← All changes | classes/Visualizer/Source/Csv/Remote.php +161 -172 4.0.8 → 1.5.3 View file →

		@@ -1,172 +1,161 @@
1		-<?php
2		-
3		-// +----------------------------------------------------------------------+
4		-// | Copyright 2013 Madpixels (email : visualizer@madpixels.net) |
5		-// +----------------------------------------------------------------------+
6		-// | This program is free software; you can redistribute it and/or modify |
7		-// | it under the terms of the GNU General Public License, version 2, as |
8		-// | published by the Free Software Foundation. |
9		-// | |
10		-// | This program is distributed in the hope that it will be useful, |
11		-// | but WITHOUT ANY WARRANTY; without even the implied warranty of |
12		-// | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
13		-// | GNU General Public License for more details. |
14		-// | |
15		-// | You should have received a copy of the GNU General Public License |
16		-// | along with this program; if not, write to the Free Software |
17		-// | Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, |
18		-// | MA 02110-1301 USA |
19		-// +----------------------------------------------------------------------+
20		-// | Author: Eugene Manuilov <eugene@manuilov.org> |
21		-// +----------------------------------------------------------------------+
22		-/**
23		- * Source manager for remote CSV files.
24		- *
25		- * @category Visualizer
26		- * @package Source
27		- *
28		- * @since 1.1.0
29		- */
30		-class Visualizer_Source_Csv_Remote extends Visualizer_Source_Csv {
31		-
32		- /**
33		- * Path to the safely downloaded temporary file.
34		- *
35		- * @since 1.4.2
36		- *
37		- * @access private
38		- * @var string|false
39		- */
40		- private $_tmpfile = false;
41		-
42		- /**
43		- * Returns data parsed from source.
44		- *
45		- * @since 1.1.0
46		- *
47		- * @access public
48		- * @return string The serialized array of data.
49		- */
50		- public function getData( $dumb = false ) {
51		- return serialize(
52		- array(
53		- 'source' => $this->_filename,
54		- 'data' => $this->_data,
55		- )
56		- );
57		- }
58		-
59		- /**
60		- * Re populates data and series.
61		- *
62		- * @since 1.1.0
63		- *
64		- * @access private
65		- * @param int $chart_id The chart id.
66		- * @return boolean TRUE on success, otherwise FALSE.
67		- */
68		- private function _repopulate( $chart_id ) {
69		- // if it has been already populated, then just return true
70		- if ( ! empty( $this->_data ) && ! empty( $this->_series ) ) {
71		- return true;
72		- }
73		-
74		- // if filename is empty, extract it from chart content
75		- if ( empty( $this->_filename ) ) {
76		- $chart = get_post( $chart_id );
77		- $data = Visualizer_Module::decode_content( html_entity_decode( $chart->post_content ) );
78		- if ( ! isset( $data['source'] ) ) {
79		- return false;
80		- }
81		-
82		- $this->_filename = $data['source'];
83		- }
84		-
85		- // populate series and data information
86		- return $this->fetch();
87		- }
88		-
89		- /**
90		- * Re populates data.
91		- *
92		- * @since 1.1.0
93		- *
94		- * @access public
95		- * @param array $data The actual array of data.
96		- * @param int $chart_id The chart id.
97		- * @return array The re populated array of data or old one.
98		- */
99		- public function repopulateData( $data, $chart_id ) {
100		- if ( ! is_array( $data ) ) {
101		- $data = array();
102		- }
103		- return array_key_exists( 'data', $data ) ? $data['data'] : $data;
104		- }
105		-
106		- /**
107		- * Re populates series.
108		- *
109		- * @since 1.1.0
110		- *
111		- * @access public
112		- * @param array $series The actual array of series.
113		- * @param int $chart_id The chart id.
114		- * @return array The re populated array of series or old one.
115		- */
116		- public function repopulateSeries( $series, $chart_id ) {
117		- return $series;
118		- }
119		-
120		- /**
121		- * Returns source name.
122		- *
123		- * @since 1.0.0
124		- *
125		- * @access public
126		- * @return string The name of source.
127		- */
128		- public function getSourceName() {
129		- return __CLASS__;
130		- }
131		-
132		- /**
133		- * Fetches the remote file and removes its temporary copy.
134		- *
135		- * @access public
136		- * @return boolean TRUE on success, otherwise FALSE.
137		- */
138		- public function fetch() {
139		- $result = parent::fetch();
140		-
141		- if ( $this->_tmpfile && is_file( $this->_tmpfile ) ) {
142		- wp_delete_file( $this->_tmpfile );
143		- $this->_tmpfile = false;
144		- }
145		-
146		- return $result;
147		- }
148		-
149		- /**
150		- * Returns file handle to fetch data from.
151		- *
152		- * @since 1.4.2
153		- *
154		- * @access protected
155		- * @param string $filename Optional file name to get handle. If omitted, $_filename is used.
156		- * @return resource|false File handle resource on success, otherwise FALSE.
157		- */
158		- protected function _get_file_handle( $filename = false ) {
159		- if ( $this->_tmpfile && is_readable( $this->_tmpfile ) ) {
160		- return parent::_get_file_handle( $this->_tmpfile );
161		- }
162		-
163		- $tmpfile = Visualizer_Remote_Fetch::download( $this->_filename );
164		- if ( is_wp_error( $tmpfile ) ) {
165		- $this->_error = esc_html__( 'Could not download the file. Please check the URL and try again.', 'visualizer' );
166		- return false;
167		- }
168		-
169		- $this->_tmpfile = $tmpfile;
170		- return parent::_get_file_handle( $this->_tmpfile );
171		- }
172		-}
	1	+<?php
	2	+
	3	+// +----------------------------------------------------------------------+
	4	+// | Copyright 2013 Madpixels (email : visualizer@madpixels.net) |
	5	+// +----------------------------------------------------------------------+
	6	+// | This program is free software; you can redistribute it and/or modify |
	7	+// | it under the terms of the GNU General Public License, version 2, as |
	8	+// | published by the Free Software Foundation. |
	9	+// | |
	10	+// | This program is distributed in the hope that it will be useful, |
	11	+// | but WITHOUT ANY WARRANTY; without even the implied warranty of |
	12	+// | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
	13	+// | GNU General Public License for more details. |
	14	+// | |
	15	+// | You should have received a copy of the GNU General Public License |
	16	+// | along with this program; if not, write to the Free Software |
	17	+// | Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, |
	18	+// | MA 02110-1301 USA |
	19	+// +----------------------------------------------------------------------+
	20	+// | Author: Eugene Manuilov <eugene@manuilov.org> |
	21	+// +----------------------------------------------------------------------+
	22	+
	23	+/**
	24	+ * Source manager for remote CSV files.
	25	+ *
	26	+ * @category Visualizer
	27	+ * @package Source
	28	+ *
	29	+ * @since 1.1.0
	30	+ */
	31	+class Visualizer_Source_Csv_Remote extends Visualizer_Source_Csv {
	32	+
	33	+ /**
	34	+ * Temporary file name used when allow_url_fopen option is disabled.
	35	+ *
	36	+ * @since 1.4.2
	37	+ *
	38	+ * @access private
	39	+ * @var string
	40	+ */
	41	+ private $_tmpfile = false;
	42	+
	43	+ /**
	44	+ * Returns data parsed from source.
	45	+ *
	46	+ * @since 1.1.0
	47	+ *
	48	+ * @access public
	49	+ * @return string The serialized array of data.
	50	+ */
	51	+ public function getData() {
	52	+ return serialize( array(
	53	+ 'source' => $this->_filename,
	54	+ 'data' => $this->_data,
	55	+ ) );
	56	+ }
	57	+
	58	+ /**
	59	+ * Re populates data and series.
	60	+ *
	61	+ * @since 1.1.0
	62	+ *
	63	+ * @access private
	64	+ * @param int $chart_id The chart id.
	65	+ * @return boolean TRUE on success, otherwise FALSE.
	66	+ */
	67	+ private function _repopulate( $chart_id ) {
	68	+ // if it has been already populated, then just return true
	69	+ if ( !empty( $this->_data ) && !empty( $this->_series ) ) {
	70	+ return true;
	71	+ }
	72	+
	73	+ // if filename is empty, extract it from chart content
	74	+ if ( empty( $this->_filename ) ) {
	75	+ $chart = get_post( $chart_id );
	76	+ $data = unserialize( $chart->post_content );
	77	+ if ( !isset( $data['source'] ) ) {
	78	+ return false;
	79	+ }
	80	+
	81	+ $this->_filename = $data['source'];
	82	+ }
	83	+
	84	+ // populate series and data information
	85	+ return $this->fetch();
	86	+ }
	87	+
	88	+ /**
	89	+ * Re populates data.
	90	+ *
	91	+ * @since 1.1.0
	92	+ *
	93	+ * @access public
	94	+ * @param array $data The actual array of data.
	95	+ * @param int $chart_id The chart id.
	96	+ * @return array The re populated array of data or old one.
	97	+ */
	98	+ public function repopulateData( $data, $chart_id ) {
	99	+ return $this->_repopulate( $chart_id ) ? $this->_data : $data;
	100	+ }
	101	+
	102	+ /**
	103	+ * Re populates series.
	104	+ *
	105	+ * @since 1.1.0
	106	+ *
	107	+ * @access public
	108	+ * @param array $series The actual array of series.
	109	+ * @param int $chart_id The chart id.
	110	+ * @return array The re populated array of series or old one.
	111	+ */
	112	+ public function repopulateSeries( $series, $chart_id ) {
	113	+ return $this->_repopulate( $chart_id ) ? $this->_series : $series;
	114	+ }
	115	+
	116	+ /**
	117	+ * Returns source name.
	118	+ *
	119	+ * @since 1.0.0
	120	+ *
	121	+ * @access public
	122	+ * @return string The name of source.
	123	+ */
	124	+ public function getSourceName() {
	125	+ return __CLASS__;
	126	+ }
	127	+
	128	+ /**
	129	+ * Returns file handle to fetch data from.
	130	+ *
	131	+ * @since 1.4.2
	132	+ *
	133	+ * @access protected
	134	+ * @staticvar boolean $allow_url_fopen Determines whether or not allow_url_fopen option is enabled.
	135	+ * @param string $filename Optional file name to get handle. If omitted, $_filename is used.
	136	+ * @return resource File handle resource on success, otherwise FALSE.
	137	+ */
	138	+ protected function _get_file_handle( $filename = false ) {
	139	+ static $allow_url_fopen = null;
	140	+
	141	+ if ( $this->_tmpfile && is_readable( $this->_tmpfile ) ) {
	142	+ return parent::_get_file_handle( $this->_tmpfile );
	143	+ }
	144	+
	145	+ if ( is_null( $allow_url_fopen ) ) {
	146	+ $allow_url_fopen = filter_var( ini_get( 'allow_url_fopen' ), FILTER_VALIDATE_BOOLEAN );
	147	+ }
	148	+
	149	+ $scheme = parse_url( $this->_filename, PHP_URL_SCHEME );
	150	+ if ( $allow_url_fopen && in_array( $scheme, stream_get_wrappers() ) ) {
	151	+ return parent::_get_file_handle( $filename );
	152	+ }
	153	+
	154	+ require_once ABSPATH . 'wp-admin/includes/file.php';
	155	+
	156	+ $this->_tmpfile = download_url( $this->_filename );
	157	+
	158	+ return !is_wp_error( $this->_tmpfile ) ? parent::_get_file_handle( $this->_tmpfile ) : false;
	159	+ }
	160	+
	161	+}