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request_form_arg.go
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request_form_arg.go
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package checkpoints
import (
"github.com/TeaOSLab/EdgeNode/internal/waf/requests"
"github.com/TeaOSLab/EdgeNode/internal/waf/utils"
"github.com/iwind/TeaGo/maps"
"net/url"
)
// RequestFormArgCheckpoint ${requestForm.arg}
type RequestFormArgCheckpoint struct {
Checkpoint
}
func (this *RequestFormArgCheckpoint) RequestValue(req requests.Request, param string, options maps.Map, ruleId int64) (value interface{}, hasRequestBody bool, sysErr error, userErr error) {
hasRequestBody = true
if this.RequestBodyIsEmpty(req) {
value = ""
return
}
if req.WAFRaw().Body == nil {
value = ""
return
}
var bodyData = req.WAFGetCacheBody()
if len(bodyData) == 0 {
data, err := req.WAFReadBody(utils.MaxBodySize) // read body
if err != nil {
return "", hasRequestBody, err, nil
}
bodyData = data
req.WAFSetCacheBody(data)
req.WAFRestoreBody(data)
}
// TODO improve performance
values, _ := url.ParseQuery(string(bodyData))
return values.Get(param), hasRequestBody, nil, nil
}
func (this *RequestFormArgCheckpoint) ResponseValue(req requests.Request, resp *requests.Response, param string, options maps.Map, ruleId int64) (value interface{}, hasRequestBody bool, sysErr error, userErr error) {
if this.IsRequest() {
return this.RequestValue(req, param, options, ruleId)
}
return
}