wpsso / lib / com / bitly.php

bitly.php in WPSSO Core – Complete Schema Markup and Meta Tags 22.7.0, at lib/com/bitly.php

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1	<?php
2	/*
3	* License: GPLv3
4	* License URI: https://www.gnu.org/licenses/gpl.txt
5	* Copyright 2019-2026 Jean-Sebastien Morisset (https://surniaulula.com/)
6	*/
7
8	if ( ! defined( 'ABSPATH' ) ) {
9
10	die( 'These aren\'t the droids you\'re looking for.' );
11	}
12
13	if ( ! class_exists( 'SucomBitly' ) ) {
14
15	class SucomBitly {
16
17	private $access_token = '';
18	private $domain = '';
19	private $group_guid = '';
20	private $curl_connect_timeout = 5; // The number of seconds to wait while trying to connect. Use 0 to wait indefinitely.
21	private $curl_timeout = 15; // The maximum number of seconds to allow cURL functions to execute.
22	private $curl_max_redirs = 10; // The maximum amount of HTTP redirections to follow.
23
24	private static $groups_api_url = 'https://api-ssl.bitly.com/v4/groups';
25	private static $shorten_api_url = 'https://api-ssl.bitly.com/v4/shorten';
26
27	public function __construct( $access_token, $domain = '', $group_name = '' ) {
28
29	$this->access_token = $access_token;
30	$this->domain = $domain;
31	$this->group_guid = $this->get_group_guid( $group_name );
32	}
33
34	public function get_group_guid( $group_name = '' ) {
35
36	if ( '' === $group_name ) {
37
38	return '';
39	}
40
41	$resp_data = $this->api_call( self::$groups_api_url );
42
43	try {
44
45	if ( is_array( $resp_data->groups ) ) {
46
47	foreach ( $resp_data->groups as $group ) {
48
49	if ( ! empty( $group->guid ) ) { // Just in case.
50
51	if ( $group->name === $group_name ) {
52
53	return $group->guid; // Return guid for the group name.
54	}
55	}
56	}
57
58	$group_msg = sprintf( __( 'Group name "%s" not found in the Bitly API response data.', 'wpsso' ), $group_name );
59
60	$except_msg = sprintf( __( '%1$s shortener API error: %2$s', 'wpsso' ), 'Bitly', $group_msg );
61
62	throw new WpssoErrorException( $except_msg );
63
64	} else {
65
66	$group_msg = __( 'Groups property missing from the Bitly API response data.', 'wpsso' );
67
68	$except_msg = sprintf( __( '%1$s shortener API error: %2$s', 'wpsso' ), 'Bitly', $group_msg );
69
70	throw new WpssoErrorException( $except_msg );
71	}
72
73	} catch ( WpssoErrorException $e ) {
74
75	return $e->errorMessage( $ret = false );
76	}
77
78	return false;
79	}
80
81	public function shorten( $long_url ) {
82
83	if ( empty( $long_url ) ) {
84
85	return false; // Nothing to shorten.
86	}
87
88	$api_data = array(
89	'long_url' => (string) $long_url,
90	);
91
92	if ( ! empty( $this->domain ) ) {
93
94	$api_data[ 'domain' ] = (string) $this->domain;
95	}
96
97	if ( ! empty( $this->group_guid ) ) {
98
99	$api_data[ 'group_guid' ] = (string) $this->group_guid;
100	}
101
102	$resp_data = $this->api_call( self::$shorten_api_url, $api_data );
103
104	try {
105
106	if ( empty( $resp_data->link ) ) {
107
108	$url_msg = __( 'Link property value is empty.', 'wpsso' );
109
110	$except_msg = sprintf( __( '%1$s shortener API error: %2$s', 'wpsso' ), 'Bitly', $url_msg );
111
112	throw new WpssoErrorException( $except_msg );
113
114	} else {
115
116	return $resp_data->link;
117	}
118
119	} catch ( WpssoErrorException $e ) {
120
121	return $e->errorMessage();
122	}
123
124	return false;
125	}
126
127	private function api_call( $api_url, $api_data = array() ) {
128
129	$api_data_enc = wp_json_encode( $api_data );
130
131	$ch = curl_init();
132
133	$curl_headers = array(
134	'Content-Type: application/json',
135	'Authorization: Bearer ' . $this->access_token,
136	'Accept: application/json',
137	'Expect:',
138	);
139
140	if ( ! empty( $api_data ) ) {
141
142	$curl_headers[] = 'Content-Length: ' . strlen( $api_data_enc );
143
144	curl_setopt( $ch, CURLOPT_CUSTOMREQUEST, 'POST' );
145	curl_setopt( $ch, CURLOPT_POSTFIELDS, $api_data_enc );
146	}
147
148	curl_setopt( $ch, CURLOPT_URL, $api_url );
149	curl_setopt( $ch, CURLOPT_RETURNTRANSFER, 1 );
150	curl_setopt( $ch, CURLOPT_CONNECTTIMEOUT, $this->curl_connect_timeout );
151	curl_setopt( $ch, CURLOPT_TIMEOUT, $this->curl_timeout );
152	curl_setopt( $ch, CURLOPT_SSL_VERIFYPEER, 1 );
153	curl_setopt( $ch, CURLOPT_SSL_VERIFYHOST, 2 );
154	curl_setopt( $ch, CURLOPT_HTTPHEADER, $curl_headers );
155
156	$response = curl_exec( $ch );
157	$curl_errnum = curl_errno( $ch );
158	$curl_errmsg = curl_error( $ch ); // See https://curl.se/libcurl/c/libcurl-errors.html.
159	$ssl_verify = (int) curl_getinfo( $ch, CURLINFO_SSL_VERIFYRESULT ); // See https://www.php.net/manual/en/function.curl-getinfo.php.
160	$http_code = (int) curl_getinfo( $ch, CURLINFO_HTTP_CODE );
161
162	curl_close( $ch );
163
164	$http_success_codes = array( 200, 201 );
165
166	try {
167
168	if ( ! empty( $curl_errnum ) ) {
169
170	$except_msg = sprintf( __( '%1$s shortener API error: %2$s', 'wpsso' ), 'Bitly', $curl_errnum . ' ' . $curl_errmsg );
171
172	throw new WpssoErrorException( $except_msg );
173
174	} elseif ( ! in_array( $http_code, $http_success_codes ) ) {
175
176	$resp_data = json_decode( $response, $assoc = false );
177
178	$json_error = trim( ( isset( $resp_data->message ) ? $resp_data->message : '' ) . ' ' .
179	( isset( $resp_data->description ) ? $resp_data->description : '' ) );
180
181	if ( ! empty( $json_error ) ) {
182
183	$except_msg = sprintf( __( '%1$s shortener API error: %2$s', 'wpsso' ), 'Bitly', $json_error );
184
185	throw new WpssoErrorException( $except_msg );
186
187	} else {
188
189	$except_msg = sprintf( __( '%1$s shortener API error: %2$s', 'wpsso' ), 'Bitly', '' );
190
191	throw new WpssoErrorException( $except_msg, $http_code );
192	}
193
194	} else {
195
196	$resp_data = json_decode( $response, $assoc = false );
197
198	if ( null === $resp_data ) {
199
200	$json_msg = sprintf( __( 'JSON response decode error code %d.', 'wpsso' ), json_last_error() );
201
202	$except_msg = sprintf( __( '%1$s shortener API error: %2$s', 'wpsso' ), 'Bitly', $json_msg );
203
204	throw new WpssoErrorException( $except_msg );
205
206	} else return $resp_data;
207	}
208
209	} catch ( WpssoErrorException $e ) {
210
211	return $e->errorMessage();
212	}
213
214	return false;
215	}
216	}
217	}
218