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annotate mod_block_registrations/README.markdown @ 5472:b80b6947b079

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mod_http_oauth2: Always show early errors to user Before having validated the client_id, communicating an error back to the client via redirect would make this an open redirect, so we may just as well skip past that logic, and especially the warning log message.
author Kim Alvefur <zash@zash.se>
date Thu, 18 May 2023 13:43:17 +0200
parents 72f23107beb4
children
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1 Introduction
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2 ============
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4 On a server with public registration it is usually desirable to prevent
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5 registration of certain "reserved" accounts, such as "admin".
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7 This plugin allows you to reserve individual usernames, or those
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8 matching certain patterns. It also allows you to ensure that usernames
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9 conform to a certain pattern.
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11 Configuration
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12 =============
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13
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14 Enable the module as any other:
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16 modules_enabled = {
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17 "block_registrations";
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18 }
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20 You can then set some options to configure your desired policy:
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22 Option Default Description
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23 ------------------------------ ------------------- -----------------------------------------------------------------------------------------------------------------------------------------------
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24 block_registrations_users *See source code* A list of reserved usernames
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25 block_registrations_matching `{ }` A list of [Lua patterns](http://www.lua.org/manual/5.1/manual.html#5.4.1) matching reserved usernames (slower than block_registrations_users)
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26 block_registrations_require `nil` A pattern that registered user accounts MUST match to be allowed
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27
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28 Some examples:
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29
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30 block_registrations_users = { "admin", "root", "xmpp" }
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31 block_registrations_matching = {
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32 "master$" -- matches anything ending with master: postmaster, hostmaster, webmaster, etc.
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33 }
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34 block_registrations_require = "^[a-zA-Z0-9_.-]+$" -- Allow only simple ASCII characters in usernames
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36 Compatibility
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37 =============
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39 ------ -------
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40 0.12 Works
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41 0.11 Work
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42 ------ -------