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#include <xmpp/jid.hpp>
#include <config.h>
#include <cstring>
#include <map>
#ifdef LIBIDN_FOUND
#include <stringprep.h>
#endif
#include <logger/logger.hpp>
Jid::Jid(const std::string& jid)
{
std::string::size_type slash = jid.find('/');
if (slash != std::string::npos)
{
this->resource = jid.substr(slash + 1);
}
std::string::size_type at = jid.find('@');
if (at != std::string::npos && at < slash)
{
this->local = jid.substr(0, at);
at++;
}
else
at = 0;
this->domain = jid.substr(at, slash - at);
}
#include <iostream>
static constexpr size_t max_jid_part_len = 1023;
std::string jidprep(const std::string& original)
{
#ifdef LIBIDN_FOUND
using CacheType = std::map<std::string, std::string>;
static CacheType cache;
std::pair<CacheType::iterator, bool> cached = cache.insert({original, {}});
if (std::get<1>(cached) == false)
{ // Insertion failed: the result is already in the cache, return it
return std::get<0>(cached)->second;
}
const std::string error_msg("Failed to convert " + original + " into a valid JID:");
Jid jid(original);
char local[max_jid_part_len] = {};
memcpy(local, jid.local.data(), jid.local.size());
Stringprep_rc rc = static_cast<Stringprep_rc>(::stringprep(local, max_jid_part_len,
static_cast<Stringprep_profile_flags>(0), stringprep_xmpp_nodeprep));
if (rc != STRINGPREP_OK)
{
log_error(error_msg + stringprep_strerror(rc));
return "";
}
char domain[max_jid_part_len] = {};
memcpy(domain, jid.domain.data(), jid.domain.size());
rc = static_cast<Stringprep_rc>(::stringprep(domain, max_jid_part_len,
static_cast<Stringprep_profile_flags>(0), stringprep_nameprep));
if (rc != STRINGPREP_OK)
{
log_error(error_msg + stringprep_strerror(rc));
return "";
}
// If there is no resource, stop here
if (jid.resource.empty())
{
std::get<0>(cached)->second = std::string(local) + "@" + domain;
return std::get<0>(cached)->second;
}
// Otherwise, also process the resource part
char resource[max_jid_part_len] = {};
memcpy(resource, jid.resource.data(), jid.resource.size());
rc = static_cast<Stringprep_rc>(::stringprep(resource, max_jid_part_len,
static_cast<Stringprep_profile_flags>(0), stringprep_xmpp_resourceprep));
if (rc != STRINGPREP_OK)
{
log_error(error_msg + stringprep_strerror(rc));
return "";
}
std::get<0>(cached)->second = std::string(local) + "@" + domain + "/" + resource;
return std::get<0>(cached)->second;
#else
(void)original;
return "";
#endif
}
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