wppost/wppost.php

   1 <?php
   2 /**
   3  * Name: WordPress Post Connector
   4  * Description: Post to WordPress (or anything else which uses blogger XMLRPC API)
   5  * Version: 1.1
   6  * Author: Mike Macgirvin <http://macgirvin.com/profile/mike>
   7  */
   8
   9 use Friendica\App;
  10 use Friendica\Content\Text\BBCode;
  11 use Friendica\Content\Text\HTML;
  12 use Friendica\Core\Hook;
  13 use Friendica\Core\Logger;
  14 use Friendica\Core\Renderer;
  15 use Friendica\Database\DBA;
  16 use Friendica\DI;
  17 use Friendica\Model\Post;
  18 use Friendica\Util\XML;
  19
  20 function wppost_install()
  21 {
  22         Hook::register('hook_fork',            'addon/wppost/wppost.php', 'wppost_hook_fork');
  23         Hook::register('post_local',           'addon/wppost/wppost.php', 'wppost_post_local');
  24         Hook::register('notifier_normal',      'addon/wppost/wppost.php', 'wppost_send');
  25         Hook::register('jot_networks',         'addon/wppost/wppost.php', 'wppost_jot_nets');
  26         Hook::register('connector_settings',      'addon/wppost/wppost.php', 'wppost_settings');
  27         Hook::register('connector_settings_post', 'addon/wppost/wppost.php', 'wppost_settings_post');
  28 }
  29
  30 function wppost_jot_nets(array &$jotnets_fields)
  31 {
  32         if (!DI::userSession()->getLocalUserId()) {
  33                 return;
  34         }
  35
  36         if (DI::pConfig()->get(DI::userSession()->getLocalUserId(),'wppost','post')) {
  37                 $jotnets_fields[] = [
  38                         'type' => 'checkbox',
  39                         'field' => [
  40                                 'wppost_enable',
  41                                 DI::l10n()->t('Post to Wordpress'),
  42                                 DI::pConfig()->get(DI::userSession()->getLocalUserId(),'wppost','post_by_default')
  43                         ]
  44                 ];
  45         }
  46 }
  47
  48
  49 function wppost_settings(array &$data)
  50 {
  51         if (!DI::userSession()->getLocalUserId()) {
  52                 return;
  53         }
  54
  55         $enabled            = DI::pConfig()->get(DI::userSession()->getLocalUserId(), 'wppost', 'post', false);
  56         $wp_username        = DI::pConfig()->get(DI::userSession()->getLocalUserId(), 'wppost', 'wp_username');
  57         $wp_blog            = DI::pConfig()->get(DI::userSession()->getLocalUserId(), 'wppost', 'wp_blog');
  58         $def_enabled        = DI::pConfig()->get(DI::userSession()->getLocalUserId(), 'wppost', 'post_by_default', false);
  59         $back_enabled       = DI::pConfig()->get(DI::userSession()->getLocalUserId(), 'wppost', 'backlink', false);
  60         $wp_backlink_text   = DI::pConfig()->get(DI::userSession()->getLocalUserId(), 'wppost', 'wp_backlink_text');
  61         $shortcheck_enabled = DI::pConfig()->get(DI::userSession()->getLocalUserId(), 'wppost', 'shortcheck', false);
  62
  63         $t    = Renderer::getMarkupTemplate('connector_settings.tpl', 'addon/wppost/');
  64         $html = Renderer::replaceMacros($t, [
  65                 '$enabled'       => ['wppost', DI::l10n()->t('Enable Wordpress Post Addon'), $enabled],
  66                 '$username'      => ['wp_username', DI::l10n()->t('Wordpress username'), $wp_username],
  67                 '$password'      => ['wp_password', DI::l10n()->t('Wordpress password')],
  68                 '$blog'          => ['wp_blog', DI::l10n()->t('WordPress API URL'), $wp_blog],
  69                 '$bydefault'     => ['wp_bydefault', DI::l10n()->t('Post to Wordpress by default'), $def_enabled],
  70                 '$backlink'      => ['wp_backlink', DI::l10n()->t('Provide a backlink to the Friendica post'), $back_enabled],
  71                 '$backlink_text' => ['wp_backlink_text', DI::l10n()->t('Text for the backlink, e.g. Read the original post and comment stream on Friendica.'), $wp_backlink_text],
  72                 '$shortcheck'    => ['wp_shortcheck', DI::l10n()->t('Don\'t post messages that are too short'), $shortcheck_enabled],
  73         ]);
  74
  75         $data = [
  76                 'connector' => 'wppost',
  77                 'title'     => DI::l10n()->t('Wordpress Export'),
  78                 'image'     => 'images/wordpress.png',
  79                 'enabled'   => $enabled,
  80                 'html'      => $html,
  81         ];
  82 }
  83
  84
  85 function wppost_settings_post(array &$b)
  86 {
  87         if(!empty($_POST['wppost-submit'])) {
  88                 DI::pConfig()->set(DI::userSession()->getLocalUserId(), 'wppost', 'post'           , intval($_POST['wppost']));
  89                 DI::pConfig()->set(DI::userSession()->getLocalUserId(), 'wppost', 'post_by_default', intval($_POST['wp_bydefault']));
  90                 DI::pConfig()->set(DI::userSession()->getLocalUserId(), 'wppost', 'wp_username'    ,   trim($_POST['wp_username']));
  91                 DI::pConfig()->set(DI::userSession()->getLocalUserId(), 'wppost', 'wp_password'    ,   trim($_POST['wp_password']));
  92                 DI::pConfig()->set(DI::userSession()->getLocalUserId(), 'wppost', 'wp_blog'        ,   trim($_POST['wp_blog']));
  93                 DI::pConfig()->set(DI::userSession()->getLocalUserId(), 'wppost', 'backlink'       , intval($_POST['wp_backlink']));
  94                 DI::pConfig()->set(DI::userSession()->getLocalUserId(), 'wppost', 'shortcheck'     , intval($_POST['wp_shortcheck']));
  95                 $wp_backlink_text = BBCode::convert(trim($_POST['wp_backlink_text']), false, BBCode::BACKLINK);
  96                 $wp_backlink_text = HTML::toPlaintext($wp_backlink_text, 0, true);
  97                 DI::pConfig()->set(DI::userSession()->getLocalUserId(), 'wppost', 'wp_backlink_text', $wp_backlink_text);
  98         }
  99 }
 100
 101 function wppost_hook_fork(array &$b)
 102 {
 103         if ($b['name'] != 'notifier_normal') {
 104                 return;
 105         }
 106
 107         $post = $b['data'];
 108
 109         if ($post['deleted'] || $post['private'] || ($post['created'] !== $post['edited']) ||
 110                 !strstr($post['postopts'] ?? '', 'wppost') || ($post['parent'] != $post['id'])) {
 111                 $b['execute'] = false;
 112                 return;
 113         }
 114 }
 115
 116 function wppost_post_local(array &$b) {
 117
 118         // This can probably be changed to allow editing by pointing to a different API endpoint
 119
 120         if ($b['edit']) {
 121                 return;
 122         }
 123
 124         if (!DI::userSession()->getLocalUserId() || (DI::userSession()->getLocalUserId() != $b['uid'])) {
 125                 return;
 126         }
 127
 128         if ($b['private'] || $b['parent']) {
 129                 return;
 130         }
 131
 132         $wp_post   = intval(DI::pConfig()->get(DI::userSession()->getLocalUserId(), 'wppost', 'post'));
 133
 134         $wp_enable = (($wp_post && !empty($_REQUEST['wppost_enable'])) ? intval($_REQUEST['wppost_enable']) : 0);
 135
 136         if ($b['api_source'] && intval(DI::pConfig()->get(DI::userSession()->getLocalUserId(), 'wppost', 'post_by_default'))) {
 137                 $wp_enable = 1;
 138         }
 139
 140         if (!$wp_enable) {
 141                 return;
 142         }
 143
 144         if (strlen($b['postopts'])) {
 145                 $b['postopts'] .= ',';
 146         }
 147
 148         $b['postopts'] .= 'wppost';
 149 }
 150
 151
 152
 153
 154 function wppost_send(array &$b)
 155 {
 156         if($b['deleted'] || $b['private'] || ($b['created'] !== $b['edited'])) {
 157                 return;
 158         }
 159
 160         if(! strstr($b['postopts'],'wppost')) {
 161                 return;
 162         }
 163
 164         if($b['parent'] != $b['id']) {
 165                 return;
 166         }
 167
 168         // Dont't post if the post doesn't belong to us.
 169         // This is a check for forum postings
 170         $self = DBA::selectFirst('contact', ['id'], ['uid' => $b['uid'], 'self' => true]);
 171         if ($b['contact-id'] != $self['id']) {
 172                 return;
 173         }
 174
 175         $b['body'] = Post\Media::addAttachmentsToBody($b['uri-id'], DI::contentItem()->addSharedPost($b));
 176
 177         $wp_username = XML::escape(DI::pConfig()->get($b['uid'], 'wppost', 'wp_username'));
 178         $wp_password = XML::escape(DI::pConfig()->get($b['uid'], 'wppost', 'wp_password'));
 179         $wp_blog = DI::pConfig()->get($b['uid'],'wppost','wp_blog');
 180         $wp_backlink_text = DI::pConfig()->get($b['uid'],'wppost','wp_backlink_text');
 181         if ($wp_backlink_text == '') {
 182                 $wp_backlink_text = DI::l10n()->t('Read the original post and comment stream on Friendica');
 183         }
 184
 185         if ($wp_username && $wp_password && $wp_blog) {
 186                 $wptitle = trim($b['title']);
 187
 188                 if (intval(DI::pConfig()->get($b['uid'], 'wppost', 'shortcheck'))) {
 189                         // Checking, if its a post that is worth a blog post
 190                         $postentry = false;
 191                         $siteinfo = BBCode::getAttachedData($b["body"]);
 192
 193                         // Is it a link to an aricle, a video or a photo?
 194                         if (isset($siteinfo["type"])) {
 195                                 if (in_array($siteinfo["type"], ["link", "audio", "video", "photo"])) {
 196                                         $postentry = true;
 197                                 }
 198                         }
 199
 200                         // Does it have a title?
 201                         if ($wptitle != "") {
 202                                 $postentry = true;
 203                         }
 204
 205                         // Is it larger than 500 characters?
 206                         if (strlen($b['body']) > 500) {
 207                                 $postentry = true;
 208                         }
 209
 210                         if (!$postentry) {
 211                                 return;
 212                         }
 213                 }
 214
 215                 // If the title is empty then try to guess
 216                 if ($wptitle == '') {
 217                         // Fetch information about the post
 218                         $siteinfo = BBCode::getAttachedData($b["body"]);
 219                         if (isset($siteinfo["title"])) {
 220                                 $wptitle = $siteinfo["title"];
 221                         }
 222
 223                         // If no bookmark is found then take the first line
 224                         if ($wptitle == '') {
 225                                 // Remove the share element before fetching the first line
 226                                 $title = trim(preg_replace("/\[share.*?\](.*?)\[\/share\]/ism", "\n$1\n", $b['body']));
 227
 228                                 $title = BBCode::toPlaintext($title)."\n";
 229                                 $pos = strpos($title, "\n");
 230                                 $trailer = "";
 231                                 if (($pos == 0) || ($pos > 100)) {
 232                                         $pos = 100;
 233                                         $trailer = "...";
 234                                 }
 235
 236                                 $wptitle = substr($title, 0, $pos).$trailer;
 237                         }
 238                 }
 239
 240                 $title = '<title>' . (($wptitle) ? $wptitle : DI::l10n()->t('Post from Friendica')) . '</title>';
 241                 $post = BBCode::convertForUriId($b['uri-id'], $b['body'], BBCode::CONNECTORS);
 242
 243                 // If a link goes to youtube then remove the stuff around it. Wordpress detects youtube links and embeds it
 244                 $post = preg_replace('/<a.*?href="(https?:\/\/www.youtube.com\/.*?)".*?>(.*?)<\/a>/ism', "\n$1\n", $post);
 245                 $post = preg_replace('/<a.*?href="(https?:\/\/youtu.be\/.*?)".*?>(.*?)<\/a>/ism', "\n$1\n", $post);
 246
 247                 $post = $title.$post;
 248
 249                 $wp_backlink = intval(DI::pConfig()->get($b['uid'],'wppost','backlink'));
 250                 if($wp_backlink && $b['plink']) {
 251                         $post .= '<p><a href="' . $b['plink'] . '">' . $wp_backlink_text . '</a></p>';
 252                 }
 253
 254                 $post = XML::escape($post);
 255
 256
 257                 $xml = <<< EOT
 258 <?xml version=\"1.0\" encoding=\"utf-8\"?>
 259 <methodCall>
 260   <methodName>blogger.newPost</methodName>
 261   <params>
 262     <param><value><string/></value></param>
 263     <param><value><string/></value></param>
 264     <param><value><string>$wp_username</string></value></param>
 265     <param><value><string>$wp_password</string></value></param>
 266     <param><value><string>$post</string></value></param>
 267     <param><value><int>1</int></value></param>
 268   </params>
 269 </methodCall>
 270
 271 EOT;
 272
 273                 Logger::debug('wppost: data: ' . $xml);
 274
 275                 if ($wp_blog !== 'test') {
 276                         $x = DI::httpClient()->post($wp_blog, $xml)->getBody();
 277                 }
 278                 Logger::info('posted to wordpress: ' . (($x) ? $x : ''));
 279         }
 280 }