X-Git-Url: http://dolda2000.com/gitweb/?p=wrw.git;a=blobdiff_plain;f=wrw%2Fsession.py;h=814182759d584e30e5aff52df6c7781815e74458;hp=90d460bdb5792f90952fdef6f1f405f323ead43e;hb=HEAD;hpb=09dd8abaebe7bee21670535ae04ec37f0fa644ab diff --git a/wrw/session.py b/wrw/session.py index 90d460b..8141827 100644 --- a/wrw/session.py +++ b/wrw/session.py @@ -1,23 +1,14 @@ import threading, time, pickle, random, os -from . import cookie, env +from . import cookie, env, proto __all__ = ["db", "get"] -def hexencode(str): - ret = "" - for byte in str: - ret += "%02X" % (ord(byte),) - return ret - def gennonce(length): - nonce = "" - for i in range(length): - nonce += chr(random.randint(0, 255)) - return nonce + return os.urandom(length) class session(object): - def __init__(self, lock, expire = 86400 * 7): - self.id = hexencode(gennonce(16)) + def __init__(self, lock, expire=86400 * 7): + self.id = proto.enhex(gennonce(16)) self.dict = {} self.lock = lock self.ctime = self.atime = self.mtime = int(time.time()) @@ -39,7 +30,7 @@ class session(object): def __getitem__(self, key): return self.dict[key] - def get(self, key, default = None): + def get(self, key, default=None): return self.dict.get(key, default) def __setitem__(self, key, value): @@ -74,7 +65,7 @@ class session(object): return "" % self.id class db(object): - def __init__(self, backdb = None, cookiename = "wrwsess", path = "/"): + def __init__(self, backdb=None, cookiename="wrwsess", path="/"): self.live = {} self.cookiename = cookiename self.path = path @@ -164,6 +155,14 @@ class db(object): self.cthread.setDaemon(True) self.cthread.start() + def mksession(self, req): + return session(threading.RLock()) + + def mkcookie(self, req, sess): + cookie.add(req, self.cookiename, sess.id, + path=self.path, + expires=cookie.cdate(time.time() + sess.expire)) + def fetch(self, req): now = int(time.time()) sessid = cookie.get(req, self.cookiename) @@ -173,13 +172,13 @@ class db(object): raise KeyError() sess = self._fetch(sessid) except KeyError: - sess = session(threading.RLock()) + sess = self.mksession(req) new = True def ckfreeze(req): if sess.dirty(): if new: - cookie.add(req, self.cookiename, sess.id, self.path) + self.mkcookie(req, sess) with self.lock: self.live[sess.id] = [sess.lock, sess] try: @@ -227,7 +226,7 @@ class dirback(object): with open(os.path.join(self.path, key), "w") as out: out.write(value) -default = env.var(db(backdb = dirback(os.path.join("/tmp", "wrwsess-" + str(os.getuid()))))) +default = env.var(db(backdb=dirback(os.path.join("/tmp", "wrwsess-" + str(os.getuid()))))) def get(req): return default.val.get(req)