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MyShaarli/doc/md/Shaarli-configuration.md
ArthurHoaro 6a4872520c Automatically retrieve description for new bookmarks 
If the option is enabled, it will try to find a meta tag containing
the page description and keywords, just like we do for the page title.
It will either look for regular meta tag or OpenGraph ones.

The option is disabled by default.

Note that keywords meta tags is mostly not used.

In `configure` template, the variable associated with this setting
is `$retrieve_description`.

Fixes #1302
2019-07-06 12:21:52 +02:00

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## Foreword
**Do not edit configuration options in index.php! Your changes would be lost.**
Once your Shaarli instance is installed, the file `data/config.json.php` is generated:
* it contains all settings in JSON format, and can be edited to customize values
* it defines which [plugins](Plugin-System) are enabled
* its values override those defined in `index.php`
* it is wrap in a PHP comment to prevent anyone accessing it, regardless of server configuration
## File and directory permissions
The server process running Shaarli must have:
- `read` access to the following resources:
- PHP scripts: `index.php`, `application/*.php`, `plugins/*.php`
- 3rd party PHP and Javascript libraries: `inc/*.php`, `inc/*.js`
- static assets:
- CSS stylesheets: `inc/*.css`
- `images/*`
- RainTPL templates: `tpl/*.html`
- `read`, `write` and `execution` access to the following directories:
- `cache` - thumbnail cache
- `data` - link data store, configuration options
- `pagecache` - Atom/RSS feed cache
- `tmp` - RainTPL page cache
On a Linux distribution:
- the web server user will likely be `www` or `http` (for Apache2)
- it will be a member of a group of the same name: `www:www`, `http:http`
- to give it access to Shaarli, either:
- unzip Shaarli in the default web server location (usually `/var/www/`) and set the web server user as the owner
- put users in the same group as the web server, and set the appropriate access rights
- if you have a domain / subdomain to serve Shaarli, [configure the server](Server-configuration) accordingly
## Configuration
In `data/config.json.php`.
See also [Plugin System](Plugin-System).
### Credentials
_These settings should not be edited_
- **login**: Login username.
- **hash**: Generated password hash.
- **salt**: Password salt.
### General
- **title**: Shaarli's instance title.
- **header_link**: Link to the homepage.
- **links_per_page**: Number of shaares displayed per page.
- **timezone**: See [the list of supported timezones](http://php.net/manual/en/timezones.php).
- **enabled_plugins**: List of enabled plugins.
- **default_note_title**: Default title of a new note.
- **retrieve_description** (boolean): If set to true, for every new links Shaarli will try
to retrieve the description and keywords from the HTML meta tags.
### Security
- **session_protection_disabled**: Disable session cookie hijacking protection (not recommended).
It might be useful if your IP adress often changes.
- **ban_after**: Failed login attempts before being IP banned.
- **ban_duration**: IP ban duration in seconds.
- **open_shaarli**: Anyone can add a new link while logged out if enabled.
- **trusted_proxies**: List of trusted IP which won't be banned after failed login attemps. Useful if Shaarli is behind a reverse proxy.
- **allowed_protocols**: List of allowed protocols in shaare URLs or markdown-rendered descriptions. Useful if you want to store `javascript:` links (bookmarklets) in Shaarli (default: `["ftp", "ftps", "magnet"]`).
### Resources
- **data_dir**: Data directory.
- **datastore**: Shaarli's links database file path.
- **history**: Shaarli's operation history file path.
- **updates**: File path for the ran updates file.
- **log**: Log file path.
- **update_check**: Last update check file path.
- **raintpl_tpl**: Templates directory.
- **raintpl_tmp**: Template engine cache directory.
- **thumbnails_cache**: Thumbnails cache directory.
- **page_cache**: Shaarli's internal cache directory.
- **ban_file**: Banned IP file path.
### Translation
- **language**: translation language (also see [Translations](Translations))
- **auto** (default): The translation language is chosen from the browser locale.
It means that the language can be different for 2 different visitors depending on their locale.
- **en**: Use the English translation.
- **fr**: Use the French translation.
- **mode**:
- **auto** or **php** (default): Use the PHP implementation of gettext (slower)
- **gettext**: Use PHP builtin gettext extension
(faster, but requires `php-gettext` to be installed and to reload the web server on update)
- **extension**: Translation extensions for custom themes or plugins.
Must be an associative array: `translation domain => translation path`.
### Updates
- **check_updates**: Enable or disable update check to the git repository.
- **check_updates_branch**: Git branch used to check updates (e.g. `stable` or `master`).
- **check_updates_interval**: Look for new version every N seconds (default: every day).
### Privacy
- **default_private_links**: Check the private checkbox by default for every new link.
- **hide_public_links**: All links are hidden while logged out.
- **force_login**: if **hide_public_links** and this are set to `true`, all anonymous users are redirected to the login page.
- **hide_timestamps**: Timestamps are hidden.
- **remember_user_default**: Default state of the login page's *remember me* checkbox
- `true`: checked by default, `false`: unchecked by default
### Feed
- **rss_permalinks**: Enable this to redirect RSS links to Shaarli's permalinks instead of shaared URL.
- **show_atom**: Display ATOM feed button.
### Thumbnail
- **enable_thumbnails**: Enable or disable thumbnail display.
- **enable_localcache**: Enable or disable local cache.
## Configuration file example
```json
<?php /*
{
"credentials": {
"login": "<login>",
"hash": "<password hash>",
"salt": "<password salt>"
},
"security": {
"ban_after": 4,
"session_protection_disabled": false,
"ban_duration": 1800,
"trusted_proxies": [
"1.2.3.4",
"5.6.7.8"
],
"allowed_protocols": [
"ftp",
"ftps",
"magnet"
]
},
"resources": {
"data_dir": "data",
"config": "data\/config.php",
"datastore": "data\/datastore.php",
"ban_file": "data\/ipbans.php",
"updates": "data\/updates.txt",
"log": "data\/log.txt",
"update_check": "data\/lastupdatecheck.txt",
"raintpl_tmp": "tmp\/",
"raintpl_tpl": "tpl\/",
"thumbnails_cache": "cache",
"page_cache": "pagecache"
},
"general": {
"check_updates": true,
"rss_permalinks": true,
"links_per_page": 20,
"default_private_links": true,
"enable_thumbnails": true,
"enable_localcache": true,
"check_updates_branch": "stable",
"check_updates_interval": 86400,
"enabled_plugins": [
"markdown",
"wallabag",
"archiveorg"
],
"timezone": "Europe\/Paris",
"title": "My Shaarli",
"header_link": "?"
},
"extras": {
"show_atom": false,
"hide_public_links": false,
"hide_timestamps": false,
"open_shaarli": false,
},
"general": {
"header_link": "?",
"links_per_page": 20,
"enabled_plugins": [
"markdown",
"wallabag"
],
"timezone": "Europe\/Paris",
"title": "My Shaarli"
},
"updates": {
"check_updates": true,
"check_updates_branch": "stable",
"check_updates_interval": 86400
},
"feed": {
"rss_permalinks": true,
"show_atom": false
},
"privacy": {
"default_private_links": true,
"hide_public_links": false,
"force_login": false,
"hide_timestamps": false,
"remember_user_default": true
},
"thumbnail": {
"enable_thumbnails": true,
"enable_localcache": true
},
"plugins": {
"WALLABAG_URL": "http://demo.wallabag.org",
"WALLABAG_VERSION": "1"
},
"translation": {
"language": "fr",
"mode": "php",
"extensions": {
"demo": "plugins/demo_plugin/languages/"
}
}
} ?>
```
## Additional configuration
The `playvideos` plugin may require that you adapt your server's
[Content Security Policy](https://github.com/shaarli/Shaarli/blob/master/plugins/playvideos/README.md#troubleshooting)
configuration to work properly.
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