friendica-addons/gpluspost/gpluspost.php

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<?php
/**
* Name: G+ Post
* Description: Posts to a Google+ page with the help of Hootsuite
* Version: 0.1
* Author: Michael Vogel <https://pirati.ca/profile/heluecht>
*/
function gpluspost_install() {
register_hook('post_local', 'addon/gpluspost/gpluspost.php', 'gpluspost_post_local');
register_hook('notifier_normal', 'addon/gpluspost/gpluspost.php', 'gpluspost_send');
register_hook('jot_networks', 'addon/gpluspost/gpluspost.php', 'gpluspost_jot_nets');
register_hook('connector_settings', 'addon/gpluspost/gpluspost.php', 'gpluspost_settings');
register_hook('connector_settings_post', 'addon/gpluspost/gpluspost.php', 'gpluspost_settings_post');
}
function gpluspost_uninstall() {
unregister_hook('post_local', 'addon/gpluspost/gpluspost.php', 'gpluspost_post_local');
unregister_hook('notifier_normal', 'addon/gpluspost/gpluspost.php', 'gpluspost_send');
unregister_hook('jot_networks', 'addon/gpluspost/gpluspost.php', 'gpluspost_jot_nets');
unregister_hook('connector_settings', 'addon/gpluspost/gpluspost.php', 'gpluspost_settings');
unregister_hook('connector_settings_post', 'addon/gpluspost/gpluspost.php', 'gpluspost_settings_post');
}
function gpluspost_jot_nets(&$a,&$b) {
if(! local_user())
return;
$post = get_pconfig(local_user(),'gpluspost','post');
if(intval($post) == 1) {
$defpost = get_pconfig(local_user(),'gpluspost','post_by_default');
$selected = ((intval($defpost) == 1) ? ' checked="checked" ' : '');
$b .= '<div class="profile-jot-net"><input type="checkbox" name="gpluspost_enable"' . $selected . ' value="1" /> '
. t('Post to Google+') . '</div>';
}
}
function gpluspost_settings(&$a,&$s) {
if(! local_user())
return;
/* Add our stylesheet to the page so we can make our settings look nice */
$a->page['htmlhead'] .= '<link rel="stylesheet" type="text/css" href="' . $a->get_baseurl() . '/addon/gpluspost/gpluspost.css' . '" media="all" />' . "\r\n";
$enabled = get_pconfig(local_user(),'gpluspost','post');
$checked = (($enabled) ? ' checked="checked" ' : '');
$def_enabled = get_pconfig(local_user(),'gpluspost','post_by_default');
$def_checked = (($def_enabled) ? ' checked="checked" ' : '');
$noloop_enabled = get_pconfig(local_user(),'gpluspost','no_loop_prevention');
$noloop_checked = (($noloop_enabled) ? ' checked="checked" ' : '');
$skip_enabled = get_pconfig(local_user(),'gpluspost','skip_without_link');
$skip_checked = (($skip_enabled) ? ' checked="checked" ' : '');
$s .= '<div class="settings-block">';
$s .= '<h3>' . t('Google+ Post Settings') . '</h3>';
$s .= '<div id="gpluspost-enable-wrapper">';
$s .= '<label id="gpluspost-enable-label" for="gpluspost-checkbox">' . t('Enable Google+ Post Plugin') . '</label>';
$s .= '<input id="gpluspost-checkbox" type="checkbox" name="gpluspost" value="1" ' . $checked . '/>';
$s .= '</div><div class="clear"></div>';
$s .= '<div id="gpluspost-bydefault-wrapper">';
$s .= '<label id="gpluspost-bydefault-label" for="gpluspost-bydefault">' . t('Post to Google+ by default') . '</label>';
$s .= '<input id="gpluspost-bydefault" type="checkbox" name="gpluspost_bydefault" value="1" ' . $def_checked . '/>';
$s .= '</div><div class="clear"></div>';
$s .= '<div id="gpluspost-noloopprevention-wrapper">';
$s .= '<label id="gpluspost-noloopprevention-label" for="gpluspost-noloopprevention">' . t('Do not prevent posting loops') . '</label>';
$s .= '<input id="gpluspost-noloopprevention" type="checkbox" name="gpluspost_noloopprevention" value="1" ' . $noloop_checked . '/>';
$s .= '</div><div class="clear"></div>';
$s .= '<div id="gpluspost-skipwithoutlink-wrapper">';
$s .= '<label id="gpluspost-skipwithoutlink-label" for="gpluspost-skipwithoutlink">' . t('Skip messages without links') . '</label>';
$s .= '<input id="gpluspost-skipwithoutlink" type="checkbox" name="gpluspost_skipwithoutlink" value="1" ' . $skip_checked . '/>';
$s .= '</div><div class="clear"></div>';
/* provide a submit button */
$s .= '<div class="settings-submit-wrapper" ><input type="submit" id="gpluspost-submit" name="gpluspost-submit" class="settings-submit" value="' . t('Submit') . '" /></div>';
$s .= '<p>Register an account at <a href="https://hootsuite.com">Hootsuite</a>, add your G+ page and add the feed-url there.<br />';
$s .= 'Feed-url: '.$a->get_baseurl().'/gpluspost/'.urlencode($a->user["nickname"]).'</p></div>';
}
function gpluspost_settings_post(&$a,&$b) {
if(x($_POST,'gpluspost-submit')) {
set_pconfig(local_user(),'gpluspost','post',intval($_POST['gpluspost']));
set_pconfig(local_user(),'gpluspost','post_by_default',intval($_POST['gpluspost_bydefault']));
set_pconfig(local_user(),'gpluspost','no_loop_prevention',intval($_POST['gpluspost_noloopprevention']));
set_pconfig(local_user(),'gpluspost','skip_without_link',intval($_POST['gpluspost_skipwithoutlink']));
}
}
function gpluspost_post_local(&$a,&$b) {
if($b['edit'])
return;
if((! local_user()) || (local_user() != $b['uid']))
return;
if($b['private'] || $b['parent'])
return;
$post = intval(get_pconfig(local_user(),'gpluspost','post'));
$enable = (($post && x($_REQUEST,'gpluspost_enable')) ? intval($_REQUEST['gpluspost_enable']) : 0);
if($_REQUEST['api_source'] && intval(get_pconfig(local_user(),'gpluspost','post_by_default')))
$enable = 1;
if(!$enable)
return;
if(strlen($b['postopts']))
$b['postopts'] .= ',';
$b['postopts'] .= 'gplus';
}
function gpluspost_send(&$a,&$b) {
logger('gpluspost_send: invoked for post '.$b['id']." ".$b['app']);
if($b['deleted'] || $b['private'] || ($b['created'] !== $b['edited']))
return;
if(! strstr($b['postopts'],'gplus'))
return;
if($b['parent'] != $b['id'])
return;
// if post comes from Google+ don't send it back
if (!get_pconfig($b["uid"],'gpluspost','no_loop_prevention') and ($b['app'] == "Google+"))
return;
$itemlist = get_pconfig($b["uid"],'gpluspost','itemlist');
$items = explode(",", $itemlist);
$i = 0;
$newitems = array($b['id']);
foreach ($items AS $item)
if ($i++ < 9)
$newitems[] = $item;
$itemlist = implode(",", $newitems);
logger('gpluspost_send: new itemlist: '.$itemlist." for uid ".$b["uid"]);
set_pconfig($b["uid"],'gpluspost','itemlist', $itemlist);
}
function gpluspost_module() {}
function gpluspost_init() {
global $a, $_SERVER;
$uid = 0;
if (isset($a->argv[1])) {
$uid = (int)$a->argv[1];
if ($uid == 0) {
$contacts = q("SELECT `username`, `uid` FROM `user` WHERE `nickname` = '%s' LIMIT 1", dbesc($a->argv[1]));
if ($contacts) {
$uid = $contacts[0]["uid"];
$nick = $a->argv[1];
}
} else {
$contacts = q("SELECT `username` FROM `user` WHERE `uid`=%d LIMIT 1", intval($uid));
$nick = $uid;
}
}
header("content-type: application/atom+xml");
echo '<?xml version="1.0" encoding="UTF-8"?>'."\n";
echo '<feed xmlns="http://www.w3.org/2005/Atom" xmlns:dc="http://purl.org/dc/elements/1.1/">'."\n";
echo "\t".'<title type="html"><![CDATA['.$a->config['sitename'].']]></title>'."\n";
if ($uid != 0) {
echo "\t".'<subtitle type="html"><![CDATA['.$contacts[0]["username"]."]]></subtitle>\n";
echo "\t".'<link rel="self" href="'.$a->get_baseurl().'/gpluspost/'.$nick.'"/>'."\n";
} else
echo "\t".'<link rel="self" href="'.$a->get_baseurl().'/gpluspost"/>'."\n";
echo "\t<id>".$a->get_baseurl()."/</id>\n";
echo "\t".'<link rel="alternate" type="text/html" href="'.$a->get_baseurl().'"/>'."\n";
echo "\t<updated>".date("c")."</updated>\n"; // To-Do
// <rights>Copyright ... </rights>
echo "\t".'<generator uri="'.$a->get_baseurl().'">'.$a->config['sitename'].'</generator>'."\n";
if ($uid != 0) {
$itemlist = get_pconfig($uid,'gpluspost','itemlist');
$items = explode(",", $itemlist);
foreach ($items AS $item)
gpluspost_feeditem($item, $uid);
} else {
$items = q("SELECT `id` FROM `item` FORCE INDEX (`received`) WHERE `item`.`visible` = 1 AND `item`.`deleted` = 0 and `item`.`moderated` = 0 AND `item`.`allow_cid` = '' AND `item`.`allow_gid` = '' AND `item`.`deny_cid` = '' AND `item`.`deny_gid` = '' AND `item`.`private` = 0 AND `item`.`wall` = 1 AND `item`.`id` = `item`.`parent` ORDER BY `received` DESC LIMIT 10");
foreach ($items AS $item)
gpluspost_feeditem($item["id"], $uid);
}
echo "</feed>\n";
killme();
}
function gpluspost_original_url($url, $depth=1) {
if ($depth > 10)
return($url);
$siteinfo = array();
$ch = curl_init();
curl_setopt($ch, CURLOPT_URL, $url);
curl_setopt($ch, CURLOPT_HEADER, 1);
curl_setopt($ch, CURLOPT_NOBODY, 0);
curl_setopt($ch, CURLOPT_TIMEOUT, 3);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
curl_setopt($ch,CURLOPT_USERAGENT,'Opera/9.64(Windows NT 5.1; U; de) Presto/2.1.1');
$header = curl_exec($ch);
$curl_info = @curl_getinfo($ch);
$http_code = $curl_info['http_code'];
curl_close($ch);
if ((($curl_info['http_code'] == "301") OR ($curl_info['http_code'] == "302"))
AND (($curl_info['redirect_url'] != "") OR ($curl_info['location'] != ""))) {
if ($curl_info['redirect_url'] != "")
return(gpluspost_original_url($curl_info['redirect_url'], ++$depth));
else
return(gpluspost_original_url($curl_info['location'], ++$depth));
}
$pos = strpos($header, "\r\n\r\n");
if ($pos)
$body = trim(substr($header, $pos));
else
$body = $header;
$doc = new DOMDocument();
@$doc->loadHTML($body);
$xpath = new DomXPath($doc);
$list = $xpath->query("//meta[@content]");
foreach ($list as $node) {
$attr = array();
if ($node->attributes->length)
foreach ($node->attributes as $attribute)
$attr[$attribute->name] = $attribute->value;
if (@$attr["http-equiv"] == 'refresh') {
$path = $attr["content"];
$pathinfo = explode(";", $path);
$content = "";
foreach ($pathinfo AS $value)
if (substr(strtolower($value), 0, 4) == "url=")
return(gpluspost_original_url(substr($value, 4), ++$depth));
}
}
return($url);
}
function gpluspost_ShareAttributes($match) {
$attributes = $match[1];
$author = "";
preg_match("/author='(.*?)'/ism", $attributes, $matches);
if ($matches[1] != "")
$author = $matches[1];
preg_match('/author="(.*?)"/ism', $attributes, $matches);
if ($matches[1] != "")
$author = $matches[1];
$headline = '<div class="shared_header">';
$headline .= sprintf(t('%s:'), $author);
$headline .= "</div>";
//$text = "<br />".$headline."</strong><blockquote>".$match[2]."</blockquote>";
//$text = "\n\t".$match[2].":\t";
$text = html_entity_decode("&#x2672; ", ENT_QUOTES, 'UTF-8').$author.": ".$match[2];
return($text);
}
function gpluspost_feeditem($pid, $uid) {
global $a;
require_once('include/bbcode.php');
require_once("include/html2plain.php");
$skipwithoutlink = get_pconfig($uid,'gpluspost','skip_without_link');
$items = q("SELECT `uri`, `plink`, `author-link`, `author-name`, `created`, `edited`, `id`, `title`, `body` from `item` WHERE id=%d", intval($pid));
foreach ($items AS $item) {
// Looking for the first image
$image = '';
if(preg_match("/\[img\=([0-9]*)x([0-9]*)\](.*?)\[\/img\]/is",$item['body'],$matches))
$image = $matches[3];
if ($image == '')
if(preg_match("/\[img\](.*?)\[\/img\]/is",$item['body'],$matches))
$image = $matches[1];
$multipleimages = (strpos($item['body'], "[img") != strrpos($item['body'], "[img"));
// When saved into the database the content is sent through htmlspecialchars
// That means that we have to decode all image-urls
$image = htmlspecialchars_decode($image);
$link = '';
// look for bookmark-bbcode and handle it with priority
if(preg_match("/\[bookmark\=([^\]]*)\](.*?)\[\/bookmark\]/is",$item['body'],$matches))
$link = $matches[1];
$multiplelinks = (strpos($item['body'], "[bookmark") != strrpos($item['body'], "[bookmark"));
$body = $item['body'];
$body = preg_replace_callback("/\[share(.*?)\]\s?(.*?)\s?\[\/share\]/ism","gpluspost_ShareAttributes", $body);
$html = bbcode($body, false, false);
$msg = trim(html2plain($html, 0, true));
// If there is no bookmark element then take the first link
if ($link == '') {
$links = collecturls($html);
if (sizeof($links) > 0) {
reset($links);
$link = current($links);
}
$multiplelinks = (sizeof($links) > 1);
if ($multiplelinks) {
$html2 = bbcode($msg, false, false);
$links2 = collecturls($html2);
if (sizeof($links2) > 0) {
reset($links2);
$link = current($links2);
$multiplelinks = (sizeof($links2) > 1);
}
}
}
$msglink = "";
if ($multiplelinks)
$msglink = $item["plink"];
else if ($link != "")
$msglink = $link;
else if ($multipleimages)
$msglink = $item["plink"];
else if ($image != "")
$msglink = $image;
if (($msglink == "") AND $skipwithoutlink)
continue;
else if ($msglink == "")
$msglink = $item["plink"];
// Fetching the title - or the first line
if ($item["title"] != "")
$title = $item["title"];
else {
$lines = explode("\n", $msg);
$title = $lines[0];
}
//if ($image != $msglink)
// $html = trim(str_replace($msglink, "", $html));
$title = trim(str_replace($msglink, "", $title));
$msglink = gpluspost_original_url($msglink);
if ($uid == 0)
$title = $item["author-name"].": ".$title;
$msglink = htmlspecialchars(html_entity_decode($msglink));
$title = str_replace("&", "&amp;", $title);
//$html = str_replace("&", "&amp;", $html);
echo "\t".'<entry xmlns="http://www.w3.org/2005/Atom">'."\n";
echo "\t\t".'<title type="html" xml:space="preserve"><![CDATA['.$title."]]></title>\n";
echo "\t\t".'<link rel="alternate" type="text/html" href="'.$msglink.'" />'."\n";
// <link rel="enclosure" type="audio/mpeg" length="1337" href="http://example.org/audio/ph34r_my_podcast.mp3"/>
echo "\t\t<id>".$item["uri"]."</id>\n";
echo "\t\t<updated>".date("c", strtotime($item["edited"]))."</updated>\n";
echo "\t\t<published>".date("c", strtotime($item["created"]))."</published>\n";
echo "\t\t<author>\n\t\t\t<name><![CDATA[".$item["author-name"]."]]></name>\n";
echo "\t\t\t<uri>".$item["author-link"]."</uri>\n\t\t</author>\n";
//echo '<content type="image/png" src="http://media.example.org/the_beach.png"/>';
echo "\t\t".'<content type="html" xml:space="preserve" xml:base="'.$item["plink"].'"><![CDATA['.$html."]]></content>\n";
echo "\t</entry>\n";
}
}