prosody-modules
ea9941812721
mod_checkcerts/mod_checkcerts.lua

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mod_checkcerts/mod_checkcerts.lua @ 667:ea9941812721

mod_checkcerts: New module that logs a warning when your cert is about to expire.
author Kim Alvefur <zash@zash.se>
date Mon, 21 May 2012 17:02:15 +0200
child 855:1983d4d51e1a
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ea9941812721 mod_checkcerts: New module that logs a warning when your cert is about to expire.
Kim Alvefur <zash@zash.se>
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1 local ssl = require"ssl";
ea9941812721 mod_checkcerts: New module that logs a warning when your cert is about to expire.
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2 if not ssl.cert_from_pem then
ea9941812721 mod_checkcerts: New module that logs a warning when your cert is about to expire.
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3 module:log("error", "This version of LuaSec (%s) doesn't support certificate checking", ssl._VERSION);
ea9941812721 mod_checkcerts: New module that logs a warning when your cert is about to expire.
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4 return
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5 end
ea9941812721 mod_checkcerts: New module that logs a warning when your cert is about to expire.
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6
ea9941812721 mod_checkcerts: New module that logs a warning when your cert is about to expire.
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7 local function check_certs_validity()
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8 local ssl_config = config.rawget(module.host, "core", "ssl");
ea9941812721 mod_checkcerts: New module that logs a warning when your cert is about to expire.
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9 if not ssl_config then
ea9941812721 mod_checkcerts: New module that logs a warning when your cert is about to expire.
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10 local base_host = module.host:match("%.(.*)");
ea9941812721 mod_checkcerts: New module that logs a warning when your cert is about to expire.
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11 ssl_config = config.get(base_host, "core", "ssl");
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12 end
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13
ea9941812721 mod_checkcerts: New module that logs a warning when your cert is about to expire.
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14 if ssl.cert_from_pem and ssl_config.certificate then
ea9941812721 mod_checkcerts: New module that logs a warning when your cert is about to expire.
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15 local certfile = ssl_config.certificate;
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16 local cert;
ea9941812721 mod_checkcerts: New module that logs a warning when your cert is about to expire.
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17 local fh, err = io.open(certfile);
ea9941812721 mod_checkcerts: New module that logs a warning when your cert is about to expire.
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18 cert = fh and fh:read"*a";
ea9941812721 mod_checkcerts: New module that logs a warning when your cert is about to expire.
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19 cert = cert and ssl.cert_from_pem(cert);
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20 if not cert then return end
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21 fh:close();
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22
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23 if not cert:valid_at(os.time()) then
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24 module:log("warn", "The certificate %s has expired", certfile);
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25 elseif not cert:valid_at(os.time()+86400*7) then
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26 module:log("warn", "The certificate %s will expire this week", certfile);
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27 elseif not cert:valid_at(os.time()+86400*30) then
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28 module:log("info", "The certificate %s will expire later this month", certfile);
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29 end
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30 end
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31 end
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32
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33 module.load = check_certs_validity;
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34 module:hook_global("config-reloaded", check_certs_validity);