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mod_mam/README.markdown @ 1835:6234e67ebe7a

mod_mam/README: Reorganise config options under sub-headings and rewrite description of options
author Kim Alvefur <zash@zash.se>
date Wed, 09 Sep 2015 15:27:31 +0200
parent 1820:8de50be756e5
child 1976:cd36e5bf00b3
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1 ---
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2 labels:
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3 - 'Stage-Beta'
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4 summary: 'XEP-0313: Message Archive Management'
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5 ...
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6
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7 Introduction
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8 ============
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9
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10 Implementation of [XEP-0313: Message Archive
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11 Management](http://xmpp.org/extensions/xep-0313.html).
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12
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13 Details
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14 =======
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15
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16 This module will archive all messages that match the simple rules setup
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17 by the user, and allow the user to access this archive.
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18
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19 Usage
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20 =====
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21
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22 First copy the module to the prosody plugins directory.
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23
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24 Then add "mam" to your modules\_enabled list:
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25
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26 ``` {.lua}
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27 modules_enabled = {
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28 -- ...
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29 "mam",
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30 -- ...
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31 }
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32 ```
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33
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34 Configuration
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35 =============
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36
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37 Storage backend
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38 ---------------
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40 mod\_mam uses the store "archive2"[^1]. See [Prosodys data storage
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41 documentation](https://prosody.im/doc/storage) for information on how to
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42 configure storage.
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43
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44 For example, to use mod\_storage\_sql2[^2]:
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46 ``` {.lua}
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47 storage = {
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48 archive2 = "sql2";
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49 }
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50 ```
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51
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52 Query size limits
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53 -----------------
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55 max_archive_query_results = 20;
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56
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57 This is the largest number of messages that are allowed to be retrieved
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58 in one request *page*. A query that does not fit in one page will
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59 include a reference to the next page, letting clients page through the
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60 result set. Setting large number is not recomended, as Prosody will be
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61 blocked while processing the request and will not be able to do anything
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62 else.
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63
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64 Message matching policy
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65 -----------------------
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66
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67 The MAM protocol includes a way for clients to control what messages
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68 should be stored. This allows users to enable or disable archiving by
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69 default or for specific contacts. This module will log no messages by
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70 default, for privacy concerns. If you decide to change this, you should
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71 inform your users.
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72
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73 ``` {.lua}
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74 default_archive_policy = false
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75 ```
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76
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77 `default_archive_policy =` Meaning
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78 ---------------------------- ------------------------------------------------------
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79 `false` Store no messages. This is the default.
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80 `"roster"` Store messages to/from contacts in the users roster.
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81 `true` Store all messages.
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82
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83 Compatibility
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84 =============
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85
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86 ------- ---------------
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87 trunk Works
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88 0.10 Works [^3]
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89 0.9 Unsupported
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90 0.8 Does not work
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91 ------- ---------------
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92
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93 [^1]: Might be changed to "mam" at some point
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94
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95 [^2]: mod\_storage\_sql2 will replace mod\_storage\_sql at some point
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96
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97 [^3]: requires a storage driver with archive support, eg
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98 mod\_storage\_sql2 in 0.10