (
         <div className="table__action">
@@ -56,18 +55,17 @@ const renderBlockingButton = (blocked, ip, handleClick, processing) => {
     );
 };
 
-const isBlockedClient = (clients, ip) => !!(clients && clients.includes(ip));
-
 const clientCell = (t, toggleClientStatus, processing, disallowedClients) => function cell(row) {
     const { value } = row;
-    const blocked = isBlockedClient(disallowedClients, value);
+    const ipMatchListStatus = getIpMatchListStatus(value, disallowedClients);
 
     return (
         <Fragment>
             <div className="logs__row logs__row--overflow logs__row--column">
                 {formatClientCell(row, t)}
             </div>
-                {renderBlockingButton(blocked, value, toggleClientStatus, processing)}
+            {ipMatchListStatus !== IP_MATCH_LIST_STATUS.CIDR
+            && renderBlockingButton(ipMatchListStatus, value, toggleClientStatus, processing)}
         </Fragment>
     );
 };
@@ -124,15 +122,8 @@ const Clients = ({
 
                 const { ip } = rowInfo.original;
 
-                if (isBlockedClient(disallowedClients, ip)) {
+                return getIpMatchListStatus(ip, disallowedClients)
-                    return {
+                === IP_MATCH_LIST_STATUS.NOT_FOUND ? {} : { className: 'red' };
-                        className: 'red',
-                    };
-                }
-
-                return {
-                    className: '',
-                };
             }}
         />
     </Card>

client/src/components/Settings/Dns/Access/Form.js

@@ -4,6 +4,7 @@ import { Field, reduxForm } from 'redux-form';
 import { Trans, withTranslation } from 'react-i18next';
 import flow from 'lodash/flow';
 import { renderTextareaField } from '../../../../helpers/form';
+import { normalizeMultiline } from '../../../../helpers/helpers';
 
 const fields = [
     {
@@ -44,6 +45,7 @@ const Form = (props) => {
             type="text"
             className="form-control form-control--textarea font-monospace"
             disabled={disabled}
+            normalizeOnBlur={normalizeMultiline}
         />
     </div>;
 

client/src/helpers/constants.js

@@ -379,3 +379,9 @@ export const DNS_REQUEST_OPTIONS = {
     PARALLEL_REQUESTS: 'parallel_requests',
     FASTEST_ADDR: 'fastest_addr',
 };
+
+export const IP_MATCH_LIST_STATUS = {
+    NOT_FOUND: 'NOT_FOUND', // not found in the list
+    EXACT: 'EXACT', // found exact match (ip === ip)
+    CIDR: 'CIDR', // the ip is in the specified CIDR range
+};

client/src/helpers/helpers.js

@@ -1,3 +1,4 @@
+/* eslint-disable no-bitwise */
 import 'url-polyfill';
 import dateParse from 'date-fns/parse';
 import dateFormat from 'date-fns/format';
@@ -10,6 +11,7 @@ import round from 'lodash/round';
 import axios from 'axios';
 import i18n from 'i18next';
 import uniqBy from 'lodash/uniqBy';
+import ipaddr from 'ipaddr.js';
 import versionCompare from './versionCompare';
 
 import {
@@ -24,6 +26,7 @@ import {
     DEFAULT_LANGUAGE,
     FILTERED_STATUS,
     FILTERED,
+    IP_MATCH_LIST_STATUS,
 } from './constants';
 
 /**
@@ -167,7 +170,10 @@ export const getPercent = (amount, number) => {
     return 0;
 };
 
-export const captitalizeWords = (text) => text.split(/[ -_]/g).map((str) => str.charAt(0).toUpperCase() + str.substr(1)).join(' ');
+export const captitalizeWords = (text) => text.split(/[ -_]/g)
+    .map((str) => str.charAt(0)
+        .toUpperCase() + str.substr(1))
+    .join(' ');
 
 export const getInterfaceIp = (option) => {
     const onlyIPv6 = option.ip_addresses.every((ip) => ip.includes(':'));
@@ -187,7 +193,8 @@ export const getInterfaceIp = (option) => {
 export const getIpList = (interfaces) => {
     let list = [];
 
-    Object.keys(interfaces).forEach((item) => {
+    Object.keys(interfaces)
+        .forEach((item) => {
             list = [...list, ...interfaces[item].ip_addresses];
         });
 
@@ -283,7 +290,9 @@ export const normalizeTextarea = (text) => {
         return [];
     }
 
-    return text.replace(/[;, ]/g, '\n').split('\n').filter((n) => n);
+    return text.replace(/[;, ]/g, '\n')
+        .split('\n')
+        .filter((n) => n);
 };
 
 /**
@@ -307,7 +316,10 @@ export const normalizeTopClients = (topClients) => topClients.reduce(
         // eslint-disable-next-line no-param-reassign
         nameToCountMap.configured[infoName] = count;
         return nameToCountMap;
-    }, { auto: {}, configured: {} },
+    }, {
+        auto: {},
+        configured: {},
+    },
 );
 
 export const getClientInfo = (clients, ip) => {
@@ -321,7 +333,10 @@ export const getClientInfo = (clients, ip) => {
     const { name, whois_info } = client;
     const whois = Object.keys(whois_info).length > 0 ? whois_info : '';
 
-    return { name, whois };
+    return {
+        name,
+        whois,
+    };
 };
 
 export const getAutoClientInfo = (clients, ip) => {
@@ -334,7 +349,10 @@ export const getAutoClientInfo = (clients, ip) => {
     const { name, whois_info } = client;
     const whois = Object.keys(whois_info).length > 0 ? whois_info : '';
 
-    return { name, whois };
+    return {
+        name,
+        whois,
+    };
 };
 
 export const sortClients = (clients) => {
@@ -344,7 +362,8 @@ export const sortClients = (clients) => {
 
         if (nameA > nameB) {
             return 1;
-        } if (nameA < nameB) {
+        }
+        if (nameA < nameB) {
             return -1;
         }
 
@@ -366,7 +385,8 @@ export const secondsToMilliseconds = (seconds) => {
     return seconds;
 };
 
-export const normalizeRulesTextarea = (text) => text && text.replace(/^\n/g, '').replace(/\n\s*\n/g, '\n');
+export const normalizeRulesTextarea = (text) => text && text.replace(/^\n/g, '')
+    .replace(/\n\s*\n/g, '\n');
 
 export const isVersionGreater = (currentVersion, previousVersion) => (
     versionCompare(currentVersion, previousVersion) === -1
@@ -449,10 +469,17 @@ export const getCurrentFilter = (url, filters) => {
 
     if (filter) {
         const { enabled, name, url } = filter;
-        return { enabled, name, url };
+        return {
+            enabled,
+            name,
+            url,
+        };
     }
 
-    return { name: '', url: '' };
+    return {
+        name: '',
+        url: '',
+    };
 };
 
 /**
@@ -463,3 +490,59 @@ export const formatNumber = (num) => {
     const currentLanguage = i18n.languages[0] || DEFAULT_LANGUAGE;
     return num.toLocaleString(currentLanguage);
 };
+
+export const normalizeMultiline = (multiline) => `${normalizeTextarea(multiline)
+    .map((line) => line.trim())
+    .join('\n')}\n`;
+
+
+/**
+ * @param parsedIp {object} ipaddr.js IPv4 or IPv6 object
+ * @param cidr {array} ipaddr.js CIDR array
+ * @returns {boolean}
+ */
+export const isIpMatchCidr = (parsedIp, parsedCidr) => {
+    try {
+        const cidrIpVersion = parsedCidr[0].kind();
+        const ipVersion = parsedIp.kind();
+
+        return ipVersion === cidrIpVersion && parsedIp.match(parsedCidr);
+    } catch (e) {
+        return false;
+    }
+};
+
+/**
+ * @param ip {string}
+ * @param list {string}
+ * @returns {'EXACT' | 'CIDR' | 'NOT_FOND'}
+ */
+export const getIpMatchListStatus = (ip, list) => {
+    if (!ip || !list) {
+        return IP_MATCH_LIST_STATUS.NOT_FOUND;
+    }
+
+    const listArr = list.trim()
+        .split('\n');
+
+    try {
+        for (let i = 0; i < listArr.length; i += 1) {
+            const listItem = listArr[i];
+
+            const parsedIp = ipaddr.parse(ip);
+            const isItemAnIp = ipaddr.isValid(listItem);
+            const parsedItem = isItemAnIp ? ipaddr.parse(listItem) : ipaddr.parseCIDR(listItem);
+
+            if (isItemAnIp && parsedIp.toString() === parsedItem.toString()) {
+                return IP_MATCH_LIST_STATUS.EXACT;
+            }
+
+            if (!isItemAnIp && isIpMatchCidr(parsedIp, parsedItem)) {
+                return IP_MATCH_LIST_STATUS.CIDR;
+            }
+        }
+        return IP_MATCH_LIST_STATUS.NOT_FOUND;
+    } catch (e) {
+        return IP_MATCH_LIST_STATUS.NOT_FOUND;
+    }
+};