#!/usr/bin/python
# Written by Stephane Graber <stgraber@stgraber.org>
#            Daniel Bartlett <dan@f-box.org>
# Last modification : Mon Jan 28 22:33:23 CET 2008

# 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

try:
	import urllib, os, sys, re, getopt, select, xml.dom.minidom, gettext
	from gettext import gettext as _

	gettext.textdomain("pastebinit")

	defaultPB = "http://pastebin.com" #Default pastebin
	version = "0.10" #Version number to show in the usage
	configfile = os.environ.get('HOME') + "/.pastebinit.xml"

	# Custom urlopener to handle 401's
	class pasteURLopener(urllib.FancyURLopener):
	    def http_error_401(self, url, fp, errcode, errmsg, headers, data=None):
		return None

	#Return the parameters depending of the pastebin used
	def getParameters(website, content, user, jabberid, version, format, parentpid, permatag, title, username, password):
		"Return the parameters array for the selected pastebin"
		params={}
		# pastebin.com 2010-02-24 (new owner + API)
		if re.search("http://((([a-zA-Z0-9\-_\.]*)(pastebin\.com)))", website) and not website == "http://www.pastebin.com" or website == "http://pastebin.mozilla.org":
			params['page'] = "/api_public.php"
			params['paste_name'] = user
			params['paste_code'] = content
			params['paste_format'] = format #The format, for syntax hilighting
			params['paste_expire_date'] = "N" #The expiration, N = no expiry
			params['submit'] = "submit"
			params['regexp'] = '^http://.*pastebin.com(.*)$'
#		elif website == "http://pastebin.ca":
#			params['name'] = user
#			params['content'] = content
#			params['type'] = "1" #The expiration, 1 = raw
#			params['save'] = "0" #Do you want a cookie ?
#			params['s'] = "Submit Post"
#			params['regexp'] = '">http://pastebin.ca/(.*)</a></p><p>
		elif re.search("http://((([a-zA-Z0-9\-_\.]*)(paste\.f\-box\.org|1t2\.us|paste\.stgraber\.org)))", website):	
			params['poster'] = user
			params['jid'] = jabberid
			params['code2'] = content
			params['parent_pid'] = parentpid #For reply, "" means homepage (new thread)
			params['format'] = format #The format, for syntax hilighting
			params['paste'] = "Send"
			params['remember'] = "0" #Do you want a cookie ?
			params['expiry'] = "f" #The expiration, f = forever
			params['permatag'] = permatag
			params['title'] = title
			params['username'] = username
			params['password'] = password
			params['version'] = version
		elif website == "http://yourpaste.net":
			params['syntax'] = format
			params['name'] = user
			params['desc'] = title
			params['expire'] = "0" # Forever
			params['code'] = content
			params['private'] = "0" # It's not a private post
			params['remember'] = "0" # Cookies? ;)
			params['page'] = "/paste"
			params['regexp'] = '">http://yourpaste.net(.*)/</a>'
		elif website == "http://paste.ubuntu.com":
			params['poster'] = user
			params['syntax'] = format #The format, for syntax hilighting
			params['content'] = content
		else:
			sys.exit(_("Unknown website, please post a bugreport to request this pastebin to be added (%s)") % website)
		return params

	#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 ():
		print "pastebinit v" + version
		print _("Required arguments:")
		print _("\t-i <filename> or - to read from stdin")
		print _("Optional arguments:")
		print _("\t-b <pastebin url:default is '%s'>") % website
		print _("\t-a <author:default is '%s'>") % user
		print _("\t-f <format of paste:default is '%s'>") % format
		print _("\t-r <parent posts ID:defaults to none>")
		print _("Optional arguments supported only by 1t2.us and paste.stgraber.org:")
		print _("\t-j <jabberid for notifications:default is '%s'>") % jabberid
		print _("\t-m <permatag for all versions of a post:default is blank>")
		print _("\t-t <title of paste:default is blank>")
		print _("\t-u <username> -p <password>")

	# Set defaults
	website = defaultPB
	user = os.environ.get('USER')
	jabberid = ""
	title = ""
	permatag = ""
	format = "text"
	username = ""
	password = ""
	filename = ""
	content = ""
	parentpid = ""

	#Example configuration file string
	configexample = """\
<pastebinit>
<pastebin>http://1t2.us</pastebin>
<author>DanBUK</author>
<jabberid>dan@f-box.org</jabberid>
<format>text</format>
</pastebinit>
"""

	#Open configuration file if it exists
	try:
		f = open(configfile)
		configtext = f.read()
		f.close()
		gotconfigxml = 1
	except KeyboardInterrupt:
		sys.exit(_("KeyboardInterrupt caught."))
	except:
		gotconfigxml = 0

	#Parse configuration file
	if gotconfigxml == 1:
		try:
			configxml = xml.dom.minidom.parse(configfile)
			website = getFirstNodeText(configxml, "pastebin")
			user = getFirstNodeText(configxml, "author")
			format = getFirstNodeText(configxml, "format")
			jabberid = getFirstNodeText(configxml, "jabberid")
		except KeyboardInterrupt:
			sys.exit(_("KeyboardInterrupt caught."))
		except:
			print _("Error parsing configuration file!")
			print _("Please ensure that your configuration file looks similar to the following:")
			print configexample
			sys.exit(1)

	# Check number of arguments
	if len(sys.argv) == 1 and filename == "":
		print _("Error no arguments specified!\n")
		Usage()
		sys.exit(1)

	# Get options
	try:
		optlist, list = getopt.getopt(sys.argv[1:], 'i:f:b:a:r:j:t:m:u:p:')
	except KeyboardInterrupt:
		sys.exit(_("KeyboardInterrupt caught."))
	except getopt.GetoptError:
		print _("Invalid arguments!\n")
		Usage()
		sys.exit(1)

	# Iterate through options
	for opt in optlist:
		if opt[0] == "-i":
			filename = 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] == "-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]

	if filename == "" and len(list) >= 1:
		filename = list[0]

	#If - is specified as a filename read from stdin, otherwise load the specified file.
	if (filename == "" or filename == "-") and content == "":
		content = sys.stdin.read()
	elif content == "":
		try:
			f = open(filename)
			content = f.read()
			f.close()
		except KeyboardInterrupt:
			sys.exit(_("KeyboardInterrupt caught."))
		except:
			sys.exit(_("Unable to read from: %s") % filename)

	params = getParameters(website, content, user, jabberid, version, format, parentpid, permatag, title, username, password) #Get the parameters array
	
	if not re.search(".*/", website):
		website += "/"

	reLink=None
	if params.__contains__("page"):
		website+=params['page']
		tmp_page=params['page']
		params.__delitem__("page")
	if params.__contains__("regexp"):
		reLink=params['regexp']
		params.__delitem__("regexp")
	params = urllib.urlencode(params) #Convert to a format usable with the HTML POST

	url_opener = pasteURLopener()
	page = url_opener.open(website, params) #Send the informations and be redirected to the final page

	try:
		if reLink: #Check if we have to apply a regexp
			website = website.replace(tmp_page, "")
			print website + re.split(reLink, page.read())[1] #Print the result of the Regexp
		else:
			print page.url #Get the final page and show the ur
	except KeyboardInterrupt:
		sys.exit(_("KeyboardInterrupt caught."))
	except:
		raise
		sys.exit(_("Unable to read or parse the result page, it could be a server timeout or a change server side, try with another pastebin."))

except KeyboardInterrupt:
	sys.exit(_("KeyboardInterrupt caught."))