Function containsBase64File

packages/server/src/utils/fileRepository.ts:7–49

(chatflow: ChatFlow)

import { UsageCacheManager } from '../UsageCacheManager'

export const containsBase64File = (chatflow: ChatFlow) => {
    const parsedFlowData: IReactFlowObject = JSON.parse(chatflow.flowData)
    const re = new RegExp('^data.*;base64', 'i')
    let found = false
    const nodes = parsedFlowData.nodes
    for (const node of nodes) {
        if (node.data.category !== 'Document Loaders') {
            continue
        }
        const inputs = node.data.inputs
        if (inputs) {
            const keys = Object.getOwnPropertyNames(inputs)
            for (let i = 0; i < keys.length; i++) {
                const input = inputs[keys[i]]
                if (!input) {
                    continue
                }
                if (typeof input !== 'string') {
                    continue
                }
                if (input.startsWith('[')) {
                    try {
                        const files = JSON.parse(input)
                        for (let j = 0; j < files.length; j++) {
                            const file = files[j]
                            if (re.test(file)) {
                                found = true
                                break
                            }
                        }
                    } catch (e) {
                        continue
                    }
                }
                if (re.test(input)) {
                    found = true
                    break
                }
            }
        }
    }
    return found
}

export const updateFlowDataWithFilePaths = async (
    chatflowid: string,