This repository was archived by the owner on Aug 8, 2023. It is now read-only.
forked from grisha/mod_python
-
Notifications
You must be signed in to change notification settings - Fork 1
Expand file tree
/
Copy pathapache.py
More file actions
1216 lines (1003 loc) · 38.9 KB
/
Copy pathapache.py
File metadata and controls
1216 lines (1003 loc) · 38.9 KB
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827
828
829
830
831
832
833
834
835
836
837
838
839
840
841
842
843
844
845
846
847
848
849
850
851
852
853
854
855
856
857
858
859
860
861
862
863
864
865
866
867
868
869
870
871
872
873
874
875
876
877
878
879
880
881
882
883
884
885
886
887
888
889
890
891
892
893
894
895
896
897
898
899
900
901
902
903
904
905
906
907
908
909
910
911
912
913
914
915
916
917
918
919
920
921
922
923
924
925
926
927
928
929
930
931
932
933
934
935
936
937
938
939
940
941
942
943
944
945
946
947
948
949
950
951
952
953
954
955
956
957
958
959
960
961
962
963
964
965
966
967
968
969
970
971
972
973
974
975
976
977
978
979
980
981
982
983
984
985
986
987
988
989
990
991
992
993
994
995
996
997
998
999
1000
# vim: set sw=4 expandtab :
#
# Copyright (C) 2000, 2001, 2013 Gregory Trubetskoy
# Copyright (C) 2002, 2003, 2004, 2005, 2006, 2007 Apache Software Foundation
#
# Licensed under the Apache License, Version 2.0 (the "License"); you
# may not use this file except in compliance with the License. You
# may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
# implied. See the License for the specific language governing
# permissions and limitations under the License.
#
# Originally developed by Gregory Trubetskoy.
#
import sys
import traceback
import time
import os
import pdb
import stat
import imp
import types
import cgi
import _apache
try:
import threading
except:
import dummy_threading as threading
# Cache for values of PythonPath that have been seen already.
_path_cache = {}
_path_cache_lock = threading.Lock()
_result_warning = """Handler has returned result or raised SERVER_RETURN
exception with argument having non integer type. Type of value returned
was %s, whereas expected """ + str(int) + "."
class CallBack:
"""
A generic callback object.
"""
class HStack:
"""
The actual stack string lives in the request object so
it can be manipulated by both apache.py and mod_python.c
"""
def __init__(self, req):
self.req = req
def pop(self):
handlers = self.req.hstack.split()
if not handlers:
return None
else:
self.req.hstack = " ".join(handlers[1:])
return handlers[0]
def ConnectionDispatch(self, conn):
# config
config, debug = conn.base_server.get_config(), False
if "PythonDebug" in config:
debug = config["PythonDebug"] == "1"
try:
handler = conn.hlist.handler
# split module::handler
l = handler.split('::', 1)
module_name = l[0]
if len(l) == 1:
# no oject, provide default
obj_str = "connectionhandler"
else:
obj_str = l[1]
# evaluate pythonpath and set sys.path to
# resulting value if not already done
if "PythonPath" in config:
_path_cache_lock.acquire()
try:
pathstring = config["PythonPath"]
if pathstring not in _path_cache:
newpath = eval(pathstring)
_path_cache[pathstring] = None
sys.path[:] = newpath
finally:
_path_cache_lock.release()
# import module
autoreload = True
if "PythonAutoReload" in config:
autoreload = config["PythonAutoReload"] == "1"
module = import_module(module_name,
autoreload=autoreload,
log=debug)
# find the object
obj = resolve_object(module, obj_str,
arg=conn, silent=0)
# Only permit debugging using pdb if Apache has
# actually been started in single process mode.
pdb_debug = False
if "PythonEnablePdb" in config:
pdb_debug = config["PythonEnablePdb"] == "1"
if pdb_debug and exists_config_define("ONE_PROCESS"):
# Don't use pdb.runcall() as it results in
# a bogus 'None' response when pdb session
# is quit. With this code the exception
# marking that the session has been quit is
# propogated back up and it is obvious in
# the error message what actually occurred.
debugger = pdb.Pdb()
debugger.reset()
sys.settrace(debugger.trace_dispatch)
try:
result = obj(conn)
finally:
debugger.quitting = 1
sys.settrace(None)
else:
result = obj(conn)
assert (result.__class__ is int), \
"ConnectionHandler '%s' returned invalid return code." % handler
except:
# Error (usually parsing)
try:
exc_type, exc_value, exc_traceback = sys.exc_info()
result = self.ReportError(exc_type, exc_value, exc_traceback, srv=conn.base_server,
phase="ConnectionHandler",
hname=handler, debug=debug)
finally:
exc_traceback = None
return result
def FilterDispatch(self, fltr):
req = fltr.req
# config
config, debug = req.get_config(), False
if "PythonDebug" in config:
debug = config["PythonDebug"] == "1"
try:
# split module::handler
l = fltr.handler.split('::', 1)
module_name = l[0]
if len(l) == 1:
# no oject, provide default
if fltr.is_input:
obj_str = "inputfilter"
else:
obj_str = "outputfilter"
else:
obj_str = l[1]
# add the directory to pythonpath if
# not there yet, or evaluate pythonpath
# and set sys.path to resulting value
# if not already done
if "PythonPath" in config:
_path_cache_lock.acquire()
try:
pathstring = config["PythonPath"]
if pathstring not in _path_cache:
newpath = eval(pathstring)
_path_cache[pathstring] = None
sys.path[:] = newpath
finally:
_path_cache_lock.release()
else:
if fltr.dir:
_path_cache_lock.acquire()
try:
if fltr.dir not in sys.path:
sys.path[:0] = [fltr.dir]
finally:
_path_cache_lock.release()
# import module
autoreload = True
if "PythonAutoReload" in config:
autoreload = config["PythonAutoReload"] == "1"
module = import_module(module_name,
autoreload=autoreload,
log=debug)
# find the object
obj = resolve_object(module, obj_str,
arg=fltr, silent=0)
# Only permit debugging using pdb if Apache has
# actually been started in single process mode.
pdb_debug = False
if "PythonEnablePdb" in config:
pdb_debug = config["PythonEnablePdb"] == "1"
if pdb_debug and exists_config_define("ONE_PROCESS"):
# Don't use pdb.runcall() as it results in
# a bogus 'None' response when pdb session
# is quit. With this code the exception
# marking that the session has been quit is
# propogated back up and it is obvious in
# the error message what actually occurred.
debugger = pdb.Pdb()
debugger.reset()
sys.settrace(debugger.trace_dispatch)
try:
result = obj(fltr)
finally:
debugger.quitting = 1
sys.settrace(None)
else:
result = obj(fltr)
# always flush the filter. without a FLUSH or EOS bucket,
# the content is never written to the network.
# XXX an alternative is to tell the user to flush() always
if not fltr.closed:
fltr.flush()
except SERVER_RETURN as value:
# SERVER_RETURN indicates a non-local abort from below
# with value as (result, status) or (result, None) or result
try:
if len(value.args) == 2:
(result, status) = value.args
if status:
req.status = status
else:
result = value.args[0]
if result.__class__ is not int:
s = "Value raised with SERVER_RETURN is invalid. It is a "
s = s + "%s, but it must be a tuple or an int." % result.__class__
_apache.log_error(s, APLOG_ERR, req.server)
return
except:
pass
except:
# Error (usually parsing)
try:
exc_type, exc_value, exc_traceback = sys.exc_info()
fltr.disable()
result = self.ReportError(exc_type, exc_value, exc_traceback, req=req, filter=fltr,
phase=fltr.name, hname=fltr.handler,
debug=debug)
finally:
exc_traceback = None
return OK
def HandlerDispatch(self, req):
"""
This is the handler dispatcher.
"""
# be cautious
result = HTTP_INTERNAL_SERVER_ERROR
# config
config, debug = req.get_config(), False
if "PythonDebug" in config:
debug = config["PythonDebug"] == "1"
default_obj_str = _phase_handler_names[req.phase]
# Lookup expected status values that allow us to
# continue when multiple handlers exist.
expected = _status_values[default_obj_str]
try:
hlist = req.hlist
while hlist.handler is not None:
# split module::handler
l = hlist.handler.split('::', 1)
module_name = l[0]
if len(l) == 1:
# no object, provide default
obj_str = default_obj_str
else:
obj_str = l[1]
# add the directory to pythonpath if
# not there yet, or evaluate pythonpath
# and set sys.path to resulting value
# if not already done
if "PythonPath" in config:
_path_cache_lock.acquire()
try:
pathstring = config["PythonPath"]
if pathstring not in _path_cache:
newpath = eval(pathstring)
_path_cache[pathstring] = None
sys.path[:] = newpath
finally:
_path_cache_lock.release()
else:
if not hlist.is_location:
directory = hlist.directory
if directory:
_path_cache_lock.acquire()
try:
if directory not in sys.path:
sys.path[:0] = [directory]
finally:
_path_cache_lock.release()
# import module
autoreload = True
if "PythonAutoReload" in config:
autoreload = config["PythonAutoReload"] == "1"
module = import_module(module_name,
autoreload=autoreload,
log=debug)
# find the object
if '.' not in obj_str: # this is an optimization
try:
obj = module.__dict__[obj_str]
except:
if not hlist.silent:
s = "module '%s' contains no '%s'" % (module.__file__, obj_str)
raise AttributeError(s)
else:
obj = resolve_object(module, obj_str,
arg=req, silent=hlist.silent)
if not hlist.silent or obj is not None:
try:
# Only permit debugging using pdb if Apache has
# actually been started in single process mode.
pdb_debug = False
if "PythonEnablePdb" in config:
pdb_debug = config["PythonEnablePdb"] == "1"
if pdb_debug and exists_config_define("ONE_PROCESS"):
# Don't use pdb.runcall() as it results in
# a bogus 'None' response when pdb session
# is quit. With this code the exception
# marking that the session has been quit is
# propogated back up and it is obvious in
# the error message what actually occurred.
debugger = pdb.Pdb()
debugger.reset()
sys.settrace(debugger.trace_dispatch)
try:
result = obj(req)
finally:
debugger.quitting = 1
sys.settrace(None)
else:
result = obj(req)
except SERVER_RETURN as value:
# The SERVER_RETURN exception type when raised
# otherwise indicates an abort from below with
# value as (result, status) or (result, None) or
# result.
if len(value.args) == 2:
(result, status) = value.args
if status:
req.status = status
else:
result = value.args[0]
assert (result.__class__ is int), \
_result_warning % result.__class__
# stop cycling through handlers
if result not in expected:
break
elif hlist.silent:
# A missing handler when in silent mode will
# only propagate DECLINED if it is the first
# and only handler.
if result == HTTP_INTERNAL_SERVER_ERROR:
result = DECLINED
hlist.next()
except:
# Error (usually parsing)
try:
exc_type, exc_value, exc_traceback = sys.exc_info()
result = self.ReportError(exc_type, exc_value, exc_traceback, req=req,
phase=req.phase, hname=hlist.handler, debug=debug)
finally:
exc_traceback = None
return result
def IncludeDispatch(self, fltr, tag, code):
try:
# config
config, debug = fltr.req.get_config(), False
if "PythonDebug" in config:
debug = config["PythonDebug"] == "1"
if not hasattr(fltr.req,"ssi_globals"):
fltr.req.ssi_globals = {}
fltr.req.ssi_globals["filter"] = fltr
fltr.req.ssi_globals["__file__"] = fltr.req.filename
code = code.replace('\r\n', '\n').rstrip()
if tag == 'eval':
result = eval(code, fltr.req.ssi_globals)
if result is not None:
fltr.write(str(result))
elif tag == 'exec':
exec(code, fltr.req.ssi_globals)
fltr.flush()
except:
try:
exc_type, exc_value, exc_traceback = sys.exc_info()
fltr.disable()
result = self.ReportError(exc_type, exc_value, exc_traceback,
req=fltr.req, filter=fltr,
phase=fltr.name,
hname=fltr.req.filename,
debug=debug)
finally:
exc_traceback = None
raise
fltr.req.ssi_globals["filter"] = None
return OK
def ImportDispatch(self, name):
# config
config, debug = main_server.get_config(), False
if "PythonDebug" in config:
debug = config["PythonDebug"] == "1"
# evaluate pythonpath and set sys.path to
# resulting value if not already done
if "PythonPath" in config:
_path_cache_lock.acquire()
try:
pathstring = config["PythonPath"]
if pathstring not in _path_cache:
newpath = eval(pathstring)
_path_cache[pathstring] = None
sys.path[:] = newpath
finally:
_path_cache_lock.release()
# split module::function
l = name.split('::', 1)
module_name = l[0]
func_name = None
if len(l) != 1:
func_name = l[1]
module = import_module(module_name, log=debug)
if func_name:
getattr(module, func_name)()
def ReportError(self, etype, evalue, etb, req=None, filter=None, srv=None,
phase="N/A", hname="N/A", debug=0):
"""
This function is only used when debugging is on.
It sends the output similar to what you'd see
when using Python interactively to the browser
"""
try: # try/finally
try: # try/except
if str(etype) == "exceptions.IOError" \
and str(evalue)[:5] == "Write":
# if this is an IOError while writing to client,
# it is probably better not to try to write to the cleint
# even if debug is on.
debug = 0
# write to log
for e in traceback.format_exception(etype, evalue, etb):
s = "%s %s: %s" % (phase, hname, e[:-1])
if req:
req.log_error(s, APLOG_ERR)
else:
_apache.log_error(s, APLOG_ERR, srv)
if not debug or not req:
return HTTP_INTERNAL_SERVER_ERROR
else:
# write to client
req.status = HTTP_INTERNAL_SERVER_ERROR
req.content_type = 'text/html'
s = '\n<pre>\nMod_python error: "%s %s"\n\n' % (phase, hname)
for e in traceback.format_exception(etype, evalue, etb):
s = s + cgi.escape(e) + '\n'
s = s + "</pre>\n"
if filter:
filter.write(s)
filter.flush()
else:
req.write(s)
return DONE
except:
# last try
traceback.print_exc()
sys.stderr.flush()
finally:
# erase the traceback
etb = None
# we do not return anything
def import_module(module_name, autoreload=1, log=0, path=None):
"""
Get the module to handle the request. If
autoreload is on, then the module will be reloaded
if it has changed since the last import.
"""
# nlehuen: this is a big lock, we'll have to refine it later to get better performance.
# For now, we'll concentrate on thread-safety.
imp.acquire_lock()
try:
# (Re)import
if module_name in sys.modules:
# The module has been imported already
module = sys.modules[module_name]
oldmtime, mtime = 0, 0
if autoreload:
# but is it in the path?
try:
file = module.__dict__["__file__"]
except KeyError:
file = None
# the "and not" part of this condition is to prevent execution
# of arbitrary already imported modules, such as os. The
# reason we use startswith as opposed to exact match is that
# modules inside packages are actually in subdirectories.
if not file or (path and not list(filter(file.startswith, path))):
# there is a script by this name already imported, but it's in
# a different directory, therefore it's a different script
mtime, oldmtime = 0, -1 # trigger import
else:
try:
last_check = module.__dict__["__mtime_check__"]
except KeyError:
last_check = 0
if (time.time() - last_check) > 1:
oldmtime = module.__dict__.get("__mtime__", 0)
mtime = module_mtime(module)
else:
pass
else:
mtime, oldmtime = 0, -1
if mtime != oldmtime:
# Import the module
if log:
if path:
s = "mod_python: (Re)importing module '%s' with path set to '%s'" % (module_name, path)
else:
s = "mod_python: (Re)importing module '%s'" % module_name
_apache.log_error(s, APLOG_NOTICE)
parent = None
parts = module_name.split('.')
for i in range(len(parts)):
f, p, d = imp.find_module(parts[i], path)
try:
mname = ".".join(parts[:i+1])
module = imp.load_module(mname, f, p, d)
if parent:
setattr(parent,parts[i],module)
parent = module
finally:
if f: f.close()
if hasattr(module, "__path__"):
path = module.__path__
if mtime == 0:
mtime = module_mtime(module)
module.__mtime__ = mtime
return module
finally:
imp.release_lock()
def module_mtime(module):
"""Get modification time of module"""
mtime = 0
if "__file__" in module.__dict__:
filepath = module.__file__
try:
# this try/except block is a workaround for a Python bug in
# 2.0, 2.1 and 2.1.1. See
# http://sourceforge.net/tracker/?group_id=5470&atid=105470&func=detail&aid=422004
if os.path.exists(filepath):
mtime = os.path.getmtime(filepath)
if os.path.exists(filepath[:-1]) :
mtime = max(mtime, os.path.getmtime(filepath[:-1]))
module.__dict__["__mtime_check__"] = time.time()
except OSError: pass
return mtime
def resolve_object(module, obj_str, arg=None, silent=0):
"""
This function traverses the objects separated by .
(period) to find the last one we're looking for:
From left to right, find objects, if it is
an unbound method of a class, instantiate the
class passing the request as single argument
'arg' is sometimes req, sometimes filter,
sometimes connection
"""
obj = module
for obj_str in obj_str.split('.'):
parent = obj
# don't throw attribute errors when silent
if silent and not hasattr(obj, obj_str):
return None
# this adds a little clarity if we have an attriute error
if obj == module and not hasattr(module, obj_str):
if hasattr(module, "__file__"):
s = "module '%s' contains no '%s'" % (module.__file__, obj_str)
raise AttributeError(s)
obj = getattr(obj, obj_str)
if hasattr(obj, "im_self") and not obj.__self__:
# this is an unbound method, its class
# needs to be instantiated
instance = parent(arg)
obj = getattr(instance, obj_str)
return obj
def build_cgi_env(req):
"""
Utility function that returns a dictionary of
CGI environment variables as described in
http://hoohoo.ncsa.uiuc.edu/cgi/env.html
"""
req.add_cgi_vars()
env = req.subprocess_env.copy()
if req.path_info and len(req.path_info) > 0:
env["SCRIPT_NAME"] = req.uri[:-len(req.path_info)]
else:
env["SCRIPT_NAME"] = req.uri
env["GATEWAY_INTERFACE"] = "Python-CGI/1.1"
# you may want to comment this out for better security
if "authorization" in req.headers_in:
env["HTTP_AUTHORIZATION"] = req.headers_in["authorization"]
return env
class NullIO(object):
""" Abstract IO
"""
def tell(self): return 0
def read(self, n = -1): return ""
def readline(self, length = None): return ""
def readlines(self): return []
def write(self, s): pass
def writelines(self, list):
self.write("".join(list))
def isatty(self): return 0
def flush(self): pass
def close(self): pass
def detach(self): pass
def seek(self, pos, mode = 0): pass
class CGIStdin(NullIO):
def __init__(self, req):
self.pos = 0
self.req = req
self.BLOCK = 65536 # 64K
# note that self.buf sometimes contains leftovers
# that were read, but not used when readline was used
self.buf = ""
def read(self, n = -1):
if n == 0:
return ""
if n == -1:
s = self.req.read(self.BLOCK)
while s:
self.buf = self.buf + s
self.pos = self.pos + len(s)
s = self.req.read(self.BLOCK)
result = self.buf
self.buf = ""
return result
else:
if self.buf:
s = self.buf[:n]
n = n - len(s)
else:
s = ""
s = s + self.req.read(n)
self.pos = self.pos + len(s)
return s
def readlines(self):
s = (self.buf + self.read()).split('\n')
return [s + '\n' for s in s]
def readline(self, n = -1):
if n == 0:
return ""
# fill up the buffer
self.buf = self.buf + self.req.read(self.BLOCK)
# look for \n in the buffer
i = self.buf.find('\n')
while i == -1: # if \n not found - read more
if (n != -1) and (len(self.buf) >= n): # we're past n
i = n - 1
break
x = len(self.buf)
self.buf = self.buf + self.req.read(self.BLOCK)
if len(self.buf) == x: # nothing read, eof
i = x - 1
break
i = self.buf.find('\n', x)
# carve out the piece, then shorten the buffer
result = self.buf[:i+1]
self.buf = self.buf[i+1:]
self.pos = self.pos + len(result)
return result
class CGIStdout(NullIO):
"""
Class that allows writing to the socket directly for CGI.
"""
def __init__(self, req):
self.pos = 0
self.req = req
self.headers_sent = 0
self.headers = ""
def write(self, s):
if not s: return
if not self.headers_sent:
self.headers = self.headers + s
# are headers over yet?
headers_over = 0
# first try RFC-compliant CRLF
ss = self.headers.split('\r\n\r\n', 1)
if len(ss) < 2:
# second try with \n\n
ss = self.headers.split('\n\n', 1)
if len(ss) >= 2:
headers_over = 1
else:
headers_over = 1
if headers_over:
# headers done, process them
ss[0] = ss[0].replace('\r\n', '\n')
lines = ss[0].split('\n')
for line in lines:
h, v = line.split(":", 1)
v = v.strip()
if h.lower() == "status":
status = int(v.split()[0])
self.req.status = status
elif h.lower() == "content-type":
self.req.content_type = v
self.req.headers_out[h] = v
else:
self.req.headers_out.add(h, v)
self.headers_sent = 1
# write the body if any at this point
self.req.write(ss[1])
else:
self.req.write(str(s))
self.pos = self.pos + len(s)
def tell(self): return self.pos
def setup_cgi(req):
"""
Replace sys.stdin and stdout with an objects that read/write to
the socket, as well as substitute the os.environ.
Returns (environ, stdin, stdout) which you must save and then use
with restore_nocgi().
"""
# save env
save_env = os.environ.copy()
si = sys.stdin
so = sys.stdout
os.environ.update(build_cgi_env(req))
sys.stdout = CGIStdout(req)
sys.stdin = CGIStdin(req)
sys.argv = [] # keeps cgi.py happy
return save_env, si, so
def restore_nocgi(sav_env, si, so):
""" see setup_cgi() """
osenv = os.environ
# restore env
for k in list(osenv.keys()):
del osenv[k]
for k in sav_env:
osenv[k] = sav_env[k]
sys.stdout = si
sys.stdin = so
interpreter = None
main_server = None
_callback = None
def register_cleanup(callback, data=None):
_apache.register_cleanup(interpreter, main_server, callback, data)
def init(name, server):
"""
This function is called by the server at startup time
"""
global interpreter
global main_server
interpreter = name
main_server = server
sys.argv = ["mod_python"]
global _callback
_callback = CallBack()
return _callback
## Some functions made public
make_table = _apache.table
log_error = _apache.log_error
table = _apache.table
config_tree = _apache.config_tree
server_root = _apache.server_root
mpm_query = _apache.mpm_query
exists_config_define = _apache.exists_config_define
stat = _apache.stat
## Some constants
HTTP_CONTINUE = 100
HTTP_SWITCHING_PROTOCOLS = 101
HTTP_PROCESSING = 102
HTTP_OK = 200
HTTP_CREATED = 201
HTTP_ACCEPTED = 202
HTTP_NON_AUTHORITATIVE = 203
HTTP_NO_CONTENT = 204
HTTP_RESET_CONTENT = 205
HTTP_PARTIAL_CONTENT = 206
HTTP_MULTI_STATUS = 207
HTTP_MULTIPLE_CHOICES = 300
HTTP_MOVED_PERMANENTLY = 301
HTTP_MOVED_TEMPORARILY = 302
HTTP_SEE_OTHER = 303
HTTP_NOT_MODIFIED = 304
HTTP_USE_PROXY = 305
HTTP_TEMPORARY_REDIRECT = 307
HTTP_BAD_REQUEST = 400
HTTP_UNAUTHORIZED = 401
HTTP_PAYMENT_REQUIRED = 402
HTTP_FORBIDDEN = 403
HTTP_NOT_FOUND = 404
HTTP_METHOD_NOT_ALLOWED = 405
HTTP_NOT_ACCEPTABLE = 406
HTTP_PROXY_AUTHENTICATION_REQUIRED= 407
HTTP_REQUEST_TIME_OUT = 408
HTTP_CONFLICT = 409
HTTP_GONE = 410
HTTP_LENGTH_REQUIRED = 411
HTTP_PRECONDITION_FAILED = 412
HTTP_REQUEST_ENTITY_TOO_LARGE = 413
HTTP_REQUEST_URI_TOO_LARGE = 414
HTTP_UNSUPPORTED_MEDIA_TYPE = 415
HTTP_RANGE_NOT_SATISFIABLE = 416
HTTP_EXPECTATION_FAILED = 417
HTTP_IM_A_TEAPOT = 418
HTTP_UNPROCESSABLE_ENTITY = 422
HTTP_LOCKED = 423
HTTP_FAILED_DEPENDENCY = 424
HTTP_UPGRADE_REQUIRED = 426
HTTP_INTERNAL_SERVER_ERROR = 500
HTTP_NOT_IMPLEMENTED = 501
HTTP_BAD_GATEWAY = 502
HTTP_SERVICE_UNAVAILABLE = 503
HTTP_GATEWAY_TIME_OUT = 504
HTTP_VERSION_NOT_SUPPORTED = 505
HTTP_VARIANT_ALSO_VARIES = 506
HTTP_INSUFFICIENT_STORAGE = 507
HTTP_NOT_EXTENDED = 510