Mercurial > prosody-modules
annotate mod_auth_token/token_auth_utils.lib.lua @ 6261:1c62edeb9147
mod_pastebin: Update Readme
diff --git a/mod_pastebin/README.md b/mod_pastebin/README.md
--- a/mod_pastebin/README.md
+++ b/mod_pastebin/README.md
@@ -37,12 +37,14 @@ For example:
Pastes will be available by default at
`http://<your-prosody>:5280/pastebin/` by default.
-In Prosody 0.9 and later this can be changed with [HTTP
-settings](https://prosody.im/doc/http).
+Ports and path can be changed with [HTTP
+settings](https://prosody.im/doc/http), for example like:
-In 0.8 and older this can be changed with `pastebin_ports` (see below),
-or you can forward another external URL from your web server to Prosody,
-use `pastebin_url` to set that URL.
+``` {.lua}
+ http_paths = {
+ pastebin = "/$host-paste";
+ }
+```
# Discovery
@@ -82,27 +84,16 @@ The line and character tresholds are adv
pastebin_line_threshold The maximum number of lines a message may have before it is sent to the pastebin. (default 4 lines)
pastebin_trigger A string of characters (e.g. "!paste ") which if detected at the start of a message, always sends the message to the pastebin, regardless of length. (default: not set)
pastebin_expire_after Number of hours after which to expire (remove) a paste, defaults to 24. Set to 0 to store pastes permanently on disk.
- pastebin_ports List of ports to run the HTTP server on, same format as mod_httpserver's http_ports[^1]
- pastebin_url Base URL to display for pastebin links, must end with / and redirect to Prosody's built-in HTTP server[^2]
# Compatibility
- ------ -------
- trunk Works
+ ------ ---------------------
+ trunk Works as of 25-06-13
+ 13 Works
0.12 Works
- 0.11 Works
- 0.10 Works
- 0.9 Works
- 0.8 Works
- ------ -------
+ ------ ---------------------
# Todo
- Maximum paste length
- Web interface to submit pastes?
-
-[^1]: As of Prosody 0.9, `pastebin_ports` is replaced by `http_ports`,
- see [Prosody HTTP server documentation](https://prosody.im/doc/http)
-
-[^2]: See also
- [http_external_url](https://prosody.im/doc/http#external_url)
| author | Menel <menel@snikket.de> |
|---|---|
| date | Fri, 13 Jun 2025 11:39:58 +0200 |
| parents | 0fb12a4b6106 |
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1 local base64 = require "util.encodings".base64; |
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2 local hmac = require "openssl.hmac"; |
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3 local luatz = require "luatz"; |
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4 local otp = require "otp"; |
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5 |
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6 local DIGEST_TYPE = "SHA256"; |
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7 local OTP_DEVIATION = 1; |
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8 local OTP_DIGITS = 8; |
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9 local OTP_INTERVAL = 30; |
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10 |
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11 local nonce_cache = {}; |
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12 |
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13 local function check_nonce(jid, otp_value, nonce) |
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14 -- We cache all nonces used per OTP, to ensure that a token cannot be used |
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15 -- more than once. |
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16 -- |
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17 -- We assume that the OTP is valid in the current time window. This is the |
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18 -- case because we only call check_nonce *after* the OTP has been verified. |
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19 -- |
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20 -- We only store one OTP per JID, so if a new OTP comes in, we wipe the |
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21 -- previous OTP and its cached nonces. |
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22 if nonce_cache[jid] == nil or nonce_cache[jid][otp_value] == nil then |
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23 nonce_cache[jid] = {} |
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24 nonce_cache[jid][otp_value] = {} |
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25 nonce_cache[jid][otp_value][nonce] = true |
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26 return true; |
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27 end |
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28 if nonce_cache[jid][otp_value][nonce] == true then |
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29 return false; |
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30 else |
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31 nonce_cache[jid][otp_value][nonce] = true; |
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32 return true; |
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33 end |
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34 end |
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35 |
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36 |
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37 local function verify_token(username, password, otp_seed, token_secret, log) |
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38 local totp = otp.new_totp_from_key(otp_seed, OTP_DIGITS, OTP_INTERVAL) |
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39 local token = string.match(password, "(%d+) ") |
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40 local otp_value = token:sub(1,8) |
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41 local nonce = token:sub(9) |
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42 local signature = base64.decode(string.match(password, " (.+)")) |
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43 local jid = username.."@"..module.host |
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44 |
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45 if totp:verify(otp_value, OTP_DEVIATION, luatz.time()) then |
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46 log("debug", "The TOTP was verified"); |
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47 local hmac_ctx = hmac.new(token_secret, DIGEST_TYPE) |
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48 if signature == hmac_ctx:final(otp_value..nonce..jid) then |
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49 log("debug", "The key was verified"); |
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50 if check_nonce(jid, otp_value, nonce) then |
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51 log("debug", "The nonce was verified"); |
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52 return true; |
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53 end |
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54 end |
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55 end |
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56 log("debug", "Verification failed"); |
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57 return false; |
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58 end |
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59 |
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60 return { |
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61 OTP_DEVIATION = OTP_DIGITS, |
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62 OTP_DIGITS = OTP_DIGITS, |
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63 OTP_INTERVAL = OTP_INTERVAL, |
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64 DIGEST_TYPE = DIGEST_TYPE, |
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65 verify_token = verify_token; |
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66 } |
