<?php
/**
* URL Shorteners XPoster
*
* @category Core
* @package XPoster
* @author Joe Dolson
* @license GPLv2 or later
* @link https://www.joedolson.com/wp-to-twitter/
*/
if ( ! defined( 'ABSPATH' ) ) {
exit;
}
if ( ! function_exists( 'wpt_shorten_url' ) ) {
// prep work for future plug-in replacement.
add_filter( 'wptt_shorten_link', 'wpt_shorten_url', 10, 4 );
/**
* Given a URL, shorten it.
*
* @param string $url URL.
* @param string $post_title Post Title.
* @param int $post_ID Post ID.
* @param string|bool $testmode Testing function.
* @param bool $store_urls Whether to store URL after creating.
* @param bool $get_urls Whether to fetch a stored URL from the post.
*
* @return string shortened URL.
*/
function wpt_shorten_url( $url, $post_title, $post_ID, $testmode = false, $store_urls = true, $get_urls = true ) {
$shortener = (string) get_option( 'jd_shortener' );
wpt_mail( 'Shortener running: initial link', "Url: $url, Title: $post_title, Post ID: $post_ID, Test mode: $testmode, Shortener: $shortener", $post_ID ); // DEBUG.
// if the URL already exists & a shortener is enabled, return it without processing.
if ( '3' === $shortener && wpt_short_url( $post_ID ) && $store_urls ) {
$shrink = wpt_short_url( $post_ID );
return $shrink;
}
/**
* Make modifications to URLs prior to shortening.
*
* @hook wpt_shorten_link
* @param {string} $url Full permalink URL to post.
* @param {string} $shortener Shortener selected in settings.
* @param {int} $post_ID Post ID.
*
* @return {string}
*/
$url = apply_filters( 'wpt_shorten_link', $url, $shortener, $post_ID );
if ( false === $testmode ) {
if ( '1' === get_option( 'use-twitter-analytics' ) || '1' === get_option( 'use_dynamic_analytics' ) ) {
if ( '1' === get_option( 'use_dynamic_analytics' ) ) {
$campaign_type = get_option( 'jd_dynamic_analytics' );
if ( 'post_category' === $campaign_type && 'link' !== $testmode ) {
$category = get_the_category( $post_ID );
$campaign = sanitize_title( $category[0]->cat_name );
} elseif ( 'post_ID' === $campaign_type ) {
$campaign = $post_ID;
} elseif ( 'post_title' === $campaign_type && 'link' !== $testmode ) {
$post = get_post( $post_ID );
$campaign = sanitize_title( $post->post_title );
} else {
if ( 'link' !== $testmode ) {
$post = get_post( $post_ID );
$post_author = $post->post_author;
$campaign = urlencode( get_the_author_meta( 'user_login', $post_author ) );
} else {
$campaign = '';
}
}
} else {
$campaign = get_option( 'twitter-analytics-campaign' );
}
/**
* Filter the default utm_medium argument in link analytics.
*
* @hook wpt_utm_medium
*
* @param {string} $medium Default 'twitter'.
*
* @return {string}
*/
$medium = urlencode( trim( apply_filters( 'wpt_utm_medium', 'twitter' ) ) );
/**
* Filter the default utm_source argument in link analytics.
*
* @hook wpt_utm_source
*
* @param {string} $source Default 'twitter'.
*
* @return {string}
*/
$source = urlencode( trim( apply_filters( 'wpt_utm_source', 'twitter' ) ) );
$tracking = apply_filters(
'wpt_analytics_arguments',
array(
'utm_campaign' => $campaign,
'utm_medium' => $medium,
'utm_source' => $source,
),
$post_ID
);
$url = add_query_arg( $tracking, $url );
}
$url = urldecode( trim( $url ) ); // prevent double-encoding.
$encoded = urlencode( $url );
} else {
$url = urldecode( trim( $url ) ); // prevent double-encoding.
$encoded = urlencode( $url );
}
// custom word setting.
$keyword_format = ( '1' === get_option( 'jd_keyword_format' ) ) ? $post_ID : '';
$keyword_format = ( '2' === get_option( 'jd_keyword_format' ) ) ? get_post_meta( $post_ID, '_yourls_keyword', true ) : $keyword_format;
/**
* Apply a custom shortener to your status update. Return false to allow the settings to parse the URL or a URL to shortcircuit plugin settings.
*
* @hook wpt_do_shortening
* @param {bool} $shrink False prior to shortening.
* @param {string} $shortener Shortener selected in settings.
* @param {string} $url Full permalink URL to post.
* @param {string} $post_title Title of source post.
* @param {int} $post_ID Post ID.
* @param {bool} $testmode True if running a test of XPoster.
*
* @return {string}
*/
$shrink = apply_filters( 'wpt_do_shortening', false, $shortener, $url, $post_title, $post_ID, $testmode );
// if an add-on has shortened the link, skip shortening.
$error = false;
if ( ! $shrink ) {
switch ( $shortener ) {
case 3: // no shortener.
$shrink = $url;
break;
case 2: // updated to v3 3/31/2010.
// Bitly supported via https://wordpress.org/plugins/codehaveli-bitly-url-shortener/.
$bitlyurl = get_post_meta( $post_ID, '_wbitly_shorturl', true );
if ( ! empty( $bitlyurl ) && $get_urls ) {
$shrink = $bitlyurl;
} else {
if ( function_exists( 'wbitly_generate_shorten_url' ) ) {
$shrink = wbitly_generate_shorten_url( $url );
}
if ( function_exists( 'wbitly_shorten_url' ) && ! $shrink ) {
$shrink = wbitly_shorten_url( $url );
}
}
break;
case 4:
if ( function_exists( 'wp_get_shortlink' ) ) {
// wp_get_shortlink doesn't natively support custom post types; but don't return an error in that case.
$shrink = ( false !== $post_ID ) ? wp_get_shortlink( $post_ID, 'post' ) : $url;
}
if ( ! $shrink ) {
$shrink = $url;
}
break;
case 5:
// local YOURLS installation.
define( 'YOURLS_INSTALLING', true ); // Pretend we're installing YOURLS to bypass test for install or upgrade.
define( 'YOURLS_FLOOD_DELAY_SECONDS', 0 ); // Disable flood check.
$opath = get_option( 'yourlspath' );
$ypath = str_replace( 'user', 'includes', $opath );
if ( file_exists( dirname( $ypath ) . '/load-yourls.php' ) ) { // YOURLS 1.4+.
require_once dirname( $ypath ) . '/load-yourls.php';
global $ydb;
if ( function_exists( 'yourls_add_new_link' ) ) {
$yourls_result = yourls_add_new_link( $url, $keyword_format, $post_title );
} else {
$yourls_result = $url;
}
}
if ( $yourls_result ) {
$shrink = $yourls_result['shorturl'];
} else {
$shrink = false;
}
break;
case 6:
// remote YOURLS installation.
$yourlstoken = trim( get_option( 'yourlstoken' ) );
$yourlslogin = trim( get_option( 'yourlslogin' ) );
$yourlsurl = stripcslashes( get_option( 'yourlsurl' ) );
if ( $yourlstoken && $yourlsurl ) {
$token = stripcslashes( $yourlstoken );
$yourlsurl = esc_url( $yourlsurl );
if ( $token ) {
$args = array(
'signature' => $token,
'url' => $encoded,
'action' => 'shorturl',
'format' => 'json',
'title' => urlencode( $post_title ),
);
} else {
$args = array(
'username' => $yourlslogin,
'password' => $yourlsurl,
'url' => $encoded,
'action' => 'shorturl',
'format' => 'json',
'title' => urlencode( $post_title ),
);
}
if ( $keyword_format ) {
$args['keyword'] = $keyword_format;
}
$api_url = add_query_arg( $args, $yourlsurl );
$json = wpt_remote_json( $api_url, false );
if ( is_object( $json ) ) {
$shrink = $json->shorturl;
} else {
$error = 'Error code: YOURLS response is not an object';
$shrink = false;
}
}
break;
case 7:
// Su.pr. Stumbleupon closed doors in June 2018.
case 8:
// Goo.gl. Service disabled March 2019.
case 9:
// Twitter Friendly Links. This plugin not updated in 8 years.
$shrink = $url;
break;
case 10:
// jotURL, added: 2013-04-10.
$joturlapi = trim( get_option( 'joturlapi' ) );
$joturllogin = trim( get_option( 'joturllogin' ) );
if ( ! empty( $joturlapi ) && ! empty( $joturllogin ) ) {
$joturl_longurl_params = trim( get_option( 'joturl_longurl_params' ) );
$domain = trim( get_option( 'joturl_domain', false ) );
if ( '' !== $joturl_longurl_params ) {
if ( false === strpos( $url, '%3F' ) && false === strpos( $url, '?' ) ) {
$ct = '?';
} else {
$ct = '&';
}
$url .= $ct . $joturl_longurl_params;
$encoded = urlencode( urldecode( trim( $url ) ) ); // prevent double-encoding.
}
$domain = ( $domain ) ? '&domain=' . $domain : '';
$decoded = wpt_fetch_url( 'https://api.joturl.com/a/v1/shorten?url=' . $encoded . '&login=' . $joturllogin . '&key=' . $joturlapi . '&format=plain' . $domain );
if ( false !== $decoded ) {
$shrink = $decoded;
$joturl_shorturl_params = trim( get_option( 'joturl_shorturl_params' ) );
if ( '' !== $joturl_shorturl_params ) {
if ( false === strpos( $shrink, '%3F' ) && false === strpos( $shrink, '?' ) ) {
$ct = '?';
} else {
$ct = '&';
}
$shrink .= $ct . $joturl_shorturl_params;
}
} else {
$error = $decoded;
$shrink = false;
}
if ( ! wpt_is_valid_url( $shrink ) ) {
$shrink = false;
}
}
break;
case 11:
// Hum URL shortener.
if ( $testmode ) {
// Hum does not support shortening links without IDs.
$shrink = $url;
} else {
if ( class_exists( 'Hum' ) && method_exists( 'Hum', 'get_shortlink' ) ) {
$hum = new Hum();
$shrink = $hum->get_shortlink( $url, $post_ID, 'post', true );
} else {
$shrink = $url;
}
}
break;
default:
$shrink = $url;
}
}
if ( $error ) {
update_option( 'wpt_shortener_status', "$shrink : $error" );
}
if ( ! $testmode ) {
if ( false === $shrink || ( false === filter_var( $shrink, FILTER_VALIDATE_URL ) ) ) {
update_option( 'wp_url_failure', '1' );
$shrink = urldecode( $url );
} else {
update_option( 'wp_url_failure', '0' );
}
}
$store_urls = apply_filters( 'wpt_store_url', $store_urls );
if ( $store_urls ) {
wpt_store_url( $post_ID, $shrink );
}
return $shrink;
}
/**
* Store shortened URL for re-use.
*
* @param int $post_ID Post ID.
* @param string $url Shortened URL.
*/
function wpt_store_url( $post_ID, $url ) {
$store_urls = apply_filters( 'wpt_store_urls', true, $post_ID, $url );
if ( function_exists( 'wpt_shorten_url' ) && $store_urls ) {
$shortener = get_option( 'jd_shortener' );
// Don't store URLs if not shortening is selected.
if ( '3' === $shortener ) {
return;
}
if ( wpt_short_url( $post_ID ) !== $url && wpt_is_valid_url( $url ) ) {
update_post_meta( $post_ID, '_wpt_short_url', $url );
}
switch ( $shortener ) {
case 5:
case 6:
$target = wpt_expand_yourl( $url, $shortener );
break;
default:
$target = $url;
}
} else {
$target = $url;
}
update_post_meta( $post_ID, '_wp_jd_target', $target );
}
/**
* Expand a saved YOURL URl.
*
* @param string $short_url Shortened URL.
* @param int $remote Remote or local install.
*
* @return long url.
*/
function wpt_expand_yourl( $short_url, $remote ) {
if ( 6 === (int) $remote ) {
$short_url = urlencode( $short_url );
$yourl_api = get_option( 'yourlsurl' );
$user = get_option( 'yourlslogin' );
$pass = stripslashes( get_option( 'yourlsapi' ) );
$token = get_option( 'yourlstoken' );
if ( $token ) {
$decoded = wpt_remote_json( $yourl_api . "?action=expand&shorturl=$short_url&format=json&signature=$token" );
if ( '404' === (string) $decoded['errorCode'] ) {
$short_url = urldecode( $short_url );
if ( false === stripos( $short_url, 'https://' ) ) {
// Yourls will throw an error for mismatched protocol.
$short_url = str_replace( 'http://', 'https://', $short_url );
} else {
$short_url = str_replace( 'https://', 'http://', $short_url );
}
$short_url = urlencode( $short_url );
$decoded = wpt_remote_json( $yourl_api . "?action=expand&shorturl=$short_url&format=json&signature=$token" );
}
} else {
$decoded = wpt_remote_json( $yourl_api . "?action=expand&shorturl=$short_url&format=json&username=$user&password=$pass" );
}
$url = ( isset( $decoded['longurl'] ) ) ? $decoded['longurl'] : $short_url;
return $url;
} else {
define( 'YOURLS_INSTALLING', true ); // Pretend we're installing YOURLS to bypass test for install or upgrade.
define( 'YOURLS_FLOOD_DELAY_SECONDS', 0 ); // Disable flood check.
if ( file_exists( dirname( get_option( 'yourlspath' ) ) . '/load-yourls.php' ) ) { // YOURLS 1.4+.
global $ydb;
require_once dirname( get_option( 'yourlspath' ) ) . '/load-yourls.php';
$yourls_result = yourls_api_expand( $short_url );
}
if ( $yourls_result ) {
$url = $yourls_result['longurl'];
} else {
$url = $short_url;
}
return $url;
}
}
add_filter( 'wpt_shortener_controls', 'wpt_shortener_controls' );
/**
* Controls for adding shortener relevant data.
*/
function wpt_shortener_controls() {
$shortener = get_option( 'jd_shortener' );
$admin_url = admin_url( 'admin.php?page=wp-tweets-pro' );
$form_start = '<div class="panel">
<form method="post" action="' . add_query_arg( 'tab', 'shortener', $admin_url ) . '">
<div><input type="hidden" name="wpt_shortener_update" value="true" /></div>
<div>';
$nonce = wp_nonce_field( 'wp-to-twitter-nonce', '_wpnonce', true, false );
$form_end = '<div>' . $nonce . '</div>
<p>
<input type="submit" name="submit" value="' . esc_attr__( 'Save URL Shortener Settings', 'wp-to-twitter' ) . '" class="button-primary" />
</p>
</div>
</form>
</div>';
// for the moment, this just displays the fields. Eventually, a real filter.
?>
<div class="ui-sortable meta-box-sortables">
<div class="postbox">
<h3>
<span><?php esc_html_e( 'URL Shortener Account Settings', 'wp-to-twitter' ); ?></span>
</h3>
<div class="inside">
<?php
if ( 7 === (int) $shortener ) {
echo '<p>' . esc_html__( 'The Su.pr URL shortener was shut down when Stumbleupon closed doors in June 2018.', 'wp-to-twitter' ) . '</p>';
} elseif ( 2 === (int) $shortener ) {
if ( function_exists( 'wbitly_shorten_url' ) ) {
echo '<p>' . __( 'XPoster supports Bit.ly shortened links via <a href="https://wordpress.org/plugins/codehaveli-bitly-url-shortener/">Codehaveli Bitly URL Shortener</a>. If you are having issues with Bit.ly URLs, please request support from <a href="https://wordpress.org/support/plugin/codehaveli-bitly-url-shortener/">the plugin support forums</a>.', 'wp-to-twitter' ) . '</p>';
} else {
echo '<p>' . __( 'XPoster supports Bit.ly shortened links via <a href="https://wordpress.org/plugins/codehaveli-bitly-url-shortener/">Codehaveli Bitly URL Shortener</a>. Install that plug-in to use Bit.ly', 'wp-to-twitter' ) . '</p>';
}
} elseif ( 5 === (int) $shortener || 6 === (int) $shortener ) {
echo $form_start;
if ( 5 === (int) $shortener ) {
?>
<p>
<label for="yourlspath"><?php _e( 'Path to your YOURLS config file', 'wp-to-twitter' ); ?></label><br/>
<input type="text" id="yourlspath" name="yourlspath" class="widefat" value="<?php echo esc_attr( get_option( 'yourlspath' ) ); ?>"/><br/>
<small><?php _e( 'Example:', 'wp-to-twitter' ); ?> <code>/home/username/www/www/yourls/user/config.php</code>
</small>
</p>
<?php
}
if ( 6 === (int) $shortener ) {
?>
<p>
<label for="yourlsurl"><?php _e( 'URI to the YOURLS API', 'wp-to-twitter' ); ?></label><br/>
<input type="text" id="yourlsurl" name="yourlsurl" class="widefat" value="<?php echo esc_attr( get_option( 'yourlsurl' ) ); ?>"/><br/>
<small><?php _e( 'Example:', 'wp-to-twitter' ); ?> <code>https://domain.com/yourls-api.php</code>
</small>
</p>
<?php
}
?>
<p>
<label for="yourlstoken"><?php _e( 'YOURLS signature token:', 'wp-to-twitter' ); ?></label>
<input type="text" name="yourlstoken" id="yourlstoken" size="30" value="<?php echo esc_attr( get_option( 'yourlstoken' ) ); ?>"/>
</p>
<?php
if ( get_option( 'yourlsapi' ) && get_option( 'yourlslogin' ) ) {
?>
<p>
<em><?php _e( 'Your YOURLS username and password are saved. If you add a signature token, that will be used for API calls and your username and password will be deleted from the database.', 'wp-to-twitter' ); ?></em>
</p>
<?php
}
?>
<p>
<input type="radio" name="jd_keyword_format" id="jd_keyword_id" value="1" <?php checked( get_option( 'jd_keyword_format' ), 1 ); ?> />
<label for="jd_keyword_id"><?php _e( 'Post ID for YOURLS url slug.', 'wp-to-twitter' ); ?></label><br/>
<input type="radio" name="jd_keyword_format" id="jd_keyword" value="2" <?php checked( get_option( 'jd_keyword_format' ), 2 ); ?> />
<label for="jd_keyword"><?php _e( 'Custom keyword for YOURLS url slug.', 'wp-to-twitter' ); ?></label><br/>
<input type="radio" name="jd_keyword_format" id="jd_keyword_default" value="0" <?php checked( get_option( 'jd_keyword_format' ), 0 ); ?> />
<label for="jd_keyword_default"><?php _e( 'Default: sequential URL numbering.', 'wp-to-twitter' ); ?></label>
</p>
<div>
<input type="hidden" name="submit-type" value="yourlsapi" />
</div>
<?php
echo $form_end;
} elseif ( 8 === (int) $shortener ) {
echo '<p>' . __( 'The Goo.gl URL shortener was shut down by Google in March 2019.', 'wp-to-twitter' ) . '</p>';
} elseif ( 10 === (int) $shortener ) {
echo $form_start;
?>
<p>
<label for="joturllogin"><?php _e( "Your jotURL public <abbr title='application programming interface'>API</abbr> key:", 'wp-to-twitter' ); ?></label><br>
<input type="text" name="joturllogin" id="joturllogin" value="<?php echo esc_attr( get_option( 'joturllogin' ) ); ?>"/>
</p>
<p>
<label for="joturlapi"><?php _e( "Your jotURL private <abbr title='application programming interface'>API</abbr> key:", 'wp-to-twitter' ); ?></label><br>
<input type="text" name="joturlapi" id="joturlapi" size="40" value="<?php echo esc_attr( get_option( 'joturlapi' ) ); ?>"/>
</p>
<p>
<label for="joturl_domain"><?php _e( 'Your jotURL custom domain:', 'wp-to-twitter' ); ?></label><br>
<input type="text" name="joturl_domain" id="joturl_domain" size="40" value="<?php echo esc_attr( get_option( 'joturl_domain' ) ); ?>"/>
</p>
<p>
<label for="joturl_longurl_params"><?php _e( 'Parameters to add to the long URL (before URL shortening):', 'wp-to-twitter' ); ?></label><br>
<input type="text" name="joturl_longurl_params" id="joturl_longurl_params" size="40" value="<?php echo esc_attr( get_option( 'joturl_longurl_params' ) ); ?>"/>
</p>
<p>
<label for="joturl_shorturl_params"><?php _e( 'Parameters to add to the short URL (after URL shortening):', 'wp-to-twitter' ); ?></label><br>
<input type="text" name="joturl_shorturl_params" id="joturl_shorturl_params" size="40" value="<?php echo esc_attr( get_option( 'joturl_shorturl_params' ) ); ?>"/>
</p>
<p>
<a href="https://joturl.com/reserved/settings.html#tools-api"><?php _e( 'View your jotURL public and private API key', 'wp-to-twitter' ); ?></a>
</p>
<div><input type="hidden" name="submit-type" value="joturlapi"/></div>
<?php
echo $form_end;
} else {
$form = apply_filters( 'wpt_shortener_settings', '', $shortener );
if ( '' !== $form ) {
echo $form_start . $form . $form_end;
} else {
_e( 'Your shortener does not require any account settings.', 'wp-to-twitter' );
}
}
?>
</div>
</div>
</div>
<?php
}
/**
* Update settings for shorteners.
*
* @param array $post POST data.
*/
function wpt_shortener_update( $post ) {
$message = '';
if ( isset( $post['submit-type'] ) && 'yourlsapi' === $post['submit-type'] ) {
$message = '';
if ( '' !== $post['yourlstoken'] && isset( $post['submit'] ) ) {
update_option( 'yourlstoken', trim( $post['yourlstoken'] ) );
delete_option( 'yourlsapi' );
delete_option( 'yourlslogin' );
$message .= __( 'YOURLS signature token updated.', 'wp-to-twitter' );
}
update_option( 'yourlsurl', trim( $post['yourlsurl'] ) );
// yourls path is deprecated.
if ( isset( $post['yourlspath'] ) && '' !== $post['yourlspath'] ) {
update_option( 'yourlspath', trim( $post['yourlspath'] ) );
if ( file_exists( $post['yourlspath'] ) ) {
$message .= ' ' . __( 'YOURLS local server path added. ', 'wp-to-twitter' );
} else {
$message .= ' ' . __( 'The path to your YOURLS installation is not correct. ', 'wp-to-twitter' );
}
}
if ( '' !== $post['jd_keyword_format'] ) {
update_option( 'jd_keyword_format', $post['jd_keyword_format'] );
if ( '1' === $post['jd_keyword_format'] ) {
$message .= ' ' . __( 'YOURLS will use Post ID for short URL slug.', 'wp-to-twitter' );
} elseif ( '0' === $post['jd_keyword_format'] ) {
$message .= ' ' . __( 'YOURLS will use default URL structures.', 'wp-to-twitter' );
} else {
$message .= ' ' . __( 'YOURLS will use your custom keyword for short URL slug.', 'wp-to-twitter' );
}
}
if ( isset( $post['clear'] ) ) {
delete_option( 'yourlsapi' );
delete_option( 'yourlslogin' );
delete_option( 'yourlstoken' );
delete_option( 'jd_keyword_format' );
delete_option( 'yourlspath' );
delete_option( 'yourlsurl' );
$message .= __( 'YOURLS data cleared.', 'wp-to-twitter' );
}
}
if ( isset( $post['submit-type'] ) && 'joturlapi' === $post['submit-type'] ) {
if ( '' !== $post['joturlapi'] && isset( $post['submit'] ) ) {
update_option( 'joturlapi', trim( $post['joturlapi'] ) );
$message = __( 'jotURL private API Key Updated.', 'wp-to-twitter' );
} elseif ( isset( $post['clear'] ) ) {
update_option( 'joturlapi', '' );
$message = __( 'jotURL private API Key deleted. You cannot use the jotURL API without a private API key.', 'wp-to-twitter' );
} else {
$message = __( "jotURL private API Key not added - <a href='https://www.joturl.com/reserved/api.html'>get one here</a>! A private API key is required to use the jotURL URL shortening service. ", 'wp-to-twitter' );
}
if ( '' !== $post['joturllogin'] && isset( $post['submit'] ) ) {
update_option( 'joturllogin', trim( $post['joturllogin'] ) );
$message .= __( 'jotURL public API Key Updated.', 'wp-to-twitter' );
} elseif ( isset( $post['clear'] ) ) {
update_option( 'joturllogin', '' );
$message = __( 'jotURL public API Key deleted. You cannot use the jotURL API without providing your public API Key.', 'wp-to-twitter' );
} else {
$message = __( "jotURL public API Key not added - <a href='https://www.joturl.com/reserved/settings.html#tools-api'>get one here</a>! ", 'wp-to-twitter' );
}
if ( '' !== $post['joturl_longurl_params'] && isset( $post['submit'] ) ) {
$v = trim( $post['joturl_longurl_params'] );
if ( substr( $v, 0, 1 ) === '&' || substr( $v, 0, 1 ) === '?' ) {
$v = substr( $v, 1 );
}
update_option( 'joturl_longurl_params', $v );
$message .= __( 'Long URL parameters added.', 'wp-to-twitter' );
} elseif ( isset( $post['clear'] ) ) {
update_option( 'joturl_longurl_params', '' );
$message = __( 'Long URL parameters deleted.', 'wp-to-twitter' );
}
if ( '' !== $post['joturl_domain'] && isset( $post['submit'] ) ) {
update_option( 'joturl_domain', $post['joturl_domain'] );
$message .= __( 'Custom jotURL domain saved.', 'wp-to-twitter' );
} elseif ( isset( $post['clear'] ) ) {
update_option( 'joturl_domain', '' );
$message = __( 'Custom jotURL domain deleted.', 'wp-to-twitter' );
}
if ( '' !== $post['joturl_shorturl_params'] && isset( $post['submit'] ) ) {
$v = trim( $post['joturl_shorturl_params'] );
if ( substr( $v, 0, 1 ) === '&' || substr( $v, 0, 1 ) === '?' ) {
$v = substr( $v, 1 );
}
update_option( 'joturl_shorturl_params', $v );
$message .= __( 'Short URL parameters added.', 'wp-to-twitter' );
} elseif ( isset( $post['clear'] ) ) {
update_option( 'joturl_shorturl_params', '' );
$message = __( 'Short URL parameters deleted.', 'wp-to-twitter' );
}
}
$message = apply_filters( 'wpt_save_shortener_settings', $message );
return $message;
}
/**
* Select a shortener.
*
* @param array $post POST data.
*
* @return message.
*/
function wpt_select_shortener( $post ) {
$message = '';
// don't return a message if unchanged.
$stored = ( isset( $_POST['wpt_use_stored_urls'] ) ) ? 'false' : 'true';
update_option( 'wpt_use_stored_urls', $stored );
if ( get_option( 'jd_shortener' ) === $post['jd_shortener'] ) {
return;
}
update_option( 'jd_shortener', $post['jd_shortener'] );
$short = (string) get_option( 'jd_shortener' );
$admin_url = admin_url( 'admin.php?page=wp-tweets-pro' );
$admin_url = add_query_arg( 'tab', 'shortener', $admin_url );
// these are the URL shorteners which require settings.
if ( '2' === $short || '10' === $short || '6' === $short ) {
// Translators: Settings URL for shortener configuration.
$message .= sprintf( __( 'You must <a href="%s">configure your URL shortener settings</a>.', 'wp-to-twitter' ), $admin_url );
}
if ( '' !== $message ) {
$message .= '<br />';
}
return $message;
}
add_filter( 'wpt_pick_shortener', 'wpt_pick_shortener' );
/**
* Form to select your shortener.
*/
function wpt_pick_shortener() {
$shortener = (string) get_option( 'jd_shortener', false );
if ( '2' === $shortener && ! function_exists( 'wbitly_shorten_url' ) ) {
$install_bitly = admin_url( 'plugin-install.php?s=codehaveli+bitly+url+shortener&tab=search&type=term' );
// Translators: search URL to find Bit.ly plug-in.
echo '<p>' . sprintf( __( 'Bit.ly support is provided via the <a href="https://wordpress.org/plugins/codehaveli-bitly-url-shortener/">Codehaveli Bitly URL Shortener</a> (<a href="%s">Install</a>) plug-in, available from WordPress.org', 'wp-to-twitter' ), $install_bitly ) . '</p>';
}
if ( '11' === $shortener && ! class_exists( 'Hum' ) ) {
$install_hum = admin_url( 'plugin-install.php?s=hum+url+shortener+norris&tab=search&type=term' );
// Translators: search URL to find Hum plug-in.
echo '<p>' . sprintf( __( 'Hum is a custom shortener plug-in. Support is provided via the <a href="https://wordpress.org/plugins/hum/">Hum URL Shortener</a> (<a href="%s">Install</a>) plug-in, available from WordPress.org', 'wp-to-twitter' ), $install_hum ) . '</p>';
}
?>
<p>
<label for="jd_shortener"><?php _e( 'Choose a URL shortener', 'wp-to-twitter' ); ?></label>
<select name="jd_shortener" id="jd_shortener">
<option value="3" <?php selected( $shortener, '3' ); ?>><?php _e( "Don't shorten URLs.", 'wp-to-twitter' ); ?></option>
<option value="4" <?php selected( $shortener, '4' ); ?>>WordPress</option>
<option value="2" <?php selected( $shortener, '2' ); ?>>Bit.ly</option>
<?php
if ( '5' === $shortener ) { // if the user has already selected local server, leave available.
?>
<option value="5" <?php selected( $shortener, '5' ); ?>><?php _e( 'YOURLS (this server)', 'wp-to-twitter' ); ?></option>
<?php
}
?>
<option value="6" <?php selected( $shortener, '6' ); ?>><?php _e( 'YOURLS', 'wp-to-twitter' ); ?></option>
<option value="10" <?php selected( $shortener, '10' ); ?>>jotURL</option>
<option value="11" <?php selected( $shortener, '11' ); ?>>Hum</option>
<?php
// Add a custom shortener.
echo apply_filters( 'wpt_choose_shortener', '', $shortener );
?>
</select>
<?php
if ( '3' !== $shortener ) {
?>
<input type='checkbox' value='false' name='wpt_use_stored_urls' id='wpt_use_stored_urls' <?php checked( get_option( 'wpt_use_stored_urls' ), 'false' ); ?>> <label for='wpt_use_stored_urls'><?php _e( 'Always request a new short URL for status updates', 'wp-to-twitter' ); ?></label>
<?php
}
?>
</p>
<?php
}
}