mirror of
https://github.com/infiniflow/ragflow.git
synced 2026-08-26 01:52:16 +08:00
75 lines
1.8 KiB
Go
75 lines
1.8 KiB
Go
//
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// Copyright 2026 The InfiniFlow Authors. All Rights Reserved.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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//
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package connector
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import (
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"encoding/hex"
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"encoding/json"
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"fmt"
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"path/filepath"
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"regexp"
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"strings"
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"github.com/zeebo/xxh3"
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)
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var syncFilenameUnsafeRE = regexp.MustCompile(`[\\/:*?"<>|]+`)
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func stableFingerprint(value any) string {
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data, err := json.Marshal(value)
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if err != nil {
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data = []byte(fmt.Sprint(value))
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}
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return contentFingerprint(data)
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}
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func contentFingerprint(data []byte) string {
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sum := xxh3.Hash128(data).Bytes()
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return hex.EncodeToString(sum[:])
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}
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func syncSourceDocumentFilenameFromDocument(doc SourceDocument) string {
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name := strings.TrimSpace(syncFilenameUnsafeRE.ReplaceAllString(doc.SemanticIdentifier, "_"))
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if name == "" {
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name = strings.TrimSpace(syncFilenameUnsafeRE.ReplaceAllString(doc.SourceID, "_"))
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}
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if name == "" {
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name = "document"
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}
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extension := strings.TrimSpace(doc.Extension)
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if extension == "" {
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extension = ".txt"
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}
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if !strings.HasPrefix(extension, ".") {
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extension = "." + extension
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}
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if !strings.HasSuffix(strings.ToLower(name), strings.ToLower(extension)) {
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name += extension
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}
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if len(name) <= 255 {
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return name
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}
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ext := filepath.Ext(name)
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baseLimit := 255 - len(ext)
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if baseLimit < 1 {
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return name[:255]
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}
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return name[:baseLimit] + ext
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}
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