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<?php

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/**

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* Overrides the default CtfOauthConnect class to add support for Twitter V2 endpoints.

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namespace TwitterFeed\V2;

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// Don't load directly.

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if (! defined('ABSPATH')) {

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die('-1');

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}

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/**

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* CtfOAuthConnect class.

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class CtfOauthConnect extends \TwitterFeed\CtfOauthConnect {

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/**

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* Username.

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* @var string

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protected $username;

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/**

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* Get parameters.

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* @var string

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protected $get_params;

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/**

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* Set base URL.

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* @return void

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public function setUrlBase()

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{

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switch ($this->feed_type) {

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case 'userslookup':

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$this->base_url = 'https://api.twitter.com/2/users/by/username/:username';

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break;

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case 'tweets':

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$this->base_url = 'https://api.twitter.com/2/tweets';

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break;

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case 'accountlookup':

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$this->base_url = 'https://api.twitter.com/1.1/account/verify_credentials.json';

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break;

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case 'hometimeline':

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default:

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$this->base_url = 'https://api.twitter.com/2/users/:id/tweets';

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break;

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}

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}

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/**

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* Since the OAuth data is passed in an url, special characters need to be encoded

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protected function encodeHeader()

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{

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if ( ! CTF_DOING_SMASH_TWITTER && strpos($this->base_url, '/2/') !== false ) {

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$this->header = 'Authorization: Bearer ' . (new TwitterHelperApi($this->consumer_key, $this->consumer_secret))->getCachedTwitterAccessToken();;

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return;

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}

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$header = 'Authorization: OAuth ';

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$values = [];

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// Each element of the header needs to have its special characters encoded for

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// passing through a URL.

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foreach ($this->oauth as $key => $value) {

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if (

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in_array(

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$key,

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array(

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'oauth_consumer_key',

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'oauth_nonce',

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'oauth_signature',

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'oauth_signature_method',

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'oauth_timestamp',

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'oauth_token',

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'oauth_version',

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)

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)

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) {

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$values[] = "$key=\"" . rawurlencode($value) . "\"";

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}

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}

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$this->header = $header . implode(', ', $values);

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}

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/**

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* Retrieve username id.

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* @param string $username Username.

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* @return string

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public function retrieveUsernameId($username)

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{

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$cached_usernames_key = 'sb_ctf_cached_usernames';

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$cached_usernames = get_option($cached_usernames_key, []);

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if (! empty($cached_usernames[$username])) {

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return $cached_usernames[$username];

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}

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$connect = new CtfOauthConnect([

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'consumer_key' => $this->consumer_key,

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'consumer_secret' => $this->consumer_secret,

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'access_token' => $this->access_token,

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'access_token_secret' => $this->access_token_secret,

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], 'userslookup');

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$connect->setUrlBase();

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$connect->encodeHeader();

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$connect->setGetFields(['username' => $username]);

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$connect->performRequest();

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$user_data = json_decode($connect->json, ARRAY_A);

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if (isset($user_data['data']['id'])) {

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$username_id = $user_data['data']['id'];

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$cached_usernames[$username] = $username_id;

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update_option($cached_usernames_key, $cached_usernames);

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return $username_id;

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}

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return null;

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}

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/**

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* Perform request.

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* @return $this|mixed|string

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public function performRequest()

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{

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$url = $this->base_url . $this->get_fields;

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if ($this->feed_type === 'hometimeline') {

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$account_handle = get_option('ctf_options')['account_handle'];

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$url = str_replace(':id', $this->retrieveUsernameId($account_handle), $url);

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}

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if ($this->feed_type === 'usertimeline') {

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if (strpos($url, ':id') !== false) {

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$account_handle = $this->username;

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$url = str_replace(':id', $this->retrieveUsernameId($account_handle), $url);

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}

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}

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if ($this->feed_type === 'userslookup') {

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if (strpos($url, ':username') !== false) {

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$url = str_replace(':username', $this->username, $url);

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}

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}

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$this->buildOauth();

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$this->encodeHeader();

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$this->json = $this->wpHttpRequest($url);

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if (in_array($this->feed_type, [ 'usertimeline', 'hometimeline', 'search', 'hashtag' ], true)) {

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$this->json = $this->convertResponseToLegacy($this->json);

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}

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return $this;

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}

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/**

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* Check if error.

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* @param string $json Json.

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* @return bool

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public function checkIfError($json)

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{

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$json_array = json_decode($json, JSON_OBJECT_AS_ARRAY);

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if (isset($json_array['response']['code']) && ( $json_array['response']['code'] !== 200 )) {

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return true;

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}

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if (isset($json_array['errors'][0]['code']) && ( $json_array['errors'][0]['code'] !== 200 )) {

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return true;

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}

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return false;

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}

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/**

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* Encodes an array of GET field data into html characters for including in a URL

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* @param array $get_fields array of GET fields that are compatible with the Twitter API

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public function setGetFields(array $get_fields)

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{

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$joined_parameters = [];

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if ($this->feed_type !== 'userslookup') {

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$parameters = [

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'tweet.fields' => [

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'attachments',

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'author_id',

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'context_annotations',

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'conversation_id',

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'created_at',

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'entities',

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'geo',

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'id',

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'in_reply_to_user_id',

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'lang',

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'referenced_tweets',

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'reply_settings',

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'source',

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'text',

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'withheld',

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'public_metrics',

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'expansions' => [

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'author_id',

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'attachments.media_keys',

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'entities.mentions.username',

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'in_reply_to_user_id',

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'referenced_tweets.id',

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'referenced_tweets.id.author_id',

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'user.fields' => [

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'description',

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'entities',

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'public_metrics',

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'profile_image_url',

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'verified',

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'media.fields' => [

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'height',

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'media_key',

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'preview_image_url',

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'type',

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'url',

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'variants',

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'width',

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];

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foreach ($parameters as $parameter_index => $parameter_values) {

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$joined_parameters[] = $parameter_index . '=' . implode(',', $parameter_values);

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}

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}

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if (! empty($get_fields['screen_name'])) {

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$this->username = str_replace('@', '', $get_fields['screen_name']);

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}

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if (! empty($get_fields['username'])) {

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$this->username = str_replace('@', '', $get_fields['username']);

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}

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if (isset($get_fields['ids'])) {

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$joined_parameters[] = 'ids=' . rawurlencode(implode(',', $get_fields['ids']));

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}

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if (! empty($get_fields['q'])) {

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$query = $get_fields['q'];

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if (strpos($query, '-filter') !== false) {

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$query = substr($query, 0, strpos($query, '-filter'));

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}

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$joined_parameters[] = 'query=' . rawurlencode($query);

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}

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if (! empty($get_fields['max_id'])) {

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$joined_parameters[] = 'until_id=' . rawurlencode($get_fields['max_id']);

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}

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if (! empty($get_fields['count'])) {

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$joined_parameters[] = 'max_results=' . rawurlencode(min($get_fields['count'], 100));

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}

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$this->get_fields = '?' . implode('&', $joined_parameters);

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}

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/**

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* Convert response to legacy.

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* @param string $json Json.

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* @return false|string

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public function convertResponseToLegacy($json)

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{

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$json_array = json_decode($json, ARRAY_A);

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// Stop converting if it's an error.

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if (! isset($json_array['data'])) {

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return $json;

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}

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$referenced_tweets_ids = [];

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$data_array = $json_array['data'];

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foreach ($json_array['data'] as $tweet) {

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if (empty($tweet['referenced_tweets'])) {

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continue;

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}

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$referenced_tweets_ids = array_merge(

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$referenced_tweets_ids,

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array_column($tweet['referenced_tweets'], 'id')

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);

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}

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$unique_referenced_tweets_ids = array_unique($referenced_tweets_ids);

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$indexed_referenced_tweet_ids = [];

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$referenced_tweets_data = [];

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if (! empty($unique_referenced_tweets_ids)) {

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$connect = new CtfOauthConnect([

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'consumer_key' => $this->consumer_key,

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'consumer_secret' => $this->consumer_secret,

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'access_token' => $this->access_token,

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'access_token_secret' => $this->access_token_secret,

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], 'tweets');

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$connect->setUrlBase();

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$connect->setGetFields([ 'ids' => $unique_referenced_tweets_ids ]);

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$connect->performRequest();

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$referenced_tweets_data = json_decode($connect->json, ARRAY_A);

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if (

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!empty($referenced_tweets_data['includes']['media'])

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&& is_array($referenced_tweets_data['includes']['media'])

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) {

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$json_array['includes']['media'] = array_merge(

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!empty($json_array['includes']['media'])

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&& is_array($json_array['includes']['media'])

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? $json_array['includes']['media']

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: [],

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$referenced_tweets_data['includes']['media']

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);

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}

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if ( is_array($referenced_tweets_data['data']) ) {

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$indexed_referenced_tweet_ids = array_column($referenced_tweets_data['data'], 'id');

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}

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}

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$included_users = $json_array['includes']['users'];

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$included_users_ids = array_column($included_users, 'id');

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foreach ($data_array as $index => $tweet) {

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$mentioned_user_id = isset($tweet['entities']['mentions'][0]['id']) ? $tweet['entities']['mentions'][0]['id'] : null;

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$included_user_index = $mentioned_user_id ? array_search($mentioned_user_id, $included_users_ids) : null;

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$referenced_tweet_type = isset($tweet['referenced_tweets'][0]['type']) ? $tweet['referenced_tweets'][0]['type'] : null;

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$referenced_tweet_id = isset($tweet['referenced_tweets'][0]['id']) ? $tweet['referenced_tweets'][0]['id'] : null;

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$media_items = isset($json_array['includes']['media']) ? (new MediaAdapter($tweet, $json_array['includes']['media']))->convert() : [];

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if (in_array($referenced_tweet_type, [ 'retweeted', 'replied_to' ], true)) {

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$referenced_tweet_index = array_search($referenced_tweet_id, $indexed_referenced_tweet_ids);

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$retweet = $referenced_tweets_data['data'][ $referenced_tweet_index ];

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// The retweeted tweet media will override the retweet media. Users cannot attach custom media to retweet.

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$included_media = !empty($json_array['includes']['media']) && is_array($json_array['includes']['media'])

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? $json_array['includes']['media']

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: [];

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$media_items = (new MediaAdapter($retweet, $included_media))->convert();

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$data_array[ $index ]['retweeted_status']['id_str'] = $referenced_tweet_id;

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$data_array[ $index ]['retweeted_status']['text'] = $data_array[ $index ]['text'];

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$data_array[ $index ]['retweeted_status']['created_at'] = $data_array[ $index ]['created_at'];

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$data_array[ $index ]['retweeted_status']['extended_entities']['media'] = $media_items;

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$data_array[ $index ]['retweeted_status']['retweet_count'] = $retweet['public_metrics']['retweet_count'];

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$data_array[ $index ]['retweeted_status']['favorite_count'] = $retweet['public_metrics']['like_count'];

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if (is_int($included_user_index)) {

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$data_array[ $index ]['retweeted_status']['user'] = (new UserAdapter())->convert($json_array['includes']['users'][ $included_user_index ]);

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}

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} elseif ($referenced_tweet_type === 'quoted') {

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$referenced_tweet_index = array_search($referenced_tweet_id, $indexed_referenced_tweet_ids);

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$retweet = $referenced_tweets_data['data'][ $referenced_tweet_index ];

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$included_media = !empty($json_array['includes']['media']) && is_array($json_array['includes']['media'])

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? $json_array['includes']['media']

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: [];

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$media_items = ! empty($media_items)

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? $media_items

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: ( new MediaAdapter($retweet, $included_media) )->convert();

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$retweet_author_index = array_search($retweet['author_id'], array_column($referenced_tweets_data['includes']['users'], 'id'));

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$retweet_author_user = $referenced_tweets_data['includes']['users'][ $retweet_author_index ];

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$author_index = array_search($retweet['author_id'], array_column($json_array['includes']['users'], 'id'));

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$author_user = $json_array['includes']['users'][ $author_index ];

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$data_array[ $index ]['quoted_status'] = [

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'id_str' => $referenced_tweet_id,

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'created_at' => $tweet['created_at'],

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'text' => $retweet['text'],

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'extended_entities' => [

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'media' => $media_items,

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];

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if ($author_index !== false && $retweet_author_index !== false) {

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$data_array[ $index ]['quoted_status']['user'] = (new UserAdapter())->convert(

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array_merge(

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$author_user,

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$retweet_author_user

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)

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);

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}

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$data_array[ $index ]['retweet_count'] = $retweet['public_metrics']['retweet_count'];

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$data_array[ $index ]['favorite_count'] = $retweet['public_metrics']['like_count'];

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} else {

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$data_array[ $index ]['extended_entities']['media'] = $media_items;

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}

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$data_array[ $index ]['retweet_count'] = $data_array[ $index ]['public_metrics']['retweet_count'];

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$data_array[ $index ]['favorite_count'] = $data_array[ $index ]['public_metrics']['like_count'];

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$author_id = $tweet['author_id'];

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$user_index = array_search($author_id, $included_users_ids);

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if (is_int($user_index)) {

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$data_array[ $index ]['user'] = ( new UserAdapter() )->convert( $included_users[ $user_index ] );

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}

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$data_array[ $index ] = (new TweetAdapter())->convert($data_array[$index]);

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}

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$json_array['data'] = $data_array;

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return wp_json_encode($json_array);

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}

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}

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