This project does not seem to handle request data directly as such no vulnerable execution paths were found.
include
, or for example
via PHP's auto-loading mechanism.
These results are based on our legacy PHP analysis, consider migrating to our new PHP analysis engine instead. Learn more
1 | <?php |
||
2 | /** |
||
3 | * Elgg page owner library |
||
4 | * Contains functions for managing page ownership and context |
||
5 | * |
||
6 | * @package Elgg.Core |
||
7 | * @subpackage PageOwner |
||
8 | */ |
||
9 | |||
10 | /** |
||
11 | * Gets the guid of the entity that owns the current page. |
||
12 | * |
||
13 | * @param int $guid Optional parameter used by elgg_set_page_owner_guid(). |
||
14 | * |
||
15 | * @return int The current page owner guid (0 if none). |
||
16 | * @since 1.8.0 |
||
17 | */ |
||
18 | function elgg_get_page_owner_guid($guid = 0) { |
||
19 | 1 | static $page_owner_guid; |
|
20 | |||
21 | 1 | if ($guid === false || $guid === null) { |
|
22 | 1 | $page_owner_guid = 0; |
|
23 | 1 | return $page_owner_guid; |
|
24 | } |
||
25 | |||
26 | 1 | if ($guid) { |
|
27 | 1 | $page_owner_guid = (int)$guid; |
|
28 | 1 | } |
|
29 | |||
30 | 1 | if (isset($page_owner_guid)) { |
|
31 | 1 | return $page_owner_guid; |
|
32 | } |
||
33 | |||
34 | // return guid of page owner entity |
||
35 | $guid = (int)elgg_trigger_plugin_hook('page_owner', 'system', null, 0); |
||
36 | |||
37 | if ($guid) { |
||
38 | $page_owner_guid = $guid; |
||
39 | } |
||
40 | |||
41 | return $guid; |
||
42 | } |
||
43 | |||
44 | /** |
||
45 | * Gets the owner entity for the current page. |
||
46 | * |
||
47 | * @return \ElggEntity|false The current page owner or false if none. |
||
48 | * |
||
49 | * @since 1.8.0 |
||
50 | */ |
||
51 | function elgg_get_page_owner_entity() { |
||
52 | $guid = elgg_get_page_owner_guid(); |
||
53 | if (!$guid) { |
||
54 | return false; |
||
55 | } |
||
56 | |||
57 | return get_entity($guid); |
||
58 | } |
||
59 | |||
60 | /** |
||
61 | * Set the guid of the entity that owns this page |
||
62 | * |
||
63 | * @param int $guid The guid of the page owner |
||
64 | * @return void |
||
65 | * @since 1.8.0 |
||
66 | */ |
||
67 | function elgg_set_page_owner_guid($guid) { |
||
68 | 1 | elgg_get_page_owner_guid($guid); |
|
69 | 1 | } |
|
70 | |||
71 | /** |
||
72 | * Sets the page owner based on request |
||
73 | * |
||
74 | * Tries to figure out the page owner by looking at the URL or a request |
||
75 | * parameter. The request parameters used are 'username' and 'owner_guid'. |
||
76 | * Otherwise, this function attempts to figure out the owner if the url |
||
77 | * fits the patterns of: |
||
78 | * <identifier>/owner/<username> |
||
79 | * <identifier>/friends/<username> |
||
80 | * <identifier>/view/<entity guid> |
||
81 | * <identifier>/add/<container guid> |
||
82 | * <identifier>/edit/<entity guid> |
||
83 | * <identifier>/group/<group guid> |
||
84 | * |
||
85 | * @note Access is disabled while finding the page owner for the group gatekeeper functions. |
||
86 | * |
||
87 | * |
||
88 | * @param string $hook 'page_owner' |
||
89 | * @param string $entity_type 'system' |
||
90 | * @param int $returnvalue Previous function's return value |
||
91 | * @param array $params no parameters |
||
92 | * |
||
93 | * @return int GUID |
||
94 | * @access private |
||
95 | */ |
||
96 | function default_page_owner_handler($hook, $entity_type, $returnvalue, $params) { |
||
97 | |||
98 | if ($returnvalue) { |
||
99 | return $returnvalue; |
||
100 | } |
||
101 | |||
102 | $ia = elgg_set_ignore_access(true); |
||
103 | |||
104 | $username = get_input("username"); |
||
105 | if ($username) { |
||
106 | // @todo using a username of group:<guid> is deprecated |
||
107 | if (substr_count($username, 'group:')) { |
||
108 | preg_match('/group\:([0-9]+)/i', $username, $matches); |
||
109 | $guid = $matches[1]; |
||
110 | if ($entity = get_entity($guid)) { |
||
111 | elgg_set_ignore_access($ia); |
||
112 | return $entity->getGUID(); |
||
113 | } |
||
114 | } |
||
115 | |||
116 | if ($user = get_user_by_username($username)) { |
||
117 | elgg_set_ignore_access($ia); |
||
118 | return $user->getGUID(); |
||
119 | } |
||
120 | } |
||
121 | |||
122 | $owner = get_input("owner_guid"); |
||
123 | if ($owner) { |
||
124 | if ($user = get_entity($owner)) { |
||
125 | elgg_set_ignore_access($ia); |
||
126 | return $user->getGUID(); |
||
127 | } |
||
128 | } |
||
129 | |||
130 | // ignore root and query |
||
131 | $uri = current_page_url(); |
||
132 | $path = str_replace(elgg_get_site_url(), '', $uri); |
||
133 | $path = trim($path, "/"); |
||
134 | if (strpos($path, "?")) { |
||
135 | $path = substr($path, 0, strpos($path, "?")); |
||
136 | } |
||
137 | |||
138 | // @todo feels hacky |
||
139 | $segments = explode('/', $path); |
||
140 | if (isset($segments[1]) && isset($segments[2])) { |
||
141 | switch ($segments[1]) { |
||
142 | case 'owner': |
||
143 | case 'friends': |
||
144 | $user = get_user_by_username($segments[2]); |
||
145 | if ($user) { |
||
146 | elgg_set_ignore_access($ia); |
||
147 | return $user->getGUID(); |
||
148 | } |
||
149 | break; |
||
150 | case 'view': |
||
151 | case 'edit': |
||
152 | $entity = get_entity($segments[2]); |
||
153 | if ($entity) { |
||
154 | elgg_set_ignore_access($ia); |
||
155 | return $entity->getContainerGUID(); |
||
156 | } |
||
157 | break; |
||
158 | case 'add': |
||
159 | case 'group': |
||
160 | $entity = get_entity($segments[2]); |
||
161 | if ($entity) { |
||
162 | elgg_set_ignore_access($ia); |
||
163 | return $entity->getGUID(); |
||
164 | } |
||
165 | break; |
||
166 | } |
||
167 | } |
||
168 | |||
169 | elgg_set_ignore_access($ia); |
||
170 | } |
||
171 | |||
172 | /** |
||
173 | * Sets the page context |
||
174 | * |
||
175 | * Views can modify their output based on the local context. You may want to |
||
176 | * display a list of blogs on a blog page or in a small widget. The rendered |
||
177 | * output could be different for those two contexts ('blog' vs 'widget'). |
||
178 | * |
||
179 | * Pages that pass through the page handling system set the context to the |
||
180 | * first string after the root url. Example: http://example.org/elgg/bookmarks/ |
||
181 | * results in the initial context being set to 'bookmarks'. |
||
182 | * |
||
183 | * The context is a stack so that for a widget on a profile, the context stack |
||
184 | * may contain first 'profile' and then 'widget'. |
||
185 | * |
||
186 | * If no context was been set, the default context returned is 'main'. |
||
187 | * |
||
188 | * @warning The context is not available until the page_handler runs (after |
||
189 | * the 'init, system' event processing has completed). |
||
190 | * |
||
191 | * @param string $context The context of the page |
||
192 | * @return bool |
||
193 | * @since 1.8.0 |
||
194 | */ |
||
195 | function elgg_set_context($context) { |
||
196 | 1 | return _elgg_services()->context->set($context); |
|
197 | } |
||
198 | |||
199 | /** |
||
200 | * Get the current context. |
||
201 | * |
||
202 | * Since context is a stack, this is equivalent to a peek. |
||
203 | * |
||
204 | * @return string|null |
||
205 | * @since 1.8.0 |
||
206 | */ |
||
207 | function elgg_get_context() { |
||
208 | 2 | return _elgg_services()->context->peek(); |
|
209 | } |
||
210 | |||
211 | /** |
||
212 | * Push a context onto the top of the stack |
||
213 | * |
||
214 | * @param string $context The context string to add to the context stack |
||
215 | * @return void |
||
216 | * @since 1.8.0 |
||
217 | */ |
||
218 | function elgg_push_context($context) { |
||
219 | 14 | _elgg_services()->context->push($context); |
|
220 | 14 | } |
|
221 | |||
222 | /** |
||
223 | * Removes and returns the top context string from the stack |
||
224 | * |
||
225 | * @return string|null |
||
226 | * @since 1.8.0 |
||
227 | */ |
||
228 | function elgg_pop_context() { |
||
229 | 15 | return _elgg_services()->context->pop(); |
|
230 | } |
||
231 | |||
232 | /** |
||
233 | * Check if this context exists anywhere in the stack |
||
234 | * |
||
235 | * This is useful for situations with more than one element in the stack. For |
||
236 | * example, a widget has a context of 'widget'. If a widget view needs to render |
||
237 | * itself differently based on being on the dashboard or profile pages, it |
||
238 | * can check the stack. |
||
239 | * |
||
240 | * @param string $context The context string to check for |
||
241 | * @return bool |
||
242 | * @since 1.8.0 |
||
243 | */ |
||
244 | function elgg_in_context($context) { |
||
245 | 3 | return _elgg_services()->context->contains($context); |
|
246 | } |
||
247 | |||
248 | /** |
||
249 | * Get the entire context stack (e.g. for backing it up) |
||
250 | * |
||
251 | * @return string[] |
||
252 | * @since 1.11 |
||
253 | */ |
||
254 | function elgg_get_context_stack() { |
||
255 | return _elgg_services()->context->toArray(); |
||
256 | } |
||
257 | |||
258 | /** |
||
259 | * Set the entire context stack |
||
260 | * |
||
261 | * @param string[] $stack All contexts to be placed on the stack |
||
262 | * @return void |
||
263 | * @since 1.11 |
||
264 | */ |
||
265 | function elgg_set_context_stack(array $stack) { |
||
266 | _elgg_services()->context->fromArray($stack); |
||
267 | } |
||
268 | |||
269 | /** |
||
270 | * Initializes the page owner functions |
||
271 | * |
||
272 | * @note This is on the 'boot, system' event so that the context is set up quickly. |
||
273 | * |
||
274 | * @return void |
||
275 | * @access private |
||
276 | */ |
||
277 | function page_owner_boot() { |
||
278 | |||
279 | elgg_register_plugin_hook_handler('page_owner', 'system', 'default_page_owner_handler'); |
||
280 | |||
281 | // Bootstrap the context stack by setting its first entry to the handler. |
||
282 | // This is the first segment of the URL and the handler is set by the rewrite rules. |
||
283 | // @todo this does not work for actions |
||
284 | |||
285 | $request = _elgg_services()->request; |
||
286 | |||
287 | // don't do this for *_handler.php, etc. |
||
288 | if (basename($request->server->get('SCRIPT_FILENAME')) === 'index.php') { |
||
289 | $context = $request->getFirstUrlSegment(); |
||
290 | if (!$context) { |
||
0 ignored issues
–
show
|
|||
291 | $context = 'main'; |
||
292 | } |
||
293 | |||
294 | elgg_set_context($context); |
||
295 | } |
||
296 | } |
||
297 | |||
298 | return function(\Elgg\EventsService $events, \Elgg\HooksRegistrationService $hooks) { |
||
299 | $events->registerHandler('boot', 'system', 'page_owner_boot'); |
||
300 | }; |
||
301 |
In PHP, under loose comparison (like
==
, or!=
, orswitch
conditions), values of different types might be equal.For
string
values, the empty string''
is a special case, in particular the following results might be unexpected: