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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,202 @@ | ||
| // Copyright (c) 2024 Maxtek Consulting | ||
| // | ||
| // Permission is hereby granted, free of charge, to any person obtaining a copy | ||
| // of this software and associated documentation files (the "Software"), to deal | ||
| // in the Software without restriction, including without limitation the rights | ||
| // to use, copy, modify, merge, publish, distribute, sublicense, and/or sell | ||
| // copies of the Software, and to permit persons to whom the Software is | ||
| // furnished to do so, subject to the following conditions: | ||
| // | ||
| // The above copyright notice and this permission notice shall be included in all | ||
| // copies or substantial portions of the Software. | ||
| // | ||
| // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR | ||
| // IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | ||
| // FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE | ||
| // AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER | ||
| // LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, | ||
| // OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE | ||
| // SOFTWARE. | ||
|
|
||
| package keybase | ||
|
|
||
| import ( | ||
| "context" | ||
| "database/sql" | ||
| "strings" | ||
|
|
||
| "github.com/huandu/go-sqlbuilder" | ||
| ) | ||
|
|
||
| type dbtx struct { | ||
| query string | ||
| args []any | ||
| } | ||
|
|
||
| func newCreateTableQuery() *dbtx { | ||
| return &dbtx{ | ||
| query: `CREATE TABLE IF NOT EXISTS keybase(namespace TEXT, key TEXT, expiration INTEGER); | ||
| CREATE INDEX IF NOT EXISTS namespace_index ON keybase(namespace); | ||
| CREATE INDEX IF NOT EXISTS key_index ON keybase(key);`, | ||
| } | ||
| } | ||
|
|
||
| func newPutQuery(namespace, key string, expiration int64) *dbtx { | ||
| tx := new(dbtx) | ||
| builder := sqlbuilder.NewInsertBuilder() | ||
| tx.query, tx.args = builder.InsertInto("keybase").Cols("namespace", "key", "expiration").Values(namespace, key, expiration).Build() | ||
| return tx | ||
| } | ||
|
|
||
| func newMatchKeyQuery(namespace, pattern string, active, unique bool, timestamp int64) *dbtx { | ||
| tx := new(dbtx) | ||
| builder := sqlbuilder.NewSelectBuilder() | ||
| if unique { | ||
| _ = builder.Distinct() | ||
| } | ||
| _ = builder.Select("key").From("keybase") | ||
| constraints := []string{ | ||
| builder.Equal("namespace", namespace), | ||
| builder.Like("key", strings.ReplaceAll(strings.ReplaceAll(pattern, "*", "%"), "?", "_"))} | ||
| if active { | ||
| constraints = append(constraints, builder.GreaterThan("expiration", timestamp)) | ||
| } | ||
| tx.query, tx.args = builder.Where(constraints...).Build() | ||
| return tx | ||
| } | ||
|
|
||
| func newCountKeyQuery(namespace, key string, active bool, timestamp int64) *dbtx { | ||
| tx := new(dbtx) | ||
| builder := sqlbuilder.NewSelectBuilder() | ||
| _ = builder.Select("COUNT(key)").From("keybase") | ||
| constraints := []string{ | ||
| builder.Equal("namespace", namespace), | ||
| builder.Equal("key", key)} | ||
| if active { | ||
| constraints = append(constraints, builder.GreaterThan("expiration", timestamp)) | ||
| } | ||
| tx.query, tx.args = builder.Where(constraints...).Build() | ||
| return tx | ||
| } | ||
|
|
||
| func newGetKeysQuery(namespace string, active, unique bool, timestamp int64) *dbtx { | ||
| tx := new(dbtx) | ||
| builder := sqlbuilder.NewSelectBuilder() | ||
| if unique { | ||
| _ = builder.Distinct() | ||
| } | ||
| _ = builder.Select("key").From("keybase") | ||
| constraints := []string{ | ||
| builder.Equal("namespace", namespace)} | ||
| if active { | ||
| constraints = append(constraints, builder.GreaterThan("expiration", timestamp)) | ||
| } | ||
| tx.query, tx.args = builder.Where(constraints...).Build() | ||
| return tx | ||
| } | ||
|
|
||
| func newCountKeysQuery(namespace string, active, unique bool, timestamp int64) *dbtx { | ||
| tx := new(dbtx) | ||
| builder := sqlbuilder.NewSelectBuilder() | ||
| col := "COUNT(key)" | ||
| if unique { | ||
| col = "COUNT(DISTINCT key)" | ||
| } | ||
| _ = builder.Select(col).From("keybase") | ||
| constraints := []string{ | ||
| builder.Equal("namespace", namespace)} | ||
| if active { | ||
| constraints = append(constraints, builder.GreaterThan("expiration", timestamp)) | ||
| } | ||
| tx.query, tx.args = builder.Where(constraints...).Build() | ||
| return tx | ||
| } | ||
|
|
||
| func newGetNamespacesQuery(active bool, timestamp int64) *dbtx { | ||
| tx := new(dbtx) | ||
| builder := sqlbuilder.NewSelectBuilder().Distinct() | ||
| _ = builder.Select("namespace").From("keybase") | ||
| if active { | ||
| _ = builder.Where(builder.GreaterThan("expiration", timestamp)) | ||
| } | ||
| tx.query, tx.args = builder.Build() | ||
| return tx | ||
| } | ||
|
|
||
| func newCountNamespacesQuery(active bool, timestamp int64) *dbtx { | ||
| tx := new(dbtx) | ||
| builder := sqlbuilder.NewSelectBuilder().Select("COUNT(DISTINCT namespace)").From("keybase") | ||
| if active { | ||
| _ = builder.Where(builder.GreaterThan("expiration", timestamp)) | ||
| } | ||
| tx.query, tx.args = builder.Build() | ||
| return tx | ||
| } | ||
|
|
||
| func newCountEntriesQuery(active, unique bool, timestamp int64) *dbtx { | ||
| tx := new(dbtx) | ||
| builder := sqlbuilder.NewSelectBuilder() | ||
| col := "COUNT(CONCAT(namespace, key))" | ||
| if unique { | ||
| col = "COUNT(DISTINCT CONCAT(namespace, key))" | ||
| } | ||
| _ = builder.Select(col).From("keybase") | ||
| if active { | ||
| _ = builder.Where(builder.GreaterThan("expiration", timestamp)) | ||
| } | ||
| tx.query, tx.args = builder.Build() | ||
| return tx | ||
| } | ||
|
|
||
| func newPruneEntriesQuery(timestamp int64) *dbtx { | ||
| tx := new(dbtx) | ||
| builder := sqlbuilder.NewDeleteBuilder().DeleteFrom("keybase") | ||
| tx.query, tx.args = builder.Where(builder.LessEqualThan("expiration", timestamp)).Build() | ||
| return tx | ||
| } | ||
|
|
||
| func (tx dbtx) queryExec(ctx context.Context, db *sql.DB) error { | ||
| _, err := db.ExecContext(ctx, tx.query, tx.args...) | ||
| if err != nil { | ||
| return err | ||
| } | ||
| return nil | ||
| } | ||
|
|
||
| func (tx dbtx) queryCount(ctx context.Context, db *sql.DB) (int, error) { | ||
| count := 0 | ||
| row, err := db.QueryContext(ctx, tx.query, tx.args...) | ||
| if err != nil { | ||
| return count, err | ||
| } | ||
| defer func() { | ||
| _ = row.Close() | ||
| }() | ||
| if row.Next() { | ||
| err = row.Scan(&count) | ||
| if err != nil { | ||
| return count, err | ||
| } | ||
| } | ||
| return count, nil | ||
| } | ||
|
|
||
| func (tx dbtx) queryValues(ctx context.Context, db *sql.DB) ([]string, error) { | ||
| value := "" | ||
| values := []string{} | ||
| rows, err := db.QueryContext(ctx, tx.query, tx.args...) | ||
| if err != nil { | ||
| return nil, err | ||
| } | ||
| defer func() { | ||
| _ = rows.Close() | ||
| }() | ||
| for rows.Next() { | ||
| err = rows.Scan(&value) | ||
| if err != nil { | ||
| return nil, err | ||
| } | ||
| values = append(values, value) | ||
| } | ||
| return values, nil | ||
| } |
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