enigma-bbs/core/acs.js

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/* jslint node: true */
'use strict';
// ENiGMA½
const checkAcs = require('./acs_parser.js').parse;
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const Log = require('./logger.js').log;
// deps
const assert = require('assert');
const _ = require('lodash');
class ACS {
constructor(client) {
this.client = client;
}
check(acs, scope, defaultAcs) {
acs = acs ? acs[scope] : defaultAcs;
acs = acs || defaultAcs;
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try {
return checkAcs(acs, { client : this.client } );
} catch(e) {
Log.warn( { exception : e, acs : acs }, 'Exception caught checking ACS');
return false;
}
}
//
// Message Conferences & Areas
//
hasMessageConfRead(conf) {
return this.check(conf.acs, 'read', ACS.Defaults.MessageConfRead);
}
hasMessageAreaRead(area) {
return this.check(area.acs, 'read', ACS.Defaults.MessageAreaRead);
}
//
// File Base / Areas
//
hasFileAreaRead(area) {
return this.check(area.acs, 'read', ACS.Defaults.FileAreaRead);
}
hasFileAreaWrite(area) {
return this.check(area.acs, 'write', ACS.Defaults.FileAreaWrite);
}
hasFileAreaDownload(area) {
return this.check(area.acs, 'download', ACS.Defaults.FileAreaDownload);
}
getConditionalValue(condArray, memberName) {
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if(!Array.isArray(condArray)) {
// no cond array, just use the value
return condArray;
}
assert(_.isString(memberName));
const matchCond = condArray.find( cond => {
if(_.has(cond, 'acs')) {
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try {
return checkAcs(cond.acs, { client : this.client } );
} catch(e) {
Log.warn( { exception : e, acs : cond }, 'Exception caught checking ACS');
return false;
}
} else {
return true; // no acs check req.
}
});
if(matchCond) {
return matchCond[memberName];
}
}
}
ACS.Defaults = {
MessageAreaRead : 'GM[users]',
MessageConfRead : 'GM[users]',
FileAreaRead : 'GM[users]',
FileAreaWrite : 'GM[sysops]',
FileAreaDownload : 'GM[users]',
};
module.exports = ACS;