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https://github.com/moparisthebest/prosody-otr
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Change option to e2e_policy, if not set otr_policy still works, add options for different types of encryption
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15
mod_otr.lua
15
mod_otr.lua
@ -23,7 +23,12 @@ local st = require "util.stanza";
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-- mandatory: OTR will be enforced. MUC will not work.
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-- optional: Warn user to suggest OTR. (default)
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-- mixed: OTR will be enforced in all but MUC.
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local policy = module:get_option_string("otr_policy", "optional");
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local policy = module:get_option_string("e2e_policy", module:get_option_string("otr_policy", "optional"));
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local allow_otr = module:get_option_boolean("allow_otr", true);
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local allow_omemo = module:get_option_boolean("allow_omemo", true);
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local allow_xep27_pgp = module:get_option_boolean("allow_xep27_pgp", true);
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local allow_xep373_pgp = module:get_option_boolean("allow_xep373_pgp", true);
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local mandatory;
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local mandatory_msg = "For security reasons, OTR, OMEMO, or PGP encryption is required for conversations on this server";
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@ -66,22 +71,22 @@ local function check_message_otr(event)
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end
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-- If message is OTR, just pass the signal.
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if body:sub(1,4) == "?OTR" then
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if allow_otr and body:sub(1,4) == "?OTR" then
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return nil;
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end
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-- check omemo https://xmpp.org/extensions/inbox/omemo.html
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if event.stanza:get_child("encrypted", "eu.siacs.conversations.axolotl") or event.stanza:get_child("encrypted", "urn:xmpp:omemo:0") then
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if allow_omemo and (event.stanza:get_child("encrypted", "eu.siacs.conversations.axolotl") or event.stanza:get_child("encrypted", "urn:xmpp:omemo:0")) then
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return nil;
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end
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-- check xep27 pgp https://xmpp.org/extensions/xep-0027.html
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if event.stanza:get_child("x", "jabber:x:encrypted") then
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if allow_xep27_pgp and event.stanza:get_child("x", "jabber:x:encrypted") then
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return nil;
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end
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-- check xep373 pgp (OX) https://xmpp.org/extensions/xep-0373.html
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if event.stanza:get_child("openpgp", "urn:xmpp:openpgp:0") then
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if allow_xep373_pgp and event.stanza:get_child("openpgp", "urn:xmpp:openpgp:0") then
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return nil;
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end
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