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Validate text version instead, throw Errors

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This commit is contained in:
Carlo Nucera 2020-06-02 16:20:22 -04:00
parent a5cdf1867e
commit 78f137e931
1 changed files with 9 additions and 9 deletions
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18
src/libstore/content-address.cc
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@ -45,26 +45,26 @@ ContentAddress parseContentAddress(std::string_view rawCa) {
auto prefix = string(rawCa, 0, prefixSeparator);
if (prefix == "text") {
auto hashTypeAndHash = rawCa.substr(prefixSeparator+1, string::npos);
return TextHash { Hash(string(hashTypeAndHash)) };
Hash hash = Hash(string(hashTypeAndHash));
if (hash.type != HashType::SHA256) {
throw Error("parseContentAddress: the text hash should have type SHA256");
}
return TextHash { hash };
} else if (prefix == "fixed") {
// This has to be an inverse to makeFixedOutputCA
auto methodAndHash = rawCa.substr(prefixSeparator+1, string::npos);
if (methodAndHash.substr(0,2) == "r:") {
std::string_view hashRaw = methodAndHash.substr(2,string::npos);
Hash hash = Hash(string(hashRaw));
assert(hash.type == HashType::SHA256);
return FileSystemHash { FileIngestionMethod::Recursive, hash };
return FileSystemHash { FileIngestionMethod::Recursive, Hash(string(hashRaw)) };
} else {
std::string_view hashRaw = methodAndHash;
Hash hash = Hash(string(hashRaw));
assert(hash.type == HashType::SHA256);
return FileSystemHash { FileIngestionMethod::Flat, hash };
return FileSystemHash { FileIngestionMethod::Flat, Hash(string(hashRaw)) };
}
} else {
throw "parseContentAddress: format not recognized; has to be text or fixed";
throw Error("parseContentAddress: format not recognized; has to be text or fixed");
}
} else {
throw "Not a content address because it lacks an appropriate prefix";
throw Error("Not a content address because it lacks an appropriate prefix");
}
};