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annotate util.js @ 63:ee1df80a1715 default tip

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author mathieui
date Sun, 24 May 2020 14:19:29 +0200
parents 6d861d881b96
children
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1 // SPDX-License-Identifier: AGPL-3.0-only
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2 /*
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3 * Copyright © 2018-2020 Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
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4 * Copyright © 2020 Mathieu Pasquet <mathieui@mathieui.net>
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5 *
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6 * Released under GNU AGPL v3 only, read the file 'LICENSE' for more information.
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7 */
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8
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9 'use strict';
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10
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11 const NS = {
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12 xrd: 'http://docs.oasis-open.org/ns/xri/xrd-1.0',
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13 roster: 'jabber:iq:roster',
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14 disco_items: 'http://jabber.org/protocol/disco#items',
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15 disco_info: 'http://jabber.org/protocol/disco#info',
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16 dataforms: 'jabber:x:data',
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17 pubsub: 'http://jabber.org/protocol/pubsub',
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18 pubsub_owner: 'http://jabber.org/protocol/pubsub#owner',
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19 avatar_metadata: 'urn:xmpp:avatar:metadata',
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20 avatar_data: 'urn:xmpp:avatar:data',
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21 nickname: 'http://jabber.org/protocol/nick',
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22 vcard4: 'urn:ietf:params:xml:ns:vcard-4.0',
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23 mam: 'urn:xmpp:mam:2',
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24 forward: 'urn:xmpp:forward:0',
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25 };
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26
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27 function nsResolver(prefix) {
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28 return NS[prefix] || null;
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29 }
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30
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31 function parseXPath(elem, xpath, result)
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32 {
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33 if (result === undefined)
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34 result = XPathResult.FIRST_ORDERED_NODE_TYPE;
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35 const value = elem.getRootNode().evaluate(xpath, elem, nsResolver, result, null);
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36 if (result == XPathResult.FIRST_ORDERED_NODE_TYPE)
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37 return value.singleNodeValue;
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38 return value;
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39 }
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40
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41 function parseXPathText(elem, xpath)
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42 {
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43 const value = parseXPath(elem, xpath);
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44 if (value === null)
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45 return null;
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46 return value.textContent;
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47 }
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48
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49 function configurePEPField(node, key, value, cb, err_cb) {
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50 return $iq({type: 'set'})
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51 .c('pubsub', {xmlns: 'http://jabber.org/protocol/pubsub#owner'})
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52 .c('configure', {node: node})
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53 .c('x', {xmlns: 'jabber:x:data', type: 'submit'})
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54 .c('field', {'var': 'FORM_TYPE', type: 'hidden'})
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55 .c('value')
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56 .t('http://jabber.org/protocol/pubsub#node_config')
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57 .up()
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58 .up()
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59 .c('field', {'var': key})
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60 .c('value')
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61 .t(value)
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62 .up()
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63 .up();
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64 }
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65
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66 function parseErrorIq(iq) {
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67 // TODO: actually check that it is the first one.
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68 const error = iq.firstChild;
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69 if (error.namespaceURI !== 'jabber:client' || error.localName !== 'error')
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70 return null;
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71 const condition = error.firstChild;
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72 if (condition.namespaceURI !== 'urn:ietf:params:xml:ns:xmpp-stanzas')
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73 return null;
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74 const text = error.lastChild;
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75 if (text === condition)
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76 return condition.localName;
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77 if (text.namespaceURI !== 'urn:ietf:params:xml:ns:xmpp-stanzas' || text.localName !== 'text')
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78 return null;
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79 return condition.localName + ': ' + text.textContent;
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80 }
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81
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82 function retrieveConfiguration(connection, node)
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83 {
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84 return new Promise((resolve, reject) => {
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85 const iq = $iq({type: 'get'})
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86 .c('pubsub', {xmlns: 'http://jabber.org/protocol/pubsub#owner'})
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87 .c('configure', {node: node});
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88 connection.sendIQ(iq, onNodeConfigure.bind(null, resolve, reject), reject);
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89 });
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90 }
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91
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92 function onNodeConfigure(resolve, reject, result_iq)
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93 {
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94 const fields = parseXPath(result_iq, './pubsub_owner:pubsub/pubsub_owner:configure/dataforms:x/dataforms:field', XPathResult.UNORDERED_NODE_ITERATOR_TYPE);
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95 if (fields === null)
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96 return reject('no fields');
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97 let access_model = null;
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98 while (true) {
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99 const field = fields.iterateNext();
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100 if (field === null)
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101 break;
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102 const var_ = field.getAttributeNS(null, 'var');
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103 if (var_ === 'pubsub#access_model') {
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104 const value = parseXPath(field, './dataforms:value');
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105 access_model = value.textContent;
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106 }
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107 }
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108 return resolve(access_model);
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109 }
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110
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111 function displaySpinner(spinner) {
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112 if ('timeoutid' in spinner.dataset)
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113 clearTimeout(spinner.dataset.timeoutid);
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114 spinner.src = 'spinner.svg';
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115 spinner.title = '';
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116 spinner.hidden = false;
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117 }
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118
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119 function spinnerOk(spinner) {
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120 if ('timeoutid' in spinner.dataset)
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121 clearTimeout(spinner.dataset.timeoutid);
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122 spinner.src = 'ok.svg';
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123 spinner.title = '';
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124 spinner.hidden = false;
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125 spinner.dataset.timeoutid = setTimeout(function () {
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126 spinner.hidden = true;
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127 }, 1000);
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128 }
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129
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130 function spinnerError(spinner, title) {
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131 if ('timeoutid' in spinner.dataset)
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132 clearTimeout(spinner.dataset.timeoutid);
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133 spinner.src = 'error.svg';
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134 spinner.title = title ? title : '';
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135 spinner.hidden = false;
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136 }
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137
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138 function hideSpinner(spinner) {
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139 if ('timeoutid' in spinner.dataset)
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140 clearTimeout(spinner.dataset.timeoutid);
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141 spinner.hidden = true;
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142 }