--- /dev/null
+<?php
+/**
+ * WP_Importer base class
+ */
+class WP_Importer {
+ /**
+ * Class Constructor
+ *
+ * @return void
+ */
+ function __construct() {}
+
+ function WP_Importer() {
+ $this->__construct();
+ }
+
+ /**
+ * Returns array with imported permalinks from WordPress database
+ *
+ * @param string $bid
+ * @return array
+ */
+ function get_imported_posts( $importer_name, $bid ) {
+ global $wpdb;
+
+ $hashtable = array();
+
+ $limit = 100;
+ $offset = 0;
+
+ // Grab all posts in chunks
+ do {
+ $meta_key = $importer_name . '_' . $bid . '_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] = intval( $r->post_id );
+ }
+ }
+ } while ( count( $results ) == $limit );
+
+ // unset to save memory
+ unset( $results, $r );
+
+ return $hashtable;
+ }
+
+ /**
+ * Return count of imported permalinks from WordPress database
+ *
+ * @param string $bid
+ * @return int
+ */
+ function count_imported_posts( $importer_name, $bid ) {
+ global $wpdb;
+
+ $count = 0;
+
+ // Get count of permalinks
+ $meta_key = $importer_name . '_' . $bid . '_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 = intval( $result[0]->cnt );
+
+ // unset to save memory
+ unset( $results );
+
+ return $count;
+ }
+
+ /**
+ * Set array with imported comments from WordPress database
+ *
+ * @param string $bid
+ * @return array
+ */
+ function get_imported_comments( $bid ) {
+ 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 ( $ca_bid, $source_comment_id ) = explode( '-', $r->comment_agent );
+ $source_comment_id = intval( $source_comment_id );
+
+ // Check if this comment came from this blog
+ if ( $bid == $ca_bid ) {
+ $hashtable[$source_comment_id] = intval( $r->comment_ID );
+ }
+ }
+ }
+ } while ( count( $results ) == $limit );
+
+ // unset to save memory
+ unset( $results, $r );
+
+ return $hashtable;
+ }
+
+ function set_blog( $blog_id ) {
+ if ( is_numeric( $blog_id ) ) {
+ $blog_id = (int) $blog_id;
+ } else {
+ $blog = 'http://' . preg_replace( '#^https?://#', '', $blog_id );
+ if ( ( !$parsed = parse_url( $blog ) ) || empty( $parsed['host'] ) ) {
+ fwrite( STDERR, "Error: can not determine blog_id from $blog_id\n" );
+ exit();
+ }
+ if ( empty( $parsed['path'] ) )
+ $parsed['path'] = '/';
+ if ( !$blog = get_blog_info( $parsed['host'], $parsed['path'] ) ) {
+ fwrite( STDERR, "Error: Could not find blog\n" );
+ exit();
+ }
+ $blog_id = (int) $blog->blog_id;
+ // Restore global $current_blog
+ global $current_blog;
+ $current_blog = $blog;
+ }
+
+ if ( function_exists( 'is_multisite' ) ) {
+ if ( is_multisite() )
+ switch_to_blog( $blog_id );
+ }
+
+ return $blog_id;
+ }
+
+ 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;
+ }
+
+ /**
+ * Sort by strlen, longest string first
+ *
+ * @param string $a
+ * @param string $b
+ * @return int
+ */
+ function cmpr_strlen( $a, $b ) {
+ return strlen( $b ) - strlen( $a );
+ }
+
+ /**
+ * GET URL
+ *
+ * @param string $url
+ * @param string $username
+ * @param string $password
+ * @param bool $head
+ * @return array
+ */
+ 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_remote_request( $url, $args );
+ }
+
+ /**
+ * Bump up the request timeout for http requests
+ *
+ * @param int $val
+ * @return int
+ */
+ function bump_request_timeout( $val ) {
+ return 60;
+ }
+
+ /**
+ * Check if user has exceeded disk quota
+ *
+ * @return bool
+ */
+ function is_user_over_quota() {
+ global $current_user, $current_blog;
+
+ if ( function_exists( 'upload_is_user_over_quota' ) ) {
+ if ( upload_is_user_over_quota( 1 ) ) {
+ echo "Sorry, you have used your upload quota.\n";
+ return true;
+ }
+ }
+
+ return false;
+ }
+
+ /**
+ * Replace newlines, tabs, and multiple spaces with a single space
+ *
+ * @param string $string
+ * @return string
+ */
+ function min_whitespace( $string ) {
+ return preg_replace( '|[\r\n\t ]+|', ' ', $string );
+ }
+
+ /**
+ * Reset global variables that grow out of control during imports
+ *
+ * @return void
+ */
+ 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'];
+
+ $out = array();
+
+ $last_arg = null;
+ $return = null;
+
+ $il = sizeof( $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;
+ } else if ( (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;
+ } else if ( $last_arg !== null ) {
+ $out[$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;
+}
scripts.mit.edu / autoinstalls / wordpress.git / blobdiff