/
access_api.php
487 lines (407 loc) · 16.6 KB
/
access_api.php
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
<?php
# Mantis - a php based bugtracking system
# Copyright (C) 2000 - 2002 Kenzaburo Ito - kenito@300baud.org
# Copyright (C) 2002 - 2007 Mantis Team - mantisbt-dev@lists.sourceforge.net
# Mantis is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 2 of the License, or
# (at your option) any later version.
#
# Mantis is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with Mantis. If not, see <http://www.gnu.org/licenses/>.
# --------------------------------------------------------
# $Id: access_api.php,v 1.46 2007-10-24 22:30:58 giallu Exp $
# --------------------------------------------------------
$t_core_dir = dirname( __FILE__ ).DIRECTORY_SEPARATOR;
require_once( $t_core_dir . 'constant_inc.php' );
require_once( $t_core_dir . 'helper_api.php' );
require_once( $t_core_dir . 'authentication_api.php' );
require_once( $t_core_dir . 'user_api.php' );
require_once( $t_core_dir . 'bug_api.php' );
require_once( $t_core_dir . 'project_api.php' );
### Access Control API ###
# --------------------
# Function to be called when a user is attempting to access a page that
# he/she is not authorised to. This outputs an access denied message then
# re-directs to the mainpage.
function access_denied() {
if ( !auth_is_user_authenticated() ) {
if( basename( $_SERVER['SCRIPT_NAME'] ) != 'login_page.php' ) {
$t_return_page = $_SERVER['PHP_SELF'];
if ( isset( $_SERVER['QUERY_STRING'] ) ) {
$t_return_page .= '?' . $_SERVER['QUERY_STRING'];
}
$t_return_page = string_url( string_sanitize_url( $t_return_page ) );
print_header_redirect( 'login_page.php?return=' . $t_return_page );
}
} else {
if( auth_get_current_user_id() == user_get_id_by_name( config_get_global( 'anonymous_account') ) ) {
if( basename( $_SERVER['SCRIPT_NAME'] ) != 'login_page.php' ) {
$t_return_page = $_SERVER['PHP_SELF'];
if ( isset( $_SERVER['QUERY_STRING'] ) ) {
$t_return_page .= '?' . $_SERVER['QUERY_STRING'];
}
$t_return_page = string_url( string_sanitize_url( $t_return_page ) );
echo '<center>';
echo '<p>'.error_string(ERROR_ACCESS_DENIED).'</p>';
print_bracket_link( 'login_page.php?return=' . $t_return_page, lang_get( 'click_to_login' ) );
echo '<p></p>';
print_bracket_link( 'main_page.php', lang_get( 'proceed' ) );
echo '</center>';
}
} else {
echo '<center>';
echo '<p>'.error_string(ERROR_ACCESS_DENIED).'</p>';
print_bracket_link( 'main_page.php', lang_get( 'proceed' ) );
echo '</center>';
}
}
exit;
}
#===================================
# Caching
#===================================
# SECURITY NOTE: cache globals are initialized here to prevent them
# being spoofed if register_globals is turned on
$g_cache_access_matrix = array();
$g_cache_access_matrix_project_ids = array();
$g_cache_access_matrix_user_ids = array();
# --------------------
function access_cache_matrix_project( $p_project_id ) {
global $g_cache_access_matrix, $g_cache_access_matrix_project_ids;
$c_project_id = db_prepare_int( $p_project_id );
if ( ALL_PROJECTS == $c_project_id ) {
return array();
}
if ( !in_array( (int)$p_project_id, $g_cache_access_matrix_project_ids ) ) {
$t_project_user_list_table = config_get( 'mantis_project_user_list_table' );
$query = "SELECT user_id, access_level
FROM $t_project_user_list_table
WHERE project_id='$c_project_id'";
$result = db_query( $query );
$count = db_num_rows( $result );
for ( $i=0 ; $i < $count ; $i++ ) {
$row = db_fetch_array( $result );
$g_cache_access_matrix[(int)$row['user_id']][(int)$p_project_id] = (int)$row['access_level'];
}
$g_cache_access_matrix_project_ids[] = (int)$p_project_id;
}
$t_results = array();
foreach( $g_cache_access_matrix as $t_user ) {
if ( isset( $t_user[(int)$p_project_id] ) ) {
$t_results[(int)$p_project_id] = $t_user[(int)$p_project_id];
}
}
return $t_results;
}
# --------------------
function access_cache_matrix_user( $p_user_id ) {
global $g_cache_access_matrix, $g_cache_access_matrix_user_ids;
$c_user_id = db_prepare_int( $p_user_id );
if ( !in_array( (int)$p_user_id, $g_cache_access_matrix_user_ids ) ) {
$t_project_user_list_table = config_get( 'mantis_project_user_list_table' );
$query = "SELECT project_id, access_level
FROM $t_project_user_list_table
WHERE user_id='$c_user_id'";
$result = db_query( $query );
$count = db_num_rows( $result );
# make sure we always have an array to return
$g_cache_access_matrix[(int)$p_user_id] = array();
for ( $i=0 ; $i < $count ; $i++ ) {
$row = db_fetch_array( $result );
$g_cache_access_matrix[(int)$p_user_id][(int)$row['project_id']] = (int)$row['access_level'];
}
$g_cache_access_matrix_user_ids[] = (int)$p_user_id;
}
return $g_cache_access_matrix[(int)$p_user_id];
}
#===================================
# Boolean queries and ensures
#===================================
# --------------------
# Check the a user's access against the given "threshold" and return true
# if the user can access, false otherwise.
# $p_access_level may be a single value, or an array. If it is a single
# value, treat it as a threshold so return true if user is >= threshold.
# If it is an array, look for exact matches to one of the values
function access_compare_level( $p_user_access_level, $p_threshold=NOBODY ) {
if ( is_array( $p_threshold ) ) {
return ( in_array( $p_user_access_level, $p_threshold ) );
} else {
return ( $p_user_access_level >= $p_threshold );
}
}
# --------------------
# Get the current user's access
#
# This function only checks the user's global access level, ignoring any
# overrides they might have at a project level
function access_get_global_level( $p_user_id = null ) {
if ( $p_user_id === null ) {
$p_user_id = auth_get_current_user_id();
}
# Deal with not logged in silently in this case
# @@@ we may be able to remove this and just error
# and once we default to anon login, we can remove it for sure
if ( !auth_is_user_authenticated() ) {
return false;
}
return user_get_field( $p_user_id, 'access_level' );
}
# --------------------
# Check the current user's access against the given value and return true
# if the user's access is equal to or higher, false otherwise.
#
function access_has_global_level( $p_access_level, $p_user_id = null ) {
# Short circuit the check in this case
if ( NOBODY == $p_access_level ) {
return false;
}
if ( $p_user_id === null ) {
$p_user_id = auth_get_current_user_id();
}
$t_access_level = access_get_global_level( $p_user_id );
return access_compare_level( $t_access_level, $p_access_level ) ;
}
# --------------------
# Check if the user has the specified global access level
# and deny access to the page if not
function access_ensure_global_level( $p_access_level, $p_user_id = null ) {
if ( !access_has_global_level( $p_access_level, $p_user_id ) ) {
access_denied();
}
}
# --------------------
# Get the current user's access level
#
# This function checks the project access level first (for the current project
# if none is specified) and if the user is not listed, it falls back on the
# user's global access level.
function access_get_project_level( $p_project_id = null, $p_user_id = null ) {
# Deal with not logged in silently in this case
# @@@ we may be able to remove this and just error
# and once we default to anon login, we can remove it for sure
if ( !auth_is_user_authenticated() ) {
return ANYBODY;
}
if ( null === $p_user_id ) {
$p_user_id = auth_get_current_user_id();
}
if ( null === $p_project_id ) {
$p_project_id = helper_get_current_project();
}
$t_global_access_level = access_get_global_level( $p_user_id );
if ( ( ALL_PROJECTS == $p_project_id ) || ( ADMINISTRATOR == $t_global_access_level ) ) {
return $t_global_access_level;
} else {
$t_project_access_level = access_get_local_level( $p_user_id, $p_project_id );
$t_project_view_state = project_get_field( $p_project_id, 'view_state' );
# Try to use the project access level.
# If the user is not listed in the project, then try to fall back
# to the global access level
if ( false === $t_project_access_level ) {
# If the project is private and the user isn't listed, then they
# must have the private_project_threshold access level to get in.
if ( VS_PRIVATE == $t_project_view_state ) {
if ( access_compare_level( $t_global_access_level, config_get( 'private_project_threshold', null, null, ALL_PROJECTS ) ) ) {
return $t_global_access_level;
} else {
return ANYBODY;
}
} else {
# project access not set, but the project is public
return $t_global_access_level;
}
} else {
# project specific access was set
return $t_project_access_level;
}
}
}
# --------------------
# Check the current user's access against the given value and return true
# if the user's access is equal to or higher, false otherwise.
#
function access_has_project_level( $p_access_level, $p_project_id = null, $p_user_id = null ) {
# Short circuit the check in this case
if ( NOBODY == $p_access_level ) {
return false;
}
if ( null === $p_user_id ) {
$p_user_id = auth_get_current_user_id();
}
if ( null === $p_project_id ) {
$p_project_id = helper_get_current_project();
}
$t_access_level = access_get_project_level( $p_project_id, $p_user_id );
return access_compare_level( $t_access_level, $p_access_level ) ;
}
# --------------------
# Check if the user has the specified access level for the given project
# and deny access to the page if not
function access_ensure_project_level( $p_access_level, $p_project_id = null, $p_user_id = null ) {
if ( !access_has_project_level( $p_access_level, $p_project_id, $p_user_id ) ) {
access_denied();
}
}
# --------------------
# Check whether the user has the specified access level for any project project
function access_has_any_project( $p_access_level, $p_user_id = null ) {
# Short circuit the check in this case
if ( NOBODY == $p_access_level ) {
return false;
}
if ( null === $p_user_id ) {
$p_user_id = auth_get_current_user_id();
}
$t_access = false;
$t_projects = project_get_all_rows();
foreach ( $t_projects as $t_project ) {
$t_access = $t_access || access_has_project_level( $p_access_level, $t_project['id'], $p_user_id );
}
return ( $t_access );
}
# --------------------
# Check the current user's access against the given value and return true
# if the user's access is equal to or higher, false otherwise.
#
# This function looks up the bug's project and performs an access check
# against that project
function access_has_bug_level( $p_access_level, $p_bug_id, $p_user_id = null ) {
# Deal with not logged in silently in this case
# @@@ we may be able to remove this and just error
# and once we default to anon login, we can remove it for sure
if ( !auth_is_user_authenticated() ) {
return false;
}
if ( $p_user_id === null ) {
$p_user_id = auth_get_current_user_id();
}
$t_project_id = bug_get_field( $p_bug_id, 'project_id' );
# check limit_Reporter (Issue #4769)
# reporters can view just issues they reported
$t_limit_reporters = config_get( 'limit_reporters' );
if ( ( ON === $t_limit_reporters ) &&
( !bug_is_user_reporter( $p_bug_id, $p_user_id ) ) &&
( !access_has_project_level( REPORTER + 1, $t_project_id, $p_user_id ) ) ) {
return false;
}
# If the bug is private and the user is not the reporter, then the
# the user must also have higher access than private_bug_threshold
if ( VS_PRIVATE == bug_get_field( $p_bug_id, 'view_state' ) &&
!bug_is_user_reporter( $p_bug_id, $p_user_id ) ) {
$p_access_level = max( $p_access_level, config_get( 'private_bug_threshold' ) );
}
return access_has_project_level( $p_access_level, $t_project_id, $p_user_id );
}
# --------------------
# Check if the user has the specified access level for the given bug
# and deny access to the page if not
function access_ensure_bug_level( $p_access_level, $p_bug_id, $p_user_id=null ) {
if ( !access_has_bug_level( $p_access_level, $p_bug_id, $p_user_id ) ) {
access_denied();
}
}
# --------------------
# Check the current user's access against the given value and return true
# if the user's access is equal to or higher, false otherwise.
#
# This function looks up the bugnote's bug and performs an access check
# against that bug
function access_has_bugnote_level( $p_access_level, $p_bugnote_id, $p_user_id=null ) {
if ( null===$p_user_id ) {
$p_user_id = auth_get_current_user_id();
}
# If the bug is private and the user is not the reporter, then the
# the user must also have higher access than private_bug_threshold
if ( VS_PRIVATE == bugnote_get_field( $p_bugnote_id, 'view_state' ) &&
!bugnote_is_user_reporter( $p_bugnote_id, $p_user_id ) ) {
$p_access_level = max( $p_access_level, config_get( 'private_bugnote_threshold' ) );
}
$t_bug_id = bugnote_get_field( $p_bugnote_id, 'bug_id' );
return access_has_bug_level( $p_access_level, $t_bug_id, $p_user_id );
}
# --------------------
# Check if the user has the specified access level for the given bugnote
# and deny access to the page if not
function access_ensure_bugnote_level( $p_access_level, $p_bugnote_id, $p_user_id=null ) {
if ( !access_has_bugnote_level( $p_access_level, $p_bugnote_id, $p_user_id ) ) {
access_denied();
}
}
# --------------------
# Check if the current user can close the specified bug
function access_can_close_bug ( $p_bug_id, $p_user_id=null ) {
if ( null===$p_user_id ) {
$p_user_id = auth_get_current_user_id();
}
# If allow_reporter_close is enabled, then reporters can always close
# their own bugs
if ( ON == config_get( 'allow_reporter_close' ) &&
bug_is_user_reporter( $p_bug_id, $p_user_id ) ) {
return true;
}
return access_has_bug_level( access_get_status_threshold( CLOSED ), $p_bug_id, $p_user_id );
}
# --------------------
# Make sure that the current user can close the specified bug
# See access_can_close_bug() for details.
function access_ensure_can_close_bug( $p_bug_id, $p_user_id=null ) {
if ( !access_can_close_bug( $p_bug_id, $p_user_id ) ) {
access_denied();
}
}
# --------------------
# Check if the current user can reopen the specified bug
function access_can_reopen_bug ( $p_bug_id, $p_user_id=null ) {
if ( $p_user_id === null ) {
$p_user_id = auth_get_current_user_id();
}
# If allow_reporter_reopen is enabled, then reporters can always reopen
# their own bugs
if ( ON == config_get( 'allow_reporter_reopen' ) &&
bug_is_user_reporter( $p_bug_id, $p_user_id ) ) {
return true;
}
return access_has_bug_level( config_get( 'reopen_bug_threshold' ), $p_bug_id, $p_user_id );
}
# --------------------
# Make sure that the current user can reopen the specified bug
# See access_can_reopen_bug() for details.
function access_ensure_can_reopen_bug( $p_bug_id, $p_user_id=null ) {
if ( !access_can_reopen_bug( $p_bug_id, $p_user_id ) ) {
access_denied();
}
}
#===================================
# Data Access
#===================================
# get the user's access level specific to this project.
# return false (0) if the user has no access override here
function access_get_local_level( $p_user_id, $p_project_id ) {
$p_project_id = (int)$p_project_id; # 000001 is different from 1.
$t_project_level = access_cache_matrix_user( $p_user_id );
if ( isset( $t_project_level[$p_project_id] ) ) {
return $t_project_level[$p_project_id];
} else {
return false;
}
}
# --------------------
# get the access level required to change the issue to the new status
# If there is no specific differentiated access level, use the
# generic update_bug_status_threshold
function access_get_status_threshold( $p_status, $p_project_id = ALL_PROJECTS ) {
$t_thresh_array = config_get( 'set_status_threshold' );
if ( isset( $t_thresh_array[ $p_status ] ) ) {
return $t_thresh_array[$p_status];
} else {
return config_get( 'update_bug_status_threshold' );
}
}
?>