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https://issues.apache.org/jira/browse/COUCHDB-2748?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15105475#comment-15105475
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Robert Kowalski commented on COUCHDB-2748:
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Just a response with malformed_request_syntax on a missing / not reachable
document would not help, as users can still put documents into CouchDB with
reserved characters which lead to invalid urls and are not reachable any more
by the clients, except they know the exact initial name which was provided when
the doc/db was created.
Right now I can think of two solutions to fix the issue for clients:
1. CouchDB should not allow document names that lead to invalid syntax in urls.
2. CouchDB should strip invalid/reserved characters from documents and db names
which lead to invalid syntax in urls.
> encoding problems with reserved chars
> -------------------------------------
>
> Key: COUCHDB-2748
> URL: https://issues.apache.org/jira/browse/COUCHDB-2748
> Project: CouchDB
> Issue Type: Bug
> Components: Database Core
> Reporter: Robert Kowalski
>
> Let's create a database!
> {noformat}
> curl -X PUT http://localhost:5984/testrainyday
> {noformat}
> I get: {{{"ok":true}}}
> Let's create a document called BANANA%253A21%25
> {noformat}
> curl -X PUT http://localhost:5984/testrainyday/BANANA%253A21%25 -d '{}'
> {noformat}
> CouchDB returns:
> {noformat}
> {"_id":"BANANA%3A21%","_rev":"1-967a00dff5e02add41819138abb3284d"}
> {noformat}
> (note the changed id - it misses the 25)
> lets use the id from the response to retrieve the doc:
> {noformat}
> curl http://localhost:5984/testrainyday/BANANA%3A21%
> {noformat}
> i get:
> {noformat}
> {"error":"not_found","reason":"missing"}
> {noformat}
> :(
> New try:
> curl http://localhost:5984/testrainyday/_all_docs
> returns:
> {noformat}
> {"total_rows":1,"offset":0,"rows":[
> {"id":"BANANA%3A21%","key":"BANANA%3A21%","value":{"rev":"1-967a00dff5e02add41819138abb3284d"}}
> ]}
> {noformat}
> I get BANANA%3A21% as id again, but when I want to curl it or use in my JS
> application, I get `{"error":"not_found","reason":"missing"}`
> I noticed that it works for these two ids:
> curl -X PUT http://localhost:5984/testrainyday/BANANA%25 -d '{}'
> {noformat}
> {"ok":true,"id":"BANANA%","rev":"1-967a00dff5e02add41819138abb3284d"}
> {noformat}
> In this last case it works magically for both ids:
> {noformat}
> (17:54:11) [robert@tequila-work] ~ $ curl -X PUT
> http://localhost:5984/testrainyday/BANANA%25 -d '{}'
> {"ok":true,"id":"BANANA%","rev":"1-967a00dff5e02add41819138abb3284d"}
> (17:55:45) [robert@tequila-work] ~ $ curl
> http://localhost:5984/testrainyday/BANANA%25
> {"_id":"BANANA%","_rev":"1-967a00dff5e02add41819138abb3284d"}
> (17:55:57) [robert@tequila-work] ~ $ curl
> http://localhost:5984/testrainyday/BANANA%
> {"_id":"BANANA%","_rev":"1-967a00dff5e02add41819138abb3284d"}
> {noformat}
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