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<?php
IncludeModuleLangFile(__FILE__);
$GLOBALS["BLOG_TRACKBACK"] = Array();
class CAllBlogTrackback
{
/*************** ADD, UPDATE, DELETE *****************/
public static function CheckFields($ACTION, &$arFields, $ID = 0)
{
global $DB;
if ((is_set($arFields, "BLOG_ID") || $ACTION=="ADD") && intval($arFields["BLOG_ID"]) <= 0)
{
$GLOBALS["APPLICATION"]->ThrowException(GetMessage("BLG_GT_EMPTY_BLOG_ID"), "EMPTY_BLOG_ID");
return false;
}
elseif (is_set($arFields, "BLOG_ID"))
{
$arResult = CBlog::GetByID($arFields["BLOG_ID"]);
if (!$arResult)
{
$GLOBALS["APPLICATION"]->ThrowException(str_replace("#ID#", $arFields["BLOG_ID"], GetMessage("BLG_GT_ERROR_NO_BLOG")), "ERROR_NO_BLOG");
return false;
}
}
if ((is_set($arFields, "POST_ID") || $ACTION=="ADD") && intval($arFields["POST_ID"]) <= 0)
{
$GLOBALS["APPLICATION"]->ThrowException(GetMessage("BLG_GT_EMPTY_POST_ID"), "EMPTY_POST_ID");
return false;
}
elseif (is_set($arFields, "POST_ID"))
{
$arResult = CBlogPost::GetByID($arFields["POST_ID"]);
if (!$arResult)
{
$GLOBALS["APPLICATION"]->ThrowException(str_replace("#ID#", $arFields["POST_ID"], GetMessage("BLG_GT_ERROR_NO_POST")), "ERROR_NO_POST");
return false;
}
}
if (is_set($arFields, "POST_DATE") && (!$DB->IsDate($arFields["POST_DATE"], false, LANG, "FULL")))
{
$GLOBALS["APPLICATION"]->ThrowException(GetMessage("BLG_GT_ERROR_POST_DATE"), "ERROR_POST_DATE");
return false;
}
if ((is_set($arFields, "TITLE") || $ACTION=="ADD") && $arFields["TITLE"] == '')
{
$GLOBALS["APPLICATION"]->ThrowException(GetMessage("BLG_GT_EMPTY_TITLE"), "EMPTY_TITLE");
return false;
}
if ((is_set($arFields, "URL") || $ACTION=="ADD") && $arFields["URL"] == '')
{
$GLOBALS["APPLICATION"]->ThrowException(GetMessage("BLG_GT_EMPTY_URL"), "EMPTY_URL");
return false;
}
return True;
}
public static function Delete($ID)
{
global $DB;
$ID = intval($ID);
$arTrackback = CBlogTrackback::GetByID($ID);
if ($arTrackback)
CBlogPost::Update($arTrackback["POST_ID"], array("=NUM_TRACKBACKS" => "NUM_TRACKBACKS - 1"));
unset($GLOBALS["BLOG_TRACKBACK"]["BLOG_TRACKBACK_CACHE_".$ID]);
return $DB->Query("DELETE FROM b_blog_trackback WHERE ID = ".$ID."", true);
}
//*************** SELECT *********************/
public static function GetByID($ID)
{
global $DB;
$ID = intval($ID);
if (isset($GLOBALS["BLOG_TRACKBACK"]["BLOG_TRACKBACK_CACHE_".$ID]) && is_array($GLOBALS["BLOG_TRACKBACK"]["BLOG_TRACKBACK_CACHE_".$ID]) && is_set($GLOBALS["BLOG_TRACKBACK"]["BLOG_TRACKBACK_CACHE_".$ID], "ID"))
{
return $GLOBALS["BLOG_TRACKBACK"]["BLOG_TRACKBACK_CACHE_".$ID];
}
else
{
$strSql =
"SELECT T.ID, T.TITLE, T.URL, T.PREVIEW_TEXT, T.BLOG_NAME, T.BLOG_ID, T.POST_ID, ".
" ".$DB->DateToCharFunction("T.POST_DATE", "FULL")." as POST_DATE ".
"FROM b_blog_trackback T ".
"WHERE T.ID = ".$ID."";
$dbResult = $DB->Query($strSql, False, "File: ".__FILE__."<br>Line: ".__LINE__);
if ($arResult = $dbResult->Fetch())
{
$GLOBALS["BLOG_TRACKBACK"]["BLOG_TRACKBACK_CACHE_".$ID] = $arResult;
return $arResult;
}
}
return False;
}
//*************** SEND / RECEIVE PINGS *********************/
public static function SendPing($postID, $arPingUrls = array())
{
$postID = intval($postID);
if (count($arPingUrls) <= 0)
return False;
$arPost = CBlogPost::GetByID($postID);
if ($arPost)
{
$arBlog = CBlog::GetByID($arPost["BLOG_ID"]);
$arGroup = CBlogGroup::GetByID($arBlog["GROUP_ID"]);
$title = urlencode($arPost["TITLE"]);
$excerpt = urlencode(mb_substr($arPost["DETAIL_TEXT"], 0, 255));
$blogName = urlencode($arBlog["NAME"]);
$serverName = "";
$charset = "";
$dbSite = CSite::GetList("sort", "asc", array("LID" => $arGroup["SITE_ID"]));
if ($arSite = $dbSite->Fetch())
{
$serverName = $arSite["SERVER_NAME"];
$charset = $arSite["CHARSET"];
}
if ($serverName == '')
{
if (defined("SITE_SERVER_NAME") && SITE_SERVER_NAME <> '')
$serverName = SITE_SERVER_NAME;
else
$serverName = COption::GetOptionString("main", "server_name", "");
}
$serverName = \Bitrix\Main\Text\HtmlFilter::encode($serverName);
if ($charset == '')
{
if (defined("SITE_CHARSET") && SITE_CHARSET <> '')
$charset = SITE_CHARSET;
else
$charset = "windows-1251";
}
$url = urlencode("http://".$serverName.CBlogPost::PreparePath($arBlog["URL"], $postID, $arGroup["SITE_ID"]));
foreach($arPingUrls as $pingUrl)
{
$pingUrl = str_replace("http://", "", $pingUrl);
$pingUrl = str_replace("https://", "", $pingUrl);
$arPingUrl = explode("/", $pingUrl);
$host = trim($arPingUrl[0]);
unset($arPingUrl[0]);
$path = "/".trim(implode("/", $arPingUrl));
$arHost = explode(":", $host);
$port = ((count($arHost) > 1) ? $arHost[1] : 80);
$host = $arHost[0];
if (!empty($path) && !empty($host))
{
$query = "title=".$title."&url=".$url."&excerpt=".$excerpt."&blog_name=".$blogName;
$fp = @fsockopen($host, $port, $errnum, $errstr, 30);
if ($fp)
{
fputs($fp, "POST {$path} HTTP/1.1\r\n");
fputs($fp, "Host: {$host}\r\n");
fputs($fp, "Content-type: application/x-www-form-urlencoded; charset=\"".$charset."\"\r\n");
fputs($fp, "User-Agent: bitrixBlog\r\n");
fputs($fp, "Content-length: ".mb_strlen($query)."\r\n");
fputs($fp, "Connection: close\r\n\r\n");
fputs($fp, $query."\r\n\r\n");
fclose($fp);
}
}
}
}
}
public static function GetPing($blogUrl, $postID, $arParams = array())
{
global $DB;
$blogUrl = Trim($blogUrl);
$postID = intval($postID);
$bSuccess = True;
$arPost = CBlogPost::GetByID($postID);
if (!$arPost)
{
CBlogTrackback::SendPingResponce(1, "Invalid target post");
$bSuccess = False;
}
if ($bSuccess)
{
if ($arPost["ENABLE_TRACKBACK"] != "Y" || COption::GetOptionString("blog","enable_trackback", "Y") != "Y")
{
CBlogTrackback::SendPingResponce(1, "Trackbacks disabled");
$bSuccess = False;
}
}
if ($bSuccess)
{
$arBlog = CBlog::GetByID($arPost["BLOG_ID"]);
if (!$arBlog || $arBlog["URL"] != $blogUrl)
{
CBlogTrackback::SendPingResponce(1, "Invalid target blog");
$bSuccess = False;
}
}
if ($bSuccess)
{
if (!isset($arParams["title"]) || $arParams["title"] == ''
|| !isset($arParams["url"]) || $arParams["url"] == '')
{
CBlogTrackback::SendPingResponce(1, "Missing required fields");
$bSuccess = False;
}
}
if ($bSuccess)
{
if (!isset($arParams["excerpt"]))
$arParams["excerpt"] = $arParams["title"];
if (!isset($arParams["blog_name"]))
$arParams["blog_name"] = "";
}
if ($bSuccess)
{
$serverCharset = "";
$arGroup = CBlogGroup::GetByID($arBlog["GROUP_ID"]);
$dbSite = CSite::GetList("sort", "asc", array("LID" => $arGroup["SITE_ID"]));
if ($arSite = $dbSite->Fetch())
$serverCharset = $arSite["CHARSET"];
if ($serverCharset == '')
{
if (defined("SITE_CHARSET") && SITE_CHARSET <> '')
$serverCharset = SITE_CHARSET;
else
$serverCharset = "windows-1251";
}
preg_match("/charset=(\")*(.*?)(\")*(;|$)/", $_SERVER["CONTENT_TYPE"], $charset);
$charset = preg_replace("#[^[:space:]a-zA-Z0-9\-]#is", "", $charset[2]);
if($charset == '') $charset = "utf-8";
if ($charset != $serverCharset)
{
$arParams["title"] = $GLOBALS["APPLICATION"]->ConvertCharset($arParams["title"], $charset, $serverCharset);
$arParams["url"] = $GLOBALS["APPLICATION"]->ConvertCharset($arParams["url"], $charset, $serverCharset);
$arParams["excerpt"] = $GLOBALS["APPLICATION"]->ConvertCharset($arParams["excerpt"], $charset, $serverCharset);
$arParams["blog_name"] = $GLOBALS["APPLICATION"]->ConvertCharset($arParams["blog_name"], $charset, $serverCharset);
}
$arFields = array(
"TITLE" => $arParams["title"],
"URL" => $arParams["url"],
"PREVIEW_TEXT" => $arParams["excerpt"],
"BLOG_NAME" => $arParams["blog_name"],
"=POST_DATE" => $DB->CurrentTimeFunction(),
"BLOG_ID" => $arPost["BLOG_ID"],
"POST_ID" => $arPost["ID"]
);
$dbTrackback = CBlogTrackback::GetList(array(), array("BLOG_ID" => $arPost["BLOG_ID"], "POST_ID" => $arPost["ID"], "URL" => $arParams["url"]));
if ($arTrackback = $dbTrackback->Fetch())
{
if (!CBlogTrackback::Update($arTrackback["ID"], $arFields))
{
if ($ex = $GLOBALS["APPLICATION"]->GetException())
$errorMessage = $ex->GetString().".<br>";
else
$errorMessage = "Unknown error".".<br>";
CBlogTrackback::SendPingResponce(1, $errorMessage);
}
}
else
{
if (!CBlogTrackback::Add($arFields))
{
if ($ex = $GLOBALS["APPLICATION"]->GetException())
$errorMessage = $ex->GetString().".<br>";
else
$errorMessage = "Unknown error".".<br>";
CBlogTrackback::SendPingResponce(1, $errorMessage);
}
}
CBlogTrackback::SendPingResponce(0, "Ping accepted");
}
return $bSuccess;
}
public static function SendPingResponce($error = 0, $text = "")
{
header("Content-type: text/xml; charset=".LANG_CHARSET);
echo "<"."?xml version=\"1.0\" encoding=\"".SITE_CHARSET."\"?".">\n";
echo "<response>\n";
echo "<error>".htmlspecialcharsbx($error)."</error>\n";
echo "<message>".htmlspecialcharsbx($text)."</message>\n";
echo "</response>";
}
}