zhuowei/README.md

## README.md

      
    Raw
  

              README.md
            
          
    A simple CGI-based web server.
first, run createDatabase.py, then run run.py.
Then navigate to http://127.0.0.1:8080/ in a web browser.

  
## addURL
#!/usr/bin/python

import cgi
import sqlite3
import urlparse
import os

#Change this
PATH_TO_INSTALL = "/home/zhuowei/Documents/repos/URLShortener"

form = cgi.FieldStorage()

urlToAdd = form.getfirst("url")

if urlToAdd == None:
	print "Content-Type: text/plain"
	print
	print "Please enter a url."
	exit()

parsed_url = urlparse.urlparse(urlToAdd)

if parsed_url.scheme == '' or parsed_url.netloc == '':
	print "Content-Type: text/plain"
	print
	print "That wasn't a url, you silly goose!"
	exit()

conn = sqlite3.connect(PATH_TO_INSTALL + "/c/data/urls.db")

c = conn.cursor();

c.execute("insert into urls (url) values (?)", (parsed_url.geturl(),))
c.execute("select last_insert_rowid()")
result = c.fetchone()
conn.commit()
conn.close()

print "Content-Type: text/plain"
print
print "Done. your url is at:"
print os.environ["SERVER_NAME"] + "/c/g?" + str(result[0])


## addURLPage.htm
<!DOCTYPE html>
<html>
<head>
<title>Create a Shortened URL</title>
</head>
<body>
<h1>Create a new shortened url</h1>
<form action="/c/addURL" method="POST">
URL: <input name="url" type="url">
<input type="submit" value="Submit">
</form>
</body>
</html>

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

import sqlite3

conn = sqlite3.connect("c/data/urls.db")

c = conn.cursor();

c.execute("CREATE TABLE urls(id INTEGER PRIMARY KEY AUTOINCREMENT, url VARCHAR(1000))");

conn.commit()
conn.close()

## g
#!/usr/bin/python
import os
import sqlite3
#Change this
PATH_TO_INSTALL = "/home/zhuowei/Documents/repos/URLShortener"

def print_fail():
	print "Status: 404 Not Found"
	print "Content-Type: text/plain"
	print
	print "This short url does not exist. Please try again in a different universe,"


query_string = os.environ["QUERY_STRING"].strip()
if not query_string.isdigit():
	print_fail()
	exit()

urlid = int(query_string)

# pull the url out of the database

conn = sqlite3.connect(PATH_TO_INSTALL + "/c/data/urls.db")

c = conn.cursor();

c.execute("select url from urls where id = ?", (urlid, ));
urldata = c.fetchone();

if urldata == None:
	print_fail()
	exit()

print "Content-Type: text/html"
print
print "<!DOCTYPE html>\n<html><head><title>Redirecting</title>"
print "<script type=\"text/javascript\">"
print "window.location = '" + urldata[0] + "';"
print "</script>"
print "<body>Redirecting to " + urldata[0] + "</body></html>"

## index.html
<!DOCTYPE html>
<html>
<head>
<title>URLShortener</title>
</head>
<body>
<h1>The simple urlshortener</h1>
<p><a href="addURLPage.htm">Create a short url</a></p>
</body>
</html>

## run.py
import CGIHTTPServer
import SocketServer

PORT = 8080

Handler = CGIHTTPServer.CGIHTTPRequestHandler
Handler.cgi_directories = ["c", "/c", "c/", "/c/"]
print Handler.cgi_directories
httpd = SocketServer.TCPServer(("", PORT), Handler)

print "serving at port", PORT
httpd.server_name = "localhost"
httpd.server_port = PORT

httpd.serve_forever()
	#!/usr/bin/python

	import cgi
	import sqlite3
	import urlparse
	import os

	#Change this
	PATH_TO_INSTALL = "/home/zhuowei/Documents/repos/URLShortener"

	form = cgi.FieldStorage()

	urlToAdd = form.getfirst("url")

	if urlToAdd == None:
	print "Content-Type: text/plain"
	print
	print "Please enter a url."
	exit()

	parsed_url = urlparse.urlparse(urlToAdd)

	if parsed_url.scheme == '' or parsed_url.netloc == '':
	print "Content-Type: text/plain"
	print
	print "That wasn't a url, you silly goose!"
	exit()

	conn = sqlite3.connect(PATH_TO_INSTALL + "/c/data/urls.db")

	c = conn.cursor();

	c.execute("insert into urls (url) values (?)", (parsed_url.geturl(),))
	c.execute("select last_insert_rowid()")
	result = c.fetchone()
	conn.commit()
	conn.close()

	print "Content-Type: text/plain"
	print
	print "Done. your url is at:"
	print os.environ["SERVER_NAME"] + "/c/g?" + str(result[0])
	<!DOCTYPE html>
	<html>
	<head>
	<title>Create a Shortened URL</title>
	</head>
	<body>
	<h1>Create a new shortened url</h1>
	<form action="/c/addURL" method="POST">
	URL: <input name="url" type="url">
	<input type="submit" value="Submit">
	</form>
	</body>
	</html>
	#!/usr/bin/python

	import sqlite3

	conn = sqlite3.connect("c/data/urls.db")

	c = conn.cursor();

	c.execute("CREATE TABLE urls(id INTEGER PRIMARY KEY AUTOINCREMENT, url VARCHAR(1000))");

	conn.commit()
	conn.close()
	import CGIHTTPServer
	import SocketServer

	PORT = 8080

	Handler = CGIHTTPServer.CGIHTTPRequestHandler
	Handler.cgi_directories = ["c", "/c", "c/", "/c/"]
	print Handler.cgi_directories
	httpd = SocketServer.TCPServer(("", PORT), Handler)

	print "serving at port", PORT
	httpd.server_name = "localhost"
	httpd.server_port = PORT

	httpd.serve_forever()