Mercurial > prosody-modules
annotate mod_aws_profile/mod_aws_profile.lua @ 5173:460f78654864
mod_muc_rtbl: also filter messages
This was a bit tricky because we don't want to run the JIDs
through SHA256 on each message. Took a while to come up with this
simple plan of just caching the SHA256 of the JIDs on the
occupants.
This will leave some dirt in the occupants after unloading the
module, but that should be ok; once they cycle the room, the
hashes will be gone.
This is direly needed, otherwise, there is a tight race between
the moderation activities and the actors joining the room.
author | Jonas Schäfer <jonas@wielicki.name> |
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date | Tue, 21 Feb 2023 21:37:27 +0100 |
parents | 1d719d4ef18f |
children | 616c0459aca7 |
rev | line source |
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mod_aws_profile: New module for role-based access to AWS APIs
Matthew Wild <mwild1@gmail.com>
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1 local http = require "net.http"; |
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2 local json = require "util.json"; |
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3 local parse_timestamp = require "util.datetime".parse; |
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4 |
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5 module:set_global(); |
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6 |
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7 local current_credentials = module:shared("/*/aws_profile/credentials"); |
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8 |
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9 local function get_role_credentials(role_name, cb) |
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10 http.request("http://169.254.169.254/latest/meta-data/iam/security-credentials/"..role_name, nil, function (credentials_json) |
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11 local credentials = credentials_json and json.decode(credentials_json); |
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12 if not credentials or not (credentials.AccessKeyId and credentials.SecretAccessKey) then |
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13 module:log("warn", "Failed to fetch credentials for %q", role_name); |
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14 cb(nil); |
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15 return; |
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16 end |
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17 local expiry = parse_timestamp(credentials.Expiration); |
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18 local ttl = os.difftime(expiry, os.time()); |
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19 cb({ |
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20 access_key = credentials.AccessKeyId; |
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21 secret_key = credentials.SecretAccessKey; |
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22 ttl = ttl; |
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23 expiry = expiry; |
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24 }); |
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25 end); |
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26 end |
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27 |
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28 local function get_credentials(cb) |
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29 http.request("http://169.254.169.254/latest/meta-data/iam/security-credentials", nil, function (role_name) |
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30 role_name = role_name and role_name:match("%S+"); |
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31 if not role_name then |
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32 module:log("warn", "Unable to discover role name"); |
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33 cb(nil); |
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34 return; |
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35 end |
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36 get_role_credentials(role_name, cb); |
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37 end); |
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38 end |
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39 |
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40 function refresh_credentials(force) |
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41 if not force and current_credentials.expiry and current_credentials.expiry - os.time() > 300 then |
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42 return; |
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43 end |
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mod_aws_profile: New module for role-based access to AWS APIs
Matthew Wild <mwild1@gmail.com>
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44 get_credentials(function (credentials) |
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45 if not credentials then |
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46 module:log("warn", "Failed to refresh credentials!"); |
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47 return; |
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48 end |
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49 current_credentials.access_key = credentials.access_key; |
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50 current_credentials.secret_key = credentials.secret_key; |
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51 current_credentials.expiry = credentials.expiry; |
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52 module:timer(credentials.ttl or 240, refresh_credentials); |
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53 module:fire_event("aws_profile/credentials-refreshed", current_credentials); |
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54 end); |
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55 end |
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56 |
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57 function module.load() |
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58 refresh_credentials(true); |
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59 end |