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action-output-filter.go
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/
action-output-filter.go
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/*
* Copyright (c) 2019-2021. Abstrium SAS <team (at) pydio.com>
* This file is part of Pydio Cells.
*
* Pydio Cells is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* Pydio Cells is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with Pydio Cells. If not, see <http://www.gnu.org/licenses/>.
*
* The latest code can be found at <https://pydio.com>.
*/
package jobs
import (
"context"
"fmt"
"regexp"
"strconv"
"google.golang.org/protobuf/proto"
"google.golang.org/protobuf/types/known/anypb"
"github.com/pydio/cells/v4/common/log"
"github.com/pydio/cells/v4/common/proto/service"
json "github.com/pydio/cells/v4/common/utils/jsonx"
)
type MessageMatcher struct {
*ActionOutputSingleQuery
}
func (m *MessageMatcher) Matches(object interface{}) bool {
if in, ok := object.(*ActionOutput); ok {
return match(m.ActionOutputSingleQuery, in)
} else {
return false
}
}
func (n *ActionOutputFilter) FilterID() string {
return "ActionOutputFilter"
}
func (n *ActionOutputFilter) Filter(ctx context.Context, input *ActionMessage) (*ActionMessage, *ActionMessage, bool) {
output := input
if n.Query == nil || len(n.Query.SubQueries) == 0 {
return output, nil, true
}
multi := &service.MultiMatcher{}
if er := multi.Parse(n.Query, func(o *anypb.Any) (service.Matcher, error) {
target := &ActionOutputSingleQuery{}
if e := anypb.UnmarshalTo(o, target, proto.UnmarshalOptions{}); e != nil {
return nil, e
}
return &MessageMatcher{ActionOutputSingleQuery: n.cloneEval(ctx, input, target)}, nil
}); er != nil {
fmt.Println("Error while parsing query", er)
return output, nil, false
}
return output, nil, multi.Matches(input.GetLastOutput())
}
func (n *ActionOutputFilter) cloneEval(ctx context.Context, input *ActionMessage, query *ActionOutputSingleQuery) *ActionOutputSingleQuery {
if len(GetFieldEvaluators()) == 0 {
return query
}
res := proto.Clone(query).(*ActionOutputSingleQuery)
res.StringBodyRegexp = EvaluateFieldStr(ctx, input, res.StringBodyRegexp)
res.JsonBodyRegexp = EvaluateFieldStr(ctx, input, res.JsonBodyRegexp)
res.ErrorStringRegexp = EvaluateFieldStr(ctx, input, res.ErrorStringRegexp)
res.JsonBodyHasKey = EvaluateFieldStr(ctx, input, res.JsonBodyHasKey)
res.FreeCondition = EvaluateFieldStr(ctx, input, res.FreeCondition)
return res
}
func match(query *ActionOutputSingleQuery, output *ActionOutput) bool {
if query.FreeCondition != "" {
if b, e := strconv.ParseBool(query.FreeCondition); e == nil {
return b
} else {
return false
}
}
if output == nil {
return true
}
if query.IsSuccess && !output.Success {
return false
}
var strMatch string
var reg *regexp.Regexp
var regErr error
if len(query.StringBodyRegexp) > 0 {
strMatch = output.StringBody
reg, regErr = regexp.Compile(query.StringBodyRegexp)
} else if len(query.JsonBodyRegexp) > 0 {
strMatch = string(output.JsonBody)
reg, regErr = regexp.Compile(query.JsonBodyRegexp)
} else if len(query.ErrorStringRegexp) > 0 {
strMatch = output.ErrorString
reg, regErr = regexp.Compile(query.ErrorStringRegexp)
}
if regErr != nil {
log.Logger(context.Background()).Error("Warning, invalid regexp used in ActionOutputFilter condition! Filter with not pass!")
}
if reg != nil && !reg.MatchString(strMatch) {
return false
}
if query.StringBodySizeGreaterThan > 0 && len(output.StringBody) < int(query.StringBodySizeGreaterThan) {
return false
} else if query.JsonBodySizeGreaterThan > 0 && len(output.JsonBody) < int(query.JsonBodySizeGreaterThan) {
return false
} else if query.StringBodySizeSmallerThan > 0 && len(output.StringBody) > int(query.StringBodySizeSmallerThan) {
return false
} else if query.JsonBodySizeSmallerThan > 0 && len(output.JsonBody) > int(query.JsonBodySizeSmallerThan) {
return false
}
if query.TaskTimeGt > 0 && output.Time <= query.TaskTimeGt {
return false
}
if query.TaskTimeLt > 0 && output.Time >= query.TaskTimeLt {
return false
}
if query.JsonBodyHasKey != "" {
var t map[string]interface{}
e := json.Unmarshal(output.JsonBody, &t)
if e != nil {
return false
}
if _, ok := t[query.JsonBodyHasKey]; !ok {
return false
}
}
return true
}