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C:\xampp\htdocs\landing\wp-content\plugins\contact-form-7\includes\submission.php

<?php

class WPCF7_Submission {

    private static $instance;

    private $contact_form;
    private $status = 'init';
    private $posted_data = array();
    private $posted_data_hash = null;
    private $skip_spam_check = false;
    private $uploaded_files = array();
    private $skip_mail = false;
    private $response = '';
    private $invalid_fields = array();
    private $meta = array();
    private $consent = array();
    private $spam_log = array();

    public static function get_instance( $contact_form = null, $args = '' ) {
        if ( $contact_form instanceof WPCF7_ContactForm ) {
            if ( empty( self::$instance ) ) {
                self::$instance = new self( $contact_form, $args );
                self::$instance->proceed();
                return self::$instance;
            } else {
                return null;
            }
        } else {
            if ( empty( self::$instance ) ) {
                return null;
            } else {
                return self::$instance;
            }
        }
    }

    public static function is_restful() {
        return defined( 'REST_REQUEST' ) && REST_REQUEST;
    }

    private function __construct( WPCF7_ContactForm $contact_form, $args = '' ) {
        $args = wp_parse_args( $args, array(
            'skip_mail' => false,
        ) );

        $this->contact_form = $contact_form;
        $this->skip_mail = (bool) $args['skip_mail'];
    }

    private function proceed() {
        $contact_form = $this->contact_form;

        switch_to_locale( $contact_form->locale() );

        $this->setup_meta_data();
        $this->setup_posted_data();

        if ( $this->is( 'init' ) and ! $this->validate() ) {
            $this->set_status( 'validation_failed' );
            $this->set_response( $contact_form->message( 'validation_error' ) );
        }

        if ( $this->is( 'init' ) and ! $this->accepted() ) {
            $this->set_status( 'acceptance_missing' );
            $this->set_response( $contact_form->message( 'accept_terms' ) );
        }

        if ( $this->is( 'init' ) and $this->spam() ) {
            $this->set_status( 'spam' );
            $this->set_response( $contact_form->message( 'spam' ) );
        }

        if ( $this->is( 'init' ) and ! $this->unship_uploaded_files() ) {
            $this->set_status( 'validation_failed' );
            $this->set_response( $contact_form->message( 'validation_error' ) );
        }

        if ( $this->is( 'init' ) ) {
            $abort = ! $this->before_send_mail();

            if ( $abort ) {
                if ( $this->is( 'init' ) ) {
                    $this->set_status( 'aborted' );
                }

                if ( '' === $this->get_response() ) {
                    $this->set_response( $contact_form->filter_message(
                        __( "Sending mail has been aborted.", 'contact-form-7' ) )
                    );
                }
            } elseif ( $this->mail() ) {
                $this->set_status( 'mail_sent' );
                $this->set_response( $contact_form->message( 'mail_sent_ok' ) );

                do_action( 'wpcf7_mail_sent', $contact_form );
            } else {
                $this->set_status( 'mail_failed' );
                $this->set_response( $contact_form->message( 'mail_sent_ng' ) );

                do_action( 'wpcf7_mail_failed', $contact_form );
            }
        }

        restore_previous_locale();

        $this->remove_uploaded_files();
    }

    public function get_status() {
        return $this->status;
    }

    public function set_status( $status ) {
        if ( preg_match( '/^[a-z][0-9a-z_]+$/', $status ) ) {
            $this->status = $status;
            return true;
        }

        return false;
    }

    public function is( $status ) {
        return $this->status == $status;
    }

    public function get_response() {
        return $this->response;
    }

    public function set_response( $response ) {
        $this->response = $response;
        return true;
    }

    public function get_contact_form() {
        return $this->contact_form;
    }

    public function get_invalid_field( $name ) {
        if ( isset( $this->invalid_fields[$name] ) ) {
            return $this->invalid_fields[$name];
        } else {
            return false;
        }
    }

    public function get_invalid_fields() {
        return $this->invalid_fields;
    }

    public function get_meta( $name ) {
        if ( isset( $this->meta[$name] ) ) {
            return $this->meta[$name];
        }
    }

    private function setup_meta_data() {
        $timestamp = time();

        $remote_ip = $this->get_remote_ip_addr();

        $remote_port = isset( $_SERVER['REMOTE_PORT'] )
            ? (int) $_SERVER['REMOTE_PORT'] : '';

        $user_agent = isset( $_SERVER['HTTP_USER_AGENT'] )
            ? substr( $_SERVER['HTTP_USER_AGENT'], 0, 254 ) : '';

        $url = $this->get_request_url();

        $unit_tag = isset( $_POST['_wpcf7_unit_tag'] )
            ? $_POST['_wpcf7_unit_tag'] : '';

        $container_post_id = isset( $_POST['_wpcf7_container_post'] )
            ? (int) $_POST['_wpcf7_container_post'] : 0;

        $current_user_id = get_current_user_id();

        $do_not_store = $this->contact_form->is_true( 'do_not_store' );

        $this->meta = array(
            'timestamp' => $timestamp,
            'remote_ip' => $remote_ip,
            'remote_port' => $remote_port,
            'user_agent' => $user_agent,
            'url' => $url,
            'unit_tag' => $unit_tag,
            'container_post_id' => $container_post_id,
            'current_user_id' => $current_user_id,
            'do_not_store' => $do_not_store,
        );

        return $this->meta;
    }

    public function get_posted_data( $name = '' ) {
        if ( ! empty( $name ) ) {
            if ( isset( $this->posted_data[$name] ) ) {
                return $this->posted_data[$name];
            } else {
                return null;
            }
        }

        return $this->posted_data;
    }

    private function setup_posted_data() {
        $posted_data = array_filter( (array) $_POST, function( $key ) {
            return '_' !== substr( $key, 0, 1 );
        }, ARRAY_FILTER_USE_KEY );

        $posted_data = wp_unslash( $posted_data );
        $posted_data = $this->sanitize_posted_data( $posted_data );

        $tags = $this->contact_form->scan_form_tags();

        foreach ( (array) $tags as $tag ) {
            if ( empty( $tag->name ) ) {
                continue;
            }

            $type = $tag->type;
            $name = $tag->name;
            $pipes = $tag->pipes;

            if ( wpcf7_form_tag_supports( $type, 'do-not-store' ) ) {
                unset( $posted_data[$name] );
                continue;
            }

            $value_orig = $value = '';

            if ( isset( $posted_data[$name] ) ) {
                $value_orig = $value = $posted_data[$name];
            }

            if ( WPCF7_USE_PIPE
            and $pipes instanceof WPCF7_Pipes
            and ! $pipes->zero() ) {
                if ( is_array( $value_orig ) ) {
                    $value = array();

                    foreach ( $value_orig as $v ) {
                        $value[] = $pipes->do_pipe( $v );
                    }
                } else {
                    $value = $pipes->do_pipe( $value_orig );
                }
            }

            if ( wpcf7_form_tag_supports( $type, 'selectable-values' ) ) {
                $value = (array) $value;

                if ( $tag->has_option( 'free_text' )
                and isset( $posted_data[$name . '_free_text'] ) ) {
                    $last_val = array_pop( $value );

                    list( $tied_item ) = array_slice(
                        WPCF7_USE_PIPE ? $tag->pipes->collect_afters() : $tag->values,
                        -1, 1
                    );

                    $tied_item = html_entity_decode( $tied_item, ENT_QUOTES, 'UTF-8' );

                    if ( $last_val === $tied_item ) {
                        $value[] = sprintf( '%s %s',
                            $last_val,
                            $posted_data[$name . '_free_text']
                        );
                    } else {
                        $value[] = $last_val;
                    }

                    unset( $posted_data[$name . '_free_text'] );
                }
            }

            $value = apply_filters( "wpcf7_posted_data_{$type}", $value,
                $value_orig, $tag );

            $posted_data[$name] = $value;

            if ( $tag->has_option( 'consent_for:storage' )
            and empty( $posted_data[$name] ) ) {
                $this->meta['do_not_store'] = true;
            }
        }

        $this->posted_data = apply_filters( 'wpcf7_posted_data', $posted_data );

        $this->posted_data_hash = wp_hash(
            wpcf7_flat_join( array_merge(
                array(
                    $this->get_meta( 'remote_ip' ),
                    $this->get_meta( 'remote_port' ),
                    $this->get_meta( 'unit_tag' ),
                ),
                $this->posted_data
            ) ),
            'wpcf7_submission'
        );

        return $this->posted_data;
    }

    private function sanitize_posted_data( $value ) {
        if ( is_array( $value ) ) {
            $value = array_map( array( $this, 'sanitize_posted_data' ), $value );
        } elseif ( is_string( $value ) ) {
            $value = wp_check_invalid_utf8( $value );
            $value = wp_kses_no_null( $value );
        }

        return $value;
    }

    public function get_posted_data_hash() {
        return $this->posted_data_hash;
    }

    private function get_remote_ip_addr() {
        $ip_addr = '';

        if ( isset( $_SERVER['REMOTE_ADDR'] )
        and WP_Http::is_ip_address( $_SERVER['REMOTE_ADDR'] ) ) {
            $ip_addr = $_SERVER['REMOTE_ADDR'];
        }

        return apply_filters( 'wpcf7_remote_ip_addr', $ip_addr );
    }

    private function get_request_url() {
        $home_url = untrailingslashit( home_url() );

        if ( self::is_restful() ) {
            $referer = isset( $_SERVER['HTTP_REFERER'] )
                ? trim( $_SERVER['HTTP_REFERER'] ) : '';

            if ( $referer
            and 0 === strpos( $referer, $home_url ) ) {
                return esc_url_raw( $referer );
            }
        }

        $url = preg_replace( '%(?<!:|/)/.*$%', '', $home_url )
            . wpcf7_get_request_uri();

        return $url;
    }

    private function validate() {
        if ( $this->invalid_fields ) {
            return false;
        }

        $result = new WPCF7_Validation();

        $tags = $this->contact_form->scan_form_tags( array(
          'feature' => '! file-uploading',
        ) );

        foreach ( $tags as $tag ) {
            $type = $tag->type;
            $result = apply_filters( "wpcf7_validate_{$type}", $result, $tag );
        }

        $result = apply_filters( 'wpcf7_validate', $result, $tags );

        $this->invalid_fields = $result->get_invalid_fields();

        return $result->is_valid();
    }

    private function accepted() {
        return apply_filters( 'wpcf7_acceptance', true, $this );
    }

    public function add_consent( $name, $conditions ) {
        $this->consent[$name] = $conditions;
        return true;
    }

    public function collect_consent() {
        return (array) $this->consent;
    }

    private function spam() {
        $spam = false;

        $skip_spam_check = apply_filters( 'wpcf7_skip_spam_check',
            $this->skip_spam_check,
            $this
        );

        if ( $skip_spam_check ) {
            return $spam;
        }

        if ( $this->contact_form->is_true( 'subscribers_only' )
        and current_user_can( 'wpcf7_submit', $this->contact_form->id() ) ) {
            return $spam;
        }

        $user_agent = (string) $this->get_meta( 'user_agent' );

        if ( strlen( $user_agent ) < 2 ) {
            $spam = true;

            $this->add_spam_log( array(
                'agent' => 'wpcf7',
                'reason' => __( "User-Agent string is unnaturally short.", 'contact-form-7' ),
            ) );
        }

        if ( ! $this->verify_nonce() ) {
            $spam = true;

            $this->add_spam_log( array(
                'agent' => 'wpcf7',
                'reason' => __( "Submitted nonce is invalid.", 'contact-form-7' ),
            ) );
        }

        return apply_filters( 'wpcf7_spam', $spam, $this );
    }

    public function add_spam_log( $args = '' ) {
        $args = wp_parse_args( $args, array(
            'agent' => '',
            'reason' => '',
        ) );

        $this->spam_log[] = $args;
    }

    public function get_spam_log() {
        return $this->spam_log;
    }

    private function verify_nonce() {
        if ( ! $this->contact_form->nonce_is_active() ) {
            return true;
        }

        return wpcf7_verify_nonce( $_POST['_wpnonce'] );
    }

    /* Mail */

    private function before_send_mail() {
        $abort = false;

        do_action_ref_array( 'wpcf7_before_send_mail', array(
            $this->contact_form,
            &$abort,
            $this,
        ) );

        return ! $abort;
    }

    private function mail() {
        $contact_form = $this->contact_form;

        $skip_mail = apply_filters( 'wpcf7_skip_mail',
            $this->skip_mail, $contact_form
        );

        if ( $skip_mail ) {
            return true;
        }

        $result = WPCF7_Mail::send( $contact_form->prop( 'mail' ), 'mail' );

        if ( $result ) {
            $additional_mail = array();

            if ( $mail_2 = $contact_form->prop( 'mail_2' )
            and $mail_2['active'] ) {
                $additional_mail['mail_2'] = $mail_2;
            }

            $additional_mail = apply_filters( 'wpcf7_additional_mail',
                $additional_mail, $contact_form
            );

            foreach ( $additional_mail as $name => $template ) {
                WPCF7_Mail::send( $template, $name );
            }

            return true;
        }

        return false;
    }

    public function uploaded_files() {
        return $this->uploaded_files;
    }

    private function add_uploaded_file( $name, $file_path ) {
        if ( ! wpcf7_is_name( $name ) ) {
            return false;
        }

        $paths = (array) $file_path;
        $uploaded_files = array();
        $hash_strings = array();

        foreach ( $paths as $path ) {
            if ( @is_file( $path ) and @is_readable( $path ) ) {
                $uploaded_files[] = $path;
                $hash_strings[] = md5_file( $path );
            }
        }

        $this->uploaded_files[$name] = $uploaded_files;

        if ( empty( $this->posted_data[$name] ) ) {
            $this->posted_data[$name] = implode( ' ', $hash_strings );
        }
    }

    private function remove_uploaded_files() {
        foreach ( (array) $this->uploaded_files as $file_path ) {
            $paths = (array) $file_path;

            foreach ( $paths as $path ) {
                wpcf7_rmdir_p( $path );

                if ( $dir = dirname( $path )
                and false !== ( $files = scandir( $dir ) )
                and ! array_diff( $files, array( '.', '..' ) ) ) {
                    // remove parent dir if it's empty.
                    rmdir( $dir );
                }
            }
        }
    }

    private function unship_uploaded_files() {
        $result = new WPCF7_Validation();

        $tags = $this->contact_form->scan_form_tags( array(
            'feature' => 'file-uploading',
        ) );

        foreach ( $tags as $tag ) {
            if ( empty( $_FILES[$tag->name] ) ) {
                continue;
            }

            $file = $_FILES[$tag->name];

            $args = array(
                'tag' => $tag,
                'name' => $tag->name,
                'required' => $tag->is_required(),
                'filetypes' => $tag->get_option( 'filetypes' ),
                'limit' => $tag->get_limit_option(),
            );

            $new_files = wpcf7_unship_uploaded_file( $file, $args );

            if ( ! is_wp_error( $new_files ) ) {
                $this->add_uploaded_file( $tag->name, $new_files );
            }

            $result = apply_filters(
                "wpcf7_validate_{$tag->type}",
                $result, $tag,
                array(
                    'uploaded_files' => $new_files,
                )
            );
        }

        $this->invalid_fields = $result->get_invalid_fields();

        return $result->is_valid();
    }

}
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Windows NT KPTV 6.2 build 9200 (Windows Server 2012 Datacenter Edition) i586