530 lines
19 KiB
PHP
530 lines
19 KiB
PHP
<?php
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/**
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* Class for intializing and displaying all admin settings
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*
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* @package LBRYPress
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*/
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defined('ABSPATH') || die(); // Exit if accessed directly
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class LBRY_Admin
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{
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private $options;
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/**
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* LBRY_Admin Constructor
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*/
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public function __construct()
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{
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add_action('admin_menu', array($this, 'create_options_page'));
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add_action('admin_init', array($this, 'page_init'));
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add_action('admin_init', array($this, 'wallet_balance_warning'));
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add_action('admin_post_lbry_add_channel', array($this, 'add_channel'));
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}
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/**
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* Creates the options page in the WP admin interface
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*/
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public function create_options_page()
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{
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add_menu_page(
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__( 'LBRYPress Settings', 'lbrypress' ),
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__( 'LBRYPress', 'lbrypress' ),
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'manage_options',
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LBRY_ADMIN_PAGE,
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array( $this, 'options_page_html' ),
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plugin_dir_url( LBRY_PLUGIN_FILE ) . '/admin/images/lbry-icon.png'
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);
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// Admin stylesheet enqueue
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function load_admin_stylesheet( $hook ) {
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if ( ( $hook == 'post.php' ) || ( $hook == 'post-new.php' ) || ( $_GET['page'] == 'lbrypress' ) ) {
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wp_enqueue_style(
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'lbry-admin',
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plugins_url( '/admin/css/lbry-admin.css', LBRY_PLUGIN_FILE ),
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array(),
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LBRY_VERSION,
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'all'
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);
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}
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}
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add_action( 'admin_enqueue_scripts', 'load_admin_stylesheet' );
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// Admin Error Notices
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function lbry_plugin_not_configured_notice() {
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echo "<div id='notice' class='updated fade'><p>LBRYPress plugin is not configured yet. Please do it now.</p></div>\n";
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}
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$lbry_wallet = get_option('lbry_wallet');
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if ( ! isset($lbry_wallet) ) {
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add_action( 'admin_notices', 'lbry_plugin_not_configured_notice' );
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}
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function admin_permission_check() {
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if ( ! current_user_can( 'manage_options' ) ) {
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wp_die( __( 'You do not have sufficient permissions to access this page.' ) );
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}
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}
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}
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/**
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* Returns the Options Page HTML for the plugin
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*/
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public function options_page_html()
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{
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// Set class properties to be referenced in callbacks
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$this->options = get_option( LBRY_SETTINGS );
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$this->options_speech = get_option( LBRY_SPEECH_SETTINGS );
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require_once( LBRY_ABSPATH . 'templates/options-page.php' );
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}
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/**
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* Registers all settings for the plugin
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*/
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public function page_init()
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{
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// Register the LBRY Setting array
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register_setting(
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'lbry_general_settings',
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LBRY_SETTINGS,
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array( $this, 'sanitize_general_settings' )
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);
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// Add Required Settings Sections
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add_settings_section(
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LBRY_SETTINGS_SECTION_GENERAL, // ID
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'General Settings', // Title
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array( $this, 'general_section_callback' ), // Callback
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LBRY_ADMIN_PAGE // Page
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);
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// Add all settings fields
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add_settings_field(
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LBRY_WALLET,
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'LBRY Wallet Address',
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array( $this, 'wallet_callback' ),
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LBRY_ADMIN_PAGE,
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LBRY_SETTINGS_SECTION_GENERAL
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);
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add_settings_field(
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'lbry_default_publish_setting',
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'Always Publish to LBRY',
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array( $this, 'lbry_always_pub_callback' ),
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LBRY_ADMIN_PAGE,
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LBRY_SETTINGS_SECTION_GENERAL
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);
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add_settings_field(
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'default_lbry_channel',
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'Default Publish Channel',
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array( $this, 'default_channel_callback' ),
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LBRY_ADMIN_PAGE,
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LBRY_SETTINGS_SECTION_GENERAL
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);
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add_settings_field(
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LBRY_LICENSE,
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'LBRY Publishing License',
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array( $this, 'license_callback' ),
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LBRY_ADMIN_PAGE,
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LBRY_SETTINGS_SECTION_GENERAL
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);
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add_settings_field(
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LBRY_LBC_PUBLISH,
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'LBC Per Publish',
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array( $this, 'lbc_per_publish_callback' ),
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LBRY_ADMIN_PAGE,
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LBRY_SETTINGS_SECTION_GENERAL
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);
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/**
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* Channel Page Settings
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* We are using a custom page so that we can use the admin-post action and retrieve the $_POST
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* global variable to populate the cURL request to create_channel, not saving the inputs to
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* our database.
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*/
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/**
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* Speech Admin Page settings
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*/
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register_setting(
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LBRY_SPEECH_SETTINGS,
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LBRY_SPEECH_SETTINGS,
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array( $this, 'sanitize_speech_settings' )
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);
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add_settings_section(
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'lbry_settings_section_speech', // ID
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'Spee.ch Channel Settings', // Title
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array( $this, 'speech_section_callback' ), // Callback
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'lbrypress-speech' // Page
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);
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add_settings_field(
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LBRY_SPEECH,
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'Spee.ch URL',
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array( $this, 'speech_callback' ),
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'lbrypress-speech',
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'lbry_settings_section_speech'
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);
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add_settings_field(
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LBRY_SPEECH_CHANNEL,
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'Spee.ch Channel',
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array( $this, 'speech_channel_callback' ),
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'lbrypress-speech',
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'lbry_settings_section_speech'
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);
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add_settings_field(
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LBRY_SPEECH_PW,
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'Spee.ch Password',
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array( $this, 'speech_pw_callback' ),
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'lbrypress-speech',
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'lbry_settings_section_speech'
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);
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}
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/**
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* Sanitizes setting input
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* // COMBAK Potentially sanitize more
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*/
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public function sanitize_general_settings( $input )
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{
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$new_input = get_option( LBRY_SETTINGS ); // get saved data
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if ( isset( $input[LBRY_WALLET] ) ) {
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$new_input[LBRY_WALLET] = sanitize_text_field( $input[LBRY_WALLET] );
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}
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$new_input['lbry_default_publish_setting'] = $input['lbry_default_publish_setting'];
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if ( isset( $input['default_lbry_channel'] ) ) {
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$new_input['default_lbry_channel'] = sanitize_text_field( $input['default_lbry_channel'] );
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}
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$license_array = LBRY()->licenses;
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if ( isset( $input[LBRY_LICENSE] ) && ( in_array( $input[LBRY_LICENSE], $license_array ) ) ) {
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$new_input[LBRY_LICENSE] = sanitize_text_field( $input[LBRY_LICENSE] );
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}
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if ( isset( $input[LBRY_LBC_PUBLISH] ) ) {
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$new_input[LBRY_LBC_PUBLISH] = number_format( floatval( $input[LBRY_LBC_PUBLISH] ), 3, '.', '' );
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}
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return $new_input;
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}
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public function sanitize_speech_settings( $input )
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{
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$new_input = get_option( LBRY_SPEECH_SETTINGS );
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if ( isset( $input[LBRY_SPEECH] ) ) {
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$new_input[LBRY_SPEECH] = sanitize_text_field( $input[LBRY_SPEECH] );
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}
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if ( isset( $input[LBRY_SPEECH_CHANNEL] ) ) {
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$channel = $input[LBRY_SPEECH_CHANNEL];
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$channel = str_replace( '@', '', $channel );
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$new_input[LBRY_SPEECH_CHANNEL] = sanitize_user( $channel );
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}
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if ( isset( $input[LBRY_SPEECH_PW] ) ) {
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$input[LBRY_SPEECH_PW] = sanitize_text_field( $input[LBRY_SPEECH_PW] );
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$encrypted = $this->encrypt( $input[LBRY_SPEECH_PW] );
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$new_input[LBRY_SPEECH_PW] = $encrypted;
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} else {
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// If we have a password and it's empty, keep original password
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if ( empty( $input[LBRY_SPEECH_PW] ) )
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$new_input[LBRY_SPEECH_PW] = get_option( LBRY_SPEECH_SETTINGS[LBRY_SPEECH_PW] );
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}
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return $new_input;
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update_option( LBRY_SPEECH_SETTINGS, $new_input );
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}
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/**
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* Section info for the General Section
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*/
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public function general_section_callback()
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{
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print 'This is where you can configure how LBRYPress will distribute your content:';
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}
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/**
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* Section info for the Available Channel(s) Section
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*/
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public function available_channels_callback()
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{
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$channel_list = LBRY()->daemon->channel_list();
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if ( $channel_list ) { ?>
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<ul class="lbry-channel-list">
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<?php foreach ( $channel_list as $channel ) { ?>
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<li><?php esc_html_e( $channel->name ) ?></li>
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<?php } ?>
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</ul>
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<?php } else { ?>
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<p>Looks like you haven't added any channels yet, feel free to do so below:</p>
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<?php }
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}
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/**
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* Section info for the Speech Channel Section
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*/
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public function speech_section_callback()
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{
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print 'If you have a Spee.ch account, you can enter your account details here, if you don\'t already have a Spee.ch account, no need to enter anything here.';
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}
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/**
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* Prints Wallet input
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*/
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public function wallet_callback()
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{
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// Get first available account address from Daemon
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$address = LBRY()->daemon->address_list();
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$address = is_array( $address ) && ! empty( $address ) ? $address[0]->address : '';
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printf(
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'<input type="text" id="'. esc_attr('%1$s') .'" name="'. esc_attr('%2$s[%1$s]') .'" value="' . esc_attr('%3$s') . '" readonly />',
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LBRY_WALLET,
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LBRY_SETTINGS,
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$address
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);
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}
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/**
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* Checkbox to default to always allow publish on LBRY
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*/
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public function lbry_always_pub_callback()
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{
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$options = get_option( LBRY_SETTINGS )['lbry_default_publish_setting'];
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if ( ! isset( $options ) ) {
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$options = 0;
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}
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$checked = checked( $options, 1, false );
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printf(
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'<input type="checkbox" id="lbry_default_publish_setting" name="' . esc_attr('%2$s[%1$s]') . '" value="1" ' . esc_attr( $checked ) . '><p>Set Default to always Publish to <strong>LBRY</strong>, this can be adjusted when publishing a New Post.</p>',
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'lbry_default_publish_setting',
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LBRY_SETTINGS,
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);
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}
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/**
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* Prints select to choose a default to publish to channel
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*/
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public function default_channel_callback()
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{
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$options = '';
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$channel_list = LBRY()->daemon->channel_list();
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if ( $channel_list ) {
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foreach ( $channel_list as $channel ) {
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$selected = $this->options['default_lbry_channel'] === $channel->claim_id;
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$options .= '<option value="' . esc_attr( $channel->claim_id ) . '"';
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if ( $selected ) {
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$options .= ' selected';
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}
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$options .= '>' . esc_html( $channel->name ) . '</option>';
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}
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printf(
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'<select id="' . esc_attr('%1$s') . '" name="' . esc_attr('%2$s[%1$s]') . '">' . esc_html('%3$s') . '</select>',
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'default_lbry_channel',
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LBRY_SETTINGS,
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$options
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);
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} else { ?>
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<p>Looks like you haven't added any channels yet, you can do that now on the <a href="<?php echo esc_url( admin_url( add_query_arg( array( 'page' => 'lbrypress', 'tab' => 'channels' ), 'options.php' ) ) ); ?>" class="">Channels Tab</a></p>
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<?php }
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}
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/**
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* Prints License input
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*/
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public function license_callback()
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{
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// TODO: Maybe make this more elegant?
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$options = '';
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// Create options list, select current license
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//
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foreach ( LBRY()->licenses as $value => $name ) {
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$selected = $this->options[LBRY_LICENSE] === $value;
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$options .= '<option value="' . $value . '"';
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if ( $selected ) {
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$options .= ' selected';
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}
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$options .= '>'. $name . '</option>';
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}
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printf(
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'<select id="'.esc_attr('%1$s').'" name="'. esc_attr('%2$s[%1$s]') .'">' . esc_html('%3$s') . '</select>',
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LBRY_LICENSE,
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LBRY_SETTINGS,
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$options
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);
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}
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/**
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* Prints LBC per publish input
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*/
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public function lbc_per_publish_callback()
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{
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printf(
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'<input type="number" id="' . esc_attr('%1$s') . '" name="' . esc_attr('%2$s[%1$s]') . '" value="' . esc_attr('%3$.3f') . '" min="0.001" step="0.001"><p>Current minimum bid <img src="' . esc_attr('%4$s ') . '" class="icon icon-lbc bid-icon-lbc"> 0.001</p>',
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LBRY_LBC_PUBLISH,
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LBRY_SETTINGS,
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$this->options[LBRY_LBC_PUBLISH],
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plugin_dir_url( LBRY_PLUGIN_FILE ) . 'admin/images/lbc.png'
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);
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}
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/**
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* Channels Page
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* Channels page uses admin.php so we are able to use the admin-post action instead of options.php
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*/
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/**
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* Prints Spee.ch input
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*/
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public function speech_callback()
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{
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$options = get_option( LBRY_SPEECH_SETTINGS );
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printf(
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'<input type="text" id="' . esc_attr('%1$s') . '" name="' . esc_attr('%2$s[%1$s]') . '" value="' . esc_attr('%3$s') . '" placeholder="https://your-speech-address.com">',
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LBRY_SPEECH,
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LBRY_SPEECH_SETTINGS,
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isset( $options[LBRY_SPEECH] ) ? $options[LBRY_SPEECH] : '',
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);
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}
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/**
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* Prints Spee.ch channel input
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*/
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public function speech_channel_callback()
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{
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$options = get_option( LBRY_SPEECH_SETTINGS );
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printf(
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'<input type="text" id="' . esc_attr('%1$s') . '" name="' . esc_attr('%2$s[%1$s]') . '" value="@' . esc_attr('%3$s') . '" placeholder="your-speech-channel">',
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LBRY_SPEECH_CHANNEL,
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LBRY_SPEECH_SETTINGS,
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isset( $options[LBRY_SPEECH_CHANNEL] ) ? $options[LBRY_SPEECH_CHANNEL] : '',
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);
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}
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/**
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* Prints Spee.ch password input
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*/
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public function speech_pw_callback()
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{
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printf(
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'<input type="password" id="' . esc_attr('%1$s') . '" name="' . esc_attr('%2$s[%1$s]') . '" placeholder="Leave empty for same password">',
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LBRY_SPEECH_PW,
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LBRY_SPEECH_SETTINGS,
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);
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}
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/**
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* Handles new channel form submission
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*/
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public function add_channel()
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{
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$redirect_url = admin_url( add_query_arg( array( 'page' => 'lbrypress', 'tab' => 'channels' ), 'options.php' ) );
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// Check that nonce
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if ( isset( $_POST['_lbrynonce'] ) && wp_verify_nonce( $_POST['_lbrynonce'], 'add_channel_nonce' ) ) {
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if ( empty( $_POST['lbry_new_channel'] ) || empty( $_POST['lbry_channel_bid_amount'] ) ) {
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LBRY()->notice->set_notice( 'error', 'Must supply both channel name and bid amount' );
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} elseif ( isset( $_POST['lbry_new_channel'] ) && isset( $_POST['lbry_channel_bid_amount'] ) ) {
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$channel = $_POST['lbry_new_channel']; // TODO: sanitize key() only allows for lowercase chars, dashes, and underscores. maybe remove to allow more characters? and use something else for better control?
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$channel = trim( $channel );
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$channel = str_replace( '@', '', $channel );
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$channel = str_replace( ' ', '-', $channel );
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$channel = str_replace( '_', '-', $channel );
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$channel_name = sanitize_user( $channel );
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$bid = $_POST['lbry_channel_bid_amount'];
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$channel_bid = number_format( floatval( $bid ), 3, '.', '' );
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// Try to add the new channel
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try {
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$result = LBRY()->daemon->channel_new( $channel_name, $channel_bid );
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// Tell the user it takes some time to go through
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LBRY()->notice->set_notice(
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'success', 'Successfully added a new channel: @' . esc_html( $channel_name ) . '! Please allow a few minutes for the bid to process.', true );
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} catch ( \Exception $e ) {
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LBRY()->notice->set_notice( 'error', $e->getMessage(), false );
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}
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}
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} else {
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LBRY()->notice->set_notice('error', 'Security check failed' );
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die( __( 'Security check failed', 'lbrypress' ) );
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}
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wp_safe_redirect( $redirect_url );
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exit();
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}
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/**
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* Checks at most once an hour to see if the wallet balance is too low
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*/
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// IDEA: Check user permissions possibly
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public static function wallet_balance_warning()
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{
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// See if we've checked in the past two hours
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if (!get_transient('lbry_wallet_check')) {
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$balance = LBRY()->daemon->wallet_balance();
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if ($balance < get_option(LBRY_SETTINGS)[LBRY_LBC_PUBLISH] * 20) {
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// If LBRY Balance is low, send email, but only once per day
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if (!get_transient('lbry_wallet_warning_email')) {
|
|
$email = get_option('admin_email');
|
|
$subject = 'Your LBRYPress Wallet Balance is Low!';
|
|
$message = "Your LBRY Wallet for your WordPress installation at " . site_url() . " is running very low.\r\n\r\nYou currently have " . $balance . ' LBC left in your wallet. In order to keep publishing to the LBRY network, please add some LBC to your account.';
|
|
wp_mail($email, $subject, $message);
|
|
set_transient('lbry_wallet_warning_email', true, DAY_IN_SECONDS);
|
|
}
|
|
}
|
|
set_transient('lbry_wallet_check', true, 2 * HOUR_IN_SECONDS);
|
|
}
|
|
}
|
|
|
|
private function encrypt($plaintext)
|
|
{
|
|
$ivlen = openssl_cipher_iv_length($cipher="AES-256-CTR");
|
|
$iv = openssl_random_pseudo_bytes($ivlen);
|
|
$ciphertext_raw = openssl_encrypt($plaintext, $cipher, wp_salt(), $options=OPENSSL_RAW_DATA, $iv);
|
|
$hmac = hash_hmac('sha256', $ciphertext_raw, wp_salt(), $as_binary=true);
|
|
return base64_encode($iv.$hmac.$ciphertext_raw);
|
|
}
|
|
|
|
private function decrypt($ciphertext)
|
|
{
|
|
$c = base64_decode($ciphertext);
|
|
$ivlen = openssl_cipher_iv_length($cipher="AES-256-CTR");
|
|
$iv = substr($c, 0, $ivlen);
|
|
$hmac = substr($c, $ivlen, $sha2len=32);
|
|
$ciphertext_raw = substr($c, $ivlen+$sha2len);
|
|
$original_plaintext = openssl_decrypt($ciphertext_raw, $cipher, wp_salt(), $options=OPENSSL_RAW_DATA, $iv);
|
|
$calcmac = hash_hmac('sha256', $ciphertext_raw, wp_salt(), $as_binary=true);
|
|
if (hash_equals($hmac, $calcmac)) {//PHP 5.6+ timing attack safe comparison
|
|
return $original_plaintext;
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
public function get_speech_pw()
|
|
{
|
|
$ciphertext = get_option(LBRY_SETTINGS)[LBRY_SPEECH_PW];
|
|
if (empty($ciphertext)) {
|
|
return false;
|
|
}
|
|
|
|
return $this->decrypt($ciphertext);
|
|
}
|
|
}
|