583 lines
17 KiB
JavaScript
583 lines
17 KiB
JavaScript
"use strict";
|
|
import { ObjectID } from "mongodb";
|
|
import { map, parse, stringify } from "../common/expression-parser";
|
|
import { likePatternToRegExp, evaluate } from "../common/expression";
|
|
|
|
const isArray = Array.isArray;
|
|
|
|
export function processDeviceFilter(filter) {
|
|
return map(filter, exp => {
|
|
if (!isArray(exp)) return exp;
|
|
|
|
if (exp[0] === "PARAM") {
|
|
const p = exp[1];
|
|
if (p === "DeviceID.ID") return ["PARAM", "_id"];
|
|
else if (p === "DeviceID") return ["PARAM", "_deviceId"];
|
|
else if (p.startsWith("DeviceID."))
|
|
return ["PARAM", "_deviceId._" + p.slice(9)];
|
|
else if (p === "Tags") return ["PARAM", "_tags"];
|
|
else if (p === "tag") return ["PARAM", "_tags"];
|
|
else if (p === "Events.Inform") return ["PARAM", "_lastInform"];
|
|
else if (p === "Events.Registered") return ["PARAM", "_registered"];
|
|
else if (p === "Events.0_BOOTSTRAP") return ["PARAM", "_lastBootstrap"];
|
|
else if (p === "Events.1_BOOT") return ["PARAM", "_lastBoot"];
|
|
} else if (
|
|
isArray(exp[1]) &&
|
|
exp[1][0] === "PARAM" &&
|
|
exp[1][1].startsWith("Tags.")
|
|
) {
|
|
const t = exp[1][1].slice(5);
|
|
if (exp[0] === "IS NULL") return ["<>", ["PARAM", "_tags"], t];
|
|
else if (exp[0] === "IS NOT NULL") return ["=", ["PARAM", "_tags"], t];
|
|
else if (exp[0] === "=" && exp[2] === true)
|
|
return ["=", ["PARAM", "_tags"], t];
|
|
} else if (
|
|
["=", "<>", ">", ">=", "<", "<=", "LIKE", "NOT LIKE"].includes(exp[0])
|
|
) {
|
|
let e = map(exp, ee => {
|
|
if (
|
|
isArray(ee) &&
|
|
ee[0] === "PARAM" &&
|
|
typeof ee[1] === "string" &&
|
|
!ee[1].startsWith("_")
|
|
)
|
|
return ["PARAM", `${ee[1]}._value`];
|
|
return ee;
|
|
});
|
|
|
|
if (typeof e[2] === "number") {
|
|
const alt = e.slice();
|
|
alt[2] = new Date(e[2]);
|
|
e = ["OR", e, alt];
|
|
}
|
|
return e;
|
|
}
|
|
return exp;
|
|
});
|
|
}
|
|
|
|
export function processTasksFilter(filter) {
|
|
return map(filter, exp => {
|
|
if (!isArray(exp)) return exp;
|
|
if (["=", "<>", ">", ">=", "<", "<="].includes(exp[0])) {
|
|
const e = exp.slice();
|
|
if (e[1][0] === "PARAM" && e[1][1] === "_id") e[2] = new ObjectID(e[2]);
|
|
else if (e[1][0] === "PARAM" && e[1][1] === "timestamp")
|
|
e[2] = new Date(e[2]);
|
|
else if (e[1][0] === "PARAM" && e[1][1] === "expiry")
|
|
e[2] = new Date(e[2]);
|
|
return e;
|
|
}
|
|
return exp;
|
|
});
|
|
}
|
|
|
|
export function processFaultsFilter(filter) {
|
|
return map(filter, exp => {
|
|
if (!isArray(exp)) return exp;
|
|
if (["=", "<>", ">", ">=", "<", "<="].includes(exp[0])) {
|
|
const e = exp.slice();
|
|
if (e[1][0] === "PARAM" && e[1][1] === "timestamp") e[2] = new Date(e[2]);
|
|
else if (e[1][0] === "PARAM" && e[1][1] === "expiry")
|
|
e[2] = new Date(e[2]);
|
|
return e;
|
|
}
|
|
return exp;
|
|
});
|
|
}
|
|
|
|
export function filterToMongoQuery(exp) {
|
|
const ops = {
|
|
OR: 0,
|
|
AND: 0,
|
|
NOT: 0,
|
|
"=": 1,
|
|
"<>": 1,
|
|
">": 1,
|
|
">=": 1,
|
|
"<": 1,
|
|
"<=": 1,
|
|
LIKE: 1,
|
|
"NOT LIKE": 1,
|
|
"IS NULL": 1,
|
|
"IS NOT NULL": 1
|
|
};
|
|
|
|
function recursive(filter, negate, res = {}) {
|
|
const op = filter[0];
|
|
|
|
if (ops[op] === 0) {
|
|
for (let i = 1; i < filter.length; ++i) {
|
|
if (!isArray(filter[i]) || ops[filter[i][0]] == null)
|
|
throw new Error(`Invalid expression in ${op} clause`);
|
|
}
|
|
|
|
if ((!negate && op === "AND") || (negate && op === "OR")) {
|
|
res["$and"] = res["$and"] || [];
|
|
for (let i = 1; i < filter.length; ++i)
|
|
res["$and"].push(recursive(filter[i], negate));
|
|
} else if ((!negate && op === "OR") || (negate && op === "AND")) {
|
|
res["$or"] = res["$or"] || [];
|
|
|
|
for (let i = 1; i < filter.length; ++i)
|
|
res["$or"].push(recursive(filter[i], negate));
|
|
} else if (op === "NOT") {
|
|
recursive(filter[1], !negate, res);
|
|
}
|
|
} else if (ops[op] === 1) {
|
|
if (isArray(filter[2])) {
|
|
throw new Error(`Right operand of ${op} clause is not a primitive`);
|
|
} else if (
|
|
["LIKE", "NOT LIKE"].includes(op) &&
|
|
isArray(filter[1]) &&
|
|
filter[1][0] === "FUNC" &&
|
|
["UPPER", "LOWER"].includes(filter[1][1])
|
|
) {
|
|
if (
|
|
(filter[1][1] === "UPPER" && filter[2] !== filter[2].toUpperCase()) ||
|
|
(filter[1][1] === "LOWER" && filter[2] !== filter[2].toLowerCase())
|
|
) {
|
|
throw new Error(
|
|
`Cannot compare ${
|
|
filter[1][1]
|
|
}() against non-${filter[1][1].toLowerCase()}case pattern`
|
|
);
|
|
}
|
|
} else if (!isArray(filter[1]) || filter[1][0] !== "PARAM") {
|
|
throw new Error(`Left operand of ${op} clause is not a parameter`);
|
|
}
|
|
|
|
if (op === "=") {
|
|
const param = filter[1][1];
|
|
const p = (res[param] = res[param] || {});
|
|
if (negate) p["$ne"] = filter[2];
|
|
else p["$eq"] = filter[2];
|
|
} else if (op === "<>") {
|
|
const param = filter[1][1];
|
|
let p = (res[param] = res[param] || {});
|
|
if (negate) p = p["$not"] = p["$not"] || {};
|
|
p["$ne"] = filter[2];
|
|
p["$exists"] = true;
|
|
} else if (op === ">") {
|
|
const param = filter[1][1];
|
|
let p = (res[param] = res[param] || {});
|
|
if (negate) p = p["$not"] = p["$not"] || {};
|
|
p["$gt"] = filter[2];
|
|
} else if (op === ">=") {
|
|
const param = filter[1][1];
|
|
let p = (res[param] = res[param] || {});
|
|
if (negate) p = p["$not"] = p["$not"] || {};
|
|
p["$gte"] = filter[2];
|
|
} else if (op === "<") {
|
|
const param = filter[1][1];
|
|
let p = (res[param] = res[param] || {});
|
|
if (negate) p = p["$not"] = p["$not"] || {};
|
|
p["$lt"] = filter[2];
|
|
} else if (op === "<=") {
|
|
const param = filter[1][1];
|
|
let p = (res[param] = res[param] || {});
|
|
if (negate) p = p["$not"] = p["$not"] || {};
|
|
p["$lte"] = filter[2];
|
|
} else if (op === "IS NULL") {
|
|
const param = filter[1][1];
|
|
res[param] = { $exists: negate };
|
|
} else if (op === "IS NOT NULL") {
|
|
const param = filter[1][1];
|
|
res[param] = { $exists: !negate };
|
|
} else {
|
|
if (op === "NOT LIKE") negate = !negate;
|
|
let param;
|
|
let flags;
|
|
if (filter[1][0] === "FUNC" && filter[1][1] === "UPPER") {
|
|
param = filter[1][2][1];
|
|
flags = "i";
|
|
} else if (filter[1][0] === "FUNC" && filter[1][1] === "LOWER") {
|
|
param = filter[1][2][1];
|
|
flags = "i";
|
|
} else {
|
|
param = filter[1][1];
|
|
flags = "";
|
|
}
|
|
const r = likePatternToRegExp(filter[2], filter[3], flags);
|
|
if (negate) res[param] = { $not: r };
|
|
else res[param] = r;
|
|
}
|
|
} else {
|
|
throw new Error(`Unrecognized operator ${op}`);
|
|
}
|
|
|
|
return res;
|
|
}
|
|
|
|
const _exp = evaluate(exp, null, Date.now());
|
|
|
|
if (!isArray(_exp)) {
|
|
if (_exp === true) return {};
|
|
throw new Error("Primitives are not valid queries");
|
|
}
|
|
|
|
return recursive(_exp, false);
|
|
}
|
|
|
|
export function processDeviceProjection(projection) {
|
|
if (!projection) return projection;
|
|
const p = {};
|
|
for (const [k, v] of Object.entries(projection)) {
|
|
if (k === "DeviceID.ID") {
|
|
p["_id"] = 1;
|
|
} else if (k.startsWith("DeviceID")) {
|
|
p["_deviceId._SerialNumber"] = v;
|
|
p["_deviceId._OUI"] = v;
|
|
p["_deviceId._ProductClass"] = v;
|
|
p["_deviceId._Manufacturer"] = v;
|
|
} else if (k.startsWith("Tags")) {
|
|
p["_tags"] = v;
|
|
} else if (k.startsWith("Events")) {
|
|
p["_lastInform"] = v;
|
|
p["_registered"] = v;
|
|
p["_lastBoot"] = v;
|
|
p["_lastBootstrap"] = v;
|
|
} else {
|
|
p[k] = v;
|
|
}
|
|
}
|
|
|
|
return p;
|
|
}
|
|
|
|
export function processDeviceSort(sort) {
|
|
if (!sort) return sort;
|
|
const s = {};
|
|
for (const [k, v] of Object.entries(sort)) {
|
|
if (k === "DeviceID.ID") s["_id"] = v;
|
|
else if (k.startsWith("DeviceID.")) s[`_deviceId._${k.slice(9)}`] = v;
|
|
else if (k === "Events.Inform") s["_lastInform"] = v;
|
|
else if (k === "Events.Registered") s["_registered"] = v;
|
|
else if (k === "Events.1_BOOT") s["_lastBoot"] = v;
|
|
else if (k === "Events.0_BOOTSTRAP") s["_lastBootstrap"] = v;
|
|
else s[`${k}._value`] = v;
|
|
}
|
|
|
|
return s;
|
|
}
|
|
|
|
function parseDate(d) {
|
|
const n = +d;
|
|
return isNaN(n) ? "" + d : n;
|
|
}
|
|
|
|
export function flattenDevice(device) {
|
|
function recursive(input, root, output, timestamp) {
|
|
for (const [name, tree] of Object.entries(input)) {
|
|
if (!root) {
|
|
if (name === "_lastInform") {
|
|
output["Events.Inform"] = {
|
|
value: [parseDate(tree), "xsd:dateTime"],
|
|
valueTimestamp: timestamp,
|
|
writable: false,
|
|
writableTimestamp: timestamp,
|
|
object: false,
|
|
objectTimestamp: timestamp
|
|
};
|
|
} else if (name === "_registered") {
|
|
output["Events.Registered"] = {
|
|
value: [parseDate(tree), "xsd:dateTime"],
|
|
valueTimestamp: timestamp,
|
|
writable: false,
|
|
writableTimestamp: timestamp,
|
|
object: false,
|
|
objectTimestamp: timestamp
|
|
};
|
|
} else if (name === "_lastBoot") {
|
|
output["Events.1_BOOT"] = {
|
|
value: [parseDate(tree), "xsd:dateTime"],
|
|
valueTimestamp: timestamp,
|
|
writable: false,
|
|
writableTimestamp: timestamp,
|
|
object: false,
|
|
objectTimestamp: timestamp
|
|
};
|
|
} else if (name === "_lastBootstrap") {
|
|
output["Events.0_BOOTSTRAP"] = {
|
|
value: [parseDate(tree), "xsd:dateTime"],
|
|
valueTimestamp: timestamp,
|
|
writable: false,
|
|
writableTimestamp: timestamp,
|
|
object: false,
|
|
objectTimestamp: timestamp
|
|
};
|
|
} else if (name === "_id") {
|
|
output["DeviceID.ID"] = {
|
|
value: [tree, "xsd:string"],
|
|
valueTimestamp: timestamp,
|
|
writable: false,
|
|
writableTimestamp: timestamp,
|
|
object: false,
|
|
objectTimestamp: timestamp
|
|
};
|
|
} else if (name === "_deviceId") {
|
|
output["DeviceID.Manufacturer"] = {
|
|
value: [tree["_Manufacturer"], "xsd:string"],
|
|
valueTimestamp: timestamp,
|
|
writable: false,
|
|
writableTimestamp: timestamp,
|
|
object: false,
|
|
objectTimestamp: timestamp
|
|
};
|
|
output["DeviceID.OUI"] = {
|
|
value: [tree["_OUI"], "xsd:string"],
|
|
valueTimestamp: timestamp,
|
|
writable: false,
|
|
writableTimestamp: timestamp,
|
|
object: false,
|
|
objectTimestamp: timestamp
|
|
};
|
|
output["DeviceID.ProductClass"] = {
|
|
value: [tree["_ProductClass"], "xsd:string"],
|
|
valueTimestamp: timestamp,
|
|
writable: false,
|
|
writableTimestamp: timestamp,
|
|
object: false,
|
|
objectTimestamp: timestamp
|
|
};
|
|
output["DeviceID.SerialNumber"] = {
|
|
value: [tree["_SerialNumber"], "xsd:string"],
|
|
valueTimestamp: timestamp,
|
|
writable: false,
|
|
writableTimestamp: timestamp,
|
|
object: false,
|
|
objectTimestamp: timestamp
|
|
};
|
|
} else if (name === "_tags") {
|
|
output["Tags"] = {
|
|
writable: true,
|
|
writableTimestamp: timestamp,
|
|
object: true,
|
|
objectTimestamp: timestamp
|
|
};
|
|
|
|
for (const t of tree) {
|
|
output[`Tags.${t}`] = {
|
|
value: [true, "xsd:boolean"],
|
|
valueTimestamp: timestamp,
|
|
writable: false,
|
|
writableTimestamp: timestamp,
|
|
object: false,
|
|
objectTimestamp: timestamp
|
|
};
|
|
}
|
|
}
|
|
}
|
|
|
|
if (name.startsWith("_")) continue;
|
|
|
|
let childrenTimestamp = timestamp;
|
|
|
|
if (!root) childrenTimestamp = +(input["_timestamp"] || 1);
|
|
else if (+input["_timestamp"] > timestamp)
|
|
childrenTimestamp = +input["_timestamp"];
|
|
|
|
const attrs = {};
|
|
if (tree["_value"] != null) {
|
|
attrs["value"] = [
|
|
tree["_value"] instanceof Date ? +tree["_value"] : tree["_value"],
|
|
tree["_type"]
|
|
];
|
|
attrs["valueTimestamp"] = +(tree["_timestamp"] || childrenTimestamp);
|
|
attrs["object"] = false;
|
|
attrs["objectTimestamp"] = childrenTimestamp;
|
|
} else if (tree["_object"] != null) {
|
|
attrs["object"] = tree["_object"];
|
|
attrs["objectTimestamp"] = childrenTimestamp;
|
|
}
|
|
|
|
if (tree["_writable"] != null) {
|
|
attrs["writable"] = tree["_writable"];
|
|
attrs["writableTimestamp"] = childrenTimestamp;
|
|
}
|
|
|
|
const r = root ? `${root}.${name}` : name;
|
|
output[r] = attrs;
|
|
|
|
if (attrs["object"] || tree["object"] == null)
|
|
recursive(tree, r, output, childrenTimestamp);
|
|
}
|
|
}
|
|
|
|
const newDevice = {};
|
|
const timestamp = new Date(device["_lastInform"] || 1).getTime();
|
|
recursive(device, "", newDevice, timestamp);
|
|
return newDevice;
|
|
}
|
|
|
|
export function flattenFault(fault) {
|
|
const f = Object.assign({}, fault);
|
|
if (f.timestamp) f.timestamp = +f.timestamp;
|
|
if (f.expiry) f.expiry = +f.expiry;
|
|
return f;
|
|
}
|
|
|
|
export function flattenTask(task) {
|
|
const t = Object.assign({}, task);
|
|
t._id = "" + t._id;
|
|
if (t.timestamp) t.timestamp = +t.timestamp;
|
|
if (t.expiry) t.expiry = +t.expiry;
|
|
return t;
|
|
}
|
|
|
|
function mongoQueryToFilter(query) {
|
|
const expressions = [];
|
|
function recursive(_query) {
|
|
for (const [k, v] of Object.entries(_query)) {
|
|
if (k[0] === "$") {
|
|
if (k === "$and") for (const vv of Object.values(v)) recursive(vv);
|
|
else throw new Error(`Operator ${k} not supported`);
|
|
} else if (k === "_tags") {
|
|
if (typeof v === "object") {
|
|
if (isArray(v)) throw new Error(`Invalid type`);
|
|
|
|
for (const [kk, vv] of Object.entries(v)) {
|
|
if (kk === "$ne")
|
|
expressions.push(["IS NULL", ["PARAM", `Tags.${vv}`]]);
|
|
else throw new Error(`Operator ${kk} not supported`);
|
|
}
|
|
} else {
|
|
expressions.push(["IS NOT NULL", ["PARAM", `Tags.${v}`]]);
|
|
}
|
|
} else if (k.startsWith("Tags.")) {
|
|
expressions.push([
|
|
v["$exists"] ? "IS NOT NULL" : "IS NULL",
|
|
["PARAM", k]
|
|
]);
|
|
} else if (typeof v === "object") {
|
|
if (isArray(v)) throw new Error(`Invalid type`);
|
|
|
|
for (const [kk, vv] of Object.entries(v)) {
|
|
let op;
|
|
switch (kk) {
|
|
case "$eq":
|
|
op = "=";
|
|
break;
|
|
case "$ne":
|
|
op = "<>";
|
|
break;
|
|
case "$lt":
|
|
op = "<";
|
|
break;
|
|
case "$lte":
|
|
op = "<=";
|
|
break;
|
|
case "$gt":
|
|
op = ">";
|
|
break;
|
|
case "$gte":
|
|
op = ">=";
|
|
break;
|
|
default:
|
|
throw new Error(`Operator ${kk} not supported`);
|
|
}
|
|
expressions.push([op, ["PARAM", k], vv]);
|
|
}
|
|
} else {
|
|
expressions.push(["=", ["PARAM", k], v]);
|
|
}
|
|
}
|
|
}
|
|
recursive(query);
|
|
|
|
if (expressions.length > 1) return ["AND"].concat(expressions);
|
|
|
|
if (expressions.length === 1) return expressions[0];
|
|
|
|
return expressions;
|
|
}
|
|
|
|
export function flattenPreset(preset) {
|
|
const p = Object.assign({}, preset);
|
|
if (p.precondition) {
|
|
p.precondition = mongoQueryToFilter(JSON.parse(p.precondition));
|
|
p.precondition = p.precondition.length ? stringify(p.precondition) : "";
|
|
}
|
|
|
|
if (p.events) {
|
|
const e = [];
|
|
for (const [k, v] of Object.entries(p.events)) e.push(v ? k : `-${k}`);
|
|
p.events = e.join(", ");
|
|
}
|
|
|
|
const provision = p.configurations[0];
|
|
if (
|
|
p.configurations.length !== 1 ||
|
|
provision.type !== "provision" ||
|
|
!provision.name ||
|
|
!provision.name.length
|
|
)
|
|
throw new Error("Invalid preset provision");
|
|
p.provision = provision.name;
|
|
p.provisionArgs = provision.args
|
|
? JSON.stringify(provision.args).slice(1, -1)
|
|
: "";
|
|
delete p.configurations;
|
|
return p;
|
|
}
|
|
|
|
export function flattenFile(file) {
|
|
const f = {};
|
|
f["_id"] = file["_id"];
|
|
if (file.metadata) {
|
|
f["metadata.fileType"] = file.metadata.fileType || "";
|
|
f["metadata.oui"] = file.metadata.oui || "";
|
|
f["metadata.productClass"] = file.metadata.productClass || "";
|
|
f["metadata.version"] = file.metadata.version || "";
|
|
}
|
|
return f;
|
|
}
|
|
|
|
export function preProcessPreset(data) {
|
|
const preset = Object.assign({}, data);
|
|
preset.precondition = preset.precondition
|
|
? filterToMongoQuery(parse(preset.precondition))
|
|
: {};
|
|
preset.precondition = JSON.stringify(preset.precondition);
|
|
|
|
preset.weight = parseInt(preset.weight) || 0;
|
|
|
|
const events = {};
|
|
if (preset.events) {
|
|
for (let e of preset.events.split(",")) {
|
|
let v = true;
|
|
e = e.trim();
|
|
if (e.startsWith("-")) {
|
|
v = false;
|
|
e = e.slice(1).trim();
|
|
}
|
|
if (e) events[e] = v;
|
|
}
|
|
}
|
|
|
|
preset.events = events;
|
|
|
|
if (!preset.provision) throw new Error("Invalid preset provision");
|
|
|
|
const configuration = {
|
|
type: "provision",
|
|
name: preset.provision
|
|
};
|
|
|
|
if (preset.provisionArgs)
|
|
configuration.args = JSON.parse(`[${preset.provisionArgs}]`);
|
|
|
|
delete preset.provision;
|
|
delete preset.provisionArgs;
|
|
preset.configurations = [configuration];
|
|
return preset;
|
|
}
|
|
|
|
export function preProcessProvision(data) {
|
|
return data.script;
|
|
}
|
|
|
|
export function preProcessVirtualParameters(data) {
|
|
return data.script;
|
|
}
|