From a0eaff8a1d18ebba33cdea4cd1efaddeb55519e7 Mon Sep 17 00:00:00 2001
From: Daniel Cousens <github@dcousens.com>
Date: Fri, 15 Jan 2016 11:55:17 +1100
Subject: move rpc* to rpc/

---
 src/rpc/protocol.cpp | 127 +++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 127 insertions(+)
 create mode 100644 src/rpc/protocol.cpp

(limited to 'src/rpc/protocol.cpp')

diff --git a/src/rpc/protocol.cpp b/src/rpc/protocol.cpp
new file mode 100644
index 0000000000..f5275062a2
--- /dev/null
+++ b/src/rpc/protocol.cpp
@@ -0,0 +1,127 @@
+// Copyright (c) 2010 Satoshi Nakamoto
+// Copyright (c) 2009-2015 The Bitcoin Core developers
+// Distributed under the MIT software license, see the accompanying
+// file COPYING or http://www.opensource.org/licenses/mit-license.php.
+
+#include "rpc/protocol.h"
+
+#include "random.h"
+#include "tinyformat.h"
+#include "util.h"
+#include "utilstrencodings.h"
+#include "utiltime.h"
+#include "version.h"
+
+#include <stdint.h>
+#include <fstream>
+
+using namespace std;
+
+/**
+ * JSON-RPC protocol.  Bitcoin speaks version 1.0 for maximum compatibility,
+ * but uses JSON-RPC 1.1/2.0 standards for parts of the 1.0 standard that were
+ * unspecified (HTTP errors and contents of 'error').
+ * 
+ * 1.0 spec: http://json-rpc.org/wiki/specification
+ * 1.2 spec: http://jsonrpc.org/historical/json-rpc-over-http.html
+ */
+
+string JSONRPCRequest(const string& strMethod, const UniValue& params, const UniValue& id)
+{
+    UniValue request(UniValue::VOBJ);
+    request.push_back(Pair("method", strMethod));
+    request.push_back(Pair("params", params));
+    request.push_back(Pair("id", id));
+    return request.write() + "\n";
+}
+
+UniValue JSONRPCReplyObj(const UniValue& result, const UniValue& error, const UniValue& id)
+{
+    UniValue reply(UniValue::VOBJ);
+    if (!error.isNull())
+        reply.push_back(Pair("result", NullUniValue));
+    else
+        reply.push_back(Pair("result", result));
+    reply.push_back(Pair("error", error));
+    reply.push_back(Pair("id", id));
+    return reply;
+}
+
+string JSONRPCReply(const UniValue& result, const UniValue& error, const UniValue& id)
+{
+    UniValue reply = JSONRPCReplyObj(result, error, id);
+    return reply.write() + "\n";
+}
+
+UniValue JSONRPCError(int code, const string& message)
+{
+    UniValue error(UniValue::VOBJ);
+    error.push_back(Pair("code", code));
+    error.push_back(Pair("message", message));
+    return error;
+}
+
+/** Username used when cookie authentication is in use (arbitrary, only for
+ * recognizability in debugging/logging purposes)
+ */
+static const std::string COOKIEAUTH_USER = "__cookie__";
+/** Default name for auth cookie file */
+static const std::string COOKIEAUTH_FILE = ".cookie";
+
+boost::filesystem::path GetAuthCookieFile()
+{
+    boost::filesystem::path path(GetArg("-rpccookiefile", COOKIEAUTH_FILE));
+    if (!path.is_complete()) path = GetDataDir() / path;
+    return path;
+}
+
+bool GenerateAuthCookie(std::string *cookie_out)
+{
+    unsigned char rand_pwd[32];
+    GetRandBytes(rand_pwd, 32);
+    std::string cookie = COOKIEAUTH_USER + ":" + EncodeBase64(&rand_pwd[0],32);
+
+    /** the umask determines what permissions are used to create this file -
+     * these are set to 077 in init.cpp unless overridden with -sysperms.
+     */
+    std::ofstream file;
+    boost::filesystem::path filepath = GetAuthCookieFile();
+    file.open(filepath.string().c_str());
+    if (!file.is_open()) {
+        LogPrintf("Unable to open cookie authentication file %s for writing\n", filepath.string());
+        return false;
+    }
+    file << cookie;
+    file.close();
+    LogPrintf("Generated RPC authentication cookie %s\n", filepath.string());
+
+    if (cookie_out)
+        *cookie_out = cookie;
+    return true;
+}
+
+bool GetAuthCookie(std::string *cookie_out)
+{
+    std::ifstream file;
+    std::string cookie;
+    boost::filesystem::path filepath = GetAuthCookieFile();
+    file.open(filepath.string().c_str());
+    if (!file.is_open())
+        return false;
+    std::getline(file, cookie);
+    file.close();
+
+    if (cookie_out)
+        *cookie_out = cookie;
+    return true;
+}
+
+void DeleteAuthCookie()
+{
+    try {
+        boost::filesystem::remove(GetAuthCookieFile());
+    } catch (const boost::filesystem::filesystem_error& e) {
+        LogPrintf("%s: Unable to remove random auth cookie file: %s\n", __func__, e.what());
+    }
+}
+
-- 
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