Mercurial > prosody-modules
annotate mod_aws_profile/mod_aws_profile.lua @ 4876:0f5f2d4475b9
mod_http_xep227: Add support for import via APIs rather than direct store manipulation
In particular this transitions PEP nodes and data to be imported via mod_pep's
APIs, fixing issues with importing at runtime while PEP data may already be
live in RAM.
Next obvious candidate for this approach is rosters, so clients get immediate
roster pushes and other special handling (such as emitting subscribes to reach
the desired subscription state).
author | Matthew Wild <mwild1@gmail.com> |
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date | Tue, 18 Jan 2022 17:01:18 +0000 |
parents | 1d719d4ef18f |
children | 616c0459aca7 |
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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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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 |