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refactor: wildcard and strict host link whitelisting

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The previously contributed config option for whitelisting domains
treated all entries like wildcard entries and matched subdomains
too. Since some users don't want this behaviour, this changes the
config option to differentiate between wildcard entries like
"*.example.com" and strict host entries like "example.com".

Since this config option was not released yet, it is safe to
change it without breaking user setups.

Signed-off-by: Erik Michelson <github@erik.michelson.eu>
This commit is contained in:
Erik Michelson
2026-07-05 00:35:16 +02:00
committed by Philip Molares
parent 0ebf0dbc6b
commit c77d64ad6e
2 changed files with 6 additions and 3 deletions
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docs/content/configuration.md
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@@ -45,7 +45,7 @@ to work.*
| `loglevel` | `CMD_LOGLEVEL` | **`info`**, `debug` ... | Defines what kind of logs are provided to stdout. Available options: `debug`, `verbose`, `info`, `warn`, `error` |
| `forbiddenNoteIDs` | `CMD_FORBIDDEN_NOTE_IDS` | **`['robots.txt', 'favicon.ico', 'api', 'build', 'css', 'docs', 'fonts', 'js', 'uploads', 'vendor', 'views']`**, `['robots.txt']` or `'robots.txt'` | disallow creation of notes, even if `allowFreeUrl` or `CMD_ALLOW_FREEURL` is `true` |
| `externalLinkWarning` | `CMD_EXTERNAL_LINK_WARNING` | **`true`**, `false` | When set to `false`, disables the external link warning page entirely. All external links open directly without being routed through the `/_link` redirect. |
| `externalLinkWhitelist` | `CMD_EXTERNAL_LINK_WHITELIST` | **`[]`**, `example.com,trusted.org` | Comma-separated list of domains (and their subdomains) that bypass the external link warning page. Links to these domains open directly without the `/_link` redirect. |
| `externalLinkWhitelist` | `CMD_EXTERNAL_LINK_WHITELIST` | **`[]`**, `example.com,trusted.org,*.example.org` | Comma-separated list of hosts that bypass the external link warning page. An entry like `example.com` matches that host only; prefix with `*.` (e.g. `*.example.com`) to also match all of its subdomains. |
| `imageUploadType` | `CMD_IMAGE_UPLOAD_TYPE` | **`filesystem`**, `imgur`, `s3`, `minio`, `azure`, `lutim` | Where to upload images. For S3, see our Image Upload Guides for [S3](guides/media/s3-image-upload.md) or [Minio](guides/media/minio-image-upload.md), also there's a whole section on their respective env vars below. |
| `sourceURL` | `CMD_SOURCE_URL` | **no default**, `https://github.com/hedgedoc/hedgedoc/tree/<current commit>` | Provides the link to the source code of HedgeDoc on the entry page (Please, make sure you change this when you run a modified version) |
| `tooBusyLag` | `CMD_TOOBUSY_LAG` | **`70`** | CPU time for one event loop tick until node throttles connections. (milliseconds) |