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annotate modules/mod_publish_message.js @ 58:b98e545a94f7 default tip

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author Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
date Tue, 13 Sep 2011 00:54:55 +0200
parents addbf6bbfaa8
children
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023f767662d3 Fix compatibility with strict mode of node 0.4 and some files without licence header.
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1 /*
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2 * Copyright (C) 2010 Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
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3 *
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4 * This file is part of PSĜS, a PubSub server written in JavaScript.
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5 *
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6 * PSĜS is free software: you can redistribute it and/or modify
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7 * it under the terms of the GNU Affero General Public License as
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8 * published by the Free Software Foundation, either version 3 of the
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9 * License.
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10 *
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11 * PSĜS is distributed in the hope that it will be useful,
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12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
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13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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14 * GNU Affero General Public License for more details.
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15 *
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16 * You should have received a copy of the GNU Affero General Public License
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17 * along with PSĜS. If not, see <http://www.gnu.org/licenses/>.
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18 */
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19
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20 'use strict';
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21
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22 exports.publishMessage = {
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23 stanza: 'message',
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24 child: 'body',
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25 func: function(response, stanza, request, to, from) {
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26 if (!config.enabled('publish'))
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27 return makeError(response, errors.pub.publish.item_publication_not_supported.n);
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28
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29 var nodeID = JID.toResource(from);
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30 if (!nodeID || nodeID == '')
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31 return makeError(response, errors.nodeid_required.n);
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32
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33 var autocreate = false;
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34 if (!storage.existsNode(nodeID)) {
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35 if (config.enabled('auto-create'))
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36 autocreate = true;
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37 else
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38 return makeError(response, errors.node_does_not_exist.n);
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39 }
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40
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41 var affil = storage.getAffiliation(JID.toBare(to), nodeID);
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42 if (typeof affil == 'number' && affil != errors.node_does_not_exist.n)
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43 return makeError(response, affil);
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44 if (!autocreate && affil != 'super-owner' && affil != 'owner' && affil != 'publisher' && affil != 'publish-only')
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45 return makeError(response, errors.forbidden.n);
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46
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47 if (!config.enabled('item-ids'))
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48 return makeError(response, errors.itemid_required.n);
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49 var itemID = uuid();
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50
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51 var now = new Date();
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52
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53 var item = new Element('item', {xmlns: NS.PUBSUB, id: itemID});
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54 item.c('entry', {xmlns: NS.ATOM});
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55 if (stanza.getChild('subject'))
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56 item.c('title').t(stanza.getChild('subject')).up();
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57 item.c('content', {type: 'text'}).t(request.getText()).up();
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58 item.c('id').t(itemID).up();
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59 item.c('published').t(now.toString()).up();
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60 item.c('updated').t(now.toString()).up();
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61
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62 if (!config.enabled('persistent-items')) {
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63 var notifications = storage.purgeNode(nodeID);
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64 if (typeof notifications == 'number')
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65 return makeError(response, r);
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66 }
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67
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68 if (autocreate) {
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69 if (!form)
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70 form = {};
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71 form['pubsub#creator'] = JID.toBare(to);
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72
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73 var r = storage.createNode(nodeID, form);
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74 if (typeof r == 'number')
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75 return makeError(response, r);
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76 }
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77
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78 console.log(item);
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79 var content = item.getChild();
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80
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81 var subscribers = storage.setItem(nodeID, itemID, content);
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82 if (typeof subscribers == 'number')
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83 return makeError(response, subscribers);
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84
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85 var attrs = {};
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86 if (content)
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87 attrs[itemID] = {content: content};
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88 else
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89 attrs[itemID] = {};
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90 notifs.send(subscribers, 'items', nodeID, attrs);
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91
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92 response.c('pubsub', {xmlns: NS.PUBSUB})
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93 .c('publish', {node: nodeID})
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94 .c('item', {id: itemID});
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95
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96 return response;
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97 }
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98 }