statusnet/statusnet.php

   1 <?php
   2
   3 /**
   4  * Name: GNU Social Connector
   5  * Description: Bidirectional (posting, relaying and reading) connector for GNU Social.
   6  * Version: 1.0.5
   7  * Author: Tobias Diekershoff <https://f.diekershoff.de/profile/tobias>
   8  * Author: Michael Vogel <https://pirati.ca/profile/heluecht>
   9  *
  10  * Copyright (c) 2011-2013 Tobias Diekershoff, Michael Vogel
  11  * All rights reserved.
  12  *
  13  * Redistribution and use in source and binary forms, with or without
  14  * modification, are permitted provided that the following conditions are met:
  15  *    * Redistributions of source code must retain the above copyright notice,
  16  *     this list of conditions and the following disclaimer.
  17  *    * Redistributions in binary form must reproduce the above
  18  *    * copyright notice, this list of conditions and the following disclaimer in
  19  *      the documentation and/or other materials provided with the distribution.
  20  *    * Neither the name of the <organization> nor the names of its contributors
  21  *      may be used to endorse or promote products derived from this software
  22  *      without specific prior written permission.
  23  *
  24  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
  25  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
  26  * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
  27  * DISCLAIMED. IN NO EVENT SHALL <COPYRIGHT HOLDER> BE LIABLE FOR ANY DIRECT,
  28  * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
  29  * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  30  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
  31  * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
  32  * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
  33  * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  34  *
  35  */
  36 define('STATUSNET_DEFAULT_POLL_INTERVAL', 5); // given in minutes
  37
  38 require_once __DIR__ . DIRECTORY_SEPARATOR . 'library' . DIRECTORY_SEPARATOR . 'statusnetoauth.php';
  39 use CodebirdSN\CodebirdSN;
  40 use Friendica\App;
  41 use Friendica\Content\OEmbed;
  42 use Friendica\Content\Text\HTML;
  43 use Friendica\Content\Text\Plaintext;
  44 use Friendica\Core\Config;
  45 use Friendica\Core\Hook;
  46 use Friendica\Core\L10n;
  47 use Friendica\Core\Logger;
  48 use Friendica\Core\PConfig;
  49 use Friendica\Core\Protocol;
  50 use Friendica\Core\Renderer;
  51 use Friendica\Core\System;
  52 use Friendica\Database\DBA;
  53 use Friendica\Model\Contact;
  54 use Friendica\Model\GContact;
  55 use Friendica\Model\Group;
  56 use Friendica\Model\Item;
  57 use Friendica\Model\ItemContent;
  58 use Friendica\Model\Photo;
  59 use Friendica\Model\User;
  60 use Friendica\Util\DateTimeFormat;
  61 use Friendica\Util\Network;
  62 use Friendica\Util\Strings;
  63
  64 function statusnet_install()
  65 {
  66         //  we need some hooks, for the configuration and for sending tweets
  67         Hook::register('connector_settings', 'addon/statusnet/statusnet.php', 'statusnet_settings');
  68         Hook::register('connector_settings_post', 'addon/statusnet/statusnet.php', 'statusnet_settings_post');
  69         Hook::register('notifier_normal', 'addon/statusnet/statusnet.php', 'statusnet_post_hook');
  70         Hook::register('hook_fork', 'addon/statusnet/statusnet.php', 'statusnet_hook_fork');
  71         Hook::register('post_local', 'addon/statusnet/statusnet.php', 'statusnet_post_local');
  72         Hook::register('jot_networks', 'addon/statusnet/statusnet.php', 'statusnet_jot_nets');
  73         Hook::register('cron', 'addon/statusnet/statusnet.php', 'statusnet_cron');
  74         Hook::register('prepare_body', 'addon/statusnet/statusnet.php', 'statusnet_prepare_body');
  75         Hook::register('check_item_notification', 'addon/statusnet/statusnet.php', 'statusnet_check_item_notification');
  76         Logger::log("installed GNU Social");
  77 }
  78
  79 function statusnet_uninstall()
  80 {
  81         Hook::unregister('connector_settings', 'addon/statusnet/statusnet.php', 'statusnet_settings');
  82         Hook::unregister('connector_settings_post', 'addon/statusnet/statusnet.php', 'statusnet_settings_post');
  83         Hook::unregister('notifier_normal', 'addon/statusnet/statusnet.php', 'statusnet_post_hook');
  84         Hook::unregister('hook_fork', 'addon/statusnet/statusnet.php', 'statusnet_hook_fork');
  85         Hook::unregister('post_local', 'addon/statusnet/statusnet.php', 'statusnet_post_local');
  86         Hook::unregister('jot_networks', 'addon/statusnet/statusnet.php', 'statusnet_jot_nets');
  87         Hook::unregister('cron', 'addon/statusnet/statusnet.php', 'statusnet_cron');
  88         Hook::unregister('prepare_body', 'addon/statusnet/statusnet.php', 'statusnet_prepare_body');
  89         Hook::unregister('check_item_notification', 'addon/statusnet/statusnet.php', 'statusnet_check_item_notification');
  90
  91         // old setting - remove only
  92         Hook::unregister('post_local_end', 'addon/statusnet/statusnet.php', 'statusnet_post_hook');
  93         Hook::unregister('addon_settings', 'addon/statusnet/statusnet.php', 'statusnet_settings');
  94         Hook::unregister('addon_settings_post', 'addon/statusnet/statusnet.php', 'statusnet_settings_post');
  95 }
  96
  97 function statusnet_check_item_notification(App $a, &$notification_data)
  98 {
  99         if (PConfig::get($notification_data["uid"], 'statusnet', 'post')) {
 100                 $notification_data["profiles"][] = PConfig::get($notification_data["uid"], 'statusnet', 'own_url');
 101         }
 102 }
 103
 104 function statusnet_jot_nets(App $a, &$b)
 105 {
 106         if (!local_user()) {
 107                 return;
 108         }
 109
 110         $statusnet_post = PConfig::get(local_user(), 'statusnet', 'post');
 111         if (intval($statusnet_post) == 1) {
 112                 $statusnet_defpost = PConfig::get(local_user(), 'statusnet', 'post_by_default');
 113                 $selected = ((intval($statusnet_defpost) == 1) ? ' checked="checked" ' : '');
 114                 $b .= '<div class="profile-jot-net"><input type="checkbox" name="statusnet_enable"' . $selected . ' value="1" /> '
 115                         . L10n::t('Post to GNU Social') . '</div>';
 116         }
 117 }
 118
 119 function statusnet_settings_post(App $a, $post)
 120 {
 121         if (!local_user()) {
 122                 return;
 123         }
 124         // don't check GNU Social settings if GNU Social submit button is not clicked
 125         if (empty($_POST['statusnet-submit'])) {
 126                 return;
 127         }
 128
 129         if (isset($_POST['statusnet-disconnect'])) {
 130                 /*               * *
 131                  * if the GNU Social-disconnect checkbox is set, clear the GNU Social configuration
 132                  */
 133                 PConfig::delete(local_user(), 'statusnet', 'consumerkey');
 134                 PConfig::delete(local_user(), 'statusnet', 'consumersecret');
 135                 PConfig::delete(local_user(), 'statusnet', 'post');
 136                 PConfig::delete(local_user(), 'statusnet', 'post_by_default');
 137                 PConfig::delete(local_user(), 'statusnet', 'oauthtoken');
 138                 PConfig::delete(local_user(), 'statusnet', 'oauthsecret');
 139                 PConfig::delete(local_user(), 'statusnet', 'baseapi');
 140                 PConfig::delete(local_user(), 'statusnet', 'lastid');
 141                 PConfig::delete(local_user(), 'statusnet', 'mirror_posts');
 142                 PConfig::delete(local_user(), 'statusnet', 'import');
 143                 PConfig::delete(local_user(), 'statusnet', 'create_user');
 144                 PConfig::delete(local_user(), 'statusnet', 'own_url');
 145         } else {
 146                 if (isset($_POST['statusnet-preconf-apiurl'])) {
 147                         /*                       * *
 148                          * If the user used one of the preconfigured GNU Social server credentials
 149                          * use them. All the data are available in the global config.
 150                          * Check the API Url never the less and blame the admin if it's not working ^^
 151                          */
 152                         $globalsn = Config::get('statusnet', 'sites');
 153                         foreach ($globalsn as $asn) {
 154                                 if ($asn['apiurl'] == $_POST['statusnet-preconf-apiurl']) {
 155                                         $apibase = $asn['apiurl'];
 156                                         $c = Network::fetchUrl($apibase . 'statusnet/version.xml');
 157                                         if (strlen($c) > 0) {
 158                                                 PConfig::set(local_user(), 'statusnet', 'consumerkey', $asn['consumerkey']);
 159                                                 PConfig::set(local_user(), 'statusnet', 'consumersecret', $asn['consumersecret']);
 160                                                 PConfig::set(local_user(), 'statusnet', 'baseapi', $asn['apiurl']);
 161                                                 //PConfig::set(local_user(), 'statusnet', 'application_name', $asn['applicationname'] );
 162                                         } else {
 163                                                 notice(L10n::t('Please contact your site administrator.<br />The provided API URL is not valid.') . EOL . $asn['apiurl'] . EOL);
 164                                         }
 165                                 }
 166                         }
 167                         System::redirect('settings/connectors');
 168                 } else {
 169                         if (isset($_POST['statusnet-consumersecret'])) {
 170                                 //  check if we can reach the API of the GNU Social server
 171                                 //  we'll check the API Version for that, if we don't get one we'll try to fix the path but will
 172                                 //  resign quickly after this one try to fix the path ;-)
 173                                 $apibase = $_POST['statusnet-baseapi'];
 174                                 $c = Network::fetchUrl($apibase . 'statusnet/version.xml');
 175                                 if (strlen($c) > 0) {
 176                                         //  ok the API path is correct, let's save the settings
 177                                         PConfig::set(local_user(), 'statusnet', 'consumerkey', $_POST['statusnet-consumerkey']);
 178                                         PConfig::set(local_user(), 'statusnet', 'consumersecret', $_POST['statusnet-consumersecret']);
 179                                         PConfig::set(local_user(), 'statusnet', 'baseapi', $apibase);
 180                                         //PConfig::set(local_user(), 'statusnet', 'application_name', $_POST['statusnet-applicationname'] );
 181                                 } else {
 182                                         //  the API path is not correct, maybe missing trailing / ?
 183                                         $apibase = $apibase . '/';
 184                                         $c = Network::fetchUrl($apibase . 'statusnet/version.xml');
 185                                         if (strlen($c) > 0) {
 186                                                 //  ok the API path is now correct, let's save the settings
 187                                                 PConfig::set(local_user(), 'statusnet', 'consumerkey', $_POST['statusnet-consumerkey']);
 188                                                 PConfig::set(local_user(), 'statusnet', 'consumersecret', $_POST['statusnet-consumersecret']);
 189                                                 PConfig::set(local_user(), 'statusnet', 'baseapi', $apibase);
 190                                         } else {
 191                                                 //  still not the correct API base, let's do noting
 192                                                 notice(L10n::t('We could not contact the GNU Social API with the Path you entered.') . EOL);
 193                                         }
 194                                 }
 195                                 System::redirect('settings/connectors');
 196                         } else {
 197                                 if (isset($_POST['statusnet-pin'])) {
 198                                         //  if the user supplied us with a PIN from GNU Social, let the magic of OAuth happen
 199                                         $api = PConfig::get(local_user(), 'statusnet', 'baseapi');
 200                                         $ckey = PConfig::get(local_user(), 'statusnet', 'consumerkey');
 201                                         $csecret = PConfig::get(local_user(), 'statusnet', 'consumersecret');
 202                                         //  the token and secret for which the PIN was generated were hidden in the settings
 203                                         //  form as token and token2, we need a new connection to GNU Social using these token
 204                                         //  and secret to request a Access Token with the PIN
 205                                         $connection = new StatusNetOAuth($api, $ckey, $csecret, $_POST['statusnet-token'], $_POST['statusnet-token2']);
 206                                         $token = $connection->getAccessToken($_POST['statusnet-pin']);
 207                                         //  ok, now that we have the Access Token, save them in the user config
 208                                         PConfig::set(local_user(), 'statusnet', 'oauthtoken', $token['oauth_token']);
 209                                         PConfig::set(local_user(), 'statusnet', 'oauthsecret', $token['oauth_token_secret']);
 210                                         PConfig::set(local_user(), 'statusnet', 'post', 1);
 211                                         PConfig::set(local_user(), 'statusnet', 'post_taglinks', 1);
 212                                         //  reload the Addon Settings page, if we don't do it see Bug #42
 213                                         System::redirect('settings/connectors');
 214                                 } else {
 215                                         //  if no PIN is supplied in the POST variables, the user has changed the setting
 216                                         //  to post a dent for every new __public__ posting to the wall
 217                                         PConfig::set(local_user(), 'statusnet', 'post', intval($_POST['statusnet-enable']));
 218                                         PConfig::set(local_user(), 'statusnet', 'post_by_default', intval($_POST['statusnet-default']));
 219                                         PConfig::set(local_user(), 'statusnet', 'mirror_posts', intval($_POST['statusnet-mirror']));
 220                                         PConfig::set(local_user(), 'statusnet', 'import', intval($_POST['statusnet-import']));
 221                                         PConfig::set(local_user(), 'statusnet', 'create_user', intval($_POST['statusnet-create_user']));
 222
 223                                         if (!intval($_POST['statusnet-mirror']))
 224                                                 PConfig::delete(local_user(), 'statusnet', 'lastid');
 225
 226                                         info(L10n::t('GNU Social settings updated.') . EOL);
 227                                 }
 228                         }
 229                 }
 230         }
 231 }
 232
 233 function statusnet_settings(App $a, &$s)
 234 {
 235         if (!local_user()) {
 236                 return;
 237         }
 238         $a->page['htmlhead'] .= '<link rel="stylesheet"  type="text/css" href="' . $a->getBaseURL() . '/addon/statusnet/statusnet.css' . '" media="all" />' . "\r\n";
 239         /*       * *
 240          * 1) Check that we have a base api url and a consumer key & secret
 241          * 2) If no OAuthtoken & stuff is present, generate button to get some
 242          *    allow the user to cancel the connection process at this step
 243          * 3) Checkbox for "Send public notices (respect size limitation)
 244          */
 245         $api     = PConfig::get(local_user(), 'statusnet', 'baseapi');
 246         $ckey    = PConfig::get(local_user(), 'statusnet', 'consumerkey');
 247         $csecret = PConfig::get(local_user(), 'statusnet', 'consumersecret');
 248         $otoken  = PConfig::get(local_user(), 'statusnet', 'oauthtoken');
 249         $osecret = PConfig::get(local_user(), 'statusnet', 'oauthsecret');
 250         $enabled = PConfig::get(local_user(), 'statusnet', 'post');
 251         $checked = (($enabled) ? ' checked="checked" ' : '');
 252         $defenabled = PConfig::get(local_user(), 'statusnet', 'post_by_default');
 253         $defchecked = (($defenabled) ? ' checked="checked" ' : '');
 254         $mirrorenabled = PConfig::get(local_user(), 'statusnet', 'mirror_posts');
 255         $mirrorchecked = (($mirrorenabled) ? ' checked="checked" ' : '');
 256         $import = PConfig::get(local_user(), 'statusnet', 'import');
 257         $importselected = ["", "", ""];
 258         $importselected[$import] = ' selected="selected"';
 259         //$importenabled = PConfig::get(local_user(),'statusnet','import');
 260         //$importchecked = (($importenabled) ? ' checked="checked" ' : '');
 261         $create_userenabled = PConfig::get(local_user(), 'statusnet', 'create_user');
 262         $create_userchecked = (($create_userenabled) ? ' checked="checked" ' : '');
 263
 264         $css = (($enabled) ? '' : '-disabled');
 265
 266         $s .= '<span id="settings_statusnet_inflated" class="settings-block fakelink" style="display: block;" onclick="openClose(\'settings_statusnet_expanded\'); openClose(\'settings_statusnet_inflated\');">';
 267         $s .= '<img class="connector' . $css . '" src="images/gnusocial.png" /><h3 class="connector">' . L10n::t('GNU Social Import/Export/Mirror') . '</h3>';
 268         $s .= '</span>';
 269         $s .= '<div id="settings_statusnet_expanded" class="settings-block" style="display: none;">';
 270         $s .= '<span class="fakelink" onclick="openClose(\'settings_statusnet_expanded\'); openClose(\'settings_statusnet_inflated\');">';
 271         $s .= '<img class="connector' . $css . '" src="images/gnusocial.png" /><h3 class="connector">' . L10n::t('GNU Social Import/Export/Mirror') . '</h3>';
 272         $s .= '</span>';
 273
 274         if ((!$ckey) && (!$csecret)) {
 275                 /*               * *
 276                  * no consumer keys
 277                  */
 278                 $globalsn = Config::get('statusnet', 'sites');
 279                 /*               * *
 280                  * lets check if we have one or more globally configured GNU Social
 281                  * server OAuth credentials in the configuration. If so offer them
 282                  * with a little explanation to the user as choice - otherwise
 283                  * ignore this option entirely.
 284                  */
 285                 if (!$globalsn == null) {
 286                         $s .= '<h4>' . L10n::t('Globally Available GNU Social OAuthKeys') . '</h4>';
 287                         $s .= '<p>' . L10n::t("There are preconfigured OAuth key pairs for some GNU Social servers available. If you are using one of them, please use these credentials. If not feel free to connect to any other GNU Social instance \x28see below\x29.") . '</p>';
 288                         $s .= '<div id="statusnet-preconf-wrapper">';
 289                         foreach ($globalsn as $asn) {
 290                                 $s .= '<input type="radio" name="statusnet-preconf-apiurl" value="' . $asn['apiurl'] . '">' . $asn['sitename'] . '<br />';
 291                         }
 292                         $s .= '<p></p><div class="clear"></div></div>';
 293                         $s .= '<div class="settings-submit-wrapper" ><input type="submit" name="statusnet-submit" class="settings-submit" value="' . L10n::t('Save Settings') . '" /></div>';
 294                 }
 295                 $s .= '<h4>' . L10n::t('Provide your own OAuth Credentials') . '</h4>';
 296                 $s .= '<p>' . L10n::t('No consumer key pair for GNU Social found. Register your Friendica Account as an desktop client on your GNU Social 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 GNU Social installation.') . '</p>';
 297                 $s .= '<div id="statusnet-consumer-wrapper">';
 298                 $s .= '<label id="statusnet-consumerkey-label" for="statusnet-consumerkey">' . L10n::t('OAuth Consumer Key') . '</label>';
 299                 $s .= '<input id="statusnet-consumerkey" type="text" name="statusnet-consumerkey" size="35" /><br />';
 300                 $s .= '<div class="clear"></div>';
 301                 $s .= '<label id="statusnet-consumersecret-label" for="statusnet-consumersecret">' . L10n::t('OAuth Consumer Secret') . '</label>';
 302                 $s .= '<input id="statusnet-consumersecret" type="text" name="statusnet-consumersecret" size="35" /><br />';
 303                 $s .= '<div class="clear"></div>';
 304                 $s .= '<label id="statusnet-baseapi-label" for="statusnet-baseapi">' . L10n::t("Base API Path \x28remember the trailing /\x29") . '</label>';
 305                 $s .= '<input id="statusnet-baseapi" type="text" name="statusnet-baseapi" size="35" /><br />';
 306                 $s .= '<div class="clear"></div>';
 307                 //$s .= '<label id="statusnet-applicationname-label" for="statusnet-applicationname">'.L10n::t('GNU Socialapplication name').'</label>';
 308                 //$s .= '<input id="statusnet-applicationname" type="text" name="statusnet-applicationname" size="35" /><br />';
 309                 $s .= '<p></p><div class="clear"></div>';
 310                 $s .= '<div class="settings-submit-wrapper" ><input type="submit" name="statusnet-submit" class="settings-submit" value="' . L10n::t('Save Settings') . '" /></div>';
 311                 $s .= '</div>';
 312         } else {
 313                 /*               * *
 314                  * ok we have a consumer key pair now look into the OAuth stuff
 315                  */
 316                 if ((!$otoken) && (!$osecret)) {
 317                         /*                       * *
 318                          * the user has not yet connected the account to GNU Social
 319                          * get a temporary OAuth key/secret pair and display a button with
 320                          * which the user can request a PIN to connect the account to a
 321                          * account at GNU Social
 322                          */
 323                         $connection = new StatusNetOAuth($api, $ckey, $csecret);
 324                         $request_token = $connection->getRequestToken('oob');
 325                         $token = $request_token['oauth_token'];
 326                         /*                       * *
 327                          *  make some nice form
 328                          */
 329                         $s .= '<p>' . L10n::t('To connect to your GNU Social account click the button below to get a security code from GNU Social which you have to copy into the input box below and submit the form. Only your <strong>public</strong> posts will be posted to GNU Social.') . '</p>';
 330                         $s .= '<a href="' . $connection->getAuthorizeURL($token, False) . '" target="_statusnet"><img src="addon/statusnet/signinwithstatusnet.png" alt="' . L10n::t('Log in with GNU Social') . '"></a>';
 331                         $s .= '<div id="statusnet-pin-wrapper">';
 332                         $s .= '<label id="statusnet-pin-label" for="statusnet-pin">' . L10n::t('Copy the security code from GNU Social here') . '</label>';
 333                         $s .= '<input id="statusnet-pin" type="text" name="statusnet-pin" />';
 334                         $s .= '<input id="statusnet-token" type="hidden" name="statusnet-token" value="' . $token . '" />';
 335                         $s .= '<input id="statusnet-token2" type="hidden" name="statusnet-token2" value="' . $request_token['oauth_token_secret'] . '" />';
 336                         $s .= '</div><div class="clear"></div>';
 337                         $s .= '<div class="settings-submit-wrapper" ><input type="submit" name="statusnet-submit" class="settings-submit" value="' . L10n::t('Save Settings') . '" /></div>';
 338                         $s .= '<h4>' . L10n::t('Cancel Connection Process') . '</h4>';
 339                         $s .= '<div id="statusnet-cancel-wrapper">';
 340                         $s .= '<p>' . L10n::t('Current GNU Social API is') . ': ' . $api . '</p>';
 341                         $s .= '<label id="statusnet-cancel-label" for="statusnet-cancel">' . L10n::t('Cancel GNU Social Connection') . '</label>';
 342                         $s .= '<input id="statusnet-cancel" type="checkbox" name="statusnet-disconnect" value="1" />';
 343                         $s .= '</div><div class="clear"></div>';
 344                         $s .= '<div class="settings-submit-wrapper" ><input type="submit" name="statusnet-submit" class="settings-submit" value="' . L10n::t('Save Settings') . '" /></div>';
 345                 } else {
 346                         /*                       * *
 347                          *  we have an OAuth key / secret pair for the user
 348                          *  so let's give a chance to disable the postings to GNU Social
 349                          */
 350                         $connection = new StatusNetOAuth($api, $ckey, $csecret, $otoken, $osecret);
 351                         $details = $connection->get('account/verify_credentials');
 352                         if (!empty($details)) {
 353                                 $s .= '<div id="statusnet-info" ><img id="statusnet-avatar" src="' . $details->profile_image_url . '" /><p id="statusnet-info-block">' . L10n::t('Currently connected to: ') . '<a href="' . $details->statusnet_profile_url . '" target="_statusnet">' . $details->screen_name . '</a><br /><em>' . $details->description . '</em></p></div>';
 354                         }
 355                         $s .= '<p>' . L10n::t('If enabled all your <strong>public</strong> postings can be posted to the associated GNU Social account. You can choose to do so by default (here) or for every posting separately in the posting options when writing the entry.') . '</p>';
 356                         if ($a->user['hidewall']) {
 357                                 $s .= '<p>' . L10n::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 GNU Social will lead the visitor to a blank page informing the visitor that the access to your profile has been restricted.') . '</p>';
 358                         }
 359                         $s .= '<div id="statusnet-enable-wrapper">';
 360                         $s .= '<label id="statusnet-enable-label" for="statusnet-checkbox">' . L10n::t('Allow posting to GNU Social') . '</label>';
 361                         $s .= '<input id="statusnet-checkbox" type="checkbox" name="statusnet-enable" value="1" ' . $checked . '/>';
 362                         $s .= '<div class="clear"></div>';
 363                         $s .= '<label id="statusnet-default-label" for="statusnet-default">' . L10n::t('Send public postings to GNU Social by default') . '</label>';
 364                         $s .= '<input id="statusnet-default" type="checkbox" name="statusnet-default" value="1" ' . $defchecked . '/>';
 365                         $s .= '<div class="clear"></div>';
 366
 367                         $s .= '<label id="statusnet-mirror-label" for="statusnet-mirror">' . L10n::t('Mirror all posts from GNU Social that are no replies or repeated messages') . '</label>';
 368                         $s .= '<input id="statusnet-mirror" type="checkbox" name="statusnet-mirror" value="1" ' . $mirrorchecked . '/>';
 369
 370                         $s .= '<div class="clear"></div>';
 371                         $s .= '</div>';
 372
 373                         $s .= '<label id="statusnet-import-label" for="statusnet-import">' . L10n::t('Import the remote timeline') . '</label>';
 374                         //$s .= '<input id="statusnet-import" type="checkbox" name="statusnet-import" value="1" '. $importchecked . '/>';
 375
 376                         $s .= '<select name="statusnet-import" id="statusnet-import" />';
 377                         $s .= '<option value="0" ' . $importselected[0] . '>' . L10n::t("Disabled") . '</option>';
 378                         $s .= '<option value="1" ' . $importselected[1] . '>' . L10n::t("Full Timeline") . '</option>';
 379                         $s .= '<option value="2" ' . $importselected[2] . '>' . L10n::t("Only Mentions") . '</option>';
 380                         $s .= '</select>';
 381                         $s .= '<div class="clear"></div>';
 382                         /*
 383                           $s .= '<label id="statusnet-create_user-label" for="statusnet-create_user">'.L10n::t('Automatically create contacts').'</label>';
 384                           $s .= '<input id="statusnet-create_user" type="checkbox" name="statusnet-create_user" value="1" '. $create_userchecked . '/>';
 385                           $s .= '<div class="clear"></div>';
 386                          */
 387                         $s .= '<div id="statusnet-disconnect-wrapper">';
 388                         $s .= '<label id="statusnet-disconnect-label" for="statusnet-disconnect">' . L10n::t('Clear OAuth configuration') . '</label>';
 389                         $s .= '<input id="statusnet-disconnect" type="checkbox" name="statusnet-disconnect" value="1" />';
 390                         $s .= '</div><div class="clear"></div>';
 391                         $s .= '<div class="settings-submit-wrapper" ><input type="submit" name="statusnet-submit" class="settings-submit" value="' . L10n::t('Save Settings') . '" /></div>';
 392                 }
 393         }
 394         $s .= '</div><div class="clear"></div>';
 395 }
 396
 397 function statusnet_hook_fork(App $a, array &$b)
 398 {
 399         if ($b['name'] != 'notifier_normal') {
 400                 return;
 401         }
 402
 403         $post = $b['data'];
 404
 405         // Deleting and editing is not supported by the addon
 406         if ($post['deleted'] || ($post['created'] !== $post['edited'])) {
 407                 $b['execute'] = false;
 408                 return;
 409         }
 410
 411         // if post comes from GNU Social don't send it back
 412         if ($post['extid'] == Protocol::STATUSNET) {
 413                 $b['execute'] = false;
 414                 return;
 415         }
 416
 417         if ($post['app'] == 'StatusNet') {
 418                 $b['execute'] = false;
 419                 return;
 420         }
 421
 422         if (PConfig::get($post['uid'], 'statusnet', 'import')) {
 423                 // Don't fork if it isn't a reply to a GNU Social post
 424                 if (($post['parent'] != $post['id']) && !Item::exists(['id' => $post['parent'], 'network' => Protocol::STATUSNET])) {
 425                         Logger::log('No GNU Social parent found for item ' . $post['id']);
 426                         $b['execute'] = false;
 427                         return;
 428                 }
 429         } else {
 430                 // Comments are never exported when we don't import the GNU Social timeline
 431                 if (!strstr($post['postopts'], 'statusnet') || ($post['parent'] != $post['id']) || $post['private']) {
 432                         $b['execute'] = false;
 433                         return;
 434                 }
 435         }
 436 }
 437
 438 function statusnet_post_local(App $a, &$b)
 439 {
 440         if ($b['edit']) {
 441                 return;
 442         }
 443
 444         if (!local_user() || (local_user() != $b['uid'])) {
 445                 return;
 446         }
 447
 448         $statusnet_post = PConfig::get(local_user(), 'statusnet', 'post');
 449         $statusnet_enable = (($statusnet_post && !empty($_REQUEST['statusnet_enable'])) ? intval($_REQUEST['statusnet_enable']) : 0);
 450
 451         // if API is used, default to the chosen settings
 452         if ($b['api_source'] && intval(PConfig::get(local_user(), 'statusnet', 'post_by_default'))) {
 453                 $statusnet_enable = 1;
 454         }
 455
 456         if (!$statusnet_enable) {
 457                 return;
 458         }
 459
 460         if (strlen($b['postopts'])) {
 461                 $b['postopts'] .= ',';
 462         }
 463
 464         $b['postopts'] .= 'statusnet';
 465 }
 466
 467 function statusnet_action(App $a, $uid, $pid, $action)
 468 {
 469         $api = PConfig::get($uid, 'statusnet', 'baseapi');
 470         $ckey = PConfig::get($uid, 'statusnet', 'consumerkey');
 471         $csecret = PConfig::get($uid, 'statusnet', 'consumersecret');
 472         $otoken = PConfig::get($uid, 'statusnet', 'oauthtoken');
 473         $osecret = PConfig::get($uid, 'statusnet', 'oauthsecret');
 474
 475         $connection = new StatusNetOAuth($api, $ckey, $csecret, $otoken, $osecret);
 476
 477         Logger::log("statusnet_action '" . $action . "' ID: " . $pid, Logger::DATA);
 478
 479         switch ($action) {
 480                 case "delete":
 481                         $result = $connection->post("statuses/destroy/" . $pid);
 482                         break;
 483                 case "like":
 484                         $result = $connection->post("favorites/create/" . $pid);
 485                         break;
 486                 case "unlike":
 487                         $result = $connection->post("favorites/destroy/" . $pid);
 488                         break;
 489         }
 490         Logger::log("statusnet_action '" . $action . "' send, result: " . print_r($result, true), Logger::DEBUG);
 491 }
 492
 493 function statusnet_post_hook(App $a, &$b)
 494 {
 495         /**
 496          * Post to GNU Social
 497          */
 498         if (!PConfig::get($b["uid"], 'statusnet', 'import')) {
 499                 if ($b['deleted'] || $b['private'] || ($b['created'] !== $b['edited']))
 500                         return;
 501         }
 502
 503         $api = PConfig::get($b["uid"], 'statusnet', 'baseapi');
 504         $hostname = preg_replace("=https?://([\w\.]*)/.*=ism", "$1", $api);
 505
 506         if ($b['parent'] != $b['id']) {
 507                 Logger::log("statusnet_post_hook: parameter " . print_r($b, true), Logger::DATA);
 508
 509                 // Looking if its a reply to a GNU Social post
 510                 $hostlength = strlen($hostname) + 2;
 511                 if ((substr($b["parent-uri"], 0, $hostlength) != $hostname . "::") && (substr($b["extid"], 0, $hostlength) != $hostname . "::") && (substr($b["thr-parent"], 0, $hostlength) != $hostname . "::")) {
 512                         Logger::log("statusnet_post_hook: no GNU Social post " . $b["parent"]);
 513                         return;
 514                 }
 515
 516                 $condition = ['uri' => $b["thr-parent"], 'uid' => $b["uid"]];
 517                 $orig_post = Item::selectFirst(['author-link', 'uri'], $condition);
 518                 if (!DBA::isResult($orig_post)) {
 519                         Logger::log("statusnet_post_hook: no parent found " . $b["thr-parent"]);
 520                         return;
 521                 } else {
 522                         $iscomment = true;
 523                 }
 524
 525                 $nick = preg_replace("=https?://(.*)/(.*)=ism", "$2", $orig_post["author-link"]);
 526
 527                 $nickname = "@[url=" . $orig_post["author-link"] . "]" . $nick . "[/url]";
 528                 $nicknameplain = "@" . $nick;
 529
 530                 Logger::log("statusnet_post_hook: comparing " . $nickname . " and " . $nicknameplain . " with " . $b["body"], Logger::DEBUG);
 531                 if ((strpos($b["body"], $nickname) === false) && (strpos($b["body"], $nicknameplain) === false)) {
 532                         $b["body"] = $nickname . " " . $b["body"];
 533                 }
 534
 535                 Logger::log("statusnet_post_hook: parent found " . print_r($orig_post, true), Logger::DEBUG);
 536         } else {
 537                 $iscomment = false;
 538
 539                 if ($b['private'] || !strstr($b['postopts'], 'statusnet')) {
 540                         return;
 541                 }
 542
 543                 // Dont't post if the post doesn't belong to us.
 544                 // This is a check for forum postings
 545                 $self = DBA::selectFirst('contact', ['id'], ['uid' => $b['uid'], 'self' => true]);
 546                 if ($b['contact-id'] != $self['id']) {
 547                         return;
 548                 }
 549         }
 550
 551         if (($b['verb'] == ACTIVITY_POST) && $b['deleted']) {
 552                 statusnet_action($a, $b["uid"], substr($orig_post["uri"], $hostlength), "delete");
 553         }
 554
 555         if ($b['verb'] == ACTIVITY_LIKE) {
 556                 Logger::log("statusnet_post_hook: parameter 2 " . substr($b["thr-parent"], $hostlength), Logger::DEBUG);
 557                 if ($b['deleted'])
 558                         statusnet_action($a, $b["uid"], substr($b["thr-parent"], $hostlength), "unlike");
 559                 else
 560                         statusnet_action($a, $b["uid"], substr($b["thr-parent"], $hostlength), "like");
 561                 return;
 562         }
 563
 564         if ($b['deleted'] || ($b['created'] !== $b['edited'])) {
 565                 return;
 566         }
 567
 568         // if posts comes from GNU Social don't send it back
 569         if ($b['extid'] == Protocol::STATUSNET) {
 570                 return;
 571         }
 572
 573         if ($b['app'] == "StatusNet") {
 574                 return;
 575         }
 576
 577         Logger::log('GNU Socialpost invoked');
 578
 579         PConfig::load($b['uid'], 'statusnet');
 580
 581         $api     = PConfig::get($b['uid'], 'statusnet', 'baseapi');
 582         $ckey    = PConfig::get($b['uid'], 'statusnet', 'consumerkey');
 583         $csecret = PConfig::get($b['uid'], 'statusnet', 'consumersecret');
 584         $otoken  = PConfig::get($b['uid'], 'statusnet', 'oauthtoken');
 585         $osecret = PConfig::get($b['uid'], 'statusnet', 'oauthsecret');
 586
 587         if ($ckey && $csecret && $otoken && $osecret) {
 588                 // If it's a repeated message from GNU Social then do a native retweet and exit
 589                 if (statusnet_is_retweet($a, $b['uid'], $b['body'])) {
 590                         return;
 591                 }
 592
 593                 $dent = new StatusNetOAuth($api, $ckey, $csecret, $otoken, $osecret);
 594                 $max_char = $dent->get_maxlength(); // max. length for a dent
 595
 596                 PConfig::set($b['uid'], 'statusnet', 'max_char', $max_char);
 597
 598                 $tempfile = "";
 599                 $msgarr = ItemContent::getPlaintextPost($b, $max_char, true, 7);
 600                 $msg = $msgarr["text"];
 601
 602                 if (($msg == "") && isset($msgarr["title"]))
 603                         $msg = Plaintext::shorten($msgarr["title"], $max_char - 50);
 604
 605                 $image = "";
 606
 607                 if (isset($msgarr["url"]) && ($msgarr["type"] != "photo")) {
 608                         $msg .= " \n" . $msgarr["url"];
 609                 } elseif (isset($msgarr["image"]) && ($msgarr["type"] != "video")) {
 610                         $image = $msgarr["image"];
 611                 }
 612
 613                 if ($image != "") {
 614                         $img_str = Network::fetchUrl($image);
 615                         $tempfile = tempnam(get_temppath(), "cache");
 616                         file_put_contents($tempfile, $img_str);
 617                         $postdata = ["status" => $msg, "media[]" => $tempfile];
 618                 } else {
 619                         $postdata = ["status" => $msg];
 620                 }
 621
 622                 // and now send it :-)
 623                 if (strlen($msg)) {
 624                         if ($iscomment) {
 625                                 $postdata["in_reply_to_status_id"] = substr($orig_post["uri"], $hostlength);
 626                                 Logger::log('statusnet_post send reply ' . print_r($postdata, true), Logger::DEBUG);
 627                         }
 628
 629                         // New code that is able to post pictures
 630                         require_once __DIR__ . DIRECTORY_SEPARATOR . 'library' . DIRECTORY_SEPARATOR . 'codebirdsn.php';
 631                         $cb = CodebirdSN::getInstance();
 632                         $cb->setAPIEndpoint($api);
 633                         $cb->setConsumerKey($ckey, $csecret);
 634                         $cb->setToken($otoken, $osecret);
 635                         $result = $cb->statuses_update($postdata);
 636                         //$result = $dent->post('statuses/update', $postdata);
 637                         Logger::log('statusnet_post send, result: ' . print_r($result, true) .
 638                                 "\nmessage: " . $msg . "\nOriginal post: " . print_r($b, true) . "\nPost Data: " . print_r($postdata, true), Logger::DEBUG);
 639
 640                         if (!empty($result->source)) {
 641                                 PConfig::set($b["uid"], "statusnet", "application_name", strip_tags($result->source));
 642                         }
 643
 644                         if (!empty($result->error)) {
 645                                 Logger::log('Send to GNU Social failed: "' . $result->error . '"');
 646                         } elseif ($iscomment) {
 647                                 Logger::log('statusnet_post: Update extid ' . $result->id . " for post id " . $b['id']);
 648                                 Item::update(['extid' => $hostname . "::" . $result->id, 'body' => $result->text], ['id' => $b['id']]);
 649                         }
 650                 }
 651                 if ($tempfile != "") {
 652                         unlink($tempfile);
 653                 }
 654         }
 655 }
 656
 657 function statusnet_addon_admin_post(App $a)
 658 {
 659         $sites = [];
 660
 661         foreach ($_POST['sitename'] as $id => $sitename) {
 662                 $sitename = trim($sitename);
 663                 $apiurl = trim($_POST['apiurl'][$id]);
 664                 if (!(substr($apiurl, -1) == '/')) {
 665                         $apiurl = $apiurl . '/';
 666                 }
 667                 $secret = trim($_POST['secret'][$id]);
 668                 $key = trim($_POST['key'][$id]);
 669                 //$applicationname = (!empty($_POST['applicationname']) ? Strings::escapeTags(trim($_POST['applicationname'][$id])):'');
 670                 if ($sitename != "" &&
 671                         $apiurl != "" &&
 672                         $secret != "" &&
 673                         $key != "" &&
 674                         empty($_POST['delete'][$id])) {
 675
 676                         $sites[] = [
 677                                 'sitename' => $sitename,
 678                                 'apiurl' => $apiurl,
 679                                 'consumersecret' => $secret,
 680                                 'consumerkey' => $key,
 681                                 //'applicationname' => $applicationname
 682                         ];
 683                 }
 684         }
 685
 686         $sites = Config::set('statusnet', 'sites', $sites);
 687 }
 688
 689 function statusnet_addon_admin(App $a, &$o)
 690 {
 691         $sites = Config::get('statusnet', 'sites');
 692         $sitesform = [];
 693         if (is_array($sites)) {
 694                 foreach ($sites as $id => $s) {
 695                         $sitesform[] = [
 696                                 'sitename' => ["sitename[$id]", "Site name", $s['sitename'], ""],
 697                                 'apiurl' => ["apiurl[$id]", "Api url", $s['apiurl'], L10n::t("Base API Path \x28remember the trailing /\x29")],
 698                                 'secret' => ["secret[$id]", "Secret", $s['consumersecret'], ""],
 699                                 'key' => ["key[$id]", "Key", $s['consumerkey'], ""],
 700                                 //'applicationname' => Array("applicationname[$id]", "Application name", $s['applicationname'], ""),
 701                                 'delete' => ["delete[$id]", "Delete", False, "Check to delete this preset"],
 702                         ];
 703                 }
 704         }
 705         /* empty form to add new site */
 706         $id = count($sitesform);
 707         $sitesform[] = [
 708                 'sitename' => ["sitename[$id]", L10n::t("Site name"), "", ""],
 709                 'apiurl' => ["apiurl[$id]", "Api url", "", L10n::t("Base API Path \x28remember the trailing /\x29")],
 710                 'secret' => ["secret[$id]", L10n::t("Consumer Secret"), "", ""],
 711                 'key' => ["key[$id]", L10n::t("Consumer Key"), "", ""],
 712                 //'applicationname' => Array("applicationname[$id]", L10n::t("Application name"), "", ""),
 713         ];
 714
 715         $t = Renderer::getMarkupTemplate("admin.tpl", "addon/statusnet/");
 716         $o = Renderer::replaceMacros($t, [
 717                 '$submit' => L10n::t('Save Settings'),
 718                 '$sites' => $sitesform,
 719         ]);
 720 }
 721
 722 function statusnet_prepare_body(App $a, &$b)
 723 {
 724         if ($b["item"]["network"] != Protocol::STATUSNET) {
 725                 return;
 726         }
 727
 728         if ($b["preview"]) {
 729                 $max_char = PConfig::get(local_user(), 'statusnet', 'max_char');
 730                 if (intval($max_char) == 0) {
 731                         $max_char = 140;
 732                 }
 733
 734                 $item = $b["item"];
 735                 $item["plink"] = $a->getBaseURL() . "/display/" . $a->user["nickname"] . "/" . $item["parent"];
 736
 737                 $condition = ['uri' => $item["thr-parent"], 'uid' => local_user()];
 738                 $orig_post = Item::selectFirst(['author-link', 'uri'], $condition);
 739                 if (DBA::isResult($orig_post)) {
 740                         $nick = preg_replace("=https?://(.*)/(.*)=ism", "$2", $orig_post["author-link"]);
 741
 742                         $nickname = "@[url=" . $orig_post["author-link"] . "]" . $nick . "[/url]";
 743                         $nicknameplain = "@" . $nick;
 744
 745                         if ((strpos($item["body"], $nickname) === false) && (strpos($item["body"], $nicknameplain) === false)) {
 746                                 $item["body"] = $nickname . " " . $item["body"];
 747                         }
 748                 }
 749
 750                 $msgarr = ItemContent::getPlaintextPost($item, $max_char, true, 7);
 751                 $msg = $msgarr["text"];
 752
 753                 if (isset($msgarr["url"]) && ($msgarr["type"] != "photo")) {
 754                         $msg .= " " . $msgarr["url"];
 755                 }
 756
 757                 if (isset($msgarr["image"])) {
 758                         $msg .= " " . $msgarr["image"];
 759                 }
 760
 761                 $b['html'] = nl2br(htmlspecialchars($msg));
 762         }
 763 }
 764
 765 function statusnet_cron(App $a, $b)
 766 {
 767         $last = Config::get('statusnet', 'last_poll');
 768
 769         $poll_interval = intval(Config::get('statusnet', 'poll_interval'));
 770         if (!$poll_interval) {
 771                 $poll_interval = STATUSNET_DEFAULT_POLL_INTERVAL;
 772         }
 773
 774         if ($last) {
 775                 $next = $last + ($poll_interval * 60);
 776                 if ($next > time()) {
 777                         Logger::log('statusnet: poll intervall not reached');
 778                         return;
 779                 }
 780         }
 781         Logger::log('statusnet: cron_start');
 782
 783         $r = q("SELECT * FROM `pconfig` WHERE `cat` = 'statusnet' AND `k` = 'mirror_posts' AND `v` = '1' ORDER BY RAND() ");
 784         if (DBA::isResult($r)) {
 785                 foreach ($r as $rr) {
 786                         Logger::log('statusnet: fetching for user ' . $rr['uid']);
 787                         statusnet_fetchtimeline($a, $rr['uid']);
 788                 }
 789         }
 790
 791         $abandon_days = intval(Config::get('system', 'account_abandon_days'));
 792         if ($abandon_days < 1) {
 793                 $abandon_days = 0;
 794         }
 795
 796         $abandon_limit = date(DateTimeFormat::MYSQL, time() - $abandon_days * 86400);
 797
 798         $r = q("SELECT * FROM `pconfig` WHERE `cat` = 'statusnet' AND `k` = 'import' AND `v` ORDER BY RAND()");
 799         if (DBA::isResult($r)) {
 800                 foreach ($r as $rr) {
 801                         if ($abandon_days != 0) {
 802                                 $user = q("SELECT `login_date` FROM `user` WHERE uid=%d AND `login_date` >= '%s'", $rr['uid'], $abandon_limit);
 803                                 if (!DBA::isResult($user)) {
 804                                         Logger::log('abandoned account: timeline from user ' . $rr['uid'] . ' will not be imported');
 805                                         continue;
 806                                 }
 807                         }
 808
 809                         Logger::log('statusnet: importing timeline from user ' . $rr['uid']);
 810                         statusnet_fetchhometimeline($a, $rr["uid"], $rr["v"]);
 811                 }
 812         }
 813
 814         Logger::log('statusnet: cron_end');
 815
 816         Config::set('statusnet', 'last_poll', time());
 817 }
 818
 819 function statusnet_fetchtimeline(App $a, $uid)
 820 {
 821         $ckey    = PConfig::get($uid, 'statusnet', 'consumerkey');
 822         $csecret = PConfig::get($uid, 'statusnet', 'consumersecret');
 823         $api     = PConfig::get($uid, 'statusnet', 'baseapi');
 824         $otoken  = PConfig::get($uid, 'statusnet', 'oauthtoken');
 825         $osecret = PConfig::get($uid, 'statusnet', 'oauthsecret');
 826         $lastid  = PConfig::get($uid, 'statusnet', 'lastid');
 827
 828         require_once 'mod/item.php';
 829         //  get the application name for the SN app
 830         //  1st try personal config, then system config and fallback to the
 831         //  hostname of the node if neither one is set.
 832         $application_name = PConfig::get($uid, 'statusnet', 'application_name');
 833         if ($application_name == "") {
 834                 $application_name = Config::get('statusnet', 'application_name');
 835         }
 836         if ($application_name == "") {
 837                 $application_name = $a->getHostName();
 838         }
 839
 840         $connection = new StatusNetOAuth($api, $ckey, $csecret, $otoken, $osecret);
 841
 842         $parameters = ["exclude_replies" => true, "trim_user" => true, "contributor_details" => false, "include_rts" => false];
 843
 844         $first_time = ($lastid == "");
 845
 846         if ($lastid <> "") {
 847                 $parameters["since_id"] = $lastid;
 848         }
 849
 850         $items = $connection->get('statuses/user_timeline', $parameters);
 851
 852         if (!is_array($items)) {
 853                 return;
 854         }
 855
 856         $posts = array_reverse($items);
 857
 858         if (count($posts)) {
 859                 foreach ($posts as $post) {
 860                         if ($post->id > $lastid)
 861                                 $lastid = $post->id;
 862
 863                         if ($first_time) {
 864                                 continue;
 865                         }
 866
 867                         if ($post->source == "activity") {
 868                                 continue;
 869                         }
 870
 871                         if (!empty($post->retweeted_status)) {
 872                                 continue;
 873                         }
 874
 875                         if ($post->in_reply_to_status_id != "") {
 876                                 continue;
 877                         }
 878
 879                         if (!stristr($post->source, $application_name)) {
 880                                 $_SESSION["authenticated"] = true;
 881                                 $_SESSION["uid"] = $uid;
 882
 883                                 unset($_REQUEST);
 884                                 $_REQUEST["api_source"] = true;
 885                                 $_REQUEST["profile_uid"] = $uid;
 886                                 //$_REQUEST["source"] = "StatusNet";
 887                                 $_REQUEST["source"] = $post->source;
 888                                 $_REQUEST["extid"] = Protocol::STATUSNET;
 889
 890                                 if (isset($post->id)) {
 891                                         $_REQUEST['message_id'] = Item::newURI($uid, Protocol::STATUSNET . ":" . $post->id);
 892                                 }
 893
 894                                 //$_REQUEST["date"] = $post->created_at;
 895
 896                                 $_REQUEST["title"] = "";
 897
 898                                 $_REQUEST["body"] = add_page_info_to_body($post->text, true);
 899                                 if (is_string($post->place->name)) {
 900                                         $_REQUEST["location"] = $post->place->name;
 901                                 }
 902
 903                                 if (is_string($post->place->full_name)) {
 904                                         $_REQUEST["location"] = $post->place->full_name;
 905                                 }
 906
 907                                 if (is_array($post->geo->coordinates)) {
 908                                         $_REQUEST["coord"] = $post->geo->coordinates[0] . " " . $post->geo->coordinates[1];
 909                                 }
 910
 911                                 if (is_array($post->coordinates->coordinates)) {
 912                                         $_REQUEST["coord"] = $post->coordinates->coordinates[1] . " " . $post->coordinates->coordinates[0];
 913                                 }
 914
 915                                 //print_r($_REQUEST);
 916                                 if ($_REQUEST["body"] != "") {
 917                                         Logger::log('statusnet: posting for user ' . $uid);
 918
 919                                         item_post($a);
 920                                 }
 921                         }
 922                 }
 923         }
 924         PConfig::set($uid, 'statusnet', 'lastid', $lastid);
 925 }
 926
 927 function statusnet_address($contact)
 928 {
 929         $hostname = Strings::normaliseLink($contact->statusnet_profile_url);
 930         $nickname = $contact->screen_name;
 931
 932         $hostname = preg_replace("=https?://([\w\.]*)/.*=ism", "$1", $contact->statusnet_profile_url);
 933
 934         $address = $contact->screen_name . "@" . $hostname;
 935
 936         return $address;
 937 }
 938
 939 function statusnet_fetch_contact($uid, $contact, $create_user)
 940 {
 941         if ($contact->statusnet_profile_url == "") {
 942                 return -1;
 943         }
 944
 945         GContact::update(["url" => $contact->statusnet_profile_url,
 946                 "network" => Protocol::STATUSNET, "photo" => $contact->profile_image_url,
 947                 "name" => $contact->name, "nick" => $contact->screen_name,
 948                 "location" => $contact->location, "about" => $contact->description,
 949                 "addr" => statusnet_address($contact), "generation" => 3]);
 950
 951         $r = q("SELECT * FROM `contact` WHERE `uid` = %d AND `alias` = '%s' AND `network` = '%s'LIMIT 1", intval($uid), DBA::escape(Strings::normaliseLink($contact->statusnet_profile_url)), DBA::escape(Protocol::STATUSNET));
 952
 953         if (!DBA::isResult($r) && !$create_user) {
 954                 return 0;
 955         }
 956
 957         if (DBA::isResult($r) && ($r[0]["readonly"] || $r[0]["blocked"])) {
 958                 Logger::log("statusnet_fetch_contact: Contact '" . $r[0]["nick"] . "' is blocked or readonly.", Logger::DEBUG);
 959                 return -1;
 960         }
 961
 962         if (!DBA::isResult($r)) {
 963                 // create contact record
 964                 q("INSERT INTO `contact` ( `uid`, `created`, `url`, `nurl`, `addr`, `alias`, `notify`, `poll`,
 965                                         `name`, `nick`, `photo`, `network`, `rel`, `priority`,
 966                                         `location`, `about`, `writable`, `blocked`, `readonly`, `pending` )
 967                                         VALUES ( %d, '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', %d, %d, '%s', '%s', %d, 0, 0, 0 ) ",
 968                         intval($uid),
 969                         DBA::escape(DateTimeFormat::utcNow()),
 970                         DBA::escape($contact->statusnet_profile_url),
 971                         DBA::escape(Strings::normaliseLink($contact->statusnet_profile_url)),
 972                         DBA::escape(statusnet_address($contact)),
 973                         DBA::escape(Strings::normaliseLink($contact->statusnet_profile_url)),
 974                         DBA::escape(''),
 975                         DBA::escape(''),
 976                         DBA::escape($contact->name),
 977                         DBA::escape($contact->screen_name),
 978                         DBA::escape($contact->profile_image_url),
 979                         DBA::escape(Protocol::STATUSNET),
 980                         intval(Contact::FRIEND),
 981                         intval(1),
 982                         DBA::escape($contact->location),
 983                         DBA::escape($contact->description),
 984                         intval(1)
 985                 );
 986
 987                 $r = q("SELECT * FROM `contact` WHERE `alias` = '%s' AND `uid` = %d AND `network` = '%s' LIMIT 1",
 988                         DBA::escape($contact->statusnet_profile_url),
 989                         intval($uid),
 990                         DBA::escape(Protocol::STATUSNET));
 991
 992                 if (!DBA::isResult($r)) {
 993                         return false;
 994                 }
 995
 996                 $contact_id = $r[0]['id'];
 997
 998                 Group::addMember(User::getDefaultGroup($uid), $contact_id);
 999
1000                 $photos = Photo::importProfilePhoto($contact->profile_image_url, $uid, $contact_id);
1001
1002                 q("UPDATE `contact` SET `photo` = '%s',
1003                                         `thumb` = '%s',
1004                                         `micro` = '%s',
1005                                         `avatar-date` = '%s'
1006                                 WHERE `id` = %d",
1007                         DBA::escape($photos[0]),
1008                         DBA::escape($photos[1]),
1009                         DBA::escape($photos[2]),
1010                         DBA::escape(DateTimeFormat::utcNow()),
1011                         intval($contact_id)
1012                 );
1013         } else {
1014                 // update profile photos once every two weeks as we have no notification of when they change.
1015                 //$update_photo = (($r[0]['avatar-date'] < DateTimeFormat::convert('now -2 days', '', '', )) ? true : false);
1016                 $update_photo = ($r[0]['avatar-date'] < DateTimeFormat::utc('now -12 hours'));
1017
1018                 // check that we have all the photos, this has been known to fail on occasion
1019                 if ((!$r[0]['photo']) || (!$r[0]['thumb']) || (!$r[0]['micro']) || ($update_photo)) {
1020                         Logger::log("statusnet_fetch_contact: Updating contact " . $contact->screen_name, Logger::DEBUG);
1021
1022                         $photos = Photo::importProfilePhoto($contact->profile_image_url, $uid, $r[0]['id']);
1023
1024                         q("UPDATE `contact` SET `photo` = '%s',
1025                                                 `thumb` = '%s',
1026                                                 `micro` = '%s',
1027                                                 `name-date` = '%s',
1028                                                 `uri-date` = '%s',
1029                                                 `avatar-date` = '%s',
1030                                                 `url` = '%s',
1031                                                 `nurl` = '%s',
1032                                                 `addr` = '%s',
1033                                                 `name` = '%s',
1034                                                 `nick` = '%s',
1035                                                 `location` = '%s',
1036                                                 `about` = '%s'
1037                                         WHERE `id` = %d",
1038                                 DBA::escape($photos[0]),
1039                                 DBA::escape($photos[1]),
1040                                 DBA::escape($photos[2]),
1041                                 DBA::escape(DateTimeFormat::utcNow()),
1042                                 DBA::escape(DateTimeFormat::utcNow()),
1043                                 DBA::escape(DateTimeFormat::utcNow()),
1044                                 DBA::escape($contact->statusnet_profile_url),
1045                                 DBA::escape(Strings::normaliseLink($contact->statusnet_profile_url)),
1046                                 DBA::escape(statusnet_address($contact)),
1047                                 DBA::escape($contact->name),
1048                                 DBA::escape($contact->screen_name),
1049                                 DBA::escape($contact->location),
1050                                 DBA::escape($contact->description),
1051                                 intval($r[0]['id'])
1052                         );
1053                 }
1054         }
1055
1056         return $r[0]["id"];
1057 }
1058
1059 function statusnet_fetchuser(App $a, $uid, $screen_name = "", $user_id = "")
1060 {
1061         $ckey    = PConfig::get($uid, 'statusnet', 'consumerkey');
1062         $csecret = PConfig::get($uid, 'statusnet', 'consumersecret');
1063         $api     = PConfig::get($uid, 'statusnet', 'baseapi');
1064         $otoken  = PConfig::get($uid, 'statusnet', 'oauthtoken');
1065         $osecret = PConfig::get($uid, 'statusnet', 'oauthsecret');
1066
1067         require_once __DIR__ . DIRECTORY_SEPARATOR . 'library' . DIRECTORY_SEPARATOR . 'codebirdsn.php';
1068
1069         $cb = CodebirdSN::getInstance();
1070         $cb->setConsumerKey($ckey, $csecret);
1071         $cb->setToken($otoken, $osecret);
1072
1073         $r = q("SELECT * FROM `contact` WHERE `self` = 1 AND `uid` = %d LIMIT 1",
1074                 intval($uid));
1075
1076         if (DBA::isResult($r)) {
1077                 $self = $r[0];
1078         } else {
1079                 return;
1080         }
1081
1082         $parameters = [];
1083
1084         if ($screen_name != "") {
1085                 $parameters["screen_name"] = $screen_name;
1086         }
1087
1088         if ($user_id != "") {
1089                 $parameters["user_id"] = $user_id;
1090         }
1091
1092         // Fetching user data
1093         $user = $cb->users_show($parameters);
1094
1095         if (!is_object($user)) {
1096                 return;
1097         }
1098
1099         $contact_id = statusnet_fetch_contact($uid, $user, true);
1100
1101         return $contact_id;
1102 }
1103
1104 function statusnet_createpost(App $a, $uid, $post, $self, $create_user, $only_existing_contact)
1105 {
1106         Logger::log("statusnet_createpost: start", Logger::DEBUG);
1107
1108         $api = PConfig::get($uid, 'statusnet', 'baseapi');
1109         $hostname = preg_replace("=https?://([\w\.]*)/.*=ism", "$1", $api);
1110
1111         $postarray = [];
1112         $postarray['network'] = Protocol::STATUSNET;
1113         $postarray['uid'] = $uid;
1114         $postarray['wall'] = 0;
1115
1116         if (!empty($post->retweeted_status)) {
1117                 $content = $post->retweeted_status;
1118                 statusnet_fetch_contact($uid, $content->user, false);
1119         } else {
1120                 $content = $post;
1121         }
1122
1123         $postarray['uri'] = $hostname . "::" . $content->id;
1124
1125         if (Item::exists(['extid' => $postarray['uri'], 'uid' => $uid])) {
1126                 return [];
1127         }
1128
1129         $contactid = 0;
1130
1131         if (!empty($content->in_reply_to_status_id)) {
1132
1133                 $parent = $hostname . "::" . $content->in_reply_to_status_id;
1134
1135                 $fields = ['uri', 'parent-uri', 'parent'];
1136                 $item = Item::selectFirst($fields, ['uri' => $parent, 'uid' => $uid]);
1137
1138                 if (!DBA::isResult($item)) {
1139                         $item = Item::selectFirst($fields, ['extid' => $parent, 'uid' => $uid]);
1140                 }
1141
1142                 if (DBA::isResult($item)) {
1143                         $postarray['thr-parent'] = $item['uri'];
1144                         $postarray['parent-uri'] = $item['parent-uri'];
1145                         $postarray['parent'] = $item['parent'];
1146                         $postarray['object-type'] = ACTIVITY_OBJ_COMMENT;
1147                 } else {
1148                         $postarray['thr-parent'] = $postarray['uri'];
1149                         $postarray['parent-uri'] = $postarray['uri'];
1150                         $postarray['object-type'] = ACTIVITY_OBJ_NOTE;
1151                 }
1152
1153                 // Is it me?
1154                 $own_url = PConfig::get($uid, 'statusnet', 'own_url');
1155
1156                 if ($content->user->id == $own_url) {
1157                         $r = q("SELECT * FROM `contact` WHERE `self` = 1 AND `uid` = %d LIMIT 1",
1158                                 intval($uid));
1159
1160                         if (DBA::isResult($r)) {
1161                                 $contactid = $r[0]["id"];
1162
1163                                 $postarray['owner-name'] = $r[0]["name"];
1164                                 $postarray['owner-link'] = $r[0]["url"];
1165                                 $postarray['owner-avatar'] = $r[0]["photo"];
1166                         } else {
1167                                 return [];
1168                         }
1169                 }
1170                 // Don't create accounts of people who just comment something
1171                 $create_user = false;
1172         } else {
1173                 $postarray['parent-uri'] = $postarray['uri'];
1174                 $postarray['object-type'] = ACTIVITY_OBJ_NOTE;
1175         }
1176
1177         if ($contactid == 0) {
1178                 $contactid = statusnet_fetch_contact($uid, $post->user, $create_user);
1179                 $postarray['owner-name'] = $post->user->name;
1180                 $postarray['owner-link'] = $post->user->statusnet_profile_url;
1181                 $postarray['owner-avatar'] = $post->user->profile_image_url;
1182         }
1183         if (($contactid == 0) && !$only_existing_contact) {
1184                 $contactid = $self['id'];
1185         } elseif ($contactid <= 0) {
1186                 return [];
1187         }
1188
1189         $postarray['contact-id'] = $contactid;
1190
1191         $postarray['verb'] = ACTIVITY_POST;
1192
1193         $postarray['author-name'] = $content->user->name;
1194         $postarray['author-link'] = $content->user->statusnet_profile_url;
1195         $postarray['author-avatar'] = $content->user->profile_image_url;
1196
1197         // To-Do: Maybe unreliable? Can the api be entered without trailing "/"?
1198         $hostname = str_replace("/api/", "/notice/", PConfig::get($uid, 'statusnet', 'baseapi'));
1199
1200         $postarray['plink'] = $hostname . $content->id;
1201         $postarray['app'] = strip_tags($content->source);
1202
1203         if ($content->user->protected) {
1204                 $postarray['private'] = 1;
1205                 $postarray['allow_cid'] = '<' . $self['id'] . '>';
1206         }
1207
1208         $postarray['body'] = HTML::toBBCode($content->statusnet_html);
1209
1210         $converted = statusnet_convertmsg($a, $postarray['body'], false);
1211         $postarray['body'] = $converted["body"];
1212         $postarray['tag'] = $converted["tags"];
1213
1214         $postarray['created'] = DateTimeFormat::utc($content->created_at);
1215         $postarray['edited'] = DateTimeFormat::utc($content->created_at);
1216
1217         if (!empty($content->place->name)) {
1218                 $postarray["location"] = $content->place->name;
1219         }
1220
1221         if (!empty($content->place->full_name)) {
1222                 $postarray["location"] = $content->place->full_name;
1223         }
1224
1225         if (!empty($content->geo->coordinates)) {
1226                 $postarray["coord"] = $content->geo->coordinates[0] . " " . $content->geo->coordinates[1];
1227         }
1228
1229         if (!empty($content->coordinates->coordinates)) {
1230                 $postarray["coord"] = $content->coordinates->coordinates[1] . " " . $content->coordinates->coordinates[0];
1231         }
1232
1233         Logger::log("statusnet_createpost: end", Logger::DEBUG);
1234
1235         return $postarray;
1236 }
1237
1238 function statusnet_fetchhometimeline(App $a, $uid, $mode = 1)
1239 {
1240         $conversations = [];
1241
1242         $ckey    = PConfig::get($uid, 'statusnet', 'consumerkey');
1243         $csecret = PConfig::get($uid, 'statusnet', 'consumersecret');
1244         $api     = PConfig::get($uid, 'statusnet', 'baseapi');
1245         $otoken  = PConfig::get($uid, 'statusnet', 'oauthtoken');
1246         $osecret = PConfig::get($uid, 'statusnet', 'oauthsecret');
1247         $create_user = PConfig::get($uid, 'statusnet', 'create_user');
1248
1249         // "create_user" is deactivated, since currently you cannot add users manually by now
1250         $create_user = true;
1251
1252         Logger::log("statusnet_fetchhometimeline: Fetching for user " . $uid, Logger::DEBUG);
1253
1254         $connection = new StatusNetOAuth($api, $ckey, $csecret, $otoken, $osecret);
1255
1256         $own_contact = statusnet_fetch_own_contact($a, $uid);
1257
1258         $r = q("SELECT * FROM `contact` WHERE `id` = %d AND `uid` = %d LIMIT 1",
1259                 intval($own_contact),
1260                 intval($uid));
1261
1262         if (DBA::isResult($r)) {
1263                 $nick = $r[0]["nick"];
1264         } else {
1265                 Logger::log("statusnet_fetchhometimeline: Own GNU Social contact not found for user " . $uid, Logger::DEBUG);
1266                 return;
1267         }
1268
1269         $r = q("SELECT * FROM `contact` WHERE `self` = 1 AND `uid` = %d LIMIT 1",
1270                 intval($uid));
1271
1272         if (DBA::isResult($r)) {
1273                 $self = $r[0];
1274         } else {
1275                 Logger::log("statusnet_fetchhometimeline: Own contact not found for user " . $uid, Logger::DEBUG);
1276                 return;
1277         }
1278
1279         $u = q("SELECT * FROM user WHERE uid = %d LIMIT 1",
1280                 intval($uid));
1281         if (!DBA::isResult($u)) {
1282                 Logger::log("statusnet_fetchhometimeline: Own user not found for user " . $uid, Logger::DEBUG);
1283                 return;
1284         }
1285
1286         $parameters = ["exclude_replies" => false, "trim_user" => false, "contributor_details" => true, "include_rts" => true];
1287         //$parameters["count"] = 200;
1288
1289         if ($mode == 1) {
1290                 // Fetching timeline
1291                 $lastid = PConfig::get($uid, 'statusnet', 'lasthometimelineid');
1292                 //$lastid = 1;
1293
1294                 $first_time = ($lastid == "");
1295
1296                 if ($lastid != "") {
1297                         $parameters["since_id"] = $lastid;
1298                 }
1299
1300                 $items = $connection->get('statuses/home_timeline', $parameters);
1301
1302                 if (!is_array($items)) {
1303                         if (is_object($items) && isset($items->error)) {
1304                                 $errormsg = $items->error;
1305                         } elseif (is_object($items)) {
1306                                 $errormsg = print_r($items, true);
1307                         } elseif (is_string($items) || is_float($items) || is_int($items)) {
1308                                 $errormsg = $items;
1309                         } else {
1310                                 $errormsg = "Unknown error";
1311                         }
1312
1313                         Logger::log("statusnet_fetchhometimeline: Error fetching home timeline: " . $errormsg, Logger::DEBUG);
1314                         return;
1315                 }
1316
1317                 $posts = array_reverse($items);
1318
1319                 Logger::log("statusnet_fetchhometimeline: Fetching timeline for user " . $uid . " " . sizeof($posts) . " items", Logger::DEBUG);
1320
1321                 if (count($posts)) {
1322                         foreach ($posts as $post) {
1323
1324                                 if ($post->id > $lastid) {
1325                                         $lastid = $post->id;
1326                                 }
1327
1328                                 if ($first_time) {
1329                                         continue;
1330                                 }
1331
1332                                 if (isset($post->statusnet_conversation_id)) {
1333                                         if (!isset($conversations[$post->statusnet_conversation_id])) {
1334                                                 statusnet_complete_conversation($a, $uid, $self, $create_user, $nick, $post->statusnet_conversation_id);
1335                                                 $conversations[$post->statusnet_conversation_id] = $post->statusnet_conversation_id;
1336                                         }
1337                                 } else {
1338                                         $postarray = statusnet_createpost($a, $uid, $post, $self, $create_user, true);
1339
1340                                         if (trim($postarray['body']) == "") {
1341                                                 continue;
1342                                         }
1343
1344                                         $item = Item::insert($postarray);
1345                                         $postarray["id"] = $item;
1346
1347                                         Logger::log('statusnet_fetchhometimeline: User ' . $self["nick"] . ' posted home timeline item ' . $item);
1348                                 }
1349                         }
1350                 }
1351                 PConfig::set($uid, 'statusnet', 'lasthometimelineid', $lastid);
1352         }
1353
1354         // Fetching mentions
1355         $lastid = PConfig::get($uid, 'statusnet', 'lastmentionid');
1356         $first_time = ($lastid == "");
1357
1358         if ($lastid != "") {
1359                 $parameters["since_id"] = $lastid;
1360         }
1361
1362         $items = $connection->get('statuses/mentions_timeline', $parameters);
1363
1364         if (!is_array($items)) {
1365                 Logger::log("statusnet_fetchhometimeline: Error fetching mentions: " . print_r($items, true), Logger::DEBUG);
1366                 return;
1367         }
1368
1369         $posts = array_reverse($items);
1370
1371         Logger::log("statusnet_fetchhometimeline: Fetching mentions for user " . $uid . " " . sizeof($posts) . " items", Logger::DEBUG);
1372
1373         if (count($posts)) {
1374                 foreach ($posts as $post) {
1375                         if ($post->id > $lastid) {
1376                                 $lastid = $post->id;
1377                         }
1378
1379                         if ($first_time) {
1380                                 continue;
1381                         }
1382
1383                         $postarray = statusnet_createpost($a, $uid, $post, $self, false, false);
1384
1385                         if (isset($post->statusnet_conversation_id)) {
1386                                 if (!isset($conversations[$post->statusnet_conversation_id])) {
1387                                         statusnet_complete_conversation($a, $uid, $self, $create_user, $nick, $post->statusnet_conversation_id);
1388                                         $conversations[$post->statusnet_conversation_id] = $post->statusnet_conversation_id;
1389                                 }
1390                         } else {
1391                                 if (trim($postarray['body']) == "") {
1392                                         continue;
1393                                 }
1394
1395                                 $item = Item::insert($postarray);
1396
1397                                 Logger::log('statusnet_fetchhometimeline: User ' . $self["nick"] . ' posted mention timeline item ' . $item);
1398                         }
1399                 }
1400         }
1401
1402         PConfig::set($uid, 'statusnet', 'lastmentionid', $lastid);
1403 }
1404
1405 function statusnet_complete_conversation(App $a, $uid, $self, $create_user, $nick, $conversation)
1406 {
1407         $ckey    = PConfig::get($uid, 'statusnet', 'consumerkey');
1408         $csecret = PConfig::get($uid, 'statusnet', 'consumersecret');
1409         $api     = PConfig::get($uid, 'statusnet', 'baseapi');
1410         $otoken  = PConfig::get($uid, 'statusnet', 'oauthtoken');
1411         $osecret = PConfig::get($uid, 'statusnet', 'oauthsecret');
1412         $own_url = PConfig::get($uid, 'statusnet', 'own_url');
1413
1414         $connection = new StatusNetOAuth($api, $ckey, $csecret, $otoken, $osecret);
1415
1416         $parameters["count"] = 200;
1417
1418         $items = $connection->get('statusnet/conversation/' . $conversation, $parameters);
1419         if (is_array($items)) {
1420                 $posts = array_reverse($items);
1421
1422                 foreach ($posts as $post) {
1423                         $postarray = statusnet_createpost($a, $uid, $post, $self, false, false);
1424
1425                         if (empty($postarray['body'])) {
1426                                 continue;
1427                         }
1428
1429                         $item = Item::insert($postarray);
1430                         $postarray["id"] = $item;
1431
1432                         Logger::log('statusnet_complete_conversation: User ' . $self["nick"] . ' posted home timeline item ' . $item);
1433                 }
1434         }
1435 }
1436
1437 function statusnet_convertmsg(App $a, $body, $no_tags = false)
1438 {
1439         $body = preg_replace("=\[url\=https?://([0-9]*).([0-9]*).([0-9]*).([0-9]*)/([0-9]*)\](.*?)\[\/url\]=ism", "$1.$2.$3.$4/$5", $body);
1440
1441         $URLSearchString = "^\[\]";
1442         $links = preg_match_all("/[^!#@]\[url\=([$URLSearchString]*)\](.*?)\[\/url\]/ism", $body, $matches, PREG_SET_ORDER);
1443
1444         $footer = "";
1445         $footerurl = "";
1446         $footerlink = "";
1447         $type = "";
1448
1449         if ($links) {
1450                 foreach ($matches AS $match) {
1451                         $search = "[url=" . $match[1] . "]" . $match[2] . "[/url]";
1452
1453                         Logger::log("statusnet_convertmsg: expanding url " . $match[1], Logger::DEBUG);
1454
1455                         $expanded_url = Network::finalUrl($match[1]);
1456
1457                         Logger::log("statusnet_convertmsg: fetching data for " . $expanded_url, Logger::DEBUG);
1458
1459                         $oembed_data = OEmbed::fetchURL($expanded_url, true);
1460
1461                         Logger::log("statusnet_convertmsg: fetching data: done", Logger::DEBUG);
1462
1463                         if ($type == "") {
1464                                 $type = $oembed_data->type;
1465                         }
1466
1467                         if ($oembed_data->type == "video") {
1468                                 //$body = str_replace($search, "[video]".$expanded_url."[/video]", $body);
1469                                 $type = $oembed_data->type;
1470                                 $footerurl = $expanded_url;
1471                                 $footerlink = "[url=" . $expanded_url . "]" . $expanded_url . "[/url]";
1472
1473                                 $body = str_replace($search, $footerlink, $body);
1474                         } elseif (($oembed_data->type == "photo") && isset($oembed_data->url)) {
1475                                 $body = str_replace($search, "[url=" . $expanded_url . "][img]" . $oembed_data->url . "[/img][/url]", $body);
1476                         } elseif ($oembed_data->type != "link") {
1477                                 $body = str_replace($search, "[url=" . $expanded_url . "]" . $expanded_url . "[/url]", $body);
1478                         } else {
1479                                 $img_str = Network::fetchUrl($expanded_url, true, $redirects, 4);
1480
1481                                 $tempfile = tempnam(get_temppath(), "cache");
1482                                 file_put_contents($tempfile, $img_str);
1483                                 $mime = mime_content_type($tempfile);
1484                                 unlink($tempfile);
1485
1486                                 if (substr($mime, 0, 6) == "image/") {
1487                                         $type = "photo";
1488                                         $body = str_replace($search, "[img]" . $expanded_url . "[/img]", $body);
1489                                 } else {
1490                                         $type = $oembed_data->type;
1491                                         $footerurl = $expanded_url;
1492                                         $footerlink = "[url=" . $expanded_url . "]" . $expanded_url . "[/url]";
1493
1494                                         $body = str_replace($search, $footerlink, $body);
1495                                 }
1496                         }
1497                 }
1498
1499                 if ($footerurl != "") {
1500                         $footer = add_page_info($footerurl);
1501                 }
1502
1503                 if (($footerlink != "") && (trim($footer) != "")) {
1504                         $removedlink = trim(str_replace($footerlink, "", $body));
1505
1506                         if (($removedlink == "") || strstr($body, $removedlink)) {
1507                                 $body = $removedlink;
1508                         }
1509
1510                         $body .= $footer;
1511                 }
1512         }
1513
1514         if ($no_tags) {
1515                 return ["body" => $body, "tags" => ""];
1516         }
1517
1518         $str_tags = '';
1519
1520         $cnt = preg_match_all("/([!#@])\[url\=([$URLSearchString]*)\](.*?)\[\/url\]/ism", $body, $matches, PREG_SET_ORDER);
1521         if ($cnt) {
1522                 foreach ($matches as $mtch) {
1523                         if (strlen($str_tags)) {
1524                                 $str_tags .= ',';
1525                         }
1526
1527                         if ($mtch[1] == "#") {
1528                                 // Replacing the hash tags that are directed to the GNU Social server with internal links
1529                                 $snhash = "#[url=" . $mtch[2] . "]" . $mtch[3] . "[/url]";
1530                                 $frdchash = '#[url=' . $a->getBaseURL() . '/search?tag=' . $mtch[3] . ']' . $mtch[3] . '[/url]';
1531                                 $body = str_replace($snhash, $frdchash, $body);
1532
1533                                 $str_tags .= $frdchash;
1534                         } else {
1535                                 $str_tags .= "@[url=" . $mtch[2] . "]" . $mtch[3] . "[/url]";
1536                         }
1537                         // To-Do:
1538                         // There is a problem with links with to GNU Social groups, so these links are stored with "@" like friendica groups
1539                         //$str_tags .= $mtch[1]."[url=".$mtch[2]."]".$mtch[3]."[/url]";
1540                 }
1541         }
1542
1543         return ["body" => $body, "tags" => $str_tags];
1544 }
1545
1546 function statusnet_fetch_own_contact(App $a, $uid)
1547 {
1548         $ckey    = PConfig::get($uid, 'statusnet', 'consumerkey');
1549         $csecret = PConfig::get($uid, 'statusnet', 'consumersecret');
1550         $api     = PConfig::get($uid, 'statusnet', 'baseapi');
1551         $otoken  = PConfig::get($uid, 'statusnet', 'oauthtoken');
1552         $osecret = PConfig::get($uid, 'statusnet', 'oauthsecret');
1553         $own_url = PConfig::get($uid, 'statusnet', 'own_url');
1554
1555         $contact_id = 0;
1556
1557         if ($own_url == "") {
1558                 $connection = new StatusNetOAuth($api, $ckey, $csecret, $otoken, $osecret);
1559
1560                 // Fetching user data
1561                 $user = $connection->get('account/verify_credentials');
1562
1563                 PConfig::set($uid, 'statusnet', 'own_url', Strings::normaliseLink($user->statusnet_profile_url));
1564
1565                 $contact_id = statusnet_fetch_contact($uid, $user, true);
1566         } else {
1567                 $r = q("SELECT * FROM `contact` WHERE `uid` = %d AND `alias` = '%s' LIMIT 1",
1568                         intval($uid), DBA::escape($own_url));
1569                 if (DBA::isResult($r)) {
1570                         $contact_id = $r[0]["id"];
1571                 } else {
1572                         PConfig::delete($uid, 'statusnet', 'own_url');
1573                 }
1574         }
1575         return $contact_id;
1576 }
1577
1578 function statusnet_is_retweet(App $a, $uid, $body)
1579 {
1580         $body = trim($body);
1581
1582         // Skip if it isn't a pure repeated messages
1583         // Does it start with a share?
1584         if (strpos($body, "[share") > 0) {
1585                 return false;
1586         }
1587
1588         // Does it end with a share?
1589         if (strlen($body) > (strrpos($body, "[/share]") + 8)) {
1590                 return false;
1591         }
1592
1593         $attributes = preg_replace("/\[share(.*?)\]\s?(.*?)\s?\[\/share\]\s?/ism", "$1", $body);
1594         // Skip if there is no shared message in there
1595         if ($body == $attributes) {
1596                 return false;
1597         }
1598
1599         $link = "";
1600         preg_match("/link='(.*?)'/ism", $attributes, $matches);
1601         if (!empty($matches[1])) {
1602                 $link = $matches[1];
1603         }
1604
1605         preg_match('/link="(.*?)"/ism', $attributes, $matches);
1606         if (!empty($matches[1])) {
1607                 $link = $matches[1];
1608         }
1609
1610         $ckey    = PConfig::get($uid, 'statusnet', 'consumerkey');
1611         $csecret = PConfig::get($uid, 'statusnet', 'consumersecret');
1612         $api     = PConfig::get($uid, 'statusnet', 'baseapi');
1613         $otoken  = PConfig::get($uid, 'statusnet', 'oauthtoken');
1614         $osecret = PConfig::get($uid, 'statusnet', 'oauthsecret');
1615         $hostname = preg_replace("=https?://([\w\.]*)/.*=ism", "$1", $api);
1616
1617         $id = preg_replace("=https?://" . $hostname . "/notice/(.*)=ism", "$1", $link);
1618
1619         if ($id == $link) {
1620                 return false;
1621         }
1622
1623         Logger::log('statusnet_is_retweet: Retweeting id ' . $id . ' for user ' . $uid, Logger::DEBUG);
1624
1625         $connection = new StatusNetOAuth($api, $ckey, $csecret, $otoken, $osecret);
1626
1627         $result = $connection->post('statuses/retweet/' . $id);
1628
1629         Logger::log('statusnet_is_retweet: result ' . print_r($result, true), Logger::DEBUG);
1630
1631         return isset($result->id);
1632 }