text 刮Instagram

Posted 2021-05-02

function scrape_instagram( $username ) {
		$username = strtolower( $username );
		$username = str_replace( '@', '', $username );
		if ( false === ( $instagram = get_transient( 'instagram-a5-'.sanitize_title_with_dashes( $username ) ) ) ) {
			$remote = wp_remote_get( 'http://instagram.com/'.trim( $username ) );
			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 {
				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 ( $image['is_video'] == true ) {
					$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
				);
			}
			// do not set an empty transient - should help catch private or empty accounts
			if ( ! empty( $instagram ) ) {
				$instagram = base64_encode( serialize( $instagram ) );
				set_transient( 'instagram-a5-'.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' ) );
		}
	}