read only http finished

http.py

@@ -33,10 +33,10 @@ Fork = False
 # i suspect this one might be ai generated.
 # It's a subclass of dict with key access via the dot
 # operator. Similar to how ruby does things
-# I don't know why this isn't the default
-# i've coded this dozens of times but i couldn't use
-# client's code in a public project.
-# Thus cut 'n' paste.
+
+# Obviously some things still need standard dictionary access
+# i found this code looked at it, tested it, before using it
+#
 
 CRLF = "\r\n"
 LF = "\n"
@@ -78,13 +78,12 @@ class AccessDict(dict):
 # In a future part. I will go over how to make a more full featured
 # implementation. This is just making us ssl ready and laying the ground work
 class HttpRequest(AccessDict):
-    def __init__(
-        self, method="GET", path="/", headers={}, body="goodbye\r\n", *args, **kwargs
-    ):
+    def __init__(self, method="GET", path="/", headers={}, *args, **kwargs):
         super().__init__(*args, **kwargs)
         self["method"] = method
         self["headers"] = headers
-        self["body"] = StringIO(body)
+        if "body" in kwargs:
+            self["body"] = StringIO(kwargs["body"])
         self["path"] = path
         if "Host" not in self["headers"]:
             self["headers"]["Host"] = "localhost"
@@ -96,14 +95,14 @@ class HttpRequest(AccessDict):
         buf = StringIO()
         buf.write(f"{self.method} {self.path} HTTP/1.1")
         for k, v in self["headers"].items():
-            buf.write(f"{k}: {v}\r\n")
-        buf.write(CRLF + CRLF)
-        buf.write(self["body"].getvalue() + "\r\n")
-        return buf.getvalue() + "\r\n"
+            buf.write(f"{k}: {v}" + CRLF)
+        buf.write(CRLF)
+        buf.write(self["body"].getvalue() + CRLF)
+        return buf.getvalue() + CRLF
 
 
 class HttpResponse(AccessDict):
-    def __init__(self, status="404", headers={}, body="goodbye\r\n", *args, **kwargs):
+    def __init__(self, status="400", headers={}, body="goodbye\r\n", *args, **kwargs):
         super().__init__(*args, **kwargs)
         self["status"] = status
         self["headers"] = headers
@@ -125,15 +124,16 @@ class HttpResponse(AccessDict):
     def __str__(self):
         buf = StringIO()
         print(self.headers)
-        buf.write(f"HTTP/1.1 {self.status}\r\n")
+        buf.write(f"HTTP/1.1 {self.status}" + CRLF)
         length = len(self["body"].getvalue())
         for k, v in self["headers"].items():
             buf.write(f"{k}: {v}\r\n")
-        buf.write(f"Content-Length: {length}\r\n")
-        buf.write(CRLF + CRLF)  # Per RFC 9112
+        if "Content-Length" not in self["headers"]:
+            buf.write(f"Content-Length: {length}\r\n")
+        buf.write(CRLF)  # Per RFC 9112
 
-        buf.write(self["body"].getvalue() + "\r\n")
-        return buf.getvalue() + "\r\n"
+        buf.write(self["body"].getvalue() + CRLF)
+        return buf.getvalue() + CRLF
 
 
 RICKROLL_LYRICS = """
@@ -170,6 +170,10 @@ Never gonna make you cry, never gonna say goodbye
 Never gonna tell a lie and hurt you
 
 """
+head_response = HttpResponse()
+head_response.status = 200
+head_response.headers["Content-Length"] = 980
+head_response.write("")
 good_response = HttpResponse()
 good_response.status = 200
 good_response.headers["Last-Modified"] = "Mon, 27 July 1987 00:00 GMT"
@@ -209,7 +213,7 @@ def server_handler():
     return
 
 
-# I made two simple changes to make it use our new http objects
+# I made three simple changes to make it use our new http objects
 # This will still accept anything as long as the method verb
 # is correct. Clients need not conform to RFC 9112 (yet).
 # We however, do our best effort to conform to rfc 9112,
@@ -219,8 +223,19 @@ def server_handler():
 # the client, but strict in what you send back, was first
 # was first forumlated by John Postel in that later half
 # of the 1970s.
+#
+# Lastly we add support for the HEAD method, as some http clients
+# Will get confused if we don't have it
+# RFC 9112 appears to say GET and HEAD are the only methods we
+# are ABSOLUTELY REQUIRED to support. So we add it.abs
+# At this point it will get a static response as well.
+# See Above.
 
-# Doing this, is also motivation for me to write Parts 4, 5, and 6
+# Doing this, is also motivation for me to write Parts 1, 2, and 3
+# By the way you're in a Star Wars, Sort of thing
+# This is Part 5. I thought the 4 would be more entertaining.abs
+# Parts 7, 8, and 9 will be made for Capitalism reasons
+# AKA Donate on my kofi link at the end.
 
 
 def client_handler(sock):
@@ -234,11 +249,16 @@ def client_handler(sock):
         dstring = data.decode("UTF-8")
         if dstring.startswith("GET"):
             break
+        elif dstring.startswith("HEAD"):
+            hr = str(head_response)
+            sock.send(hr.encode("utf-8"))
+            sock.close()
+            return
         else:
             error = str(error_response)
             sock.send(error.encode("utf-8"))
             junk_counter += 1
-        gevent.sleep(0.25)
+        gevent.sleep(0.25)  # this is a somewhat magical value
     default = str(good_response)
     sock.send(default.encode("utf-8"))
     sock.close()