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/*
Hockeypuck - OpenPGP key server
Copyright (C) 2012-2014 Casey Marshall
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU Affero General Public License as published by
the Free Software Foundation, version 3.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU Affero General Public License for more details.
You should have received a copy of the GNU Affero General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
package openpgp
import (
"fmt"
"github.com/jmoiron/sqlx"
"launchpad.net/hockeypuck/util"
)
type Loader struct {
db *DB
tx *sqlx.Tx
bulk bool
}
func NewLoader(db *DB, bulk bool) *Loader {
return &Loader{db: db, bulk: bulk}
}
func (l *Loader) Begin() (_ *sqlx.Tx, err error) {
l.tx, err = l.db.Beginx()
return l.tx, err
}
func (l *Loader) Commit() (err error) {
if err = l.tx.Commit(); err != nil {
return
}
return
}
func (l *Loader) Rollback() (err error) {
err = l.tx.Rollback()
return
}
func (l *Loader) InsertKey(pubkey *Pubkey) (err error) {
var signable PacketRecord
err = pubkey.Visit(func(rec PacketRecord) error {
switch r := rec.(type) {
case *Pubkey:
if err := l.insertPubkey(r); err != nil {
return err
}
signable = r
case *Subkey:
if err := l.insertSubkey(pubkey, r); err != nil {
return err
}
signable = r
case *UserId:
if err := l.insertUid(pubkey, r); err != nil {
return err
}
signable = r
case *UserAttribute:
if err := l.insertUat(pubkey, r); err != nil {
return err
}
signable = r
case *Signature:
if err := l.insertSig(pubkey, r); err != nil {
return err
}
if err := l.insertSigRelations(pubkey, signable, r); err != nil {
return err
}
}
return nil
})
return err
}
// insertSelectFrom completes an INSERT INTO .. SELECT FROM
// SQL statement based on the loader's bulk loading mode.
func (l *Loader) insertSelectFrom(sql, table, where string) string {
if !l.bulk {
sql = fmt.Sprintf("%s WHERE NOT EXISTS (SELECT 1 FROM %s WHERE %s)",
sql, table, where)
}
return sql
}
func (l *Loader) insertPubkey(r *Pubkey) error {
_, err := l.tx.Execv(l.insertSelectFrom(`
INSERT INTO openpgp_pubkey (
uuid, creation, expiration, state, packet,
ctime, mtime,
md5, sha256, revsig_uuid, primary_uid, primary_uat,
algorithm, bit_len, unsupp)
SELECT $1, $2, $3, $4, $5,
now(), now(),
$6, $7, $8, $9, $10,
$11, $12, $13`,
"openpgp_pubkey", "uuid = $1"),
r.RFingerprint, r.Creation, r.Expiration, r.State, r.Packet,
// TODO: use mtime and ctime from record, or use RETURNING to set it
r.Md5, r.Sha256, r.RevSigDigest, r.PrimaryUid, r.PrimaryUat,
r.Algorithm, r.BitLen, r.Unsupported)
return err
}
func (l *Loader) insertSubkey(pubkey *Pubkey, r *Subkey) error {
_, err := l.tx.Execv(l.insertSelectFrom(`
INSERT INTO openpgp_subkey (
uuid, creation, expiration, state, packet,
pubkey_uuid, revsig_uuid, algorithm, bit_len)
SELECT $1, $2, $3, $4, $5,
$6, $7, $8, $9`,
"openpgp_subkey", "uuid = $1"),
r.RFingerprint, r.Creation, r.Expiration, r.State, r.Packet,
pubkey.RFingerprint, r.RevSigDigest, r.Algorithm, r.BitLen)
return err
}
func (l *Loader) insertUid(pubkey *Pubkey, r *UserId) error {
_, err := l.tx.Execv(l.insertSelectFrom(`
INSERT INTO openpgp_uid (
uuid, creation, expiration, state, packet,
pubkey_uuid, revsig_uuid, keywords, keywords_fulltext)
SELECT $1, $2, $3, $4, $5,
$6, $7, $8, to_tsvector($8)`,
"openpgp_uid", "uuid = $1"),
r.ScopedDigest, r.Creation, r.Expiration, r.State, r.Packet,
pubkey.RFingerprint, r.RevSigDigest, util.CleanUtf8(r.Keywords))
return err
}
func (l *Loader) insertUat(pubkey *Pubkey, r *UserAttribute) error {
_, err := l.tx.Execv(l.insertSelectFrom(`
INSERT INTO openpgp_uat (
uuid, creation, expiration, state, packet,
pubkey_uuid, revsig_uuid)
SELECT $1, $2, $3, $4, $5,
$6, $7`,
"openpgp_uat", "uuid = $1"),
r.ScopedDigest, r.Creation, r.Expiration, r.State, r.Packet,
pubkey.RFingerprint, r.RevSigDigest)
return err
}
func (l *Loader) insertSig(pubkey *Pubkey, r *Signature) error {
_, err := l.tx.Execv(l.insertSelectFrom(`
INSERT INTO openpgp_sig (
uuid, creation, expiration, state, packet,
sig_type, signer, signer_uuid)
SELECT $1, $2, $3, $4, $5, $6, $7, $8`,
"openpgp_sig", "uuid = $1"),
r.ScopedDigest, r.Creation, r.Expiration, r.State, r.Packet,
r.SigType, r.RIssuerKeyId, r.RIssuerFingerprint)
// TODO: use RETURNING to update matched issuer fingerprint
return err
}
func (l *Loader) insertSigRelations(pubkey *Pubkey, signable PacketRecord, r *Signature) error {
sigRelationUuid, err := NewUuid()
if err != nil {
return err
}
// Add signature relation to other packets
switch signed := signable.(type) {
case *Pubkey:
_, err = l.tx.Execv(l.insertSelectFrom(`
INSERT INTO openpgp_pubkey_sig (uuid, pubkey_uuid, sig_uuid)
SELECT $1, $2, $3`,
"openpgp_pubkey_sig", "pubkey_uuid = $2 AND sig_uuid = $3"),
sigRelationUuid, signed.RFingerprint, r.ScopedDigest)
case *Subkey:
_, err = l.tx.Execv(l.insertSelectFrom(`
INSERT INTO openpgp_subkey_sig (uuid, pubkey_uuid, subkey_uuid, sig_uuid)
SELECT $1, $2, $3, $4`,
"openpgp_subkey_sig", "pubkey_uuid = $2 AND subkey_uuid = $3 AND sig_uuid = $4"),
sigRelationUuid, pubkey.RFingerprint,
signed.RFingerprint, r.ScopedDigest)
case *UserId:
_, err = l.tx.Execv(l.insertSelectFrom(`
INSERT INTO openpgp_uid_sig (uuid, pubkey_uuid, uid_uuid, sig_uuid)
SELECT $1, $2, $3, $4`,
"openpgp_uid_sig", "pubkey_uuid = $2 AND uid_uuid = $3 AND sig_uuid = $4"),
sigRelationUuid, pubkey.RFingerprint,
signed.ScopedDigest, r.ScopedDigest)
case *UserAttribute:
_, err = l.tx.Execv(l.insertSelectFrom(`
INSERT INTO openpgp_uat_sig (uuid, pubkey_uuid, uat_uuid, sig_uuid)
SELECT $1, $2, $3, $4`,
"openpgp_uat_sig", "pubkey_uuid = $2 AND uat_uuid = $3 AND sig_uuid = $4"),
sigRelationUuid, pubkey.RFingerprint,
signed.ScopedDigest, r.ScopedDigest)
}
return err
}
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