80
80
String. Response "Location" header value. Used with HTTP redirect
83
List of strings. Write a list of URLs to CSS files here, and they
84
will be incorporated as <link rel="stylesheet" type="text/css">
85
elements in the head, if write_html_head_foot is True.
86
URLs should be relative to the IVLE root; they will be fixed up
89
List of strings. Write a list of URLs to JS files here, and they
90
will be incorporated as <script type="text/javascript"> elements
91
in the head, if write_html_head_foot is True.
92
URLs should be relative to the IVLE root; they will be fixed up
95
List of strings. Write a list of JS function names, and they
96
will be added as window.addListener('load', ..., false); calls
97
in the head, if write_html_head_foot is True.
98
This is the propper way to specify functions that need to run at
84
102
# Special code for an OK response.
89
107
# HTTP status codes
110
HTTP_SWITCHING_PROTOCOLS = 101
111
HTTP_PROCESSING = 102
115
HTTP_NON_AUTHORITATIVE = 203
116
HTTP_NO_CONTENT = 204
117
HTTP_RESET_CONTENT = 205
118
HTTP_PARTIAL_CONTENT = 206
119
HTTP_MULTI_STATUS = 207
120
HTTP_MULTIPLE_CHOICES = 300
121
HTTP_MOVED_PERMANENTLY = 301
92
122
HTTP_MOVED_TEMPORARILY = 302
124
HTTP_NOT_MODIFIED = 304
126
HTTP_TEMPORARY_REDIRECT = 307
127
HTTP_BAD_REQUEST = 400
128
HTTP_UNAUTHORIZED = 401
129
HTTP_PAYMENT_REQUIRED = 402
93
130
HTTP_FORBIDDEN = 403
94
131
HTTP_NOT_FOUND = 404
132
HTTP_METHOD_NOT_ALLOWED = 405
133
HTTP_NOT_ACCEPTABLE = 406
134
HTTP_PROXY_AUTHENTICATION_REQUIRED= 407
135
HTTP_REQUEST_TIME_OUT = 408
138
HTTP_LENGTH_REQUIRED = 411
139
HTTP_PRECONDITION_FAILED = 412
140
HTTP_REQUEST_ENTITY_TOO_LARGE = 413
141
HTTP_REQUEST_URI_TOO_LARGE = 414
142
HTTP_UNSUPPORTED_MEDIA_TYPE = 415
143
HTTP_RANGE_NOT_SATISFIABLE = 416
144
HTTP_EXPECTATION_FAILED = 417
145
HTTP_UNPROCESSABLE_ENTITY = 422
147
HTTP_FAILED_DEPENDENCY = 424
95
148
HTTP_INTERNAL_SERVER_ERROR = 500
149
HTTP_NOT_IMPLEMENTED = 501
150
HTTP_BAD_GATEWAY = 502
151
HTTP_SERVICE_UNAVAILABLE = 503
152
HTTP_GATEWAY_TIME_OUT = 504
153
HTTP_VERSION_NOT_SUPPORTED = 505
154
HTTP_VARIANT_ALSO_VARIES = 506
155
HTTP_INSUFFICIENT_STORAGE = 507
156
HTTP_NOT_EXTENDED = 510
97
158
def __init__(self, req, config):
98
159
"""Create an IVLE request from a mod_python one.
118
179
self.uri = req.uri
119
180
# Split the given path into the app (top-level dir) and sub-path
120
181
# (after first stripping away the root directory)
121
(self.app, self.path) = (ivle.util.split_path(req.uri))
182
path = self.unmake_path(req.uri)
183
(self.app, self.path) = (ivle.util.split_path(path))
123
185
self.hostname = req.hostname
124
186
self.headers_in = req.headers_in
132
194
self.status = Request.HTTP_OK
133
195
self.content_type = None # Use Apache's default
134
196
self.location = None
199
self.scripts_init = []
135
200
# In some cases we don't want the template JS (such as the username
136
201
# and public FQDN) in the output HTML. In that case, set this to 0.
137
202
self.write_javascript_settings = True
238
303
return os.path.join(self.config['urls']['root'], path)
305
def unmake_path(self, path):
306
"""Strip the IVLE URL prefix from the given path, if present.
308
Also normalises the path.
310
This method is DEPRECATED. We no longer support use of a prefix.
312
path = os.path.normpath(path)
313
root = os.path.normpath(self.config['urls']['root'])
315
if path.startswith(root):
316
path = path[len(root):]
317
# Take out the slash as well
318
if len(path) > 0 and path[0] == os.sep:
240
323
def get_session(self):
241
324
"""Returns a mod_python Session object for this request.
242
325
Note that this is dependent on mod_python and may need to change
269
352
self.got_common_vars = True
270
353
return self.apache_req.subprocess_env
356
def get_http_codename(code):
357
"""Given a HTTP error code int, returns a (name, description)
358
pair, suitable for displaying to the user.
359
May return (None,None) if code is unknown.
360
Only lists common 4xx and 5xx codes (since this is just used
361
to display throw_error error messages).
364
return http_codenames[code]
368
# Human strings for HTTP response codes
370
Request.HTTP_BAD_REQUEST:
372
"Your browser sent a request IVLE did not understand."),
373
Request.HTTP_UNAUTHORIZED:
375
"You are not allowed to view this part of IVLE."),
376
Request.HTTP_FORBIDDEN:
378
"You are not allowed to view this part of IVLE."),
379
Request.HTTP_NOT_FOUND:
381
"The application or file you requested does not exist."),
382
Request.HTTP_METHOD_NOT_ALLOWED:
383
("Method Not Allowed",
384
"Your browser is interacting with IVLE in the wrong way."
385
"This is probably a bug in IVLE. "
386
"Please report it to the administrators."),
387
Request.HTTP_INTERNAL_SERVER_ERROR:
388
("Internal Server Error",
389
"An unknown error occured in IVLE."),
390
Request.HTTP_NOT_IMPLEMENTED:
392
"The application or file you requested has not been implemented "
394
Request.HTTP_SERVICE_UNAVAILABLE:
395
("Service Unavailable",
396
"IVLE is currently experiencing technical difficulties. "
397
"Please try again later."),