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#!/usr/bin/env python3
# -*- coding: utf-8 -*-
# Author: Stéphane Graber <[email protected]>
# Written by Stéphane Graber <[email protected]>
# Daniel Bartlett <[email protected]>
# This program 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 St, Fifth Floor, Boston, MA 02110-1301 USA
from __future__ import print_function
import sys
from configparser import ConfigParser, NoOptionError
from urllib.parse import urlencode
from urllib import request
# Set the default pastebin
defaultPB = "pastebin.com"
# Now try to override it with a distributor pastebin
try:
import distro
release = distro.linux_distribution(
full_distribution_name=False)[0].lower()
if release == 'debian':
defaultPB = "paste.debian.net"
elif release == 'fedora':
defaultPB = "fpaste.org"
elif release == 'ubuntu':
defaultPB = "paste.ubuntu.com"
except ImportError:
pass
try:
import getopt
import gettext
import os
import re
import socket
import xml.dom.minidom
try:
import json
except ImportError:
json = None
_ = gettext.gettext
gettext.textdomain("pastebinit")
# Timeout after 5s
socket.setdefaulttimeout(15)
# Version number to show in the usage
version = "1.5.1"
configfile = os.path.expanduser("~/.pastebinit.xml")
class PasteRequest(request.Request):
version = "Pastebinit v%s" % version
def __init__(self, *args, **opts):
super(PasteRequest, self).__init__(*args, **opts)
if 'User-agent' not in self.headers:
self.add_header('User-agent', self.version)
def preloadPastebins():
# Check several places for config files:
# - global config in /etc/pastebin.d
# - for source checkout, config in the checkout
# - user's overrides in ~/.pastebin.d
# Files found later override files found earlier.
pastebind = {}
for confdir in ['/usr/share/pastebin.d', '/etc/pastebin.d',
'/usr/local/etc/pastebin.d',
os.path.expanduser('~/.pastebin.d'),
os.path.join(
os.path.dirname(
os.path.realpath(__file__)), 'pastebin.d')]:
try:
confdirlist = os.listdir(confdir)
except OSError:
continue
for fileitem in confdirlist:
if fileitem.startswith('.') or not fileitem.endswith('.conf'):
continue
filename = os.path.join(confdir, fileitem)
instance = ConfigParser()
try:
instance.read(filename)
except UnicodeError:
continue
if not instance.has_section('pastebin'):
print(_('%s: no section [pastebin]') % filename,
file=sys.stderr)
continue
if not instance.has_option('pastebin', 'basename'):
print(_("%s: no 'basename' in [pastebin]") % filename,
file=sys.stderr)
continue
pastebind[instance.get('pastebin', 'basename')] = instance
return pastebind
# Return the parameters depending of the pastebin used
def getParameters(website, pastebind, content, user, jabberid, version,
format, permatag, title, username,
password, private):
"Return the parameters array for the selected pastebin"
params = {}
for paste_name, paste_config in pastebind.items():
basename = paste_config.get('pastebin', 'basename')
try:
https = paste_config.get('pastebin', 'https')
except:
https = False
if basename == website or paste_name == website:
if https:
website = "https://%s" % basename
else:
website = "http://%s" % basename
if re.search(paste_config.get('pastebin', 'regexp'), website):
if paste_config.has_option('pastebin', 'sizelimit'):
params['sizelimit'] = paste_config.get('pastebin',
'sizelimit')
for param in paste_config.options('format'):
paramname = paste_config.get('format', param)
if param == 'user':
params[paramname] = user
elif param == 'content':
params[paramname] = content
elif param == 'title':
params[paramname] = title
elif param == 'version':
params[paramname] = version
elif param == 'format':
try:
params[paramname] = paste_config.get('defaults',
'format')
except NoOptionError:
params[paramname] = format
elif param == 'permatag':
params[paramname] = permatag
elif param == 'private':
params[paramname] = private
elif param == 'username':
params[paramname] = username
elif param == 'password':
params[paramname] = password
elif param == 'jabberid':
params[paramname] = jabberid
else:
params[paramname] = paste_config.get('defaults', param)
if params:
return website, params
else:
print(_("Unknown website, please post a bugreport to request "
"this pastebin to be added (%s)") % website,
file=sys.stderr)
sys.exit(1)
# XML Handling methods
def getText(nodelist):
rc = ""
for node in nodelist:
if node.nodeType == node.TEXT_NODE:
rc = rc + node.data
return rc
def getNodes(nodes, title):
return nodes.getElementsByTagName(title)
def getFirstNode(nodes, title):
return getNodes(nodes, title)[0]
def getFirstNodeText(nodes, title):
return getText(getFirstNode(nodes, title).childNodes)
# Display usage instructions
def Usage(fd=sys.stdout):
print("pastebinit v" + version, file=fd)
print(_("Reads on stdin for input or takes a list of filenames "
"as parameters"), file=fd)
print(_("\t-E also print content to standard output"), file=fd)
print(_("Optional arguments (not supported by all pastebins):"),
file=fd)
print(_("\t-a <author:default is '%s'>") % user, file=fd)
print(_("\t-b <pastebin url:default is '%s'>") % website, file=fd)
print(_("\t-f <format of paste:default is '%s' (or from pastebin config)>") % format, file=fd) # noqa
print(_("\t-h This help screen"), file=fd)
print(_("\t-i <input file>"), file=fd)
print(_("\t-l List all supported pastebins"), file=fd)
print(_("\t-j <jabberid for notifications:default is '%s'>") %
jabberid, file=fd)
print(_("\t-m <permatag for all versions of a post:default is blank>"),
file=fd)
print(_("\t-t <title of paste:default is blank>"), file=fd)
print(_("\t-P Private. Makes your paste hidden if possible"), file=fd)
print(_("\t-u <username> -p <password>"), file=fd)
print(_("\t-v Print the version number"), file=fd)
print(_("\t--verbose Verbose output to stderr"), file=fd)
# Set defaults
website = defaultPB
user = os.environ.get('USER', os.environ.get('LOGNAME'))
jabberid = ""
title = ""
permatag = ""
format = "text"
username = ""
password = ""
filenames = []
content = ""
private = 0
verbose = False
echo = False
# Example configuration file string
configexample = """\
<pastebinit>
<pastebin>paste.debian.net</pastebin>
<author>A pastebinit user</author>
<jabberid>[email protected]</jabberid>
<format>text</format>
</pastebinit>
"""
# Open configuration file if it exists
try:
f = open(configfile)
configtext = f.read()
f.close()
gotconfigxml = True
except KeyboardInterrupt:
print(_("KeyboardInterrupt caught."), file=sys.stderr)
sys.exit(1)
except:
gotconfigxml = False
# Parse configuration file
if gotconfigxml:
try:
configxml = xml.dom.minidom.parseString(configtext)
for variable, key in (('pastebin', 'website'), ('author', 'user'),
('format', 'format'),
('jabberid', 'jabberid')):
try:
value = getFirstNodeText(configxml, variable)
vars()[key] = value
except:
pass
except KeyboardInterrupt:
print(_("KeyboardInterrupt caught."), file=sys.stderr)
sys.exit(1)
except:
print(_("Error parsing configuration file!"), file=sys.stderr)
print(_("Please ensure that your configuration file looks "
"similar to the following:"), file=sys.stderr)
print(configexample, file=sys.stderr)
sys.exit(1)
# Get options
try:
optlist, arglist = getopt.getopt(sys.argv[1:],
'EPhvli:f:b:a:j:t:m:u:p:',
('verbose',))
except KeyboardInterrupt:
print(_("KeyboardInterrupt caught."), file=sys.stderr)
sys.exit(1)
except getopt.GetoptError as e:
print(_("Invalid arguments: %s!" % e)+"\n", file=sys.stderr)
Usage(sys.stderr)
sys.exit(1)
# Get the config
pastebind = preloadPastebins()
# Iterate through options
for opt in optlist:
if opt[0] == "-h":
Usage()
sys.exit(0)
if opt[0] == "-i":
filenames.append(opt[1])
elif opt[0] == "-E":
echo = True
elif opt[0] == "-f":
format = opt[1]
elif opt[0] == "-b":
website = opt[1]
elif opt[0] == "-a":
user = opt[1]
elif opt[0] == "-j":
jabberid = opt[1]
elif opt[0] == "-l":
print(_("Supported pastebins:"))
for pastebin in sorted(pastebind):
print("- %s" % pastebin)
sys.exit(0)
elif opt[0] == "-t":
title = opt[1]
elif opt[0] == "-m":
permatag = opt[1]
elif opt[0] == "-P":
private = 1
elif opt[0] == "-u":
username = opt[1]
elif opt[0] == "-p":
password = opt[1]
elif opt[0] == "-v":
print("pastebinit v" + version)
sys.exit(0)
elif opt[0] == "--verbose":
verbose = True
filenames += arglist
if not filenames:
filenames.append("-")
contents = []
for filename in filenames:
# If - is specified as a filename read from stdin
# otherwise load the specified files.
if filename == "-":
content = sys.stdin.read()
else:
try:
with open(filename, "rb") as fd:
content = fd.read()
except KeyboardInterrupt:
print(_("KeyboardInterrupt caught."), file=sys.stderr)
sys.exit(1)
except:
print(_("Unable to read from: %s") % filename, file=sys.stderr)
sys.exit(1)
if not content:
print(_("You are trying to send an empty document, exiting."),
file=sys.stderr)
sys.exit(1)
contents.append(content)
if echo:
print(content)
for content in contents:
# Get the parameter array
website, params = getParameters(website, pastebind, content, user,
jabberid, version, format,
permatag, title, username, password,
private)
if not website.endswith("/"):
website += "/"
if "sizelimit" in params:
if len(content) > int(params['sizelimit']):
print(_("The content you are trying to send exceeds "
"the pastebin's size limit."), file=sys.stderr)
sys.exit(1)
else:
del params['sizelimit']
if "page" in params:
# Use page, without leading slash: website has a trailing one.
fetch_url = website + params['page'].lstrip("/")
del params['page']
else:
fetch_url = website
if "regexp" in params:
reLink = params['regexp']
del params["regexp"]
else:
reLink = False
# Get target_url for replacement, only used with reLink.
if "target_url" in params:
relink_target_url = params["target_url"]
del params["target_url"]
if not reLink:
print("Warning: using target_url without regexp.",
file=sys.stderr)
elif reLink:
relink_target_url = website
if 'post_format' in params:
post_format = params['post_format']
del params['post_format']
else:
post_format = 'standard'
req = PasteRequest(fetch_url)
if post_format == 'json':
if json:
params = bytes(json.dumps(params), encoding='US-ASCII')
req.add_header('Content-type', 'text/json')
else:
print(_("Could not find any json library."), file=sys.stderr)
sys.exit(1)
else:
# Convert to a format usable with the HTML POST
params = bytes(urlencode(params), encoding='US-ASCII')
# Send the informations and be redirected to the final page
if verbose:
print("POSTing to: %s\nParams: %s" % (
fetch_url, str(params)), file=sys.stderr)
try:
page = request.urlopen(req, params)
except Exception as e:
print(_("Failed to contact the server: %s") % e, file=sys.stderr)
sys.exit(1)
try:
# Check if we have to apply a regexp
page_url = ""
if reLink:
if reLink == '(.*)':
page_url = page.read().decode('utf-8').strip()
else:
# Print the result of the regexp
page_url = relink_target_url + re.split(
reLink,
page.read().decode('utf-8'))[1]
else:
# Get the final page and show the url
if echo:
print("-" * len(page.url))
page_url = page.url
print(page_url.strip())
except KeyboardInterrupt:
print(_("KeyboardInterrupt caught."), file=sys.stderr)
sys.exit(1)
except:
print(_("Unable to read or parse the result page, it could be a "
"server timeout or a change server side, "
"try with another pastebin."), file=sys.stderr)
sys.exit(1)
except KeyboardInterrupt:
print(_("KeyboardInterrupt caught."), file=sys.stderr)
sys.exit(1)
