Mercurial > prosody-modules
annotate mod_aws_profile/mod_aws_profile.lua @ 4838:fd2e48d4ac94
mod_bookmarks2: Advertise XEP-0049 support
In the case mod_private isn’t loaded, some clients (like poezio) won’t even
attempt to use Private XML Storage unless this feature is advertised. This is
on the domain JID and not on the account JID!
author | Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> |
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date | Sun, 26 Dec 2021 14:51:35 +0100 |
parents | 1d719d4ef18f |
children | 616c0459aca7 |
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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
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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 |