Mercurial > prosody-modules
annotate mod_aws_profile/mod_aws_profile.lua @ 5818:d3b69859553a
mod_password_policy: Change error type from 'cancel' to 'modify'
This makes more sense, as the problem relates to the data that has been
entered, and therefore the request could be retried with different data.
author | Matthew Wild <mwild1@gmail.com> |
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date | Mon, 08 Jan 2024 17:28:39 +0000 |
parents | 616c0459aca7 |
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rev | line source |
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3698
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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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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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616c0459aca7
mod_aws_profile: Fix use of timer API
Kim Alvefur <zash@zash.se>
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52 module:add_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 |