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-rw-r--r--lib/util.cc16
1 files changed, 12 insertions, 4 deletions
diff --git a/lib/util.cc b/lib/util.cc
index ac70938..69d37b5 100644
--- a/lib/util.cc
+++ b/lib/util.cc
@@ -170,36 +170,44 @@ namespace opkele {
* that is - [:alpha:][:digit:]._~-
* - remove dot segments
* - remove empty and default ports
* - if there's no path component, add '/'
*/
string rfc_3986_normalize_uri(const string& uri) {
+ static const char *whitespace = " \t\r\n";
string rv;
- string::size_type colon = uri.find(':');
+ string::size_type ns = uri.find_first_not_of(whitespace);
+ if(ns==string::npos)
+ throw bad_input(OPKELE_CP_ "Can't normalize empty URI");
+ string::size_type colon = uri.find(':',ns);
if(colon==string::npos)
throw bad_input(OPKELE_CP_ "No scheme specified in URI");
transform(
- uri.begin(), uri.begin()+colon+1,
+ uri.begin()+ns, uri.begin()+colon+1,
back_inserter(rv), ::tolower );
bool s;
if(rv=="http:")
s = false;
else if(rv=="https:")
s = true;
+#ifndef NDEBUG
+ else if(rv=="file:")
+ s = false;
+#endif /* XXX: or try to make tests work some other way */
else
throw not_implemented(OPKELE_CP_ "Only http(s) URIs can be normalized here");
- string::size_type ul = uri.length();
+ string::size_type ul = uri.find_last_not_of(whitespace)+1;
if(ul <= (colon+3))
throw bad_input(OPKELE_CP_ "Unexpected end of URI being normalized encountered");
if(uri[colon+1]!='/' || uri[colon+2]!='/')
throw bad_input(OPKELE_CP_ "Unexpected input in URI being normalized after scheme component");
rv += "//";
string::size_type interesting = uri.find_first_of(":/#?",colon+3);
if(interesting==string::npos) {
transform(
- uri.begin()+colon+3,uri.end(),
+ uri.begin()+colon+3,uri.begin()+ul,
back_inserter(rv), ::tolower );
rv += '/'; return rv;
}
transform(
uri.begin()+colon+3,uri.begin()+interesting,
back_inserter(rv), ::tolower );