I-Nex/pastebinit

450 lines
16 KiB
Python
Executable File

#!/usr/bin/python3
# -*- coding: utf-8 -*-
# Author: Stéphane Graber <stgraber@ubuntu.com>
# Written by Stéphane Graber <stgraber@stgraber.org>
# Daniel Bartlett <dan@f-box.org>
# Last modification : Mon Jan 6 18:46:46 EST 2014
# 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
if sys.version[0] == "2":
from ConfigParser import SafeConfigParser
from urllib import urlencode
from urllib import FancyURLopener
else:
from configparser import SafeConfigParser
from urllib.parse import urlencode
from urllib.request import FancyURLopener
# Set the default pastebin
defaultPB = "http://pastebin.com"
# Now try to override it with a distributor pastebin
try:
import lsb_release
release = lsb_release.get_distro_information()['ID'].lower()
if release == 'debian':
defaultPB = "http://paste.debian.net"
elif release == 'fedora':
defaultPB = "http://fpaste.org"
elif release == 'ubuntu':
defaultPB = "http://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 = "1.4.1"
configfile = os.path.expanduser("~/.pastebinit.xml")
# Custom urlopener to handle 401's
class pasteURLopener(FancyURLopener):
version = "Pastebinit v%s" % version
def http_error_401(self, url, fp, errcode, errmsg, headers, data=None):
return None
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/i-nex/pastebinit/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 = SafeConfigParser()
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
# pastey.net obfuscates parent ids for replies. Rather than taking the
# post ID given as the parent ID, we must handle this by going to that
# post page and looking up what the invisible parent ID field will be
# set to for children.
def doParentFixup(website, paramname, parentid):
if parentid == "":
return ""
url_opener = pasteURLopener()
page = url_opener.open(website + '/' + parentid, None)
matches = re.split('<input.*?name="' + paramname + '".*?value="(.*?)"',
page.read())
if len(matches) <= 1 or re.match(parentid, matches[1]) is None:
# The obfuscated version didn't begin with the partial version,
# or unable to find the obfuscated version for some reason!
# Create a paste with no parent (should we throw, instead?)
return ""
return matches[1]
#Return the parameters depending of the pastebin used
def getParameters(website, pastebind, content, user, jabberid, version,
format, parentpid, permatag, title, username,
password):
"Return the parameters array for the selected pastebin"
params = {}
for paste_name, paste_config in pastebind.items():
basename = paste_config.get('pastebin', 'basename')
if basename == website or paste_name == website:
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':
params[paramname] = format
elif param == 'parentpid':
params[paramname] = doParentFixup(website, paramname,
parentpid)
elif param == 'permatag':
params[paramname] = permatag
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(_("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'>") % format, file=fd)
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-r <parent posts ID:defaults to none>"), file=fd)
print(_("\t-t <title of paste:default is blank>"), file=fd)
print(_("\t-u <username> -p <password>"), file=fd)
print(_("\t-v Print the version number"), file=fd)
# Set defaults
website = defaultPB
user = os.environ.get('USER')
jabberid = ""
title = ""
permatag = ""
format = "text"
username = ""
password = ""
filenames = []
content = ""
parentpid = ""
#Example configuration file string
configexample = """\
<pastebinit>
<pastebin>http://paste.debian.net</pastebin>
<author>A pastebinit user</author>
<jabberid>nobody@nowhere.org</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:],
'hvli:f:b:a:r:j:t:m:u:p:')
except KeyboardInterrupt:
print(_("KeyboardInterrupt caught."), file=sys.stderr)
sys.exit(1)
except getopt.GetoptError:
print(_("Invalid arguments!\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] == "-f":
format = opt[1]
elif opt[0] == "-b":
website = opt[1]
elif opt[0] == "-a":
user = opt[1]
elif opt[0] == "-r":
parentpid = 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] == "-u":
username = opt[1]
elif opt[0] == "-p":
password = opt[1]
elif opt[0] == "-v":
print("pastebinit v" + version)
sys.exit(0)
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)
for content in contents:
# Get the parameter array
website, params = getParameters(website, pastebind, content, user,
jabberid, version, format, parentpid,
permatag, title, username, password)
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']
reLink = None
tmp_page = ""
if "page" in params:
website += params['page']
tmp_page = params['page']
del params["page"]
if "regexp" in params:
reLink = params['regexp']
del params["regexp"]
if "target_url" in params:
target_url = params["target_url"]
del params["target_url"]
else:
target_url = None
if 'post_format' in params:
post_format = params['post_format']
del params['post_format']
else:
post_format = 'standard'
url_opener = pasteURLopener()
if post_format == 'json':
if json:
params = json.dumps(params)
url_opener.addheader('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 = urlencode(params)
# Send the informations and be redirected to the final page
try:
page = url_opener.open(website, 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
if reLink:
if target_url:
website = target_url
else:
website = website.replace(tmp_page, "")
if reLink == '(.*)':
print(page.read().decode('utf-8').strip())
else:
# Print the result of the regexp
print(website + re.split(reLink,
page.read().decode('utf-8'))[1])
else:
# Get the final page and show the url
print(page.url)
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)