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serve.py
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serve.py
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#!/usr/bin/env pypy3
#import preforking
from user import User,UserError
import user
from redirect import Redirect
from dispatcher import dispatch,process
import uploader
import tagfilter
from dimensions import thumbnailPageSize
from setupurllib import isPypy
from session import Session
import pages,jsony
import withtags
import tags as tagsModule
from tags import Taglist
import db
import filedb
from socketserver import ThreadingMixIn
from http.server import BaseHTTPRequestHandler,HTTPServer
import http.client as codes
import cgi
import socket
import urllib.parse
from urllib.parse import urlparse,parse_qs
import io
import time
import sys
import os
debugging = 'debug' in os.environ
def encodeDict(d):
for n,v in d.items():
d[n] = v.encode('utf-8')
def decodeDict(d):
newd = {}
for n,v in d.items():
newd[n.decode('utf-8')] = [vv.decode('utf-8') for vv in v]
return newd
def parsePath(pathquery):
parsed = urlparse(pathquery)
params = parse_qs(parsed.query)
path = parsed.path
if path.endswith('.json'):
json = True
elif not path.endswith('/'):
# we want a trailing / or can't tell whether to go . or ..
raise Redirect(path + '/')
else:
json = False
path = path.split('/')[:-1] # last is a blank for the trailing /
path = path[2:] # blank, art at the front
path = [urllib.parse.unquote(thing) for thing in path] # some sites make ~ -> %7E -_-
return json,path,parsed,params
class Handler(BaseHTTPRequestHandler):
def version_string(self):
return 'MYOB/1.0'
def fail(self,message):
raise UserFailure(message)
def log_message(self,format,*args):
if not debugging and self.ip == 'fc1b:3f1e:dc7f:952a:f8e7:62c6:85cb:d7ea': return
sys.stderr.write(("{} {} {} ({}) ".format(self.ip,self.command,self.path,time.time()))+
(format%args)+'\n')
sys.stderr.flush()
def handle_one_request(self):
try:
self.raw_requestline = self.rfile.readline(0x10001)
if len(self.raw_requestline) > 0x10000:
self.requestline = ''
self.request_version = ''
self.command = ''
self.send_error(414)
return
if not self.raw_requestline:
self.close_connection = 1
return
if not self.parse_request():
# An error code has been sent, just exit
return
self.do()
self.wfile.flush()
except socket.timeout as e:
self.log_error("Request timed out")
self.close_connection = 1
return
except socket.error as e:
import errno
if e.errno == errno.EPIPE:
self.log_error("Client closed connection")
self.close_connection = 1
else:
raise
except Exception as e:
import traceback
traceback.print_exc()
if e.args:
e = e.args[0]
else:
e = str(e)
self.send_error(500,e)
self.log_error(e)
return
def do(self):
self.ip = self.headers.get('X-Real-IP')
if not self.ip:
self.ip = self.headers['X-Forwarded-For']
mname = 'do_' + self.command
if not hasattr(self, mname):
self.send_error(501, "Unsupported method (%r)" % self.command)
return
method = getattr(self, mname)
with user.being(self.headers['X-Real-IP']), Session:
try: method()
except Redirect as r:
self.send_response(r.code,"go")
self.send_header("location",r.where)
self.end_headers()
except UserError as e:
self.send_error(500,e.message)
return
except Exception as e:
print('um',e)
raise
def do_OPTIONS(self):
self.send_response(200,"OK")
self.send_header('Content-Length',0)
self.send_header('Access-Control-Allow-Origin',"*")
self.send_header('Access-Control-Allow-Methods',"GET,POST,PUT")
self.send_header('Access-Control-Allow-Headers',self.headers['access-control-request-headers'])
self.end_headers()
def do_PUT(self):
try: uploader.manage(self)
except uploader.Error as e:
e = str(e)
self.send_error(500,e)
def do_POST(self):
if not self.headers.get('Connection','') == 'close':
print("WARN connection won't close!")
json,path,parsed,params = parsePath(self.path)
mode = path[0][1:]
ctype, pdict = cgi.parse_header(self.headers['content-type'])
length = int(self.headers.get('Content-Length'))
if ctype != 'multipart/form-data':
pdict = cgi.parse_qs(self.rfile.read(length))
if isPypy:
pdict = decodeDict(pdict)
params.update(pdict)
location = process(mode,parsed,params,None)
else:
boundary = pdict['boundary']
if hasattr(boundary,'decode'):
pdict['boundary'] = boundary.decode()
if not isPypy:
encodeDict(pdict) # sigh
parts = self.rfile.read(length).split(boundary)
location = process(mode,parsed,params,parts)
self.send_response(codes.FOUND,"go")
self.send_header("Location",location)
self.end_headers()
def do_HEAD(self):
Session.head = True
return self.do_GET()
def do_GET(self):
Session.handler = self
json,path,pathurl,params = parsePath(self.path)
Session.params = params
# Session.query = ...
if len(path)>0 and len(path[0])>0 and path[0][0]=='~':
mode = path[0][1:]
page = dispatch(json,mode,path,params)
else:
implied = self.headers.get("X-Implied-Tags")
if implied:
tags = tagsModule.parse(implied)
else:
tags = tagsModule.parse("-special:rl")
tagfilter.filter(tags)
tags.update(User.tags())
basic = Taglist()
# basic = visible tags to the user, i.e. not implied or user tags
if json:
disp = jsony
else:
disp = pages
for thing in path:
if thing:
thing = urllib.parse.unquote(thing)
if thing[0] == '-':
tag = tagsModule.getTag(thing[1:])
if tag:
tags.posi.discard(tag)
tags.nega.add(tag)
basic.nega.add(tag)
continue
elif thing[0] == '+':
thing = thing[1:]
tag = tagsModule.getTag(thing)
if tag:
tags.posi.add(tag)
basic.posi.add(tag)
o = params.get('o')
if 'q' in params:
if o:
o = int(o[0],0x10)
else:
o = 0
ident,name,type,tags = next(withtags.searchForTags(tags,offset=o,limit=1))
with disp.Links:
if json:
disp.Links.next = o + 1
else:
params['o'] = o + 1
disp.Links.next = disp.unparseQuery(params)
if o > 0:
if json:
disp.Links.prev = o - 1
else:
params['o'] = o - 1
disp.Links.prev = disp.unparseQuery(params)
page = disp.page((ident,None,None,name,type,0,0,0,0,tags),path,params)
else:
if o:
o = int(o[0],0x10)
offset = thumbnailPageSize*o
else:
offset = o = 0
page = disp.media(pathurl,params,o,
withtags.searchForTags(tags,offset=offset,limit=thumbnailPageSize),
withtags.searchForTags(tags,offset=offset,limit=thumbnailPageSize,wantRelated=True),basic)
if json:
page = jsony.encode(page).encode('utf-8')
else:
page = str(page).encode('utf-8')
self.send_response(200,"OK")
self.send_header('Content-Type',Session.type if Session.type else 'application/json' if json else 'text/html; charset=utf-8')
if Session.modified:
self.send_header('Last-Modified',self.date_time_string(float(Session.modified)))
if not Session.head:
self.send_header('Content-Length',len(page))
else:
self.send_header('Content-Length',0)
if Session.refresh:
if Session.refresh is True:
Session.refresh = 5
self.send_header('Refresh',str(Session.refresh))
self.end_headers()
if Session.head is False:
self.wfile.write(page)
Handler.responses[500] = 'Error','Server derped'
class Server(HTTPServer,ThreadingMixIn):
def handle_error(self,request,address):
import sys
type,value,traceback = sys.exc_info()
if type == SystemExit:
self.shutdown_request(request)
import threading # sigh...
class Derp(threading.Thread):
server=self
def run(self):
self.server.shutdown()
t = Derp()
t.setDaemon(True)
t.start()
return
elif type == UserError:
return
else:
super(Server,self).handle_error(request,address)
#preforking.serve_forever(lambda: Server(("127.0.0.1",8029),Handler))
print('OK')
Server(("127.0.0.1",8029),Handler).serve_forever()