initial code repo

[stor4nfv.git] / src / ceph / src / rgw / rgw_token.h

diff --git a/src/ceph/src/rgw/rgw_token.h b/src/ceph/src/rgw/rgw_token.h
new file mode 100644 (file)
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+++ b/src/ceph/src/rgw/rgw_token.h
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+// -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*-
+// vim: ts=8 sw=2 smarttab
+/*
+ * Ceph - scalable distributed file system
+ *
+ * Copyright (C) 2016 Red Hat, Inc
+ *
+ * This is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License version 2.1, as published by the Free Software
+ * Foundation.  See file COPYING.
+ *
+ */
+
+#ifndef RGW_TOKEN_H
+#define RGW_TOKEN_H
+
+#include <stdint.h>
+#include <boost/algorithm/string.hpp>
+#include <sstream>
+
+#include "common/ceph_json.h"
+#include "common/Formatter.h"
+#include "rgw/rgw_b64.h"
+
+namespace rgw {
+
+  using std::string;
+
+  class RGWToken {
+  public:
+    static constexpr auto type_name = "RGW_TOKEN";
+
+    enum token_type : uint32_t {
+      TOKEN_NONE,
+       TOKEN_AD,
+       TOKEN_KEYSTONE,
+       TOKEN_LDAP,
+    };
+
+    static enum token_type to_type(const string& s) {
+      if (boost::iequals(s, "ad"))
+       return TOKEN_AD;
+      if (boost::iequals(s, "ldap"))
+       return TOKEN_LDAP;
+      if (boost::iequals(s, "keystone"))
+       return TOKEN_KEYSTONE;
+      return TOKEN_NONE;
+    }
+
+    static const char* from_type(enum token_type type) {
+      switch (type) {
+      case TOKEN_AD:
+       return "ad";
+       break;
+      case TOKEN_LDAP:
+       return "ldap";
+       break;
+      case TOKEN_KEYSTONE:
+       return "keystone";
+       break;
+      default:
+       return "none";
+      };
+    }
+
+    token_type type;
+    string id;
+    string key;
+
+    virtual uint32_t version() const { return 1; };
+
+    bool valid() const{
+      return ((type != TOKEN_NONE) &&
+             (! id.empty()) &&
+             (! key.empty()));
+    }
+
+    RGWToken()
+      : type(TOKEN_NONE) {};
+
+    RGWToken(enum token_type _type, const std::string& _id,
+            const std::string& _key)
+      : type(_type), id(_id), key(_key) {};
+
+    RGWToken(const string& json) {
+      JSONParser p;
+      p.parse(json.c_str(), json.length());
+      JSONDecoder::decode_json(RGWToken::type_name, *this, &p);
+    }
+
+    void encode(bufferlist& bl) const {
+      uint32_t ver = version();
+      string typestr{from_type(type)};
+      ENCODE_START(1, 1, bl);
+      ::encode(type_name, bl);
+      ::encode(ver, bl);
+      ::encode(typestr, bl);
+      ::encode(id, bl);
+      ::encode(key, bl);
+      ENCODE_FINISH(bl);
+    }
+
+    void decode(bufferlist::iterator& bl) {
+      string name;
+      string typestr;
+      uint32_t version;
+      DECODE_START(1, bl);
+      ::decode(name, bl);
+      ::decode(version, bl);
+      ::decode(typestr, bl);
+      type = to_type(typestr);
+      ::decode(id, bl);
+      ::decode(key, bl);
+      DECODE_FINISH(bl);
+    }
+
+    void dump(Formatter* f) const {
+      ::encode_json("version", uint32_t(version()), f);
+      ::encode_json("type", from_type(type), f);
+      ::encode_json("id", id, f);
+      ::encode_json("key", key, f);
+    }
+
+    void encode_json(Formatter* f) {
+      RGWToken& token = *this;
+      f->open_object_section(type_name);
+      ::encode_json(type_name, token, f);
+      f->close_section();
+    }
+
+    void decode_json(JSONObj* obj) {
+      uint32_t version;
+      string type_name;
+      string typestr;
+      JSONDecoder::decode_json("version", version, obj);
+      JSONDecoder::decode_json("type", typestr, obj);
+      type = to_type(typestr);
+      JSONDecoder::decode_json("id", id, obj);
+      JSONDecoder::decode_json("key", key, obj);
+    }
+
+    std::string encode_json_base64(Formatter* f) {
+      encode_json(f);
+      std::ostringstream os;
+      f->flush(os);
+      return to_base64(std::move(os.str()));
+    }
+
+    friend inline ostream& operator<<(ostream& os, const RGWToken& token);
+
+    virtual ~RGWToken() {};
+  };
+  WRITE_CLASS_ENCODER(RGWToken)
+
+  inline ostream& operator<<(ostream& os, const RGWToken& token)
+  {
+    os << "<<RGWToken"
+       << " type=" << RGWToken::from_type(token.type)
+       << " id=" << token.id
+       << " key=" << token.key
+       << ">>";
+    return os;
+  }
+
+} /* namespace rgw */
+
+#endif /* RGW_TOKEN_H */