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Record trusted/untrusted settings in ~/.local/share/nix

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This commit is contained in:
Eelco Dolstra 2020-11-26 13:11:07 +01:00
parent 0287f83057
commit 9a586e34ac
1 changed files with 45 additions and 2 deletions
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45
src/libexpr/flake/flake.cc
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@ -6,6 +6,8 @@
#include "fetchers.hh"
#include "finally.hh"
#include <nlohmann/json.hpp>
namespace nix {
using namespace flake;
@ -635,6 +637,27 @@ Fingerprint LockedFlake::getFingerprint() const
Flake::~Flake() { }
// setting name -> setting value -> allow or ignore.
typedef std::map<std::string, std::map<std::string, bool>> TrustedList;
Path trustedListPath()
{
return getDataDir() + "/nix/trusted-settings.json";
}
static TrustedList readTrustedList()
{
auto path = trustedListPath();
if (!pathExists(path)) return {};
auto json = nlohmann::json::parse(readFile(path));
return json;
}
static void writeTrustedList(const TrustedList & trustedList)
{
writeFile(trustedListPath(), nlohmann::json(trustedList).dump());
}
void ConfigFile::apply()
{
std::set<std::string> whitelist{"bash-prompt", "bash-prompt-suffix"};
@ -657,8 +680,28 @@ void ConfigFile::apply()
assert(false);
if (!whitelist.count(baseName)) {
auto trustedList = readTrustedList();
bool trusted = false;
if (auto saved = get(get(trustedList, name).value_or(std::map<std::string, bool>()), valueS)) {
trusted = *saved;
} else {
// FIXME: filter ANSI escapes, newlines, \r, etc.
if (std::tolower(logger->ask(fmt("do you want to allow configuration setting '%s' to be set to '%s' (y/N)?", name, valueS)).value_or('n')) != 'y') {
if (std::tolower(logger->ask(fmt("do you want to allow configuration setting '%s' to be set to '" ANSI_RED "%s" ANSI_NORMAL "' (y/N)?", name, valueS)).value_or('n')) != 'y') {
if (std::tolower(logger->ask("do you want to permanently mark this value as untrusted (y/N)?").value_or('n')) == 'y') {
trustedList[name][valueS] = false;
writeTrustedList(trustedList);
}
} else {
if (std::tolower(logger->ask("do you want to permanently mark this value as trusted (y/N)?").value_or('n')) == 'y') {
trustedList[name][valueS] = trusted = true;
writeTrustedList(trustedList);
}
}
}
if (!trusted) {
warn("ignoring untrusted flake configuration setting '%s'", name);
continue;
}