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// file : bpkg/rep-info.cxx -*- C++ -*-
// copyright : Copyright (c) 2014-2017 Code Synthesis Ltd
// license : MIT; see accompanying LICENSE file
#include <bpkg/rep-info>
#include <iostream> // cout
#include <butl/sha256> // sha256_to_fingerprint()
#include <butl/manifest-serializer>
#include <bpkg/manifest>
#include <bpkg/auth>
#include <bpkg/fetch>
#include <bpkg/package>
#include <bpkg/diagnostics>
#include <bpkg/manifest-utility>
using namespace std;
using namespace butl;
namespace bpkg
{
int
rep_info (const rep_info_options& o, cli::scanner& args)
{
tracer trace ("rep_info");
if (!args.more ())
fail << "repository location argument expected" <<
info << "run 'bpkg help rep-info' for more information";
repository_location rl (parse_location (args.next ()));
// Fetch everything we will need before printing anything. Ignore
// unknown manifest entries unless we are dumping them. First fetch
// the repositories list and authenticate the base's certificate.
//
pair<repository_manifests, string/*checksum*/> rmc (
fetch_repositories (o, rl, !o.manifest ()));
repository_manifests& rms (rmc.first);
bool a (o.auth () != auth::none &&
(o.auth () == auth::all || rl.remote ()));
const optional<string> cert_pem (rms.back ().certificate);
shared_ptr<const certificate> cert;
if (a)
{
dir_path d (o.directory ());
cert = authenticate_certificate (
o,
o.directory_specified () && d.empty () ? nullptr : &d,
cert_pem,
rl);
a = !cert->dummy ();
}
// Now fetch the packages list and make sure it matches the repositories
// we just fetched.
//
pair<package_manifests, string/*checksum*/> pmc (
fetch_packages (o, rl, !o.manifest ()));
package_manifests& pms (pmc.first);
if (rmc.second != pms.sha256sum)
fail << "repositories manifest file checksum mismatch for "
<< rl.canonical_name () <<
info << "try again";
if (a)
{
signature_manifest sm (fetch_signature (o, rl, true));
if (sm.sha256sum != pmc.second)
fail << "packages manifest file checksum mismatch for "
<< rl.canonical_name () <<
info << "try again";
dir_path d (o.directory ());
assert (cert != nullptr);
authenticate_repository (
o,
o.directory_specified () && d.empty () ? nullptr : &d,
cert_pem,
*cert,
sm,
rl);
}
// Now print.
//
bool cert_info (o.cert_fingerprint () ||
o.cert_name () ||
o.cert_organization () ||
o.cert_email ());
bool all (!o.name () &&
!o.repositories () &&
!o.packages () &&
!cert_info);
try
{
cout.exceptions (ostream::badbit | ostream::failbit);
if (all || o.name ())
cout << rl.canonical_name () << " " << rl << endl;
// Certificate.
//
if (all || cert_info)
{
if (cert_pem)
{
// Repository is signed. If we got the repository certificate as the
// result of authentication then use it for printing as well.
// Otherwise parse it's PEM representation.
//
if (cert == nullptr)
cert = parse_certificate (o, *cert_pem, rl);
else
assert (!cert->dummy ());
}
else if (cert != nullptr)
{
// Reset the dummy certificate pointer that we got as a result of
// the unsigned repository authentication.
//
assert (cert->dummy ());
cert = nullptr;
}
if (all)
{
// Print in the human-friendly format (nothing for an unsigned
// repository).
//
if (cert != nullptr)
cout << "CN=" << cert->name << "/O=" << cert->organization <<
"/" << cert->email << endl
<< sha256_to_fingerprint (cert->fingerprint) << endl;
}
else
{
// Print in the structured format if any of --cert-* options are
// specified. Print empty lines for an unsigned repository.
//
if (o.cert_fingerprint ())
{
if (cert != nullptr)
cout << sha256_to_fingerprint (cert->fingerprint);
cout << endl;
}
if (o.cert_name ())
{
if (cert != nullptr)
cout << "name:" << cert->name;
cout << endl;
}
if (o.cert_organization ())
{
if (cert != nullptr)
cout << cert->organization;
cout << endl;
}
if (o.cert_email ())
{
if (cert != nullptr)
cout << cert->email;
cout << endl;
}
}
}
// Repositories.
//
if (all || o.repositories ())
{
if (o.manifest ())
{
manifest_serializer s (cout, "STDOUT");
rms.serialize (s);
}
else
{
for (const repository_manifest& rm: rms)
{
repository_role rr (rm.effective_role ());
if (rr == repository_role::base)
continue; // Entry for this repository.
repository_location l (rm.location, rl); // Complete.
const string& n (l.canonical_name ());
switch (rr)
{
case repository_role::complement:
cout << "complement " << n << " " << l << endl;
break;
case repository_role::prerequisite:
cout << "prerequisite " << n << " " << l << endl;
break;
case repository_role::base:
assert (false);
}
}
}
}
// Packages.
//
if (all || o.packages ())
{
if (o.manifest ())
{
manifest_serializer s (cout, "STDOUT");
pms.serialize (s);
}
else
{
// Separate package list from the general repository info.
//
cout << endl;
for (const package_manifest& pm: pms)
cout << pm.name << "/" << pm.version << endl;
}
}
}
catch (const manifest_serialization& e)
{
fail << "unable to serialize manifest: " << e.description;
}
catch (const io_error&)
{
fail << "unable to write to STDOUT";
}
return 0;
}
}
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