karlcow/webmention.py

## webmention.py
#!/usr/bin/python
import cgi
import os
method = os.environ['REQUEST_METHOD']


def mimeparse(http_accept):
    "Create a reduced list of mime type without quality factors"
    reduced_list = []
    for mime in http_accept.split(","):
        separated_mime = mime.split(";")
        mime_only = separated_mime[0].strip()
        if mime_only in ["application/json", "text/html", "*/*"]:
            reduced_list.append(mime_only)
    return reduced_list


def json_response():
    "Webmention generic JSON response"
    print "Status: 202"
    print "Content-type: application/json\n\n"
    print '{"result": "WebMention was successful"}'


def html_response():
    "Webmention generic HTML response"
    print "Status: 202"
    print "Content-type: text/html\n\n"
    print """<!DOCTYPE html>
<html lang="en">
  <head>
    <title>WebMention</title>
  </head>
  <body>
    <p><a href="http://webmention.org/">WebMention</a> was successful</p>
  </body>
</html>"""


def process_data(form):
    """Process the webmention form data.
    DONE:
    - Collect the values
    TODO:
    - check if the values are URL.
    - If the URLs exist (200 OK)
    - If the content at 'source' contains a link to 'target'"""
    source = form["source"].value
    target = form["target"].value
    pass


# we only accept HTTP POST
if method != "POST":
    print "Status: 405"
    print "Content-type: text/plain\n\n"
    print "Only POST method is allowed. See http://webmention.org/"
else:
    # get the accept header
    accept = mimeparse(os.environ['HTTP_ACCEPT'])
    # get the form data
    form = cgi.FieldStorage()
    # Accept contains application/json
    if "application/json" in accept:
        process_data(form)
        json_response()
    # Accept contains */*
    elif "*/*" in accept:
        process_data(form)
        json_response()
    # Accept contains text/html
    elif "text/html" in accept:
        process_data(form)
        html_response()
    # None of these before and we reject the request
    else:
        print "Status: 406"
        print "Content-type: text/plain\n\n"
        print "Wrong Accept header. We can provide only text/html or application/json. See http://webmention.org/"
        print "Accept header is %s" % accept
	#!/usr/bin/python
	import cgi
	import os
	method = os.environ['REQUEST_METHOD']


	def mimeparse(http_accept):
	"Create a reduced list of mime type without quality factors"
	reduced_list = []
	for mime in http_accept.split(","):
	separated_mime = mime.split(";")
	mime_only = separated_mime[0].strip()
	if mime_only in ["application/json", "text/html", "/"]:
	reduced_list.append(mime_only)
	return reduced_list


	def json_response():
	"Webmention generic JSON response"
	print "Status: 202"
	print "Content-type: application/json\n\n"
	print '{"result": "WebMention was successful"}'


	def html_response():
	"Webmention generic HTML response"
	print "Status: 202"
	print "Content-type: text/html\n\n"
	print """<!DOCTYPE html>
	<html lang="en">
	<head>
	<title>WebMention</title>
	</head>
	<body>
	<p><a href="http://webmention.org/">WebMention</a> was successful</p>
	</body>
	</html>"""


	def process_data(form):
	"""Process the webmention form data.
	DONE:
	- Collect the values
	TODO:
	- check if the values are URL.
	- If the URLs exist (200 OK)
	- If the content at 'source' contains a link to 'target'"""
	source = form["source"].value
	target = form["target"].value
	pass


	# we only accept HTTP POST
	if method != "POST":
	print "Status: 405"
	print "Content-type: text/plain\n\n"
	print "Only POST method is allowed. See http://webmention.org/"
	else:
	# get the accept header
	accept = mimeparse(os.environ['HTTP_ACCEPT'])
	# get the form data
	form = cgi.FieldStorage()
	# Accept contains application/json
	if "application/json" in accept:
	process_data(form)
	json_response()
	# Accept contains /
	elif "/" in accept:
	process_data(form)
	json_response()
	# Accept contains text/html
	elif "text/html" in accept:
	process_data(form)
	html_response()
	# None of these before and we reject the request
	else:
	print "Status: 406"
	print "Content-type: text/plain\n\n"
	print "Wrong Accept header. We can provide only text/html or application/json. See http://webmention.org/"
	print "Accept header is %s" % accept