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[PR #6418] [CLOSED] fix(electron): admit file pages whose query or fragment encodes a separator #7347
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opened 2026-11-01 21:47:13 +00:00 by bsakaguchi
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📋 Pull Request Information
Original PR: https://github.com/morluto/rea/pull/6418
Author: @viniciusdsandrade
Created: 10/22/2026
Status: ❌ Closed
Base:
main← Head:fix/5872-electron-encoded-separators-outside-path📝 Commits (3)
36ff03afix(electron): admit file pages whose query or fragment encodes a separator3d19fe4test(electron): list and inspect pages with encoded separators after the path7ef0211test(electron): keep refusing an encoded backslash in a POSIX file path📊 Changes
3 files changed (+58 additions, -1 deletions)
View changed files
📝
src/browser/ElectronFileScope.ts(+2 -1)📝
tests/boundary/browser/cdpElectronProvider.test.ts(+42 -0)📝
tests/boundary/filesystem/electronFileScope.test.ts(+14 -0)📄 Description
Summary
Fixes #5872
list_electron_targetsexcluded a local file page asunsupported_url, andinspect_electron_pagerefused it astarget_not_allowed, when only its query or fragment contained%2For%5C, for exampleindex.html?next=%2Fsettingsorindex.html#%5Csettings. The encoded-separator guard in the shared Electron file authorization tested the complete URL string beforenew URLseparated its components, whilefileURLToPathselects the file from the path alone.The guard now tests the parsed pathname. Query and fragment text no longer affects authorization, and an encoded separator in the path is still refused.
Problem and expected behavior
?next=%2Fsettings,?next=%5Csettings,#%2Fsettingsor#%5Csettings.file://URLs that resolve to regular files and rejects encoded path separators. Existing tests already accept query and fragment text (?isBookDoubleClicked=0#/library, a 70,000-character query).fileURLToPathignores the query and fragment, so these URLs select the same file as the plain URL.file_pathas the plain URL; an encoded separator in the path stays refused.Change and scope
src/browser/ElectronFileScope.ts: the/%(?:2f|5c)/iutest moves after URL parsing and the protocol, host and credential checks, and applies tourl.pathname. Once those checks pass, the path is the only remaining component that can select a file.src/domain/javascript/javascriptStaticAnalysisHelpers.tsalready applies the same rule to the part before?or#.tests/boundary/browser/cdpElectronProvider.test.ts: lists and inspects a regular file page through the provider for each of the four suffixes from the issue.tests/boundary/filesystem/electronFileScope.test.ts: on POSIX, refuses%5Cin the path even when it decodes to an existing file name containing a backslash. TherefileURLToPathdecodes%5Cwithout complaint, so this pins the guard that moved; it is skipped on Windows, wherefileURLToPathitself refuses encoded separators in the path.Follow the contribution scope.
Scope decision: not applicable (ordinary fix within the existing Electron target authorization).
Contract and boundary impact
resolveAuthorizedElectronFileinsrc/browser/ElectronFileScope.ts, behindauthorizedElectronFile, which the Electron provider uses for targets, frames, scripts, resources and workers, and the V8 Inspector runtime scope uses for file locations.file_pathis still the canonical path.docs/public/product-catalog.json), package, or installation impact: none.Expected effects (check known effects; use documentation-only on its own).
Unchecked items do not establish absence; leave uncertainties visible.
Evidence and regression coverage
CdpElectronProvider URL suffixesintests/boundary/browser/cdpElectronProvider.test.ts(four cases) andrefuses an encoded backslash that names an existing POSIX fileintests/boundary/filesystem/electronFileScope.test.ts.resolveAuthorizedElectronFilereturnsundefinedat the whole-string test for each suffix, solistTargetscounts the page underexcluded.unsupported_urland the new provider test'stargetsexpectation fails. The issue reports the same exclusion and thetarget_not_allowedrefusal through the built CLI against a simulated CDP discovery endpoint. The POSIX path test passes on both revisions and guards the moved check.excluded.unsupported_url: 0instead of three targets andunsupported_url: 4; not replayed here.For evidence-bearing changes:
Validation performed
oxlint --fixandoxfmton the staged files without changes to the committed content.Compatibility, safety, and release
fileURLToPathignores the query and fragment, so they never reachstator ASAR resolution.Author readiness
Human owner: @viniciusdsandrade
Before merge
type(scope): outcome.🔄 This issue represents a GitHub Pull Request. It cannot be merged through Gitea due to API limitations.