246 lines
13 KiB
PHP
246 lines
13 KiB
PHP
<?php
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/* StatusNet Plugin for Friendika
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*
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* Author: Tobias Diekershoff
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* tobias.diekershoff@gmx.net
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*
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* License:3-clause BSD license (same as Friendika)
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*
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* Configuration:
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* To activate the plugin itself add it to the $a->config['system']['addon']
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* setting. After this, your user can configure their Twitter account settings
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* from "Settings -> Plugin Settings".
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*
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* Requirements: PHP5, curl [Slinky library]
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*
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* Documentation: http://diekershoff.homeunix.net/redmine/wiki/friendikaplugin/StatusNet_Plugin
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*/
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/* __TODO__
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*
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* - what about multimedia content?
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* so far we just strip HTML tags from the message
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*/
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/***
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* We have to alter the TwitterOAuth class a little bit to work with any StatusNet
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* installation abroad. Basically it's only make the API path variable and be happy.
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*
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* Thank you guys for the Twitter compatible API!
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*/
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require_once('library/twitteroauth.php');
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class StatusNetOAuth extends TwitterOAuth {
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function get_maxlength() {
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$config = $this->get($this->host . 'statusnet/config.json');
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return $config->site->textlimit;
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}
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function accessTokenURL() { return $this->host.'oauth/access_token'; }
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function authenticateURL() { return $this->host.'oauth/authenticate'; }
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function authorizeURL() { return $this->host.'oauth/authorize'; }
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function requestTokenURL() { return $this->host.'oauth/request_token'; }
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function __construct($apipath, $consumer_key, $consumer_secret, $oauth_token = NULL, $oauth_token_secret = NULL) {
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parent::__construct($consumer_key, $consumer_secret, $oauth_token, $oauth_token_secret);
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$this->host = $apipath;
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}
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}
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function statusnet_install() {
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// we need some hooks, for the configuration and for sending tweets
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register_hook('plugin_settings', 'addon/statusnet/statusnet.php', 'statusnet_settings');
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register_hook('plugin_settings_post', 'addon/statusnet/statusnet.php', 'statusnet_settings_post');
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register_hook('post_local_end', 'addon/statusnet/statusnet.php', 'statusnet_post_hook');
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logger("installed statusnet");
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}
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function statusnet_uninstall() {
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unregister_hook('plugin_settings', 'addon/statusnet/statusnet.php', 'statusnet_settings');
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unregister_hook('plugin_settings_post', 'addon/statusnet/statusnet.php', 'statusnet_settings_post');
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unregister_hook('post_local_end', 'addon/statusnet/statusnet.php', 'statusnet_post_hook');
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}
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function statusnet_settings_post ($a,$post) {
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if(! local_user())
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return;
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if (isset($_POST['statusnet-disconnect'])) {
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/***
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* if the statusnet-disconnect checkbox is set, clear the statusnet configuration
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* TODO can we revoke the access tokens at Twitter and do we need to do so?
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*/
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del_pconfig( local_user(), 'statusnet', 'consumerkey' );
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del_pconfig( local_user(), 'statusnet', 'consumersecret' );
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del_pconfig( local_user(), 'statusnet', 'post' );
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del_pconfig( local_user(), 'statusnet', 'oauthtoken' );
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del_pconfig( local_user(), 'statusnet', 'oauthsecret' );
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del_pconfig( local_user(), 'statusnet', 'baseapi' );
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} else {
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if (isset($_POST['statusnet-consumersecret'])) {
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set_pconfig(local_user(), 'statusnet', 'consumerkey', $_POST['statusnet-consumerkey']);
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set_pconfig(local_user(), 'statusnet', 'consumersecret', $_POST['statusnet-consumersecret']);
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set_pconfig(local_user(), 'statusnet', 'baseapi', $_POST['statusnet-baseapi']);
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header('Location: '.$a->get_baseurl().'/settings/addon');
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} else {
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if (isset($_POST['statusnet-pin'])) {
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// if the user supplied us with a PIN from Twitter, let the magic of OAuth happen
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logger('got a StatusNet security code');
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$api = get_pconfig(local_user(), 'statusnet', 'baseapi');
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$ckey = get_pconfig(local_user(), 'statusnet', 'consumerkey' );
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$csecret = get_pconfig(local_user(), 'statusnet', 'consumersecret' );
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// the token and secret for which the PIN was generated were hidden in the settings
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// form as token and token2, we need a new connection to Twitter using these token
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// and secret to request a Access Token with the PIN
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$connection = new StatusNetOAuth($api, $ckey, $csecret, $_POST['statusnet-token'], $_POST['statusnet-token2']);
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$token = $connection->getAccessToken( $_POST['statusnet-pin'] );
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// ok, now that we have the Access Token, save them in the user config
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set_pconfig(local_user(),'statusnet', 'oauthtoken', $token['oauth_token']);
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set_pconfig(local_user(),'statusnet', 'oauthsecret', $token['oauth_token_secret']);
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set_pconfig(local_user(),'statusnet', 'post', 1);
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// reload the Addon Settings page, if we don't do it see Bug #42
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header('Location: '.$a->get_baseurl().'/settings/addon');
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} else {
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// if no PIN is supplied in the POST variables, the user has changed the setting
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// to post a tweet for every new __public__ posting to the wall
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set_pconfig(local_user(),'statusnet','post',intval($_POST['statusnet-enable']));
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}}}
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}
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function statusnet_settings(&$a,&$s) {
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if(! local_user())
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return;
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$a->page['htmlhead'] .= '<link rel="stylesheet" type="text/css" href="' . $a->get_baseurl() . '/addon/statusnet/statusnet.css' . '" media="all" />' . "\r\n";
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/***
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* 1) Check that we have a base api url and a consumer key & secret
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* 2) If no OAuthtoken & stuff is present, generate button to get some
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* 3) Checkbox for "Send public notices (respect size limitation)
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*/
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$api = get_pconfig(local_user(), 'statusnet', 'baseapi');
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$ckey = get_pconfig(local_user(), 'statusnet', 'consumerkey' );
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$csecret = get_pconfig(local_user(), 'statusnet', 'consumersecret' );
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$otoken = get_pconfig(local_user(), 'statusnet', 'oauthtoken' );
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$osecret = get_pconfig(local_user(), 'statusnet', 'oauthsecret' );
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$enabled = get_pconfig(local_user(), 'statusnet', 'post');
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$checked = (($enabled) ? ' checked="checked" ' : '');
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$s .= '<h3>'.t('StatusNet Posting Settings').'</h3>';
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if ( (!$ckey) && (!$csecret) ) {
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/***
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* no consumer keys
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*/
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$s .= '<p>'. t('No consumer key pair for StatusNet found. Register your Friendika Account as an desktop client on your StatusNet account, copy the consumer key pair here and enter the API base root.<br />Before you register your own OAuth key pair ask the administrator if there is already a key pair for this Friendika installation at your favorited StatusNet installation.') .'</p>';
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$s .= '<div id="statusnet-consumer-wrapper">';
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$s .= '<label id="statusnet-consumerkey-label" for="statusnet-consumerkey">'. t('OAuth Consumer Key') .'</label>';
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$s .= '<input id="statusnet-consumerkey" type="text" name="statusnet-consumerkey" size="35" /><br />';
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$s .= '<label id="statusnet-consumersecret-label" for="statusnet-consumersecret">'. t('OAuth Consumer Secret') .'</label>';
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$s .= '<input id="statusnet-consumersecret" type="text" name="statusnet-consumersecret" size="35" /><br />';
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$s .= '<label id="statusnet-baseapi-label" for="statusnet-baseapi">'. t("Base API Path \x28remember the trailing /\x29") .'</label>';
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$s .= '<input id="statusnet-baseapi" type="text" name="statusnet-baseapi" size="35" /><br />';
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$s .= '</div><div class="clear"></div>';
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$s .= '<div class="settings-submit-wrapper" ><input type="submit" name="submit" class="settings-submit" value="' . t('Submit') . '" /></div>';
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} else {
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/***
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* ok we have a consumer key pair now look into the OAuth stuff
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*/
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if ( (!$otoken) && (!$osecret) ) {
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/***
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* the user has not yet connected the account to statusnet
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* get a temporary OAuth key/secret pair and display a button with
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* which the user can request a PIN to connect the account to a
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* account at statusnet
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*/
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$connection = new StatusNetOAuth($api, $ckey, $csecret);
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$request_token = $connection->getRequestToken('oob');
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$token = $request_token['oauth_token'];
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/***
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* make some nice form
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*/
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$s .= '<p>'. t('To connect to your StatusNet account click the button below to get a security code from StatusNet which you have to copy into the input box below and submit the form. Only your <strong>public</strong> posts will be posted to StatusNet.') .'</p>';
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$s .= '<a href="'.$connection->getAuthorizeURL($token,False).'" target="_statusnet"><img src="addon/statusnet/signinwithstatusnet.png" alt="'. t('Log in with StatusNet') .'"></a>';
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$s .= '<div id="statusnet-pin-wrapper">';
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$s .= '<label id="statusnet-pin-label" for="statusnet-pin">'. t('Copy the security code from StatusNet here') .'</label>';
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$s .= '<input id="statusnet-pin" type="text" name="statusnet-pin" />';
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$s .= '<input id="statusnet-token" type="hidden" name="statusnet-token" value="'.$token.'" />';
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$s .= '<input id="statusnet-token2" type="hidden" name="statusnet-token2" value="'.$request_token['oauth_token_secret'].'" />';
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$s .= '</div><div class="clear"></div>';
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$s .= '<div class="settings-submit-wrapper" ><input type="submit" name="submit" class="settings-submit" value="' . t('Submit') . '" /></div>';
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} else {
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/***
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* we have an OAuth key / secret pair for the user
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* so let's give a chance to disable the postings to statusnet
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*/
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$connection = new StatusNetOAuth($api,$ckey,$csecret,$otoken,$osecret);
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$details = $connection->get('account/verify_credentials');
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$s .= '<div id="statusnet-info" ><img id="statusnet-avatar" src="'.$details->profile_image_url.'" /><p id="statusnet-info-block">'. t('Currently connected to: ') .'<a href="'.$details->statusnet_profile_url.'" target="_statusnet">'.$details->screen_name.'</a><br /><em>'.$details->description.'</em></p></div>';
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$s .= '<p>'. t('If enabled all your <strong>public</strong> postings will be posted to the associated StatusNet account as well.') .'</p>';
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$s .= '<div id="statusnet-enable-wrapper">';
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$s .= '<label id="statusnet-enable-label" for="statusnet-checkbox">'. t('Send public postings to StatusNet') .'</label>';
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$s .= '<input id="statusnet-checkbox" type="checkbox" name="statusnet-enable" value="1" ' . $checked . '/>';
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$s .= '</div><div class="clear"></div>';
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$s .= '<div id="statusnet-disconnect-wrapper">';
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$s .= '<label id="statusnet-disconnect-label" for="statusnet-disconnect">'. t('Clear OAuth configuration') .'</label>';
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$s .= '<input id="statusnet-disconnect" type="checkbox" name="statusnet-disconnect" value="1" />';
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$s .= '</div><div class="clear"></div>';
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$s .= '<div class="settings-submit-wrapper" ><input type="submit" name="submit" class="settings-submit" value="' . t('Submit') . '" /></div>';
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}
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}
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$s .= '</div><div class="clear"></div>';
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}
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function statusnet_post_hook(&$a,&$b) {
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/**
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* Post to statusnet
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*/
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logger('StatusNet post invoked');
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if((local_user()) && (local_user() == $b['uid']) && (! $b['private']) && (!$b['parent']) ) {
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load_pconfig(local_user(), 'statusnet');
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$api = get_pconfig(local_user(), 'statusnet', 'baseapi');
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$ckey = get_pconfig(local_user(), 'statusnet', 'consumerkey' );
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$csecret = get_pconfig(local_user(), 'statusnet', 'consumersecret' );
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$otoken = get_pconfig(local_user(), 'statusnet', 'oauthtoken' );
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$osecret = get_pconfig(local_user(), 'statusnet', 'oauthsecret' );
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if($ckey && $csecret && $otoken && $osecret) {
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$statusnet_post = get_pconfig(local_user(),'statusnet','post');
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if($statusnet_post) {
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require_once('include/bbcode.php');
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$dent = new StatusNetOAuth($api,$ckey,$csecret,$otoken,$osecret);
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$max_char = $dent->get_maxlength(); // max. length for a dent
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$msg = strip_tags(bbcode($b['body']));
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if ( strlen($msg) > $max_char) {
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$shortlink = "";
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require_once('library/slinky.php');
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// post url = base url + /display/ + owner + post id
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// we construct this from the Owner link and replace
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// profile by display - this will cause an error when
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// /profile/ is in the owner url twice but I don't
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// think this will be very common...
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$posturl = str_replace('/profile/','/display/',$b['owner-link']).'/'.$b['id'];
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$slinky = new Slinky( $posturl );
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// setup a cascade of shortening services
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// try to get a short link from these services
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// in the order ur1.ca, trim, id.gd, tinyurl
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$slinky->set_cascade( array( new Slinky_UR1ca(), new Slinky_Trim(), new Slinky_IsGd(), new Slinky_TinyURL() ) );
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$shortlink = $slinky->short();
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// the new message will be shortened such that "... $shortlink"
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// will fit into the character limit
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$msg = substr($msg, 0, $max_char-strlen($shortlink)-4);
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$msg .= '... ' . $shortlink;
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}
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// and now tweet it :-)
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if(strlen($msg))
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$dent->post('statuses/update', array('status' => $msg));
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}
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}
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}
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}
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