diginfo/dovecotpwd.py

## dovecotpwd.py
#!/usr/bin/python

from BaseHTTPServer import BaseHTTPRequestHandler,HTTPServer
import SimpleHTTPServer
import SocketServer
from os import curdir, sep
import urllib
import subprocess

PORT = 8000
PASSKEY = "abcd1234"
FILEPATH = '/etc/dovecot/passwd'
INDEX="""<html>
    <head>
        <title>Email Password</title>
        <style>
          .row {
              display: block;
              margin-bottom: 0.5em;
          }

          label {
            display: inline-block;
            width: 8em;
          }

        </style>
    </head>
    <body>
      <form>
        <h1>Change Password</h1>
        <div class="row">
          <label>Email Address:</label>
          <input type="email" name="email" >
        </div>

        <div class="row">
          <label>New Password:</label>
          <input type="password" name="passwd">
        </div>

        <div class="row">
          <label>Pass Key:</label>
          <input type="password" name="passkey">
        </div>

        <div class="row">
          <input type="submit">
        </div>

      </form>
    </body>
</html>"""


## Read existing & parse new password
def dofile(email,passwd):
  FDATA=[]
  with open(FILEPATH) as fp:
    line = fp.readline()
    while line:
      if len(line) > 20:
        _email,_pwd = line.strip().split(':')
        if _email != email:
          FDATA.append(line.strip())
        else:
          FDATA.append('{}:{}'.format(email,passwd))
      line = fp.readline()

  return ("\n".join(FDATA))

def wrfile(data):
  f = open(FILEPATH, "w")
  f.write(data)
  f.close()
  return

def bash(cmd):
  process = subprocess.Popen(cmd.split(), stdout=subprocess.PIPE)
  res, err = process.communicate()
  if err: return err
  else: return res

#Handler for the GET requests
class myHandler(BaseHTTPRequestHandler):

  ## html page
  def page(self,path='index.html'):
    mimetype = 'text/html'
    f = open(curdir + sep + path)
    self.send_response(200)
    self.send_header('Content-type','text/html')
    self.end_headers()
    self.wfile.write(f.read())
    f.close()

  def do_GET(self):

    self.path = urllib.unquote(self.path)
    print('path:',self.path)

    if self.path == '/':
      self.send_response(200)
      self.send_header('Content-type','text/html')
      self.end_headers()
      self.wfile.write(INDEX);

    else:
      bits = self.path.split('?')
      if len(bits) == 2:
        params = bits[1].split('&')
        data = {
          'email'  : None,
          'passwd'  : None,
          'passkey' : None
        }

        for i in params:
          key,val = i.split('=')
          if key in data: data[key] = val

        ## Dont Proceed if Wrong
        if data['passkey'] != PASSKEY:
          self.send_response(500)
          return self.end_headers()

        else:
          cram = bash('/usr/bin/doveadm pw -s cram-md5 -u {} -p {}'.format(data['email'],data['passwd']))
          res = dofile(data['email'],cram)
          wrfile(res);
          bash("service dovecot reload")
          self.send_response(200)
          self.send_header('Content-type','text/html')
          self.end_headers()
          self.wfile.write('<h1>Password for {} Updated. </h1>'.format(data['email']))
    return

httpd = SocketServer.TCPServer(("", PORT), myHandler)
print "Serving at port", PORT
httpd.serve_forever()
	#!/usr/bin/python

	from BaseHTTPServer import BaseHTTPRequestHandler,HTTPServer
	import SimpleHTTPServer
	import SocketServer
	from os import curdir, sep
	import urllib
	import subprocess

	PORT = 8000
	PASSKEY = "abcd1234"
	FILEPATH = '/etc/dovecot/passwd'
	INDEX="""<html>
	<head>
	<title>Email Password</title>
	<style>
	.row {
	display: block;
	margin-bottom: 0.5em;
	}

	label {
	display: inline-block;
	width: 8em;
	}

	</style>
	</head>
	<body>
	<form>
	<h1>Change Password</h1>
	<div class="row">
	<label>Email Address:</label>
	<input type="email" name="email" >
	</div>

	<div class="row">
	<label>New Password:</label>
	<input type="password" name="passwd">
	</div>

	<div class="row">
	<label>Pass Key:</label>
	<input type="password" name="passkey">
	</div>

	<div class="row">
	<input type="submit">
	</div>

	</form>
	</body>
	</html>"""


	## Read existing & parse new password
	def dofile(email,passwd):
	FDATA=[]
	with open(FILEPATH) as fp:
	line = fp.readline()
	while line:
	if len(line) > 20:
	_email,_pwd = line.strip().split(':')
	if _email != email:
	FDATA.append(line.strip())
	else:
	FDATA.append('{}:{}'.format(email,passwd))
	line = fp.readline()

	return ("\n".join(FDATA))

	def wrfile(data):
	f = open(FILEPATH, "w")
	f.write(data)
	f.close()
	return

	def bash(cmd):
	process = subprocess.Popen(cmd.split(), stdout=subprocess.PIPE)
	res, err = process.communicate()
	if err: return err
	else: return res

	#Handler for the GET requests
	class myHandler(BaseHTTPRequestHandler):

	## html page
	def page(self,path='index.html'):
	mimetype = 'text/html'
	f = open(curdir + sep + path)
	self.send_response(200)
	self.send_header('Content-type','text/html')
	self.end_headers()
	self.wfile.write(f.read())
	f.close()

	def do_GET(self):

	self.path = urllib.unquote(self.path)
	print('path:',self.path)

	if self.path == '/':
	self.send_response(200)
	self.send_header('Content-type','text/html')
	self.end_headers()
	self.wfile.write(INDEX);

	else:
	bits = self.path.split('?')
	if len(bits) == 2:
	params = bits[1].split('&')
	data = {
	'email' : None,
	'passwd' : None,
	'passkey' : None
	}

	for i in params:
	key,val = i.split('=')
	if key in data: data[key] = val

	## Dont Proceed if Wrong
	if data['passkey'] != PASSKEY:
	self.send_response(500)
	return self.end_headers()

	else:
	cram = bash('/usr/bin/doveadm pw -s cram-md5 -u {} -p {}'.format(data['email'],data['passwd']))
	res = dofile(data['email'],cram)
	wrfile(res);
	bash("service dovecot reload")
	self.send_response(200)
	self.send_header('Content-type','text/html')
	self.end_headers()
	self.wfile.write('<h1>Password for {} Updated. </h1>'.format(data['email']))
	return

	httpd = SocketServer.TCPServer(("", PORT), myHandler)
	print "Serving at port", PORT
	httpd.serve_forever()