# Pyrogram - Telegram MTProto API Client Library for Python
# Copyright (C) 2017-2018 Dan Tès <https://github.com/delivrance>
#
# This file is part of Pyrogram.
#
# Pyrogram is free software: you can redistribute it and/or modify
# it under the terms of the GNU Lesser General Public License as published
# by the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# Pyrogram is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU Lesser General Public License for more details.
#
# You should have received a copy of the GNU Lesser General Public License
# along with Pyrogram.  If not, see <http://www.gnu.org/licenses/>.

from collections import namedtuple

PublicKey = namedtuple("PublicKey", ["m", "e"])


class RSA:
    # To get modulus and exponent:
    #
    # [RSA PUBLIC KEY]:
    # grep -v -- - public.key | tr -d \\n | base64 -d | openssl asn1parse -inform DER -i
    #
    # [PUBLIC KEY]:
    # openssl rsa -pubin -in key -text -noout

    server_public_keys = {
        # -4344800451088585951
        0xc3b42b026ce86b21 - (1 << 64): PublicKey(  # Telegram servers #1
            # -----BEGIN RSA PUBLIC KEY-----
            # MIIBCgKCAQEAwVACPi9w23mF3tBkdZz+zwrzKOaaQdr01vAbU4E1pvkfj4sqDsm6
            # lyDONS789sVoD/xCS9Y0hkkC3gtL1tSfTlgCMOOul9lcixlEKzwKENj1Yz/s7daS
            # an9tqw3bfUV/nqgbhGX81v/+7RFAEd+RwFnK7a+XYl9sluzHRyVVaTTveB2GazTw
            # Efzk2DWgkBluml8OREmvfraX3bkHZJTKX4EQSjBbbdJ2ZXIsRrYOXfaA+xayEGB+
            # 8hdlLmAjbCVfaigxX0CDqWeR1yFL9kwd9P0NsZRPsmoqVwMbMu7mStFai6aIhc3n
            # Slv8kg9qv1m6XHVQY3PnEw+QQtqSIXklHwIDAQAB
            # -----END RSA PUBLIC KEY-----
            int(
                "C150023E2F70DB7985DED064759CFECF0AF328E69A41DAF4D6F01B538135A6F9"
                "1F8F8B2A0EC9BA9720CE352EFCF6C5680FFC424BD634864902DE0B4BD6D49F4E"
                "580230E3AE97D95C8B19442B3C0A10D8F5633FECEDD6926A7F6DAB0DDB7D457F"
                "9EA81B8465FCD6FFFEED114011DF91C059CAEDAF97625F6C96ECC74725556934"
                "EF781D866B34F011FCE4D835A090196E9A5F0E4449AF7EB697DDB9076494CA5F"
                "81104A305B6DD27665722C46B60E5DF680FB16B210607EF217652E60236C255F"
                "6A28315F4083A96791D7214BF64C1DF4FD0DB1944FB26A2A57031B32EEE64AD1"
                "5A8BA68885CDE74A5BFC920F6ABF59BA5C75506373E7130F9042DA922179251F",
                16
            ),  # Modulus
            int("010001", 16)  # Exponent
        ),

        # 847625836280919973
        0x10bc35f3509f7b7a5 - (1 << 64): PublicKey(  # Telegram servers #2
            # -----BEGIN PUBLIC KEY-----
            # MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAruw2yP/BCcsJliRoW5eB
            # VBVle9dtjJw+OYED160Wybum9SXtBBLXriwt4rROd9csv0t0OHCaTmRqBcQ0J8fx
            # hN6/cpR1GWgOZRUAiQxoMnlt0R93LCX/j1dnVa/gVbCjdSxpbrfY2g2L4frzjJvd
            # l84Kd9ORYjDEAyFnEA7dD556OptgLQQ2e2iVNq8NZLYTzLp5YpOdO1doK+ttrltg
            # gTCy5SrKeLoCPPbOgGsdxJxyz5KKcZnSLj16yE5HvJQn0CNpRdENvRUXe6tBP78O
            # 39oJ8BTHp9oIjd6XWXAsp2CvK45Ol8wFXGF710w9lwCGNbmNxNYhtIkdqfsEcwR5
            # JwIDAQAB
            # -----END PUBLIC KEY-----
            int(
                "AEEC36C8FFC109CB099624685B97815415657BD76D8C9C3E398103D7AD16C9BB"
                "A6F525ED0412D7AE2C2DE2B44E77D72CBF4B7438709A4E646A05C43427C7F184"
                "DEBF72947519680E651500890C6832796DD11F772C25FF8F576755AFE055B0A3"
                "752C696EB7D8DA0D8BE1FAF38C9BDD97CE0A77D3916230C4032167100EDD0F9E"
                "7A3A9B602D04367B689536AF0D64B613CCBA7962939D3B57682BEB6DAE5B6081"
                "30B2E52ACA78BA023CF6CE806B1DC49C72CF928A7199D22E3D7AC84E47BC9427"
                "D0236945D10DBD15177BAB413FBF0EDFDA09F014C7A7DA088DDE9759702CA760"
                "AF2B8E4E97CC055C617BD74C3D97008635B98DC4D621B4891DA9FB0473047927",
                16
            ),  # Modulus
            int("010001", 16)  # Exponent
        ),

        # 1562291298945373506
        0x115ae5fa8b5529542 - (1 << 64): PublicKey(  # Telegram servers #3
            # -----BEGIN PUBLIC KEY-----
            # MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAvfLHfYH2r9R70w8prHbl
            # Wt/nDkh+XkgpflqQVcnAfSuTtO05lNPspQmL8Y2XjVT4t8cT6xAkdgfmmvnvRPOO
            # KPi0OfJXoRVylFzAQG/j83u5K3kRLbae7fLccVhKZhY46lvsueI1hQdLgNV9n1cQ
            # 3TDS2pQOCtovG4eDl9wacrXOJTG2990VjgnIKNA0UMoP+KF03qzryqIt3oTvZq03
            # DyWdGK+AZjgBLaDKSnC6qD2cFY81UryRWOab8zKkWAnhw2kFpcqhI0jdV5QaSCEx
            # vnsjVaX0Y1N0870931/5Jb9ICe4nweZ9kSDF/gip3kWLG0o8XQpChDfyvsqB9OLV
            # /wIDAQAB
            # -----END PUBLIC KEY-----
            int(
                "BDF2C77D81F6AFD47BD30F29AC76E55ADFE70E487E5E48297E5A9055C9C07D2B"
                "93B4ED3994D3ECA5098BF18D978D54F8B7C713EB10247607E69AF9EF44F38E28"
                "F8B439F257A11572945CC0406FE3F37BB92B79112DB69EEDF2DC71584A661638"
                "EA5BECB9E23585074B80D57D9F5710DD30D2DA940E0ADA2F1B878397DC1A72B5"
                "CE2531B6F7DD158E09C828D03450CA0FF8A174DEACEBCAA22DDE84EF66AD370F"
                "259D18AF806638012DA0CA4A70BAA83D9C158F3552BC9158E69BF332A45809E1"
                "C36905A5CAA12348DD57941A482131BE7B2355A5F4635374F3BD3DDF5FF925BF"
                "4809EE27C1E67D9120C5FE08A9DE458B1B4A3C5D0A428437F2BECA81F4E2D5FF",
                16
            ),  # Modulus
            int("010001", 16)  # Exponent
        ),

        # -5859577972006586033
        0xaeae98e13cd7f94f - (1 << 64): PublicKey(  # Telegram servers #4
            # -----BEGIN PUBLIC KEY-----
            # MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAs/ditzm+mPND6xkhzwFI
            # z6J/968CtkcSE/7Z2qAJiXbmZ3UDJPGrzqTDHkO30R8VeRM/Kz2f4nR05GIFiITl
            # 4bEjvpy7xqRDspJcCFIOcyXm8abVDhF+th6knSU0yLtNKuQVP6voMrnt9MV1X92L
            # GZQLgdHZbPQz0Z5qIpaKhdyA8DEvWWvSUwwc+yi1/gGaybwlzZwqXYoPOhwMebzK
            # Uk0xW14htcJrRrq+PXXQbRzTMynseCoPIoke0dtCodbA3qQxQovE16q9zz4Otv2k
            # 4j63cz53J+mhkVWAeWxVGI0lltJmWtEYK6er8VqqWot3nqmWMXogrgRLggv/Nbbo
            # oQIDAQAB
            # -----END PUBLIC KEY-----
            int(
                "B3F762B739BE98F343EB1921CF0148CFA27FF7AF02B6471213FED9DAA0098976"
                "E667750324F1ABCEA4C31E43B7D11F1579133F2B3D9FE27474E462058884E5E1"
                "B123BE9CBBC6A443B2925C08520E7325E6F1A6D50E117EB61EA49D2534C8BB4D"
                "2AE4153FABE832B9EDF4C5755FDD8B19940B81D1D96CF433D19E6A22968A85DC"
                "80F0312F596BD2530C1CFB28B5FE019AC9BC25CD9C2A5D8A0F3A1C0C79BCCA52"
                "4D315B5E21B5C26B46BABE3D75D06D1CD33329EC782A0F22891ED1DB42A1D6C0"
                "DEA431428BC4D7AABDCF3E0EB6FDA4E23EB7733E7727E9A1915580796C55188D"
                "2596D2665AD1182BA7ABF15AAA5A8B779EA996317A20AE044B820BFF35B6E8A1",
                16
            ),  # Modulus
            int("010001", 16)  # Exponent
        ),

        # 6491968696586960280
        0x15a181b2235057d98 - (1 << 64): PublicKey(  # Telegram servers #5
            # -----BEGIN PUBLIC KEY-----
            # MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAvmpxVY7ld/8DAjz6F6q0
            # 5shjg8/4p6047bn6/m8yPy1RBsvIyvuDuGnP/RzPEhzXQ9UJ5Ynmh2XJZgHoE9xb
            # nfxL5BXHplJhMtADXKM9bWB11PU1Eioc3+AXBB8QiNFBn2XI5UkO5hPhbb9mJpjA
            # 9Uhw8EdfqJP8QetVsI/xrCEbwEXe0xvifRLJbY08/Gp66KpQvy7g8w7VB8wlgePe
            # xW3pT13Ap6vuC+mQuJPyiHvSxjEKHgqePji9NP3tJUFQjcECqcm0yV7/2d0t/pbC
            # m+ZH1sadZspQCEPPrtbkQBlvHb4OLiIWPGHKSMeRFvp3IWcmdJqXahxLCUS1Eh6M
            # AQIDAQAB
            # -----END PUBLIC KEY-----
            int(
                "BE6A71558EE577FF03023CFA17AAB4E6C86383CFF8A7AD38EDB9FAFE6F323F2D"
                "5106CBC8CAFB83B869CFFD1CCF121CD743D509E589E68765C96601E813DC5B9D"
                "FC4BE415C7A6526132D0035CA33D6D6075D4F535122A1CDFE017041F1088D141"
                "9F65C8E5490EE613E16DBF662698C0F54870F0475FA893FC41EB55B08FF1AC21"
                "1BC045DED31BE27D12C96D8D3CFC6A7AE8AA50BF2EE0F30ED507CC2581E3DEC5"
                "6DE94F5DC0A7ABEE0BE990B893F2887BD2C6310A1E0A9E3E38BD34FDED254150"
                "8DC102A9C9B4C95EFFD9DD2DFE96C29BE647D6C69D66CA500843CFAED6E44019"
                "6F1DBE0E2E22163C61CA48C79116FA77216726749A976A1C4B0944B5121E8C01",
                16
            ),  # Modulus
            int("010001", 16)  # Exponent
        ),

        # 6427105915145367799
        0x15931aac70e0d30f7 - (1 << 64): PublicKey(  # CDN DC-121
            # -----BEGIN RSA PUBLIC KEY-----
            # MIIBCgKCAQEA+Lf3PvgE1yxbJUCMaEAkV0QySTVpnaDjiednB5RbtNWjCeqSVakY
            # HbqqGMIIv5WCGdFdrqOfMNcNSstPtSU6R9UmRw6tquOIykpSuUOje9H+4XVIKquj
            # yL2ISdK+4ZOMl4hCMkqauw4bP1Sbr03vZRQbU6qEA04V4j879BAyBVhr3WG9+Zi+
            # t5XfGSTgSExPYEl8rZNHYNV5RB+BuroVH2HLTOpT/mJVfikYpgjfWF5ldezV4Wo9
            # LSH0cZGSFIaeJl8d0A8Eiy5B9gtBO8mL+XfQRKOOmr7a4BM4Ro2de5rr2i2od7hY
            # Xd3DO9FRSl4y1zA8Am48Rfd95WHF3N/OmQIDAQAB
            # -----END RSA PUBLIC KEY-----
            int(
                "F8B7F73EF804D72C5B25408C6840245744324935699DA0E389E76707945BB4D5"
                "A309EA9255A9181DBAAA18C208BF958219D15DAEA39F30D70D4ACB4FB5253A47"
                "D526470EADAAE388CA4A52B943A37BD1FEE175482AABA3C8BD8849D2BEE1938C"
                "978842324A9ABB0E1B3F549BAF4DEF65141B53AA84034E15E23F3BF410320558"
                "6BDD61BDF998BEB795DF1924E0484C4F60497CAD934760D579441F81BABA151F"
                "61CB4CEA53FE62557E2918A608DF585E6575ECD5E16A3D2D21F471919214869E"
                "265F1DD00F048B2E41F60B413BC98BF977D044A38E9ABEDAE01338468D9D7B9A"
                "EBDA2DA877B8585DDDC33BD1514A5E32D7303C026E3C45F77DE561C5DCDFCE99",
                16
            ),  # Modulus
            int("010001", 16)  # Exponent
        ),

        # 2685959930972952888
        0x1254672538e935938 - (1 << 64): PublicKey(  # CDN DC-140
            # -----BEGIN RSA PUBLIC KEY-----
            # MIIBCgKCAQEAzuHVC7sE50Kho/yDVZtWnlmA5Bf/aM8KZY3WzS16w6w1sBqipj8o
            # gMGG7ULbGBtYmKEaI7IIJO6WM2m1MaXVnsqS8d7PaGAZiy8rSN3S7S2a8wp4RXZe
            # hs0JAXvZeIz45iByCMBfycbJKmSweYkesRUI7hUO8eQhmm/UYUEpJY7VOt0Iemiu
            # URSpqlRQ2FlcyHahYUNcvbICb4+/AP7coKBn6cB5FyzM7MCcKxbEKOx3Y3MUnbZq
            # q5pN6/eRazkegyrlp4kuJ94KsbRFHFX5Dx8uzjrO9wi8LF7gIgZu5DRMcmjXJKq6
            # rGZ2Z9cnrD8pVu1L2vcInd4K6ximZS2hbwIDAQAB
            # -----END RSA PUBLIC KEY-----
            int(
                "CEE1D50BBB04E742A1A3FC83559B569E5980E417FF68CF0A658DD6CD2D7AC3AC"
                "35B01AA2A63F2880C186ED42DB181B5898A11A23B20824EE963369B531A5D59E"
                "CA92F1DECF6860198B2F2B48DDD2ED2D9AF30A7845765E86CD09017BD9788CF8"
                "E6207208C05FC9C6C92A64B079891EB11508EE150EF1E4219A6FD4614129258E"
                "D53ADD087A68AE5114A9AA5450D8595CC876A161435CBDB2026F8FBF00FEDCA0"
                "A067E9C079172CCCECC09C2B16C428EC776373149DB66AAB9A4DEBF7916B391E"
                "832AE5A7892E27DE0AB1B4451C55F90F1F2ECE3ACEF708BC2C5EE022066EE434"
                "4C7268D724AABAAC667667D727AC3F2956ED4BDAF7089DDE0AEB18A6652DA16F",
                16
            ),  # Modulus
            int("010001", 16)  # Exponent
        )
    }

    @classmethod
    def encrypt(cls, data: bytes, fingerprint: int) -> bytes:
        return int.to_bytes(
            pow(
                int.from_bytes(data, "big"),
                cls.server_public_keys[fingerprint].e,
                cls.server_public_keys[fingerprint].m
            ),
            256,
            "big"
        )