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">
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elements in the head, if write_html_head_foot is True.
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URLs should be relative to the IVLE root; they will be fixed up
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List of strings. Write a list of URLs to JS files here, and they
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will be incorporated as <script type="text/javascript"> elements
91
in the head, if write_html_head_foot is True.
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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
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will be added as window.addListener('load', ..., false); calls
97
in the head, if write_html_head_foot is True.
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This is the propper way to specify functions that need to run at
102
84
# Special code for an OK response.
107
89
# HTTP status codes
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HTTP_SWITCHING_PROTOCOLS = 101
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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
122
92
HTTP_MOVED_TEMPORARILY = 302
124
HTTP_NOT_MODIFIED = 304
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HTTP_TEMPORARY_REDIRECT = 307
127
HTTP_BAD_REQUEST = 400
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HTTP_UNAUTHORIZED = 401
129
HTTP_PAYMENT_REQUIRED = 402
130
93
HTTP_FORBIDDEN = 403
131
94
HTTP_NOT_FOUND = 404
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HTTP_METHOD_NOT_ALLOWED = 405
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HTTP_NOT_ACCEPTABLE = 406
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HTTP_PROXY_AUTHENTICATION_REQUIRED= 407
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HTTP_REQUEST_TIME_OUT = 408
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HTTP_LENGTH_REQUIRED = 411
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HTTP_PRECONDITION_FAILED = 412
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HTTP_REQUEST_ENTITY_TOO_LARGE = 413
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HTTP_REQUEST_URI_TOO_LARGE = 414
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HTTP_UNSUPPORTED_MEDIA_TYPE = 415
143
HTTP_RANGE_NOT_SATISFIABLE = 416
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HTTP_EXPECTATION_FAILED = 417
145
HTTP_UNPROCESSABLE_ENTITY = 422
147
HTTP_FAILED_DEPENDENCY = 424
148
95
HTTP_INTERNAL_SERVER_ERROR = 500
149
HTTP_NOT_IMPLEMENTED = 501
150
HTTP_BAD_GATEWAY = 502
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HTTP_SERVICE_UNAVAILABLE = 503
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HTTP_GATEWAY_TIME_OUT = 504
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HTTP_VERSION_NOT_SUPPORTED = 505
154
HTTP_VARIANT_ALSO_VARIES = 506
155
HTTP_INSUFFICIENT_STORAGE = 507
156
HTTP_NOT_EXTENDED = 510
158
97
def __init__(self, req, config):
159
98
"""Create an IVLE request from a mod_python one.
179
118
self.uri = req.uri
180
119
# Split the given path into the app (top-level dir) and sub-path
181
120
# (after first stripping away the root directory)
182
path = self.unmake_path(req.uri)
183
(self.app, self.path) = (ivle.util.split_path(path))
121
(self.app, self.path) = (ivle.util.split_path(req.uri))
185
123
self.hostname = req.hostname
186
124
self.headers_in = req.headers_in
194
132
self.status = Request.HTTP_OK
195
133
self.content_type = None # Use Apache's default
196
134
self.location = None
199
self.scripts_init = []
200
135
# In some cases we don't want the template JS (such as the username
201
136
# and public FQDN) in the output HTML. In that case, set this to 0.
202
137
self.write_javascript_settings = True
303
238
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:
323
240
def get_session(self):
324
241
"""Returns a mod_python Session object for this request.
325
242
Note that this is dependent on mod_python and may need to change
352
269
self.got_common_vars = True
353
270
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."),