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Disallow creation of robots.txt in freeurl 

Add a configuration setting to "hard"-disable creation of notes as
set by the configuration value. This defaults to `['robots.txt',
'favicon.ico']`, because these files are often accidentally created
by bots and browsers.

This commit fixes #1052.

Signed-off-by: Daan Sprenkels <hello@dsprenkels.com>
This commit is contained in:
Daan Sprenkels 2018-11-13 00:14:25 +01:00
parent 54d3d930cf
commit 4bd8d7eb91
4 changed files with 5 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
README.md
View File

@ -186,6 +186,7 @@ There are some config settings you need to change in the files below.
| `CMD_ALLOW_ANONYMOUS` | `true` or `false` | set to allow anonymous usage (default is `true`) |
| `CMD_ALLOW_ANONYMOUS_EDITS` | `true` or `false` | if `allowAnonymous` is `true`, allow users to select `freely` permission, allowing guests to edit existing notes (default is `false`) |
| `CMD_ALLOW_FREEURL` | `true` or `false` | set to allow new note creation by accessing a nonexistent note URL |
| `CMD_FORBIDDEN_NODE_IDS` | `'robots.txt'` | disallow creation of notes, even if `CMD_ALLOW_FREEURL` is `true` |
| `CMD_DEFAULT_PERMISSION` | `freely`, `editable`, `limited`, `locked` or `private` | set notes default permission (only applied on signed users) |
| `CMD_DB_URL` | `mysql://localhost:3306/database` | set the database URL |
| `CMD_SESSION_SECRET` | no example | Secret used to sign the session cookie. If non is set, one will randomly generated on startup |
@ -284,6 +285,7 @@ There are some config settings you need to change in the files below.
| `allowAnonymous` | `true` or `false` | set to allow anonymous usage (default is `true`) |
| `allowAnonymousEdits` | `true` or `false` | if `allowAnonymous` is `true`: allow users to select `freely` permission, allowing guests to edit existing notes (default is `false`) |
| `allowFreeURL` | `true` or `false` | set to allow new note creation by accessing a nonexistent note URL |
| `forbiddenNoteIDs` | `['robots.txt']` | disallow creation of notes, even if `allowFreeUrl` is `true` |
| `defaultPermission` | `freely`, `editable`, `limited`, `locked`, `protected` or `private` | set notes default permission (only applied on signed users) |
| `dbURL` | `mysql://localhost:3306/database` | set the db URL; if set, then db config (below) won't be applied |
| `db` | `{ "dialect": "sqlite", "storage": "./db.codimd.sqlite" }` | set the db configs, [see more here](http://sequelize.readthedocs.org/en/latest/api/sequelize/) |

1
lib/config/default.js
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@ -31,6 +31,7 @@ module.exports = {
allowAnonymous: true,
allowAnonymousEdits: false,
allowFreeURL: false,
forbiddenNoteIDs: ['robots.txt', 'favicon.ico', 'api'],
defaultPermission: 'editable',
dbURL: '',
db: {},

1
lib/config/environment.js
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@ -27,6 +27,7 @@ module.exports = {
allowAnonymous: toBooleanConfig(process.env.CMD_ALLOW_ANONYMOUS),
allowAnonymousEdits: toBooleanConfig(process.env.CMD_ALLOW_ANONYMOUS_EDITS),
allowFreeURL: toBooleanConfig(process.env.CMD_ALLOW_FREEURL),
forbiddenNoteIDs: toArrayConfig(process.env.CMD_FORBIDDEN_NOTE_IDS),
defaultPermission: process.env.CMD_DEFAULT_PERMISSION,
dbURL: process.env.CMD_DB_URL,
sessionSecret: process.env.CMD_SESSION_SECRET,

2
lib/response.js
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@ -157,7 +157,7 @@ function findNote (req, res, callback, include) {
include: include || null
}).then(function (note) {
if (!note) {
if (config.allowFreeURL && noteId) {
if (config.allowFreeURL && noteId && !config.forbiddenNoteIDs.includes(noteId)) {
req.alias = noteId
return newNote(req, res)
} else {