Pull request: 3503 password policy

Merge in DNS/adguard-home from 3503-password-policy to master

Closes #3503.

Squashed commit of the following:

commit 1f03cd9ef6e76a691ae383d6ba4b7f851eabddb8
Author: Eugene Burkov <E.Burkov@AdGuard.COM>
Date:   Thu Feb 10 18:24:59 2022 +0300

    client: imp msg

commit e164ae2544284cf9a1d3333c50b68e361f78ce2a
Merge: b7efd764 f53f48cc
Author: Eugene Burkov <E.Burkov@AdGuard.COM>
Date:   Thu Feb 10 16:52:01 2022 +0300

    Merge branch 'master' into 3503-password-policy

commit b7efd7640ec0fa3deac5290f8306ce5142428718
Author: Ildar Kamalov <ik@adguard.com>
Date:   Thu Feb 10 16:17:59 2022 +0300

    client: remove empty line

commit f19aba6cb579d2c4681675c881000c8f16257ab9
Author: Ildar Kamalov <ik@adguard.com>
Date:   Thu Feb 10 16:09:14 2022 +0300

    client: validate password length

commit a6943c94483306ecfc0d1431d576d42053823b61
Author: Eugene Burkov <E.Burkov@AdGuard.COM>
Date:   Fri Feb 4 18:57:02 2022 +0300

    all: fix docs again

commit 9346bb6c393af0799a79b228285acdd8f8799b83
Author: Eugene Burkov <E.Burkov@AdGuard.COM>
Date:   Fri Feb 4 18:54:15 2022 +0300

    openapi: fix docs

commit a8016443237c130f69108970ddfc77ef71126be6
Author: Eugene Burkov <E.Burkov@AdGuard.COM>
Date:   Fri Feb 4 18:25:55 2022 +0300

    all: validate passwd runes count

CHANGELOG.md

@@ -72,6 +72,7 @@ In this release, the schema version has changed from 12 to 13.
 
 ### Security
 
+- Enforced password strength policy ([3503]).
 - Weaker cipher suites that use the CBC (cipher block chaining) mode of
   operation have been disabled ([#2993]).
 
@@ -79,6 +80,7 @@ In this release, the schema version has changed from 12 to 13.
 [#2993]: https://github.com/AdguardTeam/AdGuardHome/issues/2993
 [#3057]: https://github.com/AdguardTeam/AdGuardHome/issues/3057
 [#3367]: https://github.com/AdguardTeam/AdGuardHome/issues/3367
+[#3503]: https://github.com/AdguardTeam/AdGuardHome/issues/3503
 [#4216]: https://github.com/AdguardTeam/AdGuardHome/issues/4216
 [#4221]: https://github.com/AdguardTeam/AdGuardHome/issues/4221
 [#4238]: https://github.com/AdguardTeam/AdGuardHome/issues/4238

client/package-lock.json

@@ -1700,6 +1700,12 @@
         "v8-to-istanbul": "^4.1.3"
       },
       "dependencies": {
+        "ansi-regex": {
+          "version": "5.0.1",
+          "resolved": "https://registry.npmjs.org/ansi-regex/-/ansi-regex-5.0.1.tgz",
+          "integrity": "sha512-quJQXlTSUGL2LH9SUXo8VwsY4soanhgo6LNSm84E1LBcE8s3O0wpdiRzyR9z/ZZJMlMWv37qOOb9pdJlMUEKFQ==",
+          "dev": true
+        },
         "ansi-styles": {
           "version": "4.2.1",
           "resolved": "https://registry.npmjs.org/ansi-styles/-/ansi-styles-4.2.1.tgz",
@@ -1720,6 +1726,12 @@
             "supports-color": "^7.1.0"
           }
         },
+        "char-regex": {
+          "version": "1.0.2",
+          "resolved": "https://registry.npmjs.org/char-regex/-/char-regex-1.0.2.tgz",
+          "integrity": "sha512-kWWXztvZ5SBQV+eRgKFeh8q5sLuZY2+8WUIzlxWVTg+oGwY14qylx1KbKzHd8P6ZYkAg0xyIDU9JMHhyJMZ1jw==",
+          "dev": true
+        },
         "color-convert": {
           "version": "2.0.1",
           "resolved": "https://registry.npmjs.org/color-convert/-/color-convert-2.0.1.tgz",
@@ -1747,6 +1759,25 @@
           "integrity": "sha512-UjgapumWlbMhkBgzT7Ykc5YXUT46F0iKu8SGXq0bcwP5dz/h0Plj6enJqjz1Zbq2l5WaqYnrVbwWOWMyF3F47g==",
           "dev": true
         },
+        "string-length": {
+          "version": "4.0.2",
+          "resolved": "https://registry.npmjs.org/string-length/-/string-length-4.0.2.tgz",
+          "integrity": "sha512-+l6rNN5fYHNhZZy41RXsYptCjA2Igmq4EG7kZAYFQI1E1VTXarr6ZPXBg6eq7Y6eK4FEhY6AJlyuFIb/v/S0VQ==",
+          "dev": true,
+          "requires": {
+            "char-regex": "^1.0.2",
+            "strip-ansi": "^6.0.0"
+          }
+        },
+        "strip-ansi": {
+          "version": "6.0.1",
+          "resolved": "https://registry.npmjs.org/strip-ansi/-/strip-ansi-6.0.1.tgz",
+          "integrity": "sha512-Y38VPSHcqkFrCpFnQ9vuSXmquuv5oXOKpGeT6aGrr3o3Gc9AlVa6JBfUSOCnbxGGZF+/0ooI7KrPuUSztUdU5A==",
+          "dev": true,
+          "requires": {
+            "ansi-regex": "^5.0.1"
+          }
+        },
         "supports-color": {
           "version": "7.1.0",
           "resolved": "https://registry.npmjs.org/supports-color/-/supports-color-7.1.0.tgz",
@@ -3959,10 +3990,9 @@
       "integrity": "sha1-6LL+PX8at9aaMhma/5HqaTFAlRU="
     },
     "char-regex": {
-      "version": "1.0.2",
+      "version": "2.0.0",
-      "resolved": "https://registry.npmjs.org/char-regex/-/char-regex-1.0.2.tgz",
+      "resolved": "https://registry.npmjs.org/char-regex/-/char-regex-2.0.0.tgz",
-      "integrity": "sha512-kWWXztvZ5SBQV+eRgKFeh8q5sLuZY2+8WUIzlxWVTg+oGwY14qylx1KbKzHd8P6ZYkAg0xyIDU9JMHhyJMZ1jw==",
+      "integrity": "sha512-oGu2QekBMXgyQNWPDRQ001bjvDnZe4/zBTz37TMbiKz1NbNiyiH5hRkobe7npRN6GfbGbxMYFck/vQ1r9c1VMA=="
-      "dev": true
     },
     "character-entities": {
       "version": "1.2.4",
@@ -10037,6 +10067,12 @@
         "string-length": "^4.0.1"
       },
       "dependencies": {
+        "ansi-regex": {
+          "version": "5.0.1",
+          "resolved": "https://registry.npmjs.org/ansi-regex/-/ansi-regex-5.0.1.tgz",
+          "integrity": "sha512-quJQXlTSUGL2LH9SUXo8VwsY4soanhgo6LNSm84E1LBcE8s3O0wpdiRzyR9z/ZZJMlMWv37qOOb9pdJlMUEKFQ==",
+          "dev": true
+        },
         "ansi-styles": {
           "version": "4.2.1",
           "resolved": "https://registry.npmjs.org/ansi-styles/-/ansi-styles-4.2.1.tgz",
@@ -10057,6 +10093,12 @@
             "supports-color": "^7.1.0"
           }
         },
+        "char-regex": {
+          "version": "1.0.2",
+          "resolved": "https://registry.npmjs.org/char-regex/-/char-regex-1.0.2.tgz",
+          "integrity": "sha512-kWWXztvZ5SBQV+eRgKFeh8q5sLuZY2+8WUIzlxWVTg+oGwY14qylx1KbKzHd8P6ZYkAg0xyIDU9JMHhyJMZ1jw==",
+          "dev": true
+        },
         "color-convert": {
           "version": "2.0.1",
           "resolved": "https://registry.npmjs.org/color-convert/-/color-convert-2.0.1.tgz",
@@ -10078,6 +10120,25 @@
           "integrity": "sha512-EykJT/Q1KjTWctppgIAgfSO0tKVuZUjhgMr17kqTumMl6Afv3EISleU7qZUzoXDFTAHTDC4NOoG/ZxU3EvlMPQ==",
           "dev": true
         },
+        "string-length": {
+          "version": "4.0.2",
+          "resolved": "https://registry.npmjs.org/string-length/-/string-length-4.0.2.tgz",
+          "integrity": "sha512-+l6rNN5fYHNhZZy41RXsYptCjA2Igmq4EG7kZAYFQI1E1VTXarr6ZPXBg6eq7Y6eK4FEhY6AJlyuFIb/v/S0VQ==",
+          "dev": true,
+          "requires": {
+            "char-regex": "^1.0.2",
+            "strip-ansi": "^6.0.0"
+          }
+        },
+        "strip-ansi": {
+          "version": "6.0.1",
+          "resolved": "https://registry.npmjs.org/strip-ansi/-/strip-ansi-6.0.1.tgz",
+          "integrity": "sha512-Y38VPSHcqkFrCpFnQ9vuSXmquuv5oXOKpGeT6aGrr3o3Gc9AlVa6JBfUSOCnbxGGZF+/0ooI7KrPuUSztUdU5A==",
+          "dev": true,
+          "requires": {
+            "ansi-regex": "^5.0.1"
+          }
+        },
         "supports-color": {
           "version": "7.1.0",
           "resolved": "https://registry.npmjs.org/supports-color/-/supports-color-7.1.0.tgz",
@@ -14193,38 +14254,26 @@
       "resolved": "https://registry.npmjs.org/strict-uri-encode/-/strict-uri-encode-2.0.0.tgz",
       "integrity": "sha1-ucczDHBChi9rFC3CdLvMWGbONUY="
     },
-    "string_decoder": {
-      "version": "1.1.1",
-      "resolved": "https://registry.npmjs.org/string_decoder/-/string_decoder-1.1.1.tgz",
-      "integrity": "sha512-n/ShnvDi6FHbbVfviro+WojiFzv+s8MPMHBczVePfUpDJLwoLT0ht1l4YwBCbi8pJAveEEdnkHyPyTP/mzRfwg==",
-      "dev": true,
-      "requires": {
-        "safe-buffer": "~5.1.0"
-      }
-    },
     "string-length": {
-      "version": "4.0.1",
+      "version": "5.0.1",
-      "resolved": "https://registry.npmjs.org/string-length/-/string-length-4.0.1.tgz",
+      "resolved": "https://registry.npmjs.org/string-length/-/string-length-5.0.1.tgz",
-      "integrity": "sha512-PKyXUd0LK0ePjSOnWn34V2uD6acUWev9uy0Ft05k0E8xRW+SKcA0F7eMr7h5xlzfn+4O3N+55rduYyet3Jk+jw==",
+      "integrity": "sha512-9Ep08KAMUn0OadnVaBuRdE2l615CQ508kr0XMadjClfYpdCyvrbFp6Taebo8yyxokQ4viUd/xPPUA4FGgUa0ow==",
-      "dev": true,
       "requires": {
-        "char-regex": "^1.0.2",
+        "char-regex": "^2.0.0",
-        "strip-ansi": "^6.0.0"
+        "strip-ansi": "^7.0.1"
       },
       "dependencies": {
         "ansi-regex": {
-          "version": "5.0.0",
+          "version": "6.0.1",
-          "resolved": "https://registry.npmjs.org/ansi-regex/-/ansi-regex-5.0.0.tgz",
+          "resolved": "https://registry.npmjs.org/ansi-regex/-/ansi-regex-6.0.1.tgz",
-          "integrity": "sha512-bY6fj56OUQ0hU1KjFNDQuJFezqKdrAyFdIevADiqrWHwSlbmBNMHp5ak2f40Pm8JTFyM2mqxkG6ngkHO11f/lg==",
+          "integrity": "sha512-n5M855fKb2SsfMIiFFoVrABHJC8QtHwVx+mHWP3QcEqBHYienj5dHSgjbxtC0WEZXYt4wcD6zrQElDPhFuZgfA=="
-          "dev": true
         },
         "strip-ansi": {
-          "version": "6.0.0",
+          "version": "7.0.1",
-          "resolved": "https://registry.npmjs.org/strip-ansi/-/strip-ansi-6.0.0.tgz",
+          "resolved": "https://registry.npmjs.org/strip-ansi/-/strip-ansi-7.0.1.tgz",
-          "integrity": "sha512-AuvKTrTfQNYNIctbR1K/YGTR1756GycPsg7b9bdV9Duqur4gv6aKqHXah67Z8ImS7WEz5QVcOtlfW2rZEugt6w==",
+          "integrity": "sha512-cXNxvT8dFNRVfhVME3JAe98mkXDYN2O1l7jmcwMnOslDeESg1rF/OZMtK0nRAhiari1unG5cD4jG3rapUAkLbw==",
-          "dev": true,
           "requires": {
-            "ansi-regex": "^5.0.0"
+            "ansi-regex": "^6.0.1"
           }
         }
       }
@@ -14297,6 +14346,15 @@
         "define-properties": "^1.1.3"
       }
     },
+    "string_decoder": {
+      "version": "1.1.1",
+      "resolved": "https://registry.npmjs.org/string_decoder/-/string_decoder-1.1.1.tgz",
+      "integrity": "sha512-n/ShnvDi6FHbbVfviro+WojiFzv+s8MPMHBczVePfUpDJLwoLT0ht1l4YwBCbi8pJAveEEdnkHyPyTP/mzRfwg==",
+      "dev": true,
+      "requires": {
+        "safe-buffer": "~5.1.0"
+      }
+    },
     "stringify-entities": {
       "version": "3.0.1",
       "resolved": "https://registry.npmjs.org/stringify-entities/-/stringify-entities-3.0.1.tgz",

client/package.json

@@ -42,6 +42,7 @@
         "redux-actions": "^2.6.5",
         "redux-form": "^8.3.5",
         "redux-thunk": "^2.3.0",
+        "string-length": "^5.0.1",
         "url-polyfill": "^1.1.9"
     },
     "devDependencies": {

client/src/__locales/en.json

@@ -627,5 +627,6 @@
     "use_saved_key": "Use the previously saved key",
     "parental_control": "Parental Control",
     "safe_browsing": "Safe Browsing",
-    "served_from_cache": "{{value}} <i>(served from cache)</i>"
+    "served_from_cache": "{{value}} <i>(served from cache)</i>",
+    "form_error_password_length": "Password must be at least {{value}} characters long"
 }

client/src/helpers/constants.js

@@ -26,6 +26,8 @@ export const R_WIN_ABSOLUTE_PATH = /^([a-zA-Z]:)?(\\|\/)(?:[^\\/:*?"<>|\x00]+\\)
 
 export const R_CLIENT_ID = /^[a-z0-9-]{1,63}$/;
 
+export const MIN_PASSWORD_LENGTH = 8;
+
 export const HTML_PAGES = {
     INSTALL: '/install.html',
     LOGIN: '/login.html',

client/src/helpers/validators.js

@@ -1,4 +1,5 @@
 import i18next from 'i18next';
+import stringLength from 'string-length';
 
 import {
     MAX_PORT,
@@ -13,6 +14,7 @@ import {
     UNSAFE_PORTS,
     R_CLIENT_ID,
     R_DOMAIN,
+    MIN_PASSWORD_LENGTH,
 } from './constants';
 import { ip4ToInt, isValidAbsolutePath } from './form';
 import { isIpInCidr, parseSubnetMask } from './helpers';
@@ -320,10 +322,20 @@ export const validatePath = (value) => {
  * @param cidr {string}
  * @returns {Function}
  */
-
 export const validateIpv4InCidr = (valueIp, allValues) => {
     if (!isIpInCidr(valueIp, allValues.cidr)) {
         return i18next.t('form_error_subnet', { ip: valueIp, cidr: allValues.cidr });
     }
     return undefined;
 };
+
+/**
+ * @param value {string}
+ * @returns {Function}
+ */
+export const validatePasswordLength = (value) => {
+    if (value && stringLength(value) < MIN_PASSWORD_LENGTH) {
+        return i18next.t('form_error_password_length', { value: MIN_PASSWORD_LENGTH });
+    }
+    return undefined;
+};

client/src/install/Setup/Auth.js

@@ -8,6 +8,7 @@ import i18n from '../../i18n';
 import Controls from './Controls';
 import { renderInputField } from '../../helpers/form';
 import { FORM_NAME } from '../../helpers/constants';
+import { validatePasswordLength } from '../../helpers/validators';
 
 const required = (value) => {
     if (value || value === 0) {
@@ -67,7 +68,7 @@ const Auth = (props) => {
                         type="password"
                         className="form-control"
                         placeholder={ t('install_auth_password_enter') }
-                        validate={[required]}
+                        validate={[required, validatePasswordLength]}
                         autoComplete="new-password"
                     />
                 </div>

internal/home/controlinstall.go

@@ -13,6 +13,7 @@ import (
 	"runtime"
 	"strings"
 	"time"
+	"unicode/utf8"
 
 	"github.com/AdguardTeam/AdGuardHome/internal/aghalg"
 	"github.com/AdguardTeam/AdGuardHome/internal/aghhttp"
@@ -359,6 +360,9 @@ func shutdownSrv(ctx context.Context, srv *http.Server) {
 	}
 }
 
+// PasswordMinRunes is the minimum length of user's password in runes.
+const PasswordMinRunes = 8
+
 // Apply new configuration, start DNS server, restart Web server
 func (web *Web) handleInstallConfigure(w http.ResponseWriter, r *http.Request) {
 	req, restartHTTP, err := decodeApplyConfigReq(r.Body)
@@ -368,6 +372,18 @@ func (web *Web) handleInstallConfigure(w http.ResponseWriter, r *http.Request) {
 		return
 	}
 
+	if utf8.RuneCountInString(req.Password) < PasswordMinRunes {
+		aghhttp.Error(
+			r,
+			w,
+			http.StatusUnprocessableEntity,
+			"password must be at least %d symbols long",
+			PasswordMinRunes,
+		)
+
+		return
+	}
+
 	err = aghnet.CheckPort("udp", req.DNS.IP, req.DNS.Port)
 	if err != nil {
 		aghhttp.Error(r, w, http.StatusBadRequest, "%s", err)

openapi/CHANGELOG.md

@@ -4,6 +4,12 @@
 
 ## v0.107.3: API changes
 
+### The new possible status code in `/install/configure` response.
+
+* The new status code `422 Unprocessable Entity` in the response for
+  `POST /install/configure` which means that the specified password does not
+  meet the strength requirements.
+
 ### The new field `"version"` in `AddressesInfo`
 
 * The new field `"version"` in `GET /install/get_addresses` is the version of

openapi/openapi.yaml

@@ -1088,6 +1088,9 @@
           'description': >
             Failed to parse initial configuration or cannot listen to the
             specified addresses.
+        '422':
+          'description': >
+            The specified password does not meet the strength requirements.
         '500':
           'description': 'Cannot start the DNS server'
   '/login':