Adding upstream version 6.4.3+dfsg1.upstream/6.4.3+dfsg1

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 327 insertions, 0 deletions

diff --git a/wp-admin/includes/class-wp-importer.php b/wp-admin/includes/class-wp-importer.php
new file mode 100644
index 0000000..eca3199
--- /dev/null
+++ b/wp-admin/includes/class-wp-importer.php
@@ -0,0 +1,327 @@
+<?php
+/**
+ * WP_Importer base class
+ */
+#[AllowDynamicProperties]
+class WP_Importer {
+	/**
+	 * Class Constructor
+	 */
+	public function __construct() {}
+
+	/**
+	 * Returns array with imported permalinks from WordPress database.
+	 *
+	 * @global wpdb $wpdb WordPress database abstraction object.
+	 *
+	 * @param string $importer_name
+	 * @param string $blog_id
+	 * @return array
+	 */
+	public function get_imported_posts( $importer_name, $blog_id ) {
+		global $wpdb;
+
+		$hashtable = array();
+
+		$limit  = 100;
+		$offset = 0;
+
+		// Grab all posts in chunks.
+		do {
+			$meta_key = $importer_name . '_' . $blog_id . '_permalink';
+			$sql      = $wpdb->prepare( "SELECT post_id, meta_value FROM $wpdb->postmeta WHERE meta_key = %s LIMIT %d,%d", $meta_key, $offset, $limit );
+			$results  = $wpdb->get_results( $sql );
+
+			// Increment offset.
+			$offset = ( $limit + $offset );
+
+			if ( ! empty( $results ) ) {
+				foreach ( $results as $r ) {
+					// Set permalinks into array.
+					$hashtable[ $r->meta_value ] = (int) $r->post_id;
+				}
+			}
+		} while ( count( $results ) === $limit );
+
+		return $hashtable;
+	}
+
+	/**
+	 * Returns count of imported permalinks from WordPress database.
+	 *
+	 * @global wpdb $wpdb WordPress database abstraction object.
+	 *
+	 * @param string $importer_name
+	 * @param string $blog_id
+	 * @return int
+	 */
+	public function count_imported_posts( $importer_name, $blog_id ) {
+		global $wpdb;
+
+		$count = 0;
+
+		// Get count of permalinks.
+		$meta_key = $importer_name . '_' . $blog_id . '_permalink';
+		$sql      = $wpdb->prepare( "SELECT COUNT( post_id ) AS cnt FROM $wpdb->postmeta WHERE meta_key = %s", $meta_key );
+
+		$result = $wpdb->get_results( $sql );
+
+		if ( ! empty( $result ) ) {
+			$count = (int) $result[0]->cnt;
+		}
+
+		return $count;
+	}
+
+	/**
+	 * Sets array with imported comments from WordPress database.
+	 *
+	 * @global wpdb $wpdb WordPress database abstraction object.
+	 *
+	 * @param string $blog_id
+	 * @return array
+	 */
+	public function get_imported_comments( $blog_id ) {
+		global $wpdb;
+
+		$hashtable = array();
+
+		$limit  = 100;
+		$offset = 0;
+
+		// Grab all comments in chunks.
+		do {
+			$sql     = $wpdb->prepare( "SELECT comment_ID, comment_agent FROM $wpdb->comments LIMIT %d,%d", $offset, $limit );
+			$results = $wpdb->get_results( $sql );
+
+			// Increment offset.
+			$offset = ( $limit + $offset );
+
+			if ( ! empty( $results ) ) {
+				foreach ( $results as $r ) {
+					// Explode comment_agent key.
+					list ( $comment_agent_blog_id, $source_comment_id ) = explode( '-', $r->comment_agent );
+
+					$source_comment_id = (int) $source_comment_id;
+
+					// Check if this comment came from this blog.
+					if ( (int) $blog_id === (int) $comment_agent_blog_id ) {
+						$hashtable[ $source_comment_id ] = (int) $r->comment_ID;
+					}
+				}
+			}
+		} while ( count( $results ) === $limit );
+
+		return $hashtable;
+	}
+
+	/**
+	 * @param int $blog_id
+	 * @return int|void
+	 */
+	public function set_blog( $blog_id ) {
+		if ( is_numeric( $blog_id ) ) {
+			$blog_id = (int) $blog_id;
+		} else {
+			$blog   = 'http://' . preg_replace( '#^https?://#', '', $blog_id );
+			$parsed = parse_url( $blog );
+			if ( ! $parsed || empty( $parsed['host'] ) ) {
+				fwrite( STDERR, "Error: can not determine blog_id from $blog_id\n" );
+				exit;
+			}
+			if ( empty( $parsed['path'] ) ) {
+				$parsed['path'] = '/';
+			}
+			$blogs = get_sites(
+				array(
+					'domain' => $parsed['host'],
+					'number' => 1,
+					'path'   => $parsed['path'],
+				)
+			);
+			if ( ! $blogs ) {
+				fwrite( STDERR, "Error: Could not find blog\n" );
+				exit;
+			}
+			$blog    = array_shift( $blogs );
+			$blog_id = (int) $blog->blog_id;
+		}
+
+		if ( function_exists( 'is_multisite' ) ) {
+			if ( is_multisite() ) {
+				switch_to_blog( $blog_id );
+			}
+		}
+
+		return $blog_id;
+	}
+
+	/**
+	 * @param int $user_id
+	 * @return int|void
+	 */
+	public function set_user( $user_id ) {
+		if ( is_numeric( $user_id ) ) {
+			$user_id = (int) $user_id;
+		} else {
+			$user_id = (int) username_exists( $user_id );
+		}
+
+		if ( ! $user_id || ! wp_set_current_user( $user_id ) ) {
+			fwrite( STDERR, "Error: can not find user\n" );
+			exit;
+		}
+
+		return $user_id;
+	}
+
+	/**
+	 * Sorts by strlen, longest string first.
+	 *
+	 * @param string $a
+	 * @param string $b
+	 * @return int
+	 */
+	public function cmpr_strlen( $a, $b ) {
+		return strlen( $b ) - strlen( $a );
+	}
+
+	/**
+	 * Gets URL.
+	 *
+	 * @param string $url
+	 * @param string $username
+	 * @param string $password
+	 * @param bool   $head
+	 * @return array
+	 */
+	public function get_page( $url, $username = '', $password = '', $head = false ) {
+		// Increase the timeout.
+		add_filter( 'http_request_timeout', array( $this, 'bump_request_timeout' ) );
+
+		$headers = array();
+		$args    = array();
+		if ( true === $head ) {
+			$args['method'] = 'HEAD';
+		}
+		if ( ! empty( $username ) && ! empty( $password ) ) {
+			$headers['Authorization'] = 'Basic ' . base64_encode( "$username:$password" );
+		}
+
+		$args['headers'] = $headers;
+
+		return wp_safe_remote_request( $url, $args );
+	}
+
+	/**
+	 * Bumps up the request timeout for http requests.
+	 *
+	 * @param int $val
+	 * @return int
+	 */
+	public function bump_request_timeout( $val ) {
+		return 60;
+	}
+
+	/**
+	 * Checks if user has exceeded disk quota.
+	 *
+	 * @return bool
+	 */
+	public function is_user_over_quota() {
+		if ( function_exists( 'upload_is_user_over_quota' ) ) {
+			if ( upload_is_user_over_quota() ) {
+				return true;
+			}
+		}
+
+		return false;
+	}
+
+	/**
+	 * Replaces newlines, tabs, and multiple spaces with a single space.
+	 *
+	 * @param string $text
+	 * @return string
+	 */
+	public function min_whitespace( $text ) {
+		return preg_replace( '|[\r\n\t ]+|', ' ', $text );
+	}
+
+	/**
+	 * Resets global variables that grow out of control during imports.
+	 *
+	 * @since 3.0.0
+	 *
+	 * @global wpdb  $wpdb       WordPress database abstraction object.
+	 * @global int[] $wp_actions
+	 */
+	public function stop_the_insanity() {
+		global $wpdb, $wp_actions;
+		// Or define( 'WP_IMPORTING', true );
+		$wpdb->queries = array();
+		// Reset $wp_actions to keep it from growing out of control.
+		$wp_actions = array();
+	}
+}
+
+/**
+ * Returns value of command line params.
+ * Exits when a required param is not set.
+ *
+ * @param string $param
+ * @param bool   $required
+ * @return mixed
+ */
+function get_cli_args( $param, $required = false ) {
+	$args = $_SERVER['argv'];
+	if ( ! is_array( $args ) ) {
+		$args = array();
+	}
+
+	$out = array();
+
+	$last_arg = null;
+	$return   = null;
+
+	$il = count( $args );
+
+	for ( $i = 1, $il; $i < $il; $i++ ) {
+		if ( (bool) preg_match( '/^--(.+)/', $args[ $i ], $match ) ) {
+			$parts = explode( '=', $match[1] );
+			$key   = preg_replace( '/[^a-z0-9]+/', '', $parts[0] );
+
+			if ( isset( $parts[1] ) ) {
+				$out[ $key ] = $parts[1];
+			} else {
+				$out[ $key ] = true;
+			}
+
+			$last_arg = $key;
+		} elseif ( (bool) preg_match( '/^-([a-zA-Z0-9]+)/', $args[ $i ], $match ) ) {
+			for ( $j = 0, $jl = strlen( $match[1] ); $j < $jl; $j++ ) {
+				$key         = $match[1][ $j ];
+				$out[ $key ] = true;
+			}
+
+			$last_arg = $key;
+		} elseif ( null !== $last_arg ) {
+			$out[ $last_arg ] = $args[ $i ];
+		}
+	}
+
+	// Check array for specified param.
+	if ( isset( $out[ $param ] ) ) {
+		// Set return value.
+		$return = $out[ $param ];
+	}
+
+	// Check for missing required param.
+	if ( ! isset( $out[ $param ] ) && $required ) {
+		// Display message and exit.
+		echo "\"$param\" parameter is required but was not specified\n";
+		exit;
+	}
+
+	return $return;
+}