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annotate mod_adhoc/adhoc/adhoc.lib.lua @ 124:843cadf36306

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mod_adhoc*: Move state handling to mod_adhoc itself
author Florian Zeitz <florob@babelmonkeys.de>
date Sat, 23 Jan 2010 04:43:28 +0100
parents c04443ea114c
children b8a89ebf71e3
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843cadf36306 mod_adhoc*: Move state handling to mod_adhoc itself
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1 local st, uuid = require "util.stanza", require "util.uuid";
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3 local xmlns_cmd = "http://jabber.org/protocol/commands";
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5 local states = {}
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7 local _M = {};
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9 function _cmdtag(desc, status, sessionid, action)
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10 local cmd = st.stanza("command", { xmlns = xmlns_cmd, node = desc.node, status = status });
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11 if sessionid then cmd.attr.sessionid = sessionid; end
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12 if action then cmd.attr.action = action; end
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14 return cmd;
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15 end
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17 function _M.new(name, node, handler, permission)
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18 return { name = name, node = node, handler = handler, cmdtag = _cmdtag, permission = (permission or "user") };
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19 end
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21 function _M.handle_cmd(command, origin, stanza)
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22 local sessionid = stanza.tags[1].attr.sessionid or uuid.generate();
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23 local dataIn = {};
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24 dataIn.to = stanza.attr.to;
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25 dataIn.from = stanza.attr.from;
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26 dataIn.action = stanza.tags[1].attr.action or nil;
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27 dataIn.form = stanza.tags[1]:child_with_ns("jabber:x:data");
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29 local data, state = command:handler(dataIn, states[sessionid]);
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30 states[sessionid] = state;
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31 local stanza = st.reply(stanza);
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32 if data.status == "completed" then
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33 states[sessionid] = nil;
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34 cmdtag = command:cmdtag("completed", sessionid);
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35 elseif data.status == "canceled" then
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36 states[sessionid] = nil;
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37 cmdtag = command:cmdtag("canceled", sessionid);
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38 elseif data.status == "error" then
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39 states[sessionid] = nil;
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40 stanza = st.error_reply(stanza, data.error.type, data.error.condition, data.error.message);
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41 cmdtag = command:cmdtag("canceled", sessionid);
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42 else
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43 cmdtag = command:cmdtag("executing", sessionid);
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44 end
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46 for name, content in pairs(data) do
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47 if name == "info" then
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48 cmdtag:tag("note", {type="info"}):text(content):up();
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49 elseif name == "warn" then
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50 cmdtag:tag("note", {type="warn"}):text(content):up();
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51 elseif name == "error" then
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52 cmdtag:tag("note", {type="error"}):text(content.message):up();
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53 elseif name =="actions" then
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54 local actions = st.stanza("actions");
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55 for _, action in ipairs(content) do
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56 if (action == "prev") or (action == "next") or (action == "complete") then
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57 actions:tag(action):up();
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58 else
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59 module:log("error", 'Command "'..command.name..
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60 '" at node "'..command.node..'" provided an invalid action "'..action..'"');
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61 end
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62 end
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63 cmdtag:add_child(actions);
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64 elseif name == "form" then
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65 cmdtag:add_child(content:form());
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66 elseif name == "result" then
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67 cmdtag:add_child(content.layout:form(content.data, "result"));
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68 elseif name == "other" then
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69 cmdtag:add_child(content);
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70 end
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71 end
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72 stanza:add_child(cmdtag);
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73 origin.send(stanza);
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75 return true;
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76 end
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78 return _M;