summaryrefslogtreecommitdiff
path: root/lib/util.php
diff options
context:
space:
mode:
Diffstat (limited to 'lib/util.php')
-rw-r--r--lib/util.php31
1 files changed, 27 insertions, 4 deletions
diff --git a/lib/util.php b/lib/util.php
index d159c583e..bf7282858 100644
--- a/lib/util.php
+++ b/lib/util.php
@@ -422,7 +422,7 @@ 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
@@ -452,9 +452,9 @@ function common_replace_urls_callback($text, $callback, $notice_id = null) {
')'.
'(?:'.
'(?:\:\d+)?'. //:port
- '(?:/[\pN\pL$\[\]\,\!\(\)\.\:\-\_\+\/\=\&\;\%\~\*\$\+\'\"@]*)?'. // /path
- '(?:\?[\pN\pL\$\[\]\,\!\(\)\.\:\-\_\+\/\=\&\;\%\~\*\$\+\'\"@\/]*)?'. // ?query string
- '(?:\#[\pN\pL$\[\]\,\!\(\)\.\:\-\_\+\/\=\&\;\%\~\*\$\+\'\"\@/\?\#]*)?'. // #fragment
+ '(?:/[\pN\pL$\,\!\(\)\.\:\-\_\+\/\=\&\;\%\~\*\$\+\'@]*)?'. // /path
+ '(?:\?[\pN\pL\$\,\!\(\)\.\:\-\_\+\/\=\&\;\%\~\*\$\+\'@\/]*)?'. // ?query string
+ '(?:\#[\pN\pL$\,\!\(\)\.\:\-\_\+\/\=\&\;\%\~\*\$\+\'\@/\?\#]*)?'. // #fragment
')(?<![\?\.\,\#\,])'.
')'.
'#ixu';
@@ -480,6 +480,10 @@ function callback_helper($matches, $callback, $notice_id) {
array(
'left'=>'{',
'right'=>'}'
+ ),
+ array(
+ 'left'=>'<',
+ 'right'=>'>'
)
);
$cannotEndWith=array('.','?',',','#');
@@ -1366,9 +1370,28 @@ function common_memcache()
}
}
+function common_license_terms($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);
}