1 | var rsvp = require('rsvp'),
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2 | Valida = require('./valida'),
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3 | isFloat = require('is-float');
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4 |
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5 |
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6 | var validator = module.exports = {};
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7 |
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8 |
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9 | validator.required = function(ctx, options, value) {
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10 | if (typeof value == 'undefined' || value === null) {
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11 | var err = { validator: 'required' };
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12 | addMessage(err, options);
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13 |
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14 | return err;
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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 | validator.empty = function(ctx, options, value) {
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20 | if (typeof value !== 'undefined' && value !== null && !value.length) {
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21 | var err = { validator: 'empty' };
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22 | addMessage(err, options);
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23 |
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24 | return err;
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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 |
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30 |
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31 |
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32 | validator.regex = function(ctx, options, value) {
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33 | if (typeof value == 'undefined' || value === null) return;
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34 |
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35 | value = value + '';
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36 |
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37 | if (Object.prototype.toString.call(options.pattern).slice(8, -1) !== 'RegExp') {
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38 | options.pattern = new RegExp(options.pattern, options.modifiers);
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39 | }
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40 |
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41 | if (!options.pattern.test(value)) {
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42 | var mod = '';
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43 | if (options.pattern.global) mod += 'g';
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44 | if (options.pattern.ignoreCase) mod += 'i';
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45 | if (options.pattern.multiline) mod += 'm';
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46 |
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47 | var err = { validator: 'regex', pattern: options.pattern.source, modifiers: mod };
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48 | addMessage(err, options);
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49 |
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50 | return err;
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51 | }
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52 | };
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53 |
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54 |
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55 |
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56 |
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57 |
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58 |
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59 | validator.len = function(ctx, options, value) {
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60 | if (typeof value == 'undefined' || value === null) return;
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61 |
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62 | if (!Array.isArray(value)) value = value + '';
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63 |
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64 | var valid = true;
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65 | if (options.min !== undefined && options.min > value.length) valid = false;
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66 | if (options.max !== undefined && options.max < value.length) valid = false;
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67 |
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68 | var err = { validator: 'len' };
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69 |
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70 | if (options.min) {
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71 | err.min = options.min;
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72 | }
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73 | if (options.max) {
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74 | err.max = options.max;
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75 | }
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76 |
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77 | addMessage(err, options);
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78 |
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79 | if (!valid) return err;
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80 | };
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81 |
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82 |
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83 | validator.array = function(ctx, options, value) {
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84 | if (typeof value == 'undefined' || value === null) return;
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85 |
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86 | if (!Array.isArray(value)) {
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87 | var err = { validator: 'array' };
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88 | addMessage(err, options);
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89 |
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90 | return err;
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91 | }
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92 | };
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93 |
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94 |
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95 | validator.schema = function(ctx, options, value, cb) {
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96 | if (typeof value == 'undefined' || value === null) return cb();
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97 | if (typeof options.schema === 'undefined') return cb(new Error('validator requires schema option'));
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98 |
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99 | value = Array.isArray(value) ? value : [ value ];
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100 |
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101 | var errors = {};
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102 |
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103 | var verify = function () {
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104 | if (Object.keys(errors).length) return cb(null, { validator: 'schema', errors: errors });
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105 | cb();
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106 | };
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107 |
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108 | var isValid = function (i, ctx) {
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109 | if (ctx.isValid()) return;
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110 |
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111 | errors[i] = ctx.errors();
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112 | };
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113 |
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114 | var parallel = value.map(function (permission, i) {
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115 | return Valida.process(permission, options.schema)
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116 | .then(isValid.bind(null, i));
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117 | });
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118 |
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119 | return rsvp.all(parallel)
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120 | .then(verify);
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121 | };
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122 |
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123 |
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124 | validator.plainObject = function(ctx, options, value) {
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125 | if (typeof value == 'undefined' || value === null) return;
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126 |
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127 | if (typeof value !== 'object' || Array.isArray(value)) {
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128 | var err = { validator: 'plainObject' };
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129 | addMessage(err, options);
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130 |
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131 | return err;
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132 | }
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133 | };
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134 |
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135 |
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136 | validator.date = function(ctx, options, value) {
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137 | if (typeof value === 'undefined' || value === null) return;
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138 |
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139 | var date = Date.parse(value);
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140 | if (isNaN(date)) {
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141 | var err = {validator: 'date'};
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142 | addMessage(err, options);
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143 |
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144 | return err;
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145 | }
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146 | }
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147 |
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148 | validator.integer = function(ctx, options, value) {
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149 | if (typeof value === 'undefined' || value === null) return;
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150 |
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151 | if (!isInteger(value)) {
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152 | var err = {validator: 'integer'};
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153 | addMessage(err, options);
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154 |
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155 | return err;
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156 | }
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157 | }
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158 |
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159 | validator.enum = function(ctx, options, value) {
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160 | if (typeof value === 'undefined' || value === null) return;
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161 |
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162 | if (options.items.indexOf(value) == -1) {
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163 | var err = {validator: 'enum'};
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164 | addMessage(err, options);
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165 |
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166 | return err;
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167 | }
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168 | }
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169 |
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170 | validator.bool = function(ctx, options, value) {
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171 | if (typeof value === 'undefined' || value === null) {
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172 | return;
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173 | }
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174 |
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175 | if (typeof value !== 'boolean') {
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176 | return {
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177 | validator: 'bool',
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178 | msg: 'Invalid bool value.',
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179 | };
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180 | }
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181 | };
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182 |
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183 | validator.float = function(ctx, options, value) {
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184 | if (typeof value === 'undefined' || value === null) {
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185 | return;
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186 | }
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187 |
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188 | if (!isFloat(value)) {
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189 | return {
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190 | validator: 'float',
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191 | msg: 'Invalid float value.',
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192 | };
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193 | }
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194 | };
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195 |
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196 | validator.range = function(ctx, options, value) {
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197 | if (typeof value == 'undefined' || value === null) return;
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198 |
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199 | var valid = true;
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200 | if (options.min !== undefined && options.min > value) valid = false;
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201 | if (options.max !== undefined && options.max < value) valid = false;
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202 |
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203 | var err = { validator: 'range' };
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204 |
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205 | if (options.min) {
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206 | err.min = options.min;
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207 | }
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208 | if (options.max) {
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209 | err.max = options.max;
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210 | }
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211 |
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212 | addMessage(err, options);
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213 |
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214 | if (!valid) return err;
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215 | };
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216 |
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217 | function addMessage (err, opt) {
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218 | if (opt.msg) err.msg = opt.msg;
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219 | }
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220 |
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221 | function isInteger(number) {
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222 | return typeof number === "number" &&
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223 | isFinite(number) &&
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224 | Math.floor(number) === number;
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225 | }
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