akamai-nginx
Version:
generate nginx config from akamai property
107 lines (80 loc) • 3.16 kB
JavaScript
import requireDir from 'require-dir';
import { RuleAttribute } from './ruleAttribute.js';
export class Criteria extends RuleAttribute {
constructor(name, options, valueMap) {
super();
return Criteria.create(name, options, valueMap);
}
static get checkVar() {
return this._checkVar;
}
static set checkVar(checkVar) {
this._checkVar = checkVar;
}
/**
* process criteria options into lua expression
* @param usePattern
* @param valueSuffix
* @returns {string}
*/
process(usePattern, valueSuffix) {
if (['EXISTS', 'IS_NOT_EMPTY', 'DOES_NOT_EXIST', 'IS_EMPTY'].includes(this.options.matchOperator)) {
return this.checkVar + this.matchOperatorCompare() + 'nil' +
' or ' + this.checkVar + this.matchOperatorCompare() + '""';
} else {
let conditionArray = [];
let valueArray = [];
if (this.options.value) {
valueArray = [this.options.value];
} else if (this.options.values) {
valueArray = [...this.options.values];
}
valueArray.forEach((val) => {
if (valueSuffix) val = val + valueSuffix;
if (usePattern || this.options.matchWildcard === true || val.indexOf('*') > -1) {
let negate = (['DOES_NOT_MATCH_ONE_OF', 'IS_NOT', 'IS_NOT_ONE_OF']
.includes(this.options.matchOperator)) ? 'not ' : '';
conditionArray.push(negate + 'matches(' + this.checkVar + ', ' + this.value(val) + ')');
} else {
if (this.useNumericComparison()) {
conditionArray.push(this.checkVar +
this.matchOperatorCompare() + 'tonumber(' + this.value(val) + ')');
} else {
conditionArray.push(this.checkVar + this.matchOperatorCompare() + this.value(val));
}
}
});
return conditionArray.join(this.matchOperatorJoiner());
}
}
matchOperatorJoiner() {
return this.switchByVal({
'MATCHES_ONE_OF': ' or ',
'IS_ONE_OF': ' or ',
'IS_NOT_ONE_OF': ' and ',
'DOES_NOT_MATCH_ONE_OF': ' and '
}, ' and ', this.options.matchOperator);
}
matchOperatorCompare() {
return this.switchByVal({
'EXISTS': ' ~= ',
'DOES_NOT_EXIST': ' == ',
'IS': ' == ',
'IS_ONE_OF': ' == ',
'IS_NOT': ' ~= ',
'IS_NOT_ONE_OF': ' ~= ',
'IS_GREATER_THAN': ' > ',
'IS_LESS_THAN': ' < ',
'IS_GREATER_THAN_OR_EQUAL_TO': ' >= ',
'IS_LESS_THAN_OR_EQUAL_TO': ' <= '
}, ' == ', this.options.matchOperator);
}
useNumericComparison() {
return (['IS_GREATER_THAN',
'IS_LESS_THAN',
'IS_GREATER_THAN_OR_EQUAL_TO',
'IS_LESS_THAN_OR_EQUAL_TO'
].includes(this.options.matchOperator));
}
}
requireDir('./criteria');