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verify jump link for valid characters

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orignal 2023-10-29 22:11:38 -04:00
parent c8ae15041f
commit 3286bdb4a7
4 changed files with 60 additions and 13 deletions
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20
libi2pd_client/AddressBook.cpp
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@ -1,5 +1,5 @@
/*
* Copyright (c) 2013-2022, The PurpleI2P Project
* Copyright (c) 2013-2023, The PurpleI2P Project
*
* This file is part of Purple i2pd project and licensed under BSD3
*
@ -403,10 +403,20 @@ namespace client
if (!addr)
return false;
i2p::data::IdentityEx ident;
if (ident.FromBase64 (jump) && ident.GetIdentHash () == addr->identHash)
return true;
auto pos = jump.find(".b32.i2p");
if (pos != std::string::npos)
{
i2p::data::IdentHash identHash;
if (identHash.FromBase32(jump.substr (0, pos)) && identHash == addr->identHash)
return true;
}
else
{
i2p::data::IdentityEx ident;
if (ident.FromBase64 (jump) && ident.GetIdentHash () == addr->identHash)
return true;
}
return false;
}