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Double Opt-In for Contact Form 7 – Secure, GDPR-Compliant Email Verification / 5.7.0
Double Opt-In for Contact Form 7 – Secure, GDPR-Compliant Email Verification v5.7.0
5.8.0 5.8.1 5.7.0 5.6.2 5.6.3 5.6.1 5.6.0 5.5.0 5.4.0 5.3.2 5.3.1 5.1.6 5.1.5 trunk 2.1.5 2.11 2.12 2.13 2.15 3.0.0 3.0.1 3.0.2 3.0.3 3.0.5 3.0.51 All 41 releases
← All changes | CF7DoubleOptIn.class.php +93 -5 5.1.5 → 5.7.0 View file →
@@ -14,14 +14,51 @@
14 14 * Plugin URI: https://www.forge12.com/blog/so-verwendest-du-das-double-opt-in-fuer-contact-form-7/
15 15 * Description: This plugin allows you to add a double OptIn System to your Contact Form 7 & Avada Forms.
16 16 * Text Domain: double-opt-in
17 17 * Domain Path: /languages
18 - * Version: 5.1.5
18 + * Version: 5.7.0
19 + * Requires at least: 6.0
20 + * Requires PHP: 7.4
19 21 * Author: Forge12 Interactive GmbH
20 22 * Author URI: https://www.forge12.com
21 23 */
24 +
25 + /**
26 + * Minimum-PHP fail-safe.
27 + *
28 + * The "Requires PHP" header above makes WordPress refuse *activation* and
29 + * *updates* on an unsupported version, but it is not re-checked when a host
30 + * later moves an already-active site to an older PHP. Without this guard the
31 + * next request would fatal on 7.4-only syntax inside the files required
32 + * below, leaving the site with a white screen and no explanation.
33 + *
34 + * Everything above this point must stay parseable by old PHP — a parse error
35 + * happens before any code runs, so a guard in an unparseable file is dead
36 + * weight. That is also why CF7DoubleOptIn::$logger carries its type in a
37 + * DocBlock instead of a native (PHP 7.4) property type.
38 + */
39 + if ( PHP_VERSION_ID < 70400 ) {
40 + add_action(
41 + 'admin_notices',
42 + function () {
43 + echo '<div class="notice notice-error"><p>';
44 + echo esc_html(
45 + sprintf(
46 + /* translators: 1: minimum required PHP version, 2: PHP version currently running */
47 + __( 'Double Opt-In requires PHP %1$s or newer. This server is running PHP %2$s, so the plugin was stopped to prevent a fatal error. Please ask your host to update PHP.', 'double-opt-in' ),
48 + '7.4',
49 + PHP_VERSION
50 + )
51 + );
52 + echo '</p></div>';
53 + }
54 + );
55 +
56 + return;
57 + }
58 +
22 59 if ( ! defined( 'FORGE12_OPTIN_VERSION' ) ) {
23 - define( 'FORGE12_OPTIN_VERSION', '5.1.5' );
60 + define( 'FORGE12_OPTIN_VERSION', '5.7.0' );
24 61 }
25 62
26 63 // Addon API version — semver-independent from the plugin's marketing
27 64 // version. Bumped only on breaking changes to the Addon API surface
@@ -27,10 +64,20 @@
27 64 // version. Bumped only on breaking changes to the Addon API surface
28 65 // (AddonInterface, AddonRegistry, AddonLicenseRegistry, FormIntegrationInterface,
29 66 // event payloads). Addons declare their requirement against this constant,
30 67 // not FORGE12_OPTIN_VERSION.
68 + //
69 + // 4.4.0 (additive): FollowUp\FollowUpAdapterInterface, FollowUpCoordinator,
70 + // FollowUpAdapterRegistry. Addons that implement follow-up adapters
71 + // require ^4.4; everything else keeps working against 4.3.
72 + //
73 + // 4.5.0 (additive): AbstractFormIntegration::refusedConsentBeforeSubmit(),
74 + // OptInError::isAlwaysShown()/shouldShowToVisitor(),
75 + // OptInFrontend::getLastCreationError(), ErrorNotification::forget().
76 + // The Elementor, WPForms and Gravity Forms add-ons call them only when they
77 + // exist (method_exists), so their requirement stays ^4.4.
31 78 if ( ! defined( 'F12_DOI_CORE_API_VERSION' ) ) {
32 - define( 'F12_DOI_CORE_API_VERSION', '4.3.0' );
79 + define( 'F12_DOI_CORE_API_VERSION', '4.5.0' );
33 80 }
34 81 if ( ! defined( 'FORGE12_OPTIN_SLUG' ) ) {
35 82 define( 'FORGE12_OPTIN_SLUG', 'f12-cf7-doubleoptin' );
36 83 }
@@ -47,14 +94,25 @@
47 94 */
48 95 require_once 'logger/logger.php';
49 96 require_once 'core/helpers/uuid.php';
50 97 require_once 'core/telemetry.php';
98 + // feedback.php first: review.php, credit_nudge.php and the deactivation
99 + // survey all build their links with it.
100 + require_once 'core/feedback.php';
51 101 require_once 'core/review.php';
102 + require_once 'core/confirmation_output.php';
103 + require_once 'core/credit_link.php';
104 + require_once 'core/credit_nudge.php';
105 + require_once 'core/deactivation_survey.php';
106 + require_once 'core/admin_links.php';
52 107 require_once 'core/cron.php';
53 108 require_once 'core/BaseController.class.php';
54 109
55 110 require_once 'OnActivation.php';
56 111 require_once 'OnDeactivation.php';
112 + // OnUpdate runs at include time, before autoload.php is registered
113 + // further down — load the one PSR-4 class it needs explicitly.
114 + require_once 'src/Repository/FollowUpSchema.php';
57 115 require_once 'OnUpdate.php';
58 116 require_once 'compatibility/OptInFrontend.class.php';
59 117 require_once 'core/SpamMechanics.class.php';
60 118
@@ -87,10 +145,17 @@
87 145 *
88 146 * @package forge12\contactform7
89 147 */
90 148 class CF7DoubleOptIn {
91 - private LoggerInterface $logger;
92 149 /**
150 + * Deliberately untyped: a native property type is PHP 7.4 syntax and
151 + * would make this file unparseable on older PHP, which would defeat the
152 + * minimum-PHP guard at the top of this file.
153 + *
154 + * @var LoggerInterface
155 + */
156 + private $logger;
157 + /**
93 158 * @var CF7DoubleOptIn|Null
94 159 */
95 160 private static $_instance = null;
96 161
@@ -384,8 +449,11 @@
384 449
385 450 // Register admin REST API and audit services (v4.2.0+)
386 451 $container->addProvider( new \Forge12\DoubleOptIn\Providers\AdminServiceProvider() );
387 452
453 + // Setup wizard (v5.7.0+)
454 + $container->addProvider( new \Forge12\DoubleOptIn\Providers\SetupServiceProvider() );
455 +
388 456 // Register licensing registry (v4.3.0+ — entitlement state for paid addons)
389 457 $container->addProvider( new \Forge12\DoubleOptIn\Providers\LicensingServiceProvider() );
390 458
391 459 // Register migration registry (v4.3.0+ — runs pending DB migrations on admin_init)
@@ -390,11 +458,22 @@
390 458
391 459 // Register migration registry (v4.3.0+ — runs pending DB migrations on admin_init)
392 460 $container->addProvider( new \Forge12\DoubleOptIn\Providers\MigrationServiceProvider() );
393 461
462 + // Register follow-up coordinator (v5.6.0+ — status + retry of
463 + // post-confirmation actions). Before AddonServiceProvider so
464 + // the adapter registry exists when the form addons boot.
465 + $container->addProvider( new \Forge12\DoubleOptIn\Providers\FollowUpServiceProvider() );
466 +
394 467 // Register addon system (v4.3.0+ — public Addon API)
395 468 $container->addProvider( new \Forge12\DoubleOptIn\Providers\AddonServiceProvider() );
396 469
470 + // Register health checks (v5.3.0+ — Site Health surfaces for
471 + // broken runtime preconditions such as a missing DB table).
472 + // After AddonServiceProvider so addon-contributed checks are
473 + // picked up by the registry's filter pass.
474 + $container->addProvider( new \Forge12\DoubleOptIn\Providers\HealthServiceProvider() );
475 +
397 476 // Register RateLimiter as singleton
398 477 $container->singleton(
399 478 \Forge12\DoubleOptIn\Service\RateLimiter::class,
400 479 function () {
@@ -504,8 +583,17 @@
504 583 'delete_unconfirmed' => 7,
505 584 'delete_period' => 'months',
506 585 'delete_unconfirmed_period' => 'months',
507 586 'privacy_policy_page' => 0,
587 + // Must be listed even though the opt-out addon owns the
588 + // feature: getSettings() rebuilds its return value from
589 + // THIS array and silently drops any stored key that is
590 + // missing here. Without the entry, every consumer of
591 + // getSettings()['optout_page'] — OptInLinkGenerator and
592 + // OptIn::get_link_optout(), i.e. the `[doubleoptoutlink]`
593 + // placeholder — fell back to home_url() no matter what
594 + // the admin had configured.
595 + 'optout_page' => 0,
508 596 'token_expiry_hours' => 48,
509 597 'rate_limit_ip' => 5,
510 598 'rate_limit_email' => 3,
511 599 'rate_limit_window' => 60,
@@ -639,9 +727,9 @@
639 727 // Show warning for major/minor version changes
640 728 if ( version_compare( $new_minor, $current_minor, '>' ) ) {
641 729 $upgrade_notice = sprintf(
642 730 '</p><div class="notice inline notice-warning notice-alt" style="margin: 10px 0; padding: 10px; border-left-color: #ffb900;"><p><strong>%s</strong></p><p>%s</p></div><p style="display:none;">',
643 - esc_html__( '⚠️ Important: Major Update – Please backup before updating!', 'double-opt-in' ),
731 + esc_html__( 'Important: Major Update – Please backup before updating!', 'double-opt-in' ),
644 732 esc_html__( 'This version includes significant changes to the form management system, email templates, and database structure. We strongly recommend creating a full site backup before updating.', 'double-opt-in' )
645 733 );
646 734
647 735 echo wp_kses_post( $upgrade_notice );