diff options
author | Vasudev Kamath <vasudev@copyninja.info> | 2016-10-23 21:09:41 +0530 |
---|---|---|
committer | Vasudev Kamath <vasudev@copyninja.info> | 2016-10-23 21:09:41 +0530 |
commit | 4e4de7284e6e4d89d182ea459823bbec1e408842 (patch) | |
tree | 47e0ed5216b48649b138f168f61fddca2b0c076a /louloulibs/xmpp/jid.cpp | |
parent | dfb3a6edfacf2f16a8a63690b3e8058b6295d1a3 (diff) | |
parent | eda4b75b1cff83336e87da90efca9fd6b4ced2c7 (diff) | |
download | biboumi-4e4de7284e6e4d89d182ea459823bbec1e408842.tar.gz biboumi-4e4de7284e6e4d89d182ea459823bbec1e408842.tar.bz2 biboumi-4e4de7284e6e4d89d182ea459823bbec1e408842.tar.xz biboumi-4e4de7284e6e4d89d182ea459823bbec1e408842.zip |
Updated version 3.0 from 'upstream/3.0'
with Debian dir 0f18938e98f5a466f36719f60cef0490163ab845
Diffstat (limited to 'louloulibs/xmpp/jid.cpp')
-rw-r--r-- | louloulibs/xmpp/jid.cpp | 99 |
1 files changed, 99 insertions, 0 deletions
diff --git a/louloulibs/xmpp/jid.cpp b/louloulibs/xmpp/jid.cpp new file mode 100644 index 0000000..7b62f3e --- /dev/null +++ b/louloulibs/xmpp/jid.cpp @@ -0,0 +1,99 @@ +#include <xmpp/jid.hpp> +#include <algorithm> +#include <cstring> +#include <map> + +#include <louloulibs.h> +#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); +} + +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(), std::min(max_jid_part_len, 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(), std::min(max_jid_part_len, 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 ""; + } + std::replace_if(std::begin(domain), domain + ::strlen(domain), + [](const char c) -> bool + { + return !((c >= 'a' && c <= 'z') || c == '-' || + (c >= '0' && c <= '9') || c == '.'); + }, '-'); + + // 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(), std::min(max_jid_part_len, 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 +} |