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|
<?php
/**
* Name: StatusNet Connector
* Version: 1.0
* Author: Tobias Diekershoff <https://diekershoff.homeunix.net/friendika/profile/tobias>
*/
/* StatusNet Plugin for Friendika
*
* Author: Tobias Diekershoff
* tobias.diekershoff@gmx.net
*
* License:3-clause BSD license (same as Friendika)
*
* Configuration:
* To activate the plugin itself add it to the $a->config['system']['addon']
* setting. After this, your user can configure their Twitter account settings
* from "Settings -> Plugin Settings".
*
* Requirements: PHP5, curl [Slinky library]
*
* Documentation: http://diekershoff.homeunix.net/redmine/wiki/friendikaplugin/StatusNet_Plugin
*/
/* __TODO__
*
* - what about multimedia content?
* so far we just strip HTML tags from the message
*/
/***
* We have to alter the TwitterOAuth class a little bit to work with any StatusNet
* installation abroad. Basically it's only make the API path variable and be happy.
*
* Thank you guys for the Twitter compatible API!
*/
require_once('library/twitteroauth.php');
class StatusNetOAuth extends TwitterOAuth {
function get_maxlength() {
$config = $this->get($this->host . 'statusnet/config.json');
return $config->site->textlimit;
}
function accessTokenURL() { return $this->host.'oauth/access_token'; }
function authenticateURL() { return $this->host.'oauth/authenticate'; }
function authorizeURL() { return $this->host.'oauth/authorize'; }
function requestTokenURL() { return $this->host.'oauth/request_token'; }
function __construct($apipath, $consumer_key, $consumer_secret, $oauth_token = NULL, $oauth_token_secret = NULL) {
parent::__construct($consumer_key, $consumer_secret, $oauth_token, $oauth_token_secret);
$this->host = $apipath;
}
}
function statusnet_install() {
// we need some hooks, for the configuration and for sending tweets
register_hook('plugin_settings', 'addon/statusnet/statusnet.php', 'statusnet_settings');
register_hook('plugin_settings_post', 'addon/statusnet/statusnet.php', 'statusnet_settings_post');
register_hook('post_local_end', 'addon/statusnet/statusnet.php', 'statusnet_post_hook');
register_hook('jot_networks', 'addon/statusnet/statusnet.php', 'statusnet_jot_nets');
logger("installed statusnet");
}
function statusnet_uninstall() {
unregister_hook('plugin_settings', 'addon/statusnet/statusnet.php', 'statusnet_settings');
unregister_hook('plugin_settings_post', 'addon/statusnet/statusnet.php', 'statusnet_settings_post');
unregister_hook('post_local_end', 'addon/statusnet/statusnet.php', 'statusnet_post_hook');
unregister_hook('jot_networks', 'addon/statusnet/statusnet.php', 'statusnet_jot_nets');
}
function statusnet_jot_nets(&$a,&$b) {
if(! local_user())
return;
$statusnet_post = get_pconfig(local_user(),'statusnet','post');
if(intval($statusnet_post) == 1) {
$statusnet_defpost = get_pconfig(local_user(),'statusnet','post_by_default');
$selected = ((intval($statusnet_defpost) == 1) ? ' checked="checked" ' : '');
$b .= '<div class="profile-jot-net"><input type="checkbox" name="statusnet_enable"' . $selected . 'value="1" /> '
. t('Post to StatusNet') . '</div>';
}
}
function statusnet_settings_post ($a,$post) {
if(! local_user())
return;
if (isset($_POST['statusnet-disconnect'])) {
/***
* if the statusnet-disconnect checkbox is set, clear the statusnet configuration
* TODO can we revoke the access tokens at Twitter and do we need to do so?
*/
del_pconfig( local_user(), 'statusnet', 'consumerkey' );
del_pconfig( local_user(), 'statusnet', 'consumersecret' );
del_pconfig( local_user(), 'statusnet', 'post' );
del_pconfig( local_user(), 'statusnet', 'post_by_default' );
del_pconfig( local_user(), 'statusnet', 'oauthtoken' );
del_pconfig( local_user(), 'statusnet', 'oauthsecret' );
del_pconfig( local_user(), 'statusnet', 'baseapi' );
} else {
if (isset($_POST['statusnet-preconf-apiurl'])) {
/***
* If the user used one of the preconfigured StatusNet server credentials
* use them. All the data are available in the global config.
* Check the API Url never the less and blame the admin if it's not working ^^
*/
$globalsn = get_config('statusnet', 'sites');
foreach ( $globalsn as $asn) {
if ($asn['apiurl'] == $_POST['statusnet-preconf-apiurl'] ) {
$apibase = $asn['apiurl'];
$c = fetch_url( $apibase . 'statusnet/version.xml' );
if (strlen($c) > 0) {
set_pconfig(local_user(), 'statusnet', 'consumerkey', $asn['consumerkey'] );
set_pconfig(local_user(), 'statusnet', 'consumersecret', $asn['consumersecret'] );
set_pconfig(local_user(), 'statusnet', 'baseapi', $asn['apiurl'] );
} else {
notice( t('Please contact your site administrator.<br />The provided API URL is not valid.').EOL.$asn['apiurl'].EOL );
}
}
}
goaway($a->get_baseurl().'/settings/addon');
} else {
if (isset($_POST['statusnet-consumersecret'])) {
// check if we can reach the API of the StatusNet server
// we'll check the API Version for that, if we don't get one we'll try to fix the path but will
// resign quickly after this one try to fix the path ;-)
$apibase = $_POST['statusnet-baseapi'];
$c = fetch_url( $apibase . 'statusnet/version.xml' );
if (strlen($c) > 0) {
// ok the API path is correct, let's save the settings
set_pconfig(local_user(), 'statusnet', 'consumerkey', $_POST['statusnet-consumerkey']);
set_pconfig(local_user(), 'statusnet', 'consumersecret', $_POST['statusnet-consumersecret']);
set_pconfig(local_user(), 'statusnet', 'baseapi', $apibase );
} else {
// the API path is not correct, maybe missing trailing / ?
$apibase = $apibase . '/';
$c = fetch_url( $apibase . 'statusnet/version.xml' );
if (strlen($c) > 0) {
// ok the API path is now correct, let's save the settings
set_pconfig(local_user(), 'statusnet', 'consumerkey', $_POST['statusnet-consumerkey']);
set_pconfig(local_user(), 'statusnet', 'consumersecret', $_POST['statusnet-consumersecret']);
set_pconfig(local_user(), 'statusnet', 'baseapi', $apibase );
} else {
// still not the correct API base, let's do noting
notice( t('We could not contact the StatusNet API with the Path you entered.').EOL );
}
}
goaway($a->get_baseurl().'/settings/addon');
} else {
if (isset($_POST['statusnet-pin'])) {
// if the user supplied us with a PIN from Twitter, let the magic of OAuth happen
logger('got a StatusNet security code');
$api = get_pconfig(local_user(), 'statusnet', 'baseapi');
$ckey = get_pconfig(local_user(), 'statusnet', 'consumerkey' );
$csecret = get_pconfig(local_user(), 'statusnet', 'consumersecret' );
// the token and secret for which the PIN was generated were hidden in the settings
// form as token and token2, we need a new connection to Twitter using these token
// and secret to request a Access Token with the PIN
$connection = new StatusNetOAuth($api, $ckey, $csecret, $_POST['statusnet-token'], $_POST['statusnet-token2']);
$token = $connection->getAccessToken( $_POST['statusnet-pin'] );
// ok, now that we have the Access Token, save them in the user config
set_pconfig(local_user(),'statusnet', 'oauthtoken', $token['oauth_token']);
set_pconfig(local_user(),'statusnet', 'oauthsecret', $token['oauth_token_secret']);
set_pconfig(local_user(),'statusnet', 'post', 1);
// reload the Addon Settings page, if we don't do it see Bug #42
goaway($a->get_baseurl().'/settings/addon');
} else {
// if no PIN is supplied in the POST variables, the user has changed the setting
// to post a tweet for every new __public__ posting to the wall
set_pconfig(local_user(),'statusnet','post',intval($_POST['statusnet-enable']));
set_pconfig(local_user(),'statusnet','post_by_default',intval($_POST['statusnet-default']));
info( t('StatusNet settings updated.') . EOL);
}}}}
}
function statusnet_settings(&$a,&$s) {
if(! local_user())
return;
$a->page['htmlhead'] .= '<link rel="stylesheet" type="text/css" href="' . $a->get_baseurl() . '/addon/statusnet/statusnet.css' . '" media="all" />' . "\r\n";
/***
* 1) Check that we have a base api url and a consumer key & secret
* 2) If no OAuthtoken & stuff is present, generate button to get some
* allow the user to cancel the connection process at this step
* 3) Checkbox for "Send public notices (respect size limitation)
*/
$api = get_pconfig(local_user(), 'statusnet', 'baseapi');
$ckey = get_pconfig(local_user(), 'statusnet', 'consumerkey' );
$csecret = get_pconfig(local_user(), 'statusnet', 'consumersecret' );
$otoken = get_pconfig(local_user(), 'statusnet', 'oauthtoken' );
$osecret = get_pconfig(local_user(), 'statusnet', 'oauthsecret' );
$enabled = get_pconfig(local_user(), 'statusnet', 'post');
$checked = (($enabled) ? ' checked="checked" ' : '');
$defenabled = get_pconfig(local_user(),'statusnet','post_by_default');
$defchecked = (($defenabled) ? ' checked="checked" ' : '');
$s .= '<div class="settings-block">';
$s .= '<h3>'. t('StatusNet Posting Settings').'</h3>';
if ( (!$ckey) && (!$csecret) ) {
/***
* no consumer keys
*/
$globalsn = get_config('statusnet', 'sites');
/***
* lets check if we have one or more globally configured StatusNet
* server OAuth credentials in the configuration. If so offer them
* with a little explanation to the user as choice - otherwise
* ignore this option entirely.
*/
if (! $globalsn == null) {
$s .= '<h4>' . t('Globally Available StatusNet OAuthKeys') . '</h4>';
$s .= '<p>'. t("There are preconfigured OAuth key pairs for some StatusNet servers available. If you are useing one of them, please use these credentials. If not feel free to connect to any other StatusNet instance \x28see below\x29.") .'</p>';
$s .= '<div id="statusnet-preconf-wrapper">';
foreach ($globalsn as $asn) {
$s .= '<input type="radio" name="statusnet-preconf-apiurl" value="'. $asn['apiurl'] .'">'. $asn['sitename'] .'<br />';
}
$s .= '<p></p><div class="clear"></div></div>';
$s .= '<div class="settings-submit-wrapper" ><input type="submit" name="submit" class="settings-submit" value="' . t('Submit') . '" /></div>';
}
$s .= '<h4>' . t('Provide your own OAuth Credentials') . '</h4>';
$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>';
$s .= '<div id="statusnet-consumer-wrapper">';
$s .= '<label id="statusnet-consumerkey-label" for="statusnet-consumerkey">'. t('OAuth Consumer Key') .'</label>';
$s .= '<input id="statusnet-consumerkey" type="text" name="statusnet-consumerkey" size="35" /><br />';
$s .= '<div class="clear"></div>';
$s .= '<label id="statusnet-consumersecret-label" for="statusnet-consumersecret">'. t('OAuth Consumer Secret') .'</label>';
$s .= '<input id="statusnet-consumersecret" type="text" name="statusnet-consumersecret" size="35" /><br />';
$s .= '<div class="clear"></div>';
$s .= '<label id="statusnet-baseapi-label" for="statusnet-baseapi">'. t("Base API Path \x28remember the trailing /\x29") .'</label>';
$s .= '<input id="statusnet-baseapi" type="text" name="statusnet-baseapi" size="35" /><br />';
$s .= '<p></p><div class="clear"></div></div>';
$s .= '<div class="settings-submit-wrapper" ><input type="submit" name="submit" class="settings-submit" value="' . t('Submit') . '" /></div>';
} else {
/***
* ok we have a consumer key pair now look into the OAuth stuff
*/
if ( (!$otoken) && (!$osecret) ) {
/***
* the user has not yet connected the account to statusnet
* get a temporary OAuth key/secret pair and display a button with
* which the user can request a PIN to connect the account to a
* account at statusnet
*/
$connection = new StatusNetOAuth($api, $ckey, $csecret);
$request_token = $connection->getRequestToken('oob');
$token = $request_token['oauth_token'];
/***
* make some nice form
*/
$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>';
$s .= '<a href="'.$connection->getAuthorizeURL($token,False).'" target="_statusnet"><img src="addon/statusnet/signinwithstatusnet.png" alt="'. t('Log in with StatusNet') .'"></a>';
$s .= '<div id="statusnet-pin-wrapper">';
$s .= '<label id="statusnet-pin-label" for="statusnet-pin">'. t('Copy the security code from StatusNet here') .'</label>';
$s .= '<input id="statusnet-pin" type="text" name="statusnet-pin" />';
$s .= '<input id="statusnet-token" type="hidden" name="statusnet-token" value="'.$token.'" />';
$s .= '<input id="statusnet-token2" type="hidden" name="statusnet-token2" value="'.$request_token['oauth_token_secret'].'" />';
$s .= '</div><div class="clear"></div>';
$s .= '<div class="settings-submit-wrapper" ><input type="submit" name="submit" class="settings-submit" value="' . t('Submit') . '" /></div>';
$s .= '<h4>'.t('Cancel Connection Process').'</h4>';
$s .= '<div id="statusnet-cancel-wrapper">';
$s .= '<p>'.t('Current StatusNet API is').': '.$api.'</p>';
$s .= '<label id="statusnet-cancel-label" for="statusnet-cancel">'. t('Cancel StatusNet Connection') . '</label>';
$s .= '<input id="statusnet-cancel" type="checkbox" name="statusnet-disconnect" value="1" />';
$s .= '</div><div class="clear"></div>';
$s .= '<div class="settings-submit-wrapper" ><input type="submit" name="submit" class="settings-submit" value="' . t('Submit') . '" /></div>';
} else {
/***
* we have an OAuth key / secret pair for the user
* so let's give a chance to disable the postings to statusnet
*/
$connection = new StatusNetOAuth($api,$ckey,$csecret,$otoken,$osecret);
$details = $connection->get('account/verify_credentials');
$s .= '<div id="statusnet-info" ><img id="statusnet-avatar" src="'.$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>';
$s .= '<p>'. t('If enabled all your <strong>public</strong> postings will be posted to the associated StatusNet account.') .'</p>';
$s .= '<div id="statusnet-enable-wrapper">';
$s .= '<label id="statusnet-enable-label" for="statusnet-checkbox">'. t('Allow posting to StatusNet') .'</label>';
$s .= '<input id="statusnet-checkbox" type="checkbox" name="statusnet-enable" value="1" ' . $checked . '/>';
$s .= '<div class="clear"></div>';
$s .= '<label id="statusnet-default-label" for="statusnet-default">'. t('Send public postings to StatusNet by default') .'</label>';
$s .= '<input id="statusnet-default" type="checkbox" name="statusnet-default" value="1" ' . $defchecked . '/>';
$s .= '</div><div class="clear"></div>';
$s .= '<div id="statusnet-disconnect-wrapper">';
$s .= '<label id="statusnet-disconnect-label" for="statusnet-disconnect">'. t('Clear OAuth configuration') .'</label>';
$s .= '<input id="statusnet-disconnect" type="checkbox" name="statusnet-disconnect" value="1" />';
$s .= '</div><div class="clear"></div>';
$s .= '<div class="settings-submit-wrapper" ><input type="submit" name="submit" class="settings-submit" value="' . t('Submit') . '" /></div>';
}
}
$s .= '</div><div class="clear"></div></div>';
}
function statusnet_post_hook(&$a,&$b) {
/**
* Post to statusnet
*/
logger('StatusNet post invoked');
if((local_user()) && (local_user() == $b['uid']) && (! $b['private']) && (!$b['parent']) ) {
load_pconfig(local_user(), 'statusnet');
$api = get_pconfig(local_user(), 'statusnet', 'baseapi');
$ckey = get_pconfig(local_user(), 'statusnet', 'consumerkey' );
$csecret = get_pconfig(local_user(), 'statusnet', 'consumersecret' );
$otoken = get_pconfig(local_user(), 'statusnet', 'oauthtoken' );
$osecret = get_pconfig(local_user(), 'statusnet', 'oauthsecret' );
if($ckey && $csecret && $otoken && $osecret) {
$statusnet_post = get_pconfig(local_user(),'statusnet','post');
$statusnet_enable = (($statusnet_post && x($_POST,'statusnet_enable')) ? intval($_POST['statusnet_enable']) : 0);
if($statusnet_enable && $statusnet_post) {
require_once('include/bbcode.php');
$dent = new StatusNetOAuth($api,$ckey,$csecret,$otoken,$osecret);
$max_char = $dent->get_maxlength(); // max. length for a dent
$msg = strip_tags(bbcode($b['body']));
if ( strlen($msg) > $max_char) {
$shortlink = "";
require_once('library/slinky.php');
// post url = base url + /display/ + owner + post id
// we construct this from the Owner link and replace
// profile by display - this will cause an error when
// /profile/ is in the owner url twice but I don't
// think this will be very common...
$posturl = str_replace('/profile/','/display/',$b['owner-link']).'/'.$b['id'];
$slinky = new Slinky( $posturl );
// setup a cascade of shortening services
// try to get a short link from these services
// in the order ur1.ca, trim, id.gd, tinyurl
$slinky->set_cascade( array( new Slinky_UR1ca(), new Slinky_Trim(), new Slinky_IsGd(), new Slinky_TinyURL() ) );
$shortlink = $slinky->short();
// the new message will be shortened such that "... $shortlink"
// will fit into the character limit
$msg = substr($msg, 0, $max_char-strlen($shortlink)-4);
$msg .= '... ' . $shortlink;
}
// and now tweet it :-)
if(strlen($msg))
$dent->post('statuses/update', array('status' => $msg));
}
}
}
}
|
