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// -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*-
// vim: ts=8 sw=2 smarttab
#ifndef CEPH_RGW_KEYSTONE_H
#define CEPH_RGW_KEYSTONE_H
#include "rgw_common.h"
#include "rgw_http_client.h"
#include "common/Cond.h"
int rgw_open_cms_envelope(CephContext *cct,
const std::string& src,
std::string& dst); /* out */
int rgw_decode_b64_cms(CephContext *cct,
const string& signed_b64,
bufferlist& bl);
bool rgw_is_pki_token(const string& token);
void rgw_get_token_id(const string& token, string& token_id);
static inline std::string rgw_get_token_id(const string& token)
{
std::string token_id;
rgw_get_token_id(token, token_id);
return token_id;
}
bool rgw_decode_pki_token(CephContext *cct,
const string& token,
bufferlist& bl);
enum class KeystoneApiVersion {
VER_2,
VER_3
};
class KeystoneService {
public:
class RGWKeystoneHTTPTransceiver : public RGWHTTPTransceiver {
public:
RGWKeystoneHTTPTransceiver(CephContext * const cct,
bufferlist * const token_body_bl)
: RGWHTTPTransceiver(cct, token_body_bl,
cct->_conf->rgw_keystone_verify_ssl,
{ "X-Subject-Token" }) {
}
const header_value_t& get_subject_token() const {
try {
return get_header_value("X-Subject-Token");
} catch (std::out_of_range&) {
static header_value_t empty_val;
return empty_val;
}
}
};
typedef RGWKeystoneHTTPTransceiver RGWValidateKeystoneToken;
typedef RGWKeystoneHTTPTransceiver RGWGetKeystoneAdminToken;
typedef RGWKeystoneHTTPTransceiver RGWGetRevokedTokens;
static KeystoneApiVersion get_api_version();
static int get_keystone_url(CephContext * const cct,
std::string& url);
static int get_keystone_admin_token(CephContext * const cct,
std::string& token);
};
class KeystoneToken {
public:
class Domain {
public:
string id;
string name;
void decode_json(JSONObj *obj);
};
class Project {
public:
Domain domain;
string id;
string name;
void decode_json(JSONObj *obj);
};
class Token {
public:
Token() : expires(0) { }
string id;
time_t expires;
Project tenant_v2;
void decode_json(JSONObj *obj);
};
class Role {
public:
string id;
string name;
void decode_json(JSONObj *obj);
};
class User {
public:
string id;
string name;
Domain domain;
list<Role> roles_v2;
void decode_json(JSONObj *obj);
};
Token token;
Project project;
User user;
list<Role> roles;
public:
// FIXME: default ctor needs to be eradicated here
KeystoneToken() = default;
time_t get_expires() const { return token.expires; }
const std::string& get_domain_id() const {return project.domain.id;};
const std::string& get_domain_name() const {return project.domain.name;};
const std::string& get_project_id() const {return project.id;};
const std::string& get_project_name() const {return project.name;};
const std::string& get_user_id() const {return user.id;};
const std::string& get_user_name() const {return user.name;};
bool has_role(const string& r) const;
bool expired() {
uint64_t now = ceph_clock_now().sec();
return (now >= (uint64_t)get_expires());
}
int parse(CephContext *cct,
const string& token_str,
bufferlist& bl /* in */);
void decode_json(JSONObj *access_obj);
};
class RGWKeystoneTokenCache {
struct token_entry {
KeystoneToken token;
list<string>::iterator lru_iter;
};
atomic_t down_flag;
class RevokeThread : public Thread {
friend class RGWKeystoneTokenCache;
typedef RGWPostHTTPData RGWGetRevokedTokens;
CephContext * const cct;
RGWKeystoneTokenCache * const cache;
Mutex lock;
Cond cond;
RevokeThread(CephContext * const cct, RGWKeystoneTokenCache * cache)
: cct(cct),
cache(cache),
lock("RGWKeystoneTokenCache::RevokeThread") {
}
void *entry();
void stop();
int check_revoked();
} revocator;
CephContext * const cct;
std::string admin_token_id;
std::map<std::string, token_entry> tokens;
std::list<std::string> tokens_lru;
Mutex lock;
const size_t max;
RGWKeystoneTokenCache()
: revocator(g_ceph_context, this),
cct(g_ceph_context),
lock("RGWKeystoneTokenCache"),
max(cct->_conf->rgw_keystone_token_cache_size) {
/* The thread name has been kept for backward compliance. */
revocator.create("rgw_swift_k_rev");
}
~RGWKeystoneTokenCache() {
down_flag.set(1);
revocator.stop();
revocator.join();
}
public:
RGWKeystoneTokenCache(const RGWKeystoneTokenCache&) = delete;
void operator=(const RGWKeystoneTokenCache&) = delete;
static RGWKeystoneTokenCache& get_instance();
bool find(const string& token_id, KeystoneToken& token);
bool find_admin(KeystoneToken& token);
void add(const string& token_id, const KeystoneToken& token);
void add_admin(const KeystoneToken& token);
void invalidate(const string& token_id);
bool going_down() const;
private:
void add_locked(const string& token_id, const KeystoneToken& token);
bool find_locked(const string& token_id, KeystoneToken& token);
};
class KeystoneAdminTokenRequest {
public:
virtual ~KeystoneAdminTokenRequest() = default;
virtual void dump(Formatter *f) const = 0;
};
class KeystoneAdminTokenRequestVer2 : public KeystoneAdminTokenRequest {
CephContext *cct;
public:
KeystoneAdminTokenRequestVer2(CephContext * const _cct)
: cct(_cct) {
}
void dump(Formatter *f) const;
};
class KeystoneAdminTokenRequestVer3 : public KeystoneAdminTokenRequest {
CephContext *cct;
public:
KeystoneAdminTokenRequestVer3(CephContext * const _cct)
: cct(_cct) {
}
void dump(Formatter *f) const;
};
#endif
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