79
80
String. Response "Location" header value. Used with HTTP redirect
82
List of strings. Write a list of URLs to CSS files here, and they
83
will be incorporated as <link rel="stylesheet" type="text/css">
84
elements in the head, if write_html_head_foot is True.
85
URLs should be relative to the IVLE root; they will be fixed up
88
List of strings. Write a list of URLs to JS files here, and they
89
will be incorporated as <script type="text/javascript"> elements
90
in the head, if write_html_head_foot is True.
91
URLs should be relative to the IVLE root; they will be fixed up
94
List of strings. Write a list of JS function names, and they
95
will be added as window.addListener('load', ..., false); calls
96
in the head, if write_html_head_foot is True.
97
This is the propper way to specify functions that need to run at
101
84
# Special code for an OK response.
106
89
# HTTP status codes
109
HTTP_SWITCHING_PROTOCOLS = 101
110
HTTP_PROCESSING = 102
114
HTTP_NON_AUTHORITATIVE = 203
115
HTTP_NO_CONTENT = 204
116
HTTP_RESET_CONTENT = 205
117
HTTP_PARTIAL_CONTENT = 206
118
HTTP_MULTI_STATUS = 207
119
HTTP_MULTIPLE_CHOICES = 300
120
HTTP_MOVED_PERMANENTLY = 301
121
92
HTTP_MOVED_TEMPORARILY = 302
123
HTTP_NOT_MODIFIED = 304
125
HTTP_TEMPORARY_REDIRECT = 307
126
HTTP_BAD_REQUEST = 400
127
HTTP_UNAUTHORIZED = 401
128
HTTP_PAYMENT_REQUIRED = 402
129
93
HTTP_FORBIDDEN = 403
130
94
HTTP_NOT_FOUND = 404
131
HTTP_METHOD_NOT_ALLOWED = 405
132
HTTP_NOT_ACCEPTABLE = 406
133
HTTP_PROXY_AUTHENTICATION_REQUIRED= 407
134
HTTP_REQUEST_TIME_OUT = 408
137
HTTP_LENGTH_REQUIRED = 411
138
HTTP_PRECONDITION_FAILED = 412
139
HTTP_REQUEST_ENTITY_TOO_LARGE = 413
140
HTTP_REQUEST_URI_TOO_LARGE = 414
141
HTTP_UNSUPPORTED_MEDIA_TYPE = 415
142
HTTP_RANGE_NOT_SATISFIABLE = 416
143
HTTP_EXPECTATION_FAILED = 417
144
HTTP_UNPROCESSABLE_ENTITY = 422
146
HTTP_FAILED_DEPENDENCY = 424
147
95
HTTP_INTERNAL_SERVER_ERROR = 500
148
HTTP_NOT_IMPLEMENTED = 501
149
HTTP_BAD_GATEWAY = 502
150
HTTP_SERVICE_UNAVAILABLE = 503
151
HTTP_GATEWAY_TIME_OUT = 504
152
HTTP_VERSION_NOT_SUPPORTED = 505
153
HTTP_VARIANT_ALSO_VARIES = 506
154
HTTP_INSUFFICIENT_STORAGE = 507
155
HTTP_NOT_EXTENDED = 510
157
def __init__(self, req):
158
"""Builds an IVLE request object from a mod_python request object.
159
This results in an object with all of the necessary methods and
162
req: A mod_python request object.
97
def __init__(self, req, config):
98
"""Create an IVLE request from a mod_python one.
100
@param req: A mod_python request.
101
@param config: An IVLE configuration.
165
104
# Methods are mostly wrappers around the Apache request object
166
105
self.apache_req = req
167
107
self.headers_written = False
169
109
# Determine if the browser used the public host name to make the
170
110
# request (in which case we are in "public mode")
171
if req.hostname == ivle.conf.public_host:
111
if req.hostname == config['urls']['public_host']:
172
112
self.publicmode = True
174
114
self.publicmode = False
178
118
self.uri = req.uri
179
119
# Split the given path into the app (top-level dir) and sub-path
180
120
# (after first stripping away the root directory)
181
path = ivle.util.unmake_path(req.uri)
182
(self.app, self.path) = (ivle.util.split_path(path))
121
(self.app, self.path) = (ivle.util.split_path(req.uri))
184
123
self.hostname = req.hostname
185
124
self.headers_in = req.headers_in
188
127
# Open a database connection and transaction, keep it around for users
189
128
# of the Request object to use
190
self.store = ivle.database.get_store()
129
self.store = ivle.database.get_store(config)
192
131
# Default values for the output members
193
132
self.status = Request.HTTP_OK
194
133
self.content_type = None # Use Apache's default
195
134
self.location = None
198
self.scripts_init = []
199
135
# In some cases we don't want the template JS (such as the username
200
136
# and public FQDN) in the output HTML. In that case, set this to 0.
201
137
self.write_javascript_settings = True
293
229
mod_python.Cookie.add_cookie(self.apache_req, cookie, value, **attributes)
231
def make_path(self, path):
232
"""Prepend the IVLE URL prefix to the given path.
234
This is used when generating URLs to send to the client.
236
This method is DEPRECATED. We no longer support use of a prefix.
238
return os.path.join(self.config['urls']['root'], path)
295
240
def get_session(self):
296
241
"""Returns a mod_python Session object for this request.
297
242
Note that this is dependent on mod_python and may need to change
298
interface if porting away from mod_python."""
243
interface if porting away from mod_python.
245
IMPORTANT: Call unlock() on the session as soon as you are done with
246
it! If you don't, all other requests will block!
299
248
# Cache the session object and set the timeout to 24 hours.
300
249
if not hasattr(self, 'session'):
301
250
self.session = mod_python.Session.FileSession(self.apache_req,
320
269
self.got_common_vars = True
321
270
return self.apache_req.subprocess_env
324
def get_http_codename(code):
325
"""Given a HTTP error code int, returns a (name, description)
326
pair, suitable for displaying to the user.
327
May return (None,None) if code is unknown.
328
Only lists common 4xx and 5xx codes (since this is just used
329
to display throw_error error messages).
332
return http_codenames[code]
336
# Human strings for HTTP response codes
338
Request.HTTP_BAD_REQUEST:
340
"Your browser sent a request IVLE did not understand."),
341
Request.HTTP_UNAUTHORIZED:
343
"You are not allowed to view this part of IVLE."),
344
Request.HTTP_FORBIDDEN:
346
"You are not allowed to view this part of IVLE."),
347
Request.HTTP_NOT_FOUND:
349
"The application or file you requested does not exist."),
350
Request.HTTP_METHOD_NOT_ALLOWED:
351
("Method Not Allowed",
352
"Your browser is interacting with IVLE in the wrong way."
353
"This is probably a bug in IVLE. "
354
"Please report it to the administrators."),
355
Request.HTTP_INTERNAL_SERVER_ERROR:
356
("Internal Server Error",
357
"An unknown error occured in IVLE."),
358
Request.HTTP_NOT_IMPLEMENTED:
360
"The application or file you requested has not been implemented "
362
Request.HTTP_SERVICE_UNAVAILABLE:
363
("Service Unavailable",
364
"IVLE is currently experiencing technical difficulties. "
365
"Please try again later."),
added
removed
ivle/dispatch/request.py
