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// Copyright (c) 2020-2025 Bryan Frimin <bryan@frimin.fr>.
//
// Permission to use, copy, modify, and/or distribute this software for any
// purpose with or without fee is hereby granted, provided that the above
// copyright notice and this permission notice appear in all copies.
//
// THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES WITH
// REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
// AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT,
// INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
// LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR
// OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
// PERFORMANCE OF THIS SOFTWARE.
package main
import (
"encoding/json"
"fmt"
"io"
"os"
)
type (
AuthCfg struct {
Username string `json:"username"`
Password string `json:"password"`
}
BinCfg struct {
Name string `json:"name"`
Host string `json:"host"`
Auth AuthCfg `json:"auth"`
Expire string `json:"expire"`
OpenDiscussion *bool `json:"open-discussion"`
BurnAfterReading *bool `json:"burn-after-reading"`
GZip *bool `json:"gzip"`
SkipTLSVerify *bool `json:"skip-tls-verify"`
Formatter string `json:"formatter"`
ExtraHeaderFields map[string]string `json:"extra-header-fields"`
}
Cfg struct {
Bin []BinCfg `json:"bin"`
Expire string `json:"expire"`
OpenDiscussion bool `json:"open-discussion"`
BurnAfterReading bool `json:"burn-after-reading"`
GZip bool `json:"gzip"`
SkipTLSVerify bool `json:"skip-tls-verify"`
Formatter string `json:"formatter"`
ExtraHeaderFields map[string]string `json:"extra-header-fields"`
}
)
func defaultConfig() *Cfg {
return &Cfg{
Expire: "1day",
Formatter: "plaintext",
GZip: true,
ExtraHeaderFields: make(map[string]string),
}
}
func findBinCfg(cfg *Cfg, name string) (*BinCfg, error) {
for _, bin := range cfg.Bin {
if bin.Name == name {
return &bin, nil
}
}
return nil, fmt.Errorf("cannot find %q bin configuration", name)
}
func loadCfgFile(path string) (*Cfg, error) {
file, err := os.Open(path)
if err != nil {
return nil, fmt.Errorf("cannot open file: %v", err)
}
value, err := io.ReadAll(file)
if err != nil {
return nil, fmt.Errorf("cannot read file: %v", err)
}
cfg := defaultConfig()
if err := json.Unmarshal(value, cfg); err != nil {
return nil, fmt.Errorf("cannot unmarshal file: %v", err)
}
for i, binCfg := range cfg.Bin {
if binCfg.Expire == "" {
binCfg.Expire = cfg.Expire
}
if binCfg.OpenDiscussion == nil {
binCfg.OpenDiscussion = &cfg.OpenDiscussion
}
if binCfg.BurnAfterReading == nil {
binCfg.BurnAfterReading = &cfg.BurnAfterReading
}
if binCfg.Formatter == "" {
binCfg.Formatter = cfg.Formatter
}
if binCfg.GZip == nil {
binCfg.GZip = &cfg.GZip
}
if binCfg.SkipTLSVerify == nil {
binCfg.SkipTLSVerify = &cfg.SkipTLSVerify
}
if binCfg.ExtraHeaderFields == nil {
binCfg.ExtraHeaderFields = cfg.ExtraHeaderFields
}
cfg.Bin[i] = binCfg
}
return cfg, nil
}
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