e2pdf / classes / helper / e2pdf-attachments.php

e2pdf-attachments.php in E2Pdf – Export Pdf Tool for WordPress 1.32.23, at classes/helper/e2pdf-attachments.php

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1	<?php
2
3	/**
4	* E2Pdf Pdf Helper
5	* @copyright Copyright 2017 https://e2pdf.com
6	* @license GPLv3
7	* @version 1
8	* @link https://e2pdf.com
9	* @since 0.00.01
10	*/
11	if (!defined('ABSPATH')) {
12	die('Access denied.');
13	}
14
15	class Helper_E2pdf_Attachments {
16
17	private $helper;
18
19	public function __construct() {
20	$this->helper = Helper_E2pdf_Helper::instance();
21	}
22
23	/**
24	* Get Base64 Encoded Pdf
25	* @param string $value - Pdf path
26	* @return mixed - Base64 encoded Pdf OR FALSE
27	*/
28	public function get_file($value, $extension = null) {
29	$source = false;
30	$protected = false;
31	if ($value) {
32	$value = trim($value);
33	$site_url = site_url('/');
34	$https = str_replace('http://', 'https://', $site_url);
35	$http = str_replace('https://', 'http://', $site_url);
36	if (!get_option('e2pdf_images_remote_request', '0')) {
37	if (0 === strpos($value, $https)) {
38	$tmp_value = ABSPATH . substr($value, strlen($https));
39	if (@file_exists($tmp_value)) {
40	$value = $tmp_value;
41	}
42	} elseif (0 === strpos($value, $http)) {
43	$tmp_value = ABSPATH . substr($value, strlen($http));
44	if (@file_exists($tmp_value)) {
45	$value = $tmp_value;
46	}
47	}
48	}
49	if (!$source) {
50	if ((0 === strpos($value, ABSPATH) \|\| 0 === strpos($value, '/')) && @file_exists($value) && $this->get_extension($value)) {
51	if ($extension->info('key') == 'formidable' && class_exists('FrmProFileField') && !@is_readable($value)) {
52	FrmProFileField::chmod($value, apply_filters('frm_protected_file_readonly_permission', 0400));
53	if (@!is_readable($value)) {
54	@chmod($value, apply_filters('frm_protected_file_readonly_permission', 0400));
55	}
56	if (@is_readable($value)) {
57	$protected = true;
58	}
59	}
60	$contents = @file_get_contents($value);
61	if ($contents) {
62	$source = base64_encode($contents);
63	}
64	if ($protected) {
65	FrmProFileField::chmod($value, 0200);
66	}
67	} elseif (@file_exists(ABSPATH . $value) && $this->get_extension(ABSPATH . $value)) {
68	if ($extension->info('key') == 'formidable' && class_exists('FrmProFileField') && !@is_readable(ABSPATH . $value)) {
69	FrmProFileField::chmod(ABSPATH . $value, apply_filters('frm_protected_file_readonly_permission', 0400));
70	if (@!is_readable(ABSPATH . $value)) {
71	@chmod(ABSPATH . $value, apply_filters('frm_protected_file_readonly_permission', 0400));
72	}
73	if (@is_readable(ABSPATH . $value)) {
74	$protected = true;
75	}
76	}
77	$contents = @file_get_contents(ABSPATH . $value);
78	if ($contents) {
79	$source = base64_encode($contents);
80	}
81	if ($protected) {
82	FrmProFileField::chmod(ABSPATH . $value, 0200);
83	}
84	} elseif ($tmp_file = base64_decode($value, true)) {
85	if ($this->get_extension($tmp_file)) {
86	$source = $value;
87	}
88	} elseif ($body = $this->get_by_url($value)) {
89	$source = base64_encode($body);
90	}
91	}
92	}
93	return $source;
94	}
95
96	public function get_attachments($list, $extension = null) {
97	$attachments = array();
98	if ($extension) {
99	$value = array_filter(array_map('trim', preg_split('/[\n\,]+/', $list, 0, PREG_SPLIT_NO_EMPTY)));
100	foreach ($value as $shortcode) {
101	$files = array_filter(array_map('trim', preg_split('/[\n\,]+/', $extension->render($shortcode, array()), 0, PREG_SPLIT_NO_EMPTY)));
102	foreach ($files as $file) {
103	$source = $this->get_file(trim($file), $extension);
104	if ($source) {
105	$attachments[] = array(
106	'value' => $source,
107	'name' => $this->get_attachment_name($file, $extension, $shortcode),
108	'description' => $this->get_attachment_description($file, $extension, $shortcode),
109	);
110	}
111	}
112	}
113	}
114	return $attachments;
115	}
116
117	public function get_attachment_name($file, $extension = null, $shortcode = '') {
118	$name = basename(trim($file));
119	if (false !== strpos($name, 'index.php?gf-download')) {
120	$parse_url = wp_parse_args(wp_parse_url($name, PHP_URL_QUERY));
121	if (!empty($parse_url['gf-download'])) {
122	$name = basename($parse_url['gf-download']);
123	}
124	}
125	return apply_filters('e2pdf_attachments_attachment_name', $name, $extension, $file, trim($shortcode));
126	}
127
128	public function get_attachment_description($file, $extension = null, $shortcode = '') {
129	return apply_filters('e2pdf_attachments_attachment_description', '', $extension, $file, trim($shortcode));
130	}
131
132	/**
133	* Get pdf by Url
134	* @param string $url - Url to pdf
135	* @return array();
136	*/
137	public function get_by_url($url) {
138	$response = wp_remote_get(
139	$url,
140	array(
141	'timeout' => get_option('e2pdf_images_timeout', '30'),
142	'sslverify' => false,
143	)
144	);
145	if (wp_remote_retrieve_response_code($response) === 200) {
146	return wp_remote_retrieve_body($response);
147	} else {
148	return '';
149	}
150	}
151
152	public function get_allowed_extensions() {
153	return apply_filters(
154	'e2pdf_pdf_allowed_attachments_extensions',
155	array(
156	'image/jpeg' => 'jpg',
157	'image/jpeg2' => 'jpeg',
158	'image/png' => 'png',
159	'image/gif' => 'gif',
160	'image/svg' => 'svg',
161	'image/svg+xml' => 'svg',
162	'image/webp' => 'webp',
163	'image/x-ms-bmp' => 'bmp',
164	'image/bmp' => 'bmp',
165	'image/tif' => 'tiff',
166	'image/tiff' => 'tiff',
167	'application/pdf' => 'pdf',
168	'text/csv' => 'csv',
169	'application/msword' => 'doc',
170	'application/vnd.openxmlformats-officedocument.wordprocessingml.document' => 'docx',
171	'application/vnd.ms-excel' => '.xls',
172	'application/vnd.openxmlformats-officedocument.spreadsheetml.sheet' => '.xlsx',
173	'application/vnd.oasis.opendocument.text' => 'odt',
174	'application/vnd.oasis.opendocument.spreadsheet' => 'ods',
175	'application/vnd.oasis.opendocument.presentation' => '.odp',
176	)
177	);
178	}
179
180	public function get_extension($value = false) {
181
182	$value = trim($value);
183	if (!$value) {
184	return false;
185	}
186
187	$extensions = $this->get_allowed_extensions();
188	$extension = false;
189	$mime = false;
190
191	if (@file_exists($value)) {
192	$file_extension = strtolower(pathinfo($value, PATHINFO_EXTENSION));
193	if (in_array($file_extension, $extensions)) {
194	return $file_extension;
195	} elseif (function_exists('finfo_open') && function_exists('finfo_file')) {
196	$f = finfo_open();
197	$mime = @finfo_file($f, $value, FILEINFO_MIME_TYPE);
198	}
199	} else {
200	$file_extension = strtolower(pathinfo($value, PATHINFO_EXTENSION));
201	if (in_array($file_extension, $extensions)) {
202	return $file_extension;
203	} elseif (function_exists('finfo_open') && function_exists('finfo_buffer')) {
204	$f = finfo_open();
205	$mime = finfo_buffer($f, $value, FILEINFO_MIME_TYPE);
206	}
207	}
208
209	if ($mime && isset($extensions[$mime])) {
210	$extension = $extensions[$mime];
211	}
212	return $extension;
213	}
214	}
215