db/upnp/Util: handle absolute URI paths properly in caturl()

Fixes problems with some UPnP servers.
This commit is contained in:
Max Kellermann 2014-01-22 17:12:46 +01:00
parent 9aeb23dfe9
commit 9fb5134f64
1 changed files with 20 additions and 7 deletions

View File

@ -45,14 +45,27 @@ trimstring(std::string &s, const char *ws)
std::string
caturl(const std::string &s1, const std::string &s2)
{
std::string out(s1);
if (out.back() == '/') {
if (s2.front() == '/')
out.erase(out.size()-1);
} else {
if (s2.front() != '/')
out.push_back('/');
if (s2.front() == '/') {
/* absolute path: replace the whole URI path in s1 */
auto i = s1.find("://");
if (i == s1.npos)
/* no scheme: override s1 completely */
return s2;
/* find the first slash after the host part */
i = s1.find('/', i + 3);
if (i == s1.npos)
/* there's no URI path - simply append s2 */
i = s1.length();
return s1.substr(0, i) + s2;
}
std::string out(s1);
if (out.back() != '/')
out.push_back('/');
out += s2;
return out;
}