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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,154 @@ | ||
| // Copyright (c) Abstract Machines | ||
| // SPDX-License-Identifier: Apache-2.0 | ||
|
|
||
| package postgres | ||
|
|
||
| import ( | ||
| "context" | ||
| "database/sql" | ||
| "fmt" | ||
|
|
||
| "github.com/absmach/certs" | ||
| "github.com/absmach/certs/errors" | ||
| "github.com/absmach/certs/internal/postgres" | ||
| "github.com/jackc/pgx/v5/pgconn" | ||
| ) | ||
|
|
||
| // Postgres error codes: | ||
| // https://www.postgresql.org/docs/current/errcodes-appendix.html | ||
| const ( | ||
| errDuplicate = "23505" // unique_violation | ||
| errTruncation = "22001" // string_data_right_truncation | ||
| errFK = "23503" // foreign_key_violation | ||
| errInvalid = "22P02" // invalid_text_representation | ||
| errUntranslatable = "22P05" // untranslatable_character | ||
| errInvalidChar = "22021" // character_not_in_repertoire | ||
| ) | ||
|
|
||
| var ( | ||
| ErrConflict = errors.New("entity already exists") | ||
| ErrMalformedEntity = errors.New("malformed entity") | ||
| ErrCreateEntity = errors.New("failed to create entity") | ||
| ) | ||
|
|
||
| type CSRRepo struct { | ||
| db postgres.Database | ||
| } | ||
|
|
||
| func NewRepository(db postgres.Database) certs.CSRRepository { | ||
| return CSRRepo{ | ||
| db: db, | ||
| } | ||
| } | ||
|
|
||
| func (repo CSRRepo) CreateCSR(ctx context.Context, cert certs.CSR) error { | ||
| q := ` | ||
| INSERT INTO certs (serial_number, csr, private_key, entity_id, status, submitted_at, processed_at) | ||
| VALUES (:serial_number, :csr, :private_key, :entity_id, :status, :submitted_at, :processed_at)` | ||
| _, err := repo.db.NamedExecContext(ctx, q, cert) | ||
| if err != nil { | ||
| return handleError(certs.ErrCreateEntity, err) | ||
| } | ||
| return nil | ||
| } | ||
|
|
||
| func (repo CSRRepo) UpdateCSR(ctx context.Context, cert certs.CSR) error { | ||
| q := `UPDATE certs SET certificate = :certificate, key = :key, revoked = :revoked, expiry_time = :expiry_time WHERE serial_number = :serial_number` | ||
| res, err := repo.db.NamedExecContext(ctx, q, cert) | ||
| if err != nil { | ||
| return handleError(certs.ErrUpdateEntity, err) | ||
| } | ||
| count, err := res.RowsAffected() | ||
| if err != nil { | ||
| return errors.Wrap(certs.ErrUpdateEntity, err) | ||
| } | ||
| if count == 0 { | ||
| return certs.ErrNotFound | ||
| } | ||
| return nil | ||
| } | ||
|
|
||
| func (repo CSRRepo) RetrieveCSR(ctx context.Context,id string) (certs.CSR, error) { | ||
| q := `SELECT serial_number, certificate, key, entity_id, revoked, expiry_time FROM certs WHERE serial_number = $1` | ||
| var csr certs.CSR | ||
| if err := repo.db.QueryRowxContext(ctx, q, id).StructScan(&csr); err != nil { | ||
| if err == sql.ErrNoRows { | ||
| return certs.CSR{}, errors.Wrap(certs.ErrNotFound, err) | ||
| } | ||
| return certs.CSR{}, errors.Wrap(certs.ErrViewEntity, err) | ||
| } | ||
| return csr, nil | ||
| } | ||
|
|
||
| func (repo CSRRepo) ListCSRs(ctx context.Context, pm certs.PageMetadata) (certs.CSRPage, error) { | ||
| q := `SELECT serial_number, status, submitted_at, processed_at, entity_id FROM certs %s LIMIT :limit OFFSET :offset` | ||
| var condition string | ||
| if pm.EntityID != "" { | ||
| condition = `WHERE entity_id = :entity_id` | ||
| } else { | ||
| condition = `` | ||
| } | ||
| q = fmt.Sprintf(q, condition) | ||
| var csrs []certs.CSR | ||
|
|
||
| params := map[string]interface{}{ | ||
| "limit": pm.Limit, | ||
| "offset": pm.Offset, | ||
| "entity_id": pm.EntityID, | ||
| } | ||
| rows, err := repo.db.NamedQueryContext(ctx, q, params) | ||
| if err != nil { | ||
| return certs.CSRPage{}, handleError(certs.ErrViewEntity, err) | ||
| } | ||
| defer rows.Close() | ||
|
|
||
| for rows.Next() { | ||
| csr := &certs.CSR{} | ||
| if err := rows.StructScan(csr); err != nil { | ||
| return certs.CSRPage{}, errors.Wrap(certs.ErrViewEntity, err) | ||
| } | ||
|
|
||
| csrs = append(csrs, *csr) | ||
| } | ||
|
|
||
| q = fmt.Sprintf(`SELECT COUNT(*) FROM certs %s LIMIT :limit OFFSET :offset`, condition) | ||
| pm.Total, err = repo.total(ctx, q, params) | ||
| if err != nil { | ||
| return certs.CSRPage{}, errors.Wrap(certs.ErrViewEntity, err) | ||
| } | ||
| return certs.CSRPage{ | ||
| PageMetadata: pm, | ||
| CSRs: csrs, | ||
| }, nil | ||
| } | ||
|
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||
| func (repo CSRRepo) total(ctx context.Context, query string, params interface{}) (uint64, error) { | ||
| rows, err := repo.db.NamedQueryContext(ctx, query, params) | ||
| if err != nil { | ||
| return 0, err | ||
| } | ||
| defer rows.Close() | ||
| total := uint64(0) | ||
| if rows.Next() { | ||
| if err := rows.Scan(&total); err != nil { | ||
| return 0, err | ||
| } | ||
| } | ||
| return total, nil | ||
| } | ||
|
|
||
| func handleError(wrapper, err error) error { | ||
| pqErr, ok := err.(*pgconn.PgError) | ||
| if ok { | ||
| switch pqErr.Code { | ||
| case errDuplicate: | ||
| return errors.Wrap(ErrConflict, err) | ||
| case errInvalid, errInvalidChar, errTruncation, errUntranslatable: | ||
| return errors.Wrap(ErrMalformedEntity, err) | ||
| case errFK: | ||
| return errors.Wrap(ErrCreateEntity, err) | ||
| } | ||
| } | ||
|
|
||
| return errors.Wrap(wrapper, err) | ||
| } |
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