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Merge pull request #7599 from obsidiansystems/move-path-info-definitions

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Move `ValidPathInfo` defintions to `path-info.cc`
This commit is contained in:
Robert Hensing 2023-01-14 11:54:57 +01:00 committed by GitHub
commit 2e41ae9f93
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GPG Key ID: 4AEE18F83AFDEB23
2 changed files with 75 additions and 73 deletions
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75
src/libstore/path-info.cc
View File

@ -3,6 +3,80 @@
namespace nix {
std::string ValidPathInfo::fingerprint(const Store & store) const
{
if (narSize == 0)
throw Error("cannot calculate fingerprint of path '%s' because its size is not known",
store.printStorePath(path));
return
"1;" + store.printStorePath(path) + ";"
+ narHash.to_string(Base32, true) + ";"
+ std::to_string(narSize) + ";"
+ concatStringsSep(",", store.printStorePathSet(references));
}
void ValidPathInfo::sign(const Store & store, const SecretKey & secretKey)
{
sigs.insert(secretKey.signDetached(fingerprint(store)));
}
bool ValidPathInfo::isContentAddressed(const Store & store) const
{
if (! ca) return false;
auto caPath = std::visit(overloaded {
[&](const TextHash & th) {
return store.makeTextPath(path.name(), th.hash, references);
},
[&](const FixedOutputHash & fsh) {
auto refs = references;
bool hasSelfReference = false;
if (refs.count(path)) {
hasSelfReference = true;
refs.erase(path);
}
return store.makeFixedOutputPath(fsh.method, fsh.hash, path.name(), refs, hasSelfReference);
}
}, *ca);
bool res = caPath == path;
if (!res)
printError("warning: path '%s' claims to be content-addressed but isn't", store.printStorePath(path));
return res;
}
size_t ValidPathInfo::checkSignatures(const Store & store, const PublicKeys & publicKeys) const
{
if (isContentAddressed(store)) return maxSigs;
size_t good = 0;
for (auto & sig : sigs)
if (checkSignature(store, publicKeys, sig))
good++;
return good;
}
bool ValidPathInfo::checkSignature(const Store & store, const PublicKeys & publicKeys, const std::string & sig) const
{
return verifyDetached(fingerprint(store), sig, publicKeys);
}
Strings ValidPathInfo::shortRefs() const
{
Strings refs;
for (auto & r : references)
refs.push_back(std::string(r.to_string()));
return refs;
}
ValidPathInfo ValidPathInfo::read(Source & source, const Store & store, unsigned int format)
{
return read(source, store, format, store.parseStorePath(readString(source)));
@ -24,6 +98,7 @@ ValidPathInfo ValidPathInfo::read(Source & source, const Store & store, unsigned
return info;
}
void ValidPathInfo::write(
Sink & sink,
const Store & store,

73
src/libstore/store-api.cc
View File

@ -1210,79 +1210,6 @@ std::string showPaths(const PathSet & paths)
}
std::string ValidPathInfo::fingerprint(const Store & store) const
{
if (narSize == 0)
throw Error("cannot calculate fingerprint of path '%s' because its size is not known",
store.printStorePath(path));
return
"1;" + store.printStorePath(path) + ";"
+ narHash.to_string(Base32, true) + ";"
+ std::to_string(narSize) + ";"
+ concatStringsSep(",", store.printStorePathSet(references));
}
void ValidPathInfo::sign(const Store & store, const SecretKey & secretKey)
{
sigs.insert(secretKey.signDetached(fingerprint(store)));
}
bool ValidPathInfo::isContentAddressed(const Store & store) const
{
if (! ca) return false;
auto caPath = std::visit(overloaded {
[&](const TextHash & th) {
return store.makeTextPath(path.name(), th.hash, references);
},
[&](const FixedOutputHash & fsh) {
auto refs = references;
bool hasSelfReference = false;
if (refs.count(path)) {
hasSelfReference = true;
refs.erase(path);
}
return store.makeFixedOutputPath(fsh.method, fsh.hash, path.name(), refs, hasSelfReference);
}
}, *ca);
bool res = caPath == path;
if (!res)
printError("warning: path '%s' claims to be content-addressed but isn't", store.printStorePath(path));
return res;
}
size_t ValidPathInfo::checkSignatures(const Store & store, const PublicKeys & publicKeys) const
{
if (isContentAddressed(store)) return maxSigs;
size_t good = 0;
for (auto & sig : sigs)
if (checkSignature(store, publicKeys, sig))
good++;
return good;
}
bool ValidPathInfo::checkSignature(const Store & store, const PublicKeys & publicKeys, const std::string & sig) const
{
return verifyDetached(fingerprint(store), sig, publicKeys);
}
Strings ValidPathInfo::shortRefs() const
{
Strings refs;
for (auto & r : references)
refs.push_back(std::string(r.to_string()));
return refs;
}
Derivation Store::derivationFromPath(const StorePath & drvPath)
{
ensurePath(drvPath);