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fix(OpenAIProvider): prevent atob error with non-base64 image URLs (#6673)

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Signed-off-by: Chan Lee <Leetimemp@gmail.com>
This commit is contained in:
Doekin 2025-06-02 13:29:42 +08:00 committed by GitHub
parent 413c372e83
commit b4bd5fbd0c
1 changed files with 9 additions and 10 deletions
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19
src/renderer/src/providers/AiProvider/OpenAIResponseProvider.ts
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@ -49,7 +49,9 @@ import {
} from '@renderer/utils/mcp-tools'
import { findFileBlocks, findImageBlocks, getMainTextContent } from '@renderer/utils/messageUtils/find'
import { buildSystemPrompt } from '@renderer/utils/prompt'
import { Base64 } from 'js-base64'
import { isEmpty, takeRight } from 'lodash'
import mime from 'mime'
import OpenAI from 'openai'
import { ChatCompletionContentPart, ChatCompletionMessageParam } from 'openai/resources/chat/completions'
import { Stream } from 'openai/streaming'
@ -1059,16 +1061,13 @@ export abstract class BaseOpenAIProvider extends BaseProvider {
const assistantFiles = findImageBlocks(lastAssistantMessage)
const assistantImages = await Promise.all(
assistantFiles.filter(Boolean).map(async (f) => {
const base64Data = f?.url?.replace(/^data:image\/\w+;base64,/, '')
if (!base64Data) return null
const binary = atob(base64Data)
const bytes = new Uint8Array(binary.length)
for (let i = 0; i < binary.length; i++) {
bytes[i] = binary.charCodeAt(i)
}
return await toFile(bytes, 'assistant_image.png', {
type: 'image/png'
})
const match = f?.url?.match(/^data:(image\/\w+);base64,(.+)$/)
if (!match) return null
const mimeType = match[1]
const extension = mime.getExtension(mimeType) || 'bin'
const bytes = Base64.toUint8Array(match[2])
const fileName = `assistant_image.${extension}`
return await toFile(bytes, fileName, { type: mimeType })
})
)
images = images.concat(assistantImages.filter(Boolean) as FileLike[])