Mercurial > prosody-modules
annotate mod_block_registrations/mod_block_registrations.lua @ 4877:adc6241e5d16
mod_measure_process: Report the enforced limit
The soft limit is what the kernel actually enforces, while the hard
limit is is how far you can change the soft limit without privileges.
Unless the process dynamically adjusts the soft limit, knowing the hard
limit is not as useful as knowing the soft limit.
Reporting the soft limit and the number of in-use FDs allows placing
alerts on expressions like 'process_open_fds / process_max_fds >= 0.95'
author | Kim Alvefur <zash@zash.se> |
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date | Tue, 18 Jan 2022 18:55:20 +0100 |
parents | 27aa58ed3e2e |
children | 368bf9b06484 |
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mod_block_registrations: Allow restricting registrations of certain user accounts, and/or ensure that registered accounts conform to a given pattern
Matthew Wild <mwild1@gmail.com>
parents:
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1 local st = require "util.stanza"; |
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mod_block_registrations: Allow restricting registrations of certain user accounts, and/or ensure that registered accounts conform to a given pattern
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2 local nodeprep = require "util.encodings".stringprep.nodeprep; |
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Matthew Wild <mwild1@gmail.com>
parents:
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3 |
cabbcc1997d9
mod_block_registrations: Allow restricting registrations of certain user accounts, and/or ensure that registered accounts conform to a given pattern
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4 local block_users = module:get_option_set("block_registrations_users", { "admin" }); |
cabbcc1997d9
mod_block_registrations: Allow restricting registrations of certain user accounts, and/or ensure that registered accounts conform to a given pattern
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5 local block_patterns = module:get_option_set("block_registrations_matching", {}); |
cabbcc1997d9
mod_block_registrations: Allow restricting registrations of certain user accounts, and/or ensure that registered accounts conform to a given pattern
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parents:
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6 local require_pattern = module:get_option_string("block_registrations_require"); |
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7 |
cabbcc1997d9
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8 function is_blocked(username) |
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9 -- Check if the username is simply blocked |
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10 if block_users:contains(username) then return true; end |
cabbcc1997d9
mod_block_registrations: Allow restricting registrations of certain user accounts, and/or ensure that registered accounts conform to a given pattern
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11 |
cabbcc1997d9
mod_block_registrations: Allow restricting registrations of certain user accounts, and/or ensure that registered accounts conform to a given pattern
Matthew Wild <mwild1@gmail.com>
parents:
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12 for pattern in block_patterns do |
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mod_block_registrations: string.find is faster than string.match when only needing a boolean answer
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13 if username:find(pattern) then |
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14 return true; |
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15 end |
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16 end |
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17 -- Not blocked, but check that username matches allowed pattern |
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parents:
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18 if require_pattern and not username:match(require_pattern) then |
cabbcc1997d9
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Matthew Wild <mwild1@gmail.com>
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19 return true; |
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20 end |
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21 end |
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parents:
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22 |
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mod_block_registrations: Switch to using the 'user-registering' event
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23 module:hook("user-registering", function(event) |
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24 local username = event.username; |
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25 if is_blocked(username) then |
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26 event.allowed = false; |
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27 return true; |
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28 end |
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29 end, 10); |