view mod_map/README.markdown @ 4651:8231774f5bfd

mod_cloud_notify_encrypted: Ensure body substring remains valid UTF-8 The `body:sub()` call risks splitting the string in the middle of a multi-byte UTF-8 sequence. This should have been caught by util.stanza validation, but that would have caused some havoc, at the very least causing the notification to not be sent. There have been no reports of this happening. Likely because this module isn't widely deployed among users with languages that use many longer UTF-8 sequences. The util.encodings.utf8.valid() function is O(n) where only the last sequence really needs to be checked, but it's in C and expected to be fast.
author Kim Alvefur <zash@zash.se>
date Sun, 22 Aug 2021 13:22:59 +0200
parents d31fa28d9482
children
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---
labels:
- 'Stage-Experimental'
summary: Prototype MAM summary
---

This is a prototype for an experimental archive summary API recently
added in [Prosody trunk](https://hg.prosody.im/trunk/rev/2c5546cc5c70).

# Protocol

::: {.alert .alert-danger}
This is not a finished protocol, but a prototype meant for testing.
:::

A basic query:

``` {.xml}
<iq id="lx7" type="get">
  <summary xmlns="xmpp:prosody.im/mod_map"/>
</iq>
```

Answered like:

``` {.xml}
<iq type="result" id="lx7">
  <summary xmlns="xmpp:prosody.im/mod_map">
    <item jid="juliet@capulet.lit">
      <count>3</count>
      <start>2019-02-25T15:48:00+0100</start>
      <end>2019-08-23T01:39:50+02:00</end>
      <body>O Romeo, Romeo! wherefore art thou Romeo?</body>
    </item>
  </summary>
</iq>
```

It can also take dataform and RSM parameters similar to a [filtered MAM
query](https://xmpp.org/extensions/xep-0313.html#filter).

E.g if the last message you received had an id `09af3-cc343-b409f` then
the following query would tell you who sent you messages since:

``` {.xml}
<iq id="lx8" type="get">
  <summary xmlns="xmpp:prosody.im/mod_map">
    <set xmlns="http://jabber.org/protocol/rsm">
      <max>10</max>
      <after>09af3-cc343-b409f</after>
    </set>
  </summary>
</iq>
```