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 $a, array &$jotnets_fields)
 105 {
 106         if (!local_user()) {
 107                 return;
 108         }
 109
 110         if (PConfig::get(local_user(), 'statusnet', 'post')) {
 111                 $jotnets_fields[] = [
 112                         'type' => 'checkbox',
 113                         'field' => [
 114                                 'statusnet_enable',
 115                                 L10n::t('Post to GNU Social'),
 116                                 PConfig::get(local_user(), 'statusnet', 'post_by_default')
 117                         ]
 118                 ];
 119         }
 120 }
 121
 122 function statusnet_settings_post(App $a, $post)
 123 {
 124         if (!local_user()) {
 125                 return;
 126         }
 127         // don't check GNU Social settings if GNU Social submit button is not clicked
 128         if (empty($_POST['statusnet-submit'])) {
 129                 return;
 130         }
 131
 132         if (isset($_POST['statusnet-disconnect'])) {
 133                 /*               * *
 134                  * if the GNU Social-disconnect checkbox is set, clear the GNU Social configuration
 135                  */
 136                 PConfig::delete(local_user(), 'statusnet', 'consumerkey');
 137                 PConfig::delete(local_user(), 'statusnet', 'consumersecret');
 138                 PConfig::delete(local_user(), 'statusnet', 'post');
 139                 PConfig::delete(local_user(), 'statusnet', 'post_by_default');
 140                 PConfig::delete(local_user(), 'statusnet', 'oauthtoken');
 141                 PConfig::delete(local_user(), 'statusnet', 'oauthsecret');
 142                 PConfig::delete(local_user(), 'statusnet', 'baseapi');
 143                 PConfig::delete(local_user(), 'statusnet', 'lastid');
 144                 PConfig::delete(local_user(), 'statusnet', 'mirror_posts');
 145                 PConfig::delete(local_user(), 'statusnet', 'import');
 146                 PConfig::delete(local_user(), 'statusnet', 'create_user');
 147                 PConfig::delete(local_user(), 'statusnet', 'own_url');
 148         } else {
 149                 if (isset($_POST['statusnet-preconf-apiurl'])) {
 150                         /*                       * *
 151                          * If the user used one of the preconfigured GNU Social server credentials
 152                          * use them. All the data are available in the global config.
 153                          * Check the API Url never the less and blame the admin if it's not working ^^
 154                          */
 155                         $globalsn = Config::get('statusnet', 'sites');
 156                         foreach ($globalsn as $asn) {
 157                                 if ($asn['apiurl'] == $_POST['statusnet-preconf-apiurl']) {
 158                                         $apibase = $asn['apiurl'];
 159                                         $c = Network::fetchUrl($apibase . 'statusnet/version.xml');
 160                                         if (strlen($c) > 0) {
 161                                                 PConfig::set(local_user(), 'statusnet', 'consumerkey', $asn['consumerkey']);
 162                                                 PConfig::set(local_user(), 'statusnet', 'consumersecret', $asn['consumersecret']);
 163                                                 PConfig::set(local_user(), 'statusnet', 'baseapi', $asn['apiurl']);
 164                                                 //PConfig::set(local_user(), 'statusnet', 'application_name', $asn['applicationname'] );
 165                                         } else {
 166                                                 notice(L10n::t('Please contact your site administrator.<br />The provided API URL is not valid.') . EOL . $asn['apiurl'] . EOL);
 167                                         }
 168                                 }
 169                         }
 170                         $a->internalRedirect('settings/connectors');
 171                 } else {
 172                         if (isset($_POST['statusnet-consumersecret'])) {
 173                                 //  check if we can reach the API of the GNU Social server
 174                                 //  we'll check the API Version for that, if we don't get one we'll try to fix the path but will
 175                                 //  resign quickly after this one try to fix the path ;-)
 176                                 $apibase = $_POST['statusnet-baseapi'];
 177                                 $c = Network::fetchUrl($apibase . 'statusnet/version.xml');
 178                                 if (strlen($c) > 0) {
 179                                         //  ok the API path is correct, let's save the settings
 180                                         PConfig::set(local_user(), 'statusnet', 'consumerkey', $_POST['statusnet-consumerkey']);
 181                                         PConfig::set(local_user(), 'statusnet', 'consumersecret', $_POST['statusnet-consumersecret']);
 182                                         PConfig::set(local_user(), 'statusnet', 'baseapi', $apibase);
 183                                         //PConfig::set(local_user(), 'statusnet', 'application_name', $_POST['statusnet-applicationname'] );
 184                                 } else {
 185                                         //  the API path is not correct, maybe missing trailing / ?
 186                                         $apibase = $apibase . '/';
 187                                         $c = Network::fetchUrl($apibase . 'statusnet/version.xml');
 188                                         if (strlen($c) > 0) {
 189                                                 //  ok the API path is now correct, let's save the settings
 190                                                 PConfig::set(local_user(), 'statusnet', 'consumerkey', $_POST['statusnet-consumerkey']);
 191                                                 PConfig::set(local_user(), 'statusnet', 'consumersecret', $_POST['statusnet-consumersecret']);
 192                                                 PConfig::set(local_user(), 'statusnet', 'baseapi', $apibase);
 193                                         } else {
 194                                                 //  still not the correct API base, let's do noting
 195                                                 notice(L10n::t('We could not contact the GNU Social API with the Path you entered.') . EOL);
 196                                         }
 197                                 }
 198                                 $a->internalRedirect('settings/connectors');
 199                         } else {
 200                                 if (isset($_POST['statusnet-pin'])) {
 201                                         //  if the user supplied us with a PIN from GNU Social, let the magic of OAuth happen
 202                                         $api = PConfig::get(local_user(), 'statusnet', 'baseapi');
 203                                         $ckey = PConfig::get(local_user(), 'statusnet', 'consumerkey');
 204                                         $csecret = PConfig::get(local_user(), 'statusnet', 'consumersecret');
 205                                         //  the token and secret for which the PIN was generated were hidden in the settings
 206                                         //  form as token and token2, we need a new connection to GNU Social using these token
 207                                         //  and secret to request a Access Token with the PIN
 208                                         $connection = new StatusNetOAuth($api, $ckey, $csecret, $_POST['statusnet-token'], $_POST['statusnet-token2']);
 209                                         $token = $connection->getAccessToken($_POST['statusnet-pin']);
 210                                         //  ok, now that we have the Access Token, save them in the user config
 211                                         PConfig::set(local_user(), 'statusnet', 'oauthtoken', $token['oauth_token']);
 212                                         PConfig::set(local_user(), 'statusnet', 'oauthsecret', $token['oauth_token_secret']);
 213                                         PConfig::set(local_user(), 'statusnet', 'post', 1);
 214                                         PConfig::set(local_user(), 'statusnet', 'post_taglinks', 1);
 215                                         //  reload the Addon Settings page, if we don't do it see Bug #42
 216                                         $a->internalRedirect('settings/connectors');
 217                                 } else {
 218                                         //  if no PIN is supplied in the POST variables, the user has changed the setting
 219                                         //  to post a dent for every new __public__ posting to the wall
 220                                         PConfig::set(local_user(), 'statusnet', 'post', intval($_POST['statusnet-enable']));
 221                                         PConfig::set(local_user(), 'statusnet', 'post_by_default', intval($_POST['statusnet-default']));
 222                                         PConfig::set(local_user(), 'statusnet', 'mirror_posts', intval($_POST['statusnet-mirror']));
 223                                         PConfig::set(local_user(), 'statusnet', 'import', intval($_POST['statusnet-import']));
 224                                         PConfig::set(local_user(), 'statusnet', 'create_user', intval($_POST['statusnet-create_user']));
 225
 226                                         if (!intval($_POST['statusnet-mirror']))
 227                                                 PConfig::delete(local_user(), 'statusnet', 'lastid');
 228
 229                                         info(L10n::t('GNU Social settings updated.') . EOL);
 230                                 }
 231                         }
 232                 }
 233         }
 234 }
 235
 236 function statusnet_settings(App $a, &$s)
 237 {
 238         if (!local_user()) {
 239                 return;
 240         }
 241         $a->page['htmlhead'] .= '<link rel="stylesheet"  type="text/css" href="' . $a->getBaseURL() . '/addon/statusnet/statusnet.css' . '" media="all" />' . "\r\n";
 242         /*       * *
 243          * 1) Check that we have a base api url and a consumer key & secret
 244          * 2) If no OAuthtoken & stuff is present, generate button to get some
 245          *    allow the user to cancel the connection process at this step
 246          * 3) Checkbox for "Send public notices (respect size limitation)
 247          */
 248         $api     = PConfig::get(local_user(), 'statusnet', 'baseapi');
 249         $ckey    = PConfig::get(local_user(), 'statusnet', 'consumerkey');
 250         $csecret = PConfig::get(local_user(), 'statusnet', 'consumersecret');
 251         $otoken  = PConfig::get(local_user(), 'statusnet', 'oauthtoken');
 252         $osecret = PConfig::get(local_user(), 'statusnet', 'oauthsecret');
 253         $enabled = PConfig::get(local_user(), 'statusnet', 'post');
 254         $checked = (($enabled) ? ' checked="checked" ' : '');
 255         $defenabled = PConfig::get(local_user(), 'statusnet', 'post_by_default');
 256         $defchecked = (($defenabled) ? ' checked="checked" ' : '');
 257         $mirrorenabled = PConfig::get(local_user(), 'statusnet', 'mirror_posts');
 258         $mirrorchecked = (($mirrorenabled) ? ' checked="checked" ' : '');
 259         $import = PConfig::get(local_user(), 'statusnet', 'import');
 260         $importselected = ["", "", ""];
 261         $importselected[$import] = ' selected="selected"';
 262         //$importenabled = PConfig::get(local_user(),'statusnet','import');
 263         //$importchecked = (($importenabled) ? ' checked="checked" ' : '');
 264         $create_userenabled = PConfig::get(local_user(), 'statusnet', 'create_user');
 265         $create_userchecked = (($create_userenabled) ? ' checked="checked" ' : '');
 266
 267         $css = (($enabled) ? '' : '-disabled');
 268
 269         $s .= '<span id="settings_statusnet_inflated" class="settings-block fakelink" style="display: block;" onclick="openClose(\'settings_statusnet_expanded\'); openClose(\'settings_statusnet_inflated\');">';
 270         $s .= '<img class="connector' . $css . '" src="images/gnusocial.png" /><h3 class="connector">' . L10n::t('GNU Social Import/Export/Mirror') . '</h3>';
 271         $s .= '</span>';
 272         $s .= '<div id="settings_statusnet_expanded" class="settings-block" style="display: none;">';
 273         $s .= '<span class="fakelink" onclick="openClose(\'settings_statusnet_expanded\'); openClose(\'settings_statusnet_inflated\');">';
 274         $s .= '<img class="connector' . $css . '" src="images/gnusocial.png" /><h3 class="connector">' . L10n::t('GNU Social Import/Export/Mirror') . '</h3>';
 275         $s .= '</span>';
 276
 277         if ((!$ckey) && (!$csecret)) {
 278                 /*               * *
 279                  * no consumer keys
 280                  */
 281                 $globalsn = Config::get('statusnet', 'sites');
 282                 /*               * *
 283                  * lets check if we have one or more globally configured GNU Social
 284                  * server OAuth credentials in the configuration. If so offer them
 285                  * with a little explanation to the user as choice - otherwise
 286                  * ignore this option entirely.
 287                  */
 288                 if (!$globalsn == null) {
 289                         $s .= '<h4>' . L10n::t('Globally Available GNU Social OAuthKeys') . '</h4>';
 290                         $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>';
 291                         $s .= '<div id="statusnet-preconf-wrapper">';
 292                         foreach ($globalsn as $asn) {
 293                                 $s .= '<input type="radio" name="statusnet-preconf-apiurl" value="' . $asn['apiurl'] . '">' . $asn['sitename'] . '<br />';
 294                         }
 295                         $s .= '<p></p><div class="clear"></div></div>';
 296                         $s .= '<div class="settings-submit-wrapper" ><input type="submit" name="statusnet-submit" class="settings-submit" value="' . L10n::t('Save Settings') . '" /></div>';
 297                 }
 298                 $s .= '<h4>' . L10n::t('Provide your own OAuth Credentials') . '</h4>';
 299                 $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>';
 300                 $s .= '<div id="statusnet-consumer-wrapper">';
 301                 $s .= '<label id="statusnet-consumerkey-label" for="statusnet-consumerkey">' . L10n::t('OAuth Consumer Key') . '</label>';
 302                 $s .= '<input id="statusnet-consumerkey" type="text" name="statusnet-consumerkey" size="35" /><br />';
 303                 $s .= '<div class="clear"></div>';
 304                 $s .= '<label id="statusnet-consumersecret-label" for="statusnet-consumersecret">' . L10n::t('OAuth Consumer Secret') . '</label>';
 305                 $s .= '<input id="statusnet-consumersecret" type="text" name="statusnet-consumersecret" size="35" /><br />';
 306                 $s .= '<div class="clear"></div>';
 307                 $s .= '<label id="statusnet-baseapi-label" for="statusnet-baseapi">' . L10n::t("Base API Path \x28remember the trailing /\x29") . '</label>';
 308                 $s .= '<input id="statusnet-baseapi" type="text" name="statusnet-baseapi" size="35" /><br />';
 309                 $s .= '<div class="clear"></div>';
 310                 //$s .= '<label id="statusnet-applicationname-label" for="statusnet-applicationname">'.L10n::t('GNU Socialapplication name').'</label>';
 311                 //$s .= '<input id="statusnet-applicationname" type="text" name="statusnet-applicationname" size="35" /><br />';
 312                 $s .= '<p></p><div class="clear"></div>';
 313                 $s .= '<div class="settings-submit-wrapper" ><input type="submit" name="statusnet-submit" class="settings-submit" value="' . L10n::t('Save Settings') . '" /></div>';
 314                 $s .= '</div>';
 315         } else {
 316                 /*               * *
 317                  * ok we have a consumer key pair now look into the OAuth stuff
 318                  */
 319                 if ((!$otoken) && (!$osecret)) {
 320                         /*                       * *
 321                          * the user has not yet connected the account to GNU Social
 322                          * get a temporary OAuth key/secret pair and display a button with
 323                          * which the user can request a PIN to connect the account to a
 324                          * account at GNU Social
 325                          */
 326                         $connection = new StatusNetOAuth($api, $ckey, $csecret);
 327                         $request_token = $connection->getRequestToken('oob');
 328                         $token = $request_token['oauth_token'];
 329                         /*                       * *
 330                          *  make some nice form
 331                          */
 332                         $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>';
 333                         $s .= '<a href="' . $connection->getAuthorizeURL($token, False) . '" target="_statusnet"><img src="addon/statusnet/signinwithstatusnet.png" alt="' . L10n::t('Log in with GNU Social') . '"></a>';
 334                         $s .= '<div id="statusnet-pin-wrapper">';
 335                         $s .= '<label id="statusnet-pin-label" for="statusnet-pin">' . L10n::t('Copy the security code from GNU Social here') . '</label>';
 336                         $s .= '<input id="statusnet-pin" type="text" name="statusnet-pin" />';
 337                         $s .= '<input id="statusnet-token" type="hidden" name="statusnet-token" value="' . $token . '" />';
 338                         $s .= '<input id="statusnet-token2" type="hidden" name="statusnet-token2" value="' . $request_token['oauth_token_secret'] . '" />';
 339                         $s .= '</div><div class="clear"></div>';
 340                         $s .= '<div class="settings-submit-wrapper" ><input type="submit" name="statusnet-submit" class="settings-submit" value="' . L10n::t('Save Settings') . '" /></div>';
 341                         $s .= '<h4>' . L10n::t('Cancel Connection Process') . '</h4>';
 342                         $s .= '<div id="statusnet-cancel-wrapper">';
 343                         $s .= '<p>' . L10n::t('Current GNU Social API is') . ': ' . $api . '</p>';
 344                         $s .= '<label id="statusnet-cancel-label" for="statusnet-cancel">' . L10n::t('Cancel GNU Social Connection') . '</label>';
 345                         $s .= '<input id="statusnet-cancel" type="checkbox" name="statusnet-disconnect" value="1" />';
 346                         $s .= '</div><div class="clear"></div>';
 347                         $s .= '<div class="settings-submit-wrapper" ><input type="submit" name="statusnet-submit" class="settings-submit" value="' . L10n::t('Save Settings') . '" /></div>';
 348                 } else {
 349                         /*                       * *
 350                          *  we have an OAuth key / secret pair for the user
 351                          *  so let's give a chance to disable the postings to GNU Social
 352                          */
 353                         $connection = new StatusNetOAuth($api, $ckey, $csecret, $otoken, $osecret);
 354                         $details = $connection->get('account/verify_credentials');
 355                         if (!empty($details)) {
 356                                 $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>';
 357                         }
 358                         $s .= '<p>' . L10n::t('If enabled all your <strong>public</strong> postings can be posted to the associated GNU Social account. You can choose to do so by default (here) or for every posting separately in the posting options when writing the entry.') . '</p>';
 359                         if ($a->user['hidewall']) {
 360                                 $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>';
 361                         }
 362                         $s .= '<div id="statusnet-enable-wrapper">';
 363                         $s .= '<label id="statusnet-enable-label" for="statusnet-checkbox">' . L10n::t('Allow posting to GNU Social') . '</label>';
 364                         $s .= '<input id="statusnet-checkbox" type="checkbox" name="statusnet-enable" value="1" ' . $checked . '/>';
 365                         $s .= '<div class="clear"></div>';
 366                         $s .= '<label id="statusnet-default-label" for="statusnet-default">' . L10n::t('Send public postings to GNU Social by default') . '</label>';
 367                         $s .= '<input id="statusnet-default" type="checkbox" name="statusnet-default" value="1" ' . $defchecked . '/>';
 368                         $s .= '<div class="clear"></div>';
 369
 370                         $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>';
 371                         $s .= '<input id="statusnet-mirror" type="checkbox" name="statusnet-mirror" value="1" ' . $mirrorchecked . '/>';
 372
 373                         $s .= '<div class="clear"></div>';
 374                         $s .= '</div>';
 375
 376                         $s .= '<label id="statusnet-import-label" for="statusnet-import">' . L10n::t('Import the remote timeline') . '</label>';
 377                         //$s .= '<input id="statusnet-import" type="checkbox" name="statusnet-import" value="1" '. $importchecked . '/>';
 378
 379                         $s .= '<select name="statusnet-import" id="statusnet-import" />';
 380                         $s .= '<option value="0" ' . $importselected[0] . '>' . L10n::t("Disabled") . '</option>';
 381                         $s .= '<option value="1" ' . $importselected[1] . '>' . L10n::t("Full Timeline") . '</option>';
 382                         $s .= '<option value="2" ' . $importselected[2] . '>' . L10n::t("Only Mentions") . '</option>';
 383                         $s .= '</select>';
 384                         $s .= '<div class="clear"></div>';
 385                         /*
 386                           $s .= '<label id="statusnet-create_user-label" for="statusnet-create_user">'.L10n::t('Automatically create contacts').'</label>';
 387                           $s .= '<input id="statusnet-create_user" type="checkbox" name="statusnet-create_user" value="1" '. $create_userchecked . '/>';
 388                           $s .= '<div class="clear"></div>';
 389                          */
 390                         $s .= '<div id="statusnet-disconnect-wrapper">';
 391                         $s .= '<label id="statusnet-disconnect-label" for="statusnet-disconnect">' . L10n::t('Clear OAuth configuration') . '</label>';
 392                         $s .= '<input id="statusnet-disconnect" type="checkbox" name="statusnet-disconnect" value="1" />';
 393                         $s .= '</div><div class="clear"></div>';
 394                         $s .= '<div class="settings-submit-wrapper" ><input type="submit" name="statusnet-submit" class="settings-submit" value="' . L10n::t('Save Settings') . '" /></div>';
 395                 }
 396         }
 397         $s .= '</div><div class="clear"></div>';
 398 }
 399
 400 function statusnet_hook_fork(App $a, array &$b)
 401 {
 402         if ($b['name'] != 'notifier_normal') {
 403                 return;
 404         }
 405
 406         $post = $b['data'];
 407
 408         // Deleting and editing is not supported by the addon
 409         if ($post['deleted'] || ($post['created'] !== $post['edited'])) {
 410                 $b['execute'] = false;
 411                 return;
 412         }
 413
 414         // if post comes from GNU Social don't send it back
 415         if ($post['extid'] == Protocol::STATUSNET) {
 416                 $b['execute'] = false;
 417                 return;
 418         }
 419
 420         if ($post['app'] == 'StatusNet') {
 421                 $b['execute'] = false;
 422                 return;
 423         }
 424
 425         if (PConfig::get($post['uid'], 'statusnet', 'import')) {
 426                 // Don't fork if it isn't a reply to a GNU Social post
 427                 if (($post['parent'] != $post['id']) && !Item::exists(['id' => $post['parent'], 'network' => Protocol::STATUSNET])) {
 428                         Logger::log('No GNU Social parent found for item ' . $post['id']);
 429                         $b['execute'] = false;
 430                         return;
 431                 }
 432         } else {
 433                 // Comments are never exported when we don't import the GNU Social timeline
 434                 if (!strstr($post['postopts'], 'statusnet') || ($post['parent'] != $post['id']) || $post['private']) {
 435                         $b['execute'] = false;
 436                         return;
 437                 }
 438         }
 439 }
 440
 441 function statusnet_post_local(App $a, &$b)
 442 {
 443         if ($b['edit']) {
 444                 return;
 445         }
 446
 447         if (!local_user() || (local_user() != $b['uid'])) {
 448                 return;
 449         }
 450
 451         $statusnet_post = PConfig::get(local_user(), 'statusnet', 'post');
 452         $statusnet_enable = (($statusnet_post && !empty($_REQUEST['statusnet_enable'])) ? intval($_REQUEST['statusnet_enable']) : 0);
 453
 454         // if API is used, default to the chosen settings
 455         if ($b['api_source'] && intval(PConfig::get(local_user(), 'statusnet', 'post_by_default'))) {
 456                 $statusnet_enable = 1;
 457         }
 458
 459         if (!$statusnet_enable) {
 460                 return;
 461         }
 462
 463         if (strlen($b['postopts'])) {
 464                 $b['postopts'] .= ',';
 465         }
 466
 467         $b['postopts'] .= 'statusnet';
 468 }
 469
 470 function statusnet_action(App $a, $uid, $pid, $action)
 471 {
 472         $api = PConfig::get($uid, 'statusnet', 'baseapi');
 473         $ckey = PConfig::get($uid, 'statusnet', 'consumerkey');
 474         $csecret = PConfig::get($uid, 'statusnet', 'consumersecret');
 475         $otoken = PConfig::get($uid, 'statusnet', 'oauthtoken');
 476         $osecret = PConfig::get($uid, 'statusnet', 'oauthsecret');
 477
 478         $connection = new StatusNetOAuth($api, $ckey, $csecret, $otoken, $osecret);
 479
 480         Logger::log("statusnet_action '" . $action . "' ID: " . $pid, Logger::DATA);
 481
 482         switch ($action) {
 483                 case "delete":
 484                         $result = $connection->post("statuses/destroy/" . $pid);
 485                         break;
 486                 case "like":
 487                         $result = $connection->post("favorites/create/" . $pid);
 488                         break;
 489                 case "unlike":
 490                         $result = $connection->post("favorites/destroy/" . $pid);
 491                         break;
 492         }
 493         Logger::log("statusnet_action '" . $action . "' send, result: " . print_r($result, true), Logger::DEBUG);
 494 }
 495
 496 function statusnet_post_hook(App $a, &$b)
 497 {
 498         /**
 499          * Post to GNU Social
 500          */
 501         if (!PConfig::get($b["uid"], 'statusnet', 'import')) {
 502                 if ($b['deleted'] || $b['private'] || ($b['created'] !== $b['edited']))
 503                         return;
 504         }
 505
 506         $api = PConfig::get($b["uid"], 'statusnet', 'baseapi');
 507         $hostname = preg_replace("=https?://([\w\.]*)/.*=ism", "$1", $api);
 508
 509         if ($b['parent'] != $b['id']) {
 510                 Logger::log("statusnet_post_hook: parameter " . print_r($b, true), Logger::DATA);
 511
 512                 // Looking if its a reply to a GNU Social post
 513                 $hostlength = strlen($hostname) + 2;
 514                 if ((substr($b["parent-uri"], 0, $hostlength) != $hostname . "::") && (substr($b["extid"], 0, $hostlength) != $hostname . "::") && (substr($b["thr-parent"], 0, $hostlength) != $hostname . "::")) {
 515                         Logger::log("statusnet_post_hook: no GNU Social post " . $b["parent"]);
 516                         return;
 517                 }
 518
 519                 $condition = ['uri' => $b["thr-parent"], 'uid' => $b["uid"]];
 520                 $orig_post = Item::selectFirst(['author-link', 'uri'], $condition);
 521                 if (!DBA::isResult($orig_post)) {
 522                         Logger::log("statusnet_post_hook: no parent found " . $b["thr-parent"]);
 523                         return;
 524                 } else {
 525                         $iscomment = true;
 526                 }
 527
 528                 $nick = preg_replace("=https?://(.*)/(.*)=ism", "$2", $orig_post["author-link"]);
 529
 530                 $nickname = "@[url=" . $orig_post["author-link"] . "]" . $nick . "[/url]";
 531                 $nicknameplain = "@" . $nick;
 532
 533                 Logger::log("statusnet_post_hook: comparing " . $nickname . " and " . $nicknameplain . " with " . $b["body"], Logger::DEBUG);
 534                 if ((strpos($b["body"], $nickname) === false) && (strpos($b["body"], $nicknameplain) === false)) {
 535                         $b["body"] = $nickname . " " . $b["body"];
 536                 }
 537
 538                 Logger::log("statusnet_post_hook: parent found " . print_r($orig_post, true), Logger::DEBUG);
 539         } else {
 540                 $iscomment = false;
 541
 542                 if ($b['private'] || !strstr($b['postopts'], 'statusnet')) {
 543                         return;
 544                 }
 545
 546                 // Dont't post if the post doesn't belong to us.
 547                 // This is a check for forum postings
 548                 $self = DBA::selectFirst('contact', ['id'], ['uid' => $b['uid'], 'self' => true]);
 549                 if ($b['contact-id'] != $self['id']) {
 550                         return;
 551                 }
 552         }
 553
 554         if (($b['verb'] == ACTIVITY_POST) && $b['deleted']) {
 555                 statusnet_action($a, $b["uid"], substr($orig_post["uri"], $hostlength), "delete");
 556         }
 557
 558         if ($b['verb'] == ACTIVITY_LIKE) {
 559                 Logger::log("statusnet_post_hook: parameter 2 " . substr($b["thr-parent"], $hostlength), Logger::DEBUG);
 560                 if ($b['deleted'])
 561                         statusnet_action($a, $b["uid"], substr($b["thr-parent"], $hostlength), "unlike");
 562                 else
 563                         statusnet_action($a, $b["uid"], substr($b["thr-parent"], $hostlength), "like");
 564                 return;
 565         }
 566
 567         if ($b['deleted'] || ($b['created'] !== $b['edited'])) {
 568                 return;
 569         }
 570
 571         // if posts comes from GNU Social don't send it back
 572         if ($b['extid'] == Protocol::STATUSNET) {
 573                 return;
 574         }
 575
 576         if ($b['app'] == "StatusNet") {
 577                 return;
 578         }
 579
 580         Logger::log('GNU Socialpost invoked');
 581
 582         PConfig::load($b['uid'], 'statusnet');
 583
 584         $api     = PConfig::get($b['uid'], 'statusnet', 'baseapi');
 585         $ckey    = PConfig::get($b['uid'], 'statusnet', 'consumerkey');
 586         $csecret = PConfig::get($b['uid'], 'statusnet', 'consumersecret');
 587         $otoken  = PConfig::get($b['uid'], 'statusnet', 'oauthtoken');
 588         $osecret = PConfig::get($b['uid'], 'statusnet', 'oauthsecret');
 589
 590         if ($ckey && $csecret && $otoken && $osecret) {
 591                 // If it's a repeated message from GNU Social then do a native retweet and exit
 592                 if (statusnet_is_retweet($a, $b['uid'], $b['body'])) {
 593                         return;
 594                 }
 595
 596                 $dent = new StatusNetOAuth($api, $ckey, $csecret, $otoken, $osecret);
 597                 $max_char = $dent->get_maxlength(); // max. length for a dent
 598
 599                 PConfig::set($b['uid'], 'statusnet', 'max_char', $max_char);
 600
 601                 $tempfile = "";
 602                 $msgarr = ItemContent::getPlaintextPost($b, $max_char, true, 7);
 603                 $msg = $msgarr["text"];
 604
 605                 if (($msg == "") && isset($msgarr["title"]))
 606                         $msg = Plaintext::shorten($msgarr["title"], $max_char - 50);
 607
 608                 $image = "";
 609
 610                 if (isset($msgarr["url"]) && ($msgarr["type"] != "photo")) {
 611                         $msg .= " \n" . $msgarr["url"];
 612                 } elseif (isset($msgarr["image"]) && ($msgarr["type"] != "video")) {
 613                         $image = $msgarr["image"];
 614                 }
 615
 616                 if ($image != "") {
 617                         $img_str = Network::fetchUrl($image);
 618                         $tempfile = tempnam(get_temppath(), "cache");
 619                         file_put_contents($tempfile, $img_str);
 620                         $postdata = ["status" => $msg, "media[]" => $tempfile];
 621                 } else {
 622                         $postdata = ["status" => $msg];
 623                 }
 624
 625                 // and now send it :-)
 626                 if (strlen($msg)) {
 627                         if ($iscomment) {
 628                                 $postdata["in_reply_to_status_id"] = substr($orig_post["uri"], $hostlength);
 629                                 Logger::log('statusnet_post send reply ' . print_r($postdata, true), Logger::DEBUG);
 630                         }
 631
 632                         // New code that is able to post pictures
 633                         require_once __DIR__ . DIRECTORY_SEPARATOR . 'library' . DIRECTORY_SEPARATOR . 'codebirdsn.php';
 634                         $cb = CodebirdSN::getInstance();
 635                         $cb->setAPIEndpoint($api);
 636                         $cb->setConsumerKey($ckey, $csecret);
 637                         $cb->setToken($otoken, $osecret);
 638                         $result = $cb->statuses_update($postdata);
 639                         //$result = $dent->post('statuses/update', $postdata);
 640                         Logger::log('statusnet_post send, result: ' . print_r($result, true) .
 641                                 "\nmessage: " . $msg . "\nOriginal post: " . print_r($b, true) . "\nPost Data: " . print_r($postdata, true), Logger::DEBUG);
 642
 643                         if (!empty($result->source)) {
 644                                 PConfig::set($b["uid"], "statusnet", "application_name", strip_tags($result->source));
 645                         }
 646
 647                         if (!empty($result->error)) {
 648                                 Logger::log('Send to GNU Social failed: "' . $result->error . '"');
 649                         } elseif ($iscomment) {
 650                                 Logger::log('statusnet_post: Update extid ' . $result->id . " for post id " . $b['id']);
 651                                 Item::update(['extid' => $hostname . "::" . $result->id, 'body' => $result->text], ['id' => $b['id']]);
 652                         }
 653                 }
 654                 if ($tempfile != "") {
 655                         unlink($tempfile);
 656                 }
 657         }
 658 }
 659
 660 function statusnet_addon_admin_post(App $a)
 661 {
 662         $sites = [];
 663
 664         foreach ($_POST['sitename'] as $id => $sitename) {
 665                 $sitename = trim($sitename);
 666                 $apiurl = trim($_POST['apiurl'][$id]);
 667                 if (!(substr($apiurl, -1) == '/')) {
 668                         $apiurl = $apiurl . '/';
 669                 }
 670                 $secret = trim($_POST['secret'][$id]);
 671                 $key = trim($_POST['key'][$id]);
 672                 //$applicationname = (!empty($_POST['applicationname']) ? Strings::escapeTags(trim($_POST['applicationname'][$id])):'');
 673                 if ($sitename != "" &&
 674                         $apiurl != "" &&
 675                         $secret != "" &&
 676                         $key != "" &&
 677                         empty($_POST['delete'][$id])) {
 678
 679                         $sites[] = [
 680                                 'sitename' => $sitename,
 681                                 'apiurl' => $apiurl,
 682                                 'consumersecret' => $secret,
 683                                 'consumerkey' => $key,
 684                                 //'applicationname' => $applicationname
 685                         ];
 686                 }
 687         }
 688
 689         $sites = Config::set('statusnet', 'sites', $sites);
 690 }
 691
 692 function statusnet_addon_admin(App $a, &$o)
 693 {
 694         $sites = Config::get('statusnet', 'sites');
 695         $sitesform = [];
 696         if (is_array($sites)) {
 697                 foreach ($sites as $id => $s) {
 698                         $sitesform[] = [
 699                                 'sitename' => ["sitename[$id]", "Site name", $s['sitename'], ""],
 700                                 'apiurl' => ["apiurl[$id]", "Api url", $s['apiurl'], L10n::t("Base API Path \x28remember the trailing /\x29")],
 701                                 'secret' => ["secret[$id]", "Secret", $s['consumersecret'], ""],
 702                                 'key' => ["key[$id]", "Key", $s['consumerkey'], ""],
 703                                 //'applicationname' => Array("applicationname[$id]", "Application name", $s['applicationname'], ""),
 704                                 'delete' => ["delete[$id]", "Delete", False, "Check to delete this preset"],
 705                         ];
 706                 }
 707         }
 708         /* empty form to add new site */
 709         $id = count($sitesform);
 710         $sitesform[] = [
 711                 'sitename' => ["sitename[$id]", L10n::t("Site name"), "", ""],
 712                 'apiurl' => ["apiurl[$id]", "Api url", "", L10n::t("Base API Path \x28remember the trailing /\x29")],
 713                 'secret' => ["secret[$id]", L10n::t("Consumer Secret"), "", ""],
 714                 'key' => ["key[$id]", L10n::t("Consumer Key"), "", ""],
 715                 //'applicationname' => Array("applicationname[$id]", L10n::t("Application name"), "", ""),
 716         ];
 717
 718         $t = Renderer::getMarkupTemplate("admin.tpl", "addon/statusnet/");
 719         $o = Renderer::replaceMacros($t, [
 720                 '$submit' => L10n::t('Save Settings'),
 721                 '$sites' => $sitesform,
 722         ]);
 723 }
 724
 725 function statusnet_prepare_body(App $a, &$b)
 726 {
 727         if ($b["item"]["network"] != Protocol::STATUSNET) {
 728                 return;
 729         }
 730
 731         if ($b["preview"]) {
 732                 $max_char = PConfig::get(local_user(), 'statusnet', 'max_char');
 733                 if (intval($max_char) == 0) {
 734                         $max_char = 140;
 735                 }
 736
 737                 $item = $b["item"];
 738                 $item["plink"] = $a->getBaseURL() . "/display/" . $item["guid"];
 739
 740                 $condition = ['uri' => $item["thr-parent"], 'uid' => local_user()];
 741                 $orig_post = Item::selectFirst(['author-link', 'uri'], $condition);
 742                 if (DBA::isResult($orig_post)) {
 743                         $nick = preg_replace("=https?://(.*)/(.*)=ism", "$2", $orig_post["author-link"]);
 744
 745                         $nickname = "@[url=" . $orig_post["author-link"] . "]" . $nick . "[/url]";
 746                         $nicknameplain = "@" . $nick;
 747
 748                         if ((strpos($item["body"], $nickname) === false) && (strpos($item["body"], $nicknameplain) === false)) {
 749                                 $item["body"] = $nickname . " " . $item["body"];
 750                         }
 751                 }
 752
 753                 $msgarr = ItemContent::getPlaintextPost($item, $max_char, true, 7);
 754                 $msg = $msgarr["text"];
 755
 756                 if (isset($msgarr["url"]) && ($msgarr["type"] != "photo")) {
 757                         $msg .= " " . $msgarr["url"];
 758                 }
 759
 760                 if (isset($msgarr["image"])) {
 761                         $msg .= " " . $msgarr["image"];
 762                 }
 763
 764                 $b['html'] = nl2br(htmlspecialchars($msg));
 765         }
 766 }
 767
 768 function statusnet_cron(App $a, $b)
 769 {
 770         $last = Config::get('statusnet', 'last_poll');
 771
 772         $poll_interval = intval(Config::get('statusnet', 'poll_interval'));
 773         if (!$poll_interval) {
 774                 $poll_interval = STATUSNET_DEFAULT_POLL_INTERVAL;
 775         }
 776
 777         if ($last) {
 778                 $next = $last + ($poll_interval * 60);
 779                 if ($next > time()) {
 780                         Logger::log('statusnet: poll intervall not reached');
 781                         return;
 782                 }
 783         }
 784         Logger::log('statusnet: cron_start');
 785
 786         $r = q("SELECT * FROM `pconfig` WHERE `cat` = 'statusnet' AND `k` = 'mirror_posts' AND `v` = '1' ORDER BY RAND() ");
 787         if (DBA::isResult($r)) {
 788                 foreach ($r as $rr) {
 789                         Logger::log('statusnet: fetching for user ' . $rr['uid']);
 790                         statusnet_fetchtimeline($a, $rr['uid']);
 791                 }
 792         }
 793
 794         $abandon_days = intval(Config::get('system', 'account_abandon_days'));
 795         if ($abandon_days < 1) {
 796                 $abandon_days = 0;
 797         }
 798
 799         $abandon_limit = date(DateTimeFormat::MYSQL, time() - $abandon_days * 86400);
 800
 801         $r = q("SELECT * FROM `pconfig` WHERE `cat` = 'statusnet' AND `k` = 'import' AND `v` ORDER BY RAND()");
 802         if (DBA::isResult($r)) {
 803                 foreach ($r as $rr) {
 804                         if ($abandon_days != 0) {
 805                                 $user = q("SELECT `login_date` FROM `user` WHERE uid=%d AND `login_date` >= '%s'", $rr['uid'], $abandon_limit);
 806                                 if (!DBA::isResult($user)) {
 807                                         Logger::log('abandoned account: timeline from user ' . $rr['uid'] . ' will not be imported');
 808                                         continue;
 809                                 }
 810                         }
 811
 812                         Logger::log('statusnet: importing timeline from user ' . $rr['uid']);
 813                         statusnet_fetchhometimeline($a, $rr["uid"], $rr["v"]);
 814                 }
 815         }
 816
 817         Logger::log('statusnet: cron_end');
 818
 819         Config::set('statusnet', 'last_poll', time());
 820 }
 821
 822 function statusnet_fetchtimeline(App $a, $uid)
 823 {
 824         $ckey    = PConfig::get($uid, 'statusnet', 'consumerkey');
 825         $csecret = PConfig::get($uid, 'statusnet', 'consumersecret');
 826         $api     = PConfig::get($uid, 'statusnet', 'baseapi');
 827         $otoken  = PConfig::get($uid, 'statusnet', 'oauthtoken');
 828         $osecret = PConfig::get($uid, 'statusnet', 'oauthsecret');
 829         $lastid  = PConfig::get($uid, 'statusnet', 'lastid');
 830
 831         require_once 'mod/item.php';
 832         //  get the application name for the SN app
 833         //  1st try personal config, then system config and fallback to the
 834         //  hostname of the node if neither one is set.
 835         $application_name = PConfig::get($uid, 'statusnet', 'application_name');
 836         if ($application_name == "") {
 837                 $application_name = Config::get('statusnet', 'application_name');
 838         }
 839         if ($application_name == "") {
 840                 $application_name = $a->getHostName();
 841         }
 842
 843         $connection = new StatusNetOAuth($api, $ckey, $csecret, $otoken, $osecret);
 844
 845         $parameters = ["exclude_replies" => true, "trim_user" => true, "contributor_details" => false, "include_rts" => false];
 846
 847         $first_time = ($lastid == "");
 848
 849         if ($lastid <> "") {
 850                 $parameters["since_id"] = $lastid;
 851         }
 852
 853         $items = $connection->get('statuses/user_timeline', $parameters);
 854
 855         if (!is_array($items)) {
 856                 return;
 857         }
 858
 859         $posts = array_reverse($items);
 860
 861         if (count($posts)) {
 862                 foreach ($posts as $post) {
 863                         if ($post->id > $lastid)
 864                                 $lastid = $post->id;
 865
 866                         if ($first_time) {
 867                                 continue;
 868                         }
 869
 870                         if ($post->source == "activity") {
 871                                 continue;
 872                         }
 873
 874                         if (!empty($post->retweeted_status)) {
 875                                 continue;
 876                         }
 877
 878                         if ($post->in_reply_to_status_id != "") {
 879                                 continue;
 880                         }
 881
 882                         if (!stristr($post->source, $application_name)) {
 883                                 $_SESSION["authenticated"] = true;
 884                                 $_SESSION["uid"] = $uid;
 885
 886                                 unset($_REQUEST);
 887                                 $_REQUEST["api_source"] = true;
 888                                 $_REQUEST["profile_uid"] = $uid;
 889                                 //$_REQUEST["source"] = "StatusNet";
 890                                 $_REQUEST["source"] = $post->source;
 891                                 $_REQUEST["extid"] = Protocol::STATUSNET;
 892
 893                                 if (isset($post->id)) {
 894                                         $_REQUEST['message_id'] = Item::newURI($uid, Protocol::STATUSNET . ":" . $post->id);
 895                                 }
 896
 897                                 //$_REQUEST["date"] = $post->created_at;
 898
 899                                 $_REQUEST["title"] = "";
 900
 901                                 $_REQUEST["body"] = add_page_info_to_body($post->text, true);
 902                                 if (is_string($post->place->name)) {
 903                                         $_REQUEST["location"] = $post->place->name;
 904                                 }
 905
 906                                 if (is_string($post->place->full_name)) {
 907                                         $_REQUEST["location"] = $post->place->full_name;
 908                                 }
 909
 910                                 if (is_array($post->geo->coordinates)) {
 911                                         $_REQUEST["coord"] = $post->geo->coordinates[0] . " " . $post->geo->coordinates[1];
 912                                 }
 913
 914                                 if (is_array($post->coordinates->coordinates)) {
 915                                         $_REQUEST["coord"] = $post->coordinates->coordinates[1] . " " . $post->coordinates->coordinates[0];
 916                                 }
 917
 918                                 //print_r($_REQUEST);
 919                                 if ($_REQUEST["body"] != "") {
 920                                         Logger::log('statusnet: posting for user ' . $uid);
 921
 922                                         item_post($a);
 923                                 }
 924                         }
 925                 }
 926         }
 927         PConfig::set($uid, 'statusnet', 'lastid', $lastid);
 928 }
 929
 930 function statusnet_address($contact)
 931 {
 932         $hostname = Strings::normaliseLink($contact->statusnet_profile_url);
 933         $nickname = $contact->screen_name;
 934
 935         $hostname = preg_replace("=https?://([\w\.]*)/.*=ism", "$1", $contact->statusnet_profile_url);
 936
 937         $address = $contact->screen_name . "@" . $hostname;
 938
 939         return $address;
 940 }
 941
 942 function statusnet_fetch_contact($uid, $contact, $create_user)
 943 {
 944         if (empty($contact->statusnet_profile_url)) {
 945                 return -1;
 946         }
 947
 948         GContact::update(["url" => $contact->statusnet_profile_url,
 949                 "network" => Protocol::STATUSNET, "photo" => $contact->profile_image_url,
 950                 "name" => $contact->name, "nick" => $contact->screen_name,
 951                 "location" => $contact->location, "about" => $contact->description,
 952                 "addr" => statusnet_address($contact), "generation" => 3]);
 953
 954         $r = q("SELECT * FROM `contact` WHERE `uid` = %d AND `alias` = '%s' AND `network` = '%s'LIMIT 1", intval($uid), DBA::escape(Strings::normaliseLink($contact->statusnet_profile_url)), DBA::escape(Protocol::STATUSNET));
 955
 956         if (!DBA::isResult($r) && !$create_user) {
 957                 return 0;
 958         }
 959
 960         if (DBA::isResult($r) && ($r[0]["readonly"] || $r[0]["blocked"])) {
 961                 Logger::log("statusnet_fetch_contact: Contact '" . $r[0]["nick"] . "' is blocked or readonly.", Logger::DEBUG);
 962                 return -1;
 963         }
 964
 965         if (!DBA::isResult($r)) {
 966                 // create contact record
 967                 q("INSERT INTO `contact` ( `uid`, `created`, `url`, `nurl`, `addr`, `alias`, `notify`, `poll`,
 968                                         `name`, `nick`, `photo`, `network`, `rel`, `priority`,
 969                                         `location`, `about`, `writable`, `blocked`, `readonly`, `pending` )
 970                                         VALUES ( %d, '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', %d, %d, '%s', '%s', %d, 0, 0, 0 ) ",
 971                         intval($uid),
 972                         DBA::escape(DateTimeFormat::utcNow()),
 973                         DBA::escape($contact->statusnet_profile_url),
 974                         DBA::escape(Strings::normaliseLink($contact->statusnet_profile_url)),
 975                         DBA::escape(statusnet_address($contact)),
 976                         DBA::escape(Strings::normaliseLink($contact->statusnet_profile_url)),
 977                         DBA::escape(''),
 978                         DBA::escape(''),
 979                         DBA::escape($contact->name),
 980                         DBA::escape($contact->screen_name),
 981                         DBA::escape($contact->profile_image_url),
 982                         DBA::escape(Protocol::STATUSNET),
 983                         intval(Contact::FRIEND),
 984                         intval(1),
 985                         DBA::escape($contact->location),
 986                         DBA::escape($contact->description),
 987                         intval(1)
 988                 );
 989
 990                 $r = q("SELECT * FROM `contact` WHERE `alias` = '%s' AND `uid` = %d AND `network` = '%s' LIMIT 1",
 991                         DBA::escape($contact->statusnet_profile_url),
 992                         intval($uid),
 993                         DBA::escape(Protocol::STATUSNET));
 994
 995                 if (!DBA::isResult($r)) {
 996                         return false;
 997                 }
 998
 999                 $contact_id = $r[0]['id'];
1000
1001                 Group::addMember(User::getDefaultGroup($uid), $contact_id);
1002
1003                 $photos = Photo::importProfilePhoto($contact->profile_image_url, $uid, $contact_id);
1004
1005                 q("UPDATE `contact` SET `photo` = '%s',
1006                                         `thumb` = '%s',
1007                                         `micro` = '%s',
1008                                         `avatar-date` = '%s'
1009                                 WHERE `id` = %d",
1010                         DBA::escape($photos[0]),
1011                         DBA::escape($photos[1]),
1012                         DBA::escape($photos[2]),
1013                         DBA::escape(DateTimeFormat::utcNow()),
1014                         intval($contact_id)
1015                 );
1016         } else {
1017                 // update profile photos once every two weeks as we have no notification of when they change.
1018                 //$update_photo = (($r[0]['avatar-date'] < DateTimeFormat::convert('now -2 days', '', '', )) ? true : false);
1019                 $update_photo = ($r[0]['avatar-date'] < DateTimeFormat::utc('now -12 hours'));
1020
1021                 // check that we have all the photos, this has been known to fail on occasion
1022                 if ((!$r[0]['photo']) || (!$r[0]['thumb']) || (!$r[0]['micro']) || ($update_photo)) {
1023                         Logger::log("statusnet_fetch_contact: Updating contact " . $contact->screen_name, Logger::DEBUG);
1024
1025                         $photos = Photo::importProfilePhoto($contact->profile_image_url, $uid, $r[0]['id']);
1026
1027                         q("UPDATE `contact` SET `photo` = '%s',
1028                                                 `thumb` = '%s',
1029                                                 `micro` = '%s',
1030                                                 `name-date` = '%s',
1031                                                 `uri-date` = '%s',
1032                                                 `avatar-date` = '%s',
1033                                                 `url` = '%s',
1034                                                 `nurl` = '%s',
1035                                                 `addr` = '%s',
1036                                                 `name` = '%s',
1037                                                 `nick` = '%s',
1038                                                 `location` = '%s',
1039                                                 `about` = '%s'
1040                                         WHERE `id` = %d",
1041                                 DBA::escape($photos[0]),
1042                                 DBA::escape($photos[1]),
1043                                 DBA::escape($photos[2]),
1044                                 DBA::escape(DateTimeFormat::utcNow()),
1045                                 DBA::escape(DateTimeFormat::utcNow()),
1046                                 DBA::escape(DateTimeFormat::utcNow()),
1047                                 DBA::escape($contact->statusnet_profile_url),
1048                                 DBA::escape(Strings::normaliseLink($contact->statusnet_profile_url)),
1049                                 DBA::escape(statusnet_address($contact)),
1050                                 DBA::escape($contact->name),
1051                                 DBA::escape($contact->screen_name),
1052                                 DBA::escape($contact->location),
1053                                 DBA::escape($contact->description),
1054                                 intval($r[0]['id'])
1055                         );
1056                 }
1057         }
1058
1059         return $r[0]["id"];
1060 }
1061
1062 function statusnet_fetchuser(App $a, $uid, $screen_name = "", $user_id = "")
1063 {
1064         $ckey    = PConfig::get($uid, 'statusnet', 'consumerkey');
1065         $csecret = PConfig::get($uid, 'statusnet', 'consumersecret');
1066         $api     = PConfig::get($uid, 'statusnet', 'baseapi');
1067         $otoken  = PConfig::get($uid, 'statusnet', 'oauthtoken');
1068         $osecret = PConfig::get($uid, 'statusnet', 'oauthsecret');
1069
1070         require_once __DIR__ . DIRECTORY_SEPARATOR . 'library' . DIRECTORY_SEPARATOR . 'codebirdsn.php';
1071
1072         $cb = CodebirdSN::getInstance();
1073         $cb->setConsumerKey($ckey, $csecret);
1074         $cb->setToken($otoken, $osecret);
1075
1076         $r = q("SELECT * FROM `contact` WHERE `self` = 1 AND `uid` = %d LIMIT 1",
1077                 intval($uid));
1078
1079         if (DBA::isResult($r)) {
1080                 $self = $r[0];
1081         } else {
1082                 return;
1083         }
1084
1085         $parameters = [];
1086
1087         if ($screen_name != "") {
1088                 $parameters["screen_name"] = $screen_name;
1089         }
1090
1091         if ($user_id != "") {
1092                 $parameters["user_id"] = $user_id;
1093         }
1094
1095         // Fetching user data
1096         $user = $cb->users_show($parameters);
1097
1098         if (!is_object($user)) {
1099                 return;
1100         }
1101
1102         $contact_id = statusnet_fetch_contact($uid, $user, true);
1103
1104         return $contact_id;
1105 }
1106
1107 function statusnet_createpost(App $a, $uid, $post, $self, $create_user, $only_existing_contact)
1108 {
1109         Logger::log("statusnet_createpost: start", Logger::DEBUG);
1110
1111         $api = PConfig::get($uid, 'statusnet', 'baseapi');
1112         $hostname = preg_replace("=https?://([\w\.]*)/.*=ism", "$1", $api);
1113
1114         $postarray = [];
1115         $postarray['network'] = Protocol::STATUSNET;
1116         $postarray['uid'] = $uid;
1117         $postarray['wall'] = 0;
1118
1119         if (!empty($post->retweeted_status)) {
1120                 $content = $post->retweeted_status;
1121                 statusnet_fetch_contact($uid, $content->user, false);
1122         } else {
1123                 $content = $post;
1124         }
1125
1126         $postarray['uri'] = $hostname . "::" . $content->id;
1127
1128         if (Item::exists(['extid' => $postarray['uri'], 'uid' => $uid])) {
1129                 return [];
1130         }
1131
1132         $contactid = 0;
1133
1134         if (!empty($content->in_reply_to_status_id)) {
1135
1136                 $parent = $hostname . "::" . $content->in_reply_to_status_id;
1137
1138                 $fields = ['uri', 'parent-uri', 'parent'];
1139                 $item = Item::selectFirst($fields, ['uri' => $parent, 'uid' => $uid]);
1140
1141                 if (!DBA::isResult($item)) {
1142                         $item = Item::selectFirst($fields, ['extid' => $parent, 'uid' => $uid]);
1143                 }
1144
1145                 if (DBA::isResult($item)) {
1146                         $postarray['thr-parent'] = $item['uri'];
1147                         $postarray['parent-uri'] = $item['parent-uri'];
1148                         $postarray['parent'] = $item['parent'];
1149                         $postarray['object-type'] = ACTIVITY_OBJ_COMMENT;
1150                 } else {
1151                         $postarray['thr-parent'] = $postarray['uri'];
1152                         $postarray['parent-uri'] = $postarray['uri'];
1153                         $postarray['object-type'] = ACTIVITY_OBJ_NOTE;
1154                 }
1155
1156                 // Is it me?
1157                 $own_url = PConfig::get($uid, 'statusnet', 'own_url');
1158
1159                 if ($content->user->id == $own_url) {
1160                         $r = q("SELECT * FROM `contact` WHERE `self` = 1 AND `uid` = %d LIMIT 1",
1161                                 intval($uid));
1162
1163                         if (DBA::isResult($r)) {
1164                                 $contactid = $r[0]["id"];
1165
1166                                 $postarray['owner-name'] = $r[0]["name"];
1167                                 $postarray['owner-link'] = $r[0]["url"];
1168                                 $postarray['owner-avatar'] = $r[0]["photo"];
1169                         } else {
1170                                 return [];
1171                         }
1172                 }
1173                 // Don't create accounts of people who just comment something
1174                 $create_user = false;
1175         } else {
1176                 $postarray['parent-uri'] = $postarray['uri'];
1177                 $postarray['object-type'] = ACTIVITY_OBJ_NOTE;
1178         }
1179
1180         if ($contactid == 0) {
1181                 $contactid = statusnet_fetch_contact($uid, $post->user, $create_user);
1182                 $postarray['owner-name'] = $post->user->name;
1183                 $postarray['owner-link'] = $post->user->statusnet_profile_url;
1184                 $postarray['owner-avatar'] = $post->user->profile_image_url;
1185         }
1186         if (($contactid == 0) && !$only_existing_contact) {
1187                 $contactid = $self['id'];
1188         } elseif ($contactid <= 0) {
1189                 return [];
1190         }
1191
1192         $postarray['contact-id'] = $contactid;
1193
1194         $postarray['verb'] = ACTIVITY_POST;
1195
1196         $postarray['author-name'] = $content->user->name;
1197         $postarray['author-link'] = $content->user->statusnet_profile_url;
1198         $postarray['author-avatar'] = $content->user->profile_image_url;
1199
1200         // To-Do: Maybe unreliable? Can the api be entered without trailing "/"?
1201         $hostname = str_replace("/api/", "/notice/", PConfig::get($uid, 'statusnet', 'baseapi'));
1202
1203         $postarray['plink'] = $hostname . $content->id;
1204         $postarray['app'] = strip_tags($content->source);
1205
1206         if ($content->user->protected) {
1207                 $postarray['private'] = 1;
1208                 $postarray['allow_cid'] = '<' . $self['id'] . '>';
1209         }
1210
1211         $postarray['body'] = HTML::toBBCode($content->statusnet_html);
1212
1213         $converted = statusnet_convertmsg($a, $postarray['body'], false);
1214         $postarray['body'] = $converted["body"];
1215         $postarray['tag'] = $converted["tags"];
1216
1217         $postarray['created'] = DateTimeFormat::utc($content->created_at);
1218         $postarray['edited'] = DateTimeFormat::utc($content->created_at);
1219
1220         if (!empty($content->place->name)) {
1221                 $postarray["location"] = $content->place->name;
1222         }
1223
1224         if (!empty($content->place->full_name)) {
1225                 $postarray["location"] = $content->place->full_name;
1226         }
1227
1228         if (!empty($content->geo->coordinates)) {
1229                 $postarray["coord"] = $content->geo->coordinates[0] . " " . $content->geo->coordinates[1];
1230         }
1231
1232         if (!empty($content->coordinates->coordinates)) {
1233                 $postarray["coord"] = $content->coordinates->coordinates[1] . " " . $content->coordinates->coordinates[0];
1234         }
1235
1236         Logger::log("statusnet_createpost: end", Logger::DEBUG);
1237
1238         return $postarray;
1239 }
1240
1241 function statusnet_fetchhometimeline(App $a, $uid, $mode = 1)
1242 {
1243         $conversations = [];
1244
1245         $ckey    = PConfig::get($uid, 'statusnet', 'consumerkey');
1246         $csecret = PConfig::get($uid, 'statusnet', 'consumersecret');
1247         $api     = PConfig::get($uid, 'statusnet', 'baseapi');
1248         $otoken  = PConfig::get($uid, 'statusnet', 'oauthtoken');
1249         $osecret = PConfig::get($uid, 'statusnet', 'oauthsecret');
1250         $create_user = PConfig::get($uid, 'statusnet', 'create_user');
1251
1252         // "create_user" is deactivated, since currently you cannot add users manually by now
1253         $create_user = true;
1254
1255         Logger::log("statusnet_fetchhometimeline: Fetching for user " . $uid, Logger::DEBUG);
1256
1257         $connection = new StatusNetOAuth($api, $ckey, $csecret, $otoken, $osecret);
1258
1259         $own_contact = statusnet_fetch_own_contact($a, $uid);
1260
1261         if (empty($own_contact)) {
1262                 return;
1263         }
1264
1265         $r = q("SELECT * FROM `contact` WHERE `id` = %d AND `uid` = %d LIMIT 1",
1266                 intval($own_contact),
1267                 intval($uid));
1268
1269         if (DBA::isResult($r)) {
1270                 $nick = $r[0]["nick"];
1271         } else {
1272                 Logger::log("statusnet_fetchhometimeline: Own GNU Social contact not found for user " . $uid, Logger::DEBUG);
1273                 return;
1274         }
1275
1276         $r = q("SELECT * FROM `contact` WHERE `self` = 1 AND `uid` = %d LIMIT 1",
1277                 intval($uid));
1278
1279         if (DBA::isResult($r)) {
1280                 $self = $r[0];
1281         } else {
1282                 Logger::log("statusnet_fetchhometimeline: Own contact not found for user " . $uid, Logger::DEBUG);
1283                 return;
1284         }
1285
1286         $u = q("SELECT * FROM user WHERE uid = %d LIMIT 1",
1287                 intval($uid));
1288         if (!DBA::isResult($u)) {
1289                 Logger::log("statusnet_fetchhometimeline: Own user not found for user " . $uid, Logger::DEBUG);
1290                 return;
1291         }
1292
1293         $parameters = ["exclude_replies" => false, "trim_user" => false, "contributor_details" => true, "include_rts" => true];
1294         //$parameters["count"] = 200;
1295
1296         if ($mode == 1) {
1297                 // Fetching timeline
1298                 $lastid = PConfig::get($uid, 'statusnet', 'lasthometimelineid');
1299                 //$lastid = 1;
1300
1301                 $first_time = ($lastid == "");
1302
1303                 if ($lastid != "") {
1304                         $parameters["since_id"] = $lastid;
1305                 }
1306
1307                 $items = $connection->get('statuses/home_timeline', $parameters);
1308
1309                 if (!is_array($items)) {
1310                         if (is_object($items) && isset($items->error)) {
1311                                 $errormsg = $items->error;
1312                         } elseif (is_object($items)) {
1313                                 $errormsg = print_r($items, true);
1314                         } elseif (is_string($items) || is_float($items) || is_int($items)) {
1315                                 $errormsg = $items;
1316                         } else {
1317                                 $errormsg = "Unknown error";
1318                         }
1319
1320                         Logger::log("statusnet_fetchhometimeline: Error fetching home timeline: " . $errormsg, Logger::DEBUG);
1321                         return;
1322                 }
1323
1324                 $posts = array_reverse($items);
1325
1326                 Logger::log("statusnet_fetchhometimeline: Fetching timeline for user " . $uid . " " . sizeof($posts) . " items", Logger::DEBUG);
1327
1328                 if (count($posts)) {
1329                         foreach ($posts as $post) {
1330
1331                                 if ($post->id > $lastid) {
1332                                         $lastid = $post->id;
1333                                 }
1334
1335                                 if ($first_time) {
1336                                         continue;
1337                                 }
1338
1339                                 if (isset($post->statusnet_conversation_id)) {
1340                                         if (!isset($conversations[$post->statusnet_conversation_id])) {
1341                                                 statusnet_complete_conversation($a, $uid, $self, $create_user, $nick, $post->statusnet_conversation_id);
1342                                                 $conversations[$post->statusnet_conversation_id] = $post->statusnet_conversation_id;
1343                                         }
1344                                 } else {
1345                                         $postarray = statusnet_createpost($a, $uid, $post, $self, $create_user, true);
1346
1347                                         if (trim($postarray['body']) == "") {
1348                                                 continue;
1349                                         }
1350
1351                                         $item = Item::insert($postarray);
1352                                         $postarray["id"] = $item;
1353
1354                                         Logger::log('statusnet_fetchhometimeline: User ' . $self["nick"] . ' posted home timeline item ' . $item);
1355                                 }
1356                         }
1357                 }
1358                 PConfig::set($uid, 'statusnet', 'lasthometimelineid', $lastid);
1359         }
1360
1361         // Fetching mentions
1362         $lastid = PConfig::get($uid, 'statusnet', 'lastmentionid');
1363         $first_time = ($lastid == "");
1364
1365         if ($lastid != "") {
1366                 $parameters["since_id"] = $lastid;
1367         }
1368
1369         $items = $connection->get('statuses/mentions_timeline', $parameters);
1370
1371         if (!is_array($items)) {
1372                 Logger::log("statusnet_fetchhometimeline: Error fetching mentions: " . print_r($items, true), Logger::DEBUG);
1373                 return;
1374         }
1375
1376         $posts = array_reverse($items);
1377
1378         Logger::log("statusnet_fetchhometimeline: Fetching mentions for user " . $uid . " " . sizeof($posts) . " items", Logger::DEBUG);
1379
1380         if (count($posts)) {
1381                 foreach ($posts as $post) {
1382                         if ($post->id > $lastid) {
1383                                 $lastid = $post->id;
1384                         }
1385
1386                         if ($first_time) {
1387                                 continue;
1388                         }
1389
1390                         $postarray = statusnet_createpost($a, $uid, $post, $self, false, false);
1391
1392                         if (isset($post->statusnet_conversation_id)) {
1393                                 if (!isset($conversations[$post->statusnet_conversation_id])) {
1394                                         statusnet_complete_conversation($a, $uid, $self, $create_user, $nick, $post->statusnet_conversation_id);
1395                                         $conversations[$post->statusnet_conversation_id] = $post->statusnet_conversation_id;
1396                                 }
1397                         } else {
1398                                 if (trim($postarray['body']) == "") {
1399                                         continue;
1400                                 }
1401
1402                                 $item = Item::insert($postarray);
1403
1404                                 Logger::log('statusnet_fetchhometimeline: User ' . $self["nick"] . ' posted mention timeline item ' . $item);
1405                         }
1406                 }
1407         }
1408
1409         PConfig::set($uid, 'statusnet', 'lastmentionid', $lastid);
1410 }
1411
1412 function statusnet_complete_conversation(App $a, $uid, $self, $create_user, $nick, $conversation)
1413 {
1414         $ckey    = PConfig::get($uid, 'statusnet', 'consumerkey');
1415         $csecret = PConfig::get($uid, 'statusnet', 'consumersecret');
1416         $api     = PConfig::get($uid, 'statusnet', 'baseapi');
1417         $otoken  = PConfig::get($uid, 'statusnet', 'oauthtoken');
1418         $osecret = PConfig::get($uid, 'statusnet', 'oauthsecret');
1419         $own_url = PConfig::get($uid, 'statusnet', 'own_url');
1420
1421         $connection = new StatusNetOAuth($api, $ckey, $csecret, $otoken, $osecret);
1422
1423         $parameters["count"] = 200;
1424
1425         $items = $connection->get('statusnet/conversation/' . $conversation, $parameters);
1426         if (is_array($items)) {
1427                 $posts = array_reverse($items);
1428
1429                 foreach ($posts as $post) {
1430                         $postarray = statusnet_createpost($a, $uid, $post, $self, false, false);
1431
1432                         if (empty($postarray['body'])) {
1433                                 continue;
1434                         }
1435
1436                         $item = Item::insert($postarray);
1437                         $postarray["id"] = $item;
1438
1439                         Logger::log('statusnet_complete_conversation: User ' . $self["nick"] . ' posted home timeline item ' . $item);
1440                 }
1441         }
1442 }
1443
1444 function statusnet_convertmsg(App $a, $body, $no_tags = false)
1445 {
1446         $body = preg_replace("=\[url\=https?://([0-9]*).([0-9]*).([0-9]*).([0-9]*)/([0-9]*)\](.*?)\[\/url\]=ism", "$1.$2.$3.$4/$5", $body);
1447
1448         $URLSearchString = "^\[\]";
1449         $links = preg_match_all("/[^!#@]\[url\=([$URLSearchString]*)\](.*?)\[\/url\]/ism", $body, $matches, PREG_SET_ORDER);
1450
1451         $footer = "";
1452         $footerurl = "";
1453         $footerlink = "";
1454         $type = "";
1455
1456         if ($links) {
1457                 foreach ($matches AS $match) {
1458                         $search = "[url=" . $match[1] . "]" . $match[2] . "[/url]";
1459
1460                         Logger::log("statusnet_convertmsg: expanding url " . $match[1], Logger::DEBUG);
1461
1462                         $expanded_url = Network::finalUrl($match[1]);
1463
1464                         Logger::log("statusnet_convertmsg: fetching data for " . $expanded_url, Logger::DEBUG);
1465
1466                         $oembed_data = OEmbed::fetchURL($expanded_url, true);
1467
1468                         Logger::log("statusnet_convertmsg: fetching data: done", Logger::DEBUG);
1469
1470                         if ($type == "") {
1471                                 $type = $oembed_data->type;
1472                         }
1473
1474                         if ($oembed_data->type == "video") {
1475                                 //$body = str_replace($search, "[video]".$expanded_url."[/video]", $body);
1476                                 $type = $oembed_data->type;
1477                                 $footerurl = $expanded_url;
1478                                 $footerlink = "[url=" . $expanded_url . "]" . $expanded_url . "[/url]";
1479
1480                                 $body = str_replace($search, $footerlink, $body);
1481                         } elseif (($oembed_data->type == "photo") && isset($oembed_data->url)) {
1482                                 $body = str_replace($search, "[url=" . $expanded_url . "][img]" . $oembed_data->url . "[/img][/url]", $body);
1483                         } elseif ($oembed_data->type != "link") {
1484                                 $body = str_replace($search, "[url=" . $expanded_url . "]" . $expanded_url . "[/url]", $body);
1485                         } else {
1486                                 $img_str = Network::fetchUrl($expanded_url, true, $redirects, 4);
1487
1488                                 $tempfile = tempnam(get_temppath(), "cache");
1489                                 file_put_contents($tempfile, $img_str);
1490                                 $mime = mime_content_type($tempfile);
1491                                 unlink($tempfile);
1492
1493                                 if (substr($mime, 0, 6) == "image/") {
1494                                         $type = "photo";
1495                                         $body = str_replace($search, "[img]" . $expanded_url . "[/img]", $body);
1496                                 } else {
1497                                         $type = $oembed_data->type;
1498                                         $footerurl = $expanded_url;
1499                                         $footerlink = "[url=" . $expanded_url . "]" . $expanded_url . "[/url]";
1500
1501                                         $body = str_replace($search, $footerlink, $body);
1502                                 }
1503                         }
1504                 }
1505
1506                 if ($footerurl != "") {
1507                         $footer = add_page_info($footerurl);
1508                 }
1509
1510                 if (($footerlink != "") && (trim($footer) != "")) {
1511                         $removedlink = trim(str_replace($footerlink, "", $body));
1512
1513                         if (($removedlink == "") || strstr($body, $removedlink)) {
1514                                 $body = $removedlink;
1515                         }
1516
1517                         $body .= $footer;
1518                 }
1519         }
1520
1521         if ($no_tags) {
1522                 return ["body" => $body, "tags" => ""];
1523         }
1524
1525         $str_tags = '';
1526
1527         $cnt = preg_match_all("/([!#@])\[url\=([$URLSearchString]*)\](.*?)\[\/url\]/ism", $body, $matches, PREG_SET_ORDER);
1528         if ($cnt) {
1529                 foreach ($matches as $mtch) {
1530                         if (strlen($str_tags)) {
1531                                 $str_tags .= ',';
1532                         }
1533
1534                         if ($mtch[1] == "#") {
1535                                 // Replacing the hash tags that are directed to the GNU Social server with internal links
1536                                 $snhash = "#[url=" . $mtch[2] . "]" . $mtch[3] . "[/url]";
1537                                 $frdchash = '#[url=' . $a->getBaseURL() . '/search?tag=' . $mtch[3] . ']' . $mtch[3] . '[/url]';
1538                                 $body = str_replace($snhash, $frdchash, $body);
1539
1540                                 $str_tags .= $frdchash;
1541                         } else {
1542                                 $str_tags .= "@[url=" . $mtch[2] . "]" . $mtch[3] . "[/url]";
1543                         }
1544                         // To-Do:
1545                         // There is a problem with links with to GNU Social groups, so these links are stored with "@" like friendica groups
1546                         //$str_tags .= $mtch[1]."[url=".$mtch[2]."]".$mtch[3]."[/url]";
1547                 }
1548         }
1549
1550         return ["body" => $body, "tags" => $str_tags];
1551 }
1552
1553 function statusnet_fetch_own_contact(App $a, $uid)
1554 {
1555         $ckey    = PConfig::get($uid, 'statusnet', 'consumerkey');
1556         $csecret = PConfig::get($uid, 'statusnet', 'consumersecret');
1557         $api     = PConfig::get($uid, 'statusnet', 'baseapi');
1558         $otoken  = PConfig::get($uid, 'statusnet', 'oauthtoken');
1559         $osecret = PConfig::get($uid, 'statusnet', 'oauthsecret');
1560         $own_url = PConfig::get($uid, 'statusnet', 'own_url');
1561
1562         $contact_id = 0;
1563
1564         if ($own_url == "") {
1565                 $connection = new StatusNetOAuth($api, $ckey, $csecret, $otoken, $osecret);
1566
1567                 // Fetching user data
1568                 $user = $connection->get('account/verify_credentials');
1569
1570                 if (empty($user)) {
1571                         return false;
1572                 }
1573
1574                 PConfig::set($uid, 'statusnet', 'own_url', Strings::normaliseLink($user->statusnet_profile_url));
1575
1576                 $contact_id = statusnet_fetch_contact($uid, $user, true);
1577         } else {
1578                 $r = q("SELECT * FROM `contact` WHERE `uid` = %d AND `alias` = '%s' LIMIT 1",
1579                         intval($uid), DBA::escape($own_url));
1580                 if (DBA::isResult($r)) {
1581                         $contact_id = $r[0]["id"];
1582                 } else {
1583                         PConfig::delete($uid, 'statusnet', 'own_url');
1584                 }
1585         }
1586         return $contact_id;
1587 }
1588
1589 function statusnet_is_retweet(App $a, $uid, $body)
1590 {
1591         $body = trim($body);
1592
1593         // Skip if it isn't a pure repeated messages
1594         // Does it start with a share?
1595         if (strpos($body, "[share") > 0) {
1596                 return false;
1597         }
1598
1599         // Does it end with a share?
1600         if (strlen($body) > (strrpos($body, "[/share]") + 8)) {
1601                 return false;
1602         }
1603
1604         $attributes = preg_replace("/\[share(.*?)\]\s?(.*?)\s?\[\/share\]\s?/ism", "$1", $body);
1605         // Skip if there is no shared message in there
1606         if ($body == $attributes) {
1607                 return false;
1608         }
1609
1610         $link = "";
1611         preg_match("/link='(.*?)'/ism", $attributes, $matches);
1612         if (!empty($matches[1])) {
1613                 $link = $matches[1];
1614         }
1615
1616         preg_match('/link="(.*?)"/ism', $attributes, $matches);
1617         if (!empty($matches[1])) {
1618                 $link = $matches[1];
1619         }
1620
1621         $ckey    = PConfig::get($uid, 'statusnet', 'consumerkey');
1622         $csecret = PConfig::get($uid, 'statusnet', 'consumersecret');
1623         $api     = PConfig::get($uid, 'statusnet', 'baseapi');
1624         $otoken  = PConfig::get($uid, 'statusnet', 'oauthtoken');
1625         $osecret = PConfig::get($uid, 'statusnet', 'oauthsecret');
1626         $hostname = preg_replace("=https?://([\w\.]*)/.*=ism", "$1", $api);
1627
1628         $id = preg_replace("=https?://" . $hostname . "/notice/(.*)=ism", "$1", $link);
1629
1630         if ($id == $link) {
1631                 return false;
1632         }
1633
1634         Logger::log('statusnet_is_retweet: Retweeting id ' . $id . ' for user ' . $uid, Logger::DEBUG);
1635
1636         $connection = new StatusNetOAuth($api, $ckey, $csecret, $otoken, $osecret);
1637
1638         $result = $connection->post('statuses/retweet/' . $id);
1639
1640         Logger::log('statusnet_is_retweet: result ' . print_r($result, true), Logger::DEBUG);
1641
1642         return isset($result->id);
1643 }