482 lines
14 KiB
PHP
482 lines
14 KiB
PHP
<?php
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/**
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* @file include/items.php
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*/
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use Friendica\Content\Feature;
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use Friendica\Core\Addon;
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use Friendica\Core\Config;
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use Friendica\Core\L10n;
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use Friendica\Core\PConfig;
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use Friendica\Core\System;
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use Friendica\Database\DBM;
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use Friendica\Model\Item;
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use Friendica\Protocol\DFRN;
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use Friendica\Protocol\Feed;
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use Friendica\Protocol\OStatus;
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use Friendica\Util\DateTimeFormat;
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use Friendica\Util\Network;
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use Friendica\Util\ParseUrl;
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use Friendica\Util\Temporal;
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require_once 'include/bbcode.php';
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require_once 'include/text.php';
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require_once 'mod/share.php';
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require_once 'include/enotify.php';
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function add_page_info_data($data, $no_photos = false) {
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Addon::callHooks('page_info_data', $data);
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// It maybe is a rich content, but if it does have everything that a link has,
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// then treat it that way
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if (($data["type"] == "rich") && is_string($data["title"]) &&
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is_string($data["text"]) && (sizeof($data["images"]) > 0)) {
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$data["type"] = "link";
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}
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if ((($data["type"] != "link") && ($data["type"] != "video") && ($data["type"] != "photo")) || ($data["title"] == $data["url"])) {
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return "";
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}
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if ($no_photos && ($data["type"] == "photo")) {
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return "";
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}
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// Escape some bad characters
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$data["url"] = str_replace(["[", "]"], ["[", "]"], htmlentities($data["url"], ENT_QUOTES, 'UTF-8', false));
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$data["title"] = str_replace(["[", "]"], ["[", "]"], htmlentities($data["title"], ENT_QUOTES, 'UTF-8', false));
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$text = "[attachment type='".$data["type"]."'";
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if ($data["text"] == "") {
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$data["text"] = $data["title"];
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}
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if ($data["text"] == "") {
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$data["text"] = $data["url"];
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}
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if ($data["url"] != "") {
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$text .= " url='".$data["url"]."'";
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}
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if ($data["title"] != "") {
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$text .= " title='".$data["title"]."'";
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}
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if (sizeof($data["images"]) > 0) {
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$preview = str_replace(["[", "]"], ["[", "]"], htmlentities($data["images"][0]["src"], ENT_QUOTES, 'UTF-8', false));
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// if the preview picture is larger than 500 pixels then show it in a larger mode
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// But only, if the picture isn't higher than large (To prevent huge posts)
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if (!Config::get('system', 'always_show_preview') && ($data["images"][0]["width"] >= 500)
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&& ($data["images"][0]["width"] >= $data["images"][0]["height"])) {
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$text .= " image='".$preview."'";
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} else {
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$text .= " preview='".$preview."'";
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}
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}
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$text .= "]".$data["text"]."[/attachment]";
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$hashtags = "";
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if (isset($data["keywords"]) && count($data["keywords"])) {
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$hashtags = "\n";
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foreach ($data["keywords"] AS $keyword) {
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/// @TODO make a positive list of allowed characters
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$hashtag = str_replace([" ", "+", "/", ".", "#", "'", "’", "`", "(", ")", "„", "“"],
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["", "", "", "", "", "", "", "", "", "", "", ""], $keyword);
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$hashtags .= "#[url=" . System::baseUrl() . "/search?tag=" . rawurlencode($hashtag) . "]" . $hashtag . "[/url] ";
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}
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}
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return "\n".$text.$hashtags;
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}
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function query_page_info($url, $photo = "", $keywords = false, $keyword_blacklist = "") {
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$data = ParseUrl::getSiteinfoCached($url, true);
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if ($photo != "") {
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$data["images"][0]["src"] = $photo;
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}
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logger('fetch page info for ' . $url . ' ' . print_r($data, true), LOGGER_DEBUG);
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if (!$keywords && isset($data["keywords"])) {
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unset($data["keywords"]);
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}
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if (($keyword_blacklist != "") && isset($data["keywords"])) {
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$list = explode(", ", $keyword_blacklist);
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foreach ($list AS $keyword) {
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$keyword = trim($keyword);
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$index = array_search($keyword, $data["keywords"]);
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if ($index !== false) {
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unset($data["keywords"][$index]);
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}
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}
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}
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return $data;
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}
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function add_page_keywords($url, $photo = "", $keywords = false, $keyword_blacklist = "") {
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$data = query_page_info($url, $photo, $keywords, $keyword_blacklist);
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$tags = "";
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if (isset($data["keywords"]) && count($data["keywords"])) {
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foreach ($data["keywords"] AS $keyword) {
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$hashtag = str_replace([" ", "+", "/", ".", "#", "'"],
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["", "", "", "", "", ""], $keyword);
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if ($tags != "") {
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$tags .= ", ";
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}
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$tags .= "#[url=" . System::baseUrl() . "/search?tag=" . rawurlencode($hashtag) . "]" . $hashtag . "[/url]";
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}
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}
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return $tags;
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}
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function add_page_info($url, $no_photos = false, $photo = "", $keywords = false, $keyword_blacklist = "") {
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$data = query_page_info($url, $photo, $keywords, $keyword_blacklist);
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$text = add_page_info_data($data, $no_photos);
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return $text;
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}
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function add_page_info_to_body($body, $texturl = false, $no_photos = false) {
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logger('add_page_info_to_body: fetch page info for body ' . $body, LOGGER_DEBUG);
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$URLSearchString = "^\[\]";
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// Fix for Mastodon where the mentions are in a different format
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$body = preg_replace("/\[url\=([$URLSearchString]*)\]([#!@])(.*?)\[\/url\]/ism",
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'$2[url=$1]$3[/url]', $body);
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// Adding these spaces is a quick hack due to my problems with regular expressions :)
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preg_match("/[^!#@]\[url\]([$URLSearchString]*)\[\/url\]/ism", " " . $body, $matches);
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if (!$matches) {
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preg_match("/[^!#@]\[url\=([$URLSearchString]*)\](.*?)\[\/url\]/ism", " " . $body, $matches);
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}
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// Convert urls without bbcode elements
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if (!$matches && $texturl) {
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preg_match("/([^\]\='".'"'."]|^)(https?\:\/\/[a-zA-Z0-9\:\/\-\?\&\;\.\=\_\~\#\%\$\!\+\,]+)/ism", " ".$body, $matches);
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// Yeah, a hack. I really hate regular expressions :)
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if ($matches) {
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$matches[1] = $matches[2];
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}
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}
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if ($matches) {
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$footer = add_page_info($matches[1], $no_photos);
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}
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// Remove the link from the body if the link is attached at the end of the post
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if (isset($footer) && (trim($footer) != "") && (strpos($footer, $matches[1]))) {
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$removedlink = trim(str_replace($matches[1], "", $body));
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if (($removedlink == "") || strstr($body, $removedlink)) {
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$body = $removedlink;
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}
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$url = str_replace(['/', '.'], ['\/', '\.'], $matches[1]);
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$removedlink = preg_replace("/\[url\=" . $url . "\](.*?)\[\/url\]/ism", '', $body);
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if (($removedlink == "") || strstr($body, $removedlink)) {
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$body = $removedlink;
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}
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}
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// Add the page information to the bottom
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if (isset($footer) && (trim($footer) != "")) {
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$body .= $footer;
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}
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return $body;
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}
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/**
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*
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* consume_feed - process atom feed and update anything/everything we might need to update
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*
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* $xml = the (atom) feed to consume - RSS isn't as fully supported but may work for simple feeds.
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*
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* $importer = the contact_record (joined to user_record) of the local user who owns this relationship.
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* It is this person's stuff that is going to be updated.
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* $contact = the person who is sending us stuff. If not set, we MAY be processing a "follow" activity
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* from an external network and MAY create an appropriate contact record. Otherwise, we MUST
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* have a contact record.
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* $hub = should we find a hub declation in the feed, pass it back to our calling process, who might (or
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* might not) try and subscribe to it.
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* $datedir sorts in reverse order
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* $pass - by default ($pass = 0) we cannot guarantee that a parent item has been
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* imported prior to its children being seen in the stream unless we are certain
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* of how the feed is arranged/ordered.
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* With $pass = 1, we only pull parent items out of the stream.
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* With $pass = 2, we only pull children (comments/likes).
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*
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* So running this twice, first with pass 1 and then with pass 2 will do the right
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* thing regardless of feed ordering. This won't be adequate in a fully-threaded
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* model where comments can have sub-threads. That would require some massive sorting
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* to get all the feed items into a mostly linear ordering, and might still require
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* recursion.
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*
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* @TODO find proper type-hints
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*/
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function consume_feed($xml, $importer, &$contact, &$hub, $datedir = 0, $pass = 0) {
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if ($contact['network'] === NETWORK_OSTATUS) {
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if ($pass < 2) {
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// Test - remove before flight
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//$tempfile = tempnam(get_temppath(), "ostatus2");
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//file_put_contents($tempfile, $xml);
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logger("Consume OStatus messages ", LOGGER_DEBUG);
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OStatus::import($xml, $importer, $contact, $hub);
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}
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return;
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}
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if ($contact['network'] === NETWORK_FEED) {
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if ($pass < 2) {
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logger("Consume feeds", LOGGER_DEBUG);
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Feed::import($xml, $importer, $contact, $hub);
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}
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return;
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}
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if ($contact['network'] === NETWORK_DFRN) {
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logger("Consume DFRN messages", LOGGER_DEBUG);
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$r = q("SELECT `contact`.*, `contact`.`uid` AS `importer_uid`,
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`contact`.`pubkey` AS `cpubkey`,
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`contact`.`prvkey` AS `cprvkey`,
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`contact`.`thumb` AS `thumb`,
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`contact`.`url` as `url`,
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`contact`.`name` as `senderName`,
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`user`.*
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FROM `contact`
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LEFT JOIN `user` ON `contact`.`uid` = `user`.`uid`
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WHERE `contact`.`id` = %d AND `user`.`uid` = %d",
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dbesc($contact["id"]), dbesc($importer["uid"])
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);
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if (DBM::is_result($r)) {
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logger("Now import the DFRN feed");
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DFRN::import($xml, $r[0], true);
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return;
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}
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}
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}
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function subscribe_to_hub($url, $importer, $contact, $hubmode = 'subscribe') {
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$a = get_app();
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if (is_array($importer)) {
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$r = q("SELECT `nickname` FROM `user` WHERE `uid` = %d LIMIT 1",
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intval($importer['uid'])
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);
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}
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/*
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* Diaspora has different message-ids in feeds than they do
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* through the direct Diaspora protocol. If we try and use
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* the feed, we'll get duplicates. So don't.
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*/
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if ((!DBM::is_result($r)) || $contact['network'] === NETWORK_DIASPORA) {
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return;
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}
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$push_url = Config::get('system','url') . '/pubsub/' . $r[0]['nickname'] . '/' . $contact['id'];
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// Use a single verify token, even if multiple hubs
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$verify_token = ((strlen($contact['hub-verify'])) ? $contact['hub-verify'] : random_string());
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$params= 'hub.mode=' . $hubmode . '&hub.callback=' . urlencode($push_url) . '&hub.topic=' . urlencode($contact['poll']) . '&hub.verify=async&hub.verify_token=' . $verify_token;
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logger('subscribe_to_hub: ' . $hubmode . ' ' . $contact['name'] . ' to hub ' . $url . ' endpoint: ' . $push_url . ' with verifier ' . $verify_token);
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if (!strlen($contact['hub-verify']) || ($contact['hub-verify'] != $verify_token)) {
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dba::update('contact', ['hub-verify' => $verify_token], ['id' => $contact['id']]);
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}
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Network::post($url, $params);
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logger('subscribe_to_hub: returns: ' . $a->get_curl_code(), LOGGER_DEBUG);
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return;
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}
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/// @TODO type-hint is array
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function drop_items($items) {
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$uid = 0;
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if (!local_user() && !remote_user()) {
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return;
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}
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if (count($items)) {
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foreach ($items as $item) {
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$owner = Item::deleteById($item);
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if ($owner && !$uid)
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$uid = $owner;
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}
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}
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}
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function drop_item($id) {
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$a = get_app();
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// locate item to be deleted
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$r = q("SELECT * FROM `item` WHERE `id` = %d LIMIT 1",
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intval($id)
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);
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if (!DBM::is_result($r)) {
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notice(L10n::t('Item not found.') . EOL);
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goaway(System::baseUrl() . '/' . $_SESSION['return_url']);
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}
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$item = $r[0];
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if ($item['deleted']) {
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return 0;
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}
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$contact_id = 0;
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// check if logged in user is either the author or owner of this item
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if (is_array($_SESSION['remote'])) {
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foreach ($_SESSION['remote'] as $visitor) {
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if ($visitor['uid'] == $item['uid'] && $visitor['cid'] == $item['contact-id']) {
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$contact_id = $visitor['cid'];
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break;
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}
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}
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}
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if ((local_user() == $item['uid']) || $contact_id) {
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// Check if we should do HTML-based delete confirmation
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if ($_REQUEST['confirm']) {
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// <form> can't take arguments in its "action" parameter
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// so add any arguments as hidden inputs
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$query = explode_querystring($a->query_string);
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$inputs = [];
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foreach ($query['args'] as $arg) {
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if (strpos($arg, 'confirm=') === false) {
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$arg_parts = explode('=', $arg);
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$inputs[] = ['name' => $arg_parts[0], 'value' => $arg_parts[1]];
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}
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}
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return replace_macros(get_markup_template('confirm.tpl'), [
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'$method' => 'get',
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'$message' => L10n::t('Do you really want to delete this item?'),
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'$extra_inputs' => $inputs,
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'$confirm' => L10n::t('Yes'),
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'$confirm_url' => $query['base'],
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'$confirm_name' => 'confirmed',
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'$cancel' => L10n::t('Cancel'),
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]);
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}
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// Now check how the user responded to the confirmation query
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if ($_REQUEST['canceled']) {
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goaway(System::baseUrl() . '/' . $_SESSION['return_url']);
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}
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// delete the item
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Item::deleteById($item['id']);
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goaway(System::baseUrl() . '/' . $_SESSION['return_url']);
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//NOTREACHED
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} else {
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notice(L10n::t('Permission denied.') . EOL);
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goaway(System::baseUrl() . '/' . $_SESSION['return_url']);
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//NOTREACHED
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}
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}
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/* arrange the list in years */
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function list_post_dates($uid, $wall) {
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$dnow = DateTimeFormat::localNow('Y-m-d');
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$dthen = Item::firstPostDate($uid, $wall);
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if (!$dthen) {
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return [];
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}
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// Set the start and end date to the beginning of the month
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$dnow = substr($dnow, 0, 8) . '01';
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$dthen = substr($dthen, 0, 8) . '01';
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$ret = [];
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/*
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* Starting with the current month, get the first and last days of every
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* month down to and including the month of the first post
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*/
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while (substr($dnow, 0, 7) >= substr($dthen, 0, 7)) {
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$dyear = intval(substr($dnow, 0, 4));
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$dstart = substr($dnow, 0, 8) . '01';
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$dend = substr($dnow, 0, 8) . Temporal::getDaysInMonth(intval($dnow), intval(substr($dnow, 5)));
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$start_month = DateTimeFormat::utc($dstart, 'Y-m-d');
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$end_month = DateTimeFormat::utc($dend, 'Y-m-d');
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$str = day_translate(DateTimeFormat::utc($dnow, 'F'));
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if (!$ret[$dyear]) {
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$ret[$dyear] = [];
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}
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$ret[$dyear][] = [$str, $end_month, $start_month];
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$dnow = DateTimeFormat::utc($dnow . ' -1 month', 'Y-m-d');
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}
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return $ret;
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}
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function posted_date_widget($url, $uid, $wall) {
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$o = '';
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if (!Feature::isEnabled($uid, 'archives')) {
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return $o;
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}
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// For former Facebook folks that left because of "timeline"
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/*
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* @TODO old-lost code?
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if ($wall && intval(PConfig::get($uid, 'system', 'no_wall_archive_widget')))
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return $o;
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*/
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$visible_years = PConfig::get($uid,'system','archive_visible_years');
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if (!$visible_years) {
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$visible_years = 5;
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}
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$ret = list_post_dates($uid, $wall);
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if (!DBM::is_result($ret)) {
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return $o;
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}
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$cutoff_year = intval(DateTimeFormat::localNow('Y')) - $visible_years;
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$cutoff = ((array_key_exists($cutoff_year, $ret))? true : false);
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$o = replace_macros(get_markup_template('posted_date_widget.tpl'),[
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'$title' => L10n::t('Archives'),
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'$size' => $visible_years,
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'$cutoff_year' => $cutoff_year,
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'$cutoff' => $cutoff,
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'$url' => $url,
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'$dates' => $ret,
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'$showmore' => L10n::t('show more')
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]);
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return $o;
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}
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