This file is indexed.

/usr/share/php/OpenCloud/Common/Collection.php is in php-opencloud 1.10.0-2.

This file is owned by root:root, with mode 0o644.

The actual contents of the file can be viewed below.

  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
<?php
/**
 * Copyright 2012-2014 Rackspace US, Inc.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

namespace OpenCloud\Common;

/**
 * @deprecated
 * @codeCoverageIgnore
 */
class Collection extends Base
{

    private $service;
    private $itemClass;
    private $itemList = array();
    private $pointer = 0;
    private $sortKey;
    private $nextPageClass;
    private $nextPageCallback;
    private $nextPageUrl;

    /**
     * A Collection is an array of objects
     *
     * Some assumptions:
     * * The `Collection` class assumes that there exists on its service
     *   a factory method with the same name of the class. For example, if
     *   you create a Collection of class `Foobar`, it will attempt to call
     *   the method `parent::Foobar()` to create instances of that class.
     * * It assumes that the factory method can take an array of values, and
     *   it passes that to the method.
     *
     * @param Service $service   - the service associated with the collection
     * @param string  $itemclass - the Class of each item in the collection
     *                           (assumed to be the name of the factory method)
     * @param array   $arr       - the input array
     */
    public function __construct($service, $class, array $array = array())
    {
        $service->getLogger()->deprecated(__METHOD__, 'OpenCloud\Common\Collection\CollectionBuilder');

        $this->setService($service);

        $this->setNextPageClass($class);

        // If they've supplied a FQCN, only get the last part
        $class = (false !== ($classNamePos = strrpos($class, '\\')))
            ? substr($class, $classNamePos + 1)
            : $class;

        $this->setItemClass($class);

        // Set data
        $this->setItemList($array);
    }

    /**
     * Set the entire data array.
     *
     * @param array $array
     */
    private function setItemList(array $array)
    {
        $this->itemList = $array;

        return $this;
    }

    /**
     * Retrieve the entire data array.
     *
     * @return array
     */
    public function getItemList()
    {
        return $this->itemList;
    }

    /**
     * Set the service.
     *
     * @param Service|PersistentObject $service
     */
    public function setService($service)
    {
        $this->service = $service;

        return $this;
    }

    /**
     * Retrieves the service associated with the Collection
     *
     * @return Service
     */
    public function getService()
    {
        return $this->service;
    }

    /**
     * Set the resource class name.
     */
    private function setItemClass($itemClass)
    {
        $this->itemClass = $itemClass;

        return $this;
    }

    /**
     * Get item class.
     */
    private function getItemClass()
    {
        return $this->itemClass;
    }

    /**
     * Set the key that will be used for sorting.
     */
    private function setSortKey($sortKey)
    {
        $this->sortKey = $sortKey;

        return $this;
    }

    /**
     * Get the key that will be used for sorting.
     */
    private function getSortKey()
    {
        return $this->sortKey;
    }

    /**
     * Set next page class.
     */
    private function setNextPageClass($nextPageClass)
    {
        $this->nextPageClass = $nextPageClass;

        return $this;
    }

    /**
     * Get next page class.
     */
    private function getNextPageClass()
    {
        return $this->nextPageClass;
    }

    /**
     * for paginated collection, sets the callback function and URL for
     * the next page
     *
     * The callback function should have the signature:
     *
     *      function Whatever($class, $url, $parent)
     *
     * and the `$url` should be the URL of the next page of results
     *
     * @param callable $callback the name of the function (or array of
     *                           object, function name)
     * @param string   $url      the URL of the next page of results
     * @return void
     */
    public function setNextPageCallback($callback, $url)
    {
        $this->nextPageCallback = $callback;
        $this->nextPageUrl = $url;

        return $this;
    }

    /**
     * Get next page callback.
     */
    private function getNextPageCallback()
    {
        return $this->nextPageCallback;
    }

    /**
     * Get next page URL.
     */
    private function getNextPageUrl()
    {
        return $this->nextPageUrl;
    }

    /**
     * Returns the number of items in the collection
     *
     * For most services, this is the total number of items. If the Collection
     * is paginated, however, this only returns the count of items in the
     * current page of data.
     *
     * @return int
     */
    public function count()
    {
        return count($this->getItemList());
    }

    /**
     * Pseudonym for count()
     *
     * @codeCoverageIgnore
     */
    public function size()
    {
        return $this->count();
    }

    /**
     * Resets the pointer to the beginning, but does NOT return the first item
     *
     * @api
     * @return void
     */
    public function reset()
    {
        $this->pointer = 0;
    }

    /**
     * Resets the collection pointer back to the first item in the page
     * and returns it
     *
     * This is useful if you're only interested in the first item in the page.
     *
     * @api
     * @return Base the first item in the set
     */
    public function first()
    {
        $this->reset();

        return $this->next();
    }

    /**
     * Return the item at a particular point of the array.
     *
     * @param  mixed $offset
     * @return mixed
     */
    public function getItem($pointer)
    {
        return (isset($this->itemList[$pointer])) ? $this->itemList[$pointer] : false;
    }

    /**
     * Add an item to this collection
     *
     * @param mixed $item
     */
    public function addItem($item)
    {
        $this->itemList[] = $item;
    }

    /**
     * Returns the next item in the page
     *
     * @api
     * @return Base the next item or FALSE if at the end of the page
     */
    public function next()
    {
        if ($this->pointer >= $this->count()) {
            return false;
        }

        $data = $this->getItem($this->pointer++);
        $class = $this->getItemClass();

        // Are there specific methods in the parent/service that can be used to
        // instantiate the resource? Currently supported: getResource(), resource()
        foreach (array($class, 'get' . ucfirst($class)) as $method) {
            if (method_exists($this->service, $method)) {
                return call_user_func(array($this->service, $method), $data);
            }
        }

        // Backup method
        if (method_exists($this->service, 'resource')) {
            return $this->service->resource($class, $data);
        }

        return false;
    }

    /**
     * sorts the collection on a specified key
     *
     * Note: only top-level keys can be used as the sort key. Note that this
     * only sorts the data in the current page of the Collection (for
     * multi-page data).
     *
     * @api
     * @param string $keyname the name of the field to use as the sort key
     * @return void
     */
    public function sort($keyname = 'id')
    {
        $this->setSortKey($keyname);
        usort($this->itemList, array($this, 'sortCompare'));
    }

    /**
     * selects only specified items from the Collection
     *
     * This provides a simple form of filtering on Collections. For each item
     * in the collection, it calls the callback function, passing it the item.
     * If the callback returns `TRUE`, then the item is retained; if it returns
     * `FALSE`, then the item is deleted from the collection.
     *
     * Note that this should not supersede server-side filtering; the
     * `Collection::Select()` method requires that *all* of the data for the
     * Collection be retrieved from the server before the filtering is
     * performed; this can be very inefficient, especially for large data
     * sets. This method is mostly useful on smaller-sized sets.
     *
     * Example:
     * <code>
     * $services = $connection->ServiceList();
     * $services->Select(function ($item) { return $item->region=='ORD';});
     * // now the $services Collection only has items from the ORD region
     * </code>
     *
     * `Select()` is *destructive*; that is, it actually removes entries from
     * the collection. For example, if you use `Select()` to find items with
     * the ID > 10, then use it again to find items that are <= 10, it will
     * return an empty list.
     *
     * @api
     * @param callable $testfunc a callback function that is passed each item
     *                           in turn. Note that `Select()` performs an explicit test for
     *                           `FALSE`, so functions like `strpos()` need to be cast into a
     *                           boolean value (and not just return the integer).
     * @returns void
     * @throws DomainError if callback doesn't return a boolean value
     */
    public function select($testfunc)
    {
        foreach ($this->getItemList() as $index => $item) {
            $test = call_user_func($testfunc, $item);
            if (!is_bool($test)) {
                throw new Exceptions\DomainError(
                    Lang::translate('Callback function for Collection::Select() did not return boolean')
                );
            }
            if ($test === false) {
                unset($this->itemList[$index]);
            }
        }
    }

    /**
     * returns the Collection object for the next page of results, or
     * FALSE if there are no more pages
     *
     * Generally, the structure for a multi-page collection will look like
     * this:
     *
     *      $coll = $obj->Collection();
     *      do {
     *          while ($item = $coll->Next()) {
     *              // do something with the item
     *          }
     *      } while ($coll = $coll->NextPage());
     *
     * @api
     * @return Collection if there are more pages of results, otherwise FALSE
     */
    public function nextPage()
    {
        return ($this->getNextPageUrl() !== null)
            ? call_user_func($this->getNextPageCallback(), $this->getNextPageClass(), $this->getNextPageUrl())
            : false;
    }

    /**
     * Compares two values of sort keys
     */
    private function sortCompare($a, $b)
    {
        $key = $this->getSortKey();

        // Handle strings
        if (is_string($a->$key)) {
            return strcmp($a->$key, $b->$key);
        }

        // Handle others with logical comparisons
        if ($a->$key == $b->$key) {
            return 0;
        } elseif ($a->$key < $b->$key) {
            return -1;
        } else {
            return 1;
        }
    }
}