mirror of
https://codeberg.org/scip/anydb.git
synced 2025-12-16 20:10:59 +01:00
109 lines
2.1 KiB
Go
109 lines
2.1 KiB
Go
/*
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Copyright © 2024 Thomas von Dein
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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 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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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 General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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package app
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import (
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"fmt"
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"io"
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"os"
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"unicode/utf8"
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)
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type DbAttr struct {
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Key string
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Val string
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Bin []byte
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Args []string
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Tags []string
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File string
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Encrypted bool
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}
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func (attr *DbAttr) ParseKV() error {
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switch len(attr.Args) {
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case 1:
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// 1 arg = key + read from file or stdin
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attr.Key = attr.Args[0]
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if attr.File == "" {
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attr.File = "-"
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}
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case 2:
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attr.Key = attr.Args[0]
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attr.Val = attr.Args[1]
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if attr.Args[1] == "-" {
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attr.File = "-"
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}
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}
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if attr.File != "" {
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return attr.GetFileValue()
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}
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return nil
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}
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func (attr *DbAttr) GetFileValue() error {
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var fd io.Reader
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if attr.File == "-" {
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stat, _ := os.Stdin.Stat()
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if (stat.Mode() & os.ModeCharDevice) == 0 {
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fd = os.Stdin
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}
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} else {
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filehandle, err := os.OpenFile(attr.File, os.O_RDONLY, 0600)
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if err != nil {
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return fmt.Errorf("failed to open file %s: %w", attr.File, err)
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}
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fd = filehandle
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}
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if fd != nil {
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// read from file or stdin pipe
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data, err := io.ReadAll(fd)
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if err != nil {
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return fmt.Errorf("failed to read from pipe: %w", err)
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}
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// poor man's text file test
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sdata := string(data)
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if utf8.ValidString(sdata) {
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attr.Val = sdata
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} else {
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attr.Bin = data
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}
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} else {
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// read from console stdin
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var input string
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var data string
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for {
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_, err := fmt.Scanln(&input)
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if err != nil {
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break
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}
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data += input + "\n"
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}
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attr.Val = data
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}
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return nil
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}
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