/
ginrecover.go
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/
ginrecover.go
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package gin
/*
* Copyright 2020 Aldelo, LP
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
import (
"fmt"
"io"
"github.com/gin-gonic/gin"
"log"
"net/http/httputil"
"github.com/go-errors/errors"
)
// NiceRecovery replaces default recovery, with custom content,
// to be called via gin.New() right after object init
//
// Credit: code based and revised from github.com/ekyoung/gin-nice-recovery
func NiceRecovery(f func(c *gin.Context, err interface{})) gin.HandlerFunc {
return NiceRecoveryWithWriter(f, gin.DefaultErrorWriter)
}
// NiceRecoveryWithWriter replaces default recovery, with custom content,
// to be called via gin.New() right after object init
//
// Credit: code based and revised from github.com/ekyoung/gin-nice-recovery
func NiceRecoveryWithWriter(f func(c *gin.Context, err interface{}), out io.Writer) gin.HandlerFunc {
var logger *log.Logger
if out != nil {
logger = log.New(out, "\n\n\x1b[31m", log.LstdFlags)
}
return func(c *gin.Context) {
defer func() {
if err := recover(); err != nil {
if logger != nil {
httpRequest, _ := httputil.DumpRequest(c.Request, false)
goErr := errors.Wrap(err, 3)
reset := string([]byte{27, 91, 48, 109})
logger.Printf(fmt.Sprintf("[Recovery] Panic Recovered:\n\n%s %s\n\n%s%s", httpRequest, goErr.Error(), goErr.Stack(), reset))
}
f(c, fmt.Errorf("Internal Server Error"))
}
}()
c.Next() // execute all the handlers
}
}