s2member / includes / classes / utils-conds.inc.php

utils-conds.inc.php in s2Member – Excellent for All Kinds of Memberships, Content Restriction Paywalls & Member Access Subscriptions 110927, at includes/classes/utils-conds.inc.php

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1	<?php
2	/**
3	* Conditional utilities.
4	*
5	* Copyright: © 2009-2011
6	* {@link http://www.websharks-inc.com/ WebSharks, Inc.}
7	* ( coded in the USA )
8	*
9	* Released under the terms of the GNU General Public License.
10	* You should have received a copy of the GNU General Public License,
11	* along with this software. In the main directory, see: /licensing/
12	* If not, see: {@link http://www.gnu.org/licenses/}.
13	*
14	* @package s2Member\Utilities
15	* @since 3.5
16	*/
17	if (realpath (__FILE__) === realpath ($_SERVER["SCRIPT_FILENAME"]))
18	exit ("Do not access this file directly.");
19	/**/
20	if (!class_exists ("c_ws_plugin__s2member_utils_conds"))
21	{
22	/**
23	* Conditional utilities.
24	*
25	* @package s2Member\Utilities
26	* @since 3.5
27	*/
28	class c_ws_plugin__s2member_utils_conds
29	{
30	/**
31	* Determines whether or not s2Member Pro is installed.
32	*
33	* @package s2Member\Utilities
34	* @since 110720
35	*
36	* @return bool True if s2Member Pro is installed, else false.
37	*/
38	public static function pro_is_installed ()
39	{
40	return defined ("WS_PLUGIN__S2MEMBER_PRO_VERSION");
41	}
42	/**
43	* Determines whether or not BuddyPress is installed.
44	*
45	* @package s2Member\Utilities
46	* @since 110720
47	*
48	* @param bool $query_active_plugins Optional. If true, this conditional will query active plugins too. Defaults to false.
49	* @return bool True if BuddyPress is installed, else false.
50	*/
51	public static function bp_is_installed ($query_active_plugins = FALSE)
52	{
53	if (defined ("BP_VERSION")) /* Installed and active? */
54	return true;
55	/**/
56	if ($query_active_plugins && ($buddypress = "buddypress/bp-loader.php"))
57	{
58	$active_plugins = (is_multisite ()) ? wp_get_active_network_plugins () : array ();
59	$active_plugins = array_unique (array_merge ($active_plugins, wp_get_active_and_valid_plugins ()));
60	/**/
61	foreach ($active_plugins as $active_plugin) /* BuddyPress active? */
62	if (plugin_basename ($active_plugin) === $buddypress) /* BuddyPress? */
63	return true; /* Yes, BuddyPress is one of the active plugins. */
64	}
65	/**/
66	return false; /* Default return false. */
67	}
68	/**
69	* Determines whether or not this is a Multisite Farm;
70	* ( i.e. if ``MULTISITE_FARM == true`` inside `/wp-config.php` ).
71	*
72	* With s2Member, this option may also indicate a Multisite Blog Farm.
73	* ``$GLOBALS["WS_PLUGIN__"]["s2member"]["o"]["mms_registration_file"] === "wp-signup"``.
74	*
75	* @package s2Member\Utilities
76	* @since 3.5
77	*
78	* @return bool True if this is a Multisite Farm, else false.
79	*/
80	public static function is_multisite_farm ()
81	{
82	return (is_multisite () && ((is_main_site () && $GLOBALS["WS_PLUGIN__"]["s2member"]["o"]["mms_registration_file"] === "wp-signup") \|\| (defined ("MULTISITE_FARM") && MULTISITE_FARM)));
83	}
84	/**
85	* Checks if a Post is in a child Category.
86	*
87	* @package s2Member\Utilities
88	* @since 3.5
89	*
90	* @param array $cats An array of Category IDs.
91	* @param int\|str $post_id A numeric WordPress® Post ID.
92	* @return bool True if the Post is inside a desendant of at least one of the specified Categories; else false.
93	*/
94	public static function in_descendant_category ($cats = FALSE, $post_id = FALSE)
95	{
96	foreach ((array)$cats as $cat)
97	{
98	$descendants = get_term_children ((int)$cat, "category");
99	if ($descendants && in_category ($descendants, $post_id))
100	return true;
101	}
102	/**/
103	return false;
104	}
105	/**
106	* Checks to see if a URL/URI leads to the site root.
107	*
108	* @package s2Member\Utilities
109	* @since 3.5
110	*
111	* @param str $url_or_uri Either a full URL, or a URI to test against.
112	* @return bool True if the URL or URI leads to the site root, else false.
113	*/
114	public static function is_site_root ($url_or_uri = FALSE)
115	{
116	if (($parse = @parse_url ($url_or_uri))) /* See: http://php.net/manual/en/function.parse-url.php. */
117	{
118	$parse["path"] = (!empty ($parse["path"])) ? ((strpos ($parse["path"], "/") === 0) ? $parse["path"] : "/" . $parse["path"]) : "/";
119	$parse["path"] = preg_replace ("/\/+/", "/", $parse["path"]); /* Removes multi slashes. */
120	/**/
121	if (empty ($parse["host"]) \|\| strcasecmp ($parse["host"], parse_url (site_url (), PHP_URL_HOST)) === 0)
122	if ($parse["path"] === "/" \|\| rtrim ($parse["path"], "/") === rtrim (parse_url (site_url (), PHP_URL_PATH), "/"))
123	return true;
124	}
125	/**/
126	return false;
127	}
128	/**
129	* Checks to see if we're using Amazon® S3.
130	*
131	* @package s2Member\Utilities
132	* @since 110926
133	*
134	* @return bool True if using Amazon® S3, else false.
135	*/
136	public static function using_amazon_s3_storage ()
137	{
138	if (!c_ws_plugin__s2member_utils_conds::using_amazon_cf_storage ())
139	{
140	foreach ($GLOBALS["WS_PLUGIN__"]["s2member"]["o"] as $option => $option_value)
141	if (preg_match ("/^amazon_s3_files_/", $option) && ($option = preg_replace ("/^amazon_s3_files_/", "", $option)))
142	$s3c[$option] = $option_value;
143	/**/
144	if ($s3c["bucket"] && $s3c["access_key"] && $s3c["secret_key"])
145	return true;
146	}
147	/**/
148	return false;
149	}
150	/**
151	* Checks to see if we're using Amazon® CloudFront.
152	*
153	* @package s2Member\Utilities
154	* @since 110926
155	*
156	* @return bool True if using Amazon® CloudFront, else false.
157	*/
158	public static function using_amazon_cf_storage ()
159	{
160	foreach ($GLOBALS["WS_PLUGIN__"]["s2member"]["o"] as $option => $option_value)
161	if (preg_match ("/^amazon_s3_files_/", $option) && ($option = preg_replace ("/^amazon_s3_files_/", "", $option)))
162	$s3c[$option] = $option_value;
163	/**/
164	foreach ($GLOBALS["WS_PLUGIN__"]["s2member"]["o"] as $option => $option_value)
165	if (preg_match ("/^amazon_cf_files_/", $option) && ($option = preg_replace ("/^amazon_cf_files_/", "", $option)))
166	$cfc[$option] = $option_value;
167	/**/
168	if ($s3c["bucket"] && $s3c["access_key"] && $s3c["secret_key"])
169	if ($cfc["private_key"] && $cfc["private_key_id"] && $cfc["distros_access_id"] && $cfc["distros_s3_access_id"] && $cfc["distro_downloads_id"] && $cfc["distro_downloads_dname"] && $cfc["distro_streaming_id"] && $cfc["distro_streaming_dname"])
170	return true;
171	/**/
172	return false;
173	}
174	}
175	}
176	?>