libertree/libertree.php

   1 <?php
   2 /**
   3  * Name: Libertree Post Connector
   4  * Description: Post to libertree accounts
   5  * Version: 1.0
   6  * Author: Tony Baldwin <https://free-haven.org/u/tony>
   7  */
   8
   9 use Friendica\App;
  10 use Friendica\Content\Text\BBCode;
  11 use Friendica\Core\Hook;
  12 use Friendica\Core\L10n;
  13 use Friendica\Core\Logger;
  14 use Friendica\Core\PConfig;
  15 use Friendica\Database\DBA;
  16 use Friendica\DI;
  17 use Friendica\Util\Network;
  18
  19 function libertree_install()
  20 {
  21         Hook::register('hook_fork',            'addon/libertree/libertree.php', 'libertree_hook_fork');
  22         Hook::register('post_local',           'addon/libertree/libertree.php', 'libertree_post_local');
  23         Hook::register('notifier_normal',      'addon/libertree/libertree.php', 'libertree_send');
  24         Hook::register('jot_networks',         'addon/libertree/libertree.php', 'libertree_jot_nets');
  25         Hook::register('connector_settings',      'addon/libertree/libertree.php', 'libertree_settings');
  26         Hook::register('connector_settings_post', 'addon/libertree/libertree.php', 'libertree_settings_post');
  27 }
  28
  29 function libertree_uninstall()
  30 {
  31         Hook::unregister('hook_fork',        'addon/libertree/libertree.php', 'libertree_hook_fork');
  32         Hook::unregister('post_local',       'addon/libertree/libertree.php', 'libertree_post_local');
  33         Hook::unregister('notifier_normal',  'addon/libertree/libertree.php', 'libertree_send');
  34         Hook::unregister('jot_networks',     'addon/libertree/libertree.php', 'libertree_jot_nets');
  35         Hook::unregister('connector_settings',      'addon/libertree/libertree.php', 'libertree_settings');
  36         Hook::unregister('connector_settings_post', 'addon/libertree/libertree.php', 'libertree_settings_post');
  37 }
  38
  39 function libertree_jot_nets(App &$a, array &$jotnets_fields)
  40 {
  41     if(! local_user()) {
  42         return;
  43     }
  44
  45         if (PConfig::get(local_user(), 'libertree', 'post')) {
  46                 $jotnets_fields[] = [
  47                         'type' => 'checkbox',
  48                         'field' => [
  49                                 'libertree_enable',
  50                                 L10n::t('Post to libertree'),
  51                                 PConfig::get(local_user(), 'libertree', 'post_by_default')
  52                         ]
  53                 ];
  54         }
  55 }
  56
  57
  58 function libertree_settings(&$a,&$s) {
  59
  60     if(! local_user())
  61         return;
  62
  63     /* Add our stylesheet to the page so we can make our settings look nice */
  64
  65     $a->page['htmlhead'] .= '<link rel="stylesheet"  type="text/css" href="' . DI::baseUrl()->get() . '/addon/libertree/libertree.css' . '" media="all" />' . "\r\n";
  66
  67     /* Get the current state of our config variables */
  68
  69     $enabled = PConfig::get(local_user(),'libertree','post');
  70     $checked = (($enabled) ? ' checked="checked" ' : '');
  71     $css = (($enabled) ? '' : '-disabled');
  72
  73     $def_enabled = PConfig::get(local_user(),'libertree','post_by_default');
  74
  75     $def_checked = (($def_enabled) ? ' checked="checked" ' : '');
  76
  77     $ltree_api_token = PConfig::get(local_user(), 'libertree', 'libertree_api_token');
  78     $ltree_url = PConfig::get(local_user(), 'libertree', 'libertree_url');
  79
  80
  81     /* Add some HTML to the existing form */
  82
  83     $s .= '<span id="settings_libertree_inflated" class="settings-block fakelink" style="display: block;" onclick="openClose(\'settings_libertree_expanded\'); openClose(\'settings_libertree_inflated\');">';
  84     $s .= '<img class="connector'.$css.'" src="images/libertree.png" /><h3 class="connector">'. L10n::t('libertree Export').'</h3>';
  85     $s .= '</span>';
  86     $s .= '<div id="settings_libertree_expanded" class="settings-block" style="display: none;">';
  87     $s .= '<span class="fakelink" onclick="openClose(\'settings_libertree_expanded\'); openClose(\'settings_libertree_inflated\');">';
  88     $s .= '<img class="connector'.$css.'" src="images/libertree.png" /><h3 class="connector">'. L10n::t('libertree Export').'</h3>';
  89     $s .= '</span>';
  90
  91     $s .= '<div id="libertree-enable-wrapper">';
  92     $s .= '<label id="libertree-enable-label" for="libertree-checkbox">' . L10n::t('Enable Libertree Post Addon') . '</label>';
  93     $s .= '<input id="libertree-checkbox" type="checkbox" name="libertree" value="1" ' . $checked . '/>';
  94     $s .= '</div><div class="clear"></div>';
  95
  96     $s .= '<div id="libertree-api_token-wrapper">';
  97     $s .= '<label id="libertree-api_token-label" for="libertree-api_token">' . L10n::t('Libertree API token') . '</label>';
  98     $s .= '<input id="libertree-api_token" type="text" name="libertree_api_token" value="' . $ltree_api_token . '" />';
  99     $s .= '</div><div class="clear"></div>';
 100
 101     $s .= '<div id="libertree-url-wrapper">';
 102     $s .= '<label id="libertree-url-label" for="libertree-url">' . L10n::t('Libertree site URL') . '</label>';
 103     $s .= '<input id="libertree-url" type="text" name="libertree_url" value="' . $ltree_url . '" />';
 104     $s .= '</div><div class="clear"></div>';
 105
 106     $s .= '<div id="libertree-bydefault-wrapper">';
 107     $s .= '<label id="libertree-bydefault-label" for="libertree-bydefault">' . L10n::t('Post to Libertree by default') . '</label>';
 108     $s .= '<input id="libertree-bydefault" type="checkbox" name="libertree_bydefault" value="1" ' . $def_checked . '/>';
 109     $s .= '</div><div class="clear"></div>';
 110
 111     /* provide a submit button */
 112
 113     $s .= '<div class="settings-submit-wrapper" ><input type="submit" id="libertree-submit" name="libertree-submit" class="settings-submit" value="' . L10n::t('Save Settings') . '" /></div></div>';
 114
 115 }
 116
 117
 118 function libertree_settings_post(&$a,&$b) {
 119
 120         if(!empty($_POST['libertree-submit'])) {
 121
 122                 PConfig::set(local_user(),'libertree','post',intval($_POST['libertree']));
 123                 PConfig::set(local_user(),'libertree','post_by_default',intval($_POST['libertree_bydefault']));
 124                 PConfig::set(local_user(),'libertree','libertree_api_token',trim($_POST['libertree_api_token']));
 125                 PConfig::set(local_user(),'libertree','libertree_url',trim($_POST['libertree_url']));
 126
 127         }
 128
 129 }
 130
 131 function libertree_hook_fork(App &$a, array &$b)
 132 {
 133         if ($b['name'] != 'notifier_normal') {
 134                 return;
 135         }
 136
 137         $post = $b['data'];
 138
 139         if ($post['deleted'] || $post['private'] || ($post['created'] !== $post['edited']) ||
 140                 !strstr($post['postopts'], 'libertree') || ($post['parent'] != $post['id'])) {
 141                 $b['execute'] = false;
 142                 return;
 143         }
 144 }
 145
 146 function libertree_post_local(&$a,&$b) {
 147
 148         // This can probably be changed to allow editing by pointing to a different API endpoint
 149
 150         if ($b['edit']) {
 151                 return;
 152         }
 153
 154         if ((! local_user()) || (local_user() != $b['uid'])) {
 155                 return;
 156         }
 157
 158         if ($b['private'] || $b['parent']) {
 159                 return;
 160         }
 161
 162         $ltree_post   = intval(PConfig::get(local_user(),'libertree','post'));
 163
 164         $ltree_enable = (($ltree_post && !empty($_REQUEST['libertree_enable'])) ? intval($_REQUEST['libertree_enable']) : 0);
 165
 166         if ($b['api_source'] && intval(PConfig::get(local_user(),'libertree','post_by_default'))) {
 167                 $ltree_enable = 1;
 168         }
 169
 170         if (!$ltree_enable) {
 171                 return;
 172         }
 173
 174         if (strlen($b['postopts'])) {
 175                 $b['postopts'] .= ',';
 176         }
 177
 178         $b['postopts'] .= 'libertree';
 179 }
 180
 181
 182
 183
 184 function libertree_send(&$a,&$b) {
 185
 186         Logger::log('libertree_send: invoked');
 187
 188         if ($b['deleted'] || $b['private'] || ($b['created'] !== $b['edited'])) {
 189                 return;
 190         }
 191
 192         if (! strstr($b['postopts'],'libertree')) {
 193                 return;
 194         }
 195
 196         if ($b['parent'] != $b['id']) {
 197                 return;
 198         }
 199
 200         // Dont't post if the post doesn't belong to us.
 201         // This is a check for forum postings
 202         $self = DBA::selectFirst('contact', ['id'], ['uid' => $b['uid'], 'self' => true]);
 203         if ($b['contact-id'] != $self['id']) {
 204                 return;
 205         }
 206
 207         $ltree_api_token = PConfig::get($b['uid'],'libertree','libertree_api_token');
 208         $ltree_url = PConfig::get($b['uid'],'libertree','libertree_url');
 209         $ltree_blog = "$ltree_url/api/v1/posts/create/?token=$ltree_api_token";
 210         $ltree_source = DI::baseUrl()->getHostname();
 211
 212         if ($b['app'] != "")
 213                 $ltree_source .= " (".$b['app'].")";
 214
 215         if($ltree_url && $ltree_api_token && $ltree_blog && $ltree_source) {
 216                 $tag_arr = [];
 217                 $tags = '';
 218                 $x = preg_match_all('/\#\[(.*?)\](.*?)\[/',$b['tag'],$matches,PREG_SET_ORDER);
 219
 220                 if($x) {
 221                         foreach($matches as $mtch) {
 222                                 $tag_arr[] = $mtch[2];
 223                         }
 224                 }
 225                 if(count($tag_arr))
 226                         $tags = implode(',',$tag_arr);
 227
 228                 $title = $b['title'];
 229                 $body = $b['body'];
 230                 // Insert a newline before and after a quote
 231                 $body = str_ireplace("[quote", "\n\n[quote", $body);
 232                 $body = str_ireplace("[/quote]", "[/quote]\n\n", $body);
 233
 234                 // Removal of tags and mentions
 235                 // #-tags
 236                 $body = preg_replace('/#\[url\=(\w+.*?)\](\w+.*?)\[\/url\]/i', '#$2', $body);
 237                 // @-mentions
 238                 $body = preg_replace('/@\[url\=(\w+.*?)\](\w+.*?)\[\/url\]/i', '@$2', $body);
 239
 240                 // remove multiple newlines
 241                 do {
 242                         $oldbody = $body;
 243                         $body = str_replace("\n\n\n", "\n\n", $body);
 244                 } while ($oldbody != $body);
 245
 246                 // convert to markdown
 247                 $body = BBCode::toMarkdown($body, false);
 248
 249                 // Adding the title
 250                 if(strlen($title))
 251                         $body = "## ".html_entity_decode($title)."\n\n".$body;
 252
 253
 254                 $params = [
 255                         'text' => $body,
 256                         'source' => $ltree_source
 257                 //      'token' => $ltree_api_token
 258                 ];
 259
 260                 $result = Network::post($ltree_blog, $params)->getBody();
 261                 Logger::log('libertree: ' . $result);
 262         }
 263 }