here.'
);
}
static $awin_access_token = null;
if ( null === $awin_access_token ) {
$config = get_option( 'dfrapi_configuration', [] );
$awin_access_token = ( isset( $config['awin_access_token'] ) && ! empty( $config['awin_access_token'] ) ) ?
trim( $config['awin_access_token'] ) :
new WP_Error(
'awin_access_token_missing',
'Please enter your Awin API Token here.'
);
}
if ( is_wp_error( $awin_access_token ) ) {
return $awin_access_token;
}
$cache_key = 'dfrapi_awin_joined_' . $affiliate_id;
$cooldown_key = 'dfrapi_awin_429_' . $affiliate_id;
$approved_program_ids = get_transient( $cache_key );
// Awin's Publisher API is rate-limited to 20 requests per minute per user.
// This filter runs on every merchants-page load, so we only call Awin when
// we have no cached program list AND we're not in a 429 cool-down window.
// Without this, each reload re-calls Awin and keeps the rate limit tripped.
if ( false === $approved_program_ids ) {
if ( false !== get_transient( $cooldown_key ) ) {
return new WP_Error(
'awin_rate_limited',
esc_html( $network['name'] ) . ': Awin is temporarily rate-limiting API requests (max 20 per minute). Please wait a minute or two, then reload this page.'
);
}
$url = sprintf(
'https://api.awin.com/publishers/%1$s/programmes?relationship=joined',
rawurlencode( $affiliate_id )
);
// Send the token in a header so it isn't written to proxy and server access logs.
$response = wp_remote_get( $url, [
'timeout' => 15,
'headers' => [ 'Authorization' => 'Bearer ' . $awin_access_token ],
] );
$code = (int) wp_remote_retrieve_response_code( $response );
if ( ! is_wp_error( $response ) && 200 === $code ) {
$programs = json_decode( wp_remote_retrieve_body( $response ), true );
if ( is_array( $programs ) ) {
$approved_program_ids = wp_list_pluck( $programs, 'id' );
set_transient( $cache_key, $approved_program_ids, 12 * HOUR_IN_SECONDS );
dfrapi_update_transient_whitelist( $cache_key );
}
} elseif ( 429 === $code ) {
// Back off so repeated page loads stop hammering Awin and keeping
// the limit tripped. Honor Retry-After if Awin sends it.
$retry_after = absint( wp_remote_retrieve_header( $response, 'retry-after' ) );
set_transient( $cooldown_key, 1, max( 120, $retry_after ) );
dfrapi_update_transient_whitelist( $cooldown_key );
return new WP_Error(
'awin_rate_limited',
esc_html( $network['name'] ) . ': Awin is temporarily rate-limiting API requests (max 20 per minute). Please wait a minute or two, then reload this page.'
);
}
}
if ( false === $approved_program_ids ) {
return new WP_Error(
'unable_to_retrieve_approved_awin_program_ids',
'Unable to get your list of joined ' . esc_html( $network['name'] ) . ' programs. Please ensure your Awin Access Token is correct here and your affiliate ID is correct here.' );
}
foreach ( $merchants as $key => $merchant ) {
$approved = false;
$suids = isset( $merchant['suids'] ) ? explode( ',', $merchant['suids'] ) : [];
foreach ( $suids as $suid ) {
if ( in_array( $suid, $approved_program_ids ) ) {
$approved = true;
}
}
if ( ! $approved ) {
unset( $merchants[ $key ] );
}
}
return $merchants;
}
add_filter( 'dfrapi_list_merchants', 'dfrapi_remove_unapproved_awin_merchants', 10, 2 );
/**
* @param array $merchants
* @param array $network
*
* @return array|WP_Error|null
* @since 1.0.102
*/
function dfrapi_disable_affiliate_gateway_merchant_selection_when_sid_empty( $merchants, $network ) {
// Return if not in The Affiliate Gateway network.
if ( 10033 != $network['group_id'] ) {
return $merchants;
}
$sid = dfrapi_get_affiliate_gateway_sid();
if ( is_wp_error( $sid ) ) {
return $sid;
}
return $merchants;
}
add_filter( 'dfrapi_list_merchants', 'dfrapi_disable_affiliate_gateway_merchant_selection_when_sid_empty', 10, 2 );
/**
* @param array $merchants
* @param array $network
*
* @return array|WP_Error|null
* @since 1.0.124
*/
function dfrapi_disable_belboon_merchant_selection_when_aid_empty( $merchants, $network ) {
// Return if not in Belboon network.
if ( 10007 != $network['group_id'] ) {
return $merchants;
}
$aid = dfrapi_get_belboon_adspace_id();
if ( is_wp_error( $aid ) ) {
return $aid;
}
return $merchants;
}
add_filter( 'dfrapi_list_merchants', 'dfrapi_disable_belboon_merchant_selection_when_aid_empty', 10, 2 );