119 lines
3.6 KiB
Go
119 lines
3.6 KiB
Go
// mautrix-whatsapp - A Matrix-WhatsApp puppeting bridge.
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// Copyright (C) 2022 Tulir Asokan
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//
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// This program is free software: you can redistribute it and/or modify
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// it under the terms of the GNU Affero General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU Affero General Public License for more details.
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//
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// You should have received a copy of the GNU Affero General Public License
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// along with this program. If not, see <https://www.gnu.org/licenses/>.
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package database
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import (
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"fmt"
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"strings"
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"github.com/lib/pq"
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"maunium.net/go/mautrix/util/dbutil"
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)
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func scanPollOptionMapping(rows dbutil.Rows) (id string, hashArr [32]byte, err error) {
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var hash []byte
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err = rows.Scan(&id, &hash)
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if err != nil {
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// return below
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} else if len(hash) != 32 {
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err = fmt.Errorf("unexpected hash length %d", len(hash))
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} else {
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hashArr = *(*[32]byte)(hash)
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}
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return
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}
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func (msg *Message) PutPollOptions(opts map[[32]byte]string) {
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query := "INSERT INTO poll_option_id (msg_mxid, opt_id, opt_hash) VALUES ($1, $2, $3)"
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args := make([]any, len(opts)*2+1)
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placeholders := make([]string, len(opts))
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args[0] = msg.MXID
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i := 0
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for hash, id := range opts {
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args[i*2+1] = id
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hashCopy := hash
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args[i*2+2] = hashCopy[:]
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placeholders[i] = fmt.Sprintf("($1, $%d, $%d)", i*2+2, i*2+3)
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i++
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}
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query = strings.ReplaceAll(query, "($1, $2, $3)", strings.Join(placeholders, ","))
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_, err := msg.db.Exec(query, args...)
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if err != nil {
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msg.log.Errorfln("Failed to save poll options for %s: %v", msg.MXID, err)
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}
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}
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func (msg *Message) GetPollOptionIDs(hashes [][]byte) map[[32]byte]string {
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query := "SELECT opt_id, opt_hash FROM poll_option_id WHERE msg_mxid=$1 AND opt_hash = ANY($2)"
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var args []any
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if msg.db.Dialect == dbutil.Postgres {
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args = []any{msg.MXID, pq.Array(hashes)}
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} else {
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query = strings.ReplaceAll(query, " = ANY($2)", fmt.Sprintf(" IN (%s)", strings.TrimSuffix(strings.Repeat("?,", len(hashes)), ",")))
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args = make([]any, len(hashes)+1)
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args[0] = msg.MXID
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for i, hash := range hashes {
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args[i+1] = hash
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}
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}
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ids := make(map[[32]byte]string, len(hashes))
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rows, err := msg.db.Query(query, args...)
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if err != nil {
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msg.log.Errorfln("Failed to query poll option IDs for %s: %v", msg.MXID, err)
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} else {
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for rows.Next() {
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id, hash, err := scanPollOptionMapping(rows)
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if err != nil {
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msg.log.Errorfln("Failed to scan poll option ID for %s: %v", msg.MXID, err)
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break
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}
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ids[hash] = id
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}
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}
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return ids
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}
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func (msg *Message) GetPollOptionHashes(ids []string) map[string][32]byte {
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query := "SELECT opt_id, opt_hash FROM poll_option_id WHERE msg_mxid=$1 AND opt_id = ANY($2)"
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var args []any
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if msg.db.Dialect == dbutil.Postgres {
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args = []any{msg.MXID, pq.Array(ids)}
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} else {
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query = strings.ReplaceAll(query, " = ANY($2)", fmt.Sprintf(" IN (%s)", strings.TrimSuffix(strings.Repeat("?,", len(ids)), ",")))
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args = make([]any, len(ids)+1)
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args[0] = msg.MXID
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for i, id := range ids {
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args[i+1] = id
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}
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}
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hashes := make(map[string][32]byte, len(ids))
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rows, err := msg.db.Query(query, args...)
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if err != nil {
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msg.log.Errorfln("Failed to query poll option hashes for %s: %v", msg.MXID, err)
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} else {
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for rows.Next() {
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id, hash, err := scanPollOptionMapping(rows)
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if err != nil {
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msg.log.Errorfln("Failed to scan poll option hash for %s: %v", msg.MXID, err)
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break
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}
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hashes[id] = hash
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}
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}
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return hashes
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}
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