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Code Issues Releases Wiki Activity

Added support for file-search

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This commit is contained in:
Bryan Roe
2020-11-09 11:55:36 -08:00
parent 7389e6c975
commit 2ac75f7586
2 changed files with 142 additions and 0 deletions
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139
modules/file-search.js Normal file
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/*
Copyright 2020 Intel Corporation
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
var promise = require('promise');
function filesearch()
{
this._ObjectID = 'fileSearch';
switch (process.platform)
{
case 'win32':
this.find = function find(root, criteria)
{
var ret = new promise(function (res, rej) { this._res = res; this._rej = rej; });
require('events').EventEmitter.call(ret, true)
.createEvent('result')
.createEvent('end');
ret.server = require('net').createServer();
ret.server.promise = ret;
ret._clientpath = 'mesh-' + require('uuid/v4')();
ret.path = '\\\\.\\pipe\\' + ret._clientpath;
try { ret.server.listen({ path: ret.path }); } catch (e) { throw ('SearchError: Cannot create connection'); }
ret.server.on('connection', function (c)
{
console.info1('Powershell Search Client connected...');
c.str = '';
this._connection = c;
c.parent = this;
c.on('end', function ()
{
var last = this.str.trim();
if (last != '') { this.parent.promise.emit('result', lines.shift()); }
console.info1('Powershell Search Client disconnected');
this.end();
this.parent._connection = null;
this.parent.promise.emit('end');
this.parent.promise._res();
});
c.on('data', function (chunk)
{
this.str += chunk.toString();
var lines = this.str.split('\r\n');
while (lines.length > 1)
{
this.parent.promise.emit('result', lines.shift());
}
this.str = lines[0];
});
});
ret.child = require('child_process').execFile(process.env['windir'] + '\\System32\\WindowsPowerShell\\v1.0\\powershell.exe', ['powershell']);
ret.child.stdout.on('data', function (c) { /*console.log('stdout: ' + c.toString());*/ });
ret.child.stdin.write('[reflection.Assembly]::LoadWithPartialName("system.core")\r\n');
ret.child.stdin.write('$pipe = new-object System.IO.Pipes.NamedPipeClientStream(".", "' + ret._clientpath + '", 3);\r\n');
ret.child.stdin.write('$pipe.Connect(); \r\n');
ret.child.stdin.write('$sw = new-object System.IO.StreamWriter($pipe);\r\n');
ret.child.stdin.write('Get-ChildItem -Path ' + root.split('\\').join('\\\\') + ' -Include ' + (Array.isArray(criteria)?criteria.join(','):criteria) + ' -File -Recurse -ErrorAction SilentlyContinue |');
ret.child.stdin.write(' ForEach-Object -Process { $sw.WriteLine($_.FullName); $sw.Flush(); }\r\n');
ret.child.stdin.write('exit\r\n');
return (ret);
};
break;
default:
this.find = function find(root, criteria)
{
var ret = new promise(function (res, rej) { this._res = res; this._rej = rej; });
require('events').EventEmitter.call(ret, true)
.createEvent('result')
.createEvent('end');
var searchArgs = ['find', root];
if(process.platform == 'linux')
{
searchArgs.push('-type');
searchArgs.push('f');
searchArgs.push('(');
}
if (Array.isArray(criteria))
{
searchArgs.push('-name');
searchArgs.push(criteria.shift());
while(criteria.length>0)
{
searchArgs.push('-o');
searchArgs.push('-name');
searchArgs.push(criteria.shift());
}
}
else
{
searchArgs.push('-name');
searchArgs.push(criteria);
}
if (process.platform == 'linux') { searchArgs.push(')'); }
ret.child = require('child_process').execFile('/usr/bin/find', searchArgs);
if (ret.child == null)
{
ret._res();
return (ret);
}
ret.child.stdout.str = ''; ret.child.stdout.p = ret;
ret.child.stdout.on('data', function (c)
{
this.str += c.toString();
var lines = this.str.split('\n');
while (lines.length > 1)
{
this.p.emit('result', lines.shift());
}
this.str = lines.pop();
});
ret.child.stderr.on('data', function (c) { });
ret.child.on('exit', function (c)
{
if (this.stdout.str.trim() != '') { this.stdout.p.emit('result', this.stdout.str.trim()); }
this.stdout.p.emit('end');
this.stdout.p._res();
});
return (ret);
};
break;
}
}
module.exports = new filesearch();