CmdServer.py

#import statements
import subprocess
from cgi import escape,parse_qs
from wsgiref.simple_server import make_server
import atexit




def prepareCmd(req):
    queryDic = parse_qs(req['QUERY_STRING'])
    
    if queryDic.get('cmd') != None:
        return str(queryDic.get('cmd')[0]).split(' ')
    else:
        return None
#eof
    



def runCmd(cmdStr):
    p = subprocess.Popen(cmdStr, stdout=subprocess.PIPE)
    
    outputStr = ""
    
    for line in p.stdout:
        outputStr+=line
    p.wait()
    
    return outputStr
#eof




def prepareResponse(outputStr, startResponse):
    outputStr = outputStr.replace('\n', '<br>')
    
    strLen = str(len(outputStr))
    startResponse('200 OK', [('Content-Type', 'text/html'),('Content-Length', strLen)])
    
    return [outputStr]
#eof




def requestHandler(req, startResponse):
    
    cmdStr = prepareCmd(req)
    
    if cmdStr != None:
        outputStr = runCmd(cmdStr)
    else:
        outputStr = "Missing CMD parameter!!!"
        
    return prepareResponse(outputStr, startResponse)
        
#eof





def exitHandler():
    print "Shuting down server..."
    global httpd
    httpd.shutdown()
#eof




def main():
    httpd = make_server('localhost', 8004, requestHandler)
    atexit.register(exitHandler)
    print "Listening... on port: ",8004
    httpd.serve_forever()
#eof


main()