def put(req, address, msg):
is_valid_uri = req[0].split(' ')
cur_time = datetime.datetime.now()
cur_day = get_date.getday(str(cur_time.day) + " " + str(cur_time.month) + " " + str(cur_time.year))
cur_month = get_date.getMonth(str(cur_time.month))
cur_day = str(cur_day)
#validate the header
host, type, proxy_auth, range, encoding, if_mod_since, if_unmod_since = headers.check_headers(req)
if host == 0:
data = "HTTP/1.1 400 Bad Request\r\n"
status_code = 400
data += "Date: " + cur_day[0:3] + ", " + str(cur_time.day) + " " + cur_month + " " + str(cur_time.year) + " " + str(cur_time.hour) + ":" + str(cur_time.minute) + ":" + str(cur_time.second) + " " + str(LOCAL_TIMEZONE) + "\r\n"
data += "Server: Aayush/0.1\r\n"
data += "Connection: Closed\r\n"
data += '\r\n'
log.make_entry(address, req[0], cur_time, cur_month, status_code, 0, '', 'error', 'Bad request')
return data
if is_valid_uri[1][0] != '/':
content = "Bad Request\r\n"
data = "HTTP/1.1 400 Bad Request\r\n"
status_code = 400
data += "Date: " + cur_day[0:3] + ", " + str(cur_time.day) + " " + cur_month + " " + str(cur_time.year) + " " + str(cur_time.hour) + ":" + str(cur_time.minute) + ":" + str(cur_time.second) + " " + str(LOCAL_TIMEZONE) + "\r\n"
data += "Server: Aayush/0.1\r\n"
data += "Connection: Closed\r\n"
data += "\r\n"
data += content + "\r\n"
log.make_entry(address, req[0], cur_time, cur_month, status_code, 0)
return data
#find the type of document in the request
for line in req:
header = line.split(':')
if header[0] == 'Content-Type':
doc_type = header[1]
break
#check if the request contains cookie header
cookie_id = cookie.generate_cookie(req)
if cookie_id == False:
set_cookie_header = 0
else:
set_cookie_header = 1
#get all the files and folders in the root
files = os.listdir(document_root)
uri = is_valid_uri[1]
for f in website_files:
if f == uri:
content = "You are not authorized to access the file\r\n"
data = "HTTP/1.1 405 Method Not Allowed\r\n"
status_code = 405
data += "Date: " + cur_day[0:3] + ", " + str(cur_time.day) + " " + cur_month + " " + str(cur_time.year) + " " + str(cur_time.hour) + ":" + str(cur_time.minute) + ":" + str(cur_time.second) + " " + str(LOCAL_TIMEZONE) + "\r\n"
data += "Content-Type: text/plain\r\n"
data += "Content-Length: " + str(len(content)) + "\r\n"
if set_cookie_header == 1:
data += "Set-Cookie: " + str(cookie_id) + '\r\n'
data += "Server: Aayush/0.1\r\n"
data += "Connection: Closed\r\n"
data += "\r\n"
data += content + "\r\n"
log.make_entry(address, req[0], cur_time, cur_month, status_code, len(content))
return data
headers.Dict[uri] = cur_day[0:3] + ", " + str(cur_time.day) + " " + cur_month + " " + str(cur_time.year) + " " + str(cur_time.hour) + ":" + str(cur_time.minute) + ":" + str(cur_time.second) + " " + str(LOCAL_TIMEZONE)
uri = uri.split('/')
uri_page = uri[len(uri) - 1]
uri_page += ".html"
#check if the requested URL exists or not(files)
for file in files:
if uri_page != str(file):
found_file = 0
found = 0
else:
found_file = 1
found = 1
break
if found_file == 0:
uri_page = uri_page.replace('.html', '')
#check for text files
for file in files:
if uri_page != str(file):
found_file = 0
found = 0
else:
found_file = 1
found = 1
break
image_files = os.listdir(images_folder)
#check for the images
if found_file == 0:
for image in image_files:
if uri_page == str(image):
found = 1
uri_page = "images/" + uri_page
break
else:
found = 0
if found_file == 1:
if doc_type.find('html') >= 0 or doc_type.find('plain') >= 0:
i = 0
res_file = open(str(document_root) + '/' + uri_page, 'r+')
file_stats = os.stat(str(document_root) + '/' + uri_page)
res_file.seek(0)
res_file.truncate()
res_file.writelines(msg)
data = "HTTP/1.1 200 OK\r\n"
status_code = 200
data += "Date: " + cur_day[0:3] + ", " + str(cur_time.day) + " " + cur_month + " " + str(cur_time.year) + " " + str(cur_time.hour) + ":" + str(cur_time.minute) + ":" + str(cur_time.second) + " " + str(LOCAL_TIMEZONE) + "\r\n"
if set_cookie_header == 1:
data += "Set-Cookie: " + str(cookie_id) + '\r\n'
data += "Server: Aayush/0.1\r\n"
data += "Connection: Closed\r\n"
data += "\r\n"
data += res_file.read() + "\r\n"
log.make_entry(address, req[0], cur_time, cur_month, status_code, file_stats.st_size)
res_file.close()
return data
if found == 1:
if doc_type.find('png') >= 0 or doc_type.find('jpeg') >= 0:
res_file = open(str(document_root) + '/' + uri_page, 'rb+')
file_stats = os.stat(str(document_root) + '/' + uri_page)
res_file.seek(0)
res_file.truncate()
res_file.write(msg)
res_file.close()
data = "HTTP/1.1 200 OK\r\n"
status_code = 200
data += "Date: " + cur_day[0:3] + ", " + str(cur_time.day) + " " + cur_month + " " + str(cur_time.year) + " " + str(cur_time.hour) + ":" + str(cur_time.minute) + ":" + str(cur_time.second) + " " + str(LOCAL_TIMEZONE) + "\r\n"
if set_cookie_header == 1:
data += "Set-Cookie: " + str(cookie_id) + '\r\n'
data += "Server: Aayush/0.1\r\n"
data += "Connection: Closed\r\n"
data += "\r\n"
res_file = open(str(document_root) + '/' + uri_page, 'rb')
bin_data = res_file.read()
log.make_entry(address, req[0], cur_time, cur_month, status_code, file_stats.st_size)
res_file.close()
return (data, bin_data)
#creating a new resource
data = "HTTP/1.1 201 Created\r\n"
status_code = 201
data += "Date: " + cur_day[0:3] + ", " + str(cur_time.day) + " " + cur_month + " " + str(cur_time.year) + " " + str(cur_time.hour) + ":" + str(cur_time.minute) + ":" + str(cur_time.second) + " " + str(LOCAL_TIMEZONE) + "\r\n"
if set_cookie_header == 1:
data += "Set-Cookie: " + str(cookie_id) + '\r\n'
data += "Server: Aayush/0.1\r\n"
data += "Connection: Closed\r\n"
data += "\r\n"
if doc_type.find('html') >= 0 or doc_type.find('plain') >= 0:
res_file = open(str(document_root) + '/' + is_valid_uri[1], 'a')
file_stats = os.stat(str(document_root) + '/' + is_valid_uri[1])
res_file.writelines(msg)
res_file.close()
res_file = open(str(document_root) + '/' + is_valid_uri[1], 'r')
data += res_file.read()
data += '\r\n'
return data
elif doc_type.find('png') >= 0 or doc_type.find('jpeg') >= 0:
res_file = open(str(document_root) + '/' + is_valid_uri[1], 'w+b')
file_stats = os.stat(str(document_root) + '/' + is_valid_uri[1])
res_file.write(msg)
res_file.close()
res_file = open(str(document_root) + '/' + is_valid_uri[1], 'rb')
bin_data = res_file.read()
log.make_entry(address, req[0], cur_time, cur_month, status_code, file_stats.st_size)
res_file.close()
return (data, bin_data)
def post(req, address, msg):
#get all the files and folders in the root
files = os.listdir(document_root)
request = req[0].split(' ')
uri = request[1]
cur_time = datetime.datetime.now()
cur_day = get_date.getday(
str(cur_time.day) + " " + str(cur_time.month) + " " +
str(cur_time.year))
cur_month = get_date.getMonth(str(cur_time.month))
cur_day = str(cur_day)
#validate the header
host, type, proxy_auth, range, encoding, if_mod_since, if_unmod_since = headers.check_headers(
req)
if host == 0:
data = "HTTP/1.1 400 Bad Request\r\n"
status_code = 400
data += "Date: " + cur_day[0:3] + ", " + str(
cur_time.day) + " " + cur_month + " " + str(
cur_time.year) + " " + str(cur_time.hour) + ":" + str(
cur_time.minute) + ":" + str(
cur_time.second) + " " + str(LOCAL_TIMEZONE) + "\r\n"
data += "Server: Aayush/0.1\r\n"
data += "Connection: Closed\r\n"
data += '\r\n'
log.make_entry(address, req[0], cur_time, cur_month, status_code, 0,
'', 'error', 'Bad request')
return data
#check if the request contains cookie header
cookie_id = cookie.generate_cookie(req)
if cookie_id == False:
set_cookie_header = 0
else:
set_cookie_header = 1
if uri == '/':
data = "HTTP/1.1 200 OK\r\n"
status_code = 200
data += "Date: " + cur_day[0:3] + ", " + str(
cur_time.day) + " " + cur_month + " " + str(
cur_time.year) + " " + str(cur_time.hour) + ":" + str(
cur_time.minute) + ":" + str(
cur_time.second) + " " + str(LOCAL_TIMEZONE) + "\r\n"
if set_cookie_header == 1:
data += "Set-Cookie: " + str(cookie_id) + '\r\n'
data += "Server: Aayush/0.1\r\n"
data += "Connection: Closed\r\n"
data += "\r\n"
log.make_entry(address, req[0], cur_time, cur_month, status_code,
len(msg), msg)
return data
uri = uri.split('/')
uri_page = uri[len(uri) - 1]
uri_page += ".html"
#check if the requested URL exists or not(files)
for file in files:
if uri_page != str(file):
found_file = 0
found = 0
else:
found_file = 1
found = 1
break
if found_file == 0:
uri_page = uri_page.replace('.html', '')
#check for text files
for file in files:
if uri_page != str(file):
found_file = 0
found = 0
else:
found_file = 1
found = 1
break
image_files = os.listdir(images_folder)
#check for the images
if found_file == 0:
for image in image_files:
if uri_page == str(image):
found = 1
uri_page = "images/" + uri_page
break
else:
found = 0
if found == 0:
data = "HTTP/1.1 404 Not Found\r\n"
status_code = 404
data += "Date: " + cur_day[0:3] + ", " + str(
cur_time.day) + " " + cur_month + " " + str(
cur_time.year) + " " + str(cur_time.hour) + ":" + str(
cur_time.minute) + ":" + str(
cur_time.second) + " " + str(LOCAL_TIMEZONE) + "\r\n"
if set_cookie_header == 1:
data += "set-Cookie: " + str(cookie_id) + '\r\n'
data += "Server: Aayush/0.1\r\n"
data += "Connection: Closed\r\n"
data += "\r\n"
log.make_entry(address, req[0], cur_time, cur_month, status_code,
len(msg))
return data
else:
data = "HTTP/1.1 200 OK\r\n"
status_code = 200
data += "Date: " + cur_day[0:3] + ", " + str(
cur_time.day) + " " + cur_month + " " + str(
cur_time.year) + " " + str(cur_time.hour) + ":" + str(
cur_time.minute) + ":" + str(
cur_time.second) + " " + str(LOCAL_TIMEZONE) + "\r\n"
if set_cookie_header == 1:
data += "Set-Cookie: " + str(cookie_id) + '\r\n'
data += "Server: Aayush/0.1\r\n"
data += "Connection: Closed\r\n"
data += "\r\n"
log.make_entry(address, req[0], cur_time, cur_month, status_code,
len(msg), msg)
return data
def delete(req, address):
#get all the files and folders in the root
files = os.listdir(document_root)
request = req[0].split(' ')
uri = request[1]
cur_time = datetime.datetime.now()
cur_day = get_date.getday(str(cur_time.day) + " " + str(cur_time.month) + " " + str(cur_time.year))
cur_month = get_date.getMonth(str(cur_time.month))
cur_day = str(cur_day)
#validate the header
host, type, proxy_auth, range, encoding, if_mod_since, if_unmod_since = headers.check_headers(req)
if host == 0:
data = "HTTP/1.1 400 Bad Request\r\n"
status_code = 400
data += "Date: " + cur_day[0:3] + ", " + str(cur_time.day) + " " + cur_month + " " + str(cur_time.year) + " " + str(cur_time.hour) + ":" + str(cur_time.minute) + ":" + str(cur_time.second) + " " + str(LOCAL_TIMEZONE) + "\r\n"
data += "Server: Aayush/0.1\r\n"
data += "Connection: Closed\r\n"
data += '\r\n'
log.make_entry(address, req[0], cur_time, cur_month, status_code, 0, '', 'error', 'Bad request')
return data
#check if the request contains cookie header
cookie_id = cookie.generate_cookie(req)
if cookie_id == False:
set_cookie_header = 0
else:
set_cookie_header = 1
for f in website_files:
if f == uri:
content = "You are not authorized to access the file\r\n"
data = "HTTP/1.1 405 Method Not Allowed\r\n"
status_code = 405
data += "Date: " + cur_day[0:3] + ", " + str(cur_time.day) + " " + cur_month + " " + str(cur_time.year) + " " + str(cur_time.hour) + ":" + str(cur_time.minute) + ":" + str(cur_time.second) + " " + str(LOCAL_TIMEZONE) + "\r\n"
data += "Content-Type: text/plain\r\n"
data += "Content-Length: " + str(len(content)) + "\r\n"
if set_cookie_header == 1:
data += "Set-Cookie: " + str(cookie_id) + '\r\n'
data += "Server: Aayush/0.1\r\n"
data += "Connection: Closed\r\n"
data += "\r\n"
data += content + "\r\n"
log.make_entry(address, req[0], cur_time, cur_month, status_code, len(content))
return data
uri = uri.split('/')
uri_page = uri[len(uri) - 1]
uri_page += ".html"
#check if the requested URL exists or not(files)
for file in files:
if uri_page != str(file):
found_file = 0
found = 0
else:
found_file = 1
found = 1
break
if found_file == 0:
uri_page = uri_page.replace('.html', '')
#check for text files
for file in files:
if uri_page != str(file):
found_file = 0
found = 0
else:
found_file = 1
found = 1
break
image_files = os.listdir(images_folder)
#check for the images
if found_file == 0:
for image in image_files:
if uri_page == str(image):
found = 1
uri_page = "images/" + uri_page
break
else:
found = 0
#if the requested document is not found
if found == 0:
res_file = open(str(document_root) + '/404.html', 'r')
file_stats = os.stat(str(document_root) + '/404.html')
data = "HTTP/1.1 404 Not Found\r\n"
status_code = 404
data += "Date: " + cur_day[0:3] + ", " + str(cur_time.day) + " " + cur_month + " " + str(cur_time.year) + " " + str(cur_time.hour) + ":" + str(cur_time.minute) + ":" + str(cur_time.second) + " " + str(LOCAL_TIMEZONE) + "\r\n"
data += "Content-Type: text/html\r\n"
data += "Content-Length: " + str(file_stats.st_size) + "\r\n"
if set_cookie_header == 1:
data += "Set-Cookie: " + str(cookie_id) + '\r\n'
data += "Server: Aayush/0.1\r\n"
data += "Connection: Closed\r\n"
data += "\r\n"
data += res_file.read()
data += '\r\n\r\n'
log.make_entry(address, req[0], cur_time, cur_month, status_code, file_stats.st_size)
res_file.close()
return data
else:
data = "HTTP/1.1 200 OK\r\n"
status_code = 200
data += "Date: " + cur_day[0:3] + ", " + str(cur_time.day) + " " + cur_month + " " + str(cur_time.year) + " " + str(cur_time.hour) + ":" + str(cur_time.minute) + ":" + str(cur_time.second) + " " + str(LOCAL_TIMEZONE) + "\r\n"
if found_file == 1:
res_file = open(str(document_root) + '/' + uri_page, 'r')
file_stats = os.stat(str(document_root) + '/' + uri_page)
if uri_page.find('.txt') >= 0:
data += "Content-Type: text/plain\r\n"
else:
data += "Content-Type: text/html\r\n"
data += "Content-Length: " + str(file_stats.st_size) + "\r\n"
if set_cookie_header == 1:
data += "Set-Cookie: " + str(cookie_id) + '\r\n'
data += "Server: Aayush/0.1\r\n"
data += "Connection: Closed\r\n"
data += "\r\n"
data += res_file.read() + "\r\n"
log.make_entry(address, req[0], cur_time, cur_month, status_code, file_stats.st_size)
res_file.close()
os.remove(str(document_root) + '/' + uri_page)
return data
else:
res_file = open(str(document_root) + '/' + uri_page, 'rb')
file_stats = os.stat(str(document_root) + '/' + uri_page)
bin_data = res_file.read()
if uri_page.find('.jpg'):
data += "Content-Type: image/jpg\r\n"
elif uri_page.find('.png'):
data += "Content-Type: image/png\r\n"
data += "Content-Length: " + str(file_stats.st_size) + "\r\n"
if set_cookie_header == 1:
data += "Set-Cookie: " + str(cookie_id) + '\r\n'
data += "Server: Aayush/0.1\r\n"
data += "Connection: Closed\r\n"
data += "\r\n"
image_body = bin_data
log.make_entry(address, req[0], cur_time, cur_month, status_code, file_stats.st_size)
res_file.close()
os.remove(str(document_root) + '/' + uri_page)
return (data, image_body)
def get(req, address):
#get all the files and folders in the root
files = os.listdir(document_root)
request = req[0].split(' ')
uri = request[1]
cur_time = datetime.datetime.now()
cur_day = get_date.getday(
str(cur_time.day) + " " + str(cur_time.month) + " " +
str(cur_time.year))
cur_month = get_date.getMonth(str(cur_time.month))
cur_day = str(cur_day)
#validate the header
host, type, proxy_auth, range, encoding, if_mod_since, if_unmod_since = headers.check_headers(
req)
if host == 0:
data = "HTTP/1.1 400 Bad Request\r\n"
status_code = 400
data += "Date: " + cur_day[0:3] + ", " + str(
cur_time.day) + " " + cur_month + " " + str(
cur_time.year) + " " + str(cur_time.hour) + ":" + str(
cur_time.minute) + ":" + str(
cur_time.second) + " " + str(LOCAL_TIMEZONE) + "\r\n"
data += "Server: Aayush/0.1\r\n"
data += "Connection: Closed\r\n"
data += '\r\n'
log.make_entry(address, req[0], cur_time, cur_month, status_code, 0,
'', 'error', 'Bad request')
return data
if if_mod_since == 0:
data = "HTTP/1.1 304 Not Modified\r\n"
status_code = 304
data += "Date: " + cur_day[0:3] + ", " + str(
cur_time.day) + " " + cur_month + " " + str(
cur_time.year) + " " + str(cur_time.hour) + ":" + str(
cur_time.minute) + ":" + str(
cur_time.second) + " " + str(LOCAL_TIMEZONE) + "\r\n"
data += "Server: Aayush/0.1\r\n"
data += "Connection: Closed\r\n"
data += '\r\n'
log.make_entry(address, req[0], cur_time, cur_month, status_code, 0)
return data
if if_unmod_since == 0:
data = "HTTP/1.1 412 Precondition Failed\r\n"
status_code = 412
data += "Date: " + cur_day[0:3] + ", " + str(
cur_time.day) + " " + cur_month + " " + str(
cur_time.year) + " " + str(cur_time.hour) + ":" + str(
cur_time.minute) + ":" + str(
cur_time.second) + " " + str(LOCAL_TIMEZONE) + "\r\n"
data += "Server: Aayush/0.1\r\n"
data += "Connection: Closed\r\n"
data += '\r\n'
log.make_entry(address, req[0], cur_time, cur_month, status_code, 0)
return data
#check if the request contains cookie header
cookie_id = cookie.generate_cookie(req)
if cookie_id == False:
set_cookie_header = 0
else:
set_cookie_header = 1
for f in website_files:
if f == uri:
content = "You are not authorized to access the file\r\n"
data = "HTTP/1.1 405 Method Not Allowed\r\n"
status_code = 405
data += "Date: " + cur_day[0:3] + ", " + str(
cur_time.day
) + " " + cur_month + " " + str(cur_time.year) + " " + str(
cur_time.hour) + ":" + str(cur_time.minute) + ":" + str(
cur_time.second) + " " + str(LOCAL_TIMEZONE) + "\r\n"
data += "Content-Type: text/plain\r\n"
data += "Content-Length: " + str(len(content)) + "\r\n"
if set_cookie_header == 1:
data += "Set-Cookie: " + str(cookie_id) + '\r\n'
data += "Server: Aayush/0.1\r\n"
data += "Connection: Closed\r\n"
data += "\r\n"
data += content + "\r\n"
log.make_entry(address, req[0], cur_time, cur_month, status_code,
len(content), '', 'warn',
'Client not allowed to access the file')
return data
#if requested URL is root document
if uri == '/':
accept = 0
for element in html_list:
if element == type:
accept = 1
break
if accept == 0:
data = not_acceptable(address, req[0], cur_day, cur_time,
cur_month)
return data
res_file = open(str(document_root) + '/index.html', 'r')
file_stats = os.stat(str(document_root) + '/index.html')
data = "HTTP/1.1 200 OK\r\n"
status_code = 200
data += "Date: " + cur_day[0:3] + ", " + str(
cur_time.day) + " " + cur_month + " " + str(
cur_time.year) + " " + str(cur_time.hour) + ":" + str(
cur_time.minute) + ":" + str(
cur_time.second) + " " + str(LOCAL_TIMEZONE) + "\r\n"
data += "Content-Type: text/html\r\n"
data += "Content-Length: " + str(file_stats.st_size) + "\r\n"
if set_cookie_header == 1:
data += "Set-Cookie: " + str(cookie_id) + '\r\n'
data += "Server: Aayush/0.1\r\n"
data += "Connection: Closed\r\n"
if range == 'none':
data += '\r\n' + res_file.read()
else:
data += 'Content-Range: ' + range + '/' + str(
file_stats.st_size) + '\r\n\r\n'
partial_data = res_file.read()
byte_pos = range.split('-')
if byte_pos[0] == '':
data += partial_data[file_stats.st_size - int(byte_pos[1]):]
elif byte_pos[1] == '':
data += partial_data[int(byte_pos[0]):]
elif int(byte_pos[0]) > int(byte_pos[1]):
data = unsatisfiable_range(address, req[0], cur_day, cur_time,
cur_month)
return data
else:
data += partial_data[int(byte_pos[0]):int(byte_pos[1])]
data = data.replace('200', '206')
data = data.replace('OK', 'Partial Content')
if (encoding == 'gzip, deflate'):
log.make_entry(address, req[0], cur_time, cur_month, status_code,
file_stats.st_size)
res_file.close()
elif (encoding != 'identity'):
if (encoding == 'gzip'):
entity = data.split('\r\n\r\n')
encoded_entity = gzip.compress(entity[1].encode())
entity[0] = entity[0].replace(str(file_stats.st_size),
str(len(encoded_entity)))
entity[0] += '\r\nContent-Coding: gzip'
data = entity[0].encode() + '\r\n\r\n'.encode(
) + encoded_entity
elif (encoding == 'zlib'):
entity = data.split('\r\n\r\n')
encoded_entity = zlib.compress(entity[1].encode())
entity[0] = entity[0].replace(str(file_stats.st_size),
str(len(encoded_entity)))
entity[0] += '\r\nContent-Coding: zlib'
data = entity[0].encode() + '\r\n\r\n'.encode(
) + encoded_entity
else:
data = not_acceptable(address, req[0], cur_day, cur_time,
cur_month)
log.make_entry(address, req[0], cur_time, cur_month, status_code,
file_stats.st_size)
res_file.close()
return data
if (uri == '/example'):
data = "HTTP/1.1 302 Found\r\n"
status_code = 302
data += "Date: " + cur_day[0:3] + ", " + str(
cur_time.day) + " " + cur_month + " " + str(
cur_time.year) + " " + str(cur_time.hour) + ":" + str(
cur_time.minute) + ":" + str(
cur_time.second) + " " + str(LOCAL_TIMEZONE) + "\r\n"
data += "Server: Aayush/0.1\r\n"
data += "Connection: Closed\r\n"
data += "Location: " + temp_redirect + '\r\n'
data += '\r\n'
data += temp_redirect + '\r\n'
log.make_entry(address, req[0], cur_time, cur_month, status_code,
len('http://localhost:2000/302\r\n'))
return data
if (uri == '/example_2'):
data = "HTTP/1.1 301 Moved Permanently\r\n"
status_code = 301
data += "Date: " + cur_day[0:3] + ", " + str(
cur_time.day) + " " + cur_month + " " + str(
cur_time.year) + " " + str(cur_time.hour) + ":" + str(
cur_time.minute) + ":" + str(
cur_time.second) + " " + str(LOCAL_TIMEZONE) + "\r\n"
data += "Server: Aayush/0.1\r\n"
data += "Connection: Closed\r\n"
data += "Location: " + permanent_redirect + '\r\n'
data += '\r\n'
data += permanent_redirect + '\r\n'
log.make_entry(address, req[0], cur_time, cur_month, status_code,
len('http://localhost:2000/301\r\n'))
return data
uri = uri.split('/')
uri_page = uri[len(uri) - 1]
uri_page += ".html"
#check if the requested URL exists or not(files)
for file in files:
if uri_page != str(file):
found_file = 0
found = 0
else:
found_file = 1
found = 1
break
if found_file == 0:
uri_page = uri_page.replace('.html', '')
#check for text files
for file in files:
if uri_page != str(file):
found_file = 0
found = 0
else:
found_file = 1
found = 1
break
image_files = os.listdir(images_folder)
#check for the images
if found_file == 0:
for image in image_files:
if uri_page == str(image):
found = 1
uri_page = "images/" + uri_page
break
else:
found = 0
#if the requested document is not found
if found == 0:
res_file = open(str(document_root) + '/404.html', 'r')
file_stats = os.stat(str(document_root) + '/404.html')
data = "HTTP/1.1 404 Not Found\r\n"
status_code = 404
data += "Date: " + cur_day[0:3] + ", " + str(
cur_time.day) + " " + cur_month + " " + str(
cur_time.year) + " " + str(cur_time.hour) + ":" + str(
cur_time.minute) + ":" + str(
cur_time.second) + " " + str(LOCAL_TIMEZONE) + "\r\n"
data += "Content-Type: text/html\r\n"
data += "Content-Length: " + str(file_stats.st_size) + "\r\n"
if set_cookie_header == 1:
data += "Set-Cookie: " + str(cookie_id) + '\r\n'
data += "Server: Aayush/0.1\r\n"
data += "Connection: Closed\r\n"
data += "\r\n"
data += res_file.read()
data += '\r\n\r\n'
log.make_entry(address, req[0], cur_time, cur_month, status_code,
file_stats.st_size, '', 'error', 'File was not found')
res_file.close()
return data
else:
data = "HTTP/1.1 200 OK\r\n"
status_code = 200
data += "Date: " + cur_day[0:3] + ", " + str(
cur_time.day) + " " + cur_month + " " + str(
cur_time.year) + " " + str(cur_time.hour) + ":" + str(
cur_time.minute) + ":" + str(
cur_time.second) + " " + str(LOCAL_TIMEZONE) + "\r\n"
if found_file == 1:
if uri_page.find('.txt') >= 0:
accept = 0
for element in plain_list:
if element == type.strip():
accept = 1
break
if accept == 0:
data = not_acceptable(address, req[0], cur_day, cur_time,
cur_month)
return data
data += "Content-Type: text/plain\r\n"
else:
accept = 0
for element in html_list:
if element == type.strip():
accept = 1
break
if accept == 0:
data = not_acceptable(address, req[0], cur_day, cur_time,
cur_month)
return data
if uri_page.find('proxy.html') >= 0:
if (proxy_auth == 0):
data = proxy_auth_req(address, req[0], cur_day,
cur_time, cur_month)
return data
data += "Content-Type: text/html\r\n"
res_file = open(str(document_root) + '/' + uri_page, 'r')
file_stats = os.stat(str(document_root) + '/' + uri_page)
data += "Content-Length: " + str(file_stats.st_size) + "\r\n"
if set_cookie_header == 1:
data += "Set-Cookie: " + str(cookie_id) + '\r\n'
data += "Server: Aayush/0.1\r\n"
data += "Connection: Closed\r\n"
if range == 'none':
data += '\r\n' + res_file.read()
else:
data += 'Content-Range: ' + range + '/' + str(
file_stats.st_size) + '\r\n'
data += "\r\n"
partial_data = res_file.read()
byte_pos = range.split('-')
if byte_pos[0] == '':
data += partial_data[file_stats.st_size -
int(byte_pos[1]):]
elif byte_pos[1] == '':
data += partial_data[int(byte_pos[0]):]
elif int(byte_pos[0]) > int(byte_pos[1]):
data = unsatisfiable_range(address, req[0], cur_day,
cur_time, cur_month)
return data
else:
data += partial_data[int(byte_pos[0]):int(byte_pos[1])]
data = data.replace('200', '206')
data = data.replace('OK', 'Partial Content')
data += "\r\n"
if (encoding == 'gzip, deflate'):
log.make_entry(address, req[0], cur_time, cur_month,
status_code, file_stats.st_size)
res_file.close()
elif (encoding != 'identity'):
if (encoding == 'gzip'):
entity = data.split('\r\n\r\n')
encoded_entity = gzip.compress(entity[1].encode())
entity[0] = entity[0].replace(str(file_stats.st_size),
str(len(encoded_entity)))
entity[0] += '\r\nContent-Coding: gzip'
data = entity[0].encode() + '\r\n\r\n'.encode(
) + encoded_entity
elif (encoding == 'zlib'):
entity = data.split('\r\n\r\n')
encoded_entity = zlib.compress(entity[1].encode())
entity[0] = entity[0].replace(str(file_stats.st_size),
str(len(encoded_entity)))
entity[0] += '\r\nContent-Coding: zlib'
data = entity[0].encode() + '\r\n\r\n'.encode(
) + encoded_entity
else:
data = not_acceptable(address, req[0], cur_day, cur_time,
cur_month)
return data
log.make_entry(address, req[0], cur_time, cur_month,
status_code, file_stats.st_size)
res_file.close()
else:
log.make_entry(address, req[0], cur_time, cur_month,
status_code, file_stats.st_size)
res_file.close()
return data
else:
if uri_page.find('.jpg') >= 0:
accept = 0
for element in jpg_list:
if element == type.strip():
accept = 1
break
if accept == 0:
data = not_acceptable(address, req[0], cur_day, cur_time,
cur_month)
return data
data += "Content-Type: image/jpeg\r\n"
elif uri_page.find('.png') >= 0:
accept = 0
for element in png_list:
if element == type.strip():
accept = 1
break
#print(type.strip())
if accept == 0:
data = not_acceptable(address, req[0], cur_day, cur_time,
cur_month)
return data
data += "Content-Type: image/png\r\n"
res_file = open(str(document_root) + '/' + uri_page, 'rb')
file_stats = os.stat(str(document_root) + '/' + uri_page)
data += "Content-Length: " + str(file_stats.st_size) + "\r\n"
if set_cookie_header == 1:
data += "Set-Cookie: " + str(cookie_id) + '\r\n'
data += "Server: Aayush/0.1\r\n"
data += "Connection: Closed\r\n"
if range == 'none':
bin_data = res_file.read()
else:
data += 'Content-Range: ' + range + '/' + str(
file_stats.st_size) + '\r\n'
partial_data = res_file.read()
byte_pos = range.split('-')
if byte_pos[0] == '':
bin_data = partial_data[file_stats.st_size -
int(byte_pos[1]):]
elif byte_pos[1] == '':
bin_data = partial_data[int(byte_pos[0]):]
elif int(byte_pos[0]) > int(byte_pos[1]):
data = unsatisfiable_range(address, req[0], cur_day,
cur_time, cur_month)
return data
else:
bin_data = partial_data[int(byte_pos[0]):int(byte_pos[1])]
data = data.replace('200', '206')
data = data.replace('OK', 'Partial Content')
image_body = bin_data
if (encoding == 'gzip, deflate'):
log.make_entry(address, req[0], cur_time, cur_month,
status_code, file_stats.st_size)
res_file.close()
elif (encoding != 'identity'):
if (encoding == 'gzip'):
data += 'Content-Coding: gzip\r\n'
image_body = gzip.compress(bin_data)
data = data.replace(str(file_stats.st_size),
str(len(image_body)))
elif (encoding == 'zlib'):
data += 'Content-Coding: zlib\r\n'
image_body = zlib.compress(bin_data)
data = data.replace(str(file_stats.st_size),
str(len(image_body)))
else:
data = not_acceptable(address, req[0], cur_day, cur_time,
cur_month)
return data
data += '\r\n'
log.make_entry(address, req[0], cur_time, cur_month, status_code,
file_stats.st_size)
res_file.close()
return (data, image_body)