1 |
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2 |
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3 | var assert = require('assert');
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4 | var Ber = require('asn1').Ber;
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5 |
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6 | var Control = require('./control');
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7 | var EntryChangeNotificationControl =
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8 | require('./entry_change_notification_control');
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9 | var PersistentSearchControl = require('./persistent_search_control');
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10 | var PagedResultsControl = require('./paged_results_control');
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11 | var ServerSideSortingRequestControl =
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12 | require('./server_side_sorting_request_control.js');
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13 | var ServerSideSortingResponseControl =
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14 | require('./server_side_sorting_response_control.js');
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15 |
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16 |
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17 |
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18 |
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19 |
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20 | module.exports = {
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21 |
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22 | getControl: function getControl(ber) {
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23 | assert.ok(ber);
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24 |
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25 | if (ber.readSequence() === null)
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26 | return null;
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27 |
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28 | var type;
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29 | var opts = {
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30 | criticality: false,
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31 | value: null
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32 | };
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33 |
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34 | if (ber.length) {
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35 | var end = ber.offset + ber.length;
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36 |
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37 | type = ber.readString();
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38 | if (ber.offset < end) {
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39 | if (ber.peek() === Ber.Boolean)
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40 | opts.criticality = ber.readBoolean();
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41 | }
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42 |
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43 | if (ber.offset < end)
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44 | opts.value = ber.readString(Ber.OctetString, true);
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45 | }
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46 |
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47 | var control;
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48 | switch (type) {
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49 | case PersistentSearchControl.OID:
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50 | control = new PersistentSearchControl(opts);
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51 | break;
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52 | case EntryChangeNotificationControl.OID:
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53 | control = new EntryChangeNotificationControl(opts);
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54 | break;
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55 | case PagedResultsControl.OID:
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56 | control = new PagedResultsControl(opts);
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57 | break;
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58 | case ServerSideSortingRequestControl.OID:
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59 | control = new ServerSideSortingRequestControl(opts);
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60 | break;
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61 | case ServerSideSortingResponseControl.OID:
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62 | control = new ServerSideSortingResponseControl(opts);
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63 | break;
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64 | default:
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65 | opts.type = type;
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66 | control = new Control(opts);
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67 | break;
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68 | }
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69 |
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70 | return control;
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71 | },
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72 |
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73 | Control: Control,
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74 | EntryChangeNotificationControl: EntryChangeNotificationControl,
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75 | PagedResultsControl: PagedResultsControl,
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76 | PersistentSearchControl: PersistentSearchControl,
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77 | ServerSideSortingRequestControl: ServerSideSortingRequestControl,
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78 | ServerSideSortingResponseControl: ServerSideSortingResponseControl
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79 | };
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