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request_json_arg.go
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request_json_arg.go
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package checkpoints
import (
"encoding/json"
"github.com/TeaOSLab/EdgeNode/internal/utils"
"github.com/TeaOSLab/EdgeNode/internal/waf/requests"
wafutils "github.com/TeaOSLab/EdgeNode/internal/waf/utils"
"github.com/iwind/TeaGo/maps"
"strings"
)
// RequestJSONArgCheckpoint ${requestJSON.arg}
type RequestJSONArgCheckpoint struct {
Checkpoint
}
func (this *RequestJSONArgCheckpoint) RequestValue(req requests.Request, param string, options maps.Map, ruleId int64) (value any, hasRequestBody bool, sysErr error, userErr error) {
var bodyData = req.WAFGetCacheBody()
hasRequestBody = true
if len(bodyData) == 0 {
data, err := req.WAFReadBody(req.WAFMaxRequestSize()) // read body
if err != nil {
return "", hasRequestBody, err, nil
}
bodyData = data
req.WAFSetCacheBody(data)
defer req.WAFRestoreBody(data)
}
// TODO improve performance
var m any = nil
err := json.Unmarshal(bodyData, &m)
if err != nil || m == nil {
return "", hasRequestBody, nil, err
}
value = utils.Get(m, strings.Split(param, "."))
if value != nil {
return value, hasRequestBody, nil, err
}
return "", hasRequestBody, nil, nil
}
func (this *RequestJSONArgCheckpoint) ResponseValue(req requests.Request, resp *requests.Response, param string, options maps.Map, ruleId int64) (value any, hasRequestBody bool, sysErr error, userErr error) {
if this.IsRequest() {
return this.RequestValue(req, param, options, ruleId)
}
return
}
func (this *RequestJSONArgCheckpoint) CacheLife() wafutils.CacheLife {
return wafutils.CacheMiddleLife
}