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This rewrite follows the principles of https://diataxis.fr/ Co-authored-by: Erik Michelson <github@erik.michelson.eu> Signed-off-by: Philip Molares <philip.molares@udo.edu> Signed-off-by: Erik Michelson <github@erik.michelson.eu>
74 lines
3.8 KiB
Markdown
74 lines
3.8 KiB
Markdown
# WebDAV
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You can use any [WebDAV][webdav] server to handle your image uploads in HedgeDoc.
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The WebDAV server must host the files in a way that allows HedgeDoc to request and receive them.
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You just add the following lines to your configuration:
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(with the appropriate substitution for `<CONNECTION_STRING>`,
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`<UPLOAD_DIR>`, and `<PUBLIC_URL>` of course)
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```dotemv
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HD_MEDIA_BACKEND="webdav"
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HD_MEDIA_BACKEND_WEBDAV_CONNECTION_STRING="<CONNECTION_STRING>"
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HD_MEDIA_BACKEND_WEBDAV_UPLOAD_DIR="<UPLOAD_DIR>"
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HD_MEDIA_BACKEND_WEBDAV_PUBLIC_URL="<PUBLIC_URL>"
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```
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The `<CONNECTION_STRING>` should include the username and password (if needed)
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in the familiar way of `schema://user:password@url`.
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With `<UPLOAD_DIR>` you can specify a folder you want to upload to,
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but you can also omit this (just don't spcify this value at all),
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if you prefer to upload directly to the root of the WebDAV server.
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Finally, `<PUBLIC_URL>` specifies with which url HedgeDoc can access the upload. For this purpose
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the filename will be appended to `<PUBLIC_URL>`. So the file `test.png` with `<PUBLIC_URL>`
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`https://dav.example.com` should be accessible via `https://dav.example.com/test.png`.
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## Using Nextcloud
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If you want to use Nextcloud as a WebDAV server, follow the following instructions:
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This guide was written using Nextcloud 21 in April 2021.
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Because the username and app password will be included in the config, we suggest using
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a dedicated Nextcloud user for the uploads.
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In this example the username will be `TestUser`.
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1. Create an app password by going to `Settings` > `Security`. Nextcloud will generate a password
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for you. Let's assume it's `passw0rd`.
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2. In the Files app [create a new folder][nextcloud-folder] that will hold
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your uploads (e.g `HedgeDoc`).
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3. [Share][nextcloud-share] the newly created folder. The folder should (per default) be configured
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with the option `Read Only` (which we will assume in this guide), but
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`Allow upload and editing` should be fine, too.
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4. Get the public link of the share. It should be in your clipboard after creation. If not you
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can copy it by clicking the clipboard icon at the end of the line of `Share link`. We'll assume
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it is `https://cloud.example.com/s/some-id` in the following.
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5. Append `/download?path=%2F&files=` to this URL. To continue with our example
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the url should now be `https://cloud.example.com/s/some-id/download?path=%2F&files=`.
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6. Get the [WebDAV url of you Nextcloud server][nextcloud-webdav]. It should be located in the
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Files app in the bottom left corner under `Settings` > `WebDAV`. We'll assume it is
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`https://cloud.example.com/remote.php/dav/files/TestUser/` in the following.
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7. Add your login information to the link. This is done by adding `username:password@` in between
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the url schema (typically `https://`) and the rest of the url
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(`cloud.example.com/remote.php/dav/files/TestUser/` in our example). The WebDAV url in our
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example should now look like this
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`https://TestUser:passw0rd@cloud.example.com/remote.php/dav/files/TestUser/`.
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8. Configure HedgeDoc:
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```dotenv
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HD_MEDIA_BACKEND="webdav"
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HD_MEDIA_BACKEND_WEBDAV_CONNECTION_STRING="https://TestUser:passw0rd@cloud.example.com/remote.php/dav/files/TestUser/"
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HD_MEDIA_BACKEND_WEBDAV_UPLOAD_DIR="HedgeDoc"
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HD_MEDIA_BACKEND_WEBDAV_PUBLIC_URL="https://cloud.example.com/s/some-id/download?path=%2F&files="
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```
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Start using image uploads backed by Nextclouds WebDAV server.
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[webdav]: https://en.wikipedia.org/wiki/WebDAV
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[nextcloud-folder]: https://docs.nextcloud.com/server/latest/user_manual/en/files/access_webgui.html#creating-or-uploading-files-and-directories
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[nextcloud-share]: https://docs.nextcloud.com/server/latest/user_manual/en/files/sharing.html#public-link-shares
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[nextcloud-webdav]: https://docs.nextcloud.com/server/latest/user_manual/en/files/access_webdav.html
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