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1<?php
2/**
3 * Handle AJAX requests on the settings page. Primarily for testing the configuration.
4
5 * @package brianhenryie/bh-wp-aws-ses-bounce-handler
6 * @author Brian Henry <BrianHenryIE@gmail.com>
7 */
8
9namespace BrianHenryIE\AWS_SES_Bounce_Handler\Admin;
10
11use BrianHenryIE\AWS_SES_Bounce_Handler\API_Interface;
12use Psr\Log\LoggerAwareTrait;
13use Psr\Log\LoggerInterface;
14
15/**
16 * Code to run the ses test and to poll for its completion.
17 */
18class Ajax {
19
20    use LoggerAwareTrait;
21
22    const AWS_SES_BOUNCE_TESTS = 'aws_ses_bounce_tests';
23
24    /**
25     * @var API_Interface
26     */
27    protected API_Interface $api;
28
29    public function __construct( API_Interface $api, LoggerInterface $logger ) {
30        $this->setLogger( $logger );
31        $this->api = $api;
32    }
33
34    /**
35     * Creates a new test – the time is used as a uid and in the AWS bounce simulator email address.
36     */
37    public function run_ses_bounce_test(): void {
38
39        $data = array();
40
41        // Verify nonce.
42        if ( ! check_ajax_referer( 'run-ses-bounce-test-form', false, false ) ) {
43
44            $data['message'] = 'Referrer/nonce failure';
45
46            wp_send_json_error( $data, 400 );
47        }
48
49        // TODO Verify settings: ARN exists, wp_mail correct, before enabling button.
50
51        $test = new Bounce_Handler_Test( $this->api, $this->logger );
52
53        $data = $test->run_test();
54
55        $data['notice']       = 'info';
56        $data['bounceTestId'] = $test->get_id();
57
58        $all_bounce_test_data                    = (array) get_option( self::AWS_SES_BOUNCE_TESTS, array() );
59        $all_bounce_test_data[ $test->get_id() ] = $test;
60        update_option( self::AWS_SES_BOUNCE_TESTS, $all_bounce_test_data );
61
62        $data['newNonce'] = wp_create_nonce( 'run-ses-bounce-test-form' );
63
64        wp_send_json( $data );
65    }
66
67    /**
68     * Check the nonce, get the saved test data, check has the bounce been received and processed correctly.
69     *
70     * Return an array { 'testSuccess', 'testComplete', 'html', 'newNonce' }
71     */
72    public function fetch_test_results(): void {
73
74        $data = array();
75
76        // Verify nonce.
77        if ( ! check_ajax_referer( 'run-ses-bounce-test-form', false, false ) ) {
78
79            $data['message'] = 'Referrer/nonce failure';
80
81            wp_send_json_error( $data, 400 );
82        }
83
84        if ( ! isset( $_POST['bounce_test_id'] ) ) {
85
86            $data['message'] = 'bounce_test_id not set.';
87
88            wp_send_json_error( $data, 400 );
89        }
90
91        $bounce_test_id = intval( $_POST['bounce_test_id'] );
92
93        /**
94         * The previously saved tests.
95         *
96         * @var Bounce_Handler_Test[] $all_bounce_test_data
97         */
98        $all_bounce_test_data = (array) get_option( self::AWS_SES_BOUNCE_TESTS, array() );
99
100        $test = $all_bounce_test_data[ $bounce_test_id ];
101
102        $data = $test->verify_test();
103        // The test is complete if it was successful.
104        $data['testComplete'] = $data['testSuccess'];
105
106        if ( time() - intval( $bounce_test_id ) > MINUTE_IN_SECONDS ) {
107            $data['testSuccess']  = false;
108            $data['testComplete'] = true;
109            $data['html']         = '<p><b>Test failed to complete within ' . MINUTE_IN_SECONDS . ' seconds. Test data remained unchanged.</b></p>';
110        }
111
112        $data['newNonce'] = wp_create_nonce( 'run-ses-bounce-test-form' );
113
114        wp_send_json( $data );
115    }
116
117    /**
118     * Delete saved test data for a specified bounce handler test.
119     */
120    public function delete_test_data(): void {
121
122        $data = array();
123        // Verify nonce.
124        if ( ! check_ajax_referer( 'run-ses-bounce-test-form', false, false ) ) {
125
126            $data['message'] = 'Referrer/nonce failure';
127
128            wp_send_json_error( $data, 400 );
129        }
130
131        if ( ! isset( $_POST['bounce_test_id'] ) ) {
132
133            $data['message'] = 'bounce_test_id not set.';
134
135            wp_send_json_error( $data, 400 );
136        }
137
138        $bounce_test_id = intval( $_POST['bounce_test_id'] );
139
140        /**
141         * The previously saved tests.
142         *
143         * @var Bounce_Handler_Test[] $all_bounce_test_data
144         */
145        $all_bounce_test_data = (array) get_option( self::AWS_SES_BOUNCE_TESTS, array() );
146
147        $all_bounce_test_data[ $bounce_test_id ]->delete_test_data();
148
149        wp_send_json( $data );
150    }
151
152    /**
153     * Change the log level.
154     *
155     * Handle POST
156     *
157     * @hooked wp_ajax_bh_wp_aws_ses_bounce_handler_set_log_level
158     */
159    public function set_log_level(): void {
160
161        $data = array();
162        // Verify nonce.
163        if ( ! check_ajax_referer( 'set_log_level', false, false ) ) {
164
165            $data['notice']  = 'error';
166            $data['message'] = __( 'Referrer/nonce failure', 'bh-wp-aws-ses-bounce-handler' );
167
168            wp_send_json_error( $data, 400 );
169        }
170
171        if ( ! isset( $_POST['log_level'] ) ) {
172
173            $data['notice']  = 'error';
174            $data['message'] = __( 'log_level not set in POST body.', 'bh-wp-aws-ses-bounce-handler' );
175
176            wp_send_json_error( $data, 400 );
177        }
178
179        $log_level = sanitize_key( wp_unslash( $_POST['log_level'] ) );
180
181        $result = $this->api->set_log_level( $log_level );
182        $data   = $result;
183
184        // TODO: use notice=notice when it has not changed.
185        if ( true !== $result['success'] ) {
186            $data['notice'] = 'error';
187            wp_send_json_error( $data, 500 );
188        } else {
189            $data['notice'] = 'success';
190            wp_send_json( $data );
191        }
192    }
193}