statusnet/statusnet.php

   1 <?php
   2 /**
   3  * Name: StatusNet Connector
   4  * Description: Relay public postings to a connected StatusNet account
   5  * Version: 1.0.5
   6  * Author: Tobias Diekershoff <https://f.diekershoff.de/profile/tobias>
   7  * Author: Michael Vogel <https://pirati.ca/profile/heluecht>
   8  *
   9  * Copyright (c) 2011-2013 Tobias Diekershoff, Michael Vogel
  10  * All rights reserved.
  11  *
  12  * Redistribution and use in source and binary forms, with or without
  13  * modification, are permitted provided that the following conditions are met:
  14  *    * Redistributions of source code must retain the above copyright notice,
  15  *     this list of conditions and the following disclaimer.
  16  *    * Redistributions in binary form must reproduce the above
  17  *    * copyright notice, this list of conditions and the following disclaimer in
  18  *      the documentation and/or other materials provided with the distribution.
  19  *    * Neither the name of the <organization> nor the names of its contributors
  20  *      may be used to endorse or promote products derived from this software
  21  *      without specific prior written permission.
  22  *
  23  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
  24  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
  25  * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
  26  * DISCLAIMED. IN NO EVENT SHALL <COPYRIGHT HOLDER> BE LIABLE FOR ANY DIRECT,
  27  * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
  28  * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  29  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
  30  * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
  31  * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
  32  * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  33  *
  34  */
  35
  36
  37 /***
  38  * We have to alter the TwitterOAuth class a little bit to work with any StatusNet
  39  * installation abroad. Basically it's only make the API path variable and be happy.
  40  *
  41  * Thank you guys for the Twitter compatible API!
  42  */
  43
  44 define('STATUSNET_DEFAULT_POLL_INTERVAL', 5); // given in minutes
  45
  46 require_once('library/twitteroauth.php');
  47
  48 class StatusNetOAuth extends TwitterOAuth {
  49     function get_maxlength() {
  50         $config = $this->get($this->host . 'statusnet/config.json');
  51         return $config->site->textlimit;
  52     }
  53     function accessTokenURL()  { return $this->host.'oauth/access_token'; }
  54     function authenticateURL() { return $this->host.'oauth/authenticate'; }
  55     function authorizeURL() { return $this->host.'oauth/authorize'; }
  56     function requestTokenURL() { return $this->host.'oauth/request_token'; }
  57     function __construct($apipath, $consumer_key, $consumer_secret, $oauth_token = NULL, $oauth_token_secret = NULL) {
  58         parent::__construct($consumer_key, $consumer_secret, $oauth_token, $oauth_token_secret);
  59         $this->host = $apipath;
  60     }
  61   /**
  62    * Make an HTTP request
  63    *
  64    * @return API results
  65    *
  66    * Copied here from the twitteroauth library and complemented by applying the proxy settings of friendica
  67    */
  68   function http($url, $method, $postfields = NULL) {
  69     $this->http_info = array();
  70     $ci = curl_init();
  71     /* Curl settings */
  72     $prx = get_config('system','proxy');
  73     if(strlen($prx)) {
  74         curl_setopt($ci, CURLOPT_HTTPPROXYTUNNEL, 1);
  75         curl_setopt($ci, CURLOPT_PROXY, $prx);
  76         $prxusr = get_config('system','proxyuser');
  77         if(strlen($prxusr))
  78             curl_setopt($ci, CURLOPT_PROXYUSERPWD, $prxusr);
  79     }
  80     curl_setopt($ci, CURLOPT_USERAGENT, $this->useragent);
  81     curl_setopt($ci, CURLOPT_CONNECTTIMEOUT, $this->connecttimeout);
  82     curl_setopt($ci, CURLOPT_TIMEOUT, $this->timeout);
  83     curl_setopt($ci, CURLOPT_RETURNTRANSFER, TRUE);
  84     curl_setopt($ci, CURLOPT_HTTPHEADER, array('Expect:'));
  85     curl_setopt($ci, CURLOPT_SSL_VERIFYPEER, $this->ssl_verifypeer);
  86     curl_setopt($ci, CURLOPT_HEADERFUNCTION, array($this, 'getHeader'));
  87     curl_setopt($ci, CURLOPT_HEADER, FALSE);
  88
  89     switch ($method) {
  90       case 'POST':
  91         curl_setopt($ci, CURLOPT_POST, TRUE);
  92         if (!empty($postfields)) {
  93           curl_setopt($ci, CURLOPT_POSTFIELDS, $postfields);
  94         }
  95         break;
  96       case 'DELETE':
  97         curl_setopt($ci, CURLOPT_CUSTOMREQUEST, 'DELETE');
  98         if (!empty($postfields)) {
  99           $url = "{$url}?{$postfields}";
 100         }
 101     }
 102
 103     curl_setopt($ci, CURLOPT_URL, $url);
 104     $response = curl_exec($ci);
 105     $this->http_code = curl_getinfo($ci, CURLINFO_HTTP_CODE);
 106     $this->http_info = array_merge($this->http_info, curl_getinfo($ci));
 107     $this->url = $url;
 108     curl_close ($ci);
 109     return $response;
 110   }
 111 }
 112
 113 function statusnet_install() {
 114         //  we need some hooks, for the configuration and for sending tweets
 115         register_hook('connector_settings', 'addon/statusnet/statusnet.php', 'statusnet_settings');
 116         register_hook('connector_settings_post', 'addon/statusnet/statusnet.php', 'statusnet_settings_post');
 117         register_hook('notifier_normal', 'addon/statusnet/statusnet.php', 'statusnet_post_hook');
 118         register_hook('post_local', 'addon/statusnet/statusnet.php', 'statusnet_post_local');
 119         register_hook('jot_networks',    'addon/statusnet/statusnet.php', 'statusnet_jot_nets');
 120         register_hook('cron', 'addon/statusnet/statusnet.php', 'statusnet_cron');
 121         logger("installed statusnet");
 122 }
 123
 124
 125 function statusnet_uninstall() {
 126         unregister_hook('connector_settings', 'addon/statusnet/statusnet.php', 'statusnet_settings');
 127         unregister_hook('connector_settings_post', 'addon/statusnet/statusnet.php', 'statusnet_settings_post');
 128         unregister_hook('notifier_normal', 'addon/statusnet/statusnet.php', 'statusnet_post_hook');
 129         unregister_hook('post_local', 'addon/statusnet/statusnet.php', 'statusnet_post_local');
 130         unregister_hook('jot_networks',    'addon/statusnet/statusnet.php', 'statusnet_jot_nets');
 131         unregister_hook('cron', 'addon/statusnet/statusnet.php', 'statusnet_cron');
 132
 133         // old setting - remove only
 134         unregister_hook('post_local_end', 'addon/statusnet/statusnet.php', 'statusnet_post_hook');
 135         unregister_hook('plugin_settings', 'addon/statusnet/statusnet.php', 'statusnet_settings');
 136         unregister_hook('plugin_settings_post', 'addon/statusnet/statusnet.php', 'statusnet_settings_post');
 137
 138 }
 139
 140 function statusnet_jot_nets(&$a,&$b) {
 141         if(! local_user())
 142                 return;
 143
 144         $statusnet_post = get_pconfig(local_user(),'statusnet','post');
 145         if(intval($statusnet_post) == 1) {
 146                 $statusnet_defpost = get_pconfig(local_user(),'statusnet','post_by_default');
 147                 $selected = ((intval($statusnet_defpost) == 1) ? ' checked="checked" ' : '');
 148                 $b .= '<div class="profile-jot-net"><input type="checkbox" name="statusnet_enable"' . $selected . ' value="1" /> '
 149                         . t('Post to StatusNet') . '</div>';
 150         }
 151 }
 152
 153 function statusnet_settings_post ($a,$post) {
 154         if(! local_user())
 155                 return;
 156         // don't check statusnet settings if statusnet submit button is not clicked
 157         if (!x($_POST,'statusnet-submit'))
 158                 return;
 159
 160         if (isset($_POST['statusnet-disconnect'])) {
 161                 /***
 162                  * if the statusnet-disconnect checkbox is set, clear the statusnet configuration
 163                  */
 164                 del_pconfig(local_user(), 'statusnet', 'consumerkey');
 165                 del_pconfig(local_user(), 'statusnet', 'consumersecret');
 166                 del_pconfig(local_user(), 'statusnet', 'post');
 167                 del_pconfig(local_user(), 'statusnet', 'post_by_default');
 168                 del_pconfig(local_user(), 'statusnet', 'oauthtoken');
 169                 del_pconfig(local_user(), 'statusnet', 'oauthsecret');
 170                 del_pconfig(local_user(), 'statusnet', 'baseapi');
 171                 del_pconfig(local_user(), 'statusnet', 'post_taglinks');
 172                 del_pconfig(local_user(), 'statusnet', 'lastid');
 173                 del_pconfig(local_user(), 'statusnet', 'mirror_posts');
 174                 del_pconfig(local_user(), 'statusnet', 'intelligent_shortening');
 175                 del_pconfig(local_user(), 'statusnet', 'import');
 176                 del_pconfig(local_user(), 'statusnet', 'create_user');
 177                 del_pconfig(local_user(), 'statusnet', 'own_id');
 178         } else {
 179         if (isset($_POST['statusnet-preconf-apiurl'])) {
 180                 /***
 181                  * If the user used one of the preconfigured StatusNet server credentials
 182                  * use them. All the data are available in the global config.
 183                  * Check the API Url never the less and blame the admin if it's not working ^^
 184                  */
 185                 $globalsn = get_config('statusnet', 'sites');
 186                 foreach ( $globalsn as $asn) {
 187                         if ($asn['apiurl'] == $_POST['statusnet-preconf-apiurl'] ) {
 188                                 $apibase = $asn['apiurl'];
 189                                 $c = fetch_url( $apibase . 'statusnet/version.xml' );
 190                                 if (strlen($c) > 0) {
 191                                         set_pconfig(local_user(), 'statusnet', 'consumerkey', $asn['consumerkey'] );
 192                                         set_pconfig(local_user(), 'statusnet', 'consumersecret', $asn['consumersecret'] );
 193                                         set_pconfig(local_user(), 'statusnet', 'baseapi', $asn['apiurl'] );
 194                                         set_pconfig(local_user(), 'statusnet', 'application_name', $asn['applicationname'] );
 195                                 } else {
 196                                         notice( t('Please contact your site administrator.<br />The provided API URL is not valid.').EOL.$asn['apiurl'].EOL );
 197                                 }
 198                         }
 199                 }
 200                 goaway($a->get_baseurl().'/settings/connectors');
 201         } else {
 202         if (isset($_POST['statusnet-consumersecret'])) {
 203                 //  check if we can reach the API of the StatusNet server
 204                 //  we'll check the API Version for that, if we don't get one we'll try to fix the path but will
 205                 //  resign quickly after this one try to fix the path ;-)
 206                 $apibase = $_POST['statusnet-baseapi'];
 207                 $c = fetch_url( $apibase . 'statusnet/version.xml' );
 208                 if (strlen($c) > 0) {
 209                         //  ok the API path is correct, let's save the settings
 210                         set_pconfig(local_user(), 'statusnet', 'consumerkey', $_POST['statusnet-consumerkey']);
 211                         set_pconfig(local_user(), 'statusnet', 'consumersecret', $_POST['statusnet-consumersecret']);
 212                         set_pconfig(local_user(), 'statusnet', 'baseapi', $apibase );
 213                         set_pconfig(local_user(), 'statusnet', 'application_name', $_POST['statusnet-applicationname'] );
 214                 } else {
 215                         //  the API path is not correct, maybe missing trailing / ?
 216                         $apibase = $apibase . '/';
 217                         $c = fetch_url( $apibase . 'statusnet/version.xml' );
 218                         if (strlen($c) > 0) {
 219                                 //  ok the API path is now correct, let's save the settings
 220                                 set_pconfig(local_user(), 'statusnet', 'consumerkey', $_POST['statusnet-consumerkey']);
 221                                 set_pconfig(local_user(), 'statusnet', 'consumersecret', $_POST['statusnet-consumersecret']);
 222                                 set_pconfig(local_user(), 'statusnet', 'baseapi', $apibase );
 223                         } else {
 224                                 //  still not the correct API base, let's do noting
 225                                 notice( t('We could not contact the StatusNet API with the Path you entered.').EOL );
 226                         }
 227                 }
 228                 goaway($a->get_baseurl().'/settings/connectors');
 229         } else {
 230         if (isset($_POST['statusnet-pin'])) {
 231                 //  if the user supplied us with a PIN from StatusNet, let the magic of OAuth happen
 232                 $api     = get_pconfig(local_user(), 'statusnet', 'baseapi');
 233                 $ckey    = get_pconfig(local_user(), 'statusnet', 'consumerkey'  );
 234                 $csecret = get_pconfig(local_user(), 'statusnet', 'consumersecret' );
 235                 //  the token and secret for which the PIN was generated were hidden in the settings
 236                 //  form as token and token2, we need a new connection to StatusNet using these token
 237                 //  and secret to request a Access Token with the PIN
 238                 $connection = new StatusNetOAuth($api, $ckey, $csecret, $_POST['statusnet-token'], $_POST['statusnet-token2']);
 239                 $token   = $connection->getAccessToken( $_POST['statusnet-pin'] );
 240                 //  ok, now that we have the Access Token, save them in the user config
 241                 set_pconfig(local_user(),'statusnet', 'oauthtoken',  $token['oauth_token']);
 242                 set_pconfig(local_user(),'statusnet', 'oauthsecret', $token['oauth_token_secret']);
 243                 set_pconfig(local_user(),'statusnet', 'post', 1);
 244                 set_pconfig(local_user(),'statusnet', 'post_taglinks', 1);
 245                 //  reload the Addon Settings page, if we don't do it see Bug #42
 246                 goaway($a->get_baseurl().'/settings/connectors');
 247         } else {
 248                 //  if no PIN is supplied in the POST variables, the user has changed the setting
 249                 //  to post a dent for every new __public__ posting to the wall
 250                 set_pconfig(local_user(),'statusnet','post',intval($_POST['statusnet-enable']));
 251                 set_pconfig(local_user(),'statusnet','post_by_default',intval($_POST['statusnet-default']));
 252                 set_pconfig(local_user(),'statusnet','post_taglinks',intval($_POST['statusnet-sendtaglinks']));
 253                 set_pconfig(local_user(), 'statusnet', 'mirror_posts', intval($_POST['statusnet-mirror']));
 254                 set_pconfig(local_user(), 'statusnet', 'intelligent_shortening', intval($_POST['statusnet-shortening']));
 255                 set_pconfig(local_user(), 'statusnet', 'import', intval($_POST['statusnet-import']));
 256                 set_pconfig(local_user(), 'statusnet', 'create_user', intval($_POST['statusnet-create_user']));
 257                 info( t('StatusNet settings updated.') . EOL);
 258         }}}}
 259 }
 260 function statusnet_settings(&$a,&$s) {
 261         if(! local_user())
 262                 return;
 263         $a->page['htmlhead'] .= '<link rel="stylesheet"  type="text/css" href="' . $a->get_baseurl() . '/addon/statusnet/statusnet.css' . '" media="all" />' . "\r\n";
 264         /***
 265          * 1) Check that we have a base api url and a consumer key & secret
 266          * 2) If no OAuthtoken & stuff is present, generate button to get some
 267          *    allow the user to cancel the connection process at this step
 268          * 3) Checkbox for "Send public notices (respect size limitation)
 269          */
 270         $api     = get_pconfig(local_user(), 'statusnet', 'baseapi');
 271         $ckey    = get_pconfig(local_user(), 'statusnet', 'consumerkey' );
 272         $csecret = get_pconfig(local_user(), 'statusnet', 'consumersecret' );
 273         $otoken  = get_pconfig(local_user(), 'statusnet', 'oauthtoken'  );
 274         $osecret = get_pconfig(local_user(), 'statusnet', 'oauthsecret' );
 275         $enabled = get_pconfig(local_user(), 'statusnet', 'post');
 276         $checked = (($enabled) ? ' checked="checked" ' : '');
 277         $defenabled = get_pconfig(local_user(),'statusnet','post_by_default');
 278         $defchecked = (($defenabled) ? ' checked="checked" ' : '');
 279         $linksenabled = get_pconfig(local_user(),'statusnet','post_taglinks');
 280         $linkschecked = (($linksenabled) ? ' checked="checked" ' : '');
 281         $mirrorenabled = get_pconfig(local_user(),'statusnet','mirror_posts');
 282         $mirrorchecked = (($mirrorenabled) ? ' checked="checked" ' : '');
 283         $shorteningenabled = get_pconfig(local_user(),'statusnet','intelligent_shortening');
 284         $shorteningchecked = (($shorteningenabled) ? ' checked="checked" ' : '');
 285         $importenabled = get_pconfig(local_user(),'statusnet','import');
 286         $importchecked = (($importenabled) ? ' checked="checked" ' : '');
 287         $create_userenabled = get_pconfig(local_user(),'statusnet','create_user');
 288         $create_userchecked = (($create_userenabled) ? ' checked="checked" ' : '');
 289
 290         $css = (($enabled) ? '' : '-disabled');
 291
 292         $globalshortening = get_config('statusnet','intelligent_shortening');
 293
 294
 295         $s .= '<span id="settings_statusnet_inflated" class="settings-block fakelink" style="display: block;" onclick="openClose(\'settings_statusnet_expanded\'); openClose(\'settings_statusnet_inflated\');">';
 296         $s .= '<img class="connector'.$css.'" src="images/gnusocial.png" /><h3 class="connector">'. t('StatusNet Import/Export/Mirror').'</h3>';
 297         $s .= '</span>';
 298         $s .= '<div id="settings_statusnet_expanded" class="settings-block" style="display: none;">';
 299         $s .= '<span class="fakelink" onclick="openClose(\'settings_statusnet_expanded\'); openClose(\'settings_statusnet_inflated\');">';
 300         $s .= '<img class="connector'.$css.'" src="images/gnusocial.png" /><h3 class="connector">'. t('StatusNet Import/Export/Mirror').'</h3>';
 301         $s .= '</span>';
 302
 303         if ( (!$ckey) && (!$csecret) ) {
 304                 /***
 305                  * no consumer keys
 306                  */
 307                 $globalsn = get_config('statusnet', 'sites');
 308                 /***
 309                  * lets check if we have one or more globally configured StatusNet
 310                  * server OAuth credentials in the configuration. If so offer them
 311                  * with a little explanation to the user as choice - otherwise
 312                  * ignore this option entirely.
 313                  */
 314                 if (! $globalsn == null) {
 315                         $s .= '<h4>' . t('Globally Available StatusNet OAuthKeys') . '</h4>';
 316                         $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>';
 317                         $s .= '<div id="statusnet-preconf-wrapper">';
 318                         foreach ($globalsn as $asn) {
 319                                 $s .= '<input type="radio" name="statusnet-preconf-apiurl" value="'. $asn['apiurl'] .'">'. $asn['sitename'] .'<br />';
 320                         }
 321                         $s .= '<p></p><div class="clear"></div></div>';
 322                         $s .= '<div class="settings-submit-wrapper" ><input type="submit" name="statusnet-submit" class="settings-submit" value="' . t('Save Settings') . '" /></div>';
 323                 }
 324                 $s .= '<h4>' . t('Provide your own OAuth Credentials') . '</h4>';
 325                 $s .= '<p>'. t('No consumer key pair for StatusNet found. Register your Friendica 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 Friendica installation at your favorited StatusNet installation.') .'</p>';
 326                 $s .= '<div id="statusnet-consumer-wrapper">';
 327                 $s .= '<label id="statusnet-consumerkey-label" for="statusnet-consumerkey">'. t('OAuth Consumer Key') .'</label>';
 328                 $s .= '<input id="statusnet-consumerkey" type="text" name="statusnet-consumerkey" size="35" /><br />';
 329                 $s .= '<div class="clear"></div>';
 330                 $s .= '<label id="statusnet-consumersecret-label" for="statusnet-consumersecret">'. t('OAuth Consumer Secret') .'</label>';
 331                 $s .= '<input id="statusnet-consumersecret" type="text" name="statusnet-consumersecret" size="35" /><br />';
 332                 $s .= '<div class="clear"></div>';
 333                 $s .= '<label id="statusnet-baseapi-label" for="statusnet-baseapi">'. t("Base API Path \x28remember the trailing /\x29") .'</label>';
 334                 $s .= '<input id="statusnet-baseapi" type="text" name="statusnet-baseapi" size="35" /><br />';
 335                 $s .= '<div class="clear"></div>';
 336                 $s .= '<label id="statusnet-applicationname-label" for="statusnet-applicationname">'.t('StatusNet application name').'</label>';
 337                 $s .= '<input id="statusnet-applicationname" type="text" name="statusnet-applicationname" size="35" /><br />';
 338                 $s .= '<p></p><div class="clear"></div>';
 339                 $s .= '<div class="settings-submit-wrapper" ><input type="submit" name="statusnet-submit" class="settings-submit" value="' . t('Save Settings') . '" /></div>';
 340                 $s .= '</div>';
 341         } else {
 342                 /***
 343                  * ok we have a consumer key pair now look into the OAuth stuff
 344                  */
 345                 if ( (!$otoken) && (!$osecret) ) {
 346                         /***
 347                          * the user has not yet connected the account to statusnet
 348                          * get a temporary OAuth key/secret pair and display a button with
 349                          * which the user can request a PIN to connect the account to a
 350                          * account at statusnet
 351                          */
 352                         $connection = new StatusNetOAuth($api, $ckey, $csecret);
 353                         $request_token = $connection->getRequestToken('oob');
 354                         $token = $request_token['oauth_token'];
 355                         /***
 356                          *  make some nice form
 357                          */
 358                         $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>';
 359                         $s .= '<a href="'.$connection->getAuthorizeURL($token,False).'" target="_statusnet"><img src="addon/statusnet/signinwithstatusnet.png" alt="'. t('Log in with StatusNet') .'"></a>';
 360                         $s .= '<div id="statusnet-pin-wrapper">';
 361                         $s .= '<label id="statusnet-pin-label" for="statusnet-pin">'. t('Copy the security code from StatusNet here') .'</label>';
 362                         $s .= '<input id="statusnet-pin" type="text" name="statusnet-pin" />';
 363                         $s .= '<input id="statusnet-token" type="hidden" name="statusnet-token" value="'.$token.'" />';
 364                         $s .= '<input id="statusnet-token2" type="hidden" name="statusnet-token2" value="'.$request_token['oauth_token_secret'].'" />';
 365                         $s .= '</div><div class="clear"></div>';
 366                         $s .= '<div class="settings-submit-wrapper" ><input type="submit" name="statusnet-submit" class="settings-submit" value="' . t('Save Settings') . '" /></div>';
 367                         $s .= '<h4>'.t('Cancel Connection Process').'</h4>';
 368                         $s .= '<div id="statusnet-cancel-wrapper">';
 369                         $s .= '<p>'.t('Current StatusNet API is').': '.$api.'</p>';
 370                         $s .= '<label id="statusnet-cancel-label" for="statusnet-cancel">'. t('Cancel StatusNet Connection') . '</label>';
 371                         $s .= '<input id="statusnet-cancel" type="checkbox" name="statusnet-disconnect" value="1" />';
 372                         $s .= '</div><div class="clear"></div>';
 373                         $s .= '<div class="settings-submit-wrapper" ><input type="submit" name="statusnet-submit" class="settings-submit" value="' . t('Save Settings') . '" /></div>';
 374                 } else {
 375                         /***
 376                          *  we have an OAuth key / secret pair for the user
 377                          *  so let's give a chance to disable the postings to statusnet
 378                          */
 379                         $connection = new StatusNetOAuth($api,$ckey,$csecret,$otoken,$osecret);
 380                         $details = $connection->get('account/verify_credentials');
 381                         $s .= '<div id="statusnet-info" ><img id="statusnet-avatar" src="'.$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>';
 382                         $s .= '<p>'. t('If enabled all your <strong>public</strong> postings can be posted to the associated StatusNet account. You can choose to do so by default (here) or for every posting separately in the posting options when writing the entry.') .'</p>';
 383                         if ($a->user['hidewall']) {
 384                             $s .= '<p>'. t('<strong>Note</strong>: Due your privacy settings (<em>Hide your profile details from unknown viewers?</em>) the link potentially included in public postings relayed to StatusNet will lead the visitor to a blank page informing the visitor that the access to your profile has been restricted.') .'</p>';
 385                         }
 386                         $s .= '<div id="statusnet-enable-wrapper">';
 387                         $s .= '<label id="statusnet-enable-label" for="statusnet-checkbox">'. t('Allow posting to StatusNet') .'</label>';
 388                         $s .= '<input id="statusnet-checkbox" type="checkbox" name="statusnet-enable" value="1" ' . $checked . '/>';
 389                         $s .= '<div class="clear"></div>';
 390                         $s .= '<label id="statusnet-default-label" for="statusnet-default">'. t('Send public postings to StatusNet by default') .'</label>';
 391                         $s .= '<input id="statusnet-default" type="checkbox" name="statusnet-default" value="1" ' . $defchecked . '/>';
 392                         $s .= '<div class="clear"></div>';
 393
 394                         $s .= '<label id="statusnet-mirror-label" for="statusnet-mirror">'.t('Mirror all posts from statusnet that are no replies or repeated messages').'</label>';
 395                         $s .= '<input id="statusnet-mirror" type="checkbox" name="statusnet-mirror" value="1" '. $mirrorchecked . '/>';
 396                         $s .= '<div class="clear"></div>';
 397
 398                         if (!$globalshortening) {
 399                                 $s .= '<label id="statusnet-shortening-label" for="statusnet-shortening">'.t('Shortening method that optimizes the post').'</label>';
 400                                 $s .= '<input id="statusnet-shortening" type="checkbox" name="statusnet-shortening" value="1" '. $shorteningchecked . '/>';
 401                                 $s .= '<div class="clear"></div>';
 402
 403                                 $s .= '<label id="statusnet-sendtaglinks-label" for="statusnet-sendtaglinks">'.t('Send linked #-tags and @-names to StatusNet').'</label>';
 404                                 $s .= '<input id="statusnet-sendtaglinks" type="checkbox" name="statusnet-sendtaglinks" value="1" '. $linkschecked . '/>';
 405                                 $s .= '<div class="clear"></div>';
 406                         }
 407                         $s .= '</div>';
 408
 409                         $s .= '<label id="statusnet-import-label" for="statusnet-import">'.t('Import the remote timeline').'</label>';
 410                         $s .= '<input id="statusnet-import" type="checkbox" name="statusnet-import" value="1" '. $importchecked . '/>';
 411                         $s .= '<div class="clear"></div>';
 412 /*
 413                         $s .= '<label id="statusnet-create_user-label" for="statusnet-create_user">'.t('Automatically create contacts').'</label>';
 414                         $s .= '<input id="statusnet-create_user" type="checkbox" name="statusnet-create_user" value="1" '. $create_userchecked . '/>';
 415                         $s .= '<div class="clear"></div>';
 416 */
 417                         $s .= '<div id="statusnet-disconnect-wrapper">';
 418                         $s .= '<label id="statusnet-disconnect-label" for="statusnet-disconnect">'. t('Clear OAuth configuration') .'</label>';
 419                         $s .= '<input id="statusnet-disconnect" type="checkbox" name="statusnet-disconnect" value="1" />';
 420                         $s .= '</div><div class="clear"></div>';
 421                         $s .= '<div class="settings-submit-wrapper" ><input type="submit" name="statusnet-submit" class="settings-submit" value="' . t('Save Settings') . '" /></div>';
 422                 }
 423         }
 424         $s .= '</div><div class="clear"></div>';
 425 }
 426
 427
 428 function statusnet_post_local(&$a,&$b) {
 429         if($b['edit'])
 430                 return;
 431
 432         if((local_user()) && (local_user() == $b['uid']) && (! $b['private'])) {
 433
 434                 $statusnet_post = get_pconfig(local_user(),'statusnet','post');
 435                 $statusnet_enable = (($statusnet_post && x($_REQUEST,'statusnet_enable')) ? intval($_REQUEST['statusnet_enable']) : 0);
 436
 437                 // if API is used, default to the chosen settings
 438                 if($_REQUEST['api_source'] && intval(get_pconfig(local_user(),'statusnet','post_by_default')))
 439                         $statusnet_enable = 1;
 440
 441                 if(! $statusnet_enable)
 442                         return;
 443
 444                 if(strlen($b['postopts']))
 445                         $b['postopts'] .= ',';
 446                 $b['postopts'] .= 'statusnet';
 447         }
 448 }
 449
 450 if (! function_exists( 'short_link' )) {
 451 function short_link($url) {
 452     require_once('library/slinky.php');
 453     $slinky = new Slinky( $url );
 454     $yourls_url = get_config('yourls','url1');
 455     if ($yourls_url) {
 456             $yourls_username = get_config('yourls','username1');
 457             $yourls_password = get_config('yourls', 'password1');
 458             $yourls_ssl = get_config('yourls', 'ssl1');
 459             $yourls = new Slinky_YourLS();
 460             $yourls->set( 'username', $yourls_username );
 461             $yourls->set( 'password', $yourls_password );
 462             $yourls->set( 'ssl', $yourls_ssl );
 463             $yourls->set( 'yourls-url', $yourls_url );
 464             $slinky->set_cascade( array( $yourls, new Slinky_UR1ca(), new Slinky_Trim(), new Slinky_IsGd(), new Slinky_TinyURL() ) );
 465     }
 466     else {
 467             // setup a cascade of shortening services
 468             // try to get a short link from these services
 469             // in the order ur1.ca, trim, id.gd, tinyurl
 470             $slinky->set_cascade( array( new Slinky_UR1ca(), new Slinky_Trim(), new Slinky_IsGd(), new Slinky_TinyURL() ) );
 471     }
 472     return $slinky->short();
 473 } };
 474
 475 function statusnet_shortenmsg($b, $max_char) {
 476         require_once("include/api.php");
 477         require_once("include/bbcode.php");
 478         require_once("include/html2plain.php");
 479
 480         $b['body'] = bb_CleanPictureLinks($b['body']);
 481
 482         // Looking for the first image
 483         $cleaned_body = api_clean_plain_items($b['body']);
 484         $image = '';
 485         if(preg_match("/\[img\=([0-9]*)x([0-9]*)\](.*?)\[\/img\]/is",$cleaned_body,$matches))
 486                 $image = $matches[3];
 487
 488         if ($image == '')
 489                 if(preg_match("/\[img\](.*?)\[\/img\]/is",$cleaned_body,$matches))
 490                         $image = $matches[1];
 491
 492         $multipleimages = (strpos($cleaned_body, "[img") != strrpos($cleaned_body, "[img"));
 493
 494         // When saved into the database the content is sent through htmlspecialchars
 495         // That means that we have to decode all image-urls
 496         $image = htmlspecialchars_decode($image);
 497
 498         $body = $b["body"];
 499         if ($b["title"] != "")
 500                 $body = $b["title"]."\n\n".$body;
 501
 502         if (strpos($body, "[bookmark") !== false) {
 503                 // splitting the text in two parts:
 504                 // before and after the bookmark
 505                 $pos = strpos($body, "[bookmark");
 506                 $body1 = substr($body, 0, $pos);
 507                 $body2 = substr($body, $pos);
 508
 509                 // Removing all quotes after the bookmark
 510                 // they are mostly only the content after the bookmark.
 511                 $body2 = preg_replace("/\[quote\=([^\]]*)\](.*?)\[\/quote\]/ism",'',$body2);
 512                 $body2 = preg_replace("/\[quote\](.*?)\[\/quote\]/ism",'',$body2);
 513                 $body = $body1.$body2;
 514         }
 515
 516         // Add some newlines so that the message could be cut better
 517         $body = str_replace(array("[quote", "[bookmark", "[/bookmark]", "[/quote]"),
 518                                 array("\n[quote", "\n[bookmark", "[/bookmark]\n", "[/quote]\n"), $body);
 519
 520         // remove the recycle signs and the names since they aren't helpful on statusnet
 521         // recycle 1
 522         $recycle = html_entity_decode("&#x2672; ", ENT_QUOTES, 'UTF-8');
 523         $body = preg_replace( '/'.$recycle.'\[url\=(\w+.*?)\](\w+.*?)\[\/url\]/i', "\n", $body);
 524         // recycle 2 (Test)
 525         $recycle = html_entity_decode("&#x25CC; ", ENT_QUOTES, 'UTF-8');
 526         $body = preg_replace( '/'.$recycle.'\[url\=(\w+.*?)\](\w+.*?)\[\/url\]/i', "\n", $body);
 527
 528         // remove the share element
 529         //$body = preg_replace("/\[share(.*?)\](.*?)\[\/share\]/ism","\n\n$2\n\n",$body);
 530
 531         // At first convert the text to html
 532         $html = bbcode(api_clean_plain_items($body), false, false, 2);
 533
 534         // Then convert it to plain text
 535         //$msg = trim($b['title']." \n\n".html2plain($html, 0, true));
 536         $msg = trim(html2plain($html, 0, true));
 537         $msg = html_entity_decode($msg,ENT_QUOTES,'UTF-8');
 538
 539         // Removing multiple newlines
 540         while (strpos($msg, "\n\n\n") !== false)
 541                 $msg = str_replace("\n\n\n", "\n\n", $msg);
 542
 543         // Removing multiple spaces
 544         while (strpos($msg, "  ") !== false)
 545                 $msg = str_replace("  ", " ", $msg);
 546
 547         $origmsg = $msg;
 548
 549         // Removing URLs
 550         $msg = preg_replace('/(https?\:\/\/[a-zA-Z0-9\:\/\-\?\&\;\.\=\_\~\#\%\$\!\+\,]+)/i', "", $msg);
 551
 552         $msg = trim($msg);
 553
 554         $link = '';
 555         // look for bookmark-bbcode and handle it with priority
 556         if(preg_match("/\[bookmark\=([^\]]*)\](.*?)\[\/bookmark\]/is",$b['body'],$matches))
 557                 $link = $matches[1];
 558
 559         $multiplelinks = (strpos($b['body'], "[bookmark") != strrpos($b['body'], "[bookmark"));
 560
 561         // If there is no bookmark element then take the first link
 562         if ($link == '') {
 563                 $links = collecturls($html);
 564                 if (sizeof($links) > 0) {
 565                         reset($links);
 566                         $link = current($links);
 567                 }
 568                 $multiplelinks = (sizeof($links) > 1);
 569         }
 570
 571         $msglink = "";
 572         if ($multiplelinks)
 573                 $msglink = $b["plink"];
 574         else if ($link != "")
 575                 $msglink = $link;
 576         else if ($multipleimages)
 577                 $msglink = $b["plink"];
 578         else if ($image != "")
 579                 $msglink = $image;
 580
 581         if (($msglink == "") and strlen($msg) > $max_char)
 582                 $msglink = $b["plink"];
 583
 584         // If the message is short enough then don't modify it. (if the link exists in the original message)
 585         if ((strlen(trim($origmsg)) <= $max_char) AND (($msglink == "") OR strpos($origmsg, $msglink)))
 586                 return(array("msg"=>trim($origmsg), "image"=>""));
 587
 588         // If the message is short enough and contains a picture then post the picture as well
 589         if ((strlen(trim($origmsg)) <= ($max_char - 20)) AND strpos($origmsg, $msglink))
 590                 return(array("msg"=>trim($origmsg), "image"=>$image));
 591
 592         // If the message is short enough and the link exists in the original message don't modify it as well
 593         if ((strlen(trim($origmsg)) <= $max_char) AND strpos($origmsg, $msglink))
 594                 return(array("msg"=>trim($origmsg), "image"=>""));
 595
 596         // Preserve the unshortened link
 597         $orig_link = $msglink;
 598
 599         if (strlen($msglink) > 20)
 600                 $msglink = short_link($msglink);
 601
 602         if (strlen(trim($msg." ".$msglink)) > $max_char) {
 603                 $msg = substr($msg, 0, $max_char - (strlen($msglink)));
 604                 $lastchar = substr($msg, -1);
 605                 $msg = substr($msg, 0, -1);
 606                 $pos = strrpos($msg, "\n");
 607                 if ($pos > 0)
 608                         $msg = substr($msg, 0, $pos);
 609                 else if ($lastchar != "\n")
 610                         $msg = substr($msg, 0, -3)."...";
 611         }
 612         //$msg = str_replace("\n", " ", $msg);
 613
 614         // Removing multiple spaces - again
 615         while (strpos($msg, "  ") !== false)
 616                 $msg = str_replace("  ", " ", $msg);
 617
 618         //return(array("msg"=>trim($msg."\n".$msglink), "image"=>$image));
 619
 620         // Looking if the link points to an image
 621         $img_str = fetch_url($orig_link);
 622
 623         $tempfile = tempnam(get_config("system","temppath"), "cache");
 624         file_put_contents($tempfile, $img_str);
 625         $mime = image_type_to_mime_type(exif_imagetype($tempfile));
 626         unlink($tempfile);
 627
 628         if (($image == $orig_link) OR (substr($mime, 0, 6) == "image/"))
 629                 return(array("msg"=>trim($msg), "image"=>$orig_link));
 630         else if (($image != $orig_link) AND ($image != "") AND (strlen($msg." ".$msglink) <= ($max_char - 20)))
 631                 return(array("msg"=>trim($msg." ".$msglink)."\n", "image"=>$image));
 632         else
 633                 return(array("msg"=>trim($msg." ".$msglink), "image"=>""));
 634 }
 635
 636 function statusnet_action($a, $uid, $pid, $action) {
 637         $api     = get_pconfig($uid, 'statusnet', 'baseapi');
 638         $ckey    = get_pconfig($uid, 'statusnet', 'consumerkey');
 639         $csecret = get_pconfig($uid, 'statusnet', 'consumersecret');
 640         $otoken  = get_pconfig($uid, 'statusnet', 'oauthtoken');
 641         $osecret = get_pconfig($uid, 'statusnet', 'oauthsecret');
 642
 643         $connection = new StatusNetOAuth($api,$ckey,$csecret,$otoken,$osecret);
 644
 645         logger("statusnet_action '".$action."' ID: ".$pid, LOGGER_DATA);
 646
 647         switch ($action) {
 648                 case "delete":
 649                         $result = $connection->post("statuses/destroy/".$pid);
 650                         break;
 651                 case "like":
 652                         $result = $connection->post("favorites/create/".$pid);
 653                         break;
 654                 case "unlike":
 655                         $result = $connection->post("favorites/destroy/".$pid);
 656                         break;
 657         }
 658         logger("statusnet_action '".$action."' send, result: " . print_r($result, true), LOGGER_DEBUG);
 659 }
 660
 661 function statusnet_post_hook(&$a,&$b) {
 662
 663         /**
 664          * Post to statusnet
 665          */
 666
 667         if (!get_pconfig($b["uid"],'statusnet','import')) {
 668                 if($b['deleted'] || $b['private'] || ($b['created'] !== $b['edited']))
 669                         return;
 670         }
 671
 672         $api = get_pconfig($b["uid"], 'statusnet', 'baseapi');
 673         $hostname = preg_replace("=https?://([\w\.]*)/.*=ism", "$1", $api);
 674
 675         if($b['parent'] != $b['id']) {
 676                 logger("statusnet_post_hook: parameter ".print_r($b, true), LOGGER_DATA);
 677
 678                 // Looking if its a reply to a statusnet post
 679                 $hostlength = strlen($hostname) + 2;
 680                 if ((substr($b["parent-uri"], 0, $hostlength) != $hostname."::") AND (substr($b["extid"], 0, $hostlength) != $hostname."::")
 681                         AND (substr($b["thr-parent"], 0, $hostlength) != $hostname."::")) {
 682                         logger("statusnet_post_hook: no statusnet post ".$b["parent"]);
 683                         return;
 684                 }
 685
 686                 $r = q("SELECT `item`.`author-link`, `item`.`uri`, `contact`.`nick` AS contact_nick
 687                         FROM `item` INNER JOIN `contact` ON `contact`.`id` = `item`.`contact-id`
 688                         WHERE `item`.`uri` = '%s' AND `item`.`uid` = %d LIMIT 1",
 689                         dbesc($b["thr-parent"]),
 690                         intval($b["uid"]));
 691
 692                 if(!count($r)) {
 693                         logger("statusnet_post_hook: no parent found ".$b["thr-parent"]);
 694                         return;
 695                 } else {
 696                         $iscomment = true;
 697                         $orig_post = $r[0];
 698                 }
 699
 700                 $nickname = "@[url=".$orig_post["author-link"]."]".$orig_post["contact_nick"]."[/url]";
 701                 $nicknameplain = "@".$orig_post["contact_nick"];
 702
 703                 logger("statusnet_post_hook: comparing ".$nickname." and ".$nicknameplain." with ".$b["body"], LOGGER_DEBUG);
 704                 if ((strpos($b["body"], $nickname) === false) AND (strpos($b["body"], $nicknameplain) === false))
 705                         $b["body"] = $nickname." ".$b["body"];
 706
 707                 logger("statusnet_post_hook: parent found ".print_r($orig_post, true), LOGGER_DEBUG);
 708         } else {
 709                 $iscomment = false;
 710
 711                 if($b['private'] OR !strstr($b['postopts'],'statusnet'))
 712                         return;
 713         }
 714
 715         if (($b['verb'] == ACTIVITY_POST) AND $b['deleted'])
 716                 statusnet_action($a, $b["uid"], substr($orig_post["uri"], $hostlength), "delete");
 717
 718         if($b['verb'] == ACTIVITY_LIKE) {
 719                 logger("statusnet_post_hook: parameter 2 ".substr($b["thr-parent"], $hostlength), LOGGER_DEBUG);
 720                 if ($b['deleted'])
 721                         statusnet_action($a, $b["uid"], substr($b["thr-parent"], $hostlength), "unlike");
 722                 else
 723                         statusnet_action($a, $b["uid"], substr($b["thr-parent"], $hostlength), "like");
 724                 return;
 725         }
 726
 727         if($b['deleted'] || ($b['created'] !== $b['edited']))
 728                 return;
 729
 730         // if posts comes from statusnet don't send it back
 731         if($b['app'] == "StatusNet")
 732                 return;
 733
 734         logger('statusnet post invoked');
 735
 736         load_pconfig($b['uid'], 'statusnet');
 737
 738         $api     = get_pconfig($b['uid'], 'statusnet', 'baseapi');
 739         $ckey    = get_pconfig($b['uid'], 'statusnet', 'consumerkey');
 740         $csecret = get_pconfig($b['uid'], 'statusnet', 'consumersecret');
 741         $otoken  = get_pconfig($b['uid'], 'statusnet', 'oauthtoken');
 742         $osecret = get_pconfig($b['uid'], 'statusnet', 'oauthsecret');
 743         $intelligent_shortening = get_pconfig($b['uid'], 'statusnet', 'intelligent_shortening');
 744
 745         // Global setting overrides this
 746         if (get_config('statusnet','intelligent_shortening'))
 747                 $intelligent_shortening = get_config('statusnet','intelligent_shortening');
 748
 749         if($ckey && $csecret && $otoken && $osecret) {
 750
 751                 // If it's a repeated message from statusnet then do a native retweet and exit
 752                 if (statusnet_is_retweet($a, $b['uid'], $b['body']))
 753                         return;
 754
 755                 require_once('include/bbcode.php');
 756                 $dent = new StatusNetOAuth($api,$ckey,$csecret,$otoken,$osecret);
 757                 $max_char = $dent->get_maxlength(); // max. length for a dent
 758                 // we will only work with up to two times the length of the dent
 759                 // we can later send to StatusNet. This way we can "gain" some
 760                 // information during shortening of potential links but do not
 761                 // shorten all the links in a 200000 character long essay.
 762
 763                 $tempfile = "";
 764                 $intelligent_shortening = get_config('statusnet','intelligent_shortening');
 765                 if (!$intelligent_shortening) {
 766                         if (! $b['title']=='') {
 767                                 $tmp = $b['title'].": \n".$b['body'];
 768         //                    $tmp = substr($tmp, 0, 4*$max_char);
 769                         } else {
 770                             $tmp = $b['body']; // substr($b['body'], 0, 3*$max_char);
 771                         }
 772                         // if [url=bla][img]blub.png[/img][/url] get blub.png
 773                         $tmp = preg_replace( '/\[url\=(https?\:\/\/[a-zA-Z0-9\:\/\-\?\&\;\.\=\_\~\#\%\$\!\+\,]+)\]\[img\](\\w+.*?)\\[\\/img\]\\[\\/url\]/i', '$2', $tmp);
 774                         // preserve links to images, videos and audios
 775                         $tmp = preg_replace( '/\[img\=([0-9]*)x([0-9]*)\](.*?)\[\/img\]/ism', '$3', $tmp);
 776                         $tmp = preg_replace( '/\[\\/?img(\\s+.*?\]|\])/i', '', $tmp);
 777                         $tmp = preg_replace( '/\[\\/?video(\\s+.*?\]|\])/i', '', $tmp);
 778                         $tmp = preg_replace( '/\[\\/?youtube(\\s+.*?\]|\])/i', '', $tmp);
 779                         $tmp = preg_replace( '/\[\\/?vimeo(\\s+.*?\]|\])/i', '', $tmp);
 780                         $tmp = preg_replace( '/\[\\/?audio(\\s+.*?\]|\])/i', '', $tmp);
 781                         $linksenabled = get_pconfig($b['uid'],'statusnet','post_taglinks');
 782                         // if a #tag is linked, don't send the [url] over to SN
 783                         // that is, don't send if the option is not set in the
 784                         // connector settings
 785                         if ($linksenabled=='0') {
 786                                 // #-tags
 787                                 $tmp = preg_replace( '/#\[url\=(\w+.*?)\](\w+.*?)\[\/url\]/i', '#$2', $tmp);
 788                                 // @-mentions
 789                                 $tmp = preg_replace( '/@\[url\=(\w+.*?)\](\w+.*?)\[\/url\]/i', '@$2', $tmp);
 790                                 // recycle 1
 791                                 $recycle = html_entity_decode("&#x2672; ", ENT_QUOTES, 'UTF-8');
 792                                 $tmp = preg_replace( '/'.$recycle.'\[url\=(\w+.*?)\](\w+.*?)\[\/url\]/i', $recycle.'$2', $tmp);
 793                                 // recycle 2 (test)
 794                                 $recycle = html_entity_decode("&#x25CC; ", ENT_QUOTES, 'UTF-8');
 795                                 $tmp = preg_replace( '/'.$recycle.'\[url\=(\w+.*?)\](\w+.*?)\[\/url\]/i', $recycle.'$2', $tmp);
 796                         }
 797                         // preserve links to webpages
 798                         $tmp = preg_replace( '/\[url\=(https?\:\/\/[a-zA-Z0-9\:\/\-\?\&\;\.\=\_\~\#\%\$\!\+\,]+)\](\w+.*?)\[\/url\]/i', '$2 $1', $tmp);
 799                         $tmp = preg_replace( '/\[bookmark\=(https?\:\/\/[a-zA-Z0-9\:\/\-\?\&\;\.\=\_\~\#\%\$\!\+\,]+)\](\w+.*?)\[\/bookmark\]/i', '$2 $1', $tmp);
 800                         // find all http or https links in the body of the entry and
 801                         // apply the shortener if the link is longer then 20 characters
 802                         if (( strlen($tmp)>$max_char ) && ( $max_char > 0 )) {
 803                             preg_match_all ( '/(https?\:\/\/[a-zA-Z0-9\:\/\-\?\&\;\.\=\_\~\#\%\$\!\+\,]+)/i', $tmp, $allurls  );
 804                             foreach ($allurls as $url) {
 805                                 foreach ($url as $u) {
 806                                     if (strlen($u)>20) {
 807                                         $sl = short_link($u);
 808                                         $tmp = str_replace( $u, $sl, $tmp );
 809                                     }
 810                                 }
 811                             }
 812                         }
 813                         // ok, all the links we want to send out are save, now strip
 814                         // away the remaining bbcode
 815                         //$msg = strip_tags(bbcode($tmp, false, false));
 816                         $msg = bbcode($tmp, false, false, true);
 817                         $msg = str_replace(array('<br>','<br />'),"\n",$msg);
 818                         $msg = strip_tags($msg);
 819
 820                         // quotes not working - let's try this
 821                         $msg = html_entity_decode($msg);
 822
 823                         if (( strlen($msg) > $max_char) && $max_char > 0) {
 824                                 $shortlink = short_link( $b['plink'] );
 825                                 // the new message will be shortened such that "... $shortlink"
 826                                 // will fit into the character limit
 827                                 $msg = nl2br(substr($msg, 0, $max_char-strlen($shortlink)-4));
 828                                 $msg = str_replace(array('<br>','<br />'),' ',$msg);
 829                                 $e = explode(' ', $msg);
 830                                 //  remove the last word from the cut down message to
 831                                 //  avoid sending cut words to the MicroBlog
 832                                 array_pop($e);
 833                                 $msg = implode(' ', $e);
 834                                 $msg .= '... ' . $shortlink;
 835                         }
 836
 837                         $msg = trim($msg);
 838                         $postdata = array('status' => $msg);
 839                 } else {
 840 /*                      $msgarr = statusnet_shortenmsg($b, $max_char);
 841                         $msg = $msgarr["msg"];
 842                         $image = $msgarr["image"];
 843 */
 844                         require_once("include/plaintext.php");
 845                         require_once("include/network.php");
 846                         $msgarr = plaintext($a, $b, $max_char, true);
 847                         $msg = $msgarr["text"];
 848
 849                         if (($msg == "") AND isset($msgarr["title"]))
 850                                 $msg = shortenmsg($msgarr["title"], $max_char - 50);
 851
 852                         $image = "";
 853
 854                         if (isset($msgarr["url"])) {
 855                                 if ((strlen($msgarr["url"]) > 20) AND
 856                                         ((strlen($msg." ".$msgarr["url"]) > $max_char)))
 857                                         $msg .= " ".short_link($msgarr["url"]);
 858                                 else
 859                                         $msg .= " ".$msgarr["url"];
 860                         } elseif (isset($msgarr["image"]))
 861                                 $image = $msgarr["image"];
 862
 863                         if ($image != "") {
 864                                 $img_str = fetch_url($image);
 865                                 $tempfile = tempnam(get_config("system","temppath"), "cache");
 866                                 file_put_contents($tempfile, $img_str);
 867                                 $postdata = array("status" => $msg, "media[]" => $tempfile);
 868                         } else
 869                                 $postdata = array("status"=>$msg);
 870                 }
 871
 872                 // and now dent it :-)
 873                 if(strlen($msg)) {
 874
 875                         if ($iscomment) {
 876                                 $postdata["in_reply_to_status_id"] = substr($orig_post["uri"], $hostlength);
 877                                 logger('statusnet_post send reply '.print_r($postdata, true), LOGGER_DEBUG);
 878                         }
 879
 880                         // New code that is able to post pictures
 881                         require_once("addon/statusnet/codebird.php");
 882                         $cb = \CodebirdSN\CodebirdSN::getInstance();
 883                         $cb->setAPIEndpoint($api);
 884                         $cb->setConsumerKey($ckey, $csecret);
 885                         $cb->setToken($otoken, $osecret);
 886                         $result = $cb->statuses_update($postdata);
 887                         //$result = $dent->post('statuses/update', $postdata);
 888                         logger('statusnet_post send, result: ' . print_r($result, true).
 889                                 "\nmessage: ".$msg, LOGGER_DEBUG."\nOriginal post: ".print_r($b, true)."\nPost Data: ".print_r($postdata, true));
 890                         if ($result->error) {
 891                                 logger('Send to StatusNet failed: "'.$result->error.'"');
 892                         } elseif ($iscomment) {
 893                                 logger('statusnet_post: Update extid '.$result->id." for post id ".$b['id']);
 894                                 q("UPDATE `item` SET `extid` = '%s', `body` = '%s' WHERE `id` = %d",
 895                                         dbesc($hostname."::".$result->id),
 896                                         dbesc($result->text),
 897                                         intval($b['id'])
 898                                 );
 899                         }
 900                 }
 901                 if ($tempfile != "")
 902                         unlink($tempfile);
 903         }
 904 }
 905
 906 function statusnet_plugin_admin_post(&$a){
 907
 908         $sites = array();
 909
 910         foreach($_POST['sitename'] as $id=>$sitename){
 911                 $sitename=trim($sitename);
 912                 $apiurl=trim($_POST['apiurl'][$id]);
 913                 if (! (substr($apiurl, -1)=='/'))
 914                     $apiurl=$apiurl.'/';
 915                 $secret=trim($_POST['secret'][$id]);
 916                 $key=trim($_POST['key'][$id]);
 917                 $applicationname = ((x($_POST, 'applicationname')) ? notags(trim($_POST['applicationname'][$id])):'');
 918                 if ($sitename!="" &&
 919                         $apiurl!="" &&
 920                         $secret!="" &&
 921                         $key!="" &&
 922                         !x($_POST['delete'][$id])){
 923
 924                                 $sites[] = Array(
 925                                         'sitename' => $sitename,
 926                                         'apiurl' => $apiurl,
 927                                         'consumersecret' => $secret,
 928                                         'consumerkey' => $key,
 929                                         'applicationname' => $applicationname
 930                                 );
 931                 }
 932         }
 933
 934         $sites = set_config('statusnet','sites', $sites);
 935
 936 }
 937
 938 function statusnet_plugin_admin(&$a, &$o){
 939
 940         $sites = get_config('statusnet','sites');
 941         $sitesform=array();
 942         if (is_array($sites)){
 943                 foreach($sites as $id=>$s){
 944                         $sitesform[] = Array(
 945                                 'sitename' => Array("sitename[$id]", "Site name", $s['sitename'], ""),
 946                                 'apiurl' => Array("apiurl[$id]", "Api url", $s['apiurl'], t("Base API Path \x28remember the trailing /\x29") ),
 947                                 'secret' => Array("secret[$id]", "Secret", $s['consumersecret'], ""),
 948                                 'key' => Array("key[$id]", "Key", $s['consumerkey'], ""),
 949                                 'applicationname' => Array("applicationname[$id]", "Application name", $s['applicationname'], ""),
 950                                 'delete' => Array("delete[$id]", "Delete", False , "Check to delete this preset"),
 951                         );
 952                 }
 953         }
 954         /* empty form to add new site */
 955         $id++;
 956         $sitesform[] = Array(
 957                 'sitename' => Array("sitename[$id]", t("Site name"), "", ""),
 958                 'apiurl' => Array("apiurl[$id]", "Api url", "", t("Base API Path \x28remember the trailing /\x29") ),
 959                 'secret' => Array("secret[$id]", t("Consumer Secret"), "", ""),
 960                 'key' => Array("key[$id]", t("Consumer Key"), "", ""),
 961                 'applicationname' => Array("applicationname[$id]", t("Application name"), "", ""),
 962         );
 963
 964         $t = get_markup_template( "admin.tpl", "addon/statusnet/" );
 965         $o = replace_macros($t, array(
 966                 '$submit' => t('Save Settings'),
 967                 '$sites' => $sitesform,
 968         ));
 969 }
 970
 971 function statusnet_cron($a,$b) {
 972         $last = get_config('statusnet','last_poll');
 973
 974         $poll_interval = intval(get_config('statusnet','poll_interval'));
 975         if(! $poll_interval)
 976                 $poll_interval = STATUSNET_DEFAULT_POLL_INTERVAL;
 977
 978         if($last) {
 979                 $next = $last + ($poll_interval * 60);
 980                 if($next > time()) {
 981                         logger('statusnet: poll intervall not reached');
 982                         return;
 983                 }
 984         }
 985         logger('statusnet: cron_start');
 986
 987         $r = q("SELECT * FROM `pconfig` WHERE `cat` = 'statusnet' AND `k` = 'mirror_posts' AND `v` = '1' ORDER BY RAND() ");
 988         if(count($r)) {
 989                 foreach($r as $rr) {
 990                         logger('statusnet: fetching for user '.$rr['uid']);
 991                         statusnet_fetchtimeline($a, $rr['uid']);
 992                 }
 993         }
 994
 995         $r = q("SELECT * FROM `pconfig` WHERE `cat` = 'statusnet' AND `k` = 'import' AND `v` = '1' ORDER BY RAND()");
 996         if(count($r)) {
 997                 foreach($r as $rr) {
 998                         logger('statusnet: importing timeline from user '.$rr['uid']);
 999                         statusnet_fetchhometimeline($a, $rr["uid"]);
1000                 }
1001         }
1002
1003         logger('statusnet: cron_end');
1004
1005         set_config('statusnet','last_poll', time());
1006 }
1007
1008 function statusnet_fetchtimeline($a, $uid) {
1009         $ckey    = get_pconfig($uid, 'statusnet', 'consumerkey');
1010         $csecret = get_pconfig($uid, 'statusnet', 'consumersecret');
1011         $api     = get_pconfig($uid, 'statusnet', 'baseapi');
1012         $otoken  = get_pconfig($uid, 'statusnet', 'oauthtoken');
1013         $osecret = get_pconfig($uid, 'statusnet', 'oauthsecret');
1014         $lastid  = get_pconfig($uid, 'statusnet', 'lastid');
1015
1016         require_once('mod/item.php');
1017         require_once('include/items.php');
1018
1019         //  get the application name for the SN app
1020         //  1st try personal config, then system config and fallback to the
1021         //  hostname of the node if neither one is set.
1022         $application_name  = get_pconfig( $uid, 'statusnet', 'application_name');
1023         if ($application_name == "")
1024                 $application_name  = get_config('statusnet', 'application_name');
1025         if ($application_name == "")
1026                 $application_name = $a->get_hostname();
1027
1028         $connection = new StatusNetOAuth($api, $ckey,$csecret,$otoken,$osecret);
1029
1030         $parameters = array("exclude_replies" => true, "trim_user" => true, "contributor_details" => false, "include_rts" => false);
1031
1032         $first_time = ($lastid == "");
1033
1034         if ($lastid <> "")
1035                 $parameters["since_id"] = $lastid;
1036
1037         $items = $connection->get('statuses/user_timeline', $parameters);
1038
1039         if (!is_array($items))
1040                 return;
1041
1042         $posts = array_reverse($items);
1043
1044         if (count($posts)) {
1045             foreach ($posts as $post) {
1046                 if ($post->id > $lastid)
1047                         $lastid = $post->id;
1048
1049                 if ($first_time)
1050                         continue;
1051
1052                 if ($post->source == "activity")
1053                         continue;
1054
1055                 if (is_object($post->retweeted_status))
1056                         continue;
1057
1058                 if ($post->in_reply_to_status_id != "")
1059                         continue;
1060
1061                 if (!strpos($post->source, $application_name)) {
1062                         $_SESSION["authenticated"] = true;
1063                         $_SESSION["uid"] = $uid;
1064
1065                         unset($_REQUEST);
1066                         $_REQUEST["type"] = "wall";
1067                         $_REQUEST["api_source"] = true;
1068                         $_REQUEST["profile_uid"] = $uid;
1069                         $_REQUEST["source"] = "StatusNet";
1070
1071                         //$_REQUEST["date"] = $post->created_at;
1072
1073                         $_REQUEST["title"] = "";
1074
1075                         $_REQUEST["body"] = add_page_info_to_body($post->text, true);
1076                         if (is_string($post->place->name))
1077                                 $_REQUEST["location"] = $post->place->name;
1078
1079                         if (is_string($post->place->full_name))
1080                                 $_REQUEST["location"] = $post->place->full_name;
1081
1082                         if (is_array($post->geo->coordinates))
1083                                 $_REQUEST["coord"] = $post->geo->coordinates[0]." ".$post->geo->coordinates[1];
1084
1085                         if (is_array($post->coordinates->coordinates))
1086                                 $_REQUEST["coord"] = $post->coordinates->coordinates[1]." ".$post->coordinates->coordinates[0];
1087
1088                         //print_r($_REQUEST);
1089                         if ($_REQUEST["body"] != "") {
1090                                 logger('statusnet: posting for user '.$uid);
1091
1092                                 item_post($a);
1093                         }
1094                 }
1095             }
1096         }
1097         set_pconfig($uid, 'statusnet', 'lastid', $lastid);
1098 }
1099
1100 function statusnet_address($contact) {
1101         $hostname = normalise_link($contact->statusnet_profile_url);
1102         $nickname = $contact->screen_name;
1103
1104         $hostname = preg_replace("=https?://([\w\.]*)/.*=ism", "$1", $contact->statusnet_profile_url);
1105
1106         $address = $contact->screen_name."@".$hostname;
1107
1108         return($address);
1109 }
1110
1111 function statusnet_fetch_contact($uid, $contact, $create_user) {
1112         // Check if the unique contact is existing
1113         // To-Do: only update once a while
1114          $r = q("SELECT id FROM unique_contacts WHERE url='%s' LIMIT 1",
1115                         dbesc(normalise_link($contact->statusnet_profile_url)));
1116
1117         if (count($r) == 0)
1118                 q("INSERT INTO unique_contacts (url, name, nick, avatar) VALUES ('%s', '%s', '%s', '%s')",
1119                         dbesc(normalise_link($contact->statusnet_profile_url)),
1120                         dbesc($contact->name),
1121                         dbesc($contact->screen_name),
1122                         dbesc($contact->profile_image_url));
1123         else
1124                 q("UPDATE unique_contacts SET name = '%s', nick = '%s', avatar = '%s' WHERE url = '%s'",
1125                         dbesc($contact->name),
1126                         dbesc($contact->screen_name),
1127                         dbesc($contact->profile_image_url),
1128                         dbesc(normalise_link($contact->statusnet_profile_url)));
1129
1130         $r = q("SELECT * FROM `contact` WHERE `uid` = %d AND `alias` = '%s' LIMIT 1",
1131                 intval($uid), dbesc(normalise_link($contact->statusnet_profile_url)));
1132
1133         if(!count($r) AND !$create_user)
1134                 return(0);
1135
1136         if (count($r) AND ($r[0]["readonly"] OR $r[0]["blocked"])) {
1137                 logger("statusnet_fetch_contact: Contact '".$r[0]["nick"]."' is blocked or readonly.", LOGGER_DEBUG);
1138                 return(-1);
1139         }
1140
1141         if(!count($r)) {
1142                 // create contact record
1143                 q("INSERT INTO `contact` ( `uid`, `created`, `url`, `nurl`, `addr`, `alias`, `notify`, `poll`,
1144                                         `name`, `nick`, `photo`, `network`, `rel`, `priority`,
1145                                         `writable`, `blocked`, `readonly`, `pending` )
1146                                         VALUES ( %d, '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', %d, %d, %d, 0, 0, 0 ) ",
1147                         intval($uid),
1148                         dbesc(datetime_convert()),
1149                         dbesc($contact->statusnet_profile_url),
1150                         dbesc(normalise_link($contact->statusnet_profile_url)),
1151                         dbesc(statusnet_address($contact)),
1152                         dbesc(normalise_link($contact->statusnet_profile_url)),
1153                         dbesc(''),
1154                         dbesc(''),
1155                         dbesc($contact->name),
1156                         dbesc($contact->screen_name),
1157                         dbesc($contact->profile_image_url),
1158                         dbesc(NETWORK_STATUSNET),
1159                         intval(CONTACT_IS_FRIEND),
1160                         intval(1),
1161                         intval(1)
1162                 );
1163
1164                 $r = q("SELECT * FROM `contact` WHERE `alias` = '%s' AND `uid` = %d LIMIT 1",
1165                         dbesc($contact->statusnet_profile_url),
1166                         intval($uid)
1167                         );
1168
1169                 if(! count($r))
1170                         return(false);
1171
1172                 $contact_id  = $r[0]['id'];
1173
1174                 $g = q("SELECT def_gid FROM user WHERE uid = %d LIMIT 1",
1175                         intval($uid)
1176                 );
1177
1178                 if($g && intval($g[0]['def_gid'])) {
1179                         require_once('include/group.php');
1180                         group_add_member($uid,'',$contact_id,$g[0]['def_gid']);
1181                 }
1182
1183                 require_once("Photo.php");
1184
1185                 $photos = import_profile_photo($contact->profile_image_url,$uid,$contact_id);
1186
1187                 q("UPDATE `contact` SET `photo` = '%s',
1188                                         `thumb` = '%s',
1189                                         `micro` = '%s',
1190                                         `name-date` = '%s',
1191                                         `uri-date` = '%s',
1192                                         `avatar-date` = '%s'
1193                                 WHERE `id` = %d",
1194                         dbesc($photos[0]),
1195                         dbesc($photos[1]),
1196                         dbesc($photos[2]),
1197                         dbesc(datetime_convert()),
1198                         dbesc(datetime_convert()),
1199                         dbesc(datetime_convert()),
1200                         intval($contact_id)
1201                 );
1202
1203         } else {
1204                 // update profile photos once every two weeks as we have no notification of when they change.
1205
1206                 //$update_photo = (($r[0]['avatar-date'] < datetime_convert('','','now -2 days')) ? true : false);
1207                 $update_photo = ($r[0]['avatar-date'] < datetime_convert('','','now -12 hours'));
1208
1209                 // check that we have all the photos, this has been known to fail on occasion
1210
1211                 if((! $r[0]['photo']) || (! $r[0]['thumb']) || (! $r[0]['micro']) || ($update_photo)) {
1212
1213                         logger("statusnet_fetch_contact: Updating contact ".$contact->screen_name, LOGGER_DEBUG);
1214
1215                         require_once("Photo.php");
1216
1217                         $photos = import_profile_photo($contact->profile_image_url, $uid, $r[0]['id']);
1218
1219                         q("UPDATE `contact` SET `photo` = '%s',
1220                                                 `thumb` = '%s',
1221                                                 `micro` = '%s',
1222                                                 `name-date` = '%s',
1223                                                 `uri-date` = '%s',
1224                                                 `avatar-date` = '%s',
1225                                                 `url` = '%s',
1226                                                 `nurl` = '%s',
1227                                                 `addr` = '%s',
1228                                                 `name` = '%s',
1229                                                 `nick` = '%s'
1230                                         WHERE `id` = %d",
1231                                 dbesc($photos[0]),
1232                                 dbesc($photos[1]),
1233                                 dbesc($photos[2]),
1234                                 dbesc(datetime_convert()),
1235                                 dbesc(datetime_convert()),
1236                                 dbesc(datetime_convert()),
1237                                 dbesc($contact->statusnet_profile_url),
1238                                 dbesc(normalise_link($contact->statusnet_profile_url)),
1239                                 dbesc(statusnet_address($contact)),
1240                                 dbesc($contact->name),
1241                                 dbesc($contact->screen_name),
1242                                 intval($r[0]['id'])
1243                         );
1244                 }
1245         }
1246
1247         return($r[0]["id"]);
1248 }
1249
1250 function statusnet_fetchuser($a, $uid, $screen_name = "", $user_id = "") {
1251         $ckey    = get_pconfig($uid, 'statusnet', 'consumerkey');
1252         $csecret = get_pconfig($uid, 'statusnet', 'consumersecret');
1253         $api     = get_pconfig($uid, 'statusnet', 'baseapi');
1254         $otoken  = get_pconfig($uid, 'statusnet', 'oauthtoken');
1255         $osecret = get_pconfig($uid, 'statusnet', 'oauthsecret');
1256
1257         require_once("addon/statusnet/codebird.php");
1258
1259         $cb = \Codebird\Codebird::getInstance();
1260         $cb->setConsumerKey($ckey, $csecret);
1261         $cb->setToken($otoken, $osecret);
1262
1263         $r = q("SELECT * FROM `contact` WHERE `self` = 1 AND `uid` = %d LIMIT 1",
1264                 intval($uid));
1265
1266         if(count($r)) {
1267                 $self = $r[0];
1268         } else
1269                 return;
1270
1271         $parameters = array();
1272
1273         if ($screen_name != "")
1274                 $parameters["screen_name"] = $screen_name;
1275
1276         if ($user_id != "")
1277                 $parameters["user_id"] = $user_id;
1278
1279         // Fetching user data
1280         $user = $cb->users_show($parameters);
1281
1282         if (!is_object($user))
1283                 return;
1284
1285         $contact_id = statusnet_fetch_contact($uid, $user, true);
1286
1287         return $contact_id;
1288 }
1289
1290 function statusnet_createpost($a, $uid, $post, $self, $create_user, $only_existing_contact) {
1291
1292         require_once("include/html2bbcode.php");
1293
1294         $api = get_pconfig($uid, 'statusnet', 'baseapi');
1295         $hostname = preg_replace("=https?://([\w\.]*)/.*=ism", "$1", $api);
1296
1297         $postarray = array();
1298         $postarray['network'] = NETWORK_STATUSNET;
1299         $postarray['gravity'] = 0;
1300         $postarray['uid'] = $uid;
1301         $postarray['wall'] = 0;
1302         $postarray['uri'] = $hostname."::".$post->id;
1303
1304         $r = q("SELECT * FROM `item` WHERE `extid` = '%s' AND `uid` = %d LIMIT 1",
1305                         dbesc($postarray['uri']),
1306                         intval($uid)
1307                 );
1308
1309         if (count($r))
1310                 return(array());
1311
1312         $contactid = 0;
1313
1314         if ($post->in_reply_to_status_id != "") {
1315
1316                 $parent = $hostname."::".$post->in_reply_to_status_id;
1317
1318                 $r = q("SELECT * FROM `item` WHERE `uri` = '%s' AND `uid` = %d LIMIT 1",
1319                                 dbesc($parent),
1320                                 intval($uid)
1321                         );
1322                 if (count($r)) {
1323                         $postarray['thr-parent'] = $r[0]["uri"];
1324                         $postarray['parent-uri'] = $r[0]["parent-uri"];
1325                 } else {
1326                         $r = q("SELECT * FROM `item` WHERE `extid` = '%s' AND `uid` = %d LIMIT 1",
1327                                         dbesc($parent),
1328                                         intval($uid)
1329                                 );
1330                         if (count($r)) {
1331                                 $postarray['thr-parent'] = $r[0]['uri'];
1332                                 $postarray['parent-uri'] = $r[0]['parent-uri'];
1333                         } else {
1334                                 $postarray['thr-parent'] = $postarray['uri'];
1335                                 $postarray['parent-uri'] = $postarray['uri'];
1336                         }
1337                 }
1338
1339                 // Is it me?
1340                 $own_url = get_pconfig($uid, 'statusnet', 'own_url');
1341
1342                 if ($post->user->id == $own_url) {
1343                         $r = q("SELECT * FROM `contact` WHERE `self` = 1 AND `uid` = %d LIMIT 1",
1344                                 intval($uid));
1345
1346                         if(count($r)) {
1347                                 $contactid = $r[0]["id"];
1348
1349                                 $postarray['owner-name'] =  $r[0]["name"];
1350                                 $postarray['owner-link'] = $r[0]["url"];
1351                                 $postarray['owner-avatar'] =  $r[0]["photo"];
1352                         } else
1353                                 return(array());
1354                 }
1355         } else
1356                 $postarray['parent-uri'] = $postarray['uri'];
1357
1358         if ($contactid == 0) {
1359                 $contactid = statusnet_fetch_contact($uid, $post->user, $create_user);
1360                 $postarray['owner-name'] = $post->user->name;
1361                 $postarray['owner-link'] = $post->user->statusnet_profile_url;
1362                 $postarray['owner-avatar'] = $post->user->profile_image_url;
1363         }
1364         if(($contactid == 0) AND !$only_existing_contact)
1365                 $contactid = $self['id'];
1366         elseif ($contactid <= 0)
1367                 return(array());
1368
1369         $postarray['contact-id'] = $contactid;
1370
1371         $postarray['verb'] = ACTIVITY_POST;
1372         $postarray['author-name'] = $postarray['owner-name'];
1373         $postarray['author-link'] = $postarray['owner-link'];
1374         $postarray['author-avatar'] = $postarray['owner-avatar'];
1375
1376         // To-Do: Maybe unreliable? Can the api be entered without trailing "/"?
1377         $hostname = str_replace("/api/", "/notice/", get_pconfig($uid, 'statusnet', 'baseapi'));
1378
1379         $postarray['plink'] = $hostname.$post->id;
1380         $postarray['app'] = strip_tags($post->source);
1381
1382         if ($post->user->protected) {
1383                 $postarray['private'] = 1;
1384                 $postarray['allow_cid'] = '<' . $self['id'] . '>';
1385         }
1386
1387         $postarray['body'] = html2bbcode($post->statusnet_html);
1388
1389         $converted = statusnet_convertmsg($a, $postarray['body'], false);
1390         $postarray['body'] = $converted["body"];
1391         $postarray['tag'] = $converted["tags"];
1392
1393         $postarray['created'] = datetime_convert('UTC','UTC',$post->created_at);
1394         $postarray['edited'] = datetime_convert('UTC','UTC',$post->created_at);
1395
1396         if (is_string($post->place->name))
1397                 $postarray["location"] = $post->place->name;
1398
1399         if (is_string($post->place->full_name))
1400                 $postarray["location"] = $post->place->full_name;
1401
1402         if (is_array($post->geo->coordinates))
1403                 $postarray["coord"] = $post->geo->coordinates[0]." ".$post->geo->coordinates[1];
1404
1405         if (is_array($post->coordinates->coordinates))
1406                 $postarray["coord"] = $post->coordinates->coordinates[1]." ".$post->coordinates->coordinates[0];
1407
1408         if (is_object($post->retweeted_status)) {
1409                 $postarray['body'] = html2bbcode($post->retweeted_status->statusnet_html);
1410
1411                 $converted = statusnet_convertmsg($a, $postarray['body'], false);
1412                 $postarray['body'] = $converted["body"];
1413                 $postarray['tag'] = $converted["tags"];
1414
1415                 statusnet_fetch_contact($uid, $post->retweeted_status->user, false);
1416
1417                 // Let retweets look like wall-to-wall posts
1418                 $postarray['author-name'] = $post->retweeted_status->user->name;
1419                 $postarray['author-link'] = $post->retweeted_status->user->statusnet_profile_url;
1420                 $postarray['author-avatar'] = $post->retweeted_status->user->profile_image_url;
1421         }
1422         return($postarray);
1423 }
1424
1425 function statusnet_checknotification($a, $uid, $own_url, $top_item, $postarray) {
1426
1427         $user = q("SELECT * FROM `contact` WHERE `uid` = %d AND `self` LIMIT 1",
1428                         intval($uid)
1429                 );
1430
1431         if(!count($user))
1432                 return;
1433
1434         // Is it me?
1435         if (link_compare($user[0]["url"], $postarray['author-link']))
1436                 return;
1437
1438         $own_user = q("SELECT * FROM `contact` WHERE `uid` = %d AND `alias` = '%s' LIMIT 1",
1439                         intval($uid),
1440                         dbesc($own_url)
1441                 );
1442
1443         if(!count($own_user))
1444                 return;
1445
1446         // Is it me from statusnet?
1447         if (link_compare($own_user[0]["url"], $postarray['author-link']))
1448                 return;
1449
1450         $myconv = q("SELECT `author-link`, `author-avatar`, `parent` FROM `item` WHERE `parent-uri` = '%s' AND `uid` = %d AND `parent` != 0 AND `deleted` = 0",
1451                         dbesc($postarray['parent-uri']),
1452                         intval($uid)
1453                         );
1454
1455         if(count($myconv)) {
1456
1457                 foreach($myconv as $conv) {
1458                         // now if we find a match, it means we're in this conversation
1459
1460                         if(!link_compare($conv['author-link'],$user[0]["url"]) AND !link_compare($conv['author-link'],$own_user[0]["url"]))
1461                                 continue;
1462
1463                         require_once('include/enotify.php');
1464
1465                         $conv_parent = $conv['parent'];
1466
1467                         notification(array(
1468                                 'type'         => NOTIFY_COMMENT,
1469                                 'notify_flags' => $user[0]['notify-flags'],
1470                                 'language'     => $user[0]['language'],
1471                                 'to_name'      => $user[0]['username'],
1472                                 'to_email'     => $user[0]['email'],
1473                                 'uid'          => $user[0]['uid'],
1474                                 'item'         => $postarray,
1475                                 'link'             => $a->get_baseurl() . '/display/' . $user[0]['nickname'] . '/' . $top_item,
1476                                 'source_name'  => $postarray['author-name'],
1477                                 'source_link'  => $postarray['author-link'],
1478                                 'source_photo' => $postarray['author-avatar'],
1479                                 'verb'         => ACTIVITY_POST,
1480                                 'otype'        => 'item',
1481                                 'parent'       => $conv_parent,
1482                         ));
1483
1484                         // only send one notification
1485                         break;
1486                 }
1487         }
1488 }
1489
1490 function statusnet_fetchhometimeline($a, $uid) {
1491         $conversations = array();
1492
1493         $ckey    = get_pconfig($uid, 'statusnet', 'consumerkey');
1494         $csecret = get_pconfig($uid, 'statusnet', 'consumersecret');
1495         $api     = get_pconfig($uid, 'statusnet', 'baseapi');
1496         $otoken  = get_pconfig($uid, 'statusnet', 'oauthtoken');
1497         $osecret = get_pconfig($uid, 'statusnet', 'oauthsecret');
1498         $create_user = get_pconfig($uid, 'statusnet', 'create_user');
1499
1500         // "create_user" is deactivated, since currently you cannot add users manually by now
1501         $create_user = true;
1502
1503         logger("statusnet_fetchhometimeline: Fetching for user ".$uid, LOGGER_DEBUG);
1504
1505         require_once('library/twitteroauth.php');
1506         require_once('include/items.php');
1507
1508         $connection = new StatusNetOAuth($api, $ckey,$csecret,$otoken,$osecret);
1509
1510         $own_contact = statusnet_fetch_own_contact($a, $uid);
1511
1512         $r = q("SELECT * FROM `contact` WHERE `id` = %d AND `uid` = %d LIMIT 1",
1513                 intval($own_contact),
1514                 intval($uid));
1515
1516         if(count($r)) {
1517                 $nick = $r[0]["nick"];
1518         } else {
1519                 logger("statusnet_fetchhometimeline: Own statusnet contact not found for user ".$uid, LOGGER_DEBUG);
1520                 return;
1521         }
1522
1523         $r = q("SELECT * FROM `contact` WHERE `self` = 1 AND `uid` = %d LIMIT 1",
1524                 intval($uid));
1525
1526         if(count($r)) {
1527                 $self = $r[0];
1528         } else {
1529                 logger("statusnet_fetchhometimeline: Own contact not found for user ".$uid, LOGGER_DEBUG);
1530                 return;
1531         }
1532
1533         $u = q("SELECT * FROM user WHERE uid = %d LIMIT 1",
1534                 intval($uid));
1535         if(!count($u)) {
1536                 logger("statusnet_fetchhometimeline: Own user not found for user ".$uid, LOGGER_DEBUG);
1537                 return;
1538         }
1539
1540         $parameters = array("exclude_replies" => false, "trim_user" => false, "contributor_details" => true, "include_rts" => true);
1541         //$parameters["count"] = 200;
1542
1543
1544         // Fetching timeline
1545         $lastid  = get_pconfig($uid, 'statusnet', 'lasthometimelineid');
1546         //$lastid = 1;
1547
1548         $first_time = ($lastid == "");
1549
1550         if ($lastid <> "")
1551                 $parameters["since_id"] = $lastid;
1552
1553         $items = $connection->get('statuses/home_timeline', $parameters);
1554
1555         if (!is_array($items)) {
1556                 logger("statusnet_fetchhometimeline: Error fetching home timeline: ".print_r($items, true), LOGGER_DEBUG);
1557                 return;
1558         }
1559
1560         $posts = array_reverse($items);
1561
1562         logger("statusnet_fetchhometimeline: Fetching timeline for user ".$uid." ".sizeof($posts)." items", LOGGER_DEBUG);
1563
1564         if (count($posts)) {
1565                 foreach ($posts as $post) {
1566
1567                         if ($post->id > $lastid)
1568                                 $lastid = $post->id;
1569
1570                         if ($first_time)
1571                                 continue;
1572
1573                         if (isset($post->statusnet_conversation_id)) {
1574                                 if (!isset($conversations[$post->statusnet_conversation_id])) {
1575                                         statusnet_complete_conversation($a, $uid, $self, $create_user, $nick, $post->statusnet_conversation_id);
1576                                         $conversations[$post->statusnet_conversation_id] = $post->statusnet_conversation_id;
1577                                 }
1578                         } else {
1579                                 $postarray = statusnet_createpost($a, $uid, $post, $self, $create_user, true);
1580
1581                                 if (trim($postarray['body']) == "")
1582                                         continue;
1583
1584                                 $item = item_store($postarray);
1585
1586                                 logger('statusnet_fetchhometimeline: User '.$self["nick"].' posted home timeline item '.$item);
1587
1588                                 if ($item != 0)
1589                                         statusnet_checknotification($a, $uid, $nick, $item, $postarray);
1590                         }
1591
1592                 }
1593         }
1594         set_pconfig($uid, 'statusnet', 'lasthometimelineid', $lastid);
1595
1596         // Fetching mentions
1597         $lastid  = get_pconfig($uid, 'statusnet', 'lastmentionid');
1598         $first_time = ($lastid == "");
1599
1600         if ($lastid <> "")
1601                 $parameters["since_id"] = $lastid;
1602
1603         $items = $connection->get('statuses/mentions_timeline', $parameters);
1604
1605         if (!is_array($items)) {
1606                 logger("statusnet_fetchhometimeline: Error fetching mentions: ".print_r($items, true), LOGGER_DEBUG);
1607                 return;
1608         }
1609
1610         $posts = array_reverse($items);
1611
1612         logger("statusnet_fetchhometimeline: Fetching mentions for user ".$uid." ".sizeof($posts)." items", LOGGER_DEBUG);
1613
1614         if (count($posts)) {
1615                 foreach ($posts as $post) {
1616                         if ($post->id > $lastid)
1617                                 $lastid = $post->id;
1618
1619                         if ($first_time)
1620                                 continue;
1621
1622                         $postarray = statusnet_createpost($a, $uid, $post, $self, false, false);
1623
1624                         if (isset($post->statusnet_conversation_id)) {
1625                                 if (!isset($conversations[$post->statusnet_conversation_id])) {
1626                                         statusnet_complete_conversation($a, $uid, $self, $create_user, $nick, $post->statusnet_conversation_id);
1627                                         $conversations[$post->statusnet_conversation_id] = $post->statusnet_conversation_id;
1628                                 }
1629                         } else {
1630                                 if (trim($postarray['body']) != "") {
1631                                         continue;
1632
1633                                         $item = item_store($postarray);
1634
1635                                         logger('statusnet_fetchhometimeline: User '.$self["nick"].' posted mention timeline item '.$item);
1636                                 }
1637                         }
1638
1639                         $r = q("SELECT * FROM `item` WHERE `uri` = '%s' AND `uid` = %d LIMIT 1",
1640                                 dbesc($postarray['uri']),
1641                                 intval($uid)
1642                         );
1643                         if (count($r))
1644                                 $item = $r[0]['id'];
1645
1646                         if ($item != 0) {
1647                                 require_once('include/enotify.php');
1648                                 notification(array(
1649                                         'type'         => NOTIFY_TAGSELF,
1650                                         'notify_flags' => $u[0]['notify-flags'],
1651                                         'language'     => $u[0]['language'],
1652                                         'to_name'      => $u[0]['username'],
1653                                         'to_email'     => $u[0]['email'],
1654                                         'uid'          => $u[0]['uid'],
1655                                         'item'         => $postarray,
1656                                         'link'         => $a->get_baseurl() . '/display/' . $u[0]['nickname'] . '/' . $item,
1657                                         'source_name'  => $postarray['author-name'],
1658                                         'source_link'  => $postarray['author-link'],
1659                                         'source_photo' => $postarray['author-avatar'],
1660                                         'verb'         => ACTIVITY_TAG,
1661                                         'otype'        => 'item'
1662                                 ));
1663                         }
1664                 }
1665         }
1666
1667         set_pconfig($uid, 'statusnet', 'lastmentionid', $lastid);
1668 }
1669
1670 function statusnet_complete_conversation($a, $uid, $self, $create_user, $nick, $conversation) {
1671         $ckey    = get_pconfig($uid, 'statusnet', 'consumerkey');
1672         $csecret = get_pconfig($uid, 'statusnet', 'consumersecret');
1673         $api     = get_pconfig($uid, 'statusnet', 'baseapi');
1674         $otoken  = get_pconfig($uid, 'statusnet', 'oauthtoken');
1675         $osecret = get_pconfig($uid, 'statusnet', 'oauthsecret');
1676
1677         require_once('library/twitteroauth.php');
1678
1679         $connection = new StatusNetOAuth($api, $ckey,$csecret,$otoken,$osecret);
1680
1681         $parameters["count"] = 200;
1682
1683         $items = $connection->get('statusnet/conversation/'.$conversation, $parameters);
1684         if (is_array($items)) {
1685                 $posts = array_reverse($items);
1686
1687                 foreach($posts AS $post) {
1688                         $postarray = statusnet_createpost($a, $uid, $post, $self, $create_user, true);
1689
1690                         if (trim($postarray['body']) == "")
1691                                 continue;
1692
1693                         //print_r($postarray);
1694                         $item = item_store($postarray);
1695
1696                         logger('statusnet_complete_conversation: User '.$self["nick"].' posted home timeline item '.$item);
1697
1698                         if ($item != 0)
1699                                 statusnet_checknotification($a, $uid, $nick, $item, $postarray);
1700                 }
1701         }
1702 }
1703
1704 function statusnet_convertmsg($a, $body, $no_tags = false) {
1705
1706         require_once("include/oembed.php");
1707         require_once("include/items.php");
1708         require_once("include/network.php");
1709
1710         $URLSearchString = "^\[\]";
1711         $links = preg_match_all("/[^!#@]\[url\=([$URLSearchString]*)\](.*?)\[\/url\]/ism", $body,$matches,PREG_SET_ORDER);
1712
1713         $footer = "";
1714         $footerurl = "";
1715         $type = "";
1716
1717         if ($links) {
1718                 foreach ($matches AS $match) {
1719                         $search = "[url=".$match[1]."]".$match[2]."[/url]";
1720
1721                         $expanded_url = original_url($match[1]);
1722
1723                         $oembed_data = oembed_fetch_url($expanded_url);
1724
1725                         if ($type == "")
1726                                 $type = $oembed_data->type;
1727
1728                         if ($oembed_data->type == "video")
1729                                 $body = str_replace($search, "[video]".$expanded_url."[/video]", $body);
1730                         elseif (($oembed_data->type == "photo") AND isset($oembed_data->url) AND !$dontincludemedia)
1731                                 $body = str_replace($search, "[url=".$expanded_url."][img]".$oembed_data->url."[/img][/url]", $body);
1732                         elseif ($oembed_data->type != "link")
1733                                 $body = str_replace($search,  "[url=".$expanded_url."]".$expanded_url."[/url]", $body);
1734                         else {
1735                                 $img_str = fetch_url($expanded_url, true, $redirects, 4);
1736
1737                                 $tempfile = tempnam(get_config("system","temppath"), "cache");
1738                                 file_put_contents($tempfile, $img_str);
1739                                 $mime = image_type_to_mime_type(exif_imagetype($tempfile));
1740                                 unlink($tempfile);
1741
1742                                 if (substr($mime, 0, 6) == "image/") {
1743                                         $type = "photo";
1744                                         $body = str_replace($search, "[img]".$expanded_url."[/img]", $body);
1745                                 } else {
1746                                         $type = $oembed_data->type;
1747                                         $footerurl = $expanded_url;
1748                                         $footerlink = "[url=".$expanded_url."]".$expanded_url."[/url]";
1749
1750                                         $body = str_replace($search, $expanded_url, $body);
1751                                 }
1752                         }
1753                 }
1754
1755                 if ($footerurl != "")
1756                         $footer = add_page_info($footerurl);
1757
1758                 if (($footerlink != "") AND (trim($footer) != "")) {
1759                         $removedlink = trim(str_replace($footerlink, "", $body));
1760
1761                         if (strstr($body, $removedlink))
1762                                 $body = $removedlink;
1763
1764                         $body .= $footer;
1765                 }
1766         }
1767
1768         if ($no_tags)
1769                 return(array("body" => $body, "tags" => ""));
1770
1771         $str_tags = '';
1772
1773         $cnt = preg_match_all("/([!#@])\[url\=([$URLSearchString]*)\](.*?)\[\/url\]/ism",$body,$matches,PREG_SET_ORDER);
1774         if($cnt) {
1775                 foreach($matches as $mtch) {
1776                         if(strlen($str_tags))
1777                                 $str_tags .= ',';
1778
1779                         if ($mtch[1] == "#") {
1780                                 // Replacing the hash tags that are directed to the statusnet server with internal links
1781                                 $snhash = "#[url=".$mtch[2]."]".$mtch[3]."[/url]";
1782                                 $frdchash = '#[url='.$a->get_baseurl().'/search?tag='.rawurlencode($mtch[3]).']'.$mtch[3].'[/url]';
1783                                 $body = str_replace($snhash, $frdchash, $body);
1784
1785                                 $str_tags .= $frdchash;
1786                         } else
1787                                 $str_tags .= "@[url=".$mtch[2]."]".$mtch[3]."[/url]";
1788                                 // To-Do:
1789                                 // There is a problem with links with to statusnet groups, so these links are stored with "@" like friendica groups
1790                                 //$str_tags .= $mtch[1]."[url=".$mtch[2]."]".$mtch[3]."[/url]";
1791                 }
1792         }
1793
1794         return(array("body"=>$body, "tags"=>$str_tags));
1795
1796 }
1797
1798 function statusnet_fetch_own_contact($a, $uid) {
1799         $ckey    = get_pconfig($uid, 'statusnet', 'consumerkey');
1800         $csecret = get_pconfig($uid, 'statusnet', 'consumersecret');
1801         $api     = get_pconfig($uid, 'statusnet', 'baseapi');
1802         $otoken  = get_pconfig($uid, 'statusnet', 'oauthtoken');
1803         $osecret = get_pconfig($uid, 'statusnet', 'oauthsecret');
1804         $own_url = get_pconfig($uid, 'statusnet', 'own_url');
1805
1806         $contact_id = 0;
1807
1808         if ($own_url == "") {
1809                 require_once('library/twitteroauth.php');
1810
1811                 $connection = new StatusNetOAuth($api, $ckey,$csecret,$otoken,$osecret);
1812
1813                 // Fetching user data
1814                 $user = $connection->get('account/verify_credentials');
1815
1816                 set_pconfig($uid, 'statusnet', 'own_url', normalise_link($user->statusnet_profile_url));
1817
1818                 $contact_id = statusnet_fetch_contact($uid, $user, true);
1819
1820         } else {
1821                 $r = q("SELECT * FROM `contact` WHERE `uid` = %d AND `alias` = '%s' LIMIT 1",
1822                         intval($uid), dbesc($own_url));
1823                 if(count($r))
1824                         $contact_id = $r[0]["id"];
1825                 else
1826                         del_pconfig($uid, 'statusnet', 'own_url');
1827
1828         }
1829         return($contact_id);
1830 }
1831
1832 function statusnet_is_retweet($a, $uid, $body) {
1833         $body = trim($body);
1834
1835         // Skip if it isn't a pure repeated messages
1836         // Does it start with a share?
1837         if (strpos($body, "[share") > 0)
1838                 return(false);
1839
1840         // Does it end with a share?
1841         if (strlen($body) > (strrpos($body, "[/share]") + 8))
1842                 return(false);
1843
1844         $attributes = preg_replace("/\[share(.*?)\]\s?(.*?)\s?\[\/share\]\s?/ism","$1",$body);
1845         // Skip if there is no shared message in there
1846         if ($body == $attributes)
1847                 return(false);
1848
1849         $link = "";
1850         preg_match("/link='(.*?)'/ism", $attributes, $matches);
1851         if ($matches[1] != "")
1852                 $link = $matches[1];
1853
1854         preg_match('/link="(.*?)"/ism', $attributes, $matches);
1855         if ($matches[1] != "")
1856                 $link = $matches[1];
1857
1858         $ckey    = get_pconfig($uid, 'statusnet', 'consumerkey');
1859         $csecret = get_pconfig($uid, 'statusnet', 'consumersecret');
1860         $api     = get_pconfig($uid, 'statusnet', 'baseapi');
1861         $otoken  = get_pconfig($uid, 'statusnet', 'oauthtoken');
1862         $osecret = get_pconfig($uid, 'statusnet', 'oauthsecret');
1863         $hostname = preg_replace("=https?://([\w\.]*)/.*=ism", "$1", $api);
1864
1865         $id = preg_replace("=https?://".$hostname."/notice/(.*)=ism", "$1", $link);
1866
1867         if ($id == $link)
1868                 return(false);
1869
1870         logger('statusnet_is_retweet: Retweeting id '.$id.' for user '.$uid, LOGGER_DEBUG);
1871
1872         $connection = new StatusNetOAuth($api, $ckey,$csecret,$otoken,$osecret);
1873
1874         $result = $connection->post('statuses/retweet/'.$id);
1875
1876         logger('statusnet_is_retweet: result '.print_r($result, true), LOGGER_DEBUG);
1877         return(isset($result->id));
1878 }