From 2ebc9eda37ffa78dfe85dadd783d3acc025a72b0 Mon Sep 17 00:00:00 2001
From: moneroexamples <moneroexamples@tuta.io>
Date: Wed, 28 Sep 2016 07:44:39 +0800
Subject: [PATCH] parse_crow_post_data function added

---
 main.cpp      | 19 ++++++++-------
 src/page.h    |  6 ++++-
 src/tools.cpp | 66 +++++++++++++++++++++++++++++++++++++++++++++++++++
 src/tools.h   |  4 ++++
 4 files changed, 86 insertions(+), 9 deletions(-)

diff --git a/main.cpp b/main.cpp
index 019fdc6..d5f4ad5 100644
--- a/main.cpp
+++ b/main.cpp
@@ -216,15 +216,18 @@ int main(int ac, const char* av[]) {
 
     CROW_ROUTE(app, "/checkandpush").methods("POST"_method)
     ([&](const crow::request& req) {
-        //string rawtxdata = string(req.post().get("rawtxdata"));
-        crow::query_string post_data(req.body);
-        //cout << req.url_params.get("rawtxdata") << endl;
-        cout << req.body << endl;
-        //auto j = crow::json::load(req.body);
-        //cout << req.get_header_value("rawtxdata") << endl;
-        //cout << j["rawtxdata"] << endl;
 
-        return xmrblocks.show_checkandpushtx();
+        map<std::string, std::string> post_body = xmreg::parse_crow_post_data(req.body);
+
+        if (post_body.count("rawtxdata") == 0 || post_body.count("action") == 0)
+        {
+            return string("Raw tx data or action not provided");
+        }
+
+        string raw_tx_data = post_body["rawtxdata"];
+        string action      = post_body["action"];
+
+        return xmrblocks.show_checkandpushtx(raw_tx_data, action);
     });
 
     CROW_ROUTE(app, "/search").methods("GET"_method)
diff --git a/src/page.h b/src/page.h
index dcfd252..4efdabf 100644
--- a/src/page.h
+++ b/src/page.h
@@ -1529,8 +1529,12 @@ namespace xmreg {
         }
 
         string
-        show_checkandpushtx()
+        show_checkandpushtx(string raw_tx_data, string action)
         {
+
+            cout << raw_tx_data << endl;
+            cout << action << endl;
+
             return {};
         }
 
diff --git a/src/tools.cpp b/src/tools.cpp
index f742b59..d217351 100644
--- a/src/tools.cpp
+++ b/src/tools.cpp
@@ -671,5 +671,71 @@ namespace xmreg
         return true;
     }
 
+    bool
+    url_decode(const std::string& in, std::string& out)
+    {
+        out.clear();
+        out.reserve(in.size());
+        for (std::size_t i = 0; i < in.size(); ++i)
+        {
+            if (in[i] == '%')
+            {
+                if (i + 3 <= in.size())
+                {
+                    int value = 0;
+                    std::istringstream is(in.substr(i + 1, 2));
+                    if (is >> std::hex >> value)
+                    {
+                        out += static_cast<char>(value);
+                        i += 2;
+                    }
+                    else
+                    {
+                        return false;
+                    }
+                }
+                else
+                {
+                    return false;
+                }
+            }
+            else if (in[i] == '+')
+            {
+                out += ' ';
+            }
+            else
+            {
+                out += in[i];
+            }
+        }
+        return true;
+    }
 
+    map<std::string, std::string>
+    parse_crow_post_data(const string& req_body)
+    {
+        map<std::string, std::string> body;
+
+        vector<string> vec;
+        string tmp;
+        bool result = url_decode(req_body, tmp);
+        if (result)
+        {
+            boost::algorithm::split(vec, tmp, [](char x) {return x == '&'; });
+            for(auto &it : vec)
+            {
+                auto pos = it.find("=");
+                if (pos != string::npos)
+                {
+                    body[it.substr(0, pos)] = it.substr(pos + 1);
+                }
+                else
+                {
+                    break;
+                }
+            }
+        }
+        return body;
+    }
 }
+
diff --git a/src/tools.h b/src/tools.h
index 81e603e..eeacf05 100644
--- a/src/tools.h
+++ b/src/tools.h
@@ -223,7 +223,11 @@ namespace xmreg
                   rct::key & mask,
                   uint64_t & amount);
 
+    bool
+    url_decode(const std::string& in, std::string& out);
 
+    map<std::string, std::string>
+    parse_crow_post_data(const string& req_body);
 }
 
 #endif //XMREG01_TOOLS_H