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wp-instagram-widget.php
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<?php
/*
Plugin Name: WP Instagram Widget
Plugin URI: https://github.com/scottsweb/wp-instagram-widget
Description: A WordPress widget for showing your latest Instagram photos.
Version: 1.9.8
Author: Scott Evans
Author URI: https://scott.ee
Text Domain: wp-instagram-widget
Domain Path: /assets/languages/
License: GPLv2 or later
License URI: http://www.gnu.org/licenses/gpl-2.0.html
Copyright © 2013 Scott Evans
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
*/
function wpiw_init() {
// define some constants.
define( 'WP_INSTAGRAM_WIDGET_JS_URL', plugins_url( '/assets/js', __FILE__ ) );
define( 'WP_INSTAGRAM_WIDGET_CSS_URL', plugins_url( '/assets/css', __FILE__ ) );
define( 'WP_INSTAGRAM_WIDGET_IMAGES_URL', plugins_url( '/assets/images', __FILE__ ) );
define( 'WP_INSTAGRAM_WIDGET_PATH', dirname( __FILE__ ) );
define( 'WP_INSTAGRAM_WIDGET_BASE', plugin_basename( __FILE__ ) );
define( 'WP_INSTAGRAM_WIDGET_FILE', __FILE__ );
// load language files.
load_plugin_textdomain( 'wp-instagram-widget', false, dirname( WP_INSTAGRAM_WIDGET_BASE ) . '/assets/languages/' );
}
add_action( 'init', 'wpiw_init' );
function wpiw_widget() {
register_widget( 'null_instagram_widget' );
}
add_action( 'widgets_init', 'wpiw_widget' );
Class null_instagram_widget extends WP_Widget {
function __construct() {
parent::__construct(
'null-instagram-feed',
__( 'Instagram', 'wp-instagram-widget' ),
array(
'classname' => 'null-instagram-feed',
'description' => esc_html__( 'Displays your latest Instagram photos', 'wp-instagram-widget' ),
'customize_selective_refresh' => true,
)
);
}
function widget( $args, $instance ) {
$title = empty( $instance['title'] ) ? '' : apply_filters( 'widget_title', $instance['title'] );
$username = empty( $instance['username'] ) ? '' : $instance['username'];
$limit = empty( $instance['number'] ) ? 9 : $instance['number'];
$size = empty( $instance['size'] ) ? 'large' : $instance['size'];
$target = empty( $instance['target'] ) ? '_self' : $instance['target'];
$link = empty( $instance['link'] ) ? '' : $instance['link'];
echo $args['before_widget'];
if ( ! empty( $title ) ) { echo $args['before_title'] . wp_kses_post( $title ) . $args['after_title']; };
do_action( 'wpiw_before_widget', $instance );
if ( '' !== $username ) {
$media_array = $this->scrape_instagram( $username );
if ( is_wp_error( $media_array ) ) {
echo wp_kses_post( $media_array->get_error_message() );
} else {
// filter for images only?
if ( $images_only = apply_filters( 'wpiw_images_only', false ) ) {
$media_array = array_filter( $media_array, array( $this, 'images_only' ) );
}
// slice list down to required limit.
$media_array = array_slice( $media_array, 0, $limit );
// filters for custom classes.
$ulclass = apply_filters( 'wpiw_list_class', 'instagram-pics instagram-size-' . $size );
$liclass = apply_filters( 'wpiw_item_class', '' );
$aclass = apply_filters( 'wpiw_a_class', '' );
$imgclass = apply_filters( 'wpiw_img_class', '' );
$template_part = apply_filters( 'wpiw_template_part', 'parts/wp-instagram-widget.php' );
?><ul class="<?php echo esc_attr( $ulclass ); ?>"><?php
foreach( $media_array as $item ) {
// copy the else line into a new file (parts/wp-instagram-widget.php) within your theme and customise accordingly.
if ( locate_template( $template_part ) !== '' ) {
include locate_template( $template_part );
} else {
echo '<li class="' . esc_attr( $liclass ) . '"><a href="' . esc_url( $item['link'] ) . '" target="' . esc_attr( $target ) . '" class="' . esc_attr( $aclass ) . '"><img src="' . esc_url( $item[$size] ) . '" alt="' . esc_attr( $item['description'] ) . '" title="' . esc_attr( $item['description'] ) . '" class="' . esc_attr( $imgclass ) . '"/></a></li>';
}
}
?></ul><?php
}
}
$linkclass = apply_filters( 'wpiw_link_class', 'clear' );
$linkaclass = apply_filters( 'wpiw_linka_class', '' );
switch ( substr( $username, 0, 1 ) ) {
case '#':
$url = '//instagram.com/explore/tags/' . str_replace( '#', '', $username );
break;
default:
$url = '//instagram.com/' . str_replace( '@', '', $username );
break;
}
if ( '' !== $link ) {
?><p class="<?php echo esc_attr( $linkclass ); ?>"><a href="<?php echo trailingslashit( esc_url( $url ) ); ?>" rel="me" target="<?php echo esc_attr( $target ); ?>" class="<?php echo esc_attr( $linkaclass ); ?>"><?php echo wp_kses_post( $link ); ?></a></p><?php
}
do_action( 'wpiw_after_widget', $instance );
echo $args['after_widget'];
}
function form( $instance ) {
$instance = wp_parse_args( (array) $instance, array( 'title' => __( 'Instagram', 'wp-instagram-widget' ), 'username' => '', 'size' => 'large', 'link' => __( 'Follow Me!', 'wp-instagram-widget' ), 'number' => 9, 'target' => '_self' ) );
$title = $instance['title'];
$username = $instance['username'];
$number = absint( $instance['number'] );
$size = $instance['size'];
$target = $instance['target'];
$link = $instance['link'];
?>
<p><label for="<?php echo esc_attr( $this->get_field_id( 'title' ) ); ?>"><?php esc_html_e( 'Title', 'wp-instagram-widget' ); ?>: <input class="widefat" id="<?php echo esc_attr( $this->get_field_id( 'title' ) ); ?>" name="<?php echo esc_attr( $this->get_field_name( 'title' ) ); ?>" type="text" value="<?php echo esc_attr( $title ); ?>" /></label></p>
<p><label for="<?php echo esc_attr( $this->get_field_id( 'username' ) ); ?>"><?php esc_html_e( '@username or #tag', 'wp-instagram-widget' ); ?>: <input class="widefat" id="<?php echo esc_attr( $this->get_field_id( 'username' ) ); ?>" name="<?php echo esc_attr( $this->get_field_name( 'username' ) ); ?>" type="text" value="<?php echo esc_attr( $username ); ?>" /></label></p>
<p><label for="<?php echo esc_attr( $this->get_field_id( 'number' ) ); ?>"><?php esc_html_e( 'Number of photos', 'wp-instagram-widget' ); ?>: <input class="widefat" id="<?php echo esc_attr( $this->get_field_id( 'number' ) ); ?>" name="<?php echo esc_attr( $this->get_field_name( 'number' ) ); ?>" type="text" value="<?php echo esc_attr( $number ); ?>" /></label></p>
<p><label for="<?php echo esc_attr( $this->get_field_id( 'size' ) ); ?>"><?php esc_html_e( 'Photo size', 'wp-instagram-widget' ); ?>:</label>
<select id="<?php echo esc_attr( $this->get_field_id( 'size' ) ); ?>" name="<?php echo esc_attr( $this->get_field_name( 'size' ) ); ?>" class="widefat">
<option value="thumbnail" <?php selected( 'thumbnail', $size ) ?>><?php esc_html_e( 'Thumbnail', 'wp-instagram-widget' ); ?></option>
<option value="small" <?php selected( 'small', $size ) ?>><?php esc_html_e( 'Small', 'wp-instagram-widget' ); ?></option>
<option value="large" <?php selected( 'large', $size ) ?>><?php esc_html_e( 'Large', 'wp-instagram-widget' ); ?></option>
<option value="original" <?php selected( 'original', $size ) ?>><?php esc_html_e( 'Original', 'wp-instagram-widget' ); ?></option>
</select>
</p>
<p><label for="<?php echo esc_attr( $this->get_field_id( 'target' ) ); ?>"><?php esc_html_e( 'Open links in', 'wp-instagram-widget' ); ?>:</label>
<select id="<?php echo esc_attr( $this->get_field_id( 'target' ) ); ?>" name="<?php echo esc_attr( $this->get_field_name( 'target' ) ); ?>" class="widefat">
<option value="_self" <?php selected( '_self', $target ) ?>><?php esc_html_e( 'Current window (_self)', 'wp-instagram-widget' ); ?></option>
<option value="_blank" <?php selected( '_blank', $target ) ?>><?php esc_html_e( 'New window (_blank)', 'wp-instagram-widget' ); ?></option>
</select>
</p>
<p><label for="<?php echo esc_attr( $this->get_field_id( 'link' ) ); ?>"><?php esc_html_e( 'Link text', 'wp-instagram-widget' ); ?>: <input class="widefat" id="<?php echo esc_attr( $this->get_field_id( 'link' ) ); ?>" name="<?php echo esc_attr( $this->get_field_name( 'link' ) ); ?>" type="text" value="<?php echo esc_attr( $link ); ?>" /></label></p>
<?php
}
function update( $new_instance, $old_instance ) {
$instance = $old_instance;
$instance['title'] = strip_tags( $new_instance['title'] );
$instance['username'] = trim( strip_tags( $new_instance['username'] ) );
$instance['number'] = ! absint( $new_instance['number'] ) ? 9 : $new_instance['number'];
$instance['size'] = ( ( 'thumbnail' === $new_instance['size'] || 'large' === $new_instance['size'] || 'small' === $new_instance['size'] || 'original' === $new_instance['size'] ) ? $new_instance['size'] : 'large' );
$instance['target'] = ( ( '_self' === $new_instance['target'] || '_blank' === $new_instance['target'] ) ? $new_instance['target'] : '_self' );
$instance['link'] = strip_tags( $new_instance['link'] );
return $instance;
}
// based on https://gist.github.com/cosmocatalano/4544576.
function scrape_instagram( $username ) {
$username = trim( strtolower( $username ) );
if ( false === ( $instagram = get_transient( 'instagram-a6-' . sanitize_title_with_dashes( $username ) ) ) ) {
switch ( substr( $username, 0, 1 ) ) {
case '#':
$url = 'https://instagram.com/explore/tags/' . str_replace( '#', '', $username );
break;
default:
$url = 'https://instagram.com/' . str_replace( '@', '', $username );
break;
}
$remote = wp_remote_get( $url );
if ( is_wp_error( $remote ) ) {
return new WP_Error( 'site_down', esc_html__( 'Unable to communicate with Instagram.', 'wp-instagram-widget' ) );
}
if ( 200 !== wp_remote_retrieve_response_code( $remote ) ) {
return new WP_Error( 'invalid_response', esc_html__( 'Instagram did not return a 200.', 'wp-instagram-widget' ) );
}
$shards = explode( 'window._sharedData = ', $remote['body'] );
$insta_json = explode( ';</script>', $shards[1] );
$insta_array = json_decode( $insta_json[0], true );
if ( ! $insta_array ) {
return new WP_Error( 'bad_json', esc_html__( 'Instagram has returned invalid data.', 'wp-instagram-widget' ) );
}
if ( isset( $insta_array['entry_data']['ProfilePage'][0]['user']['media']['nodes'] ) ) {
$images = $insta_array['entry_data']['ProfilePage'][0]['user']['media']['nodes'];
} else if ( isset( $insta_array['entry_data']['TagPage'][0]['tag']['media']['nodes'] ) ) {
$images = $insta_array['entry_data']['TagPage'][0]['tag']['media']['nodes'];
} else {
return new WP_Error( 'bad_json_2', esc_html__( 'Instagram has returned invalid data.', 'wp-instagram-widget' ) );
}
if ( ! is_array( $images ) ) {
return new WP_Error( 'bad_array', esc_html__( 'Instagram has returned invalid data.', 'wp-instagram-widget' ) );
}
$instagram = array();
foreach ( $images as $image ) {
$image['thumbnail_src'] = preg_replace( '/^https?\:/i', '', $image['thumbnail_src'] );
$image['display_src'] = preg_replace( '/^https?\:/i', '', $image['display_src'] );
// handle both types of CDN url.
if ( ( strpos( $image['thumbnail_src'], 's640x640' ) !== false ) ) {
$image['thumbnail'] = str_replace( 's640x640', 's160x160', $image['thumbnail_src'] );
$image['small'] = str_replace( 's640x640', 's320x320', $image['thumbnail_src'] );
} else {
$urlparts = wp_parse_url( $image['thumbnail_src'] );
$pathparts = explode( '/', $urlparts['path'] );
array_splice( $pathparts, 3, 0, array( 's160x160' ) );
$image['thumbnail'] = '//' . $urlparts['host'] . implode( '/', $pathparts );
$pathparts[3] = 's320x320';
$image['small'] = '//' . $urlparts['host'] . implode( '/', $pathparts );
}
$image['large'] = $image['thumbnail_src'];
if ( true === $image['is_video'] ) {
$type = 'video';
} else {
$type = 'image';
}
$caption = __( 'Instagram Image', 'wp-instagram-widget' );
if ( ! empty( $image['caption'] ) ) {
$caption = $image['caption'];
}
$instagram[] = array(
'description' => $caption,
'link' => trailingslashit( '//instagram.com/p/' . $image['code'] ),
'time' => $image['date'],
'comments' => $image['comments']['count'],
'likes' => $image['likes']['count'],
'thumbnail' => $image['thumbnail'],
'small' => $image['small'],
'large' => $image['large'],
'original' => $image['display_src'],
'type' => $type,
);
} // End foreach().
// do not set an empty transient - should help catch private or empty accounts.
if ( ! empty( $instagram ) ) {
$instagram = base64_encode( serialize( $instagram ) );
set_transient( 'instagram-a6-' . sanitize_title_with_dashes( $username ), $instagram, apply_filters( 'null_instagram_cache_time', HOUR_IN_SECONDS * 2 ) );
}
}
if ( ! empty( $instagram ) ) {
return unserialize( base64_decode( $instagram ) );
} else {
return new WP_Error( 'no_images', esc_html__( 'Instagram did not return any images.', 'wp-instagram-widget' ) );
}
}
function images_only( $media_item ) {
if ( 'image' === $media_item['type'] ) {
return true;
}
return false;
}
}