Redact read_file content from UI storage #8692
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…storing file contents in clineMessages (Fixes #8690)
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Code Review CompleteI've completed a thorough review of this PR and found no issues that need to be addressed. SummaryThe implementation correctly prevents file contents from being stored in ✅ Sanitization methods properly redact file payload XML tags The PR successfully addresses issue #8690 and is ready to merge. |
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Pull Request Overview
This PR redacts file contents from UI-persisted messages to prevent sensitive data from being stored in ui_messages.json, while preserving full content for the API conversation history.
- Adds sanitization helpers and applies them at append/update/overwrite/save/load of UI messages
- Redacts file payloads in api_req_started request formatting
- Updates e2e tests to validate via AI response rather than clineMessages
Reviewed Changes
Copilot reviewed 2 out of 2 changed files in this pull request and generated 7 comments.
| File | Description |
|---|---|
| src/core/task/Task.ts | Introduces message sanitization and read_file redaction for UI-persisted messages and api_req_started formatting. |
| apps/vscode-e2e/src/suite/tools/read-file.test.ts | Updates tests to reflect redaction; removes direct content checks from clineMessages (but leaves now-unused variables/extraction logic). |
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| const formatRequestWithReadFileRedaction = (blocks: Anthropic.Messages.ContentBlockParam[]) => { | ||
| let redactNext = false | ||
| const parts = blocks.map((block: any) => { | ||
| if (block?.type === "text") { | ||
| const text = String(block.text ?? "") | ||
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| // 1) Detect the explicit read_file header line emitted by pushToolResult | ||
| const isReadFileHeader = /^\[read_file\b[\s\S]*\]\s*Result:/i.test(text) | ||
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| // 2) Detect any XML-like file payloads that tools may include | ||
| // Examples: <files>...</files>, <file>...</file>, <content ...>...</content>, <file_content ...>...</file_content> | ||
| const looksLikeFilePayload = /<files[\s>]|<file[\s>]|<content\b|<file_content\b/i.test(text) | ||
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| // If we see the header, show the header but redact the next text block (payload) | ||
| if (isReadFileHeader) { | ||
| redactNext = true | ||
| return text | ||
| } | ||
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| // If the previous block was a read_file header, or this block itself looks like a file payload, redact it | ||
| if (redactNext || looksLikeFilePayload) { | ||
| redactNext = false | ||
| return "[tool output omitted from UI storage]" | ||
| } | ||
| } | ||
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| // Default formatting for other blocks | ||
| return formatContentBlockToMarkdown(block as any) | ||
| }) | ||
| return parts.join("\n\n") | ||
| } |
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Non-redacted text blocks (including the read_file header) bypass formatContentBlockToMarkdown and return raw text, which diverges from prior behavior and from how non-text blocks are formatted. To keep formatting consistent and avoid UI regressions, return formatContentBlockToMarkdown(block) for the non-redacted text path (and for the header), e.g., replace return text with return formatContentBlockToMarkdown(block as any).
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| let errorOccurred: string | null = null | ||
| let toolExecuted = false | ||
| let toolResult: string | null = null | ||
| let _toolResult: string | null = null |
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_toolResult is never read after assignment in this test. Remove this variable and the associated extraction/logging code to reduce noise and keep the test focused on verifying AI responses.
| let _toolResult: string | null = null |
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| if (resultMatch) { | ||
| toolResult = resultMatch[1] | ||
| console.log("Extracted tool result:", toolResult) | ||
| _toolResult = resultMatch[1] | ||
| console.log("Extracted tool result:", _toolResult) | ||
| } else { | ||
| console.log("Could not extract tool result from request") | ||
| } |
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This extraction/logging block sets _toolResult but the value is no longer asserted, making it dead code. Remove the extraction and console logs to simplify the test.
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| let toolResult: string | null = null | ||
| let _toolResult: string | null = null | ||
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| // Listen for messages |
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_toolResult is declared but never used in this test case. Remove the variable and the related parsing code added for it.
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Closed in favour of #8696 |
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Before
After
This PR prevents file contents returned by read_file and mention expansions from being stored in ui_messages.json.\n\n- Sanitizes UI-persisted messages at append/update/overwrite/save/load\n- Redacts api_req_started request so file payloads never land in clineMessages
Fixes #8690
Fixes #5601
Fixes #8594
Important
Redacts file contents from UI storage in
Task.tsby sanitizing messages, ensuring sensitive data is not stored inui_messages.json.Task.tsby sanitizing messages before saving toui_messages.json.sanitizeMessageText()andsanitizeMessagesArray()to handle redaction.addToClineMessages(),overwriteClineMessages(),updateClineMessage(), andsaveClineMessages()to use sanitization.api_req_startedrequests to prevent file payloads from being stored inclineMessages.read-file.test.tsto remove assertions on file content extraction.toolResultto_toolResultinread-file.test.tsand 2 other places.This description was created by
for 0377592. You can customize this summary. It will automatically update as commits are pushed.