Software /
code /
prosody-modules
Annotate
mod_ogp/README.markdown @ 4930:13070c6a7ce8
mod_http_muc_log: Fix exception on lack of trailing slash in room path
A request to /room leads to the match call returning nil which in turn
calls nodeprep(nil). In Prosody 0.11.x this does nothing and simply
returns the nil, while in 0.12 it is an error.
Now it redirects to the calendar view at /room/ - even for non-existant
rooms.
Discovered at a deployment with http_paths = { muc_log = "/" } and
requests to /robots.txt and similar, which now result in a uses redirect
before returning 404.
author | Kim Alvefur <zash@zash.se> |
---|---|
date | Fri, 22 Apr 2022 14:29:32 +0200 |
parent | 4598:09f0911c735d |
rev | line source |
---|---|
4460 | 1 # mod_ogp |
2 | |
3 This module adds [Open Graph Protocol](https://ogp.me) metadata to URLs sent inside a MUC. | |
4 | |
5 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. | |
6 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: | |
7 | |
4484
6813a00878ea
mod_ogp/README: Annotate example as XML to enable syntax highlighting
Kim Alvefur <zash@zash.se>
parents:
4483
diff
changeset
|
8 ```xml |
4597
c858c76d0845
mod_tweet_data: New module that fetches and sends tweet data
JC Brand <jc@opkode.com>
parents:
4485
diff
changeset
|
9 <message id="example" from="chatroom@muc.example.org" to="user@chat.example.org/resource"> |
4483
c4f11a4b5ac7
mod_ogp: Add the ability to whitelist domains
JC Brand <jc@opkode.com>
parents:
4460
diff
changeset
|
10 <apply-to xmlns="urn:xmpp:fasten:0" id="origin-id-X"> |
c4f11a4b5ac7
mod_ogp: Add the ability to whitelist domains
JC Brand <jc@opkode.com>
parents:
4460
diff
changeset
|
11 <meta xmlns="http://www.w3.org/1999/xhtml" property="og:title" content="The Rock"/> |
c4f11a4b5ac7
mod_ogp: Add the ability to whitelist domains
JC Brand <jc@opkode.com>
parents:
4460
diff
changeset
|
12 <meta xmlns="http://www.w3.org/1999/xhtml" property="og:url" content="https://www.imdb.com/title/tt0117500/"/> |
c4f11a4b5ac7
mod_ogp: Add the ability to whitelist domains
JC Brand <jc@opkode.com>
parents:
4460
diff
changeset
|
13 <meta xmlns="http://www.w3.org/1999/xhtml" property="og:image" content="https://ia.media-imdb.com/images/rock.jpg"/> |
c4f11a4b5ac7
mod_ogp: Add the ability to whitelist domains
JC Brand <jc@opkode.com>
parents:
4460
diff
changeset
|
14 </apply-to> |
c4f11a4b5ac7
mod_ogp: Add the ability to whitelist domains
JC Brand <jc@opkode.com>
parents:
4460
diff
changeset
|
15 </message> |
4460 | 16 ``` |
17 | |
18 The module is intentionally simple in the sense that it is basically a transport for https://ogp.me/ | |
4483
c4f11a4b5ac7
mod_ogp: Add the ability to whitelist domains
JC Brand <jc@opkode.com>
parents:
4460
diff
changeset
|
19 |
c4f11a4b5ac7
mod_ogp: Add the ability to whitelist domains
JC Brand <jc@opkode.com>
parents:
4460
diff
changeset
|
20 Configuration |
c4f11a4b5ac7
mod_ogp: Add the ability to whitelist domains
JC Brand <jc@opkode.com>
parents:
4460
diff
changeset
|
21 ------------- |
c4f11a4b5ac7
mod_ogp: Add the ability to whitelist domains
JC Brand <jc@opkode.com>
parents:
4460
diff
changeset
|
22 |
4598
09f0911c735d
mod_ogp: Add the ability to block OGP fetching for certain domains
JC Brand <jc@opkode.com>
parents:
4597
diff
changeset
|
23 You can present an allowlist or denylist of domains for which OGP metadata will be fetched |
09f0911c735d
mod_ogp: Add the ability to block OGP fetching for certain domains
JC Brand <jc@opkode.com>
parents:
4597
diff
changeset
|
24 via the `ogp_domain_allowlist` and `ogp_domain_denylist` settings repectively. |
4483
c4f11a4b5ac7
mod_ogp: Add the ability to whitelist domains
JC Brand <jc@opkode.com>
parents:
4460
diff
changeset
|
25 |
c4f11a4b5ac7
mod_ogp: Add the ability to whitelist domains
JC Brand <jc@opkode.com>
parents:
4460
diff
changeset
|
26 For example: |
c4f11a4b5ac7
mod_ogp: Add the ability to whitelist domains
JC Brand <jc@opkode.com>
parents:
4460
diff
changeset
|
27 |
4485
2c4b65bfac62
mod_ogp/README: Add Lua language annotation to prosody config snippet
Kim Alvefur <zash@zash.se>
parents:
4484
diff
changeset
|
28 ```lua |
2c4b65bfac62
mod_ogp/README: Add Lua language annotation to prosody config snippet
Kim Alvefur <zash@zash.se>
parents:
4484
diff
changeset
|
29 Component "muc.example.org" "muc" |
2c4b65bfac62
mod_ogp/README: Add Lua language annotation to prosody config snippet
Kim Alvefur <zash@zash.se>
parents:
4484
diff
changeset
|
30 modules_enabled = { "ogp" } |
4598
09f0911c735d
mod_ogp: Add the ability to block OGP fetching for certain domains
JC Brand <jc@opkode.com>
parents:
4597
diff
changeset
|
31 ogp_domain_allowlist = { "prosody.im" } |
4485
2c4b65bfac62
mod_ogp/README: Add Lua language annotation to prosody config snippet
Kim Alvefur <zash@zash.se>
parents:
4484
diff
changeset
|
32 ``` |