gpluspost/gpluspost.php

   1 <?php
   2
   3 /**
   4  * Name: G+ Post
   5  * Description: Posts to a Google+ page with the help of Hootsuite
   6  * Version: 0.1
   7  * Author: Michael Vogel <https://pirati.ca/profile/heluecht>
   8  */
   9
  10 function gpluspost_install() {
  11         register_hook('post_local',           'addon/gpluspost/gpluspost.php', 'gpluspost_post_local');
  12         register_hook('notifier_normal',      'addon/gpluspost/gpluspost.php', 'gpluspost_send');
  13         register_hook('jot_networks',         'addon/gpluspost/gpluspost.php', 'gpluspost_jot_nets');
  14         register_hook('connector_settings',      'addon/gpluspost/gpluspost.php', 'gpluspost_settings');
  15         register_hook('connector_settings_post', 'addon/gpluspost/gpluspost.php', 'gpluspost_settings_post');
  16 }
  17
  18
  19 function gpluspost_uninstall() {
  20         unregister_hook('post_local',       'addon/gpluspost/gpluspost.php', 'gpluspost_post_local');
  21         unregister_hook('notifier_normal',  'addon/gpluspost/gpluspost.php', 'gpluspost_send');
  22         unregister_hook('jot_networks',     'addon/gpluspost/gpluspost.php', 'gpluspost_jot_nets');
  23         unregister_hook('connector_settings',      'addon/gpluspost/gpluspost.php', 'gpluspost_settings');
  24         unregister_hook('connector_settings_post', 'addon/gpluspost/gpluspost.php', 'gpluspost_settings_post');
  25 }
  26
  27 function gpluspost_jot_nets(&$a,&$b) {
  28         if(! local_user())
  29                 return;
  30
  31         $post = get_pconfig(local_user(),'gpluspost','post');
  32         if(intval($post) == 1) {
  33                 $defpost = get_pconfig(local_user(),'gpluspost','post_by_default');
  34                 $selected = ((intval($defpost) == 1) ? ' checked="checked" ' : '');
  35                 $b .= '<div class="profile-jot-net"><input type="checkbox" name="gpluspost_enable"' . $selected . ' value="1" /> '
  36                         . t('Post to Google+') . '</div>';
  37     }
  38 }
  39
  40 function gpluspost_settings(&$a,&$s) {
  41
  42         if(! local_user())
  43                 return;
  44
  45         $enabled = get_pconfig(local_user(),'gpluspost','post');
  46         $checked = (($enabled) ? ' checked="checked" ' : '');
  47
  48         $def_enabled = get_pconfig(local_user(),'gpluspost','post_by_default');
  49         $def_checked = (($def_enabled) ? ' checked="checked" ' : '');
  50
  51         $noloop_enabled = get_pconfig(local_user(),'gpluspost','no_loop_prevention');
  52         $noloop_checked = (($noloop_enabled) ? ' checked="checked" ' : '');
  53
  54         $skip_enabled = get_pconfig(local_user(),'gpluspost','skip_without_link');
  55         $skip_checked = (($skip_enabled) ? ' checked="checked" ' : '');
  56
  57         $s .= '<div class="settings-block">';
  58         $s .= '<h3>' . t('Google+ Post Settings') . '</h3>';
  59         $s .= '<div id="gpluspost-enable-wrapper">';
  60         $s .= '<label id="gpluspost-enable-label" for="gpluspost-checkbox">' . t('Enable Google+ Post Plugin') . '</label>';
  61         $s .= '<input id="gpluspost-checkbox" type="checkbox" name="gpluspost" value="1" ' . $checked . '/>';
  62         $s .= '</div><div class="clear"></div>';
  63
  64         $s .= '<div id="gpluspost-bydefault-wrapper">';
  65         $s .= '<label id="gpluspost-bydefault-label" for="gpluspost-bydefault">' . t('Post to Google+ by default') . '</label>';
  66         $s .= '<input id="gpluspost-bydefault" type="checkbox" name="gpluspost_bydefault" value="1" ' . $def_checked . '/>';
  67         $s .= '</div><div class="clear"></div>';
  68
  69         $s .= '<div id="gpluspost-noloopprevention-wrapper">';
  70         $s .= '<label id="gpluspost-noloopprevention-label" for="gpluspost-noloopprevention">' . t('Do not prevent posting loops') . '</label>';
  71         $s .= '<input id="gpluspost-noloopprevention" type="checkbox" name="gpluspost_noloopprevention" value="1" ' . $noloop_checked . '/>';
  72         $s .= '</div><div class="clear"></div>';
  73
  74         $s .= '<div id="gpluspost-skipwithoutlink-wrapper">';
  75         $s .= '<label id="gpluspost-skipwithoutlink-label" for="gpluspost-skipwithoutlink">' . t('Skip messages without links') . '</label>';
  76         $s .= '<input id="gpluspost-skipwithoutlink" type="checkbox" name="gpluspost_skipwithoutlink" value="1" ' . $skip_checked . '/>';
  77         $s .= '</div><div class="clear"></div>';
  78
  79         /* provide a submit button */
  80
  81         $s .= '<div class="settings-submit-wrapper" ><input type="submit" id="gpluspost-submit" name="gpluspost-submit" class="settings-submit" value="' . t('Submit') . '" /></div>';
  82         $s .= 'Register an account at <a href="https://hootsuite.com">Hootsuite</a>, add your G+ page and add the feed-url there.<br />';
  83         $s .= 'Feed-url: '.$a->get_baseurl().'/gpluspost/'.urlencode($a->user["nickname"]).'</div>';
  84 }
  85
  86 function gpluspost_settings_post(&$a,&$b) {
  87
  88         if(x($_POST,'gpluspost-submit')) {
  89                 set_pconfig(local_user(),'gpluspost','post',intval($_POST['gpluspost']));
  90                 set_pconfig(local_user(),'gpluspost','post_by_default',intval($_POST['gpluspost_bydefault']));
  91                 set_pconfig(local_user(),'gpluspost','no_loop_prevention',intval($_POST['gpluspost_noloopprevention']));
  92                 set_pconfig(local_user(),'gpluspost','skip_without_link',intval($_POST['gpluspost_skipwithoutlink']));
  93         }
  94 }
  95
  96 function gpluspost_post_local(&$a,&$b) {
  97
  98         if($b['edit'])
  99                 return;
 100
 101         if((! local_user()) || (local_user() != $b['uid']))
 102                 return;
 103
 104         if($b['private'] || $b['parent'])
 105                 return;
 106
 107         $post   = intval(get_pconfig(local_user(),'gpluspost','post'));
 108
 109         $enable = (($post && x($_REQUEST,'gpluspost_enable')) ? intval($_REQUEST['gpluspost_enable']) : 0);
 110
 111         if($_REQUEST['api_source'] && intval(get_pconfig(local_user(),'gpluspost','post_by_default')))
 112                 $enable = 1;
 113
 114         if(!$enable)
 115                 return;
 116
 117         if(strlen($b['postopts']))
 118                 $b['postopts'] .= ',';
 119
 120         $b['postopts'] .= 'gplus';
 121 }
 122
 123 function gpluspost_send(&$a,&$b) {
 124
 125         logger('gpluspost_send: invoked for post '.$b['id']." ".$b['app']);
 126
 127         if($b['deleted'] || $b['private'] || ($b['created'] !== $b['edited']))
 128                 return;
 129
 130         if(! strstr($b['postopts'],'gplus'))
 131                 return;
 132
 133         if($b['parent'] != $b['id'])
 134                 return;
 135
 136         // if post comes from Google+ don't send it back
 137         if (!get_pconfig($b["uid"],'gpluspost','no_loop_prevention') and ($b['app'] == "Google+"))
 138                 return;
 139
 140         $itemlist = get_pconfig($b["uid"],'gpluspost','itemlist');
 141         $items = explode(",", $itemlist);
 142
 143         $i = 0;
 144         $newitems = array($b['id']);
 145         foreach ($items AS $item)
 146                 if ($i++ < 9)
 147                         $newitems[] = $item;
 148
 149         $itemlist = implode(",", $newitems);
 150
 151         logger('gpluspost_send: new itemlist: '.$itemlist." for uid ".$b["uid"]);
 152
 153         set_pconfig($b["uid"],'gpluspost','itemlist', $itemlist);
 154 }
 155
 156 function gpluspost_module() {}
 157
 158 function gpluspost_init() {
 159         global $a, $_SERVER;
 160
 161         $uid = 0;
 162
 163         if (isset($a->argv[1])) {
 164                 $uid = (int)$a->argv[1];
 165                 if ($uid == 0) {
 166                         $contacts = q("SELECT `username`, `uid` FROM `user` WHERE `nickname` = '%s' LIMIT 1", dbesc($a->argv[1]));
 167                         if ($contacts) {
 168                                 $uid = $contacts[0]["uid"];
 169                                 $nick = $a->argv[1];
 170                         }
 171                 } else {
 172                         $contacts = q("SELECT `username` FROM `user` WHERE `uid`=%d LIMIT 1", intval($uid));
 173                         $nick = $uid;
 174                 }
 175         }
 176
 177         header("content-type: application/atom+xml");
 178         echo '<?xml version="1.0" encoding="UTF-8"?>'."\n";
 179         echo '<feed xmlns="http://www.w3.org/2005/Atom" xmlns:dc="http://purl.org/dc/elements/1.1/">'."\n";
 180         echo "\t".'<title type="html"><![CDATA['.$a->config['sitename'].']]></title>'."\n";
 181         if ($uid != 0) {
 182                 echo "\t".'<subtitle type="html"><![CDATA['.$contacts[0]["username"]."]]></subtitle>\n";
 183                 echo "\t".'<link rel="self" href="'.$a->get_baseurl().'/gpluspost/'.$nick.'"/>'."\n";
 184         } else
 185                 echo "\t".'<link rel="self" href="'.$a->get_baseurl().'/gpluspost"/>'."\n";
 186         echo "\t<id>".$a->get_baseurl()."/</id>\n";
 187         echo "\t".'<link rel="alternate" type="text/html" href="'.$a->get_baseurl().'"/>'."\n";
 188         echo "\t<updated>".date("c")."</updated>\n"; // To-Do
 189         // <rights>Copyright ... </rights>
 190         echo "\t".'<generator uri="'.$a->get_baseurl().'">'.$a->config['sitename'].'</generator>'."\n";
 191
 192         if ($uid != 0) {
 193                 $itemlist = get_pconfig($uid,'gpluspost','itemlist');
 194                 $items = explode(",", $itemlist);
 195
 196                 foreach ($items AS $item)
 197                         gpluspost_feeditem($item, $uid);
 198         } else {
 199                 $items = q("SELECT `id` FROM `item` FORCE INDEX (`received`) WHERE `item`.`visible` = 1 AND `item`.`deleted` = 0 and `item`.`moderated` = 0 AND `item`.`allow_cid` = ''  AND `item`.`allow_gid` = '' AND `item`.`deny_cid`  = '' AND `item`.`deny_gid`  = '' AND `item`.`private` = 0 AND `item`.`wall` = 1 AND `item`.`id` = `item`.`parent` ORDER BY `received` DESC LIMIT 10");
 200                 foreach ($items AS $item)
 201                         gpluspost_feeditem($item["id"], $uid);
 202         }
 203         echo "</feed>\n";
 204         killme();
 205 }
 206
 207 function gpluspost_original_url($url, $depth=1) {
 208
 209         if ($depth > 10)
 210                 return($url);
 211
 212         $siteinfo = array();
 213         $ch = curl_init();
 214         curl_setopt($ch, CURLOPT_URL, $url);
 215         curl_setopt($ch, CURLOPT_HEADER, 1);
 216         curl_setopt($ch, CURLOPT_NOBODY, 0);
 217         curl_setopt($ch, CURLOPT_TIMEOUT, 3);
 218         curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
 219         curl_setopt($ch,CURLOPT_USERAGENT,'Opera/9.64(Windows NT 5.1; U; de) Presto/2.1.1');
 220
 221         $header = curl_exec($ch);
 222         $curl_info = @curl_getinfo($ch);
 223         $http_code = $curl_info['http_code'];
 224         curl_close($ch);
 225
 226         if ((($curl_info['http_code'] == "301") OR ($curl_info['http_code'] == "302"))
 227                 AND (($curl_info['redirect_url'] != "") OR ($curl_info['location'] != ""))) {
 228                 if ($curl_info['redirect_url'] != "")
 229                         return(gpluspost_original_url($curl_info['redirect_url'], ++$depth));
 230                 else
 231                         return(gpluspost_original_url($curl_info['location'], ++$depth));
 232         }
 233
 234         $pos = strpos($header, "\r\n\r\n");
 235
 236         if ($pos)
 237                 $body = trim(substr($header, $pos));
 238         else
 239                 $body = $header;
 240
 241         $doc = new DOMDocument();
 242         @$doc->loadHTML($body);
 243
 244         $xpath = new DomXPath($doc);
 245
 246         $list = $xpath->query("//meta[@content]");
 247         foreach ($list as $node) {
 248                 $attr = array();
 249                 if ($node->attributes->length)
 250                         foreach ($node->attributes as $attribute)
 251                                 $attr[$attribute->name] = $attribute->value;
 252
 253                 if (@$attr["http-equiv"] == 'refresh') {
 254                         $path = $attr["content"];
 255                         $pathinfo = explode(";", $path);
 256                         $content = "";
 257                         foreach ($pathinfo AS $value)
 258                                 if (substr(strtolower($value), 0, 4) == "url=")
 259                                         return(gpluspost_original_url(substr($value, 4), ++$depth));
 260                 }
 261         }
 262
 263         return($url);
 264 }
 265
 266 function gpluspost_ShareAttributes($match) {
 267
 268         $attributes = $match[1];
 269
 270         $author = "";
 271         preg_match("/author='(.*?)'/ism", $attributes, $matches);
 272         if ($matches[1] != "")
 273                 $author = $matches[1];
 274
 275         preg_match('/author="(.*?)"/ism', $attributes, $matches);
 276         if ($matches[1] != "")
 277                 $author = $matches[1];
 278
 279         $headline = '<div class="shared_header">';
 280
 281         $headline .= sprintf(t('%s:'), $author);
 282
 283         $headline .= "</div>";
 284
 285         //$text = "<br />".$headline."</strong><blockquote>".$match[2]."</blockquote>";
 286         //$text = "\n\t".$match[2].":\t";
 287         $text = html_entity_decode("&#x2672; ", ENT_QUOTES, 'UTF-8').$author.": ".$match[2];
 288
 289         return($text);
 290 }
 291
 292 function gpluspost_feeditem($pid, $uid) {
 293         global $a;
 294
 295         require_once('include/bbcode.php');
 296         require_once("include/html2plain.php");
 297
 298         $skipwithoutlink = get_pconfig($uid,'gpluspost','skip_without_link');
 299
 300         $items = q("SELECT `uri`, `plink`, `author-link`, `author-name`, `created`, `edited`, `id`, `title`, `body` from `item` WHERE id=%d", intval($pid));
 301         foreach ($items AS $item) {
 302
 303                 // Looking for the first image
 304                 $image = '';
 305                 if(preg_match("/\[img\=([0-9]*)x([0-9]*)\](.*?)\[\/img\]/is",$item['body'],$matches))
 306                         $image = $matches[3];
 307
 308                 if ($image == '')
 309                         if(preg_match("/\[img\](.*?)\[\/img\]/is",$item['body'],$matches))
 310                                 $image = $matches[1];
 311
 312                 $multipleimages = (strpos($item['body'], "[img") != strrpos($item['body'], "[img"));
 313
 314                 // When saved into the database the content is sent through htmlspecialchars
 315                 // That means that we have to decode all image-urls
 316                 $image = htmlspecialchars_decode($image);
 317
 318                 $link = '';
 319                 // look for bookmark-bbcode and handle it with priority
 320                 if(preg_match("/\[bookmark\=([^\]]*)\](.*?)\[\/bookmark\]/is",$item['body'],$matches))
 321                         $link = $matches[1];
 322
 323                 $multiplelinks = (strpos($item['body'], "[bookmark") != strrpos($item['body'], "[bookmark"));
 324
 325                 $body = $item['body'];
 326                 $body = preg_replace_callback("/\[share(.*?)\]\s?(.*?)\s?\[\/share\]/ism","gpluspost_ShareAttributes", $body);
 327
 328                 $html = bbcode($body, false, false);
 329                 $msg = trim(html2plain($html, 0, true));
 330
 331                 // If there is no bookmark element then take the first link
 332                 if ($link == '') {
 333                         $links = collecturls($html);
 334                         if (sizeof($links) > 0) {
 335                                 reset($links);
 336                                 $link = current($links);
 337                         }
 338                         $multiplelinks = (sizeof($links) > 1);
 339
 340                         if ($multiplelinks) {
 341                                 $html2 = bbcode($msg, false, false);
 342                                 $links2 = collecturls($html2);
 343                                 if (sizeof($links2) > 0) {
 344                                         reset($links2);
 345                                         $link = current($links2);
 346                                         $multiplelinks = (sizeof($links2) > 1);
 347                                 }
 348                         }
 349                 }
 350
 351                 $msglink = "";
 352                 if ($multiplelinks)
 353                         $msglink = $item["plink"];
 354                 else if ($link != "")
 355                         $msglink = $link;
 356                 else if ($multipleimages)
 357                         $msglink = $item["plink"];
 358                 else if ($image != "")
 359                         $msglink = $image;
 360
 361                 if (($msglink == "") AND $skipwithoutlink)
 362                         continue;
 363                 else if ($msglink == "")
 364                         $msglink = $item["plink"];
 365
 366                 // Fetching the title - or the first line
 367                 if ($item["title"] != "")
 368                         $title = $item["title"];
 369                 else {
 370                         $lines = explode("\n", $msg);
 371                         $title = $lines[0];
 372                 }
 373
 374                 //if ($image != $msglink)
 375                 //      $html = trim(str_replace($msglink, "", $html));
 376
 377                 $title = trim(str_replace($msglink, "", $title));
 378
 379                 $msglink = gpluspost_original_url($msglink);
 380
 381                 if ($uid == 0)
 382                         $title = $item["author-name"].": ".$title;
 383
 384                 $msglink = htmlspecialchars(html_entity_decode($msglink));
 385
 386                 $title = str_replace("&", "&amp;", $title);
 387                 //$html = str_replace("&", "&amp;", $html);
 388
 389                 echo "\t".'<entry xmlns="http://www.w3.org/2005/Atom">'."\n";
 390                 echo "\t\t".'<title type="html" xml:space="preserve"><![CDATA['.$title."]]></title>\n";
 391                 echo "\t\t".'<link rel="alternate" type="text/html" href="'.$msglink.'" />'."\n";
 392                 // <link rel="enclosure" type="audio/mpeg" length="1337" href="http://example.org/audio/ph34r_my_podcast.mp3"/>
 393                 echo "\t\t<id>".$item["uri"]."</id>\n";
 394                 echo "\t\t<updated>".date("c", strtotime($item["edited"]))."</updated>\n";
 395                 echo "\t\t<published>".date("c", strtotime($item["created"]))."</published>\n";
 396                 echo "\t\t<author>\n\t\t\t<name><![CDATA[".$item["author-name"]."]]></name>\n";
 397                 echo "\t\t\t<uri>".$item["author-link"]."</uri>\n\t\t</author>\n";
 398                 //echo '<content type="image/png" src="http://media.example.org/the_beach.png"/>';
 399                 echo "\t\t".'<content type="html" xml:space="preserve" xml:base="'.$item["plink"].'"><![CDATA['.$html."]]></content>\n";
 400                 echo "\t</entry>\n";
 401         }
 402 }