e2pdf / classes / model / e2pdf-adobesign.php

e2pdf-adobesign.php in E2Pdf – Export Pdf Tool for WordPress trunk, at classes/model/e2pdf-adobesign.php

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1	<?php
2
3	/**
4	* File: /model/e2pdf-adobesign.php
5	*
6	* @package E2Pdf
7	* @license GPLv3
8	* @link https://e2pdf.com
9	*/
10	if (!defined('ABSPATH')) {
11	die('Access denied.');
12	}
13
14	class Model_E2pdf_AdobeSign extends Model_E2pdf_Model {
15
16	protected $api = null;
17	protected $provider = array(
18	'api_access_point' => false,
19	'web_access_point' => false,
20	'access_token' => false,
21	'refresh_token' => false,
22	'code' => false,
23	'client_id' => false,
24	'client_secret' => false,
25	);
26
27	public function __construct() {
28
29	parent::__construct();
30
31	$this->provider = array(
32	'api_access_point' => get_option('e2pdf_adobesign_api_access_point'),
33	'web_access_point' => get_option('e2pdf_adobesign_web_access_point'),
34	'access_token' => get_transient('e2pdf_adobesign_access_token'),
35	'refresh_token' => get_option('e2pdf_adobesign_refresh_token'),
36	'code' => get_option('e2pdf_adobesign_code'),
37	'client_id' => get_option('e2pdf_adobesign_client_id'),
38	'client_secret' => get_option('e2pdf_adobesign_client_secret'),
39	);
40
41	if (!$this->provider['access_token'] && $this->provider['refresh_token']) {
42	$this->set(
43	array(
44	'action' => 'oauth/v2/refresh',
45	'data' => array(
46	'grant_type' => 'refresh_token',
47	'client_id' => $this->provider['client_id'],
48	'client_secret' => $this->provider['client_secret'],
49	'refresh_token' => $this->provider['refresh_token'],
50	),
51	)
52	);
53	$access_token = $this->request('access_token');
54	if ($access_token) {
55	set_transient('e2pdf_adobesign_access_token', $access_token, 1800);
56	set_transient('e2pdf_adobesign_refresh_token', $this->provider['refresh_token'], 2592000);
57	$this->provider['access_token'] = $access_token;
58	}
59	$this->flush();
60	}
61	}
62
63	// get code
64	public function get_code() {
65	$response = array();
66	if ($this->provider['client_id'] && $this->provider['client_secret']) {
67	$scopes = array();
68	$options = Model_E2pdf_Options::get_options(false, array('adobesign_group'));
69	foreach ($options as $group_key => $group) {
70	foreach ($group['options'] as $option_key => $option_value) {
71	if (substr($option_value['key'], 0, 21) === 'e2pdf_adobesign_scope' && $option_value['value']) {
72	$scopes[] = substr($option_value['key'], 22) . ':' . $option_value['value'];
73	}
74	}
75	}
76	$data = array(
77	'response_type' => 'code',
78	'client_id' => $this->provider['client_id'],
79	// phpcs:ignore WordPress.PHP.DiscouragedPHPFunctions.urlencode_urlencode
80	'redirect_uri' => urlencode(
81	get_option('e2pdf_adobe_api_version') == '1' ? site_url('/e2pdf-rpc/v1/adobe/auth?api_key=' . get_option('e2pdf_adobe_api_key')) : $this->helper->get_url(
82	array(
83	'page' => 'e2pdf-settings',
84	'action' => 'adobesign',
85	)
86	),
87	),
88	'scope' => implode('+', $scopes),
89	);
90	$response['redirect'] = sprintf('https://secure.%s.echosign.com/public/oauth/v2', get_option('e2pdf_adobesign_region')) . '?' . urldecode(http_build_query($data));
91	}
92	return $response;
93	}
94
95	// get token
96	public function get_token() {
97	$response = array();
98	$this->set(
99	array(
100	'action' => 'oauth/v2/token',
101	'data' => array(
102	'grant_type' => 'authorization_code',
103	'redirect_uri' => get_option('e2pdf_adobe_api_version') == '1' ? site_url('/e2pdf-rpc/v1/adobe/auth?api_key=' . get_option('e2pdf_adobe_api_key')) : $this->helper->get_url(
104	array(
105	'page' => 'e2pdf-settings',
106	'action' => 'adobesign',
107	)
108	),
109	'client_id' => $this->provider['client_id'],
110	'client_secret' => $this->provider['client_secret'],
111	'code' => $this->provider['code'],
112	),
113	)
114	);
115	$request = $this->request();
116
117	$this->flush();
118	if (isset($request['access_token']) && isset($request['refresh_token'])) {
119	update_option('e2pdf_adobesign_refresh_token', $request['refresh_token']);
120	update_option('e2pdf_adobesign_api_access_point', $request['api_access_point']);
121	update_option('e2pdf_adobesign_web_access_point', $request['web_access_point']);
122	set_transient('e2pdf_adobesign_access_token', $request['access_token'], 1800);
123	set_transient('e2pdf_adobesign_refresh_token', $request['refresh_token'], 2592000);
124	} elseif (isset($request['error'])) {
125	$response['error'] = $request['error'];
126	} else {
127	$response['error'] = __('Something went wrong!', 'e2pdf');
128	}
129	return $response;
130	}
131
132	// request
133	public function request($key = false) {
134
135	if ($this->api && isset($this->api->action) && ($this->provider['api_access_point'] \|\| $this->api->action == 'oauth/v2/token')) {
136
137	$response = array();
138	$headers = array();
139	$data = array();
140	$json_data = '[]';
141
142	if (!empty($this->api->data)) {
143	$data = array_merge($data, $this->api->data);
144	}
145
146	if ($this->api->action != 'oauth/v2/refresh' && $this->api->action != 'oauth/v2/token') {
147	if ($this->provider['access_token']) {
148	$headers[] = 'Authorization: Bearear';
149	$headers[] = 'Access-Token: ' . $this->provider['access_token'];
150	} else {
151	$response['error'] = __('Access Token is not set or Incorrect', 'e2pdf');
152	return $response;
153	}
154	}
155
156	if ($this->api->action == 'oauth/v2/token') {
157	$headers[] = 'Content-Type: application/x-www-form-urlencoded';
158	$this->provider['api_access_point'] = 'https://api.echosign.com/';
159	} elseif ($this->api->action == 'oauth/v2/refresh') {
160	$headers[] = 'Content-Type: application/x-www-form-urlencoded';
161	} elseif ($this->api->action == 'api/rest/v5/transientDocuments') {
162	$headers[] = 'Content-Type: multipart/form-data';
163	} else {
164	// phpcs:ignore WordPress.WP.AlternativeFunctions.json_encode_json_encode
165	$json_data = json_encode($data);
166	$headers[] = 'Content-Type: application/json';
167	$headers[] = 'Content-Length: ' . strlen($json_data);
168	}
169
170	$request_url = $this->provider['api_access_point'] . $this->api->action;
171	$timeout = get_option('e2pdf_connection_timeout', '300');
172
173	// phpcs:disable WordPress.WP.AlternativeFunctions
174	$ch = curl_init($request_url);
175	curl_setopt($ch, CURLOPT_HTTPHEADER, $headers);
176	curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, false);
177	curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, false);
178	curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
179	if (!ini_get('safe_mode') && !ini_get('open_basedir')) {
180	curl_setopt($ch, CURLOPT_FOLLOWLOCATION, true);
181	}
182	curl_setopt($ch, CURLOPT_CONNECTTIMEOUT, $timeout);
183
184	if (isset($this->api->method) && $this->api->method) {
185	curl_setopt($ch, CURLOPT_CUSTOMREQUEST, $this->api->method);
186	}
187
188	if ($this->api->action == 'oauth/v2/refresh' \|\| $this->api->action == 'oauth/v2/token') {
189	curl_setopt($ch, CURLOPT_POSTFIELDS, http_build_query($data));
190	} elseif ($this->api->action == 'api/rest/v5/transientDocuments') {
191	curl_setopt($ch, CURLOPT_POSTFIELDS, $data);
192	} else {
193	curl_setopt($ch, CURLOPT_POSTFIELDS, $json_data);
194	}
195
196	$json = curl_exec($ch);
197	$curl_errno = curl_errno($ch);
198	$curl_error = curl_error($ch);
199	curl_close($ch);
200	// phpcs:enable
201
202	if ($curl_errno > 0) {
203	$response['error'] = "[{$curl_errno}] {$curl_error}";
204	} else {
205	$result = json_decode($json, true);
206	$response = $result;
207	if (empty($response)) {
208	$response['error'] = __('Something went wrong!', 'e2pdf');
209	}
210	}
211
212	if ($key) {
213	if (isset($response[$key])) {
214	return $response[$key];
215	} else {
216	return false;
217	}
218	} else {
219	return $response;
220	}
221	}
222
223	return false;
224	}
225
226	// flush
227	public function flush() {
228	$this->api = null;
229	}
230
231	// set
232	public function set($key, $value = false) {
233	if (!$this->api) {
234	$this->api = new stdClass();
235	}
236	if (is_array($key)) {
237	foreach ($key as $attr => $value) {
238	$this->api->$attr = $value;
239	}
240	} else {
241	$this->api->$key = $value;
242	}
243	}
244	}
245