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34 lines
1.3 KiB
Lua
34 lines
1.3 KiB
Lua
require "base64"
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sasl = {}
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function sasl:new_plain(onAuth, onSuccess, onFail, onWrite)
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local object = { mechanism = "PLAIN", onAuth = onAuth, onSuccess = onSuccess, onFail = onFail,
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onWrite = onWrite}
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local challenge = base64.encode("");
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onWrite(stanza.stanza("challenge", {xmlns = "urn:ietf:params:xml:ns:xmpp-sasl"}):text(challenge))
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object.feed = function(self, stanza)
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if (stanza.name ~= "response") then self.onFail() end
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if (stanza.attr.xmlns ~= "urn:ietf:params:xml:ns:xmpp-sasl") then self.onFail() end
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local response = base64.decode(stanza.tag[1])
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local authorization = string.match(response, [[([^&\0]+)]])
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local authentication = string.match(response, [[\0([^&\0]+)\0]])
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local password = string.match(response, [[\0[^&\0]+\0([^&\0]+)]])
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if self.onAuth(authorization, password) == true then
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self.onWrite(stanza.stanza("success", {xmlns = "urn:ietf:params:xml:ns:xmpp-sasl"}))
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self.onSuccess()
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else
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self.onWrite(stanza.stanza("failure", {xmlns = "urn:ietf:params:xml:ns:xmpp-sasl"}):tag("temporary-auth-failure"));
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end
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end
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return object
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end
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function sasl:new(mechanism, onAuth, onSuccess, onFail, onWrite)
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local object
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if mechanism == "PLAIN" then object = new_plain(onAuth, onSuccess, onFail, onWrite)
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else onFail()
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end
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return object
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end
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module "sasl"
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