First commit

.gitignore

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+.DS_Store
+readme.txt
+composer.lock
+node_modules
+vendor
+wp-api

.travis.yml

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+sudo: false
+dist: trusty
+
+language: php
+
+notifications:
+  email:
+    on_success: never
+    on_failure: change
+
+branches:
+  only:
+    - master
+
+cache:
+  directories:
+    - $HOME/.composer/cache
+
+matrix:
+  include:
+    - php: 7.3
+      env: WP_VERSION=latest WP_MULTISITE=1
+    - php: 7.2
+      env: WP_VERSION=latest WP_MULTISITE=1
+    - php: 7.1
+      env: WP_VERSION=latest WP_MULTISITE=1
+    - php: 7.0
+      env: WP_VERSION=latest WP_MULTISITE=1
+    - php: 5.6
+      env: WP_VERSION=latest WP_MULTISITE=1
+    - php: 5.5
+      env: WP_VERSION=latest WP_MULTISITE=1
+    - php: 5.4
+      env: WP_VERSION=latest WP_MULTISITE=1
+    - php: 5.3
+      env: WP_VERSION=latest WP_MULTISITE=1
+      dist: precise
+    - php: 5.6
+      env: WP_TRAVISCI=phpcs
+
+before_script:
+  - export PATH="$HOME/.composer/vendor/bin:$PATH"
+  - |
+    if [ -f ~/.phpenv/versions/$(phpenv version-name)/etc/conf.d/xdebug.ini ]; then
+      phpenv config-rm xdebug.ini
+    else
+      echo "xdebug.ini does not exist"
+    fi
+  - |
+    if [[ ! -z "$WP_VERSION" ]] ; then
+      bash bin/install-wp-tests.sh wordpress_test root '' localhost $WP_VERSION
+      composer global require "phpunit/phpunit=4.8.*|5.7.*"
+    fi
+script:
+  - |
+    if [[ ! -z "$WP_VERSION" ]] ; then
+      phpunit
+      WP_MULTISITE=1 phpunit
+    fi
+  - |
+    if [[ "$WP_TRAVISCI" == "phpcs" ]] ; then
+      composer global require wp-coding-standards/wpcs
+      phpcs --config-set installed_paths $HOME/.composer/vendor/wp-coding-standards/wpcs
+      phpcs . --standard=phpcs.ruleset.xml
+    fi

README.md

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+# wp-api-sites-endpoint
+
+Feature plugin for Sites Endpoints. This plugin of course requires WordPress multisite. 

bin/install-wp-tests.sh

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+#!/usr/bin/env bash
+
+if [ $# -lt 3 ]; then
+	echo "usage: $0 <db-name> <db-user> <db-pass> [db-host] [wp-version]"
+	exit 1
+fi
+
+DB_NAME=$1
+DB_USER=$2
+DB_PASS=$3
+DB_HOST=${4-localhost}
+WP_VERSION=${5-latest}
+
+WP_TESTS_DIR=${WP_TESTS_DIR-/tmp/wordpress-tests-lib}
+WP_CORE_DIR=${WP_CORE_DIR-/tmp/wordpress/}
+
+download() {
+    if [ `which curl` ]; then
+        curl -s "$1" > "$2";
+    elif [ `which wget` ]; then
+        wget -nv -O "$2" "$1"
+    fi
+}
+
+if [[ $WP_VERSION =~ [0-9]+\.[0-9]+(\.[0-9]+)? ]]; then
+	WP_TESTS_TAG="tags/$WP_VERSION"
+elif [[ $WP_VERSION == 'nightly' || $WP_VERSION == 'trunk' ]]; then
+	WP_TESTS_TAG="trunk"
+else
+	# http serves a single offer, whereas https serves multiple. we only want one
+	download http://api.wordpress.org/core/version-check/1.7/ /tmp/wp-latest.json
+	grep '[0-9]+\.[0-9]+(\.[0-9]+)?' /tmp/wp-latest.json
+	LATEST_VERSION=$(grep -o '"version":"[^"]*' /tmp/wp-latest.json | sed 's/"version":"//')
+	if [[ -z "$LATEST_VERSION" ]]; then
+		echo "Latest WordPress version could not be found"
+		exit 1
+	fi
+	WP_TESTS_TAG="tags/$LATEST_VERSION"
+fi
+
+set -ex
+
+install_wp() {
+
+	if [ -d $WP_CORE_DIR ]; then
+		return;
+	fi
+
+	mkdir -p $WP_CORE_DIR
+
+	if [[ $WP_VERSION == 'nightly' || $WP_VERSION == 'trunk' ]]; then
+		mkdir -p /tmp/wordpress-nightly
+		download https://wordpress.org/nightly-builds/wordpress-latest.zip  /tmp/wordpress-nightly/wordpress-nightly.zip
+		unzip -q /tmp/wordpress-nightly/wordpress-nightly.zip -d /tmp/wordpress-nightly/
+		mv /tmp/wordpress-nightly/wordpress/* $WP_CORE_DIR
+	else
+		if [ $WP_VERSION == 'latest' ]; then
+			local ARCHIVE_NAME='latest'
+		else
+			local ARCHIVE_NAME="wordpress-$WP_VERSION"
+		fi
+		download https://wordpress.org/${ARCHIVE_NAME}.tar.gz  /tmp/wordpress.tar.gz
+		tar --strip-components=1 -zxmf /tmp/wordpress.tar.gz -C $WP_CORE_DIR
+	fi
+
+	download https://raw.github.com/markoheijnen/wp-mysqli/master/db.php $WP_CORE_DIR/wp-content/db.php
+}
+
+install_wp_api() {
+	git clone https://github.com/WP-API/WP-API.git wp-api
+}
+
+install_test_suite() {
+	# portable in-place argument for both GNU sed and Mac OSX sed
+	if [[ $(uname -s) == 'Darwin' ]]; then
+		local ioption='-i .bak'
+	else
+		local ioption='-i'
+	fi
+
+	# set up testing suite if it doesn't yet exist
+	if [ ! -d $WP_TESTS_DIR ]; then
+		# set up testing suite
+		mkdir -p $WP_TESTS_DIR
+		svn co --quiet https://develop.svn.wordpress.org/${WP_TESTS_TAG}/tests/phpunit/includes/ $WP_TESTS_DIR/includes
+	fi
+
+	cd $WP_TESTS_DIR
+
+	if [ ! -f wp-tests-config.php ]; then
+		download https://develop.svn.wordpress.org/${WP_TESTS_TAG}/wp-tests-config-sample.php "$WP_TESTS_DIR"/wp-tests-config.php
+		sed $ioption "s:dirname( __FILE__ ) . '/src/':'$WP_CORE_DIR':" "$WP_TESTS_DIR"/wp-tests-config.php
+		sed $ioption "s/youremptytestdbnamehere/$DB_NAME/" "$WP_TESTS_DIR"/wp-tests-config.php
+		sed $ioption "s/yourusernamehere/$DB_USER/" "$WP_TESTS_DIR"/wp-tests-config.php
+		sed $ioption "s/yourpasswordhere/$DB_PASS/" "$WP_TESTS_DIR"/wp-tests-config.php
+		sed $ioption "s|localhost|${DB_HOST}|" "$WP_TESTS_DIR"/wp-tests-config.php
+	fi
+
+}
+
+install_db() {
+	# parse DB_HOST for port or socket references
+	local PARTS=(${DB_HOST//\:/ })
+	local DB_HOSTNAME=${PARTS[0]};
+	local DB_SOCK_OR_PORT=${PARTS[1]};
+	local EXTRA=""
+
+	if ! [ -z $DB_HOSTNAME ] ; then
+		if [ $(echo $DB_SOCK_OR_PORT | grep -e '^[0-9]\{1,\}$') ]; then
+			EXTRA=" --host=$DB_HOSTNAME --port=$DB_SOCK_OR_PORT --protocol=tcp"
+		elif ! [ -z $DB_SOCK_OR_PORT ] ; then
+			EXTRA=" --socket=$DB_SOCK_OR_PORT"
+		elif ! [ -z $DB_HOSTNAME ] ; then
+			EXTRA=" --host=$DB_HOSTNAME --protocol=tcp"
+		fi
+	fi
+
+	# create database
+	mysqladmin create $DB_NAME --user="$DB_USER" --password="$DB_PASS"$EXTRA
+}
+
+install_wp
+install_wp_api
+install_test_suite
+install_db

composer.json

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+{
+    "name": "wp-api/wp-api-sites-endpoint",
+    "type": "wordpress-plugin",
+    "description": "Manage your WordPress sites in a multisite.",
+    "homepage": "http://wp-api.org/",
+    "license": "GPL2+",
+    "authors": [
+        {
+            "name": "WP-API Team",
+            "homepage": "http://wp-api.org/"
+        }
+    ],
+    "support": {
+        "issues": "https://github.com/WP-API/WP-API/issues",
+        "forum": "https://wordpress.org/support/plugin/rest-api"
+    },
+    "require": {
+        "composer/installers": "~1.0"
+    },
+    "require-dev": {
+        "squizlabs/php_codesniffer": "2.3.4",
+        "wp-coding-standards/wpcs": "0.6.0"
+    },
+    "extra": {
+        "installer-name": "json-rest-api"
+    },
+    "scripts": {
+        "post-install-cmd": "\"vendor/bin/phpcs\" --config-set installed_paths vendor/wp-coding-standards/wpcs",
+        "post-update-cmd" : "\"vendor/bin/phpcs\" --config-set installed_paths vendor/wp-coding-standards/wpcs"
+    }
+}

lib/class-wp-rest-site-meta-fields.php

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+<?php
+/**
+ * REST API: WP_REST_Site_Meta_Fields class
+ *
+ * @package WordPress
+ * @subpackage REST_API
+ * @since x.x.x
+ */
+
+/**
+ * Core class to manage site meta via the REST API.
+ *
+ * @since x.x.x
+ *
+ * @see WP_REST_Meta_Fields
+ */
+class WP_REST_Site_Meta_Fields extends WP_REST_Meta_Fields {
+
+	/**
+	 * Retrieves the object type for site meta.
+	 *
+	 * @since x.x.x
+	 *
+	 * @return string The meta type.
+	 */
+	protected function get_meta_type() {
+		return 'site';
+	}
+
+	/**
+	 * Retrieves the object meta subtype.
+	 *
+	 * @since x.x.x
+	 *
+	 * @return string 'site' There are no subtypes.
+	 */
+	protected function get_meta_subtype() {
+		return 'site';
+	}
+
+	/**
+	 * Retrieves the type for register_rest_field() in the context of sites.
+	 *
+	 * @since x.x.x
+	 *
+	 * @return string The REST field type.
+	 */
+	public function get_rest_field_type() {
+		return 'site';
+	}
+}