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StaticFileServer dumps file listing when directory is accessed and application is running in (at least) Tomcat #11047

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fluorumlabs opened this issue May 21, 2021 · 12 comments · Fixed by Hack23/cia#3115
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StaticFileServer dumps file listing when directory is accessed and application is running in (at least) Tomcat #11047

fluorumlabs opened this issue May 21, 2021 · 12 comments · Fixed by Hack23/cia#3115
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@caalador
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bug Impact: High Severity: Major spring

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@fluorumlabs
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Steps to reproduce:

Development mode:

  1. Create SVC project
  2. Run it
  3. Open http://localhost:8080/frontend/.; in browser
  4. Observe list of files

Production mode:

  1. Open https://start.vaadin.com/frontend/.; in browser
  2. Observe list of files
@miguelatvaadin
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Hi @fluorumlabs ,

coudl you please provide versions?

Thanks

@fluorumlabs
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fluorumlabs commented May 24, 2021 •
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At least both LTS and v19 are affected. Since StaticFileServer hasn't changed much, I assume that all versions starting with V10 are affected

@miguelatvaadin
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ok. Thanks, @fluorumlabs

@caalador
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I couldn't replicate this running skeleton-starter-flow, but it does happen with the spring-boot based starter skeleton-starter-flow-spring

@fluorumlabs
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As far as I remember, skeleton-starter-flow use jetty

@caalador
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caalador commented May 25, 2021 •
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Deploying the skeleton-starter-flow war to tomcat 9.0.39 I only get the result Could not navigate to 'frontend/.;'
Also a quick debug run on skeleton-starter-flow-spring notes that the request to frontend/.; never comes to StaticFileServer::isStaticResourceRequest but is served from somewhere else.

@fluorumlabs
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Same behavior can be observed with /VAADIN/static/.;

Not sure how labs.vaadin.com is configured, but probing two apps there works just "fine":
https://labs.vaadin.com/edit-multiple/.;, https://labs.vaadin.com/theme-example/.;

@caalador
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That is the same it can only be done on a spring-boot project as far as I can find.
You can even start from start.vaadin.com/.; and continue from there with adding folders that you see.

@fluorumlabs
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Seems it is Spring boot specific. However, my observations/debugging shown that the actual file list is served by StaticFileServer. In fact, this is the default behavior of FileInputStream when File points to a directory

@caalador
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Would seem so. Getting a Spring project to break on break points seems like a game of luck at times.
In the spring-skeleton request.getPathInfo() returns /. for /.; and we only check for endsWith("/") to determine a directory

@fluorumlabs
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getPathInfo() simply strips path parameters in Tomcat (the ones starting with ;), I add ; simply to prevent web browser from normalizing URL. The same effect can be achieved with curl https://labs.vaadin.com/edit-multiple/. --path-as-is

@fluorumlabs
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Regarding checking if path points to a directory or not -- all these URLs point to the same directory:

  • https://labs.vaadin.com/edit-multiple/frontend/.
  • https://labs.vaadin.com/edit-multiple/frontend/form/..
  • https://labs.vaadin.com/edit-multiple/frontend

The point is: just testing for . or .. is not enough (even though it will prevent from listing the root)

caalador added a commit that referenced this issue May 25, 2021
@caalador
fix: don't serve directories as static files
7098c86 
Add check to the resource to see
if it is a directory and do not serve
if this is the case.

Fixe #11047
@caalador caalador mentioned this issue May 25, 2021
Merged
@caalador caalador self-assigned this May 25, 2021
caalador added a commit that referenced this issue May 28, 2021
@caalador
fix: don't serve directories as static files (#11072)
7bf140b 
Add check to the resource to see
if it is a directory and do not serve
if this is the case.

Fixe #11047
vaadin-bot pushed a commit that referenced this issue May 28, 2021
@caalador @vaadin-bot
fix: don't serve directories as static files (#11072)
f1f21e9 
Add check to the resource to see
if it is a directory and do not serve
if this is the case.

Fixe #11047
vaadin-bot pushed a commit that referenced this issue May 28, 2021
@caalador @vaadin-bot
fix: don't serve directories as static files (#11072)
6c89198 
Add check to the resource to see
if it is a directory and do not serve
if this is the case.

Fixe #11047
caalador added a commit that referenced this issue May 28, 2021
@caalador
fix: don't serve directories as static files (#11072)
bf6cad2 
Add check to the resource to see
if it is a directory and do not serve
if this is the case.

Fixe #11047
# Conflicts:
#	flow-server/src/main/java/com/vaadin/flow/server/StaticFileServer.java
@caalador caalador mentioned this issue May 28, 2021
Merged
caalador added a commit that referenced this issue May 28, 2021
@caalador
fix: don't serve directories as static files (#11072)
6940b0f 
Add check to the resource to see
if it is a directory and do not serve
if this is the case.

Fixe #11047
# Conflicts:
#	flow-server/src/main/java/com/vaadin/flow/server/StaticFileServer.java
@denis-anisimov denis-anisimov mentioned this issue May 28, 2021
Closed
vaadin-bot added a commit that referenced this issue May 28, 2021
@vaadin-bot @caalador
fix: don't serve directories as static files (#11072) (#11104)
48174a9 
Add check to the resource to see
if it is a directory and do not serve
if this is the case.

Fixe #11047

Co-authored-by: caalador <[email protected]>
vaadin-bot added a commit that referenced this issue May 28, 2021
@vaadin-bot @caalador
fix: don't serve directories as static files (#11072) (#11103)
1a06a41 
Add check to the resource to see
if it is a directory and do not serve
if this is the case.

Fixe #11047

Co-authored-by: caalador <[email protected]>
denis-anisimov pushed a commit that referenced this issue Jun 1, 2021
@caalador
fix: don't serve directories as static files (#11072)
902a602 
Add check to the resource to see
if it is a directory and do not serve
if this is the case.

Fixe #11047
# Conflicts:
#	flow-server/src/main/java/com/vaadin/flow/server/StaticFileServer.java
vaadin-bot pushed a commit that referenced this issue Jun 1, 2021
@caalador @vaadin-bot
fix: don't serve directories as static files (#11072)
56c154b 
Add check to the resource to see
if it is a directory and do not serve
if this is the case.

Fixe #11047
# Conflicts:
#	flow-server/src/main/java/com/vaadin/flow/server/StaticFileServer.java
vaadin-bot added a commit that referenced this issue Jun 1, 2021
@vaadin-bot @caalador
fix: don't serve directories as static files (#11072) (#11122)
1e29057 
Add check to the resource to see
if it is a directory and do not serve
if this is the case.

Fixe #11047
# Conflicts:
#	flow-server/src/main/java/com/vaadin/flow/server/StaticFileServer.java

Co-authored-by: caalador <[email protected]>
@renovate renovate bot mentioned this issue Jul 7, 2021
Merged
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@caalador caalador

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bug Impact: High Severity: Major spring
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Update cia.project.versions.vaadin to v8.13.2 Hack23/cia
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@caalador @fluorumlabs @miguelatvaadin