Split epee/string_tools.h and encapsulate boost::lexical_cast

1 files changed, 206 insertions, 0 deletions

diff --git a/contrib/epee/src/net_parse_helpers.cpp b/contrib/epee/src/net_parse_helpers.cpp
new file mode 100644
index 000000000..de7843b67
--- /dev/null
+++ b/contrib/epee/src/net_parse_helpers.cpp
@@ -0,0 +1,206 @@
+// Copyright (c) 2006-2013, Andrey N. Sabelnikov, www.sabelnikov.net
+// All rights reserved.
+// 
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are met:
+// * Redistributions of source code must retain the above copyright
+// notice, this list of conditions and the following disclaimer.
+// * Redistributions in binary form must reproduce the above copyright
+// notice, this list of conditions and the following disclaimer in the
+// documentation and/or other materials provided with the distribution.
+// * Neither the name of the Andrey N. Sabelnikov nor the
+// names of its contributors may be used to endorse or promote products
+// derived from this software without specific prior written permission.
+// 
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
+// ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+// WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+// DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER  BE LIABLE FOR ANY
+// DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+// (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+// LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+// ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+// SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+// 
+
+#include "net/net_parse_helpers.h"
+#include "net/http_base.h"
+#include "misc_log_ex.h"
+#include "reg_exp_definer.h"
+#include <boost/lexical_cast.hpp>
+
+#undef MONERO_DEFAULT_LOG_CATEGORY
+#define MONERO_DEFAULT_LOG_CATEGORY "net"
+
+namespace epee
+{
+namespace net_utils
+{
+
+  static bool parse_uri_query(const std::string& query, std::list<std::pair<std::string, std::string> >& params)
+  { 
+    enum state
+    {
+      st_param_name, 
+      st_param_val
+    };
+    state st = st_param_name;
+    std::string::const_iterator start_it = query.begin();
+    std::pair<std::string, std::string> e;
+    for(std::string::const_iterator it = query.begin(); it != query.end(); it++)
+    {
+      switch(st)
+      {
+      case st_param_name:
+        if(*it == '=')
+        {
+          e.first.assign(start_it, it);
+          start_it = it;++start_it;
+          st = st_param_val;
+        }
+        break;
+      case st_param_val:
+        if(*it == '&')
+        {
+          e.second.assign(start_it, it);
+          start_it = it;++start_it;
+          params.push_back(e);
+          e.first.clear();e.second.clear();
+          st = st_param_name;
+        }
+        break;
+      default:
+        LOG_ERROR("Unknown state " << (int)st);
+        return false;
+      }
+    }
+    if(st == st_param_name)
+    {
+      if(start_it != query.end())
+      {
+        e.first.assign(start_it, query.end());
+        params.push_back(e);
+      }
+    }else
+    {
+      if(start_it != query.end())
+        e.second.assign(start_it, query.end());
+
+      if(e.first.size())
+        params.push_back(e);
+    }
+    return true;
+  }
+  
+  bool parse_uri(const std::string uri, http::uri_content& content)
+  {
+
+    ///iframe_test.html?api_url=http://api.vk.com/api.php&api_id=3289090&api_settings=1&viewer_id=562964060&viewer_type=0&sid=0aad8d1c5713130f9ca0076f2b7b47e532877424961367d81e7fa92455f069be7e21bc3193cbd0be11895&secret=368ebbc0ef&access_token=668bc03f43981d883f73876ffff4aa8564254b359cc745dfa1b3cde7bdab2e94105d8f6d8250717569c0a7&user_id=0&group_id=0&is_app_user=1&auth_key=d2f7a895ca5ff3fdb2a2a8ae23fe679a&language=0&parent_language=0&ad_info=ElsdCQBaQlxiAQRdFUVUXiN2AVBzBx5pU1BXIgZUJlIEAWcgAUoLQg==&referrer=unknown&lc_name=9834b6a3&hash=
+    content.m_query_params.clear();
+    STATIC_REGEXP_EXPR_1(rexp_match_uri, "^([^?#]*)(\\?([^#]*))?(#(.*))?", boost::regex::icase | boost::regex::normal);
+
+    boost::smatch result;	
+    if(!(boost::regex_search(uri, result, rexp_match_uri, boost::match_default) && result[0].matched))
+    {
+      LOG_PRINT_L1("[PARSE URI] regex not matched for uri: " << uri);
+      content.m_path = uri;
+      return true;
+    }
+    if(result[1].matched)
+    {
+      content.m_path = result[1];
+    }
+    if(result[3].matched)
+    {
+      content.m_query = result[3];
+    }
+    if(result[5].matched)
+    {
+      content.m_fragment = result[5];
+    }
+    if(content.m_query.size())
+    {
+      parse_uri_query(content.m_query, content.m_query_params);
+    }
+    return true;
+  }
+
+  bool parse_url_ipv6(const std::string url_str, http::url_content& content)
+  {
+    STATIC_REGEXP_EXPR_1(rexp_match_uri, "^(([^:]*?)://)?(\\[(.*)\\](:(\\d+))?)(.*)?", boost::regex::icase | boost::regex::normal);
+    //                                     12            3   4      5 6        7
+
+    content.port = 0;
+    boost::smatch result;
+    if(!(boost::regex_search(url_str, result, rexp_match_uri, boost::match_default) && result[0].matched))
+    {
+      LOG_PRINT_L1("[PARSE URI] regex not matched for uri: " << rexp_match_uri);
+      //content.m_path = uri;
+      return false;
+    }
+    if(result[2].matched)
+    {
+      content.schema = result[2];
+    }
+    if(result[4].matched)
+    {
+      content.host = result[4];
+    }
+    else  // if host not matched, matching should be considered failed
+    {
+      return false;
+    }
+    if(result[6].matched)
+    {
+      content.port = boost::lexical_cast<uint64_t>(result[6]);
+    }
+    if(result[7].matched)
+    {
+      content.uri = result[7];
+      return parse_uri(result[7], content.m_uri_content);
+    }
+
+    return true;
+  }
+
+  bool parse_url(const std::string url_str, http::url_content& content)
+  {
+
+    if (parse_url_ipv6(url_str, content)) return true;
+
+    ///iframe_test.html?api_url=http://api.vk.com/api.php&api_id=3289090&api_settings=1&viewer_id=562964060&viewer_type=0&sid=0aad8d1c5713130f9ca0076f2b7b47e532877424961367d81e7fa92455f069be7e21bc3193cbd0be11895&secret=368ebbc0ef&access_token=668bc03f43981d883f73876ffff4aa8564254b359cc745dfa1b3cde7bdab2e94105d8f6d8250717569c0a7&user_id=0&group_id=0&is_app_user=1&auth_key=d2f7a895ca5ff3fdb2a2a8ae23fe679a&language=0&parent_language=0&ad_info=ElsdCQBaQlxiAQRdFUVUXiN2AVBzBx5pU1BXIgZUJlIEAWcgAUoLQg==&referrer=unknown&lc_name=9834b6a3&hash=
+    //STATIC_REGEXP_EXPR_1(rexp_match_uri, "^([^?#]*)(\\?([^#]*))?(#(.*))?", boost::regex::icase | boost::regex::normal);
+    STATIC_REGEXP_EXPR_1(rexp_match_uri, "^(([^:]*?)://)?(([^/:]*)(:(\\d+))?)(.*)?", boost::regex::icase | boost::regex::normal);
+    //                                     12            34       5 6        7
+    content.port = 0;
+    boost::smatch result;	
+    if(!(boost::regex_search(url_str, result, rexp_match_uri, boost::match_default) && result[0].matched))
+    {
+      LOG_PRINT_L1("[PARSE URI] regex not matched for uri: " << rexp_match_uri);
+      //content.m_path = uri;
+      return true;
+    }
+    if(result[2].matched)
+    {
+      content.schema = result[2];
+    }
+    if(result[4].matched)
+    {
+      content.host = result[4];
+    }
+    if(result[6].matched)
+    {
+      content.port = boost::lexical_cast<uint64_t>(result[6]);
+    }
+    if(result[7].matched)
+    {
+      content.uri = result[7];
+      return parse_uri(result[7], content.m_uri_content);
+    }
+    
+    return true;
+  }
+
+}
+}