feedwordpress / compatability.php

compatability.php in FeedWordPress 2010.0623, at compatability.php

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1	<?php
2	################################################################################
3	## LEGACY API: Replicate or mock up functions for legacy support purposes ######
4	################################################################################
5
6	// version testing
7	function fwp_test_wp_version ($floor, $ceiling = NULL) {
8	global $wp_db_version;
9
10	$ver = (isset($wp_db_version) ? $wp_db_version : 0);
11	$good = ($ver >= $floor);
12	if (!is_null($ceiling)) :
13	$good = ($good and ($ver < $ceiling));
14	endif;
15	return $good;
16	} /* function fwp_test_wp_version () */
17
18	class FeedWordPressCompatibility {
19	/static/ function test_version ($floor, $ceiling = null) {
20	return fwp_test_wp_version($floor, $ceiling);
21	} /* FeedWordPressCompatibility::test_version() */
22
23	/static/ function insert_link_category ($name) {
24	global $wpdb;
25
26	$name = $wpdb->escape($name);
27
28	// WordPress 2.3+ term/taxonomy API
29	if (function_exists('wp_insert_term')) :
30	$term = wp_insert_term($name, 'link_category');
31	$cat_id = $term['term_id'];
32	// WordPress 2.1, 2.2 category API. By the way, why the fuck is this API function only available in a wp-admin module?
33	elseif (function_exists('wp_insert_category') and !fwp_test_wp_version(FWP_SCHEMA_20, FWP_SCHEMA_21)) :
34	$cat_id = wp_insert_category(array('cat_name' => $name));
35	// WordPress 1.5 and 2.0.x
36	elseif (fwp_test_wp_version(0, FWP_SCHEMA_21)) :
37	$result = $wpdb->query("
38	INSERT INTO $wpdb->linkcategories
39	SET
40	cat_id = 0,
41	cat_name='$name',
42	show_images='N',
43	show_description='N',
44	show_rating='N',
45	show_updated='N',
46	sort_order='name'
47	");
48	$cat_id = $wpdb->insert_id;
49	// This should never happen.
50	else :
51	FeedWordPress::critical_bug('FeedWordPress::link_category_id::wp_db_version', $wp_db_version, __LINE__);
52	endif;
53
54	// Return newly-created category ID
55	return $cat_id;
56	} /* FeedWordPressCompatibility::insert_link_category () */
57
58	/static/ function link_category_id ($value, $key = 'cat_name') {
59	global $wpdb;
60
61	$cat_id = NULL;
62
63	$the_term = term_exists($value, 'link_category');
64
65	// Sometimes, in some versions, we get a row
66	if (is_array($the_term)) :
67	$cat_id = $the_term['term_id'];
68
69	// other times we get an integer result
70	else :
71	$cat_id = $the_term;
72	endif;
73
74	return $cat_id;
75	} /* FeedWordPressCompatibility::link_category_id () */
76
77	/static/ function post_tags () {
78	return FeedWordPressCompatibility::test_version(FWP_SCHEMA_23);
79	} /* FeedWordPressCompatibility::post_tags () */
80
81	/static/ function validate_http_request ($action = -1, $capability = null) {
82	// Only worry about this if we're using a method with significant side-effects
83	if (strtoupper($_SERVER['REQUEST_METHOD']) == 'POST') :
84	// Limit post by user capabilities
85	if (!is_null($capability) and !current_user_can($capability)) :
86	wp_die(__('Cheatin’ uh?'));
87	endif;
88
89	// If check_admin_referer() checks a nonce.
90	if (function_exists('wp_verify_nonce')) :
91	check_admin_referer($action);
92
93	// No nonces means no checking nonces.
94	else :
95	check_admin_referer();
96	endif;
97	endif;
98	} /* FeedWordPressCompatibility::validate_http_request() */
99
100	/static/ function stamp_nonce ($action = -1) {
101	// stamp form with hidden fields for a nonce in WP 2.0.3 & later
102	if (function_exists('wp_nonce_field')) :
103	wp_nonce_field($action);
104	endif;
105	} /* FeedWordPressCompatibility::stamp_nonce() */
106
107	/static/ function bottom_script_hook ($filename) {
108	global $fwp_path;
109
110	$hook = 'admin_footer';
111	if (FeedWordPressCompatibility::test_version(FWP_SCHEMA_28)) : // WordPress 2.8+
112	$hook = $hook . '-' . $fwp_path . '/' . basename($filename);
113	endif;
114	return $hook;
115	} /* FeedWordPressCompatibility::bottom_script_hook() */
116	} /* class FeedWordPressCompatibility */
117
118	define('FEEDWORDPRESS_AND_TAGS', (FeedWordPressCompatibility::post_tags() ? ' & Tags' : ''));
119
120	if (!function_exists('stripslashes_deep')) {
121	function stripslashes_deep($value) {
122	$value = is_array($value) ? array_map('stripslashes_deep', $value) : stripslashes($value);
123	return $value;
124	}
125	}
126
127	if (!function_exists('get_option')) {
128	function get_option ($option) {
129	return get_settings($option);
130	}
131	}
132	if (!function_exists('current_user_can')) {
133	$fwp_capability['manage_options'] = 6;
134	$fwp_capability['manage_links'] = 5;
135	function current_user_can ($task) {
136	global $user_level;
137
138	$can = false;
139
140	// This is not a full replacement for current_user_can. It
141	// is only for checking the capabilities we care about via the
142	// WordPress 1.5 user levels.
143	switch ($task) :
144	case 'manage_options':
145	$can = ($user_level >= 6);
146	break;
147	case 'manage_links':
148	$can = ($user_level >= 5);
149	break;
150	case 'edit_files':
151	$can = ($user_level >= 9);
152	break;
153	endswitch;
154	return $can;
155	}
156	} else {
157	$fwp_capability['manage_options'] = 'manage_options';
158	$fwp_capability['manage_links'] = 'manage_links';
159	}
160	if (!function_exists('sanitize_user')) {
161	function sanitize_user ($text, $strict = false) {
162	return $text; // Don't munge it if it wasn't munged going in...
163	}
164	}
165	if (!function_exists('wp_insert_user')) {
166	function wp_insert_user ($userdata) {
167	global $wpdb;
168
169	#-- Help WordPress 1.5.x quack like a duck
170	$login = $userdata['user_login'];
171	$author = $userdata['display_name'];
172	$nice_author = $userdata['user_nicename'];
173	$email = $userdata['user_email'];
174	$url = $userdata['user_url'];
175
176	$wpdb->query (
177	"INSERT INTO $wpdb->users
178	SET
179	ID='0',
180	user_login='$login',
181	user_firstname='$author',
182	user_nickname='$author',
183	user_nicename='$nice_author',
184	user_description='$author',
185	user_email='$email',
186	user_url='$url'");
187	$id = $wpdb->insert_id;
188
189	return $id;
190	}
191	} /* if (!function_exists('wp_insert_user')) */
192
193	if (!function_exists('wp_die')) {
194	function wp_die ( $message, $title = '', $args = array() ) {
195	die($message);
196	} /* wp_die() */
197	} /* if */
198
199	if (!function_exists('add_post_meta')) {
200	function add_post_meta ($postId, $key, $value, $unique) {
201	global $wpdb;
202
203	$postId = (int) $postId;
204	$key = $wpdb->escape($key);
205	$value = $wpdb->escape($value);
206
207	$result = $wpdb->query("
208	INSERT INTO $wpdb->postmeta
209	SET
210	post_id='$postId',
211	meta_key='$key',
212	meta_value='$value'
213	");
214	if (!$result) :
215	$err = mysql_error();
216	if (FEEDWORDPRESS_DEBUG) :
217	echo "[DEBUG:".date('Y-m-d H:i:S')."][feedwordpress]: post metadata insertion FAILED for field '$key' := '$value': [$err]";
218	endif;
219	endif;
220	} /* add_post_meta() */
221	} /* if */
222
223	if (!function_exists('disabled')) {
224	/**
225	* Outputs the html disabled attribute.
226	*
227	* Compares the first two arguments and if identical marks as disabled
228	*
229	* @since 3.0.0
230	*
231	* @param mixed $disabled One of the values to compare
232	* @param mixed $current (true) The other value to compare if not just true
233	* @param bool $echo Whether to echo or just return the string
234	* @return string html attribute or empty string
235	*/
236	function disabled( $disabled, $current = true, $echo = true ) {
237	return __checked_selected_helper( $disabled, $current, $echo, 'disabled' );
238	}
239	} /* if */
240
241	if (!function_exists('term_exists')) {
242	// Fucking WordPress 3.0 wordsmithing.
243	function term_exists ( $term, $taxonomy = '', $parent = 0 ) {
244	return is_term($term, $taxonomy, $parent);
245	}
246	} /* if */
247	require_once(dirname(__FILE__).'/feedwordpress-walker-category-checklist.class.php');
248
249	function fwp_category_checklist ($post_id = 0, $descendents_and_self = 0, $selected_cats = false, $prefix = '') {
250	if (function_exists('wp_category_checklist')) :
251	$walker = new FeedWordPress_Walker_Category_Checklist;
252	$walker->set_prefix($prefix);
253	wp_category_checklist(
254	/post_id=/ $post_id,
255	/descendents_and_self=/ $descendents_and_self,
256	/selected_cats=/ $selected_cats,
257	/popular_cats=/ false,
258	/walker=/ $walker
259	);
260	else :
261	// selected_cats is an array of integer cat_IDs / term_ids for
262	// the categories that should be checked
263	global $post_ID;
264
265	$cats = get_nested_categories();
266
267	// Undo damage from usort() in WP 2.0
268	$dogs = array();
269	foreach ($cats as $cat) :
270	$dogs[$cat['cat_ID']] = $cat;
271	endforeach;
272	foreach ($selected_cats as $cat_id) :
273	$dogs[$cat_id]['checked'] = true;
274	endforeach;
275	write_nested_categories($dogs);
276	endif;
277	}
278
279	function fwp_time_elapsed ($ts) {
280	if (function_exists('human_time_diff')) :
281	if ($ts >= time()) :
282	$ret = __(human_time_diff($ts)." from now");
283	else :
284	$ret = __(human_time_diff($ts)." ago");
285	endif;
286	else :
287	$ret = strftime('%x %X', $ts);
288	endif;
289	return $ret;
290	}
291
292	################################################################################
293	## UPGRADE INTERFACE: Have users upgrade DB from older versions of FWP #########
294	################################################################################
295
296	function fwp_upgrade_page () {
297	if (isset($GLOBALS['fwp_post']['action']) and $GLOBALS['fwp_post']['action']=='Upgrade') :
298	$ver = get_option('feedwordpress_version');
299	if (get_option('feedwordpress_version') != FEEDWORDPRESS_VERSION) :
300	echo "<div class=\"wrap\">\n";
301	echo "<h2>Upgrading FeedWordPress...</h2>";
302
303	$feedwordpress = new FeedWordPress;
304	$feedwordpress->upgrade_database($ver);
305	echo "<p><strong>Done!</strong> Upgraded database to version ".FEEDWORDPRESS_VERSION.".</p>\n";
306	echo "<form action=\"\" method=\"get\">\n";
307	echo "<div class=\"submit\"><input type=\"hidden\" name=\"page\" value=\"syndication.php\" />";
308	echo "<input type=\"submit\" value=\"Continue »\" /></form></div>\n";
309	echo "</div>\n";
310	return;
311	else :
312	echo "<div class=\"updated\"><p>Already at version ".FEEDWORDPRESS_VERSION."!</p></div>";
313	endif;
314	endif;
315	?>
316	<div class="wrap">
317	<h2>Upgrade FeedWordPress</h2>
318
319	<p>It appears that you have installed FeedWordPress
320	<?php echo FEEDWORDPRESS_VERSION; ?> as an upgrade to an existing installation of
321	FeedWordPress. That's no problem, but you will need to take a minute out first
322	to upgrade your database: some necessary changes in how the software keeps
323	track of posts and feeds will cause problems such as duplicate posts and broken
324	templates if we were to continue without the upgrade.</p>
325
326	<p>Note that most of FeedWordPress's functionality is temporarily disabled
327	until we have successfully completed the upgrade. Everything should begin
328	working as normal again once the upgrade is complete. There's extraordinarily
329	little chance of any damage as the result of the upgrade, but if you're paranoid
330	like me you may want to back up your database before you proceed.</p>
331
332	<p>This may take several minutes for a large installation.</p>
333
334	<form action="" method="post">
335	<?php FeedWordPressCompatibility::stamp_nonce('feedwordpress_upgrade'); ?>
336	<div class="submit"><input type="submit" name="action" value="Upgrade" /></div>
337	</form>
338	</div>
339	<?php
340	} // function fwp_upgrade_page ()
341
342