client: fix relative paths

client.py

@@ -15,7 +15,7 @@ def main():
 
     arguments = parser.parse_args()
 
-    logging.basicConfig(level=logging.ERROR - (10 * arguments.verbose))
+    logging.basicConfig(level=logging.ERROR - (10 * arguments.verbose), format="[%(levelname)s] %(message)s")
     logging.debug("Arguments: %s", arguments)
 
     command = cmd.create(arguments.command, arguments.URI, arguments.port)

client/command.py

@@ -148,9 +148,9 @@ class GetCommand(AbstractCommand):
         (version, status, msg) = parser.parse_status_line(next(lines))
         headers = parser.parse_headers(lines)
 
-        logging.debug("---response begin---\r\n%s--- response end---", "".join(retriever.buffer))
+        logging.debug("---response begin---\r\n%s---response end---", "".join(retriever.buffer))
 
-        return Message(version, status, msg, headers)
+        return Message(version, status, msg, headers, retriever.buffer)
 
     def _await_response(self, client, retriever):
         msg = self._get_preamble(retriever)

client/response_handler.py

@@ -88,8 +88,7 @@ class BasicResponseHandler(ResponseHandler):
 
         if self.msg.status == 101:
             # Switching protocols is not supported
-            print(f"{self.msg.version} {self.msg.status} {self.msg.msg}")
+            print("".join(self.msg.raw), end="")
-            print(self.msg.headers)
             return
 
         if 200 <= self.msg.status < 300:
@@ -100,8 +99,7 @@ class BasicResponseHandler(ResponseHandler):
             return self._do_handle_redirect()
         if 400 <= self.msg.status < 500:
             # Dump headers and exit with error
-            print(f"{self.msg.version} {self.msg.status} {self.msg.msg}")
+            print("".join(self.msg.raw), end="")
-            print(self.msg.headers)
             return None
 
     def _do_handle_redirect(self):
@@ -216,15 +214,14 @@ class HTMLDownloadHandler(DownloadHandler):
 
     def _download_images(self, tmp_filename, target_filename):
 
-        (host, path) = ResponseHandler.parse_uri(self.cmd.uri)
         with open(tmp_filename, "rb") as fp:
             soup = BeautifulSoup(fp, 'lxml')
 
-            base_url = self.cmd.uri
+            base_url = parser.base_url(self.cmd.uri)
             base_element = soup.find("base")
 
             if base_element:
-                base_url = base_element["href"]
+                base_url = f"http://{self.cmd.host}" + base_element["href"]
 
             processed = {}
             tag: Tag
@@ -236,7 +233,7 @@ class HTMLDownloadHandler(DownloadHandler):
                     if tag["src"] in processed:
                         new_url = processed.get(tag["src"])
                     else:
-                        new_url = self.__download_image(tag["src"], host, base_url)
+                        new_url = self.__download_image(tag["src"], base_url)
                         processed[tag["src"]] = new_url
                     if new_url:
                         tag["src"] = os.path.basename(new_url)
@@ -246,8 +243,8 @@ class HTMLDownloadHandler(DownloadHandler):
         with open(target_filename, 'w') as file:
             file.write(str(soup))
 
-    def __download_image(self, img_src, host, base_url):
+    def __download_image(self, img_src, base_url):
-        logging.debug("Downloading image: %s", img_src)
+        logging.info("Downloading image: %s", img_src)
 
         parsed = urlsplit(img_src)
 
@@ -257,11 +254,11 @@ class HTMLDownloadHandler(DownloadHandler):
 
         if parsed.hostname is None:
             if img_src[0] == "/":
-                img_src = host + img_src
+                img_src = f"http://{self.cmd.host}{img_src}"
             else:
-                img_src = os.path.join(os.path.dirname(base_url), img_src)
+                img_src = parser.absolute_url(base_url, img_src)
 
-        if parsed.hostname is None or parsed.hostname == host:
+        if parsed.hostname is None or parsed.hostname == self.cmd.host:
             port = self.cmd.port
         elif ":" in parsed.netloc:
             port = parsed.netloc.split(":", 1)[1]

httplib/message.py

@@ -6,11 +6,13 @@ class Message:
     status: int
     msg: str
     headers: Dict[str, str]
+    raw: str
     body: bytes
 
-    def __init__(self, version: str, status: int, msg: str, headers: Dict[str, str], body: bytes = None):
+    def __init__(self, version: str, status: int, msg: str, headers: Dict[str, str], raw=None, body: bytes = None):
         self.version = version
         self.status = status
         self.msg = msg
         self.headers = headers
+        self.raw = raw
         self.body = body

httplib/parser.py

@@ -1,4 +1,5 @@
 import logging
+import os.path
 import re
 from urllib.parse import urlparse, urlsplit
 
@@ -182,7 +183,6 @@ def parse_headers(lines):
     headers = []
     # first header after the status-line may not contain a space
     for line in lines:
-        line = next(lines)
         if line[0].isspace():
             continue
         else:
@@ -245,3 +245,15 @@ def parse_uri(uri: str):
         port = 80
 
     return host, port, path
+
+
+def base_url(uri: str):
+    parsed = urlsplit(uri)
+    path = parsed.path.rsplit("/", 1)[0]
+    return f"{parsed.scheme}://{parsed.hostname}{path}/"
+
+
+def absolute_url(uri: str, rel_path: str):
+    parsed = urlsplit(uri)
+    path = os.path.normpath(os.path.join(parsed.path, rel_path))
+    return f"{parsed.scheme}://{parsed.hostname}{path}"

httplib/retriever.py

@@ -57,7 +57,7 @@ class PreambleRetriever(Retriever):
         while True:
             self.buffer.append(line)
 
-            if line in ("\r\n", "\n", " "):
+            if line in ("\r\n", "\n", ""):
                 break
 
             yield line

server.py

@@ -47,44 +47,3 @@ except Exception as e:
     print("[ABRT] Internal error: " + str(e), file=sys.stderr)
     logging.debug("Internal error", exc_info=e)
     sys.exit(70)
-
-# import socket
-#
-# # Get hostname and address
-# hostname = socket.gethostname()
-# address = socket.gethostbyname(hostname)
-#
-# # socket heeft een listening and accept method
-#
-# SERVER = "127.0.0.1"  # dynamisch fixen in project
-# PORT = 5055
-# server = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
-#
-# ADDR = (SERVER, PORT)  # hier wordt de socket gebonden aan mijn IP adres, dit moet wel anders
-# server.bind(ADDR)  # in het project gebeuren
-#
-# HEADER = 64  # maximum size messages
-# FORMAT = 'utf-8'
-# DISCONNECT_MESSAGE = "DISCONNECT!"  # special message for disconnecting client and server
-#
-#
-# # function for starting server
-# def start():
-#     pass
-#     server.listen()
-#     while True:  # infinite loop in which server accept incoming connections, we want to run it forever
-#         conn, addr = server.accept()  # Server blocks untill a client connects
-#         print("new connection: ", addr[0], " connected.")
-#         connected = True
-#         while connected:  # while client is connected, we want to recieve messages
-#             msg = conn.recv(HEADER).decode(
-#                 FORMAT).rstrip()  # Argument is maximum size of msg (in project look into details of accp), decode is for converting bytes to strings, rstrip is for stripping messages for special hidden characters
-#             print("message: ", msg)
-#             if msg == DISCONNECT_MESSAGE:
-#                 connected = False
-#         print("close connection ", addr[0], " disconnected.")
-#         conn.close()
-#
-#
-# print("server is starting ... ")
-# start()

server/command.py

@@ -77,7 +77,7 @@ class GetCommand(AbstractCommand):
 
         logging.debug("---response begin---\r\n%s--- response end---", "".join(retriever.buffer))
 
-        return Message(version, status, msg, headers)
+        return Message(version, status, msg, headers, retriever.buffer)
 
     def _await_response(self, client, retriever):
         msg = self._get_preamble(retriever)