aboutsummaryrefslogtreecommitdiffstats
path: root/library/cpp/tvmauth/src/user_impl.cpp
blob: 33002968d297bdc23d22b96a1c533619c28bdb8b (plain) (blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
#include "user_impl.h"

#include "parser.h"

#include <library/cpp/tvmauth/exception.h>
#include <library/cpp/tvmauth/ticket_status.h>

#include <util/generic/strbuf.h>
#include <util/string/cast.h>
#include <util/string/split.h>

#include <algorithm>

namespace NTvmAuth {
    static const char* EX_MSG = "Method cannot be used in non-valid ticket";

    TStringBuf GetBlackboxEnvAsString(EBlackboxEnv environment) {
        switch (environment) {
            case (EBlackboxEnv::Prod):
                return TStringBuf("Prod");
            case (EBlackboxEnv::Test):
                return TStringBuf("Test");
            case (EBlackboxEnv::ProdYateam):
                return TStringBuf("ProdYateam");
            case (EBlackboxEnv::TestYateam):
                return TStringBuf("TestYateam");
            case (EBlackboxEnv::Stress):
                return TStringBuf("Stress");
            default: 
                throw yexception() << "Unknown environment";
        }
    }

    TCheckedUserTicket::TImpl::operator bool() const {
        return (Status_ == ETicketStatus::Ok);
    }

    TUid TCheckedUserTicket::TImpl::GetDefaultUid() const {
        Y_ENSURE_EX(bool(*this), TNotAllowedException() << EX_MSG);
        return ProtobufTicket_.user().defaultuid();
    }

    time_t TCheckedUserTicket::TImpl::GetExpirationTime() const {
        Y_ENSURE_EX(bool(*this), TNotAllowedException() << EX_MSG);
        return ProtobufTicket_.expirationtime();
    }

    const TScopes& TCheckedUserTicket::TImpl::GetScopes() const {
        Y_ENSURE_EX(bool(*this), TNotAllowedException() << EX_MSG);
        if (CachedScopes_.empty()) {
            for (const auto& el : ProtobufTicket_.user().scopes()) {
                CachedScopes_.push_back(el);
            }
        }
        return CachedScopes_;
    }

    bool TCheckedUserTicket::TImpl::HasScope(TStringBuf scopeName) const {
        Y_ENSURE_EX(bool(*this), TNotAllowedException() << EX_MSG);
        return std::binary_search(ProtobufTicket_.user().scopes().begin(), ProtobufTicket_.user().scopes().end(), scopeName);
    }

    ETicketStatus TCheckedUserTicket::TImpl::GetStatus() const {
        return Status_;
    }

    const TUids& TCheckedUserTicket::TImpl::GetUids() const {
        Y_ENSURE_EX(bool(*this), TNotAllowedException() << EX_MSG);
        if (CachedUids_.empty()) {
            for (const auto& user : ProtobufTicket_.user().users()) {
                CachedUids_.push_back(user.uid());
            }
        }
        return CachedUids_;
    }

    TString TCheckedUserTicket::TImpl::DebugInfo() const {
        if (CachedDebugInfo_) {
            return CachedDebugInfo_;
        }

        if (Status_ == ETicketStatus::Malformed) {
            CachedDebugInfo_ = "status=malformed;";
            return CachedDebugInfo_;
        }

        TString targetString = "ticket_type=";
        targetString.reserve(256);
        if (Status_ == ETicketStatus::InvalidTicketType) {
            targetString.append("not-user;");
            CachedDebugInfo_ = targetString;
            return targetString;
        }

        targetString.append("user");
        if (ProtobufTicket_.expirationtime() > 0)
            targetString.append(";expiration_time=").append(IntToString<10>(ProtobufTicket_.expirationtime()));
        for (const auto& scope : ProtobufTicket_.user().scopes()) {
            targetString.append(";scope=").append(scope);
        }

        if (ProtobufTicket_.user().defaultuid() > 0)
            targetString.append(";default_uid=").append(IntToString<10>(ProtobufTicket_.user().defaultuid()));
        for (const auto& user : ProtobufTicket_.user().users()) {
            targetString.append(";uid=").append(IntToString<10>(user.uid()));
        }

        targetString.append(";env=");
        EBlackboxEnv environment = static_cast<EBlackboxEnv>(ProtobufTicket_.user().env());
        targetString.append(GetBlackboxEnvAsString(environment));
        targetString.append(";");

        CachedDebugInfo_ = targetString;
        return targetString;
    }

    EBlackboxEnv TCheckedUserTicket::TImpl::GetEnv() const {
        return (EBlackboxEnv)ProtobufTicket_.user().env();
    }

    void TCheckedUserTicket::TImpl::SetStatus(ETicketStatus status) {
        Status_ = status;
    }

    TCheckedUserTicket::TImpl::TImpl(ETicketStatus status, ticket2::Ticket&& protobufTicket)
        : Status_(status)
        , ProtobufTicket_(std::move(protobufTicket))
    {
    }

    TUserTicketImplPtr TCheckedUserTicket::TImpl::CreateTicketForTests(ETicketStatus status,
                                                                       TUid defaultUid,
                                                                       TScopes scopes,
                                                                       TUids uids,
                                                                       EBlackboxEnv env) {
        auto prepareCont = [](auto& cont) {
            std::sort(cont.begin(), cont.end());
            cont.erase(std::unique(cont.begin(), cont.end()), cont.end());
        };
        auto erase = [](auto& cont, auto val) {
            auto it = std::find(cont.begin(), cont.end(), val);
            if (it != cont.end()) {
                cont.erase(it);
            }
        };

        prepareCont(scopes);
        erase(scopes, "");

        uids.push_back(defaultUid);
        prepareCont(uids);
        erase(uids, 0);
        Y_ENSURE(!uids.empty(), "User ticket cannot contain empty uid list");

        ticket2::Ticket proto;
        for (TUid uid : uids) {
            proto.mutable_user()->add_users()->set_uid(uid);
        }
        proto.mutable_user()->set_defaultuid(defaultUid);
        proto.mutable_user()->set_entrypoint(100500);
        for (TStringBuf scope : scopes) {
            proto.mutable_user()->add_scopes(TString(scope));
        }

        proto.mutable_user()->set_env((tvm_keys::BbEnvType)env);

        return MakeHolder<TImpl>(status, std::move(proto));
    }

    TUserContext::TImpl::TImpl(EBlackboxEnv env, TStringBuf tvmKeysResponse)
        : Env_(env)
    {
        ResetKeys(tvmKeysResponse);
    }

    void TUserContext::TImpl::ResetKeys(TStringBuf tvmKeysResponse) {
        tvm_keys::Keys protoKeys;
        if (!protoKeys.ParseFromString(TParserTvmKeys::ParseStrV1(tvmKeysResponse))) {
            ythrow TMalformedTvmKeysException() << "Malformed TVM keys";
        }

        NRw::TPublicKeys keys;
        for (int idx = 0; idx < protoKeys.bb_size(); ++idx) {
            const tvm_keys::BbKey& k = protoKeys.bb(idx);
            if (IsAllowed(k.env())) {
                keys.emplace(k.gen().id(),
                             k.gen().body());
            }
        }

        if (keys.empty()) {
            ythrow TEmptyTvmKeysException() << "Empty TVM keys";
        }

        Keys_ = std::move(keys);
    }

    TUserTicketImplPtr TUserContext::TImpl::Check(TStringBuf ticketBody) const {
        TParserTickets::TRes res = TParserTickets::ParseV3(ticketBody, Keys_, TParserTickets::UserFlag());
        ETicketStatus status = CheckProtobufUserTicket(res.Ticket);

        if (res.Status != ETicketStatus::Ok && !(res.Status == ETicketStatus::MissingKey && status == ETicketStatus::InvalidBlackboxEnv)) {
            status = res.Status;
        }
        return MakeHolder<TCheckedUserTicket::TImpl>(status, std::move(res.Ticket));
    }

    ETicketStatus TUserContext::TImpl::CheckProtobufUserTicket(const ticket2::Ticket& ticket) const {
        if (!ticket.has_user()) {
            return ETicketStatus::Malformed;
        }
        if (!IsAllowed(ticket.user().env())) {
            return ETicketStatus::InvalidBlackboxEnv;
        }
        return ETicketStatus::Ok;
    }

    const NRw::TPublicKeys& TUserContext::TImpl::GetKeys() const {
        return Keys_;
    }

    bool TUserContext::TImpl::IsAllowed(tvm_keys::BbEnvType env) const {
        if (env == tvm_keys::Prod && (Env_ == EBlackboxEnv::Prod || Env_ == EBlackboxEnv::Stress)) {
            return true;
        }
        if (env == tvm_keys::ProdYateam && Env_ == EBlackboxEnv::ProdYateam) {
            return true;
        }
        if (env == tvm_keys::Test && Env_ == EBlackboxEnv::Test) {
            return true;
        }
        if (env == tvm_keys::TestYateam && Env_ == EBlackboxEnv::TestYateam) {
            return true;
        }
        if (env == tvm_keys::Stress && Env_ == EBlackboxEnv::Stress) {
            return true;
        }

        return false;
    }
}