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gitea/vendor/go.uber.org/zap/http_handler.go
techknowlogick d2ea21d0d8
Use caddy's certmagic library for extensible/robust ACME handling (#14177)
* use certmagic for more extensible/robust ACME cert handling

* accept TOS based on config option

Signed-off-by: Andrew Thornton <art27@cantab.net>

Co-authored-by: zeripath <art27@cantab.net>
Co-authored-by: Lauris BH <lauris@nix.lv>
2021-01-25 01:37:35 +02:00

81 lines
2.4 KiB
Go
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// Copyright (c) 2016 Uber Technologies, Inc.
//
// 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 zap
import (
"encoding/json"
"fmt"
"net/http"
"go.uber.org/zap/zapcore"
)
// ServeHTTP is a simple JSON endpoint that can report on or change the current
// logging level.
//
// GET requests return a JSON description of the current logging level. PUT
// requests change the logging level and expect a payload like:
// {"level":"info"}
//
// It's perfectly safe to change the logging level while a program is running.
func (lvl AtomicLevel) ServeHTTP(w http.ResponseWriter, r *http.Request) {
type errorResponse struct {
Error string `json:"error"`
}
type payload struct {
Level *zapcore.Level `json:"level"`
}
enc := json.NewEncoder(w)
switch r.Method {
case http.MethodGet:
current := lvl.Level()
enc.Encode(payload{Level: &current})
case http.MethodPut:
var req payload
if errmess := func() string {
if err := json.NewDecoder(r.Body).Decode(&req); err != nil {
return fmt.Sprintf("Request body must be well-formed JSON: %v", err)
}
if req.Level == nil {
return "Must specify a logging level."
}
return ""
}(); errmess != "" {
w.WriteHeader(http.StatusBadRequest)
enc.Encode(errorResponse{Error: errmess})
return
}
lvl.SetLevel(*req.Level)
enc.Encode(req)
default:
w.WriteHeader(http.StatusMethodNotAllowed)
enc.Encode(errorResponse{
Error: "Only GET and PUT are supported.",
})
}
}