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File Content: `access.php`

<?php
/**
 * Helper functions to work with licenses, permissions and capabilities.
 *
 * @since 1.8.0
 */

/**
 * Determine if the plugin/addon installations are allowed.
 *
 * @since 1.6.2.3
 *
 * @param string $type Should be `plugin` or `addon`.
 *
 * @return bool
 */
function wpforms_can_install( $type ) {

	return wpforms_can_do( 'install', $type );
}

/**
 * Determine if the plugin/addon activations are allowed.
 *
 * @since 1.7.3
 *
 * @param string $type Should be `plugin` or `addon`.
 *
 * @return bool
 */
function wpforms_can_activate( $type ) {

	return wpforms_can_do( 'activate', $type );
}

/**
 * Determine if the plugin/addon installations/activations are allowed.
 *
 * @since 1.7.3
 *
 * @internal Use wpforms_can_activate() or wpforms_can_install() instead.
 *
 * @param string $what Should be 'activate' or 'install'.
 * @param string $type Should be `plugin` or `addon`.
 *
 * @return bool
 */
function wpforms_can_do( $what, $type ) {

	if ( ! in_array( $what, [ 'install', 'activate' ], true ) ) {
		return false;
	}

	if ( ! in_array( $type, [ 'plugin', 'addon' ], true ) ) {
		return false;
	}

	$capability = $what . '_plugins';

	if ( ! current_user_can( $capability ) ) {
		return false;
	}

	// Determine whether file modifications are allowed and it is activation permissions checking.
	if ( $what === 'install' && ! wp_is_file_mod_allowed( 'wpforms_can_install' ) ) {
		return false;
	}

	// All plugin checks are done.
	if ( $type === 'plugin' ) {
		return true;
	}

	// Addons require additional license checks.
	$license = get_option( 'wpforms_license', [] );

	// Allow addons installation if license is not expired, enabled and valid.
	return empty( $license['is_expired'] ) && empty( $license['is_disabled'] ) && empty( $license['is_invalid'] );
}

/**
 * Get the current installation license type (always lowercase).
 *
 * @since 1.5.6
 *
 * @return string|false
 */
function wpforms_get_license_type() {

	$type = wpforms_setting( 'type', '', 'wpforms_license' );

	if ( empty( $type ) || ! wpforms()->is_pro() ) {
		return false;
	}

	return strtolower( $type );
}

/**
 * Get the current installation license key.
 *
 * @since 1.6.2.3
 * @since 1.8.0 WPFORMS_LICENSE_KEY constant has higher priority than the DB option.
 *
 * @return string
 */
function wpforms_get_license_key() {

	// Allow wp-config constant to pass key.
	if ( defined( 'WPFORMS_LICENSE_KEY' ) && WPFORMS_LICENSE_KEY ) {
		return WPFORMS_LICENSE_KEY;
	}

	return wpforms_setting( 'key', '', 'wpforms_license' );
}

/**
 * Get when WPForms was first installed.
 *
 * @since 1.6.0
 *
 * @param string $type Specific install type to check for.
 *
 * @return int|false Unix timestamp. False on failure.
 */
function wpforms_get_activated_timestamp( $type = '' ) {

	$activated = (array) get_option( 'wpforms_activated', [] );

	if ( empty( $activated ) ) {
		return false;
	}

	// When a passed install type is empty, then get it from a DB.
	// If it is installed/activated first, it is saved first.
	$type = empty( $type ) ? (string) array_keys( $activated )[0] : $type;

	if ( ! empty( $activated[ $type ] ) ) {
		return absint( $activated[ $type ] );
	}

	// Fallback.
	$types = array_diff( [ 'lite', 'pro' ], [ $type ] );

	foreach ( $types as $_type ) {
		if ( ! empty( $activated[ $_type ] ) ) {
			return absint( $activated[ $_type ] );
		}
	}

	return false;
}

/**
 * Retrieve a timestamp when WPForms was upgraded.
 *
 * @since 1.7.5
 *
 * @param string $version Specific plugin version to check for.
 *
 * @return int|false Unix timestamp or migration status. False on failure.
 *                   Available migration statuses:
 *                   -2 if migration is failed;
 *                   -1 if migration is started (in progress);
 *                    0 if migration is completed, but no luck to set a timestamp.
 */
function wpforms_get_upgraded_timestamp( $version ) {

	$option_name = wpforms()->is_pro() ? 'wpforms_versions' : 'wpforms_versions_lite';
	$upgrades    = (array) get_option( $option_name, [] );

	if ( ! isset( $upgrades[ $version ] ) ) {
		return false;
	}

	return (int) $upgrades[ $version ];
}

/**
 * Get the default capability to manage everything for WPForms.
 *
 * @since 1.4.4
 *
 * @return string
 */
function wpforms_get_capability_manage_options() {

	return apply_filters( 'wpforms_manage_cap', 'manage_options' );
}

/**
 * Check WPForms permissions for currently logged in user.
 * Both short (e.g. 'view_own_forms') or long (e.g. 'wpforms_view_own_forms') capability name can be used.
 * Only WPForms capabilities get processed.
 *
 * @since 1.4.4
 *
 * @param array|string $caps Capability name(s).
 * @param int          $id   ID of the specific object to check against if capability is a "meta" cap. "Meta"
 *                           capabilities, e.g. 'edit_post', 'edit_user', etc., are capabilities used by
 *                           map_meta_cap() to map to other "primitive" capabilities, e.g. 'edit_posts',
 *                           edit_others_posts', etc. Accessed via func_get_args() and passed to
 *                           WP_User::has_cap(), then map_meta_cap().
 *
 * @return bool
 */
function wpforms_current_user_can( $caps = [], $id = 0 ) {

	$access = wpforms()->obj( 'access' );

	if ( ! method_exists( $access, 'current_user_can' ) ) {
		return false;
	}

	$user_can = $access->current_user_can( $caps , $id );

	return apply_filters( 'wpforms_current_user_can', $user_can, $caps, $id );
}

/**
 * Search for posts editable by user.
 *
 * @since 1.7.9
 *
 * @param string $search_term Optional search term. Default ''.
 * @param array  $args        Args {
 *                            Optional. An array of arguments.
 *
 * @type string   $post_type   Post type to search for.
 * @type string[] $post_status Post status to search for.
 * @type int      $count       Number of results to return. Default 20.
 * }
 *
 * @return array
 * @noinspection PhpTernaryExpressionCanBeReducedToShortVersionInspection
 * @noinspection ElvisOperatorCanBeUsedInspection
 */
function wpforms_search_posts( $search_term = '', $args = [] ) {

	global $wpdb;

	$default_args = [
		'post_type'   => 'page',
		'post_status' => [ 'publish' ],
		'count'       => 20,
	];
	$args         = wp_parse_args( $args, $default_args );

	// @todo: add trash access capabilities to MySQL.
	// See edit_post/edit_page case in map_meta_cap().
	$args['post_status'] = array_diff( $args['post_status'], [ 'trash' ] );

	$user      = wp_get_current_user();
	$user_id   = $user ? $user->ID : 0;
	$post_type = get_post_type_object( $args['post_type'] );

	if ( ! $user_id || ! $post_type || $args['count'] <= 0 ) {
		return [];
	}

	$last_changed = wp_cache_get_last_changed( 'posts' );
	$key          = __FUNCTION__ . ":$search_term:$last_changed";
	$cache_posts  = wp_cache_get( $key, '', false, $found );

	if ( $found ) {
		return $cache_posts;
	}

	$post_title_where = $search_term ? $wpdb->prepare(
		'post_title LIKE %s AND',
		'%' . $wpdb->esc_like( $search_term ) . '%'
	) :
		'';

	$post_statuses              = array_intersect( array_keys( get_post_statuses() ), $args['post_status'] );
	$post_statuses              = wpforms_wpdb_prepare_in( $post_statuses );
	$policy_id                  = (int) get_option( 'wp_page_for_privacy_policy' );
	$can_delete_published_posts = (int) $user->has_cap( $post_type->cap->delete_published_posts );
	$can_delete_posts           = (int) $user->has_cap( $post_type->cap->delete_posts );
	$can_delete_others_posts    = (int) $user->has_cap( $post_type->cap->delete_others_posts );
	$can_delete_private_posts   = (int) $user->has_cap( $post_type->cap->delete_private_posts );
	$can_edit_policy            = (int) $user->has_cap( map_meta_cap( 'manage_privacy_options', $user_id )[0] );

	// For the case when user is post author.
	$capability_author_where = "post_author = $user_id AND
		( ( post_status IN ( 'publish', 'future' ) AND $can_delete_published_posts ) OR
		( ( post_status NOT IN ( 'publish', 'future', 'trash' ) ) AND $can_delete_posts )
		)";

	// For the case when accessing someone other's post.
	$capability_other_where = "post_author != $user_id AND
		$can_delete_others_posts AND
		( ( post_status IN ( 'publish', 'future' ) AND $can_delete_published_posts ) OR
		( ( post_status IN ( 'private' ) ) AND $can_delete_private_posts )
		)";

	// For privacy policy page.
	$capability_policy_where = "ID = $policy_id AND $can_edit_policy";

	$capability_where = '( ' .
		'(' . $capability_author_where . ') OR ' .
		'(' . $capability_other_where . ') OR ' .
		'(' . $capability_policy_where . ')' .
		' )';

	// phpcs:disable WordPress.DB.DirectDatabaseQuery.DirectQuery, WordPress.DB.PreparedSQL.InterpolatedNotPrepared
	$posts = $wpdb->get_results(
		$wpdb->prepare(
			"SELECT ID, post_title, post_author
					FROM $wpdb->posts
					WHERE $post_title_where
					post_type = %s AND
					post_status IN ( $post_statuses ) AND
					$capability_where
					ORDER BY post_title LIMIT %d",
			$args['post_type'],
			absint( $args['count'] )
		)
	);
	// phpcs:enable WordPress.DB.PreparedSQL.InterpolatedNotPrepared

	$posts = $posts ? $posts : [];
	$posts = array_map(
		static function ( $post ) {
			$post->post_title = wpforms_get_post_title( $post );

			unset( $post->post_author );

			return $post;
		},
		$posts
	);

	wp_cache_set( $key, $posts );

	return $posts;
}

/**
 * Search pages by search term and return an array containing
 * `value` and `label` which is the post ID and post title respectively.
 *
 * @since 1.7.9
 *
 * @param string $search_term The search term.
 * @param array  $args        Optional. An array of arguments.
 *
 * @return array
 */
function wpforms_search_pages_for_dropdown( $search_term, $args = [] ) {

	$search_results = wpforms_search_posts( $search_term, $args );
	$result_pages   = [];

	// Prepare for ChoicesJS render.
	foreach ( $search_results as $search_result ) {
		$result_pages[] = [
			'value' => absint( $search_result->ID ),
			'label' => esc_html( $search_result->post_title ),
		];
	}

	return $result_pages;
}
Name	Size	Permission
access.php	10087 bytes	0644
checks.php	14746 bytes	0644
colors.php	4067 bytes	0644
data-presets.php	19488 bytes	0644
date-time.php	3279 bytes	0644
debug.php	5354 bytes	0644
education.php	2376 bytes	0644
escape-sanitize.php	14233 bytes	0644
filesystem-media.php	6736 bytes	0644
form-fields.php	16908 bytes	0644
forms.php	13122 bytes	0644
list.php	7040 bytes	0644
payments.php	21736 bytes	0644
plugins.php	1626 bytes	0644
privacy.php	2559 bytes	0644
providers.php	1522 bytes	0644
unused.php	7942 bytes	0644
utilities.php	8151 bytes	0644
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File Content: `access.php`

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Command Bosku:

File Content: access.php

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File Content: `access.php`
