X-Git-Url: https://git.mxchange.org/?a=blobdiff_plain;f=lib%2Futil.php;h=46aa7f90121f0edfc258e312ae48cf364ab1b3bf;hb=9f15febf88769493aa834cab5b916cb46298842a;hp=31a78a876a529f253318148348f151cbe3b15fdf;hpb=8782f5fedfc9eaf98a1d72a545b62cc5bc387e26;p=quix0rs-gnu-social.git

diff --git a/lib/util.php b/lib/util.php
index 31a78a876a..46aa7f9012 100644
--- a/lib/util.php
+++ b/lib/util.php
@@ -127,8 +127,17 @@ function common_check_user($nickname, $password)
     if (is_null($user) || $user === false) {
         return false;
     } else {
-        if (0 == strcmp(common_munge_password($password, $user->id),
-                        $user->password)) {
+        $authenticated = false;
+        Event::handle('CheckPassword', array($nickname, $password, &$authenticated));
+        if(! $authenticated){
+            //no handler asserted the user, so check ourselves
+            if (0 == strcmp(common_munge_password($password, $user->id),
+                            $user->password)) {
+                //internal checking passed
+                $authenticated = true;
+            }
+        }
+        if($authenticated){
             return $user;
         } else {
             return false;
@@ -422,7 +431,7 @@ function common_render_text($text)
 function common_replace_urls_callback($text, $callback, $notice_id = null) {
     // Start off with a regex
     $regex = '#'.
-    '(?:^|[\s\(\)\[\]\{\}\\\'\\\";]+)(?![\@\!\#])'.
+    '(?:^|[\s\<\>\(\)\[\]\{\}\\\'\\\";]+)(?![\@\!\#])'.
     '('.
         '(?:'.
             '(?:'. //Known protocols
@@ -480,6 +489,10 @@ function callback_helper($matches, $callback, $notice_id) {
         array(
             'left'=>'{',
             'right'=>'}'
+        ),
+        array(
+            'left'=>'<',
+            'right'=>'>'
         )
     );
     $cannotEndWith=array('.','?',',','#');
@@ -1366,9 +1379,28 @@ function common_memcache()
     }
 }
 
+function common_license_terms($uri)
+{
+    if(preg_match('/creativecommons.org\/licenses\/([^\/]+)/', $uri, $matches)) {
+        return explode('-',$matches[1]);
+    }
+    return array($uri);
+}
+
 function common_compatible_license($from, $to)
 {
+    $from_terms = common_license_terms($from);
+    // public domain and cc-by are compatible with everything
+    if(count($from_terms) == 1 && ($from_terms[0] == 'publicdomain' || $from_terms[0] == 'by')) {
+        return true;
+    }
+    $to_terms = common_license_terms($to);
+    // sa is compatible across versions. IANAL
+    if(in_array('sa',$from_terms) || in_array('sa',$to_terms)) {
+        return count(array_diff($from_terms, $to_terms)) == 0;
+    }
     // XXX: better compatibility check needed here!
+    // Should at least normalise URIs
     return ($from == $to);
 }