Mercurial > prosody-modules
view mod_ogp/README.markdown @ 5170:4d6af8950016
mod_muc_moderation: Derive role from reserved nickname if occupant
When using a different client to moderate than the one used to
participate in the chat, e.g. a command line tool like clix, there's no
occupant and no role to use in the permission check. Previously the
default role based on affiliation was used. Now if you are present in
the room using your reserved nick, the role you have there is used in
the permission check instead of the default affiliation-derived role.
| author | Kim Alvefur <zash@zash.se> |
|---|---|
| date | Sun, 19 Feb 2023 18:17:37 +0100 |
| parents | 09f0911c735d |
| children |
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# mod_ogp This module adds [Open Graph Protocol](https://ogp.me) metadata to URLs sent inside a MUC. With mod_ogp enabled, when a user sends a URL in a MUC (where the message has its `id` equal to its `origin-id`), the module calls the URL and parses the result for `<meta>` html tags that have any `og:...` properties. If it finds any, it sends a [XEP-0422 fastening](https://xmpp.org/extensions/xep-0422.html) applied to the original message that looks like: ```xml <message id="example" from="chatroom@muc.example.org" to="user@chat.example.org/resource"> <apply-to xmlns="urn:xmpp:fasten:0" id="origin-id-X"> <meta xmlns="http://www.w3.org/1999/xhtml" property="og:title" content="The Rock"/> <meta xmlns="http://www.w3.org/1999/xhtml" property="og:url" content="https://www.imdb.com/title/tt0117500/"/> <meta xmlns="http://www.w3.org/1999/xhtml" property="og:image" content="https://ia.media-imdb.com/images/rock.jpg"/> </apply-to> </message> ``` The module is intentionally simple in the sense that it is basically a transport for https://ogp.me/ Configuration ------------- You can present an allowlist or denylist of domains for which OGP metadata will be fetched via the `ogp_domain_allowlist` and `ogp_domain_denylist` settings repectively. For example: ```lua Component "muc.example.org" "muc" modules_enabled = { "ogp" } ogp_domain_allowlist = { "prosody.im" } ```