X-Git-Url: http://dolda2000.com/gitweb/?p=wrw.git;a=blobdiff_plain;f=wrw%2Freq.py;h=010e907a5d203c86281f0a61e298498a8504518b;hp=82a1f84bf8b070cdc86badd2da57e2ab0f124967;hb=d30502c8fe37bedb30ad9f3ddecd5191c5b077fb;hpb=a878e812794ab36d47721a680a1bea5f4e1bcc45 diff --git a/wrw/req.py b/wrw/req.py index 82a1f84..010e907 100644 --- a/wrw/req.py +++ b/wrw/req.py @@ -1,3 +1,5 @@ +import io + __all__ = ["request"] class headdict(object): @@ -19,7 +21,7 @@ class headdict(object): def __iter__(self): return iter((list[0] for list in self.dict.values())) - def get(self, key, default = ""): + def get(self, key, default=""): if key.lower() in self.dict: return self.dict[key.lower()][1] return default @@ -49,6 +51,75 @@ def fixcase(str): i += 1 return str +class shortinput(IOError, EOFError): + def __init__(self): + super().__init__("Unexpected EOF") + +class limitreader(object): + def __init__(self, back, limit): + self.bk = back + self.limit = limit + self.rb = 0 + self.buf = bytearray() + + def close(self): + pass + + def read(self, size=-1): + ra = self.limit - self.rb + if size >= 0: + ra = min(ra, size) + while len(self.buf) < ra: + ret = self.bk.read(ra - len(self.buf)) + if ret == b"": + raise shortinput() + self.buf.extend(ret) + self.rb += len(ret) + ret = bytes(self.buf[:ra]) + self.buf = self.buf[ra:] + return ret + + def readline(self, size=-1): + off = 0 + while True: + p = self.buf.find(b'\n', off) + if p >= 0: + ret = bytes(self.buf[:p + 1]) + self.buf = self.buf[p + 1:] + return ret + off = len(self.buf) + if size >= 0 and len(self.buf) >= size: + ret = bytes(self.buf[:size]) + self.buf = self.buf[size:] + return ret + if self.rb == self.limit: + ret = bytes(self.buf) + self.buf = bytearray() + return ret + ra = self.limit - self.rb + if size >= 0: + ra = min(ra, size) + ra = min(ra, 1024) + ret = self.bk.read(ra) + if ret == b"": + raise shortinput() + self.buf.extend(ret) + self.rb += len(ret) + + def readlines(self, hint=None): + return list(self) + + def __iter__(rd): + class lineiter(object): + def __iter__(self): + return self + def __next__(self): + ret = rd.readline() + if ret == b"": + raise StopIteration() + return ret + return lineiter() + class request(object): def copy(self): return copyrequest(self) @@ -70,8 +141,23 @@ class origrequest(request): self.query = env["QUERY_STRING"] self.remoteaddr = env["REMOTE_ADDR"] self.serverport = env["SERVER_PORT"] + self.servername = env["SERVER_NAME"] self.https = "HTTPS" in env self.ihead = headdict() + if "CONTENT_TYPE" in env: + self.ihead["Content-Type"] = env["CONTENT_TYPE"] + if "CONTENT_LENGTH" in env: + clen = self.ihead["Content-Length"] = env["CONTENT_LENGTH"] + if clen.isdigit(): + self.input = limitreader(env["wsgi.input"], int(clen)) + else: + # XXX: What to do? + self.input = io.BytesIO(b"") + else: + # Assume input is chunked and read until ordinary EOF. + self.input = env["wsgi.input"] + else: + self.input = None self.ohead = headdict() for k, v in env.items(): if k[:5] == "HTTP_": @@ -148,6 +234,7 @@ class copyrequest(request): self.https = p.https self.ihead = p.ihead self.ohead = p.ohead + self.input = p.input def status(self, code, msg): return self.parent.status(code, msg)