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 require_once 'include/enotify.php';
  40
  41 use CodebirdSN\CodebirdSN;
  42 use Friendica\App;
  43 use Friendica\Content\OEmbed;
  44 use Friendica\Content\Text\HTML;
  45 use Friendica\Content\Text\Plaintext;
  46 use Friendica\Core\Config;
  47 use Friendica\Core\Hook;
  48 use Friendica\Core\L10n;
  49 use Friendica\Core\Logger;
  50 use Friendica\Core\PConfig;
  51 use Friendica\Core\Protocol;
  52 use Friendica\Core\Renderer;
  53 use Friendica\Database\DBA;
  54 use Friendica\Model\Contact;
  55 use Friendica\Model\GContact;
  56 use Friendica\Model\Group;
  57 use Friendica\Model\Item;
  58 use Friendica\Model\ItemContent;
  59 use Friendica\Model\Photo;
  60 use Friendica\Model\User;
  61 use Friendica\Util\DateTimeFormat;
  62 use Friendica\Util\Network;
  63 use Friendica\Util\Strings;
  64
  65 function statusnet_install()
  66 {
  67         //  we need some hooks, for the configuration and for sending tweets
  68         Hook::register('connector_settings', 'addon/statusnet/statusnet.php', 'statusnet_settings');
  69         Hook::register('connector_settings_post', 'addon/statusnet/statusnet.php', 'statusnet_settings_post');
  70         Hook::register('notifier_normal', 'addon/statusnet/statusnet.php', 'statusnet_post_hook');
  71         Hook::register('hook_fork', 'addon/statusnet/statusnet.php', 'statusnet_hook_fork');
  72         Hook::register('post_local', 'addon/statusnet/statusnet.php', 'statusnet_post_local');
  73         Hook::register('jot_networks', 'addon/statusnet/statusnet.php', 'statusnet_jot_nets');
  74         Hook::register('cron', 'addon/statusnet/statusnet.php', 'statusnet_cron');
  75         Hook::register('prepare_body', 'addon/statusnet/statusnet.php', 'statusnet_prepare_body');
  76         Hook::register('check_item_notification', 'addon/statusnet/statusnet.php', 'statusnet_check_item_notification');
  77         Logger::log("installed GNU Social");
  78 }
  79
  80 function statusnet_uninstall()
  81 {
  82         Hook::unregister('connector_settings', 'addon/statusnet/statusnet.php', 'statusnet_settings');
  83         Hook::unregister('connector_settings_post', 'addon/statusnet/statusnet.php', 'statusnet_settings_post');
  84         Hook::unregister('notifier_normal', 'addon/statusnet/statusnet.php', 'statusnet_post_hook');
  85         Hook::unregister('hook_fork', 'addon/statusnet/statusnet.php', 'statusnet_hook_fork');
  86         Hook::unregister('post_local', 'addon/statusnet/statusnet.php', 'statusnet_post_local');
  87         Hook::unregister('jot_networks', 'addon/statusnet/statusnet.php', 'statusnet_jot_nets');
  88         Hook::unregister('cron', 'addon/statusnet/statusnet.php', 'statusnet_cron');
  89         Hook::unregister('prepare_body', 'addon/statusnet/statusnet.php', 'statusnet_prepare_body');
  90         Hook::unregister('check_item_notification', 'addon/statusnet/statusnet.php', 'statusnet_check_item_notification');
  91
  92         // old setting - remove only
  93         Hook::unregister('post_local_end', 'addon/statusnet/statusnet.php', 'statusnet_post_hook');
  94         Hook::unregister('addon_settings', 'addon/statusnet/statusnet.php', 'statusnet_settings');
  95         Hook::unregister('addon_settings_post', 'addon/statusnet/statusnet.php', 'statusnet_settings_post');
  96 }
  97
  98 function statusnet_check_item_notification(App $a, &$notification_data)
  99 {
 100         if (PConfig::get($notification_data["uid"], 'statusnet', 'post')) {
 101                 $notification_data["profiles"][] = PConfig::get($notification_data["uid"], 'statusnet', 'own_url');
 102         }
 103 }
 104
 105 function statusnet_jot_nets(App $a, &$b)
 106 {
 107         if (!local_user()) {
 108                 return;
 109         }
 110
 111         $statusnet_post = PConfig::get(local_user(), 'statusnet', 'post');
 112         if (intval($statusnet_post) == 1) {
 113                 $statusnet_defpost = PConfig::get(local_user(), 'statusnet', 'post_by_default');
 114                 $selected = ((intval($statusnet_defpost) == 1) ? ' checked="checked" ' : '');
 115                 $b .= '<div class="profile-jot-net"><input type="checkbox" name="statusnet_enable"' . $selected . ' value="1" /> '
 116                         . L10n::t('Post to GNU Social') . '</div>';
 117         }
 118 }
 119
 120 function statusnet_settings_post(App $a, $post)
 121 {
 122         if (!local_user()) {
 123                 return;
 124         }
 125         // don't check GNU Social settings if GNU Social submit button is not clicked
 126         if (empty($_POST['statusnet-submit'])) {
 127                 return;
 128         }
 129
 130         if (isset($_POST['statusnet-disconnect'])) {
 131                 /*               * *
 132                  * if the GNU Social-disconnect checkbox is set, clear the GNU Social configuration
 133                  */
 134                 PConfig::delete(local_user(), 'statusnet', 'consumerkey');
 135                 PConfig::delete(local_user(), 'statusnet', 'consumersecret');
 136                 PConfig::delete(local_user(), 'statusnet', 'post');
 137                 PConfig::delete(local_user(), 'statusnet', 'post_by_default');
 138                 PConfig::delete(local_user(), 'statusnet', 'oauthtoken');
 139                 PConfig::delete(local_user(), 'statusnet', 'oauthsecret');
 140                 PConfig::delete(local_user(), 'statusnet', 'baseapi');
 141                 PConfig::delete(local_user(), 'statusnet', 'lastid');
 142                 PConfig::delete(local_user(), 'statusnet', 'mirror_posts');
 143                 PConfig::delete(local_user(), 'statusnet', 'import');
 144                 PConfig::delete(local_user(), 'statusnet', 'create_user');
 145                 PConfig::delete(local_user(), 'statusnet', 'own_url');
 146         } else {
 147                 if (isset($_POST['statusnet-preconf-apiurl'])) {
 148                         /*                       * *
 149                          * If the user used one of the preconfigured GNU Social server credentials
 150                          * use them. All the data are available in the global config.
 151                          * Check the API Url never the less and blame the admin if it's not working ^^
 152                          */
 153                         $globalsn = Config::get('statusnet', 'sites');
 154                         foreach ($globalsn as $asn) {
 155                                 if ($asn['apiurl'] == $_POST['statusnet-preconf-apiurl']) {
 156                                         $apibase = $asn['apiurl'];
 157                                         $c = Network::fetchUrl($apibase . 'statusnet/version.xml');
 158                                         if (strlen($c) > 0) {
 159                                                 PConfig::set(local_user(), 'statusnet', 'consumerkey', $asn['consumerkey']);
 160                                                 PConfig::set(local_user(), 'statusnet', 'consumersecret', $asn['consumersecret']);
 161                                                 PConfig::set(local_user(), 'statusnet', 'baseapi', $asn['apiurl']);
 162                                                 //PConfig::set(local_user(), 'statusnet', 'application_name', $asn['applicationname'] );
 163                                         } else {
 164                                                 notice(L10n::t('Please contact your site administrator.<br />The provided API URL is not valid.') . EOL . $asn['apiurl'] . EOL);
 165                                         }
 166                                 }
 167                         }
 168                         $a->internalRedirect('settings/connectors');
 169                 } else {
 170                         if (isset($_POST['statusnet-consumersecret'])) {
 171                                 //  check if we can reach the API of the GNU Social server
 172                                 //  we'll check the API Version for that, if we don't get one we'll try to fix the path but will
 173                                 //  resign quickly after this one try to fix the path ;-)
 174                                 $apibase = $_POST['statusnet-baseapi'];
 175                                 $c = Network::fetchUrl($apibase . 'statusnet/version.xml');
 176                                 if (strlen($c) > 0) {
 177                                         //  ok the API path is correct, let's save the settings
 178                                         PConfig::set(local_user(), 'statusnet', 'consumerkey', $_POST['statusnet-consumerkey']);
 179                                         PConfig::set(local_user(), 'statusnet', 'consumersecret', $_POST['statusnet-consumersecret']);
 180                                         PConfig::set(local_user(), 'statusnet', 'baseapi', $apibase);
 181                                         //PConfig::set(local_user(), 'statusnet', 'application_name', $_POST['statusnet-applicationname'] );
 182                                 } else {
 183                                         //  the API path is not correct, maybe missing trailing / ?
 184                                         $apibase = $apibase . '/';
 185                                         $c = Network::fetchUrl($apibase . 'statusnet/version.xml');
 186                                         if (strlen($c) > 0) {
 187                                                 //  ok the API path is now correct, let's save the settings
 188                                                 PConfig::set(local_user(), 'statusnet', 'consumerkey', $_POST['statusnet-consumerkey']);
 189                                                 PConfig::set(local_user(), 'statusnet', 'consumersecret', $_POST['statusnet-consumersecret']);
 190                                                 PConfig::set(local_user(), 'statusnet', 'baseapi', $apibase);
 191                                         } else {
 192                                                 //  still not the correct API base, let's do noting
 193                                                 notice(L10n::t('We could not contact the GNU Social API with the Path you entered.') . EOL);
 194                                         }
 195                                 }
 196                                 $a->internalRedirect('settings/connectors');
 197                         } else {
 198                                 if (isset($_POST['statusnet-pin'])) {
 199                                         //  if the user supplied us with a PIN from GNU Social, let the magic of OAuth happen
 200                                         $api = PConfig::get(local_user(), 'statusnet', 'baseapi');
 201                                         $ckey = PConfig::get(local_user(), 'statusnet', 'consumerkey');
 202                                         $csecret = PConfig::get(local_user(), 'statusnet', 'consumersecret');
 203                                         //  the token and secret for which the PIN was generated were hidden in the settings
 204                                         //  form as token and token2, we need a new connection to GNU Social using these token
 205                                         //  and secret to request a Access Token with the PIN
 206                                         $connection = new StatusNetOAuth($api, $ckey, $csecret, $_POST['statusnet-token'], $_POST['statusnet-token2']);
 207                                         $token = $connection->getAccessToken($_POST['statusnet-pin']);
 208                                         //  ok, now that we have the Access Token, save them in the user config
 209                                         PConfig::set(local_user(), 'statusnet', 'oauthtoken', $token['oauth_token']);
 210                                         PConfig::set(local_user(), 'statusnet', 'oauthsecret', $token['oauth_token_secret']);
 211                                         PConfig::set(local_user(), 'statusnet', 'post', 1);
 212                                         PConfig::set(local_user(), 'statusnet', 'post_taglinks', 1);
 213                                         //  reload the Addon Settings page, if we don't do it see Bug #42
 214                                         $a->internalRedirect('settings/connectors');
 215                                 } else {
 216                                         //  if no PIN is supplied in the POST variables, the user has changed the setting
 217                                         //  to post a dent for every new __public__ posting to the wall
 218                                         PConfig::set(local_user(), 'statusnet', 'post', intval($_POST['statusnet-enable']));
 219                                         PConfig::set(local_user(), 'statusnet', 'post_by_default', intval($_POST['statusnet-default']));
 220                                         PConfig::set(local_user(), 'statusnet', 'mirror_posts', intval($_POST['statusnet-mirror']));
 221                                         PConfig::set(local_user(), 'statusnet', 'import', intval($_POST['statusnet-import']));
 222                                         PConfig::set(local_user(), 'statusnet', 'create_user', intval($_POST['statusnet-create_user']));
 223
 224                                         if (!intval($_POST['statusnet-mirror']))
 225                                                 PConfig::delete(local_user(), 'statusnet', 'lastid');
 226
 227                                         info(L10n::t('GNU Social settings updated.') . EOL);
 228                                 }
 229                         }
 230                 }
 231         }
 232 }
 233
 234 function statusnet_settings(App $a, &$s)
 235 {
 236         if (!local_user()) {
 237                 return;
 238         }
 239         $a->page['htmlhead'] .= '<link rel="stylesheet"  type="text/css" href="' . $a->getBaseURL() . '/addon/statusnet/statusnet.css' . '" media="all" />' . "\r\n";
 240         /*       * *
 241          * 1) Check that we have a base api url and a consumer key & secret
 242          * 2) If no OAuthtoken & stuff is present, generate button to get some
 243          *    allow the user to cancel the connection process at this step
 244          * 3) Checkbox for "Send public notices (respect size limitation)
 245          */
 246         $api     = PConfig::get(local_user(), 'statusnet', 'baseapi');
 247         $ckey    = PConfig::get(local_user(), 'statusnet', 'consumerkey');
 248         $csecret = PConfig::get(local_user(), 'statusnet', 'consumersecret');
 249         $otoken  = PConfig::get(local_user(), 'statusnet', 'oauthtoken');
 250         $osecret = PConfig::get(local_user(), 'statusnet', 'oauthsecret');
 251         $enabled = PConfig::get(local_user(), 'statusnet', 'post');
 252         $checked = (($enabled) ? ' checked="checked" ' : '');
 253         $defenabled = PConfig::get(local_user(), 'statusnet', 'post_by_default');
 254         $defchecked = (($defenabled) ? ' checked="checked" ' : '');
 255         $mirrorenabled = PConfig::get(local_user(), 'statusnet', 'mirror_posts');
 256         $mirrorchecked = (($mirrorenabled) ? ' checked="checked" ' : '');
 257         $import = PConfig::get(local_user(), 'statusnet', 'import');
 258         $importselected = ["", "", ""];
 259         $importselected[$import] = ' selected="selected"';
 260         //$importenabled = PConfig::get(local_user(),'statusnet','import');
 261         //$importchecked = (($importenabled) ? ' checked="checked" ' : '');
 262         $create_userenabled = PConfig::get(local_user(), 'statusnet', 'create_user');
 263         $create_userchecked = (($create_userenabled) ? ' checked="checked" ' : '');
 264
 265         $css = (($enabled) ? '' : '-disabled');
 266
 267         $s .= '<span id="settings_statusnet_inflated" class="settings-block fakelink" style="display: block;" onclick="openClose(\'settings_statusnet_expanded\'); openClose(\'settings_statusnet_inflated\');">';
 268         $s .= '<img class="connector' . $css . '" src="images/gnusocial.png" /><h3 class="connector">' . L10n::t('GNU Social Import/Export/Mirror') . '</h3>';
 269         $s .= '</span>';
 270         $s .= '<div id="settings_statusnet_expanded" class="settings-block" style="display: none;">';
 271         $s .= '<span class="fakelink" onclick="openClose(\'settings_statusnet_expanded\'); openClose(\'settings_statusnet_inflated\');">';
 272         $s .= '<img class="connector' . $css . '" src="images/gnusocial.png" /><h3 class="connector">' . L10n::t('GNU Social Import/Export/Mirror') . '</h3>';
 273         $s .= '</span>';
 274
 275         if ((!$ckey) && (!$csecret)) {
 276                 /*               * *
 277                  * no consumer keys
 278                  */
 279                 $globalsn = Config::get('statusnet', 'sites');
 280                 /*               * *
 281                  * lets check if we have one or more globally configured GNU Social
 282                  * server OAuth credentials in the configuration. If so offer them
 283                  * with a little explanation to the user as choice - otherwise
 284                  * ignore this option entirely.
 285                  */
 286                 if (!$globalsn == null) {
 287                         $s .= '<h4>' . L10n::t('Globally Available GNU Social OAuthKeys') . '</h4>';
 288                         $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>';
 289                         $s .= '<div id="statusnet-preconf-wrapper">';
 290                         foreach ($globalsn as $asn) {
 291                                 $s .= '<input type="radio" name="statusnet-preconf-apiurl" value="' . $asn['apiurl'] . '">' . $asn['sitename'] . '<br />';
 292                         }
 293                         $s .= '<p></p><div class="clear"></div></div>';
 294                         $s .= '<div class="settings-submit-wrapper" ><input type="submit" name="statusnet-submit" class="settings-submit" value="' . L10n::t('Save Settings') . '" /></div>';
 295                 }
 296                 $s .= '<h4>' . L10n::t('Provide your own OAuth Credentials') . '</h4>';
 297                 $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>';
 298                 $s .= '<div id="statusnet-consumer-wrapper">';
 299                 $s .= '<label id="statusnet-consumerkey-label" for="statusnet-consumerkey">' . L10n::t('OAuth Consumer Key') . '</label>';
 300                 $s .= '<input id="statusnet-consumerkey" type="text" name="statusnet-consumerkey" size="35" /><br />';
 301                 $s .= '<div class="clear"></div>';
 302                 $s .= '<label id="statusnet-consumersecret-label" for="statusnet-consumersecret">' . L10n::t('OAuth Consumer Secret') . '</label>';
 303                 $s .= '<input id="statusnet-consumersecret" type="text" name="statusnet-consumersecret" size="35" /><br />';
 304                 $s .= '<div class="clear"></div>';
 305                 $s .= '<label id="statusnet-baseapi-label" for="statusnet-baseapi">' . L10n::t("Base API Path \x28remember the trailing /\x29") . '</label>';
 306                 $s .= '<input id="statusnet-baseapi" type="text" name="statusnet-baseapi" size="35" /><br />';
 307                 $s .= '<div class="clear"></div>';
 308                 //$s .= '<label id="statusnet-applicationname-label" for="statusnet-applicationname">'.L10n::t('GNU Socialapplication name').'</label>';
 309                 //$s .= '<input id="statusnet-applicationname" type="text" name="statusnet-applicationname" size="35" /><br />';
 310                 $s .= '<p></p><div class="clear"></div>';
 311                 $s .= '<div class="settings-submit-wrapper" ><input type="submit" name="statusnet-submit" class="settings-submit" value="' . L10n::t('Save Settings') . '" /></div>';
 312                 $s .= '</div>';
 313         } else {
 314                 /*               * *
 315                  * ok we have a consumer key pair now look into the OAuth stuff
 316                  */
 317                 if ((!$otoken) && (!$osecret)) {
 318                         /*                       * *
 319                          * the user has not yet connected the account to GNU Social
 320                          * get a temporary OAuth key/secret pair and display a button with
 321                          * which the user can request a PIN to connect the account to a
 322                          * account at GNU Social
 323                          */
 324                         $connection = new StatusNetOAuth($api, $ckey, $csecret);
 325                         $request_token = $connection->getRequestToken('oob');
 326                         $token = $request_token['oauth_token'];
 327                         /*                       * *
 328                          *  make some nice form
 329                          */
 330                         $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>';
 331                         $s .= '<a href="' . $connection->getAuthorizeURL($token, False) . '" target="_statusnet"><img src="addon/statusnet/signinwithstatusnet.png" alt="' . L10n::t('Log in with GNU Social') . '"></a>';
 332                         $s .= '<div id="statusnet-pin-wrapper">';
 333                         $s .= '<label id="statusnet-pin-label" for="statusnet-pin">' . L10n::t('Copy the security code from GNU Social here') . '</label>';
 334                         $s .= '<input id="statusnet-pin" type="text" name="statusnet-pin" />';
 335                         $s .= '<input id="statusnet-token" type="hidden" name="statusnet-token" value="' . $token . '" />';
 336                         $s .= '<input id="statusnet-token2" type="hidden" name="statusnet-token2" value="' . $request_token['oauth_token_secret'] . '" />';
 337                         $s .= '</div><div class="clear"></div>';
 338                         $s .= '<div class="settings-submit-wrapper" ><input type="submit" name="statusnet-submit" class="settings-submit" value="' . L10n::t('Save Settings') . '" /></div>';
 339                         $s .= '<h4>' . L10n::t('Cancel Connection Process') . '</h4>';
 340                         $s .= '<div id="statusnet-cancel-wrapper">';
 341                         $s .= '<p>' . L10n::t('Current GNU Social API is') . ': ' . $api . '</p>';
 342                         $s .= '<label id="statusnet-cancel-label" for="statusnet-cancel">' . L10n::t('Cancel GNU Social Connection') . '</label>';
 343                         $s .= '<input id="statusnet-cancel" type="checkbox" name="statusnet-disconnect" value="1" />';
 344                         $s .= '</div><div class="clear"></div>';
 345                         $s .= '<div class="settings-submit-wrapper" ><input type="submit" name="statusnet-submit" class="settings-submit" value="' . L10n::t('Save Settings') . '" /></div>';
 346                 } else {
 347                         /*                       * *
 348                          *  we have an OAuth key / secret pair for the user
 349                          *  so let's give a chance to disable the postings to GNU Social
 350                          */
 351                         $connection = new StatusNetOAuth($api, $ckey, $csecret, $otoken, $osecret);
 352                         $details = $connection->get('account/verify_credentials');
 353                         if (!empty($details)) {
 354                                 $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>';
 355                         }
 356                         $s .= '<p>' . L10n::t('If enabled all your <strong>public</strong> postings can be posted to the associated GNU Social account. You can choose to do so by default (here) or for every posting separately in the posting options when writing the entry.') . '</p>';
 357                         if ($a->user['hidewall']) {
 358                                 $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>';
 359                         }
 360                         $s .= '<div id="statusnet-enable-wrapper">';
 361                         $s .= '<label id="statusnet-enable-label" for="statusnet-checkbox">' . L10n::t('Allow posting to GNU Social') . '</label>';
 362                         $s .= '<input id="statusnet-checkbox" type="checkbox" name="statusnet-enable" value="1" ' . $checked . '/>';
 363                         $s .= '<div class="clear"></div>';
 364                         $s .= '<label id="statusnet-default-label" for="statusnet-default">' . L10n::t('Send public postings to GNU Social by default') . '</label>';
 365                         $s .= '<input id="statusnet-default" type="checkbox" name="statusnet-default" value="1" ' . $defchecked . '/>';
 366                         $s .= '<div class="clear"></div>';
 367
 368                         $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>';
 369                         $s .= '<input id="statusnet-mirror" type="checkbox" name="statusnet-mirror" value="1" ' . $mirrorchecked . '/>';
 370
 371                         $s .= '<div class="clear"></div>';
 372                         $s .= '</div>';
 373
 374                         $s .= '<label id="statusnet-import-label" for="statusnet-import">' . L10n::t('Import the remote timeline') . '</label>';
 375                         //$s .= '<input id="statusnet-import" type="checkbox" name="statusnet-import" value="1" '. $importchecked . '/>';
 376
 377                         $s .= '<select name="statusnet-import" id="statusnet-import" />';
 378                         $s .= '<option value="0" ' . $importselected[0] . '>' . L10n::t("Disabled") . '</option>';
 379                         $s .= '<option value="1" ' . $importselected[1] . '>' . L10n::t("Full Timeline") . '</option>';
 380                         $s .= '<option value="2" ' . $importselected[2] . '>' . L10n::t("Only Mentions") . '</option>';
 381                         $s .= '</select>';
 382                         $s .= '<div class="clear"></div>';
 383                         /*
 384                           $s .= '<label id="statusnet-create_user-label" for="statusnet-create_user">'.L10n::t('Automatically create contacts').'</label>';
 385                           $s .= '<input id="statusnet-create_user" type="checkbox" name="statusnet-create_user" value="1" '. $create_userchecked . '/>';
 386                           $s .= '<div class="clear"></div>';
 387                          */
 388                         $s .= '<div id="statusnet-disconnect-wrapper">';
 389                         $s .= '<label id="statusnet-disconnect-label" for="statusnet-disconnect">' . L10n::t('Clear OAuth configuration') . '</label>';
 390                         $s .= '<input id="statusnet-disconnect" type="checkbox" name="statusnet-disconnect" value="1" />';
 391                         $s .= '</div><div class="clear"></div>';
 392                         $s .= '<div class="settings-submit-wrapper" ><input type="submit" name="statusnet-submit" class="settings-submit" value="' . L10n::t('Save Settings') . '" /></div>';
 393                 }
 394         }
 395         $s .= '</div><div class="clear"></div>';
 396 }
 397
 398 function statusnet_hook_fork(App $a, array &$b)
 399 {
 400         if ($b['name'] != 'notifier_normal') {
 401                 return;
 402         }
 403
 404         $post = $b['data'];
 405
 406         // Deleting and editing is not supported by the addon
 407         if ($post['deleted'] || ($post['created'] !== $post['edited'])) {
 408                 $b['execute'] = false;
 409                 return;
 410         }
 411
 412         // if post comes from GNU Social don't send it back
 413         if ($post['extid'] == Protocol::STATUSNET) {
 414                 $b['execute'] = false;
 415                 return;
 416         }
 417
 418         if ($post['app'] == 'StatusNet') {
 419                 $b['execute'] = false;
 420                 return;
 421         }
 422
 423         if (PConfig::get($post['uid'], 'statusnet', 'import')) {
 424                 // Don't fork if it isn't a reply to a GNU Social post
 425                 if (($post['parent'] != $post['id']) && !Item::exists(['id' => $post['parent'], 'network' => Protocol::STATUSNET])) {
 426                         Logger::log('No GNU Social parent found for item ' . $post['id']);
 427                         $b['execute'] = false;
 428                         return;
 429                 }
 430         } else {
 431                 // Comments are never exported when we don't import the GNU Social timeline
 432                 if (!strstr($post['postopts'], 'statusnet') || ($post['parent'] != $post['id']) || $post['private']) {
 433                         $b['execute'] = false;
 434                         return;
 435                 }
 436         }
 437 }
 438
 439 function statusnet_post_local(App $a, &$b)
 440 {
 441         if ($b['edit']) {
 442                 return;
 443         }
 444
 445         if (!local_user() || (local_user() != $b['uid'])) {
 446                 return;
 447         }
 448
 449         $statusnet_post = PConfig::get(local_user(), 'statusnet', 'post');
 450         $statusnet_enable = (($statusnet_post && !empty($_REQUEST['statusnet_enable'])) ? intval($_REQUEST['statusnet_enable']) : 0);
 451
 452         // if API is used, default to the chosen settings
 453         if ($b['api_source'] && intval(PConfig::get(local_user(), 'statusnet', 'post_by_default'))) {
 454                 $statusnet_enable = 1;
 455         }
 456
 457         if (!$statusnet_enable) {
 458                 return;
 459         }
 460
 461         if (strlen($b['postopts'])) {
 462                 $b['postopts'] .= ',';
 463         }
 464
 465         $b['postopts'] .= 'statusnet';
 466 }
 467
 468 function statusnet_action(App $a, $uid, $pid, $action)
 469 {
 470         $api = PConfig::get($uid, 'statusnet', 'baseapi');
 471         $ckey = PConfig::get($uid, 'statusnet', 'consumerkey');
 472         $csecret = PConfig::get($uid, 'statusnet', 'consumersecret');
 473         $otoken = PConfig::get($uid, 'statusnet', 'oauthtoken');
 474         $osecret = PConfig::get($uid, 'statusnet', 'oauthsecret');
 475
 476         $connection = new StatusNetOAuth($api, $ckey, $csecret, $otoken, $osecret);
 477
 478         Logger::log("statusnet_action '" . $action . "' ID: " . $pid, Logger::DATA);
 479
 480         switch ($action) {
 481                 case "delete":
 482                         $result = $connection->post("statuses/destroy/" . $pid);
 483                         break;
 484                 case "like":
 485                         $result = $connection->post("favorites/create/" . $pid);
 486                         break;
 487                 case "unlike":
 488                         $result = $connection->post("favorites/destroy/" . $pid);
 489                         break;
 490         }
 491         Logger::log("statusnet_action '" . $action . "' send, result: " . print_r($result, true), Logger::DEBUG);
 492 }
 493
 494 function statusnet_post_hook(App $a, &$b)
 495 {
 496         /**
 497          * Post to GNU Social
 498          */
 499         if (!PConfig::get($b["uid"], 'statusnet', 'import')) {
 500                 if ($b['deleted'] || $b['private'] || ($b['created'] !== $b['edited']))
 501                         return;
 502         }
 503
 504         $api = PConfig::get($b["uid"], 'statusnet', 'baseapi');
 505         $hostname = preg_replace("=https?://([\w\.]*)/.*=ism", "$1", $api);
 506
 507         if ($b['parent'] != $b['id']) {
 508                 Logger::log("statusnet_post_hook: parameter " . print_r($b, true), Logger::DATA);
 509
 510                 // Looking if its a reply to a GNU Social post
 511                 $hostlength = strlen($hostname) + 2;
 512                 if ((substr($b["parent-uri"], 0, $hostlength) != $hostname . "::") && (substr($b["extid"], 0, $hostlength) != $hostname . "::") && (substr($b["thr-parent"], 0, $hostlength) != $hostname . "::")) {
 513                         Logger::log("statusnet_post_hook: no GNU Social post " . $b["parent"]);
 514                         return;
 515                 }
 516
 517                 $condition = ['uri' => $b["thr-parent"], 'uid' => $b["uid"]];
 518                 $orig_post = Item::selectFirst(['author-link', 'uri'], $condition);
 519                 if (!DBA::isResult($orig_post)) {
 520                         Logger::log("statusnet_post_hook: no parent found " . $b["thr-parent"]);
 521                         return;
 522                 } else {
 523                         $iscomment = true;
 524                 }
 525
 526                 $nick = preg_replace("=https?://(.*)/(.*)=ism", "$2", $orig_post["author-link"]);
 527
 528                 $nickname = "@[url=" . $orig_post["author-link"] . "]" . $nick . "[/url]";
 529                 $nicknameplain = "@" . $nick;
 530
 531                 Logger::log("statusnet_post_hook: comparing " . $nickname . " and " . $nicknameplain . " with " . $b["body"], Logger::DEBUG);
 532                 if ((strpos($b["body"], $nickname) === false) && (strpos($b["body"], $nicknameplain) === false)) {
 533                         $b["body"] = $nickname . " " . $b["body"];
 534                 }
 535
 536                 Logger::log("statusnet_post_hook: parent found " . print_r($orig_post, true), Logger::DEBUG);
 537         } else {
 538                 $iscomment = false;
 539
 540                 if ($b['private'] || !strstr($b['postopts'], 'statusnet')) {
 541                         return;
 542                 }
 543
 544                 // Dont't post if the post doesn't belong to us.
 545                 // This is a check for forum postings
 546                 $self = DBA::selectFirst('contact', ['id'], ['uid' => $b['uid'], 'self' => true]);
 547                 if ($b['contact-id'] != $self['id']) {
 548                         return;
 549                 }
 550         }
 551
 552         if (($b['verb'] == ACTIVITY_POST) && $b['deleted']) {
 553                 statusnet_action($a, $b["uid"], substr($orig_post["uri"], $hostlength), "delete");
 554         }
 555
 556         if ($b['verb'] == ACTIVITY_LIKE) {
 557                 Logger::log("statusnet_post_hook: parameter 2 " . substr($b["thr-parent"], $hostlength), Logger::DEBUG);
 558                 if ($b['deleted'])
 559                         statusnet_action($a, $b["uid"], substr($b["thr-parent"], $hostlength), "unlike");
 560                 else
 561                         statusnet_action($a, $b["uid"], substr($b["thr-parent"], $hostlength), "like");
 562                 return;
 563         }
 564
 565         if ($b['deleted'] || ($b['created'] !== $b['edited'])) {
 566                 return;
 567         }
 568
 569         // if posts comes from GNU Social don't send it back
 570         if ($b['extid'] == Protocol::STATUSNET) {
 571                 return;
 572         }
 573
 574         if ($b['app'] == "StatusNet") {
 575                 return;
 576         }
 577
 578         Logger::log('GNU Socialpost invoked');
 579
 580         PConfig::load($b['uid'], 'statusnet');
 581
 582         $api     = PConfig::get($b['uid'], 'statusnet', 'baseapi');
 583         $ckey    = PConfig::get($b['uid'], 'statusnet', 'consumerkey');
 584         $csecret = PConfig::get($b['uid'], 'statusnet', 'consumersecret');
 585         $otoken  = PConfig::get($b['uid'], 'statusnet', 'oauthtoken');
 586         $osecret = PConfig::get($b['uid'], 'statusnet', 'oauthsecret');
 587
 588         if ($ckey && $csecret && $otoken && $osecret) {
 589                 // If it's a repeated message from GNU Social then do a native retweet and exit
 590                 if (statusnet_is_retweet($a, $b['uid'], $b['body'])) {
 591                         return;
 592                 }
 593
 594                 $dent = new StatusNetOAuth($api, $ckey, $csecret, $otoken, $osecret);
 595                 $max_char = $dent->get_maxlength(); // max. length for a dent
 596
 597                 PConfig::set($b['uid'], 'statusnet', 'max_char', $max_char);
 598
 599                 $tempfile = "";
 600                 $msgarr = ItemContent::getPlaintextPost($b, $max_char, true, 7);
 601                 $msg = $msgarr["text"];
 602
 603                 if (($msg == "") && isset($msgarr["title"]))
 604                         $msg = Plaintext::shorten($msgarr["title"], $max_char - 50);
 605
 606                 $image = "";
 607
 608                 if (isset($msgarr["url"]) && ($msgarr["type"] != "photo")) {
 609                         $msg .= " \n" . $msgarr["url"];
 610                 } elseif (isset($msgarr["image"]) && ($msgarr["type"] != "video")) {
 611                         $image = $msgarr["image"];
 612                 }
 613
 614                 if ($image != "") {
 615                         $img_str = Network::fetchUrl($image);
 616                         $tempfile = tempnam(get_temppath(), "cache");
 617                         file_put_contents($tempfile, $img_str);
 618                         $postdata = ["status" => $msg, "media[]" => $tempfile];
 619                 } else {
 620                         $postdata = ["status" => $msg];
 621                 }
 622
 623                 // and now send it :-)
 624                 if (strlen($msg)) {
 625                         if ($iscomment) {
 626                                 $postdata["in_reply_to_status_id"] = substr($orig_post["uri"], $hostlength);
 627                                 Logger::log('statusnet_post send reply ' . print_r($postdata, true), Logger::DEBUG);
 628                         }
 629
 630                         // New code that is able to post pictures
 631                         require_once __DIR__ . DIRECTORY_SEPARATOR . 'library' . DIRECTORY_SEPARATOR . 'codebirdsn.php';
 632                         $cb = CodebirdSN::getInstance();
 633                         $cb->setAPIEndpoint($api);
 634                         $cb->setConsumerKey($ckey, $csecret);
 635                         $cb->setToken($otoken, $osecret);
 636                         $result = $cb->statuses_update($postdata);
 637                         //$result = $dent->post('statuses/update', $postdata);
 638                         Logger::log('statusnet_post send, result: ' . print_r($result, true) .
 639                                 "\nmessage: " . $msg . "\nOriginal post: " . print_r($b, true) . "\nPost Data: " . print_r($postdata, true), Logger::DEBUG);
 640
 641                         if (!empty($result->source)) {
 642                                 PConfig::set($b["uid"], "statusnet", "application_name", strip_tags($result->source));
 643                         }
 644
 645                         if (!empty($result->error)) {
 646                                 Logger::log('Send to GNU Social failed: "' . $result->error . '"');
 647                         } elseif ($iscomment) {
 648                                 Logger::log('statusnet_post: Update extid ' . $result->id . " for post id " . $b['id']);
 649                                 Item::update(['extid' => $hostname . "::" . $result->id, 'body' => $result->text], ['id' => $b['id']]);
 650                         }
 651                 }
 652                 if ($tempfile != "") {
 653                         unlink($tempfile);
 654                 }
 655         }
 656 }
 657
 658 function statusnet_addon_admin_post(App $a)
 659 {
 660         $sites = [];
 661
 662         foreach ($_POST['sitename'] as $id => $sitename) {
 663                 $sitename = trim($sitename);
 664                 $apiurl = trim($_POST['apiurl'][$id]);
 665                 if (!(substr($apiurl, -1) == '/')) {
 666                         $apiurl = $apiurl . '/';
 667                 }
 668                 $secret = trim($_POST['secret'][$id]);
 669                 $key = trim($_POST['key'][$id]);
 670                 //$applicationname = (!empty($_POST['applicationname']) ? Strings::escapeTags(trim($_POST['applicationname'][$id])):'');
 671                 if ($sitename != "" &&
 672                         $apiurl != "" &&
 673                         $secret != "" &&
 674                         $key != "" &&
 675                         empty($_POST['delete'][$id])) {
 676
 677                         $sites[] = [
 678                                 'sitename' => $sitename,
 679                                 'apiurl' => $apiurl,
 680                                 'consumersecret' => $secret,
 681                                 'consumerkey' => $key,
 682                                 //'applicationname' => $applicationname
 683                         ];
 684                 }
 685         }
 686
 687         $sites = Config::set('statusnet', 'sites', $sites);
 688 }
 689
 690 function statusnet_addon_admin(App $a, &$o)
 691 {
 692         $sites = Config::get('statusnet', 'sites');
 693         $sitesform = [];
 694         if (is_array($sites)) {
 695                 foreach ($sites as $id => $s) {
 696                         $sitesform[] = [
 697                                 'sitename' => ["sitename[$id]", "Site name", $s['sitename'], ""],
 698                                 'apiurl' => ["apiurl[$id]", "Api url", $s['apiurl'], L10n::t("Base API Path \x28remember the trailing /\x29")],
 699                                 'secret' => ["secret[$id]", "Secret", $s['consumersecret'], ""],
 700                                 'key' => ["key[$id]", "Key", $s['consumerkey'], ""],
 701                                 //'applicationname' => Array("applicationname[$id]", "Application name", $s['applicationname'], ""),
 702                                 'delete' => ["delete[$id]", "Delete", False, "Check to delete this preset"],
 703                         ];
 704                 }
 705         }
 706         /* empty form to add new site */
 707         $id = count($sitesform);
 708         $sitesform[] = [
 709                 'sitename' => ["sitename[$id]", L10n::t("Site name"), "", ""],
 710                 'apiurl' => ["apiurl[$id]", "Api url", "", L10n::t("Base API Path \x28remember the trailing /\x29")],
 711                 'secret' => ["secret[$id]", L10n::t("Consumer Secret"), "", ""],
 712                 'key' => ["key[$id]", L10n::t("Consumer Key"), "", ""],
 713                 //'applicationname' => Array("applicationname[$id]", L10n::t("Application name"), "", ""),
 714         ];
 715
 716         $t = Renderer::getMarkupTemplate("admin.tpl", "addon/statusnet/");
 717         $o = Renderer::replaceMacros($t, [
 718                 '$submit' => L10n::t('Save Settings'),
 719                 '$sites' => $sitesform,
 720         ]);
 721 }
 722
 723 function statusnet_prepare_body(App $a, &$b)
 724 {
 725         if ($b["item"]["network"] != Protocol::STATUSNET) {
 726                 return;
 727         }
 728
 729         if ($b["preview"]) {
 730                 $max_char = PConfig::get(local_user(), 'statusnet', 'max_char');
 731                 if (intval($max_char) == 0) {
 732                         $max_char = 140;
 733                 }
 734
 735                 $item = $b["item"];
 736                 $item["plink"] = $a->getBaseURL() . "/display/" . $a->user["nickname"] . "/" . $item["parent"];
 737
 738                 $condition = ['uri' => $item["thr-parent"], 'uid' => local_user()];
 739                 $orig_post = Item::selectFirst(['author-link', 'uri'], $condition);
 740                 if (DBA::isResult($orig_post)) {
 741                         $nick = preg_replace("=https?://(.*)/(.*)=ism", "$2", $orig_post["author-link"]);
 742
 743                         $nickname = "@[url=" . $orig_post["author-link"] . "]" . $nick . "[/url]";
 744                         $nicknameplain = "@" . $nick;
 745
 746                         if ((strpos($item["body"], $nickname) === false) && (strpos($item["body"], $nicknameplain) === false)) {
 747                                 $item["body"] = $nickname . " " . $item["body"];
 748                         }
 749                 }
 750
 751                 $msgarr = ItemContent::getPlaintextPost($item, $max_char, true, 7);
 752                 $msg = $msgarr["text"];
 753
 754                 if (isset($msgarr["url"]) && ($msgarr["type"] != "photo")) {
 755                         $msg .= " " . $msgarr["url"];
 756                 }
 757
 758                 if (isset($msgarr["image"])) {
 759                         $msg .= " " . $msgarr["image"];
 760                 }
 761
 762                 $b['html'] = nl2br(htmlspecialchars($msg));
 763         }
 764 }
 765
 766 function statusnet_cron(App $a, $b)
 767 {
 768         $last = Config::get('statusnet', 'last_poll');
 769
 770         $poll_interval = intval(Config::get('statusnet', 'poll_interval'));
 771         if (!$poll_interval) {
 772                 $poll_interval = STATUSNET_DEFAULT_POLL_INTERVAL;
 773         }
 774
 775         if ($last) {
 776                 $next = $last + ($poll_interval * 60);
 777                 if ($next > time()) {
 778                         Logger::log('statusnet: poll intervall not reached');
 779                         return;
 780                 }
 781         }
 782         Logger::log('statusnet: cron_start');
 783
 784         $r = q("SELECT * FROM `pconfig` WHERE `cat` = 'statusnet' AND `k` = 'mirror_posts' AND `v` = '1' ORDER BY RAND() ");
 785         if (DBA::isResult($r)) {
 786                 foreach ($r as $rr) {
 787                         Logger::log('statusnet: fetching for user ' . $rr['uid']);
 788                         statusnet_fetchtimeline($a, $rr['uid']);
 789                 }
 790         }
 791
 792         $abandon_days = intval(Config::get('system', 'account_abandon_days'));
 793         if ($abandon_days < 1) {
 794                 $abandon_days = 0;
 795         }
 796
 797         $abandon_limit = date(DateTimeFormat::MYSQL, time() - $abandon_days * 86400);
 798
 799         $r = q("SELECT * FROM `pconfig` WHERE `cat` = 'statusnet' AND `k` = 'import' AND `v` ORDER BY RAND()");
 800         if (DBA::isResult($r)) {
 801                 foreach ($r as $rr) {
 802                         if ($abandon_days != 0) {
 803                                 $user = q("SELECT `login_date` FROM `user` WHERE uid=%d AND `login_date` >= '%s'", $rr['uid'], $abandon_limit);
 804                                 if (!DBA::isResult($user)) {
 805                                         Logger::log('abandoned account: timeline from user ' . $rr['uid'] . ' will not be imported');
 806                                         continue;
 807                                 }
 808                         }
 809
 810                         Logger::log('statusnet: importing timeline from user ' . $rr['uid']);
 811                         statusnet_fetchhometimeline($a, $rr["uid"], $rr["v"]);
 812                 }
 813         }
 814
 815         Logger::log('statusnet: cron_end');
 816
 817         Config::set('statusnet', 'last_poll', time());
 818 }
 819
 820 function statusnet_fetchtimeline(App $a, $uid)
 821 {
 822         $ckey    = PConfig::get($uid, 'statusnet', 'consumerkey');
 823         $csecret = PConfig::get($uid, 'statusnet', 'consumersecret');
 824         $api     = PConfig::get($uid, 'statusnet', 'baseapi');
 825         $otoken  = PConfig::get($uid, 'statusnet', 'oauthtoken');
 826         $osecret = PConfig::get($uid, 'statusnet', 'oauthsecret');
 827         $lastid  = PConfig::get($uid, 'statusnet', 'lastid');
 828
 829         require_once 'mod/item.php';
 830         require_once 'include/items.php';
 831
 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, $create_user)
 943 {
 944         if ($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         require_once 'include/items.php';
1258
1259         $connection = new StatusNetOAuth($api, $ckey, $csecret, $otoken, $osecret);
1260
1261         $own_contact = statusnet_fetch_own_contact($a, $uid);
1262
1263         $r = q("SELECT * FROM `contact` WHERE `id` = %d AND `uid` = %d LIMIT 1",
1264                 intval($own_contact),
1265                 intval($uid));
1266
1267         if (DBA::isResult($r)) {
1268                 $nick = $r[0]["nick"];
1269         } else {
1270                 Logger::log("statusnet_fetchhometimeline: Own GNU Social contact not found for user " . $uid, Logger::DEBUG);
1271                 return;
1272         }
1273
1274         $r = q("SELECT * FROM `contact` WHERE `self` = 1 AND `uid` = %d LIMIT 1",
1275                 intval($uid));
1276
1277         if (DBA::isResult($r)) {
1278                 $self = $r[0];
1279         } else {
1280                 Logger::log("statusnet_fetchhometimeline: Own contact not found for user " . $uid, Logger::DEBUG);
1281                 return;
1282         }
1283
1284         $u = q("SELECT * FROM user WHERE uid = %d LIMIT 1",
1285                 intval($uid));
1286         if (!DBA::isResult($u)) {
1287                 Logger::log("statusnet_fetchhometimeline: Own user not found for user " . $uid, Logger::DEBUG);
1288                 return;
1289         }
1290
1291         $parameters = ["exclude_replies" => false, "trim_user" => false, "contributor_details" => true, "include_rts" => true];
1292         //$parameters["count"] = 200;
1293
1294         if ($mode == 1) {
1295                 // Fetching timeline
1296                 $lastid = PConfig::get($uid, 'statusnet', 'lasthometimelineid');
1297                 //$lastid = 1;
1298
1299                 $first_time = ($lastid == "");
1300
1301                 if ($lastid != "") {
1302                         $parameters["since_id"] = $lastid;
1303                 }
1304
1305                 $items = $connection->get('statuses/home_timeline', $parameters);
1306
1307                 if (!is_array($items)) {
1308                         if (is_object($items) && isset($items->error)) {
1309                                 $errormsg = $items->error;
1310                         } elseif (is_object($items)) {
1311                                 $errormsg = print_r($items, true);
1312                         } elseif (is_string($items) || is_float($items) || is_int($items)) {
1313                                 $errormsg = $items;
1314                         } else {
1315                                 $errormsg = "Unknown error";
1316                         }
1317
1318                         Logger::log("statusnet_fetchhometimeline: Error fetching home timeline: " . $errormsg, Logger::DEBUG);
1319                         return;
1320                 }
1321
1322                 $posts = array_reverse($items);
1323
1324                 Logger::log("statusnet_fetchhometimeline: Fetching timeline for user " . $uid . " " . sizeof($posts) . " items", Logger::DEBUG);
1325
1326                 if (count($posts)) {
1327                         foreach ($posts as $post) {
1328
1329                                 if ($post->id > $lastid) {
1330                                         $lastid = $post->id;
1331                                 }
1332
1333                                 if ($first_time) {
1334                                         continue;
1335                                 }
1336
1337                                 if (isset($post->statusnet_conversation_id)) {
1338                                         if (!isset($conversations[$post->statusnet_conversation_id])) {
1339                                                 statusnet_complete_conversation($a, $uid, $self, $create_user, $nick, $post->statusnet_conversation_id);
1340                                                 $conversations[$post->statusnet_conversation_id] = $post->statusnet_conversation_id;
1341                                         }
1342                                 } else {
1343                                         $postarray = statusnet_createpost($a, $uid, $post, $self, $create_user, true);
1344
1345                                         if (trim($postarray['body']) == "") {
1346                                                 continue;
1347                                         }
1348
1349                                         $item = Item::insert($postarray);
1350                                         $postarray["id"] = $item;
1351
1352                                         Logger::log('statusnet_fetchhometimeline: User ' . $self["nick"] . ' posted home timeline item ' . $item);
1353                                 }
1354                         }
1355                 }
1356                 PConfig::set($uid, 'statusnet', 'lasthometimelineid', $lastid);
1357         }
1358
1359         // Fetching mentions
1360         $lastid = PConfig::get($uid, 'statusnet', 'lastmentionid');
1361         $first_time = ($lastid == "");
1362
1363         if ($lastid != "") {
1364                 $parameters["since_id"] = $lastid;
1365         }
1366
1367         $items = $connection->get('statuses/mentions_timeline', $parameters);
1368
1369         if (!is_array($items)) {
1370                 Logger::log("statusnet_fetchhometimeline: Error fetching mentions: " . print_r($items, true), Logger::DEBUG);
1371                 return;
1372         }
1373
1374         $posts = array_reverse($items);
1375
1376         Logger::log("statusnet_fetchhometimeline: Fetching mentions for user " . $uid . " " . sizeof($posts) . " items", Logger::DEBUG);
1377
1378         if (count($posts)) {
1379                 foreach ($posts as $post) {
1380                         if ($post->id > $lastid) {
1381                                 $lastid = $post->id;
1382                         }
1383
1384                         if ($first_time) {
1385                                 continue;
1386                         }
1387
1388                         $postarray = statusnet_createpost($a, $uid, $post, $self, false, false);
1389
1390                         if (isset($post->statusnet_conversation_id)) {
1391                                 if (!isset($conversations[$post->statusnet_conversation_id])) {
1392                                         statusnet_complete_conversation($a, $uid, $self, $create_user, $nick, $post->statusnet_conversation_id);
1393                                         $conversations[$post->statusnet_conversation_id] = $post->statusnet_conversation_id;
1394                                 }
1395                         } else {
1396                                 if (trim($postarray['body']) == "") {
1397                                         continue;
1398                                 }
1399
1400                                 $item = Item::insert($postarray);
1401
1402                                 Logger::log('statusnet_fetchhometimeline: User ' . $self["nick"] . ' posted mention timeline item ' . $item);
1403                         }
1404                 }
1405         }
1406
1407         PConfig::set($uid, 'statusnet', 'lastmentionid', $lastid);
1408 }
1409
1410 function statusnet_complete_conversation(App $a, $uid, $self, $create_user, $nick, $conversation)
1411 {
1412         $ckey    = PConfig::get($uid, 'statusnet', 'consumerkey');
1413         $csecret = PConfig::get($uid, 'statusnet', 'consumersecret');
1414         $api     = PConfig::get($uid, 'statusnet', 'baseapi');
1415         $otoken  = PConfig::get($uid, 'statusnet', 'oauthtoken');
1416         $osecret = PConfig::get($uid, 'statusnet', 'oauthsecret');
1417         $own_url = PConfig::get($uid, 'statusnet', 'own_url');
1418
1419         $connection = new StatusNetOAuth($api, $ckey, $csecret, $otoken, $osecret);
1420
1421         $parameters["count"] = 200;
1422
1423         $items = $connection->get('statusnet/conversation/' . $conversation, $parameters);
1424         if (is_array($items)) {
1425                 $posts = array_reverse($items);
1426
1427                 foreach ($posts as $post) {
1428                         $postarray = statusnet_createpost($a, $uid, $post, $self, false, false);
1429
1430                         if (empty($postarray['body'])) {
1431                                 continue;
1432                         }
1433
1434                         $item = Item::insert($postarray);
1435                         $postarray["id"] = $item;
1436
1437                         Logger::log('statusnet_complete_conversation: User ' . $self["nick"] . ' posted home timeline item ' . $item);
1438                 }
1439         }
1440 }
1441
1442 function statusnet_convertmsg(App $a, $body, $no_tags = false)
1443 {
1444         require_once "include/items.php";
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 = $connection->get('account/verify_credentials');
1569
1570                 PConfig::set($uid, 'statusnet', 'own_url', Strings::normaliseLink($user->statusnet_profile_url));
1571
1572                 $contact_id = statusnet_fetch_contact($uid, $user, true);
1573         } else {
1574                 $r = q("SELECT * FROM `contact` WHERE `uid` = %d AND `alias` = '%s' LIMIT 1",
1575                         intval($uid), DBA::escape($own_url));
1576                 if (DBA::isResult($r)) {
1577                         $contact_id = $r[0]["id"];
1578                 } else {
1579                         PConfig::delete($uid, 'statusnet', 'own_url');
1580                 }
1581         }
1582         return $contact_id;
1583 }
1584
1585 function statusnet_is_retweet(App $a, $uid, $body)
1586 {
1587         $body = trim($body);
1588
1589         // Skip if it isn't a pure repeated messages
1590         // Does it start with a share?
1591         if (strpos($body, "[share") > 0) {
1592                 return false;
1593         }
1594
1595         // Does it end with a share?
1596         if (strlen($body) > (strrpos($body, "[/share]") + 8)) {
1597                 return false;
1598         }
1599
1600         $attributes = preg_replace("/\[share(.*?)\]\s?(.*?)\s?\[\/share\]\s?/ism", "$1", $body);
1601         // Skip if there is no shared message in there
1602         if ($body == $attributes) {
1603                 return false;
1604         }
1605
1606         $link = "";
1607         preg_match("/link='(.*?)'/ism", $attributes, $matches);
1608         if (!empty($matches[1])) {
1609                 $link = $matches[1];
1610         }
1611
1612         preg_match('/link="(.*?)"/ism', $attributes, $matches);
1613         if (!empty($matches[1])) {
1614                 $link = $matches[1];
1615         }
1616
1617         $ckey    = PConfig::get($uid, 'statusnet', 'consumerkey');
1618         $csecret = PConfig::get($uid, 'statusnet', 'consumersecret');
1619         $api     = PConfig::get($uid, 'statusnet', 'baseapi');
1620         $otoken  = PConfig::get($uid, 'statusnet', 'oauthtoken');
1621         $osecret = PConfig::get($uid, 'statusnet', 'oauthsecret');
1622         $hostname = preg_replace("=https?://([\w\.]*)/.*=ism", "$1", $api);
1623
1624         $id = preg_replace("=https?://" . $hostname . "/notice/(.*)=ism", "$1", $link);
1625
1626         if ($id == $link) {
1627                 return false;
1628         }
1629
1630         Logger::log('statusnet_is_retweet: Retweeting id ' . $id . ' for user ' . $uid, Logger::DEBUG);
1631
1632         $connection = new StatusNetOAuth($api, $ckey, $csecret, $otoken, $osecret);
1633
1634         $result = $connection->post('statuses/retweet/' . $id);
1635
1636         Logger::log('statusnet_is_retweet: result ' . print_r($result, true), Logger::DEBUG);
1637
1638         return isset($result->id);
1639 }