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\Database\DBA;
  15 use Friendica\DI;
  16 use Friendica\Util\Network;
  17
  18 function libertree_install()
  19 {
  20         Hook::register('hook_fork',            'addon/libertree/libertree.php', 'libertree_hook_fork');
  21         Hook::register('post_local',           'addon/libertree/libertree.php', 'libertree_post_local');
  22         Hook::register('notifier_normal',      'addon/libertree/libertree.php', 'libertree_send');
  23         Hook::register('jot_networks',         'addon/libertree/libertree.php', 'libertree_jot_nets');
  24         Hook::register('connector_settings',      'addon/libertree/libertree.php', 'libertree_settings');
  25         Hook::register('connector_settings_post', 'addon/libertree/libertree.php', 'libertree_settings_post');
  26 }
  27
  28 function libertree_uninstall()
  29 {
  30         Hook::unregister('hook_fork',        'addon/libertree/libertree.php', 'libertree_hook_fork');
  31         Hook::unregister('post_local',       'addon/libertree/libertree.php', 'libertree_post_local');
  32         Hook::unregister('notifier_normal',  'addon/libertree/libertree.php', 'libertree_send');
  33         Hook::unregister('jot_networks',     'addon/libertree/libertree.php', 'libertree_jot_nets');
  34         Hook::unregister('connector_settings',      'addon/libertree/libertree.php', 'libertree_settings');
  35         Hook::unregister('connector_settings_post', 'addon/libertree/libertree.php', 'libertree_settings_post');
  36 }
  37
  38 function libertree_jot_nets(App &$a, array &$jotnets_fields)
  39 {
  40     if(! local_user()) {
  41         return;
  42     }
  43
  44         if (DI::pConfig()->get(local_user(), 'libertree', 'post')) {
  45                 $jotnets_fields[] = [
  46                         'type' => 'checkbox',
  47                         'field' => [
  48                                 'libertree_enable',
  49                                 DI::l10n()->t('Post to libertree'),
  50                                 DI::pConfig()->get(local_user(), 'libertree', 'post_by_default')
  51                         ]
  52                 ];
  53         }
  54 }
  55
  56
  57 function libertree_settings(&$a,&$s) {
  58
  59     if(! local_user())
  60         return;
  61
  62     /* Add our stylesheet to the page so we can make our settings look nice */
  63
  64     DI::page()['htmlhead'] .= '<link rel="stylesheet"  type="text/css" href="' . DI::baseUrl()->get() . '/addon/libertree/libertree.css' . '" media="all" />' . "\r\n";
  65
  66     /* Get the current state of our config variables */
  67
  68     $enabled = DI::pConfig()->get(local_user(),'libertree','post');
  69     $checked = (($enabled) ? ' checked="checked" ' : '');
  70     $css = (($enabled) ? '' : '-disabled');
  71
  72     $def_enabled = DI::pConfig()->get(local_user(),'libertree','post_by_default');
  73
  74     $def_checked = (($def_enabled) ? ' checked="checked" ' : '');
  75
  76     $ltree_api_token = DI::pConfig()->get(local_user(), 'libertree', 'libertree_api_token');
  77     $ltree_url = DI::pConfig()->get(local_user(), 'libertree', 'libertree_url');
  78
  79
  80     /* Add some HTML to the existing form */
  81
  82     $s .= '<span id="settings_libertree_inflated" class="settings-block fakelink" style="display: block;" onclick="openClose(\'settings_libertree_expanded\'); openClose(\'settings_libertree_inflated\');">';
  83     $s .= '<img class="connector'.$css.'" src="images/libertree.png" /><h3 class="connector">'. DI::l10n()->t('libertree Export').'</h3>';
  84     $s .= '</span>';
  85     $s .= '<div id="settings_libertree_expanded" class="settings-block" style="display: none;">';
  86     $s .= '<span class="fakelink" onclick="openClose(\'settings_libertree_expanded\'); openClose(\'settings_libertree_inflated\');">';
  87     $s .= '<img class="connector'.$css.'" src="images/libertree.png" /><h3 class="connector">'. DI::l10n()->t('libertree Export').'</h3>';
  88     $s .= '</span>';
  89
  90     $s .= '<div id="libertree-enable-wrapper">';
  91     $s .= '<label id="libertree-enable-label" for="libertree-checkbox">' . DI::l10n()->t('Enable Libertree Post Addon') . '</label>';
  92     $s .= '<input id="libertree-checkbox" type="checkbox" name="libertree" value="1" ' . $checked . '/>';
  93     $s .= '</div><div class="clear"></div>';
  94
  95     $s .= '<div id="libertree-api_token-wrapper">';
  96     $s .= '<label id="libertree-api_token-label" for="libertree-api_token">' . DI::l10n()->t('Libertree API token') . '</label>';
  97     $s .= '<input id="libertree-api_token" type="text" name="libertree_api_token" value="' . $ltree_api_token . '" />';
  98     $s .= '</div><div class="clear"></div>';
  99
 100     $s .= '<div id="libertree-url-wrapper">';
 101     $s .= '<label id="libertree-url-label" for="libertree-url">' . DI::l10n()->t('Libertree site URL') . '</label>';
 102     $s .= '<input id="libertree-url" type="text" name="libertree_url" value="' . $ltree_url . '" />';
 103     $s .= '</div><div class="clear"></div>';
 104
 105     $s .= '<div id="libertree-bydefault-wrapper">';
 106     $s .= '<label id="libertree-bydefault-label" for="libertree-bydefault">' . DI::l10n()->t('Post to Libertree by default') . '</label>';
 107     $s .= '<input id="libertree-bydefault" type="checkbox" name="libertree_bydefault" value="1" ' . $def_checked . '/>';
 108     $s .= '</div><div class="clear"></div>';
 109
 110     /* provide a submit button */
 111
 112     $s .= '<div class="settings-submit-wrapper" ><input type="submit" id="libertree-submit" name="libertree-submit" class="settings-submit" value="' . DI::l10n()->t('Save Settings') . '" /></div></div>';
 113
 114 }
 115
 116
 117 function libertree_settings_post(&$a,&$b) {
 118
 119         if(!empty($_POST['libertree-submit'])) {
 120
 121                 DI::pConfig()->set(local_user(),'libertree','post',intval($_POST['libertree']));
 122                 DI::pConfig()->set(local_user(),'libertree','post_by_default',intval($_POST['libertree_bydefault']));
 123                 DI::pConfig()->set(local_user(),'libertree','libertree_api_token',trim($_POST['libertree_api_token']));
 124                 DI::pConfig()->set(local_user(),'libertree','libertree_url',trim($_POST['libertree_url']));
 125
 126         }
 127
 128 }
 129
 130 function libertree_hook_fork(App &$a, array &$b)
 131 {
 132         if ($b['name'] != 'notifier_normal') {
 133                 return;
 134         }
 135
 136         $post = $b['data'];
 137
 138         if ($post['deleted'] || $post['private'] || ($post['created'] !== $post['edited']) ||
 139                 !strstr($post['postopts'], 'libertree') || ($post['parent'] != $post['id'])) {
 140                 $b['execute'] = false;
 141                 return;
 142         }
 143 }
 144
 145 function libertree_post_local(&$a,&$b) {
 146
 147         // This can probably be changed to allow editing by pointing to a different API endpoint
 148
 149         if ($b['edit']) {
 150                 return;
 151         }
 152
 153         if ((! local_user()) || (local_user() != $b['uid'])) {
 154                 return;
 155         }
 156
 157         if ($b['private'] || $b['parent']) {
 158                 return;
 159         }
 160
 161         $ltree_post   = intval(DI::pConfig()->get(local_user(),'libertree','post'));
 162
 163         $ltree_enable = (($ltree_post && !empty($_REQUEST['libertree_enable'])) ? intval($_REQUEST['libertree_enable']) : 0);
 164
 165         if ($b['api_source'] && intval(DI::pConfig()->get(local_user(),'libertree','post_by_default'))) {
 166                 $ltree_enable = 1;
 167         }
 168
 169         if (!$ltree_enable) {
 170                 return;
 171         }
 172
 173         if (strlen($b['postopts'])) {
 174                 $b['postopts'] .= ',';
 175         }
 176
 177         $b['postopts'] .= 'libertree';
 178 }
 179
 180
 181
 182
 183 function libertree_send(&$a,&$b) {
 184
 185         Logger::log('libertree_send: invoked');
 186
 187         if ($b['deleted'] || $b['private'] || ($b['created'] !== $b['edited'])) {
 188                 return;
 189         }
 190
 191         if (! strstr($b['postopts'],'libertree')) {
 192                 return;
 193         }
 194
 195         if ($b['parent'] != $b['id']) {
 196                 return;
 197         }
 198
 199         // Dont't post if the post doesn't belong to us.
 200         // This is a check for forum postings
 201         $self = DBA::selectFirst('contact', ['id'], ['uid' => $b['uid'], 'self' => true]);
 202         if ($b['contact-id'] != $self['id']) {
 203                 return;
 204         }
 205
 206         $ltree_api_token = DI::pConfig()->get($b['uid'],'libertree','libertree_api_token');
 207         $ltree_url = DI::pConfig()->get($b['uid'],'libertree','libertree_url');
 208         $ltree_blog = "$ltree_url/api/v1/posts/create/?token=$ltree_api_token";
 209         $ltree_source = DI::baseUrl()->getHostname();
 210
 211         if ($b['app'] != "")
 212                 $ltree_source .= " (".$b['app'].")";
 213
 214         if($ltree_url && $ltree_api_token && $ltree_blog && $ltree_source) {
 215                 $tag_arr = [];
 216                 $tags = '';
 217                 $x = preg_match_all('/\#\[(.*?)\](.*?)\[/',$b['tag'],$matches,PREG_SET_ORDER);
 218
 219                 if($x) {
 220                         foreach($matches as $mtch) {
 221                                 $tag_arr[] = $mtch[2];
 222                         }
 223                 }
 224                 if(count($tag_arr))
 225                         $tags = implode(',',$tag_arr);
 226
 227                 $title = $b['title'];
 228                 $body = $b['body'];
 229                 // Insert a newline before and after a quote
 230                 $body = str_ireplace("[quote", "\n\n[quote", $body);
 231                 $body = str_ireplace("[/quote]", "[/quote]\n\n", $body);
 232
 233                 // Removal of tags and mentions
 234                 // #-tags
 235                 $body = preg_replace('/#\[url\=(\w+.*?)\](\w+.*?)\[\/url\]/i', '#$2', $body);
 236                 // @-mentions
 237                 $body = preg_replace('/@\[url\=(\w+.*?)\](\w+.*?)\[\/url\]/i', '@$2', $body);
 238
 239                 // remove multiple newlines
 240                 do {
 241                         $oldbody = $body;
 242                         $body = str_replace("\n\n\n", "\n\n", $body);
 243                 } while ($oldbody != $body);
 244
 245                 // convert to markdown
 246                 $body = BBCode::toMarkdown($body, false);
 247
 248                 // Adding the title
 249                 if(strlen($title))
 250                         $body = "## ".html_entity_decode($title)."\n\n".$body;
 251
 252
 253                 $params = [
 254                         'text' => $body,
 255                         'source' => $ltree_source
 256                 //      'token' => $ltree_api_token
 257                 ];
 258
 259                 $result = Network::post($ltree_blog, $params)->getBody();
 260                 Logger::log('libertree: ' . $result);
 261         }
 262 }