Add files extracted from SIMMCTIC project

Signed-off-by: Lucas Fernandes de Oliveira <lfoliveira@inf.ufpr.br>

.gitignore

+lib-cov
+*.seed
+*.log
+*.csv
+*.dat
+*.out
+*.pid
+*.gz
+
+pids
+logs
+results
+node_modules
+bower_components
+
+build
+tmp
+
+npm-debug.log
+
+config.js
+app/config.json
+
+sessions.db
+
+reports/out

lib/logger.js

+/*
+ * Copyright (C) 2012 Centro de Computacao Cientifica e Software Livre
+ * Departamento de Informatica - Universidade Federal do Parana - C3SL/UFPR
+ *
+ * This file is part of simmc
+ *
+ * simmc is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
+ * USA.
+ */
+
+
+var os = require('os');
+var cluster = require('cluster');
+var bunyan = require('bunyan');
+var cuid = require('cuid');
+var fs    = require('fs');
+
+// Serialize a request (remove unuseful information from requests,
+// log only the necessary).
+function requestSerializer(req) {
+    if ((typeof(req) !== 'object') || (req === null)) {
+        return req;
+    }
+
+    var headers = req.headers || {};
+
+    return {
+        method: req.method,
+        url: req.url,
+        headers: { // selective choice of headers (no cookies)
+            "host": headers["host"],
+            "connection": headers["connection"],
+            "cache-control": headers["cache-control"],
+            "accept": headers["accept"],
+            "user-agent": headers["user-agent"],
+            "referer": headers["referer"],
+            "accept-encoding": headers["accept-encoding"],
+            "accept-language": headers["accept-language"]
+        },
+        remoteAddress: req.ips[0] || req.ip || null
+    };
+}
+
+// Serialize a reponse (remove unuseful information from responses
+// and calculate the reponse time).
+function responseSerializer(res) {
+    if ((typeof(res) !== 'object') || (res === null)) {
+        return res;
+    }
+
+    // Calculate the response time
+    var responseTime;
+    if (res.start) {
+        responseTime = (new Date() - res.start).toString() + " ms";
+    }
+
+    return {
+        statusCode: res.statusCode,
+        responseTime: responseTime
+    }
+}
+
+
+var defaultLogger;
+
+module.exports = function(mode) {
+    if(mode === "default") {
+        // Make sure the logs dir exist
+        try {
+            fs.mkdirSync('logs');
+        }
+        catch (e) {
+            if ( e.code != 'EEXIST' )
+                throw e;
+        }
+
+        // Create the default logger
+
+        defaultLogger = bunyan.createLogger({
+            name: 'default',
+            streams: [{
+                level: "info",
+                type: 'file',
+                path: 'logs/default.log',
+            },
+            {
+                level: "debug",
+                type: 'file',
+                path: 'logs/debug.log',
+            }],
+            serializers: {
+                req: requestSerializer,
+                res: responseSerializer
+            }
+        });
+        if (!cluster.isMaster) {
+            defaultLogger = defaultLogger.child({ worker: cluster.worker.id });
+        }
+         return defaultLogger; 
+    }
+
+
+    else if (mode === "expressAccess") {
+        // Export the access logger (log express requests)
+        return function (req, res, next) {
+            // insert the current time into the response
+            // (for later calculation of reponse time).
+            res.start = new Date();
+
+            // Insert a log object into the request.
+            // The routes can use this object to log messages and all
+            // of them can be traced to the request (by req_id).
+            req.log = defaultLogger.child({ req_id: cuid.slug() });
+
+            // Log the request
+            req.log.debug({req: req}, 'request');
+
+            // Continue to the next handler
+            next();
+
+            // Log the response
+            req.log.debug({res: res}, 'response');
+        };
+    }
+
+    else if (mode === "expressError") {
+        // Export the express error logger (log errors during request processing)
+        return function (err, req, res, next) {
+            if (err) {
+                defaultLogger.error({err: err}, 'Error while processing request');
+            }
+
+            next();
+        };
+    }
+    
+    else {
+    
+        defaultLogger = bunyan.createLogger({
+            name: 'stdout',
+            stream: process.stdout,
+            serializers: {
+                req: requestSerializer,
+                res: responseSerializer
+            }
+        });
+        if (!cluster.isMaster) {
+            defaultLogger = defaultLogger.child({ worker: cluster.worker.id });
+        }
+         return defaultLogger; 
+    }
+};
+
+

middleware/db.js

+var pg = require('pg'),
+    copyFrom = require('pg-copy-streams').from,
+    fs = require('fs'),
+    _ = require('lodash');
+
+var tokenPattern = /\$[a-zA-Z]([a-zA-Z0-9_]*)\b/g;
+
+function numericFromNamed(sql, parameters) {
+    var fillableTokens = Object.keys(parameters);
+
+    var matchedTokens = _.uniq(_.map(sql.match(tokenPattern), function (token) {
+        return token.substring(1); // Remove leading dollar sign
+    }));
+
+    var fillTokens = _.intersection(fillableTokens, matchedTokens).sort();
+    var fillValues = _.map(fillTokens, function (token) {
+        return parameters[token];
+    });
+
+    var unmatchedTokens = _.difference(matchedTokens, fillableTokens);
+
+    if (unmatchedTokens.length) {
+        var missing = unmatchedTokens.join(", ");
+        throw new Error("Missing Parameters: " + missing);
+    }
+
+    var interpolatedSql = _.reduce(fillTokens, function (partiallyInterpolated, token, index) {
+        var replaceAllPattern = new RegExp('\\$' + fillTokens[index] + '\\b', "g");
+        return partiallyInterpolated.replace(replaceAllPattern, '$' + (index+1));
+    }, sql);
+
+    var out = {};
+    out.sql = interpolatedSql;
+    out.values = fillValues;
+
+    return out;
+}
+
+function namedPatch(client) {
+    var originalQuery = client.query;
+
+    if (originalQuery.patched) return client;
+
+    originalQuery = originalQuery.bind(client);
+
+    var patchedQuery = function(config, values, callback) {
+        if (arguments.length === 1) {
+            return originalQuery(config);
+        }
+        else if (arguments.length === 2 && _.isFunction(values)) {
+            return originalQuery(config, values);
+        }
+        else if (_.isArray(values)) {
+            return originalQuery(config, values, callback);
+        } else {
+            var reparameterized = numericFromNamed(config, values);
+            return originalQuery(reparameterized.sql, reparameterized.values, callback);
+        }
+    };
+
+    client.query = patchedQuery;
+    client.query.patched = true;
+
+    return client;
+}
+
+exports.pool = function (config) {
+    return function (req, res, next) {
+        req.db = {
+            connect: function (callback) {
+                pg.on('error', function(err) {
+                    return;
+                });
+                pg.connect(config, function (err, client, done) {
+                    if (err) {
+                        setTimeout(req.db.connect, 5000, callback);
+                        return;
+                    }
+
+                    namedPatch(client);
+                    callback(null, new Connection(client), done);
+                });
+            }
+        };
+
+        next();
+    };
+};
+
+function Connection(client) {
+    this.query = function (query, params, callback) {
+        return client.query(query, params, callback);
+    };
+
+    this.execute = function (query, params) {
+        var $this = this;
+
+        return function (callback) {
+            $this.query(query, params, function (err) {
+                callback(err);
+            });
+        };
+    };
+
+    this.queryFromFile = function(file, params, callback) {
+        var queries_dir = __dirname + "/../queries/";
+
+        fs.readFile(queries_dir + file, 'utf8', function (err, data) {
+            if (err) {
+                return callback(err);
+            }
+
+            if (typeof params === 'undefined') {
+                params = [];
+            }
+
+            client.query(data, params, callback);
+        });
+    };
+
+    this.executeFromFile = function(file, params) {
+        var $this = this;
+
+        return function (callback) {
+            $this.queryFromFile(file, params, function (err) {
+                callback(err);
+            });
+        };
+    };
+
+    this.copyFrom = function (query, callback) {
+        var stream = client.query(copyFrom(query));
+        stream.on('end', callback);
+        stream.on('error', callback);
+        return stream;
+    };
+
+    this.transaction = function (callback) {
+        client.query('BEGIN;', function (err) {
+            callback(err);
+        });
+    };
+
+    this.commit = function (callback) {
+        client.query('COMMIT;', function (err) {
+            callback(err);
+        });
+    };
+
+    this.rollback = function (callback) {
+        client.query('ROLLBACK;', function (err) {
+            callback(err);
+        });
+    };
+
+    this.auth = function (user, ip, action, comment) {
+        return function (callback) {
+            if (!(user && user.id))
+                return callback('not_logged_in');
+
+            client.query('SELECT auth.user_action($1, $2, $3, $4);',
+                              [user.id, ip, action, comment],
+                              function (err) {
+                                  callback(err);
+                              });
+        };
+    };
+};

package.json

+{
+  "name": "proinfo-ws-novo",
+  "version": "1.0.0",
+  "description": "Webservice novo para proinfodata",
+  "homepage": "http://simmc.c3sl.ufpr.br",
+  "license": "GPLv3",
+  "private": true,
+  "scripts": {
+    "start": "node server.js"
+  },
+  "dependencies": {
+    "async": "^3.1.0",
+    "body-parser": "^1.19.0",
+    "bunyan": "^1.8.12",
+    "cuid": "^2.1.6",
+    "express": "^4.17.1",
+    "lodash": "^4.17.15",
+    "minimist": "^1.2.0",
+    "pg": "^6.1.0",
+    "pg-copy-streams": "^2.2.2"
+  }
+}

queries/collect/inventory.sql

+INSERT INTO inventory
+(
+    contact_date,
+    id_point,
+    machine_type,
+    macaddr,
+    agent_version,
+    os_type,
+    os_distro,
+    os_kernel,
+    processor,
+    memory,
+    disk1_model,
+    disk1_size,
+    disk1_used,
+    disk2_model,
+    disk2_size,
+    disk2_used,
+    extra_hds,
+    mirror_timestamp,
+    amount_users,
+    board_name,
+    board_serial,
+    board_vendor,
+    board_version,
+    date_bios,
+    product_name,
+    product_serial,
+    product_version,
+    sys_vendor
+)
+VALUES ($1, $2, $3, $4, $5, $6, $7, $8, $9, $10, $11, $12, $13, $14,
+$15, $16, $17, $18, $19, $20, $21, $22, $23, $24, $25, $26, $27, $28);

queries/collect/net_usage.sql

+INSERT INTO net_usage
+(
+    contact_date,
+    id_point,
+    macaddr,
+    collect_date,
+    collect_time,
+    down_bytes,
+    down_packages,
+    up_bytes,
+    up_packages
+)
+VALUES ($1, $2, $3, $4, $5, $6, $7, $8, $9);

queries/db-create.sql

+CREATE TABLE inventory (
+    contact_date DATE
+    , id_point TEXT -- For some reason they want to use INEP as ID (which is a string)
+    , machine_type INTEGER
+    , macaddr TEXT
+    , os_type TEXT
+    , os_distro TEXT
+    , os_kernel TEXT
+    , processor TEXT
+    , memory INTEGER
+    , disk1_model TEXT
+    , disk1_size INTEGER
+    , disk1_used INTEGER
+    , disk2_model TEXT
+    , disk2_size INTEGER
+    , disk2_used INTEGER
+    , extra_hds SMALLINT
+    , mirror_timestamp TIMESTAMP WITHOUT TIME ZONE
+    , agent_version TEXT
+    , amount_users INTEGER
+    , board_name TEXT
+    , board_serial TEXT
+    , board_vendor TEXT
+    , board_version TEXT
+    , date_bios DATE
+    , product_name TEXT
+    , product_serial TEXT
+    , product_version TEXT
+    , sys_vendor TEXT
+);
+
+CREATE TABLE net_usage (
+    contact_date DATE
+    , id_point INTEGER
+    , macaddr MACADDR
+    , collect_date DATE
+    , collect_time TIME WITH TIME ZONE
+    , down_bytes BIGINT
+    , down_packages INTEGER
+    , up_bytes BIGINT
+    , up_packages INTEGER
+    , city_code TEXT
+    , ip INET
+);

routes/agent.js

+/*
+ * Copyright (C) 2012-2019 Centro de Computacao Cientifica e Software Livre
+ * Departamento de Informatica - Universidade Federal do Parana - C3SL/UFPR
+ *
+ * This file is part of simmc
+ *
+ * simmc is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
+ * USA.
+ */
+
+var async = require('async');
+var exec = require('child_process').exec;
+
+function isSubSet (array1, array2) {
+    return array1.every(function(item1) {
+        return array2.some(function(item2) {
+            return item1 == item2;
+        });
+    });
+}
+
+function dateFormat (date) {
+
+    if (!date) {
+        return null;
+    }
+
+    return date.getFullYear() + '-' +
+           ("0" + (date.getMonth() + 1)).slice(-2) + '-' +
+           ("0" + date.getDate()).slice(-2);
+}
+
+function timeFormat (date) {
+
+    if (!date) {
+        return null;
+    }
+
+    return ("0" + date.getHours()).slice(-2) + ':' +
+           ("0" + date.getMinutes()).slice(-2) + ':' +
+           ("0" + date.getSeconds()).slice(-2);
+}
+
+var routes =  {
+    "net_usage": {
+        validation: function(body) {
+            if(!body) {
+                return false;
+            }
+            else {
+                var keys = [
+                    'id_point',
+                    'mac_address',
+                    'bytes_received',
+                    'bytes_transmitted',
+                    'collect_date',
+                    'collect_time',
+                    'packets_received',
+                    'packets_transmitted',
+                ];
+                return isSubSet(keys, Object.keys(body));
+            }
+        },
+        parser: function(body) {
+            var time = body.collect_date + " " + body.collect_time;
+            return [
+                dateFormat(new Date()),
+                body.id_point,
+                body.mac_address,
+                (body.collect_date)? dateFormat(new Date(body.collect_date)): null,
+                (body.collect_time)? timeFormat(new Date(time)): null,
+                body.bytes_received,
+                body.packets_received,
+                body.bytes_transmitted,
+                body.packets_transmitted,
+            ];
+        },
+        query: 'collect/net_usage.sql',
+        field: 'data_net'
+    },
+    "inventory": {
+        validation: function(body) {
+            if(!body) {
+                return false;
+            }
+            else {
+                var keys = [
+                    'id_point',
+                    'agent_version',
+                    'amount_users',
+                    'disk1_model',
+                    'disk1_size',
+                    'disk1_used',
+                    'disk2_model',
+                    'disk2_size',
+                    'extra_hds',
+                    'mac_address',
+                    'machine_type',
+                    'memory',
+                    'os_distro',
+                    'os_kernel',
+                    'os_type',
+                    'processor',
+                    'board_name',
+                    'board_serial',
+                    'board_vendor',
+                    'board_version',
+                    'date_bios',
+                    'product_name',
+                    'product_serial',
+                    'product_version',
+                    'sys_vendor',
+                ];
+                return isSubSet(keys, Object.keys(body));
+            }
+        },
+        parser: function(body) {
+            return [
+                dateFormat(new Date()),
+                body.id_point,
+                (body.machine_type === "server") ? 1 : 0, 
+                body.mac_address,
+                body.agent_version,
+                body.os_type,
+                body.os_distro,
+                body.os_kernel,