From 436f26b4eb1b38089396374876908fdb06d3c015 Mon Sep 17 00:00:00 2001
From: Camil Staps
Date: Wed, 2 Mar 2016 21:37:50 +0100
Subject: Added framework project 1

---
 project1/proj1_s4498062/webhttp/__init__.py  |   9 +++
 project1/proj1_s4498062/webhttp/__init__.pyc | Bin 0 -> 499 bytes
 project1/proj1_s4498062/webhttp/composer.py  |  50 +++++++++++++++
 project1/proj1_s4498062/webhttp/message.py   |  90 +++++++++++++++++++++++++++
 project1/proj1_s4498062/webhttp/message.pyc  | Bin 0 -> 3726 bytes
 project1/proj1_s4498062/webhttp/parser.py    |  66 ++++++++++++++++++++
 project1/proj1_s4498062/webhttp/parser.pyc   | Bin 0 -> 2717 bytes
 project1/proj1_s4498062/webhttp/resource.py  |  86 +++++++++++++++++++++++++
 project1/proj1_s4498062/webhttp/server.py    |  59 ++++++++++++++++++
 project1/proj1_s4498062/webhttp/server.pyc   | Bin 0 -> 2794 bytes
 10 files changed, 360 insertions(+)
 create mode 100644 project1/proj1_s4498062/webhttp/__init__.py
 create mode 100644 project1/proj1_s4498062/webhttp/__init__.pyc
 create mode 100644 project1/proj1_s4498062/webhttp/composer.py
 create mode 100644 project1/proj1_s4498062/webhttp/message.py
 create mode 100644 project1/proj1_s4498062/webhttp/message.pyc
 create mode 100644 project1/proj1_s4498062/webhttp/parser.py
 create mode 100644 project1/proj1_s4498062/webhttp/parser.pyc
 create mode 100644 project1/proj1_s4498062/webhttp/resource.py
 create mode 100644 project1/proj1_s4498062/webhttp/server.py
 create mode 100644 project1/proj1_s4498062/webhttp/server.pyc

(limited to 'project1/proj1_s4498062/webhttp')

diff --git a/project1/proj1_s4498062/webhttp/__init__.py b/project1/proj1_s4498062/webhttp/__init__.py
new file mode 100644
index 0000000..d501a0e
--- /dev/null
+++ b/project1/proj1_s4498062/webhttp/__init__.py
@@ -0,0 +1,9 @@
+"""HTTP Package
+
+This package contains the following modules:
+    * message: Module for HTTP responses/requests
+    * composer: Module for composing responses to requests
+    * parser: Module for parsing HTTP responses/requests
+    * util: Module with utility functions
+    * server: Module which contains a HTTP server
+"""
diff --git a/project1/proj1_s4498062/webhttp/__init__.pyc b/project1/proj1_s4498062/webhttp/__init__.pyc
new file mode 100644
index 0000000..d86ce3e
Binary files /dev/null and b/project1/proj1_s4498062/webhttp/__init__.pyc differ
diff --git a/project1/proj1_s4498062/webhttp/composer.py b/project1/proj1_s4498062/webhttp/composer.py
new file mode 100644
index 0000000..dfac7a1
--- /dev/null
+++ b/project1/proj1_s4498062/webhttp/composer.py
@@ -0,0 +1,50 @@
+""" Composer for HTTP responses
+
+This module contains a composer, which can compose responses to
+HTTP requests from a client.
+"""
+
+import time
+
+import webhttp.message
+import webhttp.resource
+
+
+class ResponseComposer:
+    """Class that composes a HTTP response to a HTTP request"""
+
+    def __init__(self, timeout):
+        """Initialize the ResponseComposer
+        
+        Args:
+            timeout (int): connection timeout
+        """
+        self.timeout = timeout
+    
+    def compose_response(self, request):
+        """Compose a response to a request
+        
+        Args:
+            request (webhttp.Request): request from client
+
+        Returns:
+            webhttp.Response: response to request
+
+        """
+        response = webhttp.message.Response()
+
+        # Stub code
+        response.code = 200
+        response.set_header("Content-Length", 4)
+        response.set_header("Connection", "close")
+        response.body = "Test"
+
+        return response
+
+    def make_date_string(self):
+        """Make string of date and time
+        
+        Returns:
+            str: formatted string of date and time
+        """
+        return time.strftime("%a, %d %b %Y %H:%M:%S", time.localtime())
diff --git a/project1/proj1_s4498062/webhttp/message.py b/project1/proj1_s4498062/webhttp/message.py
new file mode 100644
index 0000000..fb47f88
--- /dev/null
+++ b/project1/proj1_s4498062/webhttp/message.py
@@ -0,0 +1,90 @@
+"""HTTP Messages
+
+This modules contains classes for representing HTTP responses and requests.
+"""
+
+reasondict = {
+    # Dictionary for code reasons
+    # Format: code : "Reason"
+    500 : "Internal Server Error"
+}
+
+
+class Message(object):
+    """Class that stores a HTTP Message"""
+
+    def __init__(self):
+        """Initialize the Message"""
+        self.version = "HTTP/1.1"
+        self.startline = ""
+        self.body = ""
+        self.headerdict = dict()
+        
+    def set_header(self, name, value):
+        """Add a header and its value
+        
+        Args:
+            name (str): name of header
+            value (str): value of header
+        """
+        self.headerdict[name] = value
+        
+    def get_header(self, name):
+        """Get the value of a header
+        
+        Args:
+            name (str): name of header
+
+        Returns:
+            str: value of header, empty if header does not exist
+        """
+        if name in self.headerdict:
+            return self.headerdict[name]
+        else:
+            return ""
+        
+    def __str__(self):
+        """Convert the Message to a string
+        
+        Returns:
+            str: representation the can be sent over socket
+        """
+        message = ""
+        return message
+
+
+class Request(Message):
+    """Class that stores a HTTP request"""
+
+    def __init__(self):
+        """Initialize the Request"""
+        super(Request, self).__init__()
+        self.method = ""
+        self.uri = ""
+        
+    def __str__(self):
+        """Convert the Request to a string
+
+        Returns:
+            str: representation the can be sent over socket
+        """
+        self.startline = ""
+        return super(Request, self).__str__()
+        
+
+class Response(Message):
+    """Class that stores a HTTP Response"""
+
+    def __init__(self):
+        """Initialize the Response"""
+        super(Response, self).__init__()
+        self.code = 500
+    
+    def __str__(self):
+        """Convert the Response to a string
+
+        Returns:
+            str: representation the can be sent over socket
+        """
+        self.startline = ""                                      
+        return super(Response, self).__str__()
diff --git a/project1/proj1_s4498062/webhttp/message.pyc b/project1/proj1_s4498062/webhttp/message.pyc
new file mode 100644
index 0000000..432142c
Binary files /dev/null and b/project1/proj1_s4498062/webhttp/message.pyc differ
diff --git a/project1/proj1_s4498062/webhttp/parser.py b/project1/proj1_s4498062/webhttp/parser.py
new file mode 100644
index 0000000..f3809c3
--- /dev/null
+++ b/project1/proj1_s4498062/webhttp/parser.py
@@ -0,0 +1,66 @@
+"""HTTP response and request parsers
+
+This module contains parses for HTTP response and HTTP requests.
+"""
+
+import webhttp.message
+
+
+class RequestParser:
+    """Class that parses a HTTP request"""
+
+    def __init__(self):
+        """Initialize the RequestParser"""
+        pass
+        
+    def parse_requests(self, buff):
+        """Parse requests in a buffer
+
+        Args:
+            buff (str): the buffer contents received from socket
+
+        Returns:
+            list of webhttp.Request
+        """
+        requests = split_requests(buff)
+        
+        http_requests = []
+        for request in requests:
+            http_request = webhttp.message.Request()
+            http_requests.append(http_request)
+        
+        return http_requests
+
+    def split_requests(self, buff):
+        """Split multiple requests
+        
+        Arguments:
+            buff (str): the buffer contents received from socket
+
+        Returns:
+            list of str
+        """
+        requests = buff.split('\r\n\r\n')
+        requests = filter(None, requests)
+        requests = [r + '\r\n\r\n' for r in requests]
+        requests = [r.lstrip() for r in requests]
+        return requests
+
+
+class ResponseParser:
+    """Class that parses a HTTP response"""
+    def __init__(self):
+        """Initialize the ResponseParser"""
+        pass
+
+    def parse_response(self, buff):
+        """Parse responses in buffer
+
+        Args:
+            buff (str): the buffer contents received from socket
+
+        Returns:
+            webhttp.Response
+        """
+        response = webhttp.message.Response()
+        return response
diff --git a/project1/proj1_s4498062/webhttp/parser.pyc b/project1/proj1_s4498062/webhttp/parser.pyc
new file mode 100644
index 0000000..c5d9ced
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diff --git a/project1/proj1_s4498062/webhttp/resource.py b/project1/proj1_s4498062/webhttp/resource.py
new file mode 100644
index 0000000..dc20067
--- /dev/null
+++ b/project1/proj1_s4498062/webhttp/resource.py
@@ -0,0 +1,86 @@
+"""Resources
+
+This module contains a handler class for resources.
+"""
+
+import os
+import mimetype
+import urlparse
+
+
+class FileExistError(Exception):
+    """Exception which is raised when file does not exist"""
+    pass
+
+
+class FileAccessError(Exception):
+    """Exception which is raised when file exists, but cannot be accessed"""
+    pass
+
+
+class Resource:
+    """Class for representing a Resource (file)"""
+
+    def __init__(self, uri):
+        """Initialize the resource"
+
+        Raises:
+            FileExistError: if resource does not exist
+            FileAccessError: if resource exists, but cannot be accessed
+
+        Args:
+            uri (str): Uniform Resource Identifier
+        """
+        self.uri = uri
+        out = urlparse.urlparse(uri)
+        self.path = os.path.join("content", out.path.lstrip("/"))
+        if os.path.isdir(self.path):
+            self.path = os.path.join(self.path, "index.html")
+        if not os.path.isfile(self.path):
+            raise FileExistError
+        if not os.access(self.path, os.R_OK):
+            raise FileAccessError
+
+    def generate_etag(self):
+        """Generate the ETag for the resource
+
+        Returns:
+            str: ETag for the resource
+        """
+        stat = os.stat(self.path)
+        etag = ""
+        return etag
+
+    def get_content(self):
+        """Get the contents of the resource
+        
+        Returns:
+            str: Contents of the resource
+        """
+        return open(self.path).read()
+
+    def get_content_type(self):
+        """Get the content type, i.e "text/html"
+
+        Returns:
+            str: type of content in the resource
+        """
+        mimetype = mimetypes.guess_type(self.path)
+        return mimetype[0]
+
+    def get_content_encoding(self):
+        """Get the content encoding, i.e "gzip"
+
+        Returns:
+            str: encoding used for the resource
+        """
+        mimetype = mimetypes.guess_type(self.path)
+        return mimetype[1]
+
+    def get_content_length(self):
+        """Get the length of the resource
+
+        Returns:
+            int: length of resource in bytes
+        """
+        return os.path.getsize(self.path)
diff --git a/project1/proj1_s4498062/webhttp/server.py b/project1/proj1_s4498062/webhttp/server.py
new file mode 100644
index 0000000..b540ac4
--- /dev/null
+++ b/project1/proj1_s4498062/webhttp/server.py
@@ -0,0 +1,59 @@
+"""HTTP Server
+
+This module contains a HTTP server
+"""
+
+import threading
+import socket
+
+
+class ConnectionHandler(threading.Thread):
+    """Connection Handler for HTTP Server"""
+
+    def __init__(self, conn_socket, addr, timeout):
+        """Initialize the HTTP Connection Handler
+        
+        Args:
+            conn_socket (socket): socket used for connection with client
+            addr (str): ip address of client
+            timeout (int): seconds until timeout
+        """
+        super(HTTPConnectionHandler, self).__init__()
+        self.daemon = True
+        self.conn_socket = conn_socket
+        self.addr = addr
+        self.timeout = timeout
+    
+    def handle_connection(self):
+        """Handle a new connection"""
+        pass
+        
+    def run(self):
+        """Run the thread of the connection handler"""
+        self.handle_connection()
+        
+
+class Server:
+    """HTTP Server"""
+
+    def __init__(self, hostname, server_port, timeout):
+        """Initialize the HTTP server
+        
+        Args:
+            hostname (str): hostname of the server
+            server_port (int): port that the server is listening on
+            timeout (int): seconds until timeout
+        """
+        self.hostname = hostname
+        self.server_port = server_port
+        self.timeout = timeout
+        self.done = False
+    
+    def run(self):
+        """Run the HTTP Server and start listening"""
+        while not self.done:
+            pass
+    
+    def shutdown(self):
+        """Safely shut down the HTTP server"""
+        self.done = True
diff --git a/project1/proj1_s4498062/webhttp/server.pyc b/project1/proj1_s4498062/webhttp/server.pyc
new file mode 100644
index 0000000..7981ff7
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