plan9fox/sys/lib/python/hgext/hgwebfs.py

105 lines
2 KiB
Python

''' webfs support '''
import mercurial.url
import re
import os
class Webconn:
def __init__(self, mnt, req):
while True:
try:
self.open(mnt, req)
return
except IOError, e:
try:
errstr = e.strerror
params = errstr[errstr.index("needkey ")+8:]
if params.find("!password?") < 0:
raise e
if os.spawnl(os.P_WAIT, "/boot/factotum", "getkey", "-g", params) != 0:
raise e
except:
raise e
def open(self, mnt, req):
if type(req) == str:
self.url = req
else:
self.url = req.get_full_url()
if self.url[0:5] == 'file:':
path = self.url[5:]
while path[0:2] == '//':
path = path[1:]
self.dir = '/dev/null'
self.body = open(path, 'r', 0)
return
ctl = open(mnt+'/clone', 'r+', 0)
try:
self.dir = mnt+'/'+ctl.readline().rstrip('\n')
ctl.seek(0)
ctl.write('url '+self.url)
m = 'User-Agent: mercurial/proto-1.0\r\n';
ctl.seek(0)
ctl.write('headers '+m)
for h in req.headers:
ctl.seek(0)
ctl.write('headers '+h+': '+req.headers[h]+'\r\n')
if req.has_data():
data = req.get_data()
post = open(self.dir+'/postbody', 'w', 0);
try:
data.seek(0)
while True:
buf = data.read(4096)
if len(buf) == 0:
break
post.write(buf)
finally:
post.close()
self.body = open(self.dir+'/body', 'r', 0)
finally:
ctl.close()
def read(self, amt=-1):
return self.body.read(amt);
def close(self):
self.body.close()
self.body = None
self.dir = None
def geturl(self):
return self.url
def getheader(self, key):
name = re.sub(r'[^a-z]+', '', key.lower())
try:
f = open(self.dir+'/'+name, 'r', 0)
try:
hdr = f.read()
finally:
f.close()
return hdr
except:
return None
class Webopener:
def __init__(self):
self.handlers = []
def add_handler(self, handler):
return
def open(self, req, data=None):
return Webconn('/mnt/web', req)
def close(self):
pass
def webopener(ui, authinfo=None):
return Webopener();
mercurial.url.has_https = 1
mercurial.url.opener = webopener