1 | ;
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2 |
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3 | /**
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4 | * Session model.
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5 | */
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6 |
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7 | class Session {
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8 | /**
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9 | * Session constructor
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10 | * @param {Context} ctx
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11 | * @param {Object} obj
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12 | * @api private
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13 | */
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14 |
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15 | constructor(ctx, obj) {
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16 | this._ctx = ctx;
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17 | if (!obj) {
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18 | this.isNew = true;
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19 | } else {
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20 | for (const k in obj) {
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21 | // restore maxAge from store
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22 | if (k === '_maxAge') this._ctx.sessionOptions.maxAge = obj._maxAge;
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23 | else this[k] = obj[k];
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24 | }
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25 | }
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26 | }
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27 |
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28 | /**
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29 | * JSON representation of the session.
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30 | *
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31 | * @return {Object}
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32 | * @api public
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33 | */
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34 |
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35 | toJSON() {
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36 | const obj = {};
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37 |
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38 | Object.keys(this).forEach(key => {
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39 | if (key === 'isNew') return;
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40 | if (key[0] === '_') return;
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41 | obj[key] = this[key];
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42 | });
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43 |
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44 | return obj;
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45 | }
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46 |
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47 | /**
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48 | *
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49 | * alias to `toJSON`
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50 | * @api public
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51 | */
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52 |
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53 | inspect() {
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54 | return this.toJSON();
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55 | }
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56 |
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57 | /**
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58 | * Return how many values there are in the session object.
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59 | * Used to see if it's "populated".
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60 | *
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61 | * @return {Number}
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62 | * @api public
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63 | */
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64 |
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65 | get length() {
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66 | return Object.keys(this.toJSON()).length;
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67 | }
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68 |
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69 | /**
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70 | * populated flag, which is just a boolean alias of .length.
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71 | *
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72 | * @return {Boolean}
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73 | * @api public
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74 | */
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75 |
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76 | get populated() {
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77 | return !!this.length;
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78 | }
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79 |
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80 | /**
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81 | * get session maxAge
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82 | *
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83 | * @return {Number}
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84 | * @api public
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85 | */
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86 |
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87 | get maxAge() {
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88 | return this._ctx.sessionOptions.maxAge;
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89 | }
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90 |
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91 | /**
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92 | * set session maxAge
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93 | *
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94 | * @param {Number}
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95 | * @api public
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96 | */
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97 |
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98 | set maxAge(val) {
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99 | this._ctx.sessionOptions.maxAge = val;
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100 | // maxAge changed, must save to cookie and store
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101 | this._requireSave = true;
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102 | }
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103 |
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104 | /**
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105 | * save this session no matter whether it is populated
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106 | *
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107 | * @api public
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108 | */
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109 |
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110 | save() {
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111 | this._requireSave = true;
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112 | }
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113 | }
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114 |
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115 | module.exports = Session;
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