X-Git-Url: https://git.mxchange.org/?a=blobdiff_plain;f=mod%2Fsearch.php;h=7c78339c70b1638c271f90dcef86caccfbc0bd3b;hb=d6c1889a2039033b14a88cdb031461cadabf2114;hp=339efc92db5750a075851e428424615aea91686e;hpb=a2ae4ccc9b963d21fb812cfc4c8404d3012d33a2;p=friendica.git

diff --git a/mod/search.php b/mod/search.php
index 339efc92db..7c78339c70 100644
--- a/mod/search.php
+++ b/mod/search.php
@@ -1,4 +1,8 @@
 <?php
+require_once("include/bbcode.php");
+require_once('include/security.php');
+require_once('include/conversation.php');
+require_once('mod/dirfind.php');
 
 function search_saved_searches() {
 
@@ -90,11 +94,44 @@ function search_content(&$a) {
 		return;
 	}
 
+	if(get_config('system','local_search') AND !local_user()) {
+		http_status_exit(403,
+				array("title" => t("Public access denied."),
+					"description" => t("Only logged in users are permitted to perform a search.")));
+		killme();
+		//notice(t('Public access denied.').EOL);
+		//return;
+	}
+
+	if (get_config('system','permit_crawling') AND !local_user()) {
+		// Default values:
+		// 10 requests are "free", after the 11th only a call per minute is allowed
+
+		$free_crawls = intval(get_config('system','free_crawls'));
+		if ($free_crawls == 0)
+			$free_crawls = 10;
+
+		$crawl_permit_period = intval(get_config('system','crawl_permit_period'));
+		if ($crawl_permit_period == 0)
+			$crawl_permit_period = 10;
+
+		$remote = $_SERVER["REMOTE_ADDR"];
+		$result = Cache::get("remote_search:".$remote);
+		if (!is_null($result)) {
+			$resultdata = json_decode($result);
+			if (($resultdata->time > (time() - $crawl_permit_period)) AND ($resultdata->accesses > $free_crawls)) {
+				http_status_exit(429,
+						array("title" => t("Too Many Requests"),
+							"description" => t("Only one search per minute is permitted for not logged in users.")));
+				killme();
+			}
+			Cache::set("remote_search:".$remote, json_encode(array("time" => time(), "accesses" => $resultdata->accesses + 1)), CACHE_HOUR);
+		} else
+			Cache::set("remote_search:".$remote, json_encode(array("time" => time(), "accesses" => 1)), CACHE_HOUR);
+	}
+
 	nav_set_selected('search');
 
-	require_once("include/bbcode.php");
-	require_once('include/security.php');
-	require_once('include/conversation.php');
 
 	$o = '<h3>' . t('Search') . '</h3>';
 
@@ -110,16 +147,33 @@ function search_content(&$a) {
 	}
 
 
-	$o .= search($search,'search-box','/search',((local_user()) ? true : false));
+	$o .= search($search,'search-box','/search',((local_user()) ? true : false), false);
 
 	if(strpos($search,'#') === 0) {
 		$tag = true;
 		$search = substr($search,1);
 	}
 	if(strpos($search,'@') === 0) {
-		require_once('mod/dirfind.php');
 		return dirfind_content($a);
 	}
+	if(strpos($search,'!') === 0) {
+		return dirfind_content($a);
+	}
+
+        if(x($_GET,'search-option'))
+		switch($_GET['search-option']) {
+			case 'fulltext':
+				break;
+			case 'tags':
+				$tag = true;
+				break;
+			case 'contacts':
+				return dirfind_content($a, "@");
+				break;
+			case 'forums':
+				return dirfind_content($a, "!");
+				break;
+		}
 
 	if(! $search)
 		return $o;