43
43
String. The path specified in the URL *not including* the
44
44
application or the IVLE location prefix. eg. a URL of
45
45
"/ivle/files/joe/myfiles" has a path of "joe/myfiles".
47
String. Login name of the user who is currently logged in, or
47
User object. Details of the user who is currently logged in, or
50
50
String. Hostname the server is running on.
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185
(self.app, self.path) = (common.util.split_path(path))
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self.hostname = req.hostname
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self.headers_in = req.headers_in
189
189
self.headers_out = req.headers_out
225
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if not self.headers_written:
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226
self.__writeheaders()
227
self.apache_req.write(string, flush)
227
if isinstance(string, unicode):
228
# Encode unicode strings as UTF-8
229
# (Otherwise cannot handle being written to a bytestream)
230
self.apache_req.write(string.encode('utf8'), flush)
232
# 8-bit clean strings just get written directly.
233
# This includes binary strings.
234
self.apache_req.write(string, flush)
230
237
"""Flushes the output buffer."""
245
252
return self.apache_req.read(len)
247
def throw_error(self, httpcode):
254
def throw_error(self, httpcode, message=None):
248
255
"""Writes out an HTTP error of the specified code. Raises an exception
249
256
which is caught by the dispatch or web server, so any code following
250
257
this call will not be executed.
252
259
httpcode: An HTTP response status code. Pass a constant from the
255
raise mod_python.apache.SERVER_RETURN, httpcode
262
raise common.util.IVLEError(httpcode, message)
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264
def throw_redirect(self, location):
258
265
"""Writes out an HTTP redirect to the specified URL. Raises an
265
272
mod_python.util.redirect(self.apache_req, location)
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def add_cookie(self, cookie, value=None, **attributes):
275
"""Inserts a cookie into this request object's headers."""
277
Cookie.add_cookie(self.apache_req, cookie)
279
Cookie.add_cookie(self.apache_req, cookie, value, **attributes)
267
281
def get_session(self):
268
282
"""Returns a mod_python Session object for this request.
269
283
Note that this is dependent on mod_python and may need to change
270
284
interface if porting away from mod_python."""
271
# Cache the session object
285
# Cache the session object and set the timeout to 24 hours.
272
286
if not hasattr(self, 'session'):
273
self.session = Session.Session(self.apache_req)
287
self.session = Session.FileSession(self.apache_req,
288
timeout = 60 * 60 * 24)
274
289
return self.session
276
291
def get_fieldstorage(self):
290
305
self.apache_req.add_common_vars()
291
306
self.got_common_vars = True
292
307
return self.apache_req.subprocess_env
310
def get_http_codename(code):
311
"""Given a HTTP error code int, returns a (name, description)
312
pair, suitable for displaying to the user.
313
May return (None,None) if code is unknown.
314
Only lists common 4xx and 5xx codes (since this is just used
315
to display throw_error error messages).
318
return http_codenames[code]
322
# Human strings for HTTP response codes
324
Request.HTTP_BAD_REQUEST:
326
"Your browser sent a request IVLE did not understand."),
327
Request.HTTP_UNAUTHORIZED:
329
"You are not allowed to view this part of IVLE."),
330
Request.HTTP_FORBIDDEN:
332
"You are not allowed to view this part of IVLE."),
333
Request.HTTP_NOT_FOUND:
335
"The application or file you requested does not exist."),
336
Request.HTTP_METHOD_NOT_ALLOWED:
337
("Method Not Allowed",
338
"Your browser is interacting with IVLE in the wrong way."
339
"This is probably a bug in IVLE. "
340
"Please report it to the administrators."),
341
Request.HTTP_INTERNAL_SERVER_ERROR:
342
("Internal Server Error",
343
"An unknown error occured in IVLE."),
344
Request.HTTP_NOT_IMPLEMENTED:
346
"The application or file you requested has not been implemented "
348
Request.HTTP_SERVICE_UNAVAILABLE:
349
("Service Unavailable",
350
"IVLE is currently experiencing technical difficulties. "
351
"Please try again later."),